diff --git a/.github/workflows/monero-tests.yaml b/.github/workflows/monero-tests.yaml deleted file mode 100644 index a72a85a5..00000000 --- a/.github/workflows/monero-tests.yaml +++ /dev/null @@ -1,72 +0,0 @@ -name: Monero Tests - -on: - push: - branches: - - develop - paths: - - "networks/monero/**" - - "processor/**" - - pull_request: - paths: - - "networks/monero/**" - - "processor/**" - - workflow_dispatch: - -jobs: - # Only run these once since they will be consistent regardless of any node - unit-tests: - runs-on: ubuntu-latest - steps: - - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac - - - name: Test Dependencies - uses: ./.github/actions/test-dependencies - - - name: Run Unit Tests Without Features - run: | - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-io --lib - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-generators --lib - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-primitives --lib - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-mlsag --lib - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-clsag --lib - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-borromean --lib - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-bulletproofs --lib - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-serai --lib - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-rpc --lib - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-simple-request-rpc --lib - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-address --lib - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-wallet --lib - - # Doesn't run unit tests with features as the tests workflow will - - integration-tests: - runs-on: ubuntu-latest - # Test against all supported protocol versions - strategy: - matrix: - version: [v0.17.3.2, v0.18.3.4] - - steps: - - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac - - - name: Test Dependencies - uses: ./.github/actions/test-dependencies - with: - monero-version: ${{ matrix.version }} - - - name: Run Integration Tests Without Features - run: | - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-serai --test '*' - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-simple-request-rpc --test '*' - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-wallet --test '*' - - - name: Run Integration Tests - # Don't run if the the tests workflow also will - if: ${{ matrix.version != 'v0.18.3.4' }} - run: | - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-serai --all-features --test '*' - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-simple-request-rpc --test '*' - GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-wallet --all-features --test '*' diff --git a/.github/workflows/networks-tests.yml b/.github/workflows/networks-tests.yml index 5966a6a8..224770d1 100644 --- a/.github/workflows/networks-tests.yml +++ b/.github/workflows/networks-tests.yml @@ -33,16 +33,3 @@ jobs: -p alloy-simple-request-transport \ -p ethereum-serai \ -p serai-ethereum-relayer \ - -p monero-io \ - -p monero-generators \ - -p monero-primitives \ - -p monero-mlsag \ - -p monero-clsag \ - -p monero-borromean \ - -p monero-bulletproofs \ - -p monero-serai \ - -p monero-rpc \ - -p monero-simple-request-rpc \ - -p monero-address \ - -p monero-wallet \ - -p monero-serai-verify-chain diff --git a/Cargo.lock b/Cargo.lock index 73cd8128..799988d5 100644 --- a/Cargo.lock +++ b/Cargo.lock @@ -4845,15 +4845,11 @@ dependencies = [ [[package]] name = "monero-address" version = "0.1.0" +source = "git+https://github.com/monero-oxide/monero-oxide?rev=f19b0f57fe7cbbd643b51091c63de29afb0976e4#f19b0f57fe7cbbd643b51091c63de29afb0976e4" dependencies = [ "curve25519-dalek", - "hex", - "hex-literal", "monero-io", "monero-primitives", - "rand_core", - "serde", - "serde_json", "std-shims", "thiserror 1.0.64", "zeroize", @@ -4862,6 +4858,7 @@ dependencies = [ [[package]] name = "monero-borromean" version = "0.1.0" +source = "git+https://github.com/monero-oxide/monero-oxide?rev=f19b0f57fe7cbbd643b51091c63de29afb0976e4#f19b0f57fe7cbbd643b51091c63de29afb0976e4" dependencies = [ "curve25519-dalek", "monero-generators", @@ -4874,9 +4871,9 @@ dependencies = [ [[package]] name = "monero-bulletproofs" version = "0.1.0" +source = "git+https://github.com/monero-oxide/monero-oxide?rev=f19b0f57fe7cbbd643b51091c63de29afb0976e4#f19b0f57fe7cbbd643b51091c63de29afb0976e4" dependencies = [ "curve25519-dalek", - "hex-literal", "monero-generators", "monero-io", "monero-primitives", @@ -4889,6 +4886,7 @@ dependencies = [ [[package]] name = "monero-clsag" version = "0.1.0" +source = "git+https://github.com/monero-oxide/monero-oxide?rev=f19b0f57fe7cbbd643b51091c63de29afb0976e4#f19b0f57fe7cbbd643b51091c63de29afb0976e4" dependencies = [ "curve25519-dalek", "dalek-ff-group", @@ -4909,11 +4907,11 @@ dependencies = [ [[package]] name = "monero-generators" version = "0.4.0" +source = "git+https://github.com/monero-oxide/monero-oxide?rev=f19b0f57fe7cbbd643b51091c63de29afb0976e4#f19b0f57fe7cbbd643b51091c63de29afb0976e4" dependencies = [ "curve25519-dalek", "dalek-ff-group", "group", - "hex", "monero-io", "sha3", "std-shims", @@ -4923,6 +4921,7 @@ dependencies = [ [[package]] name = "monero-io" version = "0.1.0" +source = "git+https://github.com/monero-oxide/monero-oxide?rev=f19b0f57fe7cbbd643b51091c63de29afb0976e4#f19b0f57fe7cbbd643b51091c63de29afb0976e4" dependencies = [ "curve25519-dalek", "std-shims", @@ -4931,6 +4930,7 @@ dependencies = [ [[package]] name = "monero-mlsag" version = "0.1.0" +source = "git+https://github.com/monero-oxide/monero-oxide?rev=f19b0f57fe7cbbd643b51091c63de29afb0976e4#f19b0f57fe7cbbd643b51091c63de29afb0976e4" dependencies = [ "curve25519-dalek", "monero-generators", @@ -4942,11 +4942,29 @@ dependencies = [ ] [[package]] -name = "monero-primitives" -version = "0.1.0" +name = "monero-oxide" +version = "0.1.4-alpha" +source = "git+https://github.com/monero-oxide/monero-oxide?rev=f19b0f57fe7cbbd643b51091c63de29afb0976e4#f19b0f57fe7cbbd643b51091c63de29afb0976e4" +dependencies = [ + "curve25519-dalek", + "hex-literal", + "monero-borromean", + "monero-bulletproofs", + "monero-clsag", + "monero-generators", + "monero-io", + "monero-mlsag", + "monero-primitives", + "std-shims", + "zeroize", +] + +[[package]] +name = "monero-primitives" +version = "0.1.0" +source = "git+https://github.com/monero-oxide/monero-oxide?rev=f19b0f57fe7cbbd643b51091c63de29afb0976e4#f19b0f57fe7cbbd643b51091c63de29afb0976e4" dependencies = [ "curve25519-dalek", - "hex", "monero-generators", "monero-io", "sha3", @@ -4957,11 +4975,12 @@ dependencies = [ [[package]] name = "monero-rpc" version = "0.1.0" +source = "git+https://github.com/monero-oxide/monero-oxide?rev=f19b0f57fe7cbbd643b51091c63de29afb0976e4#f19b0f57fe7cbbd643b51091c63de29afb0976e4" dependencies = [ "curve25519-dalek", "hex", "monero-address", - "monero-serai", + "monero-oxide", "serde", "serde_json", "std-shims", @@ -4969,48 +4988,13 @@ dependencies = [ "zeroize", ] -[[package]] -name = "monero-serai" -version = "0.1.4-alpha" -dependencies = [ - "curve25519-dalek", - "hex", - "hex-literal", - "monero-borromean", - "monero-bulletproofs", - "monero-clsag", - "monero-generators", - "monero-io", - "monero-mlsag", - "monero-primitives", - "serde", - "serde_json", - "std-shims", - "zeroize", -] - -[[package]] -name = "monero-serai-verify-chain" -version = "0.1.0" -dependencies = [ - "curve25519-dalek", - "hex", - "monero-rpc", - "monero-serai", - "monero-simple-request-rpc", - "rand_core", - "serde", - "serde_json", - "tokio", -] - [[package]] name = "monero-simple-request-rpc" version = "0.1.0" +source = "git+https://github.com/monero-oxide/monero-oxide?rev=f19b0f57fe7cbbd643b51091c63de29afb0976e4#f19b0f57fe7cbbd643b51091c63de29afb0976e4" dependencies = [ "digest_auth", "hex", - "monero-address", "monero-rpc", "simple-request", "tokio", @@ -5020,6 +5004,7 @@ dependencies = [ [[package]] name = "monero-wallet" version = "0.1.0" +source = "git+https://github.com/monero-oxide/monero-oxide?rev=f19b0f57fe7cbbd643b51091c63de29afb0976e4#f19b0f57fe7cbbd643b51091c63de29afb0976e4" dependencies = [ "curve25519-dalek", "dalek-ff-group", @@ -5029,18 +5014,14 @@ dependencies = [ "modular-frost", "monero-address", "monero-clsag", + "monero-oxide", "monero-rpc", - "monero-serai", - "monero-simple-request-rpc", "rand", "rand_chacha", "rand_core", "rand_distr", - "serde", - "serde_json", "std-shims", "thiserror 1.0.64", - "tokio", "zeroize", ] @@ -8346,7 +8327,6 @@ dependencies = [ "dleq", "flexible-transcript", "minimal-ed448", - "monero-wallet", "multiexp", "schnorr-signatures", ] diff --git a/Cargo.toml b/Cargo.toml index 06ea12c6..e0911b41 100644 --- a/Cargo.toml +++ b/Cargo.toml @@ -43,20 +43,6 @@ members = [ "networks/ethereum", "networks/ethereum/relayer", - "networks/monero/io", - "networks/monero/generators", - "networks/monero/primitives", - "networks/monero/ringct/mlsag", - "networks/monero/ringct/clsag", - "networks/monero/ringct/borromean", - "networks/monero/ringct/bulletproofs", - "networks/monero", - "networks/monero/rpc", - "networks/monero/rpc/simple-request", - "networks/monero/wallet/address", - "networks/monero/wallet", - "networks/monero/verify-chain", - "message-queue", "processor/messages", @@ -126,13 +112,20 @@ minimal-ed448 = { opt-level = 3 } multiexp = { opt-level = 3 } -monero-serai = { opt-level = 3 } +monero-oxide = { opt-level = 3 } [profile.release] panic = "unwind" overflow-checks = true [patch.crates-io] +# Dependencies from monero-oxide which originate from within our own tree +std-shims = { path = "common/std-shims" } +simple-request = { path = "common/request" } +dalek-ff-group = { path = "crypto/dalek-ff-group" } +flexible-transcript = { path = "crypto/transcript" } +modular-frost = { path = "crypto/frost" } + # https://github.com/rust-lang-nursery/lazy-static.rs/issues/201 lazy_static = { git = "https://github.com/rust-lang-nursery/lazy-static.rs", rev = "5735630d46572f1e5377c8f2ba0f79d18f53b10c" } diff --git a/deny.toml b/deny.toml index c5fe2808..881761c8 100644 --- a/deny.toml +++ b/deny.toml @@ -103,6 +103,7 @@ unknown-git = "deny" allow-registry = ["https://github.com/rust-lang/crates.io-index"] allow-git = [ "https://github.com/rust-lang-nursery/lazy-static.rs", + "https://github.com/monero-oxide/monero-oxide", "https://github.com/serai-dex/substrate-bip39", "https://github.com/serai-dex/substrate", ] diff --git a/networks/ethereum/README.md b/networks/ethereum/README.md index 0090b26b..75cd7881 100644 --- a/networks/ethereum/README.md +++ b/networks/ethereum/README.md @@ -1,13 +1,12 @@ # Ethereum -This package contains Ethereum-related functionality, specifically deploying and -interacting with Serai contracts. +This package contains Ethereum-related functionality, specifically deploying +and interacting with Serai contracts. -While `monero-serai` and `bitcoin-serai` are general purpose libraries, -`ethereum-serai` is Serai specific. If any of the utilities are generally -desired, please fork and maintain your own copy to ensure the desired -functionality is preserved, or open an issue to request we make this library -general purpose. +While `bitcoin-serai` is a general purpose library, `ethereum-serai` is Serai +specific. If any of the utilities are generally desired, please fork and +maintain your own copy to ensure the desired functionality is preserved, or +open an issue to request we make this library general purpose. ### Dependencies diff --git a/networks/monero/Cargo.toml b/networks/monero/Cargo.toml deleted file mode 100644 index 3d43df6e..00000000 --- a/networks/monero/Cargo.toml +++ /dev/null @@ -1,56 +0,0 @@ -[package] -name = "monero-serai" -version = "0.1.4-alpha" -description = "A modern Monero transaction library" -license = "MIT" -repository = "https://github.com/serai-dex/serai/tree/develop/networks/monero" -authors = ["Luke Parker "] -edition = "2021" -rust-version = "1.80" - -[package.metadata.docs.rs] -all-features = true -rustdoc-args = ["--cfg", "docsrs"] - -[lints] -workspace = true - -[dependencies] -std-shims = { path = "../../common/std-shims", version = "^0.1.1", default-features = false } - -zeroize = { version = "^1.5", default-features = false, features = ["zeroize_derive"] } - -curve25519-dalek = { version = "4", default-features = false, features = ["alloc", "zeroize"] } - -monero-io = { path = "io", version = "0.1", default-features = false } -monero-generators = { path = "generators", version = "0.4", default-features = false } -monero-primitives = { path = "primitives", version = "0.1", default-features = false } -monero-mlsag = { path = "ringct/mlsag", version = "0.1", default-features = false } -monero-clsag = { path = "ringct/clsag", version = "0.1", default-features = false } -monero-borromean = { path = "ringct/borromean", version = "0.1", default-features = false } -monero-bulletproofs = { path = "ringct/bulletproofs", version = "0.1", default-features = false } - -hex-literal = "0.4" - -[dev-dependencies] -hex = { version = "0.4", default-features = false, features = ["std"] } -serde = { version = "1", default-features = false, features = ["std", "derive"] } -serde_json = { version = "1", default-features = false, features = ["std"] } - -[features] -std = [ - "std-shims/std", - - "zeroize/std", - - "monero-io/std", - "monero-generators/std", - "monero-primitives/std", - "monero-mlsag/std", - "monero-clsag/std", - "monero-borromean/std", - "monero-bulletproofs/std", -] - -compile-time-generators = ["curve25519-dalek/precomputed-tables", "monero-bulletproofs/compile-time-generators"] -default = ["std", "compile-time-generators"] diff --git a/networks/monero/LICENSE b/networks/monero/LICENSE deleted file mode 100644 index 91d893c1..00000000 --- a/networks/monero/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2022-2024 Luke Parker - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/networks/monero/README.md b/networks/monero/README.md deleted file mode 100644 index 24fc1480..00000000 --- a/networks/monero/README.md +++ /dev/null @@ -1,31 +0,0 @@ -# monero-serai - -A modern Monero transaction library. It provides a modern, Rust-friendly view of -the Monero protocol. - -This library is usable under no-std when the `std` feature (on by default) is -disabled. - -Recommended usage of the library is with `overflow-checks = true`, even for -release builds. - -### Wallet Functionality - -monero-serai originally included wallet functionality. That has been moved to -monero-wallet. - -### Purpose and Support - -monero-serai was written for Serai, a decentralized exchange aiming to support -Monero. Despite this, monero-serai is intended to be a widely usable library, -accurate to Monero. monero-serai guarantees the functionality needed for Serai, -yet does not include any functionality specific to Serai. - -### Cargo Features - -- `std` (on by default): Enables `std` (and with it, more efficient internal - implementations). -- `compile-time-generators` (on by default): Derives the generators at - compile-time so they don't need to be derived at runtime. This is recommended - if program size doesn't need to be kept minimal. -- `multisig`: Enables the `multisig` feature for all dependencies. diff --git a/networks/monero/generators/Cargo.toml b/networks/monero/generators/Cargo.toml deleted file mode 100644 index af8cbcd9..00000000 --- a/networks/monero/generators/Cargo.toml +++ /dev/null @@ -1,46 +0,0 @@ -[package] -name = "monero-generators" -version = "0.4.0" -description = "Monero's hash to point function and generators" -license = "MIT" -repository = "https://github.com/serai-dex/serai/tree/develop/networks/monero/generators" -authors = ["Luke Parker "] -edition = "2021" - -[package.metadata.docs.rs] -all-features = true -rustdoc-args = ["--cfg", "docsrs"] - -[lints] -workspace = true - -[dependencies] -std-shims = { path = "../../../common/std-shims", version = "^0.1.1", default-features = false } - -subtle = { version = "^2.4", default-features = false } - -sha3 = { version = "0.10", default-features = false } -curve25519-dalek = { version = "4", default-features = false, features = ["alloc", "zeroize"] } - -group = { version = "0.13", default-features = false } -dalek-ff-group = { path = "../../../crypto/dalek-ff-group", version = "0.4", default-features = false } - -monero-io = { path = "../io", version = "0.1", default-features = false } - -[dev-dependencies] -hex = "0.4" - -[features] -std = [ - "std-shims/std", - - "subtle/std", - - "sha3/std", - - "group/alloc", - "dalek-ff-group/std", - - "monero-io/std" -] -default = ["std"] diff --git a/networks/monero/generators/LICENSE b/networks/monero/generators/LICENSE deleted file mode 100644 index 91d893c1..00000000 --- a/networks/monero/generators/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2022-2024 Luke Parker - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/networks/monero/generators/README.md b/networks/monero/generators/README.md deleted file mode 100644 index e9ac925b..00000000 --- a/networks/monero/generators/README.md +++ /dev/null @@ -1,13 +0,0 @@ -# Monero Generators - -Generators used by Monero in both its Pedersen commitments and Bulletproofs(+). -An implementation of Monero's `hash_to_ec` is included, as needed to generate -the generators. - -This library is usable under no-std when the `std` feature (on by default) is -disabled. - -### Cargo Features - -- `std` (on by default): Enables `std` (and with it, more efficient internal - implementations). diff --git a/networks/monero/generators/src/hash_to_point.rs b/networks/monero/generators/src/hash_to_point.rs deleted file mode 100644 index 136fea84..00000000 --- a/networks/monero/generators/src/hash_to_point.rs +++ /dev/null @@ -1,71 +0,0 @@ -use subtle::ConditionallySelectable; - -use curve25519_dalek::edwards::EdwardsPoint; - -use group::ff::{Field, PrimeField}; -use dalek_ff_group::FieldElement; - -use monero_io::decompress_point; - -use crate::keccak256; - -/// Monero's `hash_to_ec` function. -pub fn hash_to_point(bytes: [u8; 32]) -> EdwardsPoint { - #[allow(non_snake_case)] - let A = FieldElement::from(486662u64); - - let v = FieldElement::from_square(keccak256(&bytes)).double(); - let w = v + FieldElement::ONE; - let x = w.square() + (-A.square() * v); - - // This isn't the complete X, yet its initial value - // We don't calculate the full X, and instead solely calculate Y, letting dalek reconstruct X - // While inefficient, it solves API boundaries and reduces the amount of work done here - #[allow(non_snake_case)] - let X = { - let u = w; - let v = x; - let v3 = v * v * v; - let uv3 = u * v3; - let v7 = v3 * v3 * v; - let uv7 = u * v7; - uv3 * - uv7.pow( - (-FieldElement::from(5u8)) * - FieldElement::from(8u8).invert().expect("eight was coprime with the prime 2^{255}-19"), - ) - }; - let x = X.square() * x; - - let y = w - x; - let non_zero_0 = !y.is_zero(); - let y_if_non_zero_0 = w + x; - let sign = non_zero_0 & (!y_if_non_zero_0.is_zero()); - - let mut z = -A; - z *= FieldElement::conditional_select(&v, &FieldElement::from(1u8), sign); - #[allow(non_snake_case)] - let Z = z + w; - #[allow(non_snake_case)] - let mut Y = z - w; - - /* - If sign, `z = -486662`, else, `z = -486662 * v` - `w = v + 1` - - We need `z + w \ne 0`, which would require `z \cong -w \mod 2^{255}-19`. This requires: - - If `sign`, `v \mod 2^{255}-19 \ne 486661`. - - If `!sign`, `(v + 1) \mod 2^{255}-19 \ne (v * 486662) \mod 2^{255}-19` which is equivalent to - `(v * 486661) \mod 2^{255}-19 \ne 1`. - - In summary, if `sign`, `v` must not `486661`, and if `!sign`, `v` must not be the - multiplicative inverse of `486661`. Since `v` is the output of a hash function, this should - have negligible probability. Additionally, since the definition of `sign` is dependent on `v`, - it may be truly impossible to reach. - */ - Y *= Z.invert().expect("if sign, v was 486661. if !sign, v was 486661^{-1}"); - let mut bytes = Y.to_repr(); - bytes[31] |= sign.unwrap_u8() << 7; - - decompress_point(bytes).expect("point from hash-to-curve wasn't on-curve").mul_by_cofactor() -} diff --git a/networks/monero/generators/src/lib.rs b/networks/monero/generators/src/lib.rs deleted file mode 100644 index 6256eecf..00000000 --- a/networks/monero/generators/src/lib.rs +++ /dev/null @@ -1,89 +0,0 @@ -#![cfg_attr(docsrs, feature(doc_auto_cfg))] -#![doc = include_str!("../README.md")] -#![deny(missing_docs)] -#![cfg_attr(not(feature = "std"), no_std)] - -use std_shims::{sync::LazyLock, vec::Vec}; - -use sha3::{Digest, Keccak256}; - -use curve25519_dalek::{constants::ED25519_BASEPOINT_POINT, edwards::EdwardsPoint}; - -use monero_io::{write_varint, decompress_point}; - -mod hash_to_point; -pub use hash_to_point::hash_to_point; - -#[cfg(test)] -mod tests; - -fn keccak256(data: &[u8]) -> [u8; 32] { - Keccak256::digest(data).into() -} - -/// Monero's `H` generator. -/// -/// Contrary to convention (`G` for values, `H` for randomness), `H` is used by Monero for amounts -/// within Pedersen commitments. -#[allow(non_snake_case)] -pub static H: LazyLock = LazyLock::new(|| { - decompress_point(keccak256(&ED25519_BASEPOINT_POINT.compress().to_bytes())) - .expect("known on-curve point wasn't on-curve") - .mul_by_cofactor() -}); - -static H_POW_2_CELL: LazyLock<[EdwardsPoint; 64]> = LazyLock::new(|| { - let mut res = [*H; 64]; - for i in 1 .. 64 { - res[i] = res[i - 1] + res[i - 1]; - } - res -}); -/// Monero's `H` generator, multiplied by 2**i for i in 1 ..= 64. -/// -/// This table is useful when working with amounts, which are u64s. -#[allow(non_snake_case)] -pub fn H_pow_2() -> &'static [EdwardsPoint; 64] { - &H_POW_2_CELL -} - -/// The maximum amount of commitments provable for within a single range proof. -pub const MAX_COMMITMENTS: usize = 16; -/// The amount of bits a value within a commitment may use. -pub const COMMITMENT_BITS: usize = 64; - -/// Container struct for Bulletproofs(+) generators. -#[allow(non_snake_case)] -pub struct Generators { - /// The G (bold) vector of generators. - pub G: Vec, - /// The H (bold) vector of generators. - pub H: Vec, -} - -/// Generate generators as needed for Bulletproofs(+), as Monero does. -/// -/// Consumers should not call this function ad-hoc, yet call it within a build script or use a -/// once-initialized static. -pub fn bulletproofs_generators(dst: &'static [u8]) -> Generators { - // The maximum amount of bits used within a single range proof. - const MAX_MN: usize = MAX_COMMITMENTS * COMMITMENT_BITS; - - let mut preimage = H.compress().to_bytes().to_vec(); - preimage.extend(dst); - - let mut res = Generators { G: Vec::with_capacity(MAX_MN), H: Vec::with_capacity(MAX_MN) }; - for i in 0 .. MAX_MN { - // We generate a pair of generators per iteration - let i = 2 * i; - - let mut even = preimage.clone(); - write_varint(&i, &mut even).expect("write failed but doesn't fail"); - res.H.push(hash_to_point(keccak256(&even))); - - let mut odd = preimage.clone(); - write_varint(&(i + 1), &mut odd).expect("write failed but doesn't fail"); - res.G.push(hash_to_point(keccak256(&odd))); - } - res -} diff --git a/networks/monero/generators/src/tests/mod.rs b/networks/monero/generators/src/tests/mod.rs deleted file mode 100644 index 3ab9449f..00000000 --- a/networks/monero/generators/src/tests/mod.rs +++ /dev/null @@ -1,36 +0,0 @@ -use crate::{decompress_point, hash_to_point}; - -#[test] -fn test_vectors() { - // tests.txt file copied from monero repo - // https://github.com/monero-project/monero/ - // blob/ac02af92867590ca80b2779a7bbeafa99ff94dcb/tests/crypto/tests.txt - let reader = include_str!("./tests.txt"); - - for line in reader.lines() { - let mut words = line.split_whitespace(); - let command = words.next().unwrap(); - - match command { - "check_key" => { - let key = words.next().unwrap(); - let expected = match words.next().unwrap() { - "true" => true, - "false" => false, - _ => unreachable!("invalid result"), - }; - - let actual = decompress_point(hex::decode(key).unwrap().try_into().unwrap()); - assert_eq!(actual.is_some(), expected); - } - "hash_to_ec" => { - let bytes = words.next().unwrap(); - let expected = words.next().unwrap(); - - let actual = hash_to_point(hex::decode(bytes).unwrap().try_into().unwrap()); - assert_eq!(hex::encode(actual.compress().to_bytes()), expected); - } - _ => unreachable!("unknown command"), - } - } -} diff --git a/networks/monero/generators/src/tests/tests.txt b/networks/monero/generators/src/tests/tests.txt deleted file mode 100644 index 6cc27a74..00000000 --- a/networks/monero/generators/src/tests/tests.txt +++ /dev/null @@ -1,628 +0,0 @@ -check_key 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f45ce88065c34a163f8e77b6fb583502ed0eb1f490f63f76065a9d97e214e3a9 41bd6784270af4154f2f24f118617e2d7f5b7771a409f08b0f2b7bbcb5e3d666 -hash_to_ec 7b40ac30ed02b12ff592a5479c80cf5a7673abfdd4dd38810e40e63275bc2eed 6c6bf5961d83851c9728801093d9af04e5a693bc6cbad237b9ac4b0ed580a771 -hash_to_ec 9f985005794d3052a63361413a9820d2ce903198d6d5195b3f20a68f146c6d5c 88bcac53ba5b1c5b44730a24b4cc2cd782298fc70dc9d777b577a2b33b256449 -hash_to_ec 31b8e37d01fd5669de4ebf78889d749bc44ffe997186ace56f1fb3e60b8742d2 776366b44170efb130a5045597db5675c6c0b56f3def84863c6b6358aa8dcf40 diff --git a/networks/monero/io/Cargo.toml b/networks/monero/io/Cargo.toml deleted file mode 100644 index 887df8b2..00000000 --- a/networks/monero/io/Cargo.toml +++ /dev/null @@ -1,25 +0,0 @@ -[package] -name = "monero-io" -version = "0.1.0" -description = "Serialization functions, as within the Monero protocol" -license = "MIT" -repository = "https://github.com/serai-dex/serai/tree/develop/networks/monero/io" -authors = ["Luke Parker "] -edition = "2021" -rust-version = "1.80" - -[package.metadata.docs.rs] -all-features = true -rustdoc-args = ["--cfg", "docsrs"] - -[lints] -workspace = true - -[dependencies] -std-shims = { path = "../../../common/std-shims", version = "^0.1.1", default-features = false } - -curve25519-dalek = { version = "4", default-features = false, features = ["alloc"] } - -[features] -std = ["std-shims/std"] -default = ["std"] diff --git a/networks/monero/io/LICENSE b/networks/monero/io/LICENSE deleted file mode 100644 index 91d893c1..00000000 --- a/networks/monero/io/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2022-2024 Luke Parker - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/networks/monero/io/README.md b/networks/monero/io/README.md deleted file mode 100644 index 536b72dd..00000000 --- a/networks/monero/io/README.md +++ /dev/null @@ -1,11 +0,0 @@ -# Monero IO - -Serialization functions, as within the Monero protocol. - -This library is usable under no-std when the `std` feature (on by default) is -disabled. - -### Cargo Features - -- `std` (on by default): Enables `std` (and with it, more efficient internal - implementations). diff --git a/networks/monero/io/src/lib.rs b/networks/monero/io/src/lib.rs deleted file mode 100644 index 345a8ed6..00000000 --- a/networks/monero/io/src/lib.rs +++ /dev/null @@ -1,248 +0,0 @@ -#![cfg_attr(docsrs, feature(doc_auto_cfg))] -#![doc = include_str!("../README.md")] -#![deny(missing_docs)] -#![cfg_attr(not(feature = "std"), no_std)] - -use core::fmt::Debug; -use std_shims::{ - vec, - vec::Vec, - io::{self, Read, Write}, -}; - -use curve25519_dalek::{ - scalar::Scalar, - edwards::{EdwardsPoint, CompressedEdwardsY}, -}; - -const VARINT_CONTINUATION_MASK: u8 = 0b1000_0000; - -mod sealed { - use core::fmt::Debug; - - /// A trait for a number readable/writable as a VarInt. - /// - /// This is sealed to prevent unintended implementations. - pub trait VarInt: TryInto + TryFrom + Copy { - const BITS: usize; - } - - impl VarInt for u8 { - const BITS: usize = 8; - } - impl VarInt for u32 { - const BITS: usize = 32; - } - impl VarInt for u64 { - const BITS: usize = 64; - } - // Don't compile for platforms where `usize` exceeds `u64`, preventing various possible runtime - // exceptions - const _NO_128_BIT_PLATFORMS: [(); (u64::BITS - usize::BITS) as usize] = - [(); (u64::BITS - usize::BITS) as usize]; - impl VarInt for usize { - const BITS: usize = core::mem::size_of::() * 8; - } -} - -/// The amount of bytes this number will take when serialized as a VarInt. -/// -/// This function will panic if the VarInt exceeds u64::MAX. -pub fn varint_len(varint: V) -> usize { - let varint_u64: u64 = varint.try_into().expect("varint exceeded u64"); - ((usize::try_from(u64::BITS - varint_u64.leading_zeros()) - .expect("64 > usize::MAX") - .saturating_sub(1)) / - 7) + - 1 -} - -/// Write a byte. -/// -/// This is used as a building block within generic functions. -pub fn write_byte(byte: &u8, w: &mut W) -> io::Result<()> { - w.write_all(&[*byte]) -} - -/// Write a number, VarInt-encoded. -/// -/// This will panic if the VarInt exceeds u64::MAX. -pub fn write_varint(varint: &U, w: &mut W) -> io::Result<()> { - let mut varint: u64 = (*varint).try_into().expect("varint exceeded u64"); - while { - let mut b = u8::try_from(varint & u64::from(!VARINT_CONTINUATION_MASK)) - .expect("& eight_bit_mask left more than 8 bits set"); - varint >>= 7; - if varint != 0 { - b |= VARINT_CONTINUATION_MASK; - } - write_byte(&b, w)?; - varint != 0 - } {} - Ok(()) -} - -/// Write a scalar. -pub fn write_scalar(scalar: &Scalar, w: &mut W) -> io::Result<()> { - w.write_all(&scalar.to_bytes()) -} - -/// Write a point. -pub fn write_point(point: &EdwardsPoint, w: &mut W) -> io::Result<()> { - w.write_all(&point.compress().to_bytes()) -} - -/// Write a list of elements, without length-prefixing. -pub fn write_raw_vec io::Result<()>>( - f: F, - values: &[T], - w: &mut W, -) -> io::Result<()> { - for value in values { - f(value, w)?; - } - Ok(()) -} - -/// Write a list of elements, with length-prefixing. -pub fn write_vec io::Result<()>>( - f: F, - values: &[T], - w: &mut W, -) -> io::Result<()> { - write_varint(&values.len(), w)?; - write_raw_vec(f, values, w) -} - -/// Read a constant amount of bytes. -pub fn read_bytes(r: &mut R) -> io::Result<[u8; N]> { - let mut res = [0; N]; - r.read_exact(&mut res)?; - Ok(res) -} - -/// Read a single byte. -pub fn read_byte(r: &mut R) -> io::Result { - Ok(read_bytes::<_, 1>(r)?[0]) -} - -/// Read a u16, little-endian encoded. -pub fn read_u16(r: &mut R) -> io::Result { - read_bytes(r).map(u16::from_le_bytes) -} - -/// Read a u32, little-endian encoded. -pub fn read_u32(r: &mut R) -> io::Result { - read_bytes(r).map(u32::from_le_bytes) -} - -/// Read a u64, little-endian encoded. -pub fn read_u64(r: &mut R) -> io::Result { - read_bytes(r).map(u64::from_le_bytes) -} - -/// Read a canonically-encoded VarInt. -pub fn read_varint(r: &mut R) -> io::Result { - let mut bits = 0; - let mut res = 0; - while { - let b = read_byte(r)?; - if (bits != 0) && (b == 0) { - Err(io::Error::other("non-canonical varint"))?; - } - if ((bits + 7) >= U::BITS) && (b >= (1 << (U::BITS - bits))) { - Err(io::Error::other("varint overflow"))?; - } - - res += u64::from(b & (!VARINT_CONTINUATION_MASK)) << bits; - bits += 7; - b & VARINT_CONTINUATION_MASK == VARINT_CONTINUATION_MASK - } {} - res.try_into().map_err(|_| io::Error::other("VarInt does not fit into integer type")) -} - -/// Read a canonically-encoded scalar. -/// -/// Some scalars within the Monero protocol are not enforced to be canonically encoded. For such -/// scalars, they should be represented as `[u8; 32]` and later converted to scalars as relevant. -pub fn read_scalar(r: &mut R) -> io::Result { - Option::from(Scalar::from_canonical_bytes(read_bytes(r)?)) - .ok_or_else(|| io::Error::other("unreduced scalar")) -} - -/// Decompress a canonically-encoded Ed25519 point. -/// -/// Ed25519 is of order `8 * l`. This function ensures each of those `8 * l` points have a singular -/// encoding by checking points aren't encoded with an unreduced field element, and aren't negative -/// when the negative is equivalent (0 == -0). -/// -/// Since this decodes an Ed25519 point, it does not check the point is in the prime-order -/// subgroup. Torsioned points do have a canonical encoding, and only aren't canonical when -/// considered in relation to the prime-order subgroup. -pub fn decompress_point(bytes: [u8; 32]) -> Option { - CompressedEdwardsY(bytes) - .decompress() - // Ban points which are either unreduced or -0 - .filter(|point| point.compress().to_bytes() == bytes) -} - -/// Read a canonically-encoded Ed25519 point. -/// -/// This internally calls `decompress_point` and has the same definition of canonicity. This -/// function does not check the resulting point is within the prime-order subgroup. -pub fn read_point(r: &mut R) -> io::Result { - let bytes = read_bytes(r)?; - decompress_point(bytes).ok_or_else(|| io::Error::other("invalid point")) -} - -/// Read a canonically-encoded Ed25519 point, within the prime-order subgroup. -pub fn read_torsion_free_point(r: &mut R) -> io::Result { - read_point(r) - .ok() - .filter(EdwardsPoint::is_torsion_free) - .ok_or_else(|| io::Error::other("invalid point")) -} - -/// Read a variable-length list of elements, without length-prefixing. -pub fn read_raw_vec io::Result>( - f: F, - len: usize, - r: &mut R, -) -> io::Result> { - let mut res = vec![]; - for _ in 0 .. len { - res.push(f(r)?); - } - Ok(res) -} - -/// Read a constant-length list of elements. -pub fn read_array io::Result, const N: usize>( - f: F, - r: &mut R, -) -> io::Result<[T; N]> { - read_raw_vec(f, N, r).map(|vec| { - vec.try_into().expect( - "read vector of specific length yet couldn't transform to an array of the same length", - ) - }) -} - -/// Read a length-prefixed variable-length list of elements. -/// -/// An optional bound on the length of the result may be provided. If `None`, the returned `Vec` -/// will be of the length read off the reader, if successfully read. If `Some(_)`, an error will be -/// raised if the length read off the read is greater than the bound. -pub fn read_vec io::Result>( - f: F, - length_bound: Option, - r: &mut R, -) -> io::Result> { - let declared_length: usize = read_varint(r)?; - if let Some(length_bound) = length_bound { - if declared_length > length_bound { - Err(io::Error::other("vector exceeds bound on length"))?; - } - } - read_raw_vec(f, declared_length, r) -} diff --git a/networks/monero/primitives/Cargo.toml b/networks/monero/primitives/Cargo.toml deleted file mode 100644 index 1aef394e..00000000 --- a/networks/monero/primitives/Cargo.toml +++ /dev/null @@ -1,44 +0,0 @@ -[package] -name = "monero-primitives" -version = "0.1.0" -description = "Primitives for the Monero protocol" -license = "MIT" -repository = "https://github.com/serai-dex/serai/tree/develop/networks/monero/primitives" -authors = ["Luke Parker "] -edition = "2021" -rust-version = "1.80" - -[package.metadata.docs.rs] -all-features = true -rustdoc-args = ["--cfg", "docsrs"] - -[lints] -workspace = true - -[dependencies] -std-shims = { path = "../../../common/std-shims", version = "^0.1.1", default-features = false } - -zeroize = { version = "^1.5", default-features = false, features = ["zeroize_derive"] } - -# Cryptographic dependencies -sha3 = { version = "0.10", default-features = false } -curve25519-dalek = { version = "4", default-features = false, features = ["alloc", "zeroize"] } - -# Other Monero dependencies -monero-io = { path = "../io", version = "0.1", default-features = false } -monero-generators = { path = "../generators", version = "0.4", default-features = false } - -[dev-dependencies] -hex = { version = "0.4", default-features = false, features = ["alloc"] } - -[features] -std = [ - "std-shims/std", - - "zeroize/std", - - "sha3/std", - - "monero-generators/std", -] -default = ["std"] diff --git a/networks/monero/primitives/LICENSE b/networks/monero/primitives/LICENSE deleted file mode 100644 index 91d893c1..00000000 --- a/networks/monero/primitives/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2022-2024 Luke Parker - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/networks/monero/primitives/README.md b/networks/monero/primitives/README.md deleted file mode 100644 index c866193b..00000000 --- a/networks/monero/primitives/README.md +++ /dev/null @@ -1,11 +0,0 @@ -# Monero Primitives - -Primitive structures and functions for the Monero protocol. - -This library is usable under no-std when the `std` feature (on by default) is -disabled. - -### Cargo Features - -- `std` (on by default): Enables `std` (and with it, more efficient internal - implementations). diff --git a/networks/monero/primitives/src/lib.rs b/networks/monero/primitives/src/lib.rs deleted file mode 100644 index 47112d1d..00000000 --- a/networks/monero/primitives/src/lib.rs +++ /dev/null @@ -1,262 +0,0 @@ -#![cfg_attr(docsrs, feature(doc_auto_cfg))] -#![doc = include_str!("../README.md")] -#![deny(missing_docs)] -#![cfg_attr(not(feature = "std"), no_std)] - -use std_shims::{io, vec::Vec}; -#[cfg(feature = "std")] -use std_shims::sync::LazyLock; - -use zeroize::{Zeroize, ZeroizeOnDrop}; - -use sha3::{Digest, Keccak256}; -use curve25519_dalek::{ - constants::ED25519_BASEPOINT_POINT, - traits::VartimePrecomputedMultiscalarMul, - scalar::Scalar, - edwards::{EdwardsPoint, VartimeEdwardsPrecomputation}, -}; - -use monero_io::*; -use monero_generators::H; - -mod unreduced_scalar; -pub use unreduced_scalar::UnreducedScalar; - -#[cfg(test)] -mod tests; - -// On std, we cache some variables in statics. -#[cfg(feature = "std")] -static INV_EIGHT_CELL: LazyLock = LazyLock::new(|| Scalar::from(8u8).invert()); -/// The inverse of 8 over l, the prime factor of the order of Ed25519. -#[cfg(feature = "std")] -#[allow(non_snake_case)] -pub fn INV_EIGHT() -> Scalar { - *INV_EIGHT_CELL -} -// In no-std environments, we prefer the reduced memory use and calculate it ad-hoc. -/// The inverse of 8 over l, the prime factor of the order of Ed25519. -#[cfg(not(feature = "std"))] -#[allow(non_snake_case)] -pub fn INV_EIGHT() -> Scalar { - Scalar::from(8u8).invert() -} - -#[cfg(feature = "std")] -static G_PRECOMP_CELL: LazyLock = - LazyLock::new(|| VartimeEdwardsPrecomputation::new([ED25519_BASEPOINT_POINT])); -/// A cached (if std) pre-computation of the Ed25519 generator, G. -#[cfg(feature = "std")] -#[allow(non_snake_case)] -pub fn G_PRECOMP() -> &'static VartimeEdwardsPrecomputation { - &G_PRECOMP_CELL -} -/// A cached (if std) pre-computation of the Ed25519 generator, G. -#[cfg(not(feature = "std"))] -#[allow(non_snake_case)] -pub fn G_PRECOMP() -> VartimeEdwardsPrecomputation { - VartimeEdwardsPrecomputation::new([ED25519_BASEPOINT_POINT]) -} - -/// The Keccak-256 hash function. -pub fn keccak256(data: impl AsRef<[u8]>) -> [u8; 32] { - Keccak256::digest(data.as_ref()).into() -} - -/// Hash the provided data to a scalar via keccak256(data) % l. -/// -/// This function panics if it finds the Keccak-256 preimage for [0; 32]. -pub fn keccak256_to_scalar(data: impl AsRef<[u8]>) -> Scalar { - let scalar = Scalar::from_bytes_mod_order(keccak256(data.as_ref())); - // Monero will explicitly error in this case - // This library acknowledges its practical impossibility of it occurring, and doesn't bother to - // code in logic to handle it. That said, if it ever occurs, something must happen in order to - // not generate/verify a proof we believe to be valid when it isn't - assert!( - scalar != Scalar::ZERO, - "keccak256(preimage) \\cong 0 \\mod l! Preimage: {:?}", - data.as_ref() - ); - scalar -} - -/// Transparent structure representing a Pedersen commitment's contents. -#[allow(non_snake_case)] -#[derive(Clone, PartialEq, Eq, Zeroize, ZeroizeOnDrop)] -pub struct Commitment { - /// The mask for this commitment. - pub mask: Scalar, - /// The amount committed to by this commitment. - pub amount: u64, -} - -impl core::fmt::Debug for Commitment { - fn fmt(&self, fmt: &mut core::fmt::Formatter<'_>) -> Result<(), core::fmt::Error> { - fmt.debug_struct("Commitment").field("amount", &self.amount).finish_non_exhaustive() - } -} - -impl Commitment { - /// A commitment to zero, defined with a mask of 1 (as to not be the identity). - pub fn zero() -> Commitment { - Commitment { mask: Scalar::ONE, amount: 0 } - } - - /// Create a new Commitment. - pub fn new(mask: Scalar, amount: u64) -> Commitment { - Commitment { mask, amount } - } - - /// Calculate the Pedersen commitment, as a point, from this transparent structure. - pub fn calculate(&self) -> EdwardsPoint { - EdwardsPoint::vartime_double_scalar_mul_basepoint(&Scalar::from(self.amount), &H, &self.mask) - } - - /// Write the Commitment. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn write(&self, w: &mut W) -> io::Result<()> { - w.write_all(&self.mask.to_bytes())?; - w.write_all(&self.amount.to_le_bytes()) - } - - /// Serialize the Commitment to a `Vec`. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn serialize(&self) -> Vec { - let mut res = Vec::with_capacity(32 + 8); - self.write(&mut res).expect("write failed but doesn't fail"); - res - } - - /// Read a Commitment. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn read(r: &mut R) -> io::Result { - Ok(Commitment::new(read_scalar(r)?, read_u64(r)?)) - } -} - -/// Decoy data, as used for producing Monero's ring signatures. -#[derive(Clone, PartialEq, Eq, Zeroize, ZeroizeOnDrop)] -pub struct Decoys { - offsets: Vec, - signer_index: u8, - ring: Vec<[EdwardsPoint; 2]>, -} - -impl core::fmt::Debug for Decoys { - fn fmt(&self, fmt: &mut core::fmt::Formatter<'_>) -> Result<(), core::fmt::Error> { - fmt - .debug_struct("Decoys") - .field("offsets", &self.offsets) - .field("ring", &self.ring) - .finish_non_exhaustive() - } -} - -#[allow(clippy::len_without_is_empty)] -impl Decoys { - /// Create a new instance of decoy data. - /// - /// `offsets` are the positions of each ring member within the Monero blockchain, offset from the - /// prior member's position (with the initial ring member offset from 0). - pub fn new(offsets: Vec, signer_index: u8, ring: Vec<[EdwardsPoint; 2]>) -> Option { - if (offsets.len() > usize::from(u8::MAX)) || - (offsets.len() != ring.len()) || - (usize::from(signer_index) >= ring.len()) - { - None?; - } - // Check these offsets form representable positions - if offsets.iter().copied().try_fold(0, u64::checked_add).is_none() { - None?; - } - Some(Decoys { offsets, signer_index, ring }) - } - - /// The length of the ring. - pub fn len(&self) -> usize { - self.offsets.len() - } - - /// The positions of the ring members within the Monero blockchain, as their offsets. - /// - /// The list is formatted as the position of the first ring member, then the offset from each - /// ring member to its prior. - pub fn offsets(&self) -> &[u64] { - &self.offsets - } - - /// The positions of the ring members within the Monero blockchain. - pub fn positions(&self) -> Vec { - let mut res = Vec::with_capacity(self.len()); - res.push(self.offsets[0]); - for m in 1 .. self.len() { - res.push(res[m - 1] + self.offsets[m]); - } - res - } - - /// The index of the signer within the ring. - pub fn signer_index(&self) -> u8 { - self.signer_index - } - - /// The ring. - pub fn ring(&self) -> &[[EdwardsPoint; 2]] { - &self.ring - } - - /// The [key, commitment] pair of the signer. - pub fn signer_ring_members(&self) -> [EdwardsPoint; 2] { - self.ring[usize::from(self.signer_index)] - } - - /// Write the Decoys. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn write(&self, w: &mut impl io::Write) -> io::Result<()> { - write_vec(write_varint, &self.offsets, w)?; - w.write_all(&[self.signer_index])?; - write_raw_vec( - |pair, w| { - write_point(&pair[0], w)?; - write_point(&pair[1], w) - }, - &self.ring, - w, - ) - } - - /// Serialize the Decoys to a `Vec`. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn serialize(&self) -> Vec { - let mut res = - Vec::with_capacity((1 + (2 * self.offsets.len())) + 1 + 1 + (self.ring.len() * 64)); - self.write(&mut res).expect("write failed but doesn't fail"); - res - } - - /// Read a set of Decoys. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn read(r: &mut impl io::Read) -> io::Result { - let offsets = read_vec(read_varint, None, r)?; - let len = offsets.len(); - Decoys::new( - offsets, - read_byte(r)?, - read_raw_vec(|r| Ok([read_point(r)?, read_point(r)?]), len, r)?, - ) - .ok_or_else(|| io::Error::other("invalid Decoys")) - } -} diff --git a/networks/monero/primitives/src/tests.rs b/networks/monero/primitives/src/tests.rs deleted file mode 100644 index 68d3df75..00000000 --- a/networks/monero/primitives/src/tests.rs +++ /dev/null @@ -1,32 +0,0 @@ -use curve25519_dalek::scalar::Scalar; - -use crate::UnreducedScalar; - -#[test] -fn recover_scalars() { - let test_recover = |stored: &str, recovered: &str| { - let stored = UnreducedScalar(hex::decode(stored).unwrap().try_into().unwrap()); - let recovered = - Scalar::from_canonical_bytes(hex::decode(recovered).unwrap().try_into().unwrap()).unwrap(); - assert_eq!(stored.ref10_slide_scalar_vartime(), recovered); - }; - - // https://www.moneroinflation.com/static/data_py/report_scalars_df.pdf - // Table 4. - test_recover( - "cb2be144948166d0a9edb831ea586da0c376efa217871505ad77f6ff80f203f8", - "b8ffd6a1aee47828808ab0d4c8524cb5c376efa217871505ad77f6ff80f20308", - ); - test_recover( - "343d3df8a1051c15a400649c423dc4ed58bef49c50caef6ca4a618b80dee22f4", - "21113355bc682e6d7a9d5b3f2137a30259bef49c50caef6ca4a618b80dee2204", - ); - test_recover( - "c14f75d612800ca2c1dcfa387a42c9cc086c005bc94b18d204dd61342418eba7", - "4f473804b1d27ab2c789c80ab21d034a096c005bc94b18d204dd61342418eb07", - ); - test_recover( - "000102030405060708090a0b0c0d0e0f826c4f6e2329a31bc5bc320af0b2bcbb", - "a124cfd387f461bf3719e03965ee6877826c4f6e2329a31bc5bc320af0b2bc0b", - ); -} diff --git a/networks/monero/primitives/src/unreduced_scalar.rs b/networks/monero/primitives/src/unreduced_scalar.rs deleted file mode 100644 index ae0234f2..00000000 --- a/networks/monero/primitives/src/unreduced_scalar.rs +++ /dev/null @@ -1,145 +0,0 @@ -use core::cmp::Ordering; -use std_shims::{ - sync::LazyLock, - io::{self, *}, -}; - -use zeroize::Zeroize; - -use curve25519_dalek::scalar::Scalar; - -use monero_io::*; - -// Precomputed scalars used to recover an incorrectly reduced scalar. -static PRECOMPUTED_SCALARS: LazyLock<[Scalar; 8]> = LazyLock::new(|| { - let mut precomputed_scalars = [Scalar::ONE; 8]; - for (i, scalar) in precomputed_scalars.iter_mut().enumerate().skip(1) { - *scalar = - Scalar::from(u64::try_from((i * 2) + 1).expect("enumerating more than u64::MAX / 2 items")); - } - precomputed_scalars -}); - -/// An unreduced scalar. -/// -/// While most of modern Monero enforces scalars be reduced, certain legacy parts of the code did -/// not. These section can generally simply be read as a scalar/reduced into a scalar when the time -/// comes, yet a couple have non-standard reductions performed. -/// -/// This struct delays scalar conversions and offers the non-standard reduction. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub struct UnreducedScalar(pub [u8; 32]); - -impl UnreducedScalar { - /// Write an UnreducedScalar. - pub fn write(&self, w: &mut W) -> io::Result<()> { - w.write_all(&self.0) - } - - /// Read an UnreducedScalar. - pub fn read(r: &mut R) -> io::Result { - Ok(UnreducedScalar(read_bytes(r)?)) - } - - fn as_bits(&self) -> [u8; 256] { - let mut bits = [0; 256]; - for (i, bit) in bits.iter_mut().enumerate() { - *bit = core::hint::black_box(1 & (self.0[i / 8] >> (i % 8))) - } - - bits - } - - // Computes the non-adjacent form of this scalar with width 5. - // - // This matches Monero's `slide` function and intentionally gives incorrect outputs under - // certain conditions in order to match Monero. - // - // This function does not execute in constant time and must only be used with public data. - fn non_adjacent_form(&self) -> [i8; 256] { - let bits = self.as_bits(); - let mut naf = [0i8; 256]; - for (b, bit) in bits.into_iter().enumerate() { - naf[b] = i8::try_from(bit).expect("bit didn't fit within an i8"); - } - - for i in 0 .. 256 { - if naf[i] != 0 { - // if the bit is a one, work our way up through the window - // combining the bits with this bit. - for b in 1 .. 6 { - if (i + b) >= 256 { - // if we are at the length of the array then break out - // the loop. - break; - } - // potential_carry - the value of the bit at i+b compared to the bit at i - let potential_carry = naf[i + b] << b; - - if potential_carry != 0 { - if (naf[i] + potential_carry) <= 15 { - // if our current "bit" plus the potential carry is less than 16 - // add it to our current "bit" and set the potential carry bit to 0. - naf[i] += potential_carry; - naf[i + b] = 0; - } else if (naf[i] - potential_carry) >= -15 { - // else if our current "bit" minus the potential carry is more than -16 - // take it away from our current "bit". - // we then work our way up through the bits setting ones to zero, when - // we hit the first zero we change it to one then stop, this is to factor - // in the minus. - naf[i] -= potential_carry; - #[allow(clippy::needless_range_loop)] - for k in (i + b) .. 256 { - if naf[k] == 0 { - naf[k] = 1; - break; - } - naf[k] = 0; - } - } else { - break; - } - } - } - } - } - - naf - } - - /// Recover the scalar that an array of bytes was incorrectly interpreted as by ref10's `slide` - /// function (as used by the reference Monero implementation in C++). - /// - /// For Borromean range proofs, Monero did not check the scalars used were reduced. This led to - /// some scalars serialized being interpreted as distinct scalars. This function recovers these - /// distinct scalars, as required to verify Borromean range proofs within the Monero protocol. - /// - /// See for more info. - // - /// This function does not execute in constant time and must only be used with public data. - pub fn ref10_slide_scalar_vartime(&self) -> Scalar { - if self.0[31] & 128 == 0 { - // Computing the w-NAF of a number can only give an output with 1 more bit than - // the number, so even if the number isn't reduced, the `slide` function will be - // correct when the last bit isn't set. - return Scalar::from_bytes_mod_order(self.0); - } - - let mut recovered = Scalar::ZERO; - for &numb in self.non_adjacent_form().iter().rev() { - recovered += recovered; - match numb.cmp(&0) { - Ordering::Greater => { - recovered += PRECOMPUTED_SCALARS[usize::try_from(numb).expect("positive i8 -> usize") / 2] - } - Ordering::Less => { - recovered -= - PRECOMPUTED_SCALARS[usize::try_from(-numb).expect("negated negative i8 -> usize") / 2] - } - Ordering::Equal => (), - } - } - recovered - } -} diff --git a/networks/monero/ringct/borromean/Cargo.toml b/networks/monero/ringct/borromean/Cargo.toml deleted file mode 100644 index f5fdd34a..00000000 --- a/networks/monero/ringct/borromean/Cargo.toml +++ /dev/null @@ -1,41 +0,0 @@ -[package] -name = "monero-borromean" -version = "0.1.0" -description = "Borromean ring signatures arranged into a range proof, as done by the Monero protocol" -license = "MIT" -repository = "https://github.com/serai-dex/serai/tree/develop/networks/monero/ringct/borromean" -authors = ["Luke Parker "] -edition = "2021" -rust-version = "1.80" - -[package.metadata.docs.rs] -all-features = true -rustdoc-args = ["--cfg", "docsrs"] - -[lints] -workspace = true - -[dependencies] -std-shims = { path = "../../../../common/std-shims", version = "^0.1.1", default-features = false } - -zeroize = { version = "^1.5", default-features = false, features = ["zeroize_derive"] } - -# Cryptographic dependencies -curve25519-dalek = { version = "4", default-features = false, features = ["alloc", "zeroize"] } - -# Other Monero dependencies -monero-io = { path = "../../io", version = "0.1", default-features = false } -monero-generators = { path = "../../generators", version = "0.4", default-features = false } -monero-primitives = { path = "../../primitives", version = "0.1", default-features = false } - -[features] -std = [ - "std-shims/std", - - "zeroize/std", - - "monero-io/std", - "monero-generators/std", - "monero-primitives/std", -] -default = ["std"] diff --git a/networks/monero/ringct/borromean/LICENSE b/networks/monero/ringct/borromean/LICENSE deleted file mode 100644 index 91d893c1..00000000 --- a/networks/monero/ringct/borromean/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2022-2024 Luke Parker - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/networks/monero/ringct/borromean/README.md b/networks/monero/ringct/borromean/README.md deleted file mode 100644 index 3b836804..00000000 --- a/networks/monero/ringct/borromean/README.md +++ /dev/null @@ -1,12 +0,0 @@ -# Monero Borromean - -Borromean ring signatures arranged into a range proof, as done by the Monero -protocol. - -This library is usable under no-std when the `std` feature (on by default) is -disabled. - -### Cargo Features - -- `std` (on by default): Enables `std` (and with it, more efficient internal - implementations). diff --git a/networks/monero/ringct/borromean/src/lib.rs b/networks/monero/ringct/borromean/src/lib.rs deleted file mode 100644 index fc0f2194..00000000 --- a/networks/monero/ringct/borromean/src/lib.rs +++ /dev/null @@ -1,112 +0,0 @@ -#![cfg_attr(docsrs, feature(doc_auto_cfg))] -#![doc = include_str!("../README.md")] -#![deny(missing_docs)] -#![cfg_attr(not(feature = "std"), no_std)] -#![allow(non_snake_case)] - -use core::fmt::Debug; -use std_shims::io::{self, Read, Write}; - -use zeroize::Zeroize; - -use curve25519_dalek::{traits::Identity, Scalar, EdwardsPoint}; - -use monero_io::*; -use monero_generators::H_pow_2; -use monero_primitives::{keccak256_to_scalar, UnreducedScalar}; - -// 64 Borromean ring signatures, as needed for a 64-bit range proof. -// -// s0 and s1 are stored as `UnreducedScalar`s due to Monero not requiring they were reduced. -// `UnreducedScalar` preserves their original byte encoding and implements a custom reduction -// algorithm which was in use. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -struct BorromeanSignatures { - s0: [UnreducedScalar; 64], - s1: [UnreducedScalar; 64], - ee: Scalar, -} - -impl BorromeanSignatures { - // Read a set of BorromeanSignatures. - fn read(r: &mut R) -> io::Result { - Ok(BorromeanSignatures { - s0: read_array(UnreducedScalar::read, r)?, - s1: read_array(UnreducedScalar::read, r)?, - ee: read_scalar(r)?, - }) - } - - // Write the set of BorromeanSignatures. - fn write(&self, w: &mut W) -> io::Result<()> { - for s0 in &self.s0 { - s0.write(w)?; - } - for s1 in &self.s1 { - s1.write(w)?; - } - write_scalar(&self.ee, w) - } - - fn verify(&self, keys_a: &[EdwardsPoint], keys_b: &[EdwardsPoint]) -> bool { - let mut transcript = [0; 2048]; - - for i in 0 .. 64 { - #[allow(non_snake_case)] - let LL = EdwardsPoint::vartime_double_scalar_mul_basepoint( - &self.ee, - &keys_a[i], - &self.s0[i].ref10_slide_scalar_vartime(), - ); - #[allow(non_snake_case)] - let LV = EdwardsPoint::vartime_double_scalar_mul_basepoint( - &keccak256_to_scalar(LL.compress().as_bytes()), - &keys_b[i], - &self.s1[i].ref10_slide_scalar_vartime(), - ); - transcript[(i * 32) .. ((i + 1) * 32)].copy_from_slice(LV.compress().as_bytes()); - } - - keccak256_to_scalar(transcript) == self.ee - } -} - -/// A range proof premised on Borromean ring signatures. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub struct BorromeanRange { - sigs: BorromeanSignatures, - bit_commitments: [EdwardsPoint; 64], -} - -impl BorromeanRange { - /// Read a BorromeanRange proof. - pub fn read(r: &mut R) -> io::Result { - Ok(BorromeanRange { - sigs: BorromeanSignatures::read(r)?, - bit_commitments: read_array(read_point, r)?, - }) - } - - /// Write the BorromeanRange proof. - pub fn write(&self, w: &mut W) -> io::Result<()> { - self.sigs.write(w)?; - write_raw_vec(write_point, &self.bit_commitments, w) - } - - /// Verify the commitment contains a 64-bit value. - #[must_use] - pub fn verify(&self, commitment: &EdwardsPoint) -> bool { - if &self.bit_commitments.iter().sum::() != commitment { - return false; - } - - #[allow(non_snake_case)] - let H_pow_2 = H_pow_2(); - let mut commitments_sub_one = [EdwardsPoint::identity(); 64]; - for i in 0 .. 64 { - commitments_sub_one[i] = self.bit_commitments[i] - H_pow_2[i]; - } - - self.sigs.verify(&self.bit_commitments, &commitments_sub_one) - } -} diff --git a/networks/monero/ringct/bulletproofs/Cargo.toml b/networks/monero/ringct/bulletproofs/Cargo.toml deleted file mode 100644 index 9c807193..00000000 --- a/networks/monero/ringct/bulletproofs/Cargo.toml +++ /dev/null @@ -1,55 +0,0 @@ -[package] -name = "monero-bulletproofs" -version = "0.1.0" -description = "Bulletproofs(+) range proofs, as defined by the Monero protocol" -license = "MIT" -repository = "https://github.com/serai-dex/serai/tree/develop/networks/monero/ringct/bulletproofs" -authors = ["Luke Parker "] -edition = "2021" -rust-version = "1.80" - -[package.metadata.docs.rs] -all-features = true -rustdoc-args = ["--cfg", "docsrs"] - -[lints] -workspace = true - -[dependencies] -std-shims = { path = "../../../../common/std-shims", version = "^0.1.1", default-features = false } - -thiserror = { version = "1", default-features = false, optional = true } - -rand_core = { version = "0.6", default-features = false } -zeroize = { version = "^1.5", default-features = false, features = ["zeroize_derive"] } - -# Cryptographic dependencies -curve25519-dalek = { version = "4", default-features = false, features = ["alloc", "zeroize"] } - -# Other Monero dependencies -monero-io = { path = "../../io", version = "0.1", default-features = false } -monero-generators = { path = "../../generators", version = "0.4", default-features = false } -monero-primitives = { path = "../../primitives", version = "0.1", default-features = false } - -[build-dependencies] -curve25519-dalek = { version = "4", default-features = false, features = ["alloc", "zeroize"] } -monero-generators = { path = "../../generators", version = "0.4", default-features = false } - -[dev-dependencies] -hex-literal = "0.4" - -[features] -std = [ - "std-shims/std", - - "thiserror", - - "rand_core/std", - "zeroize/std", - - "monero-io/std", - "monero-generators/std", - "monero-primitives/std", -] -compile-time-generators = ["curve25519-dalek/precomputed-tables"] -default = ["std", "compile-time-generators"] diff --git a/networks/monero/ringct/bulletproofs/LICENSE b/networks/monero/ringct/bulletproofs/LICENSE deleted file mode 100644 index 91d893c1..00000000 --- a/networks/monero/ringct/bulletproofs/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2022-2024 Luke Parker - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/networks/monero/ringct/bulletproofs/README.md b/networks/monero/ringct/bulletproofs/README.md deleted file mode 100644 index 8f407fef..00000000 --- a/networks/monero/ringct/bulletproofs/README.md +++ /dev/null @@ -1,14 +0,0 @@ -# Monero Bulletproofs(+) - -Bulletproofs(+) range proofs, as defined by the Monero protocol. - -This library is usable under no-std when the `std` feature (on by default) is -disabled. - -### Cargo Features - -- `std` (on by default): Enables `std` (and with it, more efficient internal - implementations). -- `compile-time-generators` (on by default): Derives the generators at - compile-time so they don't need to be derived at runtime. This is recommended - if program size doesn't need to be kept minimal. diff --git a/networks/monero/ringct/bulletproofs/build.rs b/networks/monero/ringct/bulletproofs/build.rs deleted file mode 100644 index ff07f6da..00000000 --- a/networks/monero/ringct/bulletproofs/build.rs +++ /dev/null @@ -1,84 +0,0 @@ -use std::{ - io::Write, - env, - path::Path, - fs::{File, remove_file}, -}; - -#[cfg(feature = "compile-time-generators")] -fn generators(prefix: &'static str, path: &str) { - use curve25519_dalek::EdwardsPoint; - - use monero_generators::bulletproofs_generators; - - fn serialize(generators_string: &mut String, points: &[EdwardsPoint]) { - for generator in points { - generators_string.extend( - format!( - " - curve25519_dalek::edwards::CompressedEdwardsY({:?}) - .decompress() - .expect(\"generator from build script wasn't on-curve\"), - ", - generator.compress().to_bytes() - ) - .chars(), - ); - } - } - - let generators = bulletproofs_generators(prefix.as_bytes()); - #[allow(non_snake_case)] - let mut G_str = String::new(); - serialize(&mut G_str, &generators.G); - #[allow(non_snake_case)] - let mut H_str = String::new(); - serialize(&mut H_str, &generators.H); - - let path = Path::new(&env::var("OUT_DIR").expect("cargo didn't set $OUT_DIR")).join(path); - let _ = remove_file(&path); - File::create(&path) - .expect("failed to create file in $OUT_DIR") - .write_all( - format!( - " - pub(crate) static GENERATORS: LazyLock = LazyLock::new(|| Generators {{ - G: std_shims::vec![ - {G_str} - ], - H: std_shims::vec![ - {H_str} - ], - }}); - ", - ) - .as_bytes(), - ) - .expect("couldn't write generated source code to file on disk"); -} - -#[cfg(not(feature = "compile-time-generators"))] -fn generators(prefix: &'static str, path: &str) { - let path = Path::new(&env::var("OUT_DIR").expect("cargo didn't set $OUT_DIR")).join(path); - let _ = remove_file(&path); - File::create(&path) - .expect("failed to create file in $OUT_DIR") - .write_all( - format!( - r#" - pub(crate) static GENERATORS: LazyLock = LazyLock::new(|| {{ - monero_generators::bulletproofs_generators(b"{prefix}") - }}); - "#, - ) - .as_bytes(), - ) - .expect("couldn't write generated source code to file on disk"); -} - -fn main() { - println!("cargo:rerun-if-changed=build.rs"); - - generators("bulletproof", "generators.rs"); - generators("bulletproof_plus", "generators_plus.rs"); -} diff --git a/networks/monero/ringct/bulletproofs/src/batch_verifier.rs b/networks/monero/ringct/bulletproofs/src/batch_verifier.rs deleted file mode 100644 index 103e6bf7..00000000 --- a/networks/monero/ringct/bulletproofs/src/batch_verifier.rs +++ /dev/null @@ -1,106 +0,0 @@ -use std_shims::vec::Vec; - -use curve25519_dalek::{ - constants::ED25519_BASEPOINT_POINT, - traits::{IsIdentity, VartimeMultiscalarMul}, - scalar::Scalar, - edwards::EdwardsPoint, -}; - -use monero_generators::{H as MONERO_H, Generators}; - -use crate::{original, plus}; - -#[derive(Default)] -pub(crate) struct InternalBatchVerifier { - pub(crate) g: Scalar, - pub(crate) h: Scalar, - pub(crate) g_bold: Vec, - pub(crate) h_bold: Vec, - pub(crate) other: Vec<(Scalar, EdwardsPoint)>, -} - -impl InternalBatchVerifier { - #[must_use] - fn verify(self, G: EdwardsPoint, H: EdwardsPoint, generators: &Generators) -> bool { - /* - Technically, this following line can overflow, and joining these `Vec`s _may_ panic if - they're individually acceptable lengths yet their sum isn't. This is so negligible, due to - the amount of memory required, it's dismissed. - */ - let capacity = 2 + self.g_bold.len() + self.h_bold.len() + self.other.len(); - let mut scalars = Vec::with_capacity(capacity); - let mut points = Vec::with_capacity(capacity); - - scalars.push(self.g); - points.push(G); - - scalars.push(self.h); - points.push(H); - - for (i, g_bold) in self.g_bold.into_iter().enumerate() { - scalars.push(g_bold); - points.push(generators.G[i]); - } - - for (i, h_bold) in self.h_bold.into_iter().enumerate() { - scalars.push(h_bold); - points.push(generators.H[i]); - } - - for (scalar, point) in self.other { - scalars.push(scalar); - points.push(point); - } - - EdwardsPoint::vartime_multiscalar_mul(scalars, points).is_identity() - } -} - -#[derive(Default)] -pub(crate) struct BulletproofsBatchVerifier(pub(crate) InternalBatchVerifier); -impl BulletproofsBatchVerifier { - #[must_use] - pub(crate) fn verify(self) -> bool { - self.0.verify(ED25519_BASEPOINT_POINT, *MONERO_H, &original::GENERATORS) - } -} - -#[derive(Default)] -pub(crate) struct BulletproofsPlusBatchVerifier(pub(crate) InternalBatchVerifier); -impl BulletproofsPlusBatchVerifier { - #[must_use] - pub(crate) fn verify(self) -> bool { - // Bulletproofs+ is written as per the paper, with G for the value and H for the mask - // Monero uses H for the value and G for the mask - self.0.verify(*MONERO_H, ED25519_BASEPOINT_POINT, &plus::GENERATORS) - } -} - -/// A batch verifier for Bulletproofs(+). -/// -/// This uses a fixed layout such that all fixed points only incur a single point scaling, -/// regardless of the amounts of proofs verified. For all variable points (commitments), they're -/// accumulated with the fixed points into a single multiscalar multiplication. -#[derive(Default)] -pub struct BatchVerifier { - pub(crate) original: BulletproofsBatchVerifier, - pub(crate) plus: BulletproofsPlusBatchVerifier, -} -impl BatchVerifier { - /// Create a new batch verifier. - pub fn new() -> Self { - Self { - original: BulletproofsBatchVerifier(InternalBatchVerifier::default()), - plus: BulletproofsPlusBatchVerifier(InternalBatchVerifier::default()), - } - } - - /// Verify all of the proofs queued within this batch verifier. - /// - /// This uses a variable-time multiscalar multiplication internally. - #[must_use] - pub fn verify(self) -> bool { - self.original.verify() && self.plus.verify() - } -} diff --git a/networks/monero/ringct/bulletproofs/src/core.rs b/networks/monero/ringct/bulletproofs/src/core.rs deleted file mode 100644 index 9dc86fcd..00000000 --- a/networks/monero/ringct/bulletproofs/src/core.rs +++ /dev/null @@ -1,74 +0,0 @@ -use std_shims::{vec, vec::Vec}; - -use curve25519_dalek::{ - traits::{MultiscalarMul, VartimeMultiscalarMul}, - scalar::Scalar, - edwards::EdwardsPoint, -}; - -pub(crate) use monero_generators::{MAX_COMMITMENTS, COMMITMENT_BITS}; - -pub(crate) fn multiexp(pairs: &[(Scalar, EdwardsPoint)]) -> EdwardsPoint { - let mut buf_scalars = Vec::with_capacity(pairs.len()); - let mut buf_points = Vec::with_capacity(pairs.len()); - for (scalar, point) in pairs { - buf_scalars.push(scalar); - buf_points.push(point); - } - EdwardsPoint::multiscalar_mul(buf_scalars, buf_points) -} - -pub(crate) fn multiexp_vartime(pairs: &[(Scalar, EdwardsPoint)]) -> EdwardsPoint { - let mut buf_scalars = Vec::with_capacity(pairs.len()); - let mut buf_points = Vec::with_capacity(pairs.len()); - for (scalar, point) in pairs { - buf_scalars.push(scalar); - buf_points.push(point); - } - EdwardsPoint::vartime_multiscalar_mul(buf_scalars, buf_points) -} - -/* -This has room for optimization worth investigating further. It currently takes -an iterative approach. It can be optimized further via divide and conquer. - -Assume there are 4 challenges. - -Iterative approach (current): - 1. Do the optimal multiplications across challenge column 0 and 1. - 2. Do the optimal multiplications across that result and column 2. - 3. Do the optimal multiplications across that result and column 3. - -Divide and conquer (worth investigating further): - 1. Do the optimal multiplications across challenge column 0 and 1. - 2. Do the optimal multiplications across challenge column 2 and 3. - 3. Multiply both results together. - -When there are 4 challenges (n=16), the iterative approach does 28 multiplications -versus divide and conquer's 24. -*/ -pub(crate) fn challenge_products(challenges: &[(Scalar, Scalar)]) -> Vec { - let mut products = vec![Scalar::ONE; 1 << challenges.len()]; - - if !challenges.is_empty() { - products[0] = challenges[0].1; - products[1] = challenges[0].0; - - for (j, challenge) in challenges.iter().enumerate().skip(1) { - let mut slots = (1 << (j + 1)) - 1; - while slots > 0 { - products[slots] = products[slots / 2] * challenge.0; - products[slots - 1] = products[slots / 2] * challenge.1; - - slots = slots.saturating_sub(2); - } - } - - // Sanity check since if the above failed to populate, it'd be critical - for product in &products { - debug_assert!(*product != Scalar::ZERO); - } - } - - products -} diff --git a/networks/monero/ringct/bulletproofs/src/lib.rs b/networks/monero/ringct/bulletproofs/src/lib.rs deleted file mode 100644 index 13a7a14e..00000000 --- a/networks/monero/ringct/bulletproofs/src/lib.rs +++ /dev/null @@ -1,311 +0,0 @@ -#![cfg_attr(docsrs, feature(doc_auto_cfg))] -#![doc = include_str!("../README.md")] -#![deny(missing_docs)] -#![cfg_attr(not(feature = "std"), no_std)] -#![allow(non_snake_case)] - -use std_shims::{ - vec::Vec, - io::{self, Read, Write}, -}; - -use rand_core::{RngCore, CryptoRng}; -use zeroize::Zeroizing; - -use curve25519_dalek::edwards::EdwardsPoint; - -use monero_io::*; -pub use monero_generators::MAX_COMMITMENTS; -use monero_generators::COMMITMENT_BITS; -use monero_primitives::Commitment; - -pub(crate) mod scalar_vector; -pub(crate) mod point_vector; - -pub(crate) mod core; - -pub(crate) mod batch_verifier; -use batch_verifier::{BulletproofsBatchVerifier, BulletproofsPlusBatchVerifier}; -pub use batch_verifier::BatchVerifier; - -pub(crate) mod original; -use crate::original::{ - IpProof, AggregateRangeStatement as OriginalStatement, AggregateRangeWitness as OriginalWitness, - AggregateRangeProof as OriginalProof, -}; - -pub(crate) mod plus; -use crate::plus::{ - WipProof, AggregateRangeStatement as PlusStatement, AggregateRangeWitness as PlusWitness, - AggregateRangeProof as PlusProof, -}; - -#[cfg(test)] -mod tests; - -// The logarithm (over 2) of the amount of bits a value within a commitment may use. -const LOG_COMMITMENT_BITS: usize = COMMITMENT_BITS.ilog2() as usize; -// The maximum length of L/R `Vec`s. -const MAX_LR: usize = (MAX_COMMITMENTS.ilog2() as usize) + LOG_COMMITMENT_BITS; - -/// An error from proving/verifying Bulletproofs(+). -#[derive(Clone, Copy, PartialEq, Eq, Debug)] -#[cfg_attr(feature = "std", derive(thiserror::Error))] -pub enum BulletproofError { - /// Proving/verifying a Bulletproof(+) range proof with no commitments. - #[cfg_attr(feature = "std", error("no commitments to prove the range for"))] - NoCommitments, - /// Proving/verifying a Bulletproof(+) range proof with more commitments than supported. - #[cfg_attr(feature = "std", error("too many commitments to prove the range for"))] - TooManyCommitments, -} - -/// A Bulletproof(+). -/// -/// This encapsulates either a Bulletproof or a Bulletproof+. -#[allow(clippy::large_enum_variant)] -#[derive(Clone, PartialEq, Eq, Debug)] -pub enum Bulletproof { - /// A Bulletproof. - Original(OriginalProof), - /// A Bulletproof+. - Plus(PlusProof), -} - -impl Bulletproof { - fn bp_fields(plus: bool) -> usize { - if plus { - 6 - } else { - 9 - } - } - - /// Calculate the weight penalty for the Bulletproof(+). - /// - /// Bulletproofs(+) are logarithmically sized yet linearly timed. Evaluating by their size alone - /// accordingly doesn't properly represent the burden of the proof. Monero 'claws back' some of - /// the weight lost by using a proof smaller than it is fast to compensate for this. - /// - /// If the amount of outputs specified exceeds the maximum amount of outputs, the result for the - /// maximum amount of outputs will be returned. - // https://github.com/monero-project/monero/blob/94e67bf96bbc010241f29ada6abc89f49a81759c/ - // src/cryptonote_basic/cryptonote_format_utils.cpp#L106-L124 - pub fn calculate_clawback(plus: bool, n_outputs: usize) -> (usize, usize) { - #[allow(non_snake_case)] - let mut LR_len = 0; - let mut n_padded_outputs = 1; - while n_padded_outputs < n_outputs.min(MAX_COMMITMENTS) { - LR_len += 1; - n_padded_outputs = 1 << LR_len; - } - LR_len += LOG_COMMITMENT_BITS; - - let mut clawback = 0; - if n_padded_outputs > 2 { - let fields = Bulletproof::bp_fields(plus); - let base = ((fields + (2 * (LOG_COMMITMENT_BITS + 1))) * 32) / 2; - let size = (fields + (2 * LR_len)) * 32; - clawback = ((base * n_padded_outputs) - size) * 4 / 5; - } - - (clawback, LR_len) - } - - /// Prove the list of commitments are within [0 .. 2^64) with an aggregate Bulletproof. - pub fn prove( - rng: &mut R, - outputs: Vec, - ) -> Result { - if outputs.is_empty() { - Err(BulletproofError::NoCommitments)?; - } - if outputs.len() > MAX_COMMITMENTS { - Err(BulletproofError::TooManyCommitments)?; - } - let commitments = outputs.iter().map(Commitment::calculate).collect::>(); - Ok(Bulletproof::Original( - OriginalStatement::new(&commitments) - .expect("failed to create statement despite checking amount of commitments") - .prove( - rng, - OriginalWitness::new(outputs) - .expect("failed to create witness despite checking amount of commitments"), - ) - .expect( - "failed to prove Bulletproof::Original despite ensuring statement/witness consistency", - ), - )) - } - - /// Prove the list of commitments are within [0 .. 2^64) with an aggregate Bulletproof+. - pub fn prove_plus( - rng: &mut R, - outputs: Vec, - ) -> Result { - if outputs.is_empty() { - Err(BulletproofError::NoCommitments)?; - } - if outputs.len() > MAX_COMMITMENTS { - Err(BulletproofError::TooManyCommitments)?; - } - let commitments = outputs.iter().map(Commitment::calculate).collect::>(); - Ok(Bulletproof::Plus( - PlusStatement::new(&commitments) - .expect("failed to create statement despite checking amount of commitments") - .prove( - rng, - &Zeroizing::new( - PlusWitness::new(outputs) - .expect("failed to create witness despite checking amount of commitments"), - ), - ) - .expect("failed to prove Bulletproof::Plus despite ensuring statement/witness consistency"), - )) - } - - /// Verify the given Bulletproof(+). - #[must_use] - pub fn verify(&self, rng: &mut R, commitments: &[EdwardsPoint]) -> bool { - match self { - Bulletproof::Original(bp) => { - let mut verifier = BulletproofsBatchVerifier::default(); - let Some(statement) = OriginalStatement::new(commitments) else { - return false; - }; - if !statement.verify(rng, &mut verifier, bp.clone()) { - return false; - } - verifier.verify() - } - Bulletproof::Plus(bp) => { - let mut verifier = BulletproofsPlusBatchVerifier::default(); - let Some(statement) = PlusStatement::new(commitments) else { - return false; - }; - if !statement.verify(rng, &mut verifier, bp.clone()) { - return false; - } - verifier.verify() - } - } - } - - /// Accumulate the verification for the given Bulletproof(+) into the specified BatchVerifier. - /// - /// Returns false if the Bulletproof(+) isn't sane, leaving the BatchVerifier in an undefined - /// state. - /// - /// Returns true if the Bulletproof(+) is sane, regardless of its validity. - /// - /// The BatchVerifier must have its verification function executed to actually verify this proof. - #[must_use] - pub fn batch_verify( - &self, - rng: &mut R, - verifier: &mut BatchVerifier, - commitments: &[EdwardsPoint], - ) -> bool { - match self { - Bulletproof::Original(bp) => { - let Some(statement) = OriginalStatement::new(commitments) else { - return false; - }; - statement.verify(rng, &mut verifier.original, bp.clone()) - } - Bulletproof::Plus(bp) => { - let Some(statement) = PlusStatement::new(commitments) else { - return false; - }; - statement.verify(rng, &mut verifier.plus, bp.clone()) - } - } - } - - fn write_core io::Result<()>>( - &self, - w: &mut W, - specific_write_vec: F, - ) -> io::Result<()> { - match self { - Bulletproof::Original(bp) => { - write_point(&bp.A, w)?; - write_point(&bp.S, w)?; - write_point(&bp.T1, w)?; - write_point(&bp.T2, w)?; - write_scalar(&bp.tau_x, w)?; - write_scalar(&bp.mu, w)?; - specific_write_vec(&bp.ip.L, w)?; - specific_write_vec(&bp.ip.R, w)?; - write_scalar(&bp.ip.a, w)?; - write_scalar(&bp.ip.b, w)?; - write_scalar(&bp.t_hat, w) - } - - Bulletproof::Plus(bp) => { - write_point(&bp.A, w)?; - write_point(&bp.wip.A, w)?; - write_point(&bp.wip.B, w)?; - write_scalar(&bp.wip.r_answer, w)?; - write_scalar(&bp.wip.s_answer, w)?; - write_scalar(&bp.wip.delta_answer, w)?; - specific_write_vec(&bp.wip.L, w)?; - specific_write_vec(&bp.wip.R, w) - } - } - } - - /// Write a Bulletproof(+) for the message signed by a transaction's signature. - /// - /// This has a distinct encoding from the standard encoding. - pub fn signature_write(&self, w: &mut W) -> io::Result<()> { - self.write_core(w, |points, w| write_raw_vec(write_point, points, w)) - } - - /// Write a Bulletproof(+). - pub fn write(&self, w: &mut W) -> io::Result<()> { - self.write_core(w, |points, w| write_vec(write_point, points, w)) - } - - /// Serialize a Bulletproof(+) to a `Vec`. - pub fn serialize(&self) -> Vec { - let mut serialized = Vec::with_capacity(512); - self.write(&mut serialized).expect("write failed but doesn't fail"); - serialized - } - - /// Read a Bulletproof. - pub fn read(r: &mut R) -> io::Result { - Ok(Bulletproof::Original(OriginalProof { - A: read_point(r)?, - S: read_point(r)?, - T1: read_point(r)?, - T2: read_point(r)?, - tau_x: read_scalar(r)?, - mu: read_scalar(r)?, - ip: IpProof { - L: read_vec(read_point, Some(MAX_LR), r)?, - R: read_vec(read_point, Some(MAX_LR), r)?, - a: read_scalar(r)?, - b: read_scalar(r)?, - }, - t_hat: read_scalar(r)?, - })) - } - - /// Read a Bulletproof+. - pub fn read_plus(r: &mut R) -> io::Result { - Ok(Bulletproof::Plus(PlusProof { - A: read_point(r)?, - wip: WipProof { - A: read_point(r)?, - B: read_point(r)?, - r_answer: read_scalar(r)?, - s_answer: read_scalar(r)?, - delta_answer: read_scalar(r)?, - L: read_vec(read_point, Some(MAX_LR), r)?.into_iter().collect(), - R: read_vec(read_point, Some(MAX_LR), r)?.into_iter().collect(), - }, - })) - } -} diff --git a/networks/monero/ringct/bulletproofs/src/original/inner_product.rs b/networks/monero/ringct/bulletproofs/src/original/inner_product.rs deleted file mode 100644 index 283064eb..00000000 --- a/networks/monero/ringct/bulletproofs/src/original/inner_product.rs +++ /dev/null @@ -1,307 +0,0 @@ -use std_shims::{vec, vec::Vec}; - -use zeroize::Zeroize; - -use curve25519_dalek::{Scalar, EdwardsPoint}; - -use monero_generators::H; -use monero_primitives::{INV_EIGHT, keccak256_to_scalar}; -use crate::{ - core::{multiexp_vartime, challenge_products}, - scalar_vector::ScalarVector, - point_vector::PointVector, - BulletproofsBatchVerifier, -}; - -/// An error from proving/verifying Inner-Product statements. -#[derive(Clone, Copy, PartialEq, Eq, Debug)] -pub(crate) enum IpError { - IncorrectAmountOfGenerators, - DifferingLrLengths, -} - -/// The Bulletproofs Inner-Product statement. -/// -/// This is for usage with Protocol 2 from the Bulletproofs paper. -#[derive(Clone, Debug)] -pub(crate) struct IpStatement { - // Weights for h_bold - h_bold_weights: ScalarVector, - // u as the discrete logarithm of G - u: Scalar, -} - -/// The witness for the Bulletproofs Inner-Product statement. -#[derive(Clone, Debug)] -pub(crate) struct IpWitness { - // a - a: ScalarVector, - // b - b: ScalarVector, -} - -impl IpWitness { - /// Construct a new witness for an Inner-Product statement. - /// - /// This functions return None if the lengths of a, b are mismatched, not a power of two, or are - /// empty. - pub(crate) fn new(a: ScalarVector, b: ScalarVector) -> Option { - if a.0.is_empty() || (a.len() != b.len()) { - None?; - } - - let mut power_of_2 = 1; - while power_of_2 < a.len() { - power_of_2 <<= 1; - } - if power_of_2 != a.len() { - None?; - } - - Some(Self { a, b }) - } -} - -/// A proof for the Bulletproofs Inner-Product statement. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub(crate) struct IpProof { - pub(crate) L: Vec, - pub(crate) R: Vec, - pub(crate) a: Scalar, - pub(crate) b: Scalar, -} - -impl IpStatement { - /// Create a new Inner-Product statement which won't transcript P. - /// - /// This MUST only be called when P is deterministic to already transcripted elements. - pub(crate) fn new_without_P_transcript(h_bold_weights: ScalarVector, u: Scalar) -> Self { - Self { h_bold_weights, u } - } - - // Transcript a round of the protocol - fn transcript_L_R(transcript: Scalar, L: EdwardsPoint, R: EdwardsPoint) -> Scalar { - let mut transcript = transcript.to_bytes().to_vec(); - transcript.extend(L.compress().to_bytes()); - transcript.extend(R.compress().to_bytes()); - keccak256_to_scalar(transcript) - } - - /// Prove for this Inner-Product statement. - /// - /// Returns an error if this statement couldn't be proven for (such as if the witness isn't - /// consistent). - pub(crate) fn prove( - self, - mut transcript: Scalar, - witness: IpWitness, - ) -> Result { - let generators = &crate::original::GENERATORS; - let g_bold_slice = &generators.G[.. witness.a.len()]; - let h_bold_slice = &generators.H[.. witness.a.len()]; - - let (mut g_bold, mut h_bold, u, mut a, mut b) = { - let IpStatement { h_bold_weights, u } = self; - let u = *H * u; - - // Ensure we have the exact amount of weights - if h_bold_weights.len() != g_bold_slice.len() { - Err(IpError::IncorrectAmountOfGenerators)?; - } - // Acquire a local copy of the generators - let g_bold = PointVector(g_bold_slice.to_vec()); - let h_bold = PointVector(h_bold_slice.to_vec()).mul_vec(&h_bold_weights); - - let IpWitness { a, b } = witness; - - (g_bold, h_bold, u, a, b) - }; - - let mut L_vec = vec![]; - let mut R_vec = vec![]; - - // `else: (n > 1)` case, lines 18-35 of the Bulletproofs paper - // This interprets `g_bold.len()` as `n` - while g_bold.len() > 1 { - // Split a, b, g_bold, h_bold as needed for lines 20-24 - let (a1, a2) = a.clone().split(); - let (b1, b2) = b.clone().split(); - - let (g_bold1, g_bold2) = g_bold.split(); - let (h_bold1, h_bold2) = h_bold.split(); - - let n_hat = g_bold1.len(); - - // Sanity - debug_assert_eq!(a1.len(), n_hat); - debug_assert_eq!(a2.len(), n_hat); - debug_assert_eq!(b1.len(), n_hat); - debug_assert_eq!(b2.len(), n_hat); - debug_assert_eq!(g_bold1.len(), n_hat); - debug_assert_eq!(g_bold2.len(), n_hat); - debug_assert_eq!(h_bold1.len(), n_hat); - debug_assert_eq!(h_bold2.len(), n_hat); - - // cl, cr, lines 21-22 - let cl = a1.clone().inner_product(&b2); - let cr = a2.clone().inner_product(&b1); - - let L = { - let mut L_terms = Vec::with_capacity(1 + (2 * g_bold1.len())); - for (a, g) in a1.0.iter().zip(g_bold2.0.iter()) { - L_terms.push((*a, *g)); - } - for (b, h) in b2.0.iter().zip(h_bold1.0.iter()) { - L_terms.push((*b, *h)); - } - L_terms.push((cl, u)); - // Uses vartime since this isn't a ZK proof - multiexp_vartime(&L_terms) - }; - L_vec.push(L * INV_EIGHT()); - - let R = { - let mut R_terms = Vec::with_capacity(1 + (2 * g_bold1.len())); - for (a, g) in a2.0.iter().zip(g_bold1.0.iter()) { - R_terms.push((*a, *g)); - } - for (b, h) in b1.0.iter().zip(h_bold2.0.iter()) { - R_terms.push((*b, *h)); - } - R_terms.push((cr, u)); - multiexp_vartime(&R_terms) - }; - R_vec.push(R * INV_EIGHT()); - - // Now that we've calculate L, R, transcript them to receive x (26-27) - transcript = Self::transcript_L_R( - transcript, - *L_vec.last().expect("couldn't get last L_vec despite always being non-empty"), - *R_vec.last().expect("couldn't get last R_vec despite always being non-empty"), - ); - let x = transcript; - let x_inv = x.invert(); - - // The prover and verifier now calculate the following (28-31) - g_bold = PointVector(Vec::with_capacity(g_bold1.len())); - for (a, b) in g_bold1.0.into_iter().zip(g_bold2.0.into_iter()) { - g_bold.0.push(multiexp_vartime(&[(x_inv, a), (x, b)])); - } - h_bold = PointVector(Vec::with_capacity(h_bold1.len())); - for (a, b) in h_bold1.0.into_iter().zip(h_bold2.0.into_iter()) { - h_bold.0.push(multiexp_vartime(&[(x, a), (x_inv, b)])); - } - - // 32-34 - a = (a1 * x) + &(a2 * x_inv); - b = (b1 * x_inv) + &(b2 * x); - } - - // `if n = 1` case from line 14-17 - - // Sanity - debug_assert_eq!(g_bold.len(), 1); - debug_assert_eq!(h_bold.len(), 1); - debug_assert_eq!(a.len(), 1); - debug_assert_eq!(b.len(), 1); - - // We simply send a/b - Ok(IpProof { L: L_vec, R: R_vec, a: a[0], b: b[0] }) - } - - /// Queue an Inner-Product proof for batch verification. - /// - /// This will return Err if there is an error. This will return Ok if the proof was successfully - /// queued for batch verification. The caller is required to verify the batch in order to ensure - /// the proof is actually correct. - pub(crate) fn verify( - self, - verifier: &mut BulletproofsBatchVerifier, - ip_rows: usize, - mut transcript: Scalar, - verifier_weight: Scalar, - proof: IpProof, - ) -> Result<(), IpError> { - let generators = &crate::original::GENERATORS; - let g_bold_slice = &generators.G[.. ip_rows]; - let h_bold_slice = &generators.H[.. ip_rows]; - - let IpStatement { h_bold_weights, u } = self; - - // Verify the L/R lengths - { - // Calculate the discrete log w.r.t. 2 for the amount of generators present - let mut lr_len = 0; - while (1 << lr_len) < g_bold_slice.len() { - lr_len += 1; - } - - // This proof has less/more terms than the passed in generators are for - if proof.L.len() != lr_len { - Err(IpError::IncorrectAmountOfGenerators)?; - } - if proof.L.len() != proof.R.len() { - Err(IpError::DifferingLrLengths)?; - } - } - - // Again, we start with the `else: (n > 1)` case - - // We need x, x_inv per lines 25-27 for lines 28-31 - let mut xs = Vec::with_capacity(proof.L.len()); - for (L, R) in proof.L.iter().zip(proof.R.iter()) { - transcript = Self::transcript_L_R(transcript, *L, *R); - xs.push(transcript); - } - - // We calculate their inverse in batch - let mut x_invs = xs.clone(); - Scalar::batch_invert(&mut x_invs); - - // Now, with x and x_inv, we need to calculate g_bold', h_bold', P' - // - // For the sake of performance, we solely want to calculate all of these in terms of scalings - // for g_bold, h_bold, P, and don't want to actually perform intermediary scalings of the - // points - // - // L and R are easy, as it's simply x**2, x**-2 - // - // For the series of g_bold, h_bold, we use the `challenge_products` function - // For how that works, please see its own documentation - let product_cache = { - let mut challenges = Vec::with_capacity(proof.L.len()); - - let x_iter = xs.into_iter().zip(x_invs); - let lr_iter = proof.L.into_iter().zip(proof.R); - for ((x, x_inv), (L, R)) in x_iter.zip(lr_iter) { - challenges.push((x, x_inv)); - verifier.0.other.push((verifier_weight * (x * x), L.mul_by_cofactor())); - verifier.0.other.push((verifier_weight * (x_inv * x_inv), R.mul_by_cofactor())); - } - - challenge_products(&challenges) - }; - - // And now for the `if n = 1` case - let c = proof.a * proof.b; - - // The multiexp of these terms equate to the final permutation of P - // We now add terms for a * g_bold' + b * h_bold' b + c * u, with the scalars negative such - // that the terms sum to 0 for an honest prover - - // The g_bold * a term case from line 16 - #[allow(clippy::needless_range_loop)] - for i in 0 .. g_bold_slice.len() { - verifier.0.g_bold[i] -= verifier_weight * product_cache[i] * proof.a; - } - // The h_bold * b term case from line 16 - for i in 0 .. h_bold_slice.len() { - verifier.0.h_bold[i] -= - verifier_weight * product_cache[product_cache.len() - 1 - i] * proof.b * h_bold_weights[i]; - } - // The c * u term case from line 16 - verifier.0.h -= verifier_weight * c * u; - - Ok(()) - } -} diff --git a/networks/monero/ringct/bulletproofs/src/original/mod.rs b/networks/monero/ringct/bulletproofs/src/original/mod.rs deleted file mode 100644 index 1a5d034b..00000000 --- a/networks/monero/ringct/bulletproofs/src/original/mod.rs +++ /dev/null @@ -1,342 +0,0 @@ -use std_shims::{sync::LazyLock, vec::Vec}; - -use rand_core::{RngCore, CryptoRng}; - -use zeroize::Zeroize; - -use curve25519_dalek::{constants::ED25519_BASEPOINT_POINT, Scalar, EdwardsPoint}; - -use monero_generators::{H as MONERO_H, Generators, MAX_COMMITMENTS, COMMITMENT_BITS}; -use monero_primitives::{Commitment, INV_EIGHT, keccak256_to_scalar}; -use crate::{core::multiexp, scalar_vector::ScalarVector, BulletproofsBatchVerifier}; - -pub(crate) mod inner_product; -use inner_product::*; -pub(crate) use inner_product::IpProof; - -include!(concat!(env!("OUT_DIR"), "/generators.rs")); - -#[derive(Clone, Debug)] -pub(crate) struct AggregateRangeStatement<'a> { - commitments: &'a [EdwardsPoint], -} - -#[derive(Clone, Debug)] -pub(crate) struct AggregateRangeWitness { - commitments: Vec, -} - -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub struct AggregateRangeProof { - pub(crate) A: EdwardsPoint, - pub(crate) S: EdwardsPoint, - pub(crate) T1: EdwardsPoint, - pub(crate) T2: EdwardsPoint, - pub(crate) tau_x: Scalar, - pub(crate) mu: Scalar, - pub(crate) t_hat: Scalar, - pub(crate) ip: IpProof, -} - -impl<'a> AggregateRangeStatement<'a> { - pub(crate) fn new(commitments: &'a [EdwardsPoint]) -> Option { - if commitments.is_empty() || (commitments.len() > MAX_COMMITMENTS) { - None?; - } - Some(Self { commitments }) - } -} - -impl AggregateRangeWitness { - pub(crate) fn new(commitments: Vec) -> Option { - if commitments.is_empty() || (commitments.len() > MAX_COMMITMENTS) { - None?; - } - Some(Self { commitments }) - } -} - -impl<'a> AggregateRangeStatement<'a> { - fn initial_transcript(&self) -> (Scalar, Vec) { - let V = self.commitments.iter().map(|c| c * INV_EIGHT()).collect::>(); - (keccak256_to_scalar(V.iter().flat_map(|V| V.compress().to_bytes()).collect::>()), V) - } - - fn transcript_A_S(transcript: Scalar, A: EdwardsPoint, S: EdwardsPoint) -> (Scalar, Scalar) { - let mut buf = Vec::with_capacity(96); - buf.extend(transcript.to_bytes()); - buf.extend(A.compress().to_bytes()); - buf.extend(S.compress().to_bytes()); - let y = keccak256_to_scalar(buf); - let z = keccak256_to_scalar(y.to_bytes()); - (y, z) - } - - fn transcript_T12(transcript: Scalar, T1: EdwardsPoint, T2: EdwardsPoint) -> Scalar { - let mut buf = Vec::with_capacity(128); - buf.extend(transcript.to_bytes()); - buf.extend(transcript.to_bytes()); - buf.extend(T1.compress().to_bytes()); - buf.extend(T2.compress().to_bytes()); - keccak256_to_scalar(buf) - } - - fn transcript_tau_x_mu_t_hat( - transcript: Scalar, - tau_x: Scalar, - mu: Scalar, - t_hat: Scalar, - ) -> Scalar { - let mut buf = Vec::with_capacity(128); - buf.extend(transcript.to_bytes()); - buf.extend(transcript.to_bytes()); - buf.extend(tau_x.to_bytes()); - buf.extend(mu.to_bytes()); - buf.extend(t_hat.to_bytes()); - keccak256_to_scalar(buf) - } - - #[allow(clippy::needless_pass_by_value)] - pub(crate) fn prove( - self, - rng: &mut (impl RngCore + CryptoRng), - witness: AggregateRangeWitness, - ) -> Option { - if self.commitments != witness.commitments.iter().map(Commitment::calculate).collect::>() - { - None? - }; - - let generators = &GENERATORS; - - let (mut transcript, _) = self.initial_transcript(); - - // Find out the padded amount of commitments - let mut padded_pow_of_2 = 1; - while padded_pow_of_2 < witness.commitments.len() { - padded_pow_of_2 <<= 1; - } - - let mut aL = ScalarVector::new(padded_pow_of_2 * COMMITMENT_BITS); - for (i, commitment) in witness.commitments.iter().enumerate() { - let mut amount = commitment.amount; - for j in 0 .. COMMITMENT_BITS { - aL[(i * COMMITMENT_BITS) + j] = Scalar::from(amount & 1); - amount >>= 1; - } - } - let aR = aL.clone() - Scalar::ONE; - - let alpha = Scalar::random(&mut *rng); - - let A = { - let mut terms = Vec::with_capacity(1 + (2 * aL.len())); - terms.push((alpha, ED25519_BASEPOINT_POINT)); - for (aL, G) in aL.0.iter().zip(&generators.G) { - terms.push((*aL, *G)); - } - for (aR, H) in aR.0.iter().zip(&generators.H) { - terms.push((*aR, *H)); - } - let res = multiexp(&terms) * INV_EIGHT(); - terms.zeroize(); - res - }; - - let mut sL = ScalarVector::new(padded_pow_of_2 * COMMITMENT_BITS); - let mut sR = ScalarVector::new(padded_pow_of_2 * COMMITMENT_BITS); - for i in 0 .. (padded_pow_of_2 * COMMITMENT_BITS) { - sL[i] = Scalar::random(&mut *rng); - sR[i] = Scalar::random(&mut *rng); - } - let rho = Scalar::random(&mut *rng); - - let S = { - let mut terms = Vec::with_capacity(1 + (2 * sL.len())); - terms.push((rho, ED25519_BASEPOINT_POINT)); - for (sL, G) in sL.0.iter().zip(&generators.G) { - terms.push((*sL, *G)); - } - for (sR, H) in sR.0.iter().zip(&generators.H) { - terms.push((*sR, *H)); - } - let res = multiexp(&terms) * INV_EIGHT(); - terms.zeroize(); - res - }; - - let (y, z) = Self::transcript_A_S(transcript, A, S); - transcript = z; - let z = ScalarVector::powers(z, 3 + padded_pow_of_2); - - let twos = ScalarVector::powers(Scalar::from(2u8), COMMITMENT_BITS); - - let l = [aL - z[1], sL]; - let y_pow_n = ScalarVector::powers(y, aR.len()); - let mut r = [((aR + z[1]) * &y_pow_n), sR * &y_pow_n]; - { - for j in 0 .. padded_pow_of_2 { - for i in 0 .. COMMITMENT_BITS { - r[0].0[(j * COMMITMENT_BITS) + i] += z[2 + j] * twos[i]; - } - } - } - let t1 = (l[0].clone().inner_product(&r[1])) + (r[0].clone().inner_product(&l[1])); - let t2 = l[1].clone().inner_product(&r[1]); - - let tau_1 = Scalar::random(&mut *rng); - let T1 = { - let mut T1_terms = [(t1, *MONERO_H), (tau_1, ED25519_BASEPOINT_POINT)]; - for term in &mut T1_terms { - term.0 *= INV_EIGHT(); - } - let T1 = multiexp(&T1_terms); - T1_terms.zeroize(); - T1 - }; - let tau_2 = Scalar::random(&mut *rng); - let T2 = { - let mut T2_terms = [(t2, *MONERO_H), (tau_2, ED25519_BASEPOINT_POINT)]; - for term in &mut T2_terms { - term.0 *= INV_EIGHT(); - } - let T2 = multiexp(&T2_terms); - T2_terms.zeroize(); - T2 - }; - - transcript = Self::transcript_T12(transcript, T1, T2); - let x = transcript; - - let [l0, l1] = l; - let l = l0 + &(l1 * x); - let [r0, r1] = r; - let r = r0 + &(r1 * x); - let t_hat = l.clone().inner_product(&r); - let mut tau_x = ((tau_2 * x) + tau_1) * x; - { - for (i, commitment) in witness.commitments.iter().enumerate() { - tau_x += z[2 + i] * commitment.mask; - } - } - let mu = alpha + (rho * x); - - let y_inv_pow_n = ScalarVector::powers(y.invert(), l.len()); - - transcript = Self::transcript_tau_x_mu_t_hat(transcript, tau_x, mu, t_hat); - let x_ip = transcript; - - let ip = IpStatement::new_without_P_transcript(y_inv_pow_n, x_ip) - .prove( - transcript, - IpWitness::new(l, r).expect("Bulletproofs::Original created an invalid IpWitness"), - ) - .expect("Bulletproofs::Original failed to prove the inner-product"); - - let res = AggregateRangeProof { A, S, T1, T2, tau_x, mu, t_hat, ip }; - #[cfg(debug_assertions)] - { - let mut verifier = BulletproofsBatchVerifier::default(); - debug_assert!(self.verify(rng, &mut verifier, res.clone())); - debug_assert!(verifier.verify()); - } - Some(res) - } - - #[must_use] - pub(crate) fn verify( - self, - rng: &mut (impl RngCore + CryptoRng), - verifier: &mut BulletproofsBatchVerifier, - mut proof: AggregateRangeProof, - ) -> bool { - let mut padded_pow_of_2 = 1; - while padded_pow_of_2 < self.commitments.len() { - padded_pow_of_2 <<= 1; - } - let ip_rows = padded_pow_of_2 * COMMITMENT_BITS; - - while verifier.0.g_bold.len() < ip_rows { - verifier.0.g_bold.push(Scalar::ZERO); - verifier.0.h_bold.push(Scalar::ZERO); - } - - let (mut transcript, mut commitments) = self.initial_transcript(); - for commitment in &mut commitments { - *commitment = commitment.mul_by_cofactor(); - } - - let (y, z) = Self::transcript_A_S(transcript, proof.A, proof.S); - transcript = z; - let z = ScalarVector::powers(z, 3 + padded_pow_of_2); - transcript = Self::transcript_T12(transcript, proof.T1, proof.T2); - let x = transcript; - transcript = Self::transcript_tau_x_mu_t_hat(transcript, proof.tau_x, proof.mu, proof.t_hat); - let x_ip = transcript; - - proof.A = proof.A.mul_by_cofactor(); - proof.S = proof.S.mul_by_cofactor(); - proof.T1 = proof.T1.mul_by_cofactor(); - proof.T2 = proof.T2.mul_by_cofactor(); - - let y_pow_n = ScalarVector::powers(y, ip_rows); - let y_inv_pow_n = ScalarVector::powers(y.invert(), ip_rows); - - let twos = ScalarVector::powers(Scalar::from(2u8), COMMITMENT_BITS); - - // 65 - { - let weight = Scalar::random(&mut *rng); - verifier.0.h += weight * proof.t_hat; - verifier.0.g += weight * proof.tau_x; - - // Now that we've accumulated the lhs, negate the weight and accumulate the rhs - // These will now sum to 0 if equal - let weight = -weight; - - verifier.0.h += weight * (z[1] - (z[2])) * y_pow_n.sum(); - - for (i, commitment) in commitments.iter().enumerate() { - verifier.0.other.push((weight * z[2 + i], *commitment)); - } - - for i in 0 .. padded_pow_of_2 { - verifier.0.h -= weight * z[3 + i] * twos.clone().sum(); - } - verifier.0.other.push((weight * x, proof.T1)); - verifier.0.other.push((weight * (x * x), proof.T2)); - } - - let ip_weight = Scalar::random(&mut *rng); - - // 66 - verifier.0.other.push((ip_weight, proof.A)); - verifier.0.other.push((ip_weight * x, proof.S)); - // We can replace these with a g_sum, h_sum scalar in the batch verifier - // It'd trade `2 * ip_rows` scalar additions (per proof) for one scalar addition and an - // additional term in the MSM - let ip_z = ip_weight * z[1]; - for i in 0 .. ip_rows { - verifier.0.h_bold[i] += ip_z; - } - let neg_ip_z = -ip_z; - for i in 0 .. ip_rows { - verifier.0.g_bold[i] += neg_ip_z; - } - { - for j in 0 .. padded_pow_of_2 { - for i in 0 .. COMMITMENT_BITS { - let full_i = (j * COMMITMENT_BITS) + i; - verifier.0.h_bold[full_i] += ip_weight * y_inv_pow_n[full_i] * z[2 + j] * twos[i]; - } - } - } - verifier.0.h += ip_weight * x_ip * proof.t_hat; - - // 67, 68 - verifier.0.g += ip_weight * -proof.mu; - let res = IpStatement::new_without_P_transcript(y_inv_pow_n, x_ip) - .verify(verifier, ip_rows, transcript, ip_weight, proof.ip); - res.is_ok() - } -} diff --git a/networks/monero/ringct/bulletproofs/src/plus/aggregate_range_proof.rs b/networks/monero/ringct/bulletproofs/src/plus/aggregate_range_proof.rs deleted file mode 100644 index 6468cdf1..00000000 --- a/networks/monero/ringct/bulletproofs/src/plus/aggregate_range_proof.rs +++ /dev/null @@ -1,264 +0,0 @@ -use std_shims::{vec, vec::Vec}; - -use rand_core::{RngCore, CryptoRng}; -use zeroize::{Zeroize, ZeroizeOnDrop, Zeroizing}; - -use curve25519_dalek::{traits::Identity, scalar::Scalar, edwards::EdwardsPoint}; - -use monero_primitives::{INV_EIGHT, Commitment, keccak256_to_scalar}; - -use crate::{ - batch_verifier::BulletproofsPlusBatchVerifier, - core::{MAX_COMMITMENTS, COMMITMENT_BITS, multiexp, multiexp_vartime}, - plus::{ - ScalarVector, PointVector, GeneratorsList, BpPlusGenerators, - transcript::*, - weighted_inner_product::{WipStatement, WipWitness, WipProof}, - padded_pow_of_2, u64_decompose, - }, -}; - -// Figure 3 of the Bulletproofs+ Paper -#[derive(Clone, Debug)] -pub(crate) struct AggregateRangeStatement<'a> { - generators: BpPlusGenerators, - V: &'a [EdwardsPoint], -} - -#[derive(Clone, Debug, Zeroize, ZeroizeOnDrop)] -pub(crate) struct AggregateRangeWitness(Vec); - -impl AggregateRangeWitness { - pub(crate) fn new(commitments: Vec) -> Option { - if commitments.is_empty() || (commitments.len() > MAX_COMMITMENTS) { - return None; - } - - Some(AggregateRangeWitness(commitments)) - } -} - -/// Internal structure representing a Bulletproof+, as defined by Monero.. -#[doc(hidden)] -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub struct AggregateRangeProof { - pub(crate) A: EdwardsPoint, - pub(crate) wip: WipProof, -} - -struct AHatComputation { - y: Scalar, - d_descending_y_plus_z: ScalarVector, - y_mn_plus_one: Scalar, - z: Scalar, - z_pow: ScalarVector, - A_hat: EdwardsPoint, -} - -impl<'a> AggregateRangeStatement<'a> { - pub(crate) fn new(V: &'a [EdwardsPoint]) -> Option { - if V.is_empty() || (V.len() > MAX_COMMITMENTS) { - return None; - } - - Some(Self { generators: BpPlusGenerators::new(), V }) - } - - fn transcript_A(transcript: &mut Scalar, A: EdwardsPoint) -> (Scalar, Scalar) { - let y = keccak256_to_scalar( - [transcript.to_bytes().as_ref(), A.compress().to_bytes().as_ref()].concat(), - ); - let z = keccak256_to_scalar(y.to_bytes().as_ref()); - *transcript = z; - (y, z) - } - - fn d_j(j: usize, m: usize) -> ScalarVector { - let mut d_j = Vec::with_capacity(m * COMMITMENT_BITS); - for _ in 0 .. (j - 1) * COMMITMENT_BITS { - d_j.push(Scalar::ZERO); - } - d_j.append(&mut ScalarVector::powers(Scalar::from(2u8), COMMITMENT_BITS).0); - for _ in 0 .. (m - j) * COMMITMENT_BITS { - d_j.push(Scalar::ZERO); - } - ScalarVector(d_j) - } - - fn compute_A_hat( - mut V: PointVector, - generators: &BpPlusGenerators, - transcript: &mut Scalar, - mut A: EdwardsPoint, - ) -> AHatComputation { - let (y, z) = Self::transcript_A(transcript, A); - A = A.mul_by_cofactor(); - - while V.len() < padded_pow_of_2(V.len()) { - V.0.push(EdwardsPoint::identity()); - } - let mn = V.len() * COMMITMENT_BITS; - - // 2, 4, 6, 8... powers of z, of length equivalent to the amount of commitments - let mut z_pow = Vec::with_capacity(V.len()); - // z**2 - z_pow.push(z * z); - - let mut d = ScalarVector::new(mn); - for j in 1 ..= V.len() { - z_pow.push( - *z_pow.last().expect("couldn't get last z_pow despite always being non-empty") * z_pow[0], - ); - d = d + &(Self::d_j(j, V.len()) * (z_pow[j - 1])); - } - - let mut ascending_y = ScalarVector(vec![y]); - for i in 1 .. d.len() { - ascending_y.0.push(ascending_y[i - 1] * y); - } - let y_pows = ascending_y.clone().sum(); - - let mut descending_y = ascending_y.clone(); - descending_y.0.reverse(); - - let d_descending_y = d.clone() * &descending_y; - let d_descending_y_plus_z = d_descending_y + z; - - let y_mn_plus_one = descending_y[0] * y; - - let mut commitment_accum = EdwardsPoint::identity(); - for (j, commitment) in V.0.iter().enumerate() { - commitment_accum += *commitment * z_pow[j]; - } - - let neg_z = -z; - let mut A_terms = Vec::with_capacity((generators.len() * 2) + 2); - for (i, d_y_z) in d_descending_y_plus_z.0.iter().enumerate() { - A_terms.push((neg_z, generators.generator(GeneratorsList::GBold, i))); - A_terms.push((*d_y_z, generators.generator(GeneratorsList::HBold, i))); - } - A_terms.push((y_mn_plus_one, commitment_accum)); - A_terms.push(( - ((y_pows * z) - (d.sum() * y_mn_plus_one * z) - (y_pows * (z * z))), - BpPlusGenerators::g(), - )); - - AHatComputation { - y, - d_descending_y_plus_z, - y_mn_plus_one, - z, - z_pow: ScalarVector(z_pow), - A_hat: A + multiexp_vartime(&A_terms), - } - } - - pub(crate) fn prove( - self, - rng: &mut R, - witness: &AggregateRangeWitness, - ) -> Option { - // Check for consistency with the witness - if self.V.len() != witness.0.len() { - return None; - } - for (commitment, witness) in self.V.iter().zip(witness.0.iter()) { - if witness.calculate() != *commitment { - return None; - } - } - - let Self { generators, V } = self; - // Monero expects all of these points to be torsion-free - // Generally, for Bulletproofs, it sends points * INV_EIGHT and then performs a torsion clear - // by multiplying by 8 - // This also restores the original value due to the preprocessing - // Commitments aren't transmitted INV_EIGHT though, so this multiplies by INV_EIGHT to enable - // clearing its cofactor without mutating the value - // For some reason, these values are transcripted * INV_EIGHT, not as transmitted - let V = V.iter().map(|V| V * INV_EIGHT()).collect::>(); - let mut transcript = initial_transcript(V.iter()); - let mut V = V.iter().map(EdwardsPoint::mul_by_cofactor).collect::>(); - - // Pad V - while V.len() < padded_pow_of_2(V.len()) { - V.push(EdwardsPoint::identity()); - } - - let generators = generators.reduce(V.len() * COMMITMENT_BITS); - - let mut d_js = Vec::with_capacity(V.len()); - let mut a_l = ScalarVector(Vec::with_capacity(V.len() * COMMITMENT_BITS)); - for j in 1 ..= V.len() { - d_js.push(Self::d_j(j, V.len())); - #[allow(clippy::map_unwrap_or)] - a_l.0.append( - &mut u64_decompose( - *witness.0.get(j - 1).map(|commitment| &commitment.amount).unwrap_or(&0), - ) - .0, - ); - } - - let a_r = a_l.clone() - Scalar::ONE; - - let alpha = Scalar::random(&mut *rng); - - let mut A_terms = Vec::with_capacity((generators.len() * 2) + 1); - for (i, a_l) in a_l.0.iter().enumerate() { - A_terms.push((*a_l, generators.generator(GeneratorsList::GBold, i))); - } - for (i, a_r) in a_r.0.iter().enumerate() { - A_terms.push((*a_r, generators.generator(GeneratorsList::HBold, i))); - } - A_terms.push((alpha, BpPlusGenerators::h())); - let mut A = multiexp(&A_terms); - A_terms.zeroize(); - - // Multiply by INV_EIGHT per earlier commentary - A *= INV_EIGHT(); - - let AHatComputation { y, d_descending_y_plus_z, y_mn_plus_one, z, z_pow, A_hat } = - Self::compute_A_hat(PointVector(V), &generators, &mut transcript, A); - - let a_l = a_l - z; - let a_r = a_r + &d_descending_y_plus_z; - let mut alpha = alpha; - for j in 1 ..= witness.0.len() { - alpha += z_pow[j - 1] * witness.0[j - 1].mask * y_mn_plus_one; - } - - Some(AggregateRangeProof { - A, - wip: WipStatement::new(generators, A_hat, y) - .prove( - rng, - transcript, - &Zeroizing::new( - WipWitness::new(a_l, a_r, alpha) - .expect("Bulletproofs::Plus created an invalid WipWitness"), - ), - ) - .expect("Bulletproof::Plus failed to prove the weighted inner-product"), - }) - } - - pub(crate) fn verify( - self, - rng: &mut R, - verifier: &mut BulletproofsPlusBatchVerifier, - proof: AggregateRangeProof, - ) -> bool { - let Self { generators, V } = self; - - let V = V.iter().map(|V| V * INV_EIGHT()).collect::>(); - let mut transcript = initial_transcript(V.iter()); - let V = V.iter().map(EdwardsPoint::mul_by_cofactor).collect::>(); - - let generators = generators.reduce(V.len() * COMMITMENT_BITS); - - let AHatComputation { y, A_hat, .. } = - Self::compute_A_hat(PointVector(V), &generators, &mut transcript, proof.A); - WipStatement::new(generators, A_hat, y).verify(rng, verifier, transcript, proof.wip) - } -} diff --git a/networks/monero/ringct/bulletproofs/src/plus/mod.rs b/networks/monero/ringct/bulletproofs/src/plus/mod.rs deleted file mode 100644 index 465b878a..00000000 --- a/networks/monero/ringct/bulletproofs/src/plus/mod.rs +++ /dev/null @@ -1,84 +0,0 @@ -#![allow(non_snake_case)] - -use std_shims::sync::LazyLock; - -use curve25519_dalek::{constants::ED25519_BASEPOINT_POINT, scalar::Scalar, edwards::EdwardsPoint}; - -use monero_generators::{H, Generators}; - -pub(crate) use crate::{scalar_vector::ScalarVector, point_vector::PointVector}; - -pub(crate) mod transcript; -pub(crate) mod weighted_inner_product; -pub(crate) use weighted_inner_product::*; -pub(crate) mod aggregate_range_proof; -pub(crate) use aggregate_range_proof::*; - -pub(crate) fn padded_pow_of_2(i: usize) -> usize { - let mut next_pow_of_2 = 1; - while next_pow_of_2 < i { - next_pow_of_2 <<= 1; - } - next_pow_of_2 -} - -#[derive(Clone, Copy, PartialEq, Eq, Hash, Debug)] -pub(crate) enum GeneratorsList { - GBold, - HBold, -} - -#[derive(Clone, Debug)] -pub(crate) struct BpPlusGenerators { - g_bold: &'static [EdwardsPoint], - h_bold: &'static [EdwardsPoint], -} - -include!(concat!(env!("OUT_DIR"), "/generators_plus.rs")); - -impl BpPlusGenerators { - #[allow(clippy::new_without_default)] - pub(crate) fn new() -> Self { - let gens = &GENERATORS; - BpPlusGenerators { g_bold: &gens.G, h_bold: &gens.H } - } - - pub(crate) fn len(&self) -> usize { - self.g_bold.len() - } - - pub(crate) fn g() -> EdwardsPoint { - *H - } - - pub(crate) fn h() -> EdwardsPoint { - ED25519_BASEPOINT_POINT - } - - pub(crate) fn generator(&self, list: GeneratorsList, i: usize) -> EdwardsPoint { - match list { - GeneratorsList::GBold => self.g_bold[i], - GeneratorsList::HBold => self.h_bold[i], - } - } - - pub(crate) fn reduce(&self, generators: usize) -> Self { - // Round to the nearest power of 2 - let generators = padded_pow_of_2(generators); - assert!( - generators <= self.g_bold.len(), - "instantiated with less generators than application required" - ); - - BpPlusGenerators { g_bold: &self.g_bold[.. generators], h_bold: &self.h_bold[.. generators] } - } -} - -// Returns the little-endian decomposition. -fn u64_decompose(value: u64) -> ScalarVector { - let mut bits = ScalarVector::new(64); - for bit in 0 .. 64 { - bits[bit] = Scalar::from((value >> bit) & 1); - } - bits -} diff --git a/networks/monero/ringct/bulletproofs/src/plus/transcript.rs b/networks/monero/ringct/bulletproofs/src/plus/transcript.rs deleted file mode 100644 index e42f1ade..00000000 --- a/networks/monero/ringct/bulletproofs/src/plus/transcript.rs +++ /dev/null @@ -1,17 +0,0 @@ -use std_shims::{sync::LazyLock, vec::Vec}; - -use curve25519_dalek::{scalar::Scalar, edwards::EdwardsPoint}; - -use monero_generators::hash_to_point; -use monero_primitives::{keccak256, keccak256_to_scalar}; - -// Monero starts BP+ transcripts with the following constant. -// Why this uses a hash_to_point is completely unknown. -pub(crate) static TRANSCRIPT: LazyLock<[u8; 32]> = - LazyLock::new(|| hash_to_point(keccak256(b"bulletproof_plus_transcript")).compress().to_bytes()); - -pub(crate) fn initial_transcript(commitments: core::slice::Iter<'_, EdwardsPoint>) -> Scalar { - let commitments_hash = - keccak256_to_scalar(commitments.flat_map(|V| V.compress().to_bytes()).collect::>()); - keccak256_to_scalar([TRANSCRIPT.as_ref(), &commitments_hash.to_bytes()].concat()) -} diff --git a/networks/monero/ringct/bulletproofs/src/plus/weighted_inner_product.rs b/networks/monero/ringct/bulletproofs/src/plus/weighted_inner_product.rs deleted file mode 100644 index 5b3c25c2..00000000 --- a/networks/monero/ringct/bulletproofs/src/plus/weighted_inner_product.rs +++ /dev/null @@ -1,409 +0,0 @@ -use std_shims::{vec, vec::Vec}; - -use rand_core::{RngCore, CryptoRng}; -use zeroize::{Zeroize, ZeroizeOnDrop}; - -use curve25519_dalek::{scalar::Scalar, edwards::EdwardsPoint}; - -use monero_primitives::{INV_EIGHT, keccak256_to_scalar}; -use crate::{ - core::{multiexp, multiexp_vartime, challenge_products}, - batch_verifier::BulletproofsPlusBatchVerifier, - plus::{ScalarVector, PointVector, GeneratorsList, BpPlusGenerators, padded_pow_of_2}, -}; - -// Figure 1 of the Bulletproofs+ paper -#[derive(Clone, Debug)] -pub(crate) struct WipStatement { - generators: BpPlusGenerators, - P: EdwardsPoint, - y: ScalarVector, -} - -impl Zeroize for WipStatement { - fn zeroize(&mut self) { - self.P.zeroize(); - self.y.zeroize(); - } -} - -#[derive(Clone, Debug, Zeroize, ZeroizeOnDrop)] -pub(crate) struct WipWitness { - a: ScalarVector, - b: ScalarVector, - alpha: Scalar, -} - -impl WipWitness { - pub(crate) fn new(mut a: ScalarVector, mut b: ScalarVector, alpha: Scalar) -> Option { - if a.0.is_empty() || (a.len() != b.len()) { - return None; - } - - // Pad to the nearest power of 2 - let missing = padded_pow_of_2(a.len()) - a.len(); - a.0.reserve(missing); - b.0.reserve(missing); - for _ in 0 .. missing { - a.0.push(Scalar::ZERO); - b.0.push(Scalar::ZERO); - } - - Some(Self { a, b, alpha }) - } -} - -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub(crate) struct WipProof { - pub(crate) L: Vec, - pub(crate) R: Vec, - pub(crate) A: EdwardsPoint, - pub(crate) B: EdwardsPoint, - pub(crate) r_answer: Scalar, - pub(crate) s_answer: Scalar, - pub(crate) delta_answer: Scalar, -} - -impl WipStatement { - pub(crate) fn new(generators: BpPlusGenerators, P: EdwardsPoint, y: Scalar) -> Self { - debug_assert_eq!(generators.len(), padded_pow_of_2(generators.len())); - - // y ** n - let mut y_vec = ScalarVector::new(generators.len()); - y_vec[0] = y; - for i in 1 .. y_vec.len() { - y_vec[i] = y_vec[i - 1] * y; - } - - Self { generators, P, y: y_vec } - } - - fn transcript_L_R(transcript: &mut Scalar, L: EdwardsPoint, R: EdwardsPoint) -> Scalar { - let e = keccak256_to_scalar( - [ - transcript.to_bytes().as_ref(), - L.compress().to_bytes().as_ref(), - R.compress().to_bytes().as_ref(), - ] - .concat(), - ); - *transcript = e; - e - } - - fn transcript_A_B(transcript: &mut Scalar, A: EdwardsPoint, B: EdwardsPoint) -> Scalar { - let e = keccak256_to_scalar( - [ - transcript.to_bytes().as_ref(), - A.compress().to_bytes().as_ref(), - B.compress().to_bytes().as_ref(), - ] - .concat(), - ); - *transcript = e; - e - } - - // Prover's variant of the shared code block to calculate G/H/P when n > 1 - // Returns each permutation of G/H since the prover needs to do operation on each permutation - // P is dropped as it's unused in the prover's path - #[allow(clippy::too_many_arguments)] - fn next_G_H( - transcript: &mut Scalar, - mut g_bold1: PointVector, - mut g_bold2: PointVector, - mut h_bold1: PointVector, - mut h_bold2: PointVector, - L: EdwardsPoint, - R: EdwardsPoint, - y_inv_n_hat: Scalar, - ) -> (Scalar, Scalar, Scalar, Scalar, PointVector, PointVector) { - debug_assert_eq!(g_bold1.len(), g_bold2.len()); - debug_assert_eq!(h_bold1.len(), h_bold2.len()); - debug_assert_eq!(g_bold1.len(), h_bold1.len()); - - let e = Self::transcript_L_R(transcript, L, R); - let inv_e = e.invert(); - - // This vartime is safe as all of these arguments are public - let mut new_g_bold = Vec::with_capacity(g_bold1.len()); - let e_y_inv = e * y_inv_n_hat; - for g_bold in g_bold1.0.drain(..).zip(g_bold2.0.drain(..)) { - new_g_bold.push(multiexp_vartime(&[(inv_e, g_bold.0), (e_y_inv, g_bold.1)])); - } - - let mut new_h_bold = Vec::with_capacity(h_bold1.len()); - for h_bold in h_bold1.0.drain(..).zip(h_bold2.0.drain(..)) { - new_h_bold.push(multiexp_vartime(&[(e, h_bold.0), (inv_e, h_bold.1)])); - } - - let e_square = e * e; - let inv_e_square = inv_e * inv_e; - - (e, inv_e, e_square, inv_e_square, PointVector(new_g_bold), PointVector(new_h_bold)) - } - - pub(crate) fn prove( - self, - rng: &mut R, - mut transcript: Scalar, - witness: &WipWitness, - ) -> Option { - let WipStatement { generators, P, mut y } = self; - #[cfg(not(debug_assertions))] - let _ = P; - - if generators.len() != witness.a.len() { - return None; - } - let (g, h) = (BpPlusGenerators::g(), BpPlusGenerators::h()); - let mut g_bold = vec![]; - let mut h_bold = vec![]; - for i in 0 .. generators.len() { - g_bold.push(generators.generator(GeneratorsList::GBold, i)); - h_bold.push(generators.generator(GeneratorsList::HBold, i)); - } - let mut g_bold = PointVector(g_bold); - let mut h_bold = PointVector(h_bold); - - let mut y_inv = { - let mut i = 1; - let mut to_invert = vec![]; - while i < g_bold.len() { - to_invert.push(y[i - 1]); - i *= 2; - } - Scalar::batch_invert(&mut to_invert); - to_invert - }; - - // Check P has the expected relationship - #[cfg(debug_assertions)] - { - let mut P_terms = witness - .a - .0 - .iter() - .copied() - .zip(g_bold.0.iter().copied()) - .chain(witness.b.0.iter().copied().zip(h_bold.0.iter().copied())) - .collect::>(); - P_terms.push((witness.a.clone().weighted_inner_product(&witness.b, &y), g)); - P_terms.push((witness.alpha, h)); - debug_assert_eq!(multiexp(&P_terms), P); - P_terms.zeroize(); - } - - let mut a = witness.a.clone(); - let mut b = witness.b.clone(); - let mut alpha = witness.alpha; - - // From here on, g_bold.len() is used as n - debug_assert_eq!(g_bold.len(), a.len()); - - let mut L_vec = vec![]; - let mut R_vec = vec![]; - - // else n > 1 case from figure 1 - while g_bold.len() > 1 { - let (a1, a2) = a.clone().split(); - let (b1, b2) = b.clone().split(); - let (g_bold1, g_bold2) = g_bold.split(); - let (h_bold1, h_bold2) = h_bold.split(); - - let n_hat = g_bold1.len(); - debug_assert_eq!(a1.len(), n_hat); - debug_assert_eq!(a2.len(), n_hat); - debug_assert_eq!(b1.len(), n_hat); - debug_assert_eq!(b2.len(), n_hat); - debug_assert_eq!(g_bold1.len(), n_hat); - debug_assert_eq!(g_bold2.len(), n_hat); - debug_assert_eq!(h_bold1.len(), n_hat); - debug_assert_eq!(h_bold2.len(), n_hat); - - let y_n_hat = y[n_hat - 1]; - y.0.truncate(n_hat); - - let d_l = Scalar::random(&mut *rng); - let d_r = Scalar::random(&mut *rng); - - let c_l = a1.clone().weighted_inner_product(&b2, &y); - let c_r = (a2.clone() * y_n_hat).weighted_inner_product(&b1, &y); - - let y_inv_n_hat = y_inv - .pop() - .expect("couldn't pop y_inv despite y_inv being of same length as times iterated"); - - let mut L_terms = (a1.clone() * y_inv_n_hat) - .0 - .drain(..) - .zip(g_bold2.0.iter().copied()) - .chain(b2.0.iter().copied().zip(h_bold1.0.iter().copied())) - .collect::>(); - L_terms.push((c_l, g)); - L_terms.push((d_l, h)); - let L = multiexp(&L_terms) * INV_EIGHT(); - L_vec.push(L); - L_terms.zeroize(); - - let mut R_terms = (a2.clone() * y_n_hat) - .0 - .drain(..) - .zip(g_bold1.0.iter().copied()) - .chain(b1.0.iter().copied().zip(h_bold2.0.iter().copied())) - .collect::>(); - R_terms.push((c_r, g)); - R_terms.push((d_r, h)); - let R = multiexp(&R_terms) * INV_EIGHT(); - R_vec.push(R); - R_terms.zeroize(); - - let (e, inv_e, e_square, inv_e_square); - (e, inv_e, e_square, inv_e_square, g_bold, h_bold) = - Self::next_G_H(&mut transcript, g_bold1, g_bold2, h_bold1, h_bold2, L, R, y_inv_n_hat); - - a = (a1 * e) + &(a2 * (y_n_hat * inv_e)); - b = (b1 * inv_e) + &(b2 * e); - alpha += (d_l * e_square) + (d_r * inv_e_square); - - debug_assert_eq!(g_bold.len(), a.len()); - debug_assert_eq!(g_bold.len(), h_bold.len()); - debug_assert_eq!(g_bold.len(), b.len()); - } - - // n == 1 case from figure 1 - debug_assert_eq!(g_bold.len(), 1); - debug_assert_eq!(h_bold.len(), 1); - - debug_assert_eq!(a.len(), 1); - debug_assert_eq!(b.len(), 1); - - let r = Scalar::random(&mut *rng); - let s = Scalar::random(&mut *rng); - let delta = Scalar::random(&mut *rng); - let eta = Scalar::random(&mut *rng); - - let ry = r * y[0]; - - let mut A_terms = - vec![(r, g_bold[0]), (s, h_bold[0]), ((ry * b[0]) + (s * y[0] * a[0]), g), (delta, h)]; - let A = multiexp(&A_terms) * INV_EIGHT(); - A_terms.zeroize(); - - let mut B_terms = vec![(ry * s, g), (eta, h)]; - let B = multiexp(&B_terms) * INV_EIGHT(); - B_terms.zeroize(); - - let e = Self::transcript_A_B(&mut transcript, A, B); - - let r_answer = r + (a[0] * e); - let s_answer = s + (b[0] * e); - let delta_answer = eta + (delta * e) + (alpha * (e * e)); - - Some(WipProof { L: L_vec, R: R_vec, A, B, r_answer, s_answer, delta_answer }) - } - - pub(crate) fn verify( - self, - rng: &mut R, - verifier: &mut BulletproofsPlusBatchVerifier, - mut transcript: Scalar, - mut proof: WipProof, - ) -> bool { - let verifier_weight = Scalar::random(rng); - - let WipStatement { generators, P, y } = self; - - // Verify the L/R lengths - { - let mut lr_len = 0; - while (1 << lr_len) < generators.len() { - lr_len += 1; - } - if (proof.L.len() != lr_len) || - (proof.R.len() != lr_len) || - (generators.len() != (1 << lr_len)) - { - return false; - } - } - - let inv_y = { - let inv_y = y[0].invert(); - let mut res = Vec::with_capacity(y.len()); - res.push(inv_y); - while res.len() < y.len() { - res.push( - inv_y * res.last().expect("couldn't get last inv_y despite inv_y always being non-empty"), - ); - } - res - }; - - let mut e_is = Vec::with_capacity(proof.L.len()); - for (L, R) in proof.L.iter_mut().zip(proof.R.iter_mut()) { - e_is.push(Self::transcript_L_R(&mut transcript, *L, *R)); - *L = L.mul_by_cofactor(); - *R = R.mul_by_cofactor(); - } - - let e = Self::transcript_A_B(&mut transcript, proof.A, proof.B); - proof.A = proof.A.mul_by_cofactor(); - proof.B = proof.B.mul_by_cofactor(); - let neg_e_square = verifier_weight * -(e * e); - - verifier.0.other.push((neg_e_square, P)); - - let mut challenges = Vec::with_capacity(proof.L.len()); - let product_cache = { - let mut inv_e_is = e_is.clone(); - Scalar::batch_invert(&mut inv_e_is); - - debug_assert_eq!(e_is.len(), inv_e_is.len()); - debug_assert_eq!(e_is.len(), proof.L.len()); - debug_assert_eq!(e_is.len(), proof.R.len()); - for ((e_i, inv_e_i), (L, R)) in - e_is.drain(..).zip(inv_e_is.drain(..)).zip(proof.L.iter().zip(proof.R.iter())) - { - debug_assert_eq!(e_i.invert(), inv_e_i); - - challenges.push((e_i, inv_e_i)); - - let e_i_square = e_i * e_i; - let inv_e_i_square = inv_e_i * inv_e_i; - verifier.0.other.push((neg_e_square * e_i_square, *L)); - verifier.0.other.push((neg_e_square * inv_e_i_square, *R)); - } - - challenge_products(&challenges) - }; - - while verifier.0.g_bold.len() < generators.len() { - verifier.0.g_bold.push(Scalar::ZERO); - } - while verifier.0.h_bold.len() < generators.len() { - verifier.0.h_bold.push(Scalar::ZERO); - } - - let re = proof.r_answer * e; - for i in 0 .. generators.len() { - let mut scalar = product_cache[i] * re; - if i > 0 { - scalar *= inv_y[i - 1]; - } - verifier.0.g_bold[i] += verifier_weight * scalar; - } - - let se = proof.s_answer * e; - for i in 0 .. generators.len() { - verifier.0.h_bold[i] += verifier_weight * (se * product_cache[product_cache.len() - 1 - i]); - } - - verifier.0.other.push((verifier_weight * -e, proof.A)); - verifier.0.g += verifier_weight * (proof.r_answer * y[0] * proof.s_answer); - verifier.0.h += verifier_weight * proof.delta_answer; - verifier.0.other.push((-verifier_weight, proof.B)); - - true - } -} diff --git a/networks/monero/ringct/bulletproofs/src/point_vector.rs b/networks/monero/ringct/bulletproofs/src/point_vector.rs deleted file mode 100644 index c2635038..00000000 --- a/networks/monero/ringct/bulletproofs/src/point_vector.rs +++ /dev/null @@ -1,59 +0,0 @@ -use core::ops::{Index, IndexMut}; -use std_shims::vec::Vec; - -use zeroize::Zeroize; - -use curve25519_dalek::edwards::EdwardsPoint; - -use crate::scalar_vector::ScalarVector; - -#[cfg(test)] -use crate::core::multiexp; - -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub(crate) struct PointVector(pub(crate) Vec); - -impl Index for PointVector { - type Output = EdwardsPoint; - fn index(&self, index: usize) -> &EdwardsPoint { - &self.0[index] - } -} - -impl IndexMut for PointVector { - fn index_mut(&mut self, index: usize) -> &mut EdwardsPoint { - &mut self.0[index] - } -} - -impl PointVector { - pub(crate) fn mul_vec(&self, vector: &ScalarVector) -> Self { - assert_eq!(self.len(), vector.len()); - let mut res = self.clone(); - for (i, val) in res.0.iter_mut().enumerate() { - *val *= vector.0[i]; - } - res - } - - #[cfg(test)] - pub(crate) fn multiexp(&self, vector: &ScalarVector) -> EdwardsPoint { - debug_assert_eq!(self.len(), vector.len()); - let mut res = Vec::with_capacity(self.len()); - for (point, scalar) in self.0.iter().copied().zip(vector.0.iter().copied()) { - res.push((scalar, point)); - } - multiexp(&res) - } - - pub(crate) fn len(&self) -> usize { - self.0.len() - } - - pub(crate) fn split(mut self) -> (Self, Self) { - debug_assert!(self.len() > 1); - let r = self.0.split_off(self.0.len() / 2); - debug_assert_eq!(self.len(), r.len()); - (self, PointVector(r)) - } -} diff --git a/networks/monero/ringct/bulletproofs/src/scalar_vector.rs b/networks/monero/ringct/bulletproofs/src/scalar_vector.rs deleted file mode 100644 index ae723a42..00000000 --- a/networks/monero/ringct/bulletproofs/src/scalar_vector.rs +++ /dev/null @@ -1,138 +0,0 @@ -use core::{ - borrow::Borrow, - ops::{Index, IndexMut, Add, Sub, Mul}, -}; -use std_shims::{vec, vec::Vec}; - -use zeroize::{Zeroize, ZeroizeOnDrop}; - -use curve25519_dalek::{scalar::Scalar, edwards::EdwardsPoint}; - -use crate::core::multiexp; - -#[derive(Clone, PartialEq, Eq, Debug, Zeroize, ZeroizeOnDrop)] -pub(crate) struct ScalarVector(pub(crate) Vec); - -impl Index for ScalarVector { - type Output = Scalar; - fn index(&self, index: usize) -> &Scalar { - &self.0[index] - } -} -impl IndexMut for ScalarVector { - fn index_mut(&mut self, index: usize) -> &mut Scalar { - &mut self.0[index] - } -} - -impl> Add for ScalarVector { - type Output = ScalarVector; - fn add(mut self, scalar: S) -> ScalarVector { - for s in &mut self.0 { - *s += scalar.borrow(); - } - self - } -} -impl> Sub for ScalarVector { - type Output = ScalarVector; - fn sub(mut self, scalar: S) -> ScalarVector { - for s in &mut self.0 { - *s -= scalar.borrow(); - } - self - } -} -impl> Mul for ScalarVector { - type Output = ScalarVector; - fn mul(mut self, scalar: S) -> ScalarVector { - for s in &mut self.0 { - *s *= scalar.borrow(); - } - self - } -} - -impl Add<&ScalarVector> for ScalarVector { - type Output = ScalarVector; - fn add(mut self, other: &ScalarVector) -> ScalarVector { - debug_assert_eq!(self.len(), other.len()); - for (s, o) in self.0.iter_mut().zip(other.0.iter()) { - *s += o; - } - self - } -} -impl Sub<&ScalarVector> for ScalarVector { - type Output = ScalarVector; - fn sub(mut self, other: &ScalarVector) -> ScalarVector { - debug_assert_eq!(self.len(), other.len()); - for (s, o) in self.0.iter_mut().zip(other.0.iter()) { - *s -= o; - } - self - } -} -impl Mul<&ScalarVector> for ScalarVector { - type Output = ScalarVector; - fn mul(mut self, other: &ScalarVector) -> ScalarVector { - debug_assert_eq!(self.len(), other.len()); - for (s, o) in self.0.iter_mut().zip(other.0.iter()) { - *s *= o; - } - self - } -} - -impl Mul<&[EdwardsPoint]> for &ScalarVector { - type Output = EdwardsPoint; - fn mul(self, b: &[EdwardsPoint]) -> EdwardsPoint { - debug_assert_eq!(self.len(), b.len()); - let mut multiexp_args = self.0.iter().copied().zip(b.iter().copied()).collect::>(); - let res = multiexp(&multiexp_args); - multiexp_args.zeroize(); - res - } -} - -impl ScalarVector { - pub(crate) fn new(len: usize) -> Self { - ScalarVector(vec![Scalar::ZERO; len]) - } - - pub(crate) fn powers(x: Scalar, len: usize) -> Self { - debug_assert!(len != 0); - - let mut res = Vec::with_capacity(len); - res.push(Scalar::ONE); - res.push(x); - for i in 2 .. len { - res.push(res[i - 1] * x); - } - res.truncate(len); - ScalarVector(res) - } - - pub(crate) fn len(&self) -> usize { - self.0.len() - } - - pub(crate) fn sum(mut self) -> Scalar { - self.0.drain(..).sum() - } - - pub(crate) fn inner_product(self, vector: &Self) -> Scalar { - (self * vector).sum() - } - - pub(crate) fn weighted_inner_product(self, vector: &Self, y: &Self) -> Scalar { - (self * vector * y).sum() - } - - pub(crate) fn split(mut self) -> (Self, Self) { - debug_assert!(self.len() > 1); - let r = self.0.split_off(self.0.len() / 2); - debug_assert_eq!(self.len(), r.len()); - (self, ScalarVector(r)) - } -} diff --git a/networks/monero/ringct/bulletproofs/src/tests/mod.rs b/networks/monero/ringct/bulletproofs/src/tests/mod.rs deleted file mode 100644 index fa4c8939..00000000 --- a/networks/monero/ringct/bulletproofs/src/tests/mod.rs +++ /dev/null @@ -1,56 +0,0 @@ -use rand_core::{RngCore, OsRng}; - -use curve25519_dalek::scalar::Scalar; - -use monero_primitives::Commitment; -use crate::{batch_verifier::BatchVerifier, Bulletproof, BulletproofError}; - -mod original; -mod plus; - -macro_rules! bulletproofs_tests { - ($name: ident, $max: ident, $plus: literal) => { - #[test] - fn $name() { - // Create Bulletproofs for all possible output quantities - let mut verifier = BatchVerifier::new(); - for i in 1 ..= 16 { - let commitments = (1 ..= i) - .map(|_| Commitment::new(Scalar::random(&mut OsRng), OsRng.next_u64())) - .collect::>(); - - let bp = if $plus { - Bulletproof::prove_plus(&mut OsRng, commitments.clone()).unwrap() - } else { - Bulletproof::prove(&mut OsRng, commitments.clone()).unwrap() - }; - - let commitments = commitments.iter().map(Commitment::calculate).collect::>(); - assert!(bp.verify(&mut OsRng, &commitments)); - assert!(bp.batch_verify(&mut OsRng, &mut verifier, &commitments)); - } - assert!(verifier.verify()); - } - - #[test] - fn $max() { - // Check Bulletproofs errors if we try to prove for too many outputs - let mut commitments = vec![]; - for _ in 0 .. 17 { - commitments.push(Commitment::new(Scalar::ZERO, 0)); - } - assert_eq!( - (if $plus { - Bulletproof::prove_plus(&mut OsRng, commitments) - } else { - Bulletproof::prove(&mut OsRng, commitments) - }) - .unwrap_err(), - BulletproofError::TooManyCommitments, - ); - } - }; -} - -bulletproofs_tests!(bulletproofs, bulletproofs_max, false); -bulletproofs_tests!(bulletproofs_plus, bulletproofs_plus_max, true); diff --git a/networks/monero/ringct/bulletproofs/src/tests/original/inner_product.rs b/networks/monero/ringct/bulletproofs/src/tests/original/inner_product.rs deleted file mode 100644 index ce026e65..00000000 --- a/networks/monero/ringct/bulletproofs/src/tests/original/inner_product.rs +++ /dev/null @@ -1,75 +0,0 @@ -// The inner product relation is P = sum(g_bold * a, h_bold * b, g * (a * b)) - -use rand_core::OsRng; - -use curve25519_dalek::Scalar; - -use monero_generators::H; - -use crate::{ - scalar_vector::ScalarVector, - point_vector::PointVector, - original::{ - GENERATORS, - inner_product::{IpStatement, IpWitness}, - }, - BulletproofsBatchVerifier, -}; - -#[test] -fn test_zero_inner_product() { - let statement = - IpStatement::new_without_P_transcript(ScalarVector(vec![Scalar::ONE; 1]), Scalar::ONE); - let witness = IpWitness::new(ScalarVector::new(1), ScalarVector::new(1)).unwrap(); - - let transcript = Scalar::random(&mut OsRng); - let proof = statement.clone().prove(transcript, witness).unwrap(); - - let mut verifier = BulletproofsBatchVerifier::default(); - verifier.0.g_bold = vec![Scalar::ZERO; 1]; - verifier.0.h_bold = vec![Scalar::ZERO; 1]; - statement.verify(&mut verifier, 1, transcript, Scalar::random(&mut OsRng), proof).unwrap(); - assert!(verifier.verify()); -} - -#[test] -fn test_inner_product() { - // P = sum(g_bold * a, h_bold * b, g * u * ) - let generators = &GENERATORS; - let mut verifier = BulletproofsBatchVerifier::default(); - verifier.0.g_bold = vec![Scalar::ZERO; 32]; - verifier.0.h_bold = vec![Scalar::ZERO; 32]; - for i in [1, 2, 4, 8, 16, 32] { - let g = *H; - let mut g_bold = vec![]; - let mut h_bold = vec![]; - for i in 0 .. i { - g_bold.push(generators.G[i]); - h_bold.push(generators.H[i]); - } - let g_bold = PointVector(g_bold); - let h_bold = PointVector(h_bold); - - let mut a = ScalarVector::new(i); - let mut b = ScalarVector::new(i); - - for i in 0 .. i { - a[i] = Scalar::random(&mut OsRng); - b[i] = Scalar::random(&mut OsRng); - } - - let P = g_bold.multiexp(&a) + h_bold.multiexp(&b) + (g * a.clone().inner_product(&b)); - - let statement = - IpStatement::new_without_P_transcript(ScalarVector(vec![Scalar::ONE; i]), Scalar::ONE); - let witness = IpWitness::new(a, b).unwrap(); - - let transcript = Scalar::random(&mut OsRng); - let proof = statement.clone().prove(transcript, witness).unwrap(); - - let weight = Scalar::random(&mut OsRng); - verifier.0.other.push((weight, P)); - statement.verify(&mut verifier, i, transcript, weight, proof).unwrap(); - } - assert!(verifier.verify()); -} diff --git a/networks/monero/ringct/bulletproofs/src/tests/original/mod.rs b/networks/monero/ringct/bulletproofs/src/tests/original/mod.rs deleted file mode 100644 index c0010b4f..00000000 --- a/networks/monero/ringct/bulletproofs/src/tests/original/mod.rs +++ /dev/null @@ -1,62 +0,0 @@ -use hex_literal::hex; -use rand_core::OsRng; - -use curve25519_dalek::scalar::Scalar; - -use monero_io::decompress_point; - -use crate::{ - original::{IpProof, AggregateRangeProof as OriginalProof}, - Bulletproof, -}; - -mod inner_product; - -#[test] -fn bulletproofs_vector() { - let scalar = |scalar| Scalar::from_canonical_bytes(scalar).unwrap(); - let point = |point| decompress_point(point).unwrap(); - - // Generated from Monero - assert!(Bulletproof::Original(OriginalProof { - A: point(hex!("ef32c0b9551b804decdcb107eb22aa715b7ce259bf3c5cac20e24dfa6b28ac71")), - S: point(hex!("e1285960861783574ee2b689ae53622834eb0b035d6943103f960cd23e063fa0")), - T1: point(hex!("4ea07735f184ba159d0e0eb662bac8cde3eb7d39f31e567b0fbda3aa23fe5620")), - T2: point(hex!("b8390aa4b60b255630d40e592f55ec6b7ab5e3a96bfcdcd6f1cd1d2fc95f441e")), - tau_x: scalar(hex!("5957dba8ea9afb23d6e81cc048a92f2d502c10c749dc1b2bd148ae8d41ec7107")), - mu: scalar(hex!("923023b234c2e64774b820b4961f7181f6c1dc152c438643e5a25b0bf271bc02")), - ip: IpProof { - L: vec![ - point(hex!("c45f656316b9ebf9d357fb6a9f85b5f09e0b991dd50a6e0ae9b02de3946c9d99")), - point(hex!("9304d2bf0f27183a2acc58cc755a0348da11bd345485fda41b872fee89e72aac")), - point(hex!("1bb8b71925d155dd9569f64129ea049d6149fdc4e7a42a86d9478801d922129b")), - point(hex!("5756a7bf887aa72b9a952f92f47182122e7b19d89e5dd434c747492b00e1c6b7")), - point(hex!("6e497c910d102592830555356af5ff8340e8d141e3fb60ea24cfa587e964f07d")), - point(hex!("f4fa3898e7b08e039183d444f3d55040f3c790ed806cb314de49f3068bdbb218")), - point(hex!("0bbc37597c3ead517a3841e159c8b7b79a5ceaee24b2a9a20350127aab428713")), - ], - R: vec![ - point(hex!("609420ba1702781692e84accfd225adb3d077aedc3cf8125563400466b52dbd9")), - point(hex!("fb4e1d079e7a2b0ec14f7e2a3943bf50b6d60bc346a54fcf562fb234b342abf8")), - point(hex!("6ae3ac97289c48ce95b9c557289e82a34932055f7f5e32720139824fe81b12e5")), - point(hex!("d071cc2ffbdab2d840326ad15f68c01da6482271cae3cf644670d1632f29a15c")), - point(hex!("e52a1754b95e1060589ba7ce0c43d0060820ebfc0d49dc52884bc3c65ad18af5")), - point(hex!("41573b06140108539957df71aceb4b1816d2409ce896659aa5c86f037ca5e851")), - point(hex!("a65970b2cc3c7b08b2b5b739dbc8e71e646783c41c625e2a5b1535e3d2e0f742")), - ], - a: scalar(hex!("0077c5383dea44d3cd1bc74849376bd60679612dc4b945255822457fa0c0a209")), - b: scalar(hex!("fe80cf5756473482581e1d38644007793ddc66fdeb9404ec1689a907e4863302")), - }, - t_hat: scalar(hex!("40dfb08e09249040df997851db311bd6827c26e87d6f0f332c55be8eef10e603")) - }) - .verify( - &mut OsRng, - &[ - // For some reason, these vectors are * INV_EIGHT - point(hex!("8e8f23f315edae4f6c2f948d9a861e0ae32d356b933cd11d2f0e031ac744c41f")) - .mul_by_cofactor(), - point(hex!("2829cbd025aa54cd6e1b59a032564f22f0b2e5627f7f2c4297f90da438b5510f")) - .mul_by_cofactor(), - ] - )); -} diff --git a/networks/monero/ringct/bulletproofs/src/tests/plus/aggregate_range_proof.rs b/networks/monero/ringct/bulletproofs/src/tests/plus/aggregate_range_proof.rs deleted file mode 100644 index ba5d0543..00000000 --- a/networks/monero/ringct/bulletproofs/src/tests/plus/aggregate_range_proof.rs +++ /dev/null @@ -1,28 +0,0 @@ -use rand_core::{RngCore, OsRng}; - -use curve25519_dalek::Scalar; - -use monero_primitives::Commitment; - -use crate::{ - batch_verifier::BulletproofsPlusBatchVerifier, - plus::aggregate_range_proof::{AggregateRangeStatement, AggregateRangeWitness}, -}; - -#[test] -fn test_aggregate_range_proof() { - let mut verifier = BulletproofsPlusBatchVerifier::default(); - for m in 1 ..= 16 { - let mut commitments = vec![]; - for _ in 0 .. m { - commitments.push(Commitment::new(Scalar::random(&mut OsRng), OsRng.next_u64())); - } - let commitment_points = commitments.iter().map(Commitment::calculate).collect::>(); - let statement = AggregateRangeStatement::new(&commitment_points).unwrap(); - let witness = AggregateRangeWitness::new(commitments).unwrap(); - - let proof = statement.clone().prove(&mut OsRng, &witness).unwrap(); - statement.verify(&mut OsRng, &mut verifier, proof); - } - assert!(verifier.verify()); -} diff --git a/networks/monero/ringct/bulletproofs/src/tests/plus/mod.rs b/networks/monero/ringct/bulletproofs/src/tests/plus/mod.rs deleted file mode 100644 index bd48add5..00000000 --- a/networks/monero/ringct/bulletproofs/src/tests/plus/mod.rs +++ /dev/null @@ -1,4 +0,0 @@ -#[cfg(test)] -mod weighted_inner_product; -#[cfg(test)] -mod aggregate_range_proof; diff --git a/networks/monero/ringct/bulletproofs/src/tests/plus/weighted_inner_product.rs b/networks/monero/ringct/bulletproofs/src/tests/plus/weighted_inner_product.rs deleted file mode 100644 index eaa00cd3..00000000 --- a/networks/monero/ringct/bulletproofs/src/tests/plus/weighted_inner_product.rs +++ /dev/null @@ -1,82 +0,0 @@ -// The inner product relation is P = sum(g_bold * a, h_bold * b, g * (a * y * b), h * alpha) - -use rand_core::OsRng; - -use curve25519_dalek::{traits::Identity, scalar::Scalar, edwards::EdwardsPoint}; - -use crate::{ - batch_verifier::BulletproofsPlusBatchVerifier, - plus::{ - ScalarVector, PointVector, GeneratorsList, BpPlusGenerators, - weighted_inner_product::{WipStatement, WipWitness}, - }, -}; - -#[test] -fn test_zero_weighted_inner_product() { - #[allow(non_snake_case)] - let P = EdwardsPoint::identity(); - let y = Scalar::random(&mut OsRng); - - let generators = BpPlusGenerators::new().reduce(1); - let statement = WipStatement::new(generators, P, y); - let witness = WipWitness::new(ScalarVector::new(1), ScalarVector::new(1), Scalar::ZERO).unwrap(); - - let transcript = Scalar::random(&mut OsRng); - let proof = statement.clone().prove(&mut OsRng, transcript, &witness).unwrap(); - - let mut verifier = BulletproofsPlusBatchVerifier::default(); - statement.verify(&mut OsRng, &mut verifier, transcript, proof); - assert!(verifier.verify()); -} - -#[test] -fn test_weighted_inner_product() { - // P = sum(g_bold * a, h_bold * b, g * (a * y * b), h * alpha) - let mut verifier = BulletproofsPlusBatchVerifier::default(); - let generators = BpPlusGenerators::new(); - for i in [1, 2, 4, 8, 16, 32] { - let generators = generators.reduce(i); - let g = BpPlusGenerators::g(); - let h = BpPlusGenerators::h(); - assert_eq!(generators.len(), i); - let mut g_bold = vec![]; - let mut h_bold = vec![]; - for i in 0 .. i { - g_bold.push(generators.generator(GeneratorsList::GBold, i)); - h_bold.push(generators.generator(GeneratorsList::HBold, i)); - } - let g_bold = PointVector(g_bold); - let h_bold = PointVector(h_bold); - - let mut a = ScalarVector::new(i); - let mut b = ScalarVector::new(i); - let alpha = Scalar::random(&mut OsRng); - - let y = Scalar::random(&mut OsRng); - let mut y_vec = ScalarVector::new(g_bold.len()); - y_vec[0] = y; - for i in 1 .. y_vec.len() { - y_vec[i] = y_vec[i - 1] * y; - } - - for i in 0 .. i { - a[i] = Scalar::random(&mut OsRng); - b[i] = Scalar::random(&mut OsRng); - } - - #[allow(non_snake_case)] - let P = g_bold.multiexp(&a) + - h_bold.multiexp(&b) + - (g * a.clone().weighted_inner_product(&b, &y_vec)) + - (h * alpha); - - let statement = WipStatement::new(generators, P, y); - let witness = WipWitness::new(a, b, alpha).unwrap(); - - let transcript = Scalar::random(&mut OsRng); - let proof = statement.clone().prove(&mut OsRng, transcript, &witness).unwrap(); - statement.verify(&mut OsRng, &mut verifier, transcript, proof); - } - assert!(verifier.verify()); -} diff --git a/networks/monero/ringct/clsag/Cargo.toml b/networks/monero/ringct/clsag/Cargo.toml deleted file mode 100644 index 801717c7..00000000 --- a/networks/monero/ringct/clsag/Cargo.toml +++ /dev/null @@ -1,65 +0,0 @@ -[package] -name = "monero-clsag" -version = "0.1.0" -description = "The CLSAG linkable ring signature, as defined by the Monero protocol" -license = "MIT" -repository = "https://github.com/serai-dex/serai/tree/develop/networks/monero/ringct/clsag" -authors = ["Luke Parker "] -edition = "2021" -rust-version = "1.80" - -[package.metadata.docs.rs] -all-features = true -rustdoc-args = ["--cfg", "docsrs"] - -[lints] -workspace = true - -[dependencies] -std-shims = { path = "../../../../common/std-shims", version = "^0.1.1", default-features = false } - -thiserror = { version = "1", default-features = false, optional = true } - -rand_core = { version = "0.6", default-features = false } -zeroize = { version = "^1.5", default-features = false, features = ["zeroize_derive"] } -subtle = { version = "^2.4", default-features = false } - -# Cryptographic dependencies -curve25519-dalek = { version = "4", default-features = false, features = ["alloc", "zeroize"] } - -# Multisig dependencies -rand_chacha = { version = "0.3", default-features = false, optional = true } -transcript = { package = "flexible-transcript", path = "../../../../crypto/transcript", version = "0.3", default-features = false, features = ["recommended"], optional = true } -group = { version = "0.13", default-features = false, optional = true } -dalek-ff-group = { path = "../../../../crypto/dalek-ff-group", version = "0.4", default-features = false, optional = true } -frost = { package = "modular-frost", path = "../../../../crypto/frost", default-features = false, features = ["ed25519"], optional = true } - -# Other Monero dependencies -monero-io = { path = "../../io", version = "0.1", default-features = false } -monero-generators = { path = "../../generators", version = "0.4", default-features = false } -monero-primitives = { path = "../../primitives", version = "0.1", default-features = false } - -[dev-dependencies] -frost = { package = "modular-frost", path = "../../../../crypto/frost", default-features = false, features = ["ed25519", "tests"] } - -[features] -std = [ - "std-shims/std", - - "thiserror", - - "rand_core/std", - "zeroize/std", - "subtle/std", - - "rand_chacha?/std", - "transcript?/std", - "group?/alloc", - "dalek-ff-group?/std", - - "monero-io/std", - "monero-generators/std", - "monero-primitives/std", -] -multisig = ["rand_chacha", "transcript", "group", "dalek-ff-group", "frost", "std"] -default = ["std"] diff --git a/networks/monero/ringct/clsag/LICENSE b/networks/monero/ringct/clsag/LICENSE deleted file mode 100644 index 91d893c1..00000000 --- a/networks/monero/ringct/clsag/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2022-2024 Luke Parker - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/networks/monero/ringct/clsag/README.md b/networks/monero/ringct/clsag/README.md deleted file mode 100644 index 4b90c86c..00000000 --- a/networks/monero/ringct/clsag/README.md +++ /dev/null @@ -1,15 +0,0 @@ -# Monero CLSAG - -The CLSAG linkable ring signature, as defined by the Monero protocol. - -Additionally included is a FROST-inspired threshold multisignature algorithm. - -This library is usable under no-std when the `std` feature (on by default) is -disabled. - -### Cargo Features - -- `std` (on by default): Enables `std` (and with it, more efficient internal - implementations). -- `multisig`: Provides a FROST-inspired threshold multisignature algorithm for - use. diff --git a/networks/monero/ringct/clsag/src/lib.rs b/networks/monero/ringct/clsag/src/lib.rs deleted file mode 100644 index eb2f81b7..00000000 --- a/networks/monero/ringct/clsag/src/lib.rs +++ /dev/null @@ -1,434 +0,0 @@ -#![cfg_attr(docsrs, feature(doc_auto_cfg))] -#![doc = include_str!("../README.md")] -#![deny(missing_docs)] -#![cfg_attr(not(feature = "std"), no_std)] -#![allow(non_snake_case)] - -use core::ops::Deref; -use std_shims::{ - vec, - vec::Vec, - io::{self, Read, Write}, -}; - -use rand_core::{RngCore, CryptoRng}; - -use zeroize::{Zeroize, ZeroizeOnDrop, Zeroizing}; -use subtle::{ConstantTimeEq, ConditionallySelectable}; - -use curve25519_dalek::{ - constants::{ED25519_BASEPOINT_TABLE, ED25519_BASEPOINT_POINT}, - scalar::Scalar, - traits::{IsIdentity, MultiscalarMul, VartimePrecomputedMultiscalarMul}, - edwards::{EdwardsPoint, VartimeEdwardsPrecomputation}, -}; - -use monero_io::*; -use monero_generators::hash_to_point; -use monero_primitives::{INV_EIGHT, G_PRECOMP, Commitment, Decoys, keccak256_to_scalar}; - -#[cfg(feature = "multisig")] -mod multisig; -#[cfg(feature = "multisig")] -pub use multisig::{ClsagMultisigMaskSender, ClsagAddendum, ClsagMultisig}; - -#[cfg(all(feature = "std", test))] -mod tests; - -/// Errors when working with CLSAGs. -#[derive(Clone, Copy, PartialEq, Eq, Debug)] -#[cfg_attr(feature = "std", derive(thiserror::Error))] -pub enum ClsagError { - /// The ring was invalid (such as being too small or too large). - #[cfg_attr(feature = "std", error("invalid ring"))] - InvalidRing, - /// The discrete logarithm of the key, scaling G, wasn't equivalent to the signing ring member. - #[cfg_attr(feature = "std", error("invalid commitment"))] - InvalidKey, - /// The commitment opening provided did not match the ring member's. - #[cfg_attr(feature = "std", error("invalid commitment"))] - InvalidCommitment, - /// The key image was invalid (such as being identity or torsioned) - #[cfg_attr(feature = "std", error("invalid key image"))] - InvalidImage, - /// The `D` component was invalid. - #[cfg_attr(feature = "std", error("invalid D"))] - InvalidD, - /// The `s` vector was invalid. - #[cfg_attr(feature = "std", error("invalid s"))] - InvalidS, - /// The `c1` variable was invalid. - #[cfg_attr(feature = "std", error("invalid c1"))] - InvalidC1, -} - -/// Context on the input being signed for. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize, ZeroizeOnDrop)] -pub struct ClsagContext { - // The opening for the commitment of the signing ring member - commitment: Commitment, - // Selected ring members' positions, signer index, and ring - decoys: Decoys, -} - -impl ClsagContext { - /// Create a new context, as necessary for signing. - pub fn new(decoys: Decoys, commitment: Commitment) -> Result { - if decoys.len() > u8::MAX.into() { - Err(ClsagError::InvalidRing)?; - } - - // Validate the commitment matches - if decoys.signer_ring_members()[1] != commitment.calculate() { - Err(ClsagError::InvalidCommitment)?; - } - - Ok(ClsagContext { commitment, decoys }) - } -} - -#[allow(clippy::large_enum_variant)] -enum Mode { - Sign { signer_index: u8, A: EdwardsPoint, AH: EdwardsPoint }, - Verify { c1: Scalar, D_serialized: EdwardsPoint }, -} - -// Core of the CLSAG algorithm, applicable to both sign and verify with minimal differences -// -// Said differences are covered via the above Mode -fn core( - ring: &[[EdwardsPoint; 2]], - I: &EdwardsPoint, - pseudo_out: &EdwardsPoint, - msg_hash: &[u8; 32], - D_torsion_free: &EdwardsPoint, - s: &[Scalar], - A_c1: &Mode, -) -> ((EdwardsPoint, Scalar, Scalar), Scalar) { - let n = ring.len(); - - let images_precomp = match A_c1 { - Mode::Sign { .. } => None, - Mode::Verify { .. } => Some(VartimeEdwardsPrecomputation::new([I, D_torsion_free])), - }; - let D_inv_eight = D_torsion_free * INV_EIGHT(); - - // Generate the transcript - // Instead of generating multiple, a single transcript is created and then edited as needed - const PREFIX: &[u8] = b"CLSAG_"; - #[rustfmt::skip] - const AGG_0: &[u8] = b"agg_0"; - #[rustfmt::skip] - const ROUND: &[u8] = b"round"; - const PREFIX_AGG_0_LEN: usize = PREFIX.len() + AGG_0.len(); - - let mut to_hash = Vec::with_capacity(((2 * n) + 5) * 32); - to_hash.extend(PREFIX); - to_hash.extend(AGG_0); - to_hash.extend([0; 32 - PREFIX_AGG_0_LEN]); - - let mut P = Vec::with_capacity(n); - for member in ring { - P.push(member[0]); - to_hash.extend(member[0].compress().to_bytes()); - } - - let mut C = Vec::with_capacity(n); - for member in ring { - C.push(member[1] - pseudo_out); - to_hash.extend(member[1].compress().to_bytes()); - } - - to_hash.extend(I.compress().to_bytes()); - match A_c1 { - Mode::Sign { .. } => { - to_hash.extend(D_inv_eight.compress().to_bytes()); - } - Mode::Verify { D_serialized, .. } => { - to_hash.extend(D_serialized.compress().to_bytes()); - } - } - to_hash.extend(pseudo_out.compress().to_bytes()); - // mu_P with agg_0 - let mu_P = keccak256_to_scalar(&to_hash); - // mu_C with agg_1 - to_hash[PREFIX_AGG_0_LEN - 1] = b'1'; - let mu_C = keccak256_to_scalar(&to_hash); - - // Truncate it for the round transcript, altering the DST as needed - to_hash.truncate(((2 * n) + 1) * 32); - for i in 0 .. ROUND.len() { - to_hash[PREFIX.len() + i] = ROUND[i]; - } - // Unfortunately, it's I D pseudo_out instead of pseudo_out I D, meaning this needs to be - // truncated just to add it back - to_hash.extend(pseudo_out.compress().to_bytes()); - to_hash.extend(msg_hash); - - // Configure the loop based on if we're signing or verifying - let start; - let end; - let mut c; - match A_c1 { - Mode::Sign { signer_index, A, AH } => { - let signer_index = usize::from(*signer_index); - start = signer_index + 1; - end = signer_index + n; - to_hash.extend(A.compress().to_bytes()); - to_hash.extend(AH.compress().to_bytes()); - c = keccak256_to_scalar(&to_hash); - } - - Mode::Verify { c1, .. } => { - start = 0; - end = n; - c = *c1; - } - } - - // Perform the core loop - let mut c1 = c; - for i in (start .. end).map(|i| i % n) { - let c_p = mu_P * c; - let c_c = mu_C * c; - - // (s_i * G) + (c_p * P_i) + (c_c * C_i) - let L = match A_c1 { - Mode::Sign { .. } => { - EdwardsPoint::multiscalar_mul([s[i], c_p, c_c], [ED25519_BASEPOINT_POINT, P[i], C[i]]) - } - Mode::Verify { .. } => { - G_PRECOMP().vartime_mixed_multiscalar_mul([s[i]], [c_p, c_c], [P[i], C[i]]) - } - }; - - let PH = hash_to_point(P[i].compress().0); - - // (c_p * I) + (c_c * D) + (s_i * PH) - let R = match A_c1 { - Mode::Sign { .. } => { - EdwardsPoint::multiscalar_mul([c_p, c_c, s[i]], [I, D_torsion_free, &PH]) - } - Mode::Verify { .. } => images_precomp - .as_ref() - .expect("value populated when verifying wasn't populated") - .vartime_mixed_multiscalar_mul([c_p, c_c], [s[i]], [PH]), - }; - - to_hash.truncate(((2 * n) + 3) * 32); - to_hash.extend(L.compress().to_bytes()); - to_hash.extend(R.compress().to_bytes()); - c = keccak256_to_scalar(&to_hash); - - // This will only execute once and shouldn't need to be constant time. Making it constant time - // removes the risk of branch prediction creating timing differences depending on ring index - // however - c1.conditional_assign(&c, i.ct_eq(&(n - 1))); - } - - // This first tuple is needed to continue signing, the latter is the c to be tested/worked with - ((D_inv_eight, c * mu_P, c * mu_C), c1) -} - -/// The CLSAG signature, as used in Monero. -#[derive(Clone, PartialEq, Eq, Debug)] -pub struct Clsag { - /// The difference of the commitment randomnesses, scaling the key image generator. - pub D: EdwardsPoint, - /// The responses for each ring member. - pub s: Vec, - /// The first challenge in the ring. - pub c1: Scalar, -} - -struct ClsagSignCore { - incomplete_clsag: Clsag, - pseudo_out: EdwardsPoint, - key_challenge: Scalar, - challenged_mask: Scalar, -} - -impl Clsag { - // Sign core is the extension of core as needed for signing, yet is shared between single signer - // and multisig, hence why it's still core - fn sign_core( - rng: &mut R, - I: &EdwardsPoint, - input: &ClsagContext, - mask: Scalar, - msg_hash: &[u8; 32], - A: EdwardsPoint, - AH: EdwardsPoint, - ) -> ClsagSignCore { - let signer_index = input.decoys.signer_index(); - - let pseudo_out = Commitment::new(mask, input.commitment.amount).calculate(); - let mask_delta = input.commitment.mask - mask; - - let H = hash_to_point(input.decoys.ring()[usize::from(signer_index)][0].compress().0); - let D = H * mask_delta; - let mut s = Vec::with_capacity(input.decoys.ring().len()); - for _ in 0 .. input.decoys.ring().len() { - s.push(Scalar::random(rng)); - } - let ((D, c_p, c_c), c1) = core( - input.decoys.ring(), - I, - &pseudo_out, - msg_hash, - &D, - &s, - &Mode::Sign { signer_index, A, AH }, - ); - - ClsagSignCore { - incomplete_clsag: Clsag { D, s, c1 }, - pseudo_out, - key_challenge: c_p, - challenged_mask: c_c * mask_delta, - } - } - - /// Sign CLSAG signatures for the provided inputs. - /// - /// Monero ensures the rerandomized input commitments have the same value as the outputs by - /// checking `sum(rerandomized_input_commitments) - sum(output_commitments) == 0`. This requires - /// not only the amounts balance, yet also - /// `sum(input_commitment_masks) - sum(output_commitment_masks)`. - /// - /// Monero solves this by following the wallet protocol to determine each output commitment's - /// randomness, then using random masks for all but the last input. The last input is - /// rerandomized to the necessary mask for the equation to balance. - /// - /// Due to Monero having this behavior, it only makes sense to sign CLSAGs as a list, hence this - /// API being the way it is. - /// - /// `inputs` is of the form (discrete logarithm of the key, context). - /// - /// `sum_outputs` is for the sum of the output commitments' masks. - /// - /// WARNING: This follows the Fiat-Shamir transcript format used by the Monero protocol, which - /// makes assumptions on what has already been transcripted and bound to within `msg_hash`. Do - /// not use this if you don't know what you're doing. - pub fn sign( - rng: &mut R, - mut inputs: Vec<(Zeroizing, ClsagContext)>, - sum_outputs: Scalar, - msg_hash: [u8; 32], - ) -> Result, ClsagError> { - // Create the key images - let mut key_image_generators = vec![]; - let mut key_images = vec![]; - for input in &inputs { - let key = input.1.decoys.signer_ring_members()[0]; - - // Check the key is consistent - if (ED25519_BASEPOINT_TABLE * input.0.deref()) != key { - Err(ClsagError::InvalidKey)?; - } - - let key_image_generator = hash_to_point(key.compress().0); - key_image_generators.push(key_image_generator); - key_images.push(key_image_generator * input.0.deref()); - } - - let mut res = Vec::with_capacity(inputs.len()); - let mut sum_pseudo_outs = Scalar::ZERO; - for i in 0 .. inputs.len() { - let mask; - // If this is the last input, set the mask as described above - if i == (inputs.len() - 1) { - mask = sum_outputs - sum_pseudo_outs; - } else { - mask = Scalar::random(rng); - sum_pseudo_outs += mask; - } - - let mut nonce = Zeroizing::new(Scalar::random(rng)); - let ClsagSignCore { mut incomplete_clsag, pseudo_out, key_challenge, challenged_mask } = - Clsag::sign_core( - rng, - &key_images[i], - &inputs[i].1, - mask, - &msg_hash, - nonce.deref() * ED25519_BASEPOINT_TABLE, - nonce.deref() * key_image_generators[i], - ); - // Effectively r - c x, except c x is (c_p x) + (c_c z), where z is the delta between the - // ring member's commitment and our pseudo-out commitment (which will only have a known - // discrete log over G if the amounts cancel out) - incomplete_clsag.s[usize::from(inputs[i].1.decoys.signer_index())] = - nonce.deref() - ((key_challenge * inputs[i].0.deref()) + challenged_mask); - let clsag = incomplete_clsag; - - // Zeroize private keys and nonces. - inputs[i].0.zeroize(); - nonce.zeroize(); - - debug_assert!(clsag - .verify(inputs[i].1.decoys.ring(), &key_images[i], &pseudo_out, &msg_hash) - .is_ok()); - - res.push((clsag, pseudo_out)); - } - - Ok(res) - } - - /// Verify a CLSAG signature for the provided context. - /// - /// WARNING: This follows the Fiat-Shamir transcript format used by the Monero protocol, which - /// makes assumptions on what has already been transcripted and bound to within `msg_hash`. Do - /// not use this if you don't know what you're doing. - pub fn verify( - &self, - ring: &[[EdwardsPoint; 2]], - I: &EdwardsPoint, - pseudo_out: &EdwardsPoint, - msg_hash: &[u8; 32], - ) -> Result<(), ClsagError> { - // Preliminary checks - // s, c1, and points must also be encoded canonically, which is checked at time of decode - if ring.is_empty() { - Err(ClsagError::InvalidRing)?; - } - if ring.len() != self.s.len() { - Err(ClsagError::InvalidS)?; - } - if I.is_identity() || (!I.is_torsion_free()) { - Err(ClsagError::InvalidImage)?; - } - - let D_torsion_free = self.D.mul_by_cofactor(); - if D_torsion_free.is_identity() { - Err(ClsagError::InvalidD)?; - } - - let (_, c1) = core( - ring, - I, - pseudo_out, - msg_hash, - &D_torsion_free, - &self.s, - &Mode::Verify { c1: self.c1, D_serialized: self.D }, - ); - if c1 != self.c1 { - Err(ClsagError::InvalidC1)?; - } - Ok(()) - } - - /// Write a CLSAG. - pub fn write(&self, w: &mut W) -> io::Result<()> { - write_raw_vec(write_scalar, &self.s, w)?; - w.write_all(&self.c1.to_bytes())?; - write_point(&self.D, w) - } - - /// Read a CLSAG. - pub fn read(decoys: usize, r: &mut R) -> io::Result { - Ok(Clsag { s: read_raw_vec(read_scalar, decoys, r)?, c1: read_scalar(r)?, D: read_point(r)? }) - } -} diff --git a/networks/monero/ringct/clsag/src/multisig.rs b/networks/monero/ringct/clsag/src/multisig.rs deleted file mode 100644 index 5fc098ad..00000000 --- a/networks/monero/ringct/clsag/src/multisig.rs +++ /dev/null @@ -1,389 +0,0 @@ -use core::{ops::Deref, fmt::Debug}; -use std_shims::{ - sync::{Arc, Mutex}, - io::{self, Read, Write}, - collections::HashMap, -}; - -use rand_core::{RngCore, CryptoRng, SeedableRng}; -use rand_chacha::ChaCha20Rng; - -use zeroize::{Zeroize, Zeroizing}; - -use curve25519_dalek::{scalar::Scalar, edwards::EdwardsPoint}; - -use group::{ - ff::{Field, PrimeField}, - Group, GroupEncoding, -}; - -use transcript::{Transcript, RecommendedTranscript}; -use dalek_ff_group as dfg; -use frost::{ - dkg::lagrange, - curve::Ed25519, - Participant, FrostError, ThresholdKeys, ThresholdView, - algorithm::{WriteAddendum, Algorithm}, -}; - -use monero_generators::hash_to_point; - -use crate::{ClsagContext, Clsag}; - -impl ClsagContext { - fn transcript(&self, transcript: &mut T) { - // Doesn't domain separate as this is considered part of the larger CLSAG proof - - // Ring index - transcript.append_message(b"signer_index", [self.decoys.signer_index()]); - - // Ring - for (i, pair) in self.decoys.ring().iter().enumerate() { - // Doesn't include global output indexes as CLSAG doesn't care/won't be affected by it - // They're just a unreliable reference to this data which will be included in the message - // if somehow relevant - transcript.append_message(b"member", [u8::try_from(i).expect("ring size exceeded 255")]); - // This also transcripts the key image generator since it's derived from this key - transcript.append_message(b"key", pair[0].compress().to_bytes()); - transcript.append_message(b"commitment", pair[1].compress().to_bytes()) - } - - // Doesn't include the commitment's parts as the above ring + index includes the commitment - // The only potential malleability would be if the G/H relationship is known, breaking the - // discrete log problem, which breaks everything already - } -} - -/// A channel to send the mask to use for the pseudo-out (rerandomized commitment) with. -/// -/// A mask must be sent along this channel before any preprocess addendums are handled. -#[derive(Debug)] -pub struct ClsagMultisigMaskSender { - buf: Arc>>, -} -#[derive(Debug)] -struct ClsagMultisigMaskReceiver { - buf: Arc>>, -} -impl ClsagMultisigMaskSender { - fn new() -> (ClsagMultisigMaskSender, ClsagMultisigMaskReceiver) { - let buf = Arc::new(Mutex::new(None)); - (ClsagMultisigMaskSender { buf: buf.clone() }, ClsagMultisigMaskReceiver { buf }) - } - - /// Send a mask to a CLSAG multisig instance. - pub fn send(self, mask: Scalar) { - // There is no risk this was prior set as this consumes `self`, which does not implement - // `Clone` - *self.buf.lock() = Some(mask); - } -} -impl ClsagMultisigMaskReceiver { - fn recv(self) -> Option { - *self.buf.lock() - } -} - -/// Addendum produced during the signing process. -#[derive(Clone, PartialEq, Eq, Zeroize, Debug)] -pub struct ClsagAddendum { - key_image_share: dfg::EdwardsPoint, -} - -impl ClsagAddendum { - /// The key image share within this addendum. - pub fn key_image_share(&self) -> dfg::EdwardsPoint { - self.key_image_share - } -} - -impl WriteAddendum for ClsagAddendum { - fn write(&self, writer: &mut W) -> io::Result<()> { - writer.write_all(self.key_image_share.compress().to_bytes().as_ref()) - } -} - -#[allow(non_snake_case)] -#[derive(Clone, PartialEq, Eq, Debug)] -struct Interim { - p: Scalar, - c: Scalar, - - clsag: Clsag, - pseudo_out: EdwardsPoint, -} - -/// FROST-inspired algorithm for producing a CLSAG signature. -/// -/// Before this has its `process_addendum` called, a mask must be set. -/// -/// The message signed is expected to be a 32-byte value. Per Monero, it's the keccak256 hash of -/// the transaction data which is signed. This will panic if the message is not a 32-byte value. -#[allow(non_snake_case)] -#[derive(Debug)] -pub struct ClsagMultisig { - transcript: RecommendedTranscript, - - key_image_generator: EdwardsPoint, - key_image_shares: HashMap<[u8; 32], dfg::EdwardsPoint>, - image: Option, - - context: ClsagContext, - - mask_recv: Option, - mask: Option, - - msg_hash: Option<[u8; 32]>, - interim: Option, -} - -impl ClsagMultisig { - /// Construct a new instance of multisignature CLSAG signing. - pub fn new( - transcript: RecommendedTranscript, - context: ClsagContext, - ) -> (ClsagMultisig, ClsagMultisigMaskSender) { - let (mask_send, mask_recv) = ClsagMultisigMaskSender::new(); - ( - ClsagMultisig { - transcript, - - key_image_generator: hash_to_point(context.decoys.signer_ring_members()[0].compress().0), - key_image_shares: HashMap::new(), - image: None, - - context, - - mask_recv: Some(mask_recv), - mask: None, - - msg_hash: None, - interim: None, - }, - mask_send, - ) - } - - /// The key image generator used by the signer. - pub fn key_image_generator(&self) -> EdwardsPoint { - self.key_image_generator - } -} - -impl Algorithm for ClsagMultisig { - type Transcript = RecommendedTranscript; - type Addendum = ClsagAddendum; - // We output the CLSAG and the key image, which requires an interactive protocol to obtain - type Signature = (Clsag, EdwardsPoint); - - // We need the nonce represented against both G and the key image generator - fn nonces(&self) -> Vec> { - vec![vec![dfg::EdwardsPoint::generator(), dfg::EdwardsPoint(self.key_image_generator)]] - } - - // We also publish our share of the key image - fn preprocess_addendum( - &mut self, - _rng: &mut R, - keys: &ThresholdKeys, - ) -> ClsagAddendum { - ClsagAddendum { - key_image_share: dfg::EdwardsPoint(self.key_image_generator) * keys.secret_share().deref(), - } - } - - fn read_addendum(&self, reader: &mut R) -> io::Result { - let mut bytes = [0; 32]; - reader.read_exact(&mut bytes)?; - // dfg ensures the point is torsion free - let xH = Option::::from(dfg::EdwardsPoint::from_bytes(&bytes)) - .ok_or_else(|| io::Error::other("invalid key image"))?; - // Ensure this is a canonical point - if xH.to_bytes() != bytes { - Err(io::Error::other("non-canonical key image"))?; - } - - Ok(ClsagAddendum { key_image_share: xH }) - } - - fn process_addendum( - &mut self, - view: &ThresholdView, - l: Participant, - addendum: ClsagAddendum, - ) -> Result<(), FrostError> { - if self.image.is_none() { - self.transcript.domain_separate(b"CLSAG"); - // Transcript the ring - self.context.transcript(&mut self.transcript); - // Fetch the mask from the Mutex - // We set it to a variable to ensure our view of it is consistent - // It was this or a mpsc channel... std doesn't have oneshot :/ - self.mask = Some( - self - .mask_recv - .take() - .expect("image was none multiple times, despite setting to Some on first iteration") - .recv() - .ok_or(FrostError::InternalError("CLSAG mask was not provided"))?, - ); - // Transcript the mask - self.transcript.append_message(b"mask", self.mask.expect("mask wasn't set").to_bytes()); - - // Init the image to the offset - self.image = Some(dfg::EdwardsPoint(self.key_image_generator) * view.offset()); - } - - // Transcript this participant's contribution - self.transcript.append_message(b"participant", l.to_bytes()); - self - .transcript - .append_message(b"key_image_share", addendum.key_image_share.compress().to_bytes()); - - // Accumulate the interpolated share - let interpolated_key_image_share = - addendum.key_image_share * lagrange::(l, view.included()); - *self.image.as_mut().expect("image populated on first iteration wasn't Some") += - interpolated_key_image_share; - - self - .key_image_shares - .insert(view.verification_share(l).to_bytes(), interpolated_key_image_share); - - Ok(()) - } - - fn transcript(&mut self) -> &mut Self::Transcript { - &mut self.transcript - } - - fn sign_share( - &mut self, - view: &ThresholdView, - nonce_sums: &[Vec], - nonces: Vec>, - msg_hash: &[u8], - ) -> dfg::Scalar { - // Use the transcript to get a seeded random number generator - // - // The transcript contains private data, preventing passive adversaries from recreating this - // process even if they have access to the commitments/key image share broadcast so far - // - // Specifically, the transcript contains the signer's index within the ring, along with the - // opening of the commitment being re-randomized (and what it's re-randomized to) - let mut rng = ChaCha20Rng::from_seed(self.transcript.rng_seed(b"decoy_responses")); - - let msg_hash = msg_hash.try_into().expect("CLSAG message hash should be 32-bytes"); - self.msg_hash = Some(msg_hash); - - let sign_core = Clsag::sign_core( - &mut rng, - &self.image.expect("verifying a share despite never processing any addendums").0, - &self.context, - self.mask.expect("mask wasn't set"), - &msg_hash, - nonce_sums[0][0].0, - nonce_sums[0][1].0, - ); - self.interim = Some(Interim { - p: sign_core.key_challenge, - c: sign_core.challenged_mask, - clsag: sign_core.incomplete_clsag, - pseudo_out: sign_core.pseudo_out, - }); - - // r - p x, where p is the challenge for the keys - *nonces[0] - dfg::Scalar(sign_core.key_challenge) * view.secret_share().deref() - } - - #[must_use] - fn verify( - &self, - _: dfg::EdwardsPoint, - _: &[Vec], - sum: dfg::Scalar, - ) -> Option { - let interim = self.interim.as_ref().expect("verify called before sign_share"); - let mut clsag = interim.clsag.clone(); - // We produced shares as `r - p x`, yet the signature is actually `r - p x - c x` - // Substract `c x` (saved as `c`) now - clsag.s[usize::from(self.context.decoys.signer_index())] = sum.0 - interim.c; - if clsag - .verify( - self.context.decoys.ring(), - &self.image.expect("verifying a signature despite never processing any addendums").0, - &interim.pseudo_out, - self.msg_hash.as_ref().expect("verify called before sign_share"), - ) - .is_ok() - { - return Some((clsag, interim.pseudo_out)); - } - None - } - - fn verify_share( - &self, - verification_share: dfg::EdwardsPoint, - nonces: &[Vec], - share: dfg::Scalar, - ) -> Result, ()> { - let interim = self.interim.as_ref().expect("verify_share called before sign_share"); - - // For a share `r - p x`, the following two equalities should hold: - // - `(r - p x)G == R.0 - pV`, where `V = xG` - // - `(r - p x)H == R.1 - pK`, where `K = xH` (the key image share) - // - // This is effectively a discrete log equality proof for: - // V, K over G, H - // with nonces - // R.0, R.1 - // and solution - // s - // - // Which is a batch-verifiable rewrite of the traditional CP93 proof - // (and also writable as Generalized Schnorr Protocol) - // - // That means that given a proper challenge, this alone can be certainly argued to prove the - // key image share is well-formed and the provided signature so proves for that. - - // This is a bit funky as it doesn't prove the nonces are well-formed however. They're part of - // the prover data/transcript for a CP93/GSP proof, not part of the statement. This practically - // is fine, for a variety of reasons (given a consistent `x`, a consistent `r` can be - // extracted, and the nonces as used in CLSAG are also part of its prover data/transcript). - - let key_image_share = self.key_image_shares[&verification_share.to_bytes()]; - - // Hash every variable relevant here, using the hash output as the random weight - let mut weight_transcript = - RecommendedTranscript::new(b"monero-serai v0.1 ClsagMultisig::verify_share"); - weight_transcript.append_message(b"G", dfg::EdwardsPoint::generator().to_bytes()); - weight_transcript.append_message(b"H", self.key_image_generator.to_bytes()); - weight_transcript.append_message(b"xG", verification_share.to_bytes()); - weight_transcript.append_message(b"xH", key_image_share.to_bytes()); - weight_transcript.append_message(b"rG", nonces[0][0].to_bytes()); - weight_transcript.append_message(b"rH", nonces[0][1].to_bytes()); - weight_transcript.append_message(b"c", dfg::Scalar(interim.p).to_repr()); - weight_transcript.append_message(b"s", share.to_repr()); - let weight = weight_transcript.challenge(b"weight"); - let weight = dfg::Scalar(Scalar::from_bytes_mod_order_wide(&weight.into())); - - let part_one = vec![ - (share, dfg::EdwardsPoint::generator()), - // -(R.0 - pV) == -R.0 + pV - (-dfg::Scalar::ONE, nonces[0][0]), - (dfg::Scalar(interim.p), verification_share), - ]; - - let mut part_two = vec![ - (weight * share, dfg::EdwardsPoint(self.key_image_generator)), - // -(R.1 - pK) == -R.1 + pK - (-weight, nonces[0][1]), - (weight * dfg::Scalar(interim.p), key_image_share), - ]; - - let mut all = part_one; - all.append(&mut part_two); - Ok(all) - } -} diff --git a/networks/monero/ringct/clsag/src/tests.rs b/networks/monero/ringct/clsag/src/tests.rs deleted file mode 100644 index ff994445..00000000 --- a/networks/monero/ringct/clsag/src/tests.rs +++ /dev/null @@ -1,131 +0,0 @@ -use core::ops::Deref; - -use zeroize::Zeroizing; -use rand_core::{RngCore, OsRng}; - -use curve25519_dalek::{constants::ED25519_BASEPOINT_TABLE, scalar::Scalar}; - -#[cfg(feature = "multisig")] -use transcript::{Transcript, RecommendedTranscript}; -#[cfg(feature = "multisig")] -use frost::curve::Ed25519; - -use monero_generators::hash_to_point; -use monero_primitives::{Commitment, Decoys}; -use crate::{ClsagContext, Clsag}; -#[cfg(feature = "multisig")] -use crate::ClsagMultisig; - -#[cfg(feature = "multisig")] -use frost::{ - Participant, - sign::AlgorithmMachine, - tests::{key_gen, algorithm_machines_without_clone, sign_without_clone}, -}; - -const RING_LEN: u64 = 11; -const AMOUNT: u64 = 1337; - -#[cfg(feature = "multisig")] -const RING_INDEX: u8 = 3; - -#[test] -fn clsag() { - for real in 0 .. RING_LEN { - let msg_hash = [1; 32]; - - let mut secrets = (Zeroizing::new(Scalar::ZERO), Scalar::ZERO); - let mut ring = vec![]; - for i in 0 .. RING_LEN { - let dest = Zeroizing::new(Scalar::random(&mut OsRng)); - let mask = Scalar::random(&mut OsRng); - let amount; - if i == real { - secrets = (dest.clone(), mask); - amount = AMOUNT; - } else { - amount = OsRng.next_u64(); - } - ring - .push([dest.deref() * ED25519_BASEPOINT_TABLE, Commitment::new(mask, amount).calculate()]); - } - - let (mut clsag, pseudo_out) = Clsag::sign( - &mut OsRng, - vec![( - secrets.0.clone(), - ClsagContext::new( - Decoys::new((1 ..= RING_LEN).collect(), u8::try_from(real).unwrap(), ring.clone()) - .unwrap(), - Commitment::new(secrets.1, AMOUNT), - ) - .unwrap(), - )], - Scalar::random(&mut OsRng), - msg_hash, - ) - .unwrap() - .swap_remove(0); - - let image = - hash_to_point((ED25519_BASEPOINT_TABLE * secrets.0.deref()).compress().0) * secrets.0.deref(); - clsag.verify(&ring, &image, &pseudo_out, &msg_hash).unwrap(); - - // make sure verification fails if we throw a random `c1` at it. - clsag.c1 = Scalar::random(&mut OsRng); - assert!(clsag.verify(&ring, &image, &pseudo_out, &msg_hash).is_err()); - } -} - -#[cfg(feature = "multisig")] -#[test] -fn clsag_multisig() { - let keys = key_gen::<_, Ed25519>(&mut OsRng); - - let randomness = Scalar::random(&mut OsRng); - let mut ring = vec![]; - for i in 0 .. RING_LEN { - let dest; - let mask; - let amount; - if i != u64::from(RING_INDEX) { - dest = &Scalar::random(&mut OsRng) * ED25519_BASEPOINT_TABLE; - mask = Scalar::random(&mut OsRng); - amount = OsRng.next_u64(); - } else { - dest = keys[&Participant::new(1).unwrap()].group_key().0; - mask = randomness; - amount = AMOUNT; - } - ring.push([dest, Commitment::new(mask, amount).calculate()]); - } - - let mask = Scalar::random(&mut OsRng); - let params = || { - let (algorithm, mask_send) = ClsagMultisig::new( - RecommendedTranscript::new(b"Monero Serai CLSAG Test"), - ClsagContext::new( - Decoys::new((1 ..= RING_LEN).collect(), RING_INDEX, ring.clone()).unwrap(), - Commitment::new(randomness, AMOUNT), - ) - .unwrap(), - ); - mask_send.send(mask); - algorithm - }; - - sign_without_clone( - &mut OsRng, - keys.clone(), - keys.values().map(|keys| (keys.params().i(), params())).collect(), - algorithm_machines_without_clone( - &mut OsRng, - &keys, - keys - .values() - .map(|keys| (keys.params().i(), AlgorithmMachine::new(params(), keys.clone()))) - .collect(), - ), - &[1; 32], - ); -} diff --git a/networks/monero/ringct/mlsag/Cargo.toml b/networks/monero/ringct/mlsag/Cargo.toml deleted file mode 100644 index d666ebfa..00000000 --- a/networks/monero/ringct/mlsag/Cargo.toml +++ /dev/null @@ -1,45 +0,0 @@ -[package] -name = "monero-mlsag" -version = "0.1.0" -description = "The MLSAG linkable ring signature, as defined by the Monero protocol" -license = "MIT" -repository = "https://github.com/serai-dex/serai/tree/develop/networks/monero/ringct/mlsag" -authors = ["Luke Parker "] -edition = "2021" -rust-version = "1.80" - -[package.metadata.docs.rs] -all-features = true -rustdoc-args = ["--cfg", "docsrs"] - -[lints] -workspace = true - -[dependencies] -std-shims = { path = "../../../../common/std-shims", version = "^0.1.1", default-features = false } - -thiserror = { version = "1", default-features = false, optional = true } - -zeroize = { version = "^1.5", default-features = false, features = ["zeroize_derive"] } - -# Cryptographic dependencies -curve25519-dalek = { version = "4", default-features = false, features = ["alloc", "zeroize"] } - -# Other Monero dependencies -monero-io = { path = "../../io", version = "0.1", default-features = false } -monero-generators = { path = "../../generators", version = "0.4", default-features = false } -monero-primitives = { path = "../../primitives", version = "0.1", default-features = false } - -[features] -std = [ - "std-shims/std", - - "thiserror", - - "zeroize/std", - - "monero-io/std", - "monero-generators/std", - "monero-primitives/std", -] -default = ["std"] diff --git a/networks/monero/ringct/mlsag/LICENSE b/networks/monero/ringct/mlsag/LICENSE deleted file mode 100644 index 91d893c1..00000000 --- a/networks/monero/ringct/mlsag/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2022-2024 Luke Parker - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/networks/monero/ringct/mlsag/README.md b/networks/monero/ringct/mlsag/README.md deleted file mode 100644 index 40e979b6..00000000 --- a/networks/monero/ringct/mlsag/README.md +++ /dev/null @@ -1,11 +0,0 @@ -# Monero MLSAG - -The MLSAG linkable ring signature, as defined by the Monero protocol. - -This library is usable under no-std when the `std` feature (on by default) is -disabled. - -### Cargo Features - -- `std` (on by default): Enables `std` (and with it, more efficient internal - implementations). diff --git a/networks/monero/ringct/mlsag/src/lib.rs b/networks/monero/ringct/mlsag/src/lib.rs deleted file mode 100644 index ac2e482f..00000000 --- a/networks/monero/ringct/mlsag/src/lib.rs +++ /dev/null @@ -1,242 +0,0 @@ -#![cfg_attr(docsrs, feature(doc_auto_cfg))] -#![doc = include_str!("../README.md")] -#![deny(missing_docs)] -#![cfg_attr(not(feature = "std"), no_std)] -#![allow(non_snake_case)] - -use std_shims::{ - vec, - vec::Vec, - io::{self, Read, Write}, -}; - -use zeroize::Zeroize; - -use curve25519_dalek::{traits::IsIdentity, Scalar, EdwardsPoint}; - -use monero_io::*; -use monero_generators::{H, hash_to_point}; -use monero_primitives::keccak256_to_scalar; - -/// Errors when working with MLSAGs. -#[derive(Clone, Copy, PartialEq, Eq, Debug)] -#[cfg_attr(feature = "std", derive(thiserror::Error))] -pub enum MlsagError { - /// Invalid ring (such as too small or too large). - #[cfg_attr(feature = "std", error("invalid ring"))] - InvalidRing, - /// Invalid amount of key images. - #[cfg_attr(feature = "std", error("invalid amount of key images"))] - InvalidAmountOfKeyImages, - /// Invalid ss matrix. - #[cfg_attr(feature = "std", error("invalid ss"))] - InvalidSs, - /// Invalid key image. - #[cfg_attr(feature = "std", error("invalid key image"))] - InvalidKeyImage, - /// Invalid ci vector. - #[cfg_attr(feature = "std", error("invalid ci"))] - InvalidCi, -} - -/// A vector of rings, forming a matrix, to verify the MLSAG with. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub struct RingMatrix { - matrix: Vec>, -} - -impl RingMatrix { - /// Construct a ring matrix from an already formatted series of points. - fn new(matrix: Vec>) -> Result { - // Monero requires that there is more than one ring member for MLSAG signatures: - // https://github.com/monero-project/monero/blob/ac02af92867590ca80b2779a7bbeafa99ff94dcb/ - // src/ringct/rctSigs.cpp#L462 - if matrix.len() < 2 { - Err(MlsagError::InvalidRing)?; - } - for member in &matrix { - if member.is_empty() || (member.len() != matrix[0].len()) { - Err(MlsagError::InvalidRing)?; - } - } - - Ok(RingMatrix { matrix }) - } - - /// Construct a ring matrix for an individual output. - pub fn individual( - ring: &[[EdwardsPoint; 2]], - pseudo_out: EdwardsPoint, - ) -> Result { - let mut matrix = Vec::with_capacity(ring.len()); - for ring_member in ring { - matrix.push(vec![ring_member[0], ring_member[1] - pseudo_out]); - } - RingMatrix::new(matrix) - } - - /// Iterate over the members of the matrix. - fn iter(&self) -> impl Iterator { - self.matrix.iter().map(AsRef::as_ref) - } - - /// Get the amount of members in the ring. - pub fn members(&self) -> usize { - self.matrix.len() - } - - /// Get the length of a ring member. - /// - /// A ring member is a vector of points for which the signer knows all of the discrete logarithms - /// of. - pub fn member_len(&self) -> usize { - // this is safe to do as the constructors don't allow empty rings - self.matrix[0].len() - } -} - -/// The MLSAG linkable ring signature, as used in Monero. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub struct Mlsag { - ss: Vec>, - cc: Scalar, -} - -impl Mlsag { - /// Write a MLSAG. - pub fn write(&self, w: &mut W) -> io::Result<()> { - for ss in &self.ss { - write_raw_vec(write_scalar, ss, w)?; - } - write_scalar(&self.cc, w) - } - - /// Read a MLSAG. - pub fn read(mixins: usize, ss_2_elements: usize, r: &mut R) -> io::Result { - Ok(Mlsag { - ss: (0 .. mixins) - .map(|_| read_raw_vec(read_scalar, ss_2_elements, r)) - .collect::>()?, - cc: read_scalar(r)?, - }) - } - - /// Verify a MLSAG. - /// - /// WARNING: This follows the Fiat-Shamir transcript format used by the Monero protocol, which - /// makes assumptions on what has already been transcripted and bound to within `msg`. Do not use - /// this if you don't know what you're doing. - pub fn verify( - &self, - msg: &[u8; 32], - ring: &RingMatrix, - key_images: &[EdwardsPoint], - ) -> Result<(), MlsagError> { - // Mlsag allows for layers to not need linkability, hence they don't need key images - // Monero requires that there is always only 1 non-linkable layer - the amount commitments. - if ring.member_len() != (key_images.len() + 1) { - Err(MlsagError::InvalidAmountOfKeyImages)?; - } - - let mut buf = Vec::with_capacity(6 * 32); - buf.extend_from_slice(msg); - - let mut ci = self.cc; - - // This is an iterator over the key images as options with an added entry of `None` at the - // end for the non-linkable layer - let key_images_iter = key_images.iter().map(|ki| Some(*ki)).chain(core::iter::once(None)); - - if ring.matrix.len() != self.ss.len() { - Err(MlsagError::InvalidSs)?; - } - - for (ring_member, ss) in ring.iter().zip(&self.ss) { - if ring_member.len() != ss.len() { - Err(MlsagError::InvalidSs)?; - } - - for ((ring_member_entry, s), ki) in ring_member.iter().zip(ss).zip(key_images_iter.clone()) { - #[allow(non_snake_case)] - let L = EdwardsPoint::vartime_double_scalar_mul_basepoint(&ci, ring_member_entry, s); - - let compressed_ring_member_entry = ring_member_entry.compress(); - buf.extend_from_slice(compressed_ring_member_entry.as_bytes()); - buf.extend_from_slice(L.compress().as_bytes()); - - // Not all dimensions need to be linkable, e.g. commitments, and only linkable layers need - // to have key images. - if let Some(ki) = ki { - if ki.is_identity() || (!ki.is_torsion_free()) { - Err(MlsagError::InvalidKeyImage)?; - } - - #[allow(non_snake_case)] - let R = (s * hash_to_point(compressed_ring_member_entry.to_bytes())) + (ci * ki); - buf.extend_from_slice(R.compress().as_bytes()); - } - } - - ci = keccak256_to_scalar(&buf); - // keep the msg in the buffer. - buf.drain(msg.len() ..); - } - - if ci != self.cc { - Err(MlsagError::InvalidCi)? - } - Ok(()) - } -} - -/// Builder for a RingMatrix when using an aggregate signature. -/// -/// This handles the formatting as necessary. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub struct AggregateRingMatrixBuilder { - key_ring: Vec>, - amounts_ring: Vec, - sum_out: EdwardsPoint, -} - -impl AggregateRingMatrixBuilder { - /// Create a new AggregateRingMatrixBuilder. - /// - /// This takes in the transaction's outputs' commitments and fee used. - pub fn new(commitments: &[EdwardsPoint], fee: u64) -> Self { - AggregateRingMatrixBuilder { - key_ring: vec![], - amounts_ring: vec![], - sum_out: commitments.iter().sum::() + (*H * Scalar::from(fee)), - } - } - - /// Push a ring of [output key, commitment] to the matrix. - pub fn push_ring(&mut self, ring: &[[EdwardsPoint; 2]]) -> Result<(), MlsagError> { - if self.key_ring.is_empty() { - self.key_ring = vec![vec![]; ring.len()]; - // Now that we know the length of the ring, fill the `amounts_ring`. - self.amounts_ring = vec![-self.sum_out; ring.len()]; - } - - if (self.amounts_ring.len() != ring.len()) || ring.is_empty() { - // All the rings in an aggregate matrix must be the same length. - return Err(MlsagError::InvalidRing); - } - - for (i, ring_member) in ring.iter().enumerate() { - self.key_ring[i].push(ring_member[0]); - self.amounts_ring[i] += ring_member[1] - } - - Ok(()) - } - - /// Build and return the [`RingMatrix`]. - pub fn build(mut self) -> Result { - for (i, amount_commitment) in self.amounts_ring.drain(..).enumerate() { - self.key_ring[i].push(amount_commitment); - } - RingMatrix::new(self.key_ring) - } -} diff --git a/networks/monero/rpc/Cargo.toml b/networks/monero/rpc/Cargo.toml deleted file mode 100644 index e5e6a650..00000000 --- a/networks/monero/rpc/Cargo.toml +++ /dev/null @@ -1,47 +0,0 @@ -[package] -name = "monero-rpc" -version = "0.1.0" -description = "Trait for an RPC connection to a Monero daemon, built around monero-serai" -license = "MIT" -repository = "https://github.com/serai-dex/serai/tree/develop/networks/monero/rpc" -authors = ["Luke Parker "] -edition = "2021" -rust-version = "1.80" - -[package.metadata.docs.rs] -all-features = true -rustdoc-args = ["--cfg", "docsrs"] - -[lints] -workspace = true - -[dependencies] -std-shims = { path = "../../../common/std-shims", version = "^0.1.1", default-features = false } - -thiserror = { version = "1", default-features = false, optional = true } - -zeroize = { version = "^1.5", default-features = false, features = ["zeroize_derive"] } -hex = { version = "0.4", default-features = false, features = ["alloc"] } -serde = { version = "1", default-features = false, features = ["derive", "alloc"] } -serde_json = { version = "1", default-features = false, features = ["alloc"] } - -curve25519-dalek = { version = "4", default-features = false, features = ["alloc", "zeroize"] } - -monero-serai = { path = "..", default-features = false } -monero-address = { path = "../wallet/address", default-features = false } - -[features] -std = [ - "std-shims/std", - - "thiserror", - - "zeroize/std", - "hex/std", - "serde/std", - "serde_json/std", - - "monero-serai/std", - "monero-address/std", -] -default = ["std"] diff --git a/networks/monero/rpc/LICENSE b/networks/monero/rpc/LICENSE deleted file mode 100644 index 91d893c1..00000000 --- a/networks/monero/rpc/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2022-2024 Luke Parker - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/networks/monero/rpc/README.md b/networks/monero/rpc/README.md deleted file mode 100644 index 4badf1d8..00000000 --- a/networks/monero/rpc/README.md +++ /dev/null @@ -1,11 +0,0 @@ -# Monero RPC - -Trait for an RPC connection to a Monero daemon, built around monero-serai. - -This library is usable under no-std when the `std` feature (on by default) is -disabled. - -### Cargo Features - -- `std` (on by default): Enables `std` (and with it, more efficient internal - implementations). diff --git a/networks/monero/rpc/simple-request/Cargo.toml b/networks/monero/rpc/simple-request/Cargo.toml deleted file mode 100644 index 9698c7d6..00000000 --- a/networks/monero/rpc/simple-request/Cargo.toml +++ /dev/null @@ -1,30 +0,0 @@ -[package] -name = "monero-simple-request-rpc" -version = "0.1.0" -description = "RPC connection to a Monero daemon via simple-request, built around monero-serai" -license = "MIT" -repository = "https://github.com/serai-dex/serai/tree/develop/networks/monero/rpc/simple-request" -authors = ["Luke Parker "] -edition = "2021" -rust-version = "1.80" - -[package.metadata.docs.rs] -all-features = true -rustdoc-args = ["--cfg", "docsrs"] - -[lints] -workspace = true - -[dependencies] -hex = { version = "0.4", default-features = false, features = ["alloc"] } -zeroize = { version = "^1.5", default-features = false, features = ["alloc", "std"] } -digest_auth = { version = "0.3", default-features = false } -simple-request = { path = "../../../../common/request", version = "0.1", default-features = false, features = ["tls"] } -tokio = { version = "1", default-features = false } - -monero-rpc = { path = "..", default-features = false, features = ["std"] } - -[dev-dependencies] -monero-address = { path = "../../wallet/address", default-features = false, features = ["std"] } - -tokio = { version = "1", default-features = false, features = ["macros"] } diff --git a/networks/monero/rpc/simple-request/LICENSE b/networks/monero/rpc/simple-request/LICENSE deleted file mode 100644 index 91d893c1..00000000 --- a/networks/monero/rpc/simple-request/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2022-2024 Luke Parker - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/networks/monero/rpc/simple-request/README.md b/networks/monero/rpc/simple-request/README.md deleted file mode 100644 index 947e777e..00000000 --- a/networks/monero/rpc/simple-request/README.md +++ /dev/null @@ -1,3 +0,0 @@ -# Monero simple-request RPC - -RPC connection to a Monero daemon via simple-request, built around monero-serai. diff --git a/networks/monero/rpc/simple-request/src/lib.rs b/networks/monero/rpc/simple-request/src/lib.rs deleted file mode 100644 index 0b53e209..00000000 --- a/networks/monero/rpc/simple-request/src/lib.rs +++ /dev/null @@ -1,278 +0,0 @@ -#![cfg_attr(docsrs, feature(doc_auto_cfg))] -#![doc = include_str!("../README.md")] -#![deny(missing_docs)] - -use core::future::Future; -use std::{sync::Arc, io::Read, time::Duration}; - -use tokio::sync::Mutex; - -use zeroize::Zeroizing; -use digest_auth::{WwwAuthenticateHeader, AuthContext}; -use simple_request::{ - hyper::{StatusCode, header::HeaderValue, Request}, - Response, Client, -}; - -use monero_rpc::{RpcError, Rpc}; - -const DEFAULT_TIMEOUT: Duration = Duration::from_secs(30); - -#[derive(Clone, Debug)] -enum Authentication { - // If unauthenticated, use a single client - Unauthenticated(Client), - // If authenticated, use a single client which supports being locked and tracks its nonce - // This ensures that if a nonce is requested, another caller doesn't make a request invalidating - // it - Authenticated { - username: Zeroizing, - password: Zeroizing, - #[allow(clippy::type_complexity)] - connection: Arc, Client)>>, - }, -} - -/// An HTTP(S) transport for the RPC. -/// -/// Requires tokio. -#[derive(Clone, Debug)] -pub struct SimpleRequestRpc { - authentication: Authentication, - url: String, - request_timeout: Duration, -} - -impl SimpleRequestRpc { - fn digest_auth_challenge( - response: &Response, - ) -> Result, RpcError> { - Ok(if let Some(header) = response.headers().get("www-authenticate") { - Some(( - digest_auth::parse(header.to_str().map_err(|_| { - RpcError::InvalidNode("www-authenticate header wasn't a string".to_string()) - })?) - .map_err(|_| RpcError::InvalidNode("invalid digest-auth response".to_string()))?, - 0, - )) - } else { - None - }) - } - - /// Create a new HTTP(S) RPC connection. - /// - /// A daemon requiring authentication can be used via including the username and password in the - /// URL. - pub async fn new(url: String) -> Result { - Self::with_custom_timeout(url, DEFAULT_TIMEOUT).await - } - - /// Create a new HTTP(S) RPC connection with a custom timeout. - /// - /// A daemon requiring authentication can be used via including the username and password in the - /// URL. - pub async fn with_custom_timeout( - mut url: String, - request_timeout: Duration, - ) -> Result { - let authentication = if url.contains('@') { - // Parse out the username and password - let url_clone = Zeroizing::new(url); - let split_url = url_clone.split('@').collect::>(); - if split_url.len() != 2 { - Err(RpcError::ConnectionError("invalid amount of login specifications".to_string()))?; - } - let mut userpass = split_url[0]; - url = split_url[1].to_string(); - - // If there was additionally a protocol string, restore that to the daemon URL - if userpass.contains("://") { - let split_userpass = userpass.split("://").collect::>(); - if split_userpass.len() != 2 { - Err(RpcError::ConnectionError("invalid amount of protocol specifications".to_string()))?; - } - url = split_userpass[0].to_string() + "://" + &url; - userpass = split_userpass[1]; - } - - let split_userpass = userpass.split(':').collect::>(); - if split_userpass.len() > 2 { - Err(RpcError::ConnectionError("invalid amount of passwords".to_string()))?; - } - - let client = Client::without_connection_pool(&url) - .map_err(|_| RpcError::ConnectionError("invalid URL".to_string()))?; - // Obtain the initial challenge, which also somewhat validates this connection - let challenge = Self::digest_auth_challenge( - &client - .request( - Request::post(url.clone()) - .body(vec![].into()) - .map_err(|e| RpcError::ConnectionError(format!("couldn't make request: {e:?}")))?, - ) - .await - .map_err(|e| RpcError::ConnectionError(format!("{e:?}")))?, - )?; - Authentication::Authenticated { - username: Zeroizing::new(split_userpass[0].to_string()), - password: Zeroizing::new((*split_userpass.get(1).unwrap_or(&"")).to_string()), - connection: Arc::new(Mutex::new((challenge, client))), - } - } else { - Authentication::Unauthenticated(Client::with_connection_pool()) - }; - - Ok(SimpleRequestRpc { authentication, url, request_timeout }) - } -} - -impl SimpleRequestRpc { - async fn inner_post(&self, route: &str, body: Vec) -> Result, RpcError> { - let request_fn = |uri| { - Request::post(uri) - .body(body.clone().into()) - .map_err(|e| RpcError::ConnectionError(format!("couldn't make request: {e:?}"))) - }; - - async fn body_from_response(response: Response<'_>) -> Result, RpcError> { - let mut res = Vec::with_capacity(128); - response - .body() - .await - .map_err(|e| RpcError::ConnectionError(format!("{e:?}")))? - .read_to_end(&mut res) - .map_err(|e| RpcError::ConnectionError(format!("{e:?}")))?; - Ok(res) - } - - for attempt in 0 .. 2 { - return Ok(match &self.authentication { - Authentication::Unauthenticated(client) => { - body_from_response( - client - .request(request_fn(self.url.clone() + "/" + route)?) - .await - .map_err(|e| RpcError::ConnectionError(format!("{e:?}")))?, - ) - .await? - } - Authentication::Authenticated { username, password, connection } => { - let mut connection_lock = connection.lock().await; - - let mut request = request_fn("/".to_string() + route)?; - - // If we don't have an auth challenge, obtain one - if connection_lock.0.is_none() { - connection_lock.0 = Self::digest_auth_challenge( - &connection_lock - .1 - .request(request) - .await - .map_err(|e| RpcError::ConnectionError(format!("{e:?}")))?, - )?; - request = request_fn("/".to_string() + route)?; - } - - // Insert the challenge response, if we have a challenge - if let Some((challenge, cnonce)) = connection_lock.0.as_mut() { - // Update the cnonce - // Overflow isn't a concern as this is a u64 - *cnonce += 1; - - let mut context = AuthContext::new_post::<_, _, _, &[u8]>( - <_ as AsRef>::as_ref(username), - <_ as AsRef>::as_ref(password), - "/".to_string() + route, - None, - ); - context.set_custom_cnonce(hex::encode(cnonce.to_le_bytes())); - - request.headers_mut().insert( - "Authorization", - HeaderValue::from_str( - &challenge - .respond(&context) - .map_err(|_| { - RpcError::InvalidNode("couldn't respond to digest-auth challenge".to_string()) - })? - .to_header_string(), - ) - .map_err(|_| { - RpcError::InternalError( - "digest-auth challenge response wasn't a valid string for an HTTP header" - .to_string(), - ) - })?, - ); - } - - let response = connection_lock - .1 - .request(request) - .await - .map_err(|e| RpcError::ConnectionError(format!("{e:?}"))); - - let (error, is_stale) = match &response { - Err(e) => (Some(e.clone()), false), - Ok(response) => ( - None, - if response.status() == StatusCode::UNAUTHORIZED { - if let Some(header) = response.headers().get("www-authenticate") { - header - .to_str() - .map_err(|_| { - RpcError::InvalidNode("www-authenticate header wasn't a string".to_string()) - })? - .contains("stale") - } else { - false - } - } else { - false - }, - ), - }; - - // If the connection entered an error state, drop the cached challenge as challenges are - // per-connection - // We don't need to create a new connection as simple-request will for us - if error.is_some() || is_stale { - connection_lock.0 = None; - // If we're not already on our second attempt, move to the next loop iteration - // (retrying all of this once) - if attempt == 0 { - continue; - } - if let Some(e) = error { - Err(e)? - } else { - debug_assert!(is_stale); - Err(RpcError::InvalidNode( - "node claimed fresh connection had stale authentication".to_string(), - ))? - } - } else { - body_from_response(response.expect("no response yet also no error?")).await? - } - } - }); - } - - unreachable!() - } -} - -impl Rpc for SimpleRequestRpc { - fn post( - &self, - route: &str, - body: Vec, - ) -> impl Send + Future, RpcError>> { - async move { - tokio::time::timeout(self.request_timeout, self.inner_post(route, body)) - .await - .map_err(|e| RpcError::ConnectionError(format!("{e:?}")))? - } - } -} diff --git a/networks/monero/rpc/simple-request/tests/tests.rs b/networks/monero/rpc/simple-request/tests/tests.rs deleted file mode 100644 index 2f7964d6..00000000 --- a/networks/monero/rpc/simple-request/tests/tests.rs +++ /dev/null @@ -1,144 +0,0 @@ -use std::sync::LazyLock; -use tokio::sync::Mutex; - -use monero_address::{Network, MoneroAddress}; - -// monero-rpc doesn't include a transport -// We can't include the simple-request crate there as then we'd have a cyclical dependency -// Accordingly, we test monero-rpc here (implicitly testing the simple-request transport) -use monero_simple_request_rpc::*; - -static SEQUENTIAL: LazyLock> = LazyLock::new(|| Mutex::new(())); - -const ADDRESS: &str = - "4B33mFPMq6mKi7Eiyd5XuyKRVMGVZz1Rqb9ZTyGApXW5d1aT7UBDZ89ewmnWFkzJ5wPd2SFbn313vCT8a4E2Qf4KQH4pNey"; - -#[tokio::test] -async fn test_rpc() { - use monero_rpc::Rpc; - - let guard = SEQUENTIAL.lock().await; - - let rpc = - SimpleRequestRpc::new("http://serai:seraidex@127.0.0.1:18081".to_string()).await.unwrap(); - - { - // Test get_height - let height = rpc.get_height().await.unwrap(); - // The height should be the amount of blocks on chain - // The number of a block should be its zero-indexed position - // Accordingly, there should be no block whose number is the height - assert!(rpc.get_block_by_number(height).await.is_err()); - let block_number = height - 1; - // There should be a block just prior - let block = rpc.get_block_by_number(block_number).await.unwrap(); - - // Also test the block RPC routes are consistent - assert_eq!(block.number().unwrap(), block_number); - assert_eq!(rpc.get_block(block.hash()).await.unwrap(), block); - assert_eq!(rpc.get_block_hash(block_number).await.unwrap(), block.hash()); - - // And finally the hardfork version route - assert_eq!(rpc.get_hardfork_version().await.unwrap(), block.header.hardfork_version); - } - - // Test generate_blocks - for amount_of_blocks in [1, 5] { - let (blocks, number) = rpc - .generate_blocks( - &MoneroAddress::from_str(Network::Mainnet, ADDRESS).unwrap(), - amount_of_blocks, - ) - .await - .unwrap(); - let height = rpc.get_height().await.unwrap(); - assert_eq!(number, height - 1); - - let mut actual_blocks = Vec::with_capacity(amount_of_blocks); - for i in (height - amount_of_blocks) .. height { - actual_blocks.push(rpc.get_block_by_number(i).await.unwrap().hash()); - } - assert_eq!(blocks, actual_blocks); - } - - drop(guard); -} - -#[tokio::test] -async fn test_decoy_rpc() { - use monero_rpc::{Rpc, DecoyRpc}; - - let guard = SEQUENTIAL.lock().await; - - let rpc = - SimpleRequestRpc::new("http://serai:seraidex@127.0.0.1:18081".to_string()).await.unwrap(); - - // Ensure there's blocks on-chain - rpc - .generate_blocks(&MoneroAddress::from_str(Network::Mainnet, ADDRESS).unwrap(), 100) - .await - .unwrap(); - - // Test get_output_distribution - // Our documentation for our Rust fn defines it as taking two block numbers - { - let distribution_len = rpc.get_output_distribution_end_height().await.unwrap(); - assert_eq!(distribution_len, rpc.get_height().await.unwrap()); - - rpc.get_output_distribution(0 ..= distribution_len).await.unwrap_err(); - assert_eq!( - rpc.get_output_distribution(0 .. distribution_len).await.unwrap().len(), - distribution_len - ); - assert_eq!( - rpc.get_output_distribution(.. distribution_len).await.unwrap().len(), - distribution_len - ); - - assert_eq!( - rpc.get_output_distribution(.. (distribution_len - 1)).await.unwrap().len(), - distribution_len - 1 - ); - assert_eq!( - rpc.get_output_distribution(1 .. distribution_len).await.unwrap().len(), - distribution_len - 1 - ); - - assert_eq!(rpc.get_output_distribution(0 ..= 0).await.unwrap().len(), 1); - assert_eq!(rpc.get_output_distribution(0 ..= 1).await.unwrap().len(), 2); - assert_eq!(rpc.get_output_distribution(1 ..= 1).await.unwrap().len(), 1); - - rpc.get_output_distribution(0 .. 0).await.unwrap_err(); - #[allow(clippy::reversed_empty_ranges)] - rpc.get_output_distribution(1 .. 0).await.unwrap_err(); - } - - drop(guard); -} - -// This test passes yet requires a mainnet node, which we don't have reliable access to in CI. -/* -#[tokio::test] -async fn test_zero_out_tx_o_indexes() { - use monero_rpc::Rpc; - - let guard = SEQUENTIAL.lock().await; - - let rpc = SimpleRequestRpc::new("https://node.sethforprivacy.com".to_string()).await.unwrap(); - - assert_eq!( - rpc - .get_o_indexes( - hex::decode("17ce4c8feeb82a6d6adaa8a89724b32bf4456f6909c7f84c8ce3ee9ebba19163") - .unwrap() - .try_into() - .unwrap() - ) - .await - .unwrap(), - Vec::::new() - ); - - drop(guard); -} -*/ diff --git a/networks/monero/rpc/src/lib.rs b/networks/monero/rpc/src/lib.rs deleted file mode 100644 index d59ba821..00000000 --- a/networks/monero/rpc/src/lib.rs +++ /dev/null @@ -1,1310 +0,0 @@ -#![cfg_attr(docsrs, feature(doc_auto_cfg))] -#![doc = include_str!("../README.md")] -#![deny(missing_docs)] -#![cfg_attr(not(feature = "std"), no_std)] - -use core::{ - future::Future, - fmt::Debug, - ops::{Bound, RangeBounds}, -}; -use std_shims::{ - alloc::format, - vec, - vec::Vec, - io, - string::{String, ToString}, -}; - -use zeroize::Zeroize; - -use curve25519_dalek::edwards::{CompressedEdwardsY, EdwardsPoint}; - -use serde::{Serialize, Deserialize, de::DeserializeOwned}; -use serde_json::{Value, json}; - -use monero_serai::{ - io::*, - transaction::{Input, Timelock, Pruned, Transaction}, - block::Block, - DEFAULT_LOCK_WINDOW, -}; -use monero_address::Address; - -// Number of blocks the fee estimate will be valid for -// https://github.com/monero-project/monero/blob/94e67bf96bbc010241f29ada6abc89f49a81759c -// /src/wallet/wallet2.cpp#L121 -const GRACE_BLOCKS_FOR_FEE_ESTIMATE: u64 = 10; - -// Monero errors if more than 100 is requested unless using a non-restricted RPC -// https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 -// /src/rpc/core_rpc_server.cpp#L75 -const TXS_PER_REQUEST: usize = 100; - -/// An error from the RPC. -#[derive(Clone, PartialEq, Eq, Debug)] -#[cfg_attr(feature = "std", derive(thiserror::Error))] -pub enum RpcError { - /// An internal error. - #[cfg_attr(feature = "std", error("internal error ({0})"))] - InternalError(String), - /// A connection error with the node. - #[cfg_attr(feature = "std", error("connection error ({0})"))] - ConnectionError(String), - /// The node is invalid per the expected protocol. - #[cfg_attr(feature = "std", error("invalid node ({0})"))] - InvalidNode(String), - /// Requested transactions weren't found. - #[cfg_attr(feature = "std", error("transactions not found"))] - TransactionsNotFound(Vec<[u8; 32]>), - /// The transaction was pruned. - /// - /// Pruned transactions are not supported at this time. - #[cfg_attr(feature = "std", error("pruned transaction"))] - PrunedTransaction, - /// A transaction (sent or received) was invalid. - #[cfg_attr(feature = "std", error("invalid transaction ({0:?})"))] - InvalidTransaction([u8; 32]), - /// The returned fee was unusable. - #[cfg_attr(feature = "std", error("unexpected fee response"))] - InvalidFee, - /// The priority intended for use wasn't usable. - #[cfg_attr(feature = "std", error("invalid priority"))] - InvalidPriority, -} - -/// A block which is able to be scanned. -#[derive(Clone, PartialEq, Eq, Debug)] -pub struct ScannableBlock { - /// The block which is being scanned. - pub block: Block, - /// The non-miner transactions within this block. - pub transactions: Vec>, - /// The output index for the first RingCT output within this block. - /// - /// None if there are no RingCT outputs within this block, Some otherwise. - pub output_index_for_first_ringct_output: Option, -} - -/// A struct containing a fee rate. -/// -/// The fee rate is defined as a per-weight cost, along with a mask for rounding purposes. -#[derive(Clone, Copy, PartialEq, Eq, Debug, Zeroize)] -pub struct FeeRate { - /// The fee per-weight of the transaction. - per_weight: u64, - /// The mask to round with. - mask: u64, -} - -impl FeeRate { - /// Construct a new fee rate. - pub fn new(per_weight: u64, mask: u64) -> Result { - if (per_weight == 0) || (mask == 0) { - Err(RpcError::InvalidFee)?; - } - Ok(FeeRate { per_weight, mask }) - } - - /// Write the FeeRate. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn write(&self, w: &mut impl io::Write) -> io::Result<()> { - w.write_all(&self.per_weight.to_le_bytes())?; - w.write_all(&self.mask.to_le_bytes()) - } - - /// Serialize the FeeRate to a `Vec`. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn serialize(&self) -> Vec { - let mut res = Vec::with_capacity(16); - self.write(&mut res).expect("write failed but doesn't fail"); - res - } - - /// Read a FeeRate. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn read(r: &mut impl io::Read) -> io::Result { - let per_weight = read_u64(r)?; - let mask = read_u64(r)?; - FeeRate::new(per_weight, mask).map_err(io::Error::other) - } - - /// Calculate the fee to use from the weight. - /// - /// This function may panic upon overflow. - pub fn calculate_fee_from_weight(&self, weight: usize) -> u64 { - let fee = - self.per_weight * u64::try_from(weight).expect("couldn't convert weight (usize) to u64"); - let fee = fee.div_ceil(self.mask) * self.mask; - debug_assert_eq!( - Some(weight), - self.calculate_weight_from_fee(fee), - "Miscalculated weight from fee" - ); - fee - } - - /// Calculate the weight from the fee. - /// - /// Returns `None` if the weight would not fit within a `usize`. - pub fn calculate_weight_from_fee(&self, fee: u64) -> Option { - usize::try_from(fee / self.per_weight).ok() - } -} - -/// The priority for the fee. -/// -/// Higher-priority transactions will be included in blocks earlier. -#[derive(Clone, Copy, PartialEq, Eq, Debug)] -#[allow(non_camel_case_types)] -pub enum FeePriority { - /// The `Unimportant` priority, as defined by Monero. - Unimportant, - /// The `Normal` priority, as defined by Monero. - Normal, - /// The `Elevated` priority, as defined by Monero. - Elevated, - /// The `Priority` priority, as defined by Monero. - Priority, - /// A custom priority. - Custom { - /// The numeric representation of the priority, as used within the RPC. - priority: u32, - }, -} - -/// https://github.com/monero-project/monero/blob/ac02af92867590ca80b2779a7bbeafa99ff94dcb/ -/// src/simplewallet/simplewallet.cpp#L161 -impl FeePriority { - pub(crate) fn fee_priority(&self) -> u32 { - match self { - FeePriority::Unimportant => 1, - FeePriority::Normal => 2, - FeePriority::Elevated => 3, - FeePriority::Priority => 4, - FeePriority::Custom { priority, .. } => *priority, - } - } -} - -#[derive(Debug, Deserialize)] -struct JsonRpcResponse { - result: T, -} - -#[derive(Debug, Deserialize)] -struct TransactionResponse { - tx_hash: String, - as_hex: String, - pruned_as_hex: String, -} -#[derive(Debug, Deserialize)] -struct TransactionsResponse { - #[serde(default)] - missed_tx: Vec, - txs: Vec, -} - -/// The response to an query for the information of a RingCT output. -#[derive(Clone, Copy, PartialEq, Eq, Debug)] -pub struct OutputInformation { - /// The block number of the block this output was added to the chain in. - /// - /// This is equivalent to he height of the blockchain at the time the block was added. - pub height: usize, - /// If the output is unlocked, per the node's local view. - pub unlocked: bool, - /// The output's key. - /// - /// This is a CompressedEdwardsY, not an EdwardsPoint, as it may be invalid. CompressedEdwardsY - /// only asserts validity on decompression and allows representing compressed types. - pub key: CompressedEdwardsY, - /// The output's commitment. - pub commitment: EdwardsPoint, - /// The transaction which created this output. - pub transaction: [u8; 32], -} - -fn rpc_hex(value: &str) -> Result, RpcError> { - hex::decode(value).map_err(|_| RpcError::InvalidNode("expected hex wasn't hex".to_string())) -} - -fn hash_hex(hash: &str) -> Result<[u8; 32], RpcError> { - rpc_hex(hash)?.try_into().map_err(|_| RpcError::InvalidNode("hash wasn't 32-bytes".to_string())) -} - -fn rpc_point(point: &str) -> Result { - decompress_point( - rpc_hex(point)? - .try_into() - .map_err(|_| RpcError::InvalidNode(format!("invalid point: {point}")))?, - ) - .ok_or_else(|| RpcError::InvalidNode(format!("invalid point: {point}"))) -} - -/// An RPC connection to a Monero daemon. -/// -/// This is abstract such that users can use an HTTP library (which being their choice), a -/// Tor/i2p-based transport, or even a memory buffer an external service somehow routes. -/// -/// While no implementors are directly provided, [monero-simple-request-rpc]( -/// https://github.com/serai-dex/serai/tree/develop/networks/monero/rpc/simple-request -/// ) is recommended. -pub trait Rpc: Sync + Clone { - /// Perform a POST request to the specified route with the specified body. - /// - /// The implementor is left to handle anything such as authentication. - fn post( - &self, - route: &str, - body: Vec, - ) -> impl Send + Future, RpcError>>; - - /// Perform a RPC call to the specified route with the provided parameters. - /// - /// This is NOT a JSON-RPC call. They use a route of "json_rpc" and are available via - /// `json_rpc_call`. - fn rpc_call( - &self, - route: &str, - params: Option, - ) -> impl Send + Future> { - async move { - let res = self - .post( - route, - if let Some(params) = params.as_ref() { - serde_json::to_string(params) - .map_err(|e| { - RpcError::InternalError(format!( - "couldn't convert parameters ({params:?}) to JSON: {e:?}" - )) - })? - .into_bytes() - } else { - vec![] - }, - ) - .await?; - let res_str = std_shims::str::from_utf8(&res) - .map_err(|_| RpcError::InvalidNode("response wasn't utf-8".to_string()))?; - serde_json::from_str(res_str) - .map_err(|_| RpcError::InvalidNode(format!("response wasn't the expected json: {res_str}"))) - } - } - - /// Perform a JSON-RPC call with the specified method with the provided parameters. - fn json_rpc_call( - &self, - method: &str, - params: Option, - ) -> impl Send + Future> { - async move { - let mut req = json!({ "method": method }); - if let Some(params) = params { - req - .as_object_mut() - .expect("accessing object as object failed?") - .insert("params".into(), params); - } - Ok(self.rpc_call::<_, JsonRpcResponse>("json_rpc", Some(req)).await?.result) - } - } - - /// Perform a binary call to the specified route with the provided parameters. - fn bin_call( - &self, - route: &str, - params: Vec, - ) -> impl Send + Future, RpcError>> { - async move { self.post(route, params).await } - } - - /// Get the active blockchain protocol version. - /// - /// This is specifically the major version within the most recent block header. - fn get_hardfork_version(&self) -> impl Send + Future> { - async move { - #[derive(Debug, Deserialize)] - struct HeaderResponse { - major_version: u8, - } - - #[derive(Debug, Deserialize)] - struct LastHeaderResponse { - block_header: HeaderResponse, - } - - Ok( - self - .json_rpc_call::("get_last_block_header", None) - .await? - .block_header - .major_version, - ) - } - } - - /// Get the height of the Monero blockchain. - /// - /// The height is defined as the amount of blocks on the blockchain. For a blockchain with only - /// its genesis block, the height will be 1. - fn get_height(&self) -> impl Send + Future> { - async move { - #[derive(Debug, Deserialize)] - struct HeightResponse { - height: usize, - } - let res = self.rpc_call::, HeightResponse>("get_height", None).await?.height; - if res == 0 { - Err(RpcError::InvalidNode("node responded with 0 for the height".to_string()))?; - } - Ok(res) - } - } - - /// Get the specified transactions. - /// - /// The received transactions will be hashed in order to verify the correct transactions were - /// returned. - fn get_transactions( - &self, - hashes: &[[u8; 32]], - ) -> impl Send + Future, RpcError>> { - async move { - if hashes.is_empty() { - return Ok(vec![]); - } - - let mut hashes_hex = hashes.iter().map(hex::encode).collect::>(); - let mut all_txs = Vec::with_capacity(hashes.len()); - while !hashes_hex.is_empty() { - let this_count = TXS_PER_REQUEST.min(hashes_hex.len()); - - let txs: TransactionsResponse = self - .rpc_call( - "get_transactions", - Some(json!({ - "txs_hashes": hashes_hex.drain(.. this_count).collect::>(), - })), - ) - .await?; - - if !txs.missed_tx.is_empty() { - Err(RpcError::TransactionsNotFound( - txs.missed_tx.iter().map(|hash| hash_hex(hash)).collect::>()?, - ))?; - } - if txs.txs.len() != this_count { - Err(RpcError::InvalidNode( - "not missing any transactions yet didn't return all transactions".to_string(), - ))?; - } - - all_txs.extend(txs.txs); - } - - all_txs - .iter() - .enumerate() - .map(|(i, res)| { - // https://github.com/monero-project/monero/issues/8311 - let buf = rpc_hex(if !res.as_hex.is_empty() { &res.as_hex } else { &res.pruned_as_hex })?; - let mut buf = buf.as_slice(); - let tx = Transaction::read(&mut buf).map_err(|_| match hash_hex(&res.tx_hash) { - Ok(hash) => RpcError::InvalidTransaction(hash), - Err(err) => err, - })?; - if !buf.is_empty() { - Err(RpcError::InvalidNode("transaction had extra bytes after it".to_string()))?; - } - - // We check this to ensure we didn't read a pruned transaction when we meant to read an - // actual transaction. That shouldn't be possible, as they have different serializations, - // yet it helps to ensure that if we applied the above exception (using the pruned data), - // it was for the right reason - if res.as_hex.is_empty() { - match tx.prefix().inputs.first() { - Some(Input::Gen { .. }) => (), - _ => Err(RpcError::PrunedTransaction)?, - } - } - - // This does run a few keccak256 hashes, which is pointless if the node is trusted - // In exchange, this provides resilience against invalid/malicious nodes - if tx.hash() != hashes[i] { - Err(RpcError::InvalidNode( - "replied with transaction wasn't the requested transaction".to_string(), - ))?; - } - - Ok(tx) - }) - .collect() - } - } - - /// Get the specified transactions in their pruned format. - fn get_pruned_transactions( - &self, - hashes: &[[u8; 32]], - ) -> impl Send + Future>, RpcError>> { - async move { - if hashes.is_empty() { - return Ok(vec![]); - } - - let mut hashes_hex = hashes.iter().map(hex::encode).collect::>(); - let mut all_txs = Vec::with_capacity(hashes.len()); - while !hashes_hex.is_empty() { - let this_count = TXS_PER_REQUEST.min(hashes_hex.len()); - - let txs: TransactionsResponse = self - .rpc_call( - "get_transactions", - Some(json!({ - "txs_hashes": hashes_hex.drain(.. this_count).collect::>(), - "prune": true, - })), - ) - .await?; - - if !txs.missed_tx.is_empty() { - Err(RpcError::TransactionsNotFound( - txs.missed_tx.iter().map(|hash| hash_hex(hash)).collect::>()?, - ))?; - } - - all_txs.extend(txs.txs); - } - - all_txs - .iter() - .map(|res| { - let buf = rpc_hex(&res.pruned_as_hex)?; - let mut buf = buf.as_slice(); - let tx = - Transaction::::read(&mut buf).map_err(|_| match hash_hex(&res.tx_hash) { - Ok(hash) => RpcError::InvalidTransaction(hash), - Err(err) => err, - })?; - if !buf.is_empty() { - Err(RpcError::InvalidNode("pruned transaction had extra bytes after it".to_string()))?; - } - Ok(tx) - }) - .collect() - } - } - - /// Get the specified transaction. - /// - /// The received transaction will be hashed in order to verify the correct transaction was - /// returned. - fn get_transaction( - &self, - tx: [u8; 32], - ) -> impl Send + Future> { - async move { self.get_transactions(&[tx]).await.map(|mut txs| txs.swap_remove(0)) } - } - - /// Get the specified transaction in its pruned format. - fn get_pruned_transaction( - &self, - tx: [u8; 32], - ) -> impl Send + Future, RpcError>> { - async move { self.get_pruned_transactions(&[tx]).await.map(|mut txs| txs.swap_remove(0)) } - } - - /// Get the hash of a block from the node. - /// - /// `number` is the block's zero-indexed position on the blockchain (`0` for the genesis block, - /// `height - 1` for the latest block). - fn get_block_hash( - &self, - number: usize, - ) -> impl Send + Future> { - async move { - #[derive(Debug, Deserialize)] - struct BlockHeaderResponse { - hash: String, - } - #[derive(Debug, Deserialize)] - struct BlockHeaderByHeightResponse { - block_header: BlockHeaderResponse, - } - - let header: BlockHeaderByHeightResponse = - self.json_rpc_call("get_block_header_by_height", Some(json!({ "height": number }))).await?; - hash_hex(&header.block_header.hash) - } - } - - /// Get a block from the node by its hash. - /// - /// The received block will be hashed in order to verify the correct block was returned. - fn get_block(&self, hash: [u8; 32]) -> impl Send + Future> { - async move { - #[derive(Debug, Deserialize)] - struct BlockResponse { - blob: String, - } - - let res: BlockResponse = - self.json_rpc_call("get_block", Some(json!({ "hash": hex::encode(hash) }))).await?; - - let block = Block::read::<&[u8]>(&mut rpc_hex(&res.blob)?.as_ref()) - .map_err(|_| RpcError::InvalidNode("invalid block".to_string()))?; - if block.hash() != hash { - Err(RpcError::InvalidNode("different block than requested (hash)".to_string()))?; - } - Ok(block) - } - } - - /// Get a block from the node by its number. - /// - /// `number` is the block's zero-indexed position on the blockchain (`0` for the genesis block, - /// `height - 1` for the latest block). - fn get_block_by_number( - &self, - number: usize, - ) -> impl Send + Future> { - async move { - #[derive(Debug, Deserialize)] - struct BlockResponse { - blob: String, - } - - let res: BlockResponse = - self.json_rpc_call("get_block", Some(json!({ "height": number }))).await?; - - let block = Block::read::<&[u8]>(&mut rpc_hex(&res.blob)?.as_ref()) - .map_err(|_| RpcError::InvalidNode("invalid block".to_string()))?; - - // Make sure this is actually the block for this number - match block.miner_transaction.prefix().inputs.first() { - Some(Input::Gen(actual)) => { - if *actual == number { - Ok(block) - } else { - Err(RpcError::InvalidNode("different block than requested (number)".to_string())) - } - } - _ => Err(RpcError::InvalidNode( - "block's miner_transaction didn't have an input of kind Input::Gen".to_string(), - )), - } - } - } - - /// Get a block's scannable form. - fn get_scannable_block( - &self, - block: Block, - ) -> impl Send + Future> { - async move { - let transactions = self.get_pruned_transactions(&block.transactions).await?; - - /* - Requesting the output index for each output we sucessfully scan would cause a loss of - privacy. We could instead request the output indexes for all outputs we scan, yet this - would notably increase the amount of RPC calls we make. - - We solve this by requesting the output index for the first RingCT output in the block, which - should be within the miner transaction. Then, as we scan transactions, we update the output - index ourselves. - - Please note we only will scan RingCT outputs so we only need to track the RingCT output - index. This decision was made due to spending CN outputs potentially having burdensome - requirements (the need to make a v1 TX due to insufficient decoys). - - We bound ourselves to only scanning RingCT outputs by only scanning v2 transactions. This is - safe and correct since: - - 1) v1 transactions cannot create RingCT outputs. - - https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 - /src/cryptonote_basic/cryptonote_format_utils.cpp#L866-L869 - - 2) v2 miner transactions implicitly create RingCT outputs. - - https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 - /src/blockchain_db/blockchain_db.cpp#L232-L241 - - 3) v2 transactions must create RingCT outputs. - - https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c45 - /src/cryptonote_core/blockchain.cpp#L3055-L3065 - - That does bound on the hard fork version being >= 3, yet all v2 TXs have a hard fork - version > 3. - - https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 - /src/cryptonote_core/blockchain.cpp#L3417 - */ - - // Get the index for the first output - let mut output_index_for_first_ringct_output = None; - let miner_tx_hash = block.miner_transaction.hash(); - let miner_tx = Transaction::::from(block.miner_transaction.clone()); - for (hash, tx) in core::iter::once((&miner_tx_hash, &miner_tx)) - .chain(block.transactions.iter().zip(&transactions)) - { - // If this isn't a RingCT output, or there are no outputs, move to the next TX - if (!matches!(tx, Transaction::V2 { .. })) || tx.prefix().outputs.is_empty() { - continue; - } - - let index = *self.get_o_indexes(*hash).await?.first().ok_or_else(|| { - RpcError::InvalidNode( - "requested output indexes for a TX with outputs and got none".to_string(), - ) - })?; - output_index_for_first_ringct_output = Some(index); - break; - } - - Ok(ScannableBlock { block, transactions, output_index_for_first_ringct_output }) - } - } - - /// Get a block's scannable form by its hash. - // TODO: get_blocks.bin - fn get_scannable_block_by_hash( - &self, - hash: [u8; 32], - ) -> impl Send + Future> { - async move { self.get_scannable_block(self.get_block(hash).await?).await } - } - - /// Get a block's scannable form by its number. - // TODO: get_blocks_by_height.bin - fn get_scannable_block_by_number( - &self, - number: usize, - ) -> impl Send + Future> { - async move { self.get_scannable_block(self.get_block_by_number(number).await?).await } - } - - /// Get the currently estimated fee rate from the node. - /// - /// This may be manipulated to unsafe levels and MUST be sanity checked. - /// - /// This MUST NOT be expected to be deterministic in any way. - fn get_fee_rate( - &self, - priority: FeePriority, - ) -> impl Send + Future> { - async move { - #[derive(Debug, Deserialize)] - struct FeeResponse { - status: String, - fees: Option>, - fee: u64, - quantization_mask: u64, - } - - let res: FeeResponse = self - .json_rpc_call( - "get_fee_estimate", - Some(json!({ "grace_blocks": GRACE_BLOCKS_FOR_FEE_ESTIMATE })), - ) - .await?; - - if res.status != "OK" { - Err(RpcError::InvalidFee)?; - } - - if let Some(fees) = res.fees { - // https://github.com/monero-project/monero/blob/94e67bf96bbc010241f29ada6abc89f49a81759c/ - // src/wallet/wallet2.cpp#L7615-L7620 - let priority_idx = usize::try_from(if priority.fee_priority() >= 4 { - 3 - } else { - priority.fee_priority().saturating_sub(1) - }) - .map_err(|_| RpcError::InvalidPriority)?; - - if priority_idx >= fees.len() { - Err(RpcError::InvalidPriority) - } else { - FeeRate::new(fees[priority_idx], res.quantization_mask) - } - } else { - // https://github.com/monero-project/monero/blob/94e67bf96bbc010241f29ada6abc89f49a81759c/ - // src/wallet/wallet2.cpp#L7569-L7584 - // https://github.com/monero-project/monero/blob/94e67bf96bbc010241f29ada6abc89f49a81759c/ - // src/wallet/wallet2.cpp#L7660-L7661 - let priority_idx = usize::try_from(if priority.fee_priority() == 0 { - 1 - } else { - priority.fee_priority() - 1 - }) - .map_err(|_| RpcError::InvalidPriority)?; - let multipliers = [1, 5, 25, 1000]; - if priority_idx >= multipliers.len() { - // though not an RPC error, it seems sensible to treat as such - Err(RpcError::InvalidPriority)?; - } - let fee_multiplier = multipliers[priority_idx]; - - FeeRate::new(res.fee * fee_multiplier, res.quantization_mask) - } - } - } - - /// Publish a transaction. - fn publish_transaction( - &self, - tx: &Transaction, - ) -> impl Send + Future> { - async move { - #[allow(dead_code)] - #[derive(Debug, Deserialize)] - struct SendRawResponse { - status: String, - double_spend: bool, - fee_too_low: bool, - invalid_input: bool, - invalid_output: bool, - low_mixin: bool, - not_relayed: bool, - overspend: bool, - too_big: bool, - too_few_outputs: bool, - reason: String, - } - - let res: SendRawResponse = self - .rpc_call( - "send_raw_transaction", - Some(json!({ "tx_as_hex": hex::encode(tx.serialize()), "do_sanity_checks": false })), - ) - .await?; - - if res.status != "OK" { - Err(RpcError::InvalidTransaction(tx.hash()))?; - } - - Ok(()) - } - } - - /// Generate blocks, with the specified address receiving the block reward. - /// - /// Returns the hashes of the generated blocks and the last block's number. - fn generate_blocks( - &self, - address: &Address, - block_count: usize, - ) -> impl Send + Future, usize), RpcError>> { - async move { - #[derive(Debug, Deserialize)] - struct BlocksResponse { - blocks: Vec, - height: usize, - } - - let res = self - .json_rpc_call::( - "generateblocks", - Some(json!({ - "wallet_address": address.to_string(), - "amount_of_blocks": block_count - })), - ) - .await?; - - let mut blocks = Vec::with_capacity(res.blocks.len()); - for block in res.blocks { - blocks.push(hash_hex(&block)?); - } - Ok((blocks, res.height)) - } - } - - /// Get the output indexes of the specified transaction. - fn get_o_indexes( - &self, - hash: [u8; 32], - ) -> impl Send + Future, RpcError>> { - async move { - // Given the immaturity of Rust epee libraries, this is a homegrown one which is only - // validated to work against this specific function - - // Header for EPEE, an 8-byte magic and a version - const EPEE_HEADER: &[u8] = b"\x01\x11\x01\x01\x01\x01\x02\x01\x01"; - - // Read an EPEE VarInt, distinct from the VarInts used throughout the rest of the protocol - fn read_epee_vi(reader: &mut R) -> io::Result { - let vi_start = read_byte(reader)?; - let len = match vi_start & 0b11 { - 0 => 1, - 1 => 2, - 2 => 4, - 3 => 8, - _ => unreachable!(), - }; - let mut vi = u64::from(vi_start >> 2); - for i in 1 .. len { - vi |= u64::from(read_byte(reader)?) << (((i - 1) * 8) + 6); - } - Ok(vi) - } - - let mut request = EPEE_HEADER.to_vec(); - // Number of fields (shifted over 2 bits as the 2 LSBs are reserved for metadata) - request.push(1 << 2); - // Length of field name - request.push(4); - // Field name - request.extend(b"txid"); - // Type of field - request.push(10); - // Length of string, since this byte array is technically a string - request.push(32 << 2); - // The "string" - request.extend(hash); - - let indexes_buf = self.bin_call("get_o_indexes.bin", request).await?; - let mut indexes: &[u8] = indexes_buf.as_ref(); - - (|| { - let mut res = None; - let mut has_status = false; - - if read_bytes::<_, { EPEE_HEADER.len() }>(&mut indexes)? != EPEE_HEADER { - Err(io::Error::other("invalid header"))?; - } - - let read_object = |reader: &mut &[u8]| -> io::Result> { - // Read the amount of fields - let fields = read_byte(reader)? >> 2; - - for _ in 0 .. fields { - // Read the length of the field's name - let name_len = read_byte(reader)?; - // Read the name of the field - let name = read_raw_vec(read_byte, name_len.into(), reader)?; - - let type_with_array_flag = read_byte(reader)?; - // The type of this field, without the potentially set array flag - let kind = type_with_array_flag & (!0x80); - let has_array_flag = type_with_array_flag != kind; - - // Read this many instances of the field - let iters = if has_array_flag { read_epee_vi(reader)? } else { 1 }; - - // Check the field type - { - #[allow(clippy::match_same_arms)] - let (expected_type, expected_array_flag) = match name.as_slice() { - b"o_indexes" => (5, true), - b"status" => (10, false), - b"untrusted" => (11, false), - b"credits" => (5, false), - b"top_hash" => (10, false), - // On-purposely prints name as a byte vector to prevent printing arbitrary strings - // This is a self-describing format so we don't have to error here, yet we don't - // claim this to be a complete deserialization function - // To ensure it works for this specific use case, it's best to ensure it's limited - // to this specific use case (ensuring we have less variables to deal with) - _ => { - Err(io::Error::other(format!("unrecognized field in get_o_indexes: {name:?}")))? - } - }; - if (expected_type != kind) || (expected_array_flag != has_array_flag) { - let fmt_array_bool = |array_bool| if array_bool { "array" } else { "not array" }; - Err(io::Error::other(format!( - "field {name:?} was {kind} ({}), expected {expected_type} ({})", - fmt_array_bool(has_array_flag), - fmt_array_bool(expected_array_flag) - )))?; - } - } - - let read_field_as_bytes = match kind { - /* - // i64 - 1 => |reader: &mut &[u8]| read_raw_vec(read_byte, 8, reader), - // i32 - 2 => |reader: &mut &[u8]| read_raw_vec(read_byte, 4, reader), - // i16 - 3 => |reader: &mut &[u8]| read_raw_vec(read_byte, 2, reader), - // i8 - 4 => |reader: &mut &[u8]| read_raw_vec(read_byte, 1, reader), - */ - // u64 - 5 => |reader: &mut &[u8]| read_raw_vec(read_byte, 8, reader), - /* - // u32 - 6 => |reader: &mut &[u8]| read_raw_vec(read_byte, 4, reader), - // u16 - 7 => |reader: &mut &[u8]| read_raw_vec(read_byte, 2, reader), - // u8 - 8 => |reader: &mut &[u8]| read_raw_vec(read_byte, 1, reader), - // double - 9 => |reader: &mut &[u8]| read_raw_vec(read_byte, 8, reader), - */ - // string, or any collection of bytes - 10 => |reader: &mut &[u8]| { - let len = read_epee_vi(reader)?; - read_raw_vec( - read_byte, - len.try_into().map_err(|_| io::Error::other("u64 length exceeded usize"))?, - reader, - ) - }, - // bool - 11 => |reader: &mut &[u8]| read_raw_vec(read_byte, 1, reader), - /* - // object, errors here as it shouldn't be used on this call - 12 => { - |_: &mut &[u8]| Err(io::Error::other("node used object in reply to get_o_indexes")) - } - // array, so far unused - 13 => |_: &mut &[u8]| Err(io::Error::other("node used the unused array type")), - */ - _ => |_: &mut &[u8]| Err(io::Error::other("node used an invalid type")), - }; - - let mut bytes_res = vec![]; - for _ in 0 .. iters { - bytes_res.push(read_field_as_bytes(reader)?); - } - - let mut actual_res = Vec::with_capacity(bytes_res.len()); - match name.as_slice() { - b"o_indexes" => { - for o_index in bytes_res { - actual_res.push(read_u64(&mut o_index.as_slice())?); - } - res = Some(actual_res); - } - b"status" => { - if bytes_res - .first() - .ok_or_else(|| io::Error::other("status was a 0-length array"))? - .as_slice() != - b"OK" - { - Err(io::Error::other("response wasn't OK"))?; - } - has_status = true; - } - b"untrusted" | b"credits" | b"top_hash" => continue, - _ => Err(io::Error::other("unrecognized field in get_o_indexes"))?, - } - } - - if !has_status { - Err(io::Error::other("response didn't contain a status"))?; - } - - // If the Vec was empty, it would've been omitted, hence the unwrap_or - Ok(res.unwrap_or(vec![])) - }; - - read_object(&mut indexes) - })() - .map_err(|e| RpcError::InvalidNode(format!("invalid binary response: {e:?}"))) - } - } -} - -/// A trait for any object which can be used to select RingCT decoys. -/// -/// An implementation is provided for any satisfier of `Rpc`. It is not recommended to use an `Rpc` -/// object to satisfy this. This should be satisfied by a local store of the output distribution, -/// both for performance and to prevent potential attacks a remote node can perform. -pub trait DecoyRpc: Sync { - /// Get the height the output distribution ends at. - /// - /// This is equivalent to the height of the blockchain it's for. This is intended to be cheaper - /// than fetching the entire output distribution. - fn get_output_distribution_end_height( - &self, - ) -> impl Send + Future>; - - /// Get the RingCT (zero-amount) output distribution. - /// - /// `range` is in terms of block numbers. The result may be smaller than the requested range if - /// the range starts before RingCT outputs were created on-chain. - fn get_output_distribution( - &self, - range: impl Send + RangeBounds, - ) -> impl Send + Future, RpcError>>; - - /// Get the specified outputs from the RingCT (zero-amount) pool. - fn get_outs( - &self, - indexes: &[u64], - ) -> impl Send + Future, RpcError>>; - - /// Get the specified outputs from the RingCT (zero-amount) pool, but only return them if their - /// timelock has been satisfied. - /// - /// The timelock being satisfied is distinct from being free of the 10-block lock applied to all - /// Monero transactions. - /// - /// The node is trusted for if the output is unlocked unless `fingerprintable_deterministic` is - /// set to true. If `fingerprintable_deterministic` is set to true, the node's local view isn't - /// used, yet the transaction's timelock is checked to be unlocked at the specified `height`. - /// This offers a deterministic decoy selection, yet is fingerprintable as time-based timelocks - /// aren't evaluated (and considered locked, preventing their selection). - fn get_unlocked_outputs( - &self, - indexes: &[u64], - height: usize, - fingerprintable_deterministic: bool, - ) -> impl Send + Future>, RpcError>>; -} - -impl DecoyRpc for R { - fn get_output_distribution_end_height( - &self, - ) -> impl Send + Future> { - async move { ::get_height(self).await } - } - - fn get_output_distribution( - &self, - range: impl Send + RangeBounds, - ) -> impl Send + Future, RpcError>> { - async move { - #[derive(Default, Debug, Deserialize)] - struct Distribution { - distribution: Vec, - // A blockchain with just its genesis block has a height of 1 - start_height: usize, - } - - #[derive(Debug, Deserialize)] - struct Distributions { - distributions: [Distribution; 1], - status: String, - } - - let from = match range.start_bound() { - Bound::Included(from) => *from, - Bound::Excluded(from) => from.checked_add(1).ok_or_else(|| { - RpcError::InternalError("range's from wasn't representable".to_string()) - })?, - Bound::Unbounded => 0, - }; - let to = match range.end_bound() { - Bound::Included(to) => *to, - Bound::Excluded(to) => to - .checked_sub(1) - .ok_or_else(|| RpcError::InternalError("range's to wasn't representable".to_string()))?, - Bound::Unbounded => self.get_height().await? - 1, - }; - if from > to { - Err(RpcError::InternalError(format!( - "malformed range: inclusive start {from}, inclusive end {to}" - )))?; - } - - let zero_zero_case = (from == 0) && (to == 0); - let distributions: Distributions = self - .json_rpc_call( - "get_output_distribution", - Some(json!({ - "binary": false, - "amounts": [0], - "cumulative": true, - // These are actually block numbers, not heights - "from_height": from, - "to_height": if zero_zero_case { 1 } else { to }, - })), - ) - .await?; - - if distributions.status != "OK" { - Err(RpcError::ConnectionError( - "node couldn't service this request for the output distribution".to_string(), - ))?; - } - - let mut distributions = distributions.distributions; - let Distribution { start_height, mut distribution } = core::mem::take(&mut distributions[0]); - // start_height is also actually a block number, and it should be at least `from` - // It may be after depending on when these outputs first appeared on the blockchain - // Unfortunately, we can't validate without a binary search to find the RingCT activation - // block and an iterative search from there, so we solely sanity check it - if start_height < from { - Err(RpcError::InvalidNode(format!( - "requested distribution from {from} and got from {start_height}" - )))?; - } - // It shouldn't be after `to` though - if start_height > to { - Err(RpcError::InvalidNode(format!( - "requested distribution to {to} and got from {start_height}" - )))?; - } - - let expected_len = if zero_zero_case { - 2 - } else { - (to - start_height).checked_add(1).ok_or_else(|| { - RpcError::InternalError("expected length of distribution exceeded usize".to_string()) - })? - }; - // Yet this is actually a height - if expected_len != distribution.len() { - Err(RpcError::InvalidNode(format!( - "distribution length ({}) wasn't of the requested length ({})", - distribution.len(), - expected_len - )))?; - } - // Requesting to = 0 returns the distribution for the entire chain - // We work around this by requesting 0, 1 (yielding two blocks), then popping the second - // block - if zero_zero_case { - distribution.pop(); - } - - // Check the distribution monotonically increases - { - let mut monotonic = 0; - for d in &distribution { - if *d < monotonic { - Err(RpcError::InvalidNode( - "received output distribution didn't increase monotonically".to_string(), - ))?; - } - monotonic = *d; - } - } - - Ok(distribution) - } - } - - fn get_outs( - &self, - indexes: &[u64], - ) -> impl Send + Future, RpcError>> { - async move { - #[derive(Debug, Deserialize)] - struct OutputResponse { - height: usize, - unlocked: bool, - key: String, - mask: String, - txid: String, - } - - #[derive(Debug, Deserialize)] - struct OutsResponse { - status: String, - outs: Vec, - } - - // https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 - // /src/rpc/core_rpc_server.cpp#L67 - const MAX_OUTS: usize = 5000; - - let mut res = Vec::with_capacity(indexes.len()); - for indexes in indexes.chunks(MAX_OUTS) { - let rpc_res: OutsResponse = self - .rpc_call( - "get_outs", - Some(json!({ - "get_txid": true, - "outputs": indexes.iter().map(|o| json!({ - "amount": 0, - "index": o - })).collect::>() - })), - ) - .await?; - - if rpc_res.status != "OK" { - Err(RpcError::InvalidNode("bad response to get_outs".to_string()))?; - } - - res.extend( - rpc_res - .outs - .into_iter() - .map(|output| { - Ok(OutputInformation { - height: output.height, - unlocked: output.unlocked, - key: CompressedEdwardsY( - rpc_hex(&output.key)? - .try_into() - .map_err(|_| RpcError::InvalidNode("output key wasn't 32 bytes".to_string()))?, - ), - commitment: rpc_point(&output.mask)?, - transaction: hash_hex(&output.txid)?, - }) - }) - .collect::, RpcError>>()?, - ); - } - - Ok(res) - } - } - - fn get_unlocked_outputs( - &self, - indexes: &[u64], - height: usize, - fingerprintable_deterministic: bool, - ) -> impl Send + Future>, RpcError>> { - async move { - let outs = self.get_outs(indexes).await?; - - // Only need to fetch txs to do deterministic check on timelock - let txs = if fingerprintable_deterministic { - self.get_transactions(&outs.iter().map(|out| out.transaction).collect::>()).await? - } else { - vec![] - }; - - // TODO: https://github.com/serai-dex/serai/issues/104 - outs - .iter() - .enumerate() - .map(|(i, out)| { - // Allow keys to be invalid, though if they are, return None to trigger selection of a - // new decoy - // Only valid keys can be used in CLSAG proofs, hence the need for re-selection, yet - // invalid keys may honestly exist on the blockchain - let Some(key) = out.key.decompress() else { - return Ok(None); - }; - Ok(Some([key, out.commitment]).filter(|_| { - if fingerprintable_deterministic { - // https://github.com/monero-project/monero/blob - // /cc73fe71162d564ffda8e549b79a350bca53c454/src/cryptonote_core - // /blockchain.cpp#L90 - const ACCEPTED_TIMELOCK_DELTA: usize = 1; - - // https://github.com/monero-project/monero/blob - // /cc73fe71162d564ffda8e549b79a350bca53c454/src/cryptonote_core - // /blockchain.cpp#L3836 - out.height.checked_add(DEFAULT_LOCK_WINDOW).is_some_and(|locked| locked <= height) && - (Timelock::Block(height.wrapping_add(ACCEPTED_TIMELOCK_DELTA - 1)) >= - txs[i].prefix().additional_timelock) - } else { - out.unlocked - } - })) - }) - .collect() - } - } -} diff --git a/networks/monero/src/block.rs b/networks/monero/src/block.rs deleted file mode 100644 index 5ab85cc7..00000000 --- a/networks/monero/src/block.rs +++ /dev/null @@ -1,165 +0,0 @@ -use std_shims::{ - vec, - vec::Vec, - io::{self, Read, Write}, -}; - -use crate::{ - io::*, - primitives::keccak256, - merkle::merkle_root, - transaction::{Input, Transaction}, -}; - -const CORRECT_BLOCK_HASH_202612: [u8; 32] = - hex_literal::hex!("426d16cff04c71f8b16340b722dc4010a2dd3831c22041431f772547ba6e331a"); -const EXISTING_BLOCK_HASH_202612: [u8; 32] = - hex_literal::hex!("bbd604d2ba11ba27935e006ed39c9bfdd99b76bf4a50654bc1e1e61217962698"); - -/// A Monero block's header. -#[derive(Clone, PartialEq, Eq, Debug)] -pub struct BlockHeader { - /// The hard fork of the protocol this block follows. - /// - /// Per the C++ codebase, this is the `major_version`. - pub hardfork_version: u8, - /// A signal for a proposed hard fork. - /// - /// Per the C++ codebase, this is the `minor_version`. - pub hardfork_signal: u8, - /// Seconds since the epoch. - pub timestamp: u64, - /// The previous block's hash. - pub previous: [u8; 32], - /// The nonce used to mine the block. - /// - /// Miners should increment this while attempting to find a block with a hash satisfying the PoW - /// rules. - pub nonce: u32, -} - -impl BlockHeader { - /// Write the BlockHeader. - pub fn write(&self, w: &mut W) -> io::Result<()> { - write_varint(&self.hardfork_version, w)?; - write_varint(&self.hardfork_signal, w)?; - write_varint(&self.timestamp, w)?; - w.write_all(&self.previous)?; - w.write_all(&self.nonce.to_le_bytes()) - } - - /// Serialize the BlockHeader to a `Vec`. - pub fn serialize(&self) -> Vec { - let mut serialized = vec![]; - self.write(&mut serialized).expect("write failed but doesn't fail"); - serialized - } - - /// Read a BlockHeader. - pub fn read(r: &mut R) -> io::Result { - Ok(BlockHeader { - hardfork_version: read_varint(r)?, - hardfork_signal: read_varint(r)?, - timestamp: read_varint(r)?, - previous: read_bytes(r)?, - nonce: read_bytes(r).map(u32::from_le_bytes)?, - }) - } -} - -/// A Monero block. -#[derive(Clone, PartialEq, Eq, Debug)] -pub struct Block { - /// The block's header. - pub header: BlockHeader, - /// The miner's transaction. - pub miner_transaction: Transaction, - /// The transactions within this block. - pub transactions: Vec<[u8; 32]>, -} - -impl Block { - /// The zero-indexed position of this block within the blockchain. - /// - /// This information comes from the Block's miner transaction. If the miner transaction isn't - /// structed as expected, this will return None. This will return Some for any Block which would - /// pass the consensus rules. - // https://github.com/monero-project/monero/blob/a1dc85c5373a30f14aaf7dcfdd95f5a7375d3623 - // /src/cryptonote_core/blockchain.cpp#L1365-L1382 - pub fn number(&self) -> Option { - match &self.miner_transaction { - Transaction::V1 { prefix, .. } | Transaction::V2 { prefix, .. } => { - match prefix.inputs.first() { - Some(Input::Gen(number)) => Some(*number), - _ => None, - } - } - } - } - - /// Write the Block. - pub fn write(&self, w: &mut W) -> io::Result<()> { - self.header.write(w)?; - self.miner_transaction.write(w)?; - write_varint(&self.transactions.len(), w)?; - for tx in &self.transactions { - w.write_all(tx)?; - } - Ok(()) - } - - /// Serialize the Block to a `Vec`. - pub fn serialize(&self) -> Vec { - let mut serialized = vec![]; - self.write(&mut serialized).expect("write failed but doesn't fail"); - serialized - } - - /// Serialize the block as required for the proof of work hash. - /// - /// This is distinct from the serialization required for the block hash. To get the block hash, - /// use the [`Block::hash`] function. - pub fn serialize_pow_hash(&self) -> Vec { - let mut blob = self.header.serialize(); - blob.extend_from_slice(&merkle_root(self.miner_transaction.hash(), &self.transactions)); - write_varint( - &(1 + - u64::try_from(self.transactions.len()) - .expect("amount of transactions in block exceeded u64::MAX")), - &mut blob, - ) - .expect("write failed but doesn't fail"); - blob - } - - /// Get the hash of this block. - pub fn hash(&self) -> [u8; 32] { - let mut hashable = self.serialize_pow_hash(); - // Monero pre-appends a VarInt of the block-to-hash'ss length before getting the block hash, - // but doesn't do this when getting the proof of work hash :) - let mut hashing_blob = Vec::with_capacity(9 + hashable.len()); - write_varint( - &u64::try_from(hashable.len()).expect("length of block hash's preimage exceeded u64::MAX"), - &mut hashing_blob, - ) - .expect("write failed but doesn't fail"); - hashing_blob.append(&mut hashable); - - let hash = keccak256(hashing_blob); - if hash == CORRECT_BLOCK_HASH_202612 { - return EXISTING_BLOCK_HASH_202612; - }; - hash - } - - /// Read a Block. - pub fn read(r: &mut R) -> io::Result { - Ok(Block { - header: BlockHeader::read(r)?, - miner_transaction: Transaction::read(r)?, - transactions: (0_usize .. read_varint(r)?) - .map(|_| read_bytes(r)) - .collect::>()?, - }) - } -} diff --git a/networks/monero/src/lib.rs b/networks/monero/src/lib.rs deleted file mode 100644 index 2eaa63e1..00000000 --- a/networks/monero/src/lib.rs +++ /dev/null @@ -1,39 +0,0 @@ -#![cfg_attr(docsrs, feature(doc_auto_cfg))] -#![doc = include_str!("../README.md")] -#![deny(missing_docs)] -#![cfg_attr(not(feature = "std"), no_std)] - -pub use monero_io as io; -pub use monero_generators as generators; -pub use monero_primitives as primitives; - -mod merkle; - -/// Ring Signature structs and functionality. -pub mod ring_signatures; - -/// RingCT structs and functionality. -pub mod ringct; - -/// Transaction structs and functionality. -pub mod transaction; -/// Block structs and functionality. -pub mod block; - -#[cfg(test)] -mod tests; - -/// The minimum amount of blocks an output is locked for. -/// -/// If Monero suffered a re-organization, any transactions which selected decoys belonging to -/// recent blocks would become invalidated. Accordingly, transactions must use decoys which are -/// presumed to not be invalidated in the future. If wallets only selected n-block-old outputs as -/// decoys, then any ring member within the past n blocks would have to be the real spend. -/// Preventing this at the consensus layer ensures privacy and integrity. -pub const DEFAULT_LOCK_WINDOW: usize = 10; - -/// The minimum amount of blocks a coinbase output is locked for. -pub const COINBASE_LOCK_WINDOW: usize = 60; - -/// Monero's block time target, in seconds. -pub const BLOCK_TIME: usize = 120; diff --git a/networks/monero/src/merkle.rs b/networks/monero/src/merkle.rs deleted file mode 100644 index 2be31df2..00000000 --- a/networks/monero/src/merkle.rs +++ /dev/null @@ -1,55 +0,0 @@ -use std_shims::vec::Vec; - -use crate::primitives::keccak256; - -pub(crate) fn merkle_root(root: [u8; 32], leafs: &[[u8; 32]]) -> [u8; 32] { - match leafs.len() { - 0 => root, - 1 => keccak256([root, leafs[0]].concat()), - _ => { - let mut hashes = Vec::with_capacity(1 + leafs.len()); - hashes.push(root); - hashes.extend(leafs); - - // Monero preprocess this so the length is a power of 2 - let mut high_pow_2 = 4; // 4 is the lowest value this can be - while high_pow_2 < hashes.len() { - high_pow_2 *= 2; - } - let low_pow_2 = high_pow_2 / 2; - - // Merge right-most hashes until we're at the low_pow_2 - { - let overage = hashes.len() - low_pow_2; - let mut rightmost = hashes.drain((low_pow_2 - overage) ..); - // This is true since we took overage from beneath and above low_pow_2, taking twice as - // many elements as overage - debug_assert_eq!(rightmost.len() % 2, 0); - - let mut paired_hashes = Vec::with_capacity(overage); - while let Some(left) = rightmost.next() { - let right = rightmost.next().expect("rightmost is of even length"); - paired_hashes.push(keccak256([left.as_ref(), &right].concat())); - } - drop(rightmost); - - hashes.extend(paired_hashes); - assert_eq!(hashes.len(), low_pow_2); - } - - // Do a traditional pairing off - let mut new_hashes = Vec::with_capacity(hashes.len() / 2); - while hashes.len() > 1 { - let mut i = 0; - while i < hashes.len() { - new_hashes.push(keccak256([hashes[i], hashes[i + 1]].concat())); - i += 2; - } - - hashes = new_hashes; - new_hashes = Vec::with_capacity(hashes.len() / 2); - } - hashes[0] - } - } -} diff --git a/networks/monero/src/ring_signatures.rs b/networks/monero/src/ring_signatures.rs deleted file mode 100644 index c76d8d89..00000000 --- a/networks/monero/src/ring_signatures.rs +++ /dev/null @@ -1,101 +0,0 @@ -use std_shims::{ - io::{self, *}, - vec::Vec, -}; - -use zeroize::Zeroize; - -use curve25519_dalek::{EdwardsPoint, Scalar}; - -use crate::{io::*, generators::hash_to_point, primitives::keccak256_to_scalar}; - -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub(crate) struct Signature { - #[cfg(test)] - pub(crate) c: Scalar, - #[cfg(test)] - pub(crate) s: Scalar, - #[cfg(not(test))] - c: Scalar, - #[cfg(not(test))] - s: Scalar, -} - -impl Signature { - fn write(&self, w: &mut W) -> io::Result<()> { - write_scalar(&self.c, w)?; - write_scalar(&self.s, w)?; - Ok(()) - } - - fn read(r: &mut R) -> io::Result { - Ok(Signature { c: read_scalar(r)?, s: read_scalar(r)? }) - } -} - -/// A ring signature. -/// -/// This was used by the original Cryptonote transaction protocol and was deprecated with RingCT. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub struct RingSignature { - #[cfg(test)] - pub(crate) sigs: Vec, - #[cfg(not(test))] - sigs: Vec, -} - -impl RingSignature { - /// Write the RingSignature. - pub fn write(&self, w: &mut W) -> io::Result<()> { - for sig in &self.sigs { - sig.write(w)?; - } - Ok(()) - } - - /// Read a RingSignature. - pub fn read(members: usize, r: &mut R) -> io::Result { - Ok(RingSignature { sigs: read_raw_vec(Signature::read, members, r)? }) - } - - /// Verify the ring signature. - pub fn verify(&self, msg: &[u8; 32], ring: &[EdwardsPoint], key_image: &EdwardsPoint) -> bool { - if ring.len() != self.sigs.len() { - return false; - } - - let mut buf = Vec::with_capacity(32 + (2 * 32 * ring.len())); - buf.extend_from_slice(msg); - - let mut sum = Scalar::ZERO; - for (ring_member, sig) in ring.iter().zip(&self.sigs) { - /* - The traditional Schnorr signature is: - r = sample() - c = H(r G || m) - s = r - c x - Verified as: - s G + c A == R - - Each ring member here performs a dual-Schnorr signature for: - s G + c A - s HtP(A) + c K - Where the transcript is pushed both these values, r G, r HtP(A) for the real spend. - This also serves as a DLEq proof between the key and the key image. - - Checking sum(c) == H(transcript) acts a disjunction, where any one of the `c`s can be - modified to cause the intended sum, if and only if a corresponding `s` value is known. - */ - - #[allow(non_snake_case)] - let Li = EdwardsPoint::vartime_double_scalar_mul_basepoint(&sig.c, ring_member, &sig.s); - buf.extend_from_slice(Li.compress().as_bytes()); - #[allow(non_snake_case)] - let Ri = (sig.s * hash_to_point(ring_member.compress().to_bytes())) + (sig.c * key_image); - buf.extend_from_slice(Ri.compress().as_bytes()); - - sum += sig.c; - } - sum == keccak256_to_scalar(buf) - } -} diff --git a/networks/monero/src/ringct.rs b/networks/monero/src/ringct.rs deleted file mode 100644 index 220f289d..00000000 --- a/networks/monero/src/ringct.rs +++ /dev/null @@ -1,478 +0,0 @@ -use std_shims::{ - vec, - vec::Vec, - io::{self, Read, Write}, -}; - -use zeroize::Zeroize; - -use curve25519_dalek::edwards::EdwardsPoint; - -pub use monero_mlsag as mlsag; -pub use monero_clsag as clsag; -pub use monero_borromean as borromean; -pub use monero_bulletproofs as bulletproofs; - -use crate::{ - io::*, - ringct::{mlsag::Mlsag, clsag::Clsag, borromean::BorromeanRange, bulletproofs::Bulletproof}, -}; - -/// An encrypted amount. -#[derive(Clone, PartialEq, Eq, Debug)] -pub enum EncryptedAmount { - /// The original format for encrypted amounts. - Original { - /// A mask used with a mask derived from the shared secret to encrypt the amount. - mask: [u8; 32], - /// The amount, as a scalar, encrypted. - amount: [u8; 32], - }, - /// The "compact" format for encrypted amounts. - Compact { - /// The amount, as a u64, encrypted. - amount: [u8; 8], - }, -} - -impl EncryptedAmount { - /// Read an EncryptedAmount from a reader. - pub fn read(compact: bool, r: &mut R) -> io::Result { - Ok(if !compact { - EncryptedAmount::Original { mask: read_bytes(r)?, amount: read_bytes(r)? } - } else { - EncryptedAmount::Compact { amount: read_bytes(r)? } - }) - } - - /// Write the EncryptedAmount to a writer. - pub fn write(&self, w: &mut W) -> io::Result<()> { - match self { - EncryptedAmount::Original { mask, amount } => { - w.write_all(mask)?; - w.write_all(amount) - } - EncryptedAmount::Compact { amount } => w.write_all(amount), - } - } -} - -/// The type of the RingCT data. -#[derive(Clone, Copy, PartialEq, Eq, Debug, Zeroize)] -pub enum RctType { - /// One MLSAG for multiple inputs and Borromean range proofs. - /// - /// This aligns with RCTTypeFull. - AggregateMlsagBorromean, - // One MLSAG for each input and a Borromean range proof. - /// - /// This aligns with RCTTypeSimple. - MlsagBorromean, - // One MLSAG for each input and a Bulletproof. - /// - /// This aligns with RCTTypeBulletproof. - MlsagBulletproofs, - /// One MLSAG for each input and a Bulletproof, yet using EncryptedAmount::Compact. - /// - /// This aligns with RCTTypeBulletproof2. - MlsagBulletproofsCompactAmount, - /// One CLSAG for each input and a Bulletproof. - /// - /// This aligns with RCTTypeCLSAG. - ClsagBulletproof, - /// One CLSAG for each input and a Bulletproof+. - /// - /// This aligns with RCTTypeBulletproofPlus. - ClsagBulletproofPlus, -} - -impl From for u8 { - fn from(rct_type: RctType) -> u8 { - match rct_type { - RctType::AggregateMlsagBorromean => 1, - RctType::MlsagBorromean => 2, - RctType::MlsagBulletproofs => 3, - RctType::MlsagBulletproofsCompactAmount => 4, - RctType::ClsagBulletproof => 5, - RctType::ClsagBulletproofPlus => 6, - } - } -} - -impl TryFrom for RctType { - type Error = (); - fn try_from(byte: u8) -> Result { - Ok(match byte { - 1 => RctType::AggregateMlsagBorromean, - 2 => RctType::MlsagBorromean, - 3 => RctType::MlsagBulletproofs, - 4 => RctType::MlsagBulletproofsCompactAmount, - 5 => RctType::ClsagBulletproof, - 6 => RctType::ClsagBulletproofPlus, - _ => Err(())?, - }) - } -} - -impl RctType { - /// True if this RctType uses compact encrypted amounts, false otherwise. - pub fn compact_encrypted_amounts(&self) -> bool { - match self { - RctType::AggregateMlsagBorromean | RctType::MlsagBorromean | RctType::MlsagBulletproofs => { - false - } - RctType::MlsagBulletproofsCompactAmount | - RctType::ClsagBulletproof | - RctType::ClsagBulletproofPlus => true, - } - } - - /// True if this RctType uses a Bulletproof, false otherwise. - pub(crate) fn bulletproof(&self) -> bool { - match self { - RctType::MlsagBulletproofs | - RctType::MlsagBulletproofsCompactAmount | - RctType::ClsagBulletproof => true, - RctType::AggregateMlsagBorromean | - RctType::MlsagBorromean | - RctType::ClsagBulletproofPlus => false, - } - } - - /// True if this RctType uses a Bulletproof+, false otherwise. - pub(crate) fn bulletproof_plus(&self) -> bool { - match self { - RctType::ClsagBulletproofPlus => true, - RctType::AggregateMlsagBorromean | - RctType::MlsagBorromean | - RctType::MlsagBulletproofs | - RctType::MlsagBulletproofsCompactAmount | - RctType::ClsagBulletproof => false, - } - } -} - -/// The base of the RingCT data. -/// -/// This excludes all proofs (which once initially verified do not need to be kept around) and -/// solely keeps data which either impacts the effects of the transactions or is needed to scan it. -/// -/// The one exception for this is `pseudo_outs`, which was originally present here yet moved to -/// RctPrunable in a later hard fork (causing it to be present in both). -#[derive(Clone, PartialEq, Eq, Debug)] -pub struct RctBase { - /// The fee used by this transaction. - pub fee: u64, - /// The re-randomized amount commitments used within inputs. - /// - /// This field was deprecated and is empty for modern RctTypes. - pub pseudo_outs: Vec, - /// The encrypted amounts for the recipients to decrypt. - pub encrypted_amounts: Vec, - /// The output commitments. - pub commitments: Vec, -} - -impl RctBase { - /// Write the RctBase. - pub fn write(&self, w: &mut W, rct_type: RctType) -> io::Result<()> { - w.write_all(&[u8::from(rct_type)])?; - - write_varint(&self.fee, w)?; - if rct_type == RctType::MlsagBorromean { - write_raw_vec(write_point, &self.pseudo_outs, w)?; - } - for encrypted_amount in &self.encrypted_amounts { - encrypted_amount.write(w)?; - } - write_raw_vec(write_point, &self.commitments, w) - } - - /// Read a RctBase. - pub fn read( - inputs: usize, - outputs: usize, - r: &mut R, - ) -> io::Result> { - let rct_type = read_byte(r)?; - if rct_type == 0 { - return Ok(None); - } - let rct_type = - RctType::try_from(rct_type).map_err(|()| io::Error::other("invalid RCT type"))?; - - match rct_type { - RctType::AggregateMlsagBorromean | RctType::MlsagBorromean => {} - RctType::MlsagBulletproofs | - RctType::MlsagBulletproofsCompactAmount | - RctType::ClsagBulletproof | - RctType::ClsagBulletproofPlus => { - if outputs == 0 { - // Because the Bulletproofs(+) layout must be canonical, there must be 1 Bulletproof if - // Bulletproofs are in use - // If there are Bulletproofs, there must be a matching amount of outputs, implicitly - // banning 0 outputs - // Since HF 12 (CLSAG being 13), a 2-output minimum has also been enforced - Err(io::Error::other("RCT with Bulletproofs(+) had 0 outputs"))?; - } - } - } - - Ok(Some(( - rct_type, - RctBase { - fee: read_varint(r)?, - // Only read pseudo_outs if they have yet to be moved to RctPrunable - // This would apply to AggregateMlsagBorromean and MlsagBorromean, except - // AggregateMlsagBorromean doesn't use pseudo_outs due to using the sum of the output - // commitments directly as the effective singular pseudo-out - pseudo_outs: if rct_type == RctType::MlsagBorromean { - read_raw_vec(read_point, inputs, r)? - } else { - vec![] - }, - encrypted_amounts: (0 .. outputs) - .map(|_| EncryptedAmount::read(rct_type.compact_encrypted_amounts(), r)) - .collect::>()?, - commitments: read_raw_vec(read_point, outputs, r)?, - }, - ))) - } -} - -/// The prunable part of the RingCT data. -#[derive(Clone, PartialEq, Eq, Debug)] -pub enum RctPrunable { - /// An aggregate MLSAG with Borromean range proofs. - AggregateMlsagBorromean { - /// The aggregate MLSAG ring signature. - mlsag: Mlsag, - /// The Borromean range proofs for each output. - borromean: Vec, - }, - /// MLSAGs with Borromean range proofs. - MlsagBorromean { - /// The MLSAG ring signatures for each input. - mlsags: Vec, - /// The Borromean range proofs for each output. - borromean: Vec, - }, - /// MLSAGs with Bulletproofs. - MlsagBulletproofs { - /// The MLSAG ring signatures for each input. - mlsags: Vec, - /// The re-blinded commitments for the outputs being spent. - pseudo_outs: Vec, - /// The aggregate Bulletproof, proving the outputs are within range. - bulletproof: Bulletproof, - }, - /// MLSAGs with Bulletproofs and compact encrypted amounts. - /// - /// This has an identical layout to MlsagBulletproofs and is interpreted the exact same way. It's - /// only differentiated to ensure discovery of the correct RctType. - MlsagBulletproofsCompactAmount { - /// The MLSAG ring signatures for each input. - mlsags: Vec, - /// The re-blinded commitments for the outputs being spent. - pseudo_outs: Vec, - /// The aggregate Bulletproof, proving the outputs are within range. - bulletproof: Bulletproof, - }, - /// CLSAGs with Bulletproofs(+). - Clsag { - /// The CLSAGs for each input. - clsags: Vec, - /// The re-blinded commitments for the outputs being spent. - pseudo_outs: Vec, - /// The aggregate Bulletproof(+), proving the outputs are within range. - bulletproof: Bulletproof, - }, -} - -impl RctPrunable { - /// Write the RctPrunable. - pub fn write(&self, w: &mut W, rct_type: RctType) -> io::Result<()> { - match self { - RctPrunable::AggregateMlsagBorromean { borromean, mlsag } => { - write_raw_vec(BorromeanRange::write, borromean, w)?; - mlsag.write(w) - } - RctPrunable::MlsagBorromean { borromean, mlsags } => { - write_raw_vec(BorromeanRange::write, borromean, w)?; - write_raw_vec(Mlsag::write, mlsags, w) - } - RctPrunable::MlsagBulletproofs { bulletproof, mlsags, pseudo_outs } | - RctPrunable::MlsagBulletproofsCompactAmount { bulletproof, mlsags, pseudo_outs } => { - if rct_type == RctType::MlsagBulletproofs { - w.write_all(&1u32.to_le_bytes())?; - } else { - w.write_all(&[1])?; - } - bulletproof.write(w)?; - - write_raw_vec(Mlsag::write, mlsags, w)?; - write_raw_vec(write_point, pseudo_outs, w) - } - RctPrunable::Clsag { bulletproof, clsags, pseudo_outs } => { - w.write_all(&[1])?; - bulletproof.write(w)?; - - write_raw_vec(Clsag::write, clsags, w)?; - write_raw_vec(write_point, pseudo_outs, w) - } - } - } - - /// Serialize the RctPrunable to a `Vec`. - pub fn serialize(&self, rct_type: RctType) -> Vec { - let mut serialized = vec![]; - self - .write(&mut serialized, rct_type) - .expect("write failed but doesn't fail"); - serialized - } - - /// Read a RctPrunable. - pub fn read( - rct_type: RctType, - ring_length: usize, - inputs: usize, - outputs: usize, - r: &mut R, - ) -> io::Result { - Ok(match rct_type { - RctType::AggregateMlsagBorromean => RctPrunable::AggregateMlsagBorromean { - borromean: read_raw_vec(BorromeanRange::read, outputs, r)?, - mlsag: Mlsag::read( - ring_length, - inputs.checked_add(1).ok_or_else(|| { - io::Error::other("reading a MLSAG for more inputs than representable") - })?, - r, - )?, - }, - RctType::MlsagBorromean => RctPrunable::MlsagBorromean { - borromean: read_raw_vec(BorromeanRange::read, outputs, r)?, - mlsags: (0 .. inputs).map(|_| Mlsag::read(ring_length, 2, r)).collect::>()?, - }, - RctType::MlsagBulletproofs | RctType::MlsagBulletproofsCompactAmount => { - let bulletproof = { - if (if rct_type == RctType::MlsagBulletproofs { - u64::from(read_u32(r)?) - } else { - read_varint(r)? - }) != 1 - { - Err(io::Error::other("n bulletproofs instead of one"))?; - } - Bulletproof::read(r)? - }; - let mlsags = - (0 .. inputs).map(|_| Mlsag::read(ring_length, 2, r)).collect::>()?; - let pseudo_outs = read_raw_vec(read_point, inputs, r)?; - if rct_type == RctType::MlsagBulletproofs { - RctPrunable::MlsagBulletproofs { bulletproof, mlsags, pseudo_outs } - } else { - debug_assert_eq!(rct_type, RctType::MlsagBulletproofsCompactAmount); - RctPrunable::MlsagBulletproofsCompactAmount { bulletproof, mlsags, pseudo_outs } - } - } - RctType::ClsagBulletproof | RctType::ClsagBulletproofPlus => RctPrunable::Clsag { - bulletproof: { - if read_varint::<_, u64>(r)? != 1 { - Err(io::Error::other("n bulletproofs instead of one"))?; - } - (if rct_type == RctType::ClsagBulletproof { - Bulletproof::read - } else { - Bulletproof::read_plus - })(r)? - }, - clsags: (0 .. inputs).map(|_| Clsag::read(ring_length, r)).collect::>()?, - pseudo_outs: read_raw_vec(read_point, inputs, r)?, - }, - }) - } - - /// Write the RctPrunable as necessary for signing the signature. - pub(crate) fn signature_write(&self, w: &mut W) -> io::Result<()> { - match self { - RctPrunable::AggregateMlsagBorromean { borromean, .. } | - RctPrunable::MlsagBorromean { borromean, .. } => { - borromean.iter().try_for_each(|rs| rs.write(w)) - } - RctPrunable::MlsagBulletproofs { bulletproof, .. } | - RctPrunable::MlsagBulletproofsCompactAmount { bulletproof, .. } | - RctPrunable::Clsag { bulletproof, .. } => bulletproof.signature_write(w), - } - } -} - -/// The RingCT proofs. -/// -/// This contains both the RctBase and RctPrunable structs. -/// -/// The C++ codebase refers to this as rct_signatures. -#[derive(Clone, PartialEq, Eq, Debug)] -pub struct RctProofs { - /// The data necessary for handling this transaction. - pub base: RctBase, - /// The data necessary for verifying this transaction. - pub prunable: RctPrunable, -} - -impl RctProofs { - /// RctType for a given RctProofs struct. - pub fn rct_type(&self) -> RctType { - match &self.prunable { - RctPrunable::AggregateMlsagBorromean { .. } => RctType::AggregateMlsagBorromean, - RctPrunable::MlsagBorromean { .. } => RctType::MlsagBorromean, - RctPrunable::MlsagBulletproofs { .. } => RctType::MlsagBulletproofs, - RctPrunable::MlsagBulletproofsCompactAmount { .. } => RctType::MlsagBulletproofsCompactAmount, - RctPrunable::Clsag { bulletproof, .. } => { - if matches!(bulletproof, Bulletproof::Original { .. }) { - RctType::ClsagBulletproof - } else { - RctType::ClsagBulletproofPlus - } - } - } - } - - /// Write the RctProofs. - pub fn write(&self, w: &mut W) -> io::Result<()> { - let rct_type = self.rct_type(); - self.base.write(w, rct_type)?; - self.prunable.write(w, rct_type) - } - - /// Serialize the RctProofs to a `Vec`. - pub fn serialize(&self) -> Vec { - let mut serialized = vec![]; - self.write(&mut serialized).expect("write failed but doesn't fail"); - serialized - } - - /// Read a RctProofs. - pub fn read( - ring_length: usize, - inputs: usize, - outputs: usize, - r: &mut R, - ) -> io::Result> { - let Some((rct_type, base)) = RctBase::read(inputs, outputs, r)? else { return Ok(None) }; - Ok(Some(RctProofs { - base, - prunable: RctPrunable::read(rct_type, ring_length, inputs, outputs, r)?, - })) - } -} - -/// A pruned set of RingCT proofs. -#[derive(Clone, PartialEq, Eq, Debug)] -pub struct PrunedRctProofs { - /// The type of RctProofs this used to be. - pub rct_type: RctType, - /// The data necessary for handling this transaction. - pub base: RctBase, -} diff --git a/networks/monero/src/tests/mod.rs b/networks/monero/src/tests/mod.rs deleted file mode 100644 index 8d760e2a..00000000 --- a/networks/monero/src/tests/mod.rs +++ /dev/null @@ -1 +0,0 @@ -mod transaction; diff --git a/networks/monero/src/tests/transaction.rs b/networks/monero/src/tests/transaction.rs deleted file mode 100644 index 165a36c3..00000000 --- a/networks/monero/src/tests/transaction.rs +++ /dev/null @@ -1,287 +0,0 @@ -use curve25519_dalek::{ - edwards::{CompressedEdwardsY, EdwardsPoint}, - scalar::Scalar, -}; - -use serde_json::Value; - -use crate::{ - ringct::RctPrunable, - transaction::{NotPruned, Transaction, Timelock, Input}, -}; - -const TRANSACTIONS: &str = include_str!("./vectors/transactions.json"); -const CLSAG_TX: &str = include_str!("./vectors/clsag_tx.json"); -const RING_DATA: &str = include_str!("./vectors/ring_data.json"); - -#[derive(serde::Deserialize)] -struct Vector { - id: String, - hex: String, - signature_hash: String, - tx: Value, -} - -fn tx_vectors() -> Vec { - serde_json::from_str(TRANSACTIONS).unwrap() -} - -fn point(hex: &Value) -> EdwardsPoint { - CompressedEdwardsY(hex::decode(hex.as_str().unwrap()).unwrap().try_into().unwrap()) - .decompress() - .unwrap() -} - -fn scalar(hex: &Value) -> Scalar { - Scalar::from_canonical_bytes(hex::decode(hex.as_str().unwrap()).unwrap().try_into().unwrap()) - .unwrap() -} - -fn point_vector(val: &Value) -> Vec { - let mut v = vec![]; - for hex in val.as_array().unwrap() { - v.push(point(hex)); - } - v -} - -fn scalar_vector(val: &Value) -> Vec { - let mut v = vec![]; - for hex in val.as_array().unwrap() { - v.push(scalar(hex)); - } - v -} - -#[test] -fn parse() { - for v in tx_vectors() { - let tx = - Transaction::::read(&mut hex::decode(v.hex.clone()).unwrap().as_slice()).unwrap(); - - // check version - assert_eq!(tx.version(), v.tx["version"]); - - // check unlock time - match tx.prefix().additional_timelock { - Timelock::None => assert_eq!(0, v.tx["unlock_time"]), - Timelock::Block(h) => assert_eq!(h, v.tx["unlock_time"]), - Timelock::Time(t) => assert_eq!(t, v.tx["unlock_time"]), - } - - // check inputs - let inputs = v.tx["vin"].as_array().unwrap(); - assert_eq!(tx.prefix().inputs.len(), inputs.len()); - for (i, input) in tx.prefix().inputs.iter().enumerate() { - match input { - Input::Gen(h) => assert_eq!(*h, inputs[i]["gen"]["height"]), - Input::ToKey { amount, key_offsets, key_image } => { - let key = &inputs[i]["key"]; - assert_eq!(amount.unwrap_or(0), key["amount"]); - assert_eq!(*key_image, point(&key["k_image"])); - assert_eq!(key_offsets, key["key_offsets"].as_array().unwrap()); - } - } - } - - // check outputs - let outputs = v.tx["vout"].as_array().unwrap(); - assert_eq!(tx.prefix().outputs.len(), outputs.len()); - for (i, output) in tx.prefix().outputs.iter().enumerate() { - assert_eq!(output.amount.unwrap_or(0), outputs[i]["amount"]); - if output.view_tag.is_some() { - assert_eq!(output.key, point(&outputs[i]["target"]["tagged_key"]["key"]).compress()); - let view_tag = - hex::decode(outputs[i]["target"]["tagged_key"]["view_tag"].as_str().unwrap()).unwrap(); - assert_eq!(view_tag.len(), 1); - assert_eq!(output.view_tag.unwrap(), view_tag[0]); - } else { - assert_eq!(output.key, point(&outputs[i]["target"]["key"]).compress()); - } - } - - // check extra - assert_eq!(tx.prefix().extra, v.tx["extra"].as_array().unwrap().as_slice()); - - match &tx { - Transaction::V1 { signatures, .. } => { - // check signatures for v1 txs - let sigs_array = v.tx["signatures"].as_array().unwrap(); - for (i, sig) in signatures.iter().enumerate() { - let tx_sig = hex::decode(sigs_array[i].as_str().unwrap()).unwrap(); - for (i, sig) in sig.sigs.iter().enumerate() { - let start = i * 64; - let c: [u8; 32] = tx_sig[start .. (start + 32)].try_into().unwrap(); - let s: [u8; 32] = tx_sig[(start + 32) .. (start + 64)].try_into().unwrap(); - assert_eq!(sig.c, Scalar::from_canonical_bytes(c).unwrap()); - assert_eq!(sig.s, Scalar::from_canonical_bytes(s).unwrap()); - } - } - } - Transaction::V2 { proofs: None, .. } => assert_eq!(v.tx["rct_signatures"]["type"], 0), - Transaction::V2 { proofs: Some(proofs), .. } => { - // check rct signatures - let rct = &v.tx["rct_signatures"]; - assert_eq!(u8::from(proofs.rct_type()), rct["type"]); - - assert_eq!(proofs.base.fee, rct["txnFee"]); - assert_eq!(proofs.base.commitments, point_vector(&rct["outPk"])); - let ecdh_info = rct["ecdhInfo"].as_array().unwrap(); - assert_eq!(proofs.base.encrypted_amounts.len(), ecdh_info.len()); - for (i, ecdh) in proofs.base.encrypted_amounts.iter().enumerate() { - let mut buf = vec![]; - ecdh.write(&mut buf).unwrap(); - assert_eq!(buf, hex::decode(ecdh_info[i]["amount"].as_str().unwrap()).unwrap()); - } - - // check ringct prunable - match &proofs.prunable { - RctPrunable::Clsag { bulletproof: _, clsags, pseudo_outs } => { - // check bulletproofs - /* TODO - for (i, bp) in bulletproofs.iter().enumerate() { - match bp { - Bulletproof::Original(o) => { - let bps = v.tx["rctsig_prunable"]["bp"].as_array().unwrap(); - assert_eq!(bulletproofs.len(), bps.len()); - assert_eq!(o.A, point(&bps[i]["A"])); - assert_eq!(o.S, point(&bps[i]["S"])); - assert_eq!(o.T1, point(&bps[i]["T1"])); - assert_eq!(o.T2, point(&bps[i]["T2"])); - assert_eq!(o.taux, scalar(&bps[i]["taux"])); - assert_eq!(o.mu, scalar(&bps[i]["mu"])); - assert_eq!(o.L, point_vector(&bps[i]["L"])); - assert_eq!(o.R, point_vector(&bps[i]["R"])); - assert_eq!(o.a, scalar(&bps[i]["a"])); - assert_eq!(o.b, scalar(&bps[i]["b"])); - assert_eq!(o.t, scalar(&bps[i]["t"])); - } - Bulletproof::Plus(p) => { - let bps = v.tx["rctsig_prunable"]["bpp"].as_array().unwrap(); - assert_eq!(bulletproofs.len(), bps.len()); - assert_eq!(p.A, point(&bps[i]["A"])); - assert_eq!(p.A1, point(&bps[i]["A1"])); - assert_eq!(p.B, point(&bps[i]["B"])); - assert_eq!(p.r1, scalar(&bps[i]["r1"])); - assert_eq!(p.s1, scalar(&bps[i]["s1"])); - assert_eq!(p.d1, scalar(&bps[i]["d1"])); - assert_eq!(p.L, point_vector(&bps[i]["L"])); - assert_eq!(p.R, point_vector(&bps[i]["R"])); - } - } - } - */ - - // check clsags - let cls = v.tx["rctsig_prunable"]["CLSAGs"].as_array().unwrap(); - for (i, cl) in clsags.iter().enumerate() { - assert_eq!(cl.D, point(&cls[i]["D"])); - assert_eq!(cl.c1, scalar(&cls[i]["c1"])); - assert_eq!(cl.s, scalar_vector(&cls[i]["s"])); - } - - // check pseudo outs - assert_eq!(pseudo_outs, &point_vector(&v.tx["rctsig_prunable"]["pseudoOuts"])); - } - // TODO: Add - _ => panic!("non-null/CLSAG test vector"), - } - } - } - - // check serialized hex - let mut buf = Vec::new(); - tx.write(&mut buf).unwrap(); - let serialized_tx = hex::encode(&buf); - assert_eq!(serialized_tx, v.hex); - } -} - -#[test] -fn signature_hash() { - for v in tx_vectors() { - let tx = Transaction::read(&mut hex::decode(v.hex.clone()).unwrap().as_slice()).unwrap(); - // check for signature hashes - if let Some(sig_hash) = tx.signature_hash() { - assert_eq!(sig_hash, hex::decode(v.signature_hash.clone()).unwrap().as_slice()); - } else { - // make sure it is a miner tx. - assert!(matches!(tx.prefix().inputs[0], Input::Gen(_))); - } - } -} - -#[test] -fn hash() { - for v in &tx_vectors() { - let tx = Transaction::read(&mut hex::decode(v.hex.clone()).unwrap().as_slice()).unwrap(); - assert_eq!(tx.hash(), hex::decode(v.id.clone()).unwrap().as_slice()); - } -} - -#[test] -fn clsag() { - /* - // following keys belong to the wallet that created the CLSAG_TX, and to the - // CLSAG_TX itself and here for debug purposes in case this test unexpectedly fails some day. - let view_key = "9df81dd2e369004d3737850e4f0abaf2111720f270b174acf8e08547e41afb0b"; - let spend_key = "25f7339ce03a0206129c0bdd78396f80bf28183ccd16084d4ab1cbaf74f0c204"; - let tx_key = "650c8038e5c6f1c533cacc1713ac27ef3ec70d7feedde0c5b37556d915b4460c"; - */ - - #[derive(serde::Deserialize)] - struct TxData { - hex: String, - tx: Value, - } - #[derive(serde::Deserialize)] - struct OutData { - key: Value, - mask: Value, - } - let tx_data = serde_json::from_str::(CLSAG_TX).unwrap(); - let out_data = serde_json::from_str::>>(RING_DATA).unwrap(); - let tx = - Transaction::::read(&mut hex::decode(tx_data.hex).unwrap().as_slice()).unwrap(); - - // gather rings - let mut rings = vec![]; - for data in out_data { - let mut ring = vec![]; - for out in &data { - ring.push([point(&out.key), point(&out.mask)]); - } - rings.push(ring) - } - - // gather key images - let mut key_images = vec![]; - let inputs = tx_data.tx["vin"].as_array().unwrap(); - for input in inputs { - key_images.push(point(&input["key"]["k_image"])); - } - - // gather pseudo_outs - let mut pseudo_outs = vec![]; - let pouts = tx_data.tx["rctsig_prunable"]["pseudoOuts"].as_array().unwrap(); - for po in pouts { - pseudo_outs.push(point(po)); - } - - // verify clsags - match tx { - Transaction::V2 { proofs: Some(ref proofs), .. } => match &proofs.prunable { - RctPrunable::Clsag { bulletproof: _, clsags, .. } => { - for (i, cls) in clsags.iter().enumerate() { - cls - .verify(&rings[i], &key_images[i], &pseudo_outs[i], &tx.signature_hash().unwrap()) - .unwrap(); - } - } - // TODO: Add - _ => panic!("non-CLSAG test vector"), - }, - // TODO: Add - _ => panic!("non-CLSAG test vector"), - } -} diff --git a/networks/monero/src/tests/vectors/clsag_tx.json b/networks/monero/src/tests/vectors/clsag_tx.json deleted file mode 100644 index b41b5a15..00000000 --- a/networks/monero/src/tests/vectors/clsag_tx.json +++ /dev/null @@ -1,78 +0,0 @@ -{ - "hex": "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", - "tx": { - "version": 2, - "unlock_time": 0, - "vin": [ { - "key": { - "amount": 0, - "key_offsets": [ 2, 1, 2, 1, 1, 1, 1, 3, 2, 1, 12, 2, 1, 6, 1, 3], - "k_image": "d8c6f077bb201ffdc16407df206cb5962ec635a4a4c9cd7551b88698d1bef497" - } - }, { - "key": { - "amount": 0, - "key_offsets": [ 0, 4, 2, 4, 8, 1, 1, 3, 3, 3, 1, 1, 2, 1, 4, 1 - ], - "k_image": "8267c18a435f4a5dea50ad0f10755a4fd7783340beb3a3903a67fa14938edf42" - } - } - ], - "vout": [ { - "amount": 0, - "target": { - "tagged_key": { - "key": "9716cdbae38def9a74e7df5402c108270a1d5fc87c7e5ebaaaed68aae77701e3", - "view_tag": "cf" - } - } - }, { - "amount": 0, - "target": { - "tagged_key": { - "key": "082e27ca8af2b9e3004156c152aa98503b548b1591fdcd839ab550612ae6c9dc", - "view_tag": "7e" - } - } - } - ], - "extra": [ 1, 165, 124, 147, 251, 12, 167, 122, 185, 107, 125, 253, 115, 128, 196, 132, 45, 30, 88, 192, 85, 67, 14, 13, 66, 92, 209, 199, 108, 87, 140, 202, 57, 2, 9, 1, 149, 25, 248, 193, 206, 94, 32, 48 - ], - "rct_signatures": { - "type": 6, - "txnFee": 2605200000, - "ecdhInfo": [ { - "amount": "acd081c0dd2c7178" - }, { - "amount": "a341382720ada875" - }], - "outPk": [ "88a96ac5cff1623fd2e4aaf56ed395a325393fbd950428a3ff7e6dc6c559669c", "8d5e8fb80d5e979c8a81c89754201d4bd094c37c143759260e282555dfed3100"] - }, - "rctsig_prunable": { - "nbp": 1, - "bpp": [ { - "A": "3256ca0156c1c34dc569565039c27f784b45ec50ba816f69b54ae3df98d84107", - "A1": "0f51aec2a8afd4991d5bbf50b785d0bdc2a6491c5ab45795d7ce3b08d6328290", - "B": "7c52f9951e711cb6a2cba1aba1f7849a669345711263cc736e2d4e1c7308c5e7", - "r1": "cb97e948ed647f89fc9869fb9c9a5a742e5e7be419cce7a5e99a5b21cb491f00", - "s1": "003ec1da7e8cec39b709d46fab65f59f5f6147c1e4429d18d8bf6e3e62639102", - "d1": "a300ce6006a20403ef021a197b6c632ac280e674c7aad08290424271dec4de01", - "L": [ "10ee7895389150dd15017cfd5f47ea9dddd11e218251433906f62aff6b8cb2b5", "f8cca25add297da40d7cddbea718703ff9ad3795fcdc172a34c73179326c16f5", "274de69073281f3276d800fe7fbd01a07d14a42ce367c32727a9f0bc8c8d6ab4", "b3b17dd981bdc522595fc1bfe83ad3976876fb3bb2e4bd4392ac1a94ac22cbcc", "326ede82d1af2f1ec9d4ac596b22d035c7f1ac11d8ace7c5a70b30e39596ded7", "94077ae55144e3f4b0c17cbc4f5a960129eb5321077bb7e2b9e4621e17fbcf29", "60abae1e1a9f89af21cc2fcce410a839186b8da92966415d6dd3ad772d652cbe" - ], - "R": [ "5af46b97ae7062ccbaa328e371a351492f6860832c5bfdd7b77e8611b7441ecf", "a0967e66c13cb9ab348bf78a15bbd2d9bec6b8ec5cdd5f84a91580758247da84", "afed22ec2cf89d632e406fdc927e48ebfaacd0a0b715a968c9cfc74fff611f4c", "da4b6cb9eb1e044a71c58a832c5ae7551833c0ba2ab6f9d1e466e5757c230157", "cd3099686bf89e8f9eb822ea702e13e38f669603dd3c7c8be90daf192de689ab", "2078d16cf489f3782e70469fbe01f918297e0db6cef3bf48e0293b6856d348fd", "a3a2d76bf899432acef74aa42961be28635d1899509b9d368bc42a18e08d2b94" - ] - } - ], - "CLSAGs": [ { - "s": [ "b055da149139c347f7c0b2a381dfaa12aaaabe076f38fe12372d1ba17cd0d808", "ed5b4b911f8cee2e45841a4c879f40968e455ba5a796b27c968be0f7e88daf0b", "766fcf2c5986fbe14b2e0433cecb04af100ec81d03e2875d25483d0a9dc9dc0a", "42150a64e894af1655e9ab99f629826f63c01e44b366c5fe2959c7396450360a", "3156ad081764b5904a7654fe82a2b1d52db46361c0b08dfeee383165641e6e0e", "5733e5fb99fc8c75ba5cf230518b1e384d4441251840e810aed950eb27899809", "711d42c54f8fc0647537e249e510738412c399b915ff923e9209cdd12820720b", "8b07086f3361d6b95934f994a8ac4fb6a9598f11d54bbbcfc33e71b9f7357001", "2b3520914dfab3f3fe15abad981d8ed71dab71ac8f45f187f62ad440a83d000e", "08fc039ece25e7eadd0ce169ccda8182321cd73eba6f6d0e4f482a061eb4190f", "e4051e6988a47165cb2cf39973b1a555cc92d662f4e856a91c0cd51a486b960c", "fc850c4fc854f9a4aade4336942cb50cb50ae3bc31d3da50b719196d5fd40f02", "b1addad16de443e825bf7177beaac79adc6b198115f408a391a94a8517b7e50f", "d57663df52309c0a00b0b61373f895206771be8b185c54da6f805b561264aa01", "9ef3bd1dcded26fc45a6a0e39cbb7bc6a7025ab858bc8e54a99da3aedce68f00", "bacc83a7eb3553ac626881188329b6ba86a53aaaaed9bd9efb0528f08c649c09"], - "c1": "3f005dd0fa9620b0a40fc3f248c1d0edb8f70ff05c7254de0f8faab831544302", - "D": "1b3d279f5a4218c3126dee5d6eceae1c49eabdd04d8a0cdb6814c422b3ea69b3" - }, { - "s": [ "be3794f42081e65dc47b1d2fc2f5705cef816596416c373bd60abc4ff06b3f02", "ef34dc290f987607bdb16c1650307ea3bc0fc7a62ce86e7129293d7530c3cf09", "dc731e22c18daec3c639575421b079fa57be56693278125b2aa50c299ac4f802", "0714c6ac666b7fb7471c63adda93f1fa6733729f7b6e326ac04744f9c3223d04", "56ee515d0bfe27101f907cca958dddb90717bed5229c1a02928fab9e7be4e401", "2c96d3acda0ebca72e63f41efdad5c9baa19bffd1216e4c3e2e5564e823b5705", "4a3a2cf2c3318f214d23f24304655e73d5001518633757f6cbe6711f2a5f2601", "df20a753caaa87a32fe627b6ce7573ce77957c7b6401959824fd49bc7063670f", "b18fcc1f2de113affd868eb76c7fbe12997024dc493b6a26563a80574a52760a", "7b384fd2f9d23d8dfe4d226b15086751d4f383d4bca7cf080fd471b8a218b709", "b539f4e5417677f43627ef06b70c24edacce80bdd10ca2ac9af8aa3f6453cc08", "da75ee99409447225843c143fca551167a4aa5fd2354a5420c35c0006731950d", "6c356218d8cf365e084d9bb52c793322aa2d8d05c4164d9ffe81ce09e4f17802", "efa7461d375a5cff4c17ab0cdc5767a8f7d34091921fd4620660470ea9305f00", "dd9e6ee5ca4054ac0b36d4e2b58006224559cc19a3a4e48f66aa596295541007", "f2524b2198f3c0c688fbbc38590f59674b25e528ac2115a0f7da805d9c581006"], - "c1": "5f95c7c7ece23d2de922e55a77f967baab6d9db543e49734a8c4bc23c5ae640e", - "D": "db904851b4856c5a1ce4729957f4d000e70cb88c56d80bf6e693a5c67d566191" - }], - "pseudoOuts": [ "1374d7aa7f6e6f4a5b340a9954d9cf8bd5d2f4b4a37f946e15bca800978ae745", "eec2096b3def10f9703a6e2040df0d8a89bf1562bb29d3a13df2f9a77c3e064e"] - } - } -} diff --git a/networks/monero/src/tests/vectors/ring_data.json b/networks/monero/src/tests/vectors/ring_data.json deleted file mode 100644 index 21601245..00000000 --- a/networks/monero/src/tests/vectors/ring_data.json +++ /dev/null @@ -1,134 +0,0 @@ -[ - [ - { - "key": "a1abc026eb4a18ca197ca7dbd32f7a4e66cda075a7c07ee6cbe68639a4b4ee46", - "mask": "48d7f0b8796720c7edef5e3797135b3e5ad2ae23db1d934bcf6d6bc396b8ed47" - }, - { - "key": "a374121e22ed620248c970e7f32ea7598b054f73c1edec33c4e1b18a73c35c14", - "mask": "15beeeedc9b33615097e0fac0acc6a0984e139fa2b4196896877a8cc3ebc3590" - }, - { - "key": "e2ac4d36f9567092563a09c7a19c5e21c39598f5d9d9dd8733b61cebb3ea8662", - "mask": "3d9105f85f9edd3f7f72b62385bb9a42d549331d3babea6cf73bbbcde8e4f53c" - 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"signature_hash": "1ad261b4c8f35b8861c4f3a78b240a85e44be6a8ac49acd1e50de4680adf7fac", - "tx": { - "version": 1, - "unlock_time": 0, - "vin": [ - { - "key": { - "amount": 30670000, - "key_offsets": [0], - "k_image": "e53d3d97d11974ccf49d23513b9465bc139bda14b8207288e41557707e59c2dc" - } - }, - { - "key": { - "amount": 1808040000, - "key_offsets": [1], - "k_image": "33e69f524f1989738827c9fb9087d45d7b6865645453f620189939d926735b39" - } - }, - { - "key": { - "amount": 9375390000, - "key_offsets": [0], - "k_image": "1d680e360c156c7cc952b0c4fc39a39c95a766423109766ae3dcf0c5cf8abf9e" - } - } - ], - "vout": [ - { - "amount": 900000, - "target": { - "key": "6bcac41f5468fd1bcf8994e1a4282aecb420005ec294324faec5c6f468066147" - } - }, - { - "amount": 10000000000, - "target": { - "key": "7998ef0ac319d96b224fa3c33fe12677ef06f4aed80916f28e3f7a684a1c89d7" - } - }, - { - "amount": 1000000000, - "target": { - "key": "8e0004b98f7c622f1d0364a2d0270c40e6606793bd948a41af9287016d264d75" - } - }, - { - "amount": 10000000, - "target": { - "key": "f911ad66eabcd8112e90130d7594cb8fc413431da9b5b004c8651d100a2ac8fb" - } - }, - { - "amount": 200000000, - "target": { - "key": "9caa24c41b1b4938e7e066a7e59592fdc3c832e2516048e57af5d8acca9bef0a" - } - }, - { - "amount": 40000, - "target": { - "key": "e99b6a2e000f03f73c1966e16875945ffad20b1895efa17202c6e240191b01e4" - } - } - ], - "extra": [ 1, 29, 166, 255, 150, 109, 244, 59, 212, 79, 81, 58, 170, 250, 38, 12, 84, 226, 173, 49, 70, 150, 100, 250, 123, 10, 68, 254, 212, 234, 217, 164, 131], - "signatures": [ "056cd88c350b340289694ad525f1316367ed16673dc23911e624e6bac4a48b032a623d09ce5bd85a839534de4fbbfb72da2a6779a66f775c16379e8abd122401", "a5a19c47bb8ecd0c7aa9610513b611602d246f3b07fa19512dc8fde7b180c704694b2d75abbaa2907cda52f888f18ded34308dd1b40f1fb33a01340a1ddc5f07", "ce19ab4357c52764600861d2d331cfed5972fff42dac64583d617fa4ee27a509a8c29ff77fc71bc7cd106ce54cd3020d1c18c6c794aaa93cb32cd4ff55d82b04"] - } - } -] diff --git a/networks/monero/src/transaction.rs b/networks/monero/src/transaction.rs deleted file mode 100644 index d70da5ff..00000000 --- a/networks/monero/src/transaction.rs +++ /dev/null @@ -1,635 +0,0 @@ -use core::cmp::Ordering; -use std_shims::{ - vec, - vec::Vec, - io::{self, Read, Write}, -}; - -use zeroize::Zeroize; - -use curve25519_dalek::edwards::{EdwardsPoint, CompressedEdwardsY}; - -use crate::{ - io::*, - primitives::keccak256, - ring_signatures::RingSignature, - ringct::{bulletproofs::Bulletproof, PrunedRctProofs}, -}; - -/// An input in the Monero protocol. -#[derive(Clone, PartialEq, Eq, Debug)] -pub enum Input { - /// An input for a miner transaction, which is generating new coins. - Gen(usize), - /// An input spending an output on-chain. - ToKey { - /// The pool this input spends an output of. - amount: Option, - /// The decoys used by this input's ring, specified as their offset distance from each other. - key_offsets: Vec, - /// The key image (linking tag, nullifer) for the spent output. - key_image: EdwardsPoint, - }, -} - -impl Input { - /// Write the Input. - pub fn write(&self, w: &mut W) -> io::Result<()> { - match self { - Input::Gen(height) => { - w.write_all(&[255])?; - write_varint(height, w) - } - - Input::ToKey { amount, key_offsets, key_image } => { - w.write_all(&[2])?; - write_varint(&amount.unwrap_or(0), w)?; - write_vec(write_varint, key_offsets, w)?; - write_point(key_image, w) - } - } - } - - /// Serialize the Input to a `Vec`. - pub fn serialize(&self) -> Vec { - let mut res = vec![]; - self.write(&mut res).expect("write failed but doesn't fail"); - res - } - - /// Read an Input. - pub fn read(r: &mut R) -> io::Result { - Ok(match read_byte(r)? { - 255 => Input::Gen(read_varint(r)?), - 2 => { - let amount = read_varint(r)?; - // https://github.com/monero-project/monero/ - // blob/00fd416a99686f0956361d1cd0337fe56e58d4a7/ - // src/cryptonote_basic/cryptonote_format_utils.cpp#L860-L863 - // A non-RCT 0-amount input can't exist because only RCT TXs can have a 0-amount output - // That's why collapsing to None if the amount is 0 is safe, even without knowing if RCT - let amount = if amount == 0 { None } else { Some(amount) }; - Input::ToKey { - amount, - key_offsets: read_vec(read_varint, None, r)?, - key_image: read_torsion_free_point(r)?, - } - } - _ => Err(io::Error::other("Tried to deserialize unknown/unused input type"))?, - }) - } -} - -/// An output in the Monero protocol. -#[derive(Clone, PartialEq, Eq, Debug)] -pub struct Output { - /// The pool this output should be sorted into. - pub amount: Option, - /// The key which can spend this output. - pub key: CompressedEdwardsY, - /// The view tag for this output, as used to accelerate scanning. - pub view_tag: Option, -} - -impl Output { - /// Write the Output. - pub fn write(&self, w: &mut W) -> io::Result<()> { - write_varint(&self.amount.unwrap_or(0), w)?; - w.write_all(&[2 + u8::from(self.view_tag.is_some())])?; - w.write_all(&self.key.to_bytes())?; - if let Some(view_tag) = self.view_tag { - w.write_all(&[view_tag])?; - } - Ok(()) - } - - /// Write the Output to a `Vec`. - pub fn serialize(&self) -> Vec { - let mut res = Vec::with_capacity(8 + 1 + 32); - self.write(&mut res).expect("write failed but doesn't fail"); - res - } - - /// Read an Output. - pub fn read(rct: bool, r: &mut R) -> io::Result { - let amount = read_varint(r)?; - let amount = if rct { - if amount != 0 { - Err(io::Error::other("RCT TX output wasn't 0"))?; - } - None - } else { - Some(amount) - }; - - let view_tag = match read_byte(r)? { - 2 => false, - 3 => true, - _ => Err(io::Error::other("Tried to deserialize unknown/unused output type"))?, - }; - - Ok(Output { - amount, - key: CompressedEdwardsY(read_bytes(r)?), - view_tag: if view_tag { Some(read_byte(r)?) } else { None }, - }) - } -} - -/// An additional timelock for a Monero transaction. -/// -/// Monero outputs are locked by a default timelock. If a timelock is explicitly specified, the -/// longer of the two will be the timelock used. -#[derive(Clone, Copy, PartialEq, Eq, Debug, Zeroize)] -pub enum Timelock { - /// No additional timelock. - None, - /// Additionally locked until this block. - Block(usize), - /// Additionally locked until this many seconds since the epoch. - Time(u64), -} - -impl Timelock { - /// Write the Timelock. - pub fn write(&self, w: &mut W) -> io::Result<()> { - match self { - Timelock::None => write_varint(&0u8, w), - Timelock::Block(block) => write_varint(block, w), - Timelock::Time(time) => write_varint(time, w), - } - } - - /// Serialize the Timelock to a `Vec`. - pub fn serialize(&self) -> Vec { - let mut res = Vec::with_capacity(1); - self.write(&mut res).expect("write failed but doesn't fail"); - res - } - - /// Read a Timelock. - pub fn read(r: &mut R) -> io::Result { - const TIMELOCK_BLOCK_THRESHOLD: usize = 500_000_000; - - let raw = read_varint::<_, u64>(r)?; - Ok(if raw == 0 { - Timelock::None - } else if raw < - u64::try_from(TIMELOCK_BLOCK_THRESHOLD) - .expect("TIMELOCK_BLOCK_THRESHOLD didn't fit in a u64") - { - Timelock::Block(usize::try_from(raw).expect( - "timelock overflowed usize despite being less than a const representable with a usize", - )) - } else { - Timelock::Time(raw) - }) - } -} - -impl PartialOrd for Timelock { - fn partial_cmp(&self, other: &Self) -> Option { - match (self, other) { - (Timelock::None, Timelock::None) => Some(Ordering::Equal), - (Timelock::None, _) => Some(Ordering::Less), - (_, Timelock::None) => Some(Ordering::Greater), - (Timelock::Block(a), Timelock::Block(b)) => a.partial_cmp(b), - (Timelock::Time(a), Timelock::Time(b)) => a.partial_cmp(b), - _ => None, - } - } -} - -/// The transaction prefix. -/// -/// This is common to all transaction versions and contains most parts of the transaction needed to -/// handle it. It excludes any proofs. -#[derive(Clone, PartialEq, Eq, Debug)] -pub struct TransactionPrefix { - /// The timelock this transaction is additionally constrained by. - /// - /// All transactions on the blockchain are subject to a 10-block lock. This adds a further - /// constraint. - pub additional_timelock: Timelock, - /// The inputs for this transaction. - pub inputs: Vec, - /// The outputs for this transaction. - pub outputs: Vec, - /// The additional data included within the transaction. - /// - /// This is an arbitrary data field, yet is used by wallets for containing the data necessary to - /// scan the transaction. - pub extra: Vec, -} - -impl TransactionPrefix { - /// Write a TransactionPrefix. - /// - /// This is distinct from Monero in that it won't write any version. - fn write(&self, w: &mut W) -> io::Result<()> { - self.additional_timelock.write(w)?; - write_vec(Input::write, &self.inputs, w)?; - write_vec(Output::write, &self.outputs, w)?; - write_varint(&self.extra.len(), w)?; - w.write_all(&self.extra) - } - - /// Read a TransactionPrefix. - /// - /// This is distinct from Monero in that it won't read the version. The version must be passed - /// in. - pub fn read(r: &mut R, version: u64) -> io::Result { - let additional_timelock = Timelock::read(r)?; - - let inputs = read_vec(|r| Input::read(r), None, r)?; - if inputs.is_empty() { - Err(io::Error::other("transaction had no inputs"))?; - } - let is_miner_tx = matches!(inputs[0], Input::Gen { .. }); - - let mut prefix = TransactionPrefix { - additional_timelock, - inputs, - outputs: read_vec(|r| Output::read((!is_miner_tx) && (version == 2), r), None, r)?, - extra: vec![], - }; - prefix.extra = read_vec(read_byte, None, r)?; - Ok(prefix) - } - - fn hash(&self, version: u64) -> [u8; 32] { - let mut buf = vec![]; - write_varint(&version, &mut buf).expect("write failed but doesn't fail"); - self.write(&mut buf).expect("write failed but doesn't fail"); - keccak256(buf) - } -} - -mod sealed { - use core::fmt::Debug; - use crate::ringct::*; - use super::*; - - pub(crate) trait RingSignatures: Clone + PartialEq + Eq + Default + Debug { - fn signatures_to_write(&self) -> &[RingSignature]; - fn read_signatures(inputs: &[Input], r: &mut impl Read) -> io::Result; - } - - impl RingSignatures for Vec { - fn signatures_to_write(&self) -> &[RingSignature] { - self - } - fn read_signatures(inputs: &[Input], r: &mut impl Read) -> io::Result { - let mut signatures = Vec::with_capacity(inputs.len()); - for input in inputs { - match input { - Input::ToKey { key_offsets, .. } => { - signatures.push(RingSignature::read(key_offsets.len(), r)?) - } - _ => Err(io::Error::other("reading signatures for a transaction with non-ToKey inputs"))?, - } - } - Ok(signatures) - } - } - - impl RingSignatures for () { - fn signatures_to_write(&self) -> &[RingSignature] { - &[] - } - fn read_signatures(_: &[Input], _: &mut impl Read) -> io::Result { - Ok(()) - } - } - - pub(crate) trait RctProofsTrait: Clone + PartialEq + Eq + Debug { - fn write(&self, w: &mut impl Write) -> io::Result<()>; - fn read( - ring_length: usize, - inputs: usize, - outputs: usize, - r: &mut impl Read, - ) -> io::Result>; - fn rct_type(&self) -> RctType; - fn base(&self) -> &RctBase; - } - - impl RctProofsTrait for RctProofs { - fn write(&self, w: &mut impl Write) -> io::Result<()> { - self.write(w) - } - fn read( - ring_length: usize, - inputs: usize, - outputs: usize, - r: &mut impl Read, - ) -> io::Result> { - RctProofs::read(ring_length, inputs, outputs, r) - } - fn rct_type(&self) -> RctType { - self.rct_type() - } - fn base(&self) -> &RctBase { - &self.base - } - } - - impl RctProofsTrait for PrunedRctProofs { - fn write(&self, w: &mut impl Write) -> io::Result<()> { - self.base.write(w, self.rct_type) - } - fn read( - _ring_length: usize, - inputs: usize, - outputs: usize, - r: &mut impl Read, - ) -> io::Result> { - Ok(RctBase::read(inputs, outputs, r)?.map(|(rct_type, base)| Self { rct_type, base })) - } - fn rct_type(&self) -> RctType { - self.rct_type - } - fn base(&self) -> &RctBase { - &self.base - } - } - - pub(crate) trait PotentiallyPruned { - type RingSignatures: RingSignatures; - type RctProofs: RctProofsTrait; - } - /// A transaction which isn't pruned. - #[derive(Clone, PartialEq, Eq, Debug)] - pub struct NotPruned; - impl PotentiallyPruned for NotPruned { - type RingSignatures = Vec; - type RctProofs = RctProofs; - } - /// A transaction which is pruned. - #[derive(Clone, PartialEq, Eq, Debug)] - pub struct Pruned; - impl PotentiallyPruned for Pruned { - type RingSignatures = (); - type RctProofs = PrunedRctProofs; - } -} -pub use sealed::*; - -/// A Monero transaction. -#[allow(private_bounds, private_interfaces, clippy::large_enum_variant)] -#[derive(Clone, PartialEq, Eq, Debug)] -pub enum Transaction { - /// A version 1 transaction, used by the original Cryptonote codebase. - V1 { - /// The transaction's prefix. - prefix: TransactionPrefix, - /// The transaction's ring signatures. - signatures: P::RingSignatures, - }, - /// A version 2 transaction, used by the RingCT protocol. - V2 { - /// The transaction's prefix. - prefix: TransactionPrefix, - /// The transaction's proofs. - proofs: Option, - }, -} - -enum PrunableHash<'a> { - V1(&'a [RingSignature]), - V2([u8; 32]), -} - -#[allow(private_bounds)] -impl Transaction

{ - /// Get the version of this transaction. - pub fn version(&self) -> u8 { - match self { - Transaction::V1 { .. } => 1, - Transaction::V2 { .. } => 2, - } - } - - /// Get the TransactionPrefix of this transaction. - pub fn prefix(&self) -> &TransactionPrefix { - match self { - Transaction::V1 { prefix, .. } | Transaction::V2 { prefix, .. } => prefix, - } - } - - /// Get a mutable reference to the TransactionPrefix of this transaction. - pub fn prefix_mut(&mut self) -> &mut TransactionPrefix { - match self { - Transaction::V1 { prefix, .. } | Transaction::V2 { prefix, .. } => prefix, - } - } - - /// Write the Transaction. - /// - /// Some writable transactions may not be readable if they're malformed, per Monero's consensus - /// rules. - pub fn write(&self, w: &mut W) -> io::Result<()> { - write_varint(&self.version(), w)?; - match self { - Transaction::V1 { prefix, signatures } => { - prefix.write(w)?; - for ring_sig in signatures.signatures_to_write() { - ring_sig.write(w)?; - } - } - Transaction::V2 { prefix, proofs } => { - prefix.write(w)?; - match proofs { - None => w.write_all(&[0])?, - Some(proofs) => proofs.write(w)?, - } - } - } - Ok(()) - } - - /// Write the Transaction to a `Vec`. - pub fn serialize(&self) -> Vec { - let mut res = Vec::with_capacity(2048); - self.write(&mut res).expect("write failed but doesn't fail"); - res - } - - /// Read a Transaction. - pub fn read(r: &mut R) -> io::Result { - let version = read_varint(r)?; - let prefix = TransactionPrefix::read(r, version)?; - - if version == 1 { - let signatures = if (prefix.inputs.len() == 1) && matches!(prefix.inputs[0], Input::Gen(_)) { - Default::default() - } else { - P::RingSignatures::read_signatures(&prefix.inputs, r)? - }; - - Ok(Transaction::V1 { prefix, signatures }) - } else if version == 2 { - let proofs = P::RctProofs::read( - prefix.inputs.first().map_or(0, |input| match input { - Input::Gen(_) => 0, - Input::ToKey { key_offsets, .. } => key_offsets.len(), - }), - prefix.inputs.len(), - prefix.outputs.len(), - r, - )?; - - Ok(Transaction::V2 { prefix, proofs }) - } else { - Err(io::Error::other("tried to deserialize unknown version")) - } - } - - // The hash of the transaction. - #[allow(clippy::needless_pass_by_value)] - fn hash_with_prunable_hash(&self, prunable: PrunableHash<'_>) -> [u8; 32] { - match self { - Transaction::V1 { prefix, .. } => { - let mut buf = Vec::with_capacity(512); - - // We don't use `self.write` as that may write the signatures (if this isn't pruned) - write_varint(&self.version(), &mut buf) - .expect("write failed but doesn't fail"); - prefix.write(&mut buf).expect("write failed but doesn't fail"); - - // We explicitly write the signatures ourselves here - let PrunableHash::V1(signatures) = prunable else { - panic!("hashing v1 TX with non-v1 prunable data") - }; - for signature in signatures { - signature.write(&mut buf).expect("write failed but doesn't fail"); - } - - keccak256(buf) - } - Transaction::V2 { prefix, proofs } => { - let mut hashes = Vec::with_capacity(96); - - hashes.extend(prefix.hash(2)); - - if let Some(proofs) = proofs { - let mut buf = Vec::with_capacity(512); - proofs - .base() - .write(&mut buf, proofs.rct_type()) - .expect("write failed but doesn't fail"); - hashes.extend(keccak256(&buf)); - } else { - // Serialization of RctBase::Null - hashes.extend(keccak256([0])); - } - let PrunableHash::V2(prunable_hash) = prunable else { - panic!("hashing v2 TX with non-v2 prunable data") - }; - hashes.extend(prunable_hash); - - keccak256(hashes) - } - } - } -} - -impl Transaction { - /// The hash of the transaction. - pub fn hash(&self) -> [u8; 32] { - match self { - Transaction::V1 { signatures, .. } => { - self.hash_with_prunable_hash(PrunableHash::V1(signatures)) - } - Transaction::V2 { proofs, .. } => { - self.hash_with_prunable_hash(PrunableHash::V2(if let Some(proofs) = proofs { - let mut buf = Vec::with_capacity(1024); - proofs - .prunable - .write(&mut buf, proofs.rct_type()) - .expect("write failed but doesn't fail"); - keccak256(buf) - } else { - [0; 32] - })) - } - } - } - - /// Calculate the hash of this transaction as needed for signing it. - /// - /// This returns None if the transaction is without signatures. - pub fn signature_hash(&self) -> Option<[u8; 32]> { - Some(match self { - Transaction::V1 { prefix, .. } => { - if (prefix.inputs.len() == 1) && matches!(prefix.inputs[0], Input::Gen(_)) { - None?; - } - self.hash_with_prunable_hash(PrunableHash::V1(&[])) - } - Transaction::V2 { proofs, .. } => self.hash_with_prunable_hash({ - let Some(proofs) = proofs else { None? }; - let mut buf = Vec::with_capacity(1024); - proofs - .prunable - .signature_write(&mut buf) - .expect("write failed but doesn't fail"); - PrunableHash::V2(keccak256(buf)) - }), - }) - } - - fn is_rct_bulletproof(&self) -> bool { - match self { - Transaction::V1 { .. } => false, - Transaction::V2 { proofs, .. } => { - let Some(proofs) = proofs else { return false }; - proofs.rct_type().bulletproof() - } - } - } - - fn is_rct_bulletproof_plus(&self) -> bool { - match self { - Transaction::V1 { .. } => false, - Transaction::V2 { proofs, .. } => { - let Some(proofs) = proofs else { return false }; - proofs.rct_type().bulletproof_plus() - } - } - } - - /// Calculate the transaction's weight. - pub fn weight(&self) -> usize { - let blob_size = self.serialize().len(); - - let bp = self.is_rct_bulletproof(); - let bp_plus = self.is_rct_bulletproof_plus(); - if !(bp || bp_plus) { - blob_size - } else { - blob_size + - Bulletproof::calculate_clawback( - bp_plus, - match self { - Transaction::V1 { .. } => panic!("v1 transaction was BP(+)"), - Transaction::V2 { prefix, .. } => prefix.outputs.len(), - }, - ) - .0 - } - } -} - -impl From> for Transaction { - fn from(tx: Transaction) -> Transaction { - match tx { - Transaction::V1 { prefix, .. } => Transaction::V1 { prefix, signatures: () }, - Transaction::V2 { prefix, proofs } => Transaction::V2 { - prefix, - proofs: proofs - .map(|proofs| PrunedRctProofs { rct_type: proofs.rct_type(), base: proofs.base }), - }, - } - } -} diff --git a/networks/monero/tests/tests.rs b/networks/monero/tests/tests.rs deleted file mode 100644 index 7b6656f2..00000000 --- a/networks/monero/tests/tests.rs +++ /dev/null @@ -1,3 +0,0 @@ -// TODO -#[test] -fn test() {} diff --git a/networks/monero/verify-chain/Cargo.toml b/networks/monero/verify-chain/Cargo.toml deleted file mode 100644 index e1aba16e..00000000 --- a/networks/monero/verify-chain/Cargo.toml +++ /dev/null @@ -1,32 +0,0 @@ -[package] -name = "monero-serai-verify-chain" -version = "0.1.0" -description = "A binary to deserialize and verify the Monero blockchain" -license = "MIT" -repository = "https://github.com/serai-dex/serai/tree/develop/networks/monero/verify-chain" -authors = ["Luke Parker "] -edition = "2021" -rust-version = "1.80" -publish = false - -[package.metadata.docs.rs] -all-features = true -rustdoc-args = ["--cfg", "docsrs"] - -[lints] -workspace = true - -[dependencies] -rand_core = { version = "0.6", default-features = false, features = ["std"] } - -curve25519-dalek = { version = "4", default-features = false, features = ["alloc", "zeroize"] } - -hex = { version = "0.4", default-features = false, features = ["std"] } -serde = { version = "1", default-features = false, features = ["derive", "alloc", "std"] } -serde_json = { version = "1", default-features = false, features = ["alloc", "std"] } - -monero-serai = { path = "..", default-features = false, features = ["std", "compile-time-generators"] } -monero-rpc = { path = "../rpc", default-features = false, features = ["std"] } -monero-simple-request-rpc = { path = "../rpc/simple-request", default-features = false } - -tokio = { version = "1", default-features = false, features = ["rt-multi-thread", "macros"] } diff --git a/networks/monero/verify-chain/LICENSE b/networks/monero/verify-chain/LICENSE deleted file mode 100644 index 91d893c1..00000000 --- a/networks/monero/verify-chain/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2022-2024 Luke Parker - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/networks/monero/verify-chain/README.md b/networks/monero/verify-chain/README.md deleted file mode 100644 index 4348b2c1..00000000 --- a/networks/monero/verify-chain/README.md +++ /dev/null @@ -1,7 +0,0 @@ -# monero-serai Verify Chain - -A binary to deserialize and verify the Monero blockchain. - -This is not complete. This is not intended to be complete. This is intended to -test monero-serai against actual blockchain data. Do not use this as an -inflation checker. diff --git a/networks/monero/verify-chain/src/main.rs b/networks/monero/verify-chain/src/main.rs deleted file mode 100644 index 2cc56c55..00000000 --- a/networks/monero/verify-chain/src/main.rs +++ /dev/null @@ -1,284 +0,0 @@ -#![cfg_attr(docsrs, feature(doc_auto_cfg))] -#![doc = include_str!("../README.md")] -#![deny(missing_docs)] - -use curve25519_dalek::{scalar::Scalar, edwards::EdwardsPoint}; - -use serde::Deserialize; -use serde_json::json; - -use monero_serai::{ - io::decompress_point, - primitives::Commitment, - ringct::{RctPrunable, bulletproofs::BatchVerifier}, - transaction::{Input, Transaction}, - block::Block, -}; - -use monero_rpc::{RpcError, Rpc}; -use monero_simple_request_rpc::SimpleRequestRpc; - -use tokio::task::JoinHandle; - -async fn check_block(rpc: impl Rpc, block_i: usize) { - let hash = loop { - match rpc.get_block_hash(block_i).await { - Ok(hash) => break hash, - Err(RpcError::ConnectionError(e)) => { - println!("get_block_hash ConnectionError: {e}"); - continue; - } - Err(e) => panic!("couldn't get block {block_i}'s hash: {e:?}"), - } - }; - - // TODO: Grab the JSON to also check it was deserialized correctly - #[derive(Deserialize, Debug)] - struct BlockResponse { - blob: String, - } - let res: BlockResponse = loop { - match rpc.json_rpc_call("get_block", Some(json!({ "hash": hex::encode(hash) }))).await { - Ok(res) => break res, - Err(RpcError::ConnectionError(e)) => { - println!("get_block ConnectionError: {e}"); - continue; - } - Err(e) => panic!("couldn't get block {block_i} via block.hash(): {e:?}"), - } - }; - - let blob = hex::decode(res.blob).expect("node returned non-hex block"); - let block = Block::read(&mut blob.as_slice()) - .unwrap_or_else(|e| panic!("couldn't deserialize block {block_i}: {e}")); - assert_eq!(block.hash(), hash, "hash differs"); - assert_eq!(block.serialize(), blob, "serialization differs"); - - let txs_len = 1 + block.transactions.len(); - - if !block.transactions.is_empty() { - // Test getting pruned transactions - loop { - match rpc.get_pruned_transactions(&block.transactions).await { - Ok(_) => break, - Err(RpcError::ConnectionError(e)) => { - println!("get_pruned_transactions ConnectionError: {e}"); - continue; - } - Err(e) => panic!("couldn't call get_pruned_transactions: {e:?}"), - } - } - - let txs = loop { - match rpc.get_transactions(&block.transactions).await { - Ok(txs) => break txs, - Err(RpcError::ConnectionError(e)) => { - println!("get_transactions ConnectionError: {e}"); - continue; - } - Err(e) => panic!("couldn't call get_transactions: {e:?}"), - } - }; - - let mut batch = BatchVerifier::new(); - for tx in txs { - match tx { - Transaction::V1 { prefix: _, signatures } => { - assert!(!signatures.is_empty()); - continue; - } - Transaction::V2 { prefix: _, proofs: None } => { - panic!("proofs were empty in non-miner v2 transaction"); - } - Transaction::V2 { ref prefix, proofs: Some(ref proofs) } => { - let sig_hash = tx.signature_hash().expect("no signature hash for TX with proofs"); - // Verify all proofs we support proving for - // This is due to having debug_asserts calling verify within their proving, and CLSAG - // multisig explicitly calling verify as part of its signing process - // Accordingly, making sure our signature_hash algorithm is correct is great, and further - // making sure the verification functions are valid is appreciated - match &proofs.prunable { - RctPrunable::AggregateMlsagBorromean { .. } | RctPrunable::MlsagBorromean { .. } => {} - RctPrunable::MlsagBulletproofs { bulletproof, .. } | - RctPrunable::MlsagBulletproofsCompactAmount { bulletproof, .. } => { - assert!(bulletproof.batch_verify( - &mut rand_core::OsRng, - &mut batch, - &proofs.base.commitments - )); - } - RctPrunable::Clsag { bulletproof, clsags, pseudo_outs } => { - assert!(bulletproof.batch_verify( - &mut rand_core::OsRng, - &mut batch, - &proofs.base.commitments - )); - - for (i, clsag) in clsags.iter().enumerate() { - let (amount, key_offsets, image) = match &prefix.inputs[i] { - Input::Gen(_) => panic!("Input::Gen"), - Input::ToKey { amount, key_offsets, key_image } => { - (amount, key_offsets, key_image) - } - }; - - let mut running_sum = 0; - let mut actual_indexes = vec![]; - for offset in key_offsets { - running_sum += offset; - actual_indexes.push(running_sum); - } - - async fn get_outs( - rpc: &impl Rpc, - amount: u64, - indexes: &[u64], - ) -> Vec<[EdwardsPoint; 2]> { - #[derive(Deserialize, Debug)] - struct Out { - key: String, - mask: String, - } - - #[derive(Deserialize, Debug)] - struct Outs { - outs: Vec, - } - - let outs: Outs = loop { - match rpc - .rpc_call( - "get_outs", - Some(json!({ - "get_txid": true, - "outputs": indexes.iter().map(|o| json!({ - "amount": amount, - "index": o - })).collect::>() - })), - ) - .await - { - Ok(outs) => break outs, - Err(RpcError::ConnectionError(e)) => { - println!("get_outs ConnectionError: {e}"); - continue; - } - Err(e) => panic!("couldn't connect to RPC to get outs: {e:?}"), - } - }; - - let rpc_point = |point: &str| { - decompress_point( - hex::decode(point) - .expect("invalid hex for ring member") - .try_into() - .expect("invalid point len for ring member"), - ) - .expect("invalid point for ring member") - }; - - outs - .outs - .iter() - .map(|out| { - let mask = rpc_point(&out.mask); - if amount != 0 { - assert_eq!(mask, Commitment::new(Scalar::from(1u8), amount).calculate()); - } - [rpc_point(&out.key), mask] - }) - .collect() - } - - clsag - .verify( - &get_outs(&rpc, amount.unwrap_or(0), &actual_indexes).await, - image, - &pseudo_outs[i], - &sig_hash, - ) - .unwrap(); - } - } - } - } - } - } - assert!(batch.verify()); - } - - println!("Deserialized, hashed, and reserialized {block_i} with {txs_len} TXs"); -} - -#[tokio::main] -async fn main() { - let args = std::env::args().collect::>(); - - // Read start block as the first arg - let mut block_i = - args.get(1).expect("no start block specified").parse::().expect("invalid start block"); - - // How many blocks to work on at once - let async_parallelism: usize = - args.get(2).unwrap_or(&"8".to_string()).parse::().expect("invalid parallelism argument"); - - // Read further args as RPC URLs - let default_nodes = vec![ - "http://xmr-node-uk.cakewallet.com:18081".to_string(), - "http://xmr-node-eu.cakewallet.com:18081".to_string(), - ]; - let mut specified_nodes = vec![]; - { - let mut i = 0; - loop { - let Some(node) = args.get(3 + i) else { break }; - specified_nodes.push(node.clone()); - i += 1; - } - } - let nodes = if specified_nodes.is_empty() { default_nodes } else { specified_nodes }; - - let rpc = |url: String| async move { - SimpleRequestRpc::new(url.clone()) - .await - .unwrap_or_else(|_| panic!("couldn't create SimpleRequestRpc connected to {url}")) - }; - let main_rpc = rpc(nodes[0].clone()).await; - let mut rpcs = vec![]; - for i in 0 .. async_parallelism { - rpcs.push(rpc(nodes[i % nodes.len()].clone()).await); - } - - let mut rpc_i = 0; - let mut handles: Vec> = vec![]; - let mut height = 0; - loop { - let new_height = main_rpc.get_height().await.expect("couldn't call get_height"); - if new_height == height { - break; - } - height = new_height; - - while block_i < height { - if handles.len() >= async_parallelism { - // Guarantee one handle is complete - handles.swap_remove(0).await.unwrap(); - - // Remove all of the finished handles - let mut i = 0; - while i < handles.len() { - if handles[i].is_finished() { - handles.swap_remove(i).await.unwrap(); - continue; - } - i += 1; - } - } - - handles.push(tokio::spawn(check_block(rpcs[rpc_i].clone(), block_i))); - rpc_i = (rpc_i + 1) % rpcs.len(); - block_i += 1; - } - } -} diff --git a/networks/monero/wallet/Cargo.toml b/networks/monero/wallet/Cargo.toml deleted file mode 100644 index c0c34606..00000000 --- a/networks/monero/wallet/Cargo.toml +++ /dev/null @@ -1,81 +0,0 @@ -[package] -name = "monero-wallet" -version = "0.1.0" -description = "Wallet functionality for the Monero protocol, built around monero-serai" -license = "MIT" -repository = "https://github.com/serai-dex/serai/tree/develop/networks/monero/wallet" -authors = ["Luke Parker "] -edition = "2021" -rust-version = "1.82" - -[package.metadata.docs.rs] -all-features = true -rustdoc-args = ["--cfg", "docsrs"] -rust-version = "1.80" - -[package.metadata.cargo-machete] -ignored = ["monero-clsag"] - -[lints] -workspace = true - -[dependencies] -std-shims = { path = "../../../common/std-shims", version = "^0.1.1", default-features = false } - -thiserror = { version = "1", default-features = false, optional = true } - -zeroize = { version = "^1.5", default-features = false, features = ["zeroize_derive"] } - -rand_core = { version = "0.6", default-features = false } -# Used to send transactions -rand = { version = "0.8", default-features = false } -rand_chacha = { version = "0.3", default-features = false } -# Used to select decoys -rand_distr = { version = "0.4", default-features = false } - -curve25519-dalek = { version = "4", default-features = false, features = ["alloc", "zeroize", "group"] } - -# Multisig dependencies -transcript = { package = "flexible-transcript", path = "../../../crypto/transcript", version = "0.3", default-features = false, features = ["recommended"], optional = true } -group = { version = "0.13", default-features = false, optional = true } -dalek-ff-group = { path = "../../../crypto/dalek-ff-group", version = "0.4", default-features = false, optional = true } -frost = { package = "modular-frost", path = "../../../crypto/frost", default-features = false, features = ["ed25519"], optional = true } - -hex = { version = "0.4", default-features = false, features = ["alloc"] } - -monero-clsag = { path = "../ringct/clsag", default-features = false } -monero-serai = { path = "..", default-features = false } -monero-rpc = { path = "../rpc", default-features = false } -monero-address = { path = "./address", default-features = false } - -[dev-dependencies] -serde = { version = "1", default-features = false, features = ["derive", "alloc", "std"] } -serde_json = { version = "1", default-features = false, features = ["alloc", "std"] } - -frost = { package = "modular-frost", path = "../../../crypto/frost", default-features = false, features = ["ed25519", "tests"] } - -tokio = { version = "1", features = ["sync", "macros"] } - -monero-simple-request-rpc = { path = "../rpc/simple-request", default-features = false } - -[features] -std = [ - "std-shims/std", - - "thiserror", - - "zeroize/std", - - "rand_core/std", - "rand/std", - "rand_chacha/std", - "rand_distr/std", - - "monero-clsag/std", - "monero-serai/std", - "monero-rpc/std", - "monero-address/std", -] -compile-time-generators = ["curve25519-dalek/precomputed-tables", "monero-serai/compile-time-generators"] -multisig = ["std", "transcript", "group", "dalek-ff-group", "frost", "monero-clsag/multisig"] -default = ["std", "compile-time-generators"] diff --git a/networks/monero/wallet/LICENSE b/networks/monero/wallet/LICENSE deleted file mode 100644 index 91d893c1..00000000 --- a/networks/monero/wallet/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2022-2024 Luke Parker - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/networks/monero/wallet/README.md b/networks/monero/wallet/README.md deleted file mode 100644 index d88a56d9..00000000 --- a/networks/monero/wallet/README.md +++ /dev/null @@ -1,58 +0,0 @@ -# Monero Wallet - -Wallet functionality for the Monero protocol, built around monero-serai. This -library prides itself on resolving common pit falls developers may face. - -monero-wallet also offers a FROST-inspired multisignature protocol orders of -magnitude more performant than Monero's own. - -This library is usable under no-std when the `std` feature (on by default) is -disabled. - -### Features - -- Scanning Monero transactions -- Sending Monero transactions -- Sending Monero transactions with a FROST-inspired threshold multisignature - protocol, orders of magnitude more performant than Monero's own - -### Caveats - -This library DOES attempt to do the following: - -- Create on-chain transactions identical to how wallet2 would (unless told not - to) -- Not be detectable as monero-serai when scanning outputs -- Not reveal spent outputs to the connected RPC node - -This library DOES NOT attempt to do the following: - -- Have identical RPC behavior when creating transactions -- Be a wallet - -This means that monero-serai shouldn't be fingerprintable on-chain. It also -shouldn't be fingerprintable if a targeted attack occurs to detect if the -receiving wallet is monero-serai or wallet2. It also should be generally safe -for usage with remote nodes. - -It won't hide from remote nodes it's monero-serai however, potentially -allowing a remote node to profile you. The implications of this are left to the -user to consider. - -It also won't act as a wallet, just as a wallet functionality library. wallet2 -has several *non-transaction-level* policies, such as always attempting to use -two inputs to create transactions. These are considered out of scope to -monero-serai. - -Finally, this library only supports producing transactions with CLSAG -signatures. That means this library cannot spend non-RingCT outputs. - -### Cargo Features - -- `std` (on by default): Enables `std` (and with it, more efficient internal - implementations). -- `compile-time-generators` (on by default): Derives the generators at - compile-time so they don't need to be derived at runtime. This is recommended - if program size doesn't need to be kept minimal. -- `multisig`: Adds support for creation of transactions using a threshold - multisignature wallet. diff --git a/networks/monero/wallet/address/Cargo.toml b/networks/monero/wallet/address/Cargo.toml deleted file mode 100644 index a86ff73c..00000000 --- a/networks/monero/wallet/address/Cargo.toml +++ /dev/null @@ -1,49 +0,0 @@ -[package] -name = "monero-address" -version = "0.1.0" -description = "Rust implementation of Monero addresses" -license = "MIT" -repository = "https://github.com/serai-dex/serai/tree/develop/networks/monero/wallet/address" -authors = ["Luke Parker "] -edition = "2021" -rust-version = "1.80" - -[package.metadata.docs.rs] -all-features = true -rustdoc-args = ["--cfg", "docsrs"] - -[lints] -workspace = true - -[dependencies] -std-shims = { path = "../../../../common/std-shims", version = "^0.1.1", default-features = false } - -thiserror = { version = "1", default-features = false, optional = true } - -zeroize = { version = "^1.5", default-features = false, features = ["zeroize_derive"] } - -curve25519-dalek = { version = "4", default-features = false, features = ["alloc", "zeroize"] } - -monero-io = { path = "../../io", default-features = false } -monero-primitives = { path = "../../primitives", default-features = false } - -[dev-dependencies] -rand_core = { version = "0.6", default-features = false, features = ["std"] } - -hex-literal = { version = "0.4", default-features = false } -hex = { version = "0.4", default-features = false, features = ["alloc"] } - -serde = { version = "1", default-features = false, features = ["derive", "alloc"] } -serde_json = { version = "1", default-features = false, features = ["alloc"] } - -[features] -std = [ - "std-shims/std", - - "thiserror", - - "zeroize/std", - - "monero-io/std", -] -default = ["std"] diff --git a/networks/monero/wallet/address/LICENSE b/networks/monero/wallet/address/LICENSE deleted file mode 100644 index 91d893c1..00000000 --- a/networks/monero/wallet/address/LICENSE +++ /dev/null @@ -1,21 +0,0 @@ -MIT License - -Copyright (c) 2022-2024 Luke Parker - -Permission is hereby granted, free of charge, to any person obtaining a copy -of this software and associated documentation files (the "Software"), to deal -in the Software without restriction, including without limitation the rights -to use, copy, modify, merge, publish, distribute, sublicense, and/or sell -copies of the Software, and to permit persons to whom the Software is -furnished to do so, subject to the following conditions: - -The above copyright notice and this permission notice shall be included in all -copies or substantial portions of the Software. - -THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR -IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, -FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE -AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER -LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, -OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE -SOFTWARE. diff --git a/networks/monero/wallet/address/README.md b/networks/monero/wallet/address/README.md deleted file mode 100644 index 8fe3b77d..00000000 --- a/networks/monero/wallet/address/README.md +++ /dev/null @@ -1,11 +0,0 @@ -# Monero Address - -Rust implementation of Monero addresses. - -This library is usable under no-std when the `std` feature (on by default) is -disabled. - -### Cargo Features - -- `std` (on by default): Enables `std` (and with it, more efficient internal - implementations). diff --git a/networks/monero/wallet/address/src/base58check.rs b/networks/monero/wallet/address/src/base58check.rs deleted file mode 100644 index 08113bbe..00000000 --- a/networks/monero/wallet/address/src/base58check.rs +++ /dev/null @@ -1,107 +0,0 @@ -use std_shims::{vec::Vec, string::String}; - -use monero_primitives::keccak256; - -const ALPHABET_LEN: u64 = 58; -const ALPHABET: &[u8] = b"123456789ABCDEFGHJKLMNPQRSTUVWXYZabcdefghijkmnopqrstuvwxyz"; - -pub(crate) const BLOCK_LEN: usize = 8; -const ENCODED_BLOCK_LEN: usize = 11; - -const CHECKSUM_LEN: usize = 4; - -// The maximum possible length of an encoding of this many bytes -// -// This is used for determining padding/how many bytes an encoding actually uses -pub(crate) fn encoded_len_for_bytes(bytes: usize) -> usize { - let bits = u64::try_from(bytes).expect("length exceeded 2**64") * 8; - let mut max = if bits == 64 { u64::MAX } else { (1 << bits) - 1 }; - - let mut i = 0; - while max != 0 { - max /= ALPHABET_LEN; - i += 1; - } - i -} - -// Encode an arbitrary-length stream of data -pub(crate) fn encode(bytes: &[u8]) -> String { - let mut res = String::with_capacity(bytes.len().div_ceil(BLOCK_LEN) * ENCODED_BLOCK_LEN); - - for chunk in bytes.chunks(BLOCK_LEN) { - // Convert to a u64 - let mut fixed_len_chunk = [0; BLOCK_LEN]; - fixed_len_chunk[(BLOCK_LEN - chunk.len()) ..].copy_from_slice(chunk); - let mut val = u64::from_be_bytes(fixed_len_chunk); - - // Convert to the base58 encoding - let mut chunk_str = [char::from(ALPHABET[0]); ENCODED_BLOCK_LEN]; - let mut i = 0; - while val > 0 { - chunk_str[i] = ALPHABET[usize::try_from(val % ALPHABET_LEN) - .expect("ALPHABET_LEN exceeds usize despite being a usize")] - .into(); - i += 1; - val /= ALPHABET_LEN; - } - - // Only take used bytes, and since we put the LSBs in the first byte, reverse the byte order - for c in chunk_str.into_iter().take(encoded_len_for_bytes(chunk.len())).rev() { - res.push(c); - } - } - - res -} - -// Decode an arbitrary-length stream of data -pub(crate) fn decode(data: &str) -> Option> { - let mut res = Vec::with_capacity((data.len() / ENCODED_BLOCK_LEN) * BLOCK_LEN); - - for chunk in data.as_bytes().chunks(ENCODED_BLOCK_LEN) { - // Convert the chunk back to a u64 - let mut sum = 0u64; - for this_char in chunk { - sum = sum.checked_mul(ALPHABET_LEN)?; - sum += u64::try_from(ALPHABET.iter().position(|a| a == this_char)?) - .expect("alphabet len exceeded 2**64"); - } - - // From the size of the encoding, determine the size of the bytes - let mut used_bytes = None; - for i in 1 ..= BLOCK_LEN { - if encoded_len_for_bytes(i) == chunk.len() { - used_bytes = Some(i); - break; - } - } - let used_bytes = used_bytes - .expect("chunk of bounded length exhaustively searched but couldn't find matching length"); - // Only push on the used bytes - res.extend(&sum.to_be_bytes()[(BLOCK_LEN - used_bytes) ..]); - } - - Some(res) -} - -// Encode an arbitrary-length stream of data, with a checksum -pub(crate) fn encode_check(mut data: Vec) -> String { - let checksum = keccak256(&data); - data.extend(&checksum[.. CHECKSUM_LEN]); - encode(&data) -} - -// Decode an arbitrary-length stream of data, with a checksum -pub(crate) fn decode_check(data: &str) -> Option> { - let mut res = decode(data)?; - if res.len() < CHECKSUM_LEN { - None?; - } - let checksum_pos = res.len() - CHECKSUM_LEN; - if keccak256(&res[.. checksum_pos])[.. CHECKSUM_LEN] != res[checksum_pos ..] { - None?; - } - res.truncate(checksum_pos); - Some(res) -} diff --git a/networks/monero/wallet/address/src/lib.rs b/networks/monero/wallet/address/src/lib.rs deleted file mode 100644 index cc463630..00000000 --- a/networks/monero/wallet/address/src/lib.rs +++ /dev/null @@ -1,505 +0,0 @@ -#![cfg_attr(docsrs, feature(doc_auto_cfg))] -#![doc = include_str!("../README.md")] -#![deny(missing_docs)] -#![cfg_attr(not(feature = "std"), no_std)] - -use core::fmt::{self, Write}; -use std_shims::{ - vec, - string::{String, ToString}, -}; - -use zeroize::Zeroize; - -use curve25519_dalek::EdwardsPoint; - -use monero_io::*; - -mod base58check; -use base58check::{encode_check, decode_check}; - -#[cfg(test)] -mod tests; - -/// The address type. -/// -/// The officially specified addresses are supported, along with -/// [Featured Addresses](https://gist.github.com/kayabaNerve/01c50bbc35441e0bbdcee63a9d823789). -#[derive(Clone, Copy, PartialEq, Eq, Debug, Zeroize)] -pub enum AddressType { - /// A legacy address type. - Legacy, - /// A legacy address with a payment ID embedded. - LegacyIntegrated([u8; 8]), - /// A subaddress. - /// - /// This is what SHOULD be used if specific functionality isn't needed. - Subaddress, - /// A featured address. - /// - /// Featured Addresses are an unofficial address specification which is meant to be extensible - /// and support a variety of functionality. This functionality includes being a subaddresses AND - /// having a payment ID, along with being immune to the burning bug. - /// - /// At this time, support for featured addresses is limited to this crate. There should be no - /// expectation of interoperability. - Featured { - /// If this address is a subaddress. - subaddress: bool, - /// The payment ID associated with this address. - payment_id: Option<[u8; 8]>, - /// If this address is guaranteed. - /// - /// A guaranteed address is one where any outputs scanned to it are guaranteed to be spendable - /// under the hardness of various cryptographic problems (which are assumed hard). This is via - /// a modified shared-key derivation which eliminates the burning bug. - guaranteed: bool, - }, -} - -impl AddressType { - /// If this address is a subaddress. - pub fn is_subaddress(&self) -> bool { - matches!(self, AddressType::Subaddress) || - matches!(self, AddressType::Featured { subaddress: true, .. }) - } - - /// The payment ID within this address. - pub fn payment_id(&self) -> Option<[u8; 8]> { - if let AddressType::LegacyIntegrated(id) = self { - Some(*id) - } else if let AddressType::Featured { payment_id, .. } = self { - *payment_id - } else { - None - } - } - - /// If this address is guaranteed. - /// - /// A guaranteed address is one where any outputs scanned to it are guaranteed to be spendable - /// under the hardness of various cryptographic problems (which are assumed hard). This is via - /// a modified shared-key derivation which eliminates the burning bug. - pub fn is_guaranteed(&self) -> bool { - matches!(self, AddressType::Featured { guaranteed: true, .. }) - } -} - -/// A subaddress index. -/// -/// Subaddresses are derived from a root using a `(account, address)` tuple as an index. -#[derive(Clone, Copy, PartialEq, Eq, Debug, Zeroize)] -pub struct SubaddressIndex { - account: u32, - address: u32, -} - -impl SubaddressIndex { - /// Create a new SubaddressIndex. - pub const fn new(account: u32, address: u32) -> Option { - if (account == 0) && (address == 0) { - return None; - } - Some(SubaddressIndex { account, address }) - } - - /// Get the account this subaddress index is under. - pub const fn account(&self) -> u32 { - self.account - } - - /// Get the address this subaddress index is for, within its account. - pub const fn address(&self) -> u32 { - self.address - } -} - -/// Bytes used as prefixes when encoding addresses. -/// -/// These distinguish the address's type. -#[derive(Clone, Copy, PartialEq, Eq, Debug, Zeroize)] -pub struct AddressBytes { - legacy: u8, - legacy_integrated: u8, - subaddress: u8, - featured: u8, -} - -impl AddressBytes { - /// Create a new set of address bytes, one for each address type. - pub const fn new( - legacy: u8, - legacy_integrated: u8, - subaddress: u8, - featured: u8, - ) -> Option { - if (legacy == legacy_integrated) || (legacy == subaddress) || (legacy == featured) { - return None; - } - if (legacy_integrated == subaddress) || (legacy_integrated == featured) { - return None; - } - if subaddress == featured { - return None; - } - Some(AddressBytes { legacy, legacy_integrated, subaddress, featured }) - } - - const fn to_const_generic(self) -> u32 { - ((self.legacy as u32) << 24) + - ((self.legacy_integrated as u32) << 16) + - ((self.subaddress as u32) << 8) + - (self.featured as u32) - } - - #[allow(clippy::cast_possible_truncation)] - const fn from_const_generic(const_generic: u32) -> Self { - let legacy = (const_generic >> 24) as u8; - let legacy_integrated = ((const_generic >> 16) & (u8::MAX as u32)) as u8; - let subaddress = ((const_generic >> 8) & (u8::MAX as u32)) as u8; - let featured = (const_generic & (u8::MAX as u32)) as u8; - - AddressBytes { legacy, legacy_integrated, subaddress, featured } - } -} - -// https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 -// /src/cryptonote_config.h#L216-L225 -// https://gist.github.com/kayabaNerve/01c50bbc35441e0bbdcee63a9d823789 for featured -const MONERO_MAINNET_BYTES: AddressBytes = match AddressBytes::new(18, 19, 42, 70) { - Some(bytes) => bytes, - None => panic!("mainnet byte constants conflicted"), -}; -// https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 -// /src/cryptonote_config.h#L277-L281 -const MONERO_STAGENET_BYTES: AddressBytes = match AddressBytes::new(24, 25, 36, 86) { - Some(bytes) => bytes, - None => panic!("stagenet byte constants conflicted"), -}; -// https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 -// /src/cryptonote_config.h#L262-L266 -const MONERO_TESTNET_BYTES: AddressBytes = match AddressBytes::new(53, 54, 63, 111) { - Some(bytes) => bytes, - None => panic!("testnet byte constants conflicted"), -}; - -/// The network this address is for. -#[derive(Clone, Copy, PartialEq, Eq, Debug, Zeroize)] -pub enum Network { - /// A mainnet address. - Mainnet, - /// A stagenet address. - /// - /// Stagenet maintains parity with mainnet and is useful for testing integrations accordingly. - Stagenet, - /// A testnet address. - /// - /// Testnet is used to test new consensus rules and functionality. - Testnet, -} - -/// Errors when decoding an address. -#[derive(Clone, Copy, PartialEq, Eq, Debug)] -#[cfg_attr(feature = "std", derive(thiserror::Error))] -pub enum AddressError { - /// The address had an invalid (network, type) byte. - #[cfg_attr(feature = "std", error("invalid byte for the address's network/type ({0})"))] - InvalidTypeByte(u8), - /// The address wasn't a valid Base58Check (as defined by Monero) string. - #[cfg_attr(feature = "std", error("invalid address encoding"))] - InvalidEncoding, - /// The data encoded wasn't the proper length. - #[cfg_attr(feature = "std", error("invalid length"))] - InvalidLength, - /// The address had an invalid key. - #[cfg_attr(feature = "std", error("invalid key"))] - InvalidKey, - /// The address was featured with unrecognized features. - #[cfg_attr(feature = "std", error("unknown features"))] - UnknownFeatures(u64), - /// The network was for a different network than expected. - #[cfg_attr( - feature = "std", - error("different network ({actual:?}) than expected ({expected:?})") - )] - DifferentNetwork { - /// The Network expected. - expected: Network, - /// The Network embedded within the Address. - actual: Network, - }, -} - -/// Bytes used as prefixes when encoding addresses, variable to the network instance. -/// -/// These distinguish the address's network and type. -#[derive(Clone, Copy, PartialEq, Eq, Debug, Zeroize)] -pub struct NetworkedAddressBytes { - mainnet: AddressBytes, - stagenet: AddressBytes, - testnet: AddressBytes, -} - -impl NetworkedAddressBytes { - /// Create a new set of address bytes, one for each network. - pub const fn new( - mainnet: AddressBytes, - stagenet: AddressBytes, - testnet: AddressBytes, - ) -> Option { - let res = NetworkedAddressBytes { mainnet, stagenet, testnet }; - let all_bytes = res.to_const_generic(); - - let mut i = 0; - while i < 12 { - let this_byte = (all_bytes >> (32 + (i * 8))) & (u8::MAX as u128); - - let mut j = 0; - while j < 12 { - if i == j { - j += 1; - continue; - } - let other_byte = (all_bytes >> (32 + (j * 8))) & (u8::MAX as u128); - if this_byte == other_byte { - return None; - } - - j += 1; - } - - i += 1; - } - - Some(res) - } - - /// Convert this set of address bytes to its representation as a u128. - /// - /// We cannot use this struct directly as a const generic unfortunately. - pub const fn to_const_generic(self) -> u128 { - ((self.mainnet.to_const_generic() as u128) << 96) + - ((self.stagenet.to_const_generic() as u128) << 64) + - ((self.testnet.to_const_generic() as u128) << 32) - } - - #[allow(clippy::cast_possible_truncation)] - const fn from_const_generic(const_generic: u128) -> Self { - let mainnet = AddressBytes::from_const_generic((const_generic >> 96) as u32); - let stagenet = - AddressBytes::from_const_generic(((const_generic >> 64) & (u32::MAX as u128)) as u32); - let testnet = - AddressBytes::from_const_generic(((const_generic >> 32) & (u32::MAX as u128)) as u32); - - NetworkedAddressBytes { mainnet, stagenet, testnet } - } - - fn network(&self, network: Network) -> &AddressBytes { - match network { - Network::Mainnet => &self.mainnet, - Network::Stagenet => &self.stagenet, - Network::Testnet => &self.testnet, - } - } - - fn byte(&self, network: Network, kind: AddressType) -> u8 { - let address_bytes = self.network(network); - - match kind { - AddressType::Legacy => address_bytes.legacy, - AddressType::LegacyIntegrated(_) => address_bytes.legacy_integrated, - AddressType::Subaddress => address_bytes.subaddress, - AddressType::Featured { .. } => address_bytes.featured, - } - } - - // This will return an incomplete AddressType for LegacyIntegrated/Featured. - fn metadata_from_byte(&self, byte: u8) -> Result<(Network, AddressType), AddressError> { - let mut meta = None; - for network in [Network::Mainnet, Network::Testnet, Network::Stagenet] { - let address_bytes = self.network(network); - if let Some(kind) = match byte { - _ if byte == address_bytes.legacy => Some(AddressType::Legacy), - _ if byte == address_bytes.legacy_integrated => Some(AddressType::LegacyIntegrated([0; 8])), - _ if byte == address_bytes.subaddress => Some(AddressType::Subaddress), - _ if byte == address_bytes.featured => { - Some(AddressType::Featured { subaddress: false, payment_id: None, guaranteed: false }) - } - _ => None, - } { - meta = Some((network, kind)); - break; - } - } - - meta.ok_or(AddressError::InvalidTypeByte(byte)) - } -} - -/// The bytes used for distinguishing Monero addresses. -pub const MONERO_BYTES: NetworkedAddressBytes = match NetworkedAddressBytes::new( - MONERO_MAINNET_BYTES, - MONERO_STAGENET_BYTES, - MONERO_TESTNET_BYTES, -) { - Some(bytes) => bytes, - None => panic!("Monero network byte constants conflicted"), -}; - -/// A Monero address. -#[derive(Clone, Copy, PartialEq, Eq, Zeroize)] -pub struct Address { - network: Network, - kind: AddressType, - spend: EdwardsPoint, - view: EdwardsPoint, -} - -impl fmt::Debug for Address { - fn fmt(&self, fmt: &mut fmt::Formatter<'_>) -> Result<(), fmt::Error> { - let hex = |bytes: &[u8]| -> Result { - let mut res = String::with_capacity(2 + (2 * bytes.len())); - res.push_str("0x"); - for b in bytes { - write!(&mut res, "{b:02x}")?; - } - Ok(res) - }; - - fmt - .debug_struct("Address") - .field("network", &self.network) - .field("kind", &self.kind) - .field("spend", &hex(&self.spend.compress().to_bytes())?) - .field("view", &hex(&self.view.compress().to_bytes())?) - // This is not a real field yet is the most valuable thing to know when debugging - .field("(address)", &self.to_string()) - .finish() - } -} - -impl fmt::Display for Address { - fn fmt(&self, f: &mut fmt::Formatter<'_>) -> fmt::Result { - let address_bytes: NetworkedAddressBytes = - NetworkedAddressBytes::from_const_generic(ADDRESS_BYTES); - - let mut data = vec![address_bytes.byte(self.network, self.kind)]; - data.extend(self.spend.compress().to_bytes()); - data.extend(self.view.compress().to_bytes()); - if let AddressType::Featured { subaddress, payment_id, guaranteed } = self.kind { - let features_uint = - (u8::from(guaranteed) << 2) + (u8::from(payment_id.is_some()) << 1) + u8::from(subaddress); - write_varint(&features_uint, &mut data) - .expect("write failed but doesn't fail"); - } - if let Some(id) = self.kind.payment_id() { - data.extend(id); - } - write!(f, "{}", encode_check(data)) - } -} - -impl Address { - /// Create a new address. - pub fn new(network: Network, kind: AddressType, spend: EdwardsPoint, view: EdwardsPoint) -> Self { - Address { network, kind, spend, view } - } - - /// Parse an address from a String, accepting any network it is. - pub fn from_str_with_unchecked_network(s: &str) -> Result { - let raw = decode_check(s).ok_or(AddressError::InvalidEncoding)?; - let mut raw = raw.as_slice(); - - let address_bytes: NetworkedAddressBytes = - NetworkedAddressBytes::from_const_generic(ADDRESS_BYTES); - let (network, mut kind) = address_bytes - .metadata_from_byte(read_byte(&mut raw).map_err(|_| AddressError::InvalidLength)?)?; - let spend = read_point(&mut raw).map_err(|_| AddressError::InvalidKey)?; - let view = read_point(&mut raw).map_err(|_| AddressError::InvalidKey)?; - - if matches!(kind, AddressType::Featured { .. }) { - let features = read_varint::<_, u64>(&mut raw).map_err(|_| AddressError::InvalidLength)?; - if (features >> 3) != 0 { - Err(AddressError::UnknownFeatures(features))?; - } - - let subaddress = (features & 1) == 1; - let integrated = ((features >> 1) & 1) == 1; - let guaranteed = ((features >> 2) & 1) == 1; - - kind = - AddressType::Featured { subaddress, payment_id: integrated.then_some([0; 8]), guaranteed }; - } - - // Read the payment ID, if there should be one - match kind { - AddressType::LegacyIntegrated(ref mut id) | - AddressType::Featured { payment_id: Some(ref mut id), .. } => { - *id = read_bytes(&mut raw).map_err(|_| AddressError::InvalidLength)?; - } - _ => {} - }; - - if !raw.is_empty() { - Err(AddressError::InvalidLength)?; - } - - Ok(Address { network, kind, spend, view }) - } - - /// Create a new address from a `&str`. - /// - /// This takes in an argument for the expected network, erroring if a distinct network was used. - /// It also errors if the address is invalid (as expected). - pub fn from_str(network: Network, s: &str) -> Result { - Self::from_str_with_unchecked_network(s).and_then(|addr| { - if addr.network == network { - Ok(addr) - } else { - Err(AddressError::DifferentNetwork { actual: addr.network, expected: network })? - } - }) - } - - /// The network this address is intended for use on. - pub fn network(&self) -> Network { - self.network - } - - /// The type of address this is. - pub fn kind(&self) -> &AddressType { - &self.kind - } - - /// If this is a subaddress. - pub fn is_subaddress(&self) -> bool { - self.kind.is_subaddress() - } - - /// The payment ID for this address. - pub fn payment_id(&self) -> Option<[u8; 8]> { - self.kind.payment_id() - } - - /// If this address is guaranteed. - /// - /// A guaranteed address is one where any outputs scanned to it are guaranteed to be spendable - /// under the hardness of various cryptographic problems (which are assumed hard). This is via - /// a modified shared-key derivation which eliminates the burning bug. - pub fn is_guaranteed(&self) -> bool { - self.kind.is_guaranteed() - } - - /// The public spend key for this address. - pub fn spend(&self) -> EdwardsPoint { - self.spend - } - - /// The public view key for this address. - pub fn view(&self) -> EdwardsPoint { - self.view - } -} - -/// Instantiation of the Address type with Monero's network bytes. -pub type MoneroAddress = Address<{ MONERO_BYTES.to_const_generic() }>; diff --git a/networks/monero/wallet/address/src/tests.rs b/networks/monero/wallet/address/src/tests.rs deleted file mode 100644 index 2804832a..00000000 --- a/networks/monero/wallet/address/src/tests.rs +++ /dev/null @@ -1,205 +0,0 @@ -use hex_literal::hex; - -use rand_core::{RngCore, OsRng}; - -use curve25519_dalek::{constants::ED25519_BASEPOINT_TABLE, scalar::Scalar}; - -use monero_io::decompress_point; - -use crate::{Network, AddressType, MoneroAddress}; - -const SPEND: [u8; 32] = hex!("f8631661f6ab4e6fda310c797330d86e23a682f20d5bc8cc27b18051191f16d7"); -const VIEW: [u8; 32] = hex!("4a1535063ad1fee2dabbf909d4fd9a873e29541b401f0944754e17c9a41820ce"); - -const STANDARD: &str = - "4B33mFPMq6mKi7Eiyd5XuyKRVMGVZz1Rqb9ZTyGApXW5d1aT7UBDZ89ewmnWFkzJ5wPd2SFbn313vCT8a4E2Qf4KQH4pNey"; - -const PAYMENT_ID: [u8; 8] = hex!("b8963a57855cf73f"); -const INTEGRATED: &str = - "4Ljin4CrSNHKi7Eiyd5XuyKRVMGVZz1Rqb9ZTyGApXW5d1aT7UBDZ89ewmnWFkzJ5wPd2SFbn313vCT8a4E2Qf4KbaTH6Mn\ - pXSn88oBX35"; - -const SUB_SPEND: [u8; 32] = - hex!("fe358188b528335ad1cfdc24a22a23988d742c882b6f19a602892eaab3c1b62b"); -const SUB_VIEW: [u8; 32] = hex!("9bc2b464de90d058468522098d5610c5019c45fd1711a9517db1eea7794f5470"); -const SUBADDRESS: &str = - "8C5zHM5ud8nGC4hC2ULiBLSWx9infi8JUUmWEat4fcTf8J4H38iWYVdFmPCA9UmfLTZxD43RsyKnGEdZkoGij6csDeUnbEB"; - -const FEATURED_JSON: &str = include_str!("vectors/featured_addresses.json"); - -#[test] -fn test_encoded_len_for_bytes() { - // For an encoding of length `l`, we prune to the amount of bytes which encodes with length `l` - // This assumes length `l` -> amount of bytes has a singular answer, which is tested here - use crate::base58check::*; - let mut set = std::collections::HashSet::new(); - for i in 0 .. BLOCK_LEN { - set.insert(encoded_len_for_bytes(i)); - } - assert_eq!(set.len(), BLOCK_LEN); -} - -#[test] -fn base58check() { - use crate::base58check::*; - - assert_eq!(encode(&[]), String::new()); - assert!(decode("").unwrap().is_empty()); - - let full_block = &[1, 2, 3, 4, 5, 6, 7, 8]; - assert_eq!(&decode(&encode(full_block)).unwrap(), full_block); - - let partial_block = &[1, 2, 3]; - assert_eq!(&decode(&encode(partial_block)).unwrap(), partial_block); - - let max_encoded_block = &[u8::MAX; 8]; - assert_eq!(&decode(&encode(max_encoded_block)).unwrap(), max_encoded_block); - - let max_decoded_block = "zzzzzzzzzzz"; - assert!(decode(max_decoded_block).is_none()); - - let full_and_partial_block = &[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11]; - assert_eq!(&decode(&encode(full_and_partial_block)).unwrap(), full_and_partial_block); -} - -#[test] -fn standard_address() { - let addr = MoneroAddress::from_str(Network::Mainnet, STANDARD).unwrap(); - assert_eq!(addr.network(), Network::Mainnet); - assert_eq!(addr.kind(), &AddressType::Legacy); - assert!(!addr.is_subaddress()); - assert_eq!(addr.payment_id(), None); - assert!(!addr.is_guaranteed()); - assert_eq!(addr.spend.compress().to_bytes(), SPEND); - assert_eq!(addr.view.compress().to_bytes(), VIEW); - assert_eq!(addr.to_string(), STANDARD); -} - -#[test] -fn integrated_address() { - let addr = MoneroAddress::from_str(Network::Mainnet, INTEGRATED).unwrap(); - assert_eq!(addr.network(), Network::Mainnet); - assert_eq!(addr.kind(), &AddressType::LegacyIntegrated(PAYMENT_ID)); - assert!(!addr.is_subaddress()); - assert_eq!(addr.payment_id(), Some(PAYMENT_ID)); - assert!(!addr.is_guaranteed()); - assert_eq!(addr.spend.compress().to_bytes(), SPEND); - assert_eq!(addr.view.compress().to_bytes(), VIEW); - assert_eq!(addr.to_string(), INTEGRATED); -} - -#[test] -fn subaddress() { - let addr = MoneroAddress::from_str(Network::Mainnet, SUBADDRESS).unwrap(); - assert_eq!(addr.network(), Network::Mainnet); - assert_eq!(addr.kind(), &AddressType::Subaddress); - assert!(addr.is_subaddress()); - assert_eq!(addr.payment_id(), None); - assert!(!addr.is_guaranteed()); - assert_eq!(addr.spend.compress().to_bytes(), SUB_SPEND); - assert_eq!(addr.view.compress().to_bytes(), SUB_VIEW); - assert_eq!(addr.to_string(), SUBADDRESS); -} - -#[test] -fn featured() { - for (network, first) in - [(Network::Mainnet, 'C'), (Network::Testnet, 'K'), (Network::Stagenet, 'F')] - { - for _ in 0 .. 100 { - let spend = &Scalar::random(&mut OsRng) * ED25519_BASEPOINT_TABLE; - let view = &Scalar::random(&mut OsRng) * ED25519_BASEPOINT_TABLE; - - for features in 0 .. (1 << 3) { - const SUBADDRESS_FEATURE_BIT: u8 = 1; - const INTEGRATED_FEATURE_BIT: u8 = 1 << 1; - const GUARANTEED_FEATURE_BIT: u8 = 1 << 2; - - let subaddress = (features & SUBADDRESS_FEATURE_BIT) == SUBADDRESS_FEATURE_BIT; - - let mut payment_id = [0; 8]; - OsRng.fill_bytes(&mut payment_id); - let payment_id = Some(payment_id) - .filter(|_| (features & INTEGRATED_FEATURE_BIT) == INTEGRATED_FEATURE_BIT); - - let guaranteed = (features & GUARANTEED_FEATURE_BIT) == GUARANTEED_FEATURE_BIT; - - let kind = AddressType::Featured { subaddress, payment_id, guaranteed }; - let addr = MoneroAddress::new(network, kind, spend, view); - - assert_eq!(addr.to_string().chars().next().unwrap(), first); - assert_eq!(MoneroAddress::from_str(network, &addr.to_string()).unwrap(), addr); - - assert_eq!(addr.spend, spend); - assert_eq!(addr.view, view); - - assert_eq!(addr.is_subaddress(), subaddress); - assert_eq!(addr.payment_id(), payment_id); - assert_eq!(addr.is_guaranteed(), guaranteed); - } - } - } -} - -#[test] -fn featured_vectors() { - #[derive(serde::Deserialize)] - struct Vector { - address: String, - - network: String, - spend: String, - view: String, - - subaddress: bool, - integrated: bool, - payment_id: Option<[u8; 8]>, - guaranteed: bool, - } - - let vectors = serde_json::from_str::>(FEATURED_JSON).unwrap(); - for vector in vectors { - let first = vector.address.chars().next().unwrap(); - let network = match vector.network.as_str() { - "Mainnet" => { - assert_eq!(first, 'C'); - Network::Mainnet - } - "Testnet" => { - assert_eq!(first, 'K'); - Network::Testnet - } - "Stagenet" => { - assert_eq!(first, 'F'); - Network::Stagenet - } - _ => panic!("Unknown network"), - }; - let spend = decompress_point(hex::decode(vector.spend).unwrap().try_into().unwrap()).unwrap(); - let view = decompress_point(hex::decode(vector.view).unwrap().try_into().unwrap()).unwrap(); - - let addr = MoneroAddress::from_str(network, &vector.address).unwrap(); - assert_eq!(addr.spend, spend); - assert_eq!(addr.view, view); - - assert_eq!(addr.is_subaddress(), vector.subaddress); - assert_eq!(vector.integrated, vector.payment_id.is_some()); - assert_eq!(addr.payment_id(), vector.payment_id); - assert_eq!(addr.is_guaranteed(), vector.guaranteed); - - assert_eq!( - MoneroAddress::new( - network, - AddressType::Featured { - subaddress: vector.subaddress, - payment_id: vector.payment_id, - guaranteed: vector.guaranteed - }, - spend, - view - ) - .to_string(), - vector.address - ); - } -} diff --git a/networks/monero/wallet/address/src/vectors/featured_addresses.json b/networks/monero/wallet/address/src/vectors/featured_addresses.json deleted file mode 100644 index dbb83fbf..00000000 --- a/networks/monero/wallet/address/src/vectors/featured_addresses.json +++ /dev/null @@ -1,230 +0,0 @@ -[ - { - "address": "CjWdTpuDaZ69nTGxzm9YarR82YDYFECi1WaaREZTMy5yDsjaRX5bC3cbC3JpcrBPd7YYpjoWKuBMidgGaKBK5Jye2v3pYyUDn", - "network": "Mainnet", - "spend": "258dfe7eef9be934839f3b8e0d40e79035fe85879c0a9eb0d7372ae2deb0004c", - "view": "f91382373045f3cc69233254ab0406bc9e008707569ff9db4718654812d839df", - "subaddress": false, - "integrated": false, - "guaranteed": false - }, - { - "address": "CjWdTpuDaZ69nTGxzm9YarR82YDYFECi1WaaREZTMy5yDsjaRX5bC3cbC3JpcrBPd7YYpjoWKuBMidgGaKBK5Jye2v3wfMHCy", - "network": "Mainnet", - "spend": "258dfe7eef9be934839f3b8e0d40e79035fe85879c0a9eb0d7372ae2deb0004c", - "view": "f91382373045f3cc69233254ab0406bc9e008707569ff9db4718654812d839df", - "subaddress": true, - "integrated": false, - "guaranteed": false - }, - { - "address": "CjWdTpuDaZ69nTGxzm9YarR82YDYFECi1WaaREZTMy5yDsjaRX5bC3cbC3JpcrBPd7YYpjoWKuBMidgGaKBK5JyeeJTo4p5ayvj36PStM5AX", - "network": "Mainnet", - "spend": "258dfe7eef9be934839f3b8e0d40e79035fe85879c0a9eb0d7372ae2deb0004c", - "view": "f91382373045f3cc69233254ab0406bc9e008707569ff9db4718654812d839df", - "subaddress": false, - "integrated": true, - "payment_id": [46, 48, 134, 34, 245, 148, 243, 195], - "guaranteed": false - }, - { - "address": "CjWdTpuDaZ69nTGxzm9YarR82YDYFECi1WaaREZTMy5yDsjaRX5bC3cbC3JpcrBPd7YYpjoWKuBMidgGaKBK5JyeeJWv5WqMCNE2hRs9rJfy", - "network": "Mainnet", - "spend": "258dfe7eef9be934839f3b8e0d40e79035fe85879c0a9eb0d7372ae2deb0004c", - "view": "f91382373045f3cc69233254ab0406bc9e008707569ff9db4718654812d839df", - "subaddress": true, - "integrated": true, - "payment_id": [153, 176, 98, 204, 151, 27, 197, 168], - "guaranteed": false - }, - { - "address": "CjWdTpuDaZ69nTGxzm9YarR82YDYFECi1WaaREZTMy5yDsjaRX5bC3cbC3JpcrBPd7YYpjoWKuBMidgGaKBK5Jye2v4DwqwH1", - "network": "Mainnet", - "spend": "258dfe7eef9be934839f3b8e0d40e79035fe85879c0a9eb0d7372ae2deb0004c", - "view": "f91382373045f3cc69233254ab0406bc9e008707569ff9db4718654812d839df", - "subaddress": false, - "integrated": false, - "guaranteed": true - }, - { - "address": "CjWdTpuDaZ69nTGxzm9YarR82YDYFECi1WaaREZTMy5yDsjaRX5bC3cbC3JpcrBPd7YYpjoWKuBMidgGaKBK5Jye2v4Pyz8bD", - "network": "Mainnet", - "spend": "258dfe7eef9be934839f3b8e0d40e79035fe85879c0a9eb0d7372ae2deb0004c", - "view": "f91382373045f3cc69233254ab0406bc9e008707569ff9db4718654812d839df", - "subaddress": true, - "integrated": false, - "guaranteed": true - }, - { - "address": "CjWdTpuDaZ69nTGxzm9YarR82YDYFECi1WaaREZTMy5yDsjaRX5bC3cbC3JpcrBPd7YYpjoWKuBMidgGaKBK5JyeeJcwt7hykou237MqZZDA", - "network": "Mainnet", - "spend": "258dfe7eef9be934839f3b8e0d40e79035fe85879c0a9eb0d7372ae2deb0004c", - "view": "f91382373045f3cc69233254ab0406bc9e008707569ff9db4718654812d839df", - "subaddress": false, - "integrated": true, - "payment_id": [88, 37, 149, 111, 171, 108, 120, 181], - "guaranteed": true - }, - { - "address": "CjWdTpuDaZ69nTGxzm9YarR82YDYFECi1WaaREZTMy5yDsjaRX5bC3cbC3JpcrBPd7YYpjoWKuBMidgGaKBK5JyeeJfTrFAp69u2MYbf5YeN", - "network": "Mainnet", - "spend": "258dfe7eef9be934839f3b8e0d40e79035fe85879c0a9eb0d7372ae2deb0004c", - "view": "f91382373045f3cc69233254ab0406bc9e008707569ff9db4718654812d839df", - "subaddress": true, - "integrated": true, - "payment_id": [125, 69, 155, 152, 140, 160, 157, 186], - "guaranteed": true - }, - { - "address": "Kgx5uCVsMSEVm7seL8tjyRGmmVXjWfEowKpKjgaXUGVyMViBYMh13VQ4mfqpB7zEVVcJx3E8FFgAuQ8cq6mg5x712U9w7ScYA", - 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"guaranteed": false - }, - { - "address": "Kgx5uCVsMSEVm7seL8tjyRGmmVXjWfEowKpKjgaXUGVyMViBYMh13VQ4mfqpB7zEVVcJx3E8FFgAuQ8cq6mg5x71Vc2o1rPMaXN31Fe5J6dn", - "network": "Testnet", - "spend": "bba3a8a5bb47f7abf2e2dffeaf43385e4b308fd63a9ff6707e355f3b0a6c247a", - "view": "881713a4fa9777168a54bbdcb75290d319fb92fdf1026a8a4b125a8e341de8ab", - "subaddress": true, - "integrated": true, - "payment_id": [20, 120, 47, 89, 72, 165, 233, 115], - "guaranteed": false - }, - { - "address": "Kgx5uCVsMSEVm7seL8tjyRGmmVXjWfEowKpKjgaXUGVyMViBYMh13VQ4mfqpB7zEVVcJx3E8FFgAuQ8cq6mg5x712UAQHCRZ4", - "network": "Testnet", - "spend": "bba3a8a5bb47f7abf2e2dffeaf43385e4b308fd63a9ff6707e355f3b0a6c247a", - "view": "881713a4fa9777168a54bbdcb75290d319fb92fdf1026a8a4b125a8e341de8ab", - "subaddress": false, - "integrated": false, - "guaranteed": true - }, - { - "address": "Kgx5uCVsMSEVm7seL8tjyRGmmVXjWfEowKpKjgaXUGVyMViBYMh13VQ4mfqpB7zEVVcJx3E8FFgAuQ8cq6mg5x712UAUzqaii", - "network": "Testnet", - "spend": "bba3a8a5bb47f7abf2e2dffeaf43385e4b308fd63a9ff6707e355f3b0a6c247a", - "view": "881713a4fa9777168a54bbdcb75290d319fb92fdf1026a8a4b125a8e341de8ab", - "subaddress": true, - "integrated": false, - "guaranteed": true - }, - { - "address": "Kgx5uCVsMSEVm7seL8tjyRGmmVXjWfEowKpKjgaXUGVyMViBYMh13VQ4mfqpB7zEVVcJx3E8FFgAuQ8cq6mg5x71VcAsfQc3gJQ2gHLd5DiQ", - "network": "Testnet", - "spend": "bba3a8a5bb47f7abf2e2dffeaf43385e4b308fd63a9ff6707e355f3b0a6c247a", - "view": "881713a4fa9777168a54bbdcb75290d319fb92fdf1026a8a4b125a8e341de8ab", - "subaddress": false, - "integrated": true, - "payment_id": [193, 149, 123, 214, 180, 205, 195, 91], - "guaranteed": true - }, - { - "address": "Kgx5uCVsMSEVm7seL8tjyRGmmVXjWfEowKpKjgaXUGVyMViBYMh13VQ4mfqpB7zEVVcJx3E8FFgAuQ8cq6mg5x71VcDBAD5jbZQ3AMHFyvQB", - "network": "Testnet", - "spend": "bba3a8a5bb47f7abf2e2dffeaf43385e4b308fd63a9ff6707e355f3b0a6c247a", - "view": "881713a4fa9777168a54bbdcb75290d319fb92fdf1026a8a4b125a8e341de8ab", - "subaddress": true, - "integrated": true, - "payment_id": [205, 170, 65, 0, 51, 175, 251, 184], - "guaranteed": true - }, - { - "address": "FSDinqdKK54PbjF73GgW3nUpf7bF8QbyxFCUurENmUyeEfSxSLL2hxwANBLzq1A8gTSAzzEn65hKjetA8o5BvjV61VPJnBtTP", - "network": "Stagenet", - "spend": "4cd503040f5e43871bf37d8ca7177da655bda410859af754e24e7b44437f3151", - "view": "af60d42b6c6e4437fd93eb32657a14967efa393630d7aee27b5973c8e1c5ad39", - "subaddress": false, - "integrated": false, - "guaranteed": false - }, - { - "address": "FSDinqdKK54PbjF73GgW3nUpf7bF8QbyxFCUurENmUyeEfSxSLL2hxwANBLzq1A8gTSAzzEn65hKjetA8o5BvjV61VPUrwMvP", - "network": "Stagenet", - "spend": "4cd503040f5e43871bf37d8ca7177da655bda410859af754e24e7b44437f3151", - "view": "af60d42b6c6e4437fd93eb32657a14967efa393630d7aee27b5973c8e1c5ad39", - "subaddress": true, - "integrated": false, - "guaranteed": false - }, - { - "address": "FSDinqdKK54PbjF73GgW3nUpf7bF8QbyxFCUurENmUyeEfSxSLL2hxwANBLzq1A8gTSAzzEn65hKjetA8o5BvjV6AY5ECEhP5Nr1aCRPXdxk", - "network": "Stagenet", - "spend": "4cd503040f5e43871bf37d8ca7177da655bda410859af754e24e7b44437f3151", - "view": "af60d42b6c6e4437fd93eb32657a14967efa393630d7aee27b5973c8e1c5ad39", - "subaddress": false, - "integrated": true, - "payment_id": [173, 149, 78, 64, 215, 211, 66, 170], - "guaranteed": false - }, - { - "address": "FSDinqdKK54PbjF73GgW3nUpf7bF8QbyxFCUurENmUyeEfSxSLL2hxwANBLzq1A8gTSAzzEn65hKjetA8o5BvjV6AY882kTUS1D2LttnPvTR", - "network": "Stagenet", - "spend": "4cd503040f5e43871bf37d8ca7177da655bda410859af754e24e7b44437f3151", - "view": "af60d42b6c6e4437fd93eb32657a14967efa393630d7aee27b5973c8e1c5ad39", - "subaddress": true, - "integrated": true, - "payment_id": [254, 159, 186, 162, 1, 8, 156, 108], - "guaranteed": false - }, - { - "address": "FSDinqdKK54PbjF73GgW3nUpf7bF8QbyxFCUurENmUyeEfSxSLL2hxwANBLzq1A8gTSAzzEn65hKjetA8o5BvjV61VPpBBo8F", - "network": "Stagenet", - "spend": "4cd503040f5e43871bf37d8ca7177da655bda410859af754e24e7b44437f3151", - "view": "af60d42b6c6e4437fd93eb32657a14967efa393630d7aee27b5973c8e1c5ad39", - "subaddress": false, - "integrated": false, - "guaranteed": true - }, - { - "address": "FSDinqdKK54PbjF73GgW3nUpf7bF8QbyxFCUurENmUyeEfSxSLL2hxwANBLzq1A8gTSAzzEn65hKjetA8o5BvjV61VPuUJX3b", - "network": "Stagenet", - "spend": "4cd503040f5e43871bf37d8ca7177da655bda410859af754e24e7b44437f3151", - "view": "af60d42b6c6e4437fd93eb32657a14967efa393630d7aee27b5973c8e1c5ad39", - "subaddress": true, - "integrated": false, - "guaranteed": true - }, - { - "address": "FSDinqdKK54PbjF73GgW3nUpf7bF8QbyxFCUurENmUyeEfSxSLL2hxwANBLzq1A8gTSAzzEn65hKjetA8o5BvjV6AYCZPxVAoDu21DryMoto", - "network": "Stagenet", - "spend": "4cd503040f5e43871bf37d8ca7177da655bda410859af754e24e7b44437f3151", - "view": "af60d42b6c6e4437fd93eb32657a14967efa393630d7aee27b5973c8e1c5ad39", - "subaddress": false, - "integrated": true, - "payment_id": [3, 115, 230, 129, 172, 108, 116, 235], - "guaranteed": true - }, - { - "address": "FSDinqdKK54PbjF73GgW3nUpf7bF8QbyxFCUurENmUyeEfSxSLL2hxwANBLzq1A8gTSAzzEn65hKjetA8o5BvjV6AYFYCqKQAWL18KkpBQ8R", - "network": "Stagenet", - "spend": "4cd503040f5e43871bf37d8ca7177da655bda410859af754e24e7b44437f3151", - "view": "af60d42b6c6e4437fd93eb32657a14967efa393630d7aee27b5973c8e1c5ad39", - "subaddress": true, - "integrated": true, - "payment_id": [94, 122, 63, 167, 209, 225, 14, 180], - "guaranteed": true - } -] diff --git a/networks/monero/wallet/src/decoys.rs b/networks/monero/wallet/src/decoys.rs deleted file mode 100644 index b13179f9..00000000 --- a/networks/monero/wallet/src/decoys.rs +++ /dev/null @@ -1,331 +0,0 @@ -use std_shims::{io, vec::Vec, string::ToString, collections::HashSet}; - -use zeroize::{Zeroize, ZeroizeOnDrop}; - -use rand_core::{RngCore, CryptoRng}; -use rand_distr::{Distribution, Gamma}; -#[cfg(not(feature = "std"))] -use rand_distr::num_traits::Float; - -use curve25519_dalek::{Scalar, EdwardsPoint}; - -use crate::{ - DEFAULT_LOCK_WINDOW, COINBASE_LOCK_WINDOW, BLOCK_TIME, - primitives::{Commitment, Decoys}, - rpc::{RpcError, DecoyRpc}, - output::OutputData, - WalletOutput, -}; - -const RECENT_WINDOW: u64 = 15; -const BLOCKS_PER_YEAR: usize = (365 * 24 * 60 * 60) / BLOCK_TIME; -#[allow(clippy::cast_precision_loss)] -const TIP_APPLICATION: f64 = (DEFAULT_LOCK_WINDOW * BLOCK_TIME) as f64; - -async fn select_n( - rng: &mut (impl RngCore + CryptoRng), - rpc: &impl DecoyRpc, - height: usize, - real_output: u64, - ring_len: u8, - fingerprintable_deterministic: bool, -) -> Result, RpcError> { - if height < DEFAULT_LOCK_WINDOW { - Err(RpcError::InternalError("not enough blocks to select decoys".to_string()))?; - } - if height > rpc.get_output_distribution_end_height().await? { - Err(RpcError::InternalError( - "decoys being requested from blocks this node doesn't have".to_string(), - ))?; - } - - // Get the distribution - let distribution = rpc.get_output_distribution(.. height).await?; - if distribution.len() < DEFAULT_LOCK_WINDOW { - Err(RpcError::InternalError("not enough blocks to select decoys".to_string()))?; - } - let highest_output_exclusive_bound = distribution[distribution.len() - DEFAULT_LOCK_WINDOW]; - // This assumes that each miner TX had one output (as sane) and checks we have sufficient - // outputs even when excluding them (due to their own timelock requirements) - // Considering this a temporal error for very new chains, it's sufficiently sane to have - if highest_output_exclusive_bound.saturating_sub( - u64::try_from(COINBASE_LOCK_WINDOW).expect("coinbase lock window exceeds 2^{64}"), - ) < u64::from(ring_len) - { - Err(RpcError::InternalError("not enough decoy candidates".to_string()))?; - } - - // Determine the outputs per second - #[allow(clippy::cast_precision_loss)] - let per_second = { - let blocks = distribution.len().min(BLOCKS_PER_YEAR); - let initial = distribution[distribution.len().saturating_sub(blocks + 1)]; - let outputs = distribution[distribution.len() - 1].saturating_sub(initial); - (outputs as f64) / ((blocks * BLOCK_TIME) as f64) - }; - - // Don't select the real output - let mut do_not_select = HashSet::new(); - do_not_select.insert(real_output); - - let decoy_count = usize::from(ring_len - 1); - let mut res = Vec::with_capacity(decoy_count); - - let mut iters = 0; - // Iterates until we have enough decoys - // If an iteration only returns a partial set of decoys, the remainder will be obvious as decoys - // to the RPC - // The length of that remainder is expected to be minimal - while res.len() != decoy_count { - iters += 1; - #[cfg(not(test))] - const MAX_ITERS: usize = 10; - // When testing on fresh chains, increased iterations can be useful and we don't necessitate - // reasonable performance - #[cfg(test)] - const MAX_ITERS: usize = 100; - // Ensure this isn't infinitely looping - // We check both that we aren't at the maximum amount of iterations and that the not-yet - // selected candidates exceed the amount of candidates necessary to trigger the next iteration - if (iters == MAX_ITERS) || - ((highest_output_exclusive_bound - - u64::try_from(do_not_select.len()).expect("amount of ignored decoys exceeds 2^{64}")) < - u64::from(ring_len)) - { - Err(RpcError::InternalError("hit decoy selection round limit".to_string()))?; - } - - let remaining = decoy_count - res.len(); - let mut candidates = Vec::with_capacity(remaining); - while candidates.len() != remaining { - // Use a gamma distribution, as Monero does - // https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c45 - // /src/wallet/wallet2.cpp#L142-L143 - let mut age = Gamma::::new(19.28, 1.0 / 1.61) - .expect("constant Gamma distribution could no longer be created") - .sample(rng) - .exp(); - #[allow(clippy::cast_precision_loss)] - if age > TIP_APPLICATION { - age -= TIP_APPLICATION; - } else { - // f64 does not have try_from available, which is why these are written with `as` - age = (rng.next_u64() % - (RECENT_WINDOW * u64::try_from(BLOCK_TIME).expect("BLOCK_TIME exceeded u64::MAX"))) - as f64; - } - - #[allow(clippy::cast_sign_loss, clippy::cast_possible_truncation)] - let o = (age * per_second) as u64; - if o < highest_output_exclusive_bound { - // Find which block this points to - let i = distribution.partition_point(|s| *s < (highest_output_exclusive_bound - 1 - o)); - let prev = i.saturating_sub(1); - let n = distribution[i].checked_sub(distribution[prev]).ok_or_else(|| { - RpcError::InternalError("RPC returned non-monotonic distribution".to_string()) - })?; - if n != 0 { - // Select an output from within this block - let o = distribution[prev] + (rng.next_u64() % n); - if !do_not_select.contains(&o) { - candidates.push(o); - // This output will either be used or is unusable - // In either case, we should not try it again - do_not_select.insert(o); - } - } - } - } - - // If this is the first time we're requesting these outputs, include the real one as well - // Prevents the node we're connected to from having a list of known decoys and then seeing a - // TX which uses all of them, with one additional output (the true spend) - let real_index = if iters == 0 { - candidates.push(real_output); - // Sort candidates so the real spends aren't the ones at the end - candidates.sort(); - Some( - candidates - .binary_search(&real_output) - .expect("selected a ring which didn't include the real spend"), - ) - } else { - None - }; - - for (i, output) in rpc - .get_unlocked_outputs(&candidates, height, fingerprintable_deterministic) - .await? - .iter_mut() - .enumerate() - { - // We could check the returned info is equivalent to our expectations, yet that'd allow the - // node to malleate the returned info to see if they can cause this error (allowing them to - // figure out the output being spent) - // - // Some degree of this attack (forcing resampling/trying to observe errors) is likely - // always possible - if real_index == Some(i) { - continue; - } - - // If this is an unlocked output, push it to the result - if let Some(output) = output.take() { - res.push((candidates[i], output)); - } - } - } - - Ok(res) -} - -async fn select_decoys( - rng: &mut R, - rpc: &impl DecoyRpc, - ring_len: u8, - height: usize, - input: &WalletOutput, - fingerprintable_deterministic: bool, -) -> Result { - if ring_len == 0 { - Err(RpcError::InternalError("requesting a ring of length 0".to_string()))?; - } - - // Select all decoys for this transaction, assuming we generate a sane transaction - // We should almost never naturally generate an insane transaction, hence why this doesn't - // bother with an overage - let decoys = select_n( - rng, - rpc, - height, - input.relative_id.index_on_blockchain, - ring_len, - fingerprintable_deterministic, - ) - .await?; - - // Form the complete ring - let mut ring = decoys; - ring.push((input.relative_id.index_on_blockchain, [input.key(), input.commitment().calculate()])); - ring.sort_by(|a, b| a.0.cmp(&b.0)); - - /* - Monero does have sanity checks which it applies to the selected ring. - - They're statistically unlikely to be hit and only occur when the transaction is published over - the RPC (so they are not a relay rule). The RPC allows disabling them, which monero-rpc does to - ensure they don't pose a problem. - - They aren't worth the complexity to implement here, especially since they're non-deterministic. - */ - - // We need to convert our positional indexes to offset indexes - let mut offsets = Vec::with_capacity(ring.len()); - { - offsets.push(ring[0].0); - for m in 1 .. ring.len() { - offsets.push(ring[m].0 - ring[m - 1].0); - } - } - - Ok( - Decoys::new( - offsets, - // Binary searches for the real spend since we don't know where it sorted to - // TODO: Define our own collection whose `len` function returns `u8` to ensure this bound - // with types - u8::try_from(ring.partition_point(|x| x.0 < input.relative_id.index_on_blockchain)) - .expect("ring of size <= u8::MAX had an index exceeding u8::MAX"), - ring.into_iter().map(|output| output.1).collect(), - ) - .expect("selected a syntactically-invalid set of Decoys"), - ) -} - -/// An output with decoys selected. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize, ZeroizeOnDrop)] -pub struct OutputWithDecoys { - output: OutputData, - decoys: Decoys, -} - -impl OutputWithDecoys { - /// Select decoys for this output. - pub async fn new( - rng: &mut (impl Send + Sync + RngCore + CryptoRng), - rpc: &impl DecoyRpc, - ring_len: u8, - height: usize, - output: WalletOutput, - ) -> Result { - let decoys = select_decoys(rng, rpc, ring_len, height, &output, false).await?; - Ok(OutputWithDecoys { output: output.data.clone(), decoys }) - } - - /// Select a set of decoys for this output with a deterministic process. - /// - /// This function will always output the same set of decoys when called with the same arguments. - /// This makes it very useful in multisignature contexts, where instead of having one participant - /// select the decoys, everyone can locally select the decoys while coming to the same result. - /// - /// The set of decoys selected may be fingerprintable as having been produced by this - /// methodology. - pub async fn fingerprintable_deterministic_new( - rng: &mut (impl Send + Sync + RngCore + CryptoRng), - rpc: &impl DecoyRpc, - ring_len: u8, - height: usize, - output: WalletOutput, - ) -> Result { - let decoys = select_decoys(rng, rpc, ring_len, height, &output, true).await?; - Ok(OutputWithDecoys { output: output.data.clone(), decoys }) - } - - /// The key this output may be spent by. - pub fn key(&self) -> EdwardsPoint { - self.output.key() - } - - /// The scalar to add to the private spend key for it to be the discrete logarithm of this - /// output's key. - pub fn key_offset(&self) -> Scalar { - self.output.key_offset - } - - /// The commitment this output created. - pub fn commitment(&self) -> &Commitment { - &self.output.commitment - } - - /// The decoys this output selected. - pub fn decoys(&self) -> &Decoys { - &self.decoys - } - - /// Write the OutputWithDecoys. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn write(&self, w: &mut W) -> io::Result<()> { - self.output.write(w)?; - self.decoys.write(w) - } - - /// Serialize the OutputWithDecoys to a `Vec`. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn serialize(&self) -> Vec { - let mut serialized = Vec::with_capacity(128); - self.write(&mut serialized).expect("write failed but doesn't fail"); - serialized - } - - /// Read an OutputWithDecoys. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn read(r: &mut R) -> io::Result { - Ok(Self { output: OutputData::read(r)?, decoys: Decoys::read(r)? }) - } -} diff --git a/networks/monero/wallet/src/extra.rs b/networks/monero/wallet/src/extra.rs deleted file mode 100644 index 5041a3cf..00000000 --- a/networks/monero/wallet/src/extra.rs +++ /dev/null @@ -1,304 +0,0 @@ -use core::ops::BitXor; -use std_shims::{ - vec, - vec::Vec, - io::{self, Read, BufRead, Write}, -}; - -use zeroize::Zeroize; - -use curve25519_dalek::edwards::EdwardsPoint; - -use monero_serai::io::*; - -pub(crate) const MAX_TX_EXTRA_PADDING_COUNT: usize = 255; -const MAX_TX_EXTRA_NONCE_SIZE: usize = 255; - -const PAYMENT_ID_MARKER: u8 = 0; -const ENCRYPTED_PAYMENT_ID_MARKER: u8 = 1; -// Used as it's the highest value not interpretable as a continued VarInt -pub(crate) const ARBITRARY_DATA_MARKER: u8 = 127; - -/// The max amount of data which will fit within a blob of arbitrary data. -// 1 byte is used for the marker -pub const MAX_ARBITRARY_DATA_SIZE: usize = MAX_TX_EXTRA_NONCE_SIZE - 1; - -/// A Payment ID. -/// -/// This is a legacy method of identifying why Monero was sent to the receiver. -#[derive(Clone, Copy, PartialEq, Eq, Debug, Zeroize)] -pub enum PaymentId { - /// A deprecated form of payment ID which is no longer supported. - Unencrypted([u8; 32]), - /// An encrypted payment ID. - Encrypted([u8; 8]), -} - -impl BitXor<[u8; 8]> for PaymentId { - type Output = PaymentId; - - fn bitxor(self, bytes: [u8; 8]) -> PaymentId { - match self { - // Don't perform the xor since this isn't intended to be encrypted with xor - PaymentId::Unencrypted(_) => self, - PaymentId::Encrypted(id) => { - PaymentId::Encrypted((u64::from_le_bytes(id) ^ u64::from_le_bytes(bytes)).to_le_bytes()) - } - } - } -} - -impl PaymentId { - /// Write the PaymentId. - pub fn write(&self, w: &mut W) -> io::Result<()> { - match self { - PaymentId::Unencrypted(id) => { - w.write_all(&[PAYMENT_ID_MARKER])?; - w.write_all(id)?; - } - PaymentId::Encrypted(id) => { - w.write_all(&[ENCRYPTED_PAYMENT_ID_MARKER])?; - w.write_all(id)?; - } - } - Ok(()) - } - - /// Serialize the PaymentId to a `Vec`. - pub fn serialize(&self) -> Vec { - let mut res = Vec::with_capacity(1 + 8); - self.write(&mut res).expect("write failed but doesn't fail"); - res - } - - /// Read a PaymentId. - pub fn read(r: &mut R) -> io::Result { - Ok(match read_byte(r)? { - 0 => PaymentId::Unencrypted(read_bytes(r)?), - 1 => PaymentId::Encrypted(read_bytes(r)?), - _ => Err(io::Error::other("unknown payment ID type"))?, - }) - } -} - -/// A field within the TX extra. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub enum ExtraField { - /// Padding. - /// - /// This is a block of zeroes within the TX extra. - Padding(usize), - /// The transaction key. - /// - /// This is a commitment to the randomness used for deriving outputs. - PublicKey(EdwardsPoint), - /// The nonce field. - /// - /// This is used for data, such as payment IDs. - Nonce(Vec), - /// The field for merge-mining. - /// - /// This is used within miner transactions who are merge-mining Monero to specify the foreign - /// block they mined. - MergeMining(u64, [u8; 32]), - /// The additional transaction keys. - /// - /// These are the per-output commitments to the randomness used for deriving outputs. - PublicKeys(Vec), - /// The 'mysterious' Minergate tag. - /// - /// This was used by a closed source entity without documentation. Support for parsing it was - /// added to reduce extra which couldn't be decoded. - MysteriousMinergate(Vec), -} - -impl ExtraField { - /// Write the ExtraField. - pub fn write(&self, w: &mut W) -> io::Result<()> { - match self { - ExtraField::Padding(size) => { - w.write_all(&[0])?; - for _ in 1 .. *size { - write_byte(&0u8, w)?; - } - } - ExtraField::PublicKey(key) => { - w.write_all(&[1])?; - w.write_all(&key.compress().to_bytes())?; - } - ExtraField::Nonce(data) => { - w.write_all(&[2])?; - write_vec(write_byte, data, w)?; - } - ExtraField::MergeMining(height, merkle) => { - w.write_all(&[3])?; - write_varint(height, w)?; - w.write_all(merkle)?; - } - ExtraField::PublicKeys(keys) => { - w.write_all(&[4])?; - write_vec(write_point, keys, w)?; - } - ExtraField::MysteriousMinergate(data) => { - w.write_all(&[0xDE])?; - write_vec(write_byte, data, w)?; - } - } - Ok(()) - } - - /// Serialize the ExtraField to a `Vec`. - pub fn serialize(&self) -> Vec { - let mut res = Vec::with_capacity(1 + 8); - self.write(&mut res).expect("write failed but doesn't fail"); - res - } - - /// Read an ExtraField. - pub fn read(r: &mut R) -> io::Result { - Ok(match read_byte(r)? { - 0 => ExtraField::Padding({ - // Read until either non-zero, max padding count, or end of buffer - let mut size: usize = 1; - loop { - let buf = r.fill_buf()?; - let mut n_consume = 0; - for v in buf { - if *v != 0u8 { - Err(io::Error::other("non-zero value after padding"))? - } - n_consume += 1; - size += 1; - if size > MAX_TX_EXTRA_PADDING_COUNT { - Err(io::Error::other("padding exceeded max count"))? - } - } - if n_consume == 0 { - break; - } - r.consume(n_consume); - } - size - }), - 1 => ExtraField::PublicKey(read_point(r)?), - 2 => ExtraField::Nonce(read_vec(read_byte, Some(MAX_TX_EXTRA_NONCE_SIZE), r)?), - 3 => ExtraField::MergeMining(read_varint(r)?, read_bytes(r)?), - 4 => ExtraField::PublicKeys(read_vec(read_point, None, r)?), - 0xDE => ExtraField::MysteriousMinergate(read_vec(read_byte, None, r)?), - _ => Err(io::Error::other("unknown extra field"))?, - }) - } -} - -/// The result of decoding a transaction's extra field. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub struct Extra(pub(crate) Vec); -impl Extra { - /// The keys within this extra. - /// - /// This returns all keys specified with `PublicKey` and the first set of keys specified with - /// `PublicKeys`, so long as they're well-formed. - // https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c45 - // /src/wallet/wallet2.cpp#L2290-L2300 - // https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 - // /src/wallet/wallet2.cpp#L2337-L2340 - pub fn keys(&self) -> Option<(Vec, Option>)> { - let mut keys = vec![]; - let mut additional = None; - for field in &self.0 { - match field.clone() { - ExtraField::PublicKey(this_key) => keys.push(this_key), - ExtraField::PublicKeys(these_additional) => { - additional = additional.or(Some(these_additional)) - } - _ => (), - } - } - // Don't return any keys if this was non-standard and didn't include the primary key - if keys.is_empty() { - None - } else { - Some((keys, additional)) - } - } - - /// The payment ID embedded within this extra. - // Monero finds the first nonce field and reads the payment ID from it: - // https://github.com/monero-project/monero/blob/ac02af92867590ca80b2779a7bbeafa99ff94dcb/ - // src/wallet/wallet2.cpp#L2709-L2752 - pub fn payment_id(&self) -> Option { - for field in &self.0 { - if let ExtraField::Nonce(data) = field { - return PaymentId::read::<&[u8]>(&mut data.as_ref()).ok(); - } - } - None - } - - /// The arbitrary data within this extra. - /// - /// This uses a marker custom to monero-wallet. - pub fn data(&self) -> Vec> { - let mut res = vec![]; - for field in &self.0 { - if let ExtraField::Nonce(data) = field { - if data[0] == ARBITRARY_DATA_MARKER { - res.push(data[1 ..].to_vec()); - } - } - } - res - } - - pub(crate) fn new(key: EdwardsPoint, additional: Vec) -> Extra { - let mut res = Extra(Vec::with_capacity(3)); - // https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 - // /src/cryptonote_basic/cryptonote_format_utils.cpp#L627-L633 - // We only support pushing nonces which come after these in the sort order - res.0.push(ExtraField::PublicKey(key)); - if !additional.is_empty() { - res.0.push(ExtraField::PublicKeys(additional)); - } - res - } - - pub(crate) fn push_nonce(&mut self, nonce: Vec) { - self.0.push(ExtraField::Nonce(nonce)); - } - - /// Write the Extra. - /// - /// This is not of deterministic length nor length-prefixed. It should only be written to a - /// buffer which will be delimited. - pub fn write(&self, w: &mut W) -> io::Result<()> { - for field in &self.0 { - field.write(w)?; - } - Ok(()) - } - - /// Serialize the Extra to a `Vec`. - pub fn serialize(&self) -> Vec { - let mut buf = vec![]; - self.write(&mut buf).expect("write failed but doesn't fail"); - buf - } - - /// Read an `Extra`. - /// - /// This is not of deterministic length nor length-prefixed. It should only be read from a buffer - /// already delimited. - #[allow(clippy::unnecessary_wraps)] - pub fn read(r: &mut R) -> io::Result { - let mut res = Extra(vec![]); - // Extra reads until EOF - // We take a BufRead so we can detect when the buffer is empty - // `fill_buf` returns the current buffer, filled if empty, only empty if the reader is - // exhausted - while !r.fill_buf()?.is_empty() { - let Ok(field) = ExtraField::read(r) else { break }; - res.0.push(field); - } - Ok(res) - } -} diff --git a/networks/monero/wallet/src/lib.rs b/networks/monero/wallet/src/lib.rs deleted file mode 100644 index 703ba69c..00000000 --- a/networks/monero/wallet/src/lib.rs +++ /dev/null @@ -1,163 +0,0 @@ -#![cfg_attr(docsrs, feature(doc_auto_cfg))] -#![doc = include_str!("../README.md")] -#![deny(missing_docs)] -#![cfg_attr(not(feature = "std"), no_std)] - -use std_shims::vec::Vec; - -use zeroize::{Zeroize, Zeroizing}; - -use curve25519_dalek::{Scalar, EdwardsPoint}; - -use monero_serai::{ - io::write_varint, - primitives::{Commitment, keccak256, keccak256_to_scalar}, - ringct::EncryptedAmount, - transaction::Input, -}; - -pub use monero_serai::*; - -pub use monero_rpc as rpc; - -pub use monero_address as address; - -mod view_pair; -pub use view_pair::{ViewPairError, ViewPair, GuaranteedViewPair}; - -/// Structures and functionality for working with transactions' extra fields. -pub mod extra; -pub(crate) use extra::{PaymentId, Extra}; - -pub(crate) mod output; -pub use output::WalletOutput; - -mod scan; -pub use scan::{Timelocked, ScanError, Scanner, GuaranteedScanner}; - -mod decoys; -pub use decoys::OutputWithDecoys; - -/// Structs and functionality for sending transactions. -pub mod send; - -#[cfg(test)] -mod tests; - -#[derive(Clone, PartialEq, Eq, Zeroize)] -struct SharedKeyDerivations { - // Hs("view_tag" || 8Ra || o) - view_tag: u8, - // Hs(uniqueness || 8Ra || o) where uniqueness may be empty - shared_key: Scalar, -} - -impl SharedKeyDerivations { - // https://gist.github.com/kayabaNerve/8066c13f1fe1573286ba7a2fd79f6100 - fn uniqueness(inputs: &[Input]) -> [u8; 32] { - let mut u = b"uniqueness".to_vec(); - for input in inputs { - match input { - // If Gen, this should be the only input, making this loop somewhat pointless - // This works and even if there were somehow multiple inputs, it'd be a false negative - Input::Gen(height) => { - write_varint(height, &mut u).expect("write failed but doesn't fail"); - } - Input::ToKey { key_image, .. } => u.extend(key_image.compress().to_bytes()), - } - } - keccak256(u) - } - - #[allow(clippy::needless_pass_by_value)] - fn output_derivations( - uniqueness: Option<[u8; 32]>, - ecdh: Zeroizing, - o: usize, - ) -> Zeroizing { - // 8Ra - let mut output_derivation = Zeroizing::new( - Zeroizing::new(Zeroizing::new(ecdh.mul_by_cofactor()).compress().to_bytes()).to_vec(), - ); - - // || o - { - let output_derivation: &mut Vec = output_derivation.as_mut(); - write_varint(&o, output_derivation) - .expect("write failed but doesn't fail"); - } - - let view_tag = keccak256([b"view_tag".as_ref(), &output_derivation].concat())[0]; - - // uniqueness || - let output_derivation = if let Some(uniqueness) = uniqueness { - Zeroizing::new([uniqueness.as_ref(), &output_derivation].concat()) - } else { - output_derivation - }; - - Zeroizing::new(SharedKeyDerivations { - view_tag, - shared_key: keccak256_to_scalar(&output_derivation), - }) - } - - // H(8Ra || 0x8d) - #[allow(clippy::needless_pass_by_value)] - fn payment_id_xor(ecdh: Zeroizing) -> [u8; 8] { - // 8Ra - let output_derivation = Zeroizing::new( - Zeroizing::new(Zeroizing::new(ecdh.mul_by_cofactor()).compress().to_bytes()).to_vec(), - ); - - let mut payment_id_xor = [0; 8]; - payment_id_xor - .copy_from_slice(&keccak256([output_derivation.as_ref(), [0x8d].as_ref()].concat())[.. 8]); - payment_id_xor - } - - fn commitment_mask(&self) -> Scalar { - let mut mask = b"commitment_mask".to_vec(); - mask.extend(self.shared_key.as_bytes()); - let res = keccak256_to_scalar(&mask); - mask.zeroize(); - res - } - - fn compact_amount_encryption(&self, amount: u64) -> [u8; 8] { - let mut amount_mask = Zeroizing::new(b"amount".to_vec()); - amount_mask.extend(self.shared_key.to_bytes()); - let mut amount_mask = keccak256(&amount_mask); - - let mut amount_mask_8 = [0; 8]; - amount_mask_8.copy_from_slice(&amount_mask[.. 8]); - amount_mask.zeroize(); - - (amount ^ u64::from_le_bytes(amount_mask_8)).to_le_bytes() - } - - fn decrypt(&self, enc_amount: &EncryptedAmount) -> Commitment { - match enc_amount { - EncryptedAmount::Original { mask, amount } => { - let mask_shared_sec_scalar = keccak256_to_scalar(self.shared_key.as_bytes()); - let amount_shared_sec_scalar = keccak256_to_scalar(mask_shared_sec_scalar.as_bytes()); - - let mask = Scalar::from_bytes_mod_order(*mask) - mask_shared_sec_scalar; - let amount_scalar = Scalar::from_bytes_mod_order(*amount) - amount_shared_sec_scalar; - - // d2b from rctTypes.cpp - let amount = u64::from_le_bytes( - amount_scalar.to_bytes()[.. 8] - .try_into() - .expect("32-byte array couldn't have an 8-byte slice taken"), - ); - - Commitment::new(mask, amount) - } - EncryptedAmount::Compact { amount } => Commitment::new( - self.commitment_mask(), - u64::from_le_bytes(self.compact_amount_encryption(u64::from_le_bytes(*amount))), - ), - } - } -} diff --git a/networks/monero/wallet/src/output.rs b/networks/monero/wallet/src/output.rs deleted file mode 100644 index 933d7ae7..00000000 --- a/networks/monero/wallet/src/output.rs +++ /dev/null @@ -1,376 +0,0 @@ -use std_shims::{ - vec, - vec::Vec, - io::{self, Read, Write}, -}; - -use zeroize::{Zeroize, ZeroizeOnDrop}; - -use curve25519_dalek::{Scalar, edwards::EdwardsPoint}; - -use crate::{ - io::*, primitives::Commitment, transaction::Timelock, address::SubaddressIndex, extra::PaymentId, -}; - -/// An absolute output ID, defined as its transaction hash and output index. -/// -/// This is not the output's key as multiple outputs may share an output key. -#[derive(Clone, PartialEq, Eq, Zeroize, ZeroizeOnDrop)] -pub(crate) struct AbsoluteId { - pub(crate) transaction: [u8; 32], - pub(crate) index_in_transaction: u64, -} - -impl core::fmt::Debug for AbsoluteId { - fn fmt(&self, fmt: &mut core::fmt::Formatter<'_>) -> Result<(), core::fmt::Error> { - fmt - .debug_struct("AbsoluteId") - .field("transaction", &hex::encode(self.transaction)) - .field("index_in_transaction", &self.index_in_transaction) - .finish() - } -} - -impl AbsoluteId { - /// Write the AbsoluteId. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - fn write(&self, w: &mut W) -> io::Result<()> { - w.write_all(&self.transaction)?; - w.write_all(&self.index_in_transaction.to_le_bytes()) - } - - /// Read an AbsoluteId. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - fn read(r: &mut R) -> io::Result { - Ok(AbsoluteId { transaction: read_bytes(r)?, index_in_transaction: read_u64(r)? }) - } -} - -/// An output's relative ID. -/// -/// This is defined as the output's index on the blockchain. -#[derive(Clone, PartialEq, Eq, Zeroize, ZeroizeOnDrop)] -pub(crate) struct RelativeId { - pub(crate) index_on_blockchain: u64, -} - -impl core::fmt::Debug for RelativeId { - fn fmt(&self, fmt: &mut core::fmt::Formatter<'_>) -> Result<(), core::fmt::Error> { - fmt.debug_struct("RelativeId").field("index_on_blockchain", &self.index_on_blockchain).finish() - } -} - -impl RelativeId { - /// Write the RelativeId. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - fn write(&self, w: &mut W) -> io::Result<()> { - w.write_all(&self.index_on_blockchain.to_le_bytes()) - } - - /// Read an RelativeId. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - fn read(r: &mut R) -> io::Result { - Ok(RelativeId { index_on_blockchain: read_u64(r)? }) - } -} - -/// The data within an output, as necessary to spend the output. -#[derive(Clone, PartialEq, Eq, Zeroize, ZeroizeOnDrop)] -pub(crate) struct OutputData { - pub(crate) key: EdwardsPoint, - pub(crate) key_offset: Scalar, - pub(crate) commitment: Commitment, -} - -impl core::fmt::Debug for OutputData { - fn fmt(&self, fmt: &mut core::fmt::Formatter<'_>) -> Result<(), core::fmt::Error> { - fmt - .debug_struct("OutputData") - .field("key", &hex::encode(self.key.compress().0)) - .field("key_offset", &hex::encode(self.key_offset.to_bytes())) - .field("commitment", &self.commitment) - .finish() - } -} - -impl OutputData { - /// The key this output may be spent by. - pub(crate) fn key(&self) -> EdwardsPoint { - self.key - } - - /// The scalar to add to the private spend key for it to be the discrete logarithm of this - /// output's key. - pub(crate) fn key_offset(&self) -> Scalar { - self.key_offset - } - - /// The commitment this output created. - pub(crate) fn commitment(&self) -> &Commitment { - &self.commitment - } - - /// Write the OutputData. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub(crate) fn write(&self, w: &mut W) -> io::Result<()> { - w.write_all(&self.key.compress().to_bytes())?; - w.write_all(&self.key_offset.to_bytes())?; - self.commitment.write(w) - } - - /* Commented as it's unused, due to self being private - /// Serialize the OutputData to a `Vec`. - pub fn serialize(&self) -> Vec { - let mut res = Vec::with_capacity(32 + 32 + 40); - self.write(&mut res).expect("write failed but doesn't fail"); - res - } - */ - - /// Read an OutputData. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub(crate) fn read(r: &mut R) -> io::Result { - Ok(OutputData { - key: read_point(r)?, - key_offset: read_scalar(r)?, - commitment: Commitment::read(r)?, - }) - } -} - -/// The metadata for an output. -#[derive(Clone, PartialEq, Eq, Zeroize, ZeroizeOnDrop)] -pub(crate) struct Metadata { - pub(crate) additional_timelock: Timelock, - pub(crate) subaddress: Option, - pub(crate) payment_id: Option, - pub(crate) arbitrary_data: Vec>, -} - -impl core::fmt::Debug for Metadata { - fn fmt(&self, fmt: &mut core::fmt::Formatter<'_>) -> Result<(), core::fmt::Error> { - fmt - .debug_struct("Metadata") - .field("additional_timelock", &self.additional_timelock) - .field("subaddress", &self.subaddress) - .field("payment_id", &self.payment_id) - .field("arbitrary_data", &self.arbitrary_data.iter().map(hex::encode).collect::>()) - .finish() - } -} - -impl Metadata { - /// Write the Metadata. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - fn write(&self, w: &mut W) -> io::Result<()> { - self.additional_timelock.write(w)?; - - if let Some(subaddress) = self.subaddress { - w.write_all(&[1])?; - w.write_all(&subaddress.account().to_le_bytes())?; - w.write_all(&subaddress.address().to_le_bytes())?; - } else { - w.write_all(&[0])?; - } - - if let Some(payment_id) = self.payment_id { - w.write_all(&[1])?; - payment_id.write(w)?; - } else { - w.write_all(&[0])?; - } - - w.write_all( - &u64::try_from(self.arbitrary_data.len()) - .expect("amount of arbitrary data chunks exceeded u64::MAX") - .to_le_bytes(), - )?; - for part in &self.arbitrary_data { - // TODO: Define our own collection whose `len` function returns `u8` to ensure this bound - // with types - w.write_all(&[ - u8::try_from(part.len()).expect("piece of arbitrary data exceeded max length of u8::MAX") - ])?; - w.write_all(part)?; - } - Ok(()) - } - - /// Read a Metadata. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - fn read(r: &mut R) -> io::Result { - let additional_timelock = Timelock::read(r)?; - - let subaddress = match read_byte(r)? { - 0 => None, - 1 => Some( - SubaddressIndex::new(read_u32(r)?, read_u32(r)?) - .ok_or_else(|| io::Error::other("invalid subaddress in metadata"))?, - ), - _ => Err(io::Error::other("invalid subaddress is_some boolean in metadata"))?, - }; - - Ok(Metadata { - additional_timelock, - subaddress, - payment_id: if read_byte(r)? == 1 { PaymentId::read(r).ok() } else { None }, - arbitrary_data: { - let mut data = vec![]; - for _ in 0 .. read_u64(r)? { - let len = read_byte(r)?; - data.push(read_raw_vec(read_byte, usize::from(len), r)?); - } - data - }, - }) - } -} - -/// A scanned output and all associated data. -/// -/// This struct contains all data necessary to spend this output, or handle it as a payment. -/// -/// This struct is bound to a specific instance of the blockchain. If the blockchain reorganizes -/// the block this struct is bound to, it MUST be discarded. If any outputs are mutual to both -/// blockchains, scanning the new blockchain will yield those outputs again. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize, ZeroizeOnDrop)] -pub struct WalletOutput { - /// The absolute ID for this transaction. - pub(crate) absolute_id: AbsoluteId, - /// The ID for this transaction, relative to the blockchain. - pub(crate) relative_id: RelativeId, - /// The output's data. - pub(crate) data: OutputData, - /// Associated metadata relevant for handling it as a payment. - pub(crate) metadata: Metadata, -} - -impl WalletOutput { - /// The hash of the transaction which created this output. - pub fn transaction(&self) -> [u8; 32] { - self.absolute_id.transaction - } - - /// The index of the output within the transaction. - pub fn index_in_transaction(&self) -> u64 { - self.absolute_id.index_in_transaction - } - - /// The index of the output on the blockchain. - pub fn index_on_blockchain(&self) -> u64 { - self.relative_id.index_on_blockchain - } - - /// The key this output may be spent by. - pub fn key(&self) -> EdwardsPoint { - self.data.key() - } - - /// The scalar to add to the private spend key for it to be the discrete logarithm of this - /// output's key. - pub fn key_offset(&self) -> Scalar { - self.data.key_offset() - } - - /// The commitment this output created. - pub fn commitment(&self) -> &Commitment { - self.data.commitment() - } - - /// The additional timelock this output is subject to. - /// - /// All outputs are subject to the '10-block lock', a 10-block window after their inclusion - /// on-chain during which they cannot be spent. Outputs may be additionally timelocked. This - /// function only returns the additional timelock. - pub fn additional_timelock(&self) -> Timelock { - self.metadata.additional_timelock - } - - /// The index of the subaddress this output was identified as sent to. - pub fn subaddress(&self) -> Option { - self.metadata.subaddress - } - - /// The payment ID included with this output. - /// - /// This field may be `Some` even if wallet2 would not return a payment ID. wallet2 will only - /// decrypt a payment ID if either: - /// - /// A) The transaction wasn't made by the wallet (via checking if any key images are recognized) - /// B) For the highest-indexed input with a recognized key image, it spends an output with - /// subaddress account `(a, _)` which is distinct from this output's subaddress account - /// - /// Neither of these cases are handled by `monero-wallet` as scanning doesn't have the context - /// of key images. - // - // Identification of the subaddress account for the highest-indexed input with a recognized key - // image: - // https://github.com/monero-project/monero/blob/a1dc85c5373a30f14aaf7dcfdd95f5a7375d3623 - // /src/wallet/wallet2.cpp/#L2637-L2670 - // - // Removal of 'transfers' received to this account: - // https://github.com/monero-project/monero/blob/a1dc85c5373a30f14aaf7dcfdd95f5a7375d3623 - // /src/wallet/wallet2.cpp/#L2782-L2794 - // - // Payment IDs only being decrypted for the remaining transfers: - // https://github.com/monero-project/monero/blob/a1dc85c5373a30f14aaf7dcfdd95f5a7375d3623 - // /src/wallet/wallet2.cpp/#L2796-L2844 - pub fn payment_id(&self) -> Option { - self.metadata.payment_id - } - - /// The arbitrary data from the `extra` field of the transaction which created this output. - pub fn arbitrary_data(&self) -> &[Vec] { - &self.metadata.arbitrary_data - } - - /// Write the WalletOutput. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn write(&self, w: &mut W) -> io::Result<()> { - self.absolute_id.write(w)?; - self.relative_id.write(w)?; - self.data.write(w)?; - self.metadata.write(w) - } - - /// Serialize the WalletOutput to a `Vec`. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn serialize(&self) -> Vec { - let mut serialized = Vec::with_capacity(128); - self.write(&mut serialized).expect("write failed but doesn't fail"); - serialized - } - - /// Read a WalletOutput. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn read(r: &mut R) -> io::Result { - Ok(WalletOutput { - absolute_id: AbsoluteId::read(r)?, - relative_id: RelativeId::read(r)?, - data: OutputData::read(r)?, - metadata: Metadata::read(r)?, - }) - } -} diff --git a/networks/monero/wallet/src/scan.rs b/networks/monero/wallet/src/scan.rs deleted file mode 100644 index 79caf3f2..00000000 --- a/networks/monero/wallet/src/scan.rs +++ /dev/null @@ -1,381 +0,0 @@ -use core::ops::Deref; -use std_shims::{vec, vec::Vec, collections::HashMap}; - -use zeroize::{Zeroize, ZeroizeOnDrop, Zeroizing}; - -use curve25519_dalek::{constants::ED25519_BASEPOINT_TABLE, edwards::CompressedEdwardsY}; - -use monero_rpc::ScannableBlock; -use monero_serai::{ - io::*, - primitives::Commitment, - transaction::{Timelock, Pruned, Transaction}, -}; -use crate::{ - address::SubaddressIndex, ViewPair, GuaranteedViewPair, output::*, PaymentId, Extra, - SharedKeyDerivations, -}; - -/// A collection of potentially additionally timelocked outputs. -#[derive(Zeroize, ZeroizeOnDrop)] -pub struct Timelocked(Vec); - -impl Timelocked { - /// Return the outputs which aren't subject to an additional timelock. - #[must_use] - pub fn not_additionally_locked(self) -> Vec { - let mut res = vec![]; - for output in &self.0 { - if output.additional_timelock() == Timelock::None { - res.push(output.clone()); - } - } - res - } - - /// Return the outputs whose additional timelock unlocks by the specified block/time. - /// - /// Additional timelocks are almost never used outside of miner transactions, and are - /// increasingly planned for removal. Ignoring non-miner additionally-timelocked outputs is - /// recommended. - /// - /// `block` is the block number of the block the additional timelock must be satsified by. - /// - /// `time` is represented in seconds since the epoch and is in terms of Monero's on-chain clock. - /// That means outputs whose additional timelocks are statisfied by `Instant::now()` (the time - /// according to the local system clock) may still be locked due to variance with Monero's clock. - #[must_use] - pub fn additional_timelock_satisfied_by(self, block: usize, time: u64) -> Vec { - let mut res = vec![]; - for output in &self.0 { - if (output.additional_timelock() <= Timelock::Block(block)) || - (output.additional_timelock() <= Timelock::Time(time)) - { - res.push(output.clone()); - } - } - res - } - - /// Ignore the timelocks and return all outputs within this container. - #[must_use] - pub fn ignore_additional_timelock(mut self) -> Vec { - let mut res = vec![]; - core::mem::swap(&mut self.0, &mut res); - res - } -} - -/// Errors when scanning a block. -#[derive(Clone, Copy, PartialEq, Eq, Debug)] -#[cfg_attr(feature = "std", derive(thiserror::Error))] -pub enum ScanError { - /// The block was for an unsupported protocol version. - #[cfg_attr(feature = "std", error("unsupported protocol version ({0})"))] - UnsupportedProtocol(u8), - /// The ScannableBlock was invalid. - #[cfg_attr(feature = "std", error("invalid scannable block ({0})"))] - InvalidScannableBlock(&'static str), -} - -#[derive(Clone)] -struct InternalScanner { - pair: ViewPair, - guaranteed: bool, - subaddresses: HashMap>, -} - -impl Zeroize for InternalScanner { - fn zeroize(&mut self) { - self.pair.zeroize(); - self.guaranteed.zeroize(); - - // This may not be effective, unfortunately - for (mut key, mut value) in self.subaddresses.drain() { - key.zeroize(); - value.zeroize(); - } - } -} -impl Drop for InternalScanner { - fn drop(&mut self) { - self.zeroize(); - } -} -impl ZeroizeOnDrop for InternalScanner {} - -impl InternalScanner { - fn new(pair: ViewPair, guaranteed: bool) -> Self { - let mut subaddresses = HashMap::new(); - subaddresses.insert(pair.spend().compress(), None); - Self { pair, guaranteed, subaddresses } - } - - fn register_subaddress(&mut self, subaddress: SubaddressIndex) { - let (spend, _) = self.pair.subaddress_keys(subaddress); - self.subaddresses.insert(spend.compress(), Some(subaddress)); - } - - fn scan_transaction( - &self, - output_index_for_first_ringct_output: u64, - tx_hash: [u8; 32], - tx: &Transaction, - ) -> Result { - // Only scan TXs creating RingCT outputs - // For the full details on why this check is equivalent, please see the documentation in `scan` - if tx.version() != 2 { - return Ok(Timelocked(vec![])); - } - - // Read the extra field - let Ok(extra) = Extra::read::<&[u8]>(&mut tx.prefix().extra.as_ref()) else { - return Ok(Timelocked(vec![])); - }; - - let Some((tx_keys, additional)) = extra.keys() else { - return Ok(Timelocked(vec![])); - }; - let payment_id = extra.payment_id(); - - let mut res = vec![]; - for (o, output) in tx.prefix().outputs.iter().enumerate() { - let Some(output_key) = decompress_point(output.key.to_bytes()) else { continue }; - - // Monero checks with each TX key and with the additional key for this output - - // This will be None if there's no additional keys, Some(None) if there's additional keys - // yet not one for this output (which is non-standard), and Some(Some(_)) if there's an - // additional key for this output - // https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 - // /src/cryptonote_basic/cryptonote_format_utils.cpp#L1060-L1070 - let additional = additional.as_ref().map(|additional| additional.get(o)); - - #[allow(clippy::manual_let_else)] - for key in tx_keys.iter().map(|key| Some(Some(key))).chain(core::iter::once(additional)) { - // Get the key, or continue if there isn't one - let key = match key { - Some(Some(key)) => key, - Some(None) | None => continue, - }; - // Calculate the ECDH - let ecdh = Zeroizing::new(self.pair.view.deref() * key); - let output_derivations = SharedKeyDerivations::output_derivations( - if self.guaranteed { - Some(SharedKeyDerivations::uniqueness(&tx.prefix().inputs)) - } else { - None - }, - ecdh.clone(), - o, - ); - - // Check the view tag matches, if there is a view tag - if let Some(actual_view_tag) = output.view_tag { - if actual_view_tag != output_derivations.view_tag { - continue; - } - } - - // P - shared == spend - let Some(subaddress) = ({ - // The output key may be of torsion [0, 8) - // Our subtracting of a prime-order element means any torsion will be preserved - // If someone wanted to malleate output keys with distinct torsions, only one will be - // scanned accordingly (the one which has matching torsion of the spend key) - let subaddress_spend_key = - output_key - (&output_derivations.shared_key * ED25519_BASEPOINT_TABLE); - self.subaddresses.get(&subaddress_spend_key.compress()) - }) else { - continue; - }; - let subaddress = *subaddress; - - // The key offset is this shared key - let mut key_offset = output_derivations.shared_key; - if let Some(subaddress) = subaddress { - // And if this was to a subaddress, it's additionally the offset from subaddress spend - // key to the normal spend key - key_offset += self.pair.subaddress_derivation(subaddress); - } - // Since we've found an output to us, get its amount - let mut commitment = Commitment::zero(); - - // Miner transaction - if let Some(amount) = output.amount { - commitment.amount = amount; - // Regular transaction - } else { - let Transaction::V2 { proofs: Some(ref proofs), .. } = &tx else { - // Invalid transaction, as of consensus rules at the time of writing this code - Err(ScanError::InvalidScannableBlock("non-miner v2 transaction without RCT proofs"))? - }; - - commitment = match proofs.base.encrypted_amounts.get(o) { - Some(amount) => output_derivations.decrypt(amount), - // Invalid transaction, as of consensus rules at the time of writing this code - None => Err(ScanError::InvalidScannableBlock( - "RCT proofs without an encrypted amount per output", - ))?, - }; - - // Rebuild the commitment to verify it - if Some(&commitment.calculate()) != proofs.base.commitments.get(o) { - continue; - } - } - - // Decrypt the payment ID - let payment_id = payment_id.map(|id| id ^ SharedKeyDerivations::payment_id_xor(ecdh)); - - let o = u64::try_from(o).expect("couldn't convert output index (usize) to u64"); - - res.push(WalletOutput { - absolute_id: AbsoluteId { transaction: tx_hash, index_in_transaction: o }, - relative_id: RelativeId { - index_on_blockchain: output_index_for_first_ringct_output.checked_add(o).ok_or( - ScanError::InvalidScannableBlock( - "transaction's output's index isn't representable as a u64", - ), - )?, - }, - data: OutputData { key: output_key, key_offset, commitment }, - metadata: Metadata { - additional_timelock: tx.prefix().additional_timelock, - subaddress, - payment_id, - arbitrary_data: extra.data(), - }, - }); - - // Break to prevent public keys from being included multiple times, triggering multiple - // inclusions of the same output - break; - } - } - - Ok(Timelocked(res)) - } - - fn scan(&mut self, block: ScannableBlock) -> Result { - // This is the output index for the first RingCT output within the block - // We mutate it to be the output index for the first RingCT for each transaction - let ScannableBlock { block, transactions, output_index_for_first_ringct_output } = block; - if block.transactions.len() != transactions.len() { - Err(ScanError::InvalidScannableBlock( - "scanning a ScannableBlock with more/less transactions than it should have", - ))?; - } - let Some(mut output_index_for_first_ringct_output) = output_index_for_first_ringct_output - else { - return Ok(Timelocked(vec![])); - }; - - if block.header.hardfork_version > 16 { - Err(ScanError::UnsupportedProtocol(block.header.hardfork_version))?; - } - - // We obtain all TXs in full - let mut txs_with_hashes = vec![( - block.miner_transaction.hash(), - Transaction::::from(block.miner_transaction.clone()), - )]; - for (hash, tx) in block.transactions.iter().zip(transactions) { - txs_with_hashes.push((*hash, tx)); - } - - let mut res = Timelocked(vec![]); - for (hash, tx) in txs_with_hashes { - // Push all outputs into our result - { - let mut this_txs_outputs = vec![]; - core::mem::swap( - &mut self.scan_transaction(output_index_for_first_ringct_output, hash, &tx)?.0, - &mut this_txs_outputs, - ); - res.0.extend(this_txs_outputs); - } - - // Update the RingCT starting index for the next TX - if matches!(tx, Transaction::V2 { .. }) { - output_index_for_first_ringct_output += u64::try_from(tx.prefix().outputs.len()) - .expect("couldn't convert amount of outputs (usize) to u64") - } - } - - // If the block's version is >= 12, drop all unencrypted payment IDs - // https://github.com/monero-project/monero/blob/ac02af92867590ca80b2779a7bbeafa99ff94dcb/ - // src/wallet/wallet2.cpp#L2739-L2744 - if block.header.hardfork_version >= 12 { - for output in &mut res.0 { - if matches!(output.metadata.payment_id, Some(PaymentId::Unencrypted(_))) { - output.metadata.payment_id = None; - } - } - } - - Ok(res) - } -} - -/// A transaction scanner to find outputs received. -/// -/// When an output is successfully scanned, the output key MUST be checked against the local -/// database for lack of prior observation. If it was prior observed, that output is an instance -/// of the -/// [burning bug](https://web.getmonero.org/2018/09/25/a-post-mortum-of-the-burning-bug.html) and -/// MAY be unspendable. Only the prior received output(s) or the newly received output will be -/// spendable (as spending one will burn all of them). -/// -/// Once checked, the output key MUST be saved to the local database so future checks can be -/// performed. -#[derive(Clone, Zeroize, ZeroizeOnDrop)] -pub struct Scanner(InternalScanner); - -impl Scanner { - /// Create a Scanner from a ViewPair. - pub fn new(pair: ViewPair) -> Self { - Self(InternalScanner::new(pair, false)) - } - - /// Register a subaddress to scan for. - /// - /// Subaddresses must be explicitly registered ahead of time in order to be successfully scanned. - pub fn register_subaddress(&mut self, subaddress: SubaddressIndex) { - self.0.register_subaddress(subaddress) - } - - /// Scan a block. - pub fn scan(&mut self, block: ScannableBlock) -> Result { - self.0.scan(block) - } -} - -/// A transaction scanner to find outputs received which are guaranteed to be spendable. -/// -/// 'Guaranteed' outputs, or transactions outputs to the burning bug, are not officially specified -/// by the Monero project. They should only be used if necessary. No support outside of -/// monero-wallet is promised. -/// -/// "guaranteed to be spendable" assumes satisfaction of any timelocks in effect. -#[derive(Clone, Zeroize, ZeroizeOnDrop)] -pub struct GuaranteedScanner(InternalScanner); - -impl GuaranteedScanner { - /// Create a GuaranteedScanner from a GuaranteedViewPair. - pub fn new(pair: GuaranteedViewPair) -> Self { - Self(InternalScanner::new(pair.0, true)) - } - - /// Register a subaddress to scan for. - /// - /// Subaddresses must be explicitly registered ahead of time in order to be successfully scanned. - pub fn register_subaddress(&mut self, subaddress: SubaddressIndex) { - self.0.register_subaddress(subaddress) - } - - /// Scan a block. - pub fn scan(&mut self, block: ScannableBlock) -> Result { - self.0.scan(block) - } -} diff --git a/networks/monero/wallet/src/send/eventuality.rs b/networks/monero/wallet/src/send/eventuality.rs deleted file mode 100644 index cd2543a4..00000000 --- a/networks/monero/wallet/src/send/eventuality.rs +++ /dev/null @@ -1,137 +0,0 @@ -use std_shims::{vec::Vec, io}; - -use zeroize::Zeroize; - -use crate::{ - ringct::PrunedRctProofs, - transaction::{Input, Timelock, Pruned, Transaction}, - send::SignableTransaction, -}; - -/// The eventual output of a SignableTransaction. -/// -/// If a SignableTransaction is signed and published on-chain, it will create a Transaction -/// identifiable to whoever else has the same SignableTransaction (with the same outgoing view -/// key). This structure enables checking if a Transaction is in fact such an output, as it can. -/// -/// Since Monero is a privacy coin without outgoing view keys, this only performs a fuzzy match. -/// The fuzzy match executes over the outputs and associated data necessary to work with the -/// outputs (the transaction randomness, ciphertexts). This transaction does not check if the -/// inputs intended to be spent where actually the inputs spent (as infeasible). -/// -/// The transaction randomness does bind to the inputs intended to be spent, so an on-chain -/// transaction will not match for multiple `Eventuality`s unless the `SignableTransaction`s they -/// were built from were in conflict (and their intended transactions cannot simultaneously exist -/// on-chain). -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub struct Eventuality(SignableTransaction); - -impl From for Eventuality { - fn from(tx: SignableTransaction) -> Eventuality { - Eventuality(tx) - } -} - -impl Eventuality { - /// Return the `extra` field any transaction following this intent would use. - /// - /// This enables building a HashMap of Extra -> Eventuality for efficiently fetching the - /// `Eventuality` an on-chain transaction may complete. - /// - /// This extra is cryptographically bound to the inputs intended to be spent. If the - /// `SignableTransaction`s the `Eventuality`s are built from are not in conflict (their intended - /// transactions can simultaneously exist on-chain), then each extra will only have a single - /// Eventuality associated (barring a cryptographic problem considered hard failing). - pub fn extra(&self) -> Vec { - self.0.extra() - } - - /// Return if this TX matches the SignableTransaction this was created from. - /// - /// Matching the SignableTransaction means this transaction created the expected outputs, they're - /// scannable, they're not locked, and this transaction claims to use the intended inputs (though - /// this is not guaranteed). This 'claim' is evaluated by this transaction using the transaction - /// keys derived from the intended inputs. This ensures two SignableTransactions with the same - /// intended payments don't match for each other's `Eventuality`s (as they'll have distinct - /// inputs intended). - #[must_use] - pub fn matches(&self, tx: &Transaction) -> bool { - // Verify extra - if self.0.extra() != tx.prefix().extra { - return false; - } - - // Also ensure no timelock was set - if tx.prefix().additional_timelock != Timelock::None { - return false; - } - - // Check the amount of inputs aligns - if tx.prefix().inputs.len() != self.0.inputs.len() { - return false; - } - // Collect the key images used by this transaction - let Ok(key_images) = tx - .prefix() - .inputs - .iter() - .map(|input| match input { - Input::Gen(_) => Err(()), - Input::ToKey { key_image, .. } => Ok(*key_image), - }) - .collect::, _>>() - else { - return false; - }; - - // Check the outputs - if self.0.outputs(&key_images) != tx.prefix().outputs { - return false; - } - - // Check the encrypted amounts and commitments - let commitments_and_encrypted_amounts = self.0.commitments_and_encrypted_amounts(&key_images); - let Transaction::V2 { proofs: Some(PrunedRctProofs { ref base, .. }), .. } = tx else { - return false; - }; - if base.commitments != - commitments_and_encrypted_amounts - .iter() - .map(|(commitment, _)| commitment.calculate()) - .collect::>() - { - return false; - } - if base.encrypted_amounts != - commitments_and_encrypted_amounts.into_iter().map(|(_, amount)| amount).collect::>() - { - return false; - } - - true - } - - /// Write the Eventuality. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn write(&self, w: &mut W) -> io::Result<()> { - self.0.write(w) - } - - /// Serialize the Eventuality to a `Vec`. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn serialize(&self) -> Vec { - self.0.serialize() - } - - /// Read a Eventuality. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn read(r: &mut R) -> io::Result { - Ok(Eventuality(SignableTransaction::read(r)?)) - } -} diff --git a/networks/monero/wallet/src/send/mod.rs b/networks/monero/wallet/src/send/mod.rs deleted file mode 100644 index e0c59e20..00000000 --- a/networks/monero/wallet/src/send/mod.rs +++ /dev/null @@ -1,610 +0,0 @@ -use core::{ops::Deref, fmt}; -use std_shims::{ - io, vec, - vec::Vec, - string::{String, ToString}, -}; - -use zeroize::{Zeroize, Zeroizing}; - -use rand_core::{RngCore, CryptoRng}; -use rand::seq::SliceRandom; - -use curve25519_dalek::{constants::ED25519_BASEPOINT_TABLE, Scalar, EdwardsPoint}; -#[cfg(feature = "multisig")] -use frost::FrostError; - -use crate::{ - io::*, - generators::{MAX_COMMITMENTS, hash_to_point}, - ringct::{ - clsag::{ClsagError, ClsagContext, Clsag}, - RctType, RctPrunable, RctProofs, - }, - transaction::Transaction, - address::{Network, SubaddressIndex, MoneroAddress}, - extra::MAX_ARBITRARY_DATA_SIZE, - rpc::FeeRate, - ViewPair, GuaranteedViewPair, OutputWithDecoys, -}; - -mod tx_keys; -pub use tx_keys::TransactionKeys; -mod tx; -mod eventuality; -pub use eventuality::Eventuality; - -#[cfg(feature = "multisig")] -mod multisig; -#[cfg(feature = "multisig")] -pub use multisig::{TransactionMachine, TransactionSignMachine, TransactionSignatureMachine}; - -pub(crate) fn key_image_sort(x: &EdwardsPoint, y: &EdwardsPoint) -> core::cmp::Ordering { - x.compress().to_bytes().cmp(&y.compress().to_bytes()).reverse() -} - -#[derive(Clone, PartialEq, Eq, Zeroize)] -enum ChangeEnum { - AddressOnly(MoneroAddress), - Standard { view_pair: ViewPair, subaddress: Option }, - Guaranteed { view_pair: GuaranteedViewPair, subaddress: Option }, -} - -impl fmt::Debug for ChangeEnum { - fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result { - match self { - ChangeEnum::AddressOnly(addr) => { - f.debug_struct("ChangeEnum::AddressOnly").field("addr", &addr).finish() - } - ChangeEnum::Standard { subaddress, .. } => f - .debug_struct("ChangeEnum::Standard") - .field("subaddress", &subaddress) - .finish_non_exhaustive(), - ChangeEnum::Guaranteed { subaddress, .. } => f - .debug_struct("ChangeEnum::Guaranteed") - .field("subaddress", &subaddress) - .finish_non_exhaustive(), - } - } -} - -/// Specification for a change output. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub struct Change(Option); - -impl Change { - /// Create a change output specification. - /// - /// This take the view key as Monero assumes it has the view key for change outputs. It optimizes - /// its wallet protocol accordingly. - pub fn new(view_pair: ViewPair, subaddress: Option) -> Change { - Change(Some(ChangeEnum::Standard { view_pair, subaddress })) - } - - /// Create a change output specification for a guaranteed view pair. - /// - /// This take the view key as Monero assumes it has the view key for change outputs. It optimizes - /// its wallet protocol accordingly. - pub fn guaranteed(view_pair: GuaranteedViewPair, subaddress: Option) -> Change { - Change(Some(ChangeEnum::Guaranteed { view_pair, subaddress })) - } - - /// Create a fingerprintable change output specification. - /// - /// You MUST assume this will harm your privacy. Only use this if you know what you're doing. - /// - /// If the change address is Some, this will be unable to optimize the transaction as the - /// Monero wallet protocol expects it can (due to presumably having the view key for the change - /// output). If a transaction should be optimized, and isn'tm it will be fingerprintable. - /// - /// If the change address is None, there are two fingerprints: - /// - /// 1) The change in the TX is shunted to the fee (making it fingerprintable). - /// - /// 2) In two-output transactions, where the payment address doesn't have a payment ID, wallet2 - /// includes an encrypted dummy payment ID for the non-change output in order to not allow - /// differentiating if transactions send to addresses with payment IDs or not. monero-wallet - /// includes a dummy payment ID which at least one recipient will identify as not the expected - /// dummy payment ID, revealing to the recipient(s) the sender is using non-wallet2 software. - pub fn fingerprintable(address: Option) -> Change { - if let Some(address) = address { - Change(Some(ChangeEnum::AddressOnly(address))) - } else { - Change(None) - } - } -} - -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -enum InternalPayment { - Payment(MoneroAddress, u64), - Change(ChangeEnum), -} - -impl InternalPayment { - fn address(&self) -> MoneroAddress { - match self { - InternalPayment::Payment(addr, _) => *addr, - InternalPayment::Change(change) => match change { - ChangeEnum::AddressOnly(addr) => *addr, - // Network::Mainnet as the network won't effect the derivations - ChangeEnum::Standard { view_pair, subaddress } => match subaddress { - Some(subaddress) => view_pair.subaddress(Network::Mainnet, *subaddress), - None => view_pair.legacy_address(Network::Mainnet), - }, - ChangeEnum::Guaranteed { view_pair, subaddress } => { - view_pair.address(Network::Mainnet, *subaddress, None) - } - }, - } - } -} - -/// An error while sending Monero. -#[derive(Clone, PartialEq, Eq, Debug)] -#[cfg_attr(feature = "std", derive(thiserror::Error))] -pub enum SendError { - /// The RingCT type to produce proofs for this transaction with weren't supported. - #[cfg_attr(feature = "std", error("this library doesn't yet support that RctType"))] - UnsupportedRctType, - /// The transaction had no inputs specified. - #[cfg_attr(feature = "std", error("no inputs"))] - NoInputs, - /// The decoy quantity was invalid for the specified RingCT type. - #[cfg_attr(feature = "std", error("invalid number of decoys"))] - InvalidDecoyQuantity, - /// The transaction had no outputs specified. - #[cfg_attr(feature = "std", error("no outputs"))] - NoOutputs, - /// The transaction had too many outputs specified. - #[cfg_attr(feature = "std", error("too many outputs"))] - TooManyOutputs, - /// The transaction did not have a change output, and did not have two outputs. - /// - /// Monero requires all transactions have at least two outputs, assuming one payment and one - /// change (or at least one dummy and one change). Accordingly, specifying no change and only - /// one payment prevents creating a valid transaction - #[cfg_attr(feature = "std", error("only one output and no change address"))] - NoChange, - /// Multiple addresses had payment IDs specified. - /// - /// Only one payment ID is allowed per transaction. - #[cfg_attr(feature = "std", error("multiple addresses with payment IDs"))] - MultiplePaymentIds, - /// Too much arbitrary data was specified. - #[cfg_attr(feature = "std", error("too much data"))] - TooMuchArbitraryData, - /// The created transaction was too large. - #[cfg_attr(feature = "std", error("too large of a transaction"))] - TooLargeTransaction, - /// The transactions' amounts could not be represented within a `u64`. - #[cfg_attr( - feature = "std", - error("transaction amounts exceed u64::MAX (in {in_amount}, out {out_amount})") - )] - AmountsUnrepresentable { - /// The amount in (via inputs). - in_amount: u128, - /// The amount which would be out (between outputs and the fee). - out_amount: u128, - }, - /// This transaction could not pay for itself. - #[cfg_attr( - feature = "std", - error( - "not enough funds (inputs {inputs}, outputs {outputs}, necessary_fee {necessary_fee:?})" - ) - )] - NotEnoughFunds { - /// The amount of funds the inputs contributed. - inputs: u64, - /// The amount of funds the outputs required. - outputs: u64, - /// The fee necessary to be paid on top. - /// - /// If this is None, it is because the fee was not calculated as the outputs alone caused this - /// error. - necessary_fee: Option, - }, - /// This transaction is being signed with the wrong private key. - #[cfg_attr(feature = "std", error("wrong spend private key"))] - WrongPrivateKey, - /// This transaction was read from a bytestream which was malicious. - #[cfg_attr( - feature = "std", - error("this SignableTransaction was created by deserializing a malicious serialization") - )] - MaliciousSerialization, - /// There was an error when working with the CLSAGs. - #[cfg_attr(feature = "std", error("clsag error ({0})"))] - ClsagError(ClsagError), - /// There was an error when working with FROST. - #[cfg(feature = "multisig")] - #[cfg_attr(feature = "std", error("frost error {0}"))] - FrostError(FrostError), -} - -/// A signable transaction. -#[derive(Clone, PartialEq, Eq, Debug, Zeroize)] -pub struct SignableTransaction { - rct_type: RctType, - outgoing_view_key: Zeroizing<[u8; 32]>, - inputs: Vec, - payments: Vec, - data: Vec>, - fee_rate: FeeRate, -} - -struct SignableTransactionWithKeyImages { - intent: SignableTransaction, - key_images: Vec, -} - -impl SignableTransaction { - fn validate(&self) -> Result<(), SendError> { - match self.rct_type { - RctType::ClsagBulletproof | RctType::ClsagBulletproofPlus => {} - _ => Err(SendError::UnsupportedRctType)?, - } - - if self.inputs.is_empty() { - Err(SendError::NoInputs)?; - } - for input in &self.inputs { - if input.decoys().len() != - match self.rct_type { - RctType::ClsagBulletproof => 11, - RctType::ClsagBulletproofPlus => 16, - _ => panic!("unsupported RctType"), - } - { - Err(SendError::InvalidDecoyQuantity)?; - } - } - - // Check we have at least one non-change output - if !self.payments.iter().any(|payment| matches!(payment, InternalPayment::Payment(_, _))) { - Err(SendError::NoOutputs)?; - } - // If we don't have at least two outputs, as required by Monero, error - if self.payments.len() < 2 { - Err(SendError::NoChange)?; - } - // Check we don't have multiple Change outputs due to decoding a malicious serialization - { - let mut change_count = 0; - for payment in &self.payments { - change_count += usize::from(u8::from(matches!(payment, InternalPayment::Change(_)))); - } - if change_count > 1 { - Err(SendError::MaliciousSerialization)?; - } - } - - // Make sure there's at most one payment ID - { - let mut payment_ids = 0; - for payment in &self.payments { - payment_ids += usize::from(u8::from(payment.address().payment_id().is_some())); - } - if payment_ids > 1 { - Err(SendError::MultiplePaymentIds)?; - } - } - - if self.payments.len() > MAX_COMMITMENTS { - Err(SendError::TooManyOutputs)?; - } - - // Check the length of each arbitrary data - for part in &self.data { - if part.len() > MAX_ARBITRARY_DATA_SIZE { - Err(SendError::TooMuchArbitraryData)?; - } - } - - // Check the length of TX extra - // https://github.com/monero-project/monero/pull/8733 - const MAX_EXTRA_SIZE: usize = 1060; - if self.extra().len() > MAX_EXTRA_SIZE { - Err(SendError::TooMuchArbitraryData)?; - } - - // Make sure we have enough funds - let weight; - { - let in_amount: u128 = - self.inputs.iter().map(|input| u128::from(input.commitment().amount)).sum(); - let payments_amount: u128 = self - .payments - .iter() - .filter_map(|payment| match payment { - InternalPayment::Payment(_, amount) => Some(u128::from(*amount)), - InternalPayment::Change(_) => None, - }) - .sum(); - let necessary_fee; - (weight, necessary_fee) = self.weight_and_necessary_fee(); - let out_amount = payments_amount + u128::from(necessary_fee); - let in_out_amount = u64::try_from(in_amount) - .and_then(|in_amount| u64::try_from(out_amount).map(|out_amount| (in_amount, out_amount))); - let Ok((in_amount, out_amount)) = in_out_amount else { - Err(SendError::AmountsUnrepresentable { in_amount, out_amount })? - }; - if in_amount < out_amount { - Err(SendError::NotEnoughFunds { - inputs: in_amount, - outputs: u64::try_from(payments_amount) - .expect("total out fit within u64 but not part of total out"), - necessary_fee: Some(necessary_fee), - })?; - } - } - - // The limit is half the no-penalty block size - // https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 - // /src/wallet/wallet2.cpp#L11076-L11085 - // https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 - // /src/cryptonote_config.h#L61 - // https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 - // /src/cryptonote_config.h#L64 - const MAX_TX_SIZE: usize = (300_000 / 2) - 600; - if weight >= MAX_TX_SIZE { - Err(SendError::TooLargeTransaction)?; - } - - Ok(()) - } - - /// Create a new SignableTransaction. - /// - /// `outgoing_view_key` is used to seed the RNGs for this transaction. Anyone with knowledge of - /// the outgoing view key will be able to identify a transaction produced with this methodology, - /// and the data within it. Accordingly, it must be treated as a private key. - /// - /// `data` represents arbitrary data which will be embedded into the transaction's `extra` field. - /// The embedding occurs using an `ExtraField::Nonce` with a custom marker byte (as to not - /// conflict with a payment ID). - pub fn new( - rct_type: RctType, - outgoing_view_key: Zeroizing<[u8; 32]>, - inputs: Vec, - payments: Vec<(MoneroAddress, u64)>, - change: Change, - data: Vec>, - fee_rate: FeeRate, - ) -> Result { - // Re-format the payments and change into a consolidated payments list - let mut payments = payments - .into_iter() - .map(|(addr, amount)| InternalPayment::Payment(addr, amount)) - .collect::>(); - - if let Some(change) = change.0 { - payments.push(InternalPayment::Change(change)); - } - - let mut res = - SignableTransaction { rct_type, outgoing_view_key, inputs, payments, data, fee_rate }; - res.validate()?; - - // Shuffle the payments - { - let mut rng = res.seeded_rng(b"shuffle_payments"); - res.payments.shuffle(&mut rng); - } - - Ok(res) - } - - /// The fee rate this transaction uses. - pub fn fee_rate(&self) -> FeeRate { - self.fee_rate - } - - /// The fee this transaction requires. - /// - /// This is distinct from the fee this transaction will use. If no change output is specified, - /// all unspent coins will be shunted to the fee. - pub fn necessary_fee(&self) -> u64 { - self.weight_and_necessary_fee().1 - } - - /// Write a SignableTransaction. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn write(&self, w: &mut W) -> io::Result<()> { - fn write_payment(payment: &InternalPayment, w: &mut W) -> io::Result<()> { - match payment { - InternalPayment::Payment(addr, amount) => { - w.write_all(&[0])?; - write_vec(write_byte, addr.to_string().as_bytes(), w)?; - w.write_all(&amount.to_le_bytes()) - } - InternalPayment::Change(change) => match change { - ChangeEnum::AddressOnly(addr) => { - w.write_all(&[1])?; - write_vec(write_byte, addr.to_string().as_bytes(), w) - } - ChangeEnum::Standard { view_pair, subaddress } => { - w.write_all(&[2])?; - write_point(&view_pair.spend(), w)?; - write_scalar(&view_pair.view, w)?; - if let Some(subaddress) = subaddress { - w.write_all(&subaddress.account().to_le_bytes())?; - w.write_all(&subaddress.address().to_le_bytes()) - } else { - w.write_all(&0u32.to_le_bytes())?; - w.write_all(&0u32.to_le_bytes()) - } - } - ChangeEnum::Guaranteed { view_pair, subaddress } => { - w.write_all(&[3])?; - write_point(&view_pair.spend(), w)?; - write_scalar(&view_pair.0.view, w)?; - if let Some(subaddress) = subaddress { - w.write_all(&subaddress.account().to_le_bytes())?; - w.write_all(&subaddress.address().to_le_bytes()) - } else { - w.write_all(&0u32.to_le_bytes())?; - w.write_all(&0u32.to_le_bytes()) - } - } - }, - } - } - - write_byte(&u8::from(self.rct_type), w)?; - w.write_all(self.outgoing_view_key.as_slice())?; - write_vec(OutputWithDecoys::write, &self.inputs, w)?; - write_vec(write_payment, &self.payments, w)?; - write_vec(|data, w| write_vec(write_byte, data, w), &self.data, w)?; - self.fee_rate.write(w) - } - - /// Serialize the SignableTransaction to a `Vec`. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn serialize(&self) -> Vec { - let mut buf = Vec::with_capacity(256); - self.write(&mut buf).expect("write failed but doesn't fail"); - buf - } - - /// Read a `SignableTransaction`. - /// - /// This is not a Monero protocol defined struct, and this is accordingly not a Monero protocol - /// defined serialization. - pub fn read(r: &mut R) -> io::Result { - fn read_address(r: &mut R) -> io::Result { - String::from_utf8(read_vec(read_byte, None, r)?) - .ok() - .and_then(|str| MoneroAddress::from_str_with_unchecked_network(&str).ok()) - .ok_or_else(|| io::Error::other("invalid address")) - } - - fn read_payment(r: &mut R) -> io::Result { - Ok(match read_byte(r)? { - 0 => InternalPayment::Payment(read_address(r)?, read_u64(r)?), - 1 => InternalPayment::Change(ChangeEnum::AddressOnly(read_address(r)?)), - 2 => InternalPayment::Change(ChangeEnum::Standard { - view_pair: ViewPair::new(read_point(r)?, Zeroizing::new(read_scalar(r)?)) - .map_err(io::Error::other)?, - subaddress: SubaddressIndex::new(read_u32(r)?, read_u32(r)?), - }), - 3 => InternalPayment::Change(ChangeEnum::Guaranteed { - view_pair: GuaranteedViewPair::new(read_point(r)?, Zeroizing::new(read_scalar(r)?)) - .map_err(io::Error::other)?, - subaddress: SubaddressIndex::new(read_u32(r)?, read_u32(r)?), - }), - _ => Err(io::Error::other("invalid payment"))?, - }) - } - - let res = SignableTransaction { - rct_type: RctType::try_from(read_byte(r)?) - .map_err(|()| io::Error::other("unsupported/invalid RctType"))?, - outgoing_view_key: Zeroizing::new(read_bytes(r)?), - inputs: read_vec(OutputWithDecoys::read, None, r)?, - payments: read_vec(read_payment, None, r)?, - data: read_vec(|r| read_vec(read_byte, None, r), None, r)?, - fee_rate: FeeRate::read(r)?, - }; - match res.validate() { - Ok(()) => {} - Err(e) => Err(io::Error::other(e))?, - } - Ok(res) - } - - fn with_key_images(mut self, key_images: Vec) -> SignableTransactionWithKeyImages { - debug_assert_eq!(self.inputs.len(), key_images.len()); - - // Sort the inputs by their key images - let mut sorted_inputs = self.inputs.into_iter().zip(key_images).collect::>(); - sorted_inputs - .sort_by(|(_, key_image_a), (_, key_image_b)| key_image_sort(key_image_a, key_image_b)); - - self.inputs = Vec::with_capacity(sorted_inputs.len()); - let mut key_images = Vec::with_capacity(sorted_inputs.len()); - for (input, key_image) in sorted_inputs { - self.inputs.push(input); - key_images.push(key_image); - } - - SignableTransactionWithKeyImages { intent: self, key_images } - } - - /// Sign this transaction. - pub fn sign( - self, - rng: &mut (impl RngCore + CryptoRng), - sender_spend_key: &Zeroizing, - ) -> Result { - // Calculate the key images - let mut key_images = vec![]; - for input in &self.inputs { - let input_key = Zeroizing::new(sender_spend_key.deref() + input.key_offset()); - if (input_key.deref() * ED25519_BASEPOINT_TABLE) != input.key() { - Err(SendError::WrongPrivateKey)?; - } - let key_image = input_key.deref() * hash_to_point(input.key().compress().to_bytes()); - key_images.push(key_image); - } - - // Convert to a SignableTransactionWithKeyImages - let tx = self.with_key_images(key_images); - - // Prepare the CLSAG signatures - let mut clsag_signs = Vec::with_capacity(tx.intent.inputs.len()); - for input in &tx.intent.inputs { - // Re-derive the input key as this will be in a different order - let input_key = Zeroizing::new(sender_spend_key.deref() + input.key_offset()); - clsag_signs.push(( - input_key, - ClsagContext::new(input.decoys().clone(), input.commitment().clone()) - .map_err(SendError::ClsagError)?, - )); - } - - // Get the output commitments' mask sum - let mask_sum = tx.intent.sum_output_masks(&tx.key_images); - - // Get the actual TX, just needing the CLSAGs - let mut tx = tx.transaction_without_signatures(); - - // Sign the CLSAGs - let clsags_and_pseudo_outs = Clsag::sign( - rng, - clsag_signs, - mask_sum, - tx.signature_hash().expect("signing a transaction which isn't signed?"), - ) - .map_err(SendError::ClsagError)?; - - // Fill in the CLSAGs/pseudo-outs - let inputs_len = tx.prefix().inputs.len(); - let Transaction::V2 { - proofs: - Some(RctProofs { - prunable: RctPrunable::Clsag { ref mut clsags, ref mut pseudo_outs, .. }, - .. - }), - .. - } = tx - else { - panic!("not signing clsag?") - }; - *clsags = Vec::with_capacity(inputs_len); - *pseudo_outs = Vec::with_capacity(inputs_len); - for (clsag, pseudo_out) in clsags_and_pseudo_outs { - clsags.push(clsag); - pseudo_outs.push(pseudo_out); - } - - // Return the signed TX - Ok(tx) - } -} diff --git a/networks/monero/wallet/src/send/multisig.rs b/networks/monero/wallet/src/send/multisig.rs deleted file mode 100644 index f78f0fcd..00000000 --- a/networks/monero/wallet/src/send/multisig.rs +++ /dev/null @@ -1,304 +0,0 @@ -use std_shims::{ - vec::Vec, - io::{self, Read}, - collections::HashMap, -}; - -use rand_core::{RngCore, CryptoRng}; - -use group::ff::Field; -use curve25519_dalek::{traits::Identity, Scalar, EdwardsPoint}; -use dalek_ff_group as dfg; - -use transcript::{Transcript, RecommendedTranscript}; -use frost::{ - curve::Ed25519, - Participant, FrostError, ThresholdKeys, - dkg::lagrange, - sign::{ - Preprocess, CachedPreprocess, SignatureShare, PreprocessMachine, SignMachine, SignatureMachine, - AlgorithmMachine, AlgorithmSignMachine, AlgorithmSignatureMachine, - }, -}; - -use monero_serai::{ - ringct::{ - clsag::{ClsagContext, ClsagMultisigMaskSender, ClsagAddendum, ClsagMultisig}, - RctPrunable, RctProofs, - }, - transaction::Transaction, -}; -use crate::send::{SendError, SignableTransaction, key_image_sort}; - -/// Initial FROST machine to produce a signed transaction. -pub struct TransactionMachine { - signable: SignableTransaction, - - i: Participant, - - // The key image generator, and the scalar offset from the spend key - key_image_generators_and_offsets: Vec<(EdwardsPoint, Scalar)>, - clsags: Vec<(ClsagMultisigMaskSender, AlgorithmMachine)>, -} - -/// Second FROST machine to produce a signed transaction. -pub struct TransactionSignMachine { - signable: SignableTransaction, - - i: Participant, - - key_image_generators_and_offsets: Vec<(EdwardsPoint, Scalar)>, - clsags: Vec<(ClsagMultisigMaskSender, AlgorithmSignMachine)>, - - our_preprocess: Vec>, -} - -/// Final FROST machine to produce a signed transaction. -pub struct TransactionSignatureMachine { - tx: Transaction, - clsags: Vec>, -} - -impl SignableTransaction { - /// Create a FROST signing machine out of this signable transaction. - pub fn multisig(self, keys: &ThresholdKeys) -> Result { - let mut clsags = vec![]; - - let mut key_image_generators_and_offsets = vec![]; - for input in &self.inputs { - // Check this is the right set of keys - let offset = keys.offset(dfg::Scalar(input.key_offset())); - if offset.group_key().0 != input.key() { - Err(SendError::WrongPrivateKey)?; - } - - let context = ClsagContext::new(input.decoys().clone(), input.commitment().clone()) - .map_err(SendError::ClsagError)?; - let (clsag, clsag_mask_send) = ClsagMultisig::new( - RecommendedTranscript::new(b"Monero Multisignature Transaction"), - context, - ); - key_image_generators_and_offsets.push(( - clsag.key_image_generator(), - keys.current_offset().unwrap_or(dfg::Scalar::ZERO).0 + input.key_offset(), - )); - clsags.push((clsag_mask_send, AlgorithmMachine::new(clsag, offset))); - } - - Ok(TransactionMachine { - signable: self, - i: keys.params().i(), - key_image_generators_and_offsets, - clsags, - }) - } -} - -impl PreprocessMachine for TransactionMachine { - type Preprocess = Vec>; - type Signature = Transaction; - type SignMachine = TransactionSignMachine; - - fn preprocess( - mut self, - rng: &mut R, - ) -> (TransactionSignMachine, Self::Preprocess) { - // Iterate over each CLSAG calling preprocess - let mut preprocesses = Vec::with_capacity(self.clsags.len()); - let clsags = self - .clsags - .drain(..) - .map(|(clsag_mask_send, clsag)| { - let (clsag, preprocess) = clsag.preprocess(rng); - preprocesses.push(preprocess); - (clsag_mask_send, clsag) - }) - .collect(); - let our_preprocess = preprocesses.clone(); - - ( - TransactionSignMachine { - signable: self.signable, - - i: self.i, - - key_image_generators_and_offsets: self.key_image_generators_and_offsets, - clsags, - - our_preprocess, - }, - preprocesses, - ) - } -} - -impl SignMachine for TransactionSignMachine { - type Params = (); - type Keys = ThresholdKeys; - type Preprocess = Vec>; - type SignatureShare = Vec>; - type SignatureMachine = TransactionSignatureMachine; - - fn cache(self) -> CachedPreprocess { - unimplemented!( - "Monero transactions don't support caching their preprocesses due to {}", - "being already bound to a specific transaction" - ); - } - - fn from_cache( - (): (), - _: ThresholdKeys, - _: CachedPreprocess, - ) -> (Self, Self::Preprocess) { - unimplemented!( - "Monero transactions don't support caching their preprocesses due to {}", - "being already bound to a specific transaction" - ); - } - - fn read_preprocess(&self, reader: &mut R) -> io::Result { - self.clsags.iter().map(|clsag| clsag.1.read_preprocess(reader)).collect() - } - - fn sign( - self, - mut commitments: HashMap, - msg: &[u8], - ) -> Result<(TransactionSignatureMachine, Self::SignatureShare), FrostError> { - if !msg.is_empty() { - panic!("message was passed to the TransactionMachine when it generates its own"); - } - - // We do not need to be included here, yet this set of signers has yet to be validated - // We explicitly remove ourselves to ensure we aren't included twice, if we were redundantly - // included - commitments.remove(&self.i); - - // Find out who's included - let mut included = commitments.keys().copied().collect::>(); - // This push won't duplicate due to the above removal - included.push(self.i); - // unstable sort may reorder elements of equal order - // Given our lack of duplicates, we should have no elements of equal order - included.sort_unstable(); - - // Start calculating the key images, as needed on the TX level - let mut key_images = vec![EdwardsPoint::identity(); self.clsags.len()]; - for (image, (generator, offset)) in - key_images.iter_mut().zip(&self.key_image_generators_and_offsets) - { - *image = generator * offset; - } - - // Convert the serialized nonces commitments to a parallelized Vec - let mut commitments = (0 .. self.clsags.len()) - .map(|c| { - included - .iter() - .map(|l| { - let preprocess = if *l == self.i { - self.our_preprocess[c].clone() - } else { - commitments.get_mut(l).ok_or(FrostError::MissingParticipant(*l))?[c].clone() - }; - - // While here, calculate the key image as needed to call sign - // The CLSAG algorithm will independently calculate the key image/verify these shares - key_images[c] += - preprocess.addendum.key_image_share().0 * lagrange::(*l, &included).0; - - Ok((*l, preprocess)) - }) - .collect::, _>>() - }) - .collect::, _>>()?; - - // The above inserted our own preprocess into these maps (which is unnecessary) - // Remove it now - for map in &mut commitments { - map.remove(&self.i); - } - - // The actual TX will have sorted its inputs by key image - // We apply the same sort now to our CLSAG machines - let mut clsags = Vec::with_capacity(self.clsags.len()); - for ((key_image, clsag), commitments) in key_images.iter().zip(self.clsags).zip(commitments) { - clsags.push((key_image, clsag, commitments)); - } - clsags.sort_by(|x, y| key_image_sort(x.0, y.0)); - let clsags = - clsags.into_iter().map(|(_, clsag, commitments)| (clsag, commitments)).collect::>(); - - // Specify the TX's key images - let tx = self.signable.with_key_images(key_images); - - // We now need to decide the masks for each CLSAG - let clsag_len = clsags.len(); - let output_masks = tx.intent.sum_output_masks(&tx.key_images); - let mut rng = tx.intent.seeded_rng(b"multisig_pseudo_out_masks"); - let mut sum_pseudo_outs = Scalar::ZERO; - let mut to_sign = Vec::with_capacity(clsag_len); - for (i, ((clsag_mask_send, clsag), commitments)) in clsags.into_iter().enumerate() { - let mut mask = Scalar::random(&mut rng); - if i == (clsag_len - 1) { - mask = output_masks - sum_pseudo_outs; - } else { - sum_pseudo_outs += mask; - } - clsag_mask_send.send(mask); - to_sign.push((clsag, commitments)); - } - - let tx = tx.transaction_without_signatures(); - let msg = tx.signature_hash().expect("signing a transaction which isn't signed?"); - - // Iterate over each CLSAG calling sign - let mut shares = Vec::with_capacity(to_sign.len()); - let clsags = to_sign - .drain(..) - .map(|(clsag, commitments)| { - let (clsag, share) = clsag.sign(commitments, &msg)?; - shares.push(share); - Ok(clsag) - }) - .collect::>()?; - - Ok((TransactionSignatureMachine { tx, clsags }, shares)) - } -} - -impl SignatureMachine for TransactionSignatureMachine { - type SignatureShare = Vec>; - - fn read_share(&self, reader: &mut R) -> io::Result { - self.clsags.iter().map(|clsag| clsag.read_share(reader)).collect() - } - - fn complete( - mut self, - shares: HashMap, - ) -> Result { - let mut tx = self.tx; - match tx { - Transaction::V2 { - proofs: - Some(RctProofs { - prunable: RctPrunable::Clsag { ref mut clsags, ref mut pseudo_outs, .. }, - .. - }), - .. - } => { - for (c, clsag) in self.clsags.drain(..).enumerate() { - let (clsag, pseudo_out) = clsag.complete( - shares.iter().map(|(l, shares)| (*l, shares[c].clone())).collect::>(), - )?; - clsags.push(clsag); - pseudo_outs.push(pseudo_out); - } - } - _ => unreachable!("attempted to sign a multisig TX which wasn't CLSAG"), - } - Ok(tx) - } -} diff --git a/networks/monero/wallet/src/send/tx.rs b/networks/monero/wallet/src/send/tx.rs deleted file mode 100644 index ae6490d7..00000000 --- a/networks/monero/wallet/src/send/tx.rs +++ /dev/null @@ -1,338 +0,0 @@ -use std_shims::{vec, vec::Vec}; - -use curve25519_dalek::{ - constants::{ED25519_BASEPOINT_POINT, ED25519_BASEPOINT_TABLE}, - Scalar, EdwardsPoint, -}; - -use crate::{ - io::{varint_len, write_varint}, - primitives::Commitment, - ringct::{ - clsag::Clsag, bulletproofs::Bulletproof, EncryptedAmount, RctType, RctBase, RctPrunable, - RctProofs, - }, - transaction::{Input, Output, Timelock, TransactionPrefix, Transaction}, - extra::{ARBITRARY_DATA_MARKER, PaymentId, Extra}, - send::{InternalPayment, SignableTransaction, SignableTransactionWithKeyImages}, -}; - -impl SignableTransaction { - // Output the inputs for this transaction. - pub(crate) fn inputs(&self, key_images: &[EdwardsPoint]) -> Vec { - debug_assert_eq!(self.inputs.len(), key_images.len()); - - let mut res = Vec::with_capacity(self.inputs.len()); - for (input, key_image) in self.inputs.iter().zip(key_images) { - res.push(Input::ToKey { - amount: None, - key_offsets: input.decoys().offsets().to_vec(), - key_image: *key_image, - }); - } - res - } - - // Output the outputs for this transaction. - pub(crate) fn outputs(&self, key_images: &[EdwardsPoint]) -> Vec { - let shared_key_derivations = self.shared_key_derivations(key_images); - debug_assert_eq!(self.payments.len(), shared_key_derivations.len()); - - let mut res = Vec::with_capacity(self.payments.len()); - for (payment, shared_key_derivations) in self.payments.iter().zip(&shared_key_derivations) { - let key = - (&shared_key_derivations.shared_key * ED25519_BASEPOINT_TABLE) + payment.address().spend(); - res.push(Output { - key: key.compress(), - amount: None, - view_tag: (match self.rct_type { - RctType::ClsagBulletproof => false, - RctType::ClsagBulletproofPlus => true, - _ => panic!("unsupported RctType"), - }) - .then_some(shared_key_derivations.view_tag), - }); - } - res - } - - // Calculate the TX extra for this transaction. - pub(crate) fn extra(&self) -> Vec { - let (tx_key, additional_keys) = self.transaction_keys_pub(); - debug_assert!(additional_keys.is_empty() || (additional_keys.len() == self.payments.len())); - let payment_id_xors = self.payment_id_xors(); - debug_assert_eq!(self.payments.len(), payment_id_xors.len()); - - let amount_of_keys = 1 + additional_keys.len(); - let mut extra = Extra::new(tx_key, additional_keys); - - if let Some((id, id_xor)) = - self.payments.iter().zip(&payment_id_xors).find_map(|(payment, payment_id_xor)| { - payment.address().payment_id().map(|id| (id, payment_id_xor)) - }) - { - let id = (u64::from_le_bytes(id) ^ u64::from_le_bytes(*id_xor)).to_le_bytes(); - let mut id_vec = Vec::with_capacity(1 + 8); - PaymentId::Encrypted(id) - .write(&mut id_vec) - .expect("write failed but doesn't fail"); - extra.push_nonce(id_vec); - } else { - /* - If there's no payment ID, we push a dummy (as wallet2 does) to the first payment. - - This does cause a random payment ID for the other recipient (a documented fingerprint). - Functionally, random payment IDs should be fine as wallet2 will trigger this same behavior - (a random payment ID being seen by the recipient) with a batch send if one of the recipient - addresses has a payment ID. - - The alternative would be to not include any payment ID, fingerprinting to the entire - blockchain this is non-standard wallet software (instead of just a single recipient). - */ - if self.payments.len() == 2 { - let (_, payment_id_xor) = self - .payments - .iter() - .zip(&payment_id_xors) - .find(|(payment, _)| matches!(payment, InternalPayment::Payment(_, _))) - .expect("multiple change outputs?"); - let mut id_vec = Vec::with_capacity(1 + 8); - // The dummy payment ID is [0; 8], which when xor'd with the mask, is just the mask - PaymentId::Encrypted(*payment_id_xor) - .write(&mut id_vec) - .expect("write failed but doesn't fail"); - extra.push_nonce(id_vec); - } - } - - // Include data if present - for part in &self.data { - let mut arb = vec![ARBITRARY_DATA_MARKER]; - arb.extend(part); - extra.push_nonce(arb); - } - - let mut serialized = Vec::with_capacity(32 * amount_of_keys); - extra.write(&mut serialized).expect("write failed but doesn't fail"); - serialized - } - - pub(crate) fn weight_and_necessary_fee(&self) -> (usize, u64) { - /* - This transaction is variable length to: - - The decoy offsets (fixed) - - The TX extra (variable to key images, requiring an interactive protocol) - - Thankfully, the TX extra *length* is fixed. Accordingly, we can calculate the inevitable TX's - weight at this time with a shimmed transaction. - */ - let base_weight = { - let mut key_images = Vec::with_capacity(self.inputs.len()); - let mut clsags = Vec::with_capacity(self.inputs.len()); - let mut pseudo_outs = Vec::with_capacity(self.inputs.len()); - for _ in &self.inputs { - key_images.push(ED25519_BASEPOINT_POINT); - clsags.push(Clsag { - D: ED25519_BASEPOINT_POINT, - s: vec![ - Scalar::ZERO; - match self.rct_type { - RctType::ClsagBulletproof => 11, - RctType::ClsagBulletproofPlus => 16, - _ => unreachable!("unsupported RCT type"), - } - ], - c1: Scalar::ZERO, - }); - pseudo_outs.push(ED25519_BASEPOINT_POINT); - } - let mut encrypted_amounts = Vec::with_capacity(self.payments.len()); - let mut bp_commitments = Vec::with_capacity(self.payments.len()); - let mut commitments = Vec::with_capacity(self.payments.len()); - for _ in &self.payments { - encrypted_amounts.push(EncryptedAmount::Compact { amount: [0; 8] }); - bp_commitments.push(Commitment::zero()); - commitments.push(ED25519_BASEPOINT_POINT); - } - - let padded_log2 = { - let mut log2_find = 0; - while (1 << log2_find) < self.payments.len() { - log2_find += 1; - } - log2_find - }; - // This is log2 the padded amount of IPA rows - // We have 64 rows per commitment, so we need 64 * c IPA rows - // We rewrite this as 2**6 * c - // By finding the padded log2 of c, we get 2**6 * 2**p - // This declares the log2 to be 6 + p - let lr_len = 6 + padded_log2; - - let bulletproof = match self.rct_type { - RctType::ClsagBulletproof => { - let mut bp = Vec::with_capacity(((9 + (2 * lr_len)) * 32) + 2); - let push_point = |bp: &mut Vec| { - bp.push(1); - bp.extend([0; 31]); - }; - let push_scalar = |bp: &mut Vec| bp.extend([0; 32]); - for _ in 0 .. 4 { - push_point(&mut bp); - } - for _ in 0 .. 2 { - push_scalar(&mut bp); - } - for _ in 0 .. 2 { - write_varint(&lr_len, &mut bp) - .expect("write failed but doesn't fail"); - for _ in 0 .. lr_len { - push_point(&mut bp); - } - } - for _ in 0 .. 3 { - push_scalar(&mut bp); - } - Bulletproof::read(&mut bp.as_slice()).expect("made an invalid dummy BP") - } - RctType::ClsagBulletproofPlus => { - let mut bp = Vec::with_capacity(((6 + (2 * lr_len)) * 32) + 2); - let push_point = |bp: &mut Vec| { - bp.push(1); - bp.extend([0; 31]); - }; - let push_scalar = |bp: &mut Vec| bp.extend([0; 32]); - for _ in 0 .. 3 { - push_point(&mut bp); - } - for _ in 0 .. 3 { - push_scalar(&mut bp); - } - for _ in 0 .. 2 { - write_varint(&lr_len, &mut bp) - .expect("write failed but doesn't fail"); - for _ in 0 .. lr_len { - push_point(&mut bp); - } - } - Bulletproof::read_plus(&mut bp.as_slice()).expect("made an invalid dummy BP+") - } - _ => panic!("unsupported RctType"), - }; - - // `- 1` to remove the one byte for the 0 fee - Transaction::V2 { - prefix: TransactionPrefix { - additional_timelock: Timelock::None, - inputs: self.inputs(&key_images), - outputs: self.outputs(&key_images), - extra: self.extra(), - }, - proofs: Some(RctProofs { - base: RctBase { fee: 0, encrypted_amounts, pseudo_outs: vec![], commitments }, - prunable: RctPrunable::Clsag { bulletproof, clsags, pseudo_outs }, - }), - } - .weight() - - 1 - }; - - // We now have the base weight, without the fee encoded - // The fee itself will impact the weight as its encoding is [1, 9] bytes long - let mut possible_weights = Vec::with_capacity(9); - for i in 1 ..= 9 { - possible_weights.push(base_weight + i); - } - debug_assert_eq!(possible_weights.len(), 9); - - // We now calculate the fee which would be used for each weight - let mut possible_fees = Vec::with_capacity(9); - for weight in possible_weights { - possible_fees.push(self.fee_rate.calculate_fee_from_weight(weight)); - } - - // We now look for the fee whose length matches the length used to derive it - let mut weight_and_fee = None; - for (fee_len, possible_fee) in possible_fees.into_iter().enumerate() { - let fee_len = 1 + fee_len; - debug_assert!(1 <= fee_len); - debug_assert!(fee_len <= 9); - - // We use the first fee whose encoded length is not larger than the length used within this - // weight - // This should be because the lengths are equal, yet means if somehow none are equal, this - // will still terminate successfully - if varint_len(possible_fee) <= fee_len { - weight_and_fee = Some((base_weight + fee_len, possible_fee)); - break; - } - } - weight_and_fee - .expect("length of highest possible fee was greater than highest possible fee length") - } -} - -impl SignableTransactionWithKeyImages { - pub(crate) fn transaction_without_signatures(&self) -> Transaction { - let commitments_and_encrypted_amounts = - self.intent.commitments_and_encrypted_amounts(&self.key_images); - let mut commitments = Vec::with_capacity(self.intent.payments.len()); - let mut bp_commitments = Vec::with_capacity(self.intent.payments.len()); - let mut encrypted_amounts = Vec::with_capacity(self.intent.payments.len()); - for (commitment, encrypted_amount) in commitments_and_encrypted_amounts { - commitments.push(commitment.calculate()); - bp_commitments.push(commitment); - encrypted_amounts.push(encrypted_amount); - } - let bulletproof = { - let mut bp_rng = self.intent.seeded_rng(b"bulletproof"); - (match self.intent.rct_type { - RctType::ClsagBulletproof => Bulletproof::prove(&mut bp_rng, bp_commitments), - RctType::ClsagBulletproofPlus => Bulletproof::prove_plus(&mut bp_rng, bp_commitments), - _ => panic!("unsupported RctType"), - }) - .expect("couldn't prove BP(+)s for this many payments despite checking in constructor?") - }; - - Transaction::V2 { - prefix: TransactionPrefix { - additional_timelock: Timelock::None, - inputs: self.intent.inputs(&self.key_images), - outputs: self.intent.outputs(&self.key_images), - extra: self.intent.extra(), - }, - proofs: Some(RctProofs { - base: RctBase { - fee: if self - .intent - .payments - .iter() - .any(|payment| matches!(payment, InternalPayment::Change(_))) - { - // The necessary fee is the fee - self.intent.weight_and_necessary_fee().1 - } else { - // If we don't have a change output, the difference is the fee - let inputs = - self.intent.inputs.iter().map(|input| input.commitment().amount).sum::(); - let payments = self - .intent - .payments - .iter() - .filter_map(|payment| match payment { - InternalPayment::Payment(_, amount) => Some(amount), - InternalPayment::Change(_) => None, - }) - .sum::(); - // Safe since the constructor checks inputs >= (payments + fee) - inputs - payments - }, - encrypted_amounts, - pseudo_outs: vec![], - commitments, - }, - prunable: RctPrunable::Clsag { bulletproof, clsags: vec![], pseudo_outs: vec![] }, - }), - } - } -} diff --git a/networks/monero/wallet/src/send/tx_keys.rs b/networks/monero/wallet/src/send/tx_keys.rs deleted file mode 100644 index 8ede4ff3..00000000 --- a/networks/monero/wallet/src/send/tx_keys.rs +++ /dev/null @@ -1,281 +0,0 @@ -use core::ops::Deref; -use std_shims::{vec, vec::Vec}; - -use zeroize::{Zeroize, Zeroizing}; - -use rand_core::SeedableRng; -use rand_chacha::ChaCha20Rng; - -use curve25519_dalek::{constants::ED25519_BASEPOINT_TABLE, Scalar, EdwardsPoint}; - -use crate::{ - primitives::{keccak256, Commitment}, - ringct::EncryptedAmount, - SharedKeyDerivations, OutputWithDecoys, - send::{ChangeEnum, InternalPayment, SignableTransaction, key_image_sort}, -}; - -fn seeded_rng( - dst: &'static [u8], - outgoing_view_key: &[u8; 32], - mut input_keys: Vec, -) -> ChaCha20Rng { - // Apply the DST - let mut transcript = Zeroizing::new(vec![ - u8::try_from(dst.len()).expect("internal RNG with constant DST had a too-long DST specified") - ]); - transcript.extend(dst); - - // Bind to the outgoing view key to prevent foreign entities from rebuilding the transcript - transcript.extend(outgoing_view_key); - - // We sort the inputs here to ensure a consistent order - // We use the key image sort as it's applicable and well-defined, not because these are key - // images - input_keys.sort_by(key_image_sort); - - // Ensure uniqueness across transactions by binding to a use-once object - // The keys for the inputs is binding to their key images, making them use-once - for key in input_keys { - transcript.extend(key.compress().to_bytes()); - } - - let res = ChaCha20Rng::from_seed(keccak256(&transcript)); - transcript.zeroize(); - res -} - -/// An iterator yielding an endless amount of ephemeral keys to use within a transaction. -/// -/// This is used when sending and can be used after sending to re-derive the keys used, as -/// necessary for payment proofs. -pub struct TransactionKeys(ChaCha20Rng); -impl TransactionKeys { - /// Construct a new `TransactionKeys`. - /// - /// `input_keys` is the list of keys from the outputs spent within this transaction. - pub fn new(outgoing_view_key: &Zeroizing<[u8; 32]>, input_keys: Vec) -> Self { - Self(seeded_rng(b"transaction_keys", outgoing_view_key, input_keys)) - } -} -impl Iterator for TransactionKeys { - type Item = Zeroizing; - fn next(&mut self) -> Option { - Some(Zeroizing::new(Scalar::random(&mut self.0))) - } -} - -impl SignableTransaction { - fn input_keys(&self) -> Vec { - self.inputs.iter().map(OutputWithDecoys::key).collect() - } - - pub(crate) fn seeded_rng(&self, dst: &'static [u8]) -> ChaCha20Rng { - seeded_rng(dst, &self.outgoing_view_key, self.input_keys()) - } - - fn has_payments_to_subaddresses(&self) -> bool { - self.payments.iter().any(|payment| match payment { - InternalPayment::Payment(addr, _) => addr.is_subaddress(), - InternalPayment::Change(change) => match change { - ChangeEnum::AddressOnly(addr) => addr.is_subaddress(), - // These aren't considered payments to subaddresses as we don't need to send to them as - // subaddresses - // We can calculate the shared key using the view key, as if we were receiving, instead - ChangeEnum::Standard { .. } | ChangeEnum::Guaranteed { .. } => false, - }, - }) - } - - fn should_use_additional_keys(&self) -> bool { - let has_payments_to_subaddresses = self.has_payments_to_subaddresses(); - if !has_payments_to_subaddresses { - return false; - } - - let has_change_view = self.payments.iter().any(|payment| match payment { - InternalPayment::Payment(_, _) => false, - InternalPayment::Change(change) => match change { - ChangeEnum::AddressOnly(_) => false, - ChangeEnum::Standard { .. } | ChangeEnum::Guaranteed { .. } => true, - }, - }); - - /* - If sending to a subaddress, the shared key is not `rG` yet `rB`. Because of this, a - per-subaddress shared key is necessary, causing the usage of additional keys. - - The one exception is if we're sending to a subaddress in a 2-output transaction. The second - output, the change output, will attempt scanning the singular key `rB` with `v rB`. While we - cannot calculate `r vB` with just `r` (as that'd require `vB` when we presumably only have - `vG` when sending), since we do in fact have `v` (due to it being our own view key for our - change output), we can still calculate the shared secret. - */ - has_payments_to_subaddresses && !((self.payments.len() == 2) && has_change_view) - } - - // Calculate the transaction keys used as randomness. - fn transaction_keys(&self) -> (Zeroizing, Vec>) { - let mut tx_keys = TransactionKeys::new(&self.outgoing_view_key, self.input_keys()); - - let tx_key = tx_keys.next().expect("TransactionKeys (never-ending) was exhausted"); - - let mut additional_keys = vec![]; - if self.should_use_additional_keys() { - for _ in 0 .. self.payments.len() { - additional_keys.push(tx_keys.next().expect("TransactionKeys (never-ending) was exhausted")); - } - } - (tx_key, additional_keys) - } - - fn ecdhs(&self) -> Vec> { - let (tx_key, additional_keys) = self.transaction_keys(); - debug_assert!(additional_keys.is_empty() || (additional_keys.len() == self.payments.len())); - let (tx_key_pub, additional_keys_pub) = self.transaction_keys_pub(); - debug_assert_eq!(additional_keys_pub.len(), additional_keys.len()); - - let mut res = Vec::with_capacity(self.payments.len()); - for (i, payment) in self.payments.iter().enumerate() { - let addr = payment.address(); - let key_to_use = - if addr.is_subaddress() { additional_keys.get(i).unwrap_or(&tx_key) } else { &tx_key }; - - let ecdh = match payment { - // If we don't have the view key, use the key dedicated for this address (r A) - InternalPayment::Payment(_, _) | - InternalPayment::Change(ChangeEnum::AddressOnly { .. }) => { - Zeroizing::new(key_to_use.deref() * addr.view()) - } - // If we do have the view key, use the commitment to the key (a R) - InternalPayment::Change(ChangeEnum::Standard { view_pair, .. }) => { - Zeroizing::new(view_pair.view.deref() * tx_key_pub) - } - InternalPayment::Change(ChangeEnum::Guaranteed { view_pair, .. }) => { - Zeroizing::new(view_pair.0.view.deref() * tx_key_pub) - } - }; - - res.push(ecdh); - } - res - } - - // Calculate the shared keys and the necessary derivations. - pub(crate) fn shared_key_derivations( - &self, - key_images: &[EdwardsPoint], - ) -> Vec> { - let ecdhs = self.ecdhs(); - - let uniqueness = SharedKeyDerivations::uniqueness(&self.inputs(key_images)); - - let mut res = Vec::with_capacity(self.payments.len()); - for (i, (payment, ecdh)) in self.payments.iter().zip(ecdhs).enumerate() { - let addr = payment.address(); - res.push(SharedKeyDerivations::output_derivations( - addr.is_guaranteed().then_some(uniqueness), - ecdh, - i, - )); - } - res - } - - // Calculate the payment ID XOR masks. - pub(crate) fn payment_id_xors(&self) -> Vec<[u8; 8]> { - let mut res = Vec::with_capacity(self.payments.len()); - for ecdh in self.ecdhs() { - res.push(SharedKeyDerivations::payment_id_xor(ecdh)); - } - res - } - - // Calculate the transaction_keys' commitments. - // - // These depend on the payments. Commitments for payments to subaddresses use the spend key for - // the generator. - pub(crate) fn transaction_keys_pub(&self) -> (EdwardsPoint, Vec) { - let (tx_key, additional_keys) = self.transaction_keys(); - debug_assert!(additional_keys.is_empty() || (additional_keys.len() == self.payments.len())); - - // The single transaction key uses the subaddress's spend key as its generator - let has_payments_to_subaddresses = self.has_payments_to_subaddresses(); - let should_use_additional_keys = self.should_use_additional_keys(); - if has_payments_to_subaddresses && (!should_use_additional_keys) { - debug_assert_eq!(additional_keys.len(), 0); - - let InternalPayment::Payment(addr, _) = self - .payments - .iter() - .find(|payment| matches!(payment, InternalPayment::Payment(_, _))) - .expect("payment to subaddress yet no payment") - else { - panic!("filtered payment wasn't a payment") - }; - - return (tx_key.deref() * addr.spend(), vec![]); - } - - if should_use_additional_keys { - let mut additional_keys_pub = vec![]; - for (additional_key, payment) in additional_keys.into_iter().zip(&self.payments) { - let addr = payment.address(); - // https://github.com/monero-project/monero/blob/cc73fe71162d564ffda8e549b79a350bca53c454 - // /src/device/device_default.cpp#L308-L312 - if addr.is_subaddress() { - additional_keys_pub.push(additional_key.deref() * addr.spend()); - } else { - additional_keys_pub.push(additional_key.deref() * ED25519_BASEPOINT_TABLE) - } - } - return (tx_key.deref() * ED25519_BASEPOINT_TABLE, additional_keys_pub); - } - - debug_assert!(!has_payments_to_subaddresses); - debug_assert!(!should_use_additional_keys); - (tx_key.deref() * ED25519_BASEPOINT_TABLE, vec![]) - } - - pub(crate) fn commitments_and_encrypted_amounts( - &self, - key_images: &[EdwardsPoint], - ) -> Vec<(Commitment, EncryptedAmount)> { - let shared_key_derivations = self.shared_key_derivations(key_images); - - let mut res = Vec::with_capacity(self.payments.len()); - for (payment, shared_key_derivations) in self.payments.iter().zip(shared_key_derivations) { - let amount = match payment { - InternalPayment::Payment(_, amount) => *amount, - InternalPayment::Change(_) => { - let inputs = self.inputs.iter().map(|input| input.commitment().amount).sum::(); - let payments = self - .payments - .iter() - .filter_map(|payment| match payment { - InternalPayment::Payment(_, amount) => Some(amount), - InternalPayment::Change(_) => None, - }) - .sum::(); - let necessary_fee = self.weight_and_necessary_fee().1; - // Safe since the constructor checked this TX has enough funds for itself - inputs - (payments + necessary_fee) - } - }; - let commitment = Commitment::new(shared_key_derivations.commitment_mask(), amount); - let encrypted_amount = EncryptedAmount::Compact { - amount: shared_key_derivations.compact_amount_encryption(amount), - }; - res.push((commitment, encrypted_amount)); - } - res - } - - pub(crate) fn sum_output_masks(&self, key_images: &[EdwardsPoint]) -> Scalar { - self - .commitments_and_encrypted_amounts(key_images) - .into_iter() - .map(|(commitment, _)| commitment.mask) - .sum() - } -} diff --git a/networks/monero/wallet/src/tests/extra.rs b/networks/monero/wallet/src/tests/extra.rs deleted file mode 100644 index 497602ce..00000000 --- a/networks/monero/wallet/src/tests/extra.rs +++ /dev/null @@ -1,202 +0,0 @@ -use curve25519_dalek::edwards::{EdwardsPoint, CompressedEdwardsY}; - -use crate::{ - io::write_varint, - extra::{MAX_TX_EXTRA_PADDING_COUNT, ExtraField, Extra}, -}; - -// Tests derived from -// https://github.com/monero-project/monero/blob/ac02af92867590ca80b2779a7bbeafa99ff94dcb/ -// tests/unit_tests/test_tx_utils.cpp -// which is licensed as follows: -#[rustfmt::skip] -/* -Copyright (c) 2014-2022, The Monero Project - -All rights reserved. - -Redistribution and use in source and binary forms, with or without -modification, are permitted provided that the following conditions are met: - -1. Redistributions of source code must retain the above copyright notice, this -list of conditions and the following disclaimer. - -2. Redistributions in binary form must reproduce the above copyright notice, -this list of conditions and the following disclaimer in the documentation -and/or other materials provided with the distribution. - -3. Neither the name of the copyright holder nor the names of its contributors -may be used to endorse or promote products derived from this software without -specific prior written permission. - -THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND -ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED -WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE -DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE -FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL -DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR -SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER -CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, -OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE -OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. - -Parts of the project are originally copyright (c) 2012-2013 The Cryptonote -developers - -Parts of the project are originally copyright (c) 2014 The Boolberry -developers, distributed under the MIT licence: - - Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: - - The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. - - THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. -*/ - -const PUB_KEY_BYTES: [u8; 33] = [ - 1, 30, 208, 98, 162, 133, 64, 85, 83, 112, 91, 188, 89, 211, 24, 131, 39, 154, 22, 228, 80, 63, - 198, 141, 173, 111, 244, 183, 4, 149, 186, 140, 230, -]; - -fn pub_key() -> EdwardsPoint { - CompressedEdwardsY(PUB_KEY_BYTES[1 .. PUB_KEY_BYTES.len()].try_into().expect("invalid pub key")) - .decompress() - .unwrap() -} - -fn test_write_buf(extra: &Extra, buf: &[u8]) { - let mut w: Vec = vec![]; - Extra::write(extra, &mut w).unwrap(); - assert_eq!(buf, w); -} - -#[test] -fn empty_extra() { - let buf: Vec = vec![]; - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert!(extra.0.is_empty()); - test_write_buf(&extra, &buf); -} - -#[test] -fn padding_only_size_1() { - let buf: Vec = vec![0]; - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert_eq!(extra.0, vec![ExtraField::Padding(1)]); - test_write_buf(&extra, &buf); -} - -#[test] -fn padding_only_size_2() { - let buf: Vec = vec![0, 0]; - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert_eq!(extra.0, vec![ExtraField::Padding(2)]); - test_write_buf(&extra, &buf); -} - -#[test] -fn padding_only_max_size() { - let buf: Vec = vec![0; MAX_TX_EXTRA_PADDING_COUNT]; - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert_eq!(extra.0, vec![ExtraField::Padding(MAX_TX_EXTRA_PADDING_COUNT)]); - test_write_buf(&extra, &buf); -} - -#[test] -fn padding_only_exceed_max_size() { - let buf: Vec = vec![0; MAX_TX_EXTRA_PADDING_COUNT + 1]; - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert!(extra.0.is_empty()); -} - -#[test] -fn invalid_padding_only() { - let buf: Vec = vec![0, 42]; - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert!(extra.0.is_empty()); -} - -#[test] -fn pub_key_only() { - let buf: Vec = PUB_KEY_BYTES.to_vec(); - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert_eq!(extra.0, vec![ExtraField::PublicKey(pub_key())]); - test_write_buf(&extra, &buf); -} - -#[test] -fn extra_nonce_only() { - let buf: Vec = vec![2, 1, 42]; - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert_eq!(extra.0, vec![ExtraField::Nonce(vec![42])]); - test_write_buf(&extra, &buf); -} - -#[test] -fn extra_nonce_only_wrong_size() { - let mut buf: Vec = vec![0; 20]; - buf[0] = 2; - buf[1] = 255; - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert!(extra.0.is_empty()); -} - -#[test] -fn pub_key_and_padding() { - let mut buf: Vec = PUB_KEY_BYTES.to_vec(); - buf.extend([ - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, - ]); - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert_eq!(extra.0, vec![ExtraField::PublicKey(pub_key()), ExtraField::Padding(76)]); - test_write_buf(&extra, &buf); -} - -#[test] -fn pub_key_and_invalid_padding() { - let mut buf: Vec = PUB_KEY_BYTES.to_vec(); - buf.extend([0, 1]); - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert_eq!(extra.0, vec![ExtraField::PublicKey(pub_key())]); -} - -#[test] -fn extra_mysterious_minergate_only() { - let buf: Vec = vec![222, 1, 42]; - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert_eq!(extra.0, vec![ExtraField::MysteriousMinergate(vec![42])]); - test_write_buf(&extra, &buf); -} - -#[test] -fn extra_mysterious_minergate_only_large() { - let mut buf: Vec = vec![222]; - write_varint(&512u64, &mut buf).unwrap(); - buf.extend_from_slice(&vec![0; 512]); - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert_eq!(extra.0, vec![ExtraField::MysteriousMinergate(vec![0; 512])]); - test_write_buf(&extra, &buf); -} - -#[test] -fn extra_mysterious_minergate_only_wrong_size() { - let mut buf: Vec = vec![0; 20]; - buf[0] = 222; - buf[1] = 255; - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert!(extra.0.is_empty()); -} - -#[test] -fn extra_mysterious_minergate_and_pub_key() { - let mut buf: Vec = vec![222, 1, 42]; - buf.extend(PUB_KEY_BYTES.to_vec()); - let extra = Extra::read::<&[u8]>(&mut buf.as_ref()).unwrap(); - assert_eq!( - extra.0, - vec![ExtraField::MysteriousMinergate(vec![42]), ExtraField::PublicKey(pub_key())] - ); - test_write_buf(&extra, &buf); -} diff --git a/networks/monero/wallet/src/tests/mod.rs b/networks/monero/wallet/src/tests/mod.rs deleted file mode 100644 index 9f151598..00000000 --- a/networks/monero/wallet/src/tests/mod.rs +++ /dev/null @@ -1,2 +0,0 @@ -mod extra; -mod scan; diff --git a/networks/monero/wallet/src/tests/scan.rs b/networks/monero/wallet/src/tests/scan.rs deleted file mode 100644 index 4f4da239..00000000 --- a/networks/monero/wallet/src/tests/scan.rs +++ /dev/null @@ -1,168 +0,0 @@ -use monero_rpc::ScannableBlock; -use crate::{ - transaction::{Pruned, Transaction}, - block::Block, - ViewPair, Scanner, WalletOutput, - output::{AbsoluteId, RelativeId, OutputData, Metadata}, - Commitment, - PaymentId::Encrypted, - transaction::Timelock, - ringct::EncryptedAmount, -}; -use zeroize::Zeroizing; -use curve25519_dalek::{Scalar, constants::ED25519_BASEPOINT_TABLE, edwards::CompressedEdwardsY}; - -const SPEND_KEY: &str = "ccf0ea10e1ea64354f42fa710c2b318e581969cf49046d809d1f0aadb3fc7a02"; -const VIEW_KEY: &str = "a28b4b2085592881df94ee95da332c16b5bb773eb8bb74730208cbb236c73806"; - -#[rustfmt::skip] -const PRUNED_TX_WITH_LONG_ENCRYPTED_AMOUNT: &str = "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"; - -#[rustfmt::skip] -const BLOCK: &str = "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"; - -const OUTPUT_INDEX_FOR_FIRST_RINGCT_OUTPUT: u64 = 0; // note the miner tx is a v1 tx - -fn wallet_output0() -> WalletOutput { - WalletOutput { - absolute_id: AbsoluteId { - transaction: hex::decode("b74773bbea995079805398052da9b69244bda034b089b50e4d9151dedb59a12f") - .unwrap() - .try_into() - .unwrap(), - index_in_transaction: 0, - }, - relative_id: RelativeId { index_on_blockchain: OUTPUT_INDEX_FOR_FIRST_RINGCT_OUTPUT }, - data: OutputData { - key: CompressedEdwardsY( - hex::decode("ee8ca293511571c0005e1c144e49d09b8ff03046dbafb3e064a34cb9fc1994b6") - .unwrap() - .try_into() - .unwrap(), - ) - .decompress() - .unwrap(), - key_offset: Scalar::from_canonical_bytes( - hex::decode("f1d21a76ea0bb228fbc5f0dece0597a8ffb59de7a04b29f70b7c0310446ea905") - .unwrap() - .try_into() - .unwrap(), - ) - .unwrap(), - commitment: Commitment { - amount: 10000, - mask: Scalar::from_canonical_bytes( - hex::decode("05c2f142aaf3054cbff0a022f6c7cb75403fd92af0f9441c072ade3f273f7706") - .unwrap() - .try_into() - .unwrap(), - ) - .unwrap(), - }, - }, - metadata: Metadata { - additional_timelock: Timelock::None, - subaddress: None, - payment_id: Some(Encrypted([0, 0, 0, 0, 0, 0, 0, 0])), - arbitrary_data: [].to_vec(), - }, - } -} - -fn wallet_output1() -> WalletOutput { - WalletOutput { - absolute_id: AbsoluteId { - transaction: hex::decode("b74773bbea995079805398052da9b69244bda034b089b50e4d9151dedb59a12f") - .unwrap() - .try_into() - .unwrap(), - index_in_transaction: 1, - }, - relative_id: RelativeId { index_on_blockchain: OUTPUT_INDEX_FOR_FIRST_RINGCT_OUTPUT + 1 }, - data: OutputData { - key: CompressedEdwardsY( - hex::decode("9e2e5cd08c8681dbcf2ce66071467e835f7e86613fbfed3c4fb170127b94e107") - .unwrap() - .try_into() - .unwrap(), - ) - .decompress() - .unwrap(), - key_offset: Scalar::from_canonical_bytes( - hex::decode("c5189738c1cb40e68d464f1a1848a85f6ab2c09652a31849213dc0fefd212806") - .unwrap() - .try_into() - .unwrap(), - ) - .unwrap(), - commitment: Commitment { - amount: 10000, - mask: Scalar::from_canonical_bytes( - hex::decode("c8922ce32cb2bf454a6b77bc91423ba7a18412b71fa39a97a2a743c1fe0bad04") - .unwrap() - .try_into() - .unwrap(), - ) - .unwrap(), - }, - }, - metadata: Metadata { - additional_timelock: Timelock::None, - subaddress: None, - payment_id: Some(Encrypted([0, 0, 0, 0, 0, 0, 0, 0])), - arbitrary_data: [].to_vec(), - }, - } -} - -#[test] -fn scan_long_encrypted_amount() { - // Parse strings - let spend_key_buf = hex::decode(SPEND_KEY).unwrap(); - let spend_key = - Zeroizing::new(Scalar::from_canonical_bytes(spend_key_buf.try_into().unwrap()).unwrap()); - - let view_key_buf = hex::decode(VIEW_KEY).unwrap(); - let view_key = - Zeroizing::new(Scalar::from_canonical_bytes(view_key_buf.try_into().unwrap()).unwrap()); - - let tx_buf = hex::decode(PRUNED_TX_WITH_LONG_ENCRYPTED_AMOUNT).unwrap(); - let tx = Transaction::::read::<&[u8]>(&mut tx_buf.as_ref()).unwrap(); - - let block_buf = hex::decode(BLOCK).unwrap(); - let block = Block::read::<&[u8]>(&mut block_buf.as_ref()).unwrap(); - - // Confirm tx has long form encrypted amounts - match &tx { - Transaction::V2 { prefix: _, proofs } => { - let proofs = proofs.clone().unwrap(); - assert_eq!(proofs.base.encrypted_amounts.len(), 2); - assert!(proofs - .base - .encrypted_amounts - .iter() - .all(|o| matches!(o, EncryptedAmount::Original { .. }))); - } - _ => panic!("Unexpected tx version"), - }; - - // Prepare scanner - let spend_pub = &*spend_key * ED25519_BASEPOINT_TABLE; - let view: ViewPair = ViewPair::new(spend_pub, view_key).unwrap(); - let mut scanner = Scanner::new(view); - - // Prepare scannable block - let txs: Vec> = vec![tx]; - let scannable_block = ScannableBlock { - block, - transactions: txs, - output_index_for_first_ringct_output: Some(OUTPUT_INDEX_FOR_FIRST_RINGCT_OUTPUT), - }; - - // Scan the block - let outputs = scanner.scan(scannable_block).unwrap().not_additionally_locked(); - - assert_eq!(outputs.len(), 2); - assert_eq!(outputs[0], wallet_output0()); - assert_eq!(outputs[1], wallet_output1()); -} diff --git a/networks/monero/wallet/src/view_pair.rs b/networks/monero/wallet/src/view_pair.rs deleted file mode 100644 index 3b09f088..00000000 --- a/networks/monero/wallet/src/view_pair.rs +++ /dev/null @@ -1,144 +0,0 @@ -use core::ops::Deref; - -use zeroize::{Zeroize, ZeroizeOnDrop, Zeroizing}; - -use curve25519_dalek::{constants::ED25519_BASEPOINT_TABLE, Scalar, EdwardsPoint}; - -use crate::{ - primitives::keccak256_to_scalar, - address::{Network, AddressType, SubaddressIndex, MoneroAddress}, -}; - -/// An error while working with a ViewPair. -#[derive(Clone, PartialEq, Eq, Debug)] -#[cfg_attr(feature = "std", derive(thiserror::Error))] -pub enum ViewPairError { - /// The spend key was torsioned. - /// - /// Torsioned spend keys are of questionable spendability. This library avoids that question by - /// rejecting such ViewPairs. - // CLSAG seems to support it if the challenge does a torsion clear, FCMP++ should ship with a - // torsion clear, yet it's not worth it to modify CLSAG sign to generate challenges until the - // torsion clears and ensure spendability (nor can we reasonably guarantee that in the future) - #[cfg_attr(feature = "std", error("torsioned spend key"))] - TorsionedSpendKey, -} - -/// The pair of keys necessary to scan transactions. -/// -/// This is composed of the public spend key and the private view key. -#[derive(Clone, PartialEq, Eq, Zeroize, ZeroizeOnDrop)] -pub struct ViewPair { - spend: EdwardsPoint, - pub(crate) view: Zeroizing, -} - -impl ViewPair { - /// Create a new ViewPair. - pub fn new(spend: EdwardsPoint, view: Zeroizing) -> Result { - if !spend.is_torsion_free() { - Err(ViewPairError::TorsionedSpendKey)?; - } - Ok(ViewPair { spend, view }) - } - - /// The public spend key for this ViewPair. - pub fn spend(&self) -> EdwardsPoint { - self.spend - } - - /// The public view key for this ViewPair. - pub fn view(&self) -> EdwardsPoint { - self.view.deref() * ED25519_BASEPOINT_TABLE - } - - pub(crate) fn subaddress_derivation(&self, index: SubaddressIndex) -> Scalar { - keccak256_to_scalar(Zeroizing::new( - [ - b"SubAddr\0".as_ref(), - Zeroizing::new(self.view.to_bytes()).as_ref(), - &index.account().to_le_bytes(), - &index.address().to_le_bytes(), - ] - .concat(), - )) - } - - pub(crate) fn subaddress_keys(&self, index: SubaddressIndex) -> (EdwardsPoint, EdwardsPoint) { - let scalar = self.subaddress_derivation(index); - let spend = self.spend + (&scalar * ED25519_BASEPOINT_TABLE); - let view = self.view.deref() * spend; - (spend, view) - } - - /// Derive a legacy address from this ViewPair. - /// - /// Subaddresses SHOULD be used instead. - pub fn legacy_address(&self, network: Network) -> MoneroAddress { - MoneroAddress::new(network, AddressType::Legacy, self.spend, self.view()) - } - - /// Derive a legacy integrated address from this ViewPair. - /// - /// Subaddresses SHOULD be used instead. - pub fn legacy_integrated_address(&self, network: Network, payment_id: [u8; 8]) -> MoneroAddress { - MoneroAddress::new(network, AddressType::LegacyIntegrated(payment_id), self.spend, self.view()) - } - - /// Derive a subaddress from this ViewPair. - pub fn subaddress(&self, network: Network, subaddress: SubaddressIndex) -> MoneroAddress { - let (spend, view) = self.subaddress_keys(subaddress); - MoneroAddress::new(network, AddressType::Subaddress, spend, view) - } -} - -/// The pair of keys necessary to scan outputs immune to the burning bug. -/// -/// This is composed of the public spend key and a non-zero private view key. -/// -/// 'Guaranteed' outputs, or transactions outputs to the burning bug, are not officially specified -/// by the Monero project. They should only be used if necessary. No support outside of -/// monero-wallet is promised. -#[derive(Clone, PartialEq, Eq, Zeroize)] -pub struct GuaranteedViewPair(pub(crate) ViewPair); - -impl GuaranteedViewPair { - /// Create a new GuaranteedViewPair. - pub fn new(spend: EdwardsPoint, view: Zeroizing) -> Result { - ViewPair::new(spend, view).map(GuaranteedViewPair) - } - - /// The public spend key for this GuaranteedViewPair. - pub fn spend(&self) -> EdwardsPoint { - self.0.spend() - } - - /// The public view key for this GuaranteedViewPair. - pub fn view(&self) -> EdwardsPoint { - self.0.view() - } - - /// Returns an address with the provided specification. - /// - /// The returned address will be a featured address with the guaranteed flag set. These should - /// not be presumed to be interoperable with any other software. - pub fn address( - &self, - network: Network, - subaddress: Option, - payment_id: Option<[u8; 8]>, - ) -> MoneroAddress { - let (spend, view) = if let Some(index) = subaddress { - self.0.subaddress_keys(index) - } else { - (self.spend(), self.view()) - }; - - MoneroAddress::new( - network, - AddressType::Featured { subaddress: subaddress.is_some(), payment_id, guaranteed: true }, - spend, - view, - ) - } -} diff --git a/networks/monero/wallet/tests/add_data.rs b/networks/monero/wallet/tests/add_data.rs deleted file mode 100644 index bd600d53..00000000 --- a/networks/monero/wallet/tests/add_data.rs +++ /dev/null @@ -1,82 +0,0 @@ -use monero_serai::transaction::Transaction; -use monero_simple_request_rpc::SimpleRequestRpc; -use monero_wallet::{rpc::Rpc, extra::MAX_ARBITRARY_DATA_SIZE, send::SendError}; - -mod runner; - -#[allow(clippy::upper_case_acronyms)] -type SRR = SimpleRequestRpc; - -test!( - add_single_data_less_than_max, - ( - |_, mut builder: Builder, addr| async move { - let arbitrary_data = vec![b'\0'; MAX_ARBITRARY_DATA_SIZE - 1]; - - // make sure we can add to tx - builder.add_data(arbitrary_data.clone()).unwrap(); - - builder.add_payment(addr, 5); - (builder.build().unwrap(), (arbitrary_data,)) - }, - |_rpc: SRR, block, tx: Transaction, mut scanner: Scanner, data: (Vec,)| async move { - let output = scanner.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 5); - assert_eq!(output.arbitrary_data()[0], data.0); - }, - ), -); - -test!( - add_multiple_data_less_than_max, - ( - |_, mut builder: Builder, addr| async move { - let mut data = vec![]; - for b in 1 ..= 3 { - data.push(vec![b; MAX_ARBITRARY_DATA_SIZE - 1]); - } - - // Add data multiple times - for data in &data { - builder.add_data(data.clone()).unwrap(); - } - - builder.add_payment(addr, 5); - (builder.build().unwrap(), data) - }, - |_rpc: SRR, block, tx: Transaction, mut scanner: Scanner, data: Vec>| async move { - let output = scanner.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 5); - assert_eq!(output.arbitrary_data(), data); - }, - ), -); - -test!( - add_single_data_more_than_max, - ( - |_, mut builder: Builder, addr| async move { - // Make a data that is bigger than the maximum - let mut data = vec![b'a'; MAX_ARBITRARY_DATA_SIZE + 1]; - - // Make sure we get an error if we try to add it to the TX - assert_eq!(builder.add_data(data.clone()), Err(SendError::TooMuchArbitraryData)); - - // Reduce data size and retry. The data will now be 255 bytes long (including the added - // marker), exactly - data.pop(); - builder.add_data(data.clone()).unwrap(); - - builder.add_payment(addr, 5); - (builder.build().unwrap(), data) - }, - |_rpc: SRR, block, tx: Transaction, mut scanner: Scanner, data: Vec| async move { - let output = scanner.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 5); - assert_eq!(output.arbitrary_data(), vec![data]); - }, - ), -); diff --git a/networks/monero/wallet/tests/decoys.rs b/networks/monero/wallet/tests/decoys.rs deleted file mode 100644 index 9200f7d6..00000000 --- a/networks/monero/wallet/tests/decoys.rs +++ /dev/null @@ -1,163 +0,0 @@ -use monero_simple_request_rpc::SimpleRequestRpc; -use monero_wallet::{ - DEFAULT_LOCK_WINDOW, - transaction::Transaction, - rpc::{Rpc, DecoyRpc}, - WalletOutput, -}; - -mod runner; - -test!( - select_latest_output_as_decoy_canonical, - ( - // First make an initial tx0 - |_, mut builder: Builder, addr| async move { - builder.add_payment(addr, 2000000000000); - (builder.build().unwrap(), ()) - }, - |_rpc: SimpleRequestRpc, block, tx: Transaction, mut scanner: Scanner, ()| async move { - let output = scanner.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 2000000000000); - output - }, - ), - ( - // Then make a second tx1 - |rct_type: RctType, rpc: SimpleRequestRpc, mut builder: Builder, addr, state: _| async move { - let output_tx0: WalletOutput = state; - - let input = OutputWithDecoys::fingerprintable_deterministic_new( - &mut OsRng, - &rpc, - ring_len(rct_type), - rpc.get_height().await.unwrap(), - output_tx0.clone(), - ) - .await - .unwrap(); - builder.add_input(input); - builder.add_payment(addr, 1000000000000); - - (builder.build().unwrap(), (rct_type, output_tx0)) - }, - // Then make sure DSA selects freshly unlocked output from tx1 as a decoy - |rpc, _, tx: Transaction, _: Scanner, state: (_, _)| async move { - use rand_core::OsRng; - - let rpc: SimpleRequestRpc = rpc; - - let height = rpc.get_height().await.unwrap(); - - let most_recent_o_index = rpc.get_o_indexes(tx.hash()).await.unwrap().pop().unwrap(); - - // Make sure output from tx1 is in the block in which it unlocks - let out_tx1 = rpc.get_outs(&[most_recent_o_index]).await.unwrap().swap_remove(0); - assert_eq!(out_tx1.height, height - DEFAULT_LOCK_WINDOW); - assert!(out_tx1.unlocked); - - // Select decoys using spendable output from tx0 as the real, and make sure DSA selects - // the freshly unlocked output from tx1 as a decoy - let (rct_type, output_tx0): (RctType, WalletOutput) = state; - let mut selected_fresh_decoy = false; - let mut attempts = 1000; - while !selected_fresh_decoy && attempts > 0 { - let decoys = OutputWithDecoys::fingerprintable_deterministic_new( - &mut OsRng, // TODO: use a seeded RNG to consistently select the latest output - &rpc, - ring_len(rct_type), - height, - output_tx0.clone(), - ) - .await - .unwrap() - .decoys() - .clone(); - - selected_fresh_decoy = decoys.positions().contains(&most_recent_o_index); - attempts -= 1; - } - - assert!(selected_fresh_decoy); - assert_eq!(height, rpc.get_height().await.unwrap()); - }, - ), -); - -test!( - select_latest_output_as_decoy, - ( - // First make an initial tx0 - |_, mut builder: Builder, addr| async move { - builder.add_payment(addr, 2000000000000); - (builder.build().unwrap(), ()) - }, - |_rpc: SimpleRequestRpc, block, tx: Transaction, mut scanner: Scanner, ()| async move { - let output = scanner.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 2000000000000); - output - }, - ), - ( - // Then make a second tx1 - |rct_type: RctType, rpc, mut builder: Builder, addr, output_tx0: WalletOutput| async move { - let rpc: SimpleRequestRpc = rpc; - - let input = OutputWithDecoys::new( - &mut OsRng, - &rpc, - ring_len(rct_type), - rpc.get_height().await.unwrap(), - output_tx0.clone(), - ) - .await - .unwrap(); - builder.add_input(input); - builder.add_payment(addr, 1000000000000); - - (builder.build().unwrap(), (rct_type, output_tx0)) - }, - // Then make sure DSA selects freshly unlocked output from tx1 as a decoy - |rpc, _, tx: Transaction, _: Scanner, state: (_, _)| async move { - use rand_core::OsRng; - - let rpc: SimpleRequestRpc = rpc; - - let height = rpc.get_height().await.unwrap(); - - let most_recent_o_index = rpc.get_o_indexes(tx.hash()).await.unwrap().pop().unwrap(); - - // Make sure output from tx1 is in the block in which it unlocks - let out_tx1 = rpc.get_outs(&[most_recent_o_index]).await.unwrap().swap_remove(0); - assert_eq!(out_tx1.height, height - DEFAULT_LOCK_WINDOW); - assert!(out_tx1.unlocked); - - // Select decoys using spendable output from tx0 as the real, and make sure DSA selects - // the freshly unlocked output from tx1 as a decoy - let (rct_type, output_tx0): (RctType, WalletOutput) = state; - let mut selected_fresh_decoy = false; - let mut attempts = 1000; - while !selected_fresh_decoy && attempts > 0 { - let decoys = OutputWithDecoys::new( - &mut OsRng, // TODO: use a seeded RNG to consistently select the latest output - &rpc, - ring_len(rct_type), - height, - output_tx0.clone(), - ) - .await - .unwrap() - .decoys() - .clone(); - - selected_fresh_decoy = decoys.positions().contains(&most_recent_o_index); - attempts -= 1; - } - - assert!(selected_fresh_decoy); - assert_eq!(height, rpc.get_height().await.unwrap()); - }, - ), -); diff --git a/networks/monero/wallet/tests/eventuality.rs b/networks/monero/wallet/tests/eventuality.rs deleted file mode 100644 index c9e1d9eb..00000000 --- a/networks/monero/wallet/tests/eventuality.rs +++ /dev/null @@ -1,80 +0,0 @@ -use curve25519_dalek::constants::ED25519_BASEPOINT_POINT; - -use monero_serai::transaction::Transaction; -use monero_wallet::{ - rpc::Rpc, - address::{AddressType, MoneroAddress}, -}; - -mod runner; - -test!( - eventuality, - ( - |_, mut builder: Builder, _| async move { - // Add a standard address, a payment ID address, a subaddress, and a guaranteed address - // Each have their own slight implications to eventualities - builder.add_payment( - MoneroAddress::new( - Network::Mainnet, - AddressType::Legacy, - ED25519_BASEPOINT_POINT, - ED25519_BASEPOINT_POINT, - ), - 1, - ); - builder.add_payment( - MoneroAddress::new( - Network::Mainnet, - AddressType::LegacyIntegrated([0xaa; 8]), - ED25519_BASEPOINT_POINT, - ED25519_BASEPOINT_POINT, - ), - 2, - ); - builder.add_payment( - MoneroAddress::new( - Network::Mainnet, - AddressType::Subaddress, - ED25519_BASEPOINT_POINT, - ED25519_BASEPOINT_POINT, - ), - 3, - ); - builder.add_payment( - MoneroAddress::new( - Network::Mainnet, - AddressType::Featured { subaddress: false, payment_id: None, guaranteed: true }, - ED25519_BASEPOINT_POINT, - ED25519_BASEPOINT_POINT, - ), - 4, - ); - let tx = builder.build().unwrap(); - let eventuality = Eventuality::from(tx.clone()); - assert_eq!( - eventuality, - Eventuality::read::<&[u8]>(&mut eventuality.serialize().as_ref()).unwrap() - ); - (tx, eventuality) - }, - |_, _, mut tx: Transaction, _, eventuality: Eventuality| async move { - // 4 explicitly outputs added and one change output - assert_eq!(tx.prefix().outputs.len(), 5); - - // The eventuality's available extra should be the actual TX's - assert_eq!(tx.prefix().extra, eventuality.extra()); - - // The TX should match - assert!(eventuality.matches(&tx.clone().into())); - - // Mutate the TX - let Transaction::V2 { proofs: Some(ref mut proofs), .. } = tx else { - panic!("TX wasn't RingCT") - }; - proofs.base.commitments[0] += ED25519_BASEPOINT_POINT; - // Verify it no longer matches - assert!(!eventuality.matches(&tx.clone().into())); - }, - ), -); diff --git a/networks/monero/wallet/tests/runner/builder.rs b/networks/monero/wallet/tests/runner/builder.rs deleted file mode 100644 index 7e2abe1e..00000000 --- a/networks/monero/wallet/tests/runner/builder.rs +++ /dev/null @@ -1,82 +0,0 @@ -use zeroize::{Zeroize, Zeroizing}; - -use monero_wallet::{ - ringct::RctType, - rpc::FeeRate, - address::MoneroAddress, - OutputWithDecoys, - send::{Change, SendError, SignableTransaction}, - extra::MAX_ARBITRARY_DATA_SIZE, -}; - -/// A builder for Monero transactions. -#[derive(Clone, PartialEq, Eq, Zeroize, Debug)] -pub struct SignableTransactionBuilder { - rct_type: RctType, - outgoing_view_key: Zeroizing<[u8; 32]>, - inputs: Vec, - payments: Vec<(MoneroAddress, u64)>, - change: Change, - data: Vec>, - fee_rate: FeeRate, -} - -impl SignableTransactionBuilder { - pub fn new( - rct_type: RctType, - outgoing_view_key: Zeroizing<[u8; 32]>, - change: Change, - fee_rate: FeeRate, - ) -> Self { - Self { - rct_type, - outgoing_view_key, - inputs: vec![], - payments: vec![], - change, - data: vec![], - fee_rate, - } - } - - pub fn add_input(&mut self, input: OutputWithDecoys) -> &mut Self { - self.inputs.push(input); - self - } - #[allow(unused)] - pub fn add_inputs(&mut self, inputs: &[OutputWithDecoys]) -> &mut Self { - self.inputs.extend(inputs.iter().cloned()); - self - } - - pub fn add_payment(&mut self, dest: MoneroAddress, amount: u64) -> &mut Self { - self.payments.push((dest, amount)); - self - } - #[allow(unused)] - pub fn add_payments(&mut self, payments: &[(MoneroAddress, u64)]) -> &mut Self { - self.payments.extend(payments); - self - } - - #[allow(unused)] - pub fn add_data(&mut self, data: Vec) -> Result<&mut Self, SendError> { - if data.len() > MAX_ARBITRARY_DATA_SIZE { - Err(SendError::TooMuchArbitraryData)?; - } - self.data.push(data); - Ok(self) - } - - pub fn build(self) -> Result { - SignableTransaction::new( - self.rct_type, - self.outgoing_view_key, - self.inputs, - self.payments, - self.change, - self.data, - self.fee_rate, - ) - } -} diff --git a/networks/monero/wallet/tests/runner/mod.rs b/networks/monero/wallet/tests/runner/mod.rs deleted file mode 100644 index 361e2f8c..00000000 --- a/networks/monero/wallet/tests/runner/mod.rs +++ /dev/null @@ -1,361 +0,0 @@ -use core::ops::Deref; -use std_shims::sync::LazyLock; - -use zeroize::Zeroizing; -use rand_core::OsRng; - -use curve25519_dalek::{constants::ED25519_BASEPOINT_TABLE, scalar::Scalar}; - -use tokio::sync::Mutex; - -use monero_simple_request_rpc::SimpleRequestRpc; -use monero_wallet::{ - ringct::RctType, - transaction::Transaction, - block::Block, - rpc::{Rpc, FeeRate}, - address::{Network, AddressType, MoneroAddress}, - DEFAULT_LOCK_WINDOW, ViewPair, GuaranteedViewPair, WalletOutput, Scanner, -}; - -mod builder; -pub use builder::SignableTransactionBuilder; - -pub fn ring_len(rct_type: RctType) -> u8 { - match rct_type { - RctType::ClsagBulletproof => 11, - RctType::ClsagBulletproofPlus => 16, - _ => panic!("ring size unknown for RctType"), - } -} - -pub fn random_address() -> (Scalar, ViewPair, MoneroAddress) { - let spend = Scalar::random(&mut OsRng); - let spend_pub = &spend * ED25519_BASEPOINT_TABLE; - let view = Zeroizing::new(Scalar::random(&mut OsRng)); - ( - spend, - ViewPair::new(spend_pub, view.clone()).unwrap(), - MoneroAddress::new( - Network::Mainnet, - AddressType::Legacy, - spend_pub, - view.deref() * ED25519_BASEPOINT_TABLE, - ), - ) -} - -#[allow(unused)] -pub fn random_guaranteed_address() -> (Scalar, GuaranteedViewPair, MoneroAddress) { - let spend = Scalar::random(&mut OsRng); - let spend_pub = &spend * ED25519_BASEPOINT_TABLE; - let view = Zeroizing::new(Scalar::random(&mut OsRng)); - ( - spend, - GuaranteedViewPair::new(spend_pub, view.clone()).unwrap(), - MoneroAddress::new( - Network::Mainnet, - AddressType::Legacy, - spend_pub, - view.deref() * ED25519_BASEPOINT_TABLE, - ), - ) -} - -// TODO: Support transactions already on-chain -// TODO: Don't have a side effect of mining blocks more blocks than needed under race conditions -pub async fn mine_until_unlocked( - rpc: &SimpleRequestRpc, - addr: &MoneroAddress, - tx_hash: [u8; 32], -) -> Block { - // mine until tx is in a block - let mut height = rpc.get_height().await.unwrap(); - let mut found = false; - let mut block = None; - while !found { - let inner_block = rpc.get_block_by_number(height - 1).await.unwrap(); - found = match inner_block.transactions.iter().find(|&&x| x == tx_hash) { - Some(_) => { - block = Some(inner_block); - true - } - None => { - height = rpc.generate_blocks(addr, 1).await.unwrap().1 + 1; - false - } - } - } - - // Mine until tx's outputs are unlocked - for _ in 0 .. (DEFAULT_LOCK_WINDOW - 1) { - rpc.generate_blocks(addr, 1).await.unwrap(); - } - - block.unwrap() -} - -// Mines 60 blocks and returns an unlocked miner TX output. -#[allow(dead_code)] -pub async fn get_miner_tx_output(rpc: &SimpleRequestRpc, view: &ViewPair) -> WalletOutput { - let mut scanner = Scanner::new(view.clone()); - - // Mine 60 blocks to unlock a miner TX - let start = rpc.get_height().await.unwrap(); - rpc.generate_blocks(&view.legacy_address(Network::Mainnet), 60).await.unwrap(); - - let block = rpc.get_block_by_number(start).await.unwrap(); - scanner - .scan(rpc.get_scannable_block(block).await.unwrap()) - .unwrap() - .ignore_additional_timelock() - .swap_remove(0) -} - -/// Make sure the weight and fee match the expected calculation. -pub fn check_weight_and_fee(tx: &Transaction, fee_rate: FeeRate) { - let Transaction::V2 { proofs: Some(ref proofs), .. } = tx else { panic!("TX wasn't RingCT") }; - let fee = proofs.base.fee; - - let weight = tx.weight(); - let expected_weight = fee_rate.calculate_weight_from_fee(fee).unwrap(); - assert_eq!(weight, expected_weight); - - let expected_fee = fee_rate.calculate_fee_from_weight(weight); - assert_eq!(fee, expected_fee); -} - -pub async fn rpc() -> SimpleRequestRpc { - let rpc = - SimpleRequestRpc::new("http://serai:seraidex@127.0.0.1:18081".to_string()).await.unwrap(); - - const BLOCKS_TO_MINE: usize = 110; - - // Only run once - if rpc.get_height().await.unwrap() > BLOCKS_TO_MINE { - return rpc; - } - - let addr = MoneroAddress::new( - Network::Mainnet, - AddressType::Legacy, - &Scalar::random(&mut OsRng) * ED25519_BASEPOINT_TABLE, - &Scalar::random(&mut OsRng) * ED25519_BASEPOINT_TABLE, - ); - - // Mine enough blocks to ensure decoy availability - rpc.generate_blocks(&addr, BLOCKS_TO_MINE).await.unwrap(); - - rpc -} - -pub(crate) static SEQUENTIAL: LazyLock> = LazyLock::new(|| Mutex::new(())); - -#[macro_export] -macro_rules! async_sequential { - ($(async fn $name: ident() $body: block)*) => { - $( - #[tokio::test] - async fn $name() { - let guard = runner::SEQUENTIAL.lock().await; - let local = tokio::task::LocalSet::new(); - local.run_until(async move { - if let Err(err) = tokio::task::spawn_local(async move { $body }).await { - drop(guard); - Err(err).unwrap() - } - }).await; - } - )* - } -} - -#[macro_export] -macro_rules! test { - ( - $name: ident, - ( - $first_tx: expr, - $first_checks: expr, - ), - $(( - $tx: expr, - $checks: expr, - )$(,)?),* - ) => { - async_sequential! { - async fn $name() { - use core::{ops::Deref, any::Any}; - #[cfg(feature = "multisig")] - use std::collections::HashMap; - - use zeroize::Zeroizing; - use rand_core::{RngCore, OsRng}; - - use curve25519_dalek::{constants::ED25519_BASEPOINT_TABLE, scalar::Scalar}; - - #[cfg(feature = "multisig")] - use frost::{ - curve::Ed25519, - Participant, - tests::{THRESHOLD, key_gen}, - }; - - use monero_wallet::{ - ringct::RctType, - rpc::FeePriority, - address::Network, - ViewPair, Scanner, OutputWithDecoys, - send::{Change, SignableTransaction, Eventuality}, - }; - - use runner::{ - SignableTransactionBuilder, ring_len, random_address, rpc, mine_until_unlocked, - get_miner_tx_output, check_weight_and_fee, - }; - - type Builder = SignableTransactionBuilder; - - // Run each function as both a single signer and as a multisig - #[allow(clippy::redundant_closure_call)] - for multisig in [false, true] { - // Only run the multisig variant if multisig is enabled - if multisig { - #[cfg(not(feature = "multisig"))] - continue; - } - - let spend = Zeroizing::new(Scalar::random(&mut OsRng)); - #[cfg(feature = "multisig")] - let keys = key_gen::<_, Ed25519>(&mut OsRng); - - let spend_pub = if !multisig { - spend.deref() * ED25519_BASEPOINT_TABLE - } else { - #[cfg(not(feature = "multisig"))] - panic!("Multisig branch called without the multisig feature"); - #[cfg(feature = "multisig")] - keys[&Participant::new(1).unwrap()].group_key().0 - }; - - let rpc = rpc().await; - - let view_priv = Zeroizing::new(Scalar::random(&mut OsRng)); - let mut outgoing_view = Zeroizing::new([0; 32]); - OsRng.fill_bytes(outgoing_view.as_mut()); - let view = ViewPair::new(spend_pub, view_priv.clone()).unwrap(); - let addr = view.legacy_address(Network::Mainnet); - - let miner_tx = get_miner_tx_output(&rpc, &view).await; - - let rct_type = match rpc.get_hardfork_version().await.unwrap() { - 14 => RctType::ClsagBulletproof, - 15 | 16 => RctType::ClsagBulletproofPlus, - _ => panic!("unrecognized hardfork version"), - }; - - let builder = SignableTransactionBuilder::new( - rct_type, - outgoing_view, - Change::new( - ViewPair::new( - &Scalar::random(&mut OsRng) * ED25519_BASEPOINT_TABLE, - Zeroizing::new(Scalar::random(&mut OsRng)) - ).unwrap(), - None, - ), - rpc.get_fee_rate(FeePriority::Unimportant).await.unwrap(), - ); - - let sign = |tx: SignableTransaction| { - let spend = spend.clone(); - #[cfg(feature = "multisig")] - let keys = keys.clone(); - - assert_eq!(&SignableTransaction::read(&mut tx.serialize().as_slice()).unwrap(), &tx); - - let eventuality = Eventuality::from(tx.clone()); - - let tx = if !multisig { - tx.sign(&mut OsRng, &spend).unwrap() - } else { - #[cfg(not(feature = "multisig"))] - panic!("multisig branch called without the multisig feature"); - #[cfg(feature = "multisig")] - { - let mut machines = HashMap::new(); - for i in (1 ..= THRESHOLD).map(|i| Participant::new(i).unwrap()) { - machines.insert(i, tx.clone().multisig(&keys[&i]).unwrap()); - } - - frost::tests::sign_without_caching(&mut OsRng, machines, &[]) - } - }; - - assert_eq!(&eventuality.extra(), &tx.prefix().extra, "eventuality extra was distinct"); - assert!(eventuality.matches(&tx.clone().into()), "eventuality didn't match"); - - tx - }; - - // TODO: Generate a distinct wallet for each transaction to prevent overlap - let next_addr = addr; - - let temp = Box::new({ - let mut builder = builder.clone(); - - let input = OutputWithDecoys::fingerprintable_deterministic_new( - &mut OsRng, - &rpc, - ring_len(rct_type), - rpc.get_height().await.unwrap(), - miner_tx, - ).await.unwrap(); - builder.add_input(input); - - let (tx, state) = ($first_tx)(rpc.clone(), builder, next_addr).await; - let fee_rate = tx.fee_rate().clone(); - let signed = sign(tx); - rpc.publish_transaction(&signed).await.unwrap(); - let block = - mine_until_unlocked(&rpc, &random_address().2, signed.hash()).await; - let block = rpc.get_scannable_block(block).await.unwrap(); - let tx = rpc.get_transaction(signed.hash()).await.unwrap(); - check_weight_and_fee(&tx, fee_rate); - let scanner = Scanner::new(view.clone()); - ($first_checks)(rpc.clone(), block, tx, scanner, state).await - }); - #[allow(unused_variables, unused_mut, unused_assignments)] - let mut carried_state: Box = temp; - - $( - let (tx, state) = ($tx)( - rct_type, - rpc.clone(), - builder.clone(), - next_addr, - *carried_state.downcast().unwrap() - ).await; - let fee_rate = tx.fee_rate().clone(); - let signed = sign(tx); - rpc.publish_transaction(&signed).await.unwrap(); - let block = - mine_until_unlocked(&rpc, &random_address().2, signed.hash()).await; - let block = rpc.get_scannable_block(block).await.unwrap(); - let tx = rpc.get_transaction(signed.hash()).await.unwrap(); - if stringify!($name) != "spend_one_input_to_two_outputs_no_change" { - // Skip weight and fee check for the above test because when there is no change, - // the change is added to the fee - check_weight_and_fee(&tx, fee_rate); - } - #[allow(unused_assignments)] - { - let scanner = Scanner::new(view.clone()); - carried_state = Box::new(($checks)(rpc.clone(), block, tx, scanner, state).await); - } - )* - } - } - } - } -} diff --git a/networks/monero/wallet/tests/scan.rs b/networks/monero/wallet/tests/scan.rs deleted file mode 100644 index 1eb7583b..00000000 --- a/networks/monero/wallet/tests/scan.rs +++ /dev/null @@ -1,160 +0,0 @@ -use monero_simple_request_rpc::SimpleRequestRpc; -use monero_wallet::{ - transaction::Transaction, rpc::Rpc, address::SubaddressIndex, extra::PaymentId, GuaranteedScanner, -}; - -mod runner; - -#[allow(clippy::upper_case_acronyms)] -type SRR = SimpleRequestRpc; -type Tx = Transaction; - -test!( - scan_standard_address, - ( - |_, mut builder: Builder, _| async move { - let view = runner::random_address().1; - let scanner = Scanner::new(view.clone()); - builder.add_payment(view.legacy_address(Network::Mainnet), 5); - (builder.build().unwrap(), scanner) - }, - |_rpc: SRR, block, tx: Transaction, _, mut state: Scanner| async move { - let output = state.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 5); - let dummy_payment_id = PaymentId::Encrypted([0u8; 8]); - assert_eq!(output.payment_id(), Some(dummy_payment_id)); - }, - ), -); - -test!( - scan_subaddress, - ( - |_, mut builder: Builder, _| async move { - let subaddress = SubaddressIndex::new(0, 1).unwrap(); - - let view = runner::random_address().1; - let mut scanner = Scanner::new(view.clone()); - scanner.register_subaddress(subaddress); - - builder.add_payment(view.subaddress(Network::Mainnet, subaddress), 5); - (builder.build().unwrap(), (scanner, subaddress)) - }, - |_rpc: SRR, block, tx: Transaction, _, mut state: (Scanner, SubaddressIndex)| async move { - let output = state.0.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 5); - assert_eq!(output.subaddress(), Some(state.1)); - }, - ), -); - -test!( - scan_integrated_address, - ( - |_, mut builder: Builder, _| async move { - let view = runner::random_address().1; - let scanner = Scanner::new(view.clone()); - - let mut payment_id = [0u8; 8]; - OsRng.fill_bytes(&mut payment_id); - - builder.add_payment(view.legacy_integrated_address(Network::Mainnet, payment_id), 5); - (builder.build().unwrap(), (scanner, payment_id)) - }, - |_rpc: SRR, block, tx: Transaction, _, mut state: (Scanner, [u8; 8])| async move { - let output = state.0.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 5); - assert_eq!(output.payment_id(), Some(PaymentId::Encrypted(state.1))); - }, - ), -); - -test!( - scan_guaranteed, - ( - |_, mut builder: Builder, _| async move { - let view = runner::random_guaranteed_address().1; - let scanner = GuaranteedScanner::new(view.clone()); - builder.add_payment(view.address(Network::Mainnet, None, None), 5); - (builder.build().unwrap(), scanner) - }, - |_rpc: SRR, block, tx: Transaction, _, mut scanner: GuaranteedScanner| async move { - let output = scanner.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 5); - assert_eq!(output.subaddress(), None); - }, - ), -); - -test!( - scan_guaranteed_subaddress, - ( - |_, mut builder: Builder, _| async move { - let subaddress = SubaddressIndex::new(0, 2).unwrap(); - - let view = runner::random_guaranteed_address().1; - let mut scanner = GuaranteedScanner::new(view.clone()); - scanner.register_subaddress(subaddress); - - builder.add_payment(view.address(Network::Mainnet, Some(subaddress), None), 5); - (builder.build().unwrap(), (scanner, subaddress)) - }, - |_rpc: SRR, block, tx: Tx, _, mut state: (GuaranteedScanner, SubaddressIndex)| async move { - let output = state.0.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 5); - assert_eq!(output.subaddress(), Some(state.1)); - }, - ), -); - -test!( - scan_guaranteed_integrated, - ( - |_, mut builder: Builder, _| async move { - let view = runner::random_guaranteed_address().1; - let scanner = GuaranteedScanner::new(view.clone()); - let mut payment_id = [0u8; 8]; - OsRng.fill_bytes(&mut payment_id); - - builder.add_payment(view.address(Network::Mainnet, None, Some(payment_id)), 5); - (builder.build().unwrap(), (scanner, payment_id)) - }, - |_rpc: SRR, block, tx: Transaction, _, mut state: (GuaranteedScanner, [u8; 8])| async move { - let output = state.0.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 5); - assert_eq!(output.payment_id(), Some(PaymentId::Encrypted(state.1))); - }, - ), -); - -test!( - scan_guaranteed_integrated_subaddress, - ( - |_, mut builder: Builder, _| async move { - let subaddress = SubaddressIndex::new(0, 3).unwrap(); - - let view = runner::random_guaranteed_address().1; - let mut scanner = GuaranteedScanner::new(view.clone()); - scanner.register_subaddress(subaddress); - - let mut payment_id = [0u8; 8]; - OsRng.fill_bytes(&mut payment_id); - - builder.add_payment(view.address(Network::Mainnet, Some(subaddress), Some(payment_id)), 5); - (builder.build().unwrap(), (scanner, payment_id, subaddress)) - }, - |_rpc, block, tx: Tx, _, mut state: (GuaranteedScanner, [u8; 8], SubaddressIndex)| async move { - let output = state.0.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 5); - assert_eq!(output.payment_id(), Some(PaymentId::Encrypted(state.1))); - assert_eq!(output.subaddress(), Some(state.2)); - }, - ), -); diff --git a/networks/monero/wallet/tests/send.rs b/networks/monero/wallet/tests/send.rs deleted file mode 100644 index de225fe1..00000000 --- a/networks/monero/wallet/tests/send.rs +++ /dev/null @@ -1,401 +0,0 @@ -use std::collections::HashSet; - -use rand_core::OsRng; - -use monero_simple_request_rpc::SimpleRequestRpc; -use monero_wallet::{ - ringct::RctType, - transaction::Transaction, - rpc::{ScannableBlock, Rpc}, - address::SubaddressIndex, - extra::Extra, - WalletOutput, OutputWithDecoys, -}; - -mod runner; -use runner::{SignableTransactionBuilder, ring_len}; - -#[allow(clippy::upper_case_acronyms)] -type SRR = SimpleRequestRpc; -type SB = ScannableBlock; - -// Set up inputs, select decoys, then add them to the TX builder -async fn add_inputs( - rct_type: RctType, - rpc: &SimpleRequestRpc, - outputs: Vec, - builder: &mut SignableTransactionBuilder, -) { - for output in outputs { - builder.add_input( - OutputWithDecoys::fingerprintable_deterministic_new( - &mut OsRng, - rpc, - ring_len(rct_type), - rpc.get_height().await.unwrap(), - output, - ) - .await - .unwrap(), - ); - } -} - -test!( - spend_miner_output, - ( - |_, mut builder: Builder, addr| async move { - builder.add_payment(addr, 5); - (builder.build().unwrap(), ()) - }, - |_rpc: SimpleRequestRpc, block, tx: Transaction, mut scanner: Scanner, ()| async move { - let output = scanner.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 5); - }, - ), -); - -test!( - spend_multiple_outputs, - ( - |_, mut builder: Builder, addr| async move { - builder.add_payment(addr, 1000000000000); - builder.add_payment(addr, 2000000000000); - (builder.build().unwrap(), ()) - }, - |_rpc: SimpleRequestRpc, block, tx: Transaction, mut scanner: Scanner, ()| async move { - let mut outputs = scanner.scan(block).unwrap().not_additionally_locked(); - assert_eq!(outputs.len(), 2); - assert_eq!(outputs[0].transaction(), tx.hash()); - assert_eq!(outputs[0].transaction(), tx.hash()); - outputs.sort_by(|x, y| x.commitment().amount.cmp(&y.commitment().amount)); - assert_eq!(outputs[0].commitment().amount, 1000000000000); - assert_eq!(outputs[1].commitment().amount, 2000000000000); - outputs - }, - ), - ( - |rct_type: RctType, rpc, mut builder: Builder, addr, outputs: Vec| async move { - add_inputs(rct_type, &rpc, outputs, &mut builder).await; - builder.add_payment(addr, 6); - (builder.build().unwrap(), ()) - }, - |_rpc: SimpleRequestRpc, block, tx: Transaction, mut scanner: Scanner, ()| async move { - let output = scanner.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 6); - }, - ), -); - -test!( - // Ideally, this would be single_R, yet it isn't feasible to apply allow(non_snake_case) here - single_r_subaddress_send, - ( - // Consume this builder for an output we can use in the future - // This is needed because we can't get the input from the passed in builder - |_, mut builder: Builder, addr| async move { - builder.add_payment(addr, 1000000000000); - (builder.build().unwrap(), ()) - }, - |_rpc: SimpleRequestRpc, block, tx: Transaction, mut scanner: Scanner, ()| async move { - let outputs = scanner.scan(block).unwrap().not_additionally_locked(); - assert_eq!(outputs.len(), 1); - assert_eq!(outputs[0].transaction(), tx.hash()); - assert_eq!(outputs[0].commitment().amount, 1000000000000); - outputs - }, - ), - ( - |rct_type, rpc: SimpleRequestRpc, _, _, outputs: Vec| async move { - use monero_wallet::rpc::FeePriority; - - let view_priv = Zeroizing::new(Scalar::random(&mut OsRng)); - let mut outgoing_view = Zeroizing::new([0; 32]); - OsRng.fill_bytes(outgoing_view.as_mut()); - let change_view = - ViewPair::new(&Scalar::random(&mut OsRng) * ED25519_BASEPOINT_TABLE, view_priv.clone()) - .unwrap(); - - let mut builder = SignableTransactionBuilder::new( - rct_type, - outgoing_view, - Change::new(change_view.clone(), None), - rpc.get_fee_rate(FeePriority::Unimportant).await.unwrap(), - ); - add_inputs(rct_type, &rpc, vec![outputs.first().unwrap().clone()], &mut builder).await; - - // Send to a subaddress - let sub_view = ViewPair::new( - &Scalar::random(&mut OsRng) * ED25519_BASEPOINT_TABLE, - Zeroizing::new(Scalar::random(&mut OsRng)), - ) - .unwrap(); - builder - .add_payment(sub_view.subaddress(Network::Mainnet, SubaddressIndex::new(0, 1).unwrap()), 1); - (builder.build().unwrap(), (change_view, sub_view)) - }, - |_rpc: SRR, block: SB, tx: Transaction, _, views: (ViewPair, ViewPair)| async move { - // Make sure the change can pick up its output - let mut change_scanner = Scanner::new(views.0); - assert!(change_scanner.scan(block.clone()).unwrap().not_additionally_locked().len() == 1); - - // Make sure the subaddress can pick up its output - let mut sub_scanner = Scanner::new(views.1); - sub_scanner.register_subaddress(SubaddressIndex::new(0, 1).unwrap()); - let sub_outputs = sub_scanner.scan(block).unwrap().not_additionally_locked(); - assert!(sub_outputs.len() == 1); - assert_eq!(sub_outputs[0].transaction(), tx.hash()); - assert_eq!(sub_outputs[0].commitment().amount, 1); - assert!(sub_outputs[0].subaddress().unwrap().account() == 0); - assert!(sub_outputs[0].subaddress().unwrap().address() == 1); - - // Make sure only one R was included in TX extra - assert!(Extra::read::<&[u8]>(&mut tx.prefix().extra.as_ref()) - .unwrap() - .keys() - .unwrap() - .1 - .is_none()); - }, - ), -); - -test!( - spend_one_input_to_one_output_plus_change, - ( - |_, mut builder: Builder, addr| async move { - builder.add_payment(addr, 2000000000000); - (builder.build().unwrap(), ()) - }, - |_rpc: SimpleRequestRpc, block, tx: Transaction, mut scanner: Scanner, ()| async move { - let outputs = scanner.scan(block).unwrap().not_additionally_locked(); - assert_eq!(outputs.len(), 1); - assert_eq!(outputs[0].transaction(), tx.hash()); - assert_eq!(outputs[0].commitment().amount, 2000000000000); - outputs - }, - ), - ( - |rct_type: RctType, rpc, mut builder: Builder, addr, outputs: Vec| async move { - add_inputs(rct_type, &rpc, outputs, &mut builder).await; - builder.add_payment(addr, 2); - (builder.build().unwrap(), ()) - }, - |_rpc: SimpleRequestRpc, block, tx: Transaction, mut scanner: Scanner, ()| async move { - let output = scanner.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - assert_eq!(output.commitment().amount, 2); - }, - ), -); - -test!( - spend_max_outputs, - ( - |_, mut builder: Builder, addr| async move { - builder.add_payment(addr, 1000000000000); - (builder.build().unwrap(), ()) - }, - |_rpc: SimpleRequestRpc, block, tx: Transaction, mut scanner: Scanner, ()| async move { - let outputs = scanner.scan(block).unwrap().not_additionally_locked(); - assert_eq!(outputs.len(), 1); - assert_eq!(outputs[0].transaction(), tx.hash()); - assert_eq!(outputs[0].commitment().amount, 1000000000000); - outputs - }, - ), - ( - |rct_type: RctType, rpc, mut builder: Builder, addr, outputs: Vec| async move { - add_inputs(rct_type, &rpc, outputs, &mut builder).await; - - for i in 0 .. 15 { - builder.add_payment(addr, i + 1); - } - (builder.build().unwrap(), ()) - }, - |_rpc: SimpleRequestRpc, block, tx: Transaction, mut scanner: Scanner, ()| async move { - let mut scanned_tx = scanner.scan(block).unwrap().not_additionally_locked(); - - let mut output_amounts = HashSet::new(); - for i in 0 .. 15 { - output_amounts.insert(i + 1); - } - for _ in 0 .. 15 { - let output = scanned_tx.swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - let amount = output.commitment().amount; - assert!(output_amounts.remove(&amount)); - } - assert_eq!(output_amounts.len(), 0); - }, - ), -); - -test!( - spend_max_outputs_to_subaddresses, - ( - |_, mut builder: Builder, addr| async move { - builder.add_payment(addr, 1000000000000); - (builder.build().unwrap(), ()) - }, - |_rpc: SimpleRequestRpc, block, tx: Transaction, mut scanner: Scanner, ()| async move { - let outputs = scanner.scan(block).unwrap().not_additionally_locked(); - assert_eq!(outputs.len(), 1); - assert_eq!(outputs[0].transaction(), tx.hash()); - assert_eq!(outputs[0].commitment().amount, 1000000000000); - outputs - }, - ), - ( - |rct_type: RctType, rpc, mut builder: Builder, _, outputs: Vec| async move { - add_inputs(rct_type, &rpc, outputs, &mut builder).await; - - let view = runner::random_address().1; - let mut scanner = Scanner::new(view.clone()); - - let mut subaddresses = vec![]; - for i in 0 .. 15 { - let subaddress = SubaddressIndex::new(0, i + 1).unwrap(); - scanner.register_subaddress(subaddress); - - builder.add_payment(view.subaddress(Network::Mainnet, subaddress), u64::from(i + 1)); - subaddresses.push(subaddress); - } - - (builder.build().unwrap(), (scanner, subaddresses)) - }, - |_rpc: SimpleRequestRpc, - block, - tx: Transaction, - _, - mut state: (Scanner, Vec)| async move { - use std::collections::HashMap; - - let mut scanned_tx = state.0.scan(block).unwrap().not_additionally_locked(); - - let mut output_amounts_by_subaddress = HashMap::new(); - for i in 0 .. 15 { - output_amounts_by_subaddress.insert(u64::try_from(i + 1).unwrap(), state.1[i]); - } - for _ in 0 .. 15 { - let output = scanned_tx.swap_remove(0); - assert_eq!(output.transaction(), tx.hash()); - let amount = output.commitment().amount; - - assert_eq!( - output.subaddress().unwrap(), - output_amounts_by_subaddress.remove(&amount).unwrap() - ); - } - assert_eq!(output_amounts_by_subaddress.len(), 0); - }, - ), -); - -test!( - spend_one_input_to_two_outputs_no_change, - ( - |_, mut builder: Builder, addr| async move { - builder.add_payment(addr, 1000000000000); - (builder.build().unwrap(), ()) - }, - |_rpc: SimpleRequestRpc, block, tx: Transaction, mut scanner: Scanner, ()| async move { - let outputs = scanner.scan(block).unwrap().not_additionally_locked(); - assert_eq!(outputs.len(), 1); - assert_eq!(outputs[0].transaction(), tx.hash()); - assert_eq!(outputs[0].commitment().amount, 1000000000000); - outputs - }, - ), - ( - |rct_type, rpc: SimpleRequestRpc, _, addr, outputs: Vec| async move { - use monero_wallet::rpc::FeePriority; - - let mut outgoing_view = Zeroizing::new([0; 32]); - OsRng.fill_bytes(outgoing_view.as_mut()); - let mut builder = SignableTransactionBuilder::new( - rct_type, - outgoing_view, - Change::fingerprintable(None), - rpc.get_fee_rate(FeePriority::Unimportant).await.unwrap(), - ); - add_inputs(rct_type, &rpc, vec![outputs.first().unwrap().clone()], &mut builder).await; - builder.add_payment(addr, 10000); - builder.add_payment(addr, 50000); - - (builder.build().unwrap(), ()) - }, - |_rpc: SimpleRequestRpc, block, tx: Transaction, mut scanner: Scanner, ()| async move { - let mut outputs = scanner.scan(block).unwrap().not_additionally_locked(); - assert_eq!(outputs.len(), 2); - assert_eq!(outputs[0].transaction(), tx.hash()); - assert_eq!(outputs[1].transaction(), tx.hash()); - outputs.sort_by(|x, y| x.commitment().amount.cmp(&y.commitment().amount)); - assert_eq!(outputs[0].commitment().amount, 10000); - assert_eq!(outputs[1].commitment().amount, 50000); - - // The remainder should get shunted to fee, which is fingerprintable - let Transaction::V2 { proofs: Some(ref proofs), .. } = tx else { panic!("TX wasn't RingCT") }; - assert_eq!(proofs.base.fee, 1000000000000 - 10000 - 50000); - }, - ), -); - -test!( - subaddress_change, - ( - // Consume this builder for an output we can use in the future - // This is needed because we can't get the input from the passed in builder - |_, mut builder: Builder, addr| async move { - builder.add_payment(addr, 1000000000000); - (builder.build().unwrap(), ()) - }, - |_rpc: SimpleRequestRpc, block, tx: Transaction, mut scanner: Scanner, ()| async move { - let outputs = scanner.scan(block).unwrap().not_additionally_locked(); - assert_eq!(outputs.len(), 1); - assert_eq!(outputs[0].transaction(), tx.hash()); - assert_eq!(outputs[0].commitment().amount, 1000000000000); - outputs - }, - ), - ( - |rct_type, rpc: SimpleRequestRpc, _, _, outputs: Vec| async move { - use monero_wallet::rpc::FeePriority; - - let view_priv = Zeroizing::new(Scalar::random(&mut OsRng)); - let mut outgoing_view = Zeroizing::new([0; 32]); - OsRng.fill_bytes(outgoing_view.as_mut()); - let change_view = - ViewPair::new(&Scalar::random(&mut OsRng) * ED25519_BASEPOINT_TABLE, view_priv.clone()) - .unwrap(); - - let mut builder = SignableTransactionBuilder::new( - rct_type, - outgoing_view, - Change::new(change_view.clone(), Some(SubaddressIndex::new(0, 1).unwrap())), - rpc.get_fee_rate(FeePriority::Unimportant).await.unwrap(), - ); - add_inputs(rct_type, &rpc, vec![outputs.first().unwrap().clone()], &mut builder).await; - - // Send to a random address - let view = ViewPair::new( - &Scalar::random(&mut OsRng) * ED25519_BASEPOINT_TABLE, - Zeroizing::new(Scalar::random(&mut OsRng)), - ) - .unwrap(); - builder.add_payment(view.legacy_address(Network::Mainnet), 1); - (builder.build().unwrap(), change_view) - }, - |_rpc: SimpleRequestRpc, block, _, _, change_view: ViewPair| async move { - // Make sure the change can pick up its output - let mut change_scanner = Scanner::new(change_view); - change_scanner.register_subaddress(SubaddressIndex::new(0, 1).unwrap()); - let outputs = change_scanner.scan(block).unwrap().not_additionally_locked(); - assert!(outputs.len() == 1); - assert!(outputs[0].subaddress().unwrap().account() == 0); - assert!(outputs[0].subaddress().unwrap().address() == 1); - }, - ), -); diff --git a/networks/monero/wallet/tests/wallet2_compatibility.rs b/networks/monero/wallet/tests/wallet2_compatibility.rs deleted file mode 100644 index f9e2a5cd..00000000 --- a/networks/monero/wallet/tests/wallet2_compatibility.rs +++ /dev/null @@ -1,361 +0,0 @@ -use rand_core::{OsRng, RngCore}; - -use serde::Deserialize; -use serde_json::json; - -use monero_simple_request_rpc::SimpleRequestRpc; -use monero_wallet::{ - transaction::Transaction, - rpc::{FeePriority, Rpc}, - address::{Network, SubaddressIndex, MoneroAddress}, - extra::{MAX_ARBITRARY_DATA_SIZE, Extra, PaymentId}, - Scanner, -}; - -mod runner; - -#[derive(Clone, Copy, PartialEq, Eq)] -enum AddressSpec { - Legacy, - LegacyIntegrated([u8; 8]), - Subaddress(SubaddressIndex), -} - -#[derive(Deserialize, Debug)] -struct EmptyResponse {} - -async fn make_integrated_address(rpc: &SimpleRequestRpc, payment_id: [u8; 8]) -> String { - #[derive(Debug, Deserialize)] - struct IntegratedAddressResponse { - integrated_address: String, - } - - let res = rpc - .json_rpc_call::( - "make_integrated_address", - Some(json!({ "payment_id": hex::encode(payment_id) })), - ) - .await - .unwrap(); - - res.integrated_address -} - -async fn initialize_rpcs() -> (SimpleRequestRpc, SimpleRequestRpc, MoneroAddress) { - let wallet_rpc = SimpleRequestRpc::new("http://127.0.0.1:18082".to_string()).await.unwrap(); - let daemon_rpc = runner::rpc().await; - - #[derive(Debug, Deserialize)] - struct AddressResponse { - address: String, - } - - let mut wallet_id = [0; 8]; - OsRng.fill_bytes(&mut wallet_id); - let _: EmptyResponse = wallet_rpc - .json_rpc_call( - "create_wallet", - Some(json!({ "filename": hex::encode(wallet_id), "language": "English" })), - ) - .await - .unwrap(); - - let address: AddressResponse = - wallet_rpc.json_rpc_call("get_address", Some(json!({ "account_index": 0 }))).await.unwrap(); - - // Fund the new wallet - let address = MoneroAddress::from_str(Network::Mainnet, &address.address).unwrap(); - daemon_rpc.generate_blocks(&address, 70).await.unwrap(); - - (wallet_rpc, daemon_rpc, address) -} - -async fn from_wallet_rpc_to_self(spec: AddressSpec) { - // initialize rpc - let (wallet_rpc, daemon_rpc, wallet_rpc_addr) = initialize_rpcs().await; - - // make an addr - let (_, view_pair, _) = runner::random_address(); - let addr = match spec { - AddressSpec::Legacy => view_pair.legacy_address(Network::Mainnet), - AddressSpec::LegacyIntegrated(payment_id) => { - view_pair.legacy_integrated_address(Network::Mainnet, payment_id) - } - AddressSpec::Subaddress(index) => view_pair.subaddress(Network::Mainnet, index), - }; - - // refresh & make a tx - let _: EmptyResponse = wallet_rpc.json_rpc_call("refresh", None).await.unwrap(); - - #[derive(Debug, Deserialize)] - struct TransferResponse { - tx_hash: String, - } - let tx: TransferResponse = wallet_rpc - .json_rpc_call( - "transfer", - Some(json!({ - "destinations": [{"address": addr.to_string(), "amount": 1_000_000_000_000u64 }], - })), - ) - .await - .unwrap(); - let tx_hash = hex::decode(tx.tx_hash).unwrap().try_into().unwrap(); - - let fee_rate = daemon_rpc.get_fee_rate(FeePriority::Unimportant).await.unwrap(); - - // unlock it - let block = runner::mine_until_unlocked(&daemon_rpc, &wallet_rpc_addr, tx_hash).await; - let block = daemon_rpc.get_scannable_block(block).await.unwrap(); - - // Create the scanner - let mut scanner = Scanner::new(view_pair); - if let AddressSpec::Subaddress(index) = spec { - scanner.register_subaddress(index); - } - - // Retrieve it and scan it - let output = scanner.scan(block).unwrap().not_additionally_locked().swap_remove(0); - assert_eq!(output.transaction(), tx_hash); - - runner::check_weight_and_fee(&daemon_rpc.get_transaction(tx_hash).await.unwrap(), fee_rate); - - match spec { - AddressSpec::Subaddress(index) => { - assert_eq!(output.subaddress(), Some(index)); - assert_eq!(output.payment_id(), Some(PaymentId::Encrypted([0u8; 8]))); - } - AddressSpec::LegacyIntegrated(payment_id) => { - assert_eq!(output.payment_id(), Some(PaymentId::Encrypted(payment_id))); - assert_eq!(output.subaddress(), None); - } - AddressSpec::Legacy => { - assert_eq!(output.subaddress(), None); - assert_eq!(output.payment_id(), Some(PaymentId::Encrypted([0u8; 8]))); - } - } - assert_eq!(output.commitment().amount, 1000000000000); -} - -async_sequential!( - async fn receipt_of_wallet_rpc_tx_standard() { - from_wallet_rpc_to_self(AddressSpec::Legacy).await; - } - - async fn receipt_of_wallet_rpc_tx_subaddress() { - from_wallet_rpc_to_self(AddressSpec::Subaddress(SubaddressIndex::new(0, 1).unwrap())).await; - } - - async fn receipt_of_wallet_rpc_tx_integrated() { - let mut payment_id = [0u8; 8]; - OsRng.fill_bytes(&mut payment_id); - from_wallet_rpc_to_self(AddressSpec::LegacyIntegrated(payment_id)).await; - } -); - -#[derive(PartialEq, Eq, Debug, Deserialize)] -struct Index { - major: u32, - minor: u32, -} - -#[derive(Debug, Deserialize)] -struct Transfer { - payment_id: String, - subaddr_index: Index, - amount: u64, -} - -#[derive(Debug, Deserialize)] -struct TransfersResponse { - transfer: Transfer, - transfers: Vec, -} - -test!( - send_to_wallet_rpc_standard, - ( - |_, mut builder: Builder, _| async move { - // initialize rpc - let (wallet_rpc, _, wallet_rpc_addr) = initialize_rpcs().await; - - // add destination - builder.add_payment(wallet_rpc_addr, 1000000); - (builder.build().unwrap(), wallet_rpc) - }, - |_, _, tx: Transaction, _, data: SimpleRequestRpc| async move { - // confirm receipt - let _: EmptyResponse = data.json_rpc_call("refresh", None).await.unwrap(); - let transfer: TransfersResponse = data - .json_rpc_call("get_transfer_by_txid", Some(json!({ "txid": hex::encode(tx.hash()) }))) - .await - .unwrap(); - assert_eq!(transfer.transfer.subaddr_index, Index { major: 0, minor: 0 }); - assert_eq!(transfer.transfer.amount, 1000000); - assert_eq!(transfer.transfer.payment_id, hex::encode([0u8; 8])); - }, - ), -); - -test!( - send_to_wallet_rpc_subaddress, - ( - |_, mut builder: Builder, _| async move { - // initialize rpc - let (wallet_rpc, _, _) = initialize_rpcs().await; - - // make the subaddress - #[derive(Debug, Deserialize)] - struct AccountResponse { - address: String, - account_index: u32, - } - let addr: AccountResponse = wallet_rpc.json_rpc_call("create_account", None).await.unwrap(); - assert!(addr.account_index != 0); - - builder - .add_payment(MoneroAddress::from_str(Network::Mainnet, &addr.address).unwrap(), 1000000); - (builder.build().unwrap(), (wallet_rpc, addr.account_index)) - }, - |_, _, tx: Transaction, _, data: (SimpleRequestRpc, u32)| async move { - // confirm receipt - let _: EmptyResponse = data.0.json_rpc_call("refresh", None).await.unwrap(); - let transfer: TransfersResponse = data - .0 - .json_rpc_call( - "get_transfer_by_txid", - Some(json!({ "txid": hex::encode(tx.hash()), "account_index": data.1 })), - ) - .await - .unwrap(); - assert_eq!(transfer.transfer.subaddr_index, Index { major: data.1, minor: 0 }); - assert_eq!(transfer.transfer.amount, 1000000); - assert_eq!(transfer.transfer.payment_id, hex::encode([0u8; 8])); - - // Make sure only one R was included in TX extra - assert!(Extra::read::<&[u8]>(&mut tx.prefix().extra.as_ref()) - .unwrap() - .keys() - .unwrap() - .1 - .is_none()); - }, - ), -); - -test!( - send_to_wallet_rpc_subaddresses, - ( - |_, mut builder: Builder, _| async move { - // initialize rpc - let (wallet_rpc, daemon_rpc, _) = initialize_rpcs().await; - - // make the subaddress - #[derive(Debug, Deserialize)] - struct AddressesResponse { - addresses: Vec, - address_index: u32, - } - let addrs: AddressesResponse = wallet_rpc - .json_rpc_call("create_address", Some(json!({ "account_index": 0, "count": 2 }))) - .await - .unwrap(); - assert!(addrs.address_index != 0); - assert!(addrs.addresses.len() == 2); - - builder.add_payments(&[ - (MoneroAddress::from_str(Network::Mainnet, &addrs.addresses[0]).unwrap(), 1000000), - (MoneroAddress::from_str(Network::Mainnet, &addrs.addresses[1]).unwrap(), 2000000), - ]); - (builder.build().unwrap(), (wallet_rpc, daemon_rpc, addrs.address_index)) - }, - |_, _, tx: Transaction, _, data: (SimpleRequestRpc, SimpleRequestRpc, u32)| async move { - // confirm receipt - let _: EmptyResponse = data.0.json_rpc_call("refresh", None).await.unwrap(); - let transfer: TransfersResponse = data - .0 - .json_rpc_call( - "get_transfer_by_txid", - Some(json!({ "txid": hex::encode(tx.hash()), "account_index": 0 })), - ) - .await - .unwrap(); - - assert_eq!(transfer.transfers.len(), 2); - for t in transfer.transfers { - match t.amount { - 1000000 => assert_eq!(t.subaddr_index, Index { major: 0, minor: data.2 }), - 2000000 => assert_eq!(t.subaddr_index, Index { major: 0, minor: data.2 + 1 }), - _ => unreachable!(), - } - } - - // Make sure 3 additional pub keys are included in TX extra - let keys = - Extra::read::<&[u8]>(&mut tx.prefix().extra.as_ref()).unwrap().keys().unwrap().1.unwrap(); - - assert_eq!(keys.len(), 3); - }, - ), -); - -test!( - send_to_wallet_rpc_integrated, - ( - |_, mut builder: Builder, _| async move { - // initialize rpc - let (wallet_rpc, _, _) = initialize_rpcs().await; - - // make the addr - let mut payment_id = [0u8; 8]; - OsRng.fill_bytes(&mut payment_id); - let addr = make_integrated_address(&wallet_rpc, payment_id).await; - - builder.add_payment(MoneroAddress::from_str(Network::Mainnet, &addr).unwrap(), 1000000); - (builder.build().unwrap(), (wallet_rpc, payment_id)) - }, - |_, _, tx: Transaction, _, data: (SimpleRequestRpc, [u8; 8])| async move { - // confirm receipt - let _: EmptyResponse = data.0.json_rpc_call("refresh", None).await.unwrap(); - let transfer: TransfersResponse = data - .0 - .json_rpc_call("get_transfer_by_txid", Some(json!({ "txid": hex::encode(tx.hash()) }))) - .await - .unwrap(); - assert_eq!(transfer.transfer.subaddr_index, Index { major: 0, minor: 0 }); - assert_eq!(transfer.transfer.payment_id, hex::encode(data.1)); - assert_eq!(transfer.transfer.amount, 1000000); - }, - ), -); - -test!( - send_to_wallet_rpc_with_arb_data, - ( - |_, mut builder: Builder, _| async move { - // initialize rpc - let (wallet_rpc, _, wallet_rpc_addr) = initialize_rpcs().await; - - // add destination - builder.add_payment(wallet_rpc_addr, 1000000); - - // Make 2 data that is the full 255 bytes - for _ in 0 .. 2 { - let data = vec![b'a'; MAX_ARBITRARY_DATA_SIZE]; - builder.add_data(data).unwrap(); - } - - (builder.build().unwrap(), wallet_rpc) - }, - |_, _, tx: Transaction, _, data: SimpleRequestRpc| async move { - // confirm receipt - let _: EmptyResponse = data.json_rpc_call("refresh", None).await.unwrap(); - let transfer: TransfersResponse = data - .json_rpc_call("get_transfer_by_txid", Some(json!({ "txid": hex::encode(tx.hash()) }))) - .await - .unwrap(); - assert_eq!(transfer.transfer.subaddr_index, Index { major: 0, minor: 0 }); - assert_eq!(transfer.transfer.amount, 1000000); - }, - ), -); diff --git a/processor/Cargo.toml b/processor/Cargo.toml index 9d29bc7c..e881a85e 100644 --- a/processor/Cargo.toml +++ b/processor/Cargo.toml @@ -52,8 +52,8 @@ ethereum-serai = { path = "../networks/ethereum", default-features = false, opti # Monero dalek-ff-group = { path = "../crypto/dalek-ff-group", default-features = false, features = ["std"], optional = true } -monero-simple-request-rpc = { path = "../networks/monero/rpc/simple-request", default-features = false, optional = true } -monero-wallet = { path = "../networks/monero/wallet", default-features = false, features = ["std", "multisig", "compile-time-generators"], optional = true } +monero-simple-request-rpc = { git = "https://github.com/monero-oxide/monero-oxide", rev = "f19b0f57fe7cbbd643b51091c63de29afb0976e4", default-features = false, optional = true } +monero-wallet = { git = "https://github.com/monero-oxide/monero-oxide", rev = "f19b0f57fe7cbbd643b51091c63de29afb0976e4", default-features = false, features = ["std", "multisig", "compile-time-generators"], optional = true } # Application log = { version = "0.4", default-features = false, features = ["std"] } diff --git a/substrate/client/Cargo.toml b/substrate/client/Cargo.toml index 2186b26c..80ca60eb 100644 --- a/substrate/client/Cargo.toml +++ b/substrate/client/Cargo.toml @@ -39,7 +39,7 @@ simple-request = { path = "../../common/request", version = "0.1", optional = tr bitcoin = { version = "0.32", optional = true } ciphersuite = { path = "../../crypto/ciphersuite", version = "0.4", optional = true } -monero-wallet = { path = "../../networks/monero/wallet", version = "0.1.0", default-features = false, features = ["std"], optional = true } +monero-wallet = { git = "https://github.com/monero-oxide/monero-oxide", rev = "f19b0f57fe7cbbd643b51091c63de29afb0976e4", version = "0.1.0", default-features = false, features = ["std"], optional = true } [dev-dependencies] rand_core = "0.6" diff --git a/tests/full-stack/Cargo.toml b/tests/full-stack/Cargo.toml index 12af01bd..ddcbbbdc 100644 --- a/tests/full-stack/Cargo.toml +++ b/tests/full-stack/Cargo.toml @@ -27,8 +27,8 @@ rand_core = { version = "0.6", default-features = false } curve25519-dalek = { version = "4", features = ["rand_core"] } bitcoin-serai = { path = "../../networks/bitcoin" } -monero-simple-request-rpc = { path = "../../networks/monero/rpc/simple-request" } -monero-wallet = { path = "../../networks/monero/wallet" } +monero-simple-request-rpc = { git = "https://github.com/monero-oxide/monero-oxide", rev = "f19b0f57fe7cbbd643b51091c63de29afb0976e4" } +monero-wallet = { git = "https://github.com/monero-oxide/monero-oxide", rev = "f19b0f57fe7cbbd643b51091c63de29afb0976e4" } scale = { package = "parity-scale-codec", version = "3" } serde = "1" diff --git a/tests/no-std/Cargo.toml b/tests/no-std/Cargo.toml index 16ca5d24..36ba85f4 100644 --- a/tests/no-std/Cargo.toml +++ b/tests/no-std/Cargo.toml @@ -34,5 +34,3 @@ dkg = { path = "../../crypto/dkg", default-features = false } # frost-schnorrkel = { path = "../../crypto/schnorrkel", default-features = false } bitcoin-serai = { path = "../../networks/bitcoin", default-features = false, features = ["hazmat"] } - -monero-wallet = { path = "../../networks/monero/wallet", default-features = false, features = ["compile-time-generators"] } diff --git a/tests/no-std/src/lib.rs b/tests/no-std/src/lib.rs index f1824050..8339da2e 100644 --- a/tests/no-std/src/lib.rs +++ b/tests/no-std/src/lib.rs @@ -19,5 +19,3 @@ pub use frost_schnorrkel; */ pub use bitcoin_serai; - -pub use monero_wallet; diff --git a/tests/processor/Cargo.toml b/tests/processor/Cargo.toml index 8817b0c9..395bcad8 100644 --- a/tests/processor/Cargo.toml +++ b/tests/processor/Cargo.toml @@ -31,8 +31,8 @@ bitcoin-serai = { path = "../../networks/bitcoin" } k256 = "0.13" ethereum-serai = { path = "../../networks/ethereum" } -monero-simple-request-rpc = { path = "../../networks/monero/rpc/simple-request" } -monero-wallet = { path = "../../networks/monero/wallet" } +monero-simple-request-rpc = { git = "https://github.com/monero-oxide/monero-oxide", rev = "f19b0f57fe7cbbd643b51091c63de29afb0976e4" } +monero-wallet = { git = "https://github.com/monero-oxide/monero-oxide", rev = "f19b0f57fe7cbbd643b51091c63de29afb0976e4" } messages = { package = "serai-processor-messages", path = "../../processor/messages" }