From 97a4b1257c0be9e7451b738b9b951fa7da7758d4 Mon Sep 17 00:00:00 2001
From: SangIlMo <sangil.mo@fairsquarelab.com>
Date: Wed, 8 May 2024 23:41:14 +0900
Subject: [PATCH] internal/ethapi: recap higher args.Gas with block GasLimit in
 DoEstimateGas

---
 internal/ethapi/api.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/internal/ethapi/api.go b/internal/ethapi/api.go
index d308cead62..fda0341a17 100644
--- a/internal/ethapi/api.go
+++ b/internal/ethapi/api.go
@@ -1202,6 +1202,11 @@ func DoEstimateGas(ctx context.Context, b Backend, args TransactionArgs, blockNr
 	if err := args.CallDefaults(gasCap, header.BaseFee, b.ChainConfig().ChainID); err != nil {
 		return 0, err
 	}
+	// when gas is over header.GasLimit, just recap with header.GasLimit
+	if uint64(*args.Gas) > header.GasLimit {
+		*args.Gas = (hexutil.Uint64)(header.GasLimit)
+	}
+
 	call := args.ToMessage(header.BaseFee)
 	// Run the gas estimation andwrap any revertals into a custom return
 	estimate, revert, err := gasestimator.Estimate(ctx, call, opts, gasCap)