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Added CALLSTATELESS

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This commit is contained in:
obscuren 2014-09-10 00:19:20 +02:00
parent d91357d00c
commit 2949990016
2 changed files with 22 additions and 8 deletions
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2
ethchain/state_transition.go
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@ -283,7 +283,7 @@ func (self *StateTransition) Eval(msg *ethstate.Message, script []byte, context
for e := vm.Queue().Front(); e != nil; e = e.Next() {
msg := e.Value.(*ethvm.Message)
msg.Exec(transactor)
msg.Exec(msg.Addr(), transactor)
}
}

28
ethvm/vm.go
View File

@ -201,7 +201,7 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) {
require(4)
newMemSize = stack.data[stack.Len()-1].Uint64() + stack.data[stack.Len()-4].Uint64()
case CALL:
case CALL, CALLSTATELESS:
require(7)
gas.Set(GasCall)
addStepGasUsage(stack.data[stack.Len()-1])
@ -752,7 +752,7 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) {
closure.UseGas(closure.Gas)
msg := NewMessage(self, addr, input, gas, closure.Price, value)
ret, err := msg.Exec(closure)
ret, err := msg.Exec(addr, closure)
if err != nil {
stack.Push(ethutil.BigFalse)
@ -816,7 +816,7 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) {
if self.Dbg != nil {
self.Dbg.SetCode(closure.Code)
}
case CALL:
case CALL, CALLSTATELESS:
require(7)
self.Endl()
@ -834,8 +834,15 @@ func (self *Vm) RunClosure(closure *Closure) (ret []byte, err error) {
snapshot := self.env.State().Copy()
msg := NewMessage(self, addr.Bytes(), args, gas, closure.Price, value)
ret, err := msg.Exec(closure)
var executeAddr []byte
if op == CALLSTATELESS {
executeAddr = closure.Address()
} else {
executeAddr = addr.Bytes()
}
msg := NewMessage(self, executeAddr, args, gas, closure.Price, value)
ret, err := msg.Exec(addr.Bytes(), closure)
if err != nil {
stack.Push(ethutil.BigFalse)
@ -1017,7 +1024,11 @@ func (self *Message) Postpone() {
self.vm.queue.PushBack(self)
}
func (self *Message) Exec(caller ClosureRef) (ret []byte, err error) {
func (self *Message) Addr() []byte {
return self.address
}
func (self *Message) Exec(codeAddr []byte, caller ClosureRef) (ret []byte, err error) {
queue := self.vm.queue
self.vm.queue = list.New()
@ -1049,8 +1060,11 @@ func (self *Message) Exec(caller ClosureRef) (ret []byte, err error) {
caller.Object().SubAmount(self.value)
stateObject.AddAmount(self.value)
// Retrieve the executing code
code := self.vm.env.State().GetCode(codeAddr)
// Create a new callable closure
c := NewClosure(msg, caller, object, object.Code, self.gas, self.price)
c := NewClosure(msg, caller, object, code, self.gas, self.price)
// Executer the closure and get the return value (if any)
ret, _, err = c.Call(self.vm, self.input)