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Implemented LOG. Closes #159

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obscuren
2014-10-27 11:44:16 +01:00
parent 6623500c6b
commit 272d58662c
15 changed files with 81 additions and 11 deletions
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33
vm/vm_debug.go
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@ -141,7 +141,7 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
// Stack Check, memory resize & gas phase
switch op {
// Stack checks only
case NOT, CALLDATALOAD, POP, JUMP, NEG: // 1
case NOT, CALLDATALOAD, POP, JUMP, BNOT: // 1
require(1)
case ADD, SUB, DIV, SDIV, MOD, SMOD, EXP, LT, GT, SLT, SGT, EQ, AND, OR, XOR, BYTE: // 2
require(2)
@ -153,6 +153,14 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
case DUP1, DUP2, DUP3, DUP4, DUP5, DUP6, DUP7, DUP8, DUP9, DUP10, DUP11, DUP12, DUP13, DUP14, DUP15, DUP16:
n := int(op - DUP1 + 1)
require(n)
case LOG0, LOG1, LOG2, LOG3, LOG4:
n := int(op - LOG0)
require(n + 2)
mSize, mStart := stack.Peekn()
gas.Set(GasLog)
addStepGasUsage(new(big.Int).Mul(big.NewInt(int64(n)), GasLog))
addStepGasUsage(new(big.Int).Add(mSize, mStart))
// Gas only
case STOP:
gas.Set(ethutil.Big0)
@ -168,13 +176,16 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
y, x := stack.Peekn()
val := closure.GetStorage(x)
if val.BigInt().Cmp(ethutil.Big0) == 0 && len(y.Bytes()) > 0 {
mult = ethutil.Big2
// 0 => non 0
mult = ethutil.Big3
} else if val.BigInt().Cmp(ethutil.Big0) != 0 && len(y.Bytes()) == 0 {
//state.AddBalance(closure.caller.Address(), new(big.Int).Mul(big.NewInt(100), closure.Price))
mult = ethutil.Big0
} else {
// non 0 => non 0
mult = ethutil.Big1
}
gas = new(big.Int).Mul(mult, GasSStore)
gas.Set(new(big.Int).Mul(mult, GasSStore))
case BALANCE:
require(1)
gas.Set(GasBalance)
@ -375,10 +386,11 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
self.Printf(" = %v", base)
stack.Push(base)
case NEG:
base.Sub(Pow256, stack.Pop())
case BNOT:
base.Sub(Pow256, stack.Pop()).Sub(base, ethutil.Big1)
base = U256(base)
// Not needed
//base = U256(base)
stack.Push(base)
case LT:
@ -685,6 +697,15 @@ func (self *DebugVm) RunClosure(closure *Closure) (ret []byte, err error) {
x, y := stack.Swapn(n)
self.Printf(" => [%d] %x [0] %x", n, x.Bytes(), y.Bytes())
case LOG0, LOG1, LOG2, LOG3, LOG4:
n := int(op - LOG0)
topics := make([]*big.Int, n)
mSize, mStart := stack.Pop().Int64(), stack.Pop().Int64()
data := mem.Geti(mStart, mSize)
for i := 0; i < n; i++ {
topics[i] = stack.Pop()
}
self.env.AddLog(Log{closure.Address(), topics, data})
case MLOAD:
offset := stack.Pop()
val := ethutil.BigD(mem.Get(offset.Int64(), 32))