From 29c887ef2c39e91951e1ae14e7c4276334c434a4 Mon Sep 17 00:00:00 2001 From: obscuren Date: Tue, 30 Dec 2014 16:16:02 +0100 Subject: Removed incorrect range check for push --- vm/vm_debug.go | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index aa3291e66..2ee13c516 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -716,7 +716,8 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * //a := big.NewInt(int64(op) - int64(PUSH1) + 1) a := uint64(op - PUSH1 + 1) //pc.Add(pc, ethutil.Big1) - val := ethutil.BigD(closure.GetRangeValue(pc+1, a)) + byts := closure.GetRangeValue(pc+1, a) + val := ethutil.BigD(byts) // Push value to stack stack.Push(val) pc += a @@ -724,7 +725,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * step += int(op) - int(PUSH1) + 1 - self.Printf(" => 0x%x", val.Bytes()) + self.Printf(" => 0x%x", byts) case POP: stack.Pop() case DUP1, DUP2, DUP3, DUP4, DUP5, DUP6, DUP7, DUP8, DUP9, DUP10, DUP11, DUP12, DUP13, DUP14, DUP15, DUP16: -- cgit v1.2.3 From 2ebf33ac1cd41277a296176198cfde9085948c0c Mon Sep 17 00:00:00 2001 From: obscuren Date: Tue, 30 Dec 2014 16:17:56 +0100 Subject: removed variable --- vm/vm_debug.go | 6 +----- 1 file changed, 1 insertion(+), 5 deletions(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 2ee13c516..9a538c940 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -713,15 +713,11 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * // 0x50 range case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32: - //a := big.NewInt(int64(op) - int64(PUSH1) + 1) a := uint64(op - PUSH1 + 1) - //pc.Add(pc, ethutil.Big1) byts := closure.GetRangeValue(pc+1, a) - val := ethutil.BigD(byts) // Push value to stack - stack.Push(val) + stack.Push(ethutil.BigD(byts)) pc += a - //pc.Add(pc, a.Sub(a, big.NewInt(1))) step += int(op) - int(PUSH1) + 1 -- cgit v1.2.3 From 138ab26b8c29db00022fb6afbca153f3c1928d00 Mon Sep 17 00:00:00 2001 From: obscuren Date: Tue, 30 Dec 2014 17:09:43 +0100 Subject: SIGNEXTEND missing from stack check --- vm/vm_debug.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 2ee13c516..a4e97ad48 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -140,7 +140,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * // Stack checks only case ISZERO, CALLDATALOAD, POP, JUMP, NOT: // 1 require(1) - case ADD, SUB, DIV, SDIV, MOD, SMOD, LT, GT, SLT, SGT, EQ, AND, OR, XOR, BYTE: // 2 + case ADD, SUB, DIV, SDIV, MOD, SMOD, LT, GT, SLT, SGT, EQ, AND, OR, XOR, BYTE, SIGNEXTEND: // 2 require(2) case ADDMOD, MULMOD: // 3 require(3) -- cgit v1.2.3 From 4b4e0821027cb5a82eaa04dcd89b1cad4a05af4e Mon Sep 17 00:00:00 2001 From: obscuren Date: Wed, 31 Dec 2014 10:32:53 +0100 Subject: JUMPI never 'require' checked. --- vm/vm_debug.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 933fb7b12..1e1b85e6d 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -140,7 +140,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * // Stack checks only case ISZERO, CALLDATALOAD, POP, JUMP, NOT: // 1 require(1) - case ADD, SUB, DIV, SDIV, MOD, SMOD, LT, GT, SLT, SGT, EQ, AND, OR, XOR, BYTE, SIGNEXTEND: // 2 + case JUMPI, ADD, SUB, DIV, SDIV, MOD, SMOD, LT, GT, SLT, SGT, EQ, AND, OR, XOR, BYTE, SIGNEXTEND: // 2 require(2) case ADDMOD, MULMOD: // 3 require(3) -- cgit v1.2.3 From 4547a05a689e6a0f29dd2d90e840e84de7f564f4 Mon Sep 17 00:00:00 2001 From: obscuren Date: Wed, 31 Dec 2014 11:12:40 +0100 Subject: Minor improvements * Moved gas and mem size to its own function --- vm/vm_debug.go | 325 +++++++++++++++++++++++++++++---------------------------- 1 file changed, 163 insertions(+), 162 deletions(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 1e1b85e6d..8829a9de0 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -49,15 +49,11 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * }) closure := NewClosure(msg, caller, me, code, gas, price) - if p := Precompiled[string(me.Address())]; p != nil { - return self.RunPrecompiled(p, callData, closure) - } - if self.Recoverable { // Recover from any require exception defer func() { if r := recover(); r != nil { - self.Endl() + self.Printf(" %v", r).Endl() closure.UseGas(closure.Gas) @@ -69,6 +65,10 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * }() } + if p := Precompiled[string(me.Address())]; p != nil { + return self.RunPrecompiled(p, callData, closure) + } + var ( op OpCode @@ -79,11 +79,6 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * step = 0 prevStep = 0 statedb = self.env.State() - require = func(m int) { - if stack.Len() < m { - panic(fmt.Sprintf("%04v (%v) stack err size = %d, required = %d", pc, op, stack.Len(), m)) - } - } jump = func(from uint64, to *big.Int) { p := to.Uint64() @@ -124,160 +119,11 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * // Get the memory location of pc op = closure.GetOp(pc) - gas := new(big.Int) - addStepGasUsage := func(amount *big.Int) { - if amount.Cmp(ethutil.Big0) >= 0 { - gas.Add(gas, amount) - } - } - - addStepGasUsage(GasStep) - - var newMemSize *big.Int = ethutil.Big0 - var additionalGas *big.Int = new(big.Int) - // Stack Check, memory resize & gas phase - switch op { - // Stack checks only - case ISZERO, CALLDATALOAD, POP, JUMP, NOT: // 1 - require(1) - case JUMPI, ADD, SUB, DIV, SDIV, MOD, SMOD, LT, GT, SLT, SGT, EQ, AND, OR, XOR, BYTE, SIGNEXTEND: // 2 - require(2) - case ADDMOD, MULMOD: // 3 - require(3) - case SWAP1, SWAP2, SWAP3, SWAP4, SWAP5, SWAP6, SWAP7, SWAP8, SWAP9, SWAP10, SWAP11, SWAP12, SWAP13, SWAP14, SWAP15, SWAP16: - n := int(op - SWAP1 + 2) - require(n) - case DUP1, DUP2, DUP3, DUP4, DUP5, DUP6, DUP7, DUP8, DUP9, DUP10, DUP11, DUP12, DUP13, DUP14, DUP15, DUP16: - n := int(op - DUP1 + 1) - require(n) - case LOG0, LOG1, LOG2, LOG3, LOG4: - n := int(op - LOG0) - require(n + 2) - - gas.Set(GasLog) - addStepGasUsage(new(big.Int).Mul(big.NewInt(int64(n)), GasLog)) - - mSize, mStart := stack.Peekn() - addStepGasUsage(mSize) - - newMemSize = calcMemSize(mStart, mSize) - case EXP: - require(2) - - gas.Set(big.NewInt(int64(len(stack.data[stack.Len()-2].Bytes()) + 1))) - // Gas only - case STOP: - gas.Set(ethutil.Big0) - case SUICIDE: - require(1) - - gas.Set(ethutil.Big0) - case SLOAD: - require(1) - - gas.Set(GasSLoad) - // Memory resize & Gas - case SSTORE: - require(2) - - var mult *big.Int - y, x := stack.Peekn() - val := statedb.GetState(closure.Address(), x.Bytes()) - if len(val) == 0 && len(y.Bytes()) > 0 { - // 0 => non 0 - mult = ethutil.Big3 - } else if len(val) > 0 && len(y.Bytes()) == 0 { - statedb.Refund(caller.Address(), GasSStoreRefund) - - mult = ethutil.Big0 - } else { - // non 0 => non 0 (or 0 => 0) - mult = ethutil.Big1 - } - gas.Set(new(big.Int).Mul(mult, GasSStore)) - case BALANCE: - require(1) - gas.Set(GasBalance) - case MSTORE: - require(2) - newMemSize = calcMemSize(stack.Peek(), u256(32)) - case MLOAD: - require(1) - - newMemSize = calcMemSize(stack.Peek(), u256(32)) - case MSTORE8: - require(2) - newMemSize = calcMemSize(stack.Peek(), u256(1)) - case RETURN: - require(2) - - newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-2]) - case SHA3: - require(2) - gas.Set(GasSha) - newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-2]) - additionalGas.Set(stack.data[stack.Len()-2]) - case CALLDATACOPY: - require(2) - - newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-3]) - additionalGas.Set(stack.data[stack.Len()-3]) - case CODECOPY: - require(3) - - newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-3]) - additionalGas.Set(stack.data[stack.Len()-3]) - case EXTCODECOPY: - require(4) - - newMemSize = calcMemSize(stack.data[stack.Len()-2], stack.data[stack.Len()-4]) - additionalGas.Set(stack.data[stack.Len()-4]) - case CALL, CALLCODE: - require(7) - gas.Set(GasCall) - addStepGasUsage(stack.data[stack.Len()-1]) - - 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) - case CREATE: - require(3) - gas.Set(GasCreate) - - newMemSize = calcMemSize(stack.data[stack.Len()-2], stack.data[stack.Len()-3]) - } - - switch op { - case CALLDATACOPY, CODECOPY, EXTCODECOPY: - additionalGas.Add(additionalGas, u256(31)) - additionalGas.Div(additionalGas, u256(32)) - addStepGasUsage(additionalGas) - case SHA3: - additionalGas.Add(additionalGas, u256(31)) - additionalGas.Div(additionalGas, u256(32)) - additionalGas.Mul(additionalGas, GasSha3Byte) - addStepGasUsage(additionalGas) - } - - if newMemSize.Cmp(ethutil.Big0) > 0 { - newMemSize.Add(newMemSize, u256(31)) - newMemSize.Div(newMemSize, u256(32)) - newMemSize.Mul(newMemSize, u256(32)) - - if newMemSize.Cmp(u256(int64(mem.Len()))) > 0 { - memGasUsage := new(big.Int).Sub(newMemSize, u256(int64(mem.Len()))) - memGasUsage.Mul(GasMemory, memGasUsage) - memGasUsage.Div(memGasUsage, u256(32)) - - addStepGasUsage(memGasUsage) + self.Printf("(pc) %-3d -o- %-14s (m) %-4d (s) %-4d ", pc, op.String(), mem.Len(), stack.Len()) - } - - } + newMemSize, gas := self.calculateGasAndSize(closure, caller, op, statedb, mem, stack) - self.Printf("(pc) %-3d -o- %-14s", pc, op.String()) - self.Printf(" (m) %-4d (s) %-4d (g) %-3v (%v)", mem.Len(), stack.Len(), gas, closure.Gas) + self.Printf("(g) %-3v (%v)", gas, closure.Gas) if !closure.UseGas(gas) { self.Endl() @@ -939,6 +785,161 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * } } +func (self *DebugVm) calculateGasAndSize(closure *Closure, caller ClosureRef, op OpCode, statedb *state.StateDB, mem *Memory, stack *Stack) (*big.Int, *big.Int) { + gas := new(big.Int) + addStepGasUsage := func(amount *big.Int) { + if amount.Cmp(ethutil.Big0) >= 0 { + gas.Add(gas, amount) + } + } + + addStepGasUsage(GasStep) + + var newMemSize *big.Int = ethutil.Big0 + var additionalGas *big.Int = new(big.Int) + // Stack Check, memory resize & gas phase + switch op { + // Stack checks only + case ISZERO, CALLDATALOAD, POP, JUMP, NOT: // 1 + stack.require(1) + case JUMPI, ADD, SUB, DIV, SDIV, MOD, SMOD, LT, GT, SLT, SGT, EQ, AND, OR, XOR, BYTE, SIGNEXTEND: // 2 + stack.require(2) + case ADDMOD, MULMOD: // 3 + stack.require(3) + case SWAP1, SWAP2, SWAP3, SWAP4, SWAP5, SWAP6, SWAP7, SWAP8, SWAP9, SWAP10, SWAP11, SWAP12, SWAP13, SWAP14, SWAP15, SWAP16: + n := int(op - SWAP1 + 2) + stack.require(n) + case DUP1, DUP2, DUP3, DUP4, DUP5, DUP6, DUP7, DUP8, DUP9, DUP10, DUP11, DUP12, DUP13, DUP14, DUP15, DUP16: + n := int(op - DUP1 + 1) + stack.require(n) + case LOG0, LOG1, LOG2, LOG3, LOG4: + n := int(op - LOG0) + stack.require(n + 2) + + gas.Set(GasLog) + addStepGasUsage(new(big.Int).Mul(big.NewInt(int64(n)), GasLog)) + + mSize, mStart := stack.Peekn() + addStepGasUsage(mSize) + + newMemSize = calcMemSize(mStart, mSize) + case EXP: + stack.require(2) + + gas.Set(big.NewInt(int64(len(stack.data[stack.Len()-2].Bytes()) + 1))) + // Gas only + case STOP: + gas.Set(ethutil.Big0) + case SUICIDE: + stack.require(1) + + gas.Set(ethutil.Big0) + case SLOAD: + stack.require(1) + + gas.Set(GasSLoad) + // Memory resize & Gas + case SSTORE: + stack.require(2) + + var mult *big.Int + y, x := stack.Peekn() + val := statedb.GetState(closure.Address(), x.Bytes()) + if len(val) == 0 && len(y.Bytes()) > 0 { + // 0 => non 0 + mult = ethutil.Big3 + } else if len(val) > 0 && len(y.Bytes()) == 0 { + statedb.Refund(caller.Address(), GasSStoreRefund) + + mult = ethutil.Big0 + } else { + // non 0 => non 0 (or 0 => 0) + mult = ethutil.Big1 + } + gas.Set(new(big.Int).Mul(mult, GasSStore)) + case BALANCE: + stack.require(1) + gas.Set(GasBalance) + case MSTORE: + stack.require(2) + newMemSize = calcMemSize(stack.Peek(), u256(32)) + case MLOAD: + stack.require(1) + + newMemSize = calcMemSize(stack.Peek(), u256(32)) + case MSTORE8: + stack.require(2) + newMemSize = calcMemSize(stack.Peek(), u256(1)) + case RETURN: + stack.require(2) + + newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-2]) + case SHA3: + stack.require(2) + gas.Set(GasSha) + newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-2]) + additionalGas.Set(stack.data[stack.Len()-2]) + case CALLDATACOPY: + stack.require(2) + + newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-3]) + additionalGas.Set(stack.data[stack.Len()-3]) + case CODECOPY: + stack.require(3) + + newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-3]) + additionalGas.Set(stack.data[stack.Len()-3]) + case EXTCODECOPY: + stack.require(4) + + newMemSize = calcMemSize(stack.data[stack.Len()-2], stack.data[stack.Len()-4]) + additionalGas.Set(stack.data[stack.Len()-4]) + case CALL, CALLCODE: + stack.require(7) + gas.Set(GasCall) + addStepGasUsage(stack.data[stack.Len()-1]) + + 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) + case CREATE: + stack.require(3) + gas.Set(GasCreate) + + newMemSize = calcMemSize(stack.data[stack.Len()-2], stack.data[stack.Len()-3]) + } + + switch op { + case CALLDATACOPY, CODECOPY, EXTCODECOPY: + additionalGas.Add(additionalGas, u256(31)) + additionalGas.Div(additionalGas, u256(32)) + addStepGasUsage(additionalGas) + case SHA3: + additionalGas.Add(additionalGas, u256(31)) + additionalGas.Div(additionalGas, u256(32)) + additionalGas.Mul(additionalGas, GasSha3Byte) + addStepGasUsage(additionalGas) + } + + if newMemSize.Cmp(ethutil.Big0) > 0 { + newMemSize.Add(newMemSize, u256(31)) + newMemSize.Div(newMemSize, u256(32)) + newMemSize.Mul(newMemSize, u256(32)) + + if newMemSize.Cmp(u256(int64(mem.Len()))) > 0 { + memGasUsage := new(big.Int).Sub(newMemSize, u256(int64(mem.Len()))) + memGasUsage.Mul(GasMemory, memGasUsage) + memGasUsage.Div(memGasUsage, u256(32)) + + addStepGasUsage(memGasUsage) + } + + } + + return newMemSize, gas +} + func (self *DebugVm) RunPrecompiled(p *PrecompiledAccount, callData []byte, closure *Closure) (ret []byte, err error) { gas := p.Gas(len(callData)) if closure.UseGas(gas) { -- cgit v1.2.3 From 4dc7ee90879d7146c9e5004c04992c90ad78f632 Mon Sep 17 00:00:00 2001 From: obscuren Date: Fri, 2 Jan 2015 16:14:12 +0100 Subject: Closure => Context --- vm/vm_debug.go | 124 ++++++++++++++++++++++++++++++--------------------------- 1 file changed, 66 insertions(+), 58 deletions(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 8829a9de0..1b9c480f8 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -37,7 +37,7 @@ func NewDebugVm(env Environment) *DebugVm { return &DebugVm{env: env, logTy: lt, Recoverable: true} } -func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price *big.Int, callData []byte) (ret []byte, err error) { +func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price *big.Int, callData []byte) (ret []byte, err error) { self.env.SetDepth(self.env.Depth() + 1) msg := self.env.State().Manifest().AddMessage(&state.Message{ @@ -47,7 +47,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * Block: self.env.BlockHash(), Timestamp: self.env.Time(), Coinbase: self.env.Coinbase(), Number: self.env.BlockNumber(), Value: value, }) - closure := NewClosure(msg, caller, me, code, gas, price) + context := NewContext(msg, caller, me, code, gas, price) if self.Recoverable { // Recover from any require exception @@ -55,9 +55,9 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * if r := recover(); r != nil { self.Printf(" %v", r).Endl() - closure.UseGas(closure.Gas) + context.UseGas(context.Gas) - ret = closure.Return(nil) + ret = context.Return(nil) err = fmt.Errorf("%v", r) @@ -66,13 +66,13 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * } if p := Precompiled[string(me.Address())]; p != nil { - return self.RunPrecompiled(p, callData, closure) + return self.RunPrecompiled(p, callData, context) } var ( op OpCode - destinations = analyseJumpDests(closure.Code) + destinations = analyseJumpDests(context.Code) mem = NewMemory() stack = NewStack() pc uint64 = 0 @@ -84,11 +84,19 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * p := to.Uint64() self.Printf(" ~> %v", to) + /* NOTE: new model. Will change soon + nop := OpCode(context.GetOp(p)) + if nop != JUMPDEST { + panic(fmt.Sprintf("invalid jump destination (%v) %v", nop, p)) + } + + pc = to.Uint64() + */ // Return to start if p == 0 { pc = 0 } else { - nop := OpCode(closure.GetOp(p)) + nop := OpCode(context.GetOp(p)) if !(nop == JUMPDEST || destinations[from] != nil) { panic(fmt.Sprintf("invalid jump destination (%v) %v", nop, p)) } else if nop == JUMP || nop == JUMPI { @@ -103,11 +111,11 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * } ) - vmlogger.Debugf("(%d) (%x) %x (code=%d) gas: %v (d) %x\n", self.env.Depth(), caller.Address()[:4], closure.Address(), len(code), closure.Gas, callData) + vmlogger.Debugf("(%d) (%x) %x (code=%d) gas: %v (d) %x\n", self.env.Depth(), caller.Address()[:4], context.Address(), len(code), context.Gas, callData) // Don't bother with the execution if there's no code. if len(code) == 0 { - return closure.Return(nil), nil + return context.Return(nil), nil } for { @@ -117,22 +125,22 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * step++ // Get the memory location of pc - op = closure.GetOp(pc) + op = context.GetOp(pc) self.Printf("(pc) %-3d -o- %-14s (m) %-4d (s) %-4d ", pc, op.String(), mem.Len(), stack.Len()) - newMemSize, gas := self.calculateGasAndSize(closure, caller, op, statedb, mem, stack) + newMemSize, gas := self.calculateGasAndSize(context, caller, op, statedb, mem, stack) - self.Printf("(g) %-3v (%v)", gas, closure.Gas) + self.Printf("(g) %-3v (%v)", gas, context.Gas) - if !closure.UseGas(gas) { + if !context.UseGas(gas) { self.Endl() - tmp := new(big.Int).Set(closure.Gas) + tmp := new(big.Int).Set(context.Gas) - closure.UseGas(closure.Gas) + context.UseGas(context.Gas) - return closure.Return(nil), OOG(gas, tmp) + return context.Return(nil), OOG(gas, tmp) } mem.Resize(newMemSize.Uint64()) @@ -410,9 +418,9 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * self.Printf(" => %x", data) // 0x30 range case ADDRESS: - stack.Push(ethutil.BigD(closure.Address())) + stack.Push(ethutil.BigD(context.Address())) - self.Printf(" => %x", closure.Address()) + self.Printf(" => %x", context.Address()) case BALANCE: addr := stack.Pop().Bytes() @@ -428,7 +436,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * self.Printf(" => %x", origin) case CALLER: - caller := closure.caller.Address() + caller := context.caller.Address() stack.Push(ethutil.BigD(caller)) self.Printf(" => %x", caller) @@ -485,7 +493,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * code = statedb.GetCode(addr) } else { - code = closure.Code + code = context.Code } l := big.NewInt(int64(len(code))) @@ -497,7 +505,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * if op == EXTCODECOPY { code = statedb.GetCode(stack.Pop().Bytes()) } else { - code = closure.Code + code = context.Code } var ( @@ -519,9 +527,9 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * self.Printf(" => [%v, %v, %v] %x", mOff, cOff, l, codeCopy) case GASPRICE: - stack.Push(closure.Price) + stack.Push(context.Price) - self.Printf(" => %v", closure.Price) + self.Printf(" => %v", context.Price) // 0x40 range case PREVHASH: @@ -560,7 +568,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * // 0x50 range case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32: a := uint64(op - PUSH1 + 1) - byts := closure.GetRangeValue(pc+1, a) + byts := context.GetRangeValue(pc+1, a) // Push value to stack stack.Push(ethutil.BigD(byts)) pc += a @@ -589,7 +597,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * } data := mem.Geti(mStart.Int64(), mSize.Int64()) - log := &Log{closure.Address(), topics, data} + log := &Log{context.Address(), topics, data} self.env.AddLog(log) self.Printf(" => %v", log) @@ -614,15 +622,15 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * self.Printf(" => [%v] 0x%x", off, val) case SLOAD: loc := stack.Pop() - val := ethutil.BigD(statedb.GetState(closure.Address(), loc.Bytes())) + val := ethutil.BigD(statedb.GetState(context.Address(), loc.Bytes())) stack.Push(val) self.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes()) case SSTORE: val, loc := stack.Popn() - statedb.SetState(closure.Address(), loc.Bytes(), val) + statedb.SetState(context.Address(), loc.Bytes(), val) - closure.message.AddStorageChange(loc.Bytes()) + context.message.AddStorageChange(loc.Bytes()) self.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes()) case JUMP: @@ -644,7 +652,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * case MSIZE: stack.Push(big.NewInt(int64(mem.Len()))) case GAS: - stack.Push(closure.Gas) + stack.Push(context.Gas) // 0x60 range case CREATE: @@ -653,7 +661,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * value = stack.Pop() size, offset = stack.Popn() input = mem.Get(offset.Int64(), size.Int64()) - gas = new(big.Int).Set(closure.Gas) + gas = new(big.Int).Set(context.Gas) // Snapshot the current stack so we are able to // revert back to it later. @@ -661,15 +669,15 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * ) // Generate a new address - n := statedb.GetNonce(closure.Address()) - addr := crypto.CreateAddress(closure.Address(), n) - statedb.SetNonce(closure.Address(), n+1) + n := statedb.GetNonce(context.Address()) + addr := crypto.CreateAddress(context.Address(), n) + statedb.SetNonce(context.Address(), n+1) self.Printf(" (*) %x", addr).Endl() - closure.UseGas(closure.Gas) + context.UseGas(context.Gas) - ret, err, ref := self.env.Create(closure, addr, input, gas, price, value) + ret, err, ref := self.env.Create(context, addr, input, gas, price, value) if err != nil { stack.Push(ethutil.BigFalse) @@ -678,7 +686,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * // gas < len(ret) * CreateDataGas == NO_CODE dataGas := big.NewInt(int64(len(ret))) dataGas.Mul(dataGas, GasCreateByte) - if closure.UseGas(dataGas) { + if context.UseGas(dataGas) { ref.SetCode(ret) msg.Output = ret } @@ -690,7 +698,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * // Debug hook if self.Dbg != nil { - self.Dbg.SetCode(closure.Code) + self.Dbg.SetCode(context.Code) } case CALL, CALLCODE: self.Endl() @@ -711,9 +719,9 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * err error ) if op == CALLCODE { - ret, err = self.env.CallCode(closure, addr.Bytes(), args, gas, price, value) + ret, err = self.env.CallCode(context, addr.Bytes(), args, gas, price, value) } else { - ret, err = self.env.Call(closure, addr.Bytes(), args, gas, price, value) + ret, err = self.env.Call(context, addr.Bytes(), args, gas, price, value) } if err != nil { @@ -726,11 +734,11 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * mem.Set(retOffset.Uint64(), retSize.Uint64(), ret) } - self.Printf("resume %x (%v)", closure.Address(), closure.Gas) + self.Printf("resume %x (%v)", context.Address(), context.Gas) // Debug hook if self.Dbg != nil { - self.Dbg.SetCode(closure.Code) + self.Dbg.SetCode(context.Code) } case RETURN: @@ -739,27 +747,27 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * self.Printf(" => [%v, %v] (%d) 0x%x", offset, size, len(ret), ret).Endl() - return closure.Return(ret), nil + return context.Return(ret), nil case SUICIDE: receiver := statedb.GetOrNewStateObject(stack.Pop().Bytes()) - balance := statedb.GetBalance(closure.Address()) + balance := statedb.GetBalance(context.Address()) self.Printf(" => (%x) %v", receiver.Address()[:4], balance) receiver.AddAmount(balance) - statedb.Delete(closure.Address()) + statedb.Delete(context.Address()) fallthrough - case STOP: // Stop the closure + case STOP: // Stop the context self.Endl() - return closure.Return(nil), nil + return context.Return(nil), nil default: vmlogger.Debugf("(pc) %-3v Invalid opcode %x\n", pc, op) - closure.ReturnGas(big.NewInt(1), nil) + context.ReturnGas(big.NewInt(1), nil) - return closure.Return(nil), fmt.Errorf("Invalid opcode %x", op) + return context.Return(nil), fmt.Errorf("Invalid opcode %x", op) } pc++ @@ -771,11 +779,11 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * if pc == uint64(instrNo) { self.Stepping = true - if !self.Dbg.BreakHook(prevStep, op, mem, stack, statedb.GetStateObject(closure.Address())) { + if !self.Dbg.BreakHook(prevStep, op, mem, stack, statedb.GetStateObject(context.Address())) { return nil, nil } } else if self.Stepping { - if !self.Dbg.StepHook(prevStep, op, mem, stack, statedb.GetStateObject(closure.Address())) { + if !self.Dbg.StepHook(prevStep, op, mem, stack, statedb.GetStateObject(context.Address())) { return nil, nil } } @@ -785,7 +793,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price * } } -func (self *DebugVm) calculateGasAndSize(closure *Closure, caller ClosureRef, op OpCode, statedb *state.StateDB, mem *Memory, stack *Stack) (*big.Int, *big.Int) { +func (self *DebugVm) calculateGasAndSize(context *Context, caller ContextRef, op OpCode, statedb *state.StateDB, mem *Memory, stack *Stack) (*big.Int, *big.Int) { gas := new(big.Int) addStepGasUsage := func(amount *big.Int) { if amount.Cmp(ethutil.Big0) >= 0 { @@ -844,7 +852,7 @@ func (self *DebugVm) calculateGasAndSize(closure *Closure, caller ClosureRef, op var mult *big.Int y, x := stack.Peekn() - val := statedb.GetState(closure.Address(), x.Bytes()) + val := statedb.GetState(context.Address(), x.Bytes()) if len(val) == 0 && len(y.Bytes()) > 0 { // 0 => non 0 mult = ethutil.Big3 @@ -940,22 +948,22 @@ func (self *DebugVm) calculateGasAndSize(closure *Closure, caller ClosureRef, op return newMemSize, gas } -func (self *DebugVm) RunPrecompiled(p *PrecompiledAccount, callData []byte, closure *Closure) (ret []byte, err error) { +func (self *DebugVm) RunPrecompiled(p *PrecompiledAccount, callData []byte, context *Context) (ret []byte, err error) { gas := p.Gas(len(callData)) - if closure.UseGas(gas) { + if context.UseGas(gas) { ret = p.Call(callData) self.Printf("NATIVE_FUNC => %x", ret) self.Endl() - return closure.Return(ret), nil + return context.Return(ret), nil } else { self.Endl() - tmp := new(big.Int).Set(closure.Gas) + tmp := new(big.Int).Set(context.Gas) - closure.UseGas(closure.Gas) + context.UseGas(context.Gas) - return closure.Return(nil), OOG(gas, tmp) + return context.Return(nil), OOG(gas, tmp) } } -- cgit v1.2.3 From 55e55826ee3b763be8805dcdef0468a179619ba1 Mon Sep 17 00:00:00 2001 From: obscuren Date: Fri, 2 Jan 2015 17:35:55 +0100 Subject: Changed JUMP(I) behaviour. * All jumps must land on a JUMPDEST instruction byte. * The byte may not be part of a PUSH* --- vm/vm_debug.go | 20 ++------------------ 1 file changed, 2 insertions(+), 18 deletions(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 1b9c480f8..6ad385fd0 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -83,29 +83,13 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * jump = func(from uint64, to *big.Int) { p := to.Uint64() - self.Printf(" ~> %v", to) - /* NOTE: new model. Will change soon nop := OpCode(context.GetOp(p)) - if nop != JUMPDEST { + if !destinations.Has(p) { panic(fmt.Sprintf("invalid jump destination (%v) %v", nop, p)) } + self.Printf(" ~> %v", to) pc = to.Uint64() - */ - // Return to start - if p == 0 { - pc = 0 - } else { - nop := OpCode(context.GetOp(p)) - if !(nop == JUMPDEST || destinations[from] != nil) { - panic(fmt.Sprintf("invalid jump destination (%v) %v", nop, p)) - } else if nop == JUMP || nop == JUMPI { - panic(fmt.Sprintf("not allowed to JUMP(I) in to JUMP")) - } - - pc = to.Uint64() - - } self.Endl() } -- cgit v1.2.3 From ca1b2a1a91401255ab4e26cec7eb575b99ecb8da Mon Sep 17 00:00:00 2001 From: obscuren Date: Sat, 3 Jan 2015 17:18:43 +0100 Subject: Changed prev_hash to block_hash, state transition now uses vm env * PREVHASH => BLOCKHASH( N ) * State transition object uses VMEnv as it's query interface * Updated vm.Enviroment has GetHash( n ) for BLOCKHASH instruction * Added GetHash to xeth, core, utils & test environments --- vm/vm_debug.go | 19 +++++++++++-------- 1 file changed, 11 insertions(+), 8 deletions(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 6ad385fd0..baacf752b 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -42,9 +42,9 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * msg := self.env.State().Manifest().AddMessage(&state.Message{ To: me.Address(), From: caller.Address(), - Input: callData, - Origin: self.env.Origin(), - Block: self.env.BlockHash(), Timestamp: self.env.Time(), Coinbase: self.env.Coinbase(), Number: self.env.BlockNumber(), + Input: callData, + Origin: self.env.Origin(), + Timestamp: self.env.Time(), Coinbase: self.env.Coinbase(), Number: self.env.BlockNumber(), Value: value, }) context := NewContext(msg, caller, me, code, gas, price) @@ -516,12 +516,15 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * self.Printf(" => %v", context.Price) // 0x40 range - case PREVHASH: - prevHash := self.env.PrevHash() - - stack.Push(ethutil.BigD(prevHash)) + case BLOCKHASH: + num := stack.Pop() + if num.Cmp(new(big.Int).Sub(self.env.BlockNumber(), ethutil.Big256)) < 0 { + stack.Push(ethutil.Big0) + } else { + stack.Push(ethutil.BigD(self.env.GetHash(num.Uint64()))) + } - self.Printf(" => 0x%x", prevHash) + self.Printf(" => 0x%x", stack.Peek().Bytes()) case COINBASE: coinbase := self.env.Coinbase() -- cgit v1.2.3 From bd0c267cbe9db805b5a272d29ef8860c62ddafe5 Mon Sep 17 00:00:00 2001 From: obscuren Date: Sat, 3 Jan 2015 17:29:08 +0100 Subject: Cleanup old code --- vm/vm_debug.go | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index baacf752b..acad9c5e7 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -47,7 +47,7 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * Timestamp: self.env.Time(), Coinbase: self.env.Coinbase(), Number: self.env.BlockNumber(), Value: value, }) - context := NewContext(msg, caller, me, code, gas, price) + context := NewContext(caller, me, code, gas, price) if self.Recoverable { // Recover from any require exception @@ -617,7 +617,7 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * val, loc := stack.Popn() statedb.SetState(context.Address(), loc.Bytes(), val) - context.message.AddStorageChange(loc.Bytes()) + msg.AddStorageChange(loc.Bytes()) self.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes()) case JUMP: -- cgit v1.2.3 From 09841b1c9b2553a4572590128580df37c8fa83ad Mon Sep 17 00:00:00 2001 From: obscuren Date: Sun, 4 Jan 2015 14:20:16 +0100 Subject: Cleaned up some of that util --- vm/vm_debug.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index acad9c5e7..92e4154e4 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -83,7 +83,7 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * jump = func(from uint64, to *big.Int) { p := to.Uint64() - nop := OpCode(context.GetOp(p)) + nop := context.GetOp(p) if !destinations.Has(p) { panic(fmt.Sprintf("invalid jump destination (%v) %v", nop, p)) } -- cgit v1.2.3 From 5c8c0ae04e83389e3b97c527c11c819f219e344d Mon Sep 17 00:00:00 2001 From: obscuren Date: Fri, 9 Jan 2015 15:30:46 +0100 Subject: Fixed size 0 bug --- vm/vm_debug.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 92e4154e4..656487c9b 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -34,7 +34,7 @@ func NewDebugVm(env Environment) *DebugVm { lt = LogTyDiff } - return &DebugVm{env: env, logTy: lt, Recoverable: true} + return &DebugVm{env: env, logTy: lt, Recoverable: false} } func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price *big.Int, callData []byte) (ret []byte, err error) { -- cgit v1.2.3 From 6eb455032cdf9fec37f7a2abfc833de64003beca Mon Sep 17 00:00:00 2001 From: obscuren Date: Fri, 9 Jan 2015 15:32:14 +0100 Subject: recover --- vm/vm_debug.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 656487c9b..92e4154e4 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -34,7 +34,7 @@ func NewDebugVm(env Environment) *DebugVm { lt = LogTyDiff } - return &DebugVm{env: env, logTy: lt, Recoverable: false} + return &DebugVm{env: env, logTy: lt, Recoverable: true} } func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price *big.Int, callData []byte) (ret []byte, err error) { -- cgit v1.2.3 From 8c7b764d47ce55ba6abe437ae8232cc537c4e0d9 Mon Sep 17 00:00:00 2001 From: obscuren Date: Fri, 9 Jan 2015 21:18:34 +0100 Subject: updated tests --- vm/vm_debug.go | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 92e4154e4..04ba8190d 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -583,7 +583,7 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * topics[i] = ethutil.LeftPadBytes(stack.Pop().Bytes(), 32) } - data := mem.Geti(mStart.Int64(), mSize.Int64()) + data := mem.Get(mStart.Int64(), mSize.Int64()) log := &Log{context.Address(), topics, data} self.env.AddLog(log) -- cgit v1.2.3 From 00348756bce00c2d19f16ce8df5eff7a62f5cfc6 Mon Sep 17 00:00:00 2001 From: obscuren Date: Mon, 12 Jan 2015 13:49:47 +0100 Subject: updated tests --- vm/vm_debug.go | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 04ba8190d..eec8c518f 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -2,7 +2,6 @@ package vm import ( "fmt" - "math" "math/big" "github.com/ethereum/go-ethereum/crypto" @@ -491,21 +490,13 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * } else { code = context.Code } - + context := NewContext(nil, nil, code, ethutil.Big0, ethutil.Big0) var ( - size = uint64(len(code)) mOff = stack.Pop().Uint64() cOff = stack.Pop().Uint64() l = stack.Pop().Uint64() ) - - if cOff > size { - cOff = 0 - l = 0 - } else if cOff+l > size { - l = uint64(math.Min(float64(cOff+l), float64(size))) - } - codeCopy := code[cOff : cOff+l] + codeCopy := context.GetCode(cOff, l) mem.Set(mOff, l, codeCopy) -- cgit v1.2.3 From 75cd9cd2de315f8680ff6a382e9b3bd48e17ecad Mon Sep 17 00:00:00 2001 From: obscuren Date: Mon, 12 Jan 2015 14:40:40 +0100 Subject: updated tests --- vm/vm_debug.go | 4 +--- 1 file changed, 1 insertion(+), 3 deletions(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index eec8c518f..fee42d3d8 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -743,9 +743,7 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * default: vmlogger.Debugf("(pc) %-3v Invalid opcode %x\n", pc, op) - context.ReturnGas(big.NewInt(1), nil) - - return context.Return(nil), fmt.Errorf("Invalid opcode %x", op) + panic(fmt.Errorf("Invalid opcode %x", op)) } pc++ -- cgit v1.2.3 From 8a1b51c716abdc21a8af43282e106d77eda3706b Mon Sep 17 00:00:00 2001 From: obscuren Date: Mon, 12 Jan 2015 16:13:30 +0100 Subject: updated tests --- vm/vm_debug.go | 40 ++++++++++++++++++++++------------------ 1 file changed, 22 insertions(+), 18 deletions(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index fee42d3d8..81db45f19 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -48,6 +48,12 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * }) context := NewContext(caller, me, code, gas, price) + vmlogger.Debugf("(%d) (%x) %x (code=%d) gas: %v (d) %x\n", self.env.Depth(), caller.Address()[:4], context.Address(), len(code), context.Gas, callData) + + if p := Precompiled[string(me.Address())]; p != nil { + return self.RunPrecompiled(p, callData, context) + } + if self.Recoverable { // Recover from any require exception defer func() { @@ -64,10 +70,6 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * }() } - if p := Precompiled[string(me.Address())]; p != nil { - return self.RunPrecompiled(p, callData, context) - } - var ( op OpCode @@ -94,8 +96,6 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * } ) - vmlogger.Debugf("(%d) (%x) %x (code=%d) gas: %v (d) %x\n", self.env.Depth(), caller.Address()[:4], context.Address(), len(code), context.Gas, callData) - // Don't bother with the execution if there's no code. if len(code) == 0 { return context.Return(nil), nil @@ -368,12 +368,14 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * y := stack.Pop() z := stack.Pop() - base.Add(x, y) - base.Mod(base, z) + add := new(big.Int).Add(x, y) + if len(z.Bytes()) > 0 { // NOT 0x0 + base.Mod(add, z) - U256(base) + U256(base) + } - self.Printf(" = %v", base) + self.Printf(" %v + %v %% %v = %v", x, y, z, base) stack.Push(base) case MULMOD: @@ -382,12 +384,14 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * y := stack.Pop() z := stack.Pop() - base.Mul(x, y) - base.Mod(base, z) + mul := new(big.Int).Mul(x, y) + if len(z.Bytes()) > 0 { // NOT 0x0 + base.Mod(mul, z) - U256(base) + U256(base) + } - self.Printf(" = %v", base) + self.Printf(" %v + %v %% %v = %v", x, y, z, base) stack.Push(base) @@ -541,6 +545,8 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * self.Printf(" => 0x%x", difficulty.Bytes()) case GASLIMIT: + self.Printf(" => %v", self.env.GasLimit()) + stack.Push(self.env.GasLimit()) // 0x50 range @@ -933,13 +939,11 @@ func (self *DebugVm) RunPrecompiled(p *PrecompiledAccount, callData []byte, cont return context.Return(ret), nil } else { - self.Endl() + self.Printf("NATIVE_FUNC => failed").Endl() tmp := new(big.Int).Set(context.Gas) - context.UseGas(context.Gas) - - return context.Return(nil), OOG(gas, tmp) + panic(OOG(gas, tmp).Error()) } } -- cgit v1.2.3 From 750d70c2024784227c8ac920d651c337c2de207e Mon Sep 17 00:00:00 2001 From: obscuren Date: Tue, 13 Jan 2015 00:25:45 +0100 Subject: updated tests --- vm/vm_debug.go | 16 +++++++++------- 1 file changed, 9 insertions(+), 7 deletions(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 81db45f19..255faefb0 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -50,10 +50,6 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * vmlogger.Debugf("(%d) (%x) %x (code=%d) gas: %v (d) %x\n", self.env.Depth(), caller.Address()[:4], context.Address(), len(code), context.Gas, callData) - if p := Precompiled[string(me.Address())]; p != nil { - return self.RunPrecompiled(p, callData, context) - } - if self.Recoverable { // Recover from any require exception defer func() { @@ -70,6 +66,10 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * }() } + if p := Precompiled[string(me.Address())]; p != nil { + return self.RunPrecompiled(p, callData, context) + } + var ( op OpCode @@ -513,10 +513,12 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * // 0x40 range case BLOCKHASH: num := stack.Pop() - if num.Cmp(new(big.Int).Sub(self.env.BlockNumber(), ethutil.Big256)) < 0 { - stack.Push(ethutil.Big0) - } else { + + n := U256(new(big.Int).Sub(self.env.BlockNumber(), ethutil.Big257)) + if num.Cmp(n) > 0 && num.Cmp(self.env.BlockNumber()) < 0 { stack.Push(ethutil.BigD(self.env.GetHash(num.Uint64()))) + } else { + stack.Push(ethutil.Big0) } self.Printf(" => 0x%x", stack.Peek().Bytes()) -- cgit v1.2.3 From 82beaabf6a8b5a146a38e1d6a31a78157c79a0cf Mon Sep 17 00:00:00 2001 From: obscuren Date: Tue, 13 Jan 2015 14:57:51 +0100 Subject: Fixed consensus issue --- vm/vm_debug.go | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 255faefb0..5949ea5d9 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -663,8 +663,8 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * context.UseGas(context.Gas) - ret, err, ref := self.env.Create(context, addr, input, gas, price, value) - if err != nil { + ret, suberr, ref := self.env.Create(context, addr, input, gas, price, value) + if suberr != nil { stack.Push(ethutil.BigFalse) self.Printf("CREATE err %v", err) -- cgit v1.2.3 From bb55307a9d8fa73b0fbc0727f8b80925a87627b7 Mon Sep 17 00:00:00 2001 From: obscuren Date: Tue, 13 Jan 2015 20:31:31 +0100 Subject: Updated tests --- vm/vm_debug.go | 24 +++++++----------------- 1 file changed, 7 insertions(+), 17 deletions(-) (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 5949ea5d9..44137568e 100644 --- a/vm/vm_debug.go +++ b/vm/vm_debug.go @@ -643,32 +643,21 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * case CREATE: var ( - err error value = stack.Pop() size, offset = stack.Popn() input = mem.Get(offset.Int64(), size.Int64()) gas = new(big.Int).Set(context.Gas) - - // Snapshot the current stack so we are able to - // revert back to it later. - //snapshot = self.env.State().Copy() + addr []byte ) - // Generate a new address - n := statedb.GetNonce(context.Address()) - addr := crypto.CreateAddress(context.Address(), n) - statedb.SetNonce(context.Address(), n+1) - - self.Printf(" (*) %x", addr).Endl() - context.UseGas(context.Gas) - - ret, suberr, ref := self.env.Create(context, addr, input, gas, price, value) + ret, suberr, ref := self.env.Create(context, nil, input, gas, price, value) if suberr != nil { stack.Push(ethutil.BigFalse) - self.Printf("CREATE err %v", err) + self.Printf(" (*) 0x0 %v", suberr) } else { + // gas < len(ret) * CreateDataGas == NO_CODE dataGas := big.NewInt(int64(len(ret))) dataGas.Mul(dataGas, GasCreateByte) @@ -676,11 +665,12 @@ func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price * ref.SetCode(ret) msg.Output = ret } + addr = ref.Address() stack.Push(ethutil.BigD(addr)) - } - self.Endl() + self.Printf(" (*) %x", addr) + } // Debug hook if self.Dbg != nil { -- cgit v1.2.3 From 89c69a1d257daf973690a7fb96d2aa2b9d0849ec Mon Sep 17 00:00:00 2001 From: obscuren Date: Mon, 19 Jan 2015 11:18:34 +0100 Subject: VmDebug => StdVm --- vm/vm_debug.go | 961 --------------------------------------------------------- 1 file changed, 961 deletions(-) delete mode 100644 vm/vm_debug.go (limited to 'vm/vm_debug.go') diff --git a/vm/vm_debug.go b/vm/vm_debug.go deleted file mode 100644 index 44137568e..000000000 --- a/vm/vm_debug.go +++ /dev/null @@ -1,961 +0,0 @@ -package vm - -import ( - "fmt" - "math/big" - - "github.com/ethereum/go-ethereum/crypto" - "github.com/ethereum/go-ethereum/ethutil" - "github.com/ethereum/go-ethereum/state" -) - -type DebugVm struct { - env Environment - - logTy byte - logStr string - - err error - - // Debugging - Dbg Debugger - - BreakPoints []int64 - Stepping bool - Fn string - - Recoverable bool -} - -func NewDebugVm(env Environment) *DebugVm { - lt := LogTyPretty - if ethutil.Config.Diff { - lt = LogTyDiff - } - - return &DebugVm{env: env, logTy: lt, Recoverable: true} -} - -func (self *DebugVm) Run(me, caller ContextRef, code []byte, value, gas, price *big.Int, callData []byte) (ret []byte, err error) { - self.env.SetDepth(self.env.Depth() + 1) - - msg := self.env.State().Manifest().AddMessage(&state.Message{ - To: me.Address(), From: caller.Address(), - Input: callData, - Origin: self.env.Origin(), - Timestamp: self.env.Time(), Coinbase: self.env.Coinbase(), Number: self.env.BlockNumber(), - Value: value, - }) - context := NewContext(caller, me, code, gas, price) - - vmlogger.Debugf("(%d) (%x) %x (code=%d) gas: %v (d) %x\n", self.env.Depth(), caller.Address()[:4], context.Address(), len(code), context.Gas, callData) - - if self.Recoverable { - // Recover from any require exception - defer func() { - if r := recover(); r != nil { - self.Printf(" %v", r).Endl() - - context.UseGas(context.Gas) - - ret = context.Return(nil) - - err = fmt.Errorf("%v", r) - - } - }() - } - - if p := Precompiled[string(me.Address())]; p != nil { - return self.RunPrecompiled(p, callData, context) - } - - var ( - op OpCode - - destinations = analyseJumpDests(context.Code) - mem = NewMemory() - stack = NewStack() - pc uint64 = 0 - step = 0 - prevStep = 0 - statedb = self.env.State() - - jump = func(from uint64, to *big.Int) { - p := to.Uint64() - - nop := context.GetOp(p) - if !destinations.Has(p) { - panic(fmt.Sprintf("invalid jump destination (%v) %v", nop, p)) - } - - self.Printf(" ~> %v", to) - pc = to.Uint64() - - self.Endl() - } - ) - - // Don't bother with the execution if there's no code. - if len(code) == 0 { - return context.Return(nil), nil - } - - for { - prevStep = step - // The base for all big integer arithmetic - base := new(big.Int) - - step++ - // Get the memory location of pc - op = context.GetOp(pc) - - self.Printf("(pc) %-3d -o- %-14s (m) %-4d (s) %-4d ", pc, op.String(), mem.Len(), stack.Len()) - - newMemSize, gas := self.calculateGasAndSize(context, caller, op, statedb, mem, stack) - - self.Printf("(g) %-3v (%v)", gas, context.Gas) - - if !context.UseGas(gas) { - self.Endl() - - tmp := new(big.Int).Set(context.Gas) - - context.UseGas(context.Gas) - - return context.Return(nil), OOG(gas, tmp) - } - - mem.Resize(newMemSize.Uint64()) - - switch op { - // 0x20 range - case ADD: - x, y := stack.Popn() - self.Printf(" %v + %v", y, x) - - base.Add(y, x) - - U256(base) - - self.Printf(" = %v", base) - // Pop result back on the stack - stack.Push(base) - case SUB: - x, y := stack.Popn() - self.Printf(" %v - %v", y, x) - - base.Sub(y, x) - - U256(base) - - self.Printf(" = %v", base) - // Pop result back on the stack - stack.Push(base) - case MUL: - x, y := stack.Popn() - self.Printf(" %v * %v", y, x) - - base.Mul(y, x) - - U256(base) - - self.Printf(" = %v", base) - // Pop result back on the stack - stack.Push(base) - case DIV: - x, y := stack.Pop(), stack.Pop() - self.Printf(" %v / %v", x, y) - - if y.Cmp(ethutil.Big0) != 0 { - base.Div(x, y) - } - - U256(base) - - self.Printf(" = %v", base) - // Pop result back on the stack - stack.Push(base) - case SDIV: - x, y := S256(stack.Pop()), S256(stack.Pop()) - - self.Printf(" %v / %v", x, y) - - if y.Cmp(ethutil.Big0) == 0 { - base.Set(ethutil.Big0) - } else { - n := new(big.Int) - if new(big.Int).Mul(x, y).Cmp(ethutil.Big0) < 0 { - n.SetInt64(-1) - } else { - n.SetInt64(1) - } - - base.Div(x.Abs(x), y.Abs(y)).Mul(base, n) - - U256(base) - } - - self.Printf(" = %v", base) - stack.Push(base) - case MOD: - x, y := stack.Pop(), stack.Pop() - - self.Printf(" %v %% %v", x, y) - - if y.Cmp(ethutil.Big0) == 0 { - base.Set(ethutil.Big0) - } else { - base.Mod(x, y) - } - - U256(base) - - self.Printf(" = %v", base) - stack.Push(base) - case SMOD: - x, y := S256(stack.Pop()), S256(stack.Pop()) - - self.Printf(" %v %% %v", x, y) - - if y.Cmp(ethutil.Big0) == 0 { - base.Set(ethutil.Big0) - } else { - n := new(big.Int) - if x.Cmp(ethutil.Big0) < 0 { - n.SetInt64(-1) - } else { - n.SetInt64(1) - } - - base.Mod(x.Abs(x), y.Abs(y)).Mul(base, n) - - U256(base) - } - - self.Printf(" = %v", base) - stack.Push(base) - - case EXP: - x, y := stack.Popn() - - self.Printf(" %v ** %v", y, x) - - base.Exp(y, x, Pow256) - - U256(base) - - self.Printf(" = %v", base) - - stack.Push(base) - case SIGNEXTEND: - back := stack.Pop().Uint64() - if back < 31 { - bit := uint(back*8 + 7) - num := stack.Pop() - mask := new(big.Int).Lsh(ethutil.Big1, bit) - mask.Sub(mask, ethutil.Big1) - if ethutil.BitTest(num, int(bit)) { - num.Or(num, mask.Not(mask)) - } else { - num.And(num, mask) - } - - num = U256(num) - - self.Printf(" = %v", num) - - stack.Push(num) - } - case NOT: - base.Sub(Pow256, stack.Pop()).Sub(base, ethutil.Big1) - - // Not needed - //base = U256(base) - - stack.Push(base) - case LT: - x, y := stack.Popn() - self.Printf(" %v < %v", y, x) - // x < y - if y.Cmp(x) < 0 { - stack.Push(ethutil.BigTrue) - } else { - stack.Push(ethutil.BigFalse) - } - case GT: - x, y := stack.Popn() - self.Printf(" %v > %v", y, x) - - // x > y - if y.Cmp(x) > 0 { - stack.Push(ethutil.BigTrue) - } else { - stack.Push(ethutil.BigFalse) - } - - case SLT: - y, x := S256(stack.Pop()), S256(stack.Pop()) - self.Printf(" %v < %v", y, x) - // x < y - if y.Cmp(S256(x)) < 0 { - stack.Push(ethutil.BigTrue) - } else { - stack.Push(ethutil.BigFalse) - } - case SGT: - y, x := S256(stack.Pop()), S256(stack.Pop()) - self.Printf(" %v > %v", y, x) - - // x > y - if y.Cmp(x) > 0 { - stack.Push(ethutil.BigTrue) - } else { - stack.Push(ethutil.BigFalse) - } - - case EQ: - x, y := stack.Popn() - self.Printf(" %v == %v", y, x) - - // x == y - if x.Cmp(y) == 0 { - stack.Push(ethutil.BigTrue) - } else { - stack.Push(ethutil.BigFalse) - } - case ISZERO: - x := stack.Pop() - if x.Cmp(ethutil.BigFalse) > 0 { - stack.Push(ethutil.BigFalse) - } else { - stack.Push(ethutil.BigTrue) - } - - // 0x10 range - case AND: - x, y := stack.Popn() - self.Printf(" %v & %v", y, x) - - stack.Push(base.And(y, x)) - case OR: - x, y := stack.Popn() - self.Printf(" %v | %v", y, x) - - stack.Push(base.Or(y, x)) - case XOR: - x, y := stack.Popn() - self.Printf(" %v ^ %v", y, x) - - stack.Push(base.Xor(y, x)) - case BYTE: - val, th := stack.Popn() - - if th.Cmp(big.NewInt(32)) < 0 { - byt := big.NewInt(int64(ethutil.LeftPadBytes(val.Bytes(), 32)[th.Int64()])) - - base.Set(byt) - } else { - base.Set(ethutil.BigFalse) - } - - self.Printf(" => 0x%x", base.Bytes()) - - stack.Push(base) - case ADDMOD: - - x := stack.Pop() - y := stack.Pop() - z := stack.Pop() - - add := new(big.Int).Add(x, y) - if len(z.Bytes()) > 0 { // NOT 0x0 - base.Mod(add, z) - - U256(base) - } - - self.Printf(" %v + %v %% %v = %v", x, y, z, base) - - stack.Push(base) - case MULMOD: - - x := stack.Pop() - y := stack.Pop() - z := stack.Pop() - - mul := new(big.Int).Mul(x, y) - if len(z.Bytes()) > 0 { // NOT 0x0 - base.Mod(mul, z) - - U256(base) - } - - self.Printf(" %v + %v %% %v = %v", x, y, z, base) - - stack.Push(base) - - // 0x20 range - case SHA3: - size, offset := stack.Popn() - data := crypto.Sha3(mem.Get(offset.Int64(), size.Int64())) - - stack.Push(ethutil.BigD(data)) - - self.Printf(" => %x", data) - // 0x30 range - case ADDRESS: - stack.Push(ethutil.BigD(context.Address())) - - self.Printf(" => %x", context.Address()) - case BALANCE: - - addr := stack.Pop().Bytes() - balance := statedb.GetBalance(addr) - - stack.Push(balance) - - self.Printf(" => %v (%x)", balance, addr) - case ORIGIN: - origin := self.env.Origin() - - stack.Push(ethutil.BigD(origin)) - - self.Printf(" => %x", origin) - case CALLER: - caller := context.caller.Address() - stack.Push(ethutil.BigD(caller)) - - self.Printf(" => %x", caller) - case CALLVALUE: - stack.Push(value) - - self.Printf(" => %v", value) - case CALLDATALOAD: - var ( - offset = stack.Pop() - data = make([]byte, 32) - lenData = big.NewInt(int64(len(callData))) - ) - - if lenData.Cmp(offset) >= 0 { - length := new(big.Int).Add(offset, ethutil.Big32) - length = ethutil.BigMin(length, lenData) - - copy(data, callData[offset.Int64():length.Int64()]) - } - - self.Printf(" => 0x%x", data) - - stack.Push(ethutil.BigD(data)) - case CALLDATASIZE: - l := int64(len(callData)) - stack.Push(big.NewInt(l)) - - self.Printf(" => %d", l) - case CALLDATACOPY: - var ( - size = uint64(len(callData)) - mOff = stack.Pop().Uint64() - cOff = stack.Pop().Uint64() - l = stack.Pop().Uint64() - ) - - if cOff > size { - cOff = 0 - l = 0 - } else if cOff+l > size { - l = 0 - } - - code := callData[cOff : cOff+l] - - mem.Set(mOff, l, code) - - self.Printf(" => [%v, %v, %v] %x", mOff, cOff, l, callData[cOff:cOff+l]) - case CODESIZE, EXTCODESIZE: - var code []byte - if op == EXTCODESIZE { - addr := stack.Pop().Bytes() - - code = statedb.GetCode(addr) - } else { - code = context.Code - } - - l := big.NewInt(int64(len(code))) - stack.Push(l) - - self.Printf(" => %d", l) - case CODECOPY, EXTCODECOPY: - var code []byte - if op == EXTCODECOPY { - code = statedb.GetCode(stack.Pop().Bytes()) - } else { - code = context.Code - } - context := NewContext(nil, nil, code, ethutil.Big0, ethutil.Big0) - var ( - mOff = stack.Pop().Uint64() - cOff = stack.Pop().Uint64() - l = stack.Pop().Uint64() - ) - codeCopy := context.GetCode(cOff, l) - - mem.Set(mOff, l, codeCopy) - - self.Printf(" => [%v, %v, %v] %x", mOff, cOff, l, codeCopy) - case GASPRICE: - stack.Push(context.Price) - - self.Printf(" => %v", context.Price) - - // 0x40 range - case BLOCKHASH: - num := stack.Pop() - - n := U256(new(big.Int).Sub(self.env.BlockNumber(), ethutil.Big257)) - if num.Cmp(n) > 0 && num.Cmp(self.env.BlockNumber()) < 0 { - stack.Push(ethutil.BigD(self.env.GetHash(num.Uint64()))) - } else { - stack.Push(ethutil.Big0) - } - - self.Printf(" => 0x%x", stack.Peek().Bytes()) - case COINBASE: - coinbase := self.env.Coinbase() - - stack.Push(ethutil.BigD(coinbase)) - - self.Printf(" => 0x%x", coinbase) - case TIMESTAMP: - time := self.env.Time() - - stack.Push(big.NewInt(time)) - - self.Printf(" => 0x%x", time) - case NUMBER: - number := self.env.BlockNumber() - - stack.Push(number) - - self.Printf(" => 0x%x", number.Bytes()) - case DIFFICULTY: - difficulty := self.env.Difficulty() - - stack.Push(difficulty) - - self.Printf(" => 0x%x", difficulty.Bytes()) - case GASLIMIT: - self.Printf(" => %v", self.env.GasLimit()) - - stack.Push(self.env.GasLimit()) - - // 0x50 range - case PUSH1, PUSH2, PUSH3, PUSH4, PUSH5, PUSH6, PUSH7, PUSH8, PUSH9, PUSH10, PUSH11, PUSH12, PUSH13, PUSH14, PUSH15, PUSH16, PUSH17, PUSH18, PUSH19, PUSH20, PUSH21, PUSH22, PUSH23, PUSH24, PUSH25, PUSH26, PUSH27, PUSH28, PUSH29, PUSH30, PUSH31, PUSH32: - a := uint64(op - PUSH1 + 1) - byts := context.GetRangeValue(pc+1, a) - // Push value to stack - stack.Push(ethutil.BigD(byts)) - pc += a - - step += int(op) - int(PUSH1) + 1 - - self.Printf(" => 0x%x", byts) - case POP: - stack.Pop() - case DUP1, DUP2, DUP3, DUP4, DUP5, DUP6, DUP7, DUP8, DUP9, DUP10, DUP11, DUP12, DUP13, DUP14, DUP15, DUP16: - n := int(op - DUP1 + 1) - stack.Dupn(n) - - self.Printf(" => [%d] 0x%x", n, stack.Peek().Bytes()) - case SWAP1, SWAP2, SWAP3, SWAP4, SWAP5, SWAP6, SWAP7, SWAP8, SWAP9, SWAP10, SWAP11, SWAP12, SWAP13, SWAP14, SWAP15, SWAP16: - n := int(op - SWAP1 + 2) - x, y := stack.Swapn(n) - - self.Printf(" => [%d] %x [0] %x", n, x.Bytes(), y.Bytes()) - case LOG0, LOG1, LOG2, LOG3, LOG4: - n := int(op - LOG0) - topics := make([][]byte, n) - mSize, mStart := stack.Popn() - for i := 0; i < n; i++ { - topics[i] = ethutil.LeftPadBytes(stack.Pop().Bytes(), 32) - } - - data := mem.Get(mStart.Int64(), mSize.Int64()) - log := &Log{context.Address(), topics, data} - self.env.AddLog(log) - - self.Printf(" => %v", log) - case MLOAD: - offset := stack.Pop() - val := ethutil.BigD(mem.Get(offset.Int64(), 32)) - stack.Push(val) - - self.Printf(" => 0x%x", val.Bytes()) - case MSTORE: // Store the value at stack top-1 in to memory at location stack top - // Pop value of the stack - val, mStart := stack.Popn() - mem.Set(mStart.Uint64(), 32, ethutil.BigToBytes(val, 256)) - - self.Printf(" => 0x%x", val) - case MSTORE8: - off := stack.Pop() - val := stack.Pop() - - mem.store[off.Int64()] = byte(val.Int64() & 0xff) - - self.Printf(" => [%v] 0x%x", off, val) - case SLOAD: - loc := stack.Pop() - val := ethutil.BigD(statedb.GetState(context.Address(), loc.Bytes())) - stack.Push(val) - - self.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes()) - case SSTORE: - val, loc := stack.Popn() - statedb.SetState(context.Address(), loc.Bytes(), val) - - msg.AddStorageChange(loc.Bytes()) - - self.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes()) - case JUMP: - jump(pc, stack.Pop()) - - continue - case JUMPI: - cond, pos := stack.Popn() - - if cond.Cmp(ethutil.BigTrue) >= 0 { - jump(pc, pos) - - continue - } - - case JUMPDEST: - case PC: - stack.Push(big.NewInt(int64(pc))) - case MSIZE: - stack.Push(big.NewInt(int64(mem.Len()))) - case GAS: - stack.Push(context.Gas) - // 0x60 range - case CREATE: - - var ( - value = stack.Pop() - size, offset = stack.Popn() - input = mem.Get(offset.Int64(), size.Int64()) - gas = new(big.Int).Set(context.Gas) - addr []byte - ) - - context.UseGas(context.Gas) - ret, suberr, ref := self.env.Create(context, nil, input, gas, price, value) - if suberr != nil { - stack.Push(ethutil.BigFalse) - - self.Printf(" (*) 0x0 %v", suberr) - } else { - - // gas < len(ret) * CreateDataGas == NO_CODE - dataGas := big.NewInt(int64(len(ret))) - dataGas.Mul(dataGas, GasCreateByte) - if context.UseGas(dataGas) { - ref.SetCode(ret) - msg.Output = ret - } - addr = ref.Address() - - stack.Push(ethutil.BigD(addr)) - - self.Printf(" (*) %x", addr) - } - - // Debug hook - if self.Dbg != nil { - self.Dbg.SetCode(context.Code) - } - case CALL, CALLCODE: - self.Endl() - - gas := stack.Pop() - // Pop gas and value of the stack. - value, addr := stack.Popn() - // Pop input size and offset - inSize, inOffset := stack.Popn() - // Pop return size and offset - retSize, retOffset := stack.Popn() - - // Get the arguments from the memory - args := mem.Get(inOffset.Int64(), inSize.Int64()) - - var ( - ret []byte - err error - ) - if op == CALLCODE { - ret, err = self.env.CallCode(context, addr.Bytes(), args, gas, price, value) - } else { - ret, err = self.env.Call(context, addr.Bytes(), args, gas, price, value) - } - - if err != nil { - stack.Push(ethutil.BigFalse) - - vmlogger.Debugln(err) - } else { - stack.Push(ethutil.BigTrue) - msg.Output = ret - - mem.Set(retOffset.Uint64(), retSize.Uint64(), ret) - } - self.Printf("resume %x (%v)", context.Address(), context.Gas) - - // Debug hook - if self.Dbg != nil { - self.Dbg.SetCode(context.Code) - } - - case RETURN: - size, offset := stack.Popn() - ret := mem.Get(offset.Int64(), size.Int64()) - - self.Printf(" => [%v, %v] (%d) 0x%x", offset, size, len(ret), ret).Endl() - - return context.Return(ret), nil - case SUICIDE: - receiver := statedb.GetOrNewStateObject(stack.Pop().Bytes()) - balance := statedb.GetBalance(context.Address()) - - self.Printf(" => (%x) %v", receiver.Address()[:4], balance) - - receiver.AddAmount(balance) - statedb.Delete(context.Address()) - - fallthrough - case STOP: // Stop the context - self.Endl() - - return context.Return(nil), nil - default: - vmlogger.Debugf("(pc) %-3v Invalid opcode %x\n", pc, op) - - panic(fmt.Errorf("Invalid opcode %x", op)) - } - - pc++ - - self.Endl() - - if self.Dbg != nil { - for _, instrNo := range self.Dbg.BreakPoints() { - if pc == uint64(instrNo) { - self.Stepping = true - - if !self.Dbg.BreakHook(prevStep, op, mem, stack, statedb.GetStateObject(context.Address())) { - return nil, nil - } - } else if self.Stepping { - if !self.Dbg.StepHook(prevStep, op, mem, stack, statedb.GetStateObject(context.Address())) { - return nil, nil - } - } - } - } - - } -} - -func (self *DebugVm) calculateGasAndSize(context *Context, caller ContextRef, op OpCode, statedb *state.StateDB, mem *Memory, stack *Stack) (*big.Int, *big.Int) { - gas := new(big.Int) - addStepGasUsage := func(amount *big.Int) { - if amount.Cmp(ethutil.Big0) >= 0 { - gas.Add(gas, amount) - } - } - - addStepGasUsage(GasStep) - - var newMemSize *big.Int = ethutil.Big0 - var additionalGas *big.Int = new(big.Int) - // Stack Check, memory resize & gas phase - switch op { - // Stack checks only - case ISZERO, CALLDATALOAD, POP, JUMP, NOT: // 1 - stack.require(1) - case JUMPI, ADD, SUB, DIV, SDIV, MOD, SMOD, LT, GT, SLT, SGT, EQ, AND, OR, XOR, BYTE, SIGNEXTEND: // 2 - stack.require(2) - case ADDMOD, MULMOD: // 3 - stack.require(3) - case SWAP1, SWAP2, SWAP3, SWAP4, SWAP5, SWAP6, SWAP7, SWAP8, SWAP9, SWAP10, SWAP11, SWAP12, SWAP13, SWAP14, SWAP15, SWAP16: - n := int(op - SWAP1 + 2) - stack.require(n) - case DUP1, DUP2, DUP3, DUP4, DUP5, DUP6, DUP7, DUP8, DUP9, DUP10, DUP11, DUP12, DUP13, DUP14, DUP15, DUP16: - n := int(op - DUP1 + 1) - stack.require(n) - case LOG0, LOG1, LOG2, LOG3, LOG4: - n := int(op - LOG0) - stack.require(n + 2) - - gas.Set(GasLog) - addStepGasUsage(new(big.Int).Mul(big.NewInt(int64(n)), GasLog)) - - mSize, mStart := stack.Peekn() - addStepGasUsage(mSize) - - newMemSize = calcMemSize(mStart, mSize) - case EXP: - stack.require(2) - - gas.Set(big.NewInt(int64(len(stack.data[stack.Len()-2].Bytes()) + 1))) - // Gas only - case STOP: - gas.Set(ethutil.Big0) - case SUICIDE: - stack.require(1) - - gas.Set(ethutil.Big0) - case SLOAD: - stack.require(1) - - gas.Set(GasSLoad) - // Memory resize & Gas - case SSTORE: - stack.require(2) - - var mult *big.Int - y, x := stack.Peekn() - val := statedb.GetState(context.Address(), x.Bytes()) - if len(val) == 0 && len(y.Bytes()) > 0 { - // 0 => non 0 - mult = ethutil.Big3 - } else if len(val) > 0 && len(y.Bytes()) == 0 { - statedb.Refund(caller.Address(), GasSStoreRefund) - - mult = ethutil.Big0 - } else { - // non 0 => non 0 (or 0 => 0) - mult = ethutil.Big1 - } - gas.Set(new(big.Int).Mul(mult, GasSStore)) - case BALANCE: - stack.require(1) - gas.Set(GasBalance) - case MSTORE: - stack.require(2) - newMemSize = calcMemSize(stack.Peek(), u256(32)) - case MLOAD: - stack.require(1) - - newMemSize = calcMemSize(stack.Peek(), u256(32)) - case MSTORE8: - stack.require(2) - newMemSize = calcMemSize(stack.Peek(), u256(1)) - case RETURN: - stack.require(2) - - newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-2]) - case SHA3: - stack.require(2) - gas.Set(GasSha) - newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-2]) - additionalGas.Set(stack.data[stack.Len()-2]) - case CALLDATACOPY: - stack.require(2) - - newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-3]) - additionalGas.Set(stack.data[stack.Len()-3]) - case CODECOPY: - stack.require(3) - - newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-3]) - additionalGas.Set(stack.data[stack.Len()-3]) - case EXTCODECOPY: - stack.require(4) - - newMemSize = calcMemSize(stack.data[stack.Len()-2], stack.data[stack.Len()-4]) - additionalGas.Set(stack.data[stack.Len()-4]) - case CALL, CALLCODE: - stack.require(7) - gas.Set(GasCall) - addStepGasUsage(stack.data[stack.Len()-1]) - - 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) - case CREATE: - stack.require(3) - gas.Set(GasCreate) - - newMemSize = calcMemSize(stack.data[stack.Len()-2], stack.data[stack.Len()-3]) - } - - switch op { - case CALLDATACOPY, CODECOPY, EXTCODECOPY: - additionalGas.Add(additionalGas, u256(31)) - additionalGas.Div(additionalGas, u256(32)) - addStepGasUsage(additionalGas) - case SHA3: - additionalGas.Add(additionalGas, u256(31)) - additionalGas.Div(additionalGas, u256(32)) - additionalGas.Mul(additionalGas, GasSha3Byte) - addStepGasUsage(additionalGas) - } - - if newMemSize.Cmp(ethutil.Big0) > 0 { - newMemSize.Add(newMemSize, u256(31)) - newMemSize.Div(newMemSize, u256(32)) - newMemSize.Mul(newMemSize, u256(32)) - - if newMemSize.Cmp(u256(int64(mem.Len()))) > 0 { - memGasUsage := new(big.Int).Sub(newMemSize, u256(int64(mem.Len()))) - memGasUsage.Mul(GasMemory, memGasUsage) - memGasUsage.Div(memGasUsage, u256(32)) - - addStepGasUsage(memGasUsage) - } - - } - - return newMemSize, gas -} - -func (self *DebugVm) RunPrecompiled(p *PrecompiledAccount, callData []byte, context *Context) (ret []byte, err error) { - gas := p.Gas(len(callData)) - if context.UseGas(gas) { - ret = p.Call(callData) - self.Printf("NATIVE_FUNC => %x", ret) - self.Endl() - - return context.Return(ret), nil - } else { - self.Printf("NATIVE_FUNC => failed").Endl() - - tmp := new(big.Int).Set(context.Gas) - - panic(OOG(gas, tmp).Error()) - } -} - -func (self *DebugVm) Printf(format string, v ...interface{}) VirtualMachine { - if self.logTy == LogTyPretty { - self.logStr += fmt.Sprintf(format, v...) - } - - return self -} - -func (self *DebugVm) Endl() VirtualMachine { - if self.logTy == LogTyPretty { - vmlogger.Debugln(self.logStr) - self.logStr = "" - } - - return self -} - -func (self *DebugVm) Env() Environment { - return self.env -} -- cgit v1.2.3