gaspersic/go-ethereum
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This commit is contained in:
obscuren
2014-05-06 17:43:27 +02:00
parent af6875f4b2
commit a0af7de58e
3 changed files with 125 additions and 55 deletions
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30
ethchain/vm.go
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@ -95,6 +95,8 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
ethutil.Config.Log.Debugf("# op\n")
}
fmt.Println(closure.Script)
for {
// The base for all big integer arithmetic
base := new(big.Int)
@ -104,11 +106,9 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
val := closure.Get(pc)
// Get the opcode (it must be an opcode!)
op := OpCode(val.Uint())
/*
if ethutil.Config.Debug {
ethutil.Config.Log.Debugf("%-3d %-4s", pc, op.String())
}
*/
if ethutil.Config.Debug {
ethutil.Config.Log.Debugf("%-3d %-4s", pc, op.String())
}
gas := new(big.Int)
useGas := func(amount *big.Int) {
@ -352,27 +352,17 @@ func (vm *Vm) RunClosure(closure *Closure, hook DebugHook) (ret []byte, err erro
// TODO
stack.Push(big.NewInt(0))
// 0x50 range
case oPUSH: // Push PC+1 on to the stack
// 0x50 range
case oPUSH1, oPUSH2, oPUSH3, oPUSH4, oPUSH5, oPUSH6, oPUSH7, oPUSH8, oPUSH9, oPUSH10, oPUSH11, oPUSH12, oPUSH13, oPUSH14, oPUSH15, oPUSH16, oPUSH17, oPUSH18, oPUSH19, oPUSH20, oPUSH21, oPUSH22, oPUSH23, oPUSH24, oPUSH25, oPUSH26, oPUSH27, oPUSH28, oPUSH29, oPUSH30, oPUSH31, oPUSH32:
a := big.NewInt(int64(op) - int64(oPUSH1) + 1)
pc.Add(pc, ethutil.Big1)
data := closure.Gets(pc, big.NewInt(32))
data := closure.Gets(pc, a)
val := ethutil.BigD(data.Bytes())
// Push value to stack
stack.Push(val)
pc.Add(pc, big.NewInt(31))
pc.Add(pc, a.Sub(a, big.NewInt(1)))
step++
case oPUSH20:
pc.Add(pc, ethutil.Big1)
data := closure.Gets(pc, big.NewInt(20))
val := ethutil.BigD(data.Bytes())
// Push value to stack
stack.Push(val)
pc.Add(pc, big.NewInt(19))
step++
case oPOP:
require(1)
stack.Pop()