From 5258785c81959109138ebeca613f12c277188abc Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?P=C3=A9ter=20Szil=C3=A1gyi?= <peterke@gmail.com>
Date: Thu, 21 Dec 2017 13:56:11 +0200
Subject: cmd, core, eth/tracers: support fancier js tracing (#15516)

* cmd, core, eth/tracers: support fancier js tracing

* eth, internal/web3ext: rework trace API, concurrency, chain tracing

* eth/tracers: add three more JavaScript tracers

* eth/tracers, vendor: swap ottovm to duktape for tracing

* core, eth, internal: finalize call tracer and needed extras

* eth, tests: prestate tracer, call test suite, rewinding

* vendor: fix windows builds for tracer js engine

* vendor: temporary duktape fix

* eth/tracers: fix up 4byte and evmdis tracer

* vendor: pull in latest duktape with my upstream fixes

* eth: fix some review comments

* eth: rename rewind to reexec to make it more obvious

* core/vm: terminate tracing using defers
---
 cmd/evm/json_logger.go | 10 ++++++++++
 1 file changed, 10 insertions(+)

(limited to 'cmd/evm')

diff --git a/cmd/evm/json_logger.go b/cmd/evm/json_logger.go
index eb7b0c466..47daf7dbb 100644
--- a/cmd/evm/json_logger.go
+++ b/cmd/evm/json_logger.go
@@ -19,6 +19,7 @@ package main
 import (
 	"encoding/json"
 	"io"
+	"math/big"
 	"time"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -35,6 +36,10 @@ func NewJSONLogger(cfg *vm.LogConfig, writer io.Writer) *JSONLogger {
 	return &JSONLogger{json.NewEncoder(writer), cfg}
 }
 
+func (l *JSONLogger) CaptureStart(from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) error {
+	return nil
+}
+
 // CaptureState outputs state information on the logger.
 func (l *JSONLogger) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost uint64, memory *vm.Memory, stack *vm.Stack, contract *vm.Contract, depth int, err error) error {
 	log := vm.StructLog{
@@ -56,6 +61,11 @@ func (l *JSONLogger) CaptureState(env *vm.EVM, pc uint64, op vm.OpCode, gas, cos
 	return l.encoder.Encode(log)
 }
 
+// CaptureFault outputs state information on the logger.
+func (l *JSONLogger) CaptureFault(env *vm.EVM, pc uint64, op vm.OpCode, gas, cost uint64, memory *vm.Memory, stack *vm.Stack, contract *vm.Contract, depth int, err error) error {
+	return nil
+}
+
 // CaptureEnd is triggered at end of execution.
 func (l *JSONLogger) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) error {
 	type endLog struct {
-- 
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