More opcodes

This commit is contained in:
obscuren 2014-01-19 01:02:22 +01:00
parent 489576b6f0
commit b608a80ef1

View File

@ -524,7 +524,16 @@ out:
case oIND:
bm.stack.Push(big.NewInt(int64(pc)))
case oEXTRO:
memAddr := bm.stack.Pop()
contractAddr := bm.stack.Pop().Bytes()
// Push the contract's memory on to the stack
bm.stack.Push(getContractMemory(block, contractAddr, memAddr))
case oBALANCE:
// Pushes the balance of the popped value on to the stack
d := block.State().Get(bm.stack.Pop().String())
ether := ethutil.NewEtherFromData([]byte(d))
bm.stack.Push(ether.Amount)
case oMKTX:
case oSUICIDE:
}
@ -533,3 +542,20 @@ out:
bm.stack.Print()
}
// Returns an address from the specified contract's address
func getContractMemory(block *ethutil.Block, contractAddr []byte, memAddr *big.Int) *big.Int {
contract := block.GetContract(contractAddr)
if contract == nil {
log.Panicf("invalid contract addr %x", contractAddr)
}
val := contract.State().Get(memAddr.String())
// decode the object as a big integer
decoder := ethutil.NewRlpDecoder([]byte(val))
if decoder.IsNil() {
return ethutil.BigFalse
}
return decoder.AsBigInt()
}