Ejemplo n.º 1
0
func (self *StateTransition) Eval(msg *ethstate.Message, script []byte, context *ethstate.StateObject, typ string) (ret []byte, err error) {
	var (
		transactor    = self.Sender()
		state         = self.state
		env           = NewEnv(state, self.tx, self.block)
		callerClosure = ethvm.NewClosure(msg, transactor, context, script, self.gas, self.gasPrice)
	)

	vm := ethvm.New(env)
	vm.Verbose = true
	vm.Fn = typ

	ret, _, err = callerClosure.Call(vm, self.tx.Data)

	return
}
Ejemplo n.º 2
0
func (self *Pipe) ExecuteObject(object *Object, data []byte, value, gas, price *ethutil.Value) ([]byte, error) {
	var (
		initiator   = ethstate.NewStateObject([]byte{0})
		block       = self.blockChain.CurrentBlock
		stateObject = object.StateObject
	)
	if self.Vm.State == nil {
		self.Vm.State = self.World().State().Copy()
	}

	vm := ethvm.New(NewEnv(self.Vm.State, block, value.BigInt(), initiator.Address()))

	closure := ethvm.NewClosure(&ethstate.Message{}, initiator, stateObject, object.Code, gas.BigInt(), price.BigInt())
	ret, _, err := closure.Call(vm, data)

	return ret, err
}
Ejemplo n.º 3
0
func (self *DebuggerWindow) Debug(valueStr, gasStr, gasPriceStr, scriptStr, dataStr string) {
	if !self.Db.done {
		self.Db.Q <- true
	}

	defer func() {
		if r := recover(); r != nil {
			self.Logf("compile FAULT: %v", r)
		}
	}()

	data := ethutil.StringToByteFunc(dataStr, func(s string) (ret []byte) {
		slice := strings.Split(dataStr, "\n")
		for _, dataItem := range slice {
			d := ethutil.FormatData(dataItem)
			ret = append(ret, d...)
		}
		return
	})

	var err error
	script := ethutil.StringToByteFunc(scriptStr, func(s string) (ret []byte) {
		ret, err = ethutil.Compile(s, false)
		return
	})

	if err != nil {
		self.Logln(err)

		return
	}

	var (
		gas      = ethutil.Big(gasStr)
		gasPrice = ethutil.Big(gasPriceStr)
		value    = ethutil.Big(valueStr)
		// Contract addr as test address
		keyPair = self.lib.eth.KeyManager().KeyPair()
	)

	state := self.lib.eth.StateManager().TransState()
	account := self.lib.eth.StateManager().TransState().GetAccount(keyPair.Address())
	contract := ethstate.NewStateObject([]byte{0})
	contract.Amount = value

	self.SetAsm(script)

	callerClosure := ethvm.NewClosure(account, contract, script, gas, gasPrice)

	block := self.lib.eth.BlockChain().CurrentBlock

	/*
		vm := ethchain.NewVm(state, self.lib.eth.StateManager(), ethchain.RuntimeVars{
			Block:       block,
			Origin:      account.Address(),
			BlockNumber: block.Number,
			PrevHash:    block.PrevHash,
			Coinbase:    block.Coinbase,
			Time:        block.Time,
			Diff:        block.Difficulty,
			Value:       ethutil.Big(valueStr),
		})
	*/
	env := utils.NewEnv(state, block, account.Address(), value)
	vm := ethvm.New(env)
	vm.Verbose = true
	vm.Dbg = self.Db

	self.vm = vm
	self.Db.done = false
	self.Logf("callsize %d", len(script))
	go func() {
		ret, g, err := callerClosure.Call(vm, data)
		tot := new(big.Int).Mul(g, gasPrice)
		self.Logf("gas usage %v total price = %v (%v)", g, tot, ethutil.CurrencyToString(tot))
		if err != nil {
			self.Logln("exited with errors:", err)
		} else {
			if len(ret) > 0 {
				self.Logf("exited: % x", ret)
			} else {
				self.Logf("exited: nil")
			}
		}

		state.Reset()

		if !self.Db.interrupt {
			self.Db.done = true
		} else {
			self.Db.interrupt = false
		}
	}()
}
Ejemplo n.º 4
0
func (self *DebuggerWindow) Debug(valueStr, gasStr, gasPriceStr, scriptStr, dataStr string) {
	if !self.Db.done {
		self.Db.Q <- true
	}

	defer func() {
		if r := recover(); r != nil {
			self.Logf("compile FAULT: %v", r)
		}
	}()

	data := utils.FormatTransactionData(dataStr)

	var err error
	script := ethutil.StringToByteFunc(scriptStr, func(s string) (ret []byte) {
		ret, err = ethutil.Compile(s, false)
		return
	})

	if err != nil {
		self.Logln(err)

		return
	}

	var (
		gas      = ethutil.Big(gasStr)
		gasPrice = ethutil.Big(gasPriceStr)
		value    = ethutil.Big(valueStr)
		// Contract addr as test address
		keyPair = self.lib.eth.KeyManager().KeyPair()
	)

	state := self.lib.eth.StateManager().TransState()
	account := self.lib.eth.StateManager().TransState().GetAccount(keyPair.Address())
	contract := ethstate.NewStateObject([]byte{0})
	contract.Balance = value

	self.SetAsm(script)

	block := self.lib.eth.BlockChain().CurrentBlock

	callerClosure := ethvm.NewClosure(&ethstate.Message{}, account, contract, script, gas, gasPrice)
	env := utils.NewEnv(state, block, account.Address(), value)
	vm := ethvm.New(env)
	vm.Verbose = true
	vm.Dbg = self.Db

	self.vm = vm
	self.Db.done = false
	self.Logf("callsize %d", len(script))
	go func() {
		ret, g, err := callerClosure.Call(vm, data)
		tot := new(big.Int).Mul(g, gasPrice)
		self.Logf("gas usage %v total price = %v (%v)", g, tot, ethutil.CurrencyToString(tot))
		if err != nil {
			self.Logln("exited with errors:", err)
		} else {
			if len(ret) > 0 {
				self.Logf("exited: % x", ret)
			} else {
				self.Logf("exited: nil")
			}
		}

		state.Reset()

		if !self.Db.interrupt {
			self.Db.done = true
		} else {
			self.Db.interrupt = false
		}
	}()
}