cerc-io/plugeth
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re: Added contract fees

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This commit is contained in:
obscuren 2014-02-20 23:11:17 +01:00
parent ed05779adb
commit 06ea7fc830
1 changed files with 18 additions and 12 deletions
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30
ethchain/block_manager.go
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@ -336,19 +336,23 @@ out:
op := OpCode(o)
var fee *big.Int = new(big.Int)
var fee2 *big.Int = new(big.Int)
if stepcount > 16 {
fee.Add(fee, StepFee)
}
// Calculate the fees
switch op {
/*
FIXME (testnet requires no funds yet)
case oSSTORE:
fee.Add(fee, StoreFee)
case oSLOAD:
fee.Add(fee, StoreFee)
*/
case oSSTORE:
y, x := bm.stack.Peekn()
val := contract.Addr(ethutil.BigToBytes(x, 256))
if val.IsEmpty() && len(y.Bytes()) > 0 {
fee2.Add(DataFee, StoreFee)
} else {
fee2.Sub(DataFee, StoreFee)
}
case oSLOAD:
fee.Add(fee, StoreFee)
case oEXTRO, oBALANCE:
fee.Add(fee, ExtroFee)
case oSHA256, oRIPEMD160, oECMUL, oECADD, oECSIGN, oECRECOVER, oECVALID:
@ -357,11 +361,12 @@ out:
fee.Add(fee, ContractFee)
}
if contract.Amount.Cmp(fee) < 0 {
tf := new(big.Int).Add(fee, fee2)
if contract.Amount.Cmp(tf) < 0 {
break
}
// Add the fee to the total fee. It's subtracted when we're done looping
totalFee.Add(totalFee, fee)
totalFee.Add(totalFee, tf)
if !cb(0) {
break
@ -608,9 +613,10 @@ out:
case oSSTORE:
// Store Y at index X
y, x := bm.stack.Popn()
idx := ethutil.BigToBytes(x, 256)
fmt.Printf(" => %x (%v) @ %v", y.Bytes(), y, ethutil.BigD(idx))
contract.State().Update(string(idx), string(y.Bytes()))
addr := ethutil.BigToBytes(x, 256)
fmt.Printf(" => %x (%v) @ %v", y.Bytes(), y, ethutil.BigD(addr))
contract.SetAddr(addr, y)
//contract.State().Update(string(idx), string(y))
case oJMP:
x := int(bm.stack.Pop().Uint64())
// Set pc to x - 1 (minus one so the incrementing at the end won't effect it)