Smash serai-client so the processors don't need the entire lib to access their specific code

We prior controlled this with feature flags. It's just better to define their
own crates.

substrate/client/Cargo.toml

@@ -39,11 +39,9 @@ async-lock = "3"
 
 simple-request = { path = "../../common/request", version = "0.3", optional = true }
 
-bitcoin = { version = "0.32", optional = true }
-
-ciphersuite = { path = "../../crypto/ciphersuite", optional = true }
-dalek-ff-group = { path = "../../crypto/dalek-ff-group", optional = true }
-monero-address = { git = "https://github.com/monero-oxide/monero-oxide", rev = "030c60974f0f0306849c1795bca854a3bbb757b4", version = "0.1.0", default-features = false, features = ["std"], optional = true }
+serai-client-bitcoin = { path = "./bitcoin", optional = true }
+serai-client-ethereum = { path = "./ethereum", optional = true }
+serai-client-monero = { path = "./monero", optional = true }
 
 [dev-dependencies]
 rand_core = "0.6"
@@ -67,9 +65,9 @@ serai-docker-tests = { path = "../../tests/docker" }
 serai = ["thiserror/std", "scale", "serde", "serde_json", "multiaddr", "sp-core", "sp-runtime", "frame-system", "simple-request"]
 
 networks = []
-bitcoin = ["networks", "dep:bitcoin"]
-ethereum = ["networks"]
-monero = ["networks", "ciphersuite", "dalek-ff-group", "monero-address"]
+bitcoin = ["networks", "serai-client-bitcoin"]
+ethereum = ["networks", "serai-client-ethereum"]
+monero = ["networks", "serai-client-monero"]
 
 # Assumes the default usage is to use Serai as a DEX, which doesn't actually
 # require connecting to a Serai node

substrate/client/bitcoin/Cargo.toml

@@ -0,0 +1,27 @@
+[package]
+name = "serai-client-bitcoin"
+version = "0.1.0"
+description = "Bitcoin client library for the Serai network"
+license = "MIT"
+repository = "https://github.com/serai-dex/serai/tree/develop/substrate/client/bitcoin"
+authors = ["Luke Parker <lukeparker5132@gmail.com>"]
+keywords = ["serai"]
+edition = "2021"
+rust-version = "1.85"
+
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "docsrs"]
+
+[lints]
+workspace = true
+
+[dependencies]
+borsh = { version = "1", default-features = false, features = ["derive"] }
+
+serai-primitives = { path = "../../primitives", version = "0.1", default-features = false }
+
+bitcoin = { version = "0.32", default-features = false }
+
+[features]
+std = ["borsh/std", "serai-primitives/std", "bitcoin/std"]

substrate/client/bitcoin/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+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
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

substrate/client/bitcoin/src/lib.rs

@@ -1,3 +1,5 @@
+#![no_std]
+
 use core::{str::FromStr, fmt};
 
 use borsh::{BorshSerialize, BorshDeserialize};
@@ -10,7 +12,7 @@ use bitcoin::{
   address::{AddressType, NetworkChecked, Address as BAddress},
 };
 
-use crate::primitives::address::ExternalAddress;
+use serai_primitives::address::ExternalAddress;
 
 // SCALE-encodable representation of Bitcoin addresses, used internally.
 #[derive(Clone, PartialEq, Eq, Debug, BorshSerialize, BorshDeserialize)]

substrate/client/ethereum/Cargo.toml

@@ -0,0 +1,28 @@
+[package]
+name = "serai-client-ethereum"
+version = "0.1.0"
+description = "Ethereum client library for the Serai network"
+license = "MIT"
+repository = "https://github.com/serai-dex/serai/tree/develop/substrate/client/ethereum"
+authors = ["Luke Parker <lukeparker5132@gmail.com>"]
+keywords = ["serai"]
+edition = "2021"
+rust-version = "1.85"
+
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "docsrs"]
+
+[lints]
+workspace = true
+
+[dependencies]
+std-shims = { path = "../../../common/std-shims", default-features = false, features = ["alloc"] }
+
+hex = { version = "0.4", default-features = false, features = ["alloc"] }
+borsh = { version = "1", default-features = false, features = ["derive"] }
+
+serai-primitives = { path = "../../primitives", default-features = false, version = "0.1" }
+
+[features]
+std = ["std-shims/std", "borsh/std", "serai-primitives/std"]

substrate/client/ethereum/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+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
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

substrate/client/ethereum/src/lib.rs

@@ -1,9 +1,11 @@
+#![no_std]
+
 use core::str::FromStr;
-use std::io::Read;
+use std_shims::{vec::Vec, io::Read};
 
 use borsh::{BorshSerialize, BorshDeserialize};
 
-use crate::primitives::address::ExternalAddress;
+use serai_primitives::address::ExternalAddress;
 
 /// THe maximum amount of gas an address is allowed to specify as its gas limit.
 ///

substrate/client/monero/Cargo.toml

@@ -0,0 +1,26 @@
+[package]
+name = "serai-client-monero"
+version = "0.1.0"
+description = "Monero client library for the Serai network"
+license = "MIT"
+repository = "https://github.com/serai-dex/serai/tree/develop/substrate/client/monero"
+authors = ["Luke Parker <lukeparker5132@gmail.com>"]
+keywords = ["serai"]
+edition = "2021"
+rust-version = "1.85"
+
+[package.metadata.docs.rs]
+all-features = true
+rustdoc-args = ["--cfg", "docsrs"]
+
+[lints]
+workspace = true
+
+[dependencies]
+borsh = { version = "1", default-features = false, features = ["std"] }
+
+serai-primitives = { path = "../../primitives", version = "0.1", default-features = false, features = ["std"] }
+
+ciphersuite = { path = "../../../crypto/ciphersuite", default-features = false, features = ["std"] }
+dalek-ff-group = { path = "../../../crypto/dalek-ff-group", default-features = false, features = ["std"] }
+monero-address = { git = "https://github.com/monero-oxide/monero-oxide", rev = "030c60974f0f0306849c1795bca854a3bbb757b4", version = "0.1.0", default-features = false, features = ["std"] }

substrate/client/monero/LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+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
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

substrate/client/monero/src/lib.rs

@@ -5,7 +5,7 @@ use ciphersuite::GroupIo;
 
 use monero_address::{Network, AddressType as MoneroAddressType, MoneroAddress};
 
-use crate::primitives::address::ExternalAddress;
+use serai_primitives::address::ExternalAddress;
 
 #[derive(Clone, Copy, PartialEq, Eq, Debug)]
 enum AddressType {

substrate/client/src/networks.rs

@@ -0,0 +1,8 @@
+#[cfg(feature = "bitcoin")]
+pub use serai_client_bitcoin;
+
+#[cfg(feature = "ethereum")]
+pub mod serai_client_ethereum;
+
+#[cfg(feature = "monero")]
+pub mod serai_client_monero;

substrate/client/src/networks/mod.rs

@@ -1,8 +0,0 @@
-#[cfg(feature = "bitcoin")]
-pub mod bitcoin;
-
-#[cfg(feature = "ethereum")]
-pub mod ethereum;
-
-#[cfg(feature = "monero")]
-pub mod monero;