From 9f24399b7a33764f1ae4c09c0cd909be482c1980 Mon Sep 17 00:00:00 2001
From: File Large <red.zone7786@fastmail.com>
Date: Mon, 28 Jul 2025 13:11:20 +0200
Subject: [PATCH] feat(config): relay adjustment fee payer

---
 crates/rbuilder/src/live_builder/config.rs  | 7 ++++++-
 crates/rbuilder/src/primitives/mev_boost.rs | 4 +++-
 2 files changed, 9 insertions(+), 2 deletions(-)

diff --git a/crates/rbuilder/src/live_builder/config.rs b/crates/rbuilder/src/live_builder/config.rs
index 8e97a7c4a..6aa8de6c7 100644
--- a/crates/rbuilder/src/live_builder/config.rs
+++ b/crates/rbuilder/src/live_builder/config.rs
@@ -63,8 +63,8 @@ use reth_primitives::StaticFileSegment;
 use reth_provider::StaticFileProviderFactory;
 use serde::Deserialize;
 use serde_with::{serde_as, OneOrMany};
-use std::collections::HashMap;
 use std::{
+    collections::HashMap,
     fmt::Debug,
     path::{Path, PathBuf},
     str::FromStr,
@@ -762,6 +762,7 @@ lazy_static! {
                 authorization_header: None,
                 builder_id_header: None,
                 api_token_header: None,
+                adjustment_fee_payer: None,
                 ask_for_filtering_validators: None,
                 can_ignore_gas_limit: None,
             },
@@ -783,6 +784,7 @@ lazy_static! {
                 authorization_header: None,
                 builder_id_header: None,
                 api_token_header: None,
+                adjustment_fee_payer: None,
                 ask_for_filtering_validators: None,
                 can_ignore_gas_limit: None,
             },
@@ -804,6 +806,7 @@ lazy_static! {
                 authorization_header: None,
                 builder_id_header: None,
                 api_token_header: None,
+                adjustment_fee_payer: None,
                 ask_for_filtering_validators: None,
                 can_ignore_gas_limit: None,
             },
@@ -824,6 +827,7 @@ lazy_static! {
                 authorization_header: None,
                 builder_id_header: None,
                 api_token_header: None,
+                adjustment_fee_payer: None,
                 ask_for_filtering_validators: None,
                 can_ignore_gas_limit: None,
             },
@@ -845,6 +849,7 @@ lazy_static! {
                 authorization_header: None,
                 builder_id_header: None,
                 api_token_header: None,
+                adjustment_fee_payer: None,
                 ask_for_filtering_validators: None,
                 can_ignore_gas_limit: None,
             },
diff --git a/crates/rbuilder/src/primitives/mev_boost.rs b/crates/rbuilder/src/primitives/mev_boost.rs
index ca27e56f2..2685accc5 100644
--- a/crates/rbuilder/src/primitives/mev_boost.rs
+++ b/crates/rbuilder/src/primitives/mev_boost.rs
@@ -2,7 +2,7 @@ use crate::mev_boost::{
     submission::SubmitBlockRequestWithMetadata, RelayClient, RelayError, SubmitBlockErr,
     ValidatorSlotData,
 };
-use alloy_primitives::{utils::parse_ether, U256};
+use alloy_primitives::{utils::parse_ether, Address, U256};
 use governor::{DefaultDirectRateLimiter, Quota, RateLimiter};
 use serde::{Deserialize, Deserializer};
 use std::{env, sync::Arc, time::Duration};
@@ -56,6 +56,8 @@ pub struct RelayConfig {
     /// mode defines the need of submit_config
     #[serde(default)]
     pub mode: RelayMode,
+    /// Bid adjustment fee payer address.
+    pub adjustment_fee_payer: Option<Address>,
     #[serde(flatten)]
     /// Submit specific info.
     /// Used only for Full and Fake mode.