jsre, rpc/api: pull in new web3 and use hex numbers

jsre/ethereum_js.go

@@ -1002,7 +1002,7 @@ var formatInputDynamicBytes = function (value) {
  * @returns {SolidityParam}
  */
 var formatInputString = function (value) {
-    var result = utils.fromAscii(value).substr(2);
+    var result = utils.fromUtf8(value).substr(2);
     var length = result.length / 2;
     var l = Math.floor((result.length + 63) / 64);
     result = utils.padRight(result, l * 64);
@@ -1139,7 +1139,7 @@ var formatOutputDynamicBytes = function (param) {
  */
 var formatOutputString = function (param) {
     var length = (new BigNumber(param.dynamicPart().slice(0, 64), 16)).toNumber() * 2;
-    return utils.toAscii(param.dynamicPart().substr(64, length));
+    return utils.toUtf8(param.dynamicPart().substr(64, length));
 };
 
 /**
@@ -1697,7 +1697,7 @@ var SolidityType = require('./type');
  */
 var SolidityTypeUInt = function () {
     this._inputFormatter = f.formatInputInt;
-    this._outputFormatter = f.formatOutputInt;
+    this._outputFormatter = f.formatOutputUInt;
 };
 
 SolidityTypeUInt.prototype = new SolidityType({});
@@ -1876,7 +1876,7 @@ module.exports = function (str, isNew) {
         console.warn('new usage: \'web3.sha3("hello")\'');
         console.warn('see https://github.com/ethereum/web3.js/pull/205');
         console.warn('if you need to hash hex value, you can do \'sha3("0xfff", true)\'');
-        str = utils.toAscii(str);
+        str = utils.toUtf8(str);
     }
 
     return sha3(str, {
@@ -1885,7 +1885,7 @@ module.exports = function (str, isNew) {
 };
 
 
-},{"./utils":20,"crypto-js/sha3":47}],20:[function(require,module,exports){
+},{"./utils":20,"crypto-js/sha3":48}],20:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -1923,6 +1923,7 @@ module.exports = function (str, isNew) {
 
 
 var BigNumber = require('bignumber.js');
+var utf8 = require('utf8');
 
 var unitMap = {
     'wei':          '1',
@@ -1978,8 +1979,29 @@ var padRight = function (string, chars, sign) {
 };
 
 /**
- * Should be called to get sting from it's hex representation
+ * Should be called to get utf8 from it's hex representation
- * TODO: it should be called toUTF8
+ *
+ * @method toUtf8
+ * @param {String} string in hex
+ * @returns {String} ascii string representation of hex value
+ */
+var toUtf8 = function(hex) {
+// Find termination
+    var str = "";
+    var i = 0, l = hex.length;
+    if (hex.substring(0, 2) === '0x') {
+        i = 2;
+    }
+    for (; i < l; i+=2) {
+        var code = parseInt(hex.substr(i, 2), 16);
+        str += String.fromCharCode(code);
+    }
+
+    return utf8.decode(str);
+};
+
+/**
+ * Should be called to get ascii from it's hex representation
  *
  * @method toAscii
  * @param {String} string in hex
@@ -1997,25 +2019,26 @@ var toAscii = function(hex) {
         str += String.fromCharCode(code);
     }
 
-    return decodeURIComponent(escape(str)); // jshint ignore:line
+    return str;
 };
 
 /**
- * Shold be called to get hex representation (prefixed by 0x) of ascii string 
+ * Shold be called to get hex representation (prefixed by 0x) of utf8 string
  *
- * @method toHexNative
+ * @method fromUtf8
  * @param {String} string
+ * @param {Number} optional padding
  * @returns {String} hex representation of input string
  */
-var toHexNative = function(str) {
+var fromUtf8 = function(str) {
-    str = unescape(encodeURIComponent(str)); // jshint ignore:line
+    str = utf8.encode(str);
     var hex = "";
     for(var i = 0; i < str.length; i++) {
         var n = str.charCodeAt(i).toString(16);
         hex += n.length < 2 ? '0' + n : n;
     }
 
-    return hex;
+    return "0x" + hex;
 };
 
 /**
@@ -2026,11 +2049,14 @@ var toHexNative = function(str) {
  * @param {Number} optional padding
  * @returns {String} hex representation of input string
  */
-var fromAscii = function(str, pad) {
+var fromAscii = function(str) {
-    pad = pad === undefined ? 0 : pad;
+    var hex = "";
-    var hex = toHexNative(str);
+    for(var i = 0; i < str.length; i++) {
-    while (hex.length < pad*2)
+        var code = str.charCodeAt(i);
-        hex += "00";
+        var n = code.toString(16);
+        hex += n.length < 2 ? '0' + n : n;
+    }
+
     return "0x" + hex;
 };
 
@@ -2113,7 +2139,7 @@ var toHex = function (val) {
         return fromDecimal(val);
 
     if (isObject(val))
-        return fromAscii(JSON.stringify(val));
+        return fromUtf8(JSON.stringify(val));
 
     // if its a negative number, pass it through fromDecimal
     if (isString(val)) {
@@ -2242,7 +2268,7 @@ var toTwosComplement = function (number) {
  * @return {Boolean}
 */
 var isStrictAddress = function (address) {
-    return /^0x[0-9a-f]{40}$/.test(address);
+    return /^0x[0-9a-f]{40}$/i.test(address);
 };
 
 /**
@@ -2253,7 +2279,7 @@ var isStrictAddress = function (address) {
  * @return {Boolean}
 */
 var isAddress = function (address) {
-    return /^(0x)?[0-9a-f]{40}$/.test(address);
+    return /^(0x)?[0-9a-f]{40}$/i.test(address);
 };
 
 /**
@@ -2365,7 +2391,9 @@ module.exports = {
     toHex: toHex,
     toDecimal: toDecimal,
     fromDecimal: fromDecimal,
+    toUtf8: toUtf8,
     toAscii: toAscii,
+    fromUtf8: fromUtf8,
     fromAscii: fromAscii,
     transformToFullName: transformToFullName,
     extractDisplayName: extractDisplayName,
@@ -2386,10 +2414,9 @@ module.exports = {
     isJson: isJson
 };
 
-
+},{"bignumber.js":"bignumber.js","utf8":50}],21:[function(require,module,exports){
-},{"bignumber.js":"bignumber.js"}],21:[function(require,module,exports){
 module.exports={
-    "version": "0.12.1"
+    "version": "0.13.0"
 }
 
 },{}],22:[function(require,module,exports){
@@ -2426,6 +2453,7 @@ var db = require('./web3/methods/db');
 var shh = require('./web3/methods/shh');
 var watches = require('./web3/methods/watches');
 var Filter = require('./web3/filter');
+var IsSyncing = require('./web3/syncing');
 var utils = require('./utils/utils');
 var formatters = require('./web3/formatters');
 var RequestManager = require('./web3/requestmanager');
@@ -2480,6 +2508,10 @@ web3.version = {};
 web3.version.api = version.version;
 web3.eth = {};
 
+web3.eth.isSyncing = function (callback) {
+    return new IsSyncing(callback);
+};
+
 /*jshint maxparams:4 */
 web3.eth.filter = function (fil, callback) {
     return new Filter(fil, watches.eth(), formatters.outputLogFormatter, callback);
@@ -2499,14 +2531,16 @@ web3.setProvider = function (provider) {
 web3.isConnected = function(){
      return (this.currentProvider && this.currentProvider.isConnected());
 };
-web3.reset = function () {
+web3.reset = function (keepIsSyncing) {
-    RequestManager.getInstance().reset();
+    RequestManager.getInstance().reset(keepIsSyncing);
     c.defaultBlock = 'latest';
     c.defaultAccount = undefined;
 };
 web3.toHex = utils.toHex;
 web3.toAscii = utils.toAscii;
+web3.toUtf8 = utils.toUtf8;
 web3.fromAscii = utils.fromAscii;
+web3.fromUtf8 = utils.fromUtf8;
 web3.toDecimal = utils.toDecimal;
 web3.fromDecimal = utils.fromDecimal;
 web3.toBigNumber = utils.toBigNumber;
@@ -2569,7 +2603,7 @@ setupMethods(web3.shh, shh.methods);
 module.exports = web3;
 
 
-},{"./utils/config":18,"./utils/sha3":19,"./utils/utils":20,"./version.json":21,"./web3/batch":24,"./web3/filter":28,"./web3/formatters":29,"./web3/method":35,"./web3/methods/db":36,"./web3/methods/eth":37,"./web3/methods/net":38,"./web3/methods/shh":39,"./web3/methods/watches":40,"./web3/property":42,"./web3/requestmanager":43}],23:[function(require,module,exports){
+},{"./utils/config":18,"./utils/sha3":19,"./utils/utils":20,"./version.json":21,"./web3/batch":24,"./web3/filter":28,"./web3/formatters":29,"./web3/method":35,"./web3/methods/db":36,"./web3/methods/eth":37,"./web3/methods/net":38,"./web3/methods/shh":39,"./web3/methods/watches":40,"./web3/property":42,"./web3/requestmanager":43,"./web3/syncing":44}],23:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -3301,7 +3335,7 @@ var toTopic = function(value){
     if(value.indexOf('0x') === 0)
         return value;
     else
-        return utils.fromAscii(value);
+        return utils.fromUtf8(value);
 };
 
 /// This method should be called on options object, to verify deprecated properties && lazy load dynamic ones
@@ -3371,12 +3405,14 @@ var pollFilter = function(self) {
             });
         }
 
+        if(utils.isArray(messages)) {
             messages.forEach(function (message) {
                 message = self.formatter ? self.formatter(message) : message;
                 self.callbacks.forEach(function (callback) {
                     callback(null, message);
                 });
             });
+        }
     };
 
     RequestManager.getInstance().startPolling({
@@ -3396,6 +3432,7 @@ var Filter = function (options, methods, formatter, callback) {
     this.implementation = implementation;
     this.filterId = null;
     this.callbacks = [];
+    this.getLogsCallbacks = [];
     this.pollFilters = [];
     this.formatter = formatter;
     this.implementation.newFilter(this.options, function(error, id){
@@ -3406,6 +3443,13 @@ var Filter = function (options, methods, formatter, callback) {
         } else {
             self.filterId = id;
 
+            // check if there are get pending callbacks as a consequence
+            // of calling get() with filterId unassigned.
+            self.getLogsCallbacks.forEach(function (cb){
+                self.get(cb);
+            });
+            self.getLogsCallbacks = [];
+
             // get filter logs for the already existing watch calls
             self.callbacks.forEach(function(cb){
                 getLogsAtStart(self, cb);
@@ -3444,6 +3488,11 @@ Filter.prototype.stopWatching = function () {
 Filter.prototype.get = function (callback) {
     var self = this;
     if (utils.isFunction(callback)) {
+        if (this.filterId === null) {
+            // If filterId is not set yet, call it back
+            // when newFilter() assigns it.
+            this.getLogsCallbacks.push(callback);
+        } else {
             this.implementation.getLogs(this.filterId, function(err, res){
                 if (err) {
                     callback(err);
@@ -3453,7 +3502,11 @@ Filter.prototype.get = function (callback) {
                     }));
                 }
             });
+        }
     } else {
+        if (this.filterId === null) {
+            throw new Error('Filter ID Error: filter().get() can\'t be chained synchronous, please provide a callback for the get() method.');
+        }
         var logs = this.implementation.getLogs(this.filterId);
         return logs.map(function (log) {
             return self.formatter ? self.formatter(log) : log;
@@ -3690,7 +3743,7 @@ var inputPostFormatter = function(post) {
 
     // format the following options
     post.topics = post.topics.map(function(topic){
-        return utils.fromAscii(topic);
+        return utils.fromUtf8(topic);
     });
 
     return post;
@@ -3710,7 +3763,7 @@ var outputPostFormatter = function(post){
     post.ttl = utils.toDecimal(post.ttl);
     post.workProved = utils.toDecimal(post.workProved);
     post.payloadRaw = post.payload;
-    post.payload = utils.toAscii(post.payload);
+    post.payload = utils.toUtf8(post.payload);
 
     if (utils.isJson(post.payload)) {
         post.payload = JSON.parse(post.payload);
@@ -3721,7 +3774,7 @@ var outputPostFormatter = function(post){
         post.topics = [];
     }
     post.topics = post.topics.map(function(topic){
-        return utils.toAscii(topic);
+        return utils.toUtf8(topic);
     });
 
     return post;
@@ -3739,6 +3792,16 @@ var inputAddressFormatter = function (address) {
     throw 'invalid address';
 };
 
+
+var outputSyncingFormatter = function(result) {
+
+    result.startingBlock = utils.toDecimal(result.startingBlock);
+    result.currentBlock = utils.toDecimal(result.currentBlock);
+    result.highestBlock = utils.toDecimal(result.highestBlock);
+
+    return result;
+};
+
 module.exports = {
     inputDefaultBlockNumberFormatter: inputDefaultBlockNumberFormatter,
     inputBlockNumberFormatter: inputBlockNumberFormatter,
@@ -3751,7 +3814,8 @@ module.exports = {
     outputTransactionReceiptFormatter: outputTransactionReceiptFormatter,
     outputBlockFormatter: outputBlockFormatter,
     outputLogFormatter: outputLogFormatter,
-    outputPostFormatter: outputPostFormatter
+    outputPostFormatter: outputPostFormatter,
+    outputSyncingFormatter: outputSyncingFormatter
 };
 
 
@@ -4289,7 +4353,7 @@ Iban.isValid = function (iban) {
  * @returns {Boolean} true if it is, otherwise false
  */
 Iban.prototype.isValid = function () {
-    return /^XE[0-9]{2}(ETH[0-9A-Z]{13}|[0-9A-Z]{30})$/.test(this._iban) &&
+    return /^XE[0-9]{2}(ETH[0-9A-Z]{13}|[0-9A-Z]{30,31})$/.test(this._iban) &&
         mod9710(iso13616Prepare(this._iban)) === 1;
 };
 
@@ -5185,6 +5249,11 @@ var properties = [
         getter: 'eth_hashrate',
         outputFormatter: utils.toDecimal
     }),
+    new Property({
+        name: 'syncing',
+        getter: 'eth_syncing',
+        outputFormatter: formatters.outputSyncingFormatter
+    }),
     new Property({
         name: 'gasPrice',
         getter: 'eth_gasPrice',
@@ -5811,11 +5880,15 @@ RequestManager.prototype.stopPolling = function (pollId) {
  *
  * @method reset
  */
-RequestManager.prototype.reset = function () {
+RequestManager.prototype.reset = function (keepIsSyncing) {
     for (var key in this.polls) {
+        // remove all polls, except sync polls,
+        // they need to be removed manually by calling syncing.stopWatching()
+        if(!keepIsSyncing || key.indexOf('syncPoll_') === -1) {
             this.polls[key].uninstall();
+            delete this.polls[key];
+        }
     }
-    this.polls = {};
 
     if (this.timeout) {
         clearTimeout(this.timeout);
@@ -5843,10 +5916,10 @@ RequestManager.prototype.poll = function () {
     }
 
     var pollsData = [];
-    var pollsKeys = [];
+    var pollsIds = [];
     for (var key in this.polls) {
         pollsData.push(this.polls[key].data);
-        pollsKeys.push(key);
+        pollsIds.push(key);
     }
 
     if (pollsData.length === 0) {
@@ -5855,8 +5928,17 @@ RequestManager.prototype.poll = function () {
 
     var payload = Jsonrpc.getInstance().toBatchPayload(pollsData);
 
+    // map the request id to they poll id
+    var pollsIdMap = {};
+    payload.forEach(function(load, index){
+        pollsIdMap[load.id] = pollsIds[index];
+    });
+
+
     var self = this;
     this.provider.sendAsync(payload, function (error, results) {
+
+
         // TODO: console log?
         if (error) {
             return;
@@ -5865,12 +5947,12 @@ RequestManager.prototype.poll = function () {
         if (!utils.isArray(results)) {
             throw errors.InvalidResponse(results);
         }
+        results.map(function (result) {
+            var id = pollsIdMap[result.id];
 
-        results.map(function (result, index) {
-            var key = pollsKeys[index];
             // make sure the filter is still installed after arrival of the request
-            if (self.polls[key]) {
+            if (self.polls[id]) {
-                result.callback = self.polls[key].callback;
+                result.callback = self.polls[id].callback;
                 return result;
             } else
                 return false;
@@ -5882,8 +5964,6 @@ RequestManager.prototype.poll = function () {
                 result.callback(errors.InvalidResponse(result));
             }
             return valid;
-        }).filter(function (result) {
-            return utils.isArray(result.result) && result.result.length > 0;
         }).forEach(function (result) {
             result.callback(null, result.result);
         });
@@ -5910,6 +5990,109 @@ module.exports = RequestManager;
     You should have received a copy of the GNU Lesser General Public License
     along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
 */
+/** @file syncing.js
+ * @authors:
+ *   Fabian Vogelsteller <fabian@ethdev.com>
+ * @date 2015
+ */
+
+var RequestManager = require('./requestmanager');
+var Method = require('./method');
+var formatters = require('./formatters');
+var utils = require('../utils/utils');
+
+
+
+/**
+Adds the callback and sets up the methods, to iterate over the results.
+
+@method pollSyncing
+@param {Object} self
+*/
+var pollSyncing = function(self) {
+    var lastSyncState = false;
+
+    var onMessage = function (error, sync) {
+        if (error) {
+            return self.callbacks.forEach(function (callback) {
+                callback(error);
+            });
+        }
+
+        if(utils.isObject(sync))
+            sync = self.implementation.outputFormatter(sync);
+
+        self.callbacks.forEach(function (callback) {
+            if(lastSyncState !== sync) {
+
+                // call the callback with true first so the app can stop anything, before receiving the sync data
+                if(!lastSyncState && utils.isObject(sync))
+                    callback(null, true);
+
+                // call on the next CPU cycle, so the actions of the sync stop can be processes first
+                setTimeout(function() {
+                    callback(null, sync);
+                }, 1);
+
+                lastSyncState = sync;
+            }
+        });
+    };
+
+    RequestManager.getInstance().startPolling({
+        method: self.implementation.call,
+        params: [],
+    }, self.pollId, onMessage, self.stopWatching.bind(self));
+
+};
+
+var IsSyncing = function (callback) {
+    this.pollId = 'syncPoll_'+ Math.floor(Math.random() * 1000);
+    this.callbacks = [];
+    this.implementation = new Method({
+        name: 'isSyncing',
+        call: 'eth_syncing',
+        params: 0,
+        outputFormatter: formatters.outputSyncingFormatter
+    });
+
+    this.addCallback(callback);
+    pollSyncing(this);
+
+    return this;
+};
+
+IsSyncing.prototype.addCallback = function (callback) {
+    if(callback)
+        this.callbacks.push(callback);
+    return this;
+};
+
+IsSyncing.prototype.stopWatching = function () {
+    RequestManager.getInstance().stopPolling(this.pollId);
+    this.callbacks = [];
+};
+
+module.exports = IsSyncing;
+
+
+},{"../utils/utils":20,"./formatters":29,"./method":35,"./requestmanager":43}],45:[function(require,module,exports){
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
 /**
  * @file transfer.js
  * @author Marek Kotewicz <marek@ethdev.com>
@@ -5990,9 +6173,9 @@ var deposit = function (from, to, value, client, callback) {
 module.exports = transfer;
 
 
-},{"../contracts/SmartExchange.json":3,"../web3":22,"./contract":25,"./iban":32,"./namereg":41}],45:[function(require,module,exports){
+},{"../contracts/SmartExchange.json":3,"../web3":22,"./contract":25,"./iban":32,"./namereg":41}],46:[function(require,module,exports){
 
-},{}],46:[function(require,module,exports){
+},{}],47:[function(require,module,exports){
 ;(function (root, factory) {
 	if (typeof exports === "object") {
 		// CommonJS
@@ -6735,7 +6918,7 @@ module.exports = transfer;
 	return CryptoJS;
 
 }));
-},{}],47:[function(require,module,exports){
+},{}],48:[function(require,module,exports){
 ;(function (root, factory, undef) {
 	if (typeof exports === "object") {
 		// CommonJS
@@ -7059,7 +7242,7 @@ module.exports = transfer;
 	return CryptoJS.SHA3;
 
 }));
-},{"./core":46,"./x64-core":48}],48:[function(require,module,exports){
+},{"./core":47,"./x64-core":49}],49:[function(require,module,exports){
 ;(function (root, factory) {
 	if (typeof exports === "object") {
 		// CommonJS
@@ -7364,7 +7547,253 @@ module.exports = transfer;
 	return CryptoJS;
 
 }));
-},{"./core":46}],"bignumber.js":[function(require,module,exports){
+},{"./core":47}],50:[function(require,module,exports){
+/*! https://mths.be/utf8js v2.0.0 by @mathias */
+;(function(root) {
+
+	// Detect free variables 'exports'
+	var freeExports = typeof exports == 'object' && exports;
+
+	// Detect free variable 'module'
+	var freeModule = typeof module == 'object' && module &&
+		module.exports == freeExports && module;
+
+	// Detect free variable 'global', from Node.js or Browserified code,
+	// and use it as 'root'
+	var freeGlobal = typeof global == 'object' && global;
+	if (freeGlobal.global === freeGlobal || freeGlobal.window === freeGlobal) {
+		root = freeGlobal;
+	}
+
+	/*--------------------------------------------------------------------------*/
+
+	var stringFromCharCode = String.fromCharCode;
+
+	// Taken from https://mths.be/punycode
+	function ucs2decode(string) {
+		var output = [];
+		var counter = 0;
+		var length = string.length;
+		var value;
+		var extra;
+		while (counter < length) {
+			value = string.charCodeAt(counter++);
+			if (value >= 0xD800 && value <= 0xDBFF && counter < length) {
+				// high surrogate, and there is a next character
+				extra = string.charCodeAt(counter++);
+				if ((extra & 0xFC00) == 0xDC00) { // low surrogate
+					output.push(((value & 0x3FF) << 10) + (extra & 0x3FF) + 0x10000);
+				} else {
+					// unmatched surrogate; only append this code unit, in case the next
+					// code unit is the high surrogate of a surrogate pair
+					output.push(value);
+					counter--;
+				}
+			} else {
+				output.push(value);
+			}
+		}
+		return output;
+	}
+
+	// Taken from https://mths.be/punycode
+	function ucs2encode(array) {
+		var length = array.length;
+		var index = -1;
+		var value;
+		var output = '';
+		while (++index < length) {
+			value = array[index];
+			if (value > 0xFFFF) {
+				value -= 0x10000;
+				output += stringFromCharCode(value >>> 10 & 0x3FF | 0xD800);
+				value = 0xDC00 | value & 0x3FF;
+			}
+			output += stringFromCharCode(value);
+		}
+		return output;
+	}
+
+	function checkScalarValue(codePoint) {
+		if (codePoint >= 0xD800 && codePoint <= 0xDFFF) {
+			throw Error(
+				'Lone surrogate U+' + codePoint.toString(16).toUpperCase() +
+				' is not a scalar value'
+			);
+		}
+	}
+	/*--------------------------------------------------------------------------*/
+
+	function createByte(codePoint, shift) {
+		return stringFromCharCode(((codePoint >> shift) & 0x3F) | 0x80);
+	}
+
+	function encodeCodePoint(codePoint) {
+		if ((codePoint & 0xFFFFFF80) == 0) { // 1-byte sequence
+			return stringFromCharCode(codePoint);
+		}
+		var symbol = '';
+		if ((codePoint & 0xFFFFF800) == 0) { // 2-byte sequence
+			symbol = stringFromCharCode(((codePoint >> 6) & 0x1F) | 0xC0);
+		}
+		else if ((codePoint & 0xFFFF0000) == 0) { // 3-byte sequence
+			checkScalarValue(codePoint);
+			symbol = stringFromCharCode(((codePoint >> 12) & 0x0F) | 0xE0);
+			symbol += createByte(codePoint, 6);
+		}
+		else if ((codePoint & 0xFFE00000) == 0) { // 4-byte sequence
+			symbol = stringFromCharCode(((codePoint >> 18) & 0x07) | 0xF0);
+			symbol += createByte(codePoint, 12);
+			symbol += createByte(codePoint, 6);
+		}
+		symbol += stringFromCharCode((codePoint & 0x3F) | 0x80);
+		return symbol;
+	}
+
+	function utf8encode(string) {
+		var codePoints = ucs2decode(string);
+		var length = codePoints.length;
+		var index = -1;
+		var codePoint;
+		var byteString = '';
+		while (++index < length) {
+			codePoint = codePoints[index];
+			byteString += encodeCodePoint(codePoint);
+		}
+		return byteString;
+	}
+
+	/*--------------------------------------------------------------------------*/
+
+	function readContinuationByte() {
+		if (byteIndex >= byteCount) {
+			throw Error('Invalid byte index');
+		}
+
+		var continuationByte = byteArray[byteIndex] & 0xFF;
+		byteIndex++;
+
+		if ((continuationByte & 0xC0) == 0x80) {
+			return continuationByte & 0x3F;
+		}
+
+		// If we end up here, it’s not a continuation byte
+		throw Error('Invalid continuation byte');
+	}
+
+	function decodeSymbol() {
+		var byte1;
+		var byte2;
+		var byte3;
+		var byte4;
+		var codePoint;
+
+		if (byteIndex > byteCount) {
+			throw Error('Invalid byte index');
+		}
+
+		if (byteIndex == byteCount) {
+			return false;
+		}
+
+		// Read first byte
+		byte1 = byteArray[byteIndex] & 0xFF;
+		byteIndex++;
+
+		// 1-byte sequence (no continuation bytes)
+		if ((byte1 & 0x80) == 0) {
+			return byte1;
+		}
+
+		// 2-byte sequence
+		if ((byte1 & 0xE0) == 0xC0) {
+			var byte2 = readContinuationByte();
+			codePoint = ((byte1 & 0x1F) << 6) | byte2;
+			if (codePoint >= 0x80) {
+				return codePoint;
+			} else {
+				throw Error('Invalid continuation byte');
+			}
+		}
+
+		// 3-byte sequence (may include unpaired surrogates)
+		if ((byte1 & 0xF0) == 0xE0) {
+			byte2 = readContinuationByte();
+			byte3 = readContinuationByte();
+			codePoint = ((byte1 & 0x0F) << 12) | (byte2 << 6) | byte3;
+			if (codePoint >= 0x0800) {
+				checkScalarValue(codePoint);
+				return codePoint;
+			} else {
+				throw Error('Invalid continuation byte');
+			}
+		}
+
+		// 4-byte sequence
+		if ((byte1 & 0xF8) == 0xF0) {
+			byte2 = readContinuationByte();
+			byte3 = readContinuationByte();
+			byte4 = readContinuationByte();
+			codePoint = ((byte1 & 0x0F) << 0x12) | (byte2 << 0x0C) |
+				(byte3 << 0x06) | byte4;
+			if (codePoint >= 0x010000 && codePoint <= 0x10FFFF) {
+				return codePoint;
+			}
+		}
+
+		throw Error('Invalid UTF-8 detected');
+	}
+
+	var byteArray;
+	var byteCount;
+	var byteIndex;
+	function utf8decode(byteString) {
+		byteArray = ucs2decode(byteString);
+		byteCount = byteArray.length;
+		byteIndex = 0;
+		var codePoints = [];
+		var tmp;
+		while ((tmp = decodeSymbol()) !== false) {
+			codePoints.push(tmp);
+		}
+		return ucs2encode(codePoints);
+	}
+
+	/*--------------------------------------------------------------------------*/
+
+	var utf8 = {
+		'version': '2.0.0',
+		'encode': utf8encode,
+		'decode': utf8decode
+	};
+
+	// Some AMD build optimizers, like r.js, check for specific condition patterns
+	// like the following:
+	if (
+		typeof define == 'function' &&
+		typeof define.amd == 'object' &&
+		define.amd
+	) {
+		define(function() {
+			return utf8;
+		});
+	}	else if (freeExports && !freeExports.nodeType) {
+		if (freeModule) { // in Node.js or RingoJS v0.8.0+
+			freeModule.exports = utf8;
+		} else { // in Narwhal or RingoJS v0.7.0-
+			var object = {};
+			var hasOwnProperty = object.hasOwnProperty;
+			for (var key in utf8) {
+				hasOwnProperty.call(utf8, key) && (freeExports[key] = utf8[key]);
+			}
+		}
+	} else { // in Rhino or a web browser
+		root.utf8 = utf8;
+	}
+
+}(this));
+
+},{}],"bignumber.js":[function(require,module,exports){
 'use strict';
 
 module.exports = BigNumber; // jshint ignore:line
@@ -7391,6 +7820,6 @@ if (typeof window !== 'undefined' && typeof window.web3 === 'undefined') {
 module.exports = web3;
 
 
-},{"./lib/web3":22,"./lib/web3/contract":25,"./lib/web3/httpprovider":31,"./lib/web3/iban":32,"./lib/web3/ipcprovider":33,"./lib/web3/namereg":41,"./lib/web3/transfer":44}]},{},["web3"])
+},{"./lib/web3":22,"./lib/web3/contract":25,"./lib/web3/httpprovider":31,"./lib/web3/iban":32,"./lib/web3/ipcprovider":33,"./lib/web3/namereg":41,"./lib/web3/transfer":45}]},{},["web3"])
 //# sourceMappingURL=web3-light.js.map
 `

rpc/api/eth.go

@@ -173,9 +173,9 @@ func (self *ethApi) IsSyncing(req *shared.Request) (interface{}, error) {
 
 	if current < height {
 		return map[string]interface{}{
-			"startingBlock": origin,
+			"startingBlock": newHexNum(big.NewInt(int64(origin)).Bytes()),
-			"currentBlock":  current,
+			"currentBlock":  newHexNum(big.NewInt(int64(current)).Bytes()),
-			"highestBlock":  height,
+			"highestBlock":  newHexNum(big.NewInt(int64(height)).Bytes()),
 		}, nil
 	}
 	return false, nil

rpc/api/eth_js.go

@@ -42,10 +42,6 @@ web3._extend({
 		new web3._extend.Property({
 			name: 'pendingTransactions',
 			getter: 'eth_pendingTransactions'
-		}),
-		new web3._extend.Property({
-			name: 'syncing',
-			getter: 'eth_syncing'
 		})
 	]
 });