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Removed more casts

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This commit is contained in:
obscuren 2015-03-19 22:45:03 +01:00
parent 013427bde2
commit df5901fdc5
5 changed files with 14 additions and 24 deletions
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3
cmd/ethtest/main.go
View File

@ -24,7 +24,6 @@ package main
import (
"bytes"
"encoding/json"
"fmt"
"io"
"io/ioutil"
"log"
@ -210,7 +209,7 @@ func RunVmTest(r io.Reader) (failed int) {
}
if failed == 1 {
fmt.Println(string(statedb.Dump()))
helper.Log.Infoln(string(statedb.Dump()))
}
logger.Flush()

4
common/big.go
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@ -104,7 +104,7 @@ func BigCopy(src *big.Int) *big.Int {
//
// Returns the maximum size big integer
func BigMax(x, y *big.Int) *big.Int {
if x.Cmp(y) <= 0 {
if x.Cmp(y) < 0 {
return y
}
@ -115,7 +115,7 @@ func BigMax(x, y *big.Int) *big.Int {
//
// Returns the minimum size big integer
func BigMin(x, y *big.Int) *big.Int {
if x.Cmp(y) >= 0 {
if x.Cmp(y) > 0 {
return y
}

9
vm/common.go
View File

@ -73,9 +73,10 @@ func toValue(val *big.Int) interface{} {
return val
}
func getData(data []byte, start, size uint64) []byte {
x := uint64(math.Min(float64(start), float64(len(data))))
y := uint64(math.Min(float64(x+size), float64(len(data))))
func getData(data []byte, start, size *big.Int) []byte {
dlen := big.NewInt(int64(len(data)))
return common.RightPadBytes(data[x:y], int(size))
s := common.BigMin(start, dlen)
e := common.BigMin(new(big.Int).Add(s, size), dlen)
return common.RightPadBytes(data[s.Uint64():e.Uint64()], int(size.Uint64()))
}

4
vm/context.go
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@ -64,10 +64,6 @@ func (c *Context) GetRangeValue(x, size uint64) []byte {
return common.RightPadBytes(c.Code[x:y], int(size))
}
func (c *Context) GetCode(x, size uint64) []byte {
return getData(c.Code, x, size)
}
func (c *Context) Return(ret []byte) []byte {
// Return the remaining gas to the caller
c.caller.ReturnGas(c.Gas, c.Price)

18
vm/vm.go
View File

@ -445,14 +445,11 @@ func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
cOff = stack.pop()
l = stack.pop()
)
var data []byte
if cOff.Cmp(big.NewInt(int64(len(callData)))) <= 0 {
data = getData(callData, cOff.Uint64(), l.Uint64())
}
data := getData(callData, cOff, l)
mem.Set(mOff.Uint64(), l.Uint64(), data)
self.Printf(" => [%v, %v, %v] %x", mOff, cOff, l, data)
self.Printf(" => [%v, %v, %v]", mOff, cOff, l)
case CODESIZE, EXTCODESIZE:
var code []byte
if op == EXTCODESIZE {
@ -482,10 +479,7 @@ func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
l = stack.pop()
)
var codeCopy []byte
if cOff.Cmp(big.NewInt(int64(len(code)))) <= 0 {
codeCopy = getData(code, cOff.Uint64(), l.Uint64())
}
codeCopy := getData(code, cOff, l)
mem.Set(mOff.Uint64(), l.Uint64(), codeCopy)
@ -585,11 +579,11 @@ func (self *Vm) Run(context *Context, callData []byte) (ret []byte, err error) {
self.Printf(" => 0x%x", val)
case MSTORE8:
off, val := stack.pop(), stack.pop()
off, val := stack.pop().Int64(), stack.pop().Int64()
mem.store[off.Int64()] = byte(val.Int64() & 0xff)
mem.store[off] = byte(val & 0xff)
self.Printf(" => [%v] 0x%x", off, val)
self.Printf(" => [%v] 0x%x", off, mem.store[off])
case SLOAD:
loc := common.BigToHash(stack.pop())
val := common.Bytes2Big(statedb.GetState(context.Address(), loc))