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|
package ethui
import (
"fmt"
"github.com/ethereum/eth-go/ethchain"
"github.com/ethereum/eth-go/ethutil"
"github.com/go-qml/qml"
"math/big"
"strings"
)
func formatData(data string) []byte {
if len(data) == 0 {
return nil
}
// Simple stupid
d := new(big.Int)
if data[0:1] == "\"" && data[len(data)-1:] == "\"" {
d.SetBytes([]byte(data[1 : len(data)-1]))
} else if data[:2] == "0x" {
d.SetBytes(ethutil.FromHex(data[2:]))
} else {
d.SetString(data, 0)
}
return ethutil.BigToBytes(d, 256)
}
type DebuggerWindow struct {
win *qml.Window
engine *qml.Engine
lib *UiLib
Db *Debugger
}
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)
db := &Debugger{win, make(chan bool), make(chan bool), true}
return &DebuggerWindow{engine: engine, win: win, lib: lib, Db: db}
}
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) Debug(valueStr, gasStr, gasPriceStr, scriptStr, dataStr string) {
if !self.Db.done {
self.Db.Q <- true
}
defer func() {
if r := recover(); r != nil {
fmt.Println(r)
self.Db.done = true
}
}()
data := ethutil.StringToByteFunc(dataStr, func(s string) (ret []byte) {
slice := strings.Split(dataStr, "\n")
for _, dataItem := range slice {
d := formatData(dataItem)
ret = append(ret, d...)
}
return
})
var err error
script := ethutil.StringToByteFunc(scriptStr, func(s string) (ret []byte) {
ret, err = ethutil.Compile(s)
return
})
if err != nil {
ethutil.Config.Log.Debugln(err)
return
}
dis := ethchain.Disassemble(script)
self.win.Root().Call("clearAsm")
for _, str := range dis {
self.win.Root().Call("setAsm", str)
}
// Contract addr as test address
keyPair := ethutil.GetKeyRing().Get(0)
callerTx := ethchain.NewContractCreationTx(ethutil.Big(valueStr), ethutil.Big(gasStr), ethutil.Big(gasPriceStr), script)
callerTx.Sign(keyPair.PrivateKey)
state := self.lib.eth.BlockChain().CurrentBlock.State()
account := self.lib.eth.StateManager().TransState().GetAccount(keyPair.Address())
contract := ethchain.MakeContract(callerTx, state)
callerClosure := ethchain.NewClosure(account, contract, script, state, ethutil.Big(gasStr), ethutil.Big(gasPriceStr))
block := self.lib.eth.BlockChain().CurrentBlock
vm := ethchain.NewVm(state, self.lib.eth.StateManager(), ethchain.RuntimeVars{
Origin: account.Address(),
BlockNumber: block.BlockInfo().Number,
PrevHash: block.PrevHash,
Coinbase: block.Coinbase,
Time: block.Time,
Diff: block.Difficulty,
})
self.Db.done = false
go func() {
callerClosure.Call(vm, data, self.Db.halting)
state.Reset()
self.Db.done = true
}()
}
func (self *DebuggerWindow) Next() {
self.Db.Next()
}
type Debugger struct {
win *qml.Window
N chan bool
Q chan bool
done bool
}
type storeVal struct {
Key, Value string
}
func (d *Debugger) halting(pc int, op ethchain.OpCode, mem *ethchain.Memory, stack *ethchain.Stack, stateObject *ethchain.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+32 <= mem.Len(); i += 32 {
d.win.Root().Call("setMem", memAddr{fmt.Sprintf("%03d", addr), fmt.Sprintf("% x", mem.Data()[i:i+32])})
addr++
}
for _, val := range stack.Data() {
d.win.Root().Call("setStack", val.String())
}
stateObject.State().EachStorage(func(key string, node *ethutil.Value) {
d.win.Root().Call("setStorage", storeVal{fmt.Sprintf("% x", key), fmt.Sprintf("% x", node.Str())})
})
out:
for {
select {
case <-d.N:
break out
case <-d.Q:
d.done = true
return false
}
}
return true
}
func (d *Debugger) Next() {
if !d.done {
d.N <- true
}
}
|
