14 files changed, 590 insertions, 298 deletions

diff --git a/ethereal/assets/ext/big.js b/ethereal/assets/ext/big.js
new file mode 100644
index 000000000..db633fd2f
--- /dev/null
+++ b/ethereal/assets/ext/big.js
@@ -0,0 +1,380 @@
+var bigInt = (function () {
+    var base = 10000000, logBase = 7;
+    var sign = {
+        positive: false,
+        negative: true
+    };
+
+    var normalize = function (first, second) {
+        var a = first.value, b = second.value;
+        var length = a.length > b.length ? a.length : b.length;
+        for (var i = 0; i < length; i++) {
+            a[i] = a[i] || 0;
+            b[i] = b[i] || 0;
+        }
+        for (var i = length - 1; i >= 0; i--) {
+            if (a[i] === 0 && b[i] === 0) {
+                a.pop();
+                b.pop();
+            } else break;
+        }
+        if (!a.length) a = [0], b = [0];
+        first.value = a;
+        second.value = b;
+    };
+
+    var parse = function (text, first) {
+        if (typeof text === "object") return text;
+        text += "";
+        var s = sign.positive, value = [];
+        if (text[0] === "-") {
+            s = sign.negative;
+            text = text.slice(1);
+        }
+	var base = 10;
+        if (text.slice(0, 2) == "0x") {
+            base = 16;
+            text = text.slice(2);
+        }
+	else {
+	        var texts = text.split("e");
+		if (texts.length > 2) throw new Error("Invalid integer");
+		if (texts[1]) {
+		    var exp = texts[1];
+		    if (exp[0] === "+") exp = exp.slice(1);
+		    exp = parse(exp);
+		    if (exp.lesser(0)) throw new Error("Cannot include negative exponent part for integers");
+		    while (exp.notEquals(0)) {
+		        texts[0] += "0";
+		        exp = exp.prev();
+		    }
+		}
+	        text = texts[0];
+	}
+        if (text === "-0") text = "0";
+	text = text.toUpperCase();
+        var isValid = (base == 16 ? /^[0-9A-F]*$/ : /^[0-9]+$/).test(text);
+        if (!isValid) throw new Error("Invalid integer");
+	if (base == 16) {
+		var val = bigInt(0);
+		while (text.length) {
+			v = text.charCodeAt(0) - 48;
+			if (v > 9)
+				v -= 7;
+			text = text.slice(1);
+			val = val.times(16).plus(v);
+		}
+		return val;
+	}
+	else {
+		while (text.length) {
+		    var divider = text.length > logBase ? text.length - logBase : 0;
+		    value.push(+text.slice(divider));
+		    text = text.slice(0, divider);
+		}
+	        var val = bigInt(value, s);
+	        if (first) normalize(first, val);
+        	return val;
+	}
+    };
+
+    var goesInto = function (a, b) {
+        var a = bigInt(a, sign.positive), b = bigInt(b, sign.positive);
+        if (a.equals(0)) throw new Error("Cannot divide by 0");
+        var n = 0;
+        do {
+            var inc = 1;
+            var c = bigInt(a.value, sign.positive), t = c.times(10);
+            while (t.lesser(b)) {
+                c = t;
+                inc *= 10;
+                t = t.times(10);
+            }
+            while (c.lesserOrEquals(b)) {
+                b = b.minus(c);
+                n += inc;
+            }
+        } while (a.lesserOrEquals(b));
+
+        return {
+            remainder: b.value,
+            result: n
+        };
+    };
+
+    var bigInt = function (value, s) {
+        var self = {
+            value: value,
+            sign: s
+        };
+        var o = {
+            value: value,
+            sign: s,
+            negate: function (m) {
+                var first = m || self;
+                return bigInt(first.value, !first.sign);
+            },
+            abs: function (m) {
+                var first = m || self;
+                return bigInt(first.value, sign.positive);
+            },
+            add: function (n, m) {
+                var s, first = self, second;
+                if (m) (first = parse(n)) && (second = parse(m));
+                else second = parse(n, first);
+                s = first.sign;
+                if (first.sign !== second.sign) {
+                    first = bigInt(first.value, sign.positive);
+                    second = bigInt(second.value, sign.positive);
+                    return s === sign.positive ?
+						o.subtract(first, second) :
+						o.subtract(second, first);
+                }
+                normalize(first, second);
+                var a = first.value, b = second.value;
+                var result = [],
+					carry = 0;
+                for (var i = 0; i < a.length || carry > 0; i++) {
+                    var sum = (a[i] || 0) + (b[i] || 0) + carry;
+                    carry = sum >= base ? 1 : 0;
+                    sum -= carry * base;
+                    result.push(sum);
+                }
+                return bigInt(result, s);
+            },
+            plus: function (n, m) {
+                return o.add(n, m);
+            },
+            subtract: function (n, m) {
+                var first = self, second;
+                if (m) (first = parse(n)) && (second = parse(m));
+                else second = parse(n, first);
+                if (first.sign !== second.sign) return o.add(first, o.negate(second));
+                if (first.sign === sign.negative) return o.subtract(o.negate(second), o.negate(first));
+                if (o.compare(first, second) === -1) return o.negate(o.subtract(second, first));
+                var a = first.value, b = second.value;
+                var result = [],
+					borrow = 0;
+                for (var i = 0; i < a.length; i++) {
+                    var tmp = a[i] - borrow;
+                    borrow = tmp < b[i] ? 1 : 0;
+                    var minuend = (borrow * base) + tmp - b[i];
+                    result.push(minuend);
+                }
+                return bigInt(result, sign.positive);
+            },
+            minus: function (n, m) {
+                return o.subtract(n, m);
+            },
+            multiply: function (n, m) {
+                var s, first = self, second;
+                if (m) (first = parse(n)) && (second = parse(m));
+                else second = parse(n, first);
+                s = first.sign !== second.sign;
+                var a = first.value, b = second.value;
+                var resultSum = [];
+                for (var i = 0; i < a.length; i++) {
+                    resultSum[i] = [];
+                    var j = i;
+                    while (j--) {
+                        resultSum[i].push(0);
+                    }
+                }
+                var carry = 0;
+                for (var i = 0; i < a.length; i++) {
+                    var x = a[i];
+                    for (var j = 0; j < b.length || carry > 0; j++) {
+                        var y = b[j];
+                        var product = y ? (x * y) + carry : carry;
+                        carry = product > base ? Math.floor(product / base) : 0;
+                        product -= carry * base;
+                        resultSum[i].push(product);
+                    }
+                }
+                var max = -1;
+                for (var i = 0; i < resultSum.length; i++) {
+                    var len = resultSum[i].length;
+                    if (len > max) max = len;
+                }
+                var result = [], carry = 0;
+                for (var i = 0; i < max || carry > 0; i++) {
+                    var sum = carry;
+                    for (var j = 0; j < resultSum.length; j++) {
+                        sum += resultSum[j][i] || 0;
+                    }
+                    carry = sum > base ? Math.floor(sum / base) : 0;
+                    sum -= carry * base;
+                    result.push(sum);
+                }
+                return bigInt(result, s);
+            },
+            times: function (n, m) {
+                return o.multiply(n, m);
+            },
+            divmod: function (n, m) {
+                var s, first = self, second;
+                if (m) (first = parse(n)) && (second = parse(m));
+                else second = parse(n, first);
+                s = first.sign !== second.sign;
+                if (bigInt(first.value, first.sign).equals(0)) return {
+                    quotient: bigInt([0], sign.positive),
+                    remainder: bigInt([0], sign.positive)
+                };
+                if (second.equals(0)) throw new Error("Cannot divide by zero");
+                var a = first.value, b = second.value;
+                var result = [], remainder = [];
+                for (var i = a.length - 1; i >= 0; i--) {
+                    var n = [a[i]].concat(remainder);
+                    var quotient = goesInto(b, n);
+                    result.push(quotient.result);
+                    remainder = quotient.remainder;
+                }
+                result.reverse();
+                return {
+                    quotient: bigInt(result, s),
+                    remainder: bigInt(remainder, first.sign)
+                };
+            },
+            divide: function (n, m) {
+                return o.divmod(n, m).quotient;
+            },
+            over: function (n, m) {
+                return o.divide(n, m);
+            },
+            mod: function (n, m) {
+                return o.divmod(n, m).remainder;
+            },
+            pow: function (n, m) {
+                var first = self, second;
+                if (m) (first = parse(n)) && (second = parse(m));
+                else second = parse(n, first);
+                var a = first, b = second;
+                if (b.lesser(0)) return ZERO;
+                if (b.equals(0)) return ONE;
+                var result = bigInt(a.value, a.sign);
+
+                if (b.mod(2).equals(0)) {
+                    var c = result.pow(b.over(2));
+                    return c.times(c);
+                } else {
+                    return result.times(result.pow(b.minus(1)));
+                }
+            },
+            next: function (m) {
+                var first = m || self;
+                return o.add(first, 1);
+            },
+            prev: function (m) {
+                var first = m || self;
+                return o.subtract(first, 1);
+            },
+            compare: function (n, m) {
+                var first = self, second;
+                if (m) (first = parse(n)) && (second = parse(m, first));
+                else second = parse(n, first);
+                normalize(first, second);
+                if (first.value.length === 1 && second.value.length === 1 && first.value[0] === 0 && second.value[0] === 0) return 0;
+                if (second.sign !== first.sign) return first.sign === sign.positive ? 1 : -1;
+                var multiplier = first.sign === sign.positive ? 1 : -1;
+                var a = first.value, b = second.value;
+                for (var i = a.length - 1; i >= 0; i--) {
+                    if (a[i] > b[i]) return 1 * multiplier;
+                    if (b[i] > a[i]) return -1 * multiplier;
+                }
+                return 0;
+            },
+            compareAbs: function (n, m) {
+                var first = self, second;
+                if (m) (first = parse(n)) && (second = parse(m, first));
+                else second = parse(n, first);
+                first.sign = second.sign = sign.positive;
+                return o.compare(first, second);
+            },
+            equals: function (n, m) {
+                return o.compare(n, m) === 0;
+            },
+            notEquals: function (n, m) {
+                return !o.equals(n, m);
+            },
+            lesser: function (n, m) {
+                return o.compare(n, m) < 0;
+            },
+            greater: function (n, m) {
+                return o.compare(n, m) > 0;
+            },
+            greaterOrEquals: function (n, m) {
+                return o.compare(n, m) >= 0;
+            },
+            lesserOrEquals: function (n, m) {
+                return o.compare(n, m) <= 0;
+            },
+            isPositive: function (m) {
+                var first = m || self;
+                return first.sign === sign.positive;
+            },
+            isNegative: function (m) {
+                var first = m || self;
+                return first.sign === sign.negative;
+            },
+            isEven: function (m) {
+                var first = m || self;
+                return first.value[0] % 2 === 0;
+            },
+            isOdd: function (m) {
+                var first = m || self;
+                return first.value[0] % 2 === 1;
+            },
+            toString: function (m) {
+                var first = m || self;
+                var str = "", len = first.value.length;
+                while (len--) {
+                    if (first.value[len].toString().length === 8) str += first.value[len];
+                    else str += (base.toString() + first.value[len]).slice(-logBase);
+                }
+                while (str[0] === "0") {
+                    str = str.slice(1);
+                }
+                if (!str.length) str = "0";
+                var s = (first.sign === sign.positive || str == "0") ? "" : "-";
+                return s + str;
+            },
+            toHex: function (m) {
+                var first = m || self;
+                var str = "";
+				var l = this.abs();
+                while (l > 0) {
+					var qr = l.divmod(256);
+					var b = qr.remainder.toJSNumber();
+					str = (b >> 4).toString(16) + (b & 15).toString(16) + str;
+                    l = qr.quotient;
+                }
+                return (this.isNegative() ? "-" : "") + "0x" + str;
+            },
+            toJSNumber: function (m) {
+                return +o.toString(m);
+            },
+            valueOf: function (m) {
+                return o.toJSNumber(m);
+            }
+        };
+        return o;
+    };
+
+    var ZERO = bigInt([0], sign.positive);
+    var ONE = bigInt([1], sign.positive);
+    var MINUS_ONE = bigInt([1], sign.negative);
+
+    var fnReturn = function (a) {
+        if (typeof a === "undefined") return ZERO;
+        return parse(a);
+    };
+    fnReturn.zero = ZERO;
+    fnReturn.one = ONE;
+    fnReturn.minusOne = MINUS_ONE;
+    return fnReturn;
+})();
+
+if (typeof module !== "undefined") {
+    module.exports = bigInt;
+}
+
diff --git a/ethereal/assets/ethereum.js b/ethereal/assets/ext/ethereum.js
index 8f1a60300..f565e58bd 100644
--- a/ethereal/assets/ethereum.js
+++ b/ethereal/assets/ext/ethereum.js
@@ -119,118 +119,3 @@ window.eth = {
 window.eth._callbacks = {}
 window.eth._onCallbacks = {}
 
-function hello() {
-	debug("hello")
-	window.dataTest = true;
-}
-
-function debug(/**/) {
-	var args = arguments;
-	var msg = ""
-	for(var i = 0; i < args.length; i++){
-		if(typeof args[i] === "object") {
-			msg += " " + JSON.stringify(args[i])
-		} else {
-			msg += args[i]
-		}
-	}
-
-	postData({call:"debug", args:[msg]})
-	document.getElementById("debug").innerHTML += "<br>" + msg
-}
-
-// Helper function for generating pseudo callbacks and sending data to the QML part of the application
-function postData(data, cb) {
-	data._seed = Math.floor(Math.random() * 1000000)
-	if(cb) {
-		eth._callbacks[data._seed] = cb;
-	}
-
-	if(data.args === undefined) {
-		data.args = [];
-	}
-
-	navigator.qt.postMessage(JSON.stringify(data));
-}
-
-navigator.qt.onmessage = function(ev) {
-	var data = JSON.parse(ev.data)
-
-	if(data._event !== undefined) {
-		eth.trigger(data._event, data.data);
-	} else {
-		if(data._seed) {
-			var cb = eth._callbacks[data._seed];
-			if(cb) {
-				// Figure out whether the returned data was an array
-				// array means multiple return arguments (multiple params)
-				if(data.data instanceof Array) {
-					cb.apply(this, data.data)
-				} else {
-					cb.call(this, data.data)
-				}
-
-				// Remove the "trigger" callback
-				delete eth._callbacks[ev._seed];
-			}
-		}
-	}
-}
-
-window.eth._0 = "\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0"
-String.prototype.pad = function(len) {
-    var bin = this.bin();
-    var l = bin.length;
-    if(l < 32) {
-        return eth._0.substr(0, 32 - bin.length) + bin;
-    }
-
-    return bin;
-}
-
-String.prototype.unpad = function() {
-    var i, l;
-    for(i = 0, l = this.length; i < l; i++) {
-        if(this[i] != "\0") {
-            return this.substr(i, this.length);
-        }
-    }
-
-    return this.substr(i, this.length);
-}
-
-String.prototype.bin = function() {
-    if(this.substr(0, 2) == "0x") {
-        return this.hex2bin();
-    } else if(/^\d+$/.test(this)) {
-        return this.num2bin()
-    }
-
-    // Otherwise we'll return the "String" object instead of an actual string
-    return this.substr(0, this.length)
-}
-
-String.prototype.unbin = function() {
-    var i, l, o = '';
-    for(i = 0, l = this.length; i < l; i++) {
-        var n = this.charCodeAt(i).toString(16);
-        o += n.length < 2 ? '0' + n : n;
-    }
-
-    return "0x" + o;
-}
-
-String.prototype.hex2bin = function() {
-    bytes = []
-
-    for(var i=2; i< this.length-1; i+=2) {
-        bytes.push(parseInt(this.substr(i, 2), 16));
-    }
-
-    return String.fromCharCode.apply(String, bytes);
-}
-
-String.prototype.num2bin = function() {
-    return ("0x"+parseInt(this).toString(16)).bin()
-}
-
diff --git a/ethereal/assets/ext/pre.js b/ethereal/assets/ext/pre.js
new file mode 100644
index 000000000..ca520f152
--- /dev/null
+++ b/ethereal/assets/ext/pre.js
@@ -0,0 +1,58 @@
+function debug(/**/) {
+	var args = arguments;
+	var msg = ""
+	for(var i = 0; i < args.length; i++){
+		if(typeof args[i] === "object") {
+			msg += " " + JSON.stringify(args[i])
+		} else {
+			msg += " " + args[i]
+		}
+	}
+
+	postData({call:"debug", args:[msg]})
+	document.getElementById("debug").innerHTML += "<br>" + msg
+}
+
+// Helper function for generating pseudo callbacks and sending data to the QML part of the application
+function postData(data, cb) {
+	data._seed = Math.floor(Math.random() * 1000000)
+	if(cb) {
+		eth._callbacks[data._seed] = cb;
+	}
+
+	if(data.args === undefined) {
+		data.args = [];
+	}
+
+	navigator.qt.postMessage(JSON.stringify(data));
+}
+
+navigator.qt.onmessage = function(ev) {
+	var data = JSON.parse(ev.data)
+
+	if(data._event !== undefined) {
+		eth.trigger(data._event, data.data);
+	} else {
+		if(data._seed) {
+			var cb = eth._callbacks[data._seed];
+			if(cb) {
+				// Figure out whether the returned data was an array
+				// array means multiple return arguments (multiple params)
+				if(data.data instanceof Array) {
+					cb.apply(this, data.data)
+				} else {
+					cb.call(this, data.data)
+				}
+
+				// Remove the "trigger" callback
+				delete eth._callbacks[ev._seed];
+			}
+		}
+	}
+}
+
+window.onerror = function(message, file, lineNumber, column, errorObj) {
+	debug(file, message, lineNumber+":"+column, errorObj);
+
+	return false;
+}
diff --git a/ethereal/assets/ext/string.js b/ethereal/assets/ext/string.js
new file mode 100644
index 000000000..2473b5c36
--- /dev/null
+++ b/ethereal/assets/ext/string.js
@@ -0,0 +1,58 @@
+String.prototype.pad = function(l, r) {
+	if (r === undefined) {
+		r = l
+		if (!(this.substr(0, 2) == "0x" || /^\d+$/.test(this)))
+			l = 0
+	}
+	var ret = this.bin();
+	while (ret.length < l)
+		ret = "\0" + ret
+	while (ret.length < r)
+		ret = ret + "\0"
+	return ret;
+}
+
+String.prototype.unpad = function() {
+	var i = this.length;
+	while (i && this[i - 1] == "\0")
+		--i
+	return this.substr(0, i)
+}
+
+String.prototype.bin = function() {
+	if (this.substr(0, 2) == "0x") {
+		bytes = []
+		var i = 2;
+
+		// Check if it's odd - pad with a zero if so.
+		if (this.length % 2)
+			bytes.push(parseInt(this.substr(i++, 1), 16))
+
+		for (; i < this.length - 1; i += 2)
+			bytes.push(parseInt(this.substr(i, 2), 16));
+
+		return String.fromCharCode.apply(String, bytes);
+	} else if (/^\d+$/.test(this))
+		return bigInt(this.substr(0)).toHex().bin()
+
+	// Otherwise we'll return the "String" object instead of an actual string
+	return this.substr(0, this.length)
+}
+
+String.prototype.unbin = function() {
+	var i, l, o = '';
+	for(i = 0, l = this.length; i < l; i++) {
+		var n = this.charCodeAt(i).toString(16);
+		o += n.length < 2 ? '0' + n : n;
+	}
+
+	return "0x" + o;
+}
+
+String.prototype.dec = function() {
+	return bigInt(this.substr(0)).toString()
+}
+
+String.prototype.hex = function() {
+	return bigInt(this.substr(0)).toHex()
+}
diff --git a/ethereal/assets/muted/index.html b/ethereal/assets/muted/index.html
index 14949b5ac..84584e373 100644
--- a/ethereal/assets/muted/index.html
+++ b/ethereal/assets/muted/index.html
@@ -46,7 +46,6 @@
 
     .CodeMirror {
         height: 70%;
-	font-size: 14pt;
     }
 </style>
 </head>
diff --git a/ethereal/assets/qml/newTransaction/_new_contract.qml b/ethereal/assets/qml/newTransaction/_new_contract.qml
index 0794d3dcd..f8f3d53a0 100644
--- a/ethereal/assets/qml/newTransaction/_new_contract.qml
+++ b/ethereal/assets/qml/newTransaction/_new_contract.qml
@@ -150,7 +150,7 @@ Component {
 			text: "Send"
 			onClicked: {
 				//this.enabled = false
-				var res = eth.createTx(txFuelRecipient.text, txValue.text, txGas.text, txGasPrice.text, codeView.text)
+				var res = eth.create(txFuelRecipient.text, txValue.text, txGas.text, txGasPrice.text, codeView.text)
 				if(res[1]) {
 					txResult.text = "Your contract <b>could not</b> be send over the network:\n<b>"
 					txResult.text += res[1].error()
@@ -158,7 +158,7 @@ Component {
 					mainContractColumn.state = "ERROR"
 				} else {
 					txResult.text = "Your transaction has been submitted:\n"
-					txOutput.text = res[0]
+					txOutput.text = res[0].address
 					mainContractColumn.state = "DONE"
 				}
 			}
diff --git a/ethereal/assets/qml/newTransaction/_simple_send.qml b/ethereal/assets/qml/newTransaction/_simple_send.qml
index d460797ea..12420c15a 100644
--- a/ethereal/assets/qml/newTransaction/_simple_send.qml
+++ b/ethereal/assets/qml/newTransaction/_simple_send.qml
@@ -77,12 +77,12 @@ Component {
 			text: "Send"
 			onClicked: {
 				//this.enabled = false
-				var res = eth.createTx(txSimpleRecipient.text, txSimpleValue.text,"","","")
+				var res = eth.transact(txSimpleRecipient.text, txSimpleValue.text,"","","")
 				if(res[1]) {
 					txSimpleResult.text = "There has been an error broadcasting your transaction:" + res[1].error()
 				} else {
 					txSimpleResult.text = "Your transaction has been broadcasted over the network.\nYour transaction id is:"
-					txSimpleOutput.text = res[0]
+					txSimpleOutput.text = res[0].hash
 					this.visible = false
 					simpleSendColumn.state = "DONE"
 				}
diff --git a/ethereal/assets/qml/webapp.qml b/ethereal/assets/qml/webapp.qml
index d02c9a82e..1f3c3874a 100644
--- a/ethereal/assets/qml/webapp.qml
+++ b/ethereal/assets/qml/webapp.qml
@@ -39,7 +39,7 @@ ApplicationWindow {
 			experimental.preferences.javascriptEnabled: true
 			experimental.preferences.navigatorQtObjectEnabled: true
 			experimental.preferences.developerExtrasEnabled: true
-			experimental.userScripts: [ui.assetPath("ethereum.js")]
+			experimental.userScripts: [ui.assetPath("ext/pre.js"), ui.assetPath("ext/big.js"), ui.assetPath("ext/string.js"), ui.assetPath("ext/ethereum.js")]
 			experimental.onMessageReceived: {
 				console.log("[onMessageReceived]: ", message.data)
 				// TODO move to messaging.js
diff --git a/ethereal/assets/samplecoin/samplecoin.html b/ethereal/assets/samplecoin/samplecoin.html
index c1ee941a2..384936780 100644
--- a/ethereal/assets/samplecoin/samplecoin.html
+++ b/ethereal/assets/samplecoin/samplecoin.html
@@ -5,19 +5,18 @@
 <link rel="stylesheet" href="bootstrap.min.css">
 <link rel="stylesheet" href="bootstrap-theme.min.css">
 <link rel="stylesheet" href="samplecoin.css">
-<script src="promise.min.js"></script>
 <meta name="viewport" content="minimum-scale=1; maximum-scale=1; initial-scale=1;">
 
 <script type="text/javascript">
 
-var jefcoinAddr = "3dff537f51350239abc95c76a5864aa605259e7d"
+var jefcoinAddr = "b7cb72c47ec4f31751d0d628b5a33fd6671bbba0"
 var mAddr = ""
 
 function createTransaction() {
-	var addr = document.querySelector("#addr").value;
-	var amount = document.querySelector("#amount").value;
+	var addr = ("0x" + document.querySelector("#addr").value).pad(32);
+	var amount = document.querySelector("#amount").value.pad(32);
 
-	var data = (("0x"+addr).pad(32) + amount.pad(32)).unbin()
+	var data = (addr + amount).unbin();
 	eth.transact(mAddr, jefcoinAddr, 0, "10000000", "250", data, function(receipt) {
 		debug("received tx hash:", reciept.address)
 	})
@@ -27,9 +26,8 @@ function init() {
 	eth.set({width: 500});
 
 	eth.getKey(function(sec) {
+		mAddr = sec;
 		eth.getSecretToAddress(sec, function(addr) {
-			mAddr = addr;
-
 			eth.getStorageAt(jefcoinAddr, addr, function(storage) {
 				document.querySelector("#current-amount").innerHTML = storage;
 			});
diff --git a/ethereal/ethereum.go b/ethereal/ethereum.go
index f3240adec..8b8889e37 100644
--- a/ethereal/ethereum.go
+++ b/ethereal/ethereum.go
@@ -42,7 +42,6 @@ func main() {
 
 	ethchain.InitFees()
 	ethutil.ReadConfig(DataDir)
-	ethutil.Config.Seed = UseSeed
 
 	// Instantiated a eth stack
 	ethereum, err := eth.New(eth.CapDefault, UseUPnP)
diff --git a/ethereal/ui/gui.go b/ethereal/ui/gui.go
index 522c081a3..92c6e9389 100644
--- a/ethereal/ui/gui.go
+++ b/ethereal/ui/gui.go
@@ -9,6 +9,7 @@ import (
 	"github.com/ethereum/eth-go/ethpub"
 	"github.com/ethereum/eth-go/ethutil"
 	"github.com/go-qml/qml"
+	"github.com/obscuren/mutan"
 	"math/big"
 	"strings"
 )
@@ -28,6 +29,8 @@ type Gui struct {
 	txDb *ethdb.LDBDatabase
 
 	addr []byte
+
+	pub *ethpub.PEthereum
 }
 
 // Create GUI, but doesn't start it
@@ -46,14 +49,16 @@ func New(ethereum *eth.Ethereum) *Gui {
 		key := ethutil.Config.Db.GetKeys()[0]
 		addr = key.Address()
 
-		ethereum.StateManager().WatchAddr(addr)
+		//ethereum.StateManager().WatchAddr(addr)
 	}
 
-	return &Gui{eth: ethereum, lib: lib, txDb: db, addr: addr}
+	pub := ethpub.NewPEthereum(ethereum.StateManager(), ethereum.BlockChain(), ethereum.TxPool())
+
+	return &Gui{eth: ethereum, lib: lib, txDb: db, addr: addr, pub: pub}
 }
 
-func (ui *Gui) Start(assetPath string) {
-	defer ui.txDb.Close()
+func (gui *Gui) Start(assetPath string) {
+	defer gui.txDb.Close()
 
 	// Register ethereum functions
 	qml.RegisterTypes("Ethereum", 1, 0, []qml.TypeSpec{{
@@ -62,15 +67,15 @@ func (ui *Gui) Start(assetPath string) {
 		Init: func(p *ethpub.PTx, obj qml.Object) { p.Value = ""; p.Hash = ""; p.Address = "" },
 	}})
 
-	ethutil.Config.SetClientString(fmt.Sprintf("/Ethereal v%s", "0.2"))
+	ethutil.Config.SetClientString(fmt.Sprintf("/Ethereal v%s", "0.5.0 RC2"))
 	ethutil.Config.Log.Infoln("[GUI] Starting GUI")
 	// Create a new QML engine
-	ui.engine = qml.NewEngine()
-	context := ui.engine.Context()
+	gui.engine = qml.NewEngine()
+	context := gui.engine.Context()
 
 	// Expose the eth library and the ui library to QML
-	context.SetVar("eth", ui.lib)
-	uiLib := NewUiLib(ui.engine, ui.eth, assetPath)
+	context.SetVar("eth", gui)
+	uiLib := NewUiLib(gui.engine, gui.eth, assetPath)
 	context.SetVar("ui", uiLib)
 
 	// Load the main QML interface
@@ -80,9 +85,9 @@ func (ui *Gui) Start(assetPath string) {
 	firstRun := len(data) == 0
 
 	if firstRun {
-		component, err = ui.engine.LoadFile(uiLib.AssetPath("qml/first_run.qml"))
+		component, err = gui.engine.LoadFile(uiLib.AssetPath("qml/first_run.qml"))
 	} else {
-		component, err = ui.engine.LoadFile(uiLib.AssetPath("qml/wallet.qml"))
+		component, err = gui.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'")
@@ -90,65 +95,60 @@ func (ui *Gui) Start(assetPath string) {
 		panic(err)
 	}
 
-	ui.win = component.CreateWindow(nil)
-	uiLib.win = ui.win
-	db := &Debugger{ui.win, make(chan bool)}
-	ui.lib.Db = db
+	gui.win = component.CreateWindow(nil)
+	uiLib.win = gui.win
+	db := &Debugger{gui.win, make(chan bool)}
+	gui.lib.Db = db
 	uiLib.Db = db
 
-	// Register the ui as a block processor
-	//ui.eth.BlockManager.SecondaryBlockProcessor = ui
-	//ui.eth.TxPool.SecondaryProcessor = ui
-
 	// Add the ui as a log system so we can log directly to the UGI
-	ethutil.Config.Log.AddLogSystem(ui)
+	ethutil.Config.Log.AddLogSystem(gui)
 
 	// Loads previous blocks
 	if firstRun == false {
-		go ui.setInitialBlockChain()
-		go ui.readPreviousTransactions()
-		go ui.update()
+		go gui.setInitialBlockChain()
+		go gui.readPreviousTransactions()
+		go gui.update()
 	}
 
-	ui.win.Show()
-	ui.win.Wait()
+	gui.win.Show()
+	gui.win.Wait()
 
-	ui.eth.Stop()
+	gui.eth.Stop()
 }
 
-func (ui *Gui) setInitialBlockChain() {
+func (gui *Gui) setInitialBlockChain() {
 	// Load previous 10 blocks
-	chain := ui.eth.BlockChain().GetChain(ui.eth.BlockChain().CurrentBlock.Hash(), 10)
+	chain := gui.eth.BlockChain().GetChain(gui.eth.BlockChain().CurrentBlock.Hash(), 10)
 	for _, block := range chain {
-		ui.ProcessBlock(block)
+		gui.processBlock(block)
 	}
 
 }
 
-func (ui *Gui) readPreviousTransactions() {
-	it := ui.txDb.Db().NewIterator(nil, nil)
+func (gui *Gui) readPreviousTransactions() {
+	it := gui.txDb.Db().NewIterator(nil, nil)
 	for it.Next() {
 		tx := ethchain.NewTransactionFromBytes(it.Value())
 
-		ui.win.Root().Call("addTx", ethpub.NewPTx(tx))
+		gui.win.Root().Call("addTx", ethpub.NewPTx(tx))
 	}
 	it.Release()
 }
 
-func (ui *Gui) ProcessBlock(block *ethchain.Block) {
-	ui.win.Root().Call("addBlock", ethpub.NewPBlock(block))
+func (gui *Gui) processBlock(block *ethchain.Block) {
+	gui.win.Root().Call("addBlock", ethpub.NewPBlock(block))
 }
 
 // Simple go routine function that updates the list of peers in the GUI
-func (ui *Gui) update() {
+func (gui *Gui) update() {
 	txChan := make(chan ethchain.TxMsg, 1)
-	ui.eth.TxPool().Subscribe(txChan)
+	gui.eth.TxPool().Subscribe(txChan)
 
-	account := ui.eth.StateManager().GetAddrState(ui.addr).Object
-	unconfirmedFunds := new(big.Int)
-	ui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(account.Amount)))
+	state := gui.eth.StateManager().TransState()
 
-	addrState := ui.eth.StateManager().GetAddrState(ui.addr)
+	unconfirmedFunds := new(big.Int)
+	gui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(state.GetStateObject(gui.addr).Amount)))
 
 	for {
 		select {
@@ -156,15 +156,19 @@ func (ui *Gui) update() {
 			tx := txMsg.Tx
 
 			if txMsg.Type == ethchain.TxPre {
-				if bytes.Compare(tx.Sender(), ui.addr) == 0 && addrState.Nonce <= tx.Nonce {
-					ui.win.Root().Call("addTx", ethpub.NewPTx(tx))
-					ui.txDb.Put(tx.Hash(), tx.RlpEncode())
+				object := state.GetStateObject(gui.addr)
+
+				if bytes.Compare(tx.Sender(), gui.addr) == 0 && object.Nonce <= tx.Nonce {
+					gui.win.Root().Call("addTx", ethpub.NewPTx(tx))
+					gui.txDb.Put(tx.Hash(), tx.RlpEncode())
+
+					object.Nonce += 1
+					state.SetStateObject(object)
 
-					addrState.Nonce += 1
 					unconfirmedFunds.Sub(unconfirmedFunds, tx.Value)
-				} else if bytes.Compare(tx.Recipient, ui.addr) == 0 {
-					ui.win.Root().Call("addTx", ethpub.NewPTx(tx))
-					ui.txDb.Put(tx.Hash(), tx.RlpEncode())
+				} else if bytes.Compare(tx.Recipient, gui.addr) == 0 {
+					gui.win.Root().Call("addTx", ethpub.NewPTx(tx))
+					gui.txDb.Put(tx.Hash(), tx.RlpEncode())
 
 					unconfirmedFunds.Add(unconfirmedFunds, tx.Value)
 				}
@@ -174,46 +178,52 @@ func (ui *Gui) update() {
 					pos = "-"
 				}
 				val := ethutil.CurrencyToString(new(big.Int).Abs(ethutil.BigCopy(unconfirmedFunds)))
-				str := fmt.Sprintf("%v (%s %v)", ethutil.CurrencyToString(account.Amount), pos, val)
+				str := fmt.Sprintf("%v (%s %v)", ethutil.CurrencyToString(object.Amount), pos, val)
 
-				ui.win.Root().Call("setWalletValue", str)
+				gui.win.Root().Call("setWalletValue", str)
 			} else {
-				amount := account.Amount
-				if bytes.Compare(tx.Sender(), ui.addr) == 0 {
-					amount.Sub(account.Amount, tx.Value)
-				} else if bytes.Compare(tx.Recipient, ui.addr) == 0 {
-					amount.Add(account.Amount, tx.Value)
+				object := state.GetStateObject(gui.addr)
+				if bytes.Compare(tx.Sender(), gui.addr) == 0 {
+					object.SubAmount(tx.Value)
+				} else if bytes.Compare(tx.Recipient, gui.addr) == 0 {
+					object.AddAmount(tx.Value)
 				}
 
-				ui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(amount)))
+				gui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(object.Amount)))
+
+				state.SetStateObject(object)
 			}
 		}
-
-		/*
-			accountAmount := ui.eth.BlockManager.GetAddrState(ui.addr).Account.Amount
-			ui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", accountAmount))
-
-			ui.win.Root().Call("setPeers", fmt.Sprintf("%d / %d", ui.eth.Peers().Len(), ui.eth.MaxPeers))
-
-			time.Sleep(1 * time.Second)
-		*/
-
 	}
 }
 
 // Logging functions that log directly to the GUI interface
-func (ui *Gui) Println(v ...interface{}) {
+func (gui *Gui) Println(v ...interface{}) {
 	str := strings.TrimRight(fmt.Sprintln(v...), "\n")
 	lines := strings.Split(str, "\n")
 	for _, line := range lines {
-		ui.win.Root().Call("addLog", line)
+		gui.win.Root().Call("addLog", line)
 	}
 }
 
-func (ui *Gui) Printf(format string, v ...interface{}) {
+func (gui *Gui) Printf(format string, v ...interface{}) {
 	str := strings.TrimRight(fmt.Sprintf(format, v...), "\n")
 	lines := strings.Split(str, "\n")
 	for _, line := range lines {
-		ui.win.Root().Call("addLog", line)
+		gui.win.Root().Call("addLog", line)
 	}
 }
+
+func (gui *Gui) Transact(recipient, value, gas, gasPrice, data string) (*ethpub.PReceipt, error) {
+	keyPair := ethutil.Config.Db.GetKeys()[0]
+
+	return gui.pub.Transact(ethutil.Hex(keyPair.PrivateKey), recipient, value, gas, gasPrice, data)
+}
+
+func (gui *Gui) Create(recipient, value, gas, gasPrice, data string) (*ethpub.PReceipt, error) {
+	keyPair := ethutil.Config.Db.GetKeys()[0]
+
+	mainInput, initInput := mutan.PreProcess(data)
+
+	return gui.pub.Create(ethutil.Hex(keyPair.PrivateKey), value, gas, gasPrice, initInput, mainInput)
+}
diff --git a/ethereal/ui/library.go b/ethereal/ui/library.go
index 1328cd6b7..c889efb45 100644
--- a/ethereal/ui/library.go
+++ b/ethereal/ui/library.go
@@ -1,10 +1,8 @@
 package ethui
 
 import (
-	"encoding/hex"
 	"fmt"
 	"github.com/ethereum/eth-go/ethchain"
-	"github.com/ethereum/eth-go/ethpub"
 	"github.com/ethereum/eth-go/ethutil"
 	"github.com/ethereum/go-ethereum/utils"
 	"github.com/obscuren/secp256k1-go"
@@ -43,86 +41,3 @@ func (lib *EthLib) CreateAndSetPrivKey() (string, string, string, string) {
 	mnemonicString := strings.Join(mne, " ")
 	return mnemonicString, fmt.Sprintf("%x", pair.Address()), fmt.Sprintf("%x", prv), fmt.Sprintf("%x", pub)
 }
-
-func (lib *EthLib) GetKey() string {
-	return ethutil.Hex(ethutil.Config.Db.GetKeys()[0].Address())
-}
-
-func (lib *EthLib) GetStateObject(address string) *ethpub.PStateObject {
-	stateObject := lib.stateManager.ProcState().GetContract(ethutil.FromHex(address))
-	if stateObject != nil {
-		return ethpub.NewPStateObject(stateObject)
-	}
-
-	// See GetStorage for explanation on "nil"
-	return ethpub.NewPStateObject(nil)
-}
-
-func (lib *EthLib) Watch(addr, storageAddr string) {
-	//	lib.stateManager.Watch(ethutil.FromHex(addr), ethutil.FromHex(storageAddr))
-}
-
-func (lib *EthLib) CreateTx(recipient, valueStr, gasStr, gasPriceStr, dataStr string) (string, error) {
-	return lib.Transact(recipient, valueStr, gasStr, gasPriceStr, dataStr)
-}
-
-func (lib *EthLib) Transact(recipient, valueStr, gasStr, gasPriceStr, dataStr string) (string, error) {
-	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
-		}
-	}
-
-	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 {
-		// Compile script
-		mainScript, initScript, err := utils.CompileScript(dataStr)
-		if err != nil {
-			return "", err
-		}
-
-		tx = ethchain.NewContractCreationTx(value, gas, gasPrice, mainScript, initScript)
-	} else {
-		lines := strings.Split(dataStr, "\n")
-		var data []byte
-		for _, line := range lines {
-			data = append(data, ethutil.BigToBytes(ethutil.Big(line), 256)...)
-		}
-
-		tx = ethchain.NewTransactionMessage(hash, value, gas, gasPrice, data)
-	}
-	acc := lib.stateManager.GetAddrState(keyPair.Address())
-	tx.Nonce = acc.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()), nil
-}
-
-func (lib *EthLib) GetBlock(hexHash string) *ethpub.PBlock {
-	hash, err := hex.DecodeString(hexHash)
-	if err != nil {
-		return nil
-	}
-
-	block := lib.blockChain.GetBlock(hash)
-
-	return &ethpub.PBlock{Number: int(block.BlockInfo().Number), Hash: ethutil.Hex(block.Hash())}
-}
diff --git a/ethereal/ui/ui_lib.go b/ethereal/ui/ui_lib.go
index 0feb522bc..35ceb7d79 100644
--- a/ethereal/ui/ui_lib.go
+++ b/ethereal/ui/ui_lib.go
@@ -59,14 +59,6 @@ func (ui *UiLib) OpenHtml(path string) {
 	go app.run()
 }
 
-func (ui *UiLib) Watch(addr, storageAddr string) {
-	if len(storageAddr) == 0 {
-		ui.eth.Reactor().Subscribe("storage:"+string(ethutil.FromHex(addr))+":"+string(ethutil.FromHex(storageAddr)), nil)
-	} else {
-		ui.eth.Reactor().Subscribe("object:"+string(ethutil.FromHex(addr)), nil)
-	}
-}
-
 func (ui *UiLib) Muted(content string) {
 	component, err := ui.engine.LoadFile(ui.AssetPath("qml/muted.qml"))
 	if err != nil {
@@ -78,8 +70,6 @@ func (ui *UiLib) Muted(content string) {
 	go func() {
 		path := "file://" + ui.AssetPath("muted/index.html")
 		win.Set("url", path)
-		//debuggerPath := "file://" + ui.AssetPath("muted/debugger.html")
-		//win.Set("debugUrl", debuggerPath)
 
 		win.Show()
 		win.Wait()
@@ -88,7 +78,7 @@ func (ui *UiLib) Muted(content string) {
 
 func (ui *UiLib) Connect(button qml.Object) {
 	if !ui.connected {
-		ui.eth.Start()
+		ui.eth.Start(true)
 		ui.connected = true
 		button.Set("enabled", false)
 	}
@@ -149,9 +139,9 @@ func (ui *UiLib) DebugTx(recipient, valueStr, gasStr, gasPriceStr, data string)
 
 	// Contract addr as test address
 	keyPair := ethutil.Config.Db.GetKeys()[0]
-	account := ui.eth.StateManager().GetAddrState(keyPair.Address()).Object
+	account := ui.eth.StateManager().TransState().GetStateObject(keyPair.Address())
 	c := ethchain.MakeContract(callerTx, state)
-	callerClosure := ethchain.NewClosure(account, c, c.Script(), state, ethutil.Big(gasStr), ethutil.Big(gasPriceStr), ethutil.Big(valueStr))
+	callerClosure := ethchain.NewClosure(account, c, c.Script(), state, ethutil.Big(gasStr), ethutil.Big(gasPriceStr))
 
 	block := ui.eth.BlockChain().CurrentBlock
 	vm := ethchain.NewVm(state, ui.eth.StateManager(), ethchain.RuntimeVars{
diff --git a/ethereum/ethereum.go b/ethereum/ethereum.go
index 8719f3e87..2f05bf2a1 100644
--- a/ethereum/ethereum.go
+++ b/ethereum/ethereum.go
@@ -73,7 +73,6 @@ func main() {
 	}*/
 
 	ethchain.InitFees()
-	ethutil.Config.Seed = UseSeed
 
 	// Instantiated a eth stack
 	ethereum, err := eth.New(eth.CapDefault, UseUPnP)
@@ -139,7 +138,8 @@ func main() {
 	}
 
 	RegisterInterrupts(ethereum)
-	ethereum.Start()
+
+	ethereum.Start(UseSeed)
 
 	if StartMining {
 		logger.Infoln("Miner started")