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| author | obscuren <geffobscura@gmail.com> | 2015-03-03 18:56:43 +0800 |
|---|---|---|
| committer | obscuren <geffobscura@gmail.com> | 2015-03-03 18:56:43 +0800 |
| commit | ba0a758d8c7c574047d5d4ece9fde0b42a62fc6f (patch) | |
| tree | a78c69f4069f80a3835b44f50478b6505362421d /vm | |
| parent | 49da6a8d809ecc5f5b1f3c5ccea9ebcd45d4e1c3 (diff) | |
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Quad mem & log changes
Diffstat (limited to 'vm')
| -rw-r--r-- | vm/common.go | 7 | ||||
| -rw-r--r-- | vm/vm.go | 18 |
2 files changed, 15 insertions, 10 deletions
diff --git a/vm/common.go b/vm/common.go index 1202966fd..af458e599 100644 --- a/vm/common.go +++ b/vm/common.go @@ -41,13 +41,14 @@ var ( GasStorageGet = big.NewInt(50) GasStorageAdd = big.NewInt(20000) GasStorageMod = big.NewInt(5000) - GasLogBase = big.NewInt(2000) - GasLogTopic = big.NewInt(2000) + GasLogBase = big.NewInt(375) + GasLogTopic = big.NewInt(375) GasLogByte = big.NewInt(8) GasCreate = big.NewInt(32000) GasCreateByte = big.NewInt(300) GasCall = big.NewInt(40) - GasCallValueTransfer = big.NewInt(6700) + GasCallValueTransfer = big.NewInt(9000) + GasStipend = big.NewInt(2300) GasCallNewAccount = big.NewInt(25000) GasReturn = big.NewInt(0) GasStop = big.NewInt(0) @@ -399,7 +399,7 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I stack.Push(ethutil.BigD(data)) - self.Printf(" => %x", data) + self.Printf(" => (%v) %x", size, data) // 0x30 range case ADDRESS: stack.Push(ethutil.BigD(context.Address())) @@ -690,6 +690,10 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I // Get the arguments from the memory args := mem.Get(inOffset.Int64(), inSize.Int64()) + if len(value.Bytes()) > 0 { + gas.Add(gas, GasStipend) + } + var ( ret []byte err error @@ -938,7 +942,7 @@ func (self *Vm) calculateGasAndSize(context *Context, caller ContextRef, op OpCo gas.Add(gas, GasCallNewAccount) } - if len(stack.data[stack.Len()-1].Bytes()) > 0 { + if len(stack.data[stack.Len()-3].Bytes()) > 0 { gas.Add(gas, GasCallValueTransfer) } } @@ -951,7 +955,8 @@ func (self *Vm) calculateGasAndSize(context *Context, caller ContextRef, op OpCo } if newMemSize.Cmp(ethutil.Big0) > 0 { - newMemSize = toWordSize(newMemSize) + newMemSizeWords := toWordSize(newMemSize) + newMemSize.Mul(newMemSizeWords, u256(32)) if newMemSize.Cmp(u256(int64(mem.Len()))) > 0 { //memGasUsage := new(big.Int).Sub(newMemSize, u256(int64(mem.Len()))) @@ -959,20 +964,19 @@ func (self *Vm) calculateGasAndSize(context *Context, caller ContextRef, op OpCo //memGasUsage.Div(memGasUsage, u256(32)) //Old: full_memory_gas_cost = W + floor(W*W / 1024), W = words in memory - pow := new(big.Int).Exp(oldSize, ethutil.Big2, Zero) oldSize := toWordSize(big.NewInt(int64(mem.Len()))) + pow := new(big.Int).Exp(oldSize, ethutil.Big2, Zero) linCoef := new(big.Int).Mul(oldSize, GasMemWord) quadCoef := new(big.Int).Div(pow, GasQuadCoeffDenom) oldTotalFee := new(big.Int).Add(linCoef, quadCoef) - pow.Exp(newMemSize, ethutil.Big2, Zero) - linCoef = new(big.Int).Mul(newMemSize, GasMemWord) + pow.Exp(newMemSizeWords, ethutil.Big2, Zero) + linCoef = new(big.Int).Mul(newMemSizeWords, GasMemWord) quadCoef = new(big.Int).Div(pow, GasQuadCoeffDenom) newTotalFee := new(big.Int).Add(linCoef, quadCoef) gas.Add(gas, new(big.Int).Sub(newTotalFee, oldTotalFee)) } - } return newMemSize, gas |