diff options
-rw-r--r-- | core/execution.go | 16 | ||||
-rw-r--r-- | vm/address.go | 18 | ||||
-rw-r--r-- | vm/common.go | 7 | ||||
-rw-r--r-- | vm/vm_debug.go | 14 |
4 files changed, 40 insertions, 15 deletions
diff --git a/core/execution.go b/core/execution.go index 9f9d9a5d9..5176f7351 100644 --- a/core/execution.go +++ b/core/execution.go @@ -34,8 +34,14 @@ func (self *Execution) Call(codeAddr []byte, caller vm.ClosureRef) ([]byte, erro func (self *Execution) exec(code, caddr []byte, caller vm.ClosureRef) (ret []byte, err error) { env := self.vm.Env() - chainlogger.Debugf("pre state %x\n", env.State().Root()) + + from, to := env.State().GetStateObject(caller.Address()), env.State().GetOrNewStateObject(self.address) + // Skipping transfer is used on testing for the initial call + if !self.SkipTransfer { + err = env.Transfer(from, to, self.value) + } + snapshot := env.State().Copy() defer func() { if vm.IsDepthErr(err) || vm.IsOOGErr(err) { @@ -44,12 +50,6 @@ func (self *Execution) exec(code, caddr []byte, caller vm.ClosureRef) (ret []byt chainlogger.Debugf("post state %x\n", env.State().Root()) }() - from, to := env.State().GetStateObject(caller.Address()), env.State().GetOrNewStateObject(self.address) - // Skipping transfer is used on testing for the initial call - if !self.SkipTransfer { - err = env.Transfer(from, to, self.value) - } - if err != nil { caller.ReturnGas(self.Gas, self.price) @@ -59,7 +59,7 @@ func (self *Execution) exec(code, caddr []byte, caller vm.ClosureRef) (ret []byt // Pre-compiled contracts (address.go) 1, 2 & 3. naddr := ethutil.BigD(caddr).Uint64() if p := vm.Precompiled[naddr]; p != nil { - if self.Gas.Cmp(p.Gas) >= 0 { + if self.Gas.Cmp(p.Gas(len(self.input))) >= 0 { ret = p.Call(self.input) self.vm.Printf("NATIVE_FUNC(%x) => %x", naddr, ret) self.vm.Endl() diff --git a/vm/address.go b/vm/address.go index 06bd35f6b..be8921a3b 100644 --- a/vm/address.go +++ b/vm/address.go @@ -12,7 +12,7 @@ type Address interface { } type PrecompiledAddress struct { - Gas *big.Int + Gas func(l int) *big.Int fn func(in []byte) []byte } @@ -21,9 +21,19 @@ func (self PrecompiledAddress) Call(in []byte) []byte { } var Precompiled = map[uint64]*PrecompiledAddress{ - 1: &PrecompiledAddress{big.NewInt(500), ecrecoverFunc}, - 2: &PrecompiledAddress{big.NewInt(100), sha256Func}, - 3: &PrecompiledAddress{big.NewInt(100), ripemd160Func}, + 1: &PrecompiledAddress{func(l int) *big.Int { + return GasEcrecover + }, ecrecoverFunc}, + 2: &PrecompiledAddress{func(l int) *big.Int { + n := big.NewInt(int64(l+31)/32 + 1) + n.Mul(n, GasSha256) + return n + }, sha256Func}, + 3: &PrecompiledAddress{func(l int) *big.Int { + n := big.NewInt(int64(l+31)/32 + 1) + n.Mul(n, GasRipemd) + return n + }, ripemd160Func}, } func sha256Func(in []byte) []byte { diff --git a/vm/common.go b/vm/common.go index 9514ff6d3..5fd512687 100644 --- a/vm/common.go +++ b/vm/common.go @@ -27,10 +27,17 @@ var ( GasBalance = big.NewInt(20) GasCreate = big.NewInt(100) GasCall = big.NewInt(20) + GasCreateByte = big.NewInt(5) + GasSha3Byte = big.NewInt(10) + GasSha256Byte = big.NewInt(50) + GasRipemdByte = big.NewInt(50) GasMemory = big.NewInt(1) GasData = big.NewInt(5) GasTx = big.NewInt(500) GasLog = big.NewInt(32) + GasSha256 = big.NewInt(50) + GasRipemd = big.NewInt(50) + GasEcrecover = big.NewInt(100) Pow256 = ethutil.BigPow(2, 256) diff --git a/vm/vm_debug.go b/vm/vm_debug.go index be1c59339..c0a2d6d98 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -254,9 +254,12 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * newMemSize.Mul(newMemSize, u256(32)) switch op { - // Additional gas usage on *CODPY case CALLDATACOPY, CODECOPY, EXTCODECOPY: addStepGasUsage(new(big.Int).Div(newMemSize, u256(32))) + case SHA3: + g := new(big.Int).Div(newMemSize, u256(32)) + g.Mul(g, GasSha3Byte) + addStepGasUsage(g) } if newMemSize.Cmp(u256(int64(mem.Len()))) > 0 { @@ -833,8 +836,13 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * self.Printf("CREATE err %v", err) } else { - ref.SetCode(ret) - msg.Output = ret + // gas < len(ret) * CreateDataGas == NO_CODE + dataGas := big.NewInt(int64(len(ret))) + dataGas.Mul(dataGas, GasCreateByte) + if closure.UseGas(dataGas) { + ref.SetCode(ret) + msg.Output = ret + } stack.Push(ethutil.BigD(addr)) } |