gaspersic/go-ethereum
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Closure return, arguments fixed. Added proper tests

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This commit is contained in:
obscuren
2014-03-21 14:47:55 +01:00
parent fa1db8d2dc
commit 2ea4c632d1
7 changed files with 92 additions and 60 deletions
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33
ethchain/vm.go
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@@ -40,7 +40,7 @@ var Pow256 = ethutil.BigPow(2, 256)
func (vm *Vm) RunClosure(closure *Closure) []byte {
// If the amount of gas supplied is less equal to 0
if closure.GetGas().Cmp(big.NewInt(0)) <= 0 {
if closure.Gas.Cmp(big.NewInt(0)) <= 0 {
// TODO Do something
}
@@ -73,7 +73,7 @@ func (vm *Vm) RunClosure(closure *Closure) []byte {
fee := new(big.Int)
fee.Add(fee, big.NewInt(1000))
if closure.GetGas().Cmp(fee) < 0 {
if closure.Gas.Cmp(fee) < 0 {
return closure.Return(nil)
}
@@ -192,25 +192,37 @@ func (vm *Vm) RunClosure(closure *Closure) []byte {
// 0x30 range
case oADDRESS:
stack.Push(ethutil.BigD(closure.Object().Address()))
case oBALANCE:
stack.Push(closure.Value)
case oORIGIN:
stack.Push(ethutil.BigD(vm.vars.origin))
case oCALLER:
stack.Push(ethutil.BigD(closure.Callee().Address()))
case oCALLVALUE:
// FIXME: Original value of the call, not the current value
stack.Push(closure.Value)
case oCALLDATA:
offset := stack.Pop()
mem.Set(offset.Int64(), int64(len(closure.Args)), closure.Args)
case oCALLDATASIZE:
case oRETURNDATASIZE:
case oTXGASPRICE:
stack.Push(big.NewInt(int64(len(closure.Args))))
case oGASPRICE:
// TODO
// 0x40 range
case oPREVHASH:
case oPREVNONCE:
stack.Push(ethutil.BigD(vm.vars.prevHash))
case oCOINBASE:
stack.Push(ethutil.BigD(vm.vars.coinbase))
case oTIMESTAMP:
stack.Push(big.NewInt(vm.vars.time))
case oNUMBER:
stack.Push(big.NewInt(int64(vm.vars.blockNumber)))
case oDIFFICULTY:
stack.Push(vm.vars.diff)
case oGASLIMIT:
// TODO
// 0x50 range
case oPUSH: // Push PC+1 on to the stack
@@ -218,8 +230,13 @@ func (vm *Vm) RunClosure(closure *Closure) []byte {
val := closure.GetMem(pc).BigInt()
stack.Push(val)
case oPOP:
stack.Pop()
case oDUP:
stack.Push(stack.Peek())
case oSWAP:
x, y := stack.Popn()
stack.Push(y)
stack.Push(x)
case oMLOAD:
offset := stack.Pop()
stack.Push(ethutil.BigD(mem.Get(offset.Int64(), 32)))
@@ -228,7 +245,13 @@ func (vm *Vm) RunClosure(closure *Closure) []byte {
val, mStart := stack.Popn()
mem.Set(mStart.Int64(), 32, ethutil.BigToBytes(val, 256))
case oMSTORE8:
val, mStart := stack.Popn()
base.And(val, new(big.Int).SetInt64(0xff))
mem.Set(mStart.Int64(), 32, ethutil.BigToBytes(base, 256))
case oSLOAD:
loc := stack.Pop()
val := closure.GetMem(loc.Int64())
stack.Push(val.BigInt())
case oSSTORE:
case oJUMP:
case oJUMPI: