refactor!(all): remove ethers and use alloy

.github/workflows/tests.yml

@@ -3,27 +3,27 @@ name: tests
 
 on:
   push:
-    branches: [ main ]
+    branches: [main]
   pull_request:
   workflow_dispatch:
 
 jobs:
   fmt:
     name: cargo fmt
     runs-on: ubuntu-latest
-    container: 
-      image: rust:1.74-bookworm
+    container:
+      image: rust:1.79-bookworm
     steps:
       - uses: actions/checkout@v3
       - run: |
           rustup component add rustfmt
           cargo fmt --all -- --check
-          
+
   clippy:
     name: cargo clippy
     runs-on: ubuntu-latest
-    container: 
-      image: rust:1.74-bookworm
+    container:
+      image: rust:1.79-bookworm
     steps:
       - uses: actions/checkout@v3
       - uses: actions/cache@v3
@@ -36,9 +36,9 @@ jobs:
             target/
           key: ${{ runner.os }}-cargo-clippy
       - run: |
-           rustup component add clippy
-           cargo clippy --all-targets --all-features -- -D warnings
-  
+          rustup component add clippy
+          cargo clippy --all-targets --all-features -- -D warnings
+
   test-and-coverage:
     name: cargo test and coverage
     runs-on: ubuntu-latest
@@ -47,7 +47,7 @@ jobs:
       pull-requests: write
       actions: read
     container:
-      image: rust:1.74-bookworm
+      image: rust:1.79-bookworm
     steps:
       - uses: actions/checkout@v3
       - uses: actions/cache@v3
@@ -62,7 +62,7 @@ jobs:
       - name: Install cargo-llvm-cov
         uses: taiki-e/install-action@cargo-llvm-cov
       - name: Run tests and generate coverage report
-        run: cargo llvm-cov test --all-features --workspace --lcov --output-path lcov.info 
+        run: cargo llvm-cov test --all-features --workspace --lcov --output-path lcov.info
       - name: Upload coverage to Coveralls
         uses: coverallsapp/[email protected]
         with:
@@ -72,7 +72,7 @@ jobs:
     name: cargo test docs
     runs-on: ubuntu-latest
     container:
-      image: rust:1.74-bookworm
+      image: rust:1.79-bookworm
     steps:
       - uses: actions/checkout@v3
       - uses: actions/cache@v3

Dockerfile.tap_aggregator

@@ -1,4 +1,4 @@
-FROM rust:1.74-bookworm as build
+FROM rust:1.79-bookworm as build
 
 WORKDIR /root
 COPY . .

tap_aggregator/Cargo.toml

@@ -16,9 +16,7 @@ anyhow = "1.0.70"
 tokio = { version = "1.27.0", features = ["macros", "signal"] }
 tap_core = { version = "1.0.0", path = "../tap_core" }
 jsonrpsee = { version = "0.18.0", features = ["server", "macros"] }
-ethers-signers = "2.0.3"
 clap = { version = "4.2.4", features = ["derive", "env"] }
-ethers-core = "2.0.3"
 serde = { version = "1.0.163", features = ["derive"] }
 serde_json = { version = "1.0.96", features = ["raw_value"] }
 strum = { version = "0.24.1", features = ["strum_macros", "derive"] }
@@ -28,9 +26,7 @@ prometheus = "0.13.3"
 axum = "0.6.18"
 futures-util = "0.3.28"
 lazy_static = "1.4.0"
-alloy-sol-types = { version = "0.7.0", features = ["eip712-serde"] }
-alloy-primitives = { version = "0.7.0", features = ["serde"] }
-ethereum-types = "0.14.1"
+alloy = { version = "0.2.0", features = ["full"] }
 ruint = "1.10.1"
 
 [dev-dependencies]

tap_aggregator/src/aggregator.rs

@@ -3,11 +3,11 @@
 
 use std::collections::{hash_set, HashSet};
 
-use alloy_primitives::Address;
-use alloy_sol_types::{Eip712Domain, SolStruct};
+use alloy::{
+    dyn_abi::Eip712Domain, primitives::Address, signers::local::PrivateKeySigner,
+    sol_types::SolStruct,
+};
 use anyhow::{bail, Ok, Result};
-use ethers_core::types::Signature;
-use ethers_signers::LocalWallet;
 
 use tap_core::{
     rav::ReceiptAggregateVoucher, receipt::Receipt, signed_message::EIP712SignedMessage,
@@ -17,7 +17,7 @@ pub fn check_and_aggregate_receipts(
     domain_separator: &Eip712Domain,
     receipts: &[EIP712SignedMessage<Receipt>],
     previous_rav: Option<EIP712SignedMessage<ReceiptAggregateVoucher>>,
-    wallet: &LocalWallet,
+    wallet: &PrivateKeySigner,
     accepted_addresses: &HashSet<Address>,
 ) -> Result<EIP712SignedMessage<ReceiptAggregateVoucher>> {
     check_signatures_unique(receipts)?;
@@ -99,11 +99,15 @@ fn check_allocation_id(
 }
 
 fn check_signatures_unique(receipts: &[EIP712SignedMessage<Receipt>]) -> Result<()> {
-    let mut receipt_signatures: hash_set::HashSet<Signature> = hash_set::HashSet::new();
+    let mut receipt_signatures: hash_set::HashSet<[u8; 65]> = hash_set::HashSet::new();
     for receipt in receipts.iter() {
-        let signature = receipt.signature;
+        let signature = receipt.signature.as_bytes();
         if !receipt_signatures.insert(signature) {
-            return Err(tap_core::Error::DuplicateReceiptSignature(signature.to_string()).into());
+            return Err(tap_core::Error::DuplicateReceiptSignature(format!(
+                "{:?}",
+                receipt.signature
+            ))
+            .into());
         }
     }
     Ok(())
@@ -133,22 +137,17 @@ fn check_receipt_timestamps(
 mod tests {
     use std::str::FromStr;
 
-    use alloy_primitives::Address;
-    use alloy_sol_types::Eip712Domain;
-    use ethers_signers::{LocalWallet, Signer};
+    use alloy::{dyn_abi::Eip712Domain, primitives::Address, signers::local::PrivateKeySigner};
     use rstest::*;
 
     use crate::aggregator;
     use tap_core::{receipt::Receipt, signed_message::EIP712SignedMessage, tap_eip712_domain};
 
     #[fixture]
-    fn keys() -> (LocalWallet, Address) {
-        let wallet = LocalWallet::from_str(
-            "1ab42cc412b618bdea3a599e3c9bae199ebf030895b039e9db1e30dafb12b727",
-        )
-        .unwrap();
-        let address: [u8; 20] = wallet.address().into();
-        (wallet, address.into())
+    fn keys() -> (PrivateKeySigner, Address) {
+        let wallet = PrivateKeySigner::random();
+        let address = wallet.address();
+        (wallet, address)
     }
 
     #[fixture]
@@ -169,7 +168,7 @@ mod tests {
     #[rstest]
     #[test]
     fn check_signatures_unique_fail(
-        keys: (LocalWallet, Address),
+        keys: (PrivateKeySigner, Address),
         allocation_ids: Vec<Address>,
         domain_separator: Eip712Domain,
     ) {
@@ -191,7 +190,7 @@ mod tests {
     #[rstest]
     #[test]
     fn check_signatures_unique_ok(
-        keys: (LocalWallet, Address),
+        keys: (PrivateKeySigner, Address),
         allocation_ids: Vec<Address>,
         domain_separator: Eip712Domain,
     ) {
@@ -219,7 +218,7 @@ mod tests {
     #[test]
     /// Test that a receipt with a timestamp greater then the rav timestamp passes
     fn check_receipt_timestamps(
-        keys: (LocalWallet, Address),
+        keys: (PrivateKeySigner, Address),
         allocation_ids: Vec<Address>,
         domain_separator: Eip712Domain,
     ) {
@@ -289,7 +288,7 @@ mod tests {
     /// Test check_allocation_id with 2 receipts that have the correct allocation id
     /// and 1 receipt that has the wrong allocation id
     fn check_allocation_id_fail(
-        keys: (LocalWallet, Address),
+        keys: (PrivateKeySigner, Address),
         allocation_ids: Vec<Address>,
         domain_separator: Eip712Domain,
     ) {
@@ -323,7 +322,7 @@ mod tests {
     #[test]
     /// Test check_allocation_id with 3 receipts that have the correct allocation id
     fn check_allocation_id_ok(
-        keys: (LocalWallet, Address),
+        keys: (PrivateKeySigner, Address),
         allocation_ids: Vec<Address>,
         domain_separator: Eip712Domain,
     ) {

tap_aggregator/src/main.rs

@@ -7,11 +7,13 @@ use std::borrow::Cow;
 use std::collections::HashSet;
 use std::str::FromStr;
 
-use alloy_primitives::{Address, FixedBytes, U256};
-use alloy_sol_types::Eip712Domain;
+use alloy::dyn_abi::Eip712Domain;
+use alloy::primitives::Address;
+use alloy::primitives::FixedBytes;
+use alloy::signers::local::PrivateKeySigner;
 use anyhow::Result;
 use clap::Parser;
-use ethers_signers::{LocalWallet, Signer};
+use ruint::aliases::U256;
 use tokio::signal::unix::{signal, SignalKind};
 
 use log::{debug, info};
@@ -96,7 +98,7 @@ async fn main() -> Result<()> {
     tokio::spawn(metrics::run_server(args.metrics_port));
 
     // Create a wallet from the mnemonic.
-    let wallet = LocalWallet::from_str(&args.private_key)?;
+    let wallet = PrivateKeySigner::from_str(&args.private_key)?;
 
     info!("Wallet address: {:#40x}", wallet.address());
 

tap_aggregator/src/server.rs

@@ -3,10 +3,10 @@
 
 use std::{collections::HashSet, str::FromStr};
 
-use alloy_primitives::Address;
-use alloy_sol_types::Eip712Domain;
+use alloy::dyn_abi::Eip712Domain;
+use alloy::primitives::Address;
+use alloy::signers::local::PrivateKeySigner;
 use anyhow::Result;
-use ethers_signers::LocalWallet;
 use jsonrpsee::{proc_macros::rpc, server::ServerBuilder, server::ServerHandle};
 use lazy_static::lazy_static;
 use prometheus::{register_counter, register_int_counter, Counter, IntCounter};
@@ -91,7 +91,7 @@ pub trait Rpc {
 }
 
 struct RpcImpl {
-    wallet: LocalWallet,
+    wallet: PrivateKeySigner,
     accepted_addresses: HashSet<Address>,
     domain_separator: Eip712Domain,
 }
@@ -128,7 +128,7 @@ fn check_api_version_deprecation(api_version: &TapRpcApiVersion) -> Option<JsonR
 
 fn aggregate_receipts_(
     api_version: String,
-    wallet: &LocalWallet,
+    wallet: &PrivateKeySigner,
     accepted_addresses: &HashSet<Address>,
     domain_separator: &Eip712Domain,
     receipts: Vec<EIP712SignedMessage<Receipt>>,
@@ -210,7 +210,7 @@ impl RpcServer for RpcImpl {
 
 pub async fn run_server(
     port: u16,
-    wallet: LocalWallet,
+    wallet: PrivateKeySigner,
     accepted_addresses: HashSet<Address>,
     domain_separator: Eip712Domain,
     max_request_body_size: u32,
@@ -243,9 +243,7 @@ mod tests {
     use std::collections::HashSet;
     use std::str::FromStr;
 
-    use alloy_primitives::Address;
-    use alloy_sol_types::Eip712Domain;
-    use ethers_signers::{coins_bip39::English, LocalWallet, MnemonicBuilder, Signer};
+    use alloy::{dyn_abi::Eip712Domain, primitives::Address, signers::local::PrivateKeySigner};
     use jsonrpsee::{core::client::ClientT, http_client::HttpClientBuilder, rpc_params};
     use rand::prelude::*;
     use rand::seq::SliceRandom;
@@ -259,25 +257,14 @@ mod tests {
 
     #[derive(Clone)]
     struct Keys {
-        wallet: LocalWallet,
+        wallet: PrivateKeySigner,
         address: Address,
     }
 
-    fn keys(index: u32) -> Keys {
-        let wallet: LocalWallet = MnemonicBuilder::<English>::default()
-         .phrase("abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about")
-         .index(index)
-         .unwrap()
-         .build()
-         .unwrap();
-        // Alloy library does not have feature parity with ethers library (yet) This workaround is needed to get the address
-        // to convert to an alloy Address. This will not be needed when the alloy library has wallet support.
-        let address: [u8; 20] = wallet.address().into();
-
-        Keys {
-            wallet,
-            address: address.into(),
-        }
+    fn keys() -> Keys {
+        let wallet = PrivateKeySigner::random();
+        let address = wallet.address();
+        Keys { wallet, address }
     }
 
     #[fixture]
@@ -319,7 +306,7 @@ mod tests {
         http_max_concurrent_connections: u32,
     ) {
         // The keys that will be used to sign the new RAVs
-        let keys_main = keys(0);
+        let keys_main = keys();
 
         // Start the JSON-RPC server.
         let (handle, local_addr) = server::run_server(
@@ -362,10 +349,10 @@ mod tests {
         #[values(0, 1, 2)] random_seed: u64,
     ) {
         // The keys that will be used to sign the new RAVs
-        let keys_main = keys(0);
+        let keys_main = keys();
         // Extra keys to test the server's ability to accept multiple signers as input
-        let keys_0 = keys(1);
-        let keys_1 = keys(2);
+        let keys_0 = keys();
+        let keys_1 = keys();
         // Vector of all wallets to make it easier to select one randomly
         let all_wallets = vec![keys_main.clone(), keys_0.clone(), keys_1.clone()];
         // PRNG for selecting a random wallet
@@ -443,10 +430,10 @@ mod tests {
         #[values(0, 1, 2, 3, 4)] random_seed: u64,
     ) {
         // The keys that will be used to sign the new RAVs
-        let keys_main = keys(0);
+        let keys_main = keys();
         // Extra keys to test the server's ability to accept multiple signers as input
-        let keys_0 = keys(1);
-        let keys_1 = keys(2);
+        let keys_0 = keys();
+        let keys_1 = keys();
         // Vector of all wallets to make it easier to select one randomly
         let all_wallets = vec![keys_main.clone(), keys_0.clone(), keys_1.clone()];
         // PRNG for selecting a random wallet
@@ -528,7 +515,7 @@ mod tests {
         allocation_ids: Vec<Address>,
     ) {
         // The keys that will be used to sign the new RAVs
-        let keys_main = keys(0);
+        let keys_main = keys();
 
         // Start the JSON-RPC server.
         let (handle, local_addr) = server::run_server(
@@ -611,7 +598,7 @@ mod tests {
         #[values("0.0")] api_version: &str,
     ) {
         // The keys that will be used to sign the new RAVs
-        let keys_main = keys(0);
+        let keys_main = keys();
 
         // Set the request byte size limit to a value that easily triggers the HTTP 413
         // error.

tap_core/Cargo.toml

@@ -12,15 +12,9 @@ rand_core = "0.6.4"
 serde = { version = "1.0", features = ["derive", "rc"] }
 rand = "0.8.5"
 thiserror = "1.0.38"
-ethereum-types = { version = "0.14.1" }
 rstest = "0.17.0"
-ethers = { version = "2.0.0", default-features = false }
-ethers-core = "2.0.0"
-ethers-contract = "2.0.0"
-ethers-contract-derive = "2.0.0"
 anyhow = "1"
-alloy-sol-types = { version = "0.7.0", features = ["eip712-serde"] }
-alloy-primitives = { version = "0.7.0", features = ["serde"] }
+alloy = { version = "0.2.0", features = ["full"] }
 
 strum = "0.24.1"
 strum_macros = "0.24.3"