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Merge branch origin/develop into accounts-integration

Browse Source 
Conflicts:
	cmd/blocktest/main.go
	cmd/mist/debugger.go
	cmd/utils/cmd.go
This commit is contained in:
Felix Lange 2015-03-10 17:14:31 +01:00
commit 269cfbb8ac
19 changed files with 585 additions and 1029 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
cmd/blocktest/main.go
View File

@ -187,6 +187,9 @@ func loadBlocksFromTestFile(filePath string) (blocks types.Blocks, err error) {
} }
gb := types.NewBlockWithHeader(gbh) gb := types.NewBlockWithHeader(gbh)
//gb.uncles = *new([]*types.Header)
//gb.transactions = *new(types.Transactions)
gb.Td = new(big.Int)
gb.Reward = new(big.Int) gb.Reward = new(big.Int)
testBlock := new(types.Block) testBlock := new(types.Block)

43
cmd/ethereum/main.go
View File

@ -105,6 +105,11 @@ runtime will execute the file and exit.
Name: "import", Name: "import",
Usage: `import a blockchain file`, Usage: `import a blockchain file`,
}, },
{
Action: exportchain,
Name: "export",
Usage: `export blockchain into file`,
},
} }
app.Flags = []cli.Flag{ app.Flags = []cli.Flag{
utils.BootnodesFlag, utils.BootnodesFlag,
@ -232,25 +237,39 @@ func importchain(ctx *cli.Context) {
if len(ctx.Args()) != 1 { if len(ctx.Args()) != 1 {
utils.Fatalf("This command requires an argument.") utils.Fatalf("This command requires an argument.")
} }
chain, _, _ := utils.GetChain(ctx) chainmgr, _, _ := utils.GetChain(ctx)
start := time.Now() start := time.Now()
err := utils.ImportChain(chain, ctx.Args().First()) err := utils.ImportChain(chainmgr, ctx.Args().First())
if err != nil { if err != nil {
utils.Fatalf("Import error: %v\n", err) utils.Fatalf("Import error: %v\n", err)
} }
fmt.Printf("Import done in", time.Since(start)) fmt.Printf("Import done in %v", time.Since(start))
return
}
func exportchain(ctx *cli.Context) {
if len(ctx.Args()) != 1 {
utils.Fatalf("This command requires an argument.")
}
chainmgr, _, _ := utils.GetChain(ctx)
start := time.Now()
err := utils.ExportChain(chainmgr, ctx.Args().First())
if err != nil {
utils.Fatalf("Export error: %v\n", err)
}
fmt.Printf("Export done in %v", time.Since(start))
return return
} }
func dump(ctx *cli.Context) { func dump(ctx *cli.Context) {
chain, _, stateDb := utils.GetChain(ctx) chainmgr, _, stateDb := utils.GetChain(ctx)
for _, arg := range ctx.Args() { for _, arg := range ctx.Args() {
var block *types.Block var block *types.Block
if hashish(arg) { if hashish(arg) {
block = chain.GetBlock(ethutil.Hex2Bytes(arg)) block = chainmgr.GetBlock(ethutil.Hex2Bytes(arg))
} else { } else {
num, _ := strconv.Atoi(arg) num, _ := strconv.Atoi(arg)
block = chain.GetBlockByNumber(uint64(num)) block = chainmgr.GetBlockByNumber(uint64(num))
} }
if block == nil { if block == nil {
fmt.Println("{}") fmt.Println("{}")
@ -264,13 +283,15 @@ func dump(ctx *cli.Context) {
} }
func version(c *cli.Context) { func version(c *cli.Context) {
fmt.Printf(`%v %v fmt.Printf(`%v
PV=%d Version: %v
GOOS=%s Protocol Version: %d
GO=%s Network Id: %d
GO: %s
OS: %s
GOPATH=%s GOPATH=%s
GOROOT=%s GOROOT=%s
`, ClientIdentifier, Version, eth.ProtocolVersion, runtime.GOOS, runtime.Version(), os.Getenv("GOPATH"), runtime.GOROOT()) `, ClientIdentifier, Version, eth.ProtocolVersion, eth.NetworkId, runtime.Version(), runtime.GOOS, os.Getenv("GOPATH"), runtime.GOROOT())
} }
// hashish returns true for strings that look like hashes. // hashish returns true for strings that look like hashes.

25
cmd/mist/assets/qml/main.qml
View File

@ -199,13 +199,6 @@ ApplicationWindow {
Menu { Menu {
title: "Developer" title: "Developer"
MenuItem {
iconSource: "../icecream.png"
text: "Debugger"
shortcut: "Ctrl+d"
onTriggered: eth.startDebugger()
}
MenuItem { MenuItem {
text: "Import Tx" text: "Import Tx"
onTriggered: { onTriggered: {
@ -761,24 +754,6 @@ ApplicationWindow {
} }
} }
Rectangle {
height: 55
color: "transparent"
visible: true
Text {
text: "DEBUG"
font.family: sourceSansPro.name
font.weight: Font.DemiBold
anchors {
left: parent.left
top: parent.verticalCenter
leftMargin: 16
}
color: "#AAA0A0"
}
}
ColumnLayout { ColumnLayout {
id: menuLegacy id: menuLegacy
visible: true visible: true

17
cmd/mist/assets/qml/views/chain.qml
View File

@ -178,7 +178,6 @@ Rectangle {
} }
function showContractData(tx) { function showContractData(tx) {
txDetailsDebugButton.tx = tx
if(tx.createsContract) { if(tx.createsContract) {
contractData.text = tx.data contractData.text = tx.data
contractLabel.text = "<h4> Transaction created contract " + tx.address + "</h4>" contractLabel.text = "<h4> Transaction created contract " + tx.address + "</h4>"
@ -202,22 +201,6 @@ Rectangle {
id: contractLabel id: contractLabel
anchors.leftMargin: 10 anchors.leftMargin: 10
} }
Button {
property var tx
id: txDetailsDebugButton
anchors.right: parent.right
anchors.rightMargin: 10
anchors.top: parent.top
anchors.topMargin: 10
text: "Debug contract"
onClicked: {
if(tx && tx.createsContract){
eth.startDbWithCode(tx.rawData)
}else {
eth.startDbWithContractAndData(tx.address, tx.rawData)
}
}
}
TextArea { TextArea {
id: contractData id: contractData
text: "Contract" text: "Contract"

369
cmd/mist/debugger.go
View File

@ -1,369 +0,0 @@
/*
This file is part of go-ethereum
go-ethereum is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
go-ethereum is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
*/
/**
* @authors
* Jeffrey Wilcke <i@jev.io>
*/
package main
import (
"fmt"
"math/big"
"strconv"
"strings"
"unicode"
"github.com/ethereum/go-ethereum/cmd/utils"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/state"
"github.com/ethereum/go-ethereum/vm"
"github.com/obscuren/qml"
)
type DebuggerWindow struct {
win *qml.Window
engine *qml.Engine
lib *UiLib
vm *vm.Vm
Db *Debugger
state *state.StateDB
}
func NewDebuggerWindow(lib *UiLib) *DebuggerWindow {
engine := qml.NewEngine()
component, err := engine.LoadFile(lib.AssetPath("debugger/debugger.qml"))
if err != nil {
fmt.Println(err)
return nil
}
win := component.CreateWindow(nil)
w := &DebuggerWindow{engine: engine, win: win, lib: lib, vm: &vm.Vm{}}
w.Db = NewDebugger(w)
return w
}
func (self *DebuggerWindow) Show() {
context := self.engine.Context()
context.SetVar("dbg", self)
go func() {
self.win.Show()
self.win.Wait()
}()
}
func (self *DebuggerWindow) SetCode(code string) {
self.win.Set("codeText", code)
}
func (self *DebuggerWindow) SetData(data string) {
self.win.Set("dataText", data)
}
func (self *DebuggerWindow) SetAsm(data []byte) {
self.win.Root().Call("clearAsm")
dis := core.Disassemble(data)
for _, str := range dis {
self.win.Root().Call("setAsm", str)
}
}
func (self *DebuggerWindow) Compile(code string) {
var err error
script := ethutil.StringToByteFunc(code, func(s string) (ret []byte) {
ret, err = ethutil.Compile(s, true)
return
})
if err == nil {
self.SetAsm(script)
}
}
// Used by QML
func (self *DebuggerWindow) AutoComp(code string) {
if self.Db.done {
self.Compile(code)
}
}
func (self *DebuggerWindow) ClearLog() {
self.win.Root().Call("clearLog")
}
func (self *DebuggerWindow) Debug(valueStr, gasStr, gasPriceStr, scriptStr, dataStr string) {
self.Stop()
defer func() {
if r := recover(); r != nil {
self.Logf("compile FAULT: %v", r)
}
}()
data := utils.FormatTransactionData(dataStr)
var err error
script := ethutil.StringToByteFunc(scriptStr, func(s string) (ret []byte) {
ret, err = ethutil.Compile(s, false)
return
})
if err != nil {
self.Logln(err)
return
}
// TODO: improve this
allAccounts, _ := self.lib.eth.AccountManager().Accounts()
var (
gas = ethutil.Big(gasStr)
gasPrice = ethutil.Big(gasPriceStr)
value = ethutil.Big(valueStr)
acc = allAccounts[0]
)
statedb := self.lib.eth.ChainManager().TransState()
account := self.lib.eth.ChainManager().TransState().GetAccount(acc.Address)
contract := statedb.NewStateObject([]byte{0})
contract.SetCode(script)
contract.SetBalance(value)
self.SetAsm(script)
block := self.lib.eth.ChainManager().CurrentBlock()
msg := types.NewTransactionMessage(nil, value, gas, gasPrice, data)
env := core.NewEnv(statedb, self.lib.eth.ChainManager(), msg, block)
self.Logf("callsize %d", len(script))
go func() {
pgas := new(big.Int).Set(gas)
ret, err := env.Call(account, contract.Address(), data, gas, gasPrice, ethutil.Big0)
rgas := new(big.Int).Sub(pgas, gas)
tot := new(big.Int).Mul(rgas, gasPrice)
self.Logf("gas usage %v total price = %v (%v)", rgas, tot, ethutil.CurrencyToString(tot))
if err != nil {
self.Logln("exited with errors:", err)
} else {
if len(ret) > 0 {
self.Logf("exited: % x", ret)
} else {
self.Logf("exited: nil")
}
}
statedb.Reset()
if !self.Db.interrupt {
self.Db.done = true
} else {
self.Db.interrupt = false
}
}()
}
func (self *DebuggerWindow) Logf(format string, v ...interface{}) {
self.win.Root().Call("setLog", fmt.Sprintf(format, v...))
}
func (self *DebuggerWindow) Logln(v ...interface{}) {
str := fmt.Sprintln(v...)
self.Logf("%s", str[:len(str)-1])
}
func (self *DebuggerWindow) Next() {
self.Db.Next()
}
func (self *DebuggerWindow) Continue() {
self.vm.Stepping = false
self.Next()
}
func (self *DebuggerWindow) Stop() {
if !self.Db.done {
self.Db.Q <- true
}
}
func (self *DebuggerWindow) ExecCommand(command string) {
if len(command) > 0 {
cmd := strings.Split(command, " ")
switch cmd[0] {
case "help":
self.Logln("Debugger commands:")
self.Logln("break, bp Set breakpoint on instruction")
self.Logln("clear [log, break, bp] Clears previous set sub-command(s)")
case "break", "bp":
if len(cmd) > 1 {
lineNo, err := strconv.Atoi(cmd[1])
if err != nil {
self.Logln(err)
break
}
self.Db.breakPoints = append(self.Db.breakPoints, int64(lineNo))
self.Logf("break point set on instruction %d", lineNo)
} else {
self.Logf("'%s' requires line number", cmd[0])
}
case "clear":
if len(cmd) > 1 {
switch cmd[1] {
case "break", "bp":
self.Db.breakPoints = nil
self.Logln("Breakpoints cleared")
case "log":
self.ClearLog()
default:
self.Logf("clear '%s' is not valid", cmd[1])
}
} else {
self.Logln("'clear' requires sub command")
}
default:
self.Logf("Unknown command %s", cmd[0])
}
}
}
type Debugger struct {
N chan bool
Q chan bool
done, interrupt bool
breakPoints []int64
main *DebuggerWindow
win *qml.Window
}
func NewDebugger(main *DebuggerWindow) *Debugger {
db := &Debugger{make(chan bool), make(chan bool), true, false, nil, main, main.win}
return db
}
type storeVal struct {
Key, Value string
}
func (self *Debugger) Step(evm vm.VirtualMachine, op vm.OpCode, mem *vm.Memory, stack *vm.Stack, context *vm.Context) {
}
func (self *Debugger) BreakHook(pc int, op vm.OpCode, mem *vm.Memory, stack *vm.Stack, stateObject *state.StateObject) bool {
self.main.Logln("break on instr:", pc)
return self.halting(pc, op, mem, stack, stateObject)
}
func (self *Debugger) StepHook(pc int, op vm.OpCode, mem *vm.Memory, stack *vm.Stack, stateObject *state.StateObject) bool {
return self.halting(pc, op, mem, stack, stateObject)
}
func (self *Debugger) SetCode(byteCode []byte) {
self.main.SetAsm(byteCode)
}
func (self *Debugger) BreakPoints() []int64 {
return self.breakPoints
}
func (d *Debugger) halting(pc int, op vm.OpCode, mem *vm.Memory, stack *vm.Stack, stateObject *state.StateObject) bool {
d.win.Root().Call("setInstruction", pc)
d.win.Root().Call("clearMem")
d.win.Root().Call("clearStack")
d.win.Root().Call("clearStorage")
addr := 0
for i := 0; i+16 <= mem.Len(); i += 16 {
dat := mem.Data()[i : i+16]
var str string
for _, d := range dat {
if unicode.IsGraphic(rune(d)) {
str += string(d)
} else {
str += "?"
}
}
d.win.Root().Call("setMem", memAddr{fmt.Sprintf("%03d", addr), fmt.Sprintf("%s % x", str, dat)})
addr += 16
}
for _, val := range stack.Data() {
d.win.Root().Call("setStack", val.String())
}
it := stateObject.Trie().Iterator()
for it.Next() {
d.win.Root().Call("setStorage", storeVal{fmt.Sprintf("% x", it.Key), fmt.Sprintf("% x", it.Value)})
}
stackFrameAt := new(big.Int).SetBytes(mem.Get(0, 32))
psize := mem.Len() - int(new(big.Int).SetBytes(mem.Get(0, 32)).Uint64())
d.win.Root().ObjectByName("stackFrame").Set("text", fmt.Sprintf(`<b>stack ptr</b>: %v`, stackFrameAt))
d.win.Root().ObjectByName("stackSize").Set("text", fmt.Sprintf(`<b>stack size</b>: %d`, psize))
d.win.Root().ObjectByName("memSize").Set("text", fmt.Sprintf(`<b>mem size</b>: %v`, mem.Len()))
out:
for {
select {
case <-d.N:
break out
case <-d.Q:
d.interrupt = true
d.clearBuffers()
return false
}
}
return true
}
func (d *Debugger) clearBuffers() {
out:
// drain
for {
select {
case <-d.N:
case <-d.Q:
default:
break out
}
}
}
func (d *Debugger) Next() {
if !d.done {
d.N <- true
}
}

27
cmd/mist/ui_lib.go
View File

@ -47,9 +47,7 @@ type UiLib struct {
connected bool connected bool
assetPath string assetPath string
// The main application window // The main application window
win *qml.Window win *qml.Window
Db *Debugger
DbWindow *DebuggerWindow
jsEngine *javascript.JSRE jsEngine *javascript.JSRE
@ -126,29 +124,6 @@ func (ui *UiLib) AssetPath(p string) string {
return path.Join(ui.assetPath, p) return path.Join(ui.assetPath, p)
} }
func (self *UiLib) StartDbWithContractAndData(contractHash, data string) {
dbWindow := NewDebuggerWindow(self)
object := self.eth.ChainManager().State().GetStateObject(ethutil.Hex2Bytes(contractHash))
if len(object.Code()) > 0 {
dbWindow.SetCode(ethutil.Bytes2Hex(object.Code()))
}
dbWindow.SetData(data)
dbWindow.Show()
}
func (self *UiLib) StartDbWithCode(code string) {
dbWindow := NewDebuggerWindow(self)
dbWindow.SetCode(code)
dbWindow.Show()
}
func (self *UiLib) StartDebugger() {
dbWindow := NewDebuggerWindow(self)
dbWindow.Show()
}
func (self *UiLib) Transact(params map[string]interface{}) (string, error) { func (self *UiLib) Transact(params map[string]interface{}) (string, error) {
object := mapToTxParams(params) object := mapToTxParams(params)

50
cmd/utils/cmd.go
View File

@ -33,7 +33,6 @@ import (
"github.com/ethereum/go-ethereum/ethutil" "github.com/ethereum/go-ethereum/ethutil"
"github.com/ethereum/go-ethereum/logger" "github.com/ethereum/go-ethereum/logger"
"github.com/ethereum/go-ethereum/rlp" "github.com/ethereum/go-ethereum/rlp"
"github.com/ethereum/go-ethereum/state"
) )
var clilogger = logger.NewLogger("CLI") var clilogger = logger.NewLogger("CLI")
@ -123,6 +122,15 @@ func StartEthereum(ethereum *eth.Ethereum) {
}) })
} }
func StartEthereumForTest(ethereum *eth.Ethereum) {
clilogger.Infoln("Starting ", ethereum.Name())
ethereum.StartForTest()
RegisterInterrupt(func(sig os.Signal) {
ethereum.Stop()
logger.Flush()
})
}
func FormatTransactionData(data string) []byte { func FormatTransactionData(data string) []byte {
d := ethutil.StringToByteFunc(data, func(s string) (ret []byte) { d := ethutil.StringToByteFunc(data, func(s string) (ret []byte) {
slice := regexp.MustCompile("\\n|\\s").Split(s, 1000000000) slice := regexp.MustCompile("\\n|\\s").Split(s, 1000000000)
@ -136,27 +144,8 @@ func FormatTransactionData(data string) []byte {
return d return d
} }
// Replay block func ImportChain(chainmgr *core.ChainManager, fn string) error {
func BlockDo(ethereum *eth.Ethereum, hash []byte) error { fmt.Printf("importing blockchain '%s'\n", fn)
block := ethereum.ChainManager().GetBlock(hash)
if block == nil {
return fmt.Errorf("unknown block %x", hash)
}
parent := ethereum.ChainManager().GetBlock(block.ParentHash())
statedb := state.New(parent.Root(), ethereum.StateDb())
_, err := ethereum.BlockProcessor().TransitionState(statedb, parent, block, true)
if err != nil {
return err
}
return nil
}
func ImportChain(chain *core.ChainManager, fn string) error {
fmt.Printf("importing chain '%s'\n", fn)
fh, err := os.OpenFile(fn, os.O_RDONLY, os.ModePerm) fh, err := os.OpenFile(fn, os.O_RDONLY, os.ModePerm)
if err != nil { if err != nil {
return err return err
@ -168,11 +157,24 @@ func ImportChain(chain *core.ChainManager, fn string) error {
return err return err
} }
chain.Reset() chainmgr.Reset()
if err := chain.InsertChain(blocks); err != nil { if err := chainmgr.InsertChain(blocks); err != nil {
return err return err
} }
fmt.Printf("imported %d blocks\n", len(blocks)) fmt.Printf("imported %d blocks\n", len(blocks))
return nil return nil
} }
func ExportChain(chainmgr *core.ChainManager, fn string) error {
fmt.Printf("exporting blockchain '%s'\n", fn)
data := chainmgr.Export()
if err := ethutil.WriteFile(fn, data); err != nil {
return err
}
fmt.Printf("exported blockchain\n")
return nil
}

2
core/block_processor.go
View File

@ -261,7 +261,7 @@ func (sm *BlockProcessor) ValidateHeader(block, parent *types.Header) error {
} }
if block.Time <= parent.Time { if block.Time <= parent.Time {
return ValidationError("Block timestamp not after or equal to prev block (%v - %v)", block.Time, parent.Time) return ValidationError("Block timestamp equal or less than previous block (%v - %v)", block.Time, parent.Time)
} }
if int64(block.Time) > time.Now().Unix() { if int64(block.Time) > time.Now().Unix() {

11
eth/backend.go
View File

@ -260,6 +260,17 @@ func (s *Ethereum) Start() error {
return nil return nil
} }
func (s *Ethereum) StartForTest() {
jsonlogger.LogJson(&logger.LogStarting{
ClientString: s.net.Name,
ProtocolVersion: ProtocolVersion,
})
// Start services
s.txPool.Start()
s.blockPool.Start()
}
func (self *Ethereum) SuggestPeer(nodeURL string) error { func (self *Ethereum) SuggestPeer(nodeURL string) error {
n, err := discover.ParseNode(nodeURL) n, err := discover.ParseNode(nodeURL)
if err != nil { if err != nil {

58
ethutil/natspec/natspec.go
View File

@ -1,24 +1,21 @@
package natspec package natspec
import ( import (
"fmt"
"github.com/obscuren/otto" "github.com/obscuren/otto"
"io/ioutil"
) )
type NatSpec struct { type NatSpec struct {
jsvm *otto.Otto jsvm *otto.Otto
} }
func NewNATSpec(transaction string) (self *NatSpec, err error) { // TODO: should initialise with abi and userdoc jsons
func New() (self *NatSpec, err error) {
self = new(NatSpec) self = new(NatSpec)
self.jsvm = otto.New() self.jsvm = otto.New()
code, err := ioutil.ReadFile("natspec.js")
if err != nil {
return
}
_, err = self.jsvm.Run(string(code)) _, err = self.jsvm.Run(natspecJS)
if err != nil { if err != nil {
return return
} }
@ -27,39 +24,40 @@ func NewNATSpec(transaction string) (self *NatSpec, err error) {
return return
} }
self.jsvm.Run("var transaction = " + transaction + ";")
return return
} }
func (self *NatSpec) SetDescription(desc string) (err error) { func (self *NatSpec) Notice(transaction, abi, method, expression string) (string, error) {
var err error
if _, err = self.jsvm.Run("var transaction = " + transaction + ";"); err != nil {
return "", fmt.Errorf("natspec.js error setting transaction: %v", err)
}
_, err = self.jsvm.Run("var expression = \"" + desc + "\";") if _, err = self.jsvm.Run("var abi = " + abi + ";"); err != nil {
return return "", fmt.Errorf("natspec.js error setting abi: %v", err)
}
} if _, err = self.jsvm.Run("var method = '" + method + "';"); err != nil {
return "", fmt.Errorf("natspec.js error setting method: %v", err)
}
func (self *NatSpec) SetABI(abi string) (err error) { if _, err = self.jsvm.Run("var expression = \"" + expression + "\";"); err != nil {
return "", fmt.Errorf("natspec.js error setting expression: %v", err)
_, err = self.jsvm.Run("var abi = " + abi + ";") }
return
}
func (self *NatSpec) SetMethod(method string) (err error) {
_, err = self.jsvm.Run("var method = '" + method + "';")
return
}
func (self *NatSpec) Parse() string {
self.jsvm.Run("var call = {method: method,abi: abi,transaction: transaction};") self.jsvm.Run("var call = {method: method,abi: abi,transaction: transaction};")
value, err := self.jsvm.Run("natspec.evaluateExpression(expression, call);") value, err := self.jsvm.Run("natspec.evaluateExpression(expression, call);")
if err != nil { if err != nil {
return err.Error() return "", fmt.Errorf("natspec.js error evaluating expression: %v", err)
} }
return value.String() evalError := "Natspec evaluation failed, wrong input params"
if value.String() == evalError {
return "", fmt.Errorf("natspec.js error evaluating expression: wrong input params in expression '%s'", expression)
}
if len(value.String()) == 0 {
return "", fmt.Errorf("natspec.js error evaluating expression")
}
return value.String(), nil
} }

9
ethutil/natspec/natspec.js → ethutil/natspec/natspec_js.go
View File

@ -1,4 +1,6 @@
require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){ package natspec
const natspecJS = `require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require=="function"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error("Cannot find module '"+o+"'");throw f.code="MODULE_NOT_FOUND",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require=="function"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
},{}],2:[function(require,module,exports){ },{}],2:[function(require,module,exports){
// shim for using process in browser // shim for using process in browser
@ -3452,8 +3454,8 @@ var natspec = (function () {
var mapExpressionsToEvaluate = function (expression, cb) { var mapExpressionsToEvaluate = function (expression, cb) {
var evaluatedExpression = ""; var evaluatedExpression = "";
// match everything in `` quotes // match everything in backtick
var pattern = /\`(?:\\.|[^`\\])*\`/gim var pattern = /\` + "`" + `(?:\\.|[^` + "`" + `\\])*\` + "`" + `/gim
var match; var match;
var lastIndex = 0; var lastIndex = 0;
while ((match = pattern.exec(expression)) !== null) { while ((match = pattern.exec(expression)) !== null) {
@ -3515,3 +3517,4 @@ module.exports = natspec;
},{"./node_modules/ethereum.js/lib/abi.js":3}]},{},[]); },{"./node_modules/ethereum.js/lib/abi.js":3}]},{},[]);
`

102
ethutil/natspec/natspec_test.go
View File

@ -6,41 +6,48 @@ import (
func TestNotice(t *testing.T) { func TestNotice(t *testing.T) {
ns, err := NewNATSpec(` tx := `
{ {
"jsonrpc": "2.0", "jsonrpc": "2.0",
"method": "eth_call", "method": "eth_call",
"params": [{ "params": [{
"to": "0x8521742d3f456bd237e312d6e30724960f72517a", "to": "0x8521742d3f456bd237e312d6e30724960f72517a",
"data": "0xc6888fa1000000000000000000000000000000000000000000000000000000000000007a" "data": "0xc6888fa1000000000000000000000000000000000000000000000000000000000000007a"
}], }],
"id": 6 "id": 6
} }
`) `
abi := `
[{
"name": "multiply",
"constant": false,
"type": "function",
"inputs": [{
"name": "a",
"type": "uint256"
}],
"outputs": [{
"name": "d",
"type": "uint256"
}]
}]
`
desc := "Will multiply `a` by 7 and return `a * 7`."
method := "multiply"
ns, err := New()
if err != nil { if err != nil {
t.Errorf("NewNATSpec error %v", err) t.Errorf("NewNATSpec error %v", err)
} }
ns.SetABI(` notice, err := ns.Notice(tx, abi, method, desc)
[{
"name": "multiply",
"constant": false,
"type": "function",
"inputs": [{
"name": "a",
"type": "uint256"
}],
"outputs": [{
"name": "d",
"type": "uint256"
}]
}]
`)
ns.SetDescription("Will multiply `a` by 7 and return `a * 7`.")
ns.SetMethod("multiply")
notice := ns.Parse() if err != nil {
t.Errorf("expected no error got %v", err)
}
expected := "Will multiply 122 by 7 and return 854." expected := "Will multiply 122 by 7 and return 854."
if notice != expected { if notice != expected {
@ -48,4 +55,43 @@ func TestNotice(t *testing.T) {
} else { } else {
t.Logf("returned notice \"%v\"", notice) t.Logf("returned notice \"%v\"", notice)
} }
notice, err = ns.Notice(tx, abi, method, "Will multiply 122 by \"7\" and return 854.")
expected = "natspec.js error setting expression: (anonymous): Line 1:41 Unexpected number"
if err == nil {
t.Errorf("expected error, got nothing (notice: '%v')", err, notice)
} else {
if err.Error() != expected {
t.Errorf("expected error '%s' got '%v' (notice: '%v')", expected, err, notice)
}
}
// https://github.com/ethereum/natspec.js/issues/1
// badDesc := "Will multiply `e` by 7 and return `a * 7`."
// notice, err = ns.Notice(tx, abi, method, badDesc)
// expected = "natspec.js error evaluating expression: wrong input param in expression ''"
// if err == nil {
// t.Errorf("expected error, got nothing (notice: '%v')", notice)
// } else {
// if err.Error() != expected {
// t.Errorf("expected error '%s' got '%v' (notice: '%v')", expected, err, notice)
// }
// }
notice, err = ns.Notice(tx, abi, "missing_method", desc)
expected = "natspec.js error evaluating expression: wrong input params in expression 'Will multiply `a` by 7 and return `a * 7`.'"
if err == nil {
t.Errorf("expected error, got nothing (notice: '%v')", notice)
} else {
if err.Error() != expected {
t.Errorf("expected error '%s' got '%v' (notice: '%v')", expected, err, notice)
}
}
} }

7
tests/vm/gh_test.go
View File

@ -80,13 +80,6 @@ func RunVmTest(p string, t *testing.T) {
helper.CreateFileTests(t, p, &tests) helper.CreateFileTests(t, p, &tests)
for name, test := range tests { for name, test := range tests {
/*
vm.Debug = true
helper.Logger.SetLogLevel(4)
if name != "refund_CallToSuicideTwice" {
continue
}
*/
db, _ := ethdb.NewMemDatabase() db, _ := ethdb.NewMemDatabase()
statedb := state.New(nil, db) statedb := state.New(nil, db)
for addr, account := range test.Pre { for addr, account := range test.Pre {

2
vm/context.go
View File

@ -58,7 +58,7 @@ func (c *Context) GetRangeValue(x, size uint64) []byte {
x = uint64(math.Min(float64(x), float64(len(c.Code)))) x = uint64(math.Min(float64(x), float64(len(c.Code))))
y := uint64(math.Min(float64(x+size), float64(len(c.Code)))) y := uint64(math.Min(float64(x+size), float64(len(c.Code))))
return ethutil.LeftPadBytes(c.Code[x:y], int(size)) return ethutil.RightPadBytes(c.Code[x:y], int(size))
} }
func (c *Context) GetCode(x, size uint64) []byte { func (c *Context) GetCode(x, size uint64) []byte {

10
vm/debugger.go
View File

@ -1,10 +0,0 @@
package vm
import "github.com/ethereum/go-ethereum/state"
type Debugger interface {
BreakHook(step int, op OpCode, mem *Memory, stack *Stack, object *state.StateObject) bool
StepHook(step int, op OpCode, mem *Memory, stack *Stack, object *state.StateObject) bool
BreakPoints() []int64
SetCode(byteCode []byte)
}

86
vm/gas.go Normal file
View File

@ -0,0 +1,86 @@
package vm
import "math/big"
type req struct {
stack int
gas *big.Int
}
var _baseCheck = map[OpCode]req{
// Req stack Gas price
ADD: {2, GasFastestStep},
LT: {2, GasFastestStep},
GT: {2, GasFastestStep},
SLT: {2, GasFastestStep},
SGT: {2, GasFastestStep},
EQ: {2, GasFastestStep},
ISZERO: {1, GasFastestStep},
SUB: {2, GasFastestStep},
AND: {2, GasFastestStep},
OR: {2, GasFastestStep},
XOR: {2, GasFastestStep},
NOT: {1, GasFastestStep},
BYTE: {2, GasFastestStep},
CALLDATALOAD: {1, GasFastestStep},
CALLDATACOPY: {3, GasFastestStep},
MLOAD: {1, GasFastestStep},
MSTORE: {2, GasFastestStep},
MSTORE8: {2, GasFastestStep},
CODECOPY: {3, GasFastestStep},
MUL: {2, GasFastStep},
DIV: {2, GasFastStep},
SDIV: {2, GasFastStep},
MOD: {2, GasFastStep},
SMOD: {2, GasFastStep},
SIGNEXTEND: {2, GasFastStep},
ADDMOD: {3, GasMidStep},
MULMOD: {3, GasMidStep},
JUMP: {1, GasMidStep},
JUMPI: {2, GasSlowStep},
EXP: {2, GasSlowStep},
ADDRESS: {0, GasQuickStep},
ORIGIN: {0, GasQuickStep},
CALLER: {0, GasQuickStep},
CALLVALUE: {0, GasQuickStep},
CODESIZE: {0, GasQuickStep},
GASPRICE: {0, GasQuickStep},
COINBASE: {0, GasQuickStep},
TIMESTAMP: {0, GasQuickStep},
NUMBER: {0, GasQuickStep},
CALLDATASIZE: {0, GasQuickStep},
DIFFICULTY: {0, GasQuickStep},
GASLIMIT: {0, GasQuickStep},
POP: {0, GasQuickStep},
PC: {0, GasQuickStep},
MSIZE: {0, GasQuickStep},
GAS: {0, GasQuickStep},
BLOCKHASH: {1, GasExtStep},
BALANCE: {0, GasExtStep},
EXTCODESIZE: {1, GasExtStep},
EXTCODECOPY: {4, GasExtStep},
SLOAD: {1, GasStorageGet},
SSTORE: {2, Zero},
SHA3: {1, GasSha3Base},
CREATE: {3, GasCreate},
CALL: {7, GasCall},
CALLCODE: {7, GasCall},
JUMPDEST: {0, GasJumpDest},
SUICIDE: {1, Zero},
RETURN: {2, Zero},
}
func baseCheck(op OpCode, stack *stack, gas *big.Int) {
if r, ok := _baseCheck[op]; ok {
stack.require(r.stack)
gas.Add(gas, r.gas)
}
}
func toWordSize(size *big.Int) *big.Int {
tmp := new(big.Int)
tmp.Add(size, u256(31))
tmp.Div(tmp, u256(32))
return tmp
}

72
vm/memory.go Normal file
View File

@ -0,0 +1,72 @@
package vm
import "fmt"
type Memory struct {
store []byte
}
func NewMemory() *Memory {
return &Memory{nil}
}
func (m *Memory) Set(offset, size uint64, value []byte) {
if len(value) > 0 {
totSize := offset + size
lenSize := uint64(len(m.store) - 1)
if totSize > lenSize {
// Calculate the diff between the sizes
diff := totSize - lenSize
if diff > 0 {
// Create a new empty slice and append it
newSlice := make([]byte, diff-1)
// Resize slice
m.store = append(m.store, newSlice...)
}
}
copy(m.store[offset:offset+size], value)
}
}
func (m *Memory) Resize(size uint64) {
if uint64(m.Len()) < size {
m.store = append(m.store, make([]byte, size-uint64(m.Len()))...)
}
}
func (self *Memory) Get(offset, size int64) (cpy []byte) {
if size == 0 {
return nil
}
if len(self.store) > int(offset) {
cpy = make([]byte, size)
copy(cpy, self.store[offset:offset+size])
return
}
return
}
func (m *Memory) Len() int {
return len(m.store)
}
func (m *Memory) Data() []byte {
return m.store
}
func (m *Memory) Print() {
fmt.Printf("### mem %d bytes ###\n", len(m.store))
if len(m.store) > 0 {
addr := 0
for i := 0; i+32 <= len(m.store); i += 32 {
fmt.Printf("%03d: % x\n", addr, m.store[i:i+32])
addr++
}
} else {
fmt.Println("-- empty --")
}
fmt.Println("####################")
}

188
vm/stack.go
View File

@ -5,98 +5,53 @@ import (
"math/big" "math/big"
) )
type OpType int func newStack() *stack {
return &stack{}
}
const ( type stack struct {
tNorm = iota
tData
tExtro
tCrypto
)
type TxCallback func(opType OpType) bool
// Simple push/pop stack mechanism
type Stack struct {
data []*big.Int data []*big.Int
ptr int
} }
func NewStack() *Stack { func (st *stack) push(d *big.Int) {
return &Stack{} if len(st.data) > st.ptr {
} st.data[st.ptr] = d
} else {
func (st *Stack) Data() []*big.Int { st.data = append(st.data, d)
return st.data
}
func (st *Stack) Len() int {
return len(st.data)
}
func (st *Stack) Pop() *big.Int {
str := st.data[len(st.data)-1]
copy(st.data[:len(st.data)-1], st.data[:len(st.data)-1])
st.data = st.data[:len(st.data)-1]
return str
}
func (st *Stack) Popn() (*big.Int, *big.Int) {
ints := st.data[len(st.data)-2:]
copy(st.data[:len(st.data)-2], st.data[:len(st.data)-2])
st.data = st.data[:len(st.data)-2]
return ints[0], ints[1]
}
func (st *Stack) Peek() *big.Int {
str := st.data[len(st.data)-1]
return str
}
func (st *Stack) Peekn() (*big.Int, *big.Int) {
ints := st.data[len(st.data)-2:]
return ints[0], ints[1]
}
func (st *Stack) Swapn(n int) (*big.Int, *big.Int) {
st.data[len(st.data)-n], st.data[len(st.data)-1] = st.data[len(st.data)-1], st.data[len(st.data)-n]
return st.data[len(st.data)-n], st.data[len(st.data)-1]
}
func (st *Stack) Dupn(n int) *big.Int {
st.Push(st.data[len(st.data)-n])
return st.Peek()
}
func (st *Stack) Push(d *big.Int) {
st.data = append(st.data, new(big.Int).Set(d))
}
func (st *Stack) Get(amount *big.Int) []*big.Int {
// offset + size <= len(data)
length := big.NewInt(int64(len(st.data)))
if amount.Cmp(length) <= 0 {
start := new(big.Int).Sub(length, amount)
return st.data[start.Int64():length.Int64()]
} }
st.ptr++
return nil
} }
func (st *Stack) require(n int) { func (st *stack) pop() (ret *big.Int) {
if st.Len() < n { st.ptr--
panic(fmt.Sprintf("stack underflow (%d <=> %d)", st.Len(), n)) ret = st.data[st.ptr]
return
}
func (st *stack) len() int {
return st.ptr
}
func (st *stack) swap(n int) {
st.data[st.len()-n], st.data[st.len()-1] = st.data[st.len()-1], st.data[st.len()-n]
}
func (st *stack) dup(n int) {
st.push(st.data[st.len()-n])
}
func (st *stack) peek() *big.Int {
return st.data[st.len()-1]
}
func (st *stack) require(n int) {
if st.len() < n {
panic(fmt.Sprintf("stack underflow (%d <=> %d)", len(st.data), n))
} }
} }
func (st *Stack) Print() { func (st *stack) Print() {
fmt.Println("### stack ###") fmt.Println("### stack ###")
if len(st.data) > 0 { if len(st.data) > 0 {
for i, val := range st.data { for i, val := range st.data {
@ -107,72 +62,3 @@ func (st *Stack) Print() {
} }
fmt.Println("#############") fmt.Println("#############")
} }
type Memory struct {
store []byte
}
func NewMemory() *Memory {
return &Memory{nil}
}
func (m *Memory) Set(offset, size uint64, value []byte) {
if len(value) > 0 {
totSize := offset + size
lenSize := uint64(len(m.store) - 1)
if totSize > lenSize {
// Calculate the diff between the sizes
diff := totSize - lenSize
if diff > 0 {
// Create a new empty slice and append it
newSlice := make([]byte, diff-1)
// Resize slice
m.store = append(m.store, newSlice...)
}
}
copy(m.store[offset:offset+size], value)
}
}
func (m *Memory) Resize(size uint64) {
if uint64(m.Len()) < size {
m.store = append(m.store, make([]byte, size-uint64(m.Len()))...)
}
}
func (self *Memory) Get(offset, size int64) (cpy []byte) {
if size == 0 {
return nil
}
if len(self.store) > int(offset) {
cpy = make([]byte, size)
copy(cpy, self.store[offset:offset+size])
return
}
return
}
func (m *Memory) Len() int {
return len(m.store)
}
func (m *Memory) Data() []byte {
return m.store
}
func (m *Memory) Print() {
fmt.Printf("### mem %d bytes ###\n", len(m.store))
if len(m.store) > 0 {
addr := 0
for i := 0; i+32 <= len(m.store); i += 32 {
fmt.Printf("%03d: % x\n", addr, m.store[i:i+32])
addr++
}
} else {
fmt.Println("-- empty --")
}
fmt.Println("####################")
}

451
vm/vm.go
View File

@ -19,8 +19,6 @@ type Vm struct {
// For logging // For logging
debug bool debug bool
Dbg Debugger
BreakPoints []int64 BreakPoints []int64
Stepping bool Stepping bool
Fn string Fn string
@ -66,10 +64,9 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
destinations = analyseJumpDests(context.Code) destinations = analyseJumpDests(context.Code)
mem = NewMemory() mem = NewMemory()
stack = NewStack() stack = newStack()
pc uint64 = 0 pc uint64 = 0
step = 0 step = 0
prevStep = 0
statedb = self.env.State() statedb = self.env.State()
jump = func(from uint64, to *big.Int) { jump = func(from uint64, to *big.Int) {
@ -93,7 +90,6 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
} }
for { for {
prevStep = step
// The base for all big integer arithmetic // The base for all big integer arithmetic
base := new(big.Int) base := new(big.Int)
@ -101,11 +97,7 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
// Get the memory location of pc // Get the memory location of pc
op = context.GetOp(pc) op = context.GetOp(pc)
self.Printf("(pc) %-3d -o- %-14s (m) %-4d (s) %-4d ", pc, op.String(), mem.Len(), stack.Len()) self.Printf("(pc) %-3d -o- %-14s (m) %-4d (s) %-4d ", pc, op.String(), mem.Len(), stack.len())
if self.Dbg != nil {
//self.Dbg.Step(self, op, mem, stack, context)
}
newMemSize, gas := self.calculateGasAndSize(context, caller, op, statedb, mem, stack) newMemSize, gas := self.calculateGasAndSize(context, caller, op, statedb, mem, stack)
self.Printf("(g) %-3v (%v)", gas, context.Gas) self.Printf("(g) %-3v (%v)", gas, context.Gas)
@ -125,40 +117,40 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
switch op { switch op {
// 0x20 range // 0x20 range
case ADD: case ADD:
x, y := stack.Popn() x, y := stack.pop(), stack.pop()
self.Printf(" %v + %v", y, x) self.Printf(" %v + %v", y, x)
base.Add(y, x) base.Add(x, y)
U256(base) U256(base)
self.Printf(" = %v", base) self.Printf(" = %v", base)
// Pop result back on the stack // pop result back on the stack
stack.Push(base) stack.push(base)
case SUB: case SUB:
x, y := stack.Popn() x, y := stack.pop(), stack.pop()
self.Printf(" %v - %v", y, x) self.Printf(" %v - %v", y, x)
base.Sub(y, x) base.Sub(x, y)
U256(base) U256(base)
self.Printf(" = %v", base) self.Printf(" = %v", base)
// Pop result back on the stack // pop result back on the stack
stack.Push(base) stack.push(base)
case MUL: case MUL:
x, y := stack.Popn() x, y := stack.pop(), stack.pop()
self.Printf(" %v * %v", y, x) self.Printf(" %v * %v", y, x)
base.Mul(y, x) base.Mul(x, y)
U256(base) U256(base)
self.Printf(" = %v", base) self.Printf(" = %v", base)
// Pop result back on the stack // pop result back on the stack
stack.Push(base) stack.push(base)
case DIV: case DIV:
x, y := stack.Pop(), stack.Pop() x, y := stack.pop(), stack.pop()
self.Printf(" %v / %v", x, y) self.Printf(" %v / %v", x, y)
if y.Cmp(ethutil.Big0) != 0 { if y.Cmp(ethutil.Big0) != 0 {
@ -168,10 +160,10 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
U256(base) U256(base)
self.Printf(" = %v", base) self.Printf(" = %v", base)
// Pop result back on the stack // pop result back on the stack
stack.Push(base) stack.push(base)
case SDIV: case SDIV:
x, y := S256(stack.Pop()), S256(stack.Pop()) x, y := S256(stack.pop()), S256(stack.pop())
self.Printf(" %v / %v", x, y) self.Printf(" %v / %v", x, y)
@ -191,9 +183,9 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
} }
self.Printf(" = %v", base) self.Printf(" = %v", base)
stack.Push(base) stack.push(base)
case MOD: case MOD:
x, y := stack.Pop(), stack.Pop() x, y := stack.pop(), stack.pop()
self.Printf(" %v %% %v", x, y) self.Printf(" %v %% %v", x, y)
@ -206,9 +198,9 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
U256(base) U256(base)
self.Printf(" = %v", base) self.Printf(" = %v", base)
stack.Push(base) stack.push(base)
case SMOD: case SMOD:
x, y := S256(stack.Pop()), S256(stack.Pop()) x, y := S256(stack.pop()), S256(stack.pop())
self.Printf(" %v %% %v", x, y) self.Printf(" %v %% %v", x, y)
@ -228,25 +220,25 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
} }
self.Printf(" = %v", base) self.Printf(" = %v", base)
stack.Push(base) stack.push(base)
case EXP: case EXP:
x, y := stack.Popn() x, y := stack.pop(), stack.pop()
self.Printf(" %v ** %v", y, x) self.Printf(" %v ** %v", x, y)
base.Exp(y, x, Pow256) base.Exp(x, y, Pow256)
U256(base) U256(base)
self.Printf(" = %v", base) self.Printf(" = %v", base)
stack.Push(base) stack.push(base)
case SIGNEXTEND: case SIGNEXTEND:
back := stack.Pop().Uint64() back := stack.pop().Uint64()
if back < 31 { if back < 31 {
bit := uint(back*8 + 7) bit := uint(back*8 + 7)
num := stack.Pop() num := stack.pop()
mask := new(big.Int).Lsh(ethutil.Big1, bit) mask := new(big.Int).Lsh(ethutil.Big1, bit)
mask.Sub(mask, ethutil.Big1) mask.Sub(mask, ethutil.Big1)
if ethutil.BitTest(num, int(bit)) { if ethutil.BitTest(num, int(bit)) {
@ -259,91 +251,91 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
self.Printf(" = %v", num) self.Printf(" = %v", num)
stack.Push(num) stack.push(num)
} }
case NOT: case NOT:
base.Sub(Pow256, stack.Pop()).Sub(base, ethutil.Big1) base.Sub(Pow256, stack.pop()).Sub(base, ethutil.Big1)
// Not needed // Not needed
base = U256(base) base = U256(base)
stack.Push(base) stack.push(base)
case LT: case LT:
x, y := stack.Popn() x, y := stack.pop(), stack.pop()
self.Printf(" %v < %v", y, x) self.Printf(" %v < %v", x, y)
// x < y // x < y
if y.Cmp(x) < 0 { if x.Cmp(y) < 0 {
stack.Push(ethutil.BigTrue) stack.push(ethutil.BigTrue)
} else { } else {
stack.Push(ethutil.BigFalse) stack.push(ethutil.BigFalse)
} }
case GT: case GT:
x, y := stack.Popn() x, y := stack.pop(), stack.pop()
self.Printf(" %v > %v", y, x) self.Printf(" %v > %v", x, y)
// x > y // x > y
if y.Cmp(x) > 0 { if x.Cmp(y) > 0 {
stack.Push(ethutil.BigTrue) stack.push(ethutil.BigTrue)
} else { } else {
stack.Push(ethutil.BigFalse) stack.push(ethutil.BigFalse)
} }
case SLT: case SLT:
y, x := S256(stack.Pop()), S256(stack.Pop()) x, y := S256(stack.pop()), S256(stack.pop())
self.Printf(" %v < %v", y, x) self.Printf(" %v < %v", x, y)
// x < y // x < y
if y.Cmp(S256(x)) < 0 { if x.Cmp(S256(y)) < 0 {
stack.Push(ethutil.BigTrue) stack.push(ethutil.BigTrue)
} else { } else {
stack.Push(ethutil.BigFalse) stack.push(ethutil.BigFalse)
} }
case SGT: case SGT:
y, x := S256(stack.Pop()), S256(stack.Pop()) x, y := S256(stack.pop()), S256(stack.pop())
self.Printf(" %v > %v", y, x) self.Printf(" %v > %v", x, y)
// x > y // x > y
if y.Cmp(x) > 0 { if x.Cmp(y) > 0 {
stack.Push(ethutil.BigTrue) stack.push(ethutil.BigTrue)
} else { } else {
stack.Push(ethutil.BigFalse) stack.push(ethutil.BigFalse)
} }
case EQ: case EQ:
x, y := stack.Popn() x, y := stack.pop(), stack.pop()
self.Printf(" %v == %v", y, x) self.Printf(" %v == %v", y, x)
// x == y // x == y
if x.Cmp(y) == 0 { if x.Cmp(y) == 0 {
stack.Push(ethutil.BigTrue) stack.push(ethutil.BigTrue)
} else { } else {
stack.Push(ethutil.BigFalse) stack.push(ethutil.BigFalse)
} }
case ISZERO: case ISZERO:
x := stack.Pop() x := stack.pop()
if x.Cmp(ethutil.BigFalse) > 0 { if x.Cmp(ethutil.BigFalse) > 0 {
stack.Push(ethutil.BigFalse) stack.push(ethutil.BigFalse)
} else { } else {
stack.Push(ethutil.BigTrue) stack.push(ethutil.BigTrue)
} }
// 0x10 range // 0x10 range
case AND: case AND:
x, y := stack.Popn() x, y := stack.pop(), stack.pop()
self.Printf(" %v & %v", y, x) self.Printf(" %v & %v", y, x)
stack.Push(base.And(y, x)) stack.push(base.And(x, y))
case OR: case OR:
x, y := stack.Popn() x, y := stack.pop(), stack.pop()
self.Printf(" %v | %v", y, x) self.Printf(" %v | %v", x, y)
stack.Push(base.Or(y, x)) stack.push(base.Or(x, y))
case XOR: case XOR:
x, y := stack.Popn() x, y := stack.pop(), stack.pop()
self.Printf(" %v ^ %v", y, x) self.Printf(" %v ^ %v", x, y)
stack.Push(base.Xor(y, x)) stack.push(base.Xor(x, y))
case BYTE: case BYTE:
val, th := stack.Popn() th, val := stack.pop(), stack.pop()
if th.Cmp(big.NewInt(32)) < 0 { if th.Cmp(big.NewInt(32)) < 0 {
byt := big.NewInt(int64(ethutil.LeftPadBytes(val.Bytes(), 32)[th.Int64()])) byt := big.NewInt(int64(ethutil.LeftPadBytes(val.Bytes(), 32)[th.Int64()]))
@ -355,12 +347,12 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
self.Printf(" => 0x%x", base.Bytes()) self.Printf(" => 0x%x", base.Bytes())
stack.Push(base) stack.push(base)
case ADDMOD: case ADDMOD:
x := stack.Pop() x := stack.pop()
y := stack.Pop() y := stack.pop()
z := stack.Pop() z := stack.pop()
add := new(big.Int).Add(x, y) add := new(big.Int).Add(x, y)
if len(z.Bytes()) > 0 { // NOT 0x0 if len(z.Bytes()) > 0 { // NOT 0x0
@ -371,12 +363,12 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
self.Printf(" %v + %v %% %v = %v", x, y, z, base) self.Printf(" %v + %v %% %v = %v", x, y, z, base)
stack.Push(base) stack.push(base)
case MULMOD: case MULMOD:
x := stack.Pop() x := stack.pop()
y := stack.Pop() y := stack.pop()
z := stack.Pop() z := stack.pop()
mul := new(big.Int).Mul(x, y) mul := new(big.Int).Mul(x, y)
if len(z.Bytes()) > 0 { // NOT 0x0 if len(z.Bytes()) > 0 { // NOT 0x0
@ -387,24 +379,24 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
self.Printf(" %v + %v %% %v = %v", x, y, z, base) self.Printf(" %v + %v %% %v = %v", x, y, z, base)
stack.Push(base) stack.push(base)
// 0x20 range // 0x20 range
case SHA3: case SHA3:
size, offset := stack.Popn() size, offset := stack.pop(), stack.pop()
data := crypto.Sha3(mem.Get(offset.Int64(), size.Int64())) data := crypto.Sha3(mem.Get(offset.Int64(), size.Int64()))
stack.Push(ethutil.BigD(data)) stack.push(ethutil.BigD(data))
self.Printf(" => (%v) %x", size, data) self.Printf(" => (%v) %x", size, data)
// 0x30 range // 0x30 range
case ADDRESS: case ADDRESS:
stack.Push(ethutil.BigD(context.Address())) stack.push(ethutil.BigD(context.Address()))
self.Printf(" => %x", context.Address()) self.Printf(" => %x", context.Address())
case BALANCE: case BALANCE:
addr := stack.Pop().Bytes() addr := stack.pop().Bytes()
var balance *big.Int var balance *big.Int
if statedb.GetStateObject(addr) != nil { if statedb.GetStateObject(addr) != nil {
balance = statedb.GetBalance(addr) balance = statedb.GetBalance(addr)
@ -412,27 +404,27 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
balance = base balance = base
} }
stack.Push(balance) stack.push(balance)
self.Printf(" => %v (%x)", balance, addr) self.Printf(" => %v (%x)", balance, addr)
case ORIGIN: case ORIGIN:
origin := self.env.Origin() origin := self.env.Origin()
stack.Push(ethutil.BigD(origin)) stack.push(ethutil.BigD(origin))
self.Printf(" => %x", origin) self.Printf(" => %x", origin)
case CALLER: case CALLER:
caller := context.caller.Address() caller := context.caller.Address()
stack.Push(ethutil.BigD(caller)) stack.push(ethutil.BigD(caller))
self.Printf(" => %x", caller) self.Printf(" => %x", caller)
case CALLVALUE: case CALLVALUE:
stack.Push(value) stack.push(value)
self.Printf(" => %v", value) self.Printf(" => %v", value)
case CALLDATALOAD: case CALLDATALOAD:
var ( var (
offset = stack.Pop() offset = stack.pop()
data = make([]byte, 32) data = make([]byte, 32)
lenData = big.NewInt(int64(len(callData))) lenData = big.NewInt(int64(len(callData)))
) )
@ -446,18 +438,18 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
self.Printf(" => 0x%x", data) self.Printf(" => 0x%x", data)
stack.Push(ethutil.BigD(data)) stack.push(ethutil.BigD(data))
case CALLDATASIZE: case CALLDATASIZE:
l := int64(len(callData)) l := int64(len(callData))
stack.Push(big.NewInt(l)) stack.push(big.NewInt(l))
self.Printf(" => %d", l) self.Printf(" => %d", l)
case CALLDATACOPY: case CALLDATACOPY:
var ( var (
size = uint64(len(callData)) size = uint64(len(callData))
mOff = stack.Pop().Uint64() mOff = stack.pop().Uint64()
cOff = stack.Pop().Uint64() cOff = stack.pop().Uint64()
l = stack.Pop().Uint64() l = stack.pop().Uint64()
) )
if cOff > size { if cOff > size {
@ -475,7 +467,7 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
case CODESIZE, EXTCODESIZE: case CODESIZE, EXTCODESIZE:
var code []byte var code []byte
if op == EXTCODESIZE { if op == EXTCODESIZE {
addr := stack.Pop().Bytes() addr := stack.pop().Bytes()
code = statedb.GetCode(addr) code = statedb.GetCode(addr)
} else { } else {
@ -483,21 +475,21 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
} }
l := big.NewInt(int64(len(code))) l := big.NewInt(int64(len(code)))
stack.Push(l) stack.push(l)
self.Printf(" => %d", l) self.Printf(" => %d", l)
case CODECOPY, EXTCODECOPY: case CODECOPY, EXTCODECOPY:
var code []byte var code []byte
if op == EXTCODECOPY { if op == EXTCODECOPY {
code = statedb.GetCode(stack.Pop().Bytes()) code = statedb.GetCode(stack.pop().Bytes())
} else { } else {
code = context.Code code = context.Code
} }
context := NewContext(nil, nil, code, ethutil.Big0, ethutil.Big0) context := NewContext(nil, nil, code, ethutil.Big0, ethutil.Big0)
var ( var (
mOff = stack.Pop().Uint64() mOff = stack.pop().Uint64()
cOff = stack.Pop().Uint64() cOff = stack.pop().Uint64()
l = stack.Pop().Uint64() l = stack.pop().Uint64()
) )
codeCopy := context.GetCode(cOff, l) codeCopy := context.GetCode(cOff, l)
@ -505,80 +497,80 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
self.Printf(" => [%v, %v, %v] %x", mOff, cOff, l, codeCopy) self.Printf(" => [%v, %v, %v] %x", mOff, cOff, l, codeCopy)
case GASPRICE: case GASPRICE:
stack.Push(context.Price) stack.push(context.Price)
self.Printf(" => %x", context.Price) self.Printf(" => %x", context.Price)
// 0x40 range // 0x40 range
case BLOCKHASH: case BLOCKHASH:
num := stack.Pop() num := stack.pop()
n := new(big.Int).Sub(self.env.BlockNumber(), ethutil.Big257) n := new(big.Int).Sub(self.env.BlockNumber(), ethutil.Big257)
if num.Cmp(n) > 0 && num.Cmp(self.env.BlockNumber()) < 0 { if num.Cmp(n) > 0 && num.Cmp(self.env.BlockNumber()) < 0 {
stack.Push(ethutil.BigD(self.env.GetHash(num.Uint64()))) stack.push(ethutil.BigD(self.env.GetHash(num.Uint64())))
} else { } else {
stack.Push(ethutil.Big0) stack.push(ethutil.Big0)
} }
self.Printf(" => 0x%x", stack.Peek().Bytes()) self.Printf(" => 0x%x", stack.peek().Bytes())
case COINBASE: case COINBASE:
coinbase := self.env.Coinbase() coinbase := self.env.Coinbase()
stack.Push(ethutil.BigD(coinbase)) stack.push(ethutil.BigD(coinbase))
self.Printf(" => 0x%x", coinbase) self.Printf(" => 0x%x", coinbase)
case TIMESTAMP: case TIMESTAMP:
time := self.env.Time() time := self.env.Time()
stack.Push(big.NewInt(time)) stack.push(big.NewInt(time))
self.Printf(" => 0x%x", time) self.Printf(" => 0x%x", time)
case NUMBER: case NUMBER:
number := self.env.BlockNumber() number := self.env.BlockNumber()
stack.Push(U256(number)) stack.push(U256(number))
self.Printf(" => 0x%x", number.Bytes()) self.Printf(" => 0x%x", number.Bytes())
case DIFFICULTY: case DIFFICULTY:
difficulty := self.env.Difficulty() difficulty := self.env.Difficulty()
stack.Push(difficulty) stack.push(difficulty)
self.Printf(" => 0x%x", difficulty.Bytes()) self.Printf(" => 0x%x", difficulty.Bytes())
case GASLIMIT: case GASLIMIT:
self.Printf(" => %v", self.env.GasLimit()) self.Printf(" => %v", self.env.GasLimit())
stack.Push(self.env.GasLimit()) stack.push(self.env.GasLimit())
// 0x50 range // 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: 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) a := uint64(op - PUSH1 + 1)
byts := context.GetRangeValue(pc+1, a) byts := context.GetRangeValue(pc+1, a)
// Push value to stack // push value to stack
stack.Push(ethutil.BigD(byts)) stack.push(ethutil.BigD(byts))
pc += a pc += a
step += int(op) - int(PUSH1) + 1 step += int(op) - int(PUSH1) + 1
self.Printf(" => 0x%x", byts) self.Printf(" => 0x%x", byts)
case POP: case POP:
stack.Pop() stack.pop()
case DUP1, DUP2, DUP3, DUP4, DUP5, DUP6, DUP7, DUP8, DUP9, DUP10, DUP11, DUP12, DUP13, DUP14, DUP15, DUP16: case DUP1, DUP2, DUP3, DUP4, DUP5, DUP6, DUP7, DUP8, DUP9, DUP10, DUP11, DUP12, DUP13, DUP14, DUP15, DUP16:
n := int(op - DUP1 + 1) n := int(op - DUP1 + 1)
stack.Dupn(n) stack.dup(n)
self.Printf(" => [%d] 0x%x", n, stack.Peek().Bytes()) self.Printf(" => [%d] 0x%x", n, stack.peek().Bytes())
case SWAP1, SWAP2, SWAP3, SWAP4, SWAP5, SWAP6, SWAP7, SWAP8, SWAP9, SWAP10, SWAP11, SWAP12, SWAP13, SWAP14, SWAP15, SWAP16: case SWAP1, SWAP2, SWAP3, SWAP4, SWAP5, SWAP6, SWAP7, SWAP8, SWAP9, SWAP10, SWAP11, SWAP12, SWAP13, SWAP14, SWAP15, SWAP16:
n := int(op - SWAP1 + 2) n := int(op - SWAP1 + 2)
x, y := stack.Swapn(n) stack.swap(n)
self.Printf(" => [%d] %x [0] %x", n, x.Bytes(), y.Bytes()) self.Printf(" => [%d]", n)
case LOG0, LOG1, LOG2, LOG3, LOG4: case LOG0, LOG1, LOG2, LOG3, LOG4:
n := int(op - LOG0) n := int(op - LOG0)
topics := make([][]byte, n) topics := make([][]byte, n)
mSize, mStart := stack.Popn() mStart, mSize := stack.pop(), stack.pop()
for i := 0; i < n; i++ { for i := 0; i < n; i++ {
topics[i] = ethutil.LeftPadBytes(stack.Pop().Bytes(), 32) topics[i] = ethutil.LeftPadBytes(stack.pop().Bytes(), 32)
} }
data := mem.Get(mStart.Int64(), mSize.Int64()) data := mem.Get(mStart.Int64(), mSize.Int64())
@ -587,41 +579,40 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
self.Printf(" => %v", log) self.Printf(" => %v", log)
case MLOAD: case MLOAD:
offset := stack.Pop() offset := stack.pop()
val := ethutil.BigD(mem.Get(offset.Int64(), 32)) val := ethutil.BigD(mem.Get(offset.Int64(), 32))
stack.Push(val) stack.push(val)
self.Printf(" => 0x%x", val.Bytes()) self.Printf(" => 0x%x", val.Bytes())
case MSTORE: // Store the value at stack top-1 in to memory at location stack top case MSTORE: // Store the value at stack top-1 in to memory at location stack top
// Pop value of the stack // pop value of the stack
val, mStart := stack.Popn() mStart, val := stack.pop(), stack.pop()
mem.Set(mStart.Uint64(), 32, ethutil.BigToBytes(val, 256)) mem.Set(mStart.Uint64(), 32, ethutil.BigToBytes(val, 256))
self.Printf(" => 0x%x", val) self.Printf(" => 0x%x", val)
case MSTORE8: case MSTORE8:
off := stack.Pop() off, val := stack.pop(), stack.pop()
val := stack.Pop()
mem.store[off.Int64()] = byte(val.Int64() & 0xff) mem.store[off.Int64()] = byte(val.Int64() & 0xff)
self.Printf(" => [%v] 0x%x", off, val) self.Printf(" => [%v] 0x%x", off, val)
case SLOAD: case SLOAD:
loc := stack.Pop() loc := stack.pop()
val := ethutil.BigD(statedb.GetState(context.Address(), loc.Bytes())) val := ethutil.BigD(statedb.GetState(context.Address(), loc.Bytes()))
stack.Push(val) stack.push(val)
self.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes()) self.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes())
case SSTORE: case SSTORE:
val, loc := stack.Popn() loc, val := stack.pop(), stack.pop()
statedb.SetState(context.Address(), loc.Bytes(), val) statedb.SetState(context.Address(), loc.Bytes(), val)
self.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes()) self.Printf(" {0x%x : 0x%x}", loc.Bytes(), val.Bytes())
case JUMP: case JUMP:
jump(pc, stack.Pop()) jump(pc, stack.pop())
continue continue
case JUMPI: case JUMPI:
cond, pos := stack.Popn() pos, cond := stack.pop(), stack.pop()
if cond.Cmp(ethutil.BigTrue) >= 0 { if cond.Cmp(ethutil.BigTrue) >= 0 {
jump(pc, pos) jump(pc, pos)
@ -633,19 +624,19 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
case JUMPDEST: case JUMPDEST:
case PC: case PC:
stack.Push(big.NewInt(int64(pc))) stack.push(big.NewInt(int64(pc)))
case MSIZE: case MSIZE:
stack.Push(big.NewInt(int64(mem.Len()))) stack.push(big.NewInt(int64(mem.Len())))
case GAS: case GAS:
stack.Push(context.Gas) stack.push(context.Gas)
self.Printf(" => %x", context.Gas) self.Printf(" => %x", context.Gas)
// 0x60 range // 0x60 range
case CREATE: case CREATE:
var ( var (
value = stack.Pop() value = stack.pop()
size, offset = stack.Popn() offset, size = stack.pop(), stack.pop()
input = mem.Get(offset.Int64(), size.Int64()) input = mem.Get(offset.Int64(), size.Int64())
gas = new(big.Int).Set(context.Gas) gas = new(big.Int).Set(context.Gas)
addr []byte addr []byte
@ -655,7 +646,7 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
context.UseGas(context.Gas) context.UseGas(context.Gas)
ret, suberr, ref := self.env.Create(context, nil, input, gas, price, value) ret, suberr, ref := self.env.Create(context, nil, input, gas, price, value)
if suberr != nil { if suberr != nil {
stack.Push(ethutil.BigFalse) stack.push(ethutil.BigFalse)
self.Printf(" (*) 0x0 %v", suberr) self.Printf(" (*) 0x0 %v", suberr)
} else { } else {
@ -668,23 +659,19 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
} }
addr = ref.Address() addr = ref.Address()
stack.Push(ethutil.BigD(addr)) stack.push(ethutil.BigD(addr))
} }
// Debug hook
if self.Dbg != nil {
self.Dbg.SetCode(context.Code)
}
case CALL, CALLCODE: case CALL, CALLCODE:
gas := stack.Pop() gas := stack.pop()
// Pop gas and value of the stack. // pop gas and value of the stack.
value, addr := stack.Popn() addr, value := stack.pop(), stack.pop()
value = U256(value) value = U256(value)
// Pop input size and offset // pop input size and offset
inSize, inOffset := stack.Popn() inOffset, inSize := stack.pop(), stack.pop()
// Pop return size and offset // pop return size and offset
retSize, retOffset := stack.Popn() retOffset, retSize := stack.pop(), stack.pop()
address := ethutil.Address(addr.Bytes()) address := ethutil.Address(addr.Bytes())
self.Printf(" => %x", address).Endl() self.Printf(" => %x", address).Endl()
@ -707,30 +694,24 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
} }
if err != nil { if err != nil {
stack.Push(ethutil.BigFalse) stack.push(ethutil.BigFalse)
vmlogger.Debugln(err) vmlogger.Debugln(err)
} else { } else {
stack.Push(ethutil.BigTrue) stack.push(ethutil.BigTrue)
mem.Set(retOffset.Uint64(), retSize.Uint64(), ret) mem.Set(retOffset.Uint64(), retSize.Uint64(), ret)
} }
self.Printf("resume %x (%v)", context.Address(), context.Gas) self.Printf("resume %x (%v)", context.Address(), context.Gas)
// Debug hook
if self.Dbg != nil {
self.Dbg.SetCode(context.Code)
}
case RETURN: case RETURN:
size, offset := stack.Popn() offset, size := stack.pop(), stack.pop()
ret := mem.Get(offset.Int64(), size.Int64()) ret := mem.Get(offset.Int64(), size.Int64())
self.Printf(" => [%v, %v] (%d) 0x%x", offset, size, len(ret), ret).Endl() self.Printf(" => [%v, %v] (%d) 0x%x", offset, size, len(ret), ret).Endl()
return context.Return(ret), nil return context.Return(ret), nil
case SUICIDE: case SUICIDE:
receiver := statedb.GetOrNewStateObject(stack.Pop().Bytes()) receiver := statedb.GetOrNewStateObject(stack.pop().Bytes())
balance := statedb.GetBalance(context.Address()) balance := statedb.GetBalance(context.Address())
self.Printf(" => (%x) %v", receiver.Address()[:4], balance) self.Printf(" => (%x) %v", receiver.Address()[:4], balance)
@ -753,117 +734,17 @@ func (self *Vm) Run(me, caller ContextRef, code []byte, value, gas, price *big.I
pc++ pc++
self.Endl() self.Endl()
if self.Dbg != nil {
for _, instrNo := range self.Dbg.BreakPoints() {
if pc == uint64(instrNo) {
self.Stepping = true
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(context.Address())) {
return nil, nil
}
}
}
}
} }
} }
type req struct { func (self *Vm) calculateGasAndSize(context *Context, caller ContextRef, op OpCode, statedb *state.StateDB, mem *Memory, stack *stack) (*big.Int, *big.Int) {
stack int
gas *big.Int
}
var _baseCheck = map[OpCode]req{
// Req Stack Gas price
ADD: {2, GasFastestStep},
LT: {2, GasFastestStep},
GT: {2, GasFastestStep},
SLT: {2, GasFastestStep},
SGT: {2, GasFastestStep},
EQ: {2, GasFastestStep},
ISZERO: {1, GasFastestStep},
SUB: {2, GasFastestStep},
AND: {2, GasFastestStep},
OR: {2, GasFastestStep},
XOR: {2, GasFastestStep},
NOT: {1, GasFastestStep},
BYTE: {2, GasFastestStep},
CALLDATALOAD: {1, GasFastestStep},
CALLDATACOPY: {3, GasFastestStep},
MLOAD: {1, GasFastestStep},
MSTORE: {2, GasFastestStep},
MSTORE8: {2, GasFastestStep},
CODECOPY: {3, GasFastestStep},
MUL: {2, GasFastStep},
DIV: {2, GasFastStep},
SDIV: {2, GasFastStep},
MOD: {2, GasFastStep},
SMOD: {2, GasFastStep},
SIGNEXTEND: {2, GasFastStep},
ADDMOD: {3, GasMidStep},
MULMOD: {3, GasMidStep},
JUMP: {1, GasMidStep},
JUMPI: {2, GasSlowStep},
EXP: {2, GasSlowStep},
ADDRESS: {0, GasQuickStep},
ORIGIN: {0, GasQuickStep},
CALLER: {0, GasQuickStep},
CALLVALUE: {0, GasQuickStep},
CODESIZE: {0, GasQuickStep},
GASPRICE: {0, GasQuickStep},
COINBASE: {0, GasQuickStep},
TIMESTAMP: {0, GasQuickStep},
NUMBER: {0, GasQuickStep},
CALLDATASIZE: {0, GasQuickStep},
DIFFICULTY: {0, GasQuickStep},
GASLIMIT: {0, GasQuickStep},
POP: {0, GasQuickStep},
PC: {0, GasQuickStep},
MSIZE: {0, GasQuickStep},
GAS: {0, GasQuickStep},
BLOCKHASH: {1, GasExtStep},
BALANCE: {0, GasExtStep},
EXTCODESIZE: {1, GasExtStep},
EXTCODECOPY: {4, GasExtStep},
SLOAD: {1, GasStorageGet},
SSTORE: {2, Zero},
SHA3: {1, GasSha3Base},
CREATE: {3, GasCreate},
CALL: {7, GasCall},
CALLCODE: {7, GasCall},
JUMPDEST: {0, GasJumpDest},
SUICIDE: {1, Zero},
RETURN: {2, Zero},
}
func baseCheck(op OpCode, stack *Stack, gas *big.Int) {
if r, ok := _baseCheck[op]; ok {
stack.require(r.stack)
gas.Add(gas, r.gas)
}
}
func toWordSize(size *big.Int) *big.Int {
tmp := new(big.Int)
tmp.Add(size, u256(31))
tmp.Div(tmp, u256(32))
return tmp
}
func (self *Vm) calculateGasAndSize(context *Context, caller ContextRef, op OpCode, statedb *state.StateDB, mem *Memory, stack *Stack) (*big.Int, *big.Int) {
var ( var (
gas = new(big.Int) gas = new(big.Int)
newMemSize *big.Int = new(big.Int) newMemSize *big.Int = new(big.Int)
) )
baseCheck(op, stack, gas) baseCheck(op, stack, gas)
// Stack Check, memory resize & gas phase // stack Check, memory resize & gas phase
switch op { switch op {
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: 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:
gas.Set(GasFastestStep) gas.Set(GasFastestStep)
@ -879,7 +760,7 @@ func (self *Vm) calculateGasAndSize(context *Context, caller ContextRef, op OpCo
n := int(op - LOG0) n := int(op - LOG0)
stack.require(n + 2) stack.require(n + 2)
mSize, mStart := stack.Peekn() mSize, mStart := stack.data[stack.len()-2], stack.data[stack.len()-1]
gas.Add(gas, GasLogBase) gas.Add(gas, GasLogBase)
gas.Add(gas, new(big.Int).Mul(big.NewInt(int64(n)), GasLogTopic)) gas.Add(gas, new(big.Int).Mul(big.NewInt(int64(n)), GasLogTopic))
@ -887,12 +768,12 @@ func (self *Vm) calculateGasAndSize(context *Context, caller ContextRef, op OpCo
newMemSize = calcMemSize(mStart, mSize) newMemSize = calcMemSize(mStart, mSize)
case EXP: case EXP:
gas.Add(gas, new(big.Int).Mul(big.NewInt(int64(len(stack.data[stack.Len()-2].Bytes()))), GasExpByte)) gas.Add(gas, new(big.Int).Mul(big.NewInt(int64(len(stack.data[stack.len()-2].Bytes()))), GasExpByte))
case SSTORE: case SSTORE:
stack.require(2) stack.require(2)
var g *big.Int var g *big.Int
y, x := stack.Peekn() y, x := stack.data[stack.len()-2], stack.data[stack.len()-1]
val := statedb.GetState(context.Address(), x.Bytes()) val := statedb.GetState(context.Address(), x.Bytes())
if len(val) == 0 && len(y.Bytes()) > 0 { if len(val) == 0 && len(y.Bytes()) > 0 {
// 0 => non 0 // 0 => non 0
@ -911,51 +792,51 @@ func (self *Vm) calculateGasAndSize(context *Context, caller ContextRef, op OpCo
statedb.Refund(self.env.Origin(), RefundSuicide) statedb.Refund(self.env.Origin(), RefundSuicide)
} }
case MLOAD: case MLOAD:
newMemSize = calcMemSize(stack.Peek(), u256(32)) newMemSize = calcMemSize(stack.peek(), u256(32))
case MSTORE8: case MSTORE8:
newMemSize = calcMemSize(stack.Peek(), u256(1)) newMemSize = calcMemSize(stack.peek(), u256(1))
case MSTORE: case MSTORE:
newMemSize = calcMemSize(stack.Peek(), u256(32)) newMemSize = calcMemSize(stack.peek(), u256(32))
case RETURN: case RETURN:
newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-2]) newMemSize = calcMemSize(stack.peek(), stack.data[stack.len()-2])
case SHA3: case SHA3:
newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-2]) newMemSize = calcMemSize(stack.peek(), stack.data[stack.len()-2])
words := toWordSize(stack.data[stack.Len()-2]) words := toWordSize(stack.data[stack.len()-2])
gas.Add(gas, words.Mul(words, GasSha3Word)) gas.Add(gas, words.Mul(words, GasSha3Word))
case CALLDATACOPY: case CALLDATACOPY:
newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-3]) newMemSize = calcMemSize(stack.peek(), stack.data[stack.len()-3])
words := toWordSize(stack.data[stack.Len()-3]) words := toWordSize(stack.data[stack.len()-3])
gas.Add(gas, words.Mul(words, GasCopyWord)) gas.Add(gas, words.Mul(words, GasCopyWord))
case CODECOPY: case CODECOPY:
newMemSize = calcMemSize(stack.Peek(), stack.data[stack.Len()-3]) newMemSize = calcMemSize(stack.peek(), stack.data[stack.len()-3])
words := toWordSize(stack.data[stack.Len()-3]) words := toWordSize(stack.data[stack.len()-3])
gas.Add(gas, words.Mul(words, GasCopyWord)) gas.Add(gas, words.Mul(words, GasCopyWord))
case EXTCODECOPY: case EXTCODECOPY:
newMemSize = calcMemSize(stack.data[stack.Len()-2], stack.data[stack.Len()-4]) newMemSize = calcMemSize(stack.data[stack.len()-2], stack.data[stack.len()-4])
words := toWordSize(stack.data[stack.Len()-4]) words := toWordSize(stack.data[stack.len()-4])
gas.Add(gas, words.Mul(words, GasCopyWord)) gas.Add(gas, words.Mul(words, GasCopyWord))
case CREATE: case CREATE:
newMemSize = calcMemSize(stack.data[stack.Len()-2], stack.data[stack.Len()-3]) newMemSize = calcMemSize(stack.data[stack.len()-2], stack.data[stack.len()-3])
case CALL, CALLCODE: case CALL, CALLCODE:
gas.Add(gas, stack.data[stack.Len()-1]) gas.Add(gas, stack.data[stack.len()-1])
if op == CALL { if op == CALL {
if self.env.State().GetStateObject(stack.data[stack.Len()-2].Bytes()) == nil { if self.env.State().GetStateObject(stack.data[stack.len()-2].Bytes()) == nil {
gas.Add(gas, GasCallNewAccount) gas.Add(gas, GasCallNewAccount)
} }
} }
if len(stack.data[stack.Len()-3].Bytes()) > 0 { if len(stack.data[stack.len()-3].Bytes()) > 0 {
gas.Add(gas, GasCallValueTransfer) gas.Add(gas, GasCallValueTransfer)
} }
x := calcMemSize(stack.data[stack.Len()-6], stack.data[stack.Len()-7]) x := calcMemSize(stack.data[stack.len()-6], stack.data[stack.len()-7])
y := calcMemSize(stack.data[stack.Len()-4], stack.data[stack.Len()-5]) y := calcMemSize(stack.data[stack.len()-4], stack.data[stack.len()-5])
newMemSize = ethutil.BigMax(x, y) newMemSize = ethutil.BigMax(x, y)
} }