Merge branch 'develop' of github.com:ethereum/eth-go into develop

.gitignore

@@ -9,4 +9,3 @@
 *un~
 .DS_Store
 */**/.DS_Store
-

.travis.yml

@@ -0,0 +1,4 @@
+before_install: sudo apt-get install libgmp3-dev
+language: go
+go:
+  - 1.2

ethereal/Makefile

@@ -0,0 +1,22 @@
+UNAME = $(shell uname)
+FILES=qml *.png
+GOPATH=$(PWD)
+
+
+# Default is building
+all:
+	go get -d
+	cp *.go $(GOPATH)/src/github.com/ethereum/go-ethereum
+	cp -r ui $(GOPATH)/src/github.com/ethereum/go-ethereum
+	go build
+
+install:
+# Linux build
+ifeq ($(UNAME),Linux)
+	cp -r assets/* /usr/share/ethereal
+	cp go-ethereum /usr/local/bin/ethereal
+endif
+# OS X build
+ifeq ($(UNAME),Darwin)
+	# Execute py script
+endif

ethereal/assets/debugger/debugger.qml

@@ -0,0 +1,270 @@
+import QtQuick 2.0
+import QtQuick.Controls 1.0;
+import QtQuick.Layouts 1.0;
+import QtQuick.Dialogs 1.0;
+import QtQuick.Window 2.1;
+import QtQuick.Controls.Styles 1.1
+import Ethereum 1.0
+
+ApplicationWindow {
+	visible: false
+	title: "IceCREAM"
+	minimumWidth: 1280
+	minimumHeight: 700
+	width: 1290
+	height: 700
+
+	property alias codeText: codeEditor.text
+	property alias dataText: rawDataField.text
+
+	MenuBar {
+		Menu {
+			title: "Debugger"
+			MenuItem {
+				text: "Run"
+				shortcut: "Ctrl+r"
+				onTriggered: debugCurrent()
+			}
+
+			MenuItem {
+				text: "Next"
+				shortcut: "Ctrl+n"
+				onTriggered: dbg.next()
+			}
+		}
+	}
+
+	SplitView {
+		anchors.fill: parent
+		property var asmModel: ListModel {
+			id: asmModel
+		}
+		TableView {
+			id: asmTableView
+			width: 200
+			TableViewColumn{ role: "value" ; title: "" ; width: 200 }
+			model: asmModel
+		}
+
+		Rectangle {
+			color: "#00000000"
+			anchors.left: asmTableView.right
+			anchors.right: parent.right
+			SplitView {
+				orientation: Qt.Vertical
+				anchors.fill: parent
+
+				Rectangle {
+					color: "#00000000"
+					height: 330
+					anchors.left: parent.left
+					anchors.right: parent.right
+
+					TextArea {
+						id: codeEditor
+						anchors.top: parent.top
+						anchors.bottom: parent.bottom
+						anchors.left: parent.left
+						anchors.right: settings.left
+					}
+
+					Column {
+						id: settings
+						spacing: 5
+						width: 300
+						height: parent.height
+						anchors.right: parent.right
+						anchors.top: parent.top
+						anchors.bottom: parent.bottom
+
+						Label {
+							text: "Arbitrary data"
+						}
+						TextArea {
+							id: rawDataField
+							anchors.left: parent.left
+							anchors.right: parent.right
+							height: 150
+						}
+
+						Label {
+							text: "Amount"
+						}
+						TextField {
+							id: txValue
+							width: 200
+							placeholderText: "Amount"
+							validator: RegExpValidator { regExp: /\d*/ }
+						}
+						Label {
+							text: "Amount of gas"
+						}
+						TextField {
+							id: txGas
+							width: 200
+							validator: RegExpValidator { regExp: /\d*/ }
+							text: "10000"
+							placeholderText: "Gas"
+						}
+						Label {
+							text: "Gas price"
+						}
+						TextField {
+							id: txGasPrice
+							width: 200
+							placeholderText: "Gas price"
+							text: "1000000000000"
+							validator: RegExpValidator { regExp: /\d*/ }
+						}
+					}
+				}
+
+				SplitView {
+					orientation: Qt.Vertical
+					id: inspectorPane
+					height: 500
+
+					SplitView {
+						orientation: Qt.Horizontal
+						height: 150
+
+						TableView {
+							id: stackTableView
+							property var stackModel: ListModel {
+								id: stackModel
+							}
+							height: parent.height
+							width: 300
+							TableViewColumn{ role: "value" ; title: "Temp" ; width: 200 }
+							model: stackModel
+						}
+
+						TableView {
+							id: memoryTableView
+							property var memModel: ListModel {
+								id: memModel
+							}
+							height: parent.height
+							width: parent.width - stackTableView.width
+							TableViewColumn{ id:mnumColmn ; role: "num" ; title: "#" ; width: 50}
+							TableViewColumn{ role: "value" ; title: "Memory" ; width: 750}
+							model: memModel
+						}
+					}
+
+					Rectangle {
+						height: 100
+						width: parent.width
+						TableView {
+							id: storageTableView
+							property var memModel: ListModel {
+								id: storageModel
+							}
+							height: parent.height
+							width: parent.width
+							TableViewColumn{ id: key ; role: "key" ; title: "#" ; width: storageTableView.width / 2}
+							TableViewColumn{ role: "value" ; title: "Storage" ; width:  storageTableView.width / 2}
+							model: storageModel
+						}
+					}
+
+					Rectangle {
+						height: 200
+						width: parent.width
+						TableView {
+							id: logTableView
+							property var logModel: ListModel {
+								id: logModel
+							}
+							height: parent.height
+							width: parent.width
+							TableViewColumn{ id: message ; role: "message" ; title: "log" ; width: logTableView.width }
+							model: logModel
+						}
+					}
+				}
+			}
+		}
+	}
+
+	toolBar: ToolBar {
+		RowLayout {
+			spacing: 5
+
+			Button {
+				property var enabled: true
+				id: debugStart
+				onClicked: {
+					debugCurrent()
+				}
+				text: "Debug"
+			}
+
+			Button {
+				property var enabled: true
+				id: debugNextButton
+				onClicked: {
+					dbg.next()
+				}
+				text: "Next"
+			}
+			CheckBox {
+				id: breakEachLine
+				objectName: "breakEachLine"
+				text: "Break each instruction"
+				checked: true
+			}
+		}
+	}
+
+	function debugCurrent() {
+		dbg.debug(txValue.text, txGas.text, txGasPrice.text, codeEditor.text, rawDataField.text)
+	}
+
+	function setAsm(asm) {
+		asmModel.append({asm: asm})
+	}
+
+	function clearAsm() {
+		asmModel.clear()
+	}
+
+	function setInstruction(num) {
+		asmTableView.selection.clear()
+		asmTableView.selection.select(num)
+	}
+
+	function setMem(mem) {
+		memModel.append({num: mem.num, value: mem.value})
+	}
+	function clearMem(){
+		memModel.clear()
+	}
+
+	function setStack(stack) {
+		stackModel.append({value: stack})
+	}
+	function addDebugMessage(message){
+		debuggerLog.append({value: message})
+	}
+
+	function clearStack() {
+		stackModel.clear()
+	}
+
+	function clearStorage() {
+		storageModel.clear()
+	}
+
+	function setStorage(storage) {
+		storageModel.append({key: storage.key, value: storage.value})
+	}
+
+	function setLog(msg) {
+		logModel.insert(0, {message: msg})
+	}
+
+	function clearLog() {
+		logModel.clear()
+	}
+}

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;
+}
+

ethereal/assets/ext/ethereum.js

@@ -0,0 +1,145 @@
+// Main Ethereum library
+window.eth = {
+	prototype: Object(),
+
+	// Retrieve block
+	//
+	// Either supply a number or a string. Type is determent for the lookup method
+	// string - Retrieves the block by looking up the hash
+	// number - Retrieves the block by looking up the block number
+        getBlock: function(numberOrHash, cb) {
+                var func;
+                if(typeof numberOrHash == "string") {
+                        func =  "getBlockByHash";
+                } else {
+                        func =  "getBlockByNumber";
+                }
+                postData({call: func, args: [numberOrHash]}, cb);
+        },
+
+	// Create transaction
+	//
+	// Transact between two state objects
+	transact: function(sec, recipient, value, gas, gasPrice, data, cb) {
+		postData({call: "transact", args: [sec, recipient, value, gas, gasPrice, data]}, cb);
+	},
+
+	create: function(sec, value, gas, gasPrice, init, body, cb) {
+		postData({call: "create", args: [sec, value, gas, gasPrice, init, body]}, cb);
+	},
+
+	getStorageAt: function(address, storageAddress, cb) {
+		postData({call: "getStorage", args: [address, storageAddress]}, cb);
+	},
+
+	getStateKeyVals: function(address, cb){
+		postData({call: "getStateKeyVals", args: [address]}, cb);
+	},
+
+	getKey: function(cb) {
+		postData({call: "getKey"}, cb);
+	},
+
+	getTxCountAt: function(address, cb) {
+		postData({call: "getTxCountAt", args: [address]}, cb);
+	},
+	getIsMining: function(cb){
+		postData({call: "getIsMining"}, cb)
+	},
+	getIsListening: function(cb){
+		postData({call: "getIsListening"}, cb)
+	},
+	getCoinBase: function(cb){
+		postData({call: "getCoinBase"}, cb);
+	},
+	getPeerCount: function(cb){
+		postData({call: "getPeerCount"}, cb);
+	},
+	getBalanceAt: function(address, cb) {
+		postData({call: "getBalance", args: [address]}, cb);
+	},
+	getTransactionsFor: function(address, cb) {
+		postData({call: "getTransactionsFor", args: [address]}, cb);
+	},
+
+	getSecretToAddress: function(sec, cb) {
+		postData({call: "getSecretToAddress", args: [sec]}, cb);
+	},
+
+	watch: function(address, storageAddrOrCb, cb) {
+		var ev;
+		if(cb === undefined) {
+			cb = storageAddrOrCb;
+			storageAddrOrCb = "";
+			ev = "object:"+address;
+		} else {
+			ev = "storage:"+address+":"+storageAddrOrCb;
+		}
+
+		eth.on(ev, cb)
+
+		postData({call: "watch", args: [address, storageAddrOrCb]});
+	},
+
+	disconnect: function(address, storageAddrOrCb, cb) {
+		var ev;
+		if(cb === undefined) {
+			cb = storageAddrOrCb;
+			storageAddrOrCb = "";
+			ev = "object:"+address;
+		} else {
+			ev = "storage:"+address+":"+storageAddrOrCb;
+		}
+
+		eth.off(ev, cb)
+
+		postData({call: "disconnect", args: [address, storageAddrOrCb]});
+	},
+
+	set: function(props) {
+		postData({call: "set", args: props});
+	},
+
+	on: function(event, cb) {
+		if(eth._onCallbacks[event] === undefined) {
+			eth._onCallbacks[event] = [];
+		}
+
+		eth._onCallbacks[event].push(cb);
+
+		return this
+	},
+
+	off: function(event, cb) {
+		if(eth._onCallbacks[event] !== undefined) {
+			var callbacks = eth._onCallbacks[event];
+			for(var i = 0; i < callbacks.length; i++) {
+				if(callbacks[i] === cb) {
+					delete callbacks[i];
+				}
+			}
+		}
+
+		return this
+	},
+
+	trigger: function(event, data) {
+		var callbacks = eth._onCallbacks[event];
+		if(callbacks !== undefined) {
+			for(var i = 0; i < callbacks.length; i++) {
+				// Figure out whether the returned data was an array
+				// array means multiple return arguments (multiple params)
+				if(data instanceof Array) {
+					callbacks[i].apply(this, data);
+				} else {
+					callbacks[i].call(this, data);
+				}
+			}
+		}
+	},
+
+
+}
+window.eth._callbacks = {}
+window.eth._onCallbacks = {}
+

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;
+}

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()
+}

ethereal/assets/muted/codemirror.css

@@ -0,0 +1,272 @@
+/* BASICS */
+
+.CodeMirror {
+  /* Set height, width, borders, and global font properties here */
+  font-family: monospace;
+  height: 300px;
+}
+.CodeMirror-scroll {
+  /* Set scrolling behaviour here */
+  overflow: auto;
+}
+
+/* PADDING */
+
+.CodeMirror-lines {
+  padding: 4px 0; /* Vertical padding around content */
+}
+.CodeMirror pre {
+  padding: 0 4px; /* Horizontal padding of content */
+}
+
+.CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
+  background-color: white; /* The little square between H and V scrollbars */
+}
+
+/* GUTTER */
+
+.CodeMirror-gutters {
+  border-right: 1px solid #ddd;
+  background-color: #f7f7f7;
+  white-space: nowrap;
+}
+.CodeMirror-linenumbers {}
+.CodeMirror-linenumber {
+  padding: 0 3px 0 5px;
+  min-width: 20px;
+  text-align: right;
+  color: #999;
+  -moz-box-sizing: content-box;
+  box-sizing: content-box;
+}
+
+/* CURSOR */
+
+.CodeMirror div.CodeMirror-cursor {
+  border-left: 1px solid black;
+}
+/* Shown when moving in bi-directional text */
+.CodeMirror div.CodeMirror-secondarycursor {
+  border-left: 1px solid silver;
+}
+.CodeMirror.cm-keymap-fat-cursor div.CodeMirror-cursor {
+  width: auto;
+  border: 0;
+  background: #7e7;
+}
+/* Can style cursor different in overwrite (non-insert) mode */
+div.CodeMirror-overwrite div.CodeMirror-cursor {}
+
+.cm-tab { display: inline-block; }
+
+.CodeMirror-ruler {
+  border-left: 1px solid #ccc;
+  position: absolute;
+}
+
+/* DEFAULT THEME */
+
+.cm-s-default .cm-keyword {color: #708;}
+.cm-s-default .cm-atom {color: #219;}
+.cm-s-default .cm-number {color: #164;}
+.cm-s-default .cm-def {color: #00f;}
+.cm-s-default .cm-variable,
+.cm-s-default .cm-punctuation,
+.cm-s-default .cm-property,
+.cm-s-default .cm-operator {}
+.cm-s-default .cm-variable-2 {color: #05a;}
+.cm-s-default .cm-variable-3 {color: #085;}
+.cm-s-default .cm-comment {color: #a50;}
+.cm-s-default .cm-string {color: #a11;}
+.cm-s-default .cm-string-2 {color: #f50;}
+.cm-s-default .cm-meta {color: #555;}
+.cm-s-default .cm-qualifier {color: #555;}
+.cm-s-default .cm-builtin {color: #30a;}
+.cm-s-default .cm-bracket {color: #997;}
+.cm-s-default .cm-tag {color: #170;}
+.cm-s-default .cm-attribute {color: #00c;}
+.cm-s-default .cm-header {color: blue;}
+.cm-s-default .cm-quote {color: #090;}
+.cm-s-default .cm-hr {color: #999;}
+.cm-s-default .cm-link {color: #00c;}
+
+.cm-negative {color: #d44;}
+.cm-positive {color: #292;}
+.cm-header, .cm-strong {font-weight: bold;}
+.cm-em {font-style: italic;}
+.cm-link {text-decoration: underline;}
+
+.cm-s-default .cm-error {color: #f00;}
+.cm-invalidchar {color: #f00;}
+
+div.CodeMirror span.CodeMirror-matchingbracket {color: #0f0;}
+div.CodeMirror span.CodeMirror-nonmatchingbracket {color: #f22;}
+.CodeMirror-activeline-background {background: #e8f2ff;}
+
+/* STOP */
+
+/* The rest of this file contains styles related to the mechanics of
+   the editor. You probably shouldn't touch them. */
+
+.CodeMirror {
+  line-height: 1;
+  position: relative;
+  overflow: hidden;
+  background: white;
+  color: black;
+}
+
+.CodeMirror-scroll {
+  /* 30px is the magic margin used to hide the element's real scrollbars */
+  /* See overflow: hidden in .CodeMirror */
+  margin-bottom: -30px; margin-right: -30px;
+  padding-bottom: 30px;
+  height: 100%;
+  outline: none; /* Prevent dragging from highlighting the element */
+  position: relative;
+  -moz-box-sizing: content-box;
+  box-sizing: content-box;
+}
+.CodeMirror-sizer {
+  position: relative;
+  border-right: 30px solid transparent;
+  -moz-box-sizing: content-box;
+  box-sizing: content-box;
+}
+
+/* The fake, visible scrollbars. Used to force redraw during scrolling
+   before actuall scrolling happens, thus preventing shaking and
+   flickering artifacts. */
+.CodeMirror-vscrollbar, .CodeMirror-hscrollbar, .CodeMirror-scrollbar-filler, .CodeMirror-gutter-filler {
+  position: absolute;
+  z-index: 6;
+  display: none;
+}
+.CodeMirror-vscrollbar {
+  right: 0; top: 0;
+  overflow-x: hidden;
+  overflow-y: scroll;
+}
+.CodeMirror-hscrollbar {
+  bottom: 0; left: 0;
+  overflow-y: hidden;
+  overflow-x: scroll;
+}
+.CodeMirror-scrollbar-filler {
+  right: 0; bottom: 0;
+}
+.CodeMirror-gutter-filler {
+  left: 0; bottom: 0;
+}
+
+.CodeMirror-gutters {
+  position: absolute; left: 0; top: 0;
+  padding-bottom: 30px;
+  z-index: 3;
+}
+.CodeMirror-gutter {
+  white-space: normal;
+  height: 100%;
+  -moz-box-sizing: content-box;
+  box-sizing: content-box;
+  padding-bottom: 30px;
+  margin-bottom: -32px;
+  display: inline-block;
+  /* Hack to make IE7 behave */
+  *zoom:1;
+  *display:inline;
+}
+.CodeMirror-gutter-elt {
+  position: absolute;
+  cursor: default;
+  z-index: 4;
+}
+
+.CodeMirror-lines {
+  cursor: text;
+}
+.CodeMirror pre {
+  /* Reset some styles that the rest of the page might have set */
+  -moz-border-radius: 0; -webkit-border-radius: 0; border-radius: 0;
+  border-width: 0;
+  background: transparent;
+  font-family: inherit;
+  font-size: inherit;
+  margin: 0;
+  white-space: pre;
+  word-wrap: normal;
+  line-height: inherit;
+  color: inherit;
+  z-index: 2;
+  position: relative;
+  overflow: visible;
+}
+.CodeMirror-wrap pre {
+  word-wrap: break-word;
+  white-space: pre-wrap;
+  word-break: normal;
+}
+
+.CodeMirror-linebackground {
+  position: absolute;
+  left: 0; right: 0; top: 0; bottom: 0;
+  z-index: 0;
+}
+
+.CodeMirror-linewidget {
+  position: relative;
+  z-index: 2;
+  overflow: auto;
+}
+
+.CodeMirror-widget {}
+
+.CodeMirror-wrap .CodeMirror-scroll {
+  overflow-x: hidden;
+}
+
+.CodeMirror-measure {
+  position: absolute;
+  width: 100%;
+  height: 0;
+  overflow: hidden;
+  visibility: hidden;
+}
+.CodeMirror-measure pre { position: static; }
+
+.CodeMirror div.CodeMirror-cursor {
+  position: absolute;
+  border-right: none;
+  width: 0;
+}
+
+div.CodeMirror-cursors {
+  visibility: hidden;
+  position: relative;
+  z-index: 1;
+}
+.CodeMirror-focused div.CodeMirror-cursors {
+  visibility: visible;
+}
+
+.CodeMirror-selected { background: #d9d9d9; }
+.CodeMirror-focused .CodeMirror-selected { background: #d7d4f0; }
+.CodeMirror-crosshair { cursor: crosshair; }
+
+.cm-searching {
+  background: #ffa;
+  background: rgba(255, 255, 0, .4);
+}
+
+/* IE7 hack to prevent it from returning funny offsetTops on the spans */
+.CodeMirror span { *vertical-align: text-bottom; }
+
+/* Used to force a border model for a node */
+.cm-force-border { padding-right: .1px; }
+
+@media print {
+  /* Hide the cursor when printing */
+  .CodeMirror div.CodeMirror-cursors {
+    visibility: hidden;
+  }
+}

ethereal/assets/muted/debugger.html

@@ -0,0 +1,53 @@
+<!doctype>
+<html>
+<head>
+<style type="text/css">
+    html, body {
+        margin: 0; padding: 0;
+        min-height: 100%;
+    }
+
+    #debugger {
+	    height: 100%;
+	    font-family: "Monaco"
+    }
+    #debugger .line {
+	    overflow: none;
+    }
+    #debugger .col1, #debugger .col2 {
+	    float: left;
+	    padding: 3px;
+    }
+    #debugger .col1 {
+	    width: 10px;
+	    padding-left: 10px
+	    -webkit-touch-callout: none;
+	    -webkit-user-select: none;
+	    -khtml-user-select: none;
+	    -moz-user-select: none;
+	    -ms-user-select: none;
+	    user-select: none;
+    }
+    #debugger .col2 {
+	    width: 90%;
+    }
+    .prompt {
+	    color: "#5089D4";
+    }
+</style>
+
+</head>
+
+<body>
+<div id="debugger">
+	<div class="line">
+		<div class="col1 prompt">
+			&gt;
+		</div>
+		<div class="col2" contenteditable>
+		</div>
+	</div>
+</div>
+
+</body>
+</html>

ethereal/assets/muted/eclipse.css

@@ -0,0 +1,23 @@
+.cm-s-eclipse span.cm-meta {color: #FF1717;}
+.cm-s-eclipse span.cm-keyword { line-height: 1em; font-weight: bold; color: #7F0055; }
+.cm-s-eclipse span.cm-atom {color: #219;}
+.cm-s-eclipse span.cm-number {color: #164;}
+.cm-s-eclipse span.cm-def {color: #00f;}
+.cm-s-eclipse span.cm-variable {color: black;}
+.cm-s-eclipse span.cm-variable-2 {color: #0000C0;}
+.cm-s-eclipse span.cm-variable-3 {color: #0000C0;}
+.cm-s-eclipse span.cm-property {color: black;}
+.cm-s-eclipse span.cm-operator {color: black;}
+.cm-s-eclipse span.cm-comment {color: #3F7F5F;}
+.cm-s-eclipse span.cm-string {color: #2A00FF;}
+.cm-s-eclipse span.cm-string-2 {color: #f50;}
+.cm-s-eclipse span.cm-qualifier {color: #555;}
+.cm-s-eclipse span.cm-builtin {color: #30a;}
+.cm-s-eclipse span.cm-bracket {color: #cc7;}
+.cm-s-eclipse span.cm-tag {color: #170;}
+.cm-s-eclipse span.cm-attribute {color: #00c;}
+.cm-s-eclipse span.cm-link {color: #219;}
+.cm-s-eclipse span.cm-error {color: #f00;}
+
+.cm-s-eclipse .CodeMirror-activeline-background {background: #e8f2ff !important;}
+.cm-s-eclipse .CodeMirror-matchingbracket {outline:1px solid grey; color:black !important;}

ethereal/assets/muted/index.html

@@ -0,0 +1,80 @@
+<!doctype>
+<html>
+<head>
+<title>Mutan Editor</title>
+<link rel="stylesheet" href="codemirror.css">
+<link rel="stylesheet" href="eclipse.css">
+<script src="lib/codemirror.js"></script>
+<script src="lib/matchbrackets.js"></script>
+<script src="lib/go.js"></script>
+<script src="muted.js"></script>
+
+<style type="text/css">
+    html, body {
+        margin: 0; padding: 0;
+        min-height: 100%;
+    }
+
+    #debugger {
+	    height: 30%;
+	    font-family: "Monaco";
+        border-top: 5px solid grey;
+    }
+    #debugger .line {
+	    overflow: none;
+    }
+    #debugger .col1, #debugger .col2 {
+	    float: left;
+	    padding: 3px;
+    }
+    #debugger .col1 {
+	    width: 10px;
+	    padding-left: 10px
+	    -webkit-touch-callout: none;
+	    -webkit-user-select: none;
+	    -khtml-user-select: none;
+	    -moz-user-select: none;
+	    -ms-user-select: none;
+	    user-select: none;
+    }
+    #debugger .col2 {
+	    width: 90%;
+    }
+    .prompt {
+	    color: "#5089D4";
+    }
+
+    .CodeMirror {
+        height: 70%;
+	font-size: 14pt;
+    }
+</style>
+</head>
+
+<body>
+<textarea id="editor"></textarea>
+
+<div id="debugger">
+	<div class="line">
+		<div class="col1 prompt">
+			&gt;
+		</div>
+		<div class="col2" contenteditable>
+		</div>
+	</div>
+</div>
+
+<script>
+    var textArea = document.querySelector("#editor")
+    var editor = CodeMirror.fromTextArea(textArea, {
+        theme: "eclipse",
+        mode: "text/html",
+        lineNumbers: true,
+        mode: "text/x-go",
+        indentUnit: 8,
+        tabSize: 8,
+        indentWithTabs: true,
+    });
+</script>
+</body>
+</html>

ethereal/assets/muted/lib/go.js

@@ -0,0 +1,182 @@
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+"use strict";
+
+CodeMirror.defineMode("go", function(config) {
+  var indentUnit = config.indentUnit;
+
+  var keywords = {
+    "break":true, "case":true, "chan":true, "const":true, "continue":true,
+    "default":true, "defer":true, "else":true, "fallthrough":true, "for":true,
+    "func":true, "go":true, "goto":true, "if":true, "import":true,
+    "interface":true, "map":true, "package":true, "range":true, "return":true,
+    "select":true, "struct":true, "switch":true, "type":true, "var":true,
+    "bool":true, "byte":true, "complex64":true, "complex128":true,
+    "float32":true, "float64":true, "int8":true, "int16":true, "int32":true,
+    "int64":true, "string":true, "uint8":true, "uint16":true, "uint32":true,
+    "uint64":true, "int":true, "uint":true, "uintptr":true, "big": true,
+    "main": true, "init": true, "this":true
+  };
+
+  var atoms = {
+    "true":true, "false":true, "iota":true, "nil":true, "append":true,
+    "cap":true, "close":true, "complex":true, "copy":true, "imag":true,
+    "len":true, "make":true, "new":true, "panic":true, "print":true,
+    "println":true, "real":true, "recover":true, 
+  };
+
+  var isOperatorChar = /[+\-*&^%:=<>!|\/]/;
+
+  var curPunc;
+
+  function tokenBase(stream, state) {
+    var ch = stream.next();
+    if (ch == '"' || ch == "'" || ch == "`") {
+      state.tokenize = tokenString(ch);
+      return state.tokenize(stream, state);
+    }
+    if (/[\d\.]/.test(ch)) {
+      if (ch == ".") {
+        stream.match(/^[0-9]+([eE][\-+]?[0-9]+)?/);
+      } else if (ch == "0") {
+        stream.match(/^[xX][0-9a-fA-F]+/) || stream.match(/^0[0-7]+/);
+      } else {
+        stream.match(/^[0-9]*\.?[0-9]*([eE][\-+]?[0-9]+)?/);
+      }
+      return "number";
+    }
+    if (/[\[\]{}\(\),;\:\.]/.test(ch)) {
+      curPunc = ch;
+      return null;
+    }
+    if (ch == "/") {
+      if (stream.eat("*")) {
+        state.tokenize = tokenComment;
+        return tokenComment(stream, state);
+      }
+      if (stream.eat("/")) {
+        stream.skipToEnd();
+        return "comment";
+      }
+    }
+    if (isOperatorChar.test(ch)) {
+      stream.eatWhile(isOperatorChar);
+      return "operator";
+    }
+    stream.eatWhile(/[\w\$_]/);
+    var cur = stream.current();
+    if (keywords.propertyIsEnumerable(cur)) {
+      if (cur == "case" || cur == "default") curPunc = "case";
+      return "keyword";
+    }
+    if (atoms.propertyIsEnumerable(cur)) return "atom";
+    return "variable";
+  }
+
+  function tokenString(quote) {
+    return function(stream, state) {
+      var escaped = false, next, end = false;
+      while ((next = stream.next()) != null) {
+        if (next == quote && !escaped) {end = true; break;}
+        escaped = !escaped && next == "\\";
+      }
+      if (end || !(escaped || quote == "`"))
+        state.tokenize = tokenBase;
+      return "string";
+    };
+  }
+
+  function tokenComment(stream, state) {
+    var maybeEnd = false, ch;
+    while (ch = stream.next()) {
+      if (ch == "/" && maybeEnd) {
+        state.tokenize = tokenBase;
+        break;
+      }
+      maybeEnd = (ch == "*");
+    }
+    return "comment";
+  }
+
+  function Context(indented, column, type, align, prev) {
+    this.indented = indented;
+    this.column = column;
+    this.type = type;
+    this.align = align;
+    this.prev = prev;
+  }
+  function pushContext(state, col, type) {
+    return state.context = new Context(state.indented, col, type, null, state.context);
+  }
+  function popContext(state) {
+    var t = state.context.type;
+    if (t == ")" || t == "]" || t == "}")
+      state.indented = state.context.indented;
+    return state.context = state.context.prev;
+  }
+
+  // Interface
+
+  return {
+    startState: function(basecolumn) {
+      return {
+        tokenize: null,
+        context: new Context((basecolumn || 0) - indentUnit, 0, "top", false),
+        indented: 0,
+        startOfLine: true
+      };
+    },
+
+    token: function(stream, state) {
+      var ctx = state.context;
+      if (stream.sol()) {
+        if (ctx.align == null) ctx.align = false;
+        state.indented = stream.indentation();
+        state.startOfLine = true;
+        if (ctx.type == "case") ctx.type = "}";
+      }
+      if (stream.eatSpace()) return null;
+      curPunc = null;
+      var style = (state.tokenize || tokenBase)(stream, state);
+      if (style == "comment") return style;
+      if (ctx.align == null) ctx.align = true;
+
+      if (curPunc == "{") pushContext(state, stream.column(), "}");
+      else if (curPunc == "[") pushContext(state, stream.column(), "]");
+      else if (curPunc == "(") pushContext(state, stream.column(), ")");
+      else if (curPunc == "case") ctx.type = "case";
+      else if (curPunc == "}" && ctx.type == "}") ctx = popContext(state);
+      else if (curPunc == ctx.type) popContext(state);
+      state.startOfLine = false;
+      return style;
+    },
+
+    indent: function(state, textAfter) {
+      if (state.tokenize != tokenBase && state.tokenize != null) return 0;
+      var ctx = state.context, firstChar = textAfter && textAfter.charAt(0);
+      if (ctx.type == "case" && /^(?:case|default)\b/.test(textAfter)) {
+        state.context.type = "}";
+        return ctx.indented;
+      }
+      var closing = firstChar == ctx.type;
+      if (ctx.align) return ctx.column + (closing ? 0 : 1);
+      else return ctx.indented + (closing ? 0 : indentUnit);
+    },
+
+    electricChars: "{}):",
+    fold: "brace",
+    blockCommentStart: "/*",
+    blockCommentEnd: "*/",
+    lineComment: "//"
+  };
+});
+
+CodeMirror.defineMIME("text/x-go", "go");
+
+});

ethereal/assets/muted/lib/matchbrackets.js

@@ -0,0 +1,117 @@
+(function(mod) {
+  if (typeof exports == "object" && typeof module == "object") // CommonJS
+    mod(require("../../lib/codemirror"));
+  else if (typeof define == "function" && define.amd) // AMD
+    define(["../../lib/codemirror"], mod);
+  else // Plain browser env
+    mod(CodeMirror);
+})(function(CodeMirror) {
+  var ie_lt8 = /MSIE \d/.test(navigator.userAgent) &&
+    (document.documentMode == null || document.documentMode < 8);
+
+  var Pos = CodeMirror.Pos;
+
+  var matching = {"(": ")>", ")": "(<", "[": "]>", "]": "[<", "{": "}>", "}": "{<"};
+
+  function findMatchingBracket(cm, where, strict, config) {
+    var line = cm.getLineHandle(where.line), pos = where.ch - 1;
+    var match = (pos >= 0 && matching[line.text.charAt(pos)]) || matching[line.text.charAt(++pos)];
+    if (!match) return null;
+    var dir = match.charAt(1) == ">" ? 1 : -1;
+    if (strict && (dir > 0) != (pos == where.ch)) return null;
+    var style = cm.getTokenTypeAt(Pos(where.line, pos + 1));
+
+    var found = scanForBracket(cm, Pos(where.line, pos + (dir > 0 ? 1 : 0)), dir, style || null, config);
+    if (found == null) return null;
+    return {from: Pos(where.line, pos), to: found && found.pos,
+            match: found && found.ch == match.charAt(0), forward: dir > 0};
+  }
+
+  // bracketRegex is used to specify which type of bracket to scan
+  // should be a regexp, e.g. /[[\]]/
+  //
+  // Note: If "where" is on an open bracket, then this bracket is ignored.
+  //
+  // Returns false when no bracket was found, null when it reached
+  // maxScanLines and gave up
+  function scanForBracket(cm, where, dir, style, config) {
+    var maxScanLen = (config && config.maxScanLineLength) || 10000;
+    var maxScanLines = (config && config.maxScanLines) || 1000;
+
+    var stack = [];
+    var re = config && config.bracketRegex ? config.bracketRegex : /[(){}[\]]/;
+    var lineEnd = dir > 0 ? Math.min(where.line + maxScanLines, cm.lastLine() + 1)
+                          : Math.max(cm.firstLine() - 1, where.line - maxScanLines);
+    for (var lineNo = where.line; lineNo != lineEnd; lineNo += dir) {
+      var line = cm.getLine(lineNo);
+      if (!line) continue;
+      var pos = dir > 0 ? 0 : line.length - 1, end = dir > 0 ? line.length : -1;
+      if (line.length > maxScanLen) continue;
+      if (lineNo == where.line) pos = where.ch - (dir < 0 ? 1 : 0);
+      for (; pos != end; pos += dir) {
+        var ch = line.charAt(pos);
+        if (re.test(ch) && (style === undefined || cm.getTokenTypeAt(Pos(lineNo, pos + 1)) == style)) {
+          var match = matching[ch];
+          if ((match.charAt(1) == ">") == (dir > 0)) stack.push(ch);
+          else if (!stack.length) return {pos: Pos(lineNo, pos), ch: ch};
+          else stack.pop();
+        }
+      }
+    }
+    return lineNo - dir == (dir > 0 ? cm.lastLine() : cm.firstLine()) ? false : null;
+  }
+
+  function matchBrackets(cm, autoclear, config) {
+    // Disable brace matching in long lines, since it'll cause hugely slow updates
+    var maxHighlightLen = cm.state.matchBrackets.maxHighlightLineLength || 1000;
+    var marks = [], ranges = cm.listSelections();
+    for (var i = 0; i < ranges.length; i++) {
+      var match = ranges[i].empty() && findMatchingBracket(cm, ranges[i].head, false, config);
+      if (match && cm.getLine(match.from.line).length <= maxHighlightLen) {
+        var style = match.match ? "CodeMirror-matchingbracket" : "CodeMirror-nonmatchingbracket";
+        marks.push(cm.markText(match.from, Pos(match.from.line, match.from.ch + 1), {className: style}));
+        if (match.to && cm.getLine(match.to.line).length <= maxHighlightLen)
+          marks.push(cm.markText(match.to, Pos(match.to.line, match.to.ch + 1), {className: style}));
+      }
+    }
+
+    if (marks.length) {
+      // Kludge to work around the IE bug from issue #1193, where text
+      // input stops going to the textare whever this fires.
+      if (ie_lt8 && cm.state.focused) cm.display.input.focus();
+
+      var clear = function() {
+        cm.operation(function() {
+          for (var i = 0; i < marks.length; i++) marks[i].clear();
+        });
+      };
+      if (autoclear) setTimeout(clear, 800);
+      else return clear;
+    }
+  }
+
+  var currentlyHighlighted = null;
+  function doMatchBrackets(cm) {
+    cm.operation(function() {
+      if (currentlyHighlighted) {currentlyHighlighted(); currentlyHighlighted = null;}
+      currentlyHighlighted = matchBrackets(cm, false, cm.state.matchBrackets);
+    });
+  }
+
+  CodeMirror.defineOption("matchBrackets", false, function(cm, val, old) {
+    if (old && old != CodeMirror.Init)
+      cm.off("cursorActivity", doMatchBrackets);
+    if (val) {
+      cm.state.matchBrackets = typeof val == "object" ? val : {};
+      cm.on("cursorActivity", doMatchBrackets);
+    }
+  });
+
+  CodeMirror.defineExtension("matchBrackets", function() {matchBrackets(this, true);});
+  CodeMirror.defineExtension("findMatchingBracket", function(pos, strict, config){
+    return findMatchingBracket(this, pos, strict, config);
+  });
+  CodeMirror.defineExtension("scanForBracket", function(pos, dir, style, config){
+    return scanForBracket(this, pos, dir, style, config);
+  });
+});

ethereal/assets/muted/muted.js

@@ -0,0 +1,61 @@
+// 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) {
+		Muted._callbacks[data._seed] = cb;
+	}
+
+	if(data.args === undefined) {
+		data.args = [];
+	}
+
+	navigator.qt.postMessage(JSON.stringify(data));
+}
+
+window.Muted = {
+	prototype: Object(),
+}
+
+window.Muted._callbacks = {}
+window.Muted._onCallbacks = {}
+
+function debug(/**/) {
+	console.log("hello world")
+
+	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]
+		}
+	}
+
+	document.querySelector("#debugger").innerHTML += "<div class='line'><div class='col1'></div><div class='col2'>"+msg+"</div></div>";
+}
+console.log = function() {
+	var args = []
+	for(var i = 0; i < arguments.length; i++) {
+		args.push(arguments[i]);
+	}
+	postData({call:"log", args:args})
+}
+
+navigator.qt.onmessage = function(ev) {
+	var data = JSON.parse(ev.data)
+
+	if(data._event !== undefined) {
+		Muted.trigger(data._event, data.data);
+	} else {
+		if(data._seed) {
+			var cb = Muted._callbacks[data._seed];
+			if(cb) {
+				// Call the callback
+				cb(data.data);
+				// Remove the "trigger" callback
+				delete Muted._callbacks[ev._seed];
+			}
+		}
+	}
+}

ethereal/assets/qml/QmlApp.qml

@@ -0,0 +1,22 @@
+import QtQuick 2.0
+import QtQuick.Controls 1.0;
+import QtQuick.Layouts 1.0;
+import Ethereum 1.0
+
+ApplicationWindow {
+	minimumWidth: 500
+	maximumWidth: 500
+	maximumHeight: 400
+	minimumHeight: 400
+
+	function onNewBlockCb(block) {
+		console.log("Please overwrite onNewBlock(block):", block)
+	}
+	function onObjectChangeCb(stateObject) {
+		console.log("Please overwrite onObjectChangeCb(object)", stateObject)
+	}
+	function onStorageChangeCb(storageObject) {
+		var ev = ["storage", storageObject.stateAddress, storageObject.address].join(":");
+		console.log("Please overwrite onStorageChangeCb(object)", ev)
+	}
+}

ethereal/assets/qml/first_run.qml

@@ -0,0 +1,155 @@
+import QtQuick 2.0
+import Ethereum 1.0
+
+// Which ones do we actually need?
+import QtQuick.Controls 1.0;
+import QtQuick.Layouts 1.0;
+import QtQuick.Dialogs 1.0;
+import QtQuick.Window 2.1;
+import QtQuick.Controls.Styles 1.1
+import QtQuick.Dialogs 1.1
+
+ApplicationWindow {
+    id: wizardRoot
+    width: 500
+    height: 400
+    title: "Ethereal first run setup"
+
+    Column {
+        spacing: 5
+        anchors.leftMargin: 10
+        anchors.left: parent.left
+
+        Text {
+            visible: true
+            text: "<h2>Ethereal setup</h2>"
+        }
+
+        Column {
+            id: restoreColumn
+            spacing: 5
+            Text {
+                visible: true
+                font.pointSize: 14
+                text: "Restore your Ethereum account"
+                id: restoreLabel
+            }
+
+            TextField {
+                id: txPrivKey
+                width: 480
+                placeholderText: "Private key or mnemonic words"
+                focus: true
+                onTextChanged: {
+                    if(this.text.length == 64){
+                        detailLabel.text = "Private (hex) key detected."
+                        actionButton.enabled = true
+                    }
+                    else if(this.text.split(" ").length == 24){
+                        detailLabel.text = "Mnemonic key detected."
+                        actionButton.enabled = true
+                    }else{
+                        detailLabel.text = ""
+                        actionButton.enabled = false
+                    }
+                }
+            }
+            Row {
+                spacing: 10
+                Button {
+                    id: actionButton
+                    text: "Restore"
+                    enabled: false
+                    onClicked: {
+                        var success = lib.importAndSetPrivKey(txPrivKey.text)
+                        if(success){
+                            importedDetails.visible = true
+                            restoreColumn.visible = false
+                            newKey.visible = false
+                            wizardRoot.height = 120
+                        }
+                    }
+                }
+                Text {
+                    id: detailLabel
+                    font.pointSize: 12
+                    anchors.topMargin: 10
+                }
+            }
+        }
+        Column {
+            id: importedDetails
+            visible: false
+            Text {
+                text: "<b>Your account has been imported. Please close the application and restart it again to let the changes take effect.</b>"
+                wrapMode: Text.WordWrap
+                width: 460
+            }
+        }
+        Column {
+            spacing: 5
+            id: newDetailsColumn
+            visible: false
+            Text {
+                font.pointSize: 14
+                text: "Your account details"
+            }
+            Label {
+                text: "Address"
+            }
+            TextField {
+                id: addressInput
+                readOnly:true
+                width: 480
+            }
+            Label {
+                text: "Private key"
+            }
+            TextField {
+                id: privkeyInput
+                readOnly:true
+                width: 480
+            }
+            Label {
+                text: "Mnemonic words"
+            }
+            TextField {
+                id: mnemonicInput
+                readOnly:true
+                width: 480
+            }
+            Label {
+                text: "<b>A new account has been created. Please take the time to write down the <i>24 words</i>. You can use those to restore your account at a later date.</b>"
+                wrapMode: Text.WordWrap
+                width: 480
+            }
+            Label {
+                text: "Please restart the application once you have completed the steps above."
+                wrapMode: Text.WordWrap
+                width: 480
+            }
+        }
+
+    }
+    Button {
+        anchors.right: parent.right
+        anchors.bottom: parent.bottom
+        anchors.rightMargin: 10
+        anchors.bottomMargin: 10
+        id: newKey
+        text: "I don't have an account yet"
+        onClicked: {
+            var res = lib.createAndSetPrivKey()
+            mnemonicInput.text = res[0]
+            addressInput.text = res[1]
+            privkeyInput.text = res[2]
+
+            // Hide restore
+            restoreColumn.visible = false
+
+            // Show new details
+            newDetailsColumn.visible = true
+            newKey.visible = false
+        }
+    }
+}

ethereal/assets/qml/muted.qml

@@ -0,0 +1,74 @@
+import QtQuick 2.0
+import QtWebKit 3.0
+import QtWebKit.experimental 1.0
+import QtQuick.Controls 1.0;
+import QtQuick.Layouts 1.0;
+import QtQuick.Window 2.1;
+import Ethereum 1.0
+
+ApplicationWindow {
+    id: window
+    title: "muted"
+    width: 900
+    height: 600
+    minimumHeight: 300
+
+    property alias url: webView.url
+    property alias webView: webView
+
+
+    Item {
+        id: root
+        anchors.fill: parent
+        WebView {
+            objectName: "webView"
+            id: webView
+            anchors {
+                top: root.top
+                right: root.right
+                left: root.left
+                bottom: root.bottom
+                //bottom: sizeGrip.top
+            }
+
+            experimental.preferences.javascriptEnabled: true
+            experimental.preferences.navigatorQtObjectEnabled: true
+            experimental.onMessageReceived: {
+                var data = JSON.parse(message.data)
+
+                switch(data.call) {
+                case "log":
+                    console.log.apply(this, data.args)
+                    break;
+                }
+            }
+            function postData(seed, data) {
+                webview.experimental.postMessage(JSON.stringify({data: data, _seed: seed}))
+            }
+            function postEvent(event, data) {
+                webview.experimental.postMessage(JSON.stringify({data: data, _event: event}))
+            }
+        }
+
+        /*
+        Rectangle {
+            id: sizeGrip
+            color: "gray"
+            height: 5
+            anchors {
+                left: root.left
+                right: root.right
+            }
+            y: Math.round(root.height * 2 / 3)
+
+            MouseArea {
+                anchors.fill: parent
+                drag.target: sizeGrip
+                drag.minimumY: 0
+                drag.maximumY: root.height - sizeGrip.height
+                drag.axis: Drag.YAxis
+            }
+        }
+        */
+    }
+}

ethereal/assets/qml/test_app.qml

@@ -0,0 +1,70 @@
+import QtQuick 2.0
+import QtQuick.Controls 1.0;
+import QtQuick.Layouts 1.0;
+import Ethereum 1.0
+
+QmlApp {
+	minimumWidth: 350
+	maximumWidth: 350
+	maximumHeight: 80
+	minimumHeight: 80
+
+	title: "Generic Coin"
+
+	property string contractAddr: "f299f6c74515620e4c4cd8fe3d205b5c4f2e25c8"
+	property string addr: "2ef47100e0787b915105fd5e3f4ff6752079d5cb"
+
+	Component.onCompleted: {
+		eth.watch(contractAddr, addr)
+		eth.watch(addr, contractAddr)
+		setAmount()
+	}
+
+	function onStorageChangeCb(storageObject) {
+		setAmount()
+	}
+
+	function setAmount(){
+		var state = eth.getStateObject(contractAddr)
+		var storage = state.getStorage(addr)
+		amountLabel.text = storage
+	}
+	Column {
+		spacing: 5
+		Row {
+			spacing: 20
+			Label {
+				id: genLabel
+				text: "Generic coin balance:"
+			}
+			Label {
+				id: amountLabel
+			}
+		}
+		Row {
+			spacing: 20
+			TextField {
+				id: address
+				placeholderText: "Address"
+			}
+			TextField {
+				id: amount
+				placeholderText: "Amount"
+			}
+		}
+		Button {
+			text: "Send coins"
+			onClicked: {
+				var privKey = eth.getKey().privateKey
+				if(privKey){
+					var result = eth.transact(privKey, contractAddr, 0,"100000","250", "0x" + address.text + "\n" + amount.text)
+					resultTx.text = result.hash
+				}
+			}
+		}
+		Label {
+			id: resultTx
+		}
+	}
+
+}

ethereal/assets/qml/transactions.qml

@@ -0,0 +1,9 @@
+import QtQuick 2.0
+import QtQuick.Controls 1.0;
+import QtQuick.Layouts 1.0;
+
+Rectangle {
+	id: transactionView
+	visible: false
+	Text { text: "TX VIEW" }
+}

ethereal/assets/qml/webapp.qml

@@ -0,0 +1,246 @@
+import QtQuick 2.0
+import QtWebKit 3.0
+import QtWebKit.experimental 1.0
+import QtQuick.Controls 1.0;
+import QtQuick.Layouts 1.0;
+import QtQuick.Window 2.1;
+import Ethereum 1.0
+
+ApplicationWindow {
+	id: window
+	title: "Ethereum"
+	width: 900
+	height: 600
+	minimumHeight: 300
+
+	property alias url: webview.url
+	property alias webView: webview
+
+	Item {
+		objectName: "root"
+		id: root
+		anchors.fill: parent
+		state: "inspectorShown"
+
+		WebView {
+			objectName: "webView"
+			id: webview
+			anchors.fill: parent
+			/*
+			 anchors {
+				 left: parent.left
+				 right: parent.right
+				 bottom: sizeGrip.top
+				 top: parent.top
+			 }
+			 */
+			onTitleChanged: { window.title = title }
+			experimental.preferences.javascriptEnabled: true
+			experimental.preferences.navigatorQtObjectEnabled: true
+			experimental.preferences.developerExtrasEnabled: true
+			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
+				var data = JSON.parse(message.data)
+
+				try {
+					switch(data.call) {
+					case "getCoinBase":
+					      postData(data._seed, eth.getCoinBase())
+
+					      break
+					case "getIsListening":
+					      postData(data._seed, eth.getIsListening())
+
+					      break
+					case "getIsMining":
+					      postData(data._seed, eth.getIsMining())
+
+					      break
+					case "getPeerCount":
+					      postData(data._seed, eth.getPeerCount())
+
+					      break
+
+					case "getTxCountAt":
+					      require(1)
+					      postData(data._seed, eth.getTxCountAt(data.args[0]))
+
+					      break
+					case "getBlockByNumber":
+						var block = eth.getBlock(data.args[0])
+						postData(data._seed, block)
+
+						break
+					case "getBlockByHash":
+						var block = eth.getBlock(data.args[0])
+						postData(data._seed, block)
+
+						break
+					case "transact":
+						require(5)
+
+						var tx = eth.transact(data.args[0], data.args[1], data.args[2],data.args[3],data.args[4],data.args[5])
+						postData(data._seed, tx)
+
+						break
+					case "create":
+						postData(data._seed, null)
+
+						break
+					case "getStorage":
+						require(2);
+
+						var stateObject = eth.getStateObject(data.args[0])
+						var storage = stateObject.getStorage(data.args[1])
+						postData(data._seed, storage)
+
+						break
+					case "getStateKeyVals":
+					      require(1);
+					      var stateObject = eth.getStateObject(data.args[0]).stateKeyVal(true)
+					      postData(data._seed,stateObject)
+
+						break
+					case "getTransactionsFor":
+					      require(1);
+					      var txs = eth.getTransactionsFor(data.args[0], true)
+					      postData(data._seed, txs)
+
+					      break
+					case "getBalance":
+						require(1);
+
+						postData(data._seed, eth.getStateObject(data.args[0]).value());
+
+						break
+					case "getKey":
+						var key = eth.getKey().privateKey;
+
+						postData(data._seed, key)
+						break
+					case "watch":
+						require(1)
+						eth.watch(data.args[0], data.args[1]);
+						break
+					case "disconnect":
+						require(1)
+						postData(data._seed, null)
+						break;
+					case "set":
+            console.log("'Set' has been depcrecated")
+          /*
+						for(var key in data.args) {
+							if(webview.hasOwnProperty(key)) {
+								window[key] = data.args[key];
+							}
+						}
+            */
+						break;
+					case "getSecretToAddress":
+						require(1)
+						postData(data._seed, eth.secretToAddress(data.args[0]))
+						break;
+					case "debug":
+						console.log(data.args[0]);
+						break;
+					}
+				} catch(e) {
+					console.log(data.call + ": " + e)
+
+					postData(data._seed, null);
+				}
+			}
+
+			function require(args, num) {
+				if(args.length < num) {
+					throw("required argument count of "+num+" got "+args.length);
+				}
+			}
+			function postData(seed, data) {
+				webview.experimental.postMessage(JSON.stringify({data: data, _seed: seed}))
+			}
+			function postEvent(event, data) {
+				webview.experimental.postMessage(JSON.stringify({data: data, _event: event}))
+			}
+
+			function onNewBlockCb(block) {
+				postEvent("block:new", block)
+			}
+			function onObjectChangeCb(stateObject) {
+				postEvent("object:"+stateObject.address(), stateObject)
+			}
+			function onStorageChangeCb(storageObject) {
+				var ev = ["storage", storageObject.stateAddress, storageObject.address].join(":");
+				postEvent(ev, [storageObject.address, storageObject.value])
+			}
+		}
+		Rectangle {
+			id: toggleInspector
+			color: "#bcbcbc"
+			visible: true
+			height: 12
+			width: 12
+			anchors {
+				right: root.right
+			}
+			MouseArea {
+				onClicked: {
+					if(inspector.visible == true){
+						inspector.visible = false
+					}else{
+						inspector.visible = true
+					}
+				}
+				onDoubleClicked: {
+				  console.log('refreshing')
+				  webView.reload()
+				}
+				anchors.fill: parent
+			}
+		}
+
+		Rectangle {
+			id: sizeGrip
+			color: "gray"
+			visible: false
+			height: 10
+			anchors {
+				left: root.left
+				right: root.right
+			}
+			y: Math.round(root.height * 2 / 3)
+
+			MouseArea {
+				anchors.fill: parent
+				drag.target: sizeGrip
+				drag.minimumY: 0
+				drag.maximumY: root.height
+				drag.axis: Drag.YAxis
+			}
+		}
+
+		WebView {
+			id: inspector
+			visible: false
+			url: webview.experimental.remoteInspectorUrl
+			anchors {
+				left: root.left
+				right: root.right
+				top: sizeGrip.bottom
+				bottom: root.bottom
+			}
+		}
+
+		states: [
+			State {
+				name: "inspectorShown"
+				PropertyChanges {
+					target: inspector
+					url: webview.experimental.remoteInspectorUrl
+				}
+			}
+		]
+	}
+}

ethereal/assets/samplecoin/samplecoin.css

@@ -0,0 +1,34 @@
+/* Space out content a bit */
+body {
+	padding-top: 20px;
+	padding-bottom: 20px;
+}
+
+/* Everything but the jumbotron gets side spacing for mobile first
+ * views */
+.header,
+.marketing,
+.footer {
+	padding-right: 15px;
+	padding-left: 15px;
+}
+
+/* Custom page header */
+.header {
+	border-bottom: 1px solid #e5e5e5;
+}
+/* Make the masthead heading the same height as the navigation */
+.header h3 {
+	padding-bottom: 19px;
+	margin-top: 0;
+	margin-bottom: 0;
+	line-height: 40px;
+}
+
+.jumbotron {
+	text-align: center;
+	border-bottom: 1px solid #e5e5e5;
+
+	margin: 0 auto;
+	width: 300px;
+}

ethereal/assets/samplecoin/samplecoin.html

@@ -0,0 +1,68 @@
+<html>
+<head>
+<title>jeffcoin</title>
+
+<link rel="stylesheet" href="bootstrap.min.css">
+<link rel="stylesheet" href="bootstrap-theme.min.css">
+<link rel="stylesheet" href="samplecoin.css">
+<meta name="viewport" content="minimum-scale=1; maximum-scale=1; initial-scale=1;">
+
+<script type="text/javascript">
+
+var jefcoinAddr = "22fa3ebce6ef9ca661a960104d3087eec040011e"
+var mAddr = ""
+
+function createTransaction() {
+	var addr = ("0x" + document.querySelector("#addr").value).pad(32);
+	var amount = document.querySelector("#amount").value.pad(32);
+
+	var data = (addr + amount).unbin();
+	eth.transact(mAddr, jefcoinAddr, 0, "50000", "1000000", data, function(receipt) {
+		debug("received tx hash:", reciept.address)
+	})
+}
+
+function init() {
+	eth.getKey(function(sec) {
+		mAddr = sec;
+		eth.getSecretToAddress(sec, function(addr) {
+			eth.getStorageAt(jefcoinAddr, addr, function(storage) {
+				document.querySelector("#current-amount").innerHTML = storage;
+			});
+
+			eth.watch(jefcoinAddr, addr, function(addr, value) {
+				document.querySelector("#current-amount").innerHTML = value
+			});
+		});
+	});
+}
+
+</script>
+</head>
+
+<body onload="init();">
+<div class="container">
+	<div class="header">
+		<h3 class="text-muted">JeffCoin</h3>
+	</div>
+
+	<div class="jumbotron ">
+		<img src="icon.png">
+		<div>Amount: <strong id="current-amount"></strong></div>
+
+		<div id="transactions">
+			<div class="form-group">
+				<input id="addr" class="form-control" type="text" placeholder="Receiver address"></input><br>
+				<input id="amount" class="form-control" type="text" placeholder="Amount"></input><br>
+			</div>
+
+			<button class="btn btn-default" onclick="createTransaction();">Send Tx</button>
+		</div>
+	</div>
+</div>
+
+<div id="debug" style="border: 1px solid black; min-height: 30px;"></div>
+
+</body>
+</html>
+

ethereal/assets/util/test.html

@@ -0,0 +1,43 @@
+<html>
+<head>
+<title>Utils</title>
+</head>
+<body onload="init();">
+<label>Nonce for 2ef47100e0787b915105fd5e3f4ff6752079d5cb</label>
+<p id="nonce"></p>
+
+<label>Connected peers</label>
+<p id="peers"></p>
+
+<label>Is mining</label>
+<p id="isMining"></p>
+
+<label>Is listening</label>
+<p id="isListen"></p>
+
+<label>Coinbase</label>
+<p id="coinbase"></p>
+
+<script type="text/javascript">
+
+function init() {
+	eth.getTxCountAt("2ef47100e0787b915105fd5e3f4ff6752079d5cb", function(nonce){
+			document.querySelector("#nonce").innerHTML = nonce;
+	})
+	eth.getPeerCount(function(peerLength){
+			document.querySelector("#peers").innerHTML = peerLength;
+	})
+	eth.getIsMining(function(mining){
+			document.querySelector("#isMining").innerHTML = mining;
+	})
+	eth.getIsListening(function(listen){
+			document.querySelector("#isListen").innerHTML = listen;
+	})
+	eth.getCoinBase(function(address){
+			document.querySelector("#coinbase").innerHTML = address;
+	})
+}
+</script>
+</body>
+</html>
+

ethereal/flags.go

@@ -0,0 +1,99 @@
+package main
+
+import (
+	"bitbucket.org/kardianos/osext"
+	"flag"
+	"fmt"
+	"github.com/ethereum/eth-go/ethlog"
+	"os"
+	"os/user"
+	"path"
+	"path/filepath"
+	"runtime"
+)
+
+var Identifier string
+var KeyRing string
+var KeyStore string
+var StartRpc bool
+var RpcPort int
+var UseUPnP bool
+var OutboundPort string
+var ShowGenesis bool
+var AddPeer string
+var MaxPeer int
+var GenAddr bool
+var UseSeed bool
+var SecretFile string
+var ExportDir string
+var NonInteractive bool
+var Datadir string
+var LogFile string
+var ConfigFile string
+var DebugFile string
+var LogLevel int
+
+// flags specific to gui client
+var AssetPath string
+
+func defaultAssetPath() string {
+	var assetPath string
+	// If the current working directory is the go-ethereum dir
+	// assume a debug build and use the source directory as
+	// asset directory.
+	pwd, _ := os.Getwd()
+	if pwd == path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "ethereal") {
+		assetPath = path.Join(pwd, "assets")
+	} else {
+		switch runtime.GOOS {
+		case "darwin":
+			// Get Binary Directory
+			exedir, _ := osext.ExecutableFolder()
+			assetPath = filepath.Join(exedir, "../Resources")
+		case "linux":
+			assetPath = "/usr/share/ethereal"
+		case "window":
+			fallthrough
+		default:
+			assetPath = "."
+		}
+	}
+	return assetPath
+}
+
+func defaultDataDir() string {
+	usr, _ := user.Current()
+	return path.Join(usr.HomeDir, ".ethereal")
+}
+
+var defaultConfigFile = path.Join(defaultDataDir(), "conf.ini")
+
+func Init() {
+	flag.Usage = func() {
+		fmt.Fprintf(os.Stderr, "%s [options] [filename]:\noptions precedence: default < config file < environment variables < command line\n", os.Args[0])
+		flag.PrintDefaults()
+	}
+
+	flag.StringVar(&Identifier, "id", "", "Custom client identifier")
+	flag.StringVar(&KeyRing, "keyring", "", "identifier for keyring to use")
+	flag.StringVar(&KeyStore, "keystore", "db", "system to store keyrings: db|file (db)")
+	flag.StringVar(&OutboundPort, "port", "30303", "listening port")
+	flag.BoolVar(&UseUPnP, "upnp", false, "enable UPnP support")
+	flag.IntVar(&MaxPeer, "maxpeer", 10, "maximum desired peers")
+	flag.IntVar(&RpcPort, "rpcport", 8080, "port to start json-rpc server on")
+	flag.BoolVar(&StartRpc, "rpc", false, "start rpc server")
+	flag.BoolVar(&NonInteractive, "y", false, "non-interactive mode (say yes to confirmations)")
+	flag.BoolVar(&UseSeed, "seed", true, "seed peers")
+	flag.BoolVar(&GenAddr, "genaddr", false, "create a new priv/pub key")
+	flag.StringVar(&SecretFile, "import", "", "imports the file given (hex or mnemonic formats)")
+	flag.StringVar(&ExportDir, "export", "", "exports the session keyring to files in the directory given")
+	flag.StringVar(&LogFile, "logfile", "", "log file (defaults to standard output)")
+	flag.StringVar(&Datadir, "datadir", defaultDataDir(), "specifies the datadir to use")
+	flag.StringVar(&ConfigFile, "conf", defaultConfigFile, "config file")
+	flag.StringVar(&DebugFile, "debug", "", "debug file (no debugging if not set)")
+	flag.IntVar(&LogLevel, "loglevel", int(ethlog.InfoLevel), "loglevel: 0-5: silent,error,warn,info,debug,debug detail)")
+
+	flag.StringVar(&AssetPath, "asset_path", defaultAssetPath(), "absolute path to GUI assets directory")
+
+	flag.Parse()
+}

ethereal/main.go

@@ -0,0 +1,66 @@
+package main
+
+import (
+	"github.com/ethereum/eth-go/ethlog"
+	"github.com/ethereum/go-ethereum/ethereal/ui"
+	"github.com/ethereum/go-ethereum/utils"
+	"github.com/go-qml/qml"
+	"os"
+	"runtime"
+)
+
+func main() {
+	// Leave QT on top at ALL times. Qt Needs to be initialized from the main thread
+	qml.Init(nil)
+
+	runtime.GOMAXPROCS(runtime.NumCPU())
+
+	var interrupted = false
+	utils.RegisterInterrupt(func(os.Signal) {
+		interrupted = true
+	})
+
+	utils.HandleInterrupt()
+
+	// precedence: code-internal flag default < config file < environment variables < command line
+	Init() // parsing command line
+	utils.InitConfig(ConfigFile, Datadir, Identifier, "ETH")
+
+	utils.InitDataDir(Datadir)
+
+	utils.InitLogging(Datadir, LogFile, LogLevel, DebugFile)
+
+	db := utils.NewDatabase()
+
+	keyManager := utils.NewKeyManager(KeyStore, Datadir, db)
+
+	// create, import, export keys
+	utils.KeyTasks(keyManager, KeyRing, GenAddr, SecretFile, ExportDir, NonInteractive)
+
+	ethereum := utils.NewEthereum(db, keyManager, UseUPnP, OutboundPort, MaxPeer)
+
+	if ShowGenesis {
+		utils.ShowGenesis(ethereum)
+	}
+
+	if StartRpc {
+		utils.StartRpc(ethereum, RpcPort)
+	}
+
+	gui := ethui.New(ethereum, KeyRing, LogLevel)
+
+	utils.RegisterInterrupt(func(os.Signal) {
+		gui.Stop()
+	})
+	utils.StartEthereum(ethereum, UseSeed)
+	// gui blocks the main thread
+	gui.Start(AssetPath)
+	// we need to run the interrupt callbacks in case gui is closed
+	// this skips if we got here by actual interrupt stopping the GUI
+	if !interrupted {
+		utils.RunInterruptCallbacks(os.Interrupt)
+	}
+	// this blocks the thread
+	ethereum.WaitForShutdown()
+	ethlog.Flush()
+}

ethereal/ui/debugger.go

@@ -0,0 +1,234 @@
+package ethui
+
+import (
+	"fmt"
+	"github.com/ethereum/eth-go/ethchain"
+	"github.com/ethereum/eth-go/ethutil"
+	"github.com/go-qml/qml"
+	"math/big"
+	"strings"
+)
+
+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, false, 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) SetAsm(data string) {
+	dis := ethchain.Disassemble(ethutil.Hex2Bytes(data))
+	for _, str := range dis {
+		self.win.Root().Call("setAsm", str)
+	}
+}
+
+func (self *DebuggerWindow) Debug(valueStr, gasStr, gasPriceStr, scriptStr, dataStr string) {
+	if !self.Db.done {
+		self.Db.Q <- true
+	}
+	self.Db.breakOnInstr = self.win.Root().ObjectByName("breakEachLine").Bool("checked")
+
+	defer func() {
+		if r := recover(); r != nil {
+			self.Logf("compile FAULT: %v", r)
+		}
+	}()
+
+	data := ethutil.StringToByteFunc(dataStr, func(s string) (ret []byte) {
+		slice := strings.Split(dataStr, "\n")
+		for _, dataItem := range slice {
+			d := ethutil.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 {
+		self.Logln(err)
+
+		return
+	}
+
+	dis := ethchain.Disassemble(script)
+	self.win.Root().Call("clearAsm")
+	self.win.Root().Call("clearLog")
+
+	for _, str := range dis {
+		self.win.Root().Call("setAsm", str)
+	}
+
+	var (
+		gas      = ethutil.Big(gasStr)
+		gasPrice = ethutil.Big(gasPriceStr)
+		value    = ethutil.Big(valueStr)
+		// Contract addr as test address
+		keyPair  = self.lib.eth.KeyManager().KeyPair()
+		callerTx = ethchain.NewContractCreationTx(ethutil.Big(valueStr), gas, gasPrice, 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)
+	contract.Amount = value
+	callerClosure := ethchain.NewClosure(account, contract, script, state, gas, gasPrice)
+
+	block := self.lib.eth.BlockChain().CurrentBlock
+	vm := ethchain.NewVm(state, self.lib.eth.StateManager(), ethchain.RuntimeVars{
+		Block:       block,
+		Origin:      account.Address(),
+		BlockNumber: block.Number,
+		PrevHash:    block.PrevHash,
+		Coinbase:    block.Coinbase,
+		Time:        block.Time,
+		Diff:        block.Difficulty,
+		Value:       ethutil.Big(valueStr),
+	})
+	vm.Verbose = true
+
+	self.Db.done = false
+	self.Logf("callsize %d", len(script))
+	go func() {
+		ret, g, err := callerClosure.Call(vm, data, self.Db.halting)
+		tot := new(big.Int).Mul(g, gasPrice)
+		self.Logf("gas usage %v total price = %v (%v)", g, tot, ethutil.CurrencyToString(tot))
+		if err != nil {
+			self.Logln("exited with errors:", err)
+		} else {
+			if len(ret) > 0 {
+				self.Logf("exited: % x", ret)
+			} else {
+				self.Logf("exited: nil")
+			}
+		}
+
+		state.Reset()
+
+		if !self.Db.interrupt {
+			self.Db.done = true
+		} else {
+			self.Db.interrupt = false
+		}
+	}()
+}
+
+func (self *DebuggerWindow) Logf(format string, v ...interface{}) {
+	self.win.Root().Call("setLog", fmt.Sprintf(format, v...))
+}
+
+func (self *DebuggerWindow) Logln(v ...interface{}) {
+	str := fmt.Sprintln(v...)
+	self.Logf("%s", str[:len(str)-1])
+}
+
+func (self *DebuggerWindow) Next() {
+	self.Db.Next()
+}
+
+type Debugger struct {
+	win             *qml.Window
+	N               chan bool
+	Q               chan bool
+	done, interrupt bool
+	breakOnInstr    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())})
+	})
+
+	if d.breakOnInstr {
+	out:
+		for {
+			select {
+			case <-d.N:
+				break out
+			case <-d.Q:
+				d.interrupt = true
+				d.clearBuffers()
+
+				return false
+			}
+		}
+	}
+
+	return true
+}
+
+func (d *Debugger) clearBuffers() {
+out:
+	// drain
+	for {
+		select {
+		case <-d.N:
+		case <-d.Q:
+		default:
+			break out
+		}
+	}
+}
+
+func (d *Debugger) Next() {
+	if !d.done {
+		d.N <- true
+	}
+}

ethereal/ui/ext_app.go

@@ -0,0 +1,132 @@
+package ethui
+
+import (
+	"fmt"
+	"github.com/ethereum/eth-go/ethchain"
+	"github.com/ethereum/eth-go/ethpub"
+	"github.com/ethereum/eth-go/ethutil"
+	"github.com/go-qml/qml"
+)
+
+type AppContainer interface {
+	Create() error
+	Destroy()
+
+	Window() *qml.Window
+	Engine() *qml.Engine
+
+	NewBlock(*ethchain.Block)
+	ObjectChanged(*ethchain.StateObject)
+	StorageChanged(*ethchain.StorageState)
+	NewWatcher(chan bool)
+}
+
+type ExtApplication struct {
+	*ethpub.PEthereum
+
+	blockChan       chan ethutil.React
+	changeChan      chan ethutil.React
+	quitChan        chan bool
+	watcherQuitChan chan bool
+
+	container        AppContainer
+	lib              *UiLib
+	registeredEvents []string
+}
+
+func NewExtApplication(container AppContainer, lib *UiLib) *ExtApplication {
+	app := &ExtApplication{
+		ethpub.NewPEthereum(lib.eth),
+		make(chan ethutil.React, 1),
+		make(chan ethutil.React, 1),
+		make(chan bool),
+		make(chan bool),
+		container,
+		lib,
+		nil,
+	}
+
+	return app
+}
+
+func (app *ExtApplication) run() {
+	// Set the "eth" api on to the containers context
+	context := app.container.Engine().Context()
+	context.SetVar("eth", app)
+	context.SetVar("ui", app.lib)
+
+	err := app.container.Create()
+	if err != nil {
+		fmt.Println(err)
+
+		return
+	}
+
+	// Call the main loop
+	go app.mainLoop()
+
+	// Subscribe to events
+	reactor := app.lib.eth.Reactor()
+	reactor.Subscribe("newBlock", app.blockChan)
+
+	app.container.NewWatcher(app.watcherQuitChan)
+
+	win := app.container.Window()
+	win.Show()
+	win.Wait()
+
+	app.stop()
+}
+
+func (app *ExtApplication) stop() {
+	// Clean up
+	reactor := app.lib.eth.Reactor()
+	reactor.Unsubscribe("newBlock", app.blockChan)
+	for _, event := range app.registeredEvents {
+		reactor.Unsubscribe(event, app.changeChan)
+	}
+
+	// Kill the main loop
+	app.quitChan <- true
+	app.watcherQuitChan <- true
+
+	close(app.blockChan)
+	close(app.quitChan)
+	close(app.changeChan)
+
+	app.container.Destroy()
+}
+
+func (app *ExtApplication) mainLoop() {
+out:
+	for {
+		select {
+		case <-app.quitChan:
+			break out
+		case block := <-app.blockChan:
+			if block, ok := block.Resource.(*ethchain.Block); ok {
+				app.container.NewBlock(block)
+			}
+		case object := <-app.changeChan:
+			if stateObject, ok := object.Resource.(*ethchain.StateObject); ok {
+				app.container.ObjectChanged(stateObject)
+			} else if storageObject, ok := object.Resource.(*ethchain.StorageState); ok {
+				app.container.StorageChanged(storageObject)
+			}
+		}
+	}
+
+}
+
+func (app *ExtApplication) Watch(addr, storageAddr string) {
+	var event string
+	if len(storageAddr) == 0 {
+		event = "object:" + string(ethutil.Hex2Bytes(addr))
+		app.lib.eth.Reactor().Subscribe(event, app.changeChan)
+	} else {
+		event = "storage:" + string(ethutil.Hex2Bytes(addr)) + ":" + string(ethutil.Hex2Bytes(storageAddr))
+		app.lib.eth.Reactor().Subscribe(event, app.changeChan)
+	}
+
+	app.registeredEvents = append(app.registeredEvents, event)
+}

ethereal/ui/gui.go

@@ -0,0 +1,405 @@
+package ethui
+
+import (
+	"bytes"
+	"fmt"
+	"github.com/ethereum/eth-go"
+	"github.com/ethereum/eth-go/ethchain"
+	"github.com/ethereum/eth-go/ethdb"
+	"github.com/ethereum/eth-go/ethlog"
+	"github.com/ethereum/eth-go/ethpub"
+	"github.com/ethereum/eth-go/ethutil"
+	"github.com/ethereum/go-ethereum/utils"
+	"github.com/go-qml/qml"
+	"math/big"
+	"strings"
+	"time"
+)
+
+var logger = ethlog.NewLogger("GUI")
+
+type Gui struct {
+	// The main application window
+	win *qml.Window
+	// QML Engine
+	engine    *qml.Engine
+	component *qml.Common
+	// The ethereum interface
+	eth *eth.Ethereum
+
+	// The public Ethereum library
+	uiLib *UiLib
+
+	txDb *ethdb.LDBDatabase
+
+	pub      *ethpub.PEthereum
+	logLevel ethlog.LogLevel
+	open     bool
+
+	Session string
+}
+
+// Create GUI, but doesn't start it
+func New(ethereum *eth.Ethereum, session string, logLevel int) *Gui {
+
+	db, err := ethdb.NewLDBDatabase("tx_database")
+	if err != nil {
+		panic(err)
+	}
+
+	pub := ethpub.NewPEthereum(ethereum)
+
+	return &Gui{eth: ethereum, txDb: db, pub: pub, logLevel: ethlog.LogLevel(logLevel), Session: session, open: false}
+}
+
+func (gui *Gui) Start(assetPath string) {
+	const version = "0.5.0 RC15"
+
+	defer gui.txDb.Close()
+
+	// Register ethereum functions
+	qml.RegisterTypes("Ethereum", 1, 0, []qml.TypeSpec{{
+		Init: func(p *ethpub.PBlock, obj qml.Object) { p.Number = 0; p.Hash = "" },
+	}, {
+		Init: func(p *ethpub.PTx, obj qml.Object) { p.Value = ""; p.Hash = ""; p.Address = "" },
+	}, {
+		Init: func(p *ethpub.KeyVal, obj qml.Object) { p.Key = ""; p.Value = "" },
+	}})
+
+	ethutil.Config.SetClientString("Ethereal")
+
+	// Create a new QML engine
+	gui.engine = qml.NewEngine()
+	context := gui.engine.Context()
+
+	// Expose the eth library and the ui library to QML
+	context.SetVar("eth", gui)
+	context.SetVar("pub", gui.pub)
+	gui.uiLib = NewUiLib(gui.engine, gui.eth, assetPath)
+	context.SetVar("ui", gui.uiLib)
+
+	// Load the main QML interface
+	data, _ := ethutil.Config.Db.Get([]byte("KeyRing"))
+
+	var win *qml.Window
+	var err error
+	var addlog = false
+	if len(data) == 0 {
+		win, err = gui.showKeyImport(context)
+	} else {
+		win, err = gui.showWallet(context)
+		addlog = true
+	}
+	if err != nil {
+		logger.Errorln("asset not found: you can set an alternative asset path on the command line using option 'asset_path'", err)
+
+		panic(err)
+	}
+
+	logger.Infoln("Starting GUI")
+	gui.open = true
+	win.Show()
+	// only add the gui logger after window is shown otherwise slider wont be shown
+	if addlog {
+		ethlog.AddLogSystem(gui)
+	}
+	win.Wait()
+	// need to silence gui logger after window closed otherwise logsystem hangs
+	gui.SetLogLevel(ethlog.Silence)
+	gui.open = false
+}
+
+func (gui *Gui) Stop() {
+	if gui.open {
+		gui.SetLogLevel(ethlog.Silence)
+		gui.open = false
+		gui.win.Hide()
+	}
+	logger.Infoln("Stopped")
+}
+
+func (gui *Gui) ToggleMining() {
+	var txt string
+	if gui.eth.Mining {
+		utils.StopMining(gui.eth)
+		txt = "Start mining"
+	} else {
+		utils.StartMining(gui.eth)
+		txt = "Stop mining"
+	}
+
+	gui.win.Root().Set("miningButtonText", txt)
+}
+
+func (gui *Gui) showWallet(context *qml.Context) (*qml.Window, error) {
+	component, err := gui.engine.LoadFile(gui.uiLib.AssetPath("qml/wallet.qml"))
+	if err != nil {
+		return nil, err
+	}
+
+	win := gui.createWindow(component)
+
+	gui.setInitialBlockChain()
+	gui.loadAddressBook()
+	gui.readPreviousTransactions()
+	gui.setPeerInfo()
+
+	go gui.update()
+
+	return win, nil
+}
+
+func (gui *Gui) showKeyImport(context *qml.Context) (*qml.Window, error) {
+	context.SetVar("lib", gui)
+	component, err := gui.engine.LoadFile(gui.uiLib.AssetPath("qml/first_run.qml"))
+	if err != nil {
+		return nil, err
+	}
+	return gui.createWindow(component), nil
+}
+
+func (gui *Gui) createWindow(comp qml.Object) *qml.Window {
+	win := comp.CreateWindow(nil)
+
+	gui.win = win
+	gui.uiLib.win = win
+
+	return gui.win
+}
+
+func (gui *Gui) ImportAndSetPrivKey(secret string) bool {
+	err := gui.eth.KeyManager().InitFromString(gui.Session, 0, secret)
+	if err != nil {
+		logger.Errorln("unable to import: ", err)
+		return false
+	}
+	logger.Errorln("successfully imported: ", err)
+	return true
+}
+
+func (gui *Gui) CreateAndSetPrivKey() (string, string, string, string) {
+	err := gui.eth.KeyManager().Init(gui.Session, 0, true)
+	if err != nil {
+		logger.Errorln("unable to create key: ", err)
+		return "", "", "", ""
+	}
+	return gui.eth.KeyManager().KeyPair().AsStrings()
+}
+
+func (gui *Gui) setInitialBlockChain() {
+	sBlk := gui.eth.BlockChain().LastBlockHash
+	blk := gui.eth.BlockChain().GetBlock(sBlk)
+	for ; blk != nil; blk = gui.eth.BlockChain().GetBlock(sBlk) {
+		sBlk = blk.PrevHash
+		addr := gui.address()
+
+		// Loop through all transactions to see if we missed any while being offline
+		for _, tx := range blk.Transactions() {
+			if bytes.Compare(tx.Sender(), addr) == 0 || bytes.Compare(tx.Recipient, addr) == 0 {
+				if ok, _ := gui.txDb.Get(tx.Hash()); ok == nil {
+					gui.txDb.Put(tx.Hash(), tx.RlpEncode())
+				}
+
+			}
+		}
+
+		gui.processBlock(blk, true)
+	}
+}
+
+type address struct {
+	Name, Address string
+}
+
+var namereg = ethutil.Hex2Bytes("bb5f186604d057c1c5240ca2ae0f6430138ac010")
+
+func (gui *Gui) loadAddressBook() {
+	gui.win.Root().Call("clearAddress")
+	stateObject := gui.eth.StateManager().CurrentState().GetStateObject(namereg)
+	if stateObject != nil {
+		stateObject.State().EachStorage(func(name string, value *ethutil.Value) {
+			gui.win.Root().Call("addAddress", struct{ Name, Address string }{name, ethutil.Bytes2Hex(value.Bytes())})
+		})
+	}
+}
+
+func (gui *Gui) readPreviousTransactions() {
+	it := gui.txDb.Db().NewIterator(nil, nil)
+	addr := gui.address()
+	for it.Next() {
+		tx := ethchain.NewTransactionFromBytes(it.Value())
+
+		var inout string
+		if bytes.Compare(tx.Sender(), addr) == 0 {
+			inout = "send"
+		} else {
+			inout = "recv"
+		}
+
+		gui.win.Root().Call("addTx", ethpub.NewPTx(tx), inout)
+
+	}
+	it.Release()
+}
+
+func (gui *Gui) processBlock(block *ethchain.Block, initial bool) {
+	gui.win.Root().Call("addBlock", ethpub.NewPBlock(block), initial)
+}
+
+func (gui *Gui) setWalletValue(amount, unconfirmedFunds *big.Int) {
+	var str string
+	if unconfirmedFunds != nil {
+		pos := "+"
+		if unconfirmedFunds.Cmp(big.NewInt(0)) < 0 {
+			pos = "-"
+		}
+		val := ethutil.CurrencyToString(new(big.Int).Abs(ethutil.BigCopy(unconfirmedFunds)))
+		str = fmt.Sprintf("%v (%s %v)", ethutil.CurrencyToString(amount), pos, val)
+	} else {
+		str = fmt.Sprintf("%v", ethutil.CurrencyToString(amount))
+	}
+
+	gui.win.Root().Call("setWalletValue", str)
+}
+
+// Simple go routine function that updates the list of peers in the GUI
+func (gui *Gui) update() {
+	reactor := gui.eth.Reactor()
+
+	blockChan := make(chan ethutil.React, 1)
+	txChan := make(chan ethutil.React, 1)
+	objectChan := make(chan ethutil.React, 1)
+	peerChan := make(chan ethutil.React, 1)
+
+	reactor.Subscribe("newBlock", blockChan)
+	reactor.Subscribe("newTx:pre", txChan)
+	reactor.Subscribe("newTx:post", txChan)
+	reactor.Subscribe("object:"+string(namereg), objectChan)
+	reactor.Subscribe("peerList", peerChan)
+
+	ticker := time.NewTicker(5 * time.Second)
+
+	state := gui.eth.StateManager().TransState()
+
+	unconfirmedFunds := new(big.Int)
+	gui.win.Root().Call("setWalletValue", fmt.Sprintf("%v", ethutil.CurrencyToString(state.GetAccount(gui.address()).Amount)))
+
+	for {
+		select {
+		case b := <-blockChan:
+			block := b.Resource.(*ethchain.Block)
+			gui.processBlock(block, false)
+			if bytes.Compare(block.Coinbase, gui.address()) == 0 {
+				gui.setWalletValue(gui.eth.StateManager().CurrentState().GetAccount(gui.address()).Amount, nil)
+			}
+
+		case txMsg := <-txChan:
+			tx := txMsg.Resource.(*ethchain.Transaction)
+
+			if txMsg.Event == "newTx:pre" {
+				object := state.GetAccount(gui.address())
+
+				if bytes.Compare(tx.Sender(), gui.address()) == 0 {
+					gui.win.Root().Call("addTx", ethpub.NewPTx(tx), "send")
+					gui.txDb.Put(tx.Hash(), tx.RlpEncode())
+
+					unconfirmedFunds.Sub(unconfirmedFunds, tx.Value)
+				} else if bytes.Compare(tx.Recipient, gui.address()) == 0 {
+					gui.win.Root().Call("addTx", ethpub.NewPTx(tx), "recv")
+					gui.txDb.Put(tx.Hash(), tx.RlpEncode())
+
+					unconfirmedFunds.Add(unconfirmedFunds, tx.Value)
+				}
+
+				gui.setWalletValue(object.Amount, unconfirmedFunds)
+			} else {
+				object := state.GetAccount(gui.address())
+				if bytes.Compare(tx.Sender(), gui.address()) == 0 {
+					object.SubAmount(tx.Value)
+				} else if bytes.Compare(tx.Recipient, gui.address()) == 0 {
+					object.AddAmount(tx.Value)
+				}
+
+				gui.setWalletValue(object.Amount, nil)
+
+				state.UpdateStateObject(object)
+			}
+		case <-objectChan:
+			gui.loadAddressBook()
+		case <-peerChan:
+			gui.setPeerInfo()
+		case <-ticker.C:
+			gui.setPeerInfo()
+		}
+	}
+}
+
+func (gui *Gui) setPeerInfo() {
+	gui.win.Root().Call("setPeers", fmt.Sprintf("%d / %d", gui.eth.PeerCount(), gui.eth.MaxPeers))
+
+	gui.win.Root().Call("resetPeers")
+	for _, peer := range gui.pub.GetPeers() {
+		gui.win.Root().Call("addPeer", peer)
+	}
+}
+
+func (gui *Gui) privateKey() string {
+	return ethutil.Bytes2Hex(gui.eth.KeyManager().PrivateKey())
+}
+
+func (gui *Gui) address() []byte {
+	return gui.eth.KeyManager().Address()
+}
+
+func (gui *Gui) RegisterName(name string) {
+	name = fmt.Sprintf("\"%s\"\n1", name)
+	gui.pub.Transact(gui.privateKey(), "namereg", "1000", "1000000", "150", name)
+}
+
+func (gui *Gui) Transact(recipient, value, gas, gasPrice, data string) (*ethpub.PReceipt, error) {
+	return gui.pub.Transact(gui.privateKey(), recipient, value, gas, gasPrice, data)
+}
+
+func (gui *Gui) Create(recipient, value, gas, gasPrice, data string) (*ethpub.PReceipt, error) {
+	return gui.pub.Transact(gui.privateKey(), recipient, value, gas, gasPrice, data)
+}
+
+func (gui *Gui) ChangeClientId(id string) {
+	ethutil.Config.SetIdentifier(id)
+}
+
+func (gui *Gui) ClientId() string {
+	return ethutil.Config.Identifier
+}
+
+// functions that allow Gui to implement interface ethlog.LogSystem
+func (gui *Gui) SetLogLevel(level ethlog.LogLevel) {
+	gui.logLevel = level
+}
+
+func (gui *Gui) GetLogLevel() ethlog.LogLevel {
+	return gui.logLevel
+}
+
+// this extra function needed to give int typecast value to gui widget
+// that sets initial loglevel to default
+func (gui *Gui) GetLogLevelInt() int {
+	return int(gui.logLevel)
+}
+
+func (gui *Gui) Println(v ...interface{}) {
+	gui.printLog(fmt.Sprintln(v...))
+}
+
+func (gui *Gui) Printf(format string, v ...interface{}) {
+	gui.printLog(fmt.Sprintf(format, v...))
+}
+
+// Print function that logs directly to the GUI
+func (gui *Gui) printLog(s string) {
+	str := strings.TrimRight(s, "\n")
+	lines := strings.Split(str, "\n")
+	for _, line := range lines {
+		gui.win.Root().Call("addLog", line)
+	}
+}

ethereal/ui/html_container.go

@@ -0,0 +1,133 @@
+package ethui
+
+import (
+	"errors"
+	"github.com/ethereum/eth-go/ethchain"
+	"github.com/ethereum/eth-go/ethpub"
+	"github.com/ethereum/eth-go/ethutil"
+	"github.com/go-qml/qml"
+	"github.com/howeyc/fsnotify"
+	"io/ioutil"
+	"log"
+	"net/url"
+	"os"
+	"path"
+	"path/filepath"
+)
+
+type HtmlApplication struct {
+	win     *qml.Window
+	webView qml.Object
+	engine  *qml.Engine
+	lib     *UiLib
+	path    string
+	watcher *fsnotify.Watcher
+}
+
+func NewHtmlApplication(path string, lib *UiLib) *HtmlApplication {
+	engine := qml.NewEngine()
+
+	return &HtmlApplication{engine: engine, lib: lib, path: path}
+
+}
+
+func (app *HtmlApplication) Create() error {
+	component, err := app.engine.LoadFile(app.lib.AssetPath("qml/webapp.qml"))
+	if err != nil {
+		return err
+	}
+
+	if filepath.Ext(app.path) == "eth" {
+		return errors.New("Ethereum package not yet supported")
+
+		// TODO
+		ethutil.OpenPackage(app.path)
+	}
+
+	win := component.CreateWindow(nil)
+	win.Set("url", app.path)
+	webView := win.ObjectByName("webView")
+
+	app.win = win
+	app.webView = webView
+
+	return nil
+}
+
+func (app *HtmlApplication) RootFolder() string {
+	folder, err := url.Parse(app.path)
+	if err != nil {
+		return ""
+	}
+	return path.Dir(folder.RequestURI())
+}
+func (app *HtmlApplication) RecursiveFolders() []os.FileInfo {
+	files, _ := ioutil.ReadDir(app.RootFolder())
+	var folders []os.FileInfo
+	for _, file := range files {
+		if file.IsDir() {
+			folders = append(folders, file)
+		}
+	}
+	return folders
+}
+
+func (app *HtmlApplication) NewWatcher(quitChan chan bool) {
+	var err error
+
+	app.watcher, err = fsnotify.NewWatcher()
+	if err != nil {
+		return
+	}
+	err = app.watcher.Watch(app.RootFolder())
+	if err != nil {
+		log.Fatal(err)
+	}
+	for _, folder := range app.RecursiveFolders() {
+		fullPath := app.RootFolder() + "/" + folder.Name()
+		app.watcher.Watch(fullPath)
+	}
+
+	go func() {
+	out:
+		for {
+			select {
+			case <-quitChan:
+				app.watcher.Close()
+				break out
+			case <-app.watcher.Event:
+				//logger.Debugln("Got event:", ev)
+				app.webView.Call("reload")
+			case err := <-app.watcher.Error:
+				// TODO: Do something here
+				logger.Infoln("Watcher error:", err)
+			}
+		}
+	}()
+
+}
+
+func (app *HtmlApplication) Engine() *qml.Engine {
+	return app.engine
+}
+
+func (app *HtmlApplication) Window() *qml.Window {
+	return app.win
+}
+
+func (app *HtmlApplication) NewBlock(block *ethchain.Block) {
+	b := &ethpub.PBlock{Number: int(block.BlockInfo().Number), Hash: ethutil.Bytes2Hex(block.Hash())}
+	app.webView.Call("onNewBlockCb", b)
+}
+
+func (app *HtmlApplication) ObjectChanged(stateObject *ethchain.StateObject) {
+	app.webView.Call("onObjectChangeCb", ethpub.NewPStateObject(stateObject))
+}
+
+func (app *HtmlApplication) StorageChanged(storageObject *ethchain.StorageState) {
+	app.webView.Call("onStorageChangeCb", ethpub.NewPStorageState(storageObject))
+}
+
+func (app *HtmlApplication) Destroy() {
+	app.engine.Destroy()
+}

ethereal/ui/qml_app.go

@@ -0,0 +1,59 @@
+package ethui
+
+import (
+	"github.com/ethereum/eth-go/ethchain"
+	"github.com/ethereum/eth-go/ethpub"
+	"github.com/ethereum/eth-go/ethutil"
+	"github.com/go-qml/qml"
+)
+
+type QmlApplication struct {
+	win    *qml.Window
+	engine *qml.Engine
+	lib    *UiLib
+	path   string
+}
+
+func NewQmlApplication(path string, lib *UiLib) *QmlApplication {
+	engine := qml.NewEngine()
+	return &QmlApplication{engine: engine, path: path, lib: lib}
+}
+
+func (app *QmlApplication) Create() error {
+	component, err := app.engine.LoadFile(app.path)
+	if err != nil {
+		logger.Warnln(err)
+	}
+	app.win = component.CreateWindow(nil)
+
+	return nil
+}
+
+func (app *QmlApplication) Destroy() {
+	app.engine.Destroy()
+}
+
+func (app *QmlApplication) NewWatcher(quitChan chan bool) {
+}
+
+// Events
+func (app *QmlApplication) NewBlock(block *ethchain.Block) {
+	pblock := &ethpub.PBlock{Number: int(block.BlockInfo().Number), Hash: ethutil.Bytes2Hex(block.Hash())}
+	app.win.Call("onNewBlockCb", pblock)
+}
+
+func (app *QmlApplication) ObjectChanged(stateObject *ethchain.StateObject) {
+	app.win.Call("onObjectChangeCb", ethpub.NewPStateObject(stateObject))
+}
+
+func (app *QmlApplication) StorageChanged(storageObject *ethchain.StorageState) {
+	app.win.Call("onStorageChangeCb", ethpub.NewPStorageState(storageObject))
+}
+
+// Getters
+func (app *QmlApplication) Engine() *qml.Engine {
+	return app.engine
+}
+func (app *QmlApplication) Window() *qml.Window {
+	return app.win
+}

ethereal/ui/ui_lib.go

@@ -0,0 +1,100 @@
+package ethui
+
+import (
+	"github.com/ethereum/eth-go"
+	"github.com/ethereum/eth-go/ethutil"
+	"github.com/go-qml/qml"
+	"path"
+)
+
+type memAddr struct {
+	Num   string
+	Value string
+}
+
+// UI Library that has some basic functionality exposed
+type UiLib struct {
+	engine    *qml.Engine
+	eth       *eth.Ethereum
+	connected bool
+	assetPath string
+	// The main application window
+	win      *qml.Window
+	Db       *Debugger
+	DbWindow *DebuggerWindow
+}
+
+func NewUiLib(engine *qml.Engine, eth *eth.Ethereum, assetPath string) *UiLib {
+	return &UiLib{engine: engine, eth: eth, assetPath: assetPath}
+}
+
+func (ui *UiLib) OpenQml(path string) {
+	container := NewQmlApplication(path[7:], ui)
+	app := NewExtApplication(container, ui)
+
+	go app.run()
+}
+
+func (ui *UiLib) OpenHtml(path string) {
+	container := NewHtmlApplication(path, ui)
+	app := NewExtApplication(container, ui)
+
+	go app.run()
+}
+
+func (ui *UiLib) Muted(content string) {
+	component, err := ui.engine.LoadFile(ui.AssetPath("qml/muted.qml"))
+	if err != nil {
+		logger.Debugln(err)
+
+		return
+	}
+	win := component.CreateWindow(nil)
+	go func() {
+		path := "file://" + ui.AssetPath("muted/index.html")
+		win.Set("url", path)
+
+		win.Show()
+		win.Wait()
+	}()
+}
+
+func (ui *UiLib) Connect(button qml.Object) {
+	if !ui.connected {
+		ui.eth.Start(true)
+		ui.connected = true
+		button.Set("enabled", false)
+	}
+}
+
+func (ui *UiLib) ConnectToPeer(addr string) {
+	ui.eth.ConnectToPeer(addr)
+}
+
+func (ui *UiLib) AssetPath(p string) string {
+	return path.Join(ui.assetPath, p)
+}
+
+func (self *UiLib) StartDbWithContractAndData(contractHash, data string) {
+	dbWindow := NewDebuggerWindow(self)
+	object := self.eth.StateManager().CurrentState().GetStateObject(ethutil.Hex2Bytes(contractHash))
+	if len(object.Script()) > 0 {
+		dbWindow.SetCode("0x" + ethutil.Bytes2Hex(object.Script()))
+	}
+	dbWindow.SetData("0x" + data)
+
+	dbWindow.Show()
+}
+
+func (self *UiLib) StartDbWithCode(code string) {
+	dbWindow := NewDebuggerWindow(self)
+	dbWindow.SetCode("0x" + code)
+	dbWindow.Show()
+}
+
+func (self *UiLib) StartDebugger() {
+	dbWindow := NewDebuggerWindow(self)
+	//self.DbWindow = dbWindow
+
+	dbWindow.Show()
+}

ethereum/cmd.go

@@ -0,0 +1,32 @@
+package main
+
+import (
+	"github.com/ethereum/eth-go"
+	"github.com/ethereum/go-ethereum/utils"
+	"io/ioutil"
+	"os"
+)
+
+func InitJsConsole(ethereum *eth.Ethereum) {
+	repl := NewJSRepl(ethereum)
+	go repl.Start()
+	utils.RegisterInterrupt(func(os.Signal) {
+		repl.Stop()
+	})
+}
+
+func ExecJsFile(ethereum *eth.Ethereum, InputFile string) {
+	file, err := os.Open(InputFile)
+	if err != nil {
+		logger.Fatalln(err)
+	}
+	content, err := ioutil.ReadAll(file)
+	if err != nil {
+		logger.Fatalln(err)
+	}
+	re := NewJSRE(ethereum)
+	utils.RegisterInterrupt(func(os.Signal) {
+		re.Stop()
+	})
+	re.Run(string(content))
+}

ethereum/flags.go

@@ -0,0 +1,76 @@
+package main
+
+import (
+	"flag"
+	"fmt"
+	"github.com/ethereum/eth-go/ethlog"
+	"os"
+	"os/user"
+	"path"
+)
+
+var Identifier string
+var KeyRing string
+var KeyStore string
+var StartRpc bool
+var RpcPort int
+var UseUPnP bool
+var OutboundPort string
+var ShowGenesis bool
+var AddPeer string
+var MaxPeer int
+var GenAddr bool
+var UseSeed bool
+var SecretFile string
+var ExportDir string
+var NonInteractive bool
+var Datadir string
+var LogFile string
+var ConfigFile string
+var DebugFile string
+var LogLevel int
+
+// flags specific to cli client
+var StartMining bool
+var StartJsConsole bool
+var InputFile string
+
+func defaultDataDir() string {
+	usr, _ := user.Current()
+	return path.Join(usr.HomeDir, ".ethereum")
+}
+
+var defaultConfigFile = path.Join(defaultDataDir(), "conf.ini")
+
+func Init() {
+	flag.Usage = func() {
+		fmt.Fprintf(os.Stderr, "%s [options] [filename]:\noptions precedence: default < config file < environment variables < command line\n", os.Args[0])
+		flag.PrintDefaults()
+	}
+
+	flag.StringVar(&Identifier, "id", "", "Custom client identifier")
+	flag.StringVar(&KeyRing, "keyring", "", "identifier for keyring to use")
+	flag.StringVar(&KeyStore, "keystore", "db", "system to store keyrings: db|file (db)")
+	flag.StringVar(&OutboundPort, "port", "30303", "listening port")
+	flag.BoolVar(&UseUPnP, "upnp", false, "enable UPnP support")
+	flag.IntVar(&MaxPeer, "maxpeer", 10, "maximum desired peers")
+	flag.IntVar(&RpcPort, "rpcport", 8080, "port to start json-rpc server on")
+	flag.BoolVar(&StartRpc, "rpc", false, "start rpc server")
+	flag.BoolVar(&NonInteractive, "y", false, "non-interactive mode (say yes to confirmations)")
+	flag.BoolVar(&UseSeed, "seed", true, "seed peers")
+	flag.BoolVar(&GenAddr, "genaddr", false, "create a new priv/pub key")
+	flag.StringVar(&SecretFile, "import", "", "imports the file given (hex or mnemonic formats)")
+	flag.StringVar(&ExportDir, "export", "", "exports the session keyring to files in the directory given")
+	flag.StringVar(&LogFile, "logfile", "", "log file (defaults to standard output)")
+	flag.StringVar(&Datadir, "datadir", defaultDataDir(), "specifies the datadir to use")
+	flag.StringVar(&ConfigFile, "conf", defaultConfigFile, "config file")
+	flag.StringVar(&DebugFile, "debug", "", "debug file (no debugging if not set)")
+	flag.IntVar(&LogLevel, "loglevel", int(ethlog.InfoLevel), "loglevel: 0-5: silent,error,warn,info,debug,debug detail)")
+
+	flag.BoolVar(&StartMining, "mine", false, "start dagger mining")
+	flag.BoolVar(&StartJsConsole, "js", false, "launches javascript console")
+
+	flag.Parse()
+
+	InputFile = flag.Arg(0)
+}

ethereum/javascript_runtime.go

@@ -0,0 +1,231 @@
+package main
+
+import (
+	"fmt"
+	"github.com/ethereum/eth-go"
+	"github.com/ethereum/eth-go/ethchain"
+	"github.com/ethereum/eth-go/ethlog"
+	"github.com/ethereum/eth-go/ethpub"
+	"github.com/ethereum/eth-go/ethutil"
+	"github.com/ethereum/go-ethereum/utils"
+	"github.com/obscuren/otto"
+	"io/ioutil"
+	"os"
+	"path"
+	"path/filepath"
+)
+
+var jsrelogger = ethlog.NewLogger("JSRE")
+
+type JSRE struct {
+	ethereum *eth.Ethereum
+	vm       *otto.Otto
+	lib      *ethpub.PEthereum
+
+	blockChan  chan ethutil.React
+	changeChan chan ethutil.React
+	quitChan   chan bool
+
+	objectCb map[string][]otto.Value
+}
+
+func (jsre *JSRE) LoadExtFile(path string) {
+	result, err := ioutil.ReadFile(path)
+	if err == nil {
+		jsre.vm.Run(result)
+	} else {
+		jsrelogger.Debugln("Could not load file:", path)
+	}
+}
+
+func (jsre *JSRE) LoadIntFile(file string) {
+	assetPath := path.Join(os.Getenv("GOPATH"), "src", "github.com", "ethereum", "go-ethereum", "ethereal", "assets", "ext")
+	jsre.LoadExtFile(path.Join(assetPath, file))
+}
+
+func NewJSRE(ethereum *eth.Ethereum) *JSRE {
+	re := &JSRE{
+		ethereum,
+		otto.New(),
+		ethpub.NewPEthereum(ethereum),
+		make(chan ethutil.React, 1),
+		make(chan ethutil.React, 1),
+		make(chan bool),
+		make(map[string][]otto.Value),
+	}
+
+	// Init the JS lib
+	re.vm.Run(jsLib)
+
+	// Load extra javascript files
+	re.LoadIntFile("string.js")
+	re.LoadIntFile("big.js")
+
+	// We have to make sure that, whoever calls this, calls "Stop"
+	go re.mainLoop()
+
+	re.Bind("eth", &JSEthereum{re.lib, re.vm})
+
+	re.initStdFuncs()
+
+	jsrelogger.Infoln("started")
+
+	return re
+}
+
+func (self *JSRE) Bind(name string, v interface{}) {
+	self.vm.Set(name, v)
+}
+
+func (self *JSRE) Run(code string) (otto.Value, error) {
+	return self.vm.Run(code)
+}
+
+func (self *JSRE) Require(file string) error {
+	if len(filepath.Ext(file)) == 0 {
+		file += ".js"
+	}
+
+	fh, err := os.Open(file)
+	if err != nil {
+		return err
+	}
+
+	content, _ := ioutil.ReadAll(fh)
+	self.Run("exports = {};(function() {" + string(content) + "})();")
+
+	return nil
+}
+
+func (self *JSRE) Stop() {
+	// Kill the main loop
+	self.quitChan <- true
+
+	close(self.blockChan)
+	close(self.quitChan)
+	close(self.changeChan)
+	jsrelogger.Infoln("stopped")
+}
+
+func (self *JSRE) mainLoop() {
+	// Subscribe to events
+	reactor := self.ethereum.Reactor()
+	reactor.Subscribe("newBlock", self.blockChan)
+
+out:
+	for {
+		select {
+		case <-self.quitChan:
+			break out
+		case block := <-self.blockChan:
+			if _, ok := block.Resource.(*ethchain.Block); ok {
+			}
+		case object := <-self.changeChan:
+			if stateObject, ok := object.Resource.(*ethchain.StateObject); ok {
+				for _, cb := range self.objectCb[ethutil.Bytes2Hex(stateObject.Address())] {
+					val, _ := self.vm.ToValue(ethpub.NewPStateObject(stateObject))
+					cb.Call(cb, val)
+				}
+			} else if storageObject, ok := object.Resource.(*ethchain.StorageState); ok {
+				for _, cb := range self.objectCb[ethutil.Bytes2Hex(storageObject.StateAddress)+ethutil.Bytes2Hex(storageObject.Address)] {
+					val, _ := self.vm.ToValue(ethpub.NewPStorageState(storageObject))
+					cb.Call(cb, val)
+				}
+			}
+		}
+	}
+}
+
+func (self *JSRE) initStdFuncs() {
+	t, _ := self.vm.Get("eth")
+	eth := t.Object()
+	eth.Set("watch", self.watch)
+	eth.Set("addPeer", self.addPeer)
+	eth.Set("require", self.require)
+	eth.Set("stopMining", self.stopMining)
+	eth.Set("startMining", self.startMining)
+	eth.Set("execBlock", self.execBlock)
+}
+
+/*
+ * The following methods are natively implemented javascript functions
+ */
+
+func (self *JSRE) stopMining(call otto.FunctionCall) otto.Value {
+	v, _ := self.vm.ToValue(utils.StopMining(self.ethereum))
+	return v
+}
+
+func (self *JSRE) startMining(call otto.FunctionCall) otto.Value {
+	v, _ := self.vm.ToValue(utils.StartMining(self.ethereum))
+	return v
+}
+
+// eth.watch
+func (self *JSRE) watch(call otto.FunctionCall) otto.Value {
+	addr, _ := call.Argument(0).ToString()
+	var storageAddr string
+	var cb otto.Value
+	var storageCallback bool
+	if len(call.ArgumentList) > 2 {
+		storageCallback = true
+		storageAddr, _ = call.Argument(1).ToString()
+		cb = call.Argument(2)
+	} else {
+		cb = call.Argument(1)
+	}
+
+	if storageCallback {
+		self.objectCb[addr+storageAddr] = append(self.objectCb[addr+storageAddr], cb)
+
+		event := "storage:" + string(ethutil.Hex2Bytes(addr)) + ":" + string(ethutil.Hex2Bytes(storageAddr))
+		self.ethereum.Reactor().Subscribe(event, self.changeChan)
+	} else {
+		self.objectCb[addr] = append(self.objectCb[addr], cb)
+
+		event := "object:" + string(ethutil.Hex2Bytes(addr))
+		self.ethereum.Reactor().Subscribe(event, self.changeChan)
+	}
+
+	return otto.UndefinedValue()
+}
+
+func (self *JSRE) addPeer(call otto.FunctionCall) otto.Value {
+	host, err := call.Argument(0).ToString()
+	if err != nil {
+		return otto.FalseValue()
+	}
+	self.ethereum.ConnectToPeer(host)
+
+	return otto.TrueValue()
+}
+
+func (self *JSRE) require(call otto.FunctionCall) otto.Value {
+	file, err := call.Argument(0).ToString()
+	if err != nil {
+		return otto.UndefinedValue()
+	}
+	if err := self.Require(file); err != nil {
+		fmt.Println("err:", err)
+		return otto.UndefinedValue()
+	}
+
+	t, _ := self.vm.Get("exports")
+
+	return t
+}
+
+func (self *JSRE) execBlock(call otto.FunctionCall) otto.Value {
+	hash, err := call.Argument(0).ToString()
+	if err != nil {
+		return otto.UndefinedValue()
+	}
+
+	err = utils.BlockDo(self.ethereum, ethutil.Hex2Bytes(hash))
+	if err != nil {
+		fmt.Println(err)
+		return otto.FalseValue()
+	}
+
+	return otto.TrueValue()
+}

ethereum/js_lib.go

@@ -0,0 +1,53 @@
+package main
+
+const jsLib = `
+function pp(object) {
+    var str = "";
+
+    if(object instanceof Array) {
+        str += "[ ";
+        for(var i = 0, l = object.length; i < l; i++) {
+            str += pp(object[i]);
+
+            if(i < l-1) {
+                str += ", ";
+            }
+        }
+        str += " ]";
+    } else if(typeof(object) === "object") {
+        str += "{ ";
+        var last = Object.keys(object).sort().pop()
+        for(var k in object) {
+            str += k + ": " + pp(object[k]);
+
+            if(k !== last) {
+                str += ", ";
+            }
+        }
+        str += " }";
+    } else if(typeof(object) === "string") {
+        str += "\033[32m'" + object + "'";
+    } else if(typeof(object) === "undefined") {
+        str += "\033[1m\033[30m" + object;
+    } else if(typeof(object) === "number") {
+        str += "\033[31m" + object;
+    } else if(typeof(object) === "function") {
+	str += "\033[35m[Function]";
+    } else {
+        str += object;                    
+    }
+
+    str += "\033[0m";
+
+    return str;
+}
+
+function prettyPrint(/* */) {
+    var args = arguments;
+    for(var i = 0, l = args.length; i < l; i++) {
+	    console.log(pp(args[i]))
+    }
+}
+
+var print = prettyPrint;
+`

ethereum/main.go

@@ -0,0 +1,57 @@
+package main
+
+import (
+	"github.com/ethereum/eth-go/ethlog"
+	"github.com/ethereum/go-ethereum/utils"
+	"runtime"
+)
+
+var logger = ethlog.NewLogger("CLI")
+
+func main() {
+	runtime.GOMAXPROCS(runtime.NumCPU())
+
+	utils.HandleInterrupt()
+
+	// precedence: code-internal flag default < config file < environment variables < command line
+	Init() // parsing command line
+	utils.InitConfig(ConfigFile, Datadir, Identifier, "ETH")
+
+	utils.InitDataDir(Datadir)
+
+	utils.InitLogging(Datadir, LogFile, LogLevel, DebugFile)
+
+	db := utils.NewDatabase()
+
+	keyManager := utils.NewKeyManager(KeyStore, Datadir, db)
+
+	// create, import, export keys
+	utils.KeyTasks(keyManager, KeyRing, GenAddr, SecretFile, ExportDir, NonInteractive)
+
+	ethereum := utils.NewEthereum(db, keyManager, UseUPnP, OutboundPort, MaxPeer)
+
+	if ShowGenesis {
+		utils.ShowGenesis(ethereum)
+	}
+
+	if StartMining {
+		utils.StartMining(ethereum)
+	}
+
+	// better reworked as cases
+	if StartJsConsole {
+		InitJsConsole(ethereum)
+	} else if len(InputFile) > 0 {
+		ExecJsFile(ethereum, InputFile)
+	}
+
+	if StartRpc {
+		utils.StartRpc(ethereum, RpcPort)
+	}
+
+	utils.StartEthereum(ethereum, UseSeed)
+
+	// this blocks the thread
+	ethereum.WaitForShutdown()
+	ethlog.Flush()
+}

ethereum/repl.go

@@ -0,0 +1,153 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"github.com/ethereum/eth-go"
+	"github.com/ethereum/eth-go/ethpub"
+	"github.com/ethereum/eth-go/ethutil"
+	"github.com/obscuren/otto"
+	"io"
+	"os"
+	"path"
+)
+
+type Repl interface {
+	Start()
+	Stop()
+}
+
+type JSRepl struct {
+	re *JSRE
+
+	prompt string
+
+	history *os.File
+
+	running bool
+}
+
+func NewJSRepl(ethereum *eth.Ethereum) *JSRepl {
+	hist, err := os.OpenFile(path.Join(ethutil.Config.ExecPath, "history"), os.O_RDWR|os.O_CREATE, os.ModePerm)
+	if err != nil {
+		panic(err)
+	}
+
+	return &JSRepl{re: NewJSRE(ethereum), prompt: "> ", history: hist}
+}
+
+func (self *JSRepl) Start() {
+	if !self.running {
+		self.running = true
+		logger.Infoln("init JS Console")
+		reader := bufio.NewReader(self.history)
+		for {
+			line, err := reader.ReadString('\n')
+			if err != nil && err == io.EOF {
+				break
+			} else if err != nil {
+				fmt.Println("error reading history", err)
+				break
+			}
+
+			addHistory(line[:len(line)-1])
+		}
+		self.read()
+	}
+}
+
+func (self *JSRepl) Stop() {
+	if self.running {
+		self.running = false
+		self.re.Stop()
+		logger.Infoln("exit JS Console")
+		self.history.Close()
+	}
+}
+
+func (self *JSRepl) parseInput(code string) {
+	defer func() {
+		if r := recover(); r != nil {
+			fmt.Println("[native] error", r)
+		}
+	}()
+
+	value, err := self.re.Run(code)
+	if err != nil {
+		fmt.Println(err)
+		return
+	}
+
+	self.PrintValue(value)
+}
+
+// The JSEthereum object attempts to wrap the PEthereum object and returns
+// meaningful javascript objects
+type JSBlock struct {
+	*ethpub.PBlock
+	eth *JSEthereum
+}
+
+func (self *JSBlock) GetTransaction(hash string) otto.Value {
+	return self.eth.toVal(self.PBlock.GetTransaction(hash))
+}
+
+type JSEthereum struct {
+	*ethpub.PEthereum
+	vm *otto.Otto
+}
+
+func (self *JSEthereum) GetBlock(hash string) otto.Value {
+	return self.toVal(&JSBlock{self.PEthereum.GetBlock(hash), self})
+}
+
+func (self *JSEthereum) GetPeers() otto.Value {
+	return self.toVal(self.PEthereum.GetPeers())
+}
+
+func (self *JSEthereum) GetKey() otto.Value {
+	return self.toVal(self.PEthereum.GetKey())
+}
+
+func (self *JSEthereum) GetStateObject(addr string) otto.Value {
+	return self.toVal(self.PEthereum.GetStateObject(addr))
+}
+
+func (self *JSEthereum) GetStateKeyVals(addr string) otto.Value {
+	return self.toVal(self.PEthereum.GetStateObject(addr).StateKeyVal(false))
+}
+
+func (self *JSEthereum) Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr string) otto.Value {
+	r, err := self.PEthereum.Transact(key, recipient, valueStr, gasStr, gasPriceStr, dataStr)
+	if err != nil {
+		fmt.Println(err)
+
+		return otto.UndefinedValue()
+	}
+
+	return self.toVal(r)
+}
+
+func (self *JSEthereum) Create(key, valueStr, gasStr, gasPriceStr, scriptStr string) otto.Value {
+	r, err := self.PEthereum.Create(key, valueStr, gasStr, gasPriceStr, scriptStr)
+
+	if err != nil {
+		fmt.Println(err)
+
+		return otto.UndefinedValue()
+	}
+
+	return self.toVal(r)
+}
+
+func (self *JSEthereum) toVal(v interface{}) otto.Value {
+	result, err := self.vm.ToValue(v)
+
+	if err != nil {
+		fmt.Println("Value unknown:", err)
+
+		return otto.UndefinedValue()
+	}
+
+	return result
+}

ethereum/repl_darwin.go

@@ -0,0 +1,123 @@
+package main
+
+// #cgo darwin CFLAGS: -I/usr/local/opt/readline/include
+// #cgo darwin LDFLAGS: -L/usr/local/opt/readline/lib
+// #cgo LDFLAGS: -lreadline
+// #include <stdio.h>
+// #include <stdlib.h>
+// #include <readline/readline.h>
+// #include <readline/history.h>
+import "C"
+import (
+	"os"
+	"os/signal"
+	"strings"
+	"syscall"
+	"unsafe"
+)
+
+func initReadLine() {
+	C.rl_catch_sigwinch = 0
+	C.rl_catch_signals = 0
+	c := make(chan os.Signal, 1)
+	signal.Notify(c, syscall.SIGWINCH)
+	signal.Notify(c, os.Interrupt)
+	go func() {
+		for sig := range c {
+			switch sig {
+			case syscall.SIGWINCH:
+				C.rl_resize_terminal()
+
+			case os.Interrupt:
+				C.rl_cleanup_after_signal()
+			default:
+
+			}
+		}
+	}()
+}
+
+func readLine(prompt *string) *string {
+	var p *C.char
+
+	//readline allows an empty prompt(NULL)
+	if prompt != nil {
+		p = C.CString(*prompt)
+	}
+
+	ret := C.readline(p)
+
+	if p != nil {
+		C.free(unsafe.Pointer(p))
+	}
+
+	if ret == nil {
+		return nil
+	} //EOF
+
+	s := C.GoString(ret)
+	C.free(unsafe.Pointer(ret))
+	return &s
+}
+
+func addHistory(s string) {
+	p := C.CString(s)
+	C.add_history(p)
+	C.free(unsafe.Pointer(p))
+}
+
+var indentCount = 0
+var str = ""
+
+func (self *JSRepl) setIndent() {
+	open := strings.Count(str, "{")
+	open += strings.Count(str, "(")
+	closed := strings.Count(str, "}")
+	closed += strings.Count(str, ")")
+	indentCount = open - closed
+	if indentCount <= 0 {
+		self.prompt = "> "
+	} else {
+		self.prompt = strings.Join(make([]string, indentCount*2), "..")
+		self.prompt += " "
+	}
+}
+
+func (self *JSRepl) read() {
+	initReadLine()
+L:
+	for {
+		switch result := readLine(&self.prompt); true {
+		case result == nil:
+			break L
+
+		case *result != "":
+			str += *result + "\n"
+
+			self.setIndent()
+
+			if indentCount <= 0 {
+				if *result == "exit" {
+					self.Stop()
+					break L
+				}
+
+				hist := str[:len(str)-1]
+				addHistory(hist) //allow user to recall this line
+				self.history.WriteString(str)
+
+				self.parseInput(str)
+
+				str = ""
+			}
+		}
+	}
+}
+
+func (self *JSRepl) PrintValue(v interface{}) {
+	method, _ := self.re.vm.Get("prettyPrint")
+	v, err := self.re.vm.ToValue(v)
+	if err == nil {
+		method.Call(method, v)
+	}
+}

ethereum/repl_linux.go

@@ -0,0 +1 @@
+repl_darwin.go

ethereum/repl_windows.go

@@ -0,0 +1,24 @@
+package main
+
+import (
+	"bufio"
+	"fmt"
+	"os"
+)
+
+func (self *JSRepl) read() {
+	reader := bufio.NewReader(os.Stdin)
+	for {
+		fmt.Printf(self.prompt)
+		str, _, err := reader.ReadLine()
+		if err != nil {
+			fmt.Println("Error reading input", err)
+		} else {
+			self.parseInput(string(str))
+		}
+	}
+}
+
+func (self *JSRepl) PrintValue(value otto.Value) {
+	fmt.Println(value)
+}

ethpub/pub.go

@@ -216,7 +216,7 @@ func (lib *PEthereum) createTx(key, recipient, valueStr, gasStr, gasPriceStr, sc
 		tx = ethchain.NewTransactionMessage(hash, value, gas, gasPrice, data)
 	}
 
-	acc := lib.stateManager.TransState().GetStateObject(keyPair.Address())
+	acc := lib.stateManager.TransState().GetOrNewStateObject(keyPair.Address())
 	tx.Nonce = acc.Nonce
 	acc.Nonce += 1
 	lib.stateManager.TransState().UpdateStateObject(acc)

install.sh

@@ -0,0 +1,57 @@
+#!/bin/sh
+
+if [ "$1" == "" ]; then
+	echo "Usage $0 executable branch ethereum develop"
+	echo "executable    ethereum or ethereal"
+	echo "branch        develop or master"
+	exit
+fi
+
+exe=$1
+branch=$2
+
+# Test if go is installed
+command -v go >/dev/null 2>&1 || { echo >&2 "Unable to find 'go'. This script requires go."; exit 1; }
+
+# Test if $GOPATH is set
+if [ "$GOPATH" == "" ]; then
+	echo "\$GOPATH not set"
+	exit
+fi
+
+echo "go get -u -d github.com/ethereum/go-ethereum/$exe"
+go get -v -u -d github.com/ethereum/go-ethereum/$exe
+if [ $? != 0 ]; then
+	echo "go get failed"
+	exit
+fi
+
+echo "serpent-go"
+cd $GOPATH/src/github.com/obscuren/serpent-go
+
+echo "init submodule"
+git submodule init
+git submodule update
+
+echo "eth-go"
+cd $GOPATH/src/github.com/ethereum/eth-go
+git checkout $branch
+
+echo "go-ethereum"
+cd $GOPATH/src/github.com/ethereum/go-ethereum/$exe
+git checkout $branch
+
+if [ "$exe" == "ethereal" ]; then
+	echo "Building ethereal GUI. Assuming Qt is installed. If this step"
+	echo "fails; please refer to: https://github.com/ethereum/go-ethereum/wiki/Building-Ethereum(Go)"
+else
+	echo "Building ethereum CLI."
+fi
+
+go install
+if [ $? == 0 ]; then
+	echo "go install failed"
+	exit
+fi
+
+echo "done. Please run $exe :-)"

utils/cmd.go

@@ -0,0 +1,253 @@
+package utils
+
+import (
+	"fmt"
+	"github.com/ethereum/eth-go"
+	"github.com/ethereum/eth-go/ethcrypto"
+	"github.com/ethereum/eth-go/ethdb"
+	"github.com/ethereum/eth-go/ethlog"
+	"github.com/ethereum/eth-go/ethminer"
+	"github.com/ethereum/eth-go/ethpub"
+	"github.com/ethereum/eth-go/ethrpc"
+	"github.com/ethereum/eth-go/ethutil"
+	"io"
+	"log"
+	"os"
+	"os/signal"
+	"path"
+	"time"
+)
+
+var logger = ethlog.NewLogger("CLI")
+var interruptCallbacks = []func(os.Signal){}
+
+// Register interrupt handlers callbacks
+func RegisterInterrupt(cb func(os.Signal)) {
+	interruptCallbacks = append(interruptCallbacks, cb)
+}
+
+// go routine that call interrupt handlers in order of registering
+func HandleInterrupt() {
+	c := make(chan os.Signal, 1)
+	go func() {
+		signal.Notify(c, os.Interrupt)
+		for sig := range c {
+			logger.Errorf("Shutting down (%v) ... \n", sig)
+			RunInterruptCallbacks(sig)
+		}
+	}()
+}
+
+func RunInterruptCallbacks(sig os.Signal) {
+	for _, cb := range interruptCallbacks {
+		cb(sig)
+	}
+}
+
+func AbsolutePath(Datadir string, filename string) string {
+	if path.IsAbs(filename) {
+		return filename
+	}
+	return path.Join(Datadir, filename)
+}
+
+func openLogFile(Datadir string, filename string) *os.File {
+	path := AbsolutePath(Datadir, filename)
+	file, err := os.OpenFile(path, os.O_RDWR|os.O_CREATE|os.O_APPEND, 0666)
+	if err != nil {
+		panic(fmt.Sprintf("error opening log file '%s': %v", filename, err))
+	}
+	return file
+}
+
+func confirm(message string) bool {
+	fmt.Println(message, "Are you sure? (y/n)")
+	var r string
+	fmt.Scanln(&r)
+	for ; ; fmt.Scanln(&r) {
+		if r == "n" || r == "y" {
+			break
+		} else {
+			fmt.Printf("Yes or no?", r)
+		}
+	}
+	return r == "y"
+}
+
+func InitDataDir(Datadir string) {
+	_, err := os.Stat(Datadir)
+	if err != nil {
+		if os.IsNotExist(err) {
+			fmt.Printf("Data directory '%s' doesn't exist, creating it\n", Datadir)
+			os.Mkdir(Datadir, 0777)
+		}
+	}
+}
+
+func InitLogging(Datadir string, LogFile string, LogLevel int, DebugFile string) {
+	var writer io.Writer
+	if LogFile == "" {
+		writer = os.Stdout
+	} else {
+		writer = openLogFile(Datadir, LogFile)
+	}
+	ethlog.AddLogSystem(ethlog.NewStdLogSystem(writer, log.LstdFlags, ethlog.LogLevel(LogLevel)))
+	if DebugFile != "" {
+		writer = openLogFile(Datadir, DebugFile)
+		ethlog.AddLogSystem(ethlog.NewStdLogSystem(writer, log.LstdFlags, ethlog.DebugLevel))
+	}
+}
+
+func InitConfig(ConfigFile string, Datadir string, Identifier string, EnvPrefix string) {
+	InitDataDir(Datadir)
+	ethutil.ReadConfig(ConfigFile, Datadir, Identifier, EnvPrefix)
+}
+
+func exit(err error) {
+	status := 0
+	if err != nil {
+		logger.Errorln("Fatal: ", err)
+		status = 1
+	}
+	ethlog.Flush()
+	os.Exit(status)
+}
+
+func NewDatabase() ethutil.Database {
+	db, err := ethdb.NewLDBDatabase("database")
+	if err != nil {
+		exit(err)
+	}
+	return db
+}
+
+func NewEthereum(db ethutil.Database, keyManager *ethcrypto.KeyManager, usePnp bool, OutboundPort string, MaxPeer int) *eth.Ethereum {
+	ethereum, err := eth.New(db, keyManager, eth.CapDefault, usePnp)
+	if err != nil {
+		logger.Fatalln("eth start err:", err)
+	}
+	ethereum.Port = OutboundPort
+	ethereum.MaxPeers = MaxPeer
+	return ethereum
+}
+
+func StartEthereum(ethereum *eth.Ethereum, UseSeed bool) {
+	logger.Infof("Starting Ethereum v%s", ethutil.Config.Ver)
+	ethereum.Start(UseSeed)
+	RegisterInterrupt(func(sig os.Signal) {
+		ethereum.Stop()
+		ethlog.Flush()
+	})
+}
+
+func ShowGenesis(ethereum *eth.Ethereum) {
+	logger.Infoln(ethereum.BlockChain().Genesis())
+	exit(nil)
+}
+
+func NewKeyManager(KeyStore string, Datadir string, db ethutil.Database) *ethcrypto.KeyManager {
+	var keyManager *ethcrypto.KeyManager
+	switch {
+	case KeyStore == "db":
+		keyManager = ethcrypto.NewDBKeyManager(db)
+	case KeyStore == "file":
+		keyManager = ethcrypto.NewFileKeyManager(Datadir)
+	default:
+		exit(fmt.Errorf("unknown keystore type: %s", KeyStore))
+	}
+	return keyManager
+}
+
+func KeyTasks(keyManager *ethcrypto.KeyManager, KeyRing string, GenAddr bool, SecretFile string, ExportDir string, NonInteractive bool) {
+	var err error
+	switch {
+	case GenAddr:
+		if NonInteractive || confirm("This action overwrites your old private key.") {
+			err = keyManager.Init(KeyRing, 0, true)
+		}
+		exit(err)
+	case len(SecretFile) > 0:
+		if NonInteractive || confirm("This action overwrites your old private key.") {
+			err = keyManager.InitFromSecretsFile(KeyRing, 0, SecretFile)
+		}
+		exit(err)
+	case len(ExportDir) > 0:
+		err = keyManager.Init(KeyRing, 0, false)
+		if err == nil {
+			err = keyManager.Export(ExportDir)
+		}
+		exit(err)
+	default:
+		// Creates a keypair if none exists
+		err = keyManager.Init(KeyRing, 0, false)
+		if err != nil {
+			exit(err)
+		}
+	}
+}
+
+func StartRpc(ethereum *eth.Ethereum, RpcPort int) {
+	var err error
+	ethereum.RpcServer, err = ethrpc.NewJsonRpcServer(ethpub.NewPEthereum(ethereum), RpcPort)
+	if err != nil {
+		logger.Errorf("Could not start RPC interface (port %v): %v", RpcPort, err)
+	} else {
+		go ethereum.RpcServer.Start()
+	}
+}
+
+var miner ethminer.Miner
+
+func StartMining(ethereum *eth.Ethereum) bool {
+	if !ethereum.Mining {
+		ethereum.Mining = true
+
+		addr := ethereum.KeyManager().Address()
+
+		go func() {
+			miner = ethminer.NewDefaultMiner(addr, ethereum)
+			// Give it some time to connect with peers
+			time.Sleep(3 * time.Second)
+			for !ethereum.IsUpToDate() == false {
+				time.Sleep(5 * time.Second)
+			}
+
+			logger.Infoln("Miner started")
+			miner := ethminer.NewDefaultMiner(addr, ethereum)
+			miner.Start()
+		}()
+		RegisterInterrupt(func(os.Signal) {
+			StopMining(ethereum)
+		})
+		return true
+	}
+	return false
+}
+
+func StopMining(ethereum *eth.Ethereum) bool {
+	if ethereum.Mining {
+		miner.Stop()
+		logger.Infoln("Miner stopped")
+		ethereum.Mining = false
+		return true
+	}
+	return false
+}
+
+// Replay block
+func BlockDo(ethereum *eth.Ethereum, hash []byte) error {
+	block := ethereum.BlockChain().GetBlock(hash)
+	if block == nil {
+		return fmt.Errorf("unknown block %x", hash)
+	}
+
+	parent := ethereum.BlockChain().GetBlock(block.PrevHash)
+
+	_, err := ethereum.StateManager().ApplyDiff(parent.State(), parent, block)
+	if err != nil {
+		return err
+	}
+
+	return nil
+
+}