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Closure => Context

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pull/229/merge
obscuren 10 years ago
parent e2d1d832ef
commit 4dc7ee9087
13 changed files with 107 additions and 119 deletions
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  1. 6
      cmd/evm/main.go
  2. 6
      cmd/utils/vm_env.go
  3. 20
      core/chain_manager.go
  4. 6
      core/execution.go
  5. 2
      core/state_transition.go
  6. 6
      core/vm_env.go
  7. 6
      tests/helper/vm.go
  8. 34
      vm/context.go
  9. 6
      vm/environment.go
  10. 2
      vm/virtual_machine.go
  11. 2
      vm/vm.go
  12. 124
      vm/vm_debug.go
  13. 6
      xeth/vm_env.go

6
cmd/evm/main.go
Unescape View File

@ -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)
}

6
cmd/utils/vm_env.go
Unescape View File

@ -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)
}

20
core/chain_manager.go
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@ -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)

6
core/execution.go
Unescape View File

@ -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)

2
core/state_transition.go
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@ -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)

6
core/vm_env.go
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@ -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)
}

6
tests/helper/vm.go
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@ -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)
}

34
vm/closure.go → vm/context.go
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@ -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
}

6
vm/environment.go
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@ -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 {

2
vm/virtual_machine.go
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@ -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
}

2
vm/vm.go
Unescape View File

@ -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")
}

124
vm/vm_debug.go
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@ -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)
}
}

6
xeth/vm_env.go
Unescape View File

@ -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)
}

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