86 lines
2.9 KiB
Go
86 lines
2.9 KiB
Go
// Copyright 2020 The go-ethereum Authors
|
|
// This file is part of go-ethereum.
|
|
//
|
|
// go-ethereum is free software: you can redistribute it and/or modify
|
|
// it under the terms of the GNU General Public License as published by
|
|
// the Free Software Foundation, either version 3 of the License, or
|
|
// (at your option) any later version.
|
|
//
|
|
// go-ethereum is distributed in the hope that it will be useful,
|
|
// but WITHOUT ANY WARRANTY; without even the implied warranty of
|
|
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
|
|
// GNU General Public License for more details.
|
|
//
|
|
// You should have received a copy of the GNU General Public License
|
|
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
|
|
|
|
package t8ntool
|
|
|
|
import (
|
|
"encoding/json"
|
|
"io"
|
|
"math/big"
|
|
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/core/vm"
|
|
"github.com/ethereum/go-ethereum/eth/tracers"
|
|
"github.com/ethereum/go-ethereum/log"
|
|
)
|
|
|
|
// traceWriter is an vm.EVMLogger which also holds an inner logger/tracer.
|
|
// When the TxEnd event happens, the inner tracer result is written to the file, and
|
|
// the file is closed.
|
|
type traceWriter struct {
|
|
inner vm.EVMLogger
|
|
f io.WriteCloser
|
|
}
|
|
|
|
// Compile-time interface check
|
|
var _ = vm.EVMLogger((*traceWriter)(nil))
|
|
|
|
func (t *traceWriter) CaptureTxEnd(restGas uint64) {
|
|
t.inner.CaptureTxEnd(restGas)
|
|
defer t.f.Close()
|
|
|
|
if tracer, ok := t.inner.(tracers.Tracer); ok {
|
|
result, err := tracer.GetResult()
|
|
if err != nil {
|
|
log.Warn("Error in tracer", "err", err)
|
|
return
|
|
}
|
|
err = json.NewEncoder(t.f).Encode(result)
|
|
if err != nil {
|
|
log.Warn("Error writing tracer output", "err", err)
|
|
return
|
|
}
|
|
}
|
|
}
|
|
|
|
func (t *traceWriter) CaptureTxStart(gasLimit uint64) { t.inner.CaptureTxStart(gasLimit) }
|
|
func (t *traceWriter) CaptureStart(env *vm.EVM, from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) {
|
|
t.inner.CaptureStart(env, from, to, create, input, gas, value)
|
|
}
|
|
|
|
func (t *traceWriter) CaptureEnd(output []byte, gasUsed uint64, err error) {
|
|
t.inner.CaptureEnd(output, gasUsed, err)
|
|
}
|
|
|
|
func (t *traceWriter) CaptureEnter(typ vm.OpCode, from common.Address, to common.Address, input []byte, gas uint64, value *big.Int) {
|
|
t.inner.CaptureEnter(typ, from, to, input, gas, value)
|
|
}
|
|
|
|
func (t *traceWriter) CaptureExit(output []byte, gasUsed uint64, err error) {
|
|
t.inner.CaptureExit(output, gasUsed, err)
|
|
}
|
|
|
|
func (t *traceWriter) CaptureState(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, rData []byte, depth int, err error) {
|
|
t.inner.CaptureState(pc, op, gas, cost, scope, rData, depth, err)
|
|
}
|
|
func (t *traceWriter) CaptureFault(pc uint64, op vm.OpCode, gas, cost uint64, scope *vm.ScopeContext, depth int, err error) {
|
|
t.inner.CaptureFault(pc, op, gas, cost, scope, depth, err)
|
|
}
|
|
|
|
func (t *traceWriter) CaptureSystemTxEnd(intrinsicGas uint64) {
|
|
t.inner.CaptureSystemTxEnd(intrinsicGas)
|
|
}
|