From 14c2408957599c096409375d33d59ca3b7048733 Mon Sep 17 00:00:00 2001
From: Sina M <1591639+s1na@users.noreply.github.com>
Date: Fri, 6 Feb 2026 07:57:41 +0100
Subject: [PATCH] internal/ethapi: fix error code for revert in eth_simulateV1
 (#33007)

The error code for revert should be consistent with eth_call and be 3.
---
 internal/ethapi/errors.go   | 1 -
 internal/ethapi/simulate.go | 2 +-
 2 files changed, 1 insertion(+), 2 deletions(-)

diff --git a/internal/ethapi/errors.go b/internal/ethapi/errors.go
index 30711a0167..e406c36d6c 100644
--- a/internal/ethapi/errors.go
+++ b/internal/ethapi/errors.go
@@ -112,7 +112,6 @@ const (
 	errCodeClientLimitExceeded     = -38026
 	errCodeInternalError           = -32603
 	errCodeInvalidParams           = -32602
-	errCodeReverted                = -32000
 	errCodeVMError                 = -32015
 	errCodeTxSyncTimeout           = 4
 )
diff --git a/internal/ethapi/simulate.go b/internal/ethapi/simulate.go
index 3c08061313..c9396cd327 100644
--- a/internal/ethapi/simulate.go
+++ b/internal/ethapi/simulate.go
@@ -310,7 +310,7 @@ func (sim *simulator) processBlock(ctx context.Context, block *simBlock, header,
 			if errors.Is(result.Err, vm.ErrExecutionReverted) {
 				// If the result contains a revert reason, try to unpack it.
 				revertErr := newRevertError(result.Revert())
-				callRes.Error = &callError{Message: revertErr.Error(), Code: errCodeReverted, Data: revertErr.ErrorData().(string)}
+				callRes.Error = &callError{Message: revertErr.Error(), Code: revertErr.ErrorCode(), Data: revertErr.ErrorData().(string)}
 			} else {
 				callRes.Error = &callError{Message: result.Err.Error(), Code: errCodeVMError}
 			}