From 80f7c6c2996ad47f70a5070c400b1fd87a20c59c Mon Sep 17 00:00:00 2001
From: Martin Holst Swende <martin@swende.se>
Date: Wed, 7 Jun 2017 17:09:08 +0200
Subject: cmd/evm: add --prestate, --sender, --json flags for fuzzing (#14476)

---
 internal/ethapi/tracer.go | 7 +++++++
 1 file changed, 7 insertions(+)

(limited to 'internal')

diff --git a/internal/ethapi/tracer.go b/internal/ethapi/tracer.go
index d34363564..fc66839ea 100644
--- a/internal/ethapi/tracer.go
+++ b/internal/ethapi/tracer.go
@@ -21,6 +21,7 @@ import (
 	"errors"
 	"fmt"
 	"math/big"
+	"time"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/common/hexutil"
@@ -344,6 +345,12 @@ func (jst *JavascriptTracer) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode,
 	return nil
 }
 
+// CaptureEnd is called after the call finishes
+func (jst *JavascriptTracer) CaptureEnd(output []byte, gasUsed uint64, t time.Duration) error {
+	//TODO! @Arachnid please figure out of there's anything we can use this method for
+	return nil
+}
+
 // GetResult calls the Javascript 'result' function and returns its value, or any accumulated error
 func (jst *JavascriptTracer) GetResult() (result interface{}, err error) {
 	if jst.err != nil {
-- 
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