83663ed4b0
* Renamed a couple more chain => core * Updated VM `pc` to be uint64 rather than big int * XEth interface cleanup
131 lines
4.0 KiB
Go
131 lines
4.0 KiB
Go
package helper
|
|
|
|
import (
|
|
"math/big"
|
|
|
|
"github.com/ethereum/go-ethereum/core"
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
"github.com/ethereum/go-ethereum/ethutil"
|
|
"github.com/ethereum/go-ethereum/state"
|
|
"github.com/ethereum/go-ethereum/vm"
|
|
)
|
|
|
|
type Env struct {
|
|
depth int
|
|
state *state.State
|
|
skipTransfer bool
|
|
Gas *big.Int
|
|
|
|
origin []byte
|
|
parent []byte
|
|
coinbase []byte
|
|
|
|
number *big.Int
|
|
time int64
|
|
difficulty *big.Int
|
|
gasLimit *big.Int
|
|
|
|
logs state.Logs
|
|
}
|
|
|
|
func NewEnv(state *state.State) *Env {
|
|
return &Env{
|
|
state: state,
|
|
}
|
|
}
|
|
|
|
func NewEnvFromMap(state *state.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() *state.State { return self.state }
|
|
func (self *Env) GasLimit() *big.Int { return self.gasLimit }
|
|
func (self *Env) AddLog(log *state.Log) {
|
|
self.logs = append(self.logs, log)
|
|
}
|
|
func (self *Env) Depth() int { return self.depth }
|
|
func (self *Env) SetDepth(i int) { self.depth = i }
|
|
func (self *Env) Transfer(from, to vm.Account, amount *big.Int) error {
|
|
return vm.Transfer(from, to, amount)
|
|
}
|
|
|
|
func (self *Env) vm(addr, data []byte, gas, price, value *big.Int) *core.Execution {
|
|
evm := vm.New(self, vm.DebugVmTy)
|
|
exec := core.NewExecution(evm, addr, data, gas, price, value)
|
|
exec.SkipTransfer = self.skipTransfer
|
|
|
|
return exec
|
|
}
|
|
|
|
func (self *Env) Call(caller vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) {
|
|
exe := self.vm(addr, data, gas, price, value)
|
|
ret, err := exe.Call(addr, caller)
|
|
self.Gas = exe.Gas
|
|
|
|
return ret, err
|
|
}
|
|
func (self *Env) CallCode(caller vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) {
|
|
exe := self.vm(caller.Address(), data, gas, price, value)
|
|
return exe.Call(addr, caller)
|
|
}
|
|
|
|
func (self *Env) Create(caller vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ClosureRef) {
|
|
exe := self.vm(addr, data, gas, price, value)
|
|
return exe.Create(caller)
|
|
}
|
|
|
|
func RunVm(state *state.State, env, exec map[string]string) ([]byte, state.Logs, *big.Int, error) {
|
|
var (
|
|
to = FromHex(exec["address"])
|
|
from = FromHex(exec["caller"])
|
|
data = FromHex(exec["data"])
|
|
gas = ethutil.Big(exec["gas"])
|
|
price = ethutil.Big(exec["gasPrice"])
|
|
value = ethutil.Big(exec["value"])
|
|
)
|
|
|
|
caller := state.GetOrNewStateObject(from)
|
|
|
|
vmenv := NewEnvFromMap(state, env, exec)
|
|
vmenv.skipTransfer = true
|
|
ret, err := vmenv.Call(caller, to, data, gas, price, value)
|
|
|
|
return ret, vmenv.logs, vmenv.Gas, err
|
|
}
|
|
|
|
func RunState(state *state.State, env, tx map[string]string) ([]byte, state.Logs, *big.Int, error) {
|
|
var (
|
|
keyPair, _ = crypto.NewKeyPairFromSec([]byte(ethutil.Hex2Bytes(tx["secretKey"])))
|
|
to = FromHex(tx["to"])
|
|
data = FromHex(tx["data"])
|
|
gas = ethutil.Big(tx["gasLimit"])
|
|
price = ethutil.Big(tx["gasPrice"])
|
|
value = ethutil.Big(tx["value"])
|
|
)
|
|
|
|
caller := state.GetOrNewStateObject(keyPair.Address())
|
|
|
|
vmenv := NewEnvFromMap(state, env, tx)
|
|
vmenv.origin = caller.Address()
|
|
ret, err := vmenv.Call(caller, to, data, gas, price, value)
|
|
|
|
return ret, vmenv.logs, vmenv.Gas, err
|
|
}
|