1 files changed, 63 insertions, 0 deletions
diff --git a/ethereal/ui/ui_lib.go b/ethereal/ui/ui_lib.go
index 5c3c98fb9..adba177d0 100644
--- a/ethereal/ui/ui_lib.go
+++ b/ethereal/ui/ui_lib.go
@@ -2,13 +2,18 @@ package ethui
 
 import (
 	"bitbucket.org/kardianos/osext"
+	"fmt"
 	"github.com/ethereum/eth-go"
+	"github.com/ethereum/eth-go/ethchain"
 	"github.com/ethereum/eth-go/ethutil"
 	"github.com/niemeyer/qml"
+	"github.com/obscuren/mutan"
+	"math/big"
 	"os"
 	"path"
 	"path/filepath"
 	"runtime"
+	"strings"
 )
 
 // UI Library that has some basic functionality exposed
@@ -17,6 +22,8 @@ type UiLib struct {
 	eth       *eth.Ethereum
 	connected bool
 	assetPath string
+	// The main application window
+	win *qml.Window
 }
 
 func NewUiLib(engine *qml.Engine, eth *eth.Ethereum, assetPath string) *UiLib {
@@ -81,3 +88,59 @@ func DefaultAssetPath() string {
 
 	return base
 }
+
+type memAddr struct {
+	Num   string
+	Value string
+}
+
+func (ui *UiLib) DebugTx(recipient, valueStr, gasStr, gasPriceStr, data string) (string, error) {
+	state := ui.eth.BlockChain().CurrentBlock.State()
+
+	asm, err := mutan.Compile(strings.NewReader(data), false)
+	if err != nil {
+		fmt.Println(err)
+	}
+
+	callerScript := ethutil.Assemble(asm...)
+	dis := ethchain.Disassemble(callerScript)
+	ui.win.Root().Call("clearAsm")
+	for _, str := range dis {
+		ui.win.Root().Call("setAsm", str)
+	}
+	callerTx := ethchain.NewContractCreationTx(ethutil.Big(valueStr), ethutil.Big(gasPriceStr), callerScript)
+
+	// Contract addr as test address
+	keyPair := ethutil.Config.Db.GetKeys()[0]
+	account := ui.eth.StateManager().GetAddrState(keyPair.Address()).Account
+	c := ethchain.MakeContract(callerTx, state)
+	callerClosure := ethchain.NewClosure(account, c, c.Script(), state, ethutil.Big(gasStr), new(big.Int))
+
+	block := ui.eth.BlockChain().CurrentBlock
+	vm := ethchain.NewVm(state, ethchain.RuntimeVars{
+		Origin:      account.Address(),
+		BlockNumber: block.BlockInfo().Number,
+		PrevHash:    block.PrevHash,
+		Coinbase:    block.Coinbase,
+		Time:        block.Time,
+		Diff:        block.Difficulty,
+		TxData:      nil,
+	})
+	callerClosure.Call(vm, nil, func(op ethchain.OpCode, mem *ethchain.Memory, stack *ethchain.Stack) {
+		ui.win.Root().Call("clearMem")
+		ui.win.Root().Call("clearStack")
+
+		addr := 0
+		for i := 0; i+32 <= mem.Len(); i += 32 {
+			ui.win.Root().Call("setMem", memAddr{fmt.Sprintf("%03d", addr), fmt.Sprintf("% x", mem.Data()[i:i+32])})
+			addr++
+		}
+
+		for _, val := range stack.Data() {
+			ui.win.Root().Call("setStack", val.String())
+		}
+	})
+	state.Reset()
+
+	return "", nil
+}