Closure => Context

1 files changed, 0 insertions, 104 deletions

diff --git a/vm/closure.go b/vm/closure.go
deleted file mode 100644
index df216f2ae..000000000
--- a/vm/closure.go
+++ /dev/null
@@ -1,104 +0,0 @@
-package vm
-
-import (
-	"math"
-	"math/big"
-
-	"github.com/ethereum/go-ethereum/ethutil"
-	"github.com/ethereum/go-ethereum/state"
-)
-
-type ClosureRef interface {
-	ReturnGas(*big.Int, *big.Int)
-	Address() []byte
-	SetCode([]byte)
-}
-
-type Closure struct {
-	caller  ClosureRef
-	object  ClosureRef
-	Code    []byte
-	message *state.Message
-
-	Gas, UsedGas, Price *big.Int
-
-	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}
-
-	// Gas should be a pointer so it can safely be reduced through the run
-	// This pointer will be off the state transition
-	c.Gas = gas //new(big.Int).Set(gas)
-	// In most cases price and value are pointers to transaction objects
-	// and we don't want the transaction's values to change.
-	c.Price = new(big.Int).Set(price)
-	c.UsedGas = new(big.Int)
-
-	return c
-}
-
-func (c *Closure) GetOp(x uint64) OpCode {
-	return OpCode(c.GetByte(x))
-}
-
-func (c *Closure) GetByte(x uint64) byte {
-	if x < uint64(len(c.Code)) {
-		return c.Code[x]
-	}
-
-	return 0
-}
-
-func (c *Closure) GetBytes(x, y int) []byte {
-	return c.GetRangeValue(uint64(x), uint64(y))
-}
-
-func (c *Closure) 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 {
-	// Return the remaining gas to the caller
-	c.caller.ReturnGas(c.Gas, c.Price)
-
-	return ret
-}
-
-/*
- * Gas functions
- */
-func (c *Closure) UseGas(gas *big.Int) bool {
-	if c.Gas.Cmp(gas) < 0 {
-		return false
-	}
-
-	// Sub the amount of gas from the remaining
-	c.Gas.Sub(c.Gas, gas)
-	c.UsedGas.Add(c.UsedGas, gas)
-
-	return true
-}
-
-// Implement the caller interface
-func (c *Closure) ReturnGas(gas, price *big.Int) {
-	// Return the gas to the closure
-	c.Gas.Add(c.Gas, gas)
-	c.UsedGas.Sub(c.UsedGas, gas)
-}
-
-/*
- * Set / Get
- */
-func (c *Closure) Address() []byte {
-	return c.object.Address()
-}
-
-func (self *Closure) SetCode(code []byte) {
-	self.Code = code
-}