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| author | obscuren <geffobscura@gmail.com> | 2015-03-03 20:29:52 +0800 |
|---|---|---|
| committer | obscuren <geffobscura@gmail.com> | 2015-03-03 20:29:52 +0800 |
| commit | fa831206c617b398c3b74a1b6589893cd9dde6bd (patch) | |
| tree | c975ff97f4af816e3c768a57d5a9c538abe4eabb /vm | |
| parent | ffa6b99ab638af7bb6753b663612bad48019c334 (diff) | |
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Updated gast costs
Diffstat (limited to 'vm')
| -rw-r--r-- | vm/common.go | 7 | ||||
| -rw-r--r-- | vm/vm.go | 16 |
2 files changed, 9 insertions, 14 deletions
diff --git a/vm/common.go b/vm/common.go index af458e599..919153335 100644 --- a/vm/common.go +++ b/vm/common.go @@ -45,7 +45,7 @@ var ( GasLogTopic = big.NewInt(375) GasLogByte = big.NewInt(8) GasCreate = big.NewInt(32000) - GasCreateByte = big.NewInt(300) + GasCreateByte = big.NewInt(200) GasCall = big.NewInt(40) GasCallValueTransfer = big.NewInt(9000) GasStipend = big.NewInt(2300) @@ -61,8 +61,9 @@ var ( GasQuadCoeffDenom = big.NewInt(512) GasContractByte = big.NewInt(200) GasTransaction = big.NewInt(21000) - GasTxDataNonzeroByte = big.NewInt(37) - GasTxZeroByte = big.NewInt(2) + GasTxDataNonzeroByte = big.NewInt(68) + GasTxDataZeroByte = big.NewInt(4) + GasTx = big.NewInt(21000) GasExp = big.NewInt(10) GasExpByte = big.NewInt(10) @@ -931,9 +931,9 @@ func (self *Vm) calculateGasAndSize(context *Context, caller ContextRef, op OpCo words := toWordSize(stack.data[stack.Len()-4]) gas.Add(gas, words.Mul(words, GasCopyWord)) + case CREATE: - size := new(big.Int).Set(stack.data[stack.Len()-2]) - gas.Add(gas, size.Mul(size, GasCreateByte)) + newMemSize = calcMemSize(stack.data[stack.Len()-2], stack.data[stack.Len()-3]) case CALL, CALLCODE: gas.Add(gas, stack.data[stack.Len()-1]) @@ -941,17 +941,16 @@ func (self *Vm) calculateGasAndSize(context *Context, caller ContextRef, op OpCo if self.env.State().GetStateObject(stack.data[stack.Len()-2].Bytes()) == nil { gas.Add(gas, GasCallNewAccount) } + } - if len(stack.data[stack.Len()-3].Bytes()) > 0 { - gas.Add(gas, GasCallValueTransfer) - } + if len(stack.data[stack.Len()-3].Bytes()) > 0 { + gas.Add(gas, GasCallValueTransfer) } x := calcMemSize(stack.data[stack.Len()-6], stack.data[stack.Len()-7]) y := calcMemSize(stack.data[stack.Len()-4], stack.data[stack.Len()-5]) newMemSize = ethutil.BigMax(x, y) - newMemSize = calcMemSize(stack.data[stack.Len()-2], stack.data[stack.Len()-3]) } if newMemSize.Cmp(ethutil.Big0) > 0 { @@ -959,11 +958,6 @@ func (self *Vm) calculateGasAndSize(context *Context, caller ContextRef, op OpCo newMemSize.Mul(newMemSizeWords, u256(32)) if newMemSize.Cmp(u256(int64(mem.Len()))) > 0 { - //memGasUsage := new(big.Int).Sub(newMemSize, u256(int64(mem.Len()))) - //memGasUsage.Mul(GasMemWord, memGasUsage) - //memGasUsage.Div(memGasUsage, u256(32)) - - //Old: full_memory_gas_cost = W + floor(W*W / 1024), W = words in memory oldSize := toWordSize(big.NewInt(int64(mem.Len()))) pow := new(big.Int).Exp(oldSize, ethutil.Big2, Zero) linCoef := new(big.Int).Mul(oldSize, GasMemWord) |