mirror of https://github.com/ethereum/go-ethereum
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
67 lines
2.1 KiB
67 lines
2.1 KiB
package helper
|
|
|
|
import (
|
|
"math/big"
|
|
|
|
"github.com/ethereum/go-ethereum/ethstate"
|
|
"github.com/ethereum/go-ethereum/ethutil"
|
|
"github.com/ethereum/go-ethereum/vm"
|
|
)
|
|
|
|
type Env struct {
|
|
state *ethstate.State
|
|
|
|
origin []byte
|
|
parent []byte
|
|
coinbase []byte
|
|
|
|
number *big.Int
|
|
time int64
|
|
difficulty *big.Int
|
|
gasLimit *big.Int
|
|
}
|
|
|
|
func NewEnv(state *ethstate.State) *Env {
|
|
return &Env{
|
|
state: state,
|
|
}
|
|
}
|
|
|
|
func NewEnvFromMap(state *ethstate.State, envValues map[string]string, exeValues map[string]string) *Env {
|
|
env := NewEnv(state)
|
|
|
|
env.origin = ethutil.Hex2Bytes(exeValues["caller"])
|
|
env.parent = ethutil.Hex2Bytes(envValues["previousHash"])
|
|
env.coinbase = ethutil.Hex2Bytes(envValues["currentCoinbase"])
|
|
env.number = ethutil.Big(envValues["currentNumber"])
|
|
env.time = ethutil.Big(envValues["currentTimestamp"]).Int64()
|
|
env.difficulty = ethutil.Big(envValues["currentDifficulty"])
|
|
env.gasLimit = ethutil.Big(envValues["currentGasLimit"])
|
|
|
|
return env
|
|
}
|
|
|
|
func (self *Env) Origin() []byte { return self.origin }
|
|
func (self *Env) BlockNumber() *big.Int { return self.number }
|
|
func (self *Env) PrevHash() []byte { return self.parent }
|
|
func (self *Env) Coinbase() []byte { return self.coinbase }
|
|
func (self *Env) Time() int64 { return self.time }
|
|
func (self *Env) Difficulty() *big.Int { return self.difficulty }
|
|
func (self *Env) BlockHash() []byte { return nil }
|
|
func (self *Env) State() *ethstate.State { return self.state }
|
|
func (self *Env) GasLimit() *big.Int { return self.gasLimit }
|
|
func (self *Env) Transfer(from, to vm.Account, amount *big.Int) error {
|
|
return vm.Transfer(from, to, amount)
|
|
}
|
|
|
|
func RunVm(state *ethstate.State, env, exec map[string]string) ([]byte, *big.Int, error) {
|
|
address := FromHex(exec["address"])
|
|
caller := state.GetOrNewStateObject(FromHex(exec["caller"]))
|
|
|
|
evm := vm.New(NewEnvFromMap(state, env, exec), vm.DebugVmTy)
|
|
execution := vm.NewExecution(evm, address, FromHex(exec["data"]), ethutil.Big(exec["gas"]), ethutil.Big(exec["gasPrice"]), ethutil.Big(exec["value"]))
|
|
execution.SkipTransfer = true
|
|
ret, err := execution.Exec(address, caller)
|
|
|
|
return ret, execution.Gas, err
|
|
}
|
|
|