From ff100a7ee8b6c377c81f165266bd673bd7227244 Mon Sep 17 00:00:00 2001
From: buddh0 <galaxystroller@gmail.com>
Date: Wed, 4 Jun 2025 15:48:23 +0800
Subject: [PATCH] miner: change default mev config

---
 miner/minerconfig/config.go | 25 ++++++++++++++++---------
 1 file changed, 16 insertions(+), 9 deletions(-)

diff --git a/miner/minerconfig/config.go b/miner/minerconfig/config.go
index 7c7aee8a88..0cd3c07410 100644
--- a/miner/minerconfig/config.go
+++ b/miner/minerconfig/config.go
@@ -27,18 +27,25 @@ import (
 	"github.com/ethereum/go-ethereum/params"
 )
 
+// Default timing configurations
 var (
-	defaultDelayLeftOver         = 50 * time.Millisecond
 	defaultRecommit              = 10 * time.Second
 	defaultMaxWaitProposalInSecs = uint64(45)
-	// default configurations for MEV
-	defaultMevEnabled                   = false
-	defaultGreedyMergeTx         bool   = true
-	defaultBuilderFeeCeil        string = "0"
-	defaultValidatorCommission   uint64 = 100
-	defaultBidSimulationLeftOver        = 50 * time.Millisecond
-	defaultNoInterruptLeftOver          = 250 * time.Millisecond
-	defaultMaxBidsPerBuilder     uint32 = 2
+
+	defaultDelayLeftOver         = 20 * time.Millisecond
+	defaultBidSimulationLeftOver = 30 * time.Millisecond
+	// Bid simulation speed on mainnet ranges from 400 to 700 mgasps.
+	// Here we assume 500 for estimation.
+	defaultNoInterruptLeftOver = 170 * time.Millisecond // For gas limit 75M
+)
+
+// Other default MEV-related configurations
+var (
+	defaultMevEnabled          = false
+	defaultGreedyMergeTx       = true
+	defaultBuilderFeeCeil      = "0"
+	defaultValidatorCommission = uint64(100)
+	defaultMaxBidsPerBuilder   = uint32(2) // Simple strategy: send one bid early, another near deadline
 )
 
 // Config is the configuration parameters of mining.