Remove workaround for lack of musl-dev now that musl-dev is provided in Rust Alpine images

Additionally, optimizes the build process a bit via leaving only the runtime
(and `busybox`) in the final image, and additionally building the runtime
without `std` (as we solely need the WASM blob from this process).

.github/LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) 2022-2023 Luke Parker
+Copyright (c) 2022-2025 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

.github/actions/bitcoin/action.yml

@@ -5,14 +5,14 @@ inputs:
   version:
     description: "Version to download and run"
     required: false
-    default: 24.0.1
+    default: "30.0"
 
 runs:
   using: "composite"
   steps:
     - name: Bitcoin Daemon Cache
       id: cache-bitcoind
-      uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2
+      uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # 4.2.4
       with:
         path: bitcoin.tar.gz
         key: bitcoind-${{ runner.os }}-${{ runner.arch }}-${{ inputs.version }}
@@ -37,4 +37,4 @@ runs:
 
     - name: Bitcoin Regtest Daemon
       shell: bash
-      run: PATH=$PATH:/usr/bin ./orchestration/dev/coins/bitcoin/run.sh -daemon
+      run: PATH=$PATH:/usr/bin ./orchestration/dev/networks/bitcoin/run.sh -txindex -daemon

.github/actions/build-dependencies/action.yml

@@ -7,13 +7,20 @@ runs:
     - name: Remove unused packages
       shell: bash
       run: |
-        sudo apt remove -y "*msbuild*" "*powershell*" "*nuget*" "*bazel*" "*ansible*" "*terraform*" "*heroku*" "*aws*" azure-cli
+        # Ensure the repositories are synced
+        sudo apt update -y
+
+        # Actually perform the removals
+        sudo apt remove -y "*powershell*" "*nuget*" "*bazel*" "*ansible*" "*terraform*" "*heroku*" "*aws*" azure-cli
         sudo apt remove -y "*nodejs*" "*npm*" "*yarn*" "*java*" "*kotlin*" "*golang*" "*swift*" "*julia*" "*fortran*" "*android*"
         sudo apt remove -y "*apache2*" "*nginx*" "*firefox*" "*chromium*" "*chrome*" "*edge*"
+
+        sudo apt remove -y --allow-remove-essential -f shim-signed *python3*
+        # This removal command requires the prior removals due to unmet dependencies otherwise
         sudo apt remove -y "*qemu*" "*sql*" "*texinfo*" "*imagemagick*"
-        sudo apt autoremove -y
-        sudo apt clean
-        docker system prune -a --volumes
+
+        # Reinstall python3 as a general dependency of a functional operating system
+        sudo apt install -y python3 --fix-missing
       if: runner.os == 'Linux'
 
     - name: Remove unused packages
@@ -31,19 +38,45 @@ runs:
       shell: bash
       run: |
         if [ "$RUNNER_OS" == "Linux" ]; then
-          sudo apt install -y ca-certificates protobuf-compiler
+          sudo apt install -y ca-certificates protobuf-compiler libclang-dev
         elif [ "$RUNNER_OS" == "Windows" ]; then
           choco install protoc
         elif [ "$RUNNER_OS" == "macOS" ]; then
-          brew install protobuf
+          brew install protobuf llvm
+          HOMEBREW_ROOT_PATH=/opt/homebrew # Apple Silicon
+          if [ $(uname -m) = "x86_64" ]; then HOMEBREW_ROOT_PATH=/usr/local; fi # Intel
+          ls $HOMEBREW_ROOT_PATH/opt/llvm/lib | grep "libclang.dylib" # Make sure this installed `libclang`
+          echo "DYLD_LIBRARY_PATH=$HOMEBREW_ROOT_PATH/opt/llvm/lib:$DYLD_LIBRARY_PATH" >> "$GITHUB_ENV"
         fi
 
     - name: Install solc
       shell: bash
       run: |
-        cargo install svm-rs
-        svm install 0.8.25
-        svm use 0.8.25
+        cargo +1.91.1 install svm-rs --version =0.5.22
+        svm install 0.8.29
+        svm use 0.8.29
 
-    # - name: Cache Rust
-    #   uses: Swatinem/rust-cache@a95ba195448af2da9b00fb742d14ffaaf3c21f43
+    - name: Remove preinstalled Docker
+      shell: bash
+      run: |
+        docker system prune -a --volumes
+        sudo apt remove -y *docker*
+        # Install uidmap which will be required for the explicitly installed Docker
+        sudo apt install uidmap
+      if: runner.os == 'Linux'
+
+    - name: Update system dependencies
+      shell: bash
+      run: |
+        sudo apt update -y
+        sudo apt upgrade -y
+        sudo apt autoremove -y
+        sudo apt clean
+      if: runner.os == 'Linux'
+
+    - name: Install rootless Docker
+      uses: docker/setup-docker-action@e61617a16c407a86262fb923c35a616ddbe070b3 # 4.6.0
+      with:
+        rootless: true
+        set-host: true
+      if: runner.os == 'Linux'

.github/actions/monero-wallet-rpc/action.yml

@@ -5,14 +5,14 @@ inputs:
   version:
     description: "Version to download and run"
     required: false
-    default: v0.18.3.1
+    default: v0.18.4.4
 
 runs:
   using: "composite"
   steps:
     - name: Monero Wallet RPC Cache
       id: cache-monero-wallet-rpc
-      uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2
+      uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # 4.2.4
       with:
         path: monero-wallet-rpc
         key: monero-wallet-rpc-${{ runner.os }}-${{ runner.arch }}-${{ inputs.version }}

.github/actions/monero/action.yml

@@ -5,14 +5,14 @@ inputs:
   version:
     description: "Version to download and run"
     required: false
-    default: v0.18.3.1
+    default: v0.18.4.4
 
 runs:
   using: "composite"
   steps:
     - name: Monero Daemon Cache
       id: cache-monerod
-      uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2
+      uses: actions/cache@0400d5f644dc74513175e3cd8d07132dd4860809 # 4.2.4
       with:
         path: /usr/bin/monerod
         key: monerod-${{ runner.os }}-${{ runner.arch }}-${{ inputs.version }}
@@ -43,4 +43,4 @@ runs:
 
     - name: Monero Regtest Daemon
       shell: bash
-      run: PATH=$PATH:/usr/bin ./orchestration/dev/coins/monero/run.sh --detach
+      run: PATH=$PATH:/usr/bin ./orchestration/dev/networks/monero/run.sh --detach

.github/actions/test-dependencies/action.yml

@@ -5,12 +5,12 @@ inputs:
   monero-version:
     description: "Monero version to download and run as a regtest node"
     required: false
-    default: v0.18.3.1
+    default: v0.18.4.4
 
   bitcoin-version:
     description: "Bitcoin version to download and run as a regtest node"
     required: false
-    default: 24.0.1
+    default: "30.0"
 
 runs:
   using: "composite"
@@ -19,9 +19,9 @@ runs:
       uses: ./.github/actions/build-dependencies
 
     - name: Install Foundry
-      uses: foundry-rs/foundry-toolchain@cb603ca0abb544f301eaed59ac0baf579aa6aecf
+      uses: foundry-rs/foundry-toolchain@50d5a8956f2e319df19e6b57539d7e2acb9f8c1e # 1.5.0
       with:
-        version: nightly-09fe3e041369a816365a020f715ad6f94dbce9f2
+        version: v1.5.0
         cache: false
 
     - name: Run a Monero Regtest Node

.github/nightly-version

@@ -1 +1 @@
-nightly-2024-02-07
+nightly-2025-12-01

.github/workflows/common-tests.yml

@@ -17,7 +17,7 @@ jobs:
   test-common:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Build Dependencies
         uses: ./.github/actions/build-dependencies
@@ -27,5 +27,8 @@ jobs:
           GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features \
             -p std-shims \
             -p zalloc \
+            -p patchable-async-sleep \
             -p serai-db \
-            -p serai-env
+            -p serai-env \
+            -p serai-task \
+            -p simple-request

.github/workflows/coordinator-tests.yml

@@ -7,7 +7,7 @@ on:
     paths:
       - "common/**"
       - "crypto/**"
-      - "coins/**"
+      - "networks/**"
       - "message-queue/**"
       - "coordinator/**"
       - "orchestration/**"
@@ -18,7 +18,7 @@ on:
     paths:
       - "common/**"
       - "crypto/**"
-      - "coins/**"
+      - "networks/**"
       - "message-queue/**"
       - "coordinator/**"
       - "orchestration/**"
@@ -31,10 +31,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Install Build Dependencies
         uses: ./.github/actions/build-dependencies
 
       - name: Run coordinator Docker tests
-        run: cd tests/coordinator && GITHUB_CI=true RUST_BACKTRACE=1 cargo test
+        run: GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features -p serai-coordinator-tests

.github/workflows/crypto-tests.yml

@@ -19,7 +19,7 @@ jobs:
   test-crypto:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Build Dependencies
         uses: ./.github/actions/build-dependencies
@@ -32,9 +32,17 @@ jobs:
             -p dalek-ff-group \
             -p minimal-ed448 \
             -p ciphersuite \
+            -p ciphersuite-kp256 \
             -p multiexp \
             -p schnorr-signatures \
-            -p dleq \
+            -p prime-field \
+            -p short-weierstrass \
+            -p secq256k1 \
+            -p embedwards25519 \
             -p dkg \
+            -p dkg-recovery \
+            -p dkg-dealer \
+            -p dkg-musig \
+            -p dkg-evrf \
             -p modular-frost \
             -p frost-schnorrkel

.github/workflows/daily-deny.yml

@@ -9,16 +9,10 @@ jobs:
     name: Run cargo deny
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
-
-      - name: Advisory Cache
-        uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2
-        with:
-          path: ~/.cargo/advisory-db
-          key: rust-advisory-db
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Install cargo deny
-        run: cargo install --locked cargo-deny
+        run: cargo +1.91.1 install cargo-deny --version =0.18.8
 
       - name: Run cargo deny
-        run: cargo deny -L error --all-features check
+        run: cargo deny -L error --all-features check --hide-inclusion-graph

.github/workflows/full-stack-tests.yml

@@ -13,10 +13,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Install Build Dependencies
         uses: ./.github/actions/build-dependencies
 
       - name: Run Full Stack Docker tests
-        run: cd tests/full-stack && GITHUB_CI=true RUST_BACKTRACE=1 cargo test
+        run: GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features -p serai-full-stack-tests

.github/workflows/lint.yml

@@ -11,11 +11,11 @@ jobs:
   clippy:
     strategy:
       matrix:
-        os: [ubuntu-latest, macos-13, macos-14, windows-latest]
+        os: [ubuntu-latest, macos-15-intel, macos-latest, windows-latest]
     runs-on: ${{ matrix.os }}
 
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Get nightly version to use
         id: nightly
@@ -26,7 +26,7 @@ jobs:
         uses: ./.github/actions/build-dependencies
 
       - name: Install nightly rust
-        run: rustup toolchain install ${{ steps.nightly.outputs.version }} --profile minimal -t wasm32-unknown-unknown -c clippy
+        run: rustup toolchain install ${{ steps.nightly.outputs.version }} --profile minimal -t wasm32v1-none -c clippy
 
       - name: Run Clippy
         run: cargo +${{ steps.nightly.outputs.version }} clippy --all-features --all-targets -- -D warnings -A clippy::items_after_test_module
@@ -43,24 +43,18 @@ jobs:
   deny:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
-
-      - name: Advisory Cache
-        uses: actions/cache@13aacd865c20de90d75de3b17ebe84f7a17d57d2
-        with:
-          path: ~/.cargo/advisory-db
-          key: rust-advisory-db
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Install cargo deny
-        run: cargo install --locked cargo-deny
+        run: cargo +1.91.1 install cargo-deny --version =0.18.8
 
       - name: Run cargo deny
-        run: cargo deny -L error --all-features check
+        run: cargo deny -L error --all-features check --hide-inclusion-graph
 
   fmt:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Get nightly version to use
         id: nightly
@@ -73,11 +67,137 @@ jobs:
       - name: Run rustfmt
         run: cargo +${{ steps.nightly.outputs.version }} fmt -- --check
 
+      - name: Install Foundry
+        uses: foundry-rs/foundry-toolchain@50d5a8956f2e319df19e6b57539d7e2acb9f8c1e # 1.5.0
+        with:
+          version: v1.5.0
+          cache: false
+
+      - name: Run forge fmt
+        run: FOUNDRY_FMT_SORT_INPUTS=false FOUNDRY_FMT_LINE_LENGTH=100 FOUNDRY_FMT_TAB_WIDTH=2 FOUNDRY_FMT_BRACKET_SPACING=true FOUNDRY_FMT_INT_TYPES=preserve forge fmt --check $(find . -iname "*.sol")
+
   machete:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
       - name: Verify all dependencies are in use
         run: |
-          cargo install cargo-machete
-          cargo machete
+          cargo +1.91.1 install cargo-machete --version =0.9.1
+          cargo +1.91.1 machete
+
+  msrv:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
+      - name: Verify claimed `rust-version`
+        shell: bash
+        run: |
+          cargo +1.91.1 install cargo-msrv --version =0.18.4
+
+          function check_msrv {
+            # We `cd` into the directory passed as the first argument, but will return to the
+            # directory called from.
+            return_to=$(pwd)
+            echo "Checking $1"
+            cd $1
+
+            # We then find the existing `rust-version` using `grep` (for the right line) and then a
+            # regex (to strip to just the major and minor version).
+            existing=$(cat ./Cargo.toml | grep "rust-version" | grep -Eo "[0-9]+\.[0-9]+")
+
+            # We then backup the `Cargo.toml`, allowing us to restore it after, saving time on future
+            # MSRV checks (as they'll benefit from immediately exiting if the queried version is less
+            # than the declared MSRV).
+            mv ./Cargo.toml ./Cargo.toml.bak
+
+            # We then use an inverted (`-v`) grep to remove the existing `rust-version` from the
+            # `Cargo.toml`, as required because else earlier versions of Rust won't even attempt to
+            # compile this crate.
+            cat ./Cargo.toml.bak | grep -v "rust-version" > Cargo.toml
+
+            # We then find the actual `rust-version` using `cargo-msrv` (again stripping to just the
+            # major and minor version).
+            actual=$(cargo msrv find --output-format minimal | grep -Eo "^[0-9]+\.[0-9]+")
+
+            # Finally, we compare the two.
+            echo "Declared rust-version: $existing"
+            echo "Actual rust-version: $actual"
+            [ $existing == $actual ]
+            result=$?
+
+            # Restore the original `Cargo.toml`.
+            rm Cargo.toml
+            mv ./Cargo.toml.bak ./Cargo.toml
+
+            # Return to the directory called from and return the result.
+            cd $return_to
+            return $result
+          }
+
+          # Check each member of the workspace
+          function check_workspace {
+            # Get the members array from the workspace's `Cargo.toml`
+            cargo_toml_lines=$(cat ./Cargo.toml | wc -l)
+            # Keep all lines after the start of the array, then keep all lines before the next "]"
+            members=$(cat Cargo.toml | grep "members\ \=\ \[" -m1 -A$cargo_toml_lines | grep "]" -m1 -B$cargo_toml_lines)
+
+            # Parse out any comments, whitespace, including comments post-fixed on the same line as an entry
+            # We accomplish the latter by pruning all characters after the entry's ","
+            members=$(echo "$members" | grep -Ev "^[[:space:]]*(#|$)" | awk -F',' '{print $1","}')
+            # Replace the first line, which was "members = [" and is now "members = [,", with "["
+            members=$(echo "$members" | sed "1s/.*/\[/")
+            # Correct the last line, which was malleated to "],"
+            members=$(echo "$members" | sed "$(echo "$members" | wc -l)s/\]\,/\]/")
+
+            # Don't check the following
+            # Most of these are binaries, with the exception of the Substrate runtime which has a
+            # bespoke build pipeline
+            members=$(echo "$members" | grep -v "networks/ethereum/relayer\"")
+            members=$(echo "$members" | grep -v "message-queue\"")
+            members=$(echo "$members" | grep -v "processor/bin\"")
+            members=$(echo "$members" | grep -v "processor/bitcoin\"")
+            members=$(echo "$members" | grep -v "processor/ethereum\"")
+            members=$(echo "$members" | grep -v "processor/monero\"")
+            members=$(echo "$members" | grep -v "coordinator\"")
+            members=$(echo "$members" | grep -v "substrate/runtime\"")
+            members=$(echo "$members" | grep -v "substrate/node\"")
+            members=$(echo "$members" | grep -v "orchestration\"")
+
+            # Don't check the tests
+            members=$(echo "$members" | grep -v "mini\"")
+            members=$(echo "$members" | grep -v "tests/")
+
+            # Remove the trailing comma by replacing the last line's "," with ""
+            members=$(echo "$members" | sed "$(($(echo "$members" | wc -l) - 1))s/\,//")
+
+            echo $members | jq -r ".[]" | while read -r member; do
+              check_msrv $member
+              correct=$?
+              if [ $correct -ne 0 ]; then
+                return $correct
+              fi
+            done
+          }
+          check_workspace
+
+  slither:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
+
+      - name: Build Dependencies
+        uses: ./.github/actions/build-dependencies
+
+      - name: Slither
+        run: |
+          python3 -m pip install slither-analyzer==0.11.3
+
+          slither ./networks/ethereum/schnorr/contracts/Schnorr.sol
+          slither --include-paths ./networks/ethereum/schnorr/contracts ./networks/ethereum/schnorr/contracts/tests/Schnorr.sol
+          slither processor/ethereum/deployer/contracts/Deployer.sol
+          slither processor/ethereum/erc20/contracts/IERC20.sol
+
+          cp networks/ethereum/schnorr/contracts/Schnorr.sol processor/ethereum/router/contracts/
+          cp processor/ethereum/erc20/contracts/IERC20.sol processor/ethereum/router/contracts/
+          cd processor/ethereum/router/contracts
+          slither Router.sol

.github/workflows/message-queue-tests.yml

@@ -27,10 +27,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Install Build Dependencies
         uses: ./.github/actions/build-dependencies
 
       - name: Run message-queue Docker tests
-        run: cd tests/message-queue && GITHUB_CI=true RUST_BACKTRACE=1 cargo test
+        run: GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features -p serai-message-queue-tests

.github/workflows/mini-tests.yml

@@ -17,7 +17,7 @@ jobs:
   test-common:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Build Dependencies
         uses: ./.github/actions/build-dependencies

.github/workflows/monero-tests.yaml

@@ -1,56 +0,0 @@
-name: Monero Tests
-
-on:
-  push:
-    branches:
-      - develop
-    paths:
-      - "coins/monero/**"
-      - "processor/**"
-
-  pull_request:
-    paths:
-      - "coins/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-serai --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, v0.18.2.0]
-
-    steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
-
-      - name: Test Dependencies
-        uses: ./.github/actions/test-dependencies
-        with:
-          monero-version: ${{ matrix.version }}
-
-      - name: Run Integration Tests Without Features
-        # Runs with the binaries feature so the binaries build
-        # https://github.com/rust-lang/cargo/issues/8396
-        run: GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-serai --features binaries --test '*'
-
-      - name: Run Integration Tests
-        # Don't run if the the tests workflow also will
-        if: ${{ matrix.version != 'v0.18.2.0' }}
-        run: GITHUB_CI=true RUST_BACKTRACE=1 cargo test --package monero-serai --all-features --test '*'

.github/workflows/monthly-nightly-update.yml

@@ -9,7 +9,7 @@ jobs:
     name: Update nightly
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
         with:
           submodules: "recursive"
 

.github/workflows/networks-tests.yml

@@ -1,4 +1,4 @@
-name: coins/ Tests
+name: networks/ Tests
 
 on:
   push:
@@ -7,21 +7,21 @@ on:
     paths:
       - "common/**"
       - "crypto/**"
-      - "coins/**"
+      - "networks/**"
 
   pull_request:
     paths:
       - "common/**"
       - "crypto/**"
-      - "coins/**"
+      - "networks/**"
 
   workflow_dispatch:
 
 jobs:
-  test-coins:
+  test-networks:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Test Dependencies
         uses: ./.github/actions/test-dependencies
@@ -30,6 +30,7 @@ jobs:
         run: |
           GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features \
             -p bitcoin-serai \
-            -p ethereum-serai \
-            -p monero-generators \
-            -p monero-serai
+            -p build-solidity-contracts \
+            -p ethereum-schnorr-contract \
+            -p alloy-simple-request-transport \
+            -p serai-ethereum-relayer \

.github/workflows/no-std.yml

@@ -7,14 +7,14 @@ on:
     paths:
       - "common/**"
       - "crypto/**"
-      - "coins/**"
+      - "networks/**"
       - "tests/no-std/**"
 
   pull_request:
     paths:
       - "common/**"
       - "crypto/**"
-      - "coins/**"
+      - "networks/**"
       - "tests/no-std/**"
 
   workflow_dispatch:
@@ -23,13 +23,23 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Install Build Dependencies
         uses: ./.github/actions/build-dependencies
 
+      - name: Get nightly version to use
+        id: nightly
+        shell: bash
+        run: echo "version=$(cat .github/nightly-version)" >> $GITHUB_OUTPUT
+
       - name: Install RISC-V Toolchain
-        run: sudo apt update && sudo apt install -y gcc-riscv64-unknown-elf gcc-multilib && rustup target add riscv32imac-unknown-none-elf
+        run: |
+          sudo apt update
+          sudo apt install -y gcc-riscv64-unknown-elf gcc-multilib
+          rustup toolchain install ${{ steps.nightly.outputs.version }} --profile minimal --component rust-src --target riscv32imac-unknown-none-elf
 
       - name: Verify no-std builds
-        run: cd tests/no-std && CFLAGS=-I/usr/include cargo build --target riscv32imac-unknown-none-elf
+        run: |
+          CFLAGS=-I/usr/include cargo +${{ steps.nightly.outputs.version }} build --target riscv32imac-unknown-none-elf -Z build-std=core -p serai-no-std-tests
+          CFLAGS=-I/usr/include cargo +${{ steps.nightly.outputs.version }} build --target riscv32imac-unknown-none-elf -Z build-std=core,alloc -p serai-no-std-tests --features "alloc"

.github/workflows/pages.yml

@@ -1,6 +1,7 @@
 # MIT License
 #
 # Copyright (c) 2022 just-the-docs
+# 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
@@ -20,31 +21,21 @@
 # OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
 # SOFTWARE.
 
-# This workflow uses actions that are not certified by GitHub.
-# They are provided by a third-party and are governed by
-# separate terms of service, privacy policy, and support
-# documentation.
-
-# Sample workflow for building and deploying a Jekyll site to GitHub Pages
-name: Deploy Jekyll site to Pages
+name: Deploy Rust docs and Jekyll site to Pages
 
 on:
   push:
     branches:
       - "develop"
-    paths:
-      - "docs/**"
 
-  # Allows you to run this workflow manually from the Actions tab
   workflow_dispatch:
 
-# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
 permissions:
   contents: read
   pages: write
   id-token: write
 
-# Allow one concurrent deployment
+# Only allow one concurrent deployment
 concurrency:
   group: "pages"
   cancel-in-progress: true
@@ -53,27 +44,37 @@ jobs:
   # Build job
   build:
     runs-on: ubuntu-latest
-    defaults:
-      run:
-        working-directory: docs
     steps:
       - name: Checkout
-        uses: actions/checkout@v3
+        uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
       - name: Setup Ruby
-        uses: ruby/setup-ruby@v1
+        uses: ruby/setup-ruby@8aeb6ff8030dd539317f8e1769a044873b56ea71 # 1.268.0
         with:
           bundler-cache: true
           cache-version: 0
           working-directory: "${{ github.workspace }}/docs"
       - name: Setup Pages
         id: pages
-        uses: actions/configure-pages@v3
+        uses: actions/configure-pages@983d7736d9b0ae728b81ab479565c72886d7745b # 5.0.0
       - name: Build with Jekyll
-        run: bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"
+        run: cd ${{ github.workspace }}/docs && bundle exec jekyll build --baseurl "${{ steps.pages.outputs.base_path }}"
         env:
           JEKYLL_ENV: production
+
+      - name: Get nightly version to use
+        id: nightly
+        shell: bash
+        run: echo "version=$(cat .github/nightly-version)" >> $GITHUB_OUTPUT
+      - name: Build Dependencies
+        uses: ./.github/actions/build-dependencies
+      - name: Buld Rust docs
+        run: |
+          rustup toolchain install ${{ steps.nightly.outputs.version }} --profile minimal -t wasm32v1-none -c rust-docs
+          RUSTDOCFLAGS="--cfg docsrs" cargo +${{ steps.nightly.outputs.version }} doc --workspace --no-deps --all-features
+          mv target/doc docs/_site/rust
+
       - name: Upload artifact
-        uses: actions/upload-pages-artifact@v1
+        uses: actions/upload-pages-artifact@7b1f4a764d45c48632c6b24a0339c27f5614fb0b # 4.0.0
         with:
           path: "docs/_site/"
 
@@ -87,4 +88,4 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v2
+        uses: actions/deploy-pages@d6db90164ac5ed86f2b6aed7e0febac5b3c0c03e # 4.0.5

.github/workflows/processor-tests.yml

@@ -7,7 +7,7 @@ on:
     paths:
       - "common/**"
       - "crypto/**"
-      - "coins/**"
+      - "networks/**"
       - "message-queue/**"
       - "processor/**"
       - "orchestration/**"
@@ -18,7 +18,7 @@ on:
     paths:
       - "common/**"
       - "crypto/**"
-      - "coins/**"
+      - "networks/**"
       - "message-queue/**"
       - "processor/**"
       - "orchestration/**"
@@ -31,10 +31,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Install Build Dependencies
         uses: ./.github/actions/build-dependencies
 
       - name: Run processor Docker tests
-        run: cd tests/processor && GITHUB_CI=true RUST_BACKTRACE=1 cargo test
+        run: GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features -p serai-processor-tests

.github/workflows/reproducible-runtime.yml

@@ -27,10 +27,10 @@ jobs:
   build:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Install Build Dependencies
         uses: ./.github/actions/build-dependencies
 
       - name: Run Reproducible Runtime tests
-        run: cd tests/reproducible-runtime && GITHUB_CI=true RUST_BACKTRACE=1 cargo test
+        run: GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features -p serai-reproducible-runtime-tests -- --nocapture

.github/workflows/tests.yml

@@ -7,7 +7,7 @@ on:
     paths:
       - "common/**"
       - "crypto/**"
-      - "coins/**"
+      - "networks/**"
       - "message-queue/**"
       - "processor/**"
       - "coordinator/**"
@@ -17,7 +17,7 @@ on:
     paths:
       - "common/**"
       - "crypto/**"
-      - "coins/**"
+      - "networks/**"
       - "message-queue/**"
       - "processor/**"
       - "coordinator/**"
@@ -29,7 +29,7 @@ jobs:
   test-infra:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Build Dependencies
         uses: ./.github/actions/build-dependencies
@@ -39,16 +39,42 @@ jobs:
           GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features \
             -p serai-message-queue \
             -p serai-processor-messages \
-            -p serai-processor \
+            -p serai-processor-key-gen \
+            -p serai-processor-view-keys \
+            -p serai-processor-frost-attempt-manager \
+            -p serai-processor-primitives \
+            -p serai-processor-scanner \
+            -p serai-processor-scheduler-primitives \
+            -p serai-processor-utxo-scheduler-primitives \
+            -p serai-processor-utxo-scheduler \
+            -p serai-processor-transaction-chaining-scheduler \
+            -p serai-processor-smart-contract-scheduler \
+            -p serai-processor-signers \
+            -p serai-processor-bin \
+            -p serai-bitcoin-processor \
+            -p serai-processor-ethereum-primitives \
+            -p serai-processor-ethereum-test-primitives \
+            -p serai-processor-ethereum-deployer \
+            -p serai-processor-ethereum-router \
+            -p serai-processor-ethereum-erc20 \
+            -p serai-ethereum-processor \
+            -p serai-monero-processor \
             -p tendermint-machine \
-            -p tributary-chain \
+            -p tributary-sdk \
+            -p serai-cosign-types \
+            -p serai-cosign \
+            -p serai-coordinator-substrate \
+            -p serai-coordinator-tributary \
+            -p serai-coordinator-p2p \
+            -p serai-coordinator-libp2p-p2p \
             -p serai-coordinator \
+            -p serai-orchestrator \
             -p serai-docker-tests
 
   test-substrate:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Build Dependencies
         uses: ./.github/actions/build-dependencies
@@ -57,24 +83,33 @@ jobs:
         run: |
           GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features \
             -p serai-primitives \
-            -p serai-coins-primitives \
+            -p serai-abi \
+            -p substrate-median \
+            -p serai-core-pallet \
             -p serai-coins-pallet \
-            -p serai-dex-pallet \
-            -p serai-validator-sets-primitives \
             -p serai-validator-sets-pallet \
-            -p serai-in-instructions-primitives \
-            -p serai-in-instructions-pallet \
             -p serai-signals-pallet \
+            -p serai-dex-pallet \
+            -p serai-genesis-liquidity-pallet \
+            -p serai-economic-security-pallet \
+            -p serai-emissions-pallet \
+            -p serai-in-instructions-pallet \
             -p serai-runtime \
             -p serai-node
+            -p serai-substrate-tests
 
   test-serai-client:
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@3df4ab11eba7bda6032a0b82a6bb43b11571feac
+      - uses: actions/checkout@1af3b93b6815bc44a9784bd300feb67ff0d1eeb3 # 6.0.0
 
       - name: Build Dependencies
         uses: ./.github/actions/build-dependencies
 
       - name: Run Tests
-        run: GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features -p serai-client
+        run: |
+          GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features -p serai-client-serai
+          GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features -p serai-client-bitcoin
+          GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features -p serai-client-ethereum
+          GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features -p serai-client-monero
+          GITHUB_CI=true RUST_BACKTRACE=1 cargo test --all-features -p serai-client

.gitignore

@@ -1,7 +1,13 @@
 target
+
+# Don't commit any `Cargo.lock` which aren't the workspace's
+Cargo.lock
+!/Cargo.lock
+
+# Don't commit any `Dockerfile`, as they're auto-generated, except the only one which isn't
 Dockerfile
-Dockerfile.fast-epoch
 !orchestration/runtime/Dockerfile
+
 .test-logs
 
 .vscode

Cargo.toml

@@ -1,23 +1,12 @@
 [workspace]
 resolver = "2"
 members = [
-  # Version patches
-  "patches/zstd",
-  "patches/rocksdb",
-  "patches/proc-macro-crate",
-
-  # std patches
-  "patches/matches",
-  "patches/is-terminal",
-
-  # Rewrites/redirects
-  "patches/option-ext",
-  "patches/directories-next",
-
   "common/std-shims",
   "common/zalloc",
+  "common/patchable-async-sleep",
   "common/db",
   "common/env",
+  "common/task",
   "common/request",
 
   "crypto/transcript",
@@ -26,48 +15,90 @@ members = [
   "crypto/dalek-ff-group",
   "crypto/ed448",
   "crypto/ciphersuite",
+  "crypto/ciphersuite/kp256",
 
   "crypto/multiexp",
-
   "crypto/schnorr",
-  "crypto/dleq",
+
+  "crypto/prime-field",
+  "crypto/short-weierstrass",
+  "crypto/secq256k1",
+  "crypto/embedwards25519",
+
   "crypto/dkg",
+  "crypto/dkg/recovery",
+  "crypto/dkg/dealer",
+  "crypto/dkg/musig",
+  "crypto/dkg/evrf",
   "crypto/frost",
   "crypto/schnorrkel",
 
-  "coins/bitcoin",
-  "coins/ethereum",
-  "coins/monero/generators",
-  "coins/monero",
+  "networks/bitcoin",
+
+  "networks/ethereum/build-contracts",
+  "networks/ethereum/schnorr",
+  "networks/ethereum/alloy-simple-request-transport",
+  "networks/ethereum/relayer",
 
   "message-queue",
 
   "processor/messages",
-  "processor",
 
-  "coordinator/tributary/tendermint",
+  "processor/key-gen",
+  "processor/view-keys",
+  "processor/frost-attempt-manager",
+
+  "processor/primitives",
+  "processor/scanner",
+  "processor/scheduler/primitives",
+  "processor/scheduler/utxo/primitives",
+  "processor/scheduler/utxo/standard",
+  "processor/scheduler/utxo/transaction-chaining",
+  "processor/scheduler/smart-contract",
+  "processor/signers",
+
+  "processor/bin",
+  "processor/bitcoin",
+  "processor/ethereum/primitives",
+  "processor/ethereum/test-primitives",
+  "processor/ethereum/deployer",
+  "processor/ethereum/erc20",
+  "processor/ethereum/router",
+  "processor/ethereum",
+  "processor/monero",
+
+  "coordinator/tributary-sdk/tendermint",
+  "coordinator/tributary-sdk",
+  "coordinator/cosign/types",
+  "coordinator/cosign",
+  "coordinator/substrate",
   "coordinator/tributary",
+  "coordinator/p2p",
+  "coordinator/p2p/libp2p",
   "coordinator",
 
   "substrate/primitives",
-
-  "substrate/coins/primitives",
-  "substrate/coins/pallet",
-
-  "substrate/in-instructions/primitives",
-  "substrate/in-instructions/pallet",
-
-  "substrate/validator-sets/primitives",
-  "substrate/validator-sets/pallet",
-
-  "substrate/signals/primitives",
-  "substrate/signals/pallet",
-
   "substrate/abi",
 
+  "substrate/median",
+
+  "substrate/core",
+  "substrate/coins",
+  "substrate/validator-sets",
+  "substrate/signals",
+  "substrate/dex",
+  "substrate/genesis-liquidity",
+  "substrate/economic-security",
+  "substrate/emissions",
+  "substrate/in-instructions",
+
   "substrate/runtime",
   "substrate/node",
 
+  "substrate/client/serai",
+  "substrate/client/bitcoin",
+  "substrate/client/ethereum",
+  "substrate/client/monero",
   "substrate/client",
 
   "orchestration",
@@ -78,51 +109,105 @@ members = [
 
   "tests/docker",
   "tests/message-queue",
-  "tests/processor",
-  "tests/coordinator",
-  "tests/full-stack",
+  # TODO "tests/processor",
+  # TODO "tests/coordinator",
+  "tests/substrate",
+  # TODO "tests/full-stack",
   "tests/reproducible-runtime",
 ]
 
+[profile.dev]
+panic = "abort"
+overflow-checks = true
+[profile.release]
+panic = "abort"
+overflow-checks = true
+# These do not respect the `panic` configuration value, so we don't provide them
+[profile.test]
+# panic = "abort" # https://github.com/rust-lang/issues/67650
+overflow-checks = true
+[profile.bench]
+overflow-checks = true
+
+[profile.dev.package]
 # Always compile Monero (and a variety of dependencies) with optimizations due
 # to the extensive operations required for Bulletproofs
-[profile.dev.package]
 subtle = { opt-level = 3 }
-curve25519-dalek = { opt-level = 3 }
+
+sha3 = { opt-level = 3 }
+blake2 = { opt-level = 3 }
 
 ff = { opt-level = 3 }
 group = { opt-level = 3 }
 
 crypto-bigint = { opt-level = 3 }
+curve25519-dalek = { opt-level = 3 }
 dalek-ff-group = { opt-level = 3 }
-minimal-ed448 = { opt-level = 3 }
 
 multiexp = { opt-level = 3 }
 
-monero-serai = { opt-level = 3 }
+monero-io = { opt-level = 3 }
+monero-primitives = { opt-level = 3 }
+monero-ed25519 = { opt-level = 3 }
+monero-mlsag = { opt-level = 3 }
+monero-clsag = { opt-level = 3 }
+monero-borromean = { opt-level = 3 }
+monero-bulletproofs-generators = { opt-level = 3 }
+monero-bulletproofs = {opt-level = 3 }
+monero-oxide = { opt-level = 3 }
 
-[profile.release]
-panic = "unwind"
+# Always compile the eVRF DKG tree with optimizations as well
+secp256k1 = { opt-level = 3 }
+secq256k1 = { opt-level = 3 }
+embedwards25519 = { opt-level = 3 }
+generalized-bulletproofs = { opt-level = 3 }
+generalized-bulletproofs-circuit-abstraction = { opt-level = 3 }
+generalized-bulletproofs-ec-gadgets = { opt-level = 3 }
+
+# revm also effectively requires being built with optimizations
+revm = { opt-level = 3 }
+revm-bytecode = { opt-level = 3 }
+revm-context = { opt-level = 3 }
+revm-context-interface = { opt-level = 3 }
+revm-database = { opt-level = 3 }
+revm-database-interface = { opt-level = 3 }
+revm-handler = { opt-level = 3 }
+revm-inspector = { opt-level = 3 }
+revm-interpreter = { opt-level = 3 }
+revm-precompile = { opt-level = 3 }
+revm-primitives = { opt-level = 3 }
+revm-state = { opt-level = 3 }
 
 [patch.crates-io]
+# Point to empty crates for crates unused within in our tree
+alloy-eip2124 = { path = "patches/ethereum/alloy-eip2124" }
+ark-ff-3 = { package = "ark-ff", path = "patches/ethereum/ark-ff-0.3" }
+ark-ff-4 = { package = "ark-ff", path = "patches/ethereum/ark-ff-0.4" }
+c-kzg = { path = "patches/ethereum/c-kzg" }
+secp256k1-30 = { package = "secp256k1", path = "patches/ethereum/secp256k1-30" }
+
+# Dependencies from monero-oxide which originate from within our own tree,  potentially shimmed to account for deviations since publishing
+std-shims = { path = "patches/std-shims" }
+simple-request = { path = "patches/simple-request" }
+multiexp = { path = "crypto/multiexp" }
+flexible-transcript = { path = "crypto/transcript" }
+ciphersuite = { path = "patches/ciphersuite" }
+dalek-ff-group = { path = "patches/dalek-ff-group" }
+minimal-ed448 = { path = "crypto/ed448" }
+modular-frost = { path = "crypto/frost" }
+
+# Patch due to `std` now including the required functionality
+is_terminal_polyfill = { path = "./patches/is_terminal_polyfill" }
+# This has a non-deprecated `std` alternative since Rust's 2024 edition
+home = { path = "patches/home" }
+
+# Updates to the latest version
+darling = { path = "patches/darling" }
+thiserror = { path = "patches/thiserror" }
+
 # 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" }
 
-# Needed due to dockertest's usage of `Rc`s when we need `Arc`s
-dockertest = { git = "https://github.com/kayabaNerve/dockertest-rs", branch = "arc" }
-
-# wasmtime pulls in an old version for this
-zstd = { path = "patches/zstd" }
-# Needed for WAL compression
-rocksdb = { path = "patches/rocksdb" }
-# proc-macro-crate 2 binds to an old version of toml for msrv so we patch to 3
-proc-macro-crate = { path = "patches/proc-macro-crate" }
-
-# is-terminal now has an std-based solution with an equivalent API
-is-terminal = { path = "patches/is-terminal" }
-# So does matches
-matches = { path = "patches/matches" }
-
 # directories-next was created because directories was unmaintained
 # directories-next is now unmaintained while directories is maintained
 # The directories author pulls in ridiculously pointless crates and prefers
@@ -131,8 +216,19 @@ matches = { path = "patches/matches" }
 option-ext = { path = "patches/option-ext" }
 directories-next = { path = "patches/directories-next" }
 
+# Patch from a fork back to upstream
+parity-bip39 = { path = "patches/parity-bip39" }
+
+# Patch to include `FromUniformBytes<64>` over `Scalar`
+k256 = { git = "https://github.com/kayabaNerve/elliptic-curves", rev = "4994c9ab163781a88cd4a49beae812a89a44e8c3" }
+p256 = { git = "https://github.com/kayabaNerve/elliptic-curves", rev = "4994c9ab163781a88cd4a49beae812a89a44e8c3" }
+
 [workspace.lints.clippy]
+incompatible_msrv = "allow" # Manually verified with a GitHub workflow
+manual_is_multiple_of = "allow"
 unwrap_or_default = "allow"
+map_unwrap_or = "allow"
+needless_continue = "allow"
 borrow_as_ptr = "deny"
 cast_lossless = "deny"
 cast_possible_truncation = "deny"
@@ -160,11 +256,9 @@ manual_instant_elapsed = "deny"
 manual_let_else = "deny"
 manual_ok_or = "deny"
 manual_string_new = "deny"
-map_unwrap_or = "deny"
 match_bool = "deny"
 match_same_arms = "deny"
 missing_fields_in_debug = "deny"
-needless_continue = "deny"
 needless_pass_by_value = "deny"
 ptr_cast_constness = "deny"
 range_minus_one = "deny"
@@ -172,7 +266,8 @@ range_plus_one = "deny"
 redundant_closure_for_method_calls = "deny"
 redundant_else = "deny"
 string_add_assign = "deny"
-unchecked_duration_subtraction = "deny"
+string_slice = "deny"
+unchecked_time_subtraction = "deny"
 uninlined_format_args = "deny"
 unnecessary_box_returns = "deny"
 unnecessary_join = "deny"
@@ -181,3 +276,6 @@ unnested_or_patterns = "deny"
 unused_async = "deny"
 unused_self = "deny"
 zero_sized_map_values = "deny"
+
+[workspace.lints.rust]
+unused = "allow" # TODO: https://github.com/rust-lang/rust/issues/147648

LICENSE

@@ -5,4 +5,4 @@ a full copy of the AGPL-3.0 License is included in the root of this repository
 as a reference text. This copy should be provided with any distribution of a
 crate licensed under the AGPL-3.0, as per its terms.
 
-The GitHub actions (`.github/actions`) are licensed under the MIT license.
+The GitHub actions/workflows (`.github`) are licensed under the MIT license.

README.md

@@ -24,7 +24,7 @@ wallet.
   infrastructure, to our IETF-compliant FROST implementation, to a DLEq proof as
   needed for Bitcoin-Monero atomic swaps.
 
-- `coins`: Various coin libraries intended for usage in Serai yet also by the
+- `networks`: Various libraries intended for usage in Serai yet also by the
   wider community. This means they will always support the functionality Serai
   needs, yet won't disadvantage other use cases when possible.
 
@@ -59,7 +59,6 @@ issued at the discretion of the Immunefi program managers.
 - [Website](https://serai.exchange/): https://serai.exchange/
 - [Immunefi](https://immunefi.com/bounty/serai/): https://immunefi.com/bounty/serai/
 - [Twitter](https://twitter.com/SeraiDEX): https://twitter.com/SeraiDEX
-- [Mastodon](https://cryptodon.lol/@serai): https://cryptodon.lol/@serai
 - [Discord](https://discord.gg/mpEUtJR3vz): https://discord.gg/mpEUtJR3vz
 - [Matrix](https://matrix.to/#/#serai:matrix.org): https://matrix.to/#/#serai:matrix.org
 - [Reddit](https://www.reddit.com/r/SeraiDEX/): https://www.reddit.com/r/SeraiDEX/

audits/Cypher Stack coins bitcoin August 2023/README.md

@@ -1,6 +0,0 @@
-# Cypher Stack /coins/bitcoin Audit, August 2023
-
-This audit was over the /coins/bitcoin folder. It is encompassing up to commit
-5121ca75199dff7bd34230880a1fdd793012068c.
-
-Please see https://github.com/cypherstack/serai-btc-audit for provenance.

audits/Cypher Stack networks bitcoin August 2023/README.md

@@ -0,0 +1,7 @@
+# Cypher Stack /networks/bitcoin Audit, August 2023
+
+This audit was over the `/networks/bitcoin` folder (at the time located at
+`/coins/bitcoin`). It is encompassing up to commit
+5121ca75199dff7bd34230880a1fdd793012068c.
+
+Please see https://github.com/cypherstack/serai-btc-audit for provenance.

audits/Trail of Bits ethereum contracts April 2025/README.md

@@ -0,0 +1,14 @@
+# Trail of Bits Ethereum Contracts Audit, June 2025
+
+This audit included:
+-  Our Schnorr contract and associated library (/networks/ethereum/schnorr)
+-  Our Ethereum primitives library (/processor/ethereum/primitives)
+-  Our Deployer contract and associated library (/processor/ethereum/deployer)
+-  Our ERC20 library (/processor/ethereum/erc20)
+-  Our Router contract and associated library (/processor/ethereum/router)
+
+It is encompassing up to commit 4e0c58464fc4673623938335f06e2e9ea96ca8dd.
+
+Please see
+https://github.com/trailofbits/publications/blob/30c4fa3ebf39ff8e4d23ba9567344ec9691697b5/reviews/2025-04-serai-dex-security-review.pdf
+for the actual report.

audits/crypto/dkg/evrf/README.md

@@ -0,0 +1,50 @@
+# eVRF DKG
+
+In 2024, the [eVRF paper](https://eprint.iacr.org/2024/397) was published to
+the IACR preprint server. Within it was a one-round unbiased DKG and a
+one-round unbiased threshold DKG. Unfortunately, both simply describe
+communication of the secret shares as 'Alice sends $s_b$ to Bob'. This causes,
+in practice, the need for an additional round of communication to occur where
+all participants confirm they received their secret shares.
+
+Within Serai, it was posited to use the same premises as the DDH eVRF itself to
+achieve a verifiable encryption scheme. This allows the secret shares to be
+posted to any 'bulletin board' (such as a blockchain) and for all observers to
+confirm:
+
+- A participant participated
+- The secret shares sent can be received by the intended recipient so long as
+  they can access the bulletin board
+
+Additionally, Serai desired a robust scheme (albeit with an biased key as the
+output, which is fine for our purposes). Accordingly, our implementation
+instantiates the threshold eVRF DKG from the eVRF paper, with our own proposal
+for verifiable encryption, with the caller allowed to decide the set of
+participants. They may:
+
+- Select everyone, collapsing to the non-threshold unbiased DKG from the eVRF
+  paper
+- Select a pre-determined set, collapsing to the threshold unbaised DKG from
+  the eVRF paper
+- Select a post-determined set (with any solution for the Common Subset
+  problem), allowing achieving a robust threshold biased DKG
+
+Note that the eVRF paper proposes using the eVRF to sample coefficients yet
+this is unnecessary when the resulting key will be biased. Any proof of
+knowledge for the coefficients, as necessary for their extraction within the
+security proofs, would be sufficient.
+
+MAGIC Grants contracted HashCloak to formalize Serai's proposal for a DKG and
+provide proofs for its security. This resulted in
+[this paper](<./Security Proofs.pdf>).
+
+Our implementation itself is then built on top of the audited
+[`generalized-bulletproofs`](https://github.com/kayabaNerve/monero-oxide/tree/generalized-bulletproofs/audits/crypto/generalized-bulletproofs)
+and
+[`generalized-bulletproofs-ec-gadgets`](https://github.com/monero-oxide/monero-oxide/tree/fcmp%2B%2B/audits/fcmps).
+
+Note we do not use the originally premised DDH eVRF yet the one premised on
+elliptic curve divisors, the methodology of which is commented on
+[here](https://github.com/monero-oxide/monero-oxide/tree/fcmp%2B%2B/audits/divisors).
+
+Our implementation itself is unaudited at this time however.

coins/bitcoin/src/crypto.rs

@@ -1,166 +0,0 @@
-use k256::{
-  elliptic_curve::sec1::{Tag, ToEncodedPoint},
-  ProjectivePoint,
-};
-
-use bitcoin::key::XOnlyPublicKey;
-
-/// Get the x coordinate of a non-infinity, even point. Panics on invalid input.
-pub fn x(key: &ProjectivePoint) -> [u8; 32] {
-  let encoded = key.to_encoded_point(true);
-  assert_eq!(encoded.tag(), Tag::CompressedEvenY, "x coordinate of odd key");
-  (*encoded.x().expect("point at infinity")).into()
-}
-
-/// Convert a non-infinity even point to a XOnlyPublicKey. Panics on invalid input.
-pub fn x_only(key: &ProjectivePoint) -> XOnlyPublicKey {
-  XOnlyPublicKey::from_slice(&x(key)).expect("x_only was passed a point which was infinity or odd")
-}
-
-/// Make a point even by adding the generator until it is even.
-///
-/// Returns the even point and the amount of additions required.
-#[cfg(any(feature = "std", feature = "hazmat"))]
-pub fn make_even(mut key: ProjectivePoint) -> (ProjectivePoint, u64) {
-  let mut c = 0;
-  while key.to_encoded_point(true).tag() == Tag::CompressedOddY {
-    key += ProjectivePoint::GENERATOR;
-    c += 1;
-  }
-  (key, c)
-}
-
-#[cfg(feature = "std")]
-mod frost_crypto {
-  use core::fmt::Debug;
-  use std_shims::{vec::Vec, io};
-
-  use zeroize::Zeroizing;
-  use rand_core::{RngCore, CryptoRng};
-
-  use bitcoin::hashes::{HashEngine, Hash, sha256::Hash as Sha256};
-
-  use transcript::Transcript;
-
-  use k256::{elliptic_curve::ops::Reduce, U256, Scalar};
-
-  use frost::{
-    curve::{Ciphersuite, Secp256k1},
-    Participant, ThresholdKeys, ThresholdView, FrostError,
-    algorithm::{Hram as HramTrait, Algorithm, Schnorr as FrostSchnorr},
-  };
-
-  use super::*;
-
-  /// A BIP-340 compatible HRAm for use with the modular-frost Schnorr Algorithm.
-  ///
-  /// If passed an odd nonce, it will have the generator added until it is even.
-  ///
-  /// If the key is odd, this will panic.
-  #[derive(Clone, Copy, Debug)]
-  pub struct Hram;
-  #[allow(non_snake_case)]
-  impl HramTrait<Secp256k1> for Hram {
-    fn hram(R: &ProjectivePoint, A: &ProjectivePoint, m: &[u8]) -> Scalar {
-      // Convert the nonce to be even
-      let (R, _) = make_even(*R);
-
-      const TAG_HASH: Sha256 = Sha256::const_hash(b"BIP0340/challenge");
-
-      let mut data = Sha256::engine();
-      data.input(TAG_HASH.as_ref());
-      data.input(TAG_HASH.as_ref());
-      data.input(&x(&R));
-      data.input(&x(A));
-      data.input(m);
-
-      Scalar::reduce(U256::from_be_slice(Sha256::from_engine(data).as_ref()))
-    }
-  }
-
-  /// BIP-340 Schnorr signature algorithm.
-  ///
-  /// This must be used with a ThresholdKeys whose group key is even. If it is odd, this will panic.
-  #[derive(Clone)]
-  pub struct Schnorr<T: Sync + Clone + Debug + Transcript>(FrostSchnorr<Secp256k1, T, Hram>);
-  impl<T: Sync + Clone + Debug + Transcript> Schnorr<T> {
-    /// Construct a Schnorr algorithm continuing the specified transcript.
-    pub fn new(transcript: T) -> Schnorr<T> {
-      Schnorr(FrostSchnorr::new(transcript))
-    }
-  }
-
-  impl<T: Sync + Clone + Debug + Transcript> Algorithm<Secp256k1> for Schnorr<T> {
-    type Transcript = T;
-    type Addendum = ();
-    type Signature = [u8; 64];
-
-    fn transcript(&mut self) -> &mut Self::Transcript {
-      self.0.transcript()
-    }
-
-    fn nonces(&self) -> Vec<Vec<ProjectivePoint>> {
-      self.0.nonces()
-    }
-
-    fn preprocess_addendum<R: RngCore + CryptoRng>(
-      &mut self,
-      rng: &mut R,
-      keys: &ThresholdKeys<Secp256k1>,
-    ) {
-      self.0.preprocess_addendum(rng, keys)
-    }
-
-    fn read_addendum<R: io::Read>(&self, reader: &mut R) -> io::Result<Self::Addendum> {
-      self.0.read_addendum(reader)
-    }
-
-    fn process_addendum(
-      &mut self,
-      view: &ThresholdView<Secp256k1>,
-      i: Participant,
-      addendum: (),
-    ) -> Result<(), FrostError> {
-      self.0.process_addendum(view, i, addendum)
-    }
-
-    fn sign_share(
-      &mut self,
-      params: &ThresholdView<Secp256k1>,
-      nonce_sums: &[Vec<<Secp256k1 as Ciphersuite>::G>],
-      nonces: Vec<Zeroizing<<Secp256k1 as Ciphersuite>::F>>,
-      msg: &[u8],
-    ) -> <Secp256k1 as Ciphersuite>::F {
-      self.0.sign_share(params, nonce_sums, nonces, msg)
-    }
-
-    #[must_use]
-    fn verify(
-      &self,
-      group_key: ProjectivePoint,
-      nonces: &[Vec<ProjectivePoint>],
-      sum: Scalar,
-    ) -> Option<Self::Signature> {
-      self.0.verify(group_key, nonces, sum).map(|mut sig| {
-        // Make the R of the final signature even
-        let offset;
-        (sig.R, offset) = make_even(sig.R);
-        // s = r + cx. Since we added to the r, add to s
-        sig.s += Scalar::from(offset);
-        // Convert to a Bitcoin signature by dropping the byte for the point's sign bit
-        sig.serialize()[1 ..].try_into().unwrap()
-      })
-    }
-
-    fn verify_share(
-      &self,
-      verification_share: ProjectivePoint,
-      nonces: &[Vec<ProjectivePoint>],
-      share: Scalar,
-    ) -> Result<Vec<(Scalar, ProjectivePoint)>, ()> {
-      self.0.verify_share(verification_share, nonces, share)
-    }
-  }
-}
-#[cfg(feature = "std")]
-pub use frost_crypto::*;

coins/ethereum/.gitignore

@@ -1,7 +0,0 @@
-# Solidity build outputs
-cache
-artifacts
-
-# Auto-generated ABI files
-src/abi/schnorr.rs
-src/abi/router.rs

coins/ethereum/Cargo.toml

@@ -1,45 +0,0 @@
-[package]
-name = "ethereum-serai"
-version = "0.1.0"
-description = "An Ethereum library supporting Schnorr signing and on-chain verification"
-license = "AGPL-3.0-only"
-repository = "https://github.com/serai-dex/serai/tree/develop/coins/ethereum"
-authors = ["Luke Parker <lukeparker5132@gmail.com>", "Elizabeth Binks <elizabethjbinks@gmail.com>"]
-edition = "2021"
-publish = false
-rust-version = "1.74"
-
-[package.metadata.docs.rs]
-all-features = true
-rustdoc-args = ["--cfg", "docsrs"]
-
-[lints]
-workspace = true
-
-[dependencies]
-thiserror = { version = "1", default-features = false }
-eyre = { version = "0.6", default-features = false }
-
-sha3 = { version = "0.10", default-features = false, features = ["std"] }
-
-group = { version = "0.13", default-features = false }
-k256 = { version = "^0.13.1", default-features = false, features = ["std", "ecdsa"] }
-frost = { package = "modular-frost", path = "../../crypto/frost", features = ["secp256k1", "tests"] }
-
-ethers-core = { version = "2", default-features = false }
-ethers-providers = { version = "2", default-features = false }
-ethers-contract = { version = "2", default-features = false, features = ["abigen", "providers"] }
-
-[build-dependencies]
-ethers-contract = { version = "2", default-features = false, features = ["abigen", "providers"] }
-
-[dev-dependencies]
-rand_core = { version = "0.6", default-features = false, features = ["std"] }
-
-hex = { version = "0.4", default-features = false, features = ["std"] }
-serde = { version = "1", default-features = false, features = ["std"] }
-serde_json = { version = "1", default-features = false, features = ["std"] }
-
-sha2 = { version = "0.10", default-features = false, features = ["std"] }
-
-tokio = { version = "1", features = ["macros"] }

coins/ethereum/README.md

@@ -1,9 +0,0 @@
-# Ethereum
-
-This package contains Ethereum-related functionality, specifically deploying and
-interacting with Serai contracts.
-
-### Dependencies
-
-- solc
-- [Foundry](https://github.com/foundry-rs/foundry)

coins/ethereum/build.rs

@@ -1,42 +0,0 @@
-use std::process::Command;
-
-use ethers_contract::Abigen;
-
-fn main() {
-  println!("cargo:rerun-if-changed=contracts/*");
-  println!("cargo:rerun-if-changed=artifacts/*");
-
-  for line in String::from_utf8(Command::new("solc").args(["--version"]).output().unwrap().stdout)
-    .unwrap()
-    .lines()
-  {
-    if let Some(version) = line.strip_prefix("Version: ") {
-      let version = version.split('+').next().unwrap();
-      assert_eq!(version, "0.8.25");
-    }
-  }
-
-  #[rustfmt::skip]
-  let args = [
-    "--base-path", ".",
-    "-o", "./artifacts", "--overwrite",
-    "--bin", "--abi",
-    "--optimize",
-    "./contracts/Schnorr.sol", "./contracts/Router.sol",
-  ];
-  assert!(Command::new("solc").args(args).status().unwrap().success());
-
-  Abigen::new("Schnorr", "./artifacts/Schnorr.abi")
-    .unwrap()
-    .generate()
-    .unwrap()
-    .write_to_file("./src/abi/schnorr.rs")
-    .unwrap();
-
-  Abigen::new("Router", "./artifacts/Router.abi")
-    .unwrap()
-    .generate()
-    .unwrap()
-    .write_to_file("./src/abi/router.rs")
-    .unwrap();
-}

coins/ethereum/contracts/Router.sol

@@ -1,90 +0,0 @@
-// SPDX-License-Identifier: AGPLv3
-pragma solidity ^0.8.0;
-
-import "./Schnorr.sol";
-
-contract Router is Schnorr {
-  // Contract initializer
-  // TODO: Replace with a MuSig of the genesis validators
-  address public initializer;
-
-  // Nonce is incremented for each batch of transactions executed
-  uint256 public nonce;
-
-  // fixed parity for the public keys used in this contract
-  uint8 constant public KEY_PARITY = 27;
-
-  // current public key's x-coordinate
-  // note: this key must always use the fixed parity defined above
-  bytes32 public seraiKey;
-
-  struct OutInstruction {
-    address to;
-    uint256 value;
-    bytes data;
-  }
-
-  struct Signature {
-    bytes32 c;
-    bytes32 s;
-  }
-
-  // success is a uint256 representing a bitfield of transaction successes
-  event Executed(uint256 nonce, bytes32 batch, uint256 success);
-
-  // error types
-  error NotInitializer();
-  error AlreadyInitialized();
-  error InvalidKey();
-  error TooManyTransactions();
-
-  constructor() {
-    initializer = msg.sender;
-  }
-
-  // initSeraiKey can be called by the contract initializer to set the first
-  // public key, only if the public key has yet to be set.
-  function initSeraiKey(bytes32 _seraiKey) external {
-    if (msg.sender != initializer) revert NotInitializer();
-    if (seraiKey != 0) revert AlreadyInitialized();
-    if (_seraiKey == bytes32(0)) revert InvalidKey();
-    seraiKey = _seraiKey;
-  }
-
-  // updateSeraiKey validates the given Schnorr signature against the current public key,
-  // and if successful, updates the contract's public key to the given one.
-  function updateSeraiKey(
-    bytes32 _seraiKey,
-    Signature memory sig
-  ) public {
-    if (_seraiKey == bytes32(0)) revert InvalidKey();
-    bytes32 message = keccak256(abi.encodePacked("updateSeraiKey", _seraiKey));
-    if (!verify(KEY_PARITY, seraiKey, message, sig.c, sig.s)) revert InvalidSignature();
-    seraiKey = _seraiKey;
-  }
-
-  // execute accepts a list of transactions to execute as well as a Schnorr signature.
-  // if signature verification passes, the given transactions are executed.
-  // if signature verification fails, this function will revert.
-  function execute(
-    OutInstruction[] calldata transactions,
-    Signature memory sig
-  ) public {
-    if (transactions.length > 256) revert TooManyTransactions();
-
-    bytes32 message = keccak256(abi.encode("execute", nonce, transactions));
-    // This prevents re-entrancy from causing double spends yet does allow
-    // out-of-order execution via re-entrancy
-    nonce++;
-    if (!verify(KEY_PARITY, seraiKey, message, sig.c, sig.s)) revert InvalidSignature();
-
-    uint256 successes;
-    for(uint256 i = 0; i < transactions.length; i++) {
-      (bool success, ) = transactions[i].to.call{value: transactions[i].value, gas: 200_000}(transactions[i].data);
-      assembly {
-        successes := or(successes, shl(i, success))
-      }
-    }
-    emit Executed(nonce, message, successes);
-  }
-}

coins/ethereum/contracts/Schnorr.sol

@@ -1,39 +0,0 @@
-// SPDX-License-Identifier: AGPLv3
-pragma solidity ^0.8.0;
-
-// see https://github.com/noot/schnorr-verify for implementation details
-contract Schnorr {
-  // secp256k1 group order
-  uint256 constant public Q =
-    0xFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFFEBAAEDCE6AF48A03BBFD25E8CD0364141;
-
-  error InvalidSOrA();
-  error InvalidSignature();
-
-  // parity := public key y-coord parity (27 or 28)
-  // px := public key x-coord
-  // message := 32-byte hash of the message
-  // c := schnorr signature challenge
-  // s := schnorr signature
-  function verify(
-    uint8 parity,
-    bytes32 px,
-    bytes32 message,
-    bytes32 c,
-    bytes32 s
-  ) public view returns (bool) {
-    // ecrecover = (m, v, r, s);
-    bytes32 sa = bytes32(Q - mulmod(uint256(s), uint256(px), Q));
-    bytes32 ca = bytes32(Q - mulmod(uint256(c), uint256(px), Q));
-
-    if (sa == 0) revert InvalidSOrA();
-    // the ecrecover precompile implementation checks that the `r` and `s`
-    // inputs are non-zero (in this case, `px` and `ca`), thus we don't need to
-    // check if they're zero.
-    address R = ecrecover(sa, parity, px, ca);
-    if (R == address(0)) revert InvalidSignature();
-    return c == keccak256(
-      abi.encodePacked(R, uint8(parity), px, block.chainid, message)
-    );
-  }
-}

coins/ethereum/src/abi/mod.rs

@@ -1,6 +0,0 @@
-#[rustfmt::skip]
-#[allow(clippy::all)]
-pub(crate) mod schnorr;
-#[rustfmt::skip]
-#[allow(clippy::all)]
-pub(crate) mod router;

coins/ethereum/src/crypto.rs

@@ -1,91 +0,0 @@
-use sha3::{Digest, Keccak256};
-
-use group::ff::PrimeField;
-use k256::{
-  elliptic_curve::{
-    bigint::ArrayEncoding, ops::Reduce, point::AffineCoordinates, sec1::ToEncodedPoint,
-  },
-  ProjectivePoint, Scalar, U256,
-};
-
-use frost::{
-  algorithm::{Hram, SchnorrSignature},
-  curve::Secp256k1,
-};
-
-pub(crate) fn keccak256(data: &[u8]) -> [u8; 32] {
-  Keccak256::digest(data).into()
-}
-
-pub(crate) fn address(point: &ProjectivePoint) -> [u8; 20] {
-  let encoded_point = point.to_encoded_point(false);
-  // Last 20 bytes of the hash of the concatenated x and y coordinates
-  // We obtain the concatenated x and y coordinates via the uncompressed encoding of the point
-  keccak256(&encoded_point.as_ref()[1 .. 65])[12 ..].try_into().unwrap()
-}
-
-#[allow(non_snake_case)]
-pub struct PublicKey {
-  pub A: ProjectivePoint,
-  pub px: Scalar,
-  pub parity: u8,
-}
-
-impl PublicKey {
-  #[allow(non_snake_case)]
-  pub fn new(A: ProjectivePoint) -> Option<PublicKey> {
-    let affine = A.to_affine();
-    let parity = u8::from(bool::from(affine.y_is_odd())) + 27;
-    if parity != 27 {
-      None?;
-    }
-
-    let x_coord = affine.x();
-    let x_coord_scalar = <Scalar as Reduce<U256>>::reduce_bytes(&x_coord);
-    // Return None if a reduction would occur
-    if x_coord_scalar.to_repr() != x_coord {
-      None?;
-    }
-
-    Some(PublicKey { A, px: x_coord_scalar, parity })
-  }
-}
-
-#[derive(Clone, Default)]
-pub struct EthereumHram {}
-impl Hram<Secp256k1> for EthereumHram {
-  #[allow(non_snake_case)]
-  fn hram(R: &ProjectivePoint, A: &ProjectivePoint, m: &[u8]) -> Scalar {
-    let a_encoded_point = A.to_encoded_point(true);
-    let mut a_encoded = a_encoded_point.as_ref().to_owned();
-    a_encoded[0] += 25; // Ethereum uses 27/28 for point parity
-    assert!((a_encoded[0] == 27) || (a_encoded[0] == 28));
-    let mut data = address(R).to_vec();
-    data.append(&mut a_encoded);
-    data.extend(m);
-    Scalar::reduce(U256::from_be_slice(&keccak256(&data)))
-  }
-}
-
-pub struct Signature {
-  pub(crate) c: Scalar,
-  pub(crate) s: Scalar,
-}
-impl Signature {
-  pub fn new(
-    public_key: &PublicKey,
-    chain_id: U256,
-    m: &[u8],
-    signature: SchnorrSignature<Secp256k1>,
-  ) -> Option<Signature> {
-    let c = EthereumHram::hram(
-      &signature.R,
-      &public_key.A,
-      &[chain_id.to_be_byte_array().as_slice(), &keccak256(m)].concat(),
-    );
-    if !signature.verify(public_key.A, c) {
-      None?;
-    }
-    Some(Signature { c, s: signature.s })
-  }
-}

coins/ethereum/src/lib.rs

@@ -1,16 +0,0 @@
-use thiserror::Error;
-
-pub mod crypto;
-
-pub(crate) mod abi;
-pub mod schnorr;
-pub mod router;
-
-#[cfg(test)]
-mod tests;
-
-#[derive(Error, Debug)]
-pub enum Error {
-  #[error("failed to verify Schnorr signature")]
-  InvalidSignature,
-}

coins/ethereum/src/router.rs

@@ -1,30 +0,0 @@
-pub use crate::abi::router::*;
-
-/*
-use crate::crypto::{ProcessedSignature, PublicKey};
-use ethers::{contract::ContractFactory, prelude::*, solc::artifacts::contract::ContractBytecode};
-use eyre::Result;
-use std::{convert::From, fs::File, sync::Arc};
-
-pub async fn router_update_public_key<M: Middleware + 'static>(
-  contract: &Router<M>,
-  public_key: &PublicKey,
-  signature: &ProcessedSignature,
-) -> std::result::Result<Option<TransactionReceipt>, eyre::ErrReport> {
-  let tx = contract.update_public_key(public_key.px.to_bytes().into(), signature.into());
-  let pending_tx = tx.send().await?;
-  let receipt = pending_tx.await?;
-  Ok(receipt)
-}
-
-pub async fn router_execute<M: Middleware + 'static>(
-  contract: &Router<M>,
-  txs: Vec<Rtransaction>,
-  signature: &ProcessedSignature,
-) -> std::result::Result<Option<TransactionReceipt>, eyre::ErrReport> {
-  let tx = contract.execute(txs, signature.into()).send();
-  let pending_tx = tx.send().await?;
-  let receipt = pending_tx.await?;
-  Ok(receipt)
-}
-*/

coins/ethereum/src/schnorr.rs

@@ -1,34 +0,0 @@
-use eyre::{eyre, Result};
-
-use group::ff::PrimeField;
-
-use ethers_providers::{Provider, Http};
-
-use crate::{
-  Error,
-  crypto::{keccak256, PublicKey, Signature},
-};
-pub use crate::abi::schnorr::*;
-
-pub async fn call_verify(
-  contract: &Schnorr<Provider<Http>>,
-  public_key: &PublicKey,
-  message: &[u8],
-  signature: &Signature,
-) -> Result<()> {
-  if contract
-    .verify(
-      public_key.parity,
-      public_key.px.to_repr().into(),
-      keccak256(message),
-      signature.c.to_repr().into(),
-      signature.s.to_repr().into(),
-    )
-    .call()
-    .await?
-  {
-    Ok(())
-  } else {
-    Err(eyre!(Error::InvalidSignature))
-  }
-}

coins/ethereum/src/tests/crypto.rs

@@ -1,132 +0,0 @@
-use rand_core::OsRng;
-
-use sha2::Sha256;
-use sha3::{Digest, Keccak256};
-
-use group::Group;
-use k256::{
-  ecdsa::{hazmat::SignPrimitive, signature::DigestVerifier, SigningKey, VerifyingKey},
-  elliptic_curve::{bigint::ArrayEncoding, ops::Reduce, point::DecompressPoint},
-  U256, Scalar, AffinePoint, ProjectivePoint,
-};
-
-use frost::{
-  curve::Secp256k1,
-  algorithm::{Hram, IetfSchnorr},
-  tests::{algorithm_machines, sign},
-};
-
-use crate::{crypto::*, tests::key_gen};
-
-pub fn hash_to_scalar(data: &[u8]) -> Scalar {
-  Scalar::reduce(U256::from_be_slice(&keccak256(data)))
-}
-
-pub(crate) fn ecrecover(message: Scalar, v: u8, r: Scalar, s: Scalar) -> Option<[u8; 20]> {
-  if r.is_zero().into() || s.is_zero().into() || !((v == 27) || (v == 28)) {
-    return None;
-  }
-
-  #[allow(non_snake_case)]
-  let R = AffinePoint::decompress(&r.to_bytes(), (v - 27).into());
-  #[allow(non_snake_case)]
-  if let Some(R) = Option::<AffinePoint>::from(R) {
-    #[allow(non_snake_case)]
-    let R = ProjectivePoint::from(R);
-
-    let r = r.invert().unwrap();
-    let u1 = ProjectivePoint::GENERATOR * (-message * r);
-    let u2 = R * (s * r);
-    let key: ProjectivePoint = u1 + u2;
-    if !bool::from(key.is_identity()) {
-      return Some(address(&key));
-    }
-  }
-
-  None
-}
-
-#[test]
-fn test_ecrecover() {
-  let private = SigningKey::random(&mut OsRng);
-  let public = VerifyingKey::from(&private);
-
-  // Sign the signature
-  const MESSAGE: &[u8] = b"Hello, World!";
-  let (sig, recovery_id) = private
-    .as_nonzero_scalar()
-    .try_sign_prehashed_rfc6979::<Sha256>(&Keccak256::digest(MESSAGE), b"")
-    .unwrap();
-
-  // Sanity check the signature verifies
-  #[allow(clippy::unit_cmp)] // Intended to assert this wasn't changed to Result<bool>
-  {
-    assert_eq!(public.verify_digest(Keccak256::new_with_prefix(MESSAGE), &sig).unwrap(), ());
-  }
-
-  // Perform the ecrecover
-  assert_eq!(
-    ecrecover(
-      hash_to_scalar(MESSAGE),
-      u8::from(recovery_id.unwrap().is_y_odd()) + 27,
-      *sig.r(),
-      *sig.s()
-    )
-    .unwrap(),
-    address(&ProjectivePoint::from(public.as_affine()))
-  );
-}
-
-// Run the sign test with the EthereumHram
-#[test]
-fn test_signing() {
-  let (keys, _) = key_gen();
-
-  const MESSAGE: &[u8] = b"Hello, World!";
-
-  let algo = IetfSchnorr::<Secp256k1, EthereumHram>::ietf();
-  let _sig =
-    sign(&mut OsRng, &algo, keys.clone(), algorithm_machines(&mut OsRng, &algo, &keys), MESSAGE);
-}
-
-#[allow(non_snake_case)]
-pub fn preprocess_signature_for_ecrecover(
-  R: ProjectivePoint,
-  public_key: &PublicKey,
-  chain_id: U256,
-  m: &[u8],
-  s: Scalar,
-) -> (u8, Scalar, Scalar) {
-  let c = EthereumHram::hram(
-    &R,
-    &public_key.A,
-    &[chain_id.to_be_byte_array().as_slice(), &keccak256(m)].concat(),
-  );
-  let sa = -(s * public_key.px);
-  let ca = -(c * public_key.px);
-  (public_key.parity, sa, ca)
-}
-
-#[test]
-fn test_ecrecover_hack() {
-  let (keys, public_key) = key_gen();
-
-  const MESSAGE: &[u8] = b"Hello, World!";
-  let hashed_message = keccak256(MESSAGE);
-  let chain_id = U256::ONE;
-  let full_message = &[chain_id.to_be_byte_array().as_slice(), &hashed_message].concat();
-
-  let algo = IetfSchnorr::<Secp256k1, EthereumHram>::ietf();
-  let sig = sign(
-    &mut OsRng,
-    &algo,
-    keys.clone(),
-    algorithm_machines(&mut OsRng, &algo, &keys),
-    full_message,
-  );
-
-  let (parity, sa, ca) =
-    preprocess_signature_for_ecrecover(sig.R, &public_key, chain_id, MESSAGE, sig.s);
-  let q = ecrecover(sa, parity, public_key.px, ca).unwrap();
-  assert_eq!(q, address(&sig.R));
-}

coins/ethereum/src/tests/mod.rs

@@ -1,92 +0,0 @@
-use std::{sync::Arc, time::Duration, fs::File, collections::HashMap};
-
-use rand_core::OsRng;
-
-use group::ff::PrimeField;
-use k256::{Scalar, ProjectivePoint};
-use frost::{curve::Secp256k1, Participant, ThresholdKeys, tests::key_gen as frost_key_gen};
-
-use ethers_core::{
-  types::{H160, Signature as EthersSignature},
-  abi::Abi,
-};
-use ethers_contract::ContractFactory;
-use ethers_providers::{Middleware, Provider, Http};
-
-use crate::crypto::PublicKey;
-
-mod crypto;
-mod schnorr;
-mod router;
-
-pub fn key_gen() -> (HashMap<Participant, ThresholdKeys<Secp256k1>>, PublicKey) {
-  let mut keys = frost_key_gen::<_, Secp256k1>(&mut OsRng);
-  let mut group_key = keys[&Participant::new(1).unwrap()].group_key();
-
-  let mut offset = Scalar::ZERO;
-  while PublicKey::new(group_key).is_none() {
-    offset += Scalar::ONE;
-    group_key += ProjectivePoint::GENERATOR;
-  }
-  for keys in keys.values_mut() {
-    *keys = keys.offset(offset);
-  }
-  let public_key = PublicKey::new(group_key).unwrap();
-
-  (keys, public_key)
-}
-
-// TODO: Replace with a contract deployment from an unknown account, so the environment solely has
-// to fund the deployer, not create/pass a wallet
-// TODO: Deterministic deployments across chains
-pub async fn deploy_contract(
-  chain_id: u32,
-  client: Arc<Provider<Http>>,
-  wallet: &k256::ecdsa::SigningKey,
-  name: &str,
-) -> eyre::Result<H160> {
-  let abi: Abi =
-    serde_json::from_reader(File::open(format!("./artifacts/{name}.abi")).unwrap()).unwrap();
-
-  let hex_bin_buf = std::fs::read_to_string(format!("./artifacts/{name}.bin")).unwrap();
-  let hex_bin =
-    if let Some(stripped) = hex_bin_buf.strip_prefix("0x") { stripped } else { &hex_bin_buf };
-  let bin = hex::decode(hex_bin).unwrap();
-  let factory = ContractFactory::new(abi, bin.into(), client.clone());
-
-  let mut deployment_tx = factory.deploy(())?.tx;
-  deployment_tx.set_chain_id(chain_id);
-  deployment_tx.set_gas(1_000_000);
-  let (max_fee_per_gas, max_priority_fee_per_gas) = client.estimate_eip1559_fees(None).await?;
-  deployment_tx.as_eip1559_mut().unwrap().max_fee_per_gas = Some(max_fee_per_gas);
-  deployment_tx.as_eip1559_mut().unwrap().max_priority_fee_per_gas = Some(max_priority_fee_per_gas);
-
-  let sig_hash = deployment_tx.sighash();
-  let (sig, rid) = wallet.sign_prehash_recoverable(sig_hash.as_ref()).unwrap();
-
-  // EIP-155 v
-  let mut v = u64::from(rid.to_byte());
-  assert!((v == 0) || (v == 1));
-  v += u64::from((chain_id * 2) + 35);
-
-  let r = sig.r().to_repr();
-  let r_ref: &[u8] = r.as_ref();
-  let s = sig.s().to_repr();
-  let s_ref: &[u8] = s.as_ref();
-  let deployment_tx =
-    deployment_tx.rlp_signed(&EthersSignature { r: r_ref.into(), s: s_ref.into(), v });
-
-  let pending_tx = client.send_raw_transaction(deployment_tx).await?;
-
-  let mut receipt;
-  while {
-    receipt = client.get_transaction_receipt(pending_tx.tx_hash()).await?;
-    receipt.is_none()
-  } {
-    tokio::time::sleep(Duration::from_secs(6)).await;
-  }
-  let receipt = receipt.unwrap();
-  assert!(receipt.status == Some(1.into()));
-
-  Ok(receipt.contract_address.unwrap())
-}

coins/ethereum/src/tests/router.rs

@@ -1,109 +0,0 @@
-use std::{convert::TryFrom, sync::Arc, collections::HashMap};
-
-use rand_core::OsRng;
-
-use group::ff::PrimeField;
-use frost::{
-  curve::Secp256k1,
-  Participant, ThresholdKeys,
-  algorithm::IetfSchnorr,
-  tests::{algorithm_machines, sign},
-};
-
-use ethers_core::{
-  types::{H160, U256, Bytes},
-  abi::AbiEncode,
-  utils::{Anvil, AnvilInstance},
-};
-use ethers_providers::{Middleware, Provider, Http};
-
-use crate::{
-  crypto::{keccak256, PublicKey, EthereumHram, Signature},
-  router::{self, *},
-  tests::{key_gen, deploy_contract},
-};
-
-async fn setup_test() -> (
-  u32,
-  AnvilInstance,
-  Router<Provider<Http>>,
-  HashMap<Participant, ThresholdKeys<Secp256k1>>,
-  PublicKey,
-) {
-  let anvil = Anvil::new().spawn();
-
-  let provider = Provider::<Http>::try_from(anvil.endpoint()).unwrap();
-  let chain_id = provider.get_chainid().await.unwrap().as_u32();
-  let wallet = anvil.keys()[0].clone().into();
-  let client = Arc::new(provider);
-
-  let contract_address =
-    deploy_contract(chain_id, client.clone(), &wallet, "Router").await.unwrap();
-  let contract = Router::new(contract_address, client.clone());
-
-  let (keys, public_key) = key_gen();
-
-  // Set the key to the threshold keys
-  let tx = contract.init_serai_key(public_key.px.to_repr().into()).gas(100_000);
-  let pending_tx = tx.send().await.unwrap();
-  let receipt = pending_tx.await.unwrap().unwrap();
-  assert!(receipt.status == Some(1.into()));
-
-  (chain_id, anvil, contract, keys, public_key)
-}
-
-#[tokio::test]
-async fn test_deploy_contract() {
-  setup_test().await;
-}
-
-pub fn hash_and_sign(
-  keys: &HashMap<Participant, ThresholdKeys<Secp256k1>>,
-  public_key: &PublicKey,
-  chain_id: U256,
-  message: &[u8],
-) -> Signature {
-  let hashed_message = keccak256(message);
-
-  let mut chain_id_bytes = [0; 32];
-  chain_id.to_big_endian(&mut chain_id_bytes);
-  let full_message = &[chain_id_bytes.as_slice(), &hashed_message].concat();
-
-  let algo = IetfSchnorr::<Secp256k1, EthereumHram>::ietf();
-  let sig = sign(
-    &mut OsRng,
-    &algo,
-    keys.clone(),
-    algorithm_machines(&mut OsRng, &algo, keys),
-    full_message,
-  );
-
-  Signature::new(public_key, k256::U256::from_words(chain_id.0), message, sig).unwrap()
-}
-
-#[tokio::test]
-async fn test_router_execute() {
-  let (chain_id, _anvil, contract, keys, public_key) = setup_test().await;
-
-  let to = H160([0u8; 20]);
-  let value = U256([0u64; 4]);
-  let data = Bytes::from([0]);
-  let tx = OutInstruction { to, value, data: data.clone() };
-
-  let nonce_call = contract.nonce();
-  let nonce = nonce_call.call().await.unwrap();
-
-  let encoded =
-    ("execute".to_string(), nonce, vec![router::OutInstruction { to, value, data }]).encode();
-  let sig = hash_and_sign(&keys, &public_key, chain_id.into(), &encoded);
-
-  let tx = contract
-    .execute(vec![tx], router::Signature { c: sig.c.to_repr().into(), s: sig.s.to_repr().into() })
-    .gas(300_000);
-  let pending_tx = tx.send().await.unwrap();
-  let receipt = dbg!(pending_tx.await.unwrap().unwrap());
-  assert!(receipt.status == Some(1.into()));
-
-  println!("gas used: {:?}", receipt.cumulative_gas_used);
-  println!("logs: {:?}", receipt.logs);
-}

coins/ethereum/src/tests/schnorr.rs

@@ -1,67 +0,0 @@
-use std::{convert::TryFrom, sync::Arc};
-
-use rand_core::OsRng;
-
-use ::k256::{elliptic_curve::bigint::ArrayEncoding, U256, Scalar};
-
-use ethers_core::utils::{keccak256, Anvil, AnvilInstance};
-use ethers_providers::{Middleware, Provider, Http};
-
-use frost::{
-  curve::Secp256k1,
-  algorithm::IetfSchnorr,
-  tests::{algorithm_machines, sign},
-};
-
-use crate::{
-  crypto::*,
-  schnorr::*,
-  tests::{key_gen, deploy_contract},
-};
-
-async fn setup_test() -> (u32, AnvilInstance, Schnorr<Provider<Http>>) {
-  let anvil = Anvil::new().spawn();
-
-  let provider = Provider::<Http>::try_from(anvil.endpoint()).unwrap();
-  let chain_id = provider.get_chainid().await.unwrap().as_u32();
-  let wallet = anvil.keys()[0].clone().into();
-  let client = Arc::new(provider);
-
-  let contract_address =
-    deploy_contract(chain_id, client.clone(), &wallet, "Schnorr").await.unwrap();
-  let contract = Schnorr::new(contract_address, client.clone());
-  (chain_id, anvil, contract)
-}
-
-#[tokio::test]
-async fn test_deploy_contract() {
-  setup_test().await;
-}
-
-#[tokio::test]
-async fn test_ecrecover_hack() {
-  let (chain_id, _anvil, contract) = setup_test().await;
-  let chain_id = U256::from(chain_id);
-
-  let (keys, public_key) = key_gen();
-
-  const MESSAGE: &[u8] = b"Hello, World!";
-  let hashed_message = keccak256(MESSAGE);
-  let full_message = &[chain_id.to_be_byte_array().as_slice(), &hashed_message].concat();
-
-  let algo = IetfSchnorr::<Secp256k1, EthereumHram>::ietf();
-  let sig = sign(
-    &mut OsRng,
-    &algo,
-    keys.clone(),
-    algorithm_machines(&mut OsRng, &algo, &keys),
-    full_message,
-  );
-  let sig = Signature::new(&public_key, chain_id, MESSAGE, sig).unwrap();
-
-  call_verify(&contract, &public_key, MESSAGE, &sig).await.unwrap();
-  // Test an invalid signature fails
-  let mut sig = sig;
-  sig.s += Scalar::ONE;
-  assert!(call_verify(&contract, &public_key, MESSAGE, &sig).await.is_err());
-}

coins/monero/Cargo.toml

@@ -1,113 +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/coins/monero"
-authors = ["Luke Parker <lukeparker5132@gmail.com>"]
-edition = "2021"
-rust-version = "1.74"
-
-[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 }
-
-async-trait = { version = "0.1", default-features = false }
-thiserror = { version = "1", default-features = false, optional = true }
-
-zeroize = { version = "^1.5", default-features = false, features = ["zeroize_derive"] }
-subtle = { version = "^2.4", default-features = false }
-
-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 }
-
-sha3 = { version = "0.10", default-features = false }
-pbkdf2 = { version = "0.12", features = ["simple"], default-features = false }
-
-curve25519-dalek = { version = "4", default-features = false, features = ["alloc", "zeroize", "precomputed-tables"] }
-
-# Used for the hash to curve, along with the more complicated proofs
-group = { version = "0.13", default-features = false }
-dalek-ff-group = { path = "../../crypto/dalek-ff-group", version = "0.4", default-features = false }
-multiexp = { path = "../../crypto/multiexp", version = "0.4", default-features = false, features = ["batch"] }
-
-# Needed for multisig
-transcript = { package = "flexible-transcript", path = "../../crypto/transcript", version = "0.3", default-features = false, features = ["recommended"], optional = true }
-dleq = { path = "../../crypto/dleq", version = "0.4", default-features = false, features = ["serialize"], optional = true }
-frost = { package = "modular-frost", path = "../../crypto/frost", version = "0.8", default-features = false, features = ["ed25519"], optional = true }
-
-monero-generators = { path = "generators", version = "0.4", default-features = false }
-
-async-lock = { version = "3", default-features = false, optional = true }
-
-hex-literal = "0.4"
-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"] }
-
-base58-monero = { version = "2", default-features = false, features = ["check"] }
-
-# Used for the provided HTTP RPC
-digest_auth = { version = "0.3", default-features = false, optional = true }
-simple-request = { path = "../../common/request", version = "0.1", default-features = false, features = ["tls"], optional = true }
-tokio = { version = "1", default-features = false, optional = true }
-
-[build-dependencies]
-dalek-ff-group = { path = "../../crypto/dalek-ff-group", version = "0.4", default-features = false }
-monero-generators = { path = "generators", version = "0.4", default-features = false }
-
-[dev-dependencies]
-tokio = { version = "1", features = ["sync", "macros"] }
-
-frost = { package = "modular-frost", path = "../../crypto/frost", features = ["tests"] }
-
-[features]
-std = [
-  "std-shims/std",
-
-  "thiserror",
-
-  "zeroize/std",
-  "subtle/std",
-
-  "rand_core/std",
-  "rand/std",
-  "rand_chacha/std",
-  "rand_distr/std",
-
-  "sha3/std",
-  "pbkdf2/std",
-
-  "multiexp/std",
-
-  "transcript/std",
-  "dleq/std",
-
-  "monero-generators/std",
-
-  "async-lock?/std",
-
-  "hex/std",
-  "serde/std",
-  "serde_json/std",
-
-  "base58-monero/std",
-]
-
-cache-distribution = ["async-lock"]
-http-rpc = ["digest_auth", "simple-request", "tokio"]
-multisig = ["transcript", "frost", "dleq", "std"]
-binaries = ["tokio/rt-multi-thread", "tokio/macros", "http-rpc"]
-experimental = []
-
-default = ["std", "http-rpc"]

coins/monero/README.md

@@ -1,49 +0,0 @@
-# monero-serai
-
-A modern Monero transaction library intended for usage in wallets. It prides
-itself on accuracy, correctness, and removing common pit falls developers may
-face.
-
-monero-serai also offers the following features:
-
-- Featured Addresses
-- A FROST-based multisig orders of magnitude more performant than Monero's
-
-### 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 will not deprive functionality from other users.
-
-Various legacy transaction formats are not currently implemented, yet we are
-willing to add support for them. There aren't active development efforts around
-them however.
-
-### 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 transaction 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.

coins/monero/build.rs

@@ -1,67 +0,0 @@
-use std::{
-  io::Write,
-  env,
-  path::Path,
-  fs::{File, remove_file},
-};
-
-use dalek_ff_group::EdwardsPoint;
-
-use monero_generators::bulletproofs_generators;
-
-fn serialize(generators_string: &mut String, points: &[EdwardsPoint]) {
-  for generator in points {
-    generators_string.extend(
-      format!(
-        "
-          dalek_ff_group::EdwardsPoint(
-            curve25519_dalek::edwards::CompressedEdwardsY({:?}).decompress().unwrap()
-          ),
-        ",
-        generator.compress().to_bytes()
-      )
-      .chars(),
-    );
-  }
-}
-
-fn generators(prefix: &'static str, path: &str) {
-  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").unwrap()).join(path);
-  let _ = remove_file(&path);
-  File::create(&path)
-    .unwrap()
-    .write_all(
-      format!(
-        "
-          pub(crate) static GENERATORS_CELL: OnceLock<Generators> = OnceLock::new();
-          pub fn GENERATORS() -> &'static Generators {{
-            GENERATORS_CELL.get_or_init(|| Generators {{
-              G: vec![
-                {G_str}
-              ],
-              H: vec![
-                {H_str}
-              ],
-            }})
-          }}
-        ",
-      )
-      .as_bytes(),
-    )
-    .unwrap();
-}
-
-fn main() {
-  println!("cargo:rerun-if-changed=build.rs");
-
-  generators("bulletproof", "generators.rs");
-  generators("bulletproof_plus", "generators_plus.rs");
-}

coins/monero/generators/Cargo.toml

@@ -1,34 +0,0 @@
-[package]
-name = "monero-generators"
-version = "0.4.0"
-description = "Monero's hash_to_point and generators"
-license = "MIT"
-repository = "https://github.com/serai-dex/serai/tree/develop/coins/monero/generators"
-authors = ["Luke Parker <lukeparker5132@gmail.com>"]
-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", "precomputed-tables"] }
-
-group = { version = "0.13", default-features = false }
-dalek-ff-group = { path = "../../../crypto/dalek-ff-group", version = "0.4", default-features = false }
-
-[dev-dependencies]
-hex = "0.4"
-
-[features]
-std = ["std-shims/std", "subtle/std", "sha3/std", "dalek-ff-group/std"]
-default = ["std"]

coins/monero/generators/README.md

@@ -1,7 +0,0 @@
-# Monero Generators
-
-Generators used by Monero in both its Pedersen commitments and Bulletproofs(+).
-An implementation of Monero's `ge_fromfe_frombytes_vartime`, simply called
-`hash_to_point` here, is included, as needed to generate generators.
-
-This library is usable under no-std when the `std` feature is disabled.

coins/monero/generators/src/hash_to_point.rs

@@ -1,60 +0,0 @@
-use subtle::ConditionallySelectable;
-
-use curve25519_dalek::edwards::{EdwardsPoint, CompressedEdwardsY};
-
-use group::ff::{Field, PrimeField};
-use dalek_ff_group::FieldElement;
-
-use crate::hash;
-
-/// Decompress canonically encoded ed25519 point
-/// It does not check if the point is in the prime order subgroup
-pub fn decompress_point(bytes: [u8; 32]) -> Option<EdwardsPoint> {
-  CompressedEdwardsY(bytes)
-    .decompress()
-    // Ban points which are either unreduced or -0
-    .filter(|point| point.compress().to_bytes() == bytes)
-}
-
-/// Monero's hash to point function, as named `hash_to_ec`.
-pub fn hash_to_point(bytes: [u8; 32]) -> EdwardsPoint {
-  #[allow(non_snake_case)]
-  let A = FieldElement::from(486662u64);
-
-  let v = FieldElement::from_square(hash(&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().unwrap())
-  };
-  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;
-
-  Y *= Z.invert().unwrap();
-  let mut bytes = Y.to_repr();
-  bytes[31] |= sign.unwrap_u8() << 7;
-
-  decompress_point(bytes).unwrap().mul_by_cofactor()
-}

coins/monero/generators/src/lib.rs

@@ -1,79 +0,0 @@
-//! Generators used by Monero in both its Pedersen commitments and Bulletproofs(+).
-//!
-//! An implementation of Monero's `ge_fromfe_frombytes_vartime`, simply called
-//! `hash_to_point` here, is included, as needed to generate generators.
-
-#![cfg_attr(not(feature = "std"), no_std)]
-
-use std_shims::{sync::OnceLock, vec::Vec};
-
-use sha3::{Digest, Keccak256};
-
-use curve25519_dalek::edwards::{EdwardsPoint as DalekPoint};
-
-use group::{Group, GroupEncoding};
-use dalek_ff_group::EdwardsPoint;
-
-mod varint;
-use varint::write_varint;
-
-mod hash_to_point;
-pub use hash_to_point::{hash_to_point, decompress_point};
-
-#[cfg(test)]
-mod tests;
-
-fn hash(data: &[u8]) -> [u8; 32] {
-  Keccak256::digest(data).into()
-}
-
-static H_CELL: OnceLock<DalekPoint> = OnceLock::new();
-/// Monero's alternate generator `H`, used for amounts in Pedersen commitments.
-#[allow(non_snake_case)]
-pub fn H() -> DalekPoint {
-  *H_CELL.get_or_init(|| {
-    decompress_point(hash(&EdwardsPoint::generator().to_bytes())).unwrap().mul_by_cofactor()
-  })
-}
-
-static H_POW_2_CELL: OnceLock<[DalekPoint; 64]> = OnceLock::new();
-/// Monero's alternate generator `H`, multiplied by 2**i for i in 1 ..= 64.
-#[allow(non_snake_case)]
-pub fn H_pow_2() -> &'static [DalekPoint; 64] {
-  H_POW_2_CELL.get_or_init(|| {
-    let mut res = [H(); 64];
-    for i in 1 .. 64 {
-      res[i] = res[i - 1] + res[i - 1];
-    }
-    res
-  })
-}
-
-const MAX_M: usize = 16;
-const N: usize = 64;
-const MAX_MN: usize = MAX_M * N;
-
-/// Container struct for Bulletproofs(+) generators.
-#[allow(non_snake_case)]
-pub struct Generators {
-  pub G: Vec<EdwardsPoint>,
-  pub H: Vec<EdwardsPoint>,
-}
-
-/// Generate generators as needed for Bulletproofs(+), as Monero does.
-pub fn bulletproofs_generators(dst: &'static [u8]) -> Generators {
-  let mut res = Generators { G: Vec::with_capacity(MAX_MN), H: Vec::with_capacity(MAX_MN) };
-  for i in 0 .. MAX_MN {
-    let i = 2 * i;
-
-    let mut even = H().compress().to_bytes().to_vec();
-    even.extend(dst);
-    let mut odd = even.clone();
-
-    write_varint(&i.try_into().unwrap(), &mut even).unwrap();
-    write_varint(&(i + 1).try_into().unwrap(), &mut odd).unwrap();
-    res.H.push(EdwardsPoint(hash_to_point(hash(&even))));
-    res.G.push(EdwardsPoint(hash_to_point(hash(&odd))));
-  }
-  res
-}

coins/monero/generators/src/tests/hash_to_point.rs

@@ -1,38 +0,0 @@
-use crate::{decompress_point, hash_to_point};
-
-#[test]
-fn crypto_tests() {
-  // 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"),
-    }
-  }
-}

coins/monero/generators/src/tests/mod.rs

@@ -1 +0,0 @@
-mod hash_to_point;

coins/monero/generators/src/tests/tests.txt

@@ -1,628 +0,0 @@
-check_key c2cb3cf3840aa9893e00ec77093d3d44dba7da840b51c48462072d58d8efd183 false
-check_key bd85a61bae0c101d826cbed54b1290f941d26e70607a07fc6f0ad611eb8f70a6 true
-check_key 328f81cad4eba24ab2bad7c0e56b1e2e7346e625bcb06ae649aef3ffa0b8bef3 false
-check_key 6016a5463b9e5a58c3410d3f892b76278883473c3f0b69459172d3de49e85abe true
-check_key 4c71282b2add07cdc6898a2622553f1ca4eb851e5cb121181628be5f3814c5b1 false
-check_key 69393c25c3b50e177f81f20f852dd604e768eb30052e23108b3cfa1a73f2736e true
-check_key 3d5a89b676cb84c2be3428d20a660dc6a37cae13912e127888a5132e8bac2163 true
-check_key 78cd665deb28cebc6208f307734c56fccdf5fa7e2933fadfcdd2b6246e9ae95c false
-check_key e03b2414e260580f86ee294cd4c636a5b153e617f704e81dad248fbf715b2ee4 true
-check_key 28c3503ce82d7cdc8e0d96c4553bcf0352bbcfc73925495dbe541e7e1df105fc false
-check_key 06855c3c3e0d03fec354059bda319b39916bdc10b6581e3f41b335ee7b014fd5 false
-check_key 556381485df0d7d5a268ab5ecfb2984b060acc63471183fcf538bf273b0c0cb5 true
-check_key c7f76d82ac64b1e7fdc32761ff00d6f0f7ada4cf223aa5a11187e3a02e1d5319 true
-check_key cfa85d8bdb6f633fcf031adee3a299ac42eeb6bd707744049f652f6322f5aa47 true
-check_key 91e9b63ced2b08979fee713365464cc3417c4f238f9bdd3396efbb3c58e195ee true
-check_key 7b56e76fe94bd30b3b2f2c4ba5fe4c504821753a8965eb1cbcf8896e2d6aba19 true
-check_key 7338df494bc416cf5edcc02069e067f39cb269ce67bd9faba956021ce3b3de3a false
-check_key f9a1f27b1618342a558379f4815fa5039a8fe9d98a09f45c1af857ba99231dc1 false
-check_key b2a1f37718180d4448a7fcb5f788048b1a7132dde1cfd25f0b9b01776a21c687 true
-check_key 0d3a0f9443a8b24510ad1e76a8117cca03bce416edfe35e3c2a2c2712454f8dc false
-check_key d8d3d806a76f120c4027dc9c9d741ad32e06861b9cfbc4ce39289c04e251bb3c false
-check_key 1e9e3ba7bc536cd113606842835d1f05b4b9e65875742f3a35bfb2d63164b5d5 true
-check_key 5c52d0087997a2cdf1d01ed0560d94b4bfd328cb741cb9a8d46ff50374b35a57 true
-check_key bb669d4d7ffc4b91a14defedcdbd96b330108b01adc63aa685e2165284c0033b false
-check_key d2709ae751a0a6fd796c98456fa95a7b64b75a3434f1caa3496eeaf5c14109b4 true
-check_key e0c238cba781684e655b10a7d4af04ab7ff2e7022182d7ed2279d6adf36b3e7a false
-check_key 34ebb4bf871572cee5c6935716fab8c8ec28feef4f039763d8f039b84a50bf4c false
-check_key 4730d4f38ec3f3b83e32e6335d2506df4ee39858848842c5a0184417fcc639e4 true
-check_key d42cf7fdf5e17e0a8a7f88505a2b7a3d297113bd93d3c20fa87e11509ec905a2 true
-check_key b757c95059cefabb0080d3a8ebca82e46efecfd29881be3121857f9d915e388c false
-check_key bbe777aaf04d02b96c0632f4b1c6f35f1c7bcbc5f22af192f92c077709a2b50b false
-check_key 73518522aabd28566f858c33fccb34b7a4de0e283f6f783f625604ee647afad9 true
-check_key f230622c4a8f6e516590466bd10f86b64fbef61695f6a054d37604e0b024d5af false
-check_key bc6b9a8379fd6c369f7c3bd9ddce58db6b78f27a41d798bb865c3920824d0943 false
-check_key 45a4f87c25898cd6be105fa1602b85c4d862782adaac8b85c996c4a2bcd8af47 true
-check_key eb4ad3561d21c4311affbd7cc2c7ff5fd509f72f88ba67dc097a75c31fdbd990 false
-check_key 2f34f4630c09a23b7ecc19f02b4190a26df69e07e13de8069ae5ff80d23762fc true
-check_key 2ea4e4fb5085eb5c8adee0d5ab7d35c67d74d343bd816cd13924536cffc2527c true
-check_key 5d35467ee6705a0d35818aa9ae94e4603c3e5500bfc4cf4c4f77a7160a597aa6 true
-check_key 8ff42bc76796e20c99b6e879369bd4b46a256db1366416291de9166e39d5a093 true
-check_key 0262ba718850df6c621e8a24cd9e4831c047e38818a89e15c7a06a489a4558e1 false
-check_key 58b29b2ba238b534b08fb46f05f430e61cb77dc251b0bb50afec1b6061fd9247 false
-check_key 153170e3dc2b0e1b368fc0d0e31053e872f094cdace9a2846367f0d9245a109b false
-check_key 40419d309d07522d493bb047ca9b5fb6c401aae226eefae6fd395f5bb9114200 true
-check_key 713068818d256ef69c78cd6082492013fbd48de3c9e7e076415dd0a692994504 true
-check_key a7218ee08e50781b0c87312d5e0031467e863c10081668e3792d96cbcee4e474 true
-check_key 356ce516b00e674ef1729c75b0a68090e7265cef675bbf32bf809495b67e9342 false
-check_key 52a5c053293675e3efd2c585047002ea6d77931cbf38f541b9070d319dc0d237 false
-check_key 77c0080bf157e069b18c4c604cc9505c5ec6f0f9930e087592d70507ca1b5534 false
-check_key e733bc41f880a4cfb1ca6f397916504130807289cacfca10b15f5b8d058ed1bf false
-check_key c4f1d3c884908a574ecea8be10e02277de35ef84a1d10f105f2be996f285161f true
-check_key aed677f7f69e146aa0863606ac580fc0bbdc22a88c4b4386abaa4bdfff66bcc9 false
-check_key 6ad0edf59769599af8caa986f502afc67aecbebb8107aaf5e7d3ae51d5cf8dd8 false
-check_key 64a0a70e99be1f775c222ee9cd6f1bee6f632cb9417899af398ff9aff70661c6 true
-check_key c63afaa03bb5c4ed7bc77aac175dbfb73f904440b2e3056a65850ac1bd261332 false
-check_key a4e89cd2471c26951513b1cfbdcf053a86575e095af52495276aa56ede8ce344 false
-check_key 2ce935d97f7c3ddb973de685d20f58ee39938fe557216328045ec2b83f3132be true
-check_key 3e3d38b1fca93c1559ac030d586616354c668aa76245a09e3fa6de55ac730973 true
-check_key 8b81b9681f76a4254007fd07ed1ded25fc675973ccb23afd06074805194733a4 false
-check_key 26d1c15dfc371489439e29bcef2afcf7ed01fac24960fdc2e7c20847a8067588 true
-check_key 85c1199b5a4591fc4cc36d23660648c1b9cfbb0e9c47199fa3eea33299a3dcec false
-check_key 60830ba5449c1f04ac54675dfc7cac7510106c4b7549852551f8fe65971123e2 false
-check_key 3e43c28c024597b3b836e4bc16905047cbf6e841b80e0b8cd6a325049070c2a5 false
-check_key 474792c16a0032343a6f28f4cb564747c3b1ea0b6a6b9a42f7c71d7cc3dd3b44 true
-check_key c8ec5e67cb5786673085191881950a3ca20dde88f46851b01dd91c695cfbad16 true
-check_key 861c4b24b24a87b8559e0bb665f84dcc506c147a909f335ae4573b92299f042f false
-check_key 2c9e0fe3e4983d79f86c8c36928528f1bc90d94352ce427032cdef6906d84d0b true
-check_key 9293742822c2dff63fdc1bf6645c864fd527cea2ddba6d4f3048d202fc340c9a true
-check_key 3956422ad380ef19cb9fe360ef09cc7aaec7163eea4114392a7a0b2e2671914e true
-check_key 5ae8e72cadda85e525922fec11bd53a261cf26ee230fe85a1187f831b1b2c258 false
-check_key 973feca43a0baf450c30ace5dc19015e19400f0898316e28d9f3c631da31f99a true
-check_key dd946c91a2077f45c5c16939e53859d9beabaf065e7b1b993d5e5cd385f8716e true
-check_key b3928f2d67e47f6bd6da81f72e64908d8ff391af5689f0202c4c6fec7666ffe8 true
-check_key 313382e82083697d7f9d256c3b3800b099b56c3ef33cacdccbd40a65622e25fc false
-check_key 7d65380c12144802d39ed9306eed79fe165854273700437c0b4b50559800c058 true
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coins/monero/generators/src/varint.rs

@@ -1,16 +0,0 @@
-use std_shims::io::{self, Write};
-
-const VARINT_CONTINUATION_MASK: u8 = 0b1000_0000;
-pub(crate) fn write_varint<W: Write>(varint: &u64, w: &mut W) -> io::Result<()> {
-  let mut varint = *varint;
-  while {
-    let mut b = u8::try_from(varint & u64::from(!VARINT_CONTINUATION_MASK)).unwrap();
-    varint >>= 7;
-    if varint != 0 {
-      b |= VARINT_CONTINUATION_MASK;
-    }
-    w.write_all(&[b])?;
-    varint != 0
-  } {}
-  Ok(())
-}

coins/monero/src/bin/reserialize_chain.rs

@@ -1,321 +0,0 @@
-#[cfg(feature = "binaries")]
-mod binaries {
-  pub(crate) use std::sync::Arc;
-
-  pub(crate) use curve25519_dalek::{scalar::Scalar, edwards::EdwardsPoint};
-
-  pub(crate) use multiexp::BatchVerifier;
-
-  pub(crate) use serde::Deserialize;
-  pub(crate) use serde_json::json;
-
-  pub(crate) use monero_serai::{
-    Commitment,
-    ringct::RctPrunable,
-    transaction::{Input, Transaction},
-    block::Block,
-    rpc::{RpcError, Rpc, HttpRpc},
-  };
-
-  pub(crate) use monero_generators::decompress_point;
-
-  pub(crate) use tokio::task::JoinHandle;
-
-  pub(crate) async fn check_block(rpc: Arc<Rpc<HttpRpc>>, 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.txs.len();
-
-    if !block.txs.is_empty() {
-      #[derive(Deserialize, Debug)]
-      struct TransactionResponse {
-        tx_hash: String,
-        as_hex: String,
-      }
-      #[derive(Deserialize, Debug)]
-      struct TransactionsResponse {
-        #[serde(default)]
-        missed_tx: Vec<String>,
-        txs: Vec<TransactionResponse>,
-      }
-
-      let mut hashes_hex = block.txs.iter().map(hex::encode).collect::<Vec<_>>();
-      let mut all_txs = vec![];
-      while !hashes_hex.is_empty() {
-        let txs: TransactionsResponse = loop {
-          match rpc
-            .rpc_call(
-              "get_transactions",
-              Some(json!({
-                "txs_hashes": hashes_hex.drain(.. hashes_hex.len().min(100)).collect::<Vec<_>>(),
-              })),
-            )
-            .await
-          {
-            Ok(txs) => break txs,
-            Err(RpcError::ConnectionError(e)) => {
-              println!("get_transactions ConnectionError: {e}");
-              continue;
-            }
-            Err(e) => panic!("couldn't call get_transactions: {e:?}"),
-          }
-        };
-        assert!(txs.missed_tx.is_empty());
-        all_txs.extend(txs.txs);
-      }
-
-      let mut batch = BatchVerifier::new(block.txs.len());
-      for (tx_hash, tx_res) in block.txs.into_iter().zip(all_txs) {
-        assert_eq!(
-          tx_res.tx_hash,
-          hex::encode(tx_hash),
-          "node returned a transaction with different hash"
-        );
-
-        let tx = Transaction::read(
-          &mut hex::decode(&tx_res.as_hex).expect("node returned non-hex transaction").as_slice(),
-        )
-        .expect("couldn't deserialize transaction");
-
-        assert_eq!(
-          hex::encode(tx.serialize()),
-          tx_res.as_hex,
-          "Transaction serialization was different"
-        );
-        assert_eq!(tx.hash(), tx_hash, "Transaction hash was different");
-
-        if matches!(tx.rct_signatures.prunable, RctPrunable::Null) {
-          assert_eq!(tx.prefix.version, 1);
-          assert!(!tx.signatures.is_empty());
-          continue;
-        }
-
-        let sig_hash = tx.signature_hash();
-        // 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 tx.rct_signatures.prunable {
-          RctPrunable::Null |
-          RctPrunable::AggregateMlsagBorromean { .. } |
-          RctPrunable::MlsagBorromean { .. } => {}
-          RctPrunable::MlsagBulletproofs { bulletproofs, .. } => {
-            assert!(bulletproofs.batch_verify(
-              &mut rand_core::OsRng,
-              &mut batch,
-              (),
-              &tx.rct_signatures.base.commitments
-            ));
-          }
-          RctPrunable::Clsag { bulletproofs, clsags, pseudo_outs } => {
-            assert!(bulletproofs.batch_verify(
-              &mut rand_core::OsRng,
-              &mut batch,
-              (),
-              &tx.rct_signatures.base.commitments
-            ));
-
-            for (i, clsag) in clsags.into_iter().enumerate() {
-              let (amount, key_offsets, image) = match &tx.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: &Rpc<HttpRpc>,
-                amount: u64,
-                indexes: &[u64],
-              ) -> Vec<[EdwardsPoint; 2]> {
-                #[derive(Deserialize, Debug)]
-                struct Out {
-                  key: String,
-                  mask: String,
-                }
-
-                #[derive(Deserialize, Debug)]
-                struct Outs {
-                  outs: Vec<Out>,
-                }
-
-                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::<Vec<_>>()
-                      })),
-                    )
-                    .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_vartime());
-    }
-
-    println!("Deserialized, hashed, and reserialized {block_i} with {txs_len} TXs");
-  }
-}
-
-#[cfg(feature = "binaries")]
-#[tokio::main]
-async fn main() {
-  use binaries::*;
-
-  let args = std::env::args().collect::<Vec<String>>();
-
-  // Read start block as the first arg
-  let mut block_i = args[1].parse::<usize>().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::<usize>().expect("invalid parallelism argument");
-
-  // Read further args as RPC URLs
-  let default_nodes = vec![
-    "http://xmr-node.cakewallet.com:18081".to_string(),
-    "https://node.sethforprivacy.com".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 {
-    HttpRpc::new(url.clone())
-      .await
-      .unwrap_or_else(|_| panic!("couldn't create HttpRpc connected to {url}"))
-  };
-  let main_rpc = rpc(nodes[0].clone()).await;
-  let mut rpcs = vec![];
-  for i in 0 .. async_parallelism {
-    rpcs.push(Arc::new(rpc(nodes[i % nodes.len()].clone()).await));
-  }
-
-  let mut rpc_i = 0;
-  let mut handles: Vec<JoinHandle<()>> = 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;
-    }
-  }
-}
-
-#[cfg(not(feature = "binaries"))]
-fn main() {
-  panic!("To run binaries, please build with `--feature binaries`.");
-}

coins/monero/src/block.rs

@@ -1,130 +0,0 @@
-use std_shims::{
-  vec::Vec,
-  io::{self, Read, Write},
-};
-
-use crate::{
-  hash,
-  merkle::merkle_root,
-  serialize::*,
-  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");
-
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub struct BlockHeader {
-  pub major_version: u8,
-  pub minor_version: u8,
-  pub timestamp: u64,
-  pub previous: [u8; 32],
-  pub nonce: u32,
-}
-
-impl BlockHeader {
-  pub fn write<W: Write>(&self, w: &mut W) -> io::Result<()> {
-    write_varint(&self.major_version, w)?;
-    write_varint(&self.minor_version, w)?;
-    write_varint(&self.timestamp, w)?;
-    w.write_all(&self.previous)?;
-    w.write_all(&self.nonce.to_le_bytes())
-  }
-
-  pub fn serialize(&self) -> Vec<u8> {
-    let mut serialized = vec![];
-    self.write(&mut serialized).unwrap();
-    serialized
-  }
-
-  pub fn read<R: Read>(r: &mut R) -> io::Result<BlockHeader> {
-    Ok(BlockHeader {
-      major_version: read_varint(r)?,
-      minor_version: read_varint(r)?,
-      timestamp: read_varint(r)?,
-      previous: read_bytes(r)?,
-      nonce: read_bytes(r).map(u32::from_le_bytes)?,
-    })
-  }
-}
-
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub struct Block {
-  pub header: BlockHeader,
-  pub miner_tx: Transaction,
-  pub txs: Vec<[u8; 32]>,
-}
-
-impl Block {
-  pub fn number(&self) -> Option<u64> {
-    match self.miner_tx.prefix.inputs.first() {
-      Some(Input::Gen(number)) => Some(*number),
-      _ => None,
-    }
-  }
-
-  pub fn write<W: Write>(&self, w: &mut W) -> io::Result<()> {
-    self.header.write(w)?;
-    self.miner_tx.write(w)?;
-    write_varint(&self.txs.len(), w)?;
-    for tx in &self.txs {
-      w.write_all(tx)?;
-    }
-    Ok(())
-  }
-
-  fn tx_merkle_root(&self) -> [u8; 32] {
-    merkle_root(self.miner_tx.hash(), &self.txs)
-  }
-
-  /// 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_hashable(&self) -> Vec<u8> {
-    let mut blob = self.header.serialize();
-    blob.extend_from_slice(&self.tx_merkle_root());
-    write_varint(&(1 + u64::try_from(self.txs.len()).unwrap()), &mut blob).unwrap();
-
-    blob
-  }
-
-  pub fn hash(&self) -> [u8; 32] {
-    let mut hashable = self.serialize_hashable();
-    // Monero pre-appends a VarInt of the block hashing blobs 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(8 + hashable.len());
-    write_varint(&u64::try_from(hashable.len()).unwrap(), &mut hashing_blob).unwrap();
-    hashing_blob.append(&mut hashable);
-
-    let hash = hash(&hashing_blob);
-    if hash == CORRECT_BLOCK_HASH_202612 {
-      return EXISTING_BLOCK_HASH_202612;
-    };
-
-    hash
-  }
-
-  pub fn serialize(&self) -> Vec<u8> {
-    let mut serialized = vec![];
-    self.write(&mut serialized).unwrap();
-    serialized
-  }
-
-  pub fn read<R: Read>(r: &mut R) -> io::Result<Block> {
-    let header = BlockHeader::read(r)?;
-
-    let miner_tx = Transaction::read(r)?;
-    if !matches!(miner_tx.prefix.inputs.as_slice(), &[Input::Gen(_)]) {
-      Err(io::Error::other("Miner transaction has incorrect input type."))?;
-    }
-
-    Ok(Block {
-      header,
-      miner_tx,
-      txs: (0_usize .. read_varint(r)?).map(|_| read_bytes(r)).collect::<Result<_, _>>()?,
-    })
-  }
-}

coins/monero/src/lib.rs

@@ -1,229 +0,0 @@
-#![cfg_attr(docsrs, feature(doc_auto_cfg))]
-#![doc = include_str!("../README.md")]
-#![cfg_attr(not(feature = "std"), no_std)]
-
-#[cfg(not(feature = "std"))]
-#[macro_use]
-extern crate alloc;
-
-use std_shims::{sync::OnceLock, io};
-
-use rand_core::{RngCore, CryptoRng};
-
-use zeroize::{Zeroize, ZeroizeOnDrop};
-
-use sha3::{Digest, Keccak256};
-
-use curve25519_dalek::{constants::ED25519_BASEPOINT_TABLE, scalar::Scalar, edwards::EdwardsPoint};
-
-pub use monero_generators::{H, decompress_point};
-
-mod merkle;
-
-mod serialize;
-use serialize::{read_byte, read_u16};
-
-/// UnreducedScalar struct with functionality for recovering incorrectly reduced scalars.
-mod unreduced_scalar;
-
-/// Ring Signature structs and functionality.
-pub mod ring_signatures;
-
-/// RingCT structs and functionality.
-pub mod ringct;
-use ringct::RctType;
-
-/// Transaction structs.
-pub mod transaction;
-/// Block structs.
-pub mod block;
-
-/// Monero daemon RPC interface.
-pub mod rpc;
-/// Wallet functionality, enabling scanning and sending transactions.
-pub mod wallet;
-
-#[cfg(test)]
-mod tests;
-
-pub const DEFAULT_LOCK_WINDOW: usize = 10;
-pub const COINBASE_LOCK_WINDOW: usize = 60;
-pub const BLOCK_TIME: usize = 120;
-
-static INV_EIGHT_CELL: OnceLock<Scalar> = OnceLock::new();
-#[allow(non_snake_case)]
-pub(crate) fn INV_EIGHT() -> Scalar {
-  *INV_EIGHT_CELL.get_or_init(|| Scalar::from(8u8).invert())
-}
-
-/// Monero protocol version.
-///
-/// v15 is omitted as v15 was simply v14 and v16 being active at the same time, with regards to the
-/// transactions supported. Accordingly, v16 should be used during v15.
-#[derive(Clone, Copy, PartialEq, Eq, Debug, Zeroize)]
-#[allow(non_camel_case_types)]
-pub enum Protocol {
-  v14,
-  v16,
-  Custom {
-    ring_len: usize,
-    bp_plus: bool,
-    optimal_rct_type: RctType,
-    view_tags: bool,
-    v16_fee: bool,
-  },
-}
-
-impl Protocol {
-  /// Amount of ring members under this protocol version.
-  pub fn ring_len(&self) -> usize {
-    match self {
-      Protocol::v14 => 11,
-      Protocol::v16 => 16,
-      Protocol::Custom { ring_len, .. } => *ring_len,
-    }
-  }
-
-  /// Whether or not the specified version uses Bulletproofs or Bulletproofs+.
-  ///
-  /// This method will likely be reworked when versions not using Bulletproofs at all are added.
-  pub fn bp_plus(&self) -> bool {
-    match self {
-      Protocol::v14 => false,
-      Protocol::v16 => true,
-      Protocol::Custom { bp_plus, .. } => *bp_plus,
-    }
-  }
-
-  // TODO: Make this an Option when we support pre-RCT protocols
-  pub fn optimal_rct_type(&self) -> RctType {
-    match self {
-      Protocol::v14 => RctType::Clsag,
-      Protocol::v16 => RctType::BulletproofsPlus,
-      Protocol::Custom { optimal_rct_type, .. } => *optimal_rct_type,
-    }
-  }
-
-  /// Whether or not the specified version uses view tags.
-  pub fn view_tags(&self) -> bool {
-    match self {
-      Protocol::v14 => false,
-      Protocol::v16 => true,
-      Protocol::Custom { view_tags, .. } => *view_tags,
-    }
-  }
-
-  /// Whether or not the specified version uses the fee algorithm from Monero
-  /// hard fork version 16 (released in v18 binaries).
-  pub fn v16_fee(&self) -> bool {
-    match self {
-      Protocol::v14 => false,
-      Protocol::v16 => true,
-      Protocol::Custom { v16_fee, .. } => *v16_fee,
-    }
-  }
-
-  pub(crate) fn write<W: io::Write>(&self, w: &mut W) -> io::Result<()> {
-    match self {
-      Protocol::v14 => w.write_all(&[0, 14]),
-      Protocol::v16 => w.write_all(&[0, 16]),
-      Protocol::Custom { ring_len, bp_plus, optimal_rct_type, view_tags, v16_fee } => {
-        // Custom, version 0
-        w.write_all(&[1, 0])?;
-        w.write_all(&u16::try_from(*ring_len).unwrap().to_le_bytes())?;
-        w.write_all(&[u8::from(*bp_plus)])?;
-        w.write_all(&[optimal_rct_type.to_byte()])?;
-        w.write_all(&[u8::from(*view_tags)])?;
-        w.write_all(&[u8::from(*v16_fee)])
-      }
-    }
-  }
-
-  pub(crate) fn read<R: io::Read>(r: &mut R) -> io::Result<Protocol> {
-    Ok(match read_byte(r)? {
-      // Monero protocol
-      0 => match read_byte(r)? {
-        14 => Protocol::v14,
-        16 => Protocol::v16,
-        _ => Err(io::Error::other("unrecognized monero protocol"))?,
-      },
-      // Custom
-      1 => match read_byte(r)? {
-        0 => Protocol::Custom {
-          ring_len: read_u16(r)?.into(),
-          bp_plus: match read_byte(r)? {
-            0 => false,
-            1 => true,
-            _ => Err(io::Error::other("invalid bool serialization"))?,
-          },
-          optimal_rct_type: RctType::from_byte(read_byte(r)?)
-            .ok_or_else(|| io::Error::other("invalid RctType serialization"))?,
-          view_tags: match read_byte(r)? {
-            0 => false,
-            1 => true,
-            _ => Err(io::Error::other("invalid bool serialization"))?,
-          },
-          v16_fee: match read_byte(r)? {
-            0 => false,
-            1 => true,
-            _ => Err(io::Error::other("invalid bool serialization"))?,
-          },
-        },
-        _ => Err(io::Error::other("unrecognized custom protocol serialization"))?,
-      },
-      _ => Err(io::Error::other("unrecognized protocol serialization"))?,
-    })
-  }
-}
-
-/// Transparent structure representing a Pedersen commitment's contents.
-#[allow(non_snake_case)]
-#[derive(Clone, PartialEq, Eq, Zeroize, ZeroizeOnDrop)]
-pub struct Commitment {
-  pub mask: Scalar,
-  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 }
-  }
-
-  pub fn new(mask: Scalar, amount: u64) -> Commitment {
-    Commitment { mask, amount }
-  }
-
-  /// Calculate a Pedersen commitment, as a point, from the transparent structure.
-  pub fn calculate(&self) -> EdwardsPoint {
-    (&self.mask * ED25519_BASEPOINT_TABLE) + (Scalar::from(self.amount) * H())
-  }
-}
-
-/// Support generating a random scalar using a modern rand, as dalek's is notoriously dated.
-pub fn random_scalar<R: RngCore + CryptoRng>(rng: &mut R) -> Scalar {
-  let mut r = [0; 64];
-  rng.fill_bytes(&mut r);
-  Scalar::from_bytes_mod_order_wide(&r)
-}
-
-pub(crate) fn hash(data: &[u8]) -> [u8; 32] {
-  Keccak256::digest(data).into()
-}
-
-/// Hash the provided data to a scalar via keccak256(data) % l.
-pub fn hash_to_scalar(data: &[u8]) -> Scalar {
-  let scalar = Scalar::from_bytes_mod_order(hash(data));
-  // 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, "ZERO HASH: {data:?}");
-  scalar
-}

coins/monero/src/merkle.rs

@@ -1,55 +0,0 @@
-use std_shims::vec::Vec;
-
-use crate::hash;
-
-pub(crate) fn merkle_root(root: [u8; 32], leafs: &[[u8; 32]]) -> [u8; 32] {
-  match leafs.len() {
-    0 => root,
-    1 => hash(&[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().unwrap();
-          paired_hashes.push(hash(&[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(hash(&[hashes[i], hashes[i + 1]].concat()));
-          i += 2;
-        }
-
-        hashes = new_hashes;
-        new_hashes = Vec::with_capacity(hashes.len() / 2);
-      }
-      hashes[0]
-    }
-  }
-}

coins/monero/src/ring_signatures.rs

@@ -1,72 +0,0 @@
-use std_shims::{
-  io::{self, *},
-  vec::Vec,
-};
-
-use zeroize::Zeroize;
-
-use curve25519_dalek::{EdwardsPoint, Scalar};
-
-use monero_generators::hash_to_point;
-
-use crate::{serialize::*, hash_to_scalar};
-
-#[derive(Clone, PartialEq, Eq, Debug, Zeroize)]
-pub struct Signature {
-  c: Scalar,
-  r: Scalar,
-}
-
-impl Signature {
-  pub fn write<W: Write>(&self, w: &mut W) -> io::Result<()> {
-    write_scalar(&self.c, w)?;
-    write_scalar(&self.r, w)?;
-    Ok(())
-  }
-
-  pub fn read<R: Read>(r: &mut R) -> io::Result<Signature> {
-    Ok(Signature { c: read_scalar(r)?, r: read_scalar(r)? })
-  }
-}
-
-#[derive(Clone, PartialEq, Eq, Debug, Zeroize)]
-pub struct RingSignature {
-  sigs: Vec<Signature>,
-}
-
-impl RingSignature {
-  pub fn write<W: Write>(&self, w: &mut W) -> io::Result<()> {
-    for sig in &self.sigs {
-      sig.write(w)?;
-    }
-    Ok(())
-  }
-
-  pub fn read<R: Read>(members: usize, r: &mut R) -> io::Result<RingSignature> {
-    Ok(RingSignature { sigs: read_raw_vec(Signature::read, members, r)? })
-  }
-
-  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 + (32 * 2 * ring.len()));
-    buf.extend_from_slice(msg);
-
-    let mut sum = Scalar::ZERO;
-
-    for (ring_member, sig) in ring.iter().zip(&self.sigs) {
-      #[allow(non_snake_case)]
-      let Li = EdwardsPoint::vartime_double_scalar_mul_basepoint(&sig.c, ring_member, &sig.r);
-      buf.extend_from_slice(Li.compress().as_bytes());
-      #[allow(non_snake_case)]
-      let Ri = (sig.r * hash_to_point(ring_member.compress().to_bytes())) + (sig.c * key_image);
-      buf.extend_from_slice(Ri.compress().as_bytes());
-
-      sum += sig.c;
-    }
-
-    sum == hash_to_scalar(&buf)
-  }
-}

coins/monero/src/ringct/borromean.rs

@@ -1,97 +0,0 @@
-use core::fmt::Debug;
-use std_shims::io::{self, Read, Write};
-
-use curve25519_dalek::{traits::Identity, Scalar, EdwardsPoint};
-
-use monero_generators::H_pow_2;
-
-use crate::{hash_to_scalar, unreduced_scalar::UnreducedScalar, serialize::*};
-
-/// 64 Borromean ring signatures.
-///
-/// 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)]
-pub struct BorromeanSignatures {
-  pub s0: [UnreducedScalar; 64],
-  pub s1: [UnreducedScalar; 64],
-  pub ee: Scalar,
-}
-
-impl BorromeanSignatures {
-  pub fn read<R: Read>(r: &mut R) -> io::Result<BorromeanSignatures> {
-    Ok(BorromeanSignatures {
-      s0: read_array(UnreducedScalar::read, r)?,
-      s1: read_array(UnreducedScalar::read, r)?,
-      ee: read_scalar(r)?,
-    })
-  }
-
-  pub fn write<W: 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].recover_monero_slide_scalar(),
-      );
-      #[allow(non_snake_case)]
-      let LV = EdwardsPoint::vartime_double_scalar_mul_basepoint(
-        &hash_to_scalar(LL.compress().as_bytes()),
-        &keys_b[i],
-        &self.s1[i].recover_monero_slide_scalar(),
-      );
-      transcript[(i * 32) .. ((i + 1) * 32)].copy_from_slice(LV.compress().as_bytes());
-    }
-
-    hash_to_scalar(&transcript) == self.ee
-  }
-}
-
-/// A range proof premised on Borromean ring signatures.
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub struct BorromeanRange {
-  pub sigs: BorromeanSignatures,
-  pub bit_commitments: [EdwardsPoint; 64],
-}
-
-impl BorromeanRange {
-  pub fn read<R: Read>(r: &mut R) -> io::Result<BorromeanRange> {
-    Ok(BorromeanRange {
-      sigs: BorromeanSignatures::read(r)?,
-      bit_commitments: read_array(read_point, r)?,
-    })
-  }
-  pub fn write<W: Write>(&self, w: &mut W) -> io::Result<()> {
-    self.sigs.write(w)?;
-    write_raw_vec(write_point, &self.bit_commitments, w)
-  }
-
-  pub fn verify(&self, commitment: &EdwardsPoint) -> bool {
-    if &self.bit_commitments.iter().sum::<EdwardsPoint>() != 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)
-  }
-}

coins/monero/src/ringct/bulletproofs/core.rs

@@ -1,151 +0,0 @@
-use std_shims::{vec::Vec, sync::OnceLock};
-
-use rand_core::{RngCore, CryptoRng};
-
-use subtle::{Choice, ConditionallySelectable};
-
-use curve25519_dalek::edwards::EdwardsPoint as DalekPoint;
-
-use group::{ff::Field, Group};
-use dalek_ff_group::{Scalar, EdwardsPoint};
-
-use multiexp::multiexp as multiexp_const;
-
-pub(crate) use monero_generators::Generators;
-
-use crate::{INV_EIGHT as DALEK_INV_EIGHT, H as DALEK_H, Commitment, hash_to_scalar as dalek_hash};
-pub(crate) use crate::ringct::bulletproofs::scalar_vector::*;
-
-#[inline]
-pub(crate) fn INV_EIGHT() -> Scalar {
-  Scalar(DALEK_INV_EIGHT())
-}
-
-#[inline]
-pub(crate) fn H() -> EdwardsPoint {
-  EdwardsPoint(DALEK_H())
-}
-
-pub(crate) fn hash_to_scalar(data: &[u8]) -> Scalar {
-  Scalar(dalek_hash(data))
-}
-
-// Components common between variants
-pub(crate) const MAX_M: usize = 16;
-pub(crate) const LOG_N: usize = 6; // 2 << 6 == N
-pub(crate) const N: usize = 64;
-
-pub(crate) fn prove_multiexp(pairs: &[(Scalar, EdwardsPoint)]) -> EdwardsPoint {
-  multiexp_const(pairs) * INV_EIGHT()
-}
-
-pub(crate) fn vector_exponent(
-  generators: &Generators,
-  a: &ScalarVector,
-  b: &ScalarVector,
-) -> EdwardsPoint {
-  debug_assert_eq!(a.len(), b.len());
-  (a * &generators.G[.. a.len()]) + (b * &generators.H[.. b.len()])
-}
-
-pub(crate) fn hash_cache(cache: &mut Scalar, mash: &[[u8; 32]]) -> Scalar {
-  let slice =
-    &[cache.to_bytes().as_ref(), mash.iter().copied().flatten().collect::<Vec<_>>().as_ref()]
-      .concat();
-  *cache = hash_to_scalar(slice);
-  *cache
-}
-
-pub(crate) fn MN(outputs: usize) -> (usize, usize, usize) {
-  let mut logM = 0;
-  let mut M;
-  while {
-    M = 1 << logM;
-    (M <= MAX_M) && (M < outputs)
-  } {
-    logM += 1;
-  }
-
-  (logM + LOG_N, M, M * N)
-}
-
-pub(crate) fn bit_decompose(commitments: &[Commitment]) -> (ScalarVector, ScalarVector) {
-  let (_, M, MN) = MN(commitments.len());
-
-  let sv = commitments.iter().map(|c| Scalar::from(c.amount)).collect::<Vec<_>>();
-  let mut aL = ScalarVector::new(MN);
-  let mut aR = ScalarVector::new(MN);
-
-  for j in 0 .. M {
-    for i in (0 .. N).rev() {
-      let bit =
-        if j < sv.len() { Choice::from((sv[j][i / 8] >> (i % 8)) & 1) } else { Choice::from(0) };
-      aL.0[(j * N) + i] = Scalar::conditional_select(&Scalar::ZERO, &Scalar::ONE, bit);
-      aR.0[(j * N) + i] = Scalar::conditional_select(&-Scalar::ONE, &Scalar::ZERO, bit);
-    }
-  }
-
-  (aL, aR)
-}
-
-pub(crate) fn hash_commitments<C: IntoIterator<Item = DalekPoint>>(
-  commitments: C,
-) -> (Scalar, Vec<EdwardsPoint>) {
-  let V = commitments.into_iter().map(|c| EdwardsPoint(c) * INV_EIGHT()).collect::<Vec<_>>();
-  (hash_to_scalar(&V.iter().flat_map(|V| V.compress().to_bytes()).collect::<Vec<_>>()), V)
-}
-
-pub(crate) fn alpha_rho<R: RngCore + CryptoRng>(
-  rng: &mut R,
-  generators: &Generators,
-  aL: &ScalarVector,
-  aR: &ScalarVector,
-) -> (Scalar, EdwardsPoint) {
-  let ar = Scalar::random(rng);
-  (ar, (vector_exponent(generators, aL, aR) + (EdwardsPoint::generator() * ar)) * INV_EIGHT())
-}
-
-pub(crate) fn LR_statements(
-  a: &ScalarVector,
-  G_i: &[EdwardsPoint],
-  b: &ScalarVector,
-  H_i: &[EdwardsPoint],
-  cL: Scalar,
-  U: EdwardsPoint,
-) -> Vec<(Scalar, EdwardsPoint)> {
-  let mut res = a
-    .0
-    .iter()
-    .copied()
-    .zip(G_i.iter().copied())
-    .chain(b.0.iter().copied().zip(H_i.iter().copied()))
-    .collect::<Vec<_>>();
-  res.push((cL, U));
-  res
-}
-
-static TWO_N_CELL: OnceLock<ScalarVector> = OnceLock::new();
-pub(crate) fn TWO_N() -> &'static ScalarVector {
-  TWO_N_CELL.get_or_init(|| ScalarVector::powers(Scalar::from(2u8), N))
-}
-
-pub(crate) fn challenge_products(w: &[Scalar], winv: &[Scalar]) -> Vec<Scalar> {
-  let mut products = vec![Scalar::ZERO; 1 << w.len()];
-  products[0] = winv[0];
-  products[1] = w[0];
-  for j in 1 .. w.len() {
-    let mut slots = (1 << (j + 1)) - 1;
-    while slots > 0 {
-      products[slots] = products[slots / 2] * w[j];
-      products[slots - 1] = products[slots / 2] * winv[j];
-      slots = slots.saturating_sub(2);
-    }
-  }
-
-  // Sanity check as if the above failed to populate, it'd be critical
-  for w in &products {
-    debug_assert!(!bool::from(w.is_zero()));
-  }
-
-  products
-}

coins/monero/src/ringct/bulletproofs/mod.rs

@@ -1,229 +0,0 @@
-#![allow(non_snake_case)]
-
-use std_shims::{
-  vec::Vec,
-  io::{self, Read, Write},
-};
-
-use rand_core::{RngCore, CryptoRng};
-
-use zeroize::{Zeroize, Zeroizing};
-
-use curve25519_dalek::edwards::EdwardsPoint;
-use multiexp::BatchVerifier;
-
-use crate::{Commitment, wallet::TransactionError, serialize::*};
-
-pub(crate) mod scalar_vector;
-pub(crate) mod core;
-use self::core::LOG_N;
-
-pub(crate) mod original;
-use self::original::OriginalStruct;
-
-pub(crate) mod plus;
-use self::plus::*;
-
-pub(crate) const MAX_OUTPUTS: usize = self::core::MAX_M;
-
-/// Bulletproofs enum, supporting the original and plus formulations.
-#[allow(clippy::large_enum_variant)]
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub enum Bulletproofs {
-  Original(OriginalStruct),
-  Plus(AggregateRangeProof),
-}
-
-impl Bulletproofs {
-  fn bp_fields(plus: bool) -> usize {
-    if plus {
-      6
-    } else {
-      9
-    }
-  }
-
-  // https://github.com/monero-project/monero/blob/94e67bf96bbc010241f29ada6abc89f49a81759c/
-  //   src/cryptonote_basic/cryptonote_format_utils.cpp#L106-L124
-  pub(crate) fn calculate_bp_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 {
-      LR_len += 1;
-      n_padded_outputs = 1 << LR_len;
-    }
-    LR_len += LOG_N;
-
-    let mut bp_clawback = 0;
-    if n_padded_outputs > 2 {
-      let fields = Bulletproofs::bp_fields(plus);
-      let base = ((fields + (2 * (LOG_N + 1))) * 32) / 2;
-      let size = (fields + (2 * LR_len)) * 32;
-      bp_clawback = ((base * n_padded_outputs) - size) * 4 / 5;
-    }
-
-    (bp_clawback, LR_len)
-  }
-
-  pub(crate) fn fee_weight(plus: bool, outputs: usize) -> usize {
-    #[allow(non_snake_case)]
-    let (bp_clawback, LR_len) = Bulletproofs::calculate_bp_clawback(plus, outputs);
-    32 * (Bulletproofs::bp_fields(plus) + (2 * LR_len)) + 2 + bp_clawback
-  }
-
-  /// Prove the list of commitments are within [0 .. 2^64).
-  pub fn prove<R: RngCore + CryptoRng>(
-    rng: &mut R,
-    outputs: &[Commitment],
-    plus: bool,
-  ) -> Result<Bulletproofs, TransactionError> {
-    if outputs.is_empty() {
-      Err(TransactionError::NoOutputs)?;
-    }
-    if outputs.len() > MAX_OUTPUTS {
-      Err(TransactionError::TooManyOutputs)?;
-    }
-    Ok(if !plus {
-      Bulletproofs::Original(OriginalStruct::prove(rng, outputs))
-    } else {
-      use dalek_ff_group::EdwardsPoint as DfgPoint;
-      Bulletproofs::Plus(
-        AggregateRangeStatement::new(outputs.iter().map(|com| DfgPoint(com.calculate())).collect())
-          .unwrap()
-          .prove(rng, &Zeroizing::new(AggregateRangeWitness::new(outputs).unwrap()))
-          .unwrap(),
-      )
-    })
-  }
-
-  /// Verify the given Bulletproofs.
-  #[must_use]
-  pub fn verify<R: RngCore + CryptoRng>(&self, rng: &mut R, commitments: &[EdwardsPoint]) -> bool {
-    match self {
-      Bulletproofs::Original(bp) => bp.verify(rng, commitments),
-      Bulletproofs::Plus(bp) => {
-        let mut verifier = BatchVerifier::new(1);
-        // If this commitment is torsioned (which is allowed), this won't be a well-formed
-        // dfg::EdwardsPoint (expected to be of prime-order)
-        // The actual BP+ impl will perform a torsion clear though, making this safe
-        // TODO: Have AggregateRangeStatement take in dalek EdwardsPoint for clarity on this
-        let Some(statement) = AggregateRangeStatement::new(
-          commitments.iter().map(|c| dalek_ff_group::EdwardsPoint(*c)).collect(),
-        ) else {
-          return false;
-        };
-        if !statement.verify(rng, &mut verifier, (), bp.clone()) {
-          return false;
-        }
-        verifier.verify_vartime()
-      }
-    }
-  }
-
-  /// Accumulate the verification for the given Bulletproofs into the specified BatchVerifier.
-  /// Returns false if the Bulletproofs aren't sane, without mutating the BatchVerifier.
-  /// Returns true if the Bulletproofs are sane, regardless of their validity.
-  #[must_use]
-  pub fn batch_verify<ID: Copy + Zeroize, R: RngCore + CryptoRng>(
-    &self,
-    rng: &mut R,
-    verifier: &mut BatchVerifier<ID, dalek_ff_group::EdwardsPoint>,
-    id: ID,
-    commitments: &[EdwardsPoint],
-  ) -> bool {
-    match self {
-      Bulletproofs::Original(bp) => bp.batch_verify(rng, verifier, id, commitments),
-      Bulletproofs::Plus(bp) => {
-        let Some(statement) = AggregateRangeStatement::new(
-          commitments.iter().map(|c| dalek_ff_group::EdwardsPoint(*c)).collect(),
-        ) else {
-          return false;
-        };
-        statement.verify(rng, verifier, id, bp.clone())
-      }
-    }
-  }
-
-  fn write_core<W: Write, F: Fn(&[EdwardsPoint], &mut W) -> io::Result<()>>(
-    &self,
-    w: &mut W,
-    specific_write_vec: F,
-  ) -> io::Result<()> {
-    match self {
-      Bulletproofs::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.taux, w)?;
-        write_scalar(&bp.mu, w)?;
-        specific_write_vec(&bp.L, w)?;
-        specific_write_vec(&bp.R, w)?;
-        write_scalar(&bp.a, w)?;
-        write_scalar(&bp.b, w)?;
-        write_scalar(&bp.t, w)
-      }
-
-      Bulletproofs::Plus(bp) => {
-        write_point(&bp.A.0, w)?;
-        write_point(&bp.wip.A.0, w)?;
-        write_point(&bp.wip.B.0, w)?;
-        write_scalar(&bp.wip.r_answer.0, w)?;
-        write_scalar(&bp.wip.s_answer.0, w)?;
-        write_scalar(&bp.wip.delta_answer.0, w)?;
-        specific_write_vec(&bp.wip.L.iter().copied().map(|L| L.0).collect::<Vec<_>>(), w)?;
-        specific_write_vec(&bp.wip.R.iter().copied().map(|R| R.0).collect::<Vec<_>>(), w)
-      }
-    }
-  }
-
-  pub(crate) fn signature_write<W: Write>(&self, w: &mut W) -> io::Result<()> {
-    self.write_core(w, |points, w| write_raw_vec(write_point, points, w))
-  }
-
-  pub fn write<W: Write>(&self, w: &mut W) -> io::Result<()> {
-    self.write_core(w, |points, w| write_vec(write_point, points, w))
-  }
-
-  pub fn serialize(&self) -> Vec<u8> {
-    let mut serialized = vec![];
-    self.write(&mut serialized).unwrap();
-    serialized
-  }
-
-  /// Read Bulletproofs.
-  pub fn read<R: Read>(r: &mut R) -> io::Result<Bulletproofs> {
-    Ok(Bulletproofs::Original(OriginalStruct {
-      A: read_point(r)?,
-      S: read_point(r)?,
-      T1: read_point(r)?,
-      T2: read_point(r)?,
-      taux: read_scalar(r)?,
-      mu: read_scalar(r)?,
-      L: read_vec(read_point, r)?,
-      R: read_vec(read_point, r)?,
-      a: read_scalar(r)?,
-      b: read_scalar(r)?,
-      t: read_scalar(r)?,
-    }))
-  }
-
-  /// Read Bulletproofs+.
-  pub fn read_plus<R: Read>(r: &mut R) -> io::Result<Bulletproofs> {
-    use dalek_ff_group::{Scalar as DfgScalar, EdwardsPoint as DfgPoint};
-
-    Ok(Bulletproofs::Plus(AggregateRangeProof {
-      A: DfgPoint(read_point(r)?),
-      wip: WipProof {
-        A: DfgPoint(read_point(r)?),
-        B: DfgPoint(read_point(r)?),
-        r_answer: DfgScalar(read_scalar(r)?),
-        s_answer: DfgScalar(read_scalar(r)?),
-        delta_answer: DfgScalar(read_scalar(r)?),
-        L: read_vec(read_point, r)?.into_iter().map(DfgPoint).collect(),
-        R: read_vec(read_point, r)?.into_iter().map(DfgPoint).collect(),
-      },
-    }))
-  }
-}

coins/monero/src/ringct/bulletproofs/original.rs

@@ -1,322 +0,0 @@
-use std_shims::{vec::Vec, sync::OnceLock};
-
-use rand_core::{RngCore, CryptoRng};
-
-use zeroize::Zeroize;
-
-use curve25519_dalek::{scalar::Scalar as DalekScalar, edwards::EdwardsPoint as DalekPoint};
-
-use group::{ff::Field, Group};
-use dalek_ff_group::{ED25519_BASEPOINT_POINT as G, Scalar, EdwardsPoint};
-
-use multiexp::{BatchVerifier, multiexp};
-
-use crate::{Commitment, ringct::bulletproofs::core::*};
-
-include!(concat!(env!("OUT_DIR"), "/generators.rs"));
-
-static IP12_CELL: OnceLock<Scalar> = OnceLock::new();
-pub(crate) fn IP12() -> Scalar {
-  *IP12_CELL.get_or_init(|| ScalarVector(vec![Scalar::ONE; N]).inner_product(TWO_N()))
-}
-
-pub(crate) fn hadamard_fold(
-  l: &[EdwardsPoint],
-  r: &[EdwardsPoint],
-  a: Scalar,
-  b: Scalar,
-) -> Vec<EdwardsPoint> {
-  let mut res = Vec::with_capacity(l.len() / 2);
-  for i in 0 .. l.len() {
-    res.push(multiexp(&[(a, l[i]), (b, r[i])]));
-  }
-  res
-}
-
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub struct OriginalStruct {
-  pub(crate) A: DalekPoint,
-  pub(crate) S: DalekPoint,
-  pub(crate) T1: DalekPoint,
-  pub(crate) T2: DalekPoint,
-  pub(crate) taux: DalekScalar,
-  pub(crate) mu: DalekScalar,
-  pub(crate) L: Vec<DalekPoint>,
-  pub(crate) R: Vec<DalekPoint>,
-  pub(crate) a: DalekScalar,
-  pub(crate) b: DalekScalar,
-  pub(crate) t: DalekScalar,
-}
-
-impl OriginalStruct {
-  pub(crate) fn prove<R: RngCore + CryptoRng>(
-    rng: &mut R,
-    commitments: &[Commitment],
-  ) -> OriginalStruct {
-    let (logMN, M, MN) = MN(commitments.len());
-
-    let (aL, aR) = bit_decompose(commitments);
-    let commitments_points = commitments.iter().map(Commitment::calculate).collect::<Vec<_>>();
-    let (mut cache, _) = hash_commitments(commitments_points.clone());
-
-    let (sL, sR) =
-      ScalarVector((0 .. (MN * 2)).map(|_| Scalar::random(&mut *rng)).collect::<Vec<_>>()).split();
-
-    let generators = GENERATORS();
-    let (mut alpha, A) = alpha_rho(&mut *rng, generators, &aL, &aR);
-    let (mut rho, S) = alpha_rho(&mut *rng, generators, &sL, &sR);
-
-    let y = hash_cache(&mut cache, &[A.compress().to_bytes(), S.compress().to_bytes()]);
-    let mut cache = hash_to_scalar(&y.to_bytes());
-    let z = cache;
-
-    let l0 = aL - z;
-    let l1 = sL;
-
-    let mut zero_twos = Vec::with_capacity(MN);
-    let zpow = ScalarVector::powers(z, M + 2);
-    for j in 0 .. M {
-      for i in 0 .. N {
-        zero_twos.push(zpow[j + 2] * TWO_N()[i]);
-      }
-    }
-
-    let yMN = ScalarVector::powers(y, MN);
-    let r0 = ((aR + z) * &yMN) + &ScalarVector(zero_twos);
-    let r1 = yMN * &sR;
-
-    let (T1, T2, x, mut taux) = {
-      let t1 = l0.clone().inner_product(&r1) + r0.clone().inner_product(&l1);
-      let t2 = l1.clone().inner_product(&r1);
-
-      let mut tau1 = Scalar::random(&mut *rng);
-      let mut tau2 = Scalar::random(&mut *rng);
-
-      let T1 = prove_multiexp(&[(t1, H()), (tau1, EdwardsPoint::generator())]);
-      let T2 = prove_multiexp(&[(t2, H()), (tau2, EdwardsPoint::generator())]);
-
-      let x =
-        hash_cache(&mut cache, &[z.to_bytes(), T1.compress().to_bytes(), T2.compress().to_bytes()]);
-
-      let taux = (tau2 * (x * x)) + (tau1 * x);
-
-      tau1.zeroize();
-      tau2.zeroize();
-      (T1, T2, x, taux)
-    };
-
-    let mu = (x * rho) + alpha;
-    alpha.zeroize();
-    rho.zeroize();
-
-    for (i, gamma) in commitments.iter().map(|c| Scalar(c.mask)).enumerate() {
-      taux += zpow[i + 2] * gamma;
-    }
-
-    let l = l0 + &(l1 * x);
-    let r = r0 + &(r1 * x);
-
-    let t = l.clone().inner_product(&r);
-
-    let x_ip =
-      hash_cache(&mut cache, &[x.to_bytes(), taux.to_bytes(), mu.to_bytes(), t.to_bytes()]);
-
-    let mut a = l;
-    let mut b = r;
-
-    let yinv = y.invert().unwrap();
-    let yinvpow = ScalarVector::powers(yinv, MN);
-
-    let mut G_proof = generators.G[.. a.len()].to_vec();
-    let mut H_proof = generators.H[.. a.len()].to_vec();
-    H_proof.iter_mut().zip(yinvpow.0.iter()).for_each(|(this_H, yinvpow)| *this_H *= yinvpow);
-    let U = H() * x_ip;
-
-    let mut L = Vec::with_capacity(logMN);
-    let mut R = Vec::with_capacity(logMN);
-
-    while a.len() != 1 {
-      let (aL, aR) = a.split();
-      let (bL, bR) = b.split();
-
-      let cL = aL.clone().inner_product(&bR);
-      let cR = aR.clone().inner_product(&bL);
-
-      let (G_L, G_R) = G_proof.split_at(aL.len());
-      let (H_L, H_R) = H_proof.split_at(aL.len());
-
-      let L_i = prove_multiexp(&LR_statements(&aL, G_R, &bR, H_L, cL, U));
-      let R_i = prove_multiexp(&LR_statements(&aR, G_L, &bL, H_R, cR, U));
-      L.push(L_i);
-      R.push(R_i);
-
-      let w = hash_cache(&mut cache, &[L_i.compress().to_bytes(), R_i.compress().to_bytes()]);
-      let winv = w.invert().unwrap();
-
-      a = (aL * w) + &(aR * winv);
-      b = (bL * winv) + &(bR * w);
-
-      if a.len() != 1 {
-        G_proof = hadamard_fold(G_L, G_R, winv, w);
-        H_proof = hadamard_fold(H_L, H_R, w, winv);
-      }
-    }
-
-    let res = OriginalStruct {
-      A: *A,
-      S: *S,
-      T1: *T1,
-      T2: *T2,
-      taux: *taux,
-      mu: *mu,
-      L: L.drain(..).map(|L| *L).collect(),
-      R: R.drain(..).map(|R| *R).collect(),
-      a: *a[0],
-      b: *b[0],
-      t: *t,
-    };
-    debug_assert!(res.verify(rng, &commitments_points));
-    res
-  }
-
-  #[must_use]
-  fn verify_core<ID: Copy + Zeroize, R: RngCore + CryptoRng>(
-    &self,
-    rng: &mut R,
-    verifier: &mut BatchVerifier<ID, EdwardsPoint>,
-    id: ID,
-    commitments: &[DalekPoint],
-  ) -> bool {
-    // Verify commitments are valid
-    if commitments.is_empty() || (commitments.len() > MAX_M) {
-      return false;
-    }
-
-    // Verify L and R are properly sized
-    if self.L.len() != self.R.len() {
-      return false;
-    }
-
-    let (logMN, M, MN) = MN(commitments.len());
-    if self.L.len() != logMN {
-      return false;
-    }
-
-    // Rebuild all challenges
-    let (mut cache, commitments) = hash_commitments(commitments.iter().copied());
-    let y = hash_cache(&mut cache, &[self.A.compress().to_bytes(), self.S.compress().to_bytes()]);
-
-    let z = hash_to_scalar(&y.to_bytes());
-    cache = z;
-
-    let x = hash_cache(
-      &mut cache,
-      &[z.to_bytes(), self.T1.compress().to_bytes(), self.T2.compress().to_bytes()],
-    );
-
-    let x_ip = hash_cache(
-      &mut cache,
-      &[x.to_bytes(), self.taux.to_bytes(), self.mu.to_bytes(), self.t.to_bytes()],
-    );
-
-    let mut w = Vec::with_capacity(logMN);
-    let mut winv = Vec::with_capacity(logMN);
-    for (L, R) in self.L.iter().zip(&self.R) {
-      w.push(hash_cache(&mut cache, &[L.compress().to_bytes(), R.compress().to_bytes()]));
-      winv.push(cache.invert().unwrap());
-    }
-
-    // Convert the proof from * INV_EIGHT to its actual form
-    let normalize = |point: &DalekPoint| EdwardsPoint(point.mul_by_cofactor());
-
-    let L = self.L.iter().map(normalize).collect::<Vec<_>>();
-    let R = self.R.iter().map(normalize).collect::<Vec<_>>();
-    let T1 = normalize(&self.T1);
-    let T2 = normalize(&self.T2);
-    let A = normalize(&self.A);
-    let S = normalize(&self.S);
-
-    let commitments = commitments.iter().map(EdwardsPoint::mul_by_cofactor).collect::<Vec<_>>();
-
-    // Verify it
-    let mut proof = Vec::with_capacity(4 + commitments.len());
-
-    let zpow = ScalarVector::powers(z, M + 3);
-    let ip1y = ScalarVector::powers(y, M * N).sum();
-    let mut k = -(zpow[2] * ip1y);
-    for j in 1 ..= M {
-      k -= zpow[j + 2] * IP12();
-    }
-    let y1 = Scalar(self.t) - ((z * ip1y) + k);
-    proof.push((-y1, H()));
-
-    proof.push((-Scalar(self.taux), G));
-
-    for (j, commitment) in commitments.iter().enumerate() {
-      proof.push((zpow[j + 2], *commitment));
-    }
-
-    proof.push((x, T1));
-    proof.push((x * x, T2));
-    verifier.queue(&mut *rng, id, proof);
-
-    proof = Vec::with_capacity(4 + (2 * (MN + logMN)));
-    let z3 = (Scalar(self.t) - (Scalar(self.a) * Scalar(self.b))) * x_ip;
-    proof.push((z3, H()));
-    proof.push((-Scalar(self.mu), G));
-
-    proof.push((Scalar::ONE, A));
-    proof.push((x, S));
-
-    {
-      let ypow = ScalarVector::powers(y, MN);
-      let yinv = y.invert().unwrap();
-      let yinvpow = ScalarVector::powers(yinv, MN);
-
-      let w_cache = challenge_products(&w, &winv);
-
-      let generators = GENERATORS();
-      for i in 0 .. MN {
-        let g = (Scalar(self.a) * w_cache[i]) + z;
-        proof.push((-g, generators.G[i]));
-
-        let mut h = Scalar(self.b) * yinvpow[i] * w_cache[(!i) & (MN - 1)];
-        h -= ((zpow[(i / N) + 2] * TWO_N()[i % N]) + (z * ypow[i])) * yinvpow[i];
-        proof.push((-h, generators.H[i]));
-      }
-    }
-
-    for i in 0 .. logMN {
-      proof.push((w[i] * w[i], L[i]));
-      proof.push((winv[i] * winv[i], R[i]));
-    }
-    verifier.queue(rng, id, proof);
-
-    true
-  }
-
-  #[must_use]
-  pub(crate) fn verify<R: RngCore + CryptoRng>(
-    &self,
-    rng: &mut R,
-    commitments: &[DalekPoint],
-  ) -> bool {
-    let mut verifier = BatchVerifier::new(1);
-    if self.verify_core(rng, &mut verifier, (), commitments) {
-      verifier.verify_vartime()
-    } else {
-      false
-    }
-  }
-
-  #[must_use]
-  pub(crate) fn batch_verify<ID: Copy + Zeroize, R: RngCore + CryptoRng>(
-    &self,
-    rng: &mut R,
-    verifier: &mut BatchVerifier<ID, EdwardsPoint>,
-    id: ID,
-    commitments: &[DalekPoint],
-  ) -> bool {
-    self.verify_core(rng, verifier, id, commitments)
-  }
-}

coins/monero/src/ringct/bulletproofs/plus/aggregate_range_proof.rs

@@ -1,257 +0,0 @@
-use std_shims::vec::Vec;
-
-use rand_core::{RngCore, CryptoRng};
-
-use zeroize::{Zeroize, ZeroizeOnDrop, Zeroizing};
-
-use multiexp::{multiexp, multiexp_vartime, BatchVerifier};
-use group::{
-  ff::{Field, PrimeField},
-  Group, GroupEncoding,
-};
-use dalek_ff_group::{Scalar, EdwardsPoint};
-
-use crate::{
-  Commitment,
-  ringct::{
-    bulletproofs::core::{MAX_M, N},
-    bulletproofs::plus::{
-      ScalarVector, PointVector, GeneratorsList, Generators,
-      transcript::*,
-      weighted_inner_product::{WipStatement, WipWitness, WipProof},
-      padded_pow_of_2, u64_decompose,
-    },
-  },
-};
-
-// Figure 3
-#[derive(Clone, Debug)]
-pub(crate) struct AggregateRangeStatement {
-  generators: Generators,
-  V: Vec<EdwardsPoint>,
-}
-
-impl Zeroize for AggregateRangeStatement {
-  fn zeroize(&mut self) {
-    self.V.zeroize();
-  }
-}
-
-#[derive(Clone, Debug, Zeroize, ZeroizeOnDrop)]
-pub(crate) struct AggregateRangeWitness {
-  values: Vec<u64>,
-  gammas: Vec<Scalar>,
-}
-
-impl AggregateRangeWitness {
-  pub(crate) fn new(commitments: &[Commitment]) -> Option<Self> {
-    if commitments.is_empty() || (commitments.len() > MAX_M) {
-      return None;
-    }
-
-    let mut values = Vec::with_capacity(commitments.len());
-    let mut gammas = Vec::with_capacity(commitments.len());
-    for commitment in commitments {
-      values.push(commitment.amount);
-      gammas.push(Scalar(commitment.mask));
-    }
-    Some(AggregateRangeWitness { values, gammas })
-  }
-}
-
-#[derive(Clone, PartialEq, Eq, Debug, Zeroize)]
-pub struct AggregateRangeProof {
-  pub(crate) A: EdwardsPoint,
-  pub(crate) wip: WipProof,
-}
-
-impl AggregateRangeStatement {
-  pub(crate) fn new(V: Vec<EdwardsPoint>) -> Option<Self> {
-    if V.is_empty() || (V.len() > MAX_M) {
-      return None;
-    }
-
-    Some(Self { generators: Generators::new(), V })
-  }
-
-  fn transcript_A(transcript: &mut Scalar, A: EdwardsPoint) -> (Scalar, Scalar) {
-    let y = hash_to_scalar(&[transcript.to_repr().as_ref(), A.to_bytes().as_ref()].concat());
-    let z = hash_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 * N);
-    for _ in 0 .. (j - 1) * N {
-      d_j.push(Scalar::ZERO);
-    }
-    d_j.append(&mut ScalarVector::powers(Scalar::from(2u8), N).0);
-    for _ in 0 .. (m - j) * N {
-      d_j.push(Scalar::ZERO);
-    }
-    ScalarVector(d_j)
-  }
-
-  fn compute_A_hat(
-    mut V: PointVector,
-    generators: &Generators,
-    transcript: &mut Scalar,
-    mut A: EdwardsPoint,
-  ) -> (Scalar, ScalarVector, Scalar, Scalar, ScalarVector, EdwardsPoint) {
-    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() * N;
-
-    let mut z_pow = Vec::with_capacity(V.len());
-
-    let mut d = ScalarVector::new(mn);
-    for j in 1 ..= V.len() {
-      z_pow.push(z.pow(Scalar::from(2 * u64::try_from(j).unwrap()))); // TODO: Optimize this
-      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::GBold1, i)));
-      A_terms.push((*d_y_z, generators.generator(GeneratorsList::HBold1, 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.square())),
-      Generators::g(),
-    ));
-
-    (
-      y,
-      d_descending_y_plus_z,
-      y_mn_plus_one,
-      z,
-      ScalarVector(z_pow),
-      A + multiexp_vartime(&A_terms),
-    )
-  }
-
-  pub(crate) fn prove<R: RngCore + CryptoRng>(
-    self,
-    rng: &mut R,
-    witness: &AggregateRangeWitness,
-  ) -> Option<AggregateRangeProof> {
-    // Check for consistency with the witness
-    if self.V.len() != witness.values.len() {
-      return None;
-    }
-    for (commitment, (value, gamma)) in
-      self.V.iter().zip(witness.values.iter().zip(witness.gammas.iter()))
-    {
-      if Commitment::new(**gamma, *value).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 mut V = V.into_iter().map(|V| EdwardsPoint(V.0 * crate::INV_EIGHT())).collect::<Vec<_>>();
-    let mut transcript = initial_transcript(V.iter());
-    V.iter_mut().for_each(|V| *V = V.mul_by_cofactor());
-
-    // Pad V
-    while V.len() < padded_pow_of_2(V.len()) {
-      V.push(EdwardsPoint::identity());
-    }
-
-    let generators = generators.reduce(V.len() * N);
-
-    let mut d_js = Vec::with_capacity(V.len());
-    let mut a_l = ScalarVector(Vec::with_capacity(V.len() * N));
-    for j in 1 ..= V.len() {
-      d_js.push(Self::d_j(j, V.len()));
-      a_l.0.append(&mut u64_decompose(*witness.values.get(j - 1).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::GBold1, i)));
-    }
-    for (i, a_r) in a_r.0.iter().enumerate() {
-      A_terms.push((*a_r, generators.generator(GeneratorsList::HBold1, i)));
-    }
-    A_terms.push((alpha, Generators::h()));
-    let mut A = multiexp(&A_terms);
-    A_terms.zeroize();
-
-    // Multiply by INV_EIGHT per earlier commentary
-    A.0 *= crate::INV_EIGHT();
-
-    let (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.gammas.len() {
-      alpha += z_pow[j - 1] * witness.gammas[j - 1] * 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).unwrap()))
-        .unwrap(),
-    })
-  }
-
-  pub(crate) fn verify<Id: Copy + Zeroize, R: RngCore + CryptoRng>(
-    self,
-    rng: &mut R,
-    verifier: &mut BatchVerifier<Id, EdwardsPoint>,
-    id: Id,
-    proof: AggregateRangeProof,
-  ) -> bool {
-    let Self { generators, V } = self;
-
-    let mut V = V.into_iter().map(|V| EdwardsPoint(V.0 * crate::INV_EIGHT())).collect::<Vec<_>>();
-    let mut transcript = initial_transcript(V.iter());
-    V.iter_mut().for_each(|V| *V = V.mul_by_cofactor());
-
-    let generators = generators.reduce(V.len() * N);
-
-    let (y, _, _, _, _, A_hat) =
-      Self::compute_A_hat(PointVector(V), &generators, &mut transcript, proof.A);
-    WipStatement::new(generators, A_hat, y).verify(rng, verifier, id, transcript, proof.wip)
-  }
-}

coins/monero/src/ringct/bulletproofs/plus/mod.rs

@@ -1,85 +0,0 @@
-#![allow(non_snake_case)]
-
-use group::Group;
-use dalek_ff_group::{Scalar, EdwardsPoint};
-
-pub(crate) use crate::ringct::bulletproofs::scalar_vector::ScalarVector;
-mod point_vector;
-pub(crate) use 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 {
-  GBold1,
-  HBold1,
-}
-
-// TODO: Table these
-#[derive(Clone, Debug)]
-pub(crate) struct Generators {
-  g_bold1: &'static [EdwardsPoint],
-  h_bold1: &'static [EdwardsPoint],
-}
-
-mod generators {
-  use std_shims::sync::OnceLock;
-  use monero_generators::Generators;
-  include!(concat!(env!("OUT_DIR"), "/generators_plus.rs"));
-}
-
-impl Generators {
-  #[allow(clippy::new_without_default)]
-  pub(crate) fn new() -> Self {
-    let gens = generators::GENERATORS();
-    Generators { g_bold1: &gens.G, h_bold1: &gens.H }
-  }
-
-  pub(crate) fn len(&self) -> usize {
-    self.g_bold1.len()
-  }
-
-  pub(crate) fn g() -> EdwardsPoint {
-    dalek_ff_group::EdwardsPoint(crate::H())
-  }
-
-  pub(crate) fn h() -> EdwardsPoint {
-    EdwardsPoint::generator()
-  }
-
-  pub(crate) fn generator(&self, list: GeneratorsList, i: usize) -> EdwardsPoint {
-    match list {
-      GeneratorsList::GBold1 => self.g_bold1[i],
-      GeneratorsList::HBold1 => self.h_bold1[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_bold1.len());
-
-    Generators { g_bold1: &self.g_bold1[.. generators], h_bold1: &self.h_bold1[.. 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
-}

coins/monero/src/ringct/bulletproofs/plus/point_vector.rs

@@ -1,50 +0,0 @@
-use core::ops::{Index, IndexMut};
-use std_shims::vec::Vec;
-
-use zeroize::{Zeroize, ZeroizeOnDrop};
-
-use dalek_ff_group::EdwardsPoint;
-
-#[cfg(test)]
-use multiexp::multiexp;
-#[cfg(test)]
-use crate::ringct::bulletproofs::plus::ScalarVector;
-
-#[derive(Clone, PartialEq, Eq, Debug, Zeroize, ZeroizeOnDrop)]
-pub(crate) struct PointVector(pub(crate) Vec<EdwardsPoint>);
-
-impl Index<usize> for PointVector {
-  type Output = EdwardsPoint;
-  fn index(&self, index: usize) -> &EdwardsPoint {
-    &self.0[index]
-  }
-}
-
-impl IndexMut<usize> for PointVector {
-  fn index_mut(&mut self, index: usize) -> &mut EdwardsPoint {
-    &mut self.0[index]
-  }
-}
-
-impl PointVector {
-  #[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))
-  }
-}

coins/monero/src/ringct/bulletproofs/plus/transcript.rs

@@ -1,24 +0,0 @@
-use std_shims::{sync::OnceLock, vec::Vec};
-
-use dalek_ff_group::{Scalar, EdwardsPoint};
-
-use monero_generators::{hash_to_point as raw_hash_to_point};
-use crate::{hash, hash_to_scalar as dalek_hash};
-
-// Monero starts BP+ transcripts with the following constant.
-static TRANSCRIPT_CELL: OnceLock<[u8; 32]> = OnceLock::new();
-pub(crate) fn TRANSCRIPT() -> [u8; 32] {
-  // Why this uses a hash_to_point is completely unknown.
-  *TRANSCRIPT_CELL
-    .get_or_init(|| raw_hash_to_point(hash(b"bulletproof_plus_transcript")).compress().to_bytes())
-}
-
-pub(crate) fn hash_to_scalar(data: &[u8]) -> Scalar {
-  Scalar(dalek_hash(data))
-}
-
-pub(crate) fn initial_transcript(commitments: core::slice::Iter<'_, EdwardsPoint>) -> Scalar {
-  let commitments_hash =
-    hash_to_scalar(&commitments.flat_map(|V| V.compress().to_bytes()).collect::<Vec<_>>());
-  hash_to_scalar(&[TRANSCRIPT().as_ref(), &commitments_hash.to_bytes()].concat())
-}

coins/monero/src/ringct/bulletproofs/plus/weighted_inner_product.rs

@@ -1,444 +0,0 @@
-use std_shims::vec::Vec;
-
-use rand_core::{RngCore, CryptoRng};
-
-use zeroize::{Zeroize, ZeroizeOnDrop};
-
-use multiexp::{BatchVerifier, multiexp, multiexp_vartime};
-use group::{
-  ff::{Field, PrimeField},
-  GroupEncoding,
-};
-use dalek_ff_group::{Scalar, EdwardsPoint};
-
-use crate::ringct::bulletproofs::plus::{
-  ScalarVector, PointVector, GeneratorsList, Generators, padded_pow_of_2, transcript::*,
-};
-
-// Figure 1
-#[derive(Clone, Debug)]
-pub(crate) struct WipStatement {
-  generators: Generators,
-  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<Self> {
-    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<EdwardsPoint>,
-  pub(crate) R: Vec<EdwardsPoint>,
-  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: Generators, 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 = hash_to_scalar(
-      &[transcript.to_repr().as_ref(), L.to_bytes().as_ref(), R.to_bytes().as_ref()].concat(),
-    );
-    *transcript = e;
-    e
-  }
-
-  fn transcript_A_B(transcript: &mut Scalar, A: EdwardsPoint, B: EdwardsPoint) -> Scalar {
-    let e = hash_to_scalar(
-      &[transcript.to_repr().as_ref(), A.to_bytes().as_ref(), B.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
-  // TODO: It'd still probably be faster to keep in terms of the original generators, both between
-  // the reduced amount of group operations and the potential tabling of the generators under
-  // multiexp
-  #[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().unwrap();
-
-    // 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.square();
-    let inv_e_square = inv_e.square();
-
-    (e, inv_e, e_square, inv_e_square, PointVector(new_g_bold), PointVector(new_h_bold))
-  }
-
-  /*
-  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.
-  */
-  fn challenge_products(challenges: &[(Scalar, Scalar)]) -> Vec<Scalar> {
-    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!(!bool::from(product.is_zero()));
-      }
-    }
-
-    products
-  }
-
-  pub(crate) fn prove<R: RngCore + CryptoRng>(
-    self,
-    rng: &mut R,
-    mut transcript: Scalar,
-    witness: &WipWitness,
-  ) -> Option<WipProof> {
-    let WipStatement { generators, P, mut y } = self;
-    #[cfg(not(debug_assertions))]
-    let _ = P;
-
-    if generators.len() != witness.a.len() {
-      return None;
-    }
-    let (g, h) = (Generators::g(), Generators::h());
-    let mut g_bold = vec![];
-    let mut h_bold = vec![];
-    for i in 0 .. generators.len() {
-      g_bold.push(generators.generator(GeneratorsList::GBold1, i));
-      h_bold.push(generators.generator(GeneratorsList::HBold1, i));
-    }
-    let mut g_bold = PointVector(g_bold);
-    let mut h_bold = PointVector(h_bold);
-
-    // 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::<Vec<_>>();
-      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);
-
-      // TODO: Calculate these with a batch inversion
-      let y_inv_n_hat = y_n_hat.invert().unwrap();
-
-      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::<Vec<_>>();
-      L_terms.push((c_l, g));
-      L_terms.push((d_l, h));
-      let L = multiexp(&L_terms) * Scalar(crate::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::<Vec<_>>();
-      R_terms.push((c_r, g));
-      R_terms.push((d_r, h));
-      let R = multiexp(&R_terms) * Scalar(crate::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) * Scalar(crate::INV_EIGHT());
-    A_terms.zeroize();
-
-    let mut B_terms = vec![(ry * s, g), (eta, h)];
-    let B = multiexp(&B_terms) * Scalar(crate::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.square());
-
-    Some(WipProof { L: L_vec, R: R_vec, A, B, r_answer, s_answer, delta_answer })
-  }
-
-  pub(crate) fn verify<Id: Copy + Zeroize, R: RngCore + CryptoRng>(
-    self,
-    rng: &mut R,
-    verifier: &mut BatchVerifier<Id, EdwardsPoint>,
-    id: Id,
-    mut transcript: Scalar,
-    mut proof: WipProof,
-  ) -> bool {
-    let WipStatement { generators, P, y } = self;
-
-    let (g, h) = (Generators::g(), Generators::h());
-
-    // 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().unwrap();
-      let mut res = Vec::with_capacity(y.len());
-      res.push(inv_y);
-      while res.len() < y.len() {
-        res.push(inv_y * res.last().unwrap());
-      }
-      res
-    };
-
-    let mut P_terms = vec![(Scalar::ONE, P)];
-    P_terms.reserve(6 + (2 * generators.len()) + proof.L.len());
-
-    let mut challenges = Vec::with_capacity(proof.L.len());
-    let product_cache = {
-      let mut es = Vec::with_capacity(proof.L.len());
-      for (L, R) in proof.L.iter_mut().zip(proof.R.iter_mut()) {
-        es.push(Self::transcript_L_R(&mut transcript, *L, *R));
-        *L = L.mul_by_cofactor();
-        *R = R.mul_by_cofactor();
-      }
-
-      let mut inv_es = es.clone();
-      let mut scratch = vec![Scalar::ZERO; es.len()];
-      group::ff::BatchInverter::invert_with_external_scratch(&mut inv_es, &mut scratch);
-      drop(scratch);
-
-      debug_assert_eq!(es.len(), inv_es.len());
-      debug_assert_eq!(es.len(), proof.L.len());
-      debug_assert_eq!(es.len(), proof.R.len());
-      for ((e, inv_e), (L, R)) in
-        es.drain(..).zip(inv_es.drain(..)).zip(proof.L.iter().zip(proof.R.iter()))
-      {
-        debug_assert_eq!(e.invert().unwrap(), inv_e);
-
-        challenges.push((e, inv_e));
-
-        let e_square = e.square();
-        let inv_e_square = inv_e.square();
-        P_terms.push((e_square, *L));
-        P_terms.push((inv_e_square, *R));
-      }
-
-      Self::challenge_products(&challenges)
-    };
-
-    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 = -e.square();
-
-    let mut multiexp = P_terms;
-    multiexp.reserve(4 + (2 * generators.len()));
-    for (scalar, _) in &mut multiexp {
-      *scalar *= neg_e_square;
-    }
-
-    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];
-      }
-      multiexp.push((scalar, generators.generator(GeneratorsList::GBold1, i)));
-    }
-
-    let se = proof.s_answer * e;
-    for i in 0 .. generators.len() {
-      multiexp.push((
-        se * product_cache[product_cache.len() - 1 - i],
-        generators.generator(GeneratorsList::HBold1, i),
-      ));
-    }
-
-    multiexp.push((-e, proof.A));
-    multiexp.push((proof.r_answer * y[0] * proof.s_answer, g));
-    multiexp.push((proof.delta_answer, h));
-    multiexp.push((-Scalar::ONE, proof.B));
-
-    verifier.queue(rng, id, multiexp);
-
-    true
-  }
-}

coins/monero/src/ringct/bulletproofs/scalar_vector.rs

@@ -1,138 +0,0 @@
-use core::{
-  borrow::Borrow,
-  ops::{Index, IndexMut, Add, Sub, Mul},
-};
-use std_shims::vec::Vec;
-
-use zeroize::{Zeroize, ZeroizeOnDrop};
-
-use group::ff::Field;
-use dalek_ff_group::{Scalar, EdwardsPoint};
-use multiexp::multiexp;
-
-#[derive(Clone, PartialEq, Eq, Debug, Zeroize, ZeroizeOnDrop)]
-pub(crate) struct ScalarVector(pub(crate) Vec<Scalar>);
-
-impl Index<usize> for ScalarVector {
-  type Output = Scalar;
-  fn index(&self, index: usize) -> &Scalar {
-    &self.0[index]
-  }
-}
-impl IndexMut<usize> for ScalarVector {
-  fn index_mut(&mut self, index: usize) -> &mut Scalar {
-    &mut self.0[index]
-  }
-}
-
-impl<S: Borrow<Scalar>> Add<S> for ScalarVector {
-  type Output = ScalarVector;
-  fn add(mut self, scalar: S) -> ScalarVector {
-    for s in &mut self.0 {
-      *s += scalar.borrow();
-    }
-    self
-  }
-}
-impl<S: Borrow<Scalar>> Sub<S> for ScalarVector {
-  type Output = ScalarVector;
-  fn sub(mut self, scalar: S) -> ScalarVector {
-    for s in &mut self.0 {
-      *s -= scalar.borrow();
-    }
-    self
-  }
-}
-impl<S: Borrow<Scalar>> Mul<S> 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::<Vec<_>>();
-    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))
-  }
-}

coins/monero/src/ringct/clsag/mod.rs

@@ -1,324 +0,0 @@
-#![allow(non_snake_case)]
-
-use core::ops::Deref;
-use std_shims::{
-  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,
-  scalar::Scalar,
-  traits::{IsIdentity, VartimePrecomputedMultiscalarMul},
-  edwards::{EdwardsPoint, VartimeEdwardsPrecomputation},
-};
-
-use crate::{
-  INV_EIGHT, Commitment, random_scalar, hash_to_scalar, wallet::decoys::Decoys,
-  ringct::hash_to_point, serialize::*,
-};
-
-#[cfg(feature = "multisig")]
-mod multisig;
-#[cfg(feature = "multisig")]
-pub use multisig::{ClsagDetails, ClsagAddendum, ClsagMultisig};
-#[cfg(feature = "multisig")]
-pub(crate) use multisig::add_key_image_share;
-
-/// Errors returned when CLSAG signing fails.
-#[derive(Clone, Copy, PartialEq, Eq, Debug)]
-#[cfg_attr(feature = "std", derive(thiserror::Error))]
-pub enum ClsagError {
-  #[cfg_attr(feature = "std", error("internal error ({0})"))]
-  InternalError(&'static str),
-  #[cfg_attr(feature = "std", error("invalid ring"))]
-  InvalidRing,
-  #[cfg_attr(feature = "std", error("invalid ring member (member {0}, ring size {1})"))]
-  InvalidRingMember(u8, u8),
-  #[cfg_attr(feature = "std", error("invalid commitment"))]
-  InvalidCommitment,
-  #[cfg_attr(feature = "std", error("invalid key image"))]
-  InvalidImage,
-  #[cfg_attr(feature = "std", error("invalid D"))]
-  InvalidD,
-  #[cfg_attr(feature = "std", error("invalid s"))]
-  InvalidS,
-  #[cfg_attr(feature = "std", error("invalid c1"))]
-  InvalidC1,
-}
-
-/// Input being signed for.
-#[derive(Clone, PartialEq, Eq, Debug, Zeroize, ZeroizeOnDrop)]
-pub struct ClsagInput {
-  // The actual commitment for the true spend
-  pub(crate) commitment: Commitment,
-  // True spend index, offsets, and ring
-  pub(crate) decoys: Decoys,
-}
-
-impl ClsagInput {
-  pub fn new(commitment: Commitment, decoys: Decoys) -> Result<ClsagInput, ClsagError> {
-    let n = decoys.len();
-    if n > u8::MAX.into() {
-      Err(ClsagError::InternalError("max ring size in this library is u8 max"))?;
-    }
-    let n = u8::try_from(n).unwrap();
-    if decoys.i >= n {
-      Err(ClsagError::InvalidRingMember(decoys.i, n))?;
-    }
-
-    // Validate the commitment matches
-    if decoys.ring[usize::from(decoys.i)][1] != commitment.calculate() {
-      Err(ClsagError::InvalidCommitment)?;
-    }
-
-    Ok(ClsagInput { commitment, decoys })
-  }
-}
-
-#[allow(clippy::large_enum_variant)]
-enum Mode {
-  Sign(usize, EdwardsPoint, EdwardsPoint),
-  Verify(Scalar),
-}
-
-// 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: &[u8; 32],
-  D: &EdwardsPoint,
-  s: &[Scalar],
-  A_c1: &Mode,
-) -> ((EdwardsPoint, Scalar, Scalar), Scalar) {
-  let n = ring.len();
-
-  let images_precomp = VartimeEdwardsPrecomputation::new([I, D]);
-  let D = D * 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());
-  to_hash.extend(D.compress().to_bytes());
-  to_hash.extend(pseudo_out.compress().to_bytes());
-  // mu_P with agg_0
-  let mu_P = hash_to_scalar(&to_hash);
-  // mu_C with agg_1
-  to_hash[PREFIX_AGG_0_LEN - 1] = b'1';
-  let mu_C = hash_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);
-
-  // Configure the loop based on if we're signing or verifying
-  let start;
-  let end;
-  let mut c;
-  match A_c1 {
-    Mode::Sign(r, A, AH) => {
-      start = r + 1;
-      end = r + n;
-      to_hash.extend(A.compress().to_bytes());
-      to_hash.extend(AH.compress().to_bytes());
-      c = hash_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;
-
-    let L = (&s[i] * ED25519_BASEPOINT_TABLE) + (c_p * P[i]) + (c_c * C[i]);
-    let PH = hash_to_point(&P[i]);
-    // Shouldn't be an issue as all of the variables in this vartime statement are public
-    let R = (s[i] * PH) + images_precomp.vartime_multiscalar_mul([c_p, c_c]);
-
-    to_hash.truncate(((2 * n) + 3) * 32);
-    to_hash.extend(L.compress().to_bytes());
-    to_hash.extend(R.compress().to_bytes());
-    c = hash_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, c * mu_P, c * mu_C), c1)
-}
-
-/// CLSAG signature, as used in Monero.
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub struct Clsag {
-  pub D: EdwardsPoint,
-  pub s: Vec<Scalar>,
-  pub c1: 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
-  pub(crate) fn sign_core<R: RngCore + CryptoRng>(
-    rng: &mut R,
-    I: &EdwardsPoint,
-    input: &ClsagInput,
-    mask: Scalar,
-    msg: &[u8; 32],
-    A: EdwardsPoint,
-    AH: EdwardsPoint,
-  ) -> (Clsag, EdwardsPoint, Scalar, Scalar) {
-    let r: usize = input.decoys.i.into();
-
-    let pseudo_out = Commitment::new(mask, input.commitment.amount).calculate();
-    let z = input.commitment.mask - mask;
-
-    let H = hash_to_point(&input.decoys.ring[r][0]);
-    let D = H * z;
-    let mut s = Vec::with_capacity(input.decoys.ring.len());
-    for _ in 0 .. input.decoys.ring.len() {
-      s.push(random_scalar(rng));
-    }
-    let ((D, p, c), c1) =
-      core(&input.decoys.ring, I, &pseudo_out, msg, &D, &s, &Mode::Sign(r, A, AH));
-
-    (Clsag { D, s, c1 }, pseudo_out, p, c * z)
-  }
-
-  /// Generate CLSAG signatures for the given inputs.
-  /// inputs is of the form (private key, key image, input).
-  /// sum_outputs is for the sum of the outputs' commitment masks.
-  pub fn sign<R: RngCore + CryptoRng>(
-    rng: &mut R,
-    mut inputs: Vec<(Zeroizing<Scalar>, EdwardsPoint, ClsagInput)>,
-    sum_outputs: Scalar,
-    msg: [u8; 32],
-  ) -> Vec<(Clsag, EdwardsPoint)> {
-    let mut res = Vec::with_capacity(inputs.len());
-    let mut sum_pseudo_outs = Scalar::ZERO;
-    for i in 0 .. inputs.len() {
-      let mut mask = random_scalar(rng);
-      if i == (inputs.len() - 1) {
-        mask = sum_outputs - sum_pseudo_outs;
-      } else {
-        sum_pseudo_outs += mask;
-      }
-
-      let mut nonce = Zeroizing::new(random_scalar(rng));
-      let (mut clsag, pseudo_out, p, c) = Clsag::sign_core(
-        rng,
-        &inputs[i].1,
-        &inputs[i].2,
-        mask,
-        &msg,
-        nonce.deref() * ED25519_BASEPOINT_TABLE,
-        nonce.deref() *
-          hash_to_point(&inputs[i].2.decoys.ring[usize::from(inputs[i].2.decoys.i)][0]),
-      );
-      clsag.s[usize::from(inputs[i].2.decoys.i)] =
-        (-((p * inputs[i].0.deref()) + c)) + nonce.deref();
-      inputs[i].0.zeroize();
-      nonce.zeroize();
-
-      debug_assert!(clsag
-        .verify(&inputs[i].2.decoys.ring, &inputs[i].1, &pseudo_out, &msg)
-        .is_ok());
-
-      res.push((clsag, pseudo_out));
-    }
-
-    res
-  }
-
-  /// Verify the CLSAG signature against the given Transaction data.
-  pub fn verify(
-    &self,
-    ring: &[[EdwardsPoint; 2]],
-    I: &EdwardsPoint,
-    pseudo_out: &EdwardsPoint,
-    msg: &[u8; 32],
-  ) -> Result<(), ClsagError> {
-    // Preliminary checks. s, c1, and points must also be encoded canonically, which isn't checked
-    // here
-    if ring.is_empty() {
-      Err(ClsagError::InvalidRing)?;
-    }
-    if ring.len() != self.s.len() {
-      Err(ClsagError::InvalidS)?;
-    }
-    if I.is_identity() {
-      Err(ClsagError::InvalidImage)?;
-    }
-
-    let D = self.D.mul_by_cofactor();
-    if D.is_identity() {
-      Err(ClsagError::InvalidD)?;
-    }
-
-    let (_, c1) = core(ring, I, pseudo_out, msg, &D, &self.s, &Mode::Verify(self.c1));
-    if c1 != self.c1 {
-      Err(ClsagError::InvalidC1)?;
-    }
-    Ok(())
-  }
-
-  pub(crate) fn fee_weight(ring_len: usize) -> usize {
-    (ring_len * 32) + 32 + 32
-  }
-
-  pub fn write<W: 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)
-  }
-
-  pub fn read<R: Read>(decoys: usize, r: &mut R) -> io::Result<Clsag> {
-    Ok(Clsag { s: read_raw_vec(read_scalar, decoys, r)?, c1: read_scalar(r)?, D: read_point(r)? })
-  }
-}

coins/monero/src/ringct/clsag/multisig.rs

@@ -1,305 +0,0 @@
-use core::{ops::Deref, fmt::Debug};
-use std_shims::io::{self, Read, Write};
-use std::sync::{Arc, RwLock};
-
-use rand_core::{RngCore, CryptoRng, SeedableRng};
-use rand_chacha::ChaCha20Rng;
-
-use zeroize::{Zeroize, ZeroizeOnDrop, Zeroizing};
-
-use curve25519_dalek::{scalar::Scalar, edwards::EdwardsPoint};
-
-use group::{ff::Field, Group, GroupEncoding};
-
-use transcript::{Transcript, RecommendedTranscript};
-use dalek_ff_group as dfg;
-use dleq::DLEqProof;
-use frost::{
-  dkg::lagrange,
-  curve::Ed25519,
-  Participant, FrostError, ThresholdKeys, ThresholdView,
-  algorithm::{WriteAddendum, Algorithm},
-};
-
-use crate::ringct::{
-  hash_to_point,
-  clsag::{ClsagInput, Clsag},
-};
-
-fn dleq_transcript() -> RecommendedTranscript {
-  RecommendedTranscript::new(b"monero_key_image_dleq")
-}
-
-impl ClsagInput {
-  fn transcript<T: 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"real_spend", [self.decoys.i]);
-
-    // Ring
-    for (i, pair) in self.decoys.ring.iter().enumerate() {
-      // Doesn't include global output indexes as CLSAG doesn't care and won't be affected by it
-      // They're just a unreliable reference to this data which will be included in the message
-      // if in use
-      transcript.append_message(b"member", [u8::try_from(i).expect("ring size exceeded 255")]);
-      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
-  }
-}
-
-/// CLSAG input and the mask to use for it.
-#[derive(Clone, Debug, Zeroize, ZeroizeOnDrop)]
-pub struct ClsagDetails {
-  input: ClsagInput,
-  mask: Scalar,
-}
-
-impl ClsagDetails {
-  pub fn new(input: ClsagInput, mask: Scalar) -> ClsagDetails {
-    ClsagDetails { input, mask }
-  }
-}
-
-/// Addendum produced during the FROST signing process with relevant data.
-#[derive(Clone, PartialEq, Eq, Zeroize, Debug)]
-pub struct ClsagAddendum {
-  pub(crate) key_image: dfg::EdwardsPoint,
-  dleq: DLEqProof<dfg::EdwardsPoint>,
-}
-
-impl WriteAddendum for ClsagAddendum {
-  fn write<W: Write>(&self, writer: &mut W) -> io::Result<()> {
-    writer.write_all(self.key_image.compress().to_bytes().as_ref())?;
-    self.dleq.write(writer)
-  }
-}
-
-#[allow(non_snake_case)]
-#[derive(Clone, PartialEq, Eq, Debug)]
-struct Interim {
-  p: Scalar,
-  c: Scalar,
-
-  clsag: Clsag,
-  pseudo_out: EdwardsPoint,
-}
-
-/// FROST algorithm for producing a CLSAG signature.
-#[allow(non_snake_case)]
-#[derive(Clone, Debug)]
-pub struct ClsagMultisig {
-  transcript: RecommendedTranscript,
-
-  pub(crate) H: EdwardsPoint,
-  // Merged here as CLSAG needs it, passing it would be a mess, yet having it beforehand requires
-  // an extra round
-  image: EdwardsPoint,
-
-  details: Arc<RwLock<Option<ClsagDetails>>>,
-
-  msg: Option<[u8; 32]>,
-  interim: Option<Interim>,
-}
-
-impl ClsagMultisig {
-  pub fn new(
-    transcript: RecommendedTranscript,
-    output_key: EdwardsPoint,
-    details: Arc<RwLock<Option<ClsagDetails>>>,
-  ) -> ClsagMultisig {
-    ClsagMultisig {
-      transcript,
-
-      H: hash_to_point(&output_key),
-      image: EdwardsPoint::identity(),
-
-      details,
-
-      msg: None,
-      interim: None,
-    }
-  }
-
-  fn input(&self) -> ClsagInput {
-    (*self.details.read().unwrap()).as_ref().unwrap().input.clone()
-  }
-
-  fn mask(&self) -> Scalar {
-    (*self.details.read().unwrap()).as_ref().unwrap().mask
-  }
-}
-
-pub(crate) fn add_key_image_share(
-  image: &mut EdwardsPoint,
-  generator: EdwardsPoint,
-  offset: Scalar,
-  included: &[Participant],
-  participant: Participant,
-  share: EdwardsPoint,
-) {
-  if image.is_identity().into() {
-    *image = generator * offset;
-  }
-  *image += share * lagrange::<dfg::Scalar>(participant, included).0;
-}
-
-impl Algorithm<Ed25519> for ClsagMultisig {
-  type Transcript = RecommendedTranscript;
-  type Addendum = ClsagAddendum;
-  type Signature = (Clsag, EdwardsPoint);
-
-  fn nonces(&self) -> Vec<Vec<dfg::EdwardsPoint>> {
-    vec![vec![dfg::EdwardsPoint::generator(), dfg::EdwardsPoint(self.H)]]
-  }
-
-  fn preprocess_addendum<R: RngCore + CryptoRng>(
-    &mut self,
-    rng: &mut R,
-    keys: &ThresholdKeys<Ed25519>,
-  ) -> ClsagAddendum {
-    ClsagAddendum {
-      key_image: dfg::EdwardsPoint(self.H) * keys.secret_share().deref(),
-      dleq: DLEqProof::prove(
-        rng,
-        // Doesn't take in a larger transcript object due to the usage of this
-        // Every prover would immediately write their own DLEq proof, when they can only do so in
-        // the proper order if they want to reach consensus
-        // It'd be a poor API to have CLSAG define a new transcript solely to pass here, just to
-        // try to merge later in some form, when it should instead just merge xH (as it does)
-        &mut dleq_transcript(),
-        &[dfg::EdwardsPoint::generator(), dfg::EdwardsPoint(self.H)],
-        keys.secret_share(),
-      ),
-    }
-  }
-
-  fn read_addendum<R: Read>(&self, reader: &mut R) -> io::Result<ClsagAddendum> {
-    let mut bytes = [0; 32];
-    reader.read_exact(&mut bytes)?;
-    // dfg ensures the point is torsion free
-    let xH = Option::<dfg::EdwardsPoint>::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: xH, dleq: DLEqProof::<dfg::EdwardsPoint>::read(reader)? })
-  }
-
-  fn process_addendum(
-    &mut self,
-    view: &ThresholdView<Ed25519>,
-    l: Participant,
-    addendum: ClsagAddendum,
-  ) -> Result<(), FrostError> {
-    // TODO: This check is faulty if two shares are additive inverses of each other
-    if self.image.is_identity().into() {
-      self.transcript.domain_separate(b"CLSAG");
-      self.input().transcript(&mut self.transcript);
-      self.transcript.append_message(b"mask", self.mask().to_bytes());
-    }
-
-    self.transcript.append_message(b"participant", l.to_bytes());
-
-    addendum
-      .dleq
-      .verify(
-        &mut dleq_transcript(),
-        &[dfg::EdwardsPoint::generator(), dfg::EdwardsPoint(self.H)],
-        &[view.original_verification_share(l), addendum.key_image],
-      )
-      .map_err(|_| FrostError::InvalidPreprocess(l))?;
-
-    self.transcript.append_message(b"key_image_share", addendum.key_image.compress().to_bytes());
-    add_key_image_share(
-      &mut self.image,
-      self.H,
-      view.offset().0,
-      view.included(),
-      l,
-      addendum.key_image.0,
-    );
-
-    Ok(())
-  }
-
-  fn transcript(&mut self) -> &mut Self::Transcript {
-    &mut self.transcript
-  }
-
-  fn sign_share(
-    &mut self,
-    view: &ThresholdView<Ed25519>,
-    nonce_sums: &[Vec<dfg::EdwardsPoint>],
-    nonces: Vec<Zeroizing<dfg::Scalar>>,
-    msg: &[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 commitments (specifically, the ring index being signed
-    // for, along with the mask which should not only require knowing the shared keys yet also the
-    // input commitment masks)
-    let mut rng = ChaCha20Rng::from_seed(self.transcript.rng_seed(b"decoy_responses"));
-
-    self.msg = Some(msg.try_into().expect("CLSAG message should be 32-bytes"));
-
-    #[allow(non_snake_case)]
-    let (clsag, pseudo_out, p, c) = Clsag::sign_core(
-      &mut rng,
-      &self.image,
-      &self.input(),
-      self.mask(),
-      self.msg.as_ref().unwrap(),
-      nonce_sums[0][0].0,
-      nonce_sums[0][1].0,
-    );
-    self.interim = Some(Interim { p, c, clsag, pseudo_out });
-
-    (-(dfg::Scalar(p) * view.secret_share().deref())) + nonces[0].deref()
-  }
-
-  #[must_use]
-  fn verify(
-    &self,
-    _: dfg::EdwardsPoint,
-    _: &[Vec<dfg::EdwardsPoint>],
-    sum: dfg::Scalar,
-  ) -> Option<Self::Signature> {
-    let interim = self.interim.as_ref().unwrap();
-    let mut clsag = interim.clsag.clone();
-    clsag.s[usize::from(self.input().decoys.i)] = sum.0 - interim.c;
-    if clsag
-      .verify(
-        &self.input().decoys.ring,
-        &self.image,
-        &interim.pseudo_out,
-        self.msg.as_ref().unwrap(),
-      )
-      .is_ok()
-    {
-      return Some((clsag, interim.pseudo_out));
-    }
-    None
-  }
-
-  fn verify_share(
-    &self,
-    verification_share: dfg::EdwardsPoint,
-    nonces: &[Vec<dfg::EdwardsPoint>],
-    share: dfg::Scalar,
-  ) -> Result<Vec<(dfg::Scalar, dfg::EdwardsPoint)>, ()> {
-    let interim = self.interim.as_ref().unwrap();
-    Ok(vec![
-      (share, dfg::EdwardsPoint::generator()),
-      (dfg::Scalar(interim.p), verification_share),
-      (-dfg::Scalar::ONE, nonces[0][0]),
-    ])
-  }
-}

coins/monero/src/ringct/hash_to_point.rs

@@ -1,8 +0,0 @@
-use curve25519_dalek::edwards::EdwardsPoint;
-
-pub use monero_generators::{hash_to_point as raw_hash_to_point};
-
-/// Monero's hash to point function, as named `ge_fromfe_frombytes_vartime`.
-pub fn hash_to_point(key: &EdwardsPoint) -> EdwardsPoint {
-  raw_hash_to_point(key.compress().to_bytes())
-}

coins/monero/src/ringct/mlsag.rs

@@ -1,216 +0,0 @@
-use std_shims::{
-  vec::Vec,
-  io::{self, Read, Write},
-};
-
-use zeroize::Zeroize;
-
-use curve25519_dalek::{traits::IsIdentity, Scalar, EdwardsPoint};
-
-use monero_generators::H;
-
-use crate::{hash_to_scalar, ringct::hash_to_point, serialize::*};
-
-#[derive(Clone, Copy, PartialEq, Eq, Debug)]
-#[cfg_attr(feature = "std", derive(thiserror::Error))]
-pub enum MlsagError {
-  #[cfg_attr(feature = "std", error("invalid ring"))]
-  InvalidRing,
-  #[cfg_attr(feature = "std", error("invalid amount of key images"))]
-  InvalidAmountOfKeyImages,
-  #[cfg_attr(feature = "std", error("invalid ss"))]
-  InvalidSs,
-  #[cfg_attr(feature = "std", error("key image was identity"))]
-  IdentityKeyImage,
-  #[cfg_attr(feature = "std", error("invalid ci"))]
-  InvalidCi,
-}
-
-#[derive(Clone, PartialEq, Eq, Debug, Zeroize)]
-pub struct RingMatrix {
-  matrix: Vec<Vec<EdwardsPoint>>,
-}
-
-impl RingMatrix {
-  pub fn new(matrix: Vec<Vec<EdwardsPoint>>) -> Result<Self, MlsagError> {
-    // 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<Self, MlsagError> {
-    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)
-  }
-
-  pub fn iter(&self) -> impl Iterator<Item = &[EdwardsPoint]> {
-    self.matrix.iter().map(AsRef::as_ref)
-  }
-
-  /// Return the amount of members in the ring.
-  pub fn members(&self) -> usize {
-    self.matrix.len()
-  }
-
-  /// Returns 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()
-  }
-}
-
-#[derive(Clone, PartialEq, Eq, Debug, Zeroize)]
-pub struct Mlsag {
-  pub ss: Vec<Vec<Scalar>>,
-  pub cc: Scalar,
-}
-
-impl Mlsag {
-  pub fn write<W: Write>(&self, w: &mut W) -> io::Result<()> {
-    for ss in &self.ss {
-      write_raw_vec(write_scalar, ss, w)?;
-    }
-    write_scalar(&self.cc, w)
-  }
-
-  pub fn read<R: Read>(mixins: usize, ss_2_elements: usize, r: &mut R) -> io::Result<Mlsag> {
-    Ok(Mlsag {
-      ss: (0 .. mixins)
-        .map(|_| read_raw_vec(read_scalar, ss_2_elements, r))
-        .collect::<Result<_, _>>()?,
-      cc: read_scalar(r)?,
-    })
-  }
-
-  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);
-
-        buf.extend_from_slice(ring_member_entry.compress().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() {
-            Err(MlsagError::IdentityKeyImage)?;
-          }
-
-          #[allow(non_snake_case)]
-          let R = (s * hash_to_point(ring_member_entry)) + (ci * ki);
-          buf.extend_from_slice(R.compress().as_bytes());
-        }
-      }
-
-      ci = hash_to_scalar(&buf);
-      // keep the msg in the buffer.
-      buf.drain(msg.len() ..);
-    }
-
-    if ci != self.cc {
-      Err(MlsagError::InvalidCi)?
-    }
-    Ok(())
-  }
-}
-
-/// An aggregate ring matrix builder, usable to set up the ring matrix to prove/verify an aggregate
-/// MLSAG signature.
-#[derive(Clone, PartialEq, Eq, Debug, Zeroize)]
-pub struct AggregateRingMatrixBuilder {
-  key_ring: Vec<Vec<EdwardsPoint>>,
-  amounts_ring: Vec<EdwardsPoint>,
-  sum_out: EdwardsPoint,
-}
-
-impl AggregateRingMatrixBuilder {
-  /// Create a new AggregateRingMatrixBuilder.
-  ///
-  /// Takes in the transaction's outputs; commitments and fee.
-  pub fn new(commitments: &[EdwardsPoint], fee: u64) -> Self {
-    AggregateRingMatrixBuilder {
-      key_ring: vec![],
-      amounts_ring: vec![],
-      sum_out: commitments.iter().sum::<EdwardsPoint>() + (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<RingMatrix, MlsagError> {
-    for (i, amount_commitment) in self.amounts_ring.drain(..).enumerate() {
-      self.key_ring[i].push(amount_commitment);
-    }
-    RingMatrix::new(self.key_ring)
-  }
-}

coins/monero/src/ringct/mod.rs

@@ -1,400 +0,0 @@
-use core::ops::Deref;
-use std_shims::{
-  vec::Vec,
-  io::{self, Read, Write},
-};
-
-use zeroize::{Zeroize, Zeroizing};
-
-use curve25519_dalek::{constants::ED25519_BASEPOINT_TABLE, scalar::Scalar, edwards::EdwardsPoint};
-
-pub(crate) mod hash_to_point;
-pub use hash_to_point::{raw_hash_to_point, hash_to_point};
-
-/// MLSAG struct, along with verifying functionality.
-pub mod mlsag;
-/// CLSAG struct, along with signing and verifying functionality.
-pub mod clsag;
-/// BorromeanRange struct, along with verifying functionality.
-pub mod borromean;
-/// Bulletproofs(+) structs, along with proving and verifying functionality.
-pub mod bulletproofs;
-
-use crate::{
-  Protocol,
-  serialize::*,
-  ringct::{mlsag::Mlsag, clsag::Clsag, borromean::BorromeanRange, bulletproofs::Bulletproofs},
-};
-
-/// Generate a key image for a given key. Defined as `x * hash_to_point(xG)`.
-pub fn generate_key_image(secret: &Zeroizing<Scalar>) -> EdwardsPoint {
-  hash_to_point(&(ED25519_BASEPOINT_TABLE * secret.deref())) * secret.deref()
-}
-
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub enum EncryptedAmount {
-  Original { mask: [u8; 32], amount: [u8; 32] },
-  Compact { amount: [u8; 8] },
-}
-
-impl EncryptedAmount {
-  pub fn read<R: Read>(compact: bool, r: &mut R) -> io::Result<EncryptedAmount> {
-    Ok(if !compact {
-      EncryptedAmount::Original { mask: read_bytes(r)?, amount: read_bytes(r)? }
-    } else {
-      EncryptedAmount::Compact { amount: read_bytes(r)? }
-    })
-  }
-
-  pub fn write<W: 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),
-    }
-  }
-}
-
-#[derive(Clone, Copy, PartialEq, Eq, Debug, Zeroize)]
-pub enum RctType {
-  /// No RCT proofs.
-  Null,
-  /// One MLSAG for multiple inputs and Borromean range proofs (RCTTypeFull).
-  MlsagAggregate,
-  // One MLSAG for each input and a Borromean range proof (RCTTypeSimple).
-  MlsagIndividual,
-  // One MLSAG for each input and a Bulletproof (RCTTypeBulletproof).
-  Bulletproofs,
-  /// One MLSAG for each input and a Bulletproof, yet starting to use EncryptedAmount::Compact
-  /// (RCTTypeBulletproof2).
-  BulletproofsCompactAmount,
-  /// One CLSAG for each input and a Bulletproof (RCTTypeCLSAG).
-  Clsag,
-  /// One CLSAG for each input and a Bulletproof+ (RCTTypeBulletproofPlus).
-  BulletproofsPlus,
-}
-
-impl RctType {
-  pub fn to_byte(self) -> u8 {
-    match self {
-      RctType::Null => 0,
-      RctType::MlsagAggregate => 1,
-      RctType::MlsagIndividual => 2,
-      RctType::Bulletproofs => 3,
-      RctType::BulletproofsCompactAmount => 4,
-      RctType::Clsag => 5,
-      RctType::BulletproofsPlus => 6,
-    }
-  }
-
-  pub fn from_byte(byte: u8) -> Option<Self> {
-    Some(match byte {
-      0 => RctType::Null,
-      1 => RctType::MlsagAggregate,
-      2 => RctType::MlsagIndividual,
-      3 => RctType::Bulletproofs,
-      4 => RctType::BulletproofsCompactAmount,
-      5 => RctType::Clsag,
-      6 => RctType::BulletproofsPlus,
-      _ => None?,
-    })
-  }
-
-  pub fn compact_encrypted_amounts(&self) -> bool {
-    match self {
-      RctType::Null |
-      RctType::MlsagAggregate |
-      RctType::MlsagIndividual |
-      RctType::Bulletproofs => false,
-      RctType::BulletproofsCompactAmount | RctType::Clsag | RctType::BulletproofsPlus => true,
-    }
-  }
-}
-
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub struct RctBase {
-  pub fee: u64,
-  pub pseudo_outs: Vec<EdwardsPoint>,
-  pub encrypted_amounts: Vec<EncryptedAmount>,
-  pub commitments: Vec<EdwardsPoint>,
-}
-
-impl RctBase {
-  pub(crate) fn fee_weight(outputs: usize, fee: u64) -> usize {
-    // 1 byte for the RCT signature type
-    1 + (outputs * (8 + 32)) + varint_len(fee)
-  }
-
-  pub fn write<W: Write>(&self, w: &mut W, rct_type: RctType) -> io::Result<()> {
-    w.write_all(&[rct_type.to_byte()])?;
-    match rct_type {
-      RctType::Null => Ok(()),
-      _ => {
-        write_varint(&self.fee, w)?;
-        if rct_type == RctType::MlsagIndividual {
-          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)
-      }
-    }
-  }
-
-  pub fn read<R: Read>(inputs: usize, outputs: usize, r: &mut R) -> io::Result<(RctBase, RctType)> {
-    let rct_type =
-      RctType::from_byte(read_byte(r)?).ok_or_else(|| io::Error::other("invalid RCT type"))?;
-
-    match rct_type {
-      RctType::Null | RctType::MlsagAggregate | RctType::MlsagIndividual => {}
-      RctType::Bulletproofs |
-      RctType::BulletproofsCompactAmount |
-      RctType::Clsag |
-      RctType::BulletproofsPlus => {
-        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((
-      if rct_type == RctType::Null {
-        RctBase { fee: 0, pseudo_outs: vec![], encrypted_amounts: vec![], commitments: vec![] }
-      } else {
-        RctBase {
-          fee: read_varint(r)?,
-          pseudo_outs: if rct_type == RctType::MlsagIndividual {
-            read_raw_vec(read_point, inputs, r)?
-          } else {
-            vec![]
-          },
-          encrypted_amounts: (0 .. outputs)
-            .map(|_| EncryptedAmount::read(rct_type.compact_encrypted_amounts(), r))
-            .collect::<Result<_, _>>()?,
-          commitments: read_raw_vec(read_point, outputs, r)?,
-        }
-      },
-      rct_type,
-    ))
-  }
-}
-
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub enum RctPrunable {
-  Null,
-  AggregateMlsagBorromean {
-    borromean: Vec<BorromeanRange>,
-    mlsag: Mlsag,
-  },
-  MlsagBorromean {
-    borromean: Vec<BorromeanRange>,
-    mlsags: Vec<Mlsag>,
-  },
-  MlsagBulletproofs {
-    bulletproofs: Bulletproofs,
-    mlsags: Vec<Mlsag>,
-    pseudo_outs: Vec<EdwardsPoint>,
-  },
-  Clsag {
-    bulletproofs: Bulletproofs,
-    clsags: Vec<Clsag>,
-    pseudo_outs: Vec<EdwardsPoint>,
-  },
-}
-
-impl RctPrunable {
-  pub(crate) fn fee_weight(protocol: Protocol, inputs: usize, outputs: usize) -> usize {
-    // 1 byte for number of BPs (technically a VarInt, yet there's always just zero or one)
-    1 + Bulletproofs::fee_weight(protocol.bp_plus(), outputs) +
-      (inputs * (Clsag::fee_weight(protocol.ring_len()) + 32))
-  }
-
-  pub fn write<W: Write>(&self, w: &mut W, rct_type: RctType) -> io::Result<()> {
-    match self {
-      RctPrunable::Null => Ok(()),
-      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 { bulletproofs, mlsags, pseudo_outs } => {
-        if rct_type == RctType::Bulletproofs {
-          w.write_all(&1u32.to_le_bytes())?;
-        } else {
-          w.write_all(&[1])?;
-        }
-        bulletproofs.write(w)?;
-
-        write_raw_vec(Mlsag::write, mlsags, w)?;
-        write_raw_vec(write_point, pseudo_outs, w)
-      }
-      RctPrunable::Clsag { bulletproofs, clsags, pseudo_outs } => {
-        w.write_all(&[1])?;
-        bulletproofs.write(w)?;
-
-        write_raw_vec(Clsag::write, clsags, w)?;
-        write_raw_vec(write_point, pseudo_outs, w)
-      }
-    }
-  }
-
-  pub fn serialize(&self, rct_type: RctType) -> Vec<u8> {
-    let mut serialized = vec![];
-    self.write(&mut serialized, rct_type).unwrap();
-    serialized
-  }
-
-  pub fn read<R: Read>(
-    rct_type: RctType,
-    ring_length: usize,
-    inputs: usize,
-    outputs: usize,
-    r: &mut R,
-  ) -> io::Result<RctPrunable> {
-    // While we generally don't bother with misc consensus checks, this affects the safety of
-    // the below defined rct_type function
-    // The exact line preventing zero-input transactions is:
-    // https://github.com/monero-project/monero/blob/00fd416a99686f0956361d1cd0337fe56e58d4a7/
-    //   src/ringct/rctSigs.cpp#L609
-    // And then for RctNull, that's only allowed for miner TXs which require one input of
-    // Input::Gen
-    if inputs == 0 {
-      Err(io::Error::other("transaction had no inputs"))?;
-    }
-
-    Ok(match rct_type {
-      RctType::Null => RctPrunable::Null,
-      RctType::MlsagAggregate => RctPrunable::AggregateMlsagBorromean {
-        borromean: read_raw_vec(BorromeanRange::read, outputs, r)?,
-        mlsag: Mlsag::read(ring_length, inputs + 1, r)?,
-      },
-      RctType::MlsagIndividual => RctPrunable::MlsagBorromean {
-        borromean: read_raw_vec(BorromeanRange::read, outputs, r)?,
-        mlsags: (0 .. inputs).map(|_| Mlsag::read(ring_length, 2, r)).collect::<Result<_, _>>()?,
-      },
-      RctType::Bulletproofs | RctType::BulletproofsCompactAmount => {
-        RctPrunable::MlsagBulletproofs {
-          bulletproofs: {
-            if (if rct_type == RctType::Bulletproofs {
-              u64::from(read_u32(r)?)
-            } else {
-              read_varint(r)?
-            }) != 1
-            {
-              Err(io::Error::other("n bulletproofs instead of one"))?;
-            }
-            Bulletproofs::read(r)?
-          },
-          mlsags: (0 .. inputs)
-            .map(|_| Mlsag::read(ring_length, 2, r))
-            .collect::<Result<_, _>>()?,
-          pseudo_outs: read_raw_vec(read_point, inputs, r)?,
-        }
-      }
-      RctType::Clsag | RctType::BulletproofsPlus => RctPrunable::Clsag {
-        bulletproofs: {
-          if read_varint::<_, u64>(r)? != 1 {
-            Err(io::Error::other("n bulletproofs instead of one"))?;
-          }
-          (if rct_type == RctType::Clsag { Bulletproofs::read } else { Bulletproofs::read_plus })(
-            r,
-          )?
-        },
-        clsags: (0 .. inputs).map(|_| Clsag::read(ring_length, r)).collect::<Result<_, _>>()?,
-        pseudo_outs: read_raw_vec(read_point, inputs, r)?,
-      },
-    })
-  }
-
-  pub(crate) fn signature_write<W: Write>(&self, w: &mut W) -> io::Result<()> {
-    match self {
-      RctPrunable::Null => panic!("Serializing RctPrunable::Null for a signature"),
-      RctPrunable::AggregateMlsagBorromean { borromean, .. } |
-      RctPrunable::MlsagBorromean { borromean, .. } => {
-        borromean.iter().try_for_each(|rs| rs.write(w))
-      }
-      RctPrunable::MlsagBulletproofs { bulletproofs, .. } |
-      RctPrunable::Clsag { bulletproofs, .. } => bulletproofs.signature_write(w),
-    }
-  }
-}
-
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub struct RctSignatures {
-  pub base: RctBase,
-  pub prunable: RctPrunable,
-}
-
-impl RctSignatures {
-  /// RctType for a given RctSignatures struct.
-  pub fn rct_type(&self) -> RctType {
-    match &self.prunable {
-      RctPrunable::Null => RctType::Null,
-      RctPrunable::AggregateMlsagBorromean { .. } => RctType::MlsagAggregate,
-      RctPrunable::MlsagBorromean { .. } => RctType::MlsagIndividual,
-      // RctBase ensures there's at least one output, making the following
-      // inferences guaranteed/expects impossible on any valid RctSignatures
-      RctPrunable::MlsagBulletproofs { .. } => {
-        if matches!(
-          self
-            .base
-            .encrypted_amounts
-            .first()
-            .expect("MLSAG with Bulletproofs didn't have any outputs"),
-          EncryptedAmount::Original { .. }
-        ) {
-          RctType::Bulletproofs
-        } else {
-          RctType::BulletproofsCompactAmount
-        }
-      }
-      RctPrunable::Clsag { bulletproofs, .. } => {
-        if matches!(bulletproofs, Bulletproofs::Original { .. }) {
-          RctType::Clsag
-        } else {
-          RctType::BulletproofsPlus
-        }
-      }
-    }
-  }
-
-  pub(crate) fn fee_weight(protocol: Protocol, inputs: usize, outputs: usize, fee: u64) -> usize {
-    RctBase::fee_weight(outputs, fee) + RctPrunable::fee_weight(protocol, inputs, outputs)
-  }
-
-  pub fn write<W: 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)
-  }
-
-  pub fn serialize(&self) -> Vec<u8> {
-    let mut serialized = vec![];
-    self.write(&mut serialized).unwrap();
-    serialized
-  }
-
-  pub fn read<R: Read>(
-    ring_length: usize,
-    inputs: usize,
-    outputs: usize,
-    r: &mut R,
-  ) -> io::Result<RctSignatures> {
-    let base = RctBase::read(inputs, outputs, r)?;
-    Ok(RctSignatures {
-      base: base.0,
-      prunable: RctPrunable::read(base.1, ring_length, inputs, outputs, r)?,
-    })
-  }
-}

coins/monero/src/rpc/http.rs

@@ -1,286 +0,0 @@
-use std::{sync::Arc, io::Read, time::Duration};
-
-use async_trait::async_trait;
-
-use tokio::sync::Mutex;
-
-use digest_auth::{WwwAuthenticateHeader, AuthContext};
-use simple_request::{
-  hyper::{StatusCode, header::HeaderValue, Request},
-  Response, Client,
-};
-
-use crate::rpc::{RpcError, RpcConnection, 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: String,
-    password: String,
-    #[allow(clippy::type_complexity)]
-    connection: Arc<Mutex<(Option<(WwwAuthenticateHeader, u64)>, Client)>>,
-  },
-}
-
-/// An HTTP(S) transport for the RPC.
-///
-/// Requires tokio.
-#[derive(Clone, Debug)]
-pub struct HttpRpc {
-  authentication: Authentication,
-  url: String,
-  request_timeout: Duration,
-}
-
-impl HttpRpc {
-  fn digest_auth_challenge(
-    response: &Response,
-  ) -> Result<Option<(WwwAuthenticateHeader, u64)>, 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<Rpc<HttpRpc>, RpcError> {
-    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<Rpc<HttpRpc>, RpcError> {
-    let authentication = if url.contains('@') {
-      // Parse out the username and password
-      let url_clone = url;
-      let split_url = url_clone.split('@').collect::<Vec<_>>();
-      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::<Vec<_>>();
-        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::<Vec<_>>();
-      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: split_userpass[0].to_string(),
-        password: (*split_userpass.get(1).unwrap_or(&"")).to_string(),
-        connection: Arc::new(Mutex::new((challenge, client))),
-      }
-    } else {
-      Authentication::Unauthenticated(Client::with_connection_pool())
-    };
-
-    Ok(Rpc(HttpRpc { authentication, url, request_timeout }))
-  }
-}
-
-impl HttpRpc {
-  async fn inner_post(&self, route: &str, body: Vec<u8>) -> Result<Vec<u8>, 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<Vec<u8>, RpcError> {
-      /*
-      let length = usize::try_from(
-        response
-          .headers()
-          .get("content-length")
-          .ok_or(RpcError::InvalidNode("no content-length header"))?
-          .to_str()
-          .map_err(|_| RpcError::InvalidNode("non-ascii content-length value"))?
-          .parse::<u32>()
-          .map_err(|_| RpcError::InvalidNode("non-u32 content-length value"))?,
-      )
-      .unwrap();
-      // Only pre-allocate 1 MB so a malicious node which claims a content-length of 1 GB actually
-      // has to send 1 GB of data to cause a 1 GB allocation
-      let mut res = Vec::with_capacity(length.max(1024 * 1024));
-      let mut body = response.into_body();
-      while res.len() < length {
-        let Some(data) = body.data().await else { break };
-        res.extend(data.map_err(|e| RpcError::ConnectionError(format!("{e:?}")))?.as_ref());
-      }
-      */
-
-      let mut res = Vec::with_capacity(128);
-      response
-        .body()
-        .await
-        .map_err(|e| RpcError::ConnectionError(format!("{e:?}")))?
-        .read_to_end(&mut res)
-        .unwrap();
-      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]>(
-              username,
-              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(),
-              )
-              .unwrap(),
-            );
-          }
-
-          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.unwrap()).await?
-          }
-        }
-      });
-    }
-
-    unreachable!()
-  }
-}
-
-#[async_trait]
-impl RpcConnection for HttpRpc {
-  async fn post(&self, route: &str, body: Vec<u8>) -> Result<Vec<u8>, RpcError> {
-    tokio::time::timeout(self.request_timeout, self.inner_post(route, body))
-      .await
-      .map_err(|e| RpcError::ConnectionError(format!("{e:?}")))?
-  }
-}

coins/monero/src/rpc/mod.rs

@@ -1,761 +0,0 @@
-use core::fmt::Debug;
-#[cfg(not(feature = "std"))]
-use alloc::boxed::Box;
-use std_shims::{
-  vec::Vec,
-  io,
-  string::{String, ToString},
-};
-
-use async_trait::async_trait;
-
-use curve25519_dalek::edwards::EdwardsPoint;
-
-use monero_generators::decompress_point;
-
-use serde::{Serialize, Deserialize, de::DeserializeOwned};
-use serde_json::{Value, json};
-
-use crate::{
-  Protocol,
-  serialize::*,
-  transaction::{Input, Timelock, Transaction},
-  block::Block,
-  wallet::{FeePriority, Fee},
-};
-
-#[cfg(feature = "http-rpc")]
-mod http;
-#[cfg(feature = "http-rpc")]
-pub use http::*;
-
-// 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;
-
-#[derive(Deserialize, Debug)]
-pub struct EmptyResponse {}
-#[derive(Deserialize, Debug)]
-pub struct JsonRpcResponse<T> {
-  result: T,
-}
-
-#[derive(Deserialize, Debug)]
-struct TransactionResponse {
-  tx_hash: String,
-  as_hex: String,
-  pruned_as_hex: String,
-}
-#[derive(Deserialize, Debug)]
-struct TransactionsResponse {
-  #[serde(default)]
-  missed_tx: Vec<String>,
-  txs: Vec<TransactionResponse>,
-}
-
-#[derive(Deserialize, Debug)]
-pub struct OutputResponse {
-  pub height: usize,
-  pub unlocked: bool,
-  key: String,
-  mask: String,
-  txid: String,
-}
-
-#[derive(Clone, PartialEq, Eq, Debug)]
-#[cfg_attr(feature = "std", derive(thiserror::Error))]
-pub enum RpcError {
-  #[cfg_attr(feature = "std", error("internal error ({0})"))]
-  InternalError(&'static str),
-  #[cfg_attr(feature = "std", error("connection error ({0})"))]
-  ConnectionError(String),
-  #[cfg_attr(feature = "std", error("invalid node ({0})"))]
-  InvalidNode(String),
-  #[cfg_attr(feature = "std", error("unsupported protocol version ({0})"))]
-  UnsupportedProtocol(usize),
-  #[cfg_attr(feature = "std", error("transactions not found"))]
-  TransactionsNotFound(Vec<[u8; 32]>),
-  #[cfg_attr(feature = "std", error("invalid point ({0})"))]
-  InvalidPoint(String),
-  #[cfg_attr(feature = "std", error("pruned transaction"))]
-  PrunedTransaction,
-  #[cfg_attr(feature = "std", error("invalid transaction ({0:?})"))]
-  InvalidTransaction([u8; 32]),
-  #[cfg_attr(feature = "std", error("unexpected fee response"))]
-  InvalidFee,
-  #[cfg_attr(feature = "std", error("invalid priority"))]
-  InvalidPriority,
-}
-
-fn rpc_hex(value: &str) -> Result<Vec<u8>, 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<EdwardsPoint, RpcError> {
-  decompress_point(
-    rpc_hex(point)?.try_into().map_err(|_| RpcError::InvalidPoint(point.to_string()))?,
-  )
-  .ok_or_else(|| RpcError::InvalidPoint(point.to_string()))
-}
-
-// Read an EPEE VarInt, distinct from the VarInts used throughout the rest of the protocol
-fn read_epee_vi<R: io::Read>(reader: &mut R) -> io::Result<u64> {
-  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)
-}
-
-#[async_trait]
-pub trait RpcConnection: Clone + Debug {
-  /// Perform a POST request to the specified route with the specified body.
-  ///
-  /// The implementor is left to handle anything such as authentication.
-  async fn post(&self, route: &str, body: Vec<u8>) -> Result<Vec<u8>, RpcError>;
-}
-
-// TODO: Make this provided methods for RpcConnection?
-#[derive(Clone, Debug)]
-pub struct Rpc<R: RpcConnection>(R);
-impl<R: RpcConnection> Rpc<R> {
-  /// 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`.
-  pub async fn rpc_call<Params: Serialize + Debug, Response: DeserializeOwned + Debug>(
-    &self,
-    route: &str,
-    params: Option<Params>,
-  ) -> Result<Response, RpcError> {
-    let res = self
-      .0
-      .post(
-        route,
-        if let Some(params) = params {
-          serde_json::to_string(&params).unwrap().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 json: {res_str}")))
-  }
-
-  /// Perform a JSON-RPC call with the specified method with the provided parameters
-  pub async fn json_rpc_call<Response: DeserializeOwned + Debug>(
-    &self,
-    method: &str,
-    params: Option<Value>,
-  ) -> Result<Response, RpcError> {
-    let mut req = json!({ "method": method });
-    if let Some(params) = params {
-      req.as_object_mut().unwrap().insert("params".into(), params);
-    }
-    Ok(self.rpc_call::<_, JsonRpcResponse<Response>>("json_rpc", Some(req)).await?.result)
-  }
-
-  /// Perform a binary call to the specified route with the provided parameters.
-  pub async fn bin_call(&self, route: &str, params: Vec<u8>) -> Result<Vec<u8>, RpcError> {
-    self.0.post(route, params).await
-  }
-
-  /// Get the active blockchain protocol version.
-  pub async fn get_protocol(&self) -> Result<Protocol, RpcError> {
-    #[derive(Deserialize, Debug)]
-    struct ProtocolResponse {
-      major_version: usize,
-    }
-
-    #[derive(Deserialize, Debug)]
-    struct LastHeaderResponse {
-      block_header: ProtocolResponse,
-    }
-
-    Ok(
-      match self
-        .json_rpc_call::<LastHeaderResponse>("get_last_block_header", None)
-        .await?
-        .block_header
-        .major_version
-      {
-        13 | 14 => Protocol::v14,
-        15 | 16 => Protocol::v16,
-        protocol => Err(RpcError::UnsupportedProtocol(protocol))?,
-      },
-    )
-  }
-
-  pub async fn get_height(&self) -> Result<usize, RpcError> {
-    #[derive(Deserialize, Debug)]
-    struct HeightResponse {
-      height: usize,
-    }
-    Ok(self.rpc_call::<Option<()>, HeightResponse>("get_height", None).await?.height)
-  }
-
-  pub async fn get_transactions(&self, hashes: &[[u8; 32]]) -> Result<Vec<Transaction>, RpcError> {
-    if hashes.is_empty() {
-      return Ok(vec![]);
-    }
-
-    let mut hashes_hex = hashes.iter().map(hex::encode).collect::<Vec<_>>();
-    let mut all_txs = Vec::with_capacity(hashes.len());
-    while !hashes_hex.is_empty() {
-      // Monero errors if more than 100 is requested unless using a non-restricted RPC
-      const TXS_PER_REQUEST: usize = 100;
-      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::<Vec<_>>(),
-          })),
-        )
-        .await?;
-
-      if !txs.missed_tx.is_empty() {
-        Err(RpcError::TransactionsNotFound(
-          txs.missed_tx.iter().map(|hash| hash_hex(hash)).collect::<Result<_, _>>()?,
-        ))?;
-      }
-
-      all_txs.extend(txs.txs);
-    }
-
-    all_txs
-      .iter()
-      .enumerate()
-      .map(|(i, res)| {
-        let tx = Transaction::read::<&[u8]>(
-          &mut rpc_hex(if !res.as_hex.is_empty() { &res.as_hex } else { &res.pruned_as_hex })?
-            .as_ref(),
-        )
-        .map_err(|_| match hash_hex(&res.tx_hash) {
-          Ok(hash) => RpcError::InvalidTransaction(hash),
-          Err(err) => err,
-        })?;
-
-        // https://github.com/monero-project/monero/issues/8311
-        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()
-  }
-
-  pub async fn get_transaction(&self, tx: [u8; 32]) -> Result<Transaction, RpcError> {
-    self.get_transactions(&[tx]).await.map(|mut txs| txs.swap_remove(0))
-  }
-
-  /// Get the hash of a block from the node by the block's numbers.
-  /// This function does not verify the returned block hash is actually for the number in question.
-  pub async fn get_block_hash(&self, number: usize) -> Result<[u8; 32], RpcError> {
-    #[derive(Deserialize, Debug)]
-    struct BlockHeaderResponse {
-      hash: String,
-    }
-    #[derive(Deserialize, Debug)]
-    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.
-  /// This function does not verify the returned block actually has the hash in question.
-  pub async fn get_block(&self, hash: [u8; 32]) -> Result<Block, RpcError> {
-    #[derive(Deserialize, Debug)]
-    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)
-  }
-
-  pub async fn get_block_by_number(&self, number: usize) -> Result<Block, RpcError> {
-    #[derive(Deserialize, Debug)]
-    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_tx.prefix.inputs.first() {
-      Some(Input::Gen(actual)) => {
-        if usize::try_from(*actual).unwrap() == number {
-          Ok(block)
-        } else {
-          Err(RpcError::InvalidNode("different block than requested (number)".to_string()))
-        }
-      }
-      _ => Err(RpcError::InvalidNode(
-        "block's miner_tx didn't have an input of kind Input::Gen".to_string(),
-      )),
-    }
-  }
-
-  pub async fn get_block_transactions(&self, hash: [u8; 32]) -> Result<Vec<Transaction>, RpcError> {
-    let block = self.get_block(hash).await?;
-    let mut res = vec![block.miner_tx];
-    res.extend(self.get_transactions(&block.txs).await?);
-    Ok(res)
-  }
-
-  pub async fn get_block_transactions_by_number(
-    &self,
-    number: usize,
-  ) -> Result<Vec<Transaction>, RpcError> {
-    self.get_block_transactions(self.get_block_hash(number).await?).await
-  }
-
-  /// Get the output indexes of the specified transaction.
-  pub async fn get_o_indexes(&self, hash: [u8; 32]) -> Result<Vec<u64>, RpcError> {
-    /*
-    TODO: Use these when a suitable epee serde lib exists
-
-    #[derive(Serialize, Debug)]
-    struct Request {
-      txid: [u8; 32],
-    }
-
-    #[derive(Deserialize, Debug)]
-    struct OIndexes {
-      o_indexes: Vec<u64>,
-    }
-    */
-
-    // 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";
-
-    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 is_okay = 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<Vec<u64>> {
-        let fields = read_byte(reader)? >> 2;
-
-        for _ in 0 .. fields {
-          let name_len = read_byte(reader)?;
-          let name = read_raw_vec(read_byte, name_len.into(), reader)?;
-
-          let type_with_array_flag = read_byte(reader)?;
-          let kind = type_with_array_flag & (!0x80);
-
-          let iters = if type_with_array_flag != kind { read_epee_vi(reader)? } else { 1 };
-
-          if (&name == b"o_indexes") && (kind != 5) {
-            Err(io::Error::other("o_indexes weren't u64s"))?;
-          }
-
-          let f = 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(f(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(u64::from_le_bytes(
-                  o_index
-                    .try_into()
-                    .map_err(|_| io::Error::other("node didn't provide 8 bytes for a u64"))?,
-                ));
-              }
-              res = Some(actual_res);
-            }
-            b"status" => {
-              if bytes_res
-                .first()
-                .ok_or_else(|| io::Error::other("status wasn't a string"))?
-                .as_slice() !=
-                b"OK"
-              {
-                // TODO: Better handle non-OK responses
-                Err(io::Error::other("response wasn't OK"))?;
-              }
-              is_okay = true;
-            }
-            _ => continue,
-          }
-
-          if is_okay && res.is_some() {
-            break;
-          }
-        }
-
-        // Didn't return a response with a status
-        // (if the status wasn't okay, we would've already errored)
-        if !is_okay {
-          Err(io::Error::other("response didn't contain a status"))?;
-        }
-
-        // If the Vec was empty, it would've been omitted, hence the unwrap_or
-        // TODO: Test against a 0-output TX, such as the ones found in block 202612
-        Ok(res.unwrap_or(vec![]))
-      };
-
-      read_object(&mut indexes)
-    })()
-    .map_err(|_| RpcError::InvalidNode("invalid binary response".to_string()))
-  }
-
-  /// Get the output distribution, from the specified height to the specified height (both
-  /// inclusive).
-  pub async fn get_output_distribution(
-    &self,
-    from: usize,
-    to: usize,
-  ) -> Result<Vec<u64>, RpcError> {
-    #[derive(Deserialize, Debug)]
-    struct Distribution {
-      distribution: Vec<u64>,
-    }
-
-    #[derive(Deserialize, Debug)]
-    struct Distributions {
-      distributions: Vec<Distribution>,
-    }
-
-    let mut distributions: Distributions = self
-      .json_rpc_call(
-        "get_output_distribution",
-        Some(json!({
-          "binary": false,
-          "amounts": [0],
-          "cumulative": true,
-          "from_height": from,
-          "to_height": to,
-        })),
-      )
-      .await?;
-
-    Ok(distributions.distributions.swap_remove(0).distribution)
-  }
-
-  /// Get the specified outputs from the RingCT (zero-amount) pool
-  pub async fn get_outs(&self, indexes: &[u64]) -> Result<Vec<OutputResponse>, RpcError> {
-    #[derive(Deserialize, Debug)]
-    struct OutsResponse {
-      status: String,
-      outs: Vec<OutputResponse>,
-    }
-
-    let res: OutsResponse = self
-      .rpc_call(
-        "get_outs",
-        Some(json!({
-          "get_txid": true,
-          "outputs": indexes.iter().map(|o| json!({
-            "amount": 0,
-            "index": o
-          })).collect::<Vec<_>>()
-        })),
-      )
-      .await?;
-
-    if res.status != "OK" {
-      Err(RpcError::InvalidNode("bad response to get_outs".to_string()))?;
-    }
-
-    Ok(res.outs)
-  }
-
-  /// 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.
-  pub async fn get_unlocked_outputs(
-    &self,
-    indexes: &[u64],
-    height: usize,
-    fingerprintable_canonical: bool,
-  ) -> Result<Vec<Option<[EdwardsPoint; 2]>>, RpcError> {
-    let outs: Vec<OutputResponse> = self.get_outs(indexes).await?;
-
-    // Only need to fetch txs to do canonical check on timelock
-    let txs = if fingerprintable_canonical {
-      self
-        .get_transactions(
-          &outs.iter().map(|out| hash_hex(&out.txid)).collect::<Result<Vec<_>, _>>()?,
-        )
-        .await?
-    } else {
-      Vec::new()
-    };
-
-    // 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
-        // Only a recent hard fork checked output keys were valid points
-        let Some(key) = decompress_point(
-          rpc_hex(&out.key)?
-            .try_into()
-            .map_err(|_| RpcError::InvalidNode("non-32-byte point".to_string()))?,
-        ) else {
-          return Ok(None);
-        };
-        Ok(Some([key, rpc_point(&out.mask)?]).filter(|_| {
-          if fingerprintable_canonical {
-            Timelock::Block(height) >= txs[i].prefix.timelock
-          } else {
-            out.unlocked
-          }
-        }))
-      })
-      .collect()
-  }
-
-  async fn get_fee_v14(&self, priority: FeePriority) -> Result<Fee, RpcError> {
-    #[derive(Deserialize, Debug)]
-    struct FeeResponseV14 {
-      status: String,
-      fee: u64,
-      quantization_mask: u64,
-    }
-
-    // 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];
-
-    let res: FeeResponseV14 = self
-      .json_rpc_call(
-        "get_fee_estimate",
-        Some(json!({ "grace_blocks": GRACE_BLOCKS_FOR_FEE_ESTIMATE })),
-      )
-      .await?;
-
-    if res.status != "OK" {
-      Err(RpcError::InvalidFee)?;
-    }
-
-    Ok(Fee { per_weight: res.fee * fee_multiplier, mask: res.quantization_mask })
-  }
-
-  /// Get the currently estimated fee from the node.
-  ///
-  /// This may be manipulated to unsafe levels and MUST be sanity checked.
-  // TODO: Take a sanity check argument
-  pub async fn get_fee(&self, protocol: Protocol, priority: FeePriority) -> Result<Fee, RpcError> {
-    // TODO: Implement wallet2's adjust_priority which by default automatically uses a lower
-    // priority than provided depending on the backlog in the pool
-    if protocol.v16_fee() {
-      #[derive(Deserialize, Debug)]
-      struct FeeResponse {
-        status: String,
-        fees: Vec<u64>,
-        quantization_mask: u64,
-      }
-
-      let res: FeeResponse = self
-        .json_rpc_call(
-          "get_fee_estimate",
-          Some(json!({ "grace_blocks": GRACE_BLOCKS_FOR_FEE_ESTIMATE })),
-        )
-        .await?;
-
-      // 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 res.status != "OK" {
-        Err(RpcError::InvalidFee)
-      } else if priority_idx >= res.fees.len() {
-        Err(RpcError::InvalidPriority)
-      } else {
-        Ok(Fee { per_weight: res.fees[priority_idx], mask: res.quantization_mask })
-      }
-    } else {
-      self.get_fee_v14(priority).await
-    }
-  }
-
-  pub async fn publish_transaction(&self, tx: &Transaction) -> Result<(), RpcError> {
-    #[allow(dead_code)]
-    #[derive(Deserialize, Debug)]
-    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()) })))
-      .await?;
-
-    if res.status != "OK" {
-      Err(RpcError::InvalidTransaction(tx.hash()))?;
-    }
-
-    Ok(())
-  }
-
-  // TODO: Take &Address, not &str?
-  pub async fn generate_blocks(
-    &self,
-    address: &str,
-    block_count: usize,
-  ) -> Result<(Vec<[u8; 32]>, usize), RpcError> {
-    #[derive(Debug, Deserialize)]
-    struct BlocksResponse {
-      blocks: Vec<String>,
-      height: usize,
-    }
-
-    let res = self
-      .json_rpc_call::<BlocksResponse>(
-        "generateblocks",
-        Some(json!({
-          "wallet_address": address,
-          "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))
-  }
-}

coins/monero/src/serialize.rs

@@ -1,172 +0,0 @@
-use core::fmt::Debug;
-use std_shims::{
-  vec::Vec,
-  io::{self, Read, Write},
-};
-
-use curve25519_dalek::{scalar::Scalar, edwards::EdwardsPoint};
-
-use monero_generators::decompress_point;
-
-const VARINT_CONTINUATION_MASK: u8 = 0b1000_0000;
-
-mod sealed {
-  pub trait VarInt: TryInto<u64> + TryFrom<u64> + 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;
-  }
-  impl VarInt for usize {
-    const BITS: usize = core::mem::size_of::<usize>() * 8;
-  }
-}
-
-// This will panic if the VarInt exceeds u64::MAX
-pub(crate) fn varint_len<U: sealed::VarInt>(varint: U) -> usize {
-  let varint_u64: u64 = varint.try_into().map_err(|_| "varint exceeded u64").unwrap();
-  ((usize::try_from(u64::BITS - varint_u64.leading_zeros()).unwrap().saturating_sub(1)) / 7) + 1
-}
-
-pub(crate) fn write_byte<W: Write>(byte: &u8, w: &mut W) -> io::Result<()> {
-  w.write_all(&[*byte])
-}
-
-// This will panic if the VarInt exceeds u64::MAX
-pub(crate) fn write_varint<W: Write, U: sealed::VarInt>(varint: &U, w: &mut W) -> io::Result<()> {
-  let mut varint: u64 = (*varint).try_into().map_err(|_| "varint exceeded u64").unwrap();
-  while {
-    let mut b = u8::try_from(varint & u64::from(!VARINT_CONTINUATION_MASK)).unwrap();
-    varint >>= 7;
-    if varint != 0 {
-      b |= VARINT_CONTINUATION_MASK;
-    }
-    write_byte(&b, w)?;
-    varint != 0
-  } {}
-  Ok(())
-}
-
-pub(crate) fn write_scalar<W: Write>(scalar: &Scalar, w: &mut W) -> io::Result<()> {
-  w.write_all(&scalar.to_bytes())
-}
-
-pub(crate) fn write_point<W: Write>(point: &EdwardsPoint, w: &mut W) -> io::Result<()> {
-  w.write_all(&point.compress().to_bytes())
-}
-
-pub(crate) fn write_raw_vec<T, W: Write, F: Fn(&T, &mut W) -> io::Result<()>>(
-  f: F,
-  values: &[T],
-  w: &mut W,
-) -> io::Result<()> {
-  for value in values {
-    f(value, w)?;
-  }
-  Ok(())
-}
-
-pub(crate) fn write_vec<T, W: Write, F: Fn(&T, &mut W) -> io::Result<()>>(
-  f: F,
-  values: &[T],
-  w: &mut W,
-) -> io::Result<()> {
-  write_varint(&values.len(), w)?;
-  write_raw_vec(f, values, w)
-}
-
-pub(crate) fn read_bytes<R: Read, const N: usize>(r: &mut R) -> io::Result<[u8; N]> {
-  let mut res = [0; N];
-  r.read_exact(&mut res)?;
-  Ok(res)
-}
-
-pub(crate) fn read_byte<R: Read>(r: &mut R) -> io::Result<u8> {
-  Ok(read_bytes::<_, 1>(r)?[0])
-}
-
-pub(crate) fn read_u16<R: Read>(r: &mut R) -> io::Result<u16> {
-  read_bytes(r).map(u16::from_le_bytes)
-}
-
-pub(crate) fn read_u32<R: Read>(r: &mut R) -> io::Result<u32> {
-  read_bytes(r).map(u32::from_le_bytes)
-}
-
-pub(crate) fn read_u64<R: Read>(r: &mut R) -> io::Result<u64> {
-  read_bytes(r).map(u64::from_le_bytes)
-}
-
-pub(crate) fn read_varint<R: Read, U: sealed::VarInt>(r: &mut R) -> io::Result<U> {
-  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"))
-}
-
-// All scalar fields supported by monero-serai are checked to be canonical for valid transactions
-// While from_bytes_mod_order would be more flexible, it's not currently needed and would be
-// inaccurate to include now. While casting a wide net may be preferable, it'd also be inaccurate
-// for now. There's also further edge cases as noted by
-// https://github.com/monero-project/monero/issues/8438, where some scalars had an archaic
-// reduction applied
-pub(crate) fn read_scalar<R: Read>(r: &mut R) -> io::Result<Scalar> {
-  Option::from(Scalar::from_canonical_bytes(read_bytes(r)?))
-    .ok_or_else(|| io::Error::other("unreduced scalar"))
-}
-
-pub(crate) fn read_point<R: Read>(r: &mut R) -> io::Result<EdwardsPoint> {
-  let bytes = read_bytes(r)?;
-  decompress_point(bytes).ok_or_else(|| io::Error::other("invalid point"))
-}
-
-pub(crate) fn read_torsion_free_point<R: Read>(r: &mut R) -> io::Result<EdwardsPoint> {
-  read_point(r)
-    .ok()
-    .filter(EdwardsPoint::is_torsion_free)
-    .ok_or_else(|| io::Error::other("invalid point"))
-}
-
-pub(crate) fn read_raw_vec<R: Read, T, F: Fn(&mut R) -> io::Result<T>>(
-  f: F,
-  len: usize,
-  r: &mut R,
-) -> io::Result<Vec<T>> {
-  let mut res = vec![];
-  for _ in 0 .. len {
-    res.push(f(r)?);
-  }
-  Ok(res)
-}
-
-pub(crate) fn read_array<R: Read, T: Debug, F: Fn(&mut R) -> io::Result<T>, const N: usize>(
-  f: F,
-  r: &mut R,
-) -> io::Result<[T; N]> {
-  read_raw_vec(f, N, r).map(|vec| vec.try_into().unwrap())
-}
-
-pub(crate) fn read_vec<R: Read, T, F: Fn(&mut R) -> io::Result<T>>(
-  f: F,
-  r: &mut R,
-) -> io::Result<Vec<T>> {
-  read_raw_vec(f, read_varint(r)?, r)
-}

coins/monero/src/tests/address.rs

@@ -1,176 +0,0 @@
-use hex_literal::hex;
-
-use rand_core::{RngCore, OsRng};
-
-use curve25519_dalek::constants::ED25519_BASEPOINT_TABLE;
-
-use monero_generators::decompress_point;
-
-use crate::{
-  random_scalar,
-  wallet::address::{Network, AddressType, AddressMeta, 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 standard_address() {
-  let addr = MoneroAddress::from_str(Network::Mainnet, STANDARD).unwrap();
-  assert_eq!(addr.meta.network, Network::Mainnet);
-  assert_eq!(addr.meta.kind, AddressType::Standard);
-  assert!(!addr.meta.kind.is_subaddress());
-  assert_eq!(addr.meta.kind.payment_id(), None);
-  assert!(!addr.meta.kind.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.meta.network, Network::Mainnet);
-  assert_eq!(addr.meta.kind, AddressType::Integrated(PAYMENT_ID));
-  assert!(!addr.meta.kind.is_subaddress());
-  assert_eq!(addr.meta.kind.payment_id(), Some(PAYMENT_ID));
-  assert!(!addr.meta.kind.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.meta.network, Network::Mainnet);
-  assert_eq!(addr.meta.kind, AddressType::Subaddress);
-  assert!(addr.meta.kind.is_subaddress());
-  assert_eq!(addr.meta.kind.payment_id(), None);
-  assert!(!addr.meta.kind.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 = &random_scalar(&mut OsRng) * ED25519_BASEPOINT_TABLE;
-      let view = &random_scalar(&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 meta = AddressMeta::new(network, kind);
-        let addr = MoneroAddress::new(meta, 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::<Vec<Vector>>(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(
-        AddressMeta::new(
-          network,
-          AddressType::Featured {
-            subaddress: vector.subaddress,
-            payment_id: vector.payment_id,
-            guaranteed: vector.guaranteed
-          }
-        ),
-        spend,
-        view
-      )
-      .to_string(),
-      vector.address
-    );
-  }
-}

coins/monero/src/tests/bulletproofs/mod.rs

@@ -1,95 +0,0 @@
-use hex_literal::hex;
-use rand_core::OsRng;
-
-use curve25519_dalek::scalar::Scalar;
-use monero_generators::decompress_point;
-use multiexp::BatchVerifier;
-
-use crate::{
-  Commitment, random_scalar,
-  ringct::bulletproofs::{Bulletproofs, original::OriginalStruct},
-};
-
-mod plus;
-
-#[test]
-fn bulletproofs_vector() {
-  let scalar = |scalar| Scalar::from_canonical_bytes(scalar).unwrap();
-  let point = |point| decompress_point(point).unwrap();
-
-  // Generated from Monero
-  assert!(Bulletproofs::Original(OriginalStruct {
-    A: point(hex!("ef32c0b9551b804decdcb107eb22aa715b7ce259bf3c5cac20e24dfa6b28ac71")),
-    S: point(hex!("e1285960861783574ee2b689ae53622834eb0b035d6943103f960cd23e063fa0")),
-    T1: point(hex!("4ea07735f184ba159d0e0eb662bac8cde3eb7d39f31e567b0fbda3aa23fe5620")),
-    T2: point(hex!("b8390aa4b60b255630d40e592f55ec6b7ab5e3a96bfcdcd6f1cd1d2fc95f441e")),
-    taux: scalar(hex!("5957dba8ea9afb23d6e81cc048a92f2d502c10c749dc1b2bd148ae8d41ec7107")),
-    mu: scalar(hex!("923023b234c2e64774b820b4961f7181f6c1dc152c438643e5a25b0bf271bc02")),
-    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: 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(),
-    ]
-  ));
-}
-
-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(16);
-      for i in 1 ..= 16 {
-        let commitments = (1 ..= i)
-          .map(|i| Commitment::new(random_scalar(&mut OsRng), u64::try_from(i).unwrap()))
-          .collect::<Vec<_>>();
-
-        let bp = Bulletproofs::prove(&mut OsRng, &commitments, $plus).unwrap();
-
-        let commitments = commitments.iter().map(Commitment::calculate).collect::<Vec<_>>();
-        assert!(bp.verify(&mut OsRng, &commitments));
-        assert!(bp.batch_verify(&mut OsRng, &mut verifier, i, &commitments));
-      }
-      assert!(verifier.verify_vartime());
-    }
-
-    #[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!(Bulletproofs::prove(&mut OsRng, &commitments, $plus).is_err());
-    }
-  };
-}
-
-bulletproofs_tests!(bulletproofs, bulletproofs_max, false);
-bulletproofs_tests!(bulletproofs_plus, bulletproofs_plus_max, true);

coins/monero/src/tests/bulletproofs/plus/aggregate_range_proof.rs

@@ -1,30 +0,0 @@
-use rand_core::{RngCore, OsRng};
-
-use multiexp::BatchVerifier;
-use group::ff::Field;
-use dalek_ff_group::{Scalar, EdwardsPoint};
-
-use crate::{
-  Commitment,
-  ringct::bulletproofs::plus::aggregate_range_proof::{
-    AggregateRangeStatement, AggregateRangeWitness,
-  },
-};
-
-#[test]
-fn test_aggregate_range_proof() {
-  let mut verifier = BatchVerifier::new(16);
-  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(|com| EdwardsPoint(com.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_vartime());
-}

coins/monero/src/tests/bulletproofs/plus/mod.rs

@@ -1,4 +0,0 @@
-#[cfg(test)]
-mod weighted_inner_product;
-#[cfg(test)]
-mod aggregate_range_proof;

coins/monero/src/tests/bulletproofs/plus/weighted_inner_product.rs

@@ -1,81 +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 multiexp::BatchVerifier;
-use group::{ff::Field, Group};
-use dalek_ff_group::{Scalar, EdwardsPoint};
-
-use crate::ringct::bulletproofs::plus::{
-  ScalarVector, PointVector, GeneratorsList, Generators,
-  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 = Generators::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 = BatchVerifier::new(1);
-  statement.verify(&mut OsRng, &mut verifier, (), transcript, proof);
-  assert!(verifier.verify_vartime());
-}
-
-#[test]
-fn test_weighted_inner_product() {
-  // P = sum(g_bold * a, h_bold * b, g * (a * y * b), h * alpha)
-  let mut verifier = BatchVerifier::new(6);
-  let generators = Generators::new();
-  for i in [1, 2, 4, 8, 16, 32] {
-    let generators = generators.reduce(i);
-    let g = Generators::g();
-    let h = Generators::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::GBold1, i));
-      h_bold.push(generators.generator(GeneratorsList::HBold1, 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_vartime());
-}

coins/monero/src/tests/clsag.rs

@@ -1,132 +0,0 @@
-use core::ops::Deref;
-#[cfg(feature = "multisig")]
-use std::sync::{Arc, RwLock};
-
-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 crate::{
-  Commitment, random_scalar,
-  wallet::Decoys,
-  ringct::{
-    generate_key_image,
-    clsag::{ClsagInput, Clsag},
-  },
-};
-#[cfg(feature = "multisig")]
-use crate::ringct::clsag::{ClsagDetails, ClsagMultisig};
-
-#[cfg(feature = "multisig")]
-use frost::{
-  Participant,
-  tests::{key_gen, algorithm_machines, sign},
-};
-
-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 = [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(random_scalar(&mut OsRng));
-      let mask = random_scalar(&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 image = generate_key_image(&secrets.0);
-    let (mut clsag, pseudo_out) = Clsag::sign(
-      &mut OsRng,
-      vec![(
-        secrets.0,
-        image,
-        ClsagInput::new(
-          Commitment::new(secrets.1, AMOUNT),
-          Decoys {
-            i: u8::try_from(real).unwrap(),
-            offsets: (1 ..= RING_LEN).collect(),
-            ring: ring.clone(),
-          },
-        )
-        .unwrap(),
-      )],
-      random_scalar(&mut OsRng),
-      msg,
-    )
-    .swap_remove(0);
-
-    clsag.verify(&ring, &image, &pseudo_out, &msg).unwrap();
-
-    // make sure verification fails if we throw a random `c1` at it.
-    clsag.c1 = random_scalar(&mut OsRng);
-    assert!(clsag.verify(&ring, &image, &pseudo_out, &msg).is_err());
-  }
-}
-
-#[cfg(feature = "multisig")]
-#[test]
-fn clsag_multisig() {
-  let keys = key_gen::<_, Ed25519>(&mut OsRng);
-
-  let randomness = random_scalar(&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 = &random_scalar(&mut OsRng) * ED25519_BASEPOINT_TABLE;
-      mask = random_scalar(&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_sum = random_scalar(&mut OsRng);
-  let algorithm = ClsagMultisig::new(
-    RecommendedTranscript::new(b"Monero Serai CLSAG Test"),
-    keys[&Participant::new(1).unwrap()].group_key().0,
-    Arc::new(RwLock::new(Some(ClsagDetails::new(
-      ClsagInput::new(
-        Commitment::new(randomness, AMOUNT),
-        Decoys { i: RING_INDEX, offsets: (1 ..= RING_LEN).collect(), ring: ring.clone() },
-      )
-      .unwrap(),
-      mask_sum,
-    )))),
-  );
-
-  sign(
-    &mut OsRng,
-    &algorithm,
-    keys.clone(),
-    algorithm_machines(&mut OsRng, &algorithm, &keys),
-    &[1; 32],
-  );
-}

coins/monero/src/tests/extra.rs

@@ -1,158 +0,0 @@
-use crate::{
-  wallet::{ExtraField, Extra, extra::MAX_TX_EXTRA_PADDING_COUNT},
-  serialize::write_varint,
-};
-
-use curve25519_dalek::edwards::{EdwardsPoint, CompressedEdwardsY};
-
-// Borrowed tests from
-// https://github.com/monero-project/monero/blob/ac02af92867590ca80b2779a7bbeafa99ff94dcb/
-//   tests/unit_tests/test_tx_utils.cpp
-
-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<u8> = vec![];
-  Extra::write(extra, &mut w).unwrap();
-  assert_eq!(buf, w);
-}
-
-#[test]
-fn empty_extra() {
-  let buf: Vec<u8> = 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<u8> = 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<u8> = 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<u8> = 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<u8> = 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<u8> = 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<u8> = 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<u8> = 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<u8> = 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<u8> = 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<u8> = 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<u8> = 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<u8> = 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<u8> = 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<u8> = 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);
-}

coins/monero/src/tests/mod.rs

@@ -1,6 +0,0 @@
-mod unreduced_scalar;
-mod clsag;
-mod bulletproofs;
-mod address;
-mod seed;
-mod extra;

coins/monero/src/tests/seed.rs

@@ -1,482 +0,0 @@
-use zeroize::Zeroizing;
-
-use rand_core::OsRng;
-
-use curve25519_dalek::scalar::Scalar;
-
-use crate::{
-  hash,
-  wallet::seed::{
-    Seed, SeedType, SeedError,
-    classic::{self, trim_by_lang},
-    polyseed,
-  },
-};
-
-#[test]
-fn test_classic_seed() {
-  struct Vector {
-    language: classic::Language,
-    seed: String,
-    spend: String,
-    view: String,
-  }
-
-  let vectors = [
-    Vector {
-      language: classic::Language::Chinese,
-      seed: "摇 曲 艺 武 滴 然 效 似 赏 式 祥 歌 买 疑 小 碧 堆 博 键 房 鲜 悲 付 喷 武".into(),
-      spend: "a5e4fff1706ef9212993a69f246f5c95ad6d84371692d63e9bb0ea112a58340d".into(),
-      view: "1176c43ce541477ea2f3ef0b49b25112b084e26b8a843e1304ac4677b74cdf02".into(),
-    },
-    Vector {
-      language: classic::Language::English,
-      seed: "washing thirsty occur lectures tuesday fainted toxic adapt \
-               abnormal memoir nylon mostly building shrugged online ember northern \
-               ruby woes dauntless boil family illness inroads northern"
-        .into(),
-      spend: "c0af65c0dd837e666b9d0dfed62745f4df35aed7ea619b2798a709f0fe545403".into(),
-      view: "513ba91c538a5a9069e0094de90e927c0cd147fa10428ce3ac1afd49f63e3b01".into(),
-    },
-    Vector {
-      language: classic::Language::Dutch,
-      seed: "setwinst riphagen vimmetje extase blief tuitelig fuiven meifeest \
-               ponywagen zesmaal ripdeal matverf codetaal leut ivoor rotten \
-               wisgerhof winzucht typograaf atrium rein zilt traktaat verzaagd setwinst"
-        .into(),
-      spend: "e2d2873085c447c2bc7664222ac8f7d240df3aeac137f5ff2022eaa629e5b10a".into(),
-      view: "eac30b69477e3f68093d131c7fd961564458401b07f8c87ff8f6030c1a0c7301".into(),
-    },
-    Vector {
-      language: classic::Language::French,
-      seed: "poids vaseux tarte bazar poivre effet entier nuance \
-               sensuel ennui pacte osselet poudre battre alibi mouton \
-               stade paquet pliage gibier type question position projet pliage"
-        .into(),
-      spend: "2dd39ff1a4628a94b5c2ec3e42fb3dfe15c2b2f010154dc3b3de6791e805b904".into(),
-      view: "6725b32230400a1032f31d622b44c3a227f88258939b14a7c72e00939e7bdf0e".into(),
-    },
-    Vector {
-      language: classic::Language::Spanish,
-      seed: "minero ocupar mirar evadir octubre cal logro miope \
-               opaco disco ancla litio clase cuello nasal clase \
-               fiar avance deseo mente grumo negro cordón croqueta clase"
-        .into(),
-      spend: "ae2c9bebdddac067d73ec0180147fc92bdf9ac7337f1bcafbbe57dd13558eb02".into(),
-      view: "18deafb34d55b7a43cae2c1c1c206a3c80c12cc9d1f84640b484b95b7fec3e05".into(),
-    },
-    Vector {
-      language: classic::Language::German,
-      seed: "Kaliber Gabelung Tapir Liveband Favorit Specht Enklave Nabel \
-               Jupiter Foliant Chronik nisten löten Vase Aussage Rekord \
-               Yeti Gesetz Eleganz Alraune Künstler Almweide Jahr Kastanie Almweide"
-        .into(),
-      spend: "79801b7a1b9796856e2397d862a113862e1fdc289a205e79d8d70995b276db06".into(),
-      view: "99f0ec556643bd9c038a4ed86edcb9c6c16032c4622ed2e000299d527a792701".into(),
-    },
-    Vector {
-      language: classic::Language::Italian,
-      seed: "cavo pancetta auto fulmine alleanza filmato diavolo prato \
-               forzare meritare litigare lezione segreto evasione votare buio \
-               licenza cliente dorso natale crescere vento tutelare vetta evasione"
-        .into(),
-      spend: "5e7fd774eb00fa5877e2a8b4dc9c7ffe111008a3891220b56a6e49ac816d650a".into(),
-      view: "698a1dce6018aef5516e82ca0cb3e3ec7778d17dfb41a137567bfa2e55e63a03".into(),
-    },
-    Vector {
-      language: classic::Language::Portuguese,
-      seed: "agito eventualidade onus itrio holograma sodomizar objetos dobro \
-               iugoslavo bcrepuscular odalisca abjeto iuane darwinista eczema acetona \
-               cibernetico hoquei gleba driver buffer azoto megera nogueira agito"
-        .into(),
-      spend: "13b3115f37e35c6aa1db97428b897e584698670c1b27854568d678e729200c0f".into(),
-      view: "ad1b4fd35270f5f36c4da7166672b347e75c3f4d41346ec2a06d1d0193632801".into(),
-    },
-    Vector {
-      language: classic::Language::Japanese,
-      seed: "ぜんぶ どうぐ おたがい せんきょ おうじ そんちょう じゅしん いろえんぴつ \
-               かほう つかれる えらぶ にちじょう くのう にちようび ぬまえび さんきゃく \
-               おおや ちぬき うすめる いがく せつでん さうな すいえい せつだん おおや"
-        .into(),
-      spend: "c56e895cdb13007eda8399222974cdbab493640663804b93cbef3d8c3df80b0b".into(),
-      view: "6c3634a313ec2ee979d565c33888fd7c3502d696ce0134a8bc1a2698c7f2c508".into(),
-    },
-    Vector {
-      language: classic::Language::Russian,
-      seed: "шатер икра нация ехать получать инерция доза реальный \
-               рыжий таможня лопата душа веселый клетка атлас лекция \
-               обгонять паек наивный лыжный дурак стать ежик задача паек"
-        .into(),
-      spend: "7cb5492df5eb2db4c84af20766391cd3e3662ab1a241c70fc881f3d02c381f05".into(),
-      view: "fcd53e41ec0df995ab43927f7c44bc3359c93523d5009fb3f5ba87431d545a03".into(),
-    },
-    Vector {
-      language: classic::Language::Esperanto,
-      seed: "ukazo klini peco etikedo fabriko imitado onklino urino \
-               pudro incidento kumuluso ikono smirgi hirundo uretro krii \
-               sparkado super speciala pupo alpinisto cvana vokegi zombio fabriko"
-        .into(),
-      spend: "82ebf0336d3b152701964ed41df6b6e9a035e57fc98b84039ed0bd4611c58904".into(),
-      view: "cd4d120e1ea34360af528f6a3e6156063312d9cefc9aa6b5218d366c0ed6a201".into(),
-    },
-    Vector {
-      language: classic::Language::Lojban,
-      seed: "jetnu vensa julne xrotu xamsi julne cutci dakli \
-               mlatu xedja muvgau palpi xindo sfubu ciste cinri \
-               blabi darno dembi janli blabi fenki bukpu burcu blabi"
-        .into(),
-      spend: "e4f8c6819ab6cf792cebb858caabac9307fd646901d72123e0367ebc0a79c200".into(),
-      view: "c806ce62bafaa7b2d597f1a1e2dbe4a2f96bfd804bf6f8420fc7f4a6bd700c00".into(),
-    },
-    Vector {
-      language: classic::Language::EnglishOld,
-      seed: "glorious especially puff son moment add youth nowhere \
-               throw glide grip wrong rhythm consume very swear \
-               bitter heavy eventually begin reason flirt type unable"
-        .into(),
-      spend: "647f4765b66b636ff07170ab6280a9a6804dfbaf19db2ad37d23be024a18730b".into(),
-      view: "045da65316a906a8c30046053119c18020b07a7a3a6ef5c01ab2a8755416bd02".into(),
-    },
-    // The following seeds require the language specification in order to calculate
-    // a single valid checksum
-    Vector {
-      language: classic::Language::Spanish,
-      seed: "pluma laico atraer pintor peor cerca balde buscar \
-               lancha batir nulo reloj resto gemelo nevera poder columna gol \
-               oveja latir amplio bolero feliz fuerza nevera"
-        .into(),
-      spend: "30303983fc8d215dd020cc6b8223793318d55c466a86e4390954f373fdc7200a".into(),
-      view: "97c649143f3c147ba59aa5506cc09c7992c5c219bb26964442142bf97980800e".into(),
-    },
-    Vector {
-      language: classic::Language::Spanish,
-      seed: "pluma pluma pluma pluma pluma pluma pluma pluma \
-               pluma pluma pluma pluma pluma pluma pluma pluma \
-               pluma pluma pluma pluma pluma pluma pluma pluma pluma"
-        .into(),
-      spend: "b4050000b4050000b4050000b4050000b4050000b4050000b4050000b4050000".into(),
-      view: "d73534f7912b395eb70ef911791a2814eb6df7ce56528eaaa83ff2b72d9f5e0f".into(),
-    },
-    Vector {
-      language: classic::Language::English,
-      seed: "plus plus plus plus plus plus plus plus \
-               plus plus plus plus plus plus plus plus \
-               plus plus plus plus plus plus plus plus plus"
-        .into(),
-      spend: "3b0400003b0400003b0400003b0400003b0400003b0400003b0400003b040000".into(),
-      view: "43a8a7715eed11eff145a2024ddcc39740255156da7bbd736ee66a0838053a02".into(),
-    },
-    Vector {
-      language: classic::Language::Spanish,
-      seed: "audio audio audio audio audio audio audio audio \
-               audio audio audio audio audio audio audio audio \
-               audio audio audio audio audio audio audio audio audio"
-        .into(),
-      spend: "ba000000ba000000ba000000ba000000ba000000ba000000ba000000ba000000".into(),
-      view: "1437256da2c85d029b293d8c6b1d625d9374969301869b12f37186e3f906c708".into(),
-    },
-    Vector {
-      language: classic::Language::English,
-      seed: "audio audio audio audio audio audio audio audio \
-               audio audio audio audio audio audio audio audio \
-               audio audio audio audio audio audio audio audio audio"
-        .into(),
-      spend: "7900000079000000790000007900000079000000790000007900000079000000".into(),
-      view: "20bec797ab96780ae6a045dd816676ca7ed1d7c6773f7022d03ad234b581d600".into(),
-    },
-  ];
-
-  for vector in vectors {
-    let trim_seed = |seed: &str| {
-      seed
-        .split_whitespace()
-        .map(|word| trim_by_lang(word, vector.language))
-        .collect::<Vec<_>>()
-        .join(" ")
-    };
-
-    // Test against Monero
-    {
-      println!("{}. language: {:?}, seed: {}", line!(), vector.language, vector.seed.clone());
-      let seed =
-        Seed::from_string(SeedType::Classic(vector.language), Zeroizing::new(vector.seed.clone()))
-          .unwrap();
-      let trim = trim_seed(&vector.seed);
-      assert_eq!(
-        seed,
-        Seed::from_string(SeedType::Classic(vector.language), Zeroizing::new(trim)).unwrap()
-      );
-
-      let spend: [u8; 32] = hex::decode(vector.spend).unwrap().try_into().unwrap();
-      // For classical seeds, Monero directly uses the entropy as a spend key
-      assert_eq!(
-        Option::<Scalar>::from(Scalar::from_canonical_bytes(*seed.entropy())),
-        Option::<Scalar>::from(Scalar::from_canonical_bytes(spend)),
-      );
-
-      let view: [u8; 32] = hex::decode(vector.view).unwrap().try_into().unwrap();
-      // Monero then derives the view key as H(spend)
-      assert_eq!(
-        Scalar::from_bytes_mod_order(hash(&spend)),
-        Scalar::from_canonical_bytes(view).unwrap()
-      );
-
-      assert_eq!(
-        Seed::from_entropy(SeedType::Classic(vector.language), Zeroizing::new(spend), None)
-          .unwrap(),
-        seed
-      );
-    }
-
-    // Test against ourselves
-    {
-      let seed = Seed::new(&mut OsRng, SeedType::Classic(vector.language));
-      println!("{}. seed: {}", line!(), *seed.to_string());
-      let trim = trim_seed(&seed.to_string());
-      assert_eq!(
-        seed,
-        Seed::from_string(SeedType::Classic(vector.language), Zeroizing::new(trim)).unwrap()
-      );
-      assert_eq!(
-        seed,
-        Seed::from_entropy(SeedType::Classic(vector.language), seed.entropy(), None).unwrap()
-      );
-      assert_eq!(
-        seed,
-        Seed::from_string(SeedType::Classic(vector.language), seed.to_string()).unwrap()
-      );
-    }
-  }
-}
-
-#[test]
-fn test_polyseed() {
-  struct Vector {
-    language: polyseed::Language,
-    seed: String,
-    entropy: String,
-    birthday: u64,
-    has_prefix: bool,
-    has_accent: bool,
-  }
-
-  let vectors = [
-    Vector {
-      language: polyseed::Language::English,
-      seed: "raven tail swear infant grief assist regular lamp \
-      duck valid someone little harsh puppy airport language"
-        .into(),
-      entropy: "dd76e7359a0ded37cd0ff0f3c829a5ae01673300000000000000000000000000".into(),
-      birthday: 1638446400,
-      has_prefix: true,
-      has_accent: false,
-    },
-    Vector {
-      language: polyseed::Language::Spanish,
-      seed: "eje fin parte célebre tabú pestaña lienzo puma \
-      prisión hora regalo lengua existir lápiz lote sonoro"
-        .into(),
-      entropy: "5a2b02df7db21fcbe6ec6df137d54c7b20fd2b00000000000000000000000000".into(),
-      birthday: 3118651200,
-      has_prefix: true,
-      has_accent: true,
-    },
-    Vector {
-      language: polyseed::Language::French,
-      seed: "valable arracher décaler jeudi amusant dresser mener épaissir risible \
-      prouesse réserve ampleur ajuster muter caméra enchère"
-        .into(),
-      entropy: "11cfd870324b26657342c37360c424a14a050b00000000000000000000000000".into(),
-      birthday: 1679314966,
-      has_prefix: true,
-      has_accent: true,
-    },
-    Vector {
-      language: polyseed::Language::Italian,
-      seed: "caduco midollo copione meninge isotopo illogico riflesso tartaruga fermento \
-      olandese normale tristezza episodio voragine forbito achille"
-        .into(),
-      entropy: "7ecc57c9b4652d4e31428f62bec91cfd55500600000000000000000000000000".into(),
-      birthday: 1679316358,
-      has_prefix: true,
-      has_accent: false,
-    },
-    Vector {
-      language: polyseed::Language::Portuguese,
-      seed: "caverna custear azedo adeus senador apertada sedoso omitir \
-      sujeito aurora videira molho cartaz gesso dentista tapar"
-        .into(),
-      entropy: "45473063711376cae38f1b3eba18c874124e1d00000000000000000000000000".into(),
-      birthday: 1679316657,
-      has_prefix: true,
-      has_accent: false,
-    },
-    Vector {
-      language: polyseed::Language::Czech,
-      seed: "usmrtit nora dotaz komunita zavalit funkce mzda sotva akce \
-      vesta kabel herna stodola uvolnit ustrnout email"
-        .into(),
-      entropy: "7ac8a4efd62d9c3c4c02e350d32326df37821c00000000000000000000000000".into(),
-      birthday: 1679316898,
-      has_prefix: true,
-      has_accent: false,
-    },
-    Vector {
-      language: polyseed::Language::Korean,
-      seed: "전망 선풍기 국제 무궁화 설사 기름 이론적 해안 절망 예선 \
-        지우개 보관 절망 말기 시각 귀신"
-        .into(),
-      entropy: "684663fda420298f42ed94b2c512ed38ddf12b00000000000000000000000000".into(),
-      birthday: 1679317073,
-      has_prefix: false,
-      has_accent: false,
-    },
-    Vector {
-      language: polyseed::Language::Japanese,
-      seed: "うちあわせ　ちつじょ　つごう　しはい　けんこう　とおる　てみやげ　はんとし　たんとう \
-      といれ　おさない　おさえる　むかう　ぬぐう　なふだ　せまる"
-        .into(),
-      entropy: "94e6665518a6286c6e3ba508a2279eb62b771f00000000000000000000000000".into(),
-      birthday: 1679318722,
-      has_prefix: false,
-      has_accent: false,
-    },
-    Vector {
-      language: polyseed::Language::ChineseTraditional,
-      seed: "亂 挖 斤 柄 代 圈 枝 轄 魯 論 函 開 勘 番 榮 壁".into(),
-      entropy: "b1594f585987ab0fd5a31da1f0d377dae5283f00000000000000000000000000".into(),
-      birthday: 1679426433,
-      has_prefix: false,
-      has_accent: false,
-    },
-    Vector {
-      language: polyseed::Language::ChineseSimplified,
-      seed: "啊 百 族 府 票 划 伪 仓 叶 虾 借 溜 晨 左 等 鬼".into(),
-      entropy: "21cdd366f337b89b8d1bc1df9fe73047c22b0300000000000000000000000000".into(),
-      birthday: 1679426817,
-      has_prefix: false,
-      has_accent: false,
-    },
-    // The following seed requires the language specification in order to calculate
-    // a single valid checksum
-    Vector {
-      language: polyseed::Language::Spanish,
-      seed: "impo sort usua cabi venu nobl oliv clim \
-        cont barr marc auto prod vaca torn fati"
-        .into(),
-      entropy: "dbfce25fe09b68a340e01c62417eeef43ad51800000000000000000000000000".into(),
-      birthday: 1701511650,
-      has_prefix: true,
-      has_accent: true,
-    },
-  ];
-
-  for vector in vectors {
-    let add_whitespace = |mut seed: String| {
-      seed.push(' ');
-      seed
-    };
-
-    let seed_without_accents = |seed: &str| {
-      seed
-        .split_whitespace()
-        .map(|w| w.chars().filter(char::is_ascii).collect::<String>())
-        .collect::<Vec<_>>()
-        .join(" ")
-    };
-
-    let trim_seed = |seed: &str| {
-      let seed_to_trim =
-        if vector.has_accent { seed_without_accents(seed) } else { seed.to_string() };
-      seed_to_trim
-        .split_whitespace()
-        .map(|w| {
-          let mut ascii = 0;
-          let mut to_take = w.len();
-          for (i, char) in w.chars().enumerate() {
-            if char.is_ascii() {
-              ascii += 1;
-            }
-            if ascii == polyseed::PREFIX_LEN {
-              // +1 to include this character, which put us at the prefix length
-              to_take = i + 1;
-              break;
-            }
-          }
-          w.chars().take(to_take).collect::<String>()
-        })
-        .collect::<Vec<_>>()
-        .join(" ")
-    };
-
-    // String -> Seed
-    println!("{}. language: {:?}, seed: {}", line!(), vector.language, vector.seed.clone());
-    let seed =
-      Seed::from_string(SeedType::Polyseed(vector.language), Zeroizing::new(vector.seed.clone()))
-        .unwrap();
-    let trim = trim_seed(&vector.seed);
-    let add_whitespace = add_whitespace(vector.seed.clone());
-    let seed_without_accents = seed_without_accents(&vector.seed);
-
-    // Make sure a version with added whitespace still works
-    let whitespaced_seed =
-      Seed::from_string(SeedType::Polyseed(vector.language), Zeroizing::new(add_whitespace))
-        .unwrap();
-    assert_eq!(seed, whitespaced_seed);
-    // Check trimmed versions works
-    if vector.has_prefix {
-      let trimmed_seed =
-        Seed::from_string(SeedType::Polyseed(vector.language), Zeroizing::new(trim)).unwrap();
-      assert_eq!(seed, trimmed_seed);
-    }
-    // Check versions without accents work
-    if vector.has_accent {
-      let seed_without_accents = Seed::from_string(
-        SeedType::Polyseed(vector.language),
-        Zeroizing::new(seed_without_accents),
-      )
-      .unwrap();
-      assert_eq!(seed, seed_without_accents);
-    }
-
-    let entropy = Zeroizing::new(hex::decode(vector.entropy).unwrap().try_into().unwrap());
-    assert_eq!(seed.entropy(), entropy);
-    assert!(seed.birthday().abs_diff(vector.birthday) < polyseed::TIME_STEP);
-
-    // Entropy -> Seed
-    let from_entropy =
-      Seed::from_entropy(SeedType::Polyseed(vector.language), entropy, Some(seed.birthday()))
-        .unwrap();
-    assert_eq!(seed.to_string(), from_entropy.to_string());
-
-    // Check against ourselves
-    {
-      let seed = Seed::new(&mut OsRng, SeedType::Polyseed(vector.language));
-      println!("{}. seed: {}", line!(), *seed.to_string());
-      assert_eq!(
-        seed,
-        Seed::from_string(SeedType::Polyseed(vector.language), seed.to_string()).unwrap()
-      );
-      assert_eq!(
-        seed,
-        Seed::from_entropy(
-          SeedType::Polyseed(vector.language),
-          seed.entropy(),
-          Some(seed.birthday())
-        )
-        .unwrap()
-      );
-    }
-  }
-}
-
-#[test]
-fn test_invalid_polyseed() {
-  // This seed includes unsupported features bits and should error on decode
-  let seed = "include domain claim resemble urban hire lunch bird \
-    crucial fire best wife ring warm ignore model"
-    .into();
-  let res =
-    Seed::from_string(SeedType::Polyseed(polyseed::Language::English), Zeroizing::new(seed));
-  assert_eq!(res, Err(SeedError::UnsupportedFeatures));
-}

coins/monero/src/tests/unreduced_scalar.rs

@@ -1,32 +0,0 @@
-use curve25519_dalek::scalar::Scalar;
-
-use crate::unreduced_scalar::*;
-
-#[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.recover_monero_slide_scalar(), 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",
-  );
-}

coins/monero/src/tests/vectors/featured_addresses.json

@@ -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",
-    "network": "Testnet",
-    "spend": "bba3a8a5bb47f7abf2e2dffeaf43385e4b308fd63a9ff6707e355f3b0a6c247a",
-    "view": "881713a4fa9777168a54bbdcb75290d319fb92fdf1026a8a4b125a8e341de8ab",
-    "subaddress": false,
-    "integrated": false,
-    "guaranteed": false
-  },
-  {
-    "address": "Kgx5uCVsMSEVm7seL8tjyRGmmVXjWfEowKpKjgaXUGVyMViBYMh13VQ4mfqpB7zEVVcJx3E8FFgAuQ8cq6mg5x712UA2gCrT1",
-    "network": "Testnet",
-    "spend": "bba3a8a5bb47f7abf2e2dffeaf43385e4b308fd63a9ff6707e355f3b0a6c247a",
-    "view": "881713a4fa9777168a54bbdcb75290d319fb92fdf1026a8a4b125a8e341de8ab",
-    "subaddress": true,
-    "integrated": false,
-    "guaranteed": false
-  },
-  {
-    "address": "Kgx5uCVsMSEVm7seL8tjyRGmmVXjWfEowKpKjgaXUGVyMViBYMh13VQ4mfqpB7zEVVcJx3E8FFgAuQ8cq6mg5x71Vc1DbPKwJu81cxJjqBkS",
-    "network": "Testnet",
-    "spend": "bba3a8a5bb47f7abf2e2dffeaf43385e4b308fd63a9ff6707e355f3b0a6c247a",
-    "view": "881713a4fa9777168a54bbdcb75290d319fb92fdf1026a8a4b125a8e341de8ab",
-    "subaddress": false,
-    "integrated": true,
-    "payment_id": [92, 225, 118, 220, 39, 3, 72, 51],
-    "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
-  }
-]

coins/monero/src/transaction.rs

@@ -1,432 +0,0 @@
-use core::cmp::Ordering;
-use std_shims::{
-  vec::Vec,
-  io::{self, Read, Write},
-};
-
-use zeroize::Zeroize;
-
-use curve25519_dalek::edwards::{EdwardsPoint, CompressedEdwardsY};
-
-use crate::{
-  Protocol, hash,
-  serialize::*,
-  ring_signatures::RingSignature,
-  ringct::{bulletproofs::Bulletproofs, RctType, RctBase, RctPrunable, RctSignatures},
-};
-
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub enum Input {
-  Gen(u64),
-  ToKey { amount: Option<u64>, key_offsets: Vec<u64>, key_image: EdwardsPoint },
-}
-
-impl Input {
-  pub(crate) fn fee_weight(offsets_weight: usize) -> usize {
-    // Uses 1 byte for the input type
-    // Uses 1 byte for the VarInt amount due to amount being 0
-    1 + 1 + offsets_weight + 32
-  }
-
-  pub fn write<W: 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)
-      }
-    }
-  }
-
-  pub fn serialize(&self) -> Vec<u8> {
-    let mut res = vec![];
-    self.write(&mut res).unwrap();
-    res
-  }
-
-  pub fn read<R: Read>(r: &mut R) -> io::Result<Input> {
-    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, r)?,
-          key_image: read_torsion_free_point(r)?,
-        }
-      }
-      _ => Err(io::Error::other("Tried to deserialize unknown/unused input type"))?,
-    })
-  }
-}
-
-// Doesn't bother moving to an enum for the unused Script classes
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub struct Output {
-  pub amount: Option<u64>,
-  pub key: CompressedEdwardsY,
-  pub view_tag: Option<u8>,
-}
-
-impl Output {
-  pub(crate) fn fee_weight(view_tags: bool) -> usize {
-    // Uses 1 byte for the output type
-    // Uses 1 byte for the VarInt amount due to amount being 0
-    1 + 1 + 32 + if view_tags { 1 } else { 0 }
-  }
-
-  pub fn write<W: 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(())
-  }
-
-  pub fn serialize(&self) -> Vec<u8> {
-    let mut res = Vec::with_capacity(8 + 1 + 32);
-    self.write(&mut res).unwrap();
-    res
-  }
-
-  pub fn read<R: Read>(rct: bool, r: &mut R) -> io::Result<Output> {
-    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 },
-    })
-  }
-}
-
-#[derive(Clone, Copy, PartialEq, Eq, Debug, Zeroize)]
-pub enum Timelock {
-  None,
-  Block(usize),
-  Time(u64),
-}
-
-impl Timelock {
-  fn from_raw(raw: u64) -> Timelock {
-    if raw == 0 {
-      Timelock::None
-    } else if raw < 500_000_000 {
-      Timelock::Block(usize::try_from(raw).unwrap())
-    } else {
-      Timelock::Time(raw)
-    }
-  }
-
-  fn write<W: Write>(&self, w: &mut W) -> io::Result<()> {
-    write_varint(
-      &match self {
-        Timelock::None => 0,
-        Timelock::Block(block) => (*block).try_into().unwrap(),
-        Timelock::Time(time) => *time,
-      },
-      w,
-    )
-  }
-}
-
-impl PartialOrd for Timelock {
-  fn partial_cmp(&self, other: &Self) -> Option<Ordering> {
-    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,
-    }
-  }
-}
-
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub struct TransactionPrefix {
-  pub version: u64,
-  pub timelock: Timelock,
-  pub inputs: Vec<Input>,
-  pub outputs: Vec<Output>,
-  pub extra: Vec<u8>,
-}
-
-impl TransactionPrefix {
-  pub(crate) fn fee_weight(
-    decoy_weights: &[usize],
-    outputs: usize,
-    view_tags: bool,
-    extra: usize,
-  ) -> usize {
-    // Assumes Timelock::None since this library won't let you create a TX with a timelock
-    // 1 input for every decoy weight
-    1 + 1 +
-      varint_len(decoy_weights.len()) +
-      decoy_weights.iter().map(|&offsets_weight| Input::fee_weight(offsets_weight)).sum::<usize>() +
-      varint_len(outputs) +
-      (outputs * Output::fee_weight(view_tags)) +
-      varint_len(extra) +
-      extra
-  }
-
-  pub fn write<W: Write>(&self, w: &mut W) -> io::Result<()> {
-    write_varint(&self.version, w)?;
-    self.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)
-  }
-
-  pub fn serialize(&self) -> Vec<u8> {
-    let mut res = vec![];
-    self.write(&mut res).unwrap();
-    res
-  }
-
-  pub fn read<R: Read>(r: &mut R) -> io::Result<TransactionPrefix> {
-    let version = read_varint(r)?;
-    // TODO: Create an enum out of version
-    if (version == 0) || (version > 2) {
-      Err(io::Error::other("unrecognized transaction version"))?;
-    }
-
-    let timelock = Timelock::from_raw(read_varint(r)?);
-
-    let inputs = read_vec(|r| Input::read(r), 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 {
-      version,
-      timelock,
-      inputs,
-      outputs: read_vec(|r| Output::read((!is_miner_tx) && (version == 2), r), r)?,
-      extra: vec![],
-    };
-    prefix.extra = read_vec(read_byte, r)?;
-    Ok(prefix)
-  }
-
-  pub fn hash(&self) -> [u8; 32] {
-    hash(&self.serialize())
-  }
-}
-
-/// Monero transaction. For version 1, rct_signatures still contains an accurate fee value.
-#[derive(Clone, PartialEq, Eq, Debug)]
-pub struct Transaction {
-  pub prefix: TransactionPrefix,
-  pub signatures: Vec<RingSignature>,
-  pub rct_signatures: RctSignatures,
-}
-
-impl Transaction {
-  pub(crate) fn fee_weight(
-    protocol: Protocol,
-    decoy_weights: &[usize],
-    outputs: usize,
-    extra: usize,
-    fee: u64,
-  ) -> usize {
-    TransactionPrefix::fee_weight(decoy_weights, outputs, protocol.view_tags(), extra) +
-      RctSignatures::fee_weight(protocol, decoy_weights.len(), outputs, fee)
-  }
-
-  pub fn write<W: Write>(&self, w: &mut W) -> io::Result<()> {
-    self.prefix.write(w)?;
-    if self.prefix.version == 1 {
-      for ring_sig in &self.signatures {
-        ring_sig.write(w)?;
-      }
-      Ok(())
-    } else if self.prefix.version == 2 {
-      self.rct_signatures.write(w)
-    } else {
-      panic!("Serializing a transaction with an unknown version");
-    }
-  }
-
-  pub fn serialize(&self) -> Vec<u8> {
-    let mut res = Vec::with_capacity(2048);
-    self.write(&mut res).unwrap();
-    res
-  }
-
-  pub fn read<R: Read>(r: &mut R) -> io::Result<Transaction> {
-    let prefix = TransactionPrefix::read(r)?;
-    let mut signatures = vec![];
-    let mut rct_signatures = RctSignatures {
-      base: RctBase { fee: 0, encrypted_amounts: vec![], pseudo_outs: vec![], commitments: vec![] },
-      prunable: RctPrunable::Null,
-    };
-
-    if prefix.version == 1 {
-      signatures = prefix
-        .inputs
-        .iter()
-        .filter_map(|input| match input {
-          Input::ToKey { key_offsets, .. } => Some(RingSignature::read(key_offsets.len(), r)),
-          _ => None,
-        })
-        .collect::<Result<_, _>>()?;
-
-      if !matches!(prefix.inputs[0], Input::Gen(..)) {
-        let in_amount = prefix
-          .inputs
-          .iter()
-          .map(|input| match input {
-            Input::Gen(..) => Err(io::Error::other("Input::Gen present in non-coinbase v1 TX"))?,
-            // v1 TXs can burn v2 outputs
-            // dcff3fe4f914d6b6bd4a5b800cc4cca8f2fdd1bd73352f0700d463d36812f328 is one such TX
-            // It includes a pre-RCT signature for a RCT output, yet if you interpret the RCT
-            // output as being worth 0, it passes a sum check (guaranteed since no outputs are RCT)
-            Input::ToKey { amount, .. } => Ok(amount.unwrap_or(0)),
-          })
-          .collect::<io::Result<Vec<_>>>()?
-          .into_iter()
-          .sum::<u64>();
-
-        let mut out = 0;
-        for output in &prefix.outputs {
-          if output.amount.is_none() {
-            Err(io::Error::other("v1 transaction had a 0-amount output"))?;
-          }
-          out += output.amount.unwrap();
-        }
-
-        if in_amount < out {
-          Err(io::Error::other("transaction spent more than it had as inputs"))?;
-        }
-        rct_signatures.base.fee = in_amount - out;
-      }
-    } else if prefix.version == 2 {
-      rct_signatures = RctSignatures::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,
-      )?;
-    } else {
-      Err(io::Error::other("Tried to deserialize unknown version"))?;
-    }
-
-    Ok(Transaction { prefix, signatures, rct_signatures })
-  }
-
-  pub fn hash(&self) -> [u8; 32] {
-    let mut buf = Vec::with_capacity(2048);
-    if self.prefix.version == 1 {
-      self.write(&mut buf).unwrap();
-      hash(&buf)
-    } else {
-      let mut hashes = Vec::with_capacity(96);
-
-      hashes.extend(self.prefix.hash());
-
-      self.rct_signatures.base.write(&mut buf, self.rct_signatures.rct_type()).unwrap();
-      hashes.extend(hash(&buf));
-      buf.clear();
-
-      hashes.extend(&match self.rct_signatures.prunable {
-        RctPrunable::Null => [0; 32],
-        _ => {
-          self.rct_signatures.prunable.write(&mut buf, self.rct_signatures.rct_type()).unwrap();
-          hash(&buf)
-        }
-      });
-
-      hash(&hashes)
-    }
-  }
-
-  /// Calculate the hash of this transaction as needed for signing it.
-  pub fn signature_hash(&self) -> [u8; 32] {
-    if self.prefix.version == 1 {
-      return self.prefix.hash();
-    }
-
-    let mut buf = Vec::with_capacity(2048);
-    let mut sig_hash = Vec::with_capacity(96);
-
-    sig_hash.extend(self.prefix.hash());
-
-    self.rct_signatures.base.write(&mut buf, self.rct_signatures.rct_type()).unwrap();
-    sig_hash.extend(hash(&buf));
-    buf.clear();
-
-    self.rct_signatures.prunable.signature_write(&mut buf).unwrap();
-    sig_hash.extend(hash(&buf));
-
-    hash(&sig_hash)
-  }
-
-  fn is_rct_bulletproof(&self) -> bool {
-    match &self.rct_signatures.rct_type() {
-      RctType::Bulletproofs | RctType::BulletproofsCompactAmount | RctType::Clsag => true,
-      RctType::Null |
-      RctType::MlsagAggregate |
-      RctType::MlsagIndividual |
-      RctType::BulletproofsPlus => false,
-    }
-  }
-
-  fn is_rct_bulletproof_plus(&self) -> bool {
-    match &self.rct_signatures.rct_type() {
-      RctType::BulletproofsPlus => true,
-      RctType::Null |
-      RctType::MlsagAggregate |
-      RctType::MlsagIndividual |
-      RctType::Bulletproofs |
-      RctType::BulletproofsCompactAmount |
-      RctType::Clsag => false,
-    }
-  }
-
-  /// 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 + Bulletproofs::calculate_bp_clawback(bp_plus, self.prefix.outputs.len()).0
-    }
-  }
-}