Version: v1.7.0 Latest Latest

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Published: Oct 19, 2021 License: GPL-3.0 Imports: 11 Imported by: 0



Package runtime provides a basic execution model for executing EVM code.

Source files

Each file provides the following features

- env.go     : Implements a function creating the runtime EVM with environment configuration.
- runtime.go : Defines runtime configuration structure and implements functions used by the runtime EVM.




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func Call

func Call(address common.Address, input []byte, cfg *Config) ([]byte, uint64, error)

Call executes the code given by the contract's address. It will return the EVM's return value or an error if it failed.

Call, unlike Execute, requires a config and also requires the State field to be set.

func Create

func Create(input []byte, cfg *Config) ([]byte, common.Address, uint64, error)

Create executes the code using the EVM create method

func Execute

func Execute(code, input []byte, cfg *Config) ([]byte, *state.StateDB, error)

Execute executes the code using the input as call data during the execution. It returns the EVM's return value, the new state and an error if it failed.

Executes sets up a in memory, temporarily, environment for the execution of the given code. It makes sure that it's restored to it's original state afterwards.

package main

import (


func main() {
	ret, _, err := runtime.Execute(common.Hex2Bytes("6060604052600a8060106000396000f360606040526008565b00"), nil, nil)
	if err != nil {

[96 96 96 64 82 96 8 86 91 0]

func NewEnv

func NewEnv(cfg *Config) *vm.EVM


type Config

type Config struct {
	ChainConfig *params.ChainConfig
	BlockScore  *big.Int
	Origin      common.Address
	Coinbase    common.Address
	BlockNumber *big.Int
	Time        *big.Int
	GasLimit    uint64
	GasPrice    *big.Int
	Value       *big.Int
	Debug       bool
	EVMConfig   vm.Config

	State     *state.StateDB
	GetHashFn func(n uint64) common.Hash

Config is a basic type specifying certain configuration flags for running the EVM.

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