Closure => Context

ethereum · Jan 2, 2015 · 4dc7ee9 · 4dc7ee9
1 parent e2d1d83
commit 4dc7ee9
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Showing 13 changed files with 107 additions and 119 deletions.
diff --git 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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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
@@ -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 → vm/context.go b/vm/closure.go → 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
@@ -40,30 +40,30 @@ 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]
 	}
 
 	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
 	}
@@ -86,19 +86,19 @@ 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)
 }
 
 /*
  * 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
@@ -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
@@ -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
@@ -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")
 }