forked from cerc-io/plugeth
136 lines
3.1 KiB
Go
136 lines
3.1 KiB
Go
package ethui
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import (
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"fmt"
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"github.com/ethereum/eth-go/ethchain"
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"github.com/ethereum/eth-go/ethutil"
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"github.com/go-qml/qml"
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)
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type DebuggerWindow struct {
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win *qml.Window
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engine *qml.Engine
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lib *UiLib
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Db *Debugger
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}
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func NewDebuggerWindow(lib *UiLib) *DebuggerWindow {
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engine := qml.NewEngine()
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component, err := engine.LoadFile(lib.AssetPath("debugger/debugger.qml"))
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if err != nil {
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fmt.Println(err)
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return nil
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}
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win := component.CreateWindow(nil)
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db := &Debugger{win, make(chan bool), true}
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return &DebuggerWindow{engine: engine, win: win, lib: lib, Db: db}
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}
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func (self *DebuggerWindow) Show() {
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context := self.engine.Context()
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context.SetVar("dbg", self)
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go func() {
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self.win.Show()
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self.win.Wait()
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}()
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}
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func (self *DebuggerWindow) Debug(valueStr, gasStr, gasPriceStr, data string) {
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state := self.lib.eth.BlockChain().CurrentBlock.State()
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script, err := ethutil.Compile(data)
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if err != nil {
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ethutil.Config.Log.Debugln(err)
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return
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}
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dis := ethchain.Disassemble(script)
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self.lib.win.Root().Call("clearAsm")
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for _, str := range dis {
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self.win.Root().Call("setAsm", str)
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}
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// Contract addr as test address
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keyPair := ethutil.GetKeyRing().Get(0)
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callerTx := ethchain.NewContractCreationTx(ethutil.Big(valueStr), ethutil.Big(gasStr), ethutil.Big(gasPriceStr), script)
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callerTx.Sign(keyPair.PrivateKey)
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account := self.lib.eth.StateManager().TransState().GetAccount(keyPair.Address())
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contract := ethchain.MakeContract(callerTx, state)
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callerClosure := ethchain.NewClosure(account, contract, contract.Init(), state, ethutil.Big(gasStr), ethutil.Big(gasPriceStr))
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block := self.lib.eth.BlockChain().CurrentBlock
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vm := ethchain.NewVm(state, self.lib.eth.StateManager(), ethchain.RuntimeVars{
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Origin: account.Address(),
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BlockNumber: block.BlockInfo().Number,
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PrevHash: block.PrevHash,
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Coinbase: block.Coinbase,
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Time: block.Time,
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Diff: block.Difficulty,
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})
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self.Db.done = false
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go func() {
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callerClosure.Call(vm, contract.Init(), self.Db.halting)
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state.Reset()
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self.Db.done = true
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}()
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}
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func (self *DebuggerWindow) Next() {
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self.Db.Next()
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}
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type Debugger struct {
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win *qml.Window
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N chan bool
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done bool
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}
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type storeVal struct {
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Key, Value string
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}
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func (d *Debugger) halting(pc int, op ethchain.OpCode, mem *ethchain.Memory, stack *ethchain.Stack, stateObject *ethchain.StateObject) {
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d.win.Root().Call("setInstruction", pc)
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d.win.Root().Call("clearMem")
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d.win.Root().Call("clearStack")
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d.win.Root().Call("clearStorage")
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addr := 0
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for i := 0; i+32 <= mem.Len(); i += 32 {
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d.win.Root().Call("setMem", memAddr{fmt.Sprintf("%03d", addr), fmt.Sprintf("% x", mem.Data()[i:i+32])})
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addr++
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}
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for _, val := range stack.Data() {
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d.win.Root().Call("setStack", val.String())
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}
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stateObject.State().EachStorage(func(key string, node *ethutil.Value) {
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d.win.Root().Call("setStorage", storeVal{fmt.Sprintf("% x", key), fmt.Sprintf("% x", node.Str())})
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})
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out:
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for {
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select {
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case <-d.N:
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break out
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default:
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}
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}
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}
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func (d *Debugger) Next() {
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if !d.done {
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d.N <- true
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}
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}
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