some polish on the builder refactor

Cargo.toml

@@ -14,16 +14,16 @@ default-members = ["bin/mev"]
 version = "0.3.0"
 
 [workspace.dependencies]
-ethereum-consensus = { git = "https://github.com/ralexstokes/ethereum-consensus", rev = "6c7305336397b1cfa1c780812a51c97bd025d052" }
-beacon-api-client = { git = "https://github.com/ralexstokes/ethereum-consensus", rev = "6c7305336397b1cfa1c780812a51c97bd025d052" }
+ethereum-consensus = { git = "https://github.com/ralexstokes/ethereum-consensus", rev = "0919f02435e1b64e27c53931cac8e08edaad5f8b" }
+beacon-api-client = { git = "https://github.com/ralexstokes/ethereum-consensus", rev = "0919f02435e1b64e27c53931cac8e08edaad5f8b" }
 
-reth = { git = "https://github.com/paradigmxyz/reth", rev = "71f8e678aa53f75c2c35badaa5848262de594cdc" }
-reth-db = { git = "https://github.com/paradigmxyz/reth", rev = "71f8e678aa53f75c2c35badaa5848262de594cdc" }
-reth-node-ethereum = { git = "https://github.com/paradigmxyz/reth", rev = "71f8e678aa53f75c2c35badaa5848262de594cdc" }
-reth-evm-ethereum = { git = "https://github.com/paradigmxyz/reth", rev = "71f8e678aa53f75c2c35badaa5848262de594cdc" }
-reth-basic-payload-builder = { git = "https://github.com/paradigmxyz/reth", rev = "71f8e678aa53f75c2c35badaa5848262de594cdc" }
-alloy-signer = { git = "https://github.com/alloy-rs/alloy", rev = "188c4f8" }
-alloy-signer-wallet = { git = "https://github.com/alloy-rs/alloy", rev = "188c4f8" }
+reth = { git = "https://github.com/paradigmxyz/reth", rev = "6d7cd53ad25f0b79c89fd60a4db2a0f2fe097efe" }
+reth-db = { git = "https://github.com/paradigmxyz/reth", rev = "6d7cd53ad25f0b79c89fd60a4db2a0f2fe097efe" }
+reth-node-ethereum = { git = "https://github.com/paradigmxyz/reth", rev = "6d7cd53ad25f0b79c89fd60a4db2a0f2fe097efe" }
+reth-evm-ethereum = { git = "https://github.com/paradigmxyz/reth", rev = "6d7cd53ad25f0b79c89fd60a4db2a0f2fe097efe" }
+reth-basic-payload-builder = { git = "https://github.com/paradigmxyz/reth", rev = "6d7cd53ad25f0b79c89fd60a4db2a0f2fe097efe" }
+alloy-signer = { git = "https://github.com/alloy-rs/alloy", rev = "4e22b9e" }
+alloy-signer-wallet = { git = "https://github.com/alloy-rs/alloy", rev = "4e22b9e" }
 
 eyre = "0.6.8"
 futures-util = "0.3.30"

bin/mev/src/cmd/boost.rs

@@ -1,5 +1,6 @@
 use crate::cmd::config::Config;
 use clap::Args;
+use eyre::OptionExt;
 use mev_boost_rs::Service;
 use tracing::info;
 
@@ -16,7 +17,7 @@ impl Command {
 
         let config = Config::from_toml_file(config_file)?;
 
-        let network = config.network;
+        let network = config.network.ok_or_eyre("missing `network` from configuration)")?;
         info!("configured for `{network}`");
 
         if let Some(config) = config.boost {

bin/mev/src/cmd/config.rs

@@ -14,7 +14,7 @@ use tracing::{info, trace};
 
 #[derive(Debug, Deserialize)]
 pub struct Config {
-    pub network: Network,
+    pub network: Option<Network>,
     #[cfg(feature = "boost")]
     pub boost: Option<BoostConfig>,
     #[cfg(feature = "build")]

bin/mev/src/cmd/relay.rs

@@ -1,5 +1,6 @@
 use crate::cmd::config::Config;
 use clap::{Args, Subcommand};
+use eyre::OptionExt;
 use mev_relay_rs::Service;
 use tracing::info;
 
@@ -30,7 +31,7 @@ impl Command {
 
         let config = Config::from_toml_file(config_file)?;
 
-        let network = config.network;
+        let network = config.network.ok_or_eyre("missing `network` from configuration)")?;
         info!("configured for `{network}`");
 
         if let Some(config) = config.relay {

bin/mev/src/main.rs

@@ -1,8 +1,10 @@
 mod cmd;
 
-use clap::{Parser, Subcommand};
-use std::future::Future;
+use clap::{CommandFactory, Parser, Subcommand};
+use eyre::OptionExt;
+use std::{future::Future, path::PathBuf};
 use tokio::signal;
+use tracing::warn;
 use tracing_subscriber::{layer::SubscriberExt, util::SubscriberInitExt};
 
 #[derive(Debug, Parser)]
@@ -51,7 +53,25 @@ fn run_task_until_signal(task: impl Future<Output = eyre::Result<()>>) -> eyre::
         })
 }
 
+fn parse_custom_chain_config_directory() -> eyre::Result<Option<PathBuf>> {
+    let matches = Cli::command().get_matches();
+    let (_, matches) = matches.subcommand().ok_or_eyre("missing subcommand")?;
+    let iter = matches.try_get_raw("chain").transpose();
+
+    if let Some(Ok(mut iter)) = iter {
+        Ok(iter.next().and_then(|raw| {
+            raw.to_str().and_then(|s| {
+                let path = PathBuf::from(s);
+                path.parent().map(PathBuf::from)
+            })
+        }))
+    } else {
+        Ok(None)
+    }
+}
+
 fn main() -> eyre::Result<()> {
+    let custom_chain_config_directory = parse_custom_chain_config_directory()?;
     let cli = Cli::parse();
 
     match cli.command {
@@ -60,13 +80,11 @@ fn main() -> eyre::Result<()> {
         #[cfg(feature = "build")]
         Commands::Build(cmd) => cmd.run(|node_builder, cli_args| async move {
             let config: cmd::config::Config = cli_args.try_into()?;
-            let network = config.network;
-
-            if let Some(config) = config.builder {
-                mev_build_rs::launch(node_builder, network, config).await
-            } else {
-                Err(eyre::eyre!("missing `builder` configuration"))
+            if let Some(network) = config.network {
+                warn!(%network, "`network` option provided in configuration but ignored in favor of `reth` configuration");
             }
+            let config = config.builder.ok_or_eyre("missing `builder` configuration")?;
+            mev_build_rs::launch(node_builder, custom_chain_config_directory,  config).await
         }),
         #[cfg(feature = "relay")]
         Commands::Relay(cmd) => run_task_until_signal(cmd.execute()),

example.config.toml

@@ -19,25 +19,31 @@ accepted_builders = [
 ]
 
 [builder]
-# number of milliseconds to submit bids ahead of the target slot
-bidding_deadline_ms = 1000
-# amount of value to bid as a fraction of the payload's revenue
-bid_percent = 0.9
-# amount to add to the bid on top of the payload's revenue,
-# currently sourced from the builder's wallet authoring the payment transaction
-subsidy_gwei = 100000000 # 0.1 eth
-
 [builder.auctioneer]
 # builder BLS secret key
 secret_key = "0x14b6e79cbc6267c6e527b4bf7a71747d42a58b10279366cf0c7bb4e2aa455901"
 # list of relays to connect to
 relays = [
     "https://0x845bd072b7cd566f02faeb0a4033ce9399e42839ced64e8b2adcfc859ed1e8e1a5a293336a49feac6d9a5edb779be53a@boost-relay-sepolia.flashbots.net",
 ]
+
 [builder.builder]
-# address to collect transaction fees
-fee_recipient = "0x0000000000000000000000000000000000000000"
+# [optional] address to collect transaction fees
+# if missing, sender from `execution_mnemonic` is used
+fee_recipient = "0x9858EfFD232B4033E47d90003D41EC34EcaEda94"
 # [optional] extra data to write into built execution payload
 extra_data = "0x68656C6C6F20776F726C640A" # "hello world"
 # wallet seed for builder to author payment transactions
 execution_mnemonic = "abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon abandon about"
+
+[builder.bidder]
+# amount in milliseconds of time to wait until submitting bids
+wait_until_ms = 3000
+# [optional] amount of value to bid as a fraction of the payload's revenue
+# if missing, defaults to 1.0 (100%)
+# validation: should be between [0, 1] inclusive.
+bid_percent = 0.9
+# [optional] amount to add to the bid on top of the payload's revenue,
+# if missing, defaults to 0 wei
+# currently sourced from the builder's wallet authoring the payment transaction
+subsidy_wei = "0x0000000000000000000000000000000000000000000000000000000000000001"