Merge branch 'develop' into poc8

cmd/utils/vm_env.go

@@ -49,9 +49,7 @@ func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) error {
 }
 
 func (self *VMEnv) vm(addr, data []byte, gas, price, value *big.Int) *core.Execution {
-	evm := vm.New(self, vm.DebugVmTy)
-
-	return core.NewExecution(evm, addr, data, gas, price, value)
+	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) {

core/execution.go

@@ -16,8 +16,10 @@ type Execution struct {
 	SkipTransfer      bool
 }
 
-func NewExecution(vm vm.VirtualMachine, address, input []byte, gas, gasPrice, value *big.Int) *Execution {
-	return &Execution{vm: vm, address: address, input: input, Gas: gas, price: gasPrice, value: value}
+func NewExecution(env vm.Environment, address, input []byte, gas, gasPrice, value *big.Int) *Execution {
+	evm := vm.New(env, vm.DebugVmTy)
+
+	return &Execution{vm: evm, address: address, input: input, Gas: gas, price: gasPrice, value: value}
 }
 
 func (self *Execution) Addr() []byte {

core/vm_env.go

@@ -43,9 +43,7 @@ func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) error {
 }
 
 func (self *VMEnv) vm(addr, data []byte, gas, price, value *big.Int) *Execution {
-	evm := vm.New(self, vm.DebugVmTy)
-
-	return NewExecution(evm, addr, data, gas, price, value)
+	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) {

tests/helper/vm.go

@@ -68,8 +68,7 @@ func (self *Env) Transfer(from, to vm.Account, amount *big.Int) error {
 }
 
 func (self *Env) vm(addr, data []byte, gas, price, value *big.Int) *core.Execution {
-	evm := vm.New(self, vm.DebugVmTy)
-	exec := core.NewExecution(evm, addr, data, gas, price, value)
+	exec := core.NewExecution(self, addr, data, gas, price, value)
 	exec.SkipTransfer = self.skipTransfer
 
 	return exec

vm/closure.go

@@ -3,7 +3,6 @@ package vm
 import (
 	"math/big"
 
-	"github.com/ethereum/go-ethereum/ethutil"
 	"github.com/ethereum/go-ethereum/state"
 )
 
@@ -11,8 +10,6 @@ type ClosureRef interface {
 	ReturnGas(*big.Int, *big.Int)
 	Address() []byte
 	SetCode([]byte)
-	GetStorage(*big.Int) *ethutil.Value
-	SetStorage(*big.Int, *ethutil.Value)
 }
 
 type Closure struct {
@@ -41,10 +38,6 @@ func NewClosure(msg *state.Message, caller ClosureRef, object ClosureRef, code [
 	return c
 }
 
-func (c *Closure) GetValue(x uint64) *ethutil.Value {
-	return c.GetRangeValue(x, 1)
-}
-
 func (c *Closure) GetOp(x uint64) OpCode {
 	return OpCode(c.GetByte(x))
 }
@@ -65,30 +58,12 @@ func (c *Closure) GetBytes(x, y int) []byte {
 	return c.Code[x : x+y]
 }
 
-func (c *Closure) GetRangeValue(x, y uint64) *ethutil.Value {
+func (c *Closure) GetRangeValue(x, y uint64) []byte {
 	if x >= uint64(len(c.Code)) || y >= uint64(len(c.Code)) {
-		return ethutil.NewValue(0)
-	}
-
-	partial := c.Code[x : x+y]
-
-	return ethutil.NewValue(partial)
-}
-
-/*
- * State storage functions
- */
-func (c *Closure) SetStorage(x *big.Int, val *ethutil.Value) {
-	c.object.SetStorage(x, val)
-}
-
-func (c *Closure) GetStorage(x *big.Int) *ethutil.Value {
-	m := c.object.GetStorage(x)
-	if m == nil {
-		return ethutil.EmptyValue()
+		return nil
 	}
 
-	return m
+	return c.Code[x : x+y]
 }
 
 func (c *Closure) Return(ret []byte) []byte {
@@ -123,10 +98,6 @@ func (c *Closure) ReturnGas(gas, price *big.Int) {
 /*
  * Set / Get
  */
-func (c *Closure) Caller() ClosureRef {
-	return c.caller
-}
-
 func (c *Closure) Address() []byte {
 	return c.object.Address()
 }

vm/vm_debug.go

@@ -181,7 +181,6 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price *
 
 			var mult *big.Int
 			y, x := stack.Peekn()
-			//val := closure.GetStorage(x)
 			val := statedb.GetState(closure.Address(), x.Bytes())
 			if len(val) == 0 && len(y.Bytes()) > 0 {
 				// 0 => non 0
@@ -714,8 +713,7 @@ 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)
-			data := closure.GetRangeValue(pc+1, a)
-			val := ethutil.BigD(data.Bytes())
+			val := ethutil.BigD(closure.GetRangeValue(pc+1, a))
 			// Push value to stack
 			stack.Push(val)
 			pc += a
@@ -723,7 +721,7 @@ func (self *DebugVm) Run(me, caller ClosureRef, code []byte, value, gas, price *
 
 			step += int(op) - int(PUSH1) + 1
 
-			self.Printf(" => 0x%x", data.Bytes())
+			self.Printf(" => 0x%x", val.Bytes())
 		case POP:
 			stack.Pop()
 		case DUP1, DUP2, DUP3, DUP4, DUP5, DUP6, DUP7, DUP8, DUP9, DUP10, DUP11, DUP12, DUP13, DUP14, DUP15, DUP16:

xeth/vm_env.go

@@ -47,9 +47,7 @@ func (self *VMEnv) Transfer(from, to vm.Account, amount *big.Int) error {
 }
 
 func (self *VMEnv) vm(addr, data []byte, gas, price, value *big.Int) *core.Execution {
-	evm := vm.New(self, vm.DebugVmTy)
-
-	return core.NewExecution(evm, addr, data, gas, price, value)
+	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) {