From 67b7bcc3799b6cfd0694bed93723d270360609b5 Mon Sep 17 00:00:00 2001
From: Jeremy Wei <jeremy.t.wei@gmail.com>
Date: Thu, 13 Jun 2024 21:49:02 -0400
Subject: [PATCH] Ignore insufficient funds errors on tracing (#31)

* Ignore insufficient funds errors on tracing

* fix

* do error contains
---
 eth/tracers/api.go | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/eth/tracers/api.go b/eth/tracers/api.go
index 0fb6501399..929f41cb0a 100644
--- a/eth/tracers/api.go
+++ b/eth/tracers/api.go
@@ -25,6 +25,7 @@ import (
 	"math/big"
 	"os"
 	"runtime"
+	"strings"
 	"sync"
 	"time"
 
@@ -990,6 +991,10 @@ func (api *API) traceTx(ctx context.Context, tx *types.Transaction, message *cor
 	statedb.SetTxContext(txctx.TxHash, txctx.TxIndex)
 	_, err = core.ApplyTransactionWithEVM(message, api.backend.ChainConfig(), new(core.GasPool).AddGas(message.GasLimit), statedb, vmctx.BlockNumber, txctx.BlockHash, tx, &usedGas, vmenv)
 	if err != nil {
+		// Due to how our mempool works, a transaction with insufficient funds can be included in a block. For tracing purposes, we should ignore this.
+		if strings.Contains(err.Error(), core.ErrInsufficientFunds.Error()) {
+			return json.RawMessage(`{}`), nil
+		}
 		return nil, fmt.Errorf("tracing failed: %w", err)
 	}
 	return tracer.GetResult()