From 4dc7ee90879d7146c9e5004c04992c90ad78f632 Mon Sep 17 00:00:00 2001 From: obscuren Date: Fri, 2 Jan 2015 16:14:12 +0100 Subject: [PATCH] Closure => Context --- cmd/evm/main.go | 6 +- cmd/utils/vm_env.go | 6 +- core/chain_manager.go | 20 ------ core/execution.go | 6 +- core/state_transition.go | 2 +- core/vm_env.go | 6 +- tests/helper/vm.go | 6 +- vm/{closure.go => context.go} | 34 +++++----- vm/environment.go | 6 +- vm/virtual_machine.go | 2 +- vm/vm.go | 2 +- vm/vm_debug.go | 124 ++++++++++++++++++---------------- xeth/vm_env.go | 6 +- 13 files changed, 107 insertions(+), 119 deletions(-) rename vm/{closure.go => context.go} (65%) diff --git a/cmd/evm/main.go b/cmd/evm/main.go index 66bba72893..31b7da3c82 100644 --- a/cmd/evm/main.go +++ b/cmd/evm/main.go @@ -144,19 +144,19 @@ func (self *VMEnv) vm(addr, data []byte, gas, price, value *big.Int) *core.Execu return core.NewExecution(self, addr, data, gas, price, value) } -func (self *VMEnv) Call(caller vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { +func (self *VMEnv) Call(caller vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { exe := self.vm(addr, data, gas, price, value) ret, err := exe.Call(addr, caller) self.Gas = exe.Gas return ret, err } -func (self *VMEnv) CallCode(caller vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { +func (self *VMEnv) CallCode(caller vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { exe := self.vm(caller.Address(), data, gas, price, value) return exe.Call(addr, caller) } -func (self *VMEnv) Create(caller vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ClosureRef) { +func (self *VMEnv) Create(caller vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ContextRef) { exe := self.vm(addr, data, gas, price, value) return exe.Create(caller) } diff --git a/cmd/utils/vm_env.go b/cmd/utils/vm_env.go index be6249e82d..19091bdc5d 100644 --- a/cmd/utils/vm_env.go +++ b/cmd/utils/vm_env.go @@ -52,19 +52,19 @@ func (self *VMEnv) vm(addr, data []byte, gas, price, value *big.Int) *core.Execu return core.NewExecution(self, addr, data, gas, price, value) } -func (self *VMEnv) Call(caller vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { +func (self *VMEnv) Call(caller vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { exe := self.vm(addr, data, gas, price, value) ret, err := exe.Call(addr, caller) self.Gas = exe.Gas return ret, err } -func (self *VMEnv) CallCode(caller vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { +func (self *VMEnv) CallCode(caller vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { exe := self.vm(caller.Address(), data, gas, price, value) return exe.Call(addr, caller) } -func (self *VMEnv) Create(caller vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ClosureRef) { +func (self *VMEnv) Create(caller vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ContextRef) { exe := self.vm(addr, data, gas, price, value) return exe.Create(caller) } diff --git a/core/chain_manager.go b/core/chain_manager.go index d623c170bc..ece98d7830 100644 --- a/core/chain_manager.go +++ b/core/chain_manager.go @@ -20,26 +20,6 @@ type StateQuery interface { GetAccount(addr []byte) *state.StateObject } -/* -func AddTestNetFunds(block *types.Block) { - for _, addr := range []string{ - "51ba59315b3a95761d0863b05ccc7a7f54703d99", - "e4157b34ea9615cfbde6b4fda419828124b70c78", - "b9c015918bdaba24b4ff057a92a3873d6eb201be", - "6c386a4b26f73c802f34673f7248bb118f97424a", - "cd2a3d9f938e13cd947ec05abc7fe734df8dd826", - "2ef47100e0787b915105fd5e3f4ff6752079d5cb", - "e6716f9544a56c530d868e4bfbacb172315bdead", - "1a26338f0d905e295fccb71fa9ea849ffa12aaf4", - } { - codedAddr := ethutil.Hex2Bytes(addr) - account := block.State().GetAccount(codedAddr) - account.SetBalance(ethutil.Big("1606938044258990275541962092341162602522202993782792835301376")) //ethutil.BigPow(2, 200) - block.State().UpdateStateObject(account) - } -} -*/ - func CalcDifficulty(block, parent *types.Block) *big.Int { diff := new(big.Int) diff --git a/core/execution.go b/core/execution.go index b7eead0dd3..a7bb596516 100644 --- a/core/execution.go +++ b/core/execution.go @@ -24,14 +24,14 @@ func (self *Execution) Addr() []byte { return self.address } -func (self *Execution) Call(codeAddr []byte, caller vm.ClosureRef) ([]byte, error) { +func (self *Execution) Call(codeAddr []byte, caller vm.ContextRef) ([]byte, error) { // Retrieve the executing code code := self.env.State().GetCode(codeAddr) return self.exec(code, codeAddr, caller) } -func (self *Execution) exec(code, contextAddr []byte, caller vm.ClosureRef) (ret []byte, err error) { +func (self *Execution) exec(code, contextAddr []byte, caller vm.ContextRef) (ret []byte, err error) { env := self.env evm := vm.New(env, vm.DebugVmTy) @@ -63,7 +63,7 @@ func (self *Execution) exec(code, contextAddr []byte, caller vm.ClosureRef) (ret return } -func (self *Execution) Create(caller vm.ClosureRef) (ret []byte, err error, account *state.StateObject) { +func (self *Execution) Create(caller vm.ContextRef) (ret []byte, err error, account *state.StateObject) { ret, err = self.exec(self.input, nil, caller) account = self.env.State().GetStateObject(self.address) diff --git a/core/state_transition.go b/core/state_transition.go index 7b7026c298..91cfd5fe3b 100644 --- a/core/state_transition.go +++ b/core/state_transition.go @@ -184,7 +184,7 @@ func (self *StateTransition) TransitionState() (ret []byte, err error) { } vmenv := self.VmEnv() - var ref vm.ClosureRef + var ref vm.ContextRef if MessageCreatesContract(msg) { contract := MakeContract(msg, self.state) ret, err, ref = vmenv.Create(sender, contract.Address(), self.msg.Data(), self.gas, self.gasPrice, self.value) diff --git a/core/vm_env.go b/core/vm_env.go index 209115eabf..4e0315ff3b 100644 --- a/core/vm_env.go +++ b/core/vm_env.go @@ -46,16 +46,16 @@ func (self *VMEnv) vm(addr, data []byte, gas, price, value *big.Int) *Execution return NewExecution(self, addr, data, gas, price, value) } -func (self *VMEnv) Call(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { +func (self *VMEnv) Call(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { exe := self.vm(addr, data, gas, price, value) return exe.Call(addr, me) } -func (self *VMEnv) CallCode(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { +func (self *VMEnv) CallCode(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { exe := self.vm(me.Address(), data, gas, price, value) return exe.Call(addr, me) } -func (self *VMEnv) Create(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ClosureRef) { +func (self *VMEnv) Create(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ContextRef) { exe := self.vm(addr, data, gas, price, value) return exe.Create(me) } diff --git a/tests/helper/vm.go b/tests/helper/vm.go index e174e0892e..aa17313b77 100644 --- a/tests/helper/vm.go +++ b/tests/helper/vm.go @@ -74,19 +74,19 @@ func (self *Env) vm(addr, data []byte, gas, price, value *big.Int) *core.Executi return exec } -func (self *Env) Call(caller vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { +func (self *Env) Call(caller vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { exe := self.vm(addr, data, gas, price, value) ret, err := exe.Call(addr, caller) self.Gas = exe.Gas return ret, err } -func (self *Env) CallCode(caller vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { +func (self *Env) CallCode(caller vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { exe := self.vm(caller.Address(), data, gas, price, value) return exe.Call(addr, caller) } -func (self *Env) Create(caller vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ClosureRef) { +func (self *Env) Create(caller vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ContextRef) { exe := self.vm(addr, data, gas, price, value) return exe.Create(caller) } diff --git a/vm/closure.go b/vm/context.go similarity index 65% rename from vm/closure.go rename to vm/context.go index df216f2aed..ccbadabdaa 100644 --- a/vm/closure.go +++ b/vm/context.go @@ -8,15 +8,15 @@ import ( "github.com/ethereum/go-ethereum/state" ) -type ClosureRef interface { +type ContextRef interface { ReturnGas(*big.Int, *big.Int) Address() []byte SetCode([]byte) } -type Closure struct { - caller ClosureRef - object ClosureRef +type Context struct { + caller ContextRef + object ContextRef Code []byte message *state.Message @@ -25,9 +25,9 @@ type Closure struct { Args []byte } -// Create a new closure for the given data items -func NewClosure(msg *state.Message, caller ClosureRef, object ClosureRef, code []byte, gas, price *big.Int) *Closure { - c := &Closure{message: msg, caller: caller, object: object, Code: code, Args: nil} +// Create a new context for the given data items +func NewContext(msg *state.Message, caller ContextRef, object ContextRef, code []byte, gas, price *big.Int) *Context { + c := &Context{message: msg, caller: caller, object: object, Code: code, Args: nil} // Gas should be a pointer so it can safely be reduced through the run // This pointer will be off the state transition @@ -40,11 +40,11 @@ func NewClosure(msg *state.Message, caller ClosureRef, object ClosureRef, code [ return c } -func (c *Closure) GetOp(x uint64) OpCode { +func (c *Context) GetOp(x uint64) OpCode { return OpCode(c.GetByte(x)) } -func (c *Closure) GetByte(x uint64) byte { +func (c *Context) GetByte(x uint64) byte { if x < uint64(len(c.Code)) { return c.Code[x] } @@ -52,18 +52,18 @@ func (c *Closure) GetByte(x uint64) byte { return 0 } -func (c *Closure) GetBytes(x, y int) []byte { +func (c *Context) GetBytes(x, y int) []byte { return c.GetRangeValue(uint64(x), uint64(y)) } -func (c *Closure) GetRangeValue(x, size uint64) []byte { +func (c *Context) GetRangeValue(x, size uint64) []byte { x = uint64(math.Min(float64(x), float64(len(c.Code)))) y := uint64(math.Min(float64(x+size), float64(len(c.Code)))) return ethutil.LeftPadBytes(c.Code[x:y], int(size)) } -func (c *Closure) Return(ret []byte) []byte { +func (c *Context) Return(ret []byte) []byte { // Return the remaining gas to the caller c.caller.ReturnGas(c.Gas, c.Price) @@ -73,7 +73,7 @@ func (c *Closure) Return(ret []byte) []byte { /* * Gas functions */ -func (c *Closure) UseGas(gas *big.Int) bool { +func (c *Context) UseGas(gas *big.Int) bool { if c.Gas.Cmp(gas) < 0 { return false } @@ -86,8 +86,8 @@ func (c *Closure) UseGas(gas *big.Int) bool { } // Implement the caller interface -func (c *Closure) ReturnGas(gas, price *big.Int) { - // Return the gas to the closure +func (c *Context) ReturnGas(gas, price *big.Int) { + // Return the gas to the context c.Gas.Add(c.Gas, gas) c.UsedGas.Sub(c.UsedGas, gas) } @@ -95,10 +95,10 @@ func (c *Closure) ReturnGas(gas, price *big.Int) { /* * Set / Get */ -func (c *Closure) Address() []byte { +func (c *Context) Address() []byte { return c.object.Address() } -func (self *Closure) SetCode(code []byte) { +func (self *Context) SetCode(code []byte) { self.Code = code } diff --git a/vm/environment.go b/vm/environment.go index 969bc5e431..01bbd56cea 100644 --- a/vm/environment.go +++ b/vm/environment.go @@ -26,9 +26,9 @@ type Environment interface { Depth() int SetDepth(i int) - Call(me ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) - CallCode(me ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) - Create(me ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, ClosureRef) + Call(me ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) + CallCode(me ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) + Create(me ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, ContextRef) } type Object interface { diff --git a/vm/virtual_machine.go b/vm/virtual_machine.go index 3b6f98ab2e..23ac4878f6 100644 --- a/vm/virtual_machine.go +++ b/vm/virtual_machine.go @@ -4,7 +4,7 @@ import "math/big" type VirtualMachine interface { Env() Environment - Run(me, caller ClosureRef, code []byte, value, gas, price *big.Int, data []byte) ([]byte, error) + Run(me, caller ContextRef, code []byte, value, gas, price *big.Int, data []byte) ([]byte, error) Printf(string, ...interface{}) VirtualMachine Endl() VirtualMachine } diff --git a/vm/vm.go b/vm/vm.go index 22172cb3ae..a5ea297b32 100644 --- a/vm/vm.go +++ b/vm/vm.go @@ -20,7 +20,7 @@ func New(env Environment, typ Type) VirtualMachine { } } -func (self *Vm) Run(me, caller ClosureRef, code []byte, value, gas, price *big.Int, data []byte) (ret []byte, err error) { +func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.Int, data []byte) (ret []byte, err error) { panic("not implemented") } diff --git a/vm/vm_debug.go b/vm/vm_debug.go index 8829a9de0b..1b9c480f8a 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) } } diff --git a/xeth/vm_env.go b/xeth/vm_env.go index 7633e0640c..d2a21afd5d 100644 --- a/xeth/vm_env.go +++ b/xeth/vm_env.go @@ -50,16 +50,16 @@ func (self *VMEnv) vm(addr, data []byte, gas, price, value *big.Int) *core.Execu return core.NewExecution(self, addr, data, gas, price, value) } -func (self *VMEnv) Call(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { +func (self *VMEnv) Call(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { exe := self.vm(addr, data, gas, price, value) return exe.Call(addr, me) } -func (self *VMEnv) CallCode(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { +func (self *VMEnv) CallCode(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error) { exe := self.vm(me.Address(), data, gas, price, value) return exe.Call(addr, me) } -func (self *VMEnv) Create(me vm.ClosureRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ClosureRef) { +func (self *VMEnv) Create(me vm.ContextRef, addr, data []byte, gas, price, value *big.Int) ([]byte, error, vm.ContextRef) { exe := self.vm(addr, data, gas, price, value) return exe.Create(me) }