From 7d351600b6f345ab90aaa0bf0abbce721cd1c682 Mon Sep 17 00:00:00 2001
From: jsvisa <delweng@gmail.com>
Date: Thu, 22 Aug 2024 15:19:39 +0000
Subject: [PATCH] fix call flat receipt

Signed-off-by: jsvisa <delweng@gmail.com>
---
 eth/tracers/native/call_flat.go | 15 +++++++++------
 1 file changed, 9 insertions(+), 6 deletions(-)

diff --git a/eth/tracers/native/call_flat.go b/eth/tracers/native/call_flat.go
index 9d7d2d96c8..43860f0af5 100644
--- a/eth/tracers/native/call_flat.go
+++ b/eth/tracers/native/call_flat.go
@@ -211,15 +211,18 @@ func (t *flatCallTracer) OnTxStart(env *tracing.VMContext, tx *types.Transaction
 }
 
 func (t *flatCallTracer) OnTxEnd(receipt *types.Receipt, err error) {
-	t.ctx = &tracers.Context{
-		BlockHash:   receipt.BlockHash,
-		BlockNumber: receipt.BlockNumber,
-		TxIndex:     int(receipt.TransactionIndex),
-		TxHash:      receipt.TxHash,
-	}
 	if t.interrupt.Load() {
 		return
 	}
+	// Set the context for the tracer only if receipt is available and no error occured
+	if err == nil && receipt != nil {
+		t.ctx = &tracers.Context{
+			BlockHash:   receipt.BlockHash,
+			BlockNumber: receipt.BlockNumber,
+			TxIndex:     int(receipt.TransactionIndex),
+			TxHash:      receipt.TxHash,
+		}
+	}
 	t.tracer.OnTxEnd(receipt, err)
 }