the localsigner wallet

Signed-off-by: Cyrill Leutwiler <bigcyrill@hotmail.com>

crates/config/Cargo.toml

@@ -9,6 +9,7 @@ repository.workspace = true
 rust-version.workspace = true
 
 [dependencies]
+alloy = { workspace = true }
 clap = { workspace = true }
 semver = { workspace = true }
 temp-dir = { workspace = true }

crates/config/src/lib.rs

@@ -2,6 +2,7 @@
 
 use std::path::{Path, PathBuf};
 
+use alloy::{network::EthereumWallet, signers::local::PrivateKeySigner};
 use clap::{Parser, ValueEnum};
 use semver::Version;
 use temp_dir::TempDir;
@@ -85,6 +86,10 @@ pub struct Arguments {
 }
 
 impl Arguments {
+    /// Return the configured working directory with the following precedence:
+    /// 1. `self.working_directory` if it was provided.
+    /// 2. `self.temp_dir` if it it was provided
+    /// 3. Panic.
     pub fn directory(&self) -> &Path {
         if let Some(path) = &self.working_directory {
             return path.as_path();
@@ -96,6 +101,18 @@ impl Arguments {
 
         panic!("should have a workdir configured")
     }
+
+    /// Try to parse `self.account` into a [PrivateKeySigner],
+    /// panicing on error.
+    pub fn wallet(&self) -> EthereumWallet {
+        let signer = self
+            .account
+            .parse::<PrivateKeySigner>()
+            .unwrap_or_else(|error| {
+                panic!("private key '{}' parsing error: {error}", self.account);
+            });
+        EthereumWallet::new(signer)
+    }
 }
 
 impl Default for Arguments {

crates/node/src/geth.rs

@@ -11,6 +11,7 @@ use std::{
 };
 
 use alloy::{
+    network::EthereumWallet,
     providers::{Provider, ProviderBuilder, ext::DebugApi},
     rpc::types::{
         TransactionReceipt, TransactionRequest,
@@ -43,6 +44,7 @@ pub struct Instance {
     handle: Option<Child>,
     network_id: u64,
     start_timeout: u64,
+    wallet: EthereumWallet,
 }
 
 impl Instance {
@@ -148,9 +150,11 @@ impl EthereumNode for Instance {
         transaction: TransactionRequest,
     ) -> anyhow::Result<alloy::rpc::types::TransactionReceipt> {
         let connection_string = self.connection_string();
+        let wallet = self.wallet.clone();
 
         execute_transaction(Box::pin(async move {
             Ok(ProviderBuilder::new()
+                .wallet(wallet)
                 .connect(&connection_string)
                 .await?
                 .send_transaction(transaction)
@@ -170,9 +174,11 @@ impl EthereumNode for Instance {
             disable_code: None,
             disable_storage: None,
         });
+        let wallet = self.wallet.clone();
 
         trace_transaction(Box::pin(async move {
             Ok(ProviderBuilder::new()
+                .wallet(wallet)
                 .connect(&connection_string)
                 .await?
                 .debug_trace_transaction(transaction.transaction_hash, trace_options)
@@ -196,6 +202,7 @@ impl Node for Instance {
             handle: None,
             network_id: config.network_id,
             start_timeout: config.geth_start_timeout,
+            wallet: config.wallet(),
         }
     }