3 files changed, 65 insertions, 8 deletions

diff --git a/ethereal/ui/gui.go b/ethereal/ui/gui.go
index c8f4bedab..89736ac29 100644
--- a/ethereal/ui/gui.go
+++ b/ethereal/ui/gui.go
@@ -53,6 +53,7 @@ type Gui struct {
 	txDb *ethdb.LDBDatabase
 
 	addr []byte
+
 }
 
 // Create GUI, but doesn't start it
@@ -71,7 +72,7 @@ func New(ethereum *eth.Ethereum) *Gui {
 	return &Gui{eth: ethereum, lib: lib, txDb: db, addr: addr}
 }
 
-func (ui *Gui) Start() {
+func (ui *Gui) Start(assetPath string) {
 	defer ui.txDb.Close()
 
 	// Register ethereum functions
@@ -89,14 +90,16 @@ func (ui *Gui) Start() {
 
 	// Expose the eth library and the ui library to QML
 	context.SetVar("eth", ui.lib)
-	context.SetVar("ui", &UiLib{engine: ui.engine, eth: ui.eth})
+	uiLib := NewUiLib(ui.engine, ui.eth, assetPath)
+	context.SetVar("ui", uiLib)
 
 	// Load the main QML interface
-	component, err := ui.engine.LoadFile(AssetPath("qml/wallet.qml"))
+	component, err := ui.engine.LoadFile(uiLib.AssetPath("qml/wallet.qml"))
 	if err != nil {
+   	ethutil.Config.Log.Infoln("FATAL: asset not found: you can set an alternative asset path on on the command line using option 'asset_path'")
 		panic(err)
 	}
-	ui.engine.LoadFile(AssetPath("qml/transactions.qml"))
+	ui.engine.LoadFile(uiLib.AssetPath("qml/transactions.qml"))
 
 	ui.win = component.CreateWindow(nil)
 
diff --git a/ethereal/ui/library.go b/ethereal/ui/library.go
index 05fffd579..6f8cb6f65 100644
--- a/ethereal/ui/library.go
+++ b/ethereal/ui/library.go
@@ -5,6 +5,7 @@ import (
 	"fmt"
 	"github.com/ethereum/eth-go/ethchain"
 	"github.com/ethereum/eth-go/ethutil"
+	"github.com/obscuren/mutan"
 	"strings"
 )
 
@@ -14,6 +15,50 @@ type EthLib struct {
 	txPool       *ethchain.TxPool
 }
 
+func (lib *EthLib) CreateTx(recipient, valueStr, gasStr, gasPriceStr, data string) string {
+	var hash []byte
+	var contractCreation bool
+	if len(recipient) == 0 {
+		contractCreation = true
+	} else {
+		var err error
+		hash, err = hex.DecodeString(recipient)
+		if err != nil {
+			return err.Error()
+		}
+	}
+
+	keyPair := ethutil.Config.Db.GetKeys()[0]
+	value := ethutil.Big(valueStr)
+	gas := ethutil.Big(gasStr)
+	gasPrice := ethutil.Big(gasPriceStr)
+	var tx *ethchain.Transaction
+	// Compile and assemble the given data
+	if contractCreation {
+		asm, err := mutan.Compile(strings.NewReader(data), false)
+		if err != nil {
+			return err.Error()
+		}
+
+		code := ethutil.Assemble(asm...)
+		tx = ethchain.NewContractCreationTx(value, gasPrice, code)
+	} else {
+		tx = ethchain.NewTransactionMessage(hash, value, gasPrice, gas, []string{})
+	}
+	tx.Nonce = lib.stateManager.GetAddrState(keyPair.Address()).Nonce
+	tx.Sign(keyPair.PrivateKey)
+	lib.txPool.QueueTransaction(tx)
+
+	if contractCreation {
+		ethutil.Config.Log.Infof("Contract addr %x", tx.Hash()[12:])
+	} else {
+		ethutil.Config.Log.Infof("Tx hash %x", tx.Hash())
+	}
+
+	return ethutil.Hex(tx.Hash())
+}
+
+/*
 func (lib *EthLib) CreateTx(receiver, a, data string) string {
 	var hash []byte
 	if len(receiver) == 0 {
@@ -31,7 +76,7 @@ func (lib *EthLib) CreateTx(receiver, a, data string) string {
 
 	amount := ethutil.Big(a)
 	code := ethchain.Compile(strings.Split(data, "\n"))
-	tx := ethchain.NewTransaction(hash, amount, code)
+	tx := ethchain.NewTx(hash, amount, code)
 	tx.Nonce = lib.stateManager.GetAddrState(keyPair.Address()).Nonce
 
 	tx.Sign(keyPair.PrivateKey)
@@ -46,6 +91,7 @@ func (lib *EthLib) CreateTx(receiver, a, data string) string {
 
 	return ethutil.Hex(tx.Hash())
 }
+*/
 
 func (lib *EthLib) GetBlock(hexHash string) *Block {
 	hash, err := hex.DecodeString(hexHash)
diff --git a/ethereal/ui/ui_lib.go b/ethereal/ui/ui_lib.go
index edff02286..5c3c98fb9 100644
--- a/ethereal/ui/ui_lib.go
+++ b/ethereal/ui/ui_lib.go
@@ -16,6 +16,14 @@ type UiLib struct {
 	engine    *qml.Engine
 	eth       *eth.Ethereum
 	connected bool
+	assetPath string
+}
+
+func NewUiLib(engine *qml.Engine, eth *eth.Ethereum, assetPath string) *UiLib {
+	if assetPath == "" {
+		assetPath = DefaultAssetPath()
+	}
+	return &UiLib{engine: engine, eth: eth, assetPath: assetPath}
 }
 
 // Opens a QML file (external application)
@@ -45,10 +53,10 @@ func (ui *UiLib) ConnectToPeer(addr string) {
 }
 
 func (ui *UiLib) AssetPath(p string) string {
-	return AssetPath(p)
+	return path.Join(ui.assetPath, p)
 }
 
-func AssetPath(p string) string {
+func DefaultAssetPath() string {
 	var base string
 	// If the current working directory is the go-ethereum dir
 	// assume a debug build and use the source directory as
@@ -71,5 +79,5 @@ func AssetPath(p string) string {
 		}
 	}
 
-	return path.Join(base, p)
+	return base
 }