tracers

package
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Published: Jan 5, 2019 License: GPL-3.0 Imports: 16 Imported by: 0

Documentation

Overview

Copyright 2017 The CMBToken Authors This file is part of the cmbtoken library.

The cmbtoken library is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.

The go-ethereum library 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 Lesser General Public License for more details.

You should have received a copy of the GNU Lesser General Public License along with the cmbtoken library. If not, see <http://www.gnu.org/licenses/>.

Package tracers is a collection of JavaScript transaction tracers.

Index

Constants

This section is empty.

Variables

This section is empty.

Functions

This section is empty.

Types

type Tracer

type Tracer struct {
	// contains filtered or unexported fields
}

Tracer provides an implementation of Tracer that evaluates a Javascript function for each VM execution step.

func New

func New(code string) (*Tracer, error)

New instantiates a new tracer instance. code specifies a Javascript snippet, which must evaluate to an expression returning an object with 'step', 'fault' and 'result' functions.

func (*Tracer) CaptureEnd

func (jst *Tracer) CaptureEnd(output []byte, gasUsed uint64, t time.Duration, err error) error

CaptureEnd is called after the call finishes to finalize the tracing.

func (*Tracer) CaptureFault

func (jst *Tracer) 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

CaptureFault implements the Tracer interface to trace an execution fault while running an opcode.

func (*Tracer) CaptureStart

func (jst *Tracer) CaptureStart(from common.Address, to common.Address, create bool, input []byte, gas uint64, value *big.Int) error

CaptureStart implements the Tracer interface to initialize the tracing operation.

func (*Tracer) CaptureState

func (jst *Tracer) 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

CaptureState implements the Tracer interface to trace a single step of VM execution.

func (*Tracer) GetResult

func (jst *Tracer) GetResult() (json.RawMessage, error)

GetResult calls the Javascript 'result' function and returns its value, or any accumulated error

func (*Tracer) Stop

func (jst *Tracer) Stop(err error)

Stop terminates execution of the tracer at the first opportune moment.

Directories

Path Synopsis
internal
tracers
Package tracers contains the actual JavaScript tracer assets.
Package tracers contains the actual JavaScript tracer assets.

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