diff options
Diffstat (limited to 'ethchain/vm.go')
| -rw-r--r-- | ethchain/vm.go | 33 |
1 files changed, 28 insertions, 5 deletions
diff --git a/ethchain/vm.go b/ethchain/vm.go index 3d2ee4c86..8b5bb93c0 100644 --- a/ethchain/vm.go +++ b/ethchain/vm.go @@ -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: |