diff --git a/dist/ethereum.js b/dist/ethereum.js
index c357e19..3f4b5b3 100644
--- a/dist/ethereum.js
+++ b/dist/ethereum.js
@@ -1046,13 +1046,15 @@ var HttpSyncProvider = function (host) {
 
 HttpSyncProvider.prototype.send = function (payload) {
     //var data = formatJsonRpcObject(payload);
-    
+
     var request = new XMLHttpRequest();
     request.open('POST', this.host, false);
     request.send(JSON.stringify(payload));
-    
-    // check request.status
+
     var result = request.responseText;
+    // check request.status
+    if(request.status !== 200)
+        return;
     return JSON.parse(result);
 };
 
diff --git a/dist/ethereum.js.map b/dist/ethereum.js.map
index 128c072..fde96ef 100644
--- a/dist/ethereum.js.map
+++ b/dist/ethereum.js.map
@@ -22,7 +22,7 @@
     "index.js"
   ],
   "names": [],
-  "mappings": 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+  "mappings": 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   "file": "generated.js",
   "sourceRoot": "",
   "sourcesContent": [
@@ -35,7 +35,7 @@
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file event.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2014\n */\n\nvar abi = require('./abi');\nvar utils = require('./utils');\n\n/// filter inputs array && returns only indexed (or not) inputs\n/// @param inputs array\n/// @param bool if result should be an array of indexed params on not\n/// @returns array of (not?) indexed params\nvar filterInputs = function (inputs, indexed) {\n    return inputs.filter(function (current) {\n        return current.indexed === indexed;\n    });\n};\n\nvar inputWithName = function (inputs, name) {\n    var index = utils.findIndex(inputs, function (input) {\n        return input.name === name;\n    });\n    \n    if (index === -1) {\n        console.error('indexed param with name ' + name + ' not found');\n        return undefined;\n    }\n    return inputs[index];\n};\n\nvar indexedParamsToTopics = function (event, indexed) {\n    // sort keys?\n    return Object.keys(indexed).map(function (key) {\n        var inputs = [inputWithName(filterInputs(event.inputs, true), key)];\n\n        var value = indexed[key];\n        if (value instanceof Array) {\n            return value.map(function (v) {\n                return abi.formatInput(inputs, [v]);\n            }); \n        }\n        return abi.formatInput(inputs, [value]);\n    });\n};\n\nvar inputParser = function (address, signature, event) {\n    \n    // valid options are 'earliest', 'latest', 'offset' and 'max', as defined for 'eth.watch'\n    return function (indexed, options) {\n        var o = options || {};\n        o.address = address;\n        o.topic = [];\n        o.topic.push(signature);\n        if (indexed) {\n            o.topic = o.topic.concat(indexedParamsToTopics(event, indexed));\n        }\n        return o;\n    };\n};\n\nvar getArgumentsObject = function (inputs, indexed, notIndexed) {\n    var indexedCopy = indexed.slice();\n    var notIndexedCopy = notIndexed.slice();\n    return inputs.reduce(function (acc, current) {\n        var value;\n        if (current.indexed)\n            value = indexed.splice(0, 1)[0];\n        else\n            value = notIndexed.splice(0, 1)[0];\n\n        acc[current.name] = value;\n        return acc;\n    }, {}); \n};\n \nvar outputParser = function (event) {\n    \n    return function (output) {\n        var result = {\n            event: utils.extractDisplayName(event.name),\n            number: output.number,\n            args: {}\n        };\n\n        if (!output.topic) {\n            return result;\n        }\n       \n        var indexedOutputs = filterInputs(event.inputs, true);\n        var indexedData = \"0x\" + output.topic.slice(1, output.topic.length).map(function (topic) { return topic.slice(2); }).join(\"\");\n        var indexedRes = abi.formatOutput(indexedOutputs, indexedData);\n\n        var notIndexedOutputs = filterInputs(event.inputs, false);\n        var notIndexedRes = abi.formatOutput(notIndexedOutputs, output.data);\n\n        result.args = getArgumentsObject(event.inputs, indexedRes, notIndexedRes);\n\n        return result;\n    };\n};\n\nvar getMatchingEvent = function (events, payload) {\n    for (var i = 0; i < events.length; i++) {\n        var signature = abi.eventSignatureFromAscii(events[i].name); \n        if (signature === payload.topic[0]) {\n            return events[i];\n        }\n    }\n    return undefined;\n};\n\n\nmodule.exports = {\n    inputParser: inputParser,\n    outputParser: outputParser,\n    getMatchingEvent: getMatchingEvent\n};\n\n",
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file filter.js\n * @authors:\n *   Jeffrey Wilcke <jeff@ethdev.com>\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n *   Gav Wood <g@ethdev.com>\n * @date 2014\n */\n\n/// Should be called to check if filter implementation is valid\n/// @returns true if it is, otherwise false\nvar implementationIsValid = function (i) {\n    return !!i && \n        typeof i.newFilter === 'function' && \n        typeof i.getMessages === 'function' && \n        typeof i.uninstallFilter === 'function' &&\n        typeof i.startPolling === 'function' &&\n        typeof i.stopPolling === 'function';\n};\n\n/// This method should be called on options object, to verify deprecated properties && lazy load dynamic ones\n/// @param should be string or object\n/// @returns options string or object\nvar getOptions = function (options) {\n    if (typeof options === 'string') {\n        return options;\n    } \n\n    options = options || {};\n\n    if (options.topics) {\n        console.warn('\"topics\" is deprecated, is \"topic\" instead');\n    }\n\n    // evaluate lazy properties\n    return {\n        to: options.to,\n        topic: options.topic,\n        earliest: options.earliest,\n        latest: options.latest,\n        max: options.max,\n        skip: options.skip,\n        address: options.address\n    };\n};\n\n/// Should be used when we want to watch something\n/// it's using inner polling mechanism and is notified about changes\n/// @param options are filter options\n/// @param implementation, an abstract polling implementation\n/// @param formatter (optional), callback function which formats output before 'real' callback \nvar filter = function(options, implementation, formatter) {\n    if (!implementationIsValid(implementation)) {\n        console.error('filter implemenation is invalid');\n        return;\n    }\n\n    options = getOptions(options);\n    var callbacks = [];\n    var filterId = implementation.newFilter(options);\n    var onMessages = function (messages) {\n        messages.forEach(function (message) {\n            messages = formatter ? formatter(message) : message;\n            callbacks.forEach(function (callback) {\n                callback(message);\n            });\n        });\n    };\n\n    implementation.startPolling(filterId, onMessages, implementation.uninstallFilter);\n\n    var changed = function (callback) {\n        callbacks.push(callback);\n    };\n\n    var messages = function () {\n        return implementation.getMessages(filterId);\n    };\n    \n    var uninstall = function (callback) {\n        implementation.stopPolling(filterId);\n        implementation.uninstallFilter(filterId);\n        callbacks = [];\n    };\n\n    return {\n        changed: changed,\n        arrived: changed,\n        happened: changed,\n        messages: messages,\n        logs: messages,\n        uninstall: uninstall\n    };\n};\n\nmodule.exports = filter;\n\n",
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file formatters.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nif (\"build\" !== 'build') {/*\n    var BigNumber = require('bignumber.js'); // jshint ignore:line\n*/}\n\nvar utils = require('./utils');\nvar c = require('./const');\n\n/// @param string string to be padded\n/// @param number of characters that result string should have\n/// @param sign, by default 0\n/// @returns right aligned string\nvar padLeft = function (string, chars, sign) {\n    return new Array(chars - string.length + 1).join(sign ? sign : \"0\") + string;\n};\n\n/// Formats input value to byte representation of int\n/// If value is negative, return it's two's complement\n/// If the value is floating point, round it down\n/// @returns right-aligned byte representation of int\nvar formatInputInt = function (value) {\n    var padding = c.ETH_PADDING * 2;\n    if (value instanceof BigNumber || typeof value === 'number') {\n        if (typeof value === 'number')\n            value = new BigNumber(value);\n        BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE);\n        value = value.round();\n\n        if (value.lessThan(0)) \n            value = new BigNumber(\"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\", 16).plus(value).plus(1);\n        value = value.toString(16);\n    }\n    else if (value.indexOf('0x') === 0)\n        value = value.substr(2);\n    else if (typeof value === 'string')\n        value = formatInputInt(new BigNumber(value));\n    else\n        value = (+value).toString(16);\n    return padLeft(value, padding);\n};\n\n/// Formats input value to byte representation of string\n/// @returns left-algined byte representation of string\nvar formatInputString = function (value) {\n    return utils.fromAscii(value, c.ETH_PADDING).substr(2);\n};\n\n/// Formats input value to byte representation of bool\n/// @returns right-aligned byte representation bool\nvar formatInputBool = function (value) {\n    return '000000000000000000000000000000000000000000000000000000000000000' + (value ?  '1' : '0');\n};\n\n/// Formats input value to byte representation of real\n/// Values are multiplied by 2^m and encoded as integers\n/// @returns byte representation of real\nvar formatInputReal = function (value) {\n    return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128))); \n};\n\n\n/// Check if input value is negative\n/// @param value is hex format\n/// @returns true if it is negative, otherwise false\nvar signedIsNegative = function (value) {\n    return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';\n};\n\n/// Formats input right-aligned input bytes to int\n/// @returns right-aligned input bytes formatted to int\nvar formatOutputInt = function (value) {\n    value = value || \"0\";\n    // check if it's negative number\n    // it it is, return two's complement\n    if (signedIsNegative(value)) {\n        return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);\n    }\n    return new BigNumber(value, 16);\n};\n\n/// Formats big right-aligned input bytes to uint\n/// @returns right-aligned input bytes formatted to uint\nvar formatOutputUInt = function (value) {\n    value = value || \"0\";\n    return new BigNumber(value, 16);\n};\n\n/// @returns input bytes formatted to real\nvar formatOutputReal = function (value) {\n    return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128)); \n};\n\n/// @returns input bytes formatted to ureal\nvar formatOutputUReal = function (value) {\n    return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128)); \n};\n\n/// @returns right-aligned input bytes formatted to hex\nvar formatOutputHash = function (value) {\n    return \"0x\" + value;\n};\n\n/// @returns right-aligned input bytes formatted to bool\nvar formatOutputBool = function (value) {\n    return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;\n};\n\n/// @returns left-aligned input bytes formatted to ascii string\nvar formatOutputString = function (value) {\n    return utils.toAscii(value);\n};\n\n/// @returns right-aligned input bytes formatted to address\nvar formatOutputAddress = function (value) {\n    return \"0x\" + value.slice(value.length - 40, value.length);\n};\n\n\nmodule.exports = {\n    formatInputInt: formatInputInt,\n    formatInputString: formatInputString,\n    formatInputBool: formatInputBool,\n    formatInputReal: formatInputReal,\n    formatOutputInt: formatOutputInt,\n    formatOutputUInt: formatOutputUInt,\n    formatOutputReal: formatOutputReal,\n    formatOutputUReal: formatOutputUReal,\n    formatOutputHash: formatOutputHash,\n    formatOutputBool: formatOutputBool,\n    formatOutputString: formatOutputString,\n    formatOutputAddress: formatOutputAddress\n};\n\n",
-    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file httpsync.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n * @date 2014\n */\n\nif (\"build\" !== 'build') {/*\n        var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line\n*/}\n\nvar HttpSyncProvider = function (host) {\n    this.handlers = [];\n    this.host = host || 'http://localhost:8080';\n};\n\nHttpSyncProvider.prototype.send = function (payload) {\n    //var data = formatJsonRpcObject(payload);\n    \n    var request = new XMLHttpRequest();\n    request.open('POST', this.host, false);\n    request.send(JSON.stringify(payload));\n    \n    // check request.status\n    var result = request.responseText;\n    return JSON.parse(result);\n};\n\nmodule.exports = HttpSyncProvider;\n\n",
+    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file httpsync.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n * @date 2014\n */\n\nif (\"build\" !== 'build') {/*\n        var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line\n*/}\n\nvar HttpSyncProvider = function (host) {\n    this.handlers = [];\n    this.host = host || 'http://localhost:8080';\n};\n\nHttpSyncProvider.prototype.send = function (payload) {\n    //var data = formatJsonRpcObject(payload);\n\n    var request = new XMLHttpRequest();\n    request.open('POST', this.host, false);\n    request.send(JSON.stringify(payload));\n\n    var result = request.responseText;\n    // check request.status\n    if(request.status !== 200)\n        return;\n    return JSON.parse(result);\n};\n\nmodule.exports = HttpSyncProvider;\n\n",
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file jsonrpc.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nvar messageId = 1;\n\n/// Should be called to valid json create payload object\n/// @param method of jsonrpc call, required\n/// @param params, an array of method params, optional\n/// @returns valid jsonrpc payload object\nvar toPayload = function (method, params) {\n    if (!method)\n        console.error('jsonrpc method should be specified!');\n\n    return {\n        jsonrpc: '2.0',\n        method: method,\n        params: params || [],\n        id: messageId++\n    }; \n};\n\n/// Should be called to check if jsonrpc response is valid\n/// @returns true if response is valid, otherwise false \nvar isValidResponse = function (response) {\n    return !!response &&\n        !response.error &&\n        response.jsonrpc === '2.0' &&\n        typeof response.id === 'number' &&\n        response.result !== undefined; // only undefined is not valid json object\n};\n\n/// Should be called to create batch payload object\n/// @param messages, an array of objects with method (required) and params (optional) fields\nvar toBatchPayload = function (messages) {\n    return messages.map(function (message) {\n        return toPayload(message.method, message.params);\n    }); \n};\n\nmodule.exports = {\n    toPayload: toPayload,\n    isValidResponse: isValidResponse,\n    toBatchPayload: toBatchPayload\n};\n\n\n",
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file qtsync.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n * @date 2014\n */\n\nvar QtSyncProvider = function () {\n};\n\nQtSyncProvider.prototype.send = function (payload) {\n    var result = navigator.qt.callMethod(JSON.stringify(payload));\n    return JSON.parse(result);\n};\n\nmodule.exports = QtSyncProvider;\n\n",
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file requestmanager.js\n * @authors:\n *   Jeffrey Wilcke <jeff@ethdev.com>\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n *   Gav Wood <g@ethdev.com>\n * @date 2014\n */\n\nvar jsonrpc = require('./jsonrpc');\nvar c = require('./const');\n\n/**\n * It's responsible for passing messages to providers\n * It's also responsible for polling the ethereum node for incoming messages\n * Default poll timeout is 1 second\n */\nvar requestManager = function() {\n    var polls = [];\n    var provider;\n\n    var send = function (data) {\n        var payload = jsonrpc.toPayload(data.method, data.params);\n        \n        if (!provider) {\n            console.error('provider is not set');\n            return null;\n        }\n\n        var result = provider.send(payload);\n\n        if (!jsonrpc.isValidResponse(result)) {\n            console.log(result);\n            return null;\n        }\n        \n        return result.result;\n    };\n\n    var setProvider = function (p) {\n        provider = p;\n    };\n\n    var startPolling = function (data, pollId, callback, uninstall) {\n        polls.push({data: data, id: pollId, callback: callback, uninstall: uninstall});\n    };\n\n    var stopPolling = function (pollId) {\n        for (var i = polls.length; i--;) {\n            var poll = polls[i];\n            if (poll.id === pollId) {\n                polls.splice(i, 1);\n            }\n        }\n    };\n\n    var reset = function () {\n        polls.forEach(function (poll) {\n            poll.uninstall(poll.id); \n        });\n        polls = [];\n    };\n\n    var poll = function () {\n        polls.forEach(function (data) {\n            var result = send(data.data);\n            if (!(result instanceof Array) || result.length === 0) {\n                return;\n            }\n            data.callback(result);\n        });\n        setTimeout(poll, c.ETH_POLLING_TIMEOUT);\n    };\n    \n    poll();\n\n    return {\n        send: send,\n        setProvider: setProvider,\n        startPolling: startPolling,\n        stopPolling: stopPolling,\n        reset: reset\n    };\n};\n\nmodule.exports = requestManager;\n\n",
diff --git a/dist/ethereum.min.js b/dist/ethereum.min.js
index 9406b05..495371c 100644
--- a/dist/ethereum.min.js
+++ b/dist/ethereum.min.js
@@ -1 +1 @@
-require=function t(n,e,r){function o(a,u){if(!e[a]){if(!n[a]){var f="function"==typeof require&&require;if(!u&&f)return f(a,!0);if(i)return i(a,!0);var s=new Error("Cannot find module '"+a+"'");throw s.code="MODULE_NOT_FOUND",s}var c=e[a]={exports:{}};n[a][0].call(c.exports,function(t){var e=n[a][1][t];return o(e?e:t)},c,c.exports,t,n,e,r)}return e[a].exports}for(var i="function"==typeof require&&require,a=0;a<r.length;a++)o(r[a]);return o}({1:[function(t,n){var e=t("./web3"),r=t("./utils"),o=t("./types"),i=t("./const"),a=t("./formatters"),u=function(t){console.error("parser does not support type: "+t)},f=function(t){return"[]"===t.slice(-2)},s=function(t,n){return f(t)||"string"===t?a.formatInputInt(n.length):""},c=o.inputTypes(),l=function(t,n){{var e="";2*i.ETH_PADDING}return t.forEach(function(t,r){e+=s(t.type,n[r])}),t.forEach(function(r,o){for(var i=!1,a=0;a<c.length&&!i;a++)i=c[a].type(t[o].type,n[o]);i||u(t[o].type);var s=c[a-1].format,l="";l=f(t[o].type)?n[o].reduce(function(t,n){return t+s(n)},""):s(n[o]),e+=l}),e},p=function(t){return f(t)||"string"===t?2*i.ETH_PADDING:0},m=o.outputTypes(),h=function(t,n){n=n.slice(2);var e=[],r=2*i.ETH_PADDING,s=t.reduce(function(t,n){return t+p(n.type)},0),c=n.slice(0,s);return n=n.slice(s),t.forEach(function(i,s){for(var l=!1,p=0;p<m.length&&!l;p++)l=m[p].type(t[s].type);l||u(t[s].type);var h=m[p-1].format;if(f(t[s].type)){var d=a.formatOutputUInt(c.slice(0,r));c=c.slice(r);for(var g=[],v=0;d>v;v++)g.push(h(n.slice(0,r))),n=n.slice(r);e.push(g)}else o.prefixedType("string")(t[s].type)?(c=c.slice(r),e.push(h(n.slice(0,r))),n=n.slice(r)):(e.push(h(n.slice(0,r))),n=n.slice(r))}),e},d=function(t){var n={};return t.forEach(function(t){var e=r.extractDisplayName(t.name),o=r.extractTypeName(t.name),i=function(){var n=Array.prototype.slice.call(arguments);return l(t.inputs,n)};void 0===n[e]&&(n[e]=i),n[e][o]=i}),n},g=function(t){var n={};return t.forEach(function(t){var e=r.extractDisplayName(t.name),o=r.extractTypeName(t.name),i=function(n){return h(t.outputs,n)};void 0===n[e]&&(n[e]=i),n[e][o]=i}),n},v=function(t){return e.sha3(e.fromAscii(t)).slice(0,2+2*i.ETH_SIGNATURE_LENGTH)},y=function(t){return e.sha3(e.fromAscii(t))};n.exports={inputParser:d,outputParser:g,formatInput:l,formatOutput:h,signatureFromAscii:v,eventSignatureFromAscii:y}},{"./const":2,"./formatters":8,"./types":14,"./utils":15,"./web3":17}],2:[function(t,n){var e=["wei","Kwei","Mwei","Gwei","szabo","finney","ether","grand","Mether","Gether","Tether","Pether","Eether","Zether","Yether","Nether","Dether","Vether","Uether"];n.exports={ETH_PADDING:32,ETH_SIGNATURE_LENGTH:4,ETH_UNITS:e,ETH_BIGNUMBER_ROUNDING_MODE:{ROUNDING_MODE:BigNumber.ROUND_DOWN},ETH_POLLING_TIMEOUT:1e3}},{}],3:[function(t,n){var e=t("./web3"),r=t("./abi"),o=t("./utils"),i=t("./event"),a=(t("./filter"),function(t){e._currentContractAbi=t.abi,e._currentContractAddress=t.address,e._currentContractMethodName=t.method,e._currentContractMethodParams=t.params}),u=function(t){t.call=function(n){return t._isTransact=!1,t._options=n,t},t.transact=function(n){return t._isTransact=!0,t._options=n,t},t._options={},["gas","gasPrice","value","from"].forEach(function(n){t[n]=function(e){return t._options[n]=e,t}})},f=function(t,n,i){var u=r.inputParser(n),f=r.outputParser(n);o.filterFunctions(n).forEach(function(s){var c=o.extractDisplayName(s.name),l=o.extractTypeName(s.name),p=function(){var o=Array.prototype.slice.call(arguments),p=r.signatureFromAscii(s.name),m=u[c][l].apply(null,o),h=t._options||{};h.to=i,h.data=p+m;var d=t._isTransact===!0||t._isTransact!==!1&&!s.constant,g=h.collapse!==!1;if(t._options={},t._isTransact=null,d)return a({abi:n,address:i,method:s.name,params:o}),void e.eth.transact(h);var v=e.eth.call(h),y=f[c][l](v);return g&&(1===y.length?y=y[0]:0===y.length&&(y=null)),y};void 0===t[c]&&(t[c]=p),t[c][l]=p})},s=function(t,n,e){t.address=e,t._onWatchEventResult=function(t){var e=event.getMatchingEvent(o.filterEvents(n)),r=i.outputParser(e);return r(t)},Object.defineProperty(t,"topic",{get:function(){return o.filterEvents(n).map(function(t){return r.eventSignatureFromAscii(t.name)})}})},c=function(t,n,a){o.filterEvents(n).forEach(function(n){var u=function(){var t=Array.prototype.slice.call(arguments),o=r.eventSignatureFromAscii(n.name),u=i.inputParser(a,o,n),f=u.apply(null,t),s=function(t){var e=i.outputParser(n);return e(t)};return e.eth.watch(f,void 0,void 0,s)};u._isEvent=!0;var f=o.extractDisplayName(n.name),s=o.extractTypeName(n.name);void 0===t[f]&&(t[f]=u),t[f][s]=u})},l=function(t,n){n.forEach(function(t){if(-1===t.name.indexOf("(")){var n=t.name,e=t.inputs.map(function(t){return t.type}).join();t.name=n+"("+e+")"}});var e={};return u(e),f(e,n,t),s(e,n,t),c(e,n,t),e};n.exports=l},{"./abi":1,"./event":6,"./filter":7,"./utils":15,"./web3":17}],4:[function(t,n){var e=function(){return[{name:"put",call:"db_put"},{name:"get",call:"db_get"},{name:"putString",call:"db_putString"},{name:"getString",call:"db_getString"}]};n.exports={methods:e}},{}],5:[function(t,n){var e=function(){var t=function(t){return"string"==typeof t[0]?"eth_blockByHash":"eth_blockByNumber"},n=function(t){return"string"==typeof t[0]?"eth_transactionByHash":"eth_transactionByNumber"},e=function(t){return"string"==typeof t[0]?"eth_uncleByHash":"eth_uncleByNumber"};return[{name:"balanceAt",call:"eth_balanceAt"},{name:"stateAt",call:"eth_stateAt"},{name:"storageAt",call:"eth_storageAt"},{name:"countAt",call:"eth_countAt"},{name:"codeAt",call:"eth_codeAt"},{name:"transact",call:"eth_transact"},{name:"call",call:"eth_call"},{name:"block",call:t},{name:"transaction",call:n},{name:"uncle",call:e},{name:"compilers",call:"eth_compilers"},{name:"flush",call:"eth_flush"},{name:"lll",call:"eth_lll"},{name:"solidity",call:"eth_solidity"},{name:"serpent",call:"eth_serpent"},{name:"logs",call:"eth_logs"}]},r=function(){return[{name:"coinbase",getter:"eth_coinbase",setter:"eth_setCoinbase"},{name:"listening",getter:"eth_listening",setter:"eth_setListening"},{name:"mining",getter:"eth_mining",setter:"eth_setMining"},{name:"gasPrice",getter:"eth_gasPrice"},{name:"accounts",getter:"eth_accounts"},{name:"peerCount",getter:"eth_peerCount"},{name:"defaultBlock",getter:"eth_defaultBlock",setter:"eth_setDefaultBlock"},{name:"number",getter:"eth_number"}]};n.exports={methods:e,properties:r}},{}],6:[function(t,n){var e=t("./abi"),r=t("./utils"),o=function(t,n){return t.filter(function(t){return t.indexed===n})},i=function(t,n){var e=r.findIndex(t,function(t){return t.name===n});return-1===e?void console.error("indexed param with name "+n+" not found"):t[e]},a=function(t,n){return Object.keys(n).map(function(r){var a=[i(o(t.inputs,!0),r)],u=n[r];return u instanceof Array?u.map(function(t){return e.formatInput(a,[t])}):e.formatInput(a,[u])})},u=function(t,n,e){return function(r,o){var i=o||{};return i.address=t,i.topic=[],i.topic.push(n),r&&(i.topic=i.topic.concat(a(e,r))),i}},f=function(t,n,e){n.slice(),e.slice();return t.reduce(function(t,r){var o;return o=r.indexed?n.splice(0,1)[0]:e.splice(0,1)[0],t[r.name]=o,t},{})},s=function(t){return function(n){var i={event:r.extractDisplayName(t.name),number:n.number,args:{}};if(!n.topic)return i;var a=o(t.inputs,!0),u="0x"+n.topic.slice(1,n.topic.length).map(function(t){return t.slice(2)}).join(""),s=e.formatOutput(a,u),c=o(t.inputs,!1),l=e.formatOutput(c,n.data);return i.args=f(t.inputs,s,l),i}},c=function(t,n){for(var r=0;r<t.length;r++){var o=e.eventSignatureFromAscii(t[r].name);if(o===n.topic[0])return t[r]}return void 0};n.exports={inputParser:u,outputParser:s,getMatchingEvent:c}},{"./abi":1,"./utils":15}],7:[function(t,n){var e=function(t){return!!t&&"function"==typeof t.newFilter&&"function"==typeof t.getMessages&&"function"==typeof t.uninstallFilter&&"function"==typeof t.startPolling&&"function"==typeof t.stopPolling},r=function(t){return"string"==typeof t?t:(t=t||{},t.topics&&console.warn('"topics" is deprecated, is "topic" instead'),{to:t.to,topic:t.topic,earliest:t.earliest,latest:t.latest,max:t.max,skip:t.skip,address:t.address})},o=function(t,n,o){if(!e(n))return void console.error("filter implemenation is invalid");t=r(t);var i=[],a=n.newFilter(t),u=function(t){t.forEach(function(n){t=o?o(n):n,i.forEach(function(t){t(n)})})};n.startPolling(a,u,n.uninstallFilter);var f=function(t){i.push(t)},s=function(){return n.getMessages(a)},c=function(){n.stopPolling(a),n.uninstallFilter(a),i=[]};return{changed:f,arrived:f,happened:f,messages:s,logs:s,uninstall:c}};n.exports=o},{}],8:[function(t,n){var e=t("./utils"),r=t("./const"),o=function(t,n,e){return new Array(n-t.length+1).join(e?e:"0")+t},i=function(t){var n=2*r.ETH_PADDING;return t instanceof BigNumber||"number"==typeof t?("number"==typeof t&&(t=new BigNumber(t)),BigNumber.config(r.ETH_BIGNUMBER_ROUNDING_MODE),t=t.round(),t.lessThan(0)&&(t=new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16).plus(t).plus(1)),t=t.toString(16)):t=0===t.indexOf("0x")?t.substr(2):"string"==typeof t?i(new BigNumber(t)):(+t).toString(16),o(t,n)},a=function(t){return e.fromAscii(t,r.ETH_PADDING).substr(2)},u=function(t){return"000000000000000000000000000000000000000000000000000000000000000"+(t?"1":"0")},f=function(t){return i(new BigNumber(t).times(new BigNumber(2).pow(128)))},s=function(t){return"1"===new BigNumber(t.substr(0,1),16).toString(2).substr(0,1)},c=function(t){return t=t||"0",s(t)?new BigNumber(t,16).minus(new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16)).minus(1):new BigNumber(t,16)},l=function(t){return t=t||"0",new BigNumber(t,16)},p=function(t){return c(t).dividedBy(new BigNumber(2).pow(128))},m=function(t){return l(t).dividedBy(new BigNumber(2).pow(128))},h=function(t){return"0x"+t},d=function(t){return"0000000000000000000000000000000000000000000000000000000000000001"===t?!0:!1},g=function(t){return e.toAscii(t)},v=function(t){return"0x"+t.slice(t.length-40,t.length)};n.exports={formatInputInt:i,formatInputString:a,formatInputBool:u,formatInputReal:f,formatOutputInt:c,formatOutputUInt:l,formatOutputReal:p,formatOutputUReal:m,formatOutputHash:h,formatOutputBool:d,formatOutputString:g,formatOutputAddress:v}},{"./const":2,"./utils":15}],9:[function(t,n){var e=function(t){this.handlers=[],this.host=t||"http://localhost:8080"};e.prototype.send=function(t){var n=new XMLHttpRequest;n.open("POST",this.host,!1),n.send(JSON.stringify(t));var e=n.responseText;return JSON.parse(e)},n.exports=e},{}],10:[function(t,n){var e=1,r=function(t,n){return t||console.error("jsonrpc method should be specified!"),{jsonrpc:"2.0",method:t,params:n||[],id:e++}},o=function(t){return!!t&&!t.error&&"2.0"===t.jsonrpc&&"number"==typeof t.id&&void 0!==t.result},i=function(t){return t.map(function(t){return r(t.method,t.params)})};n.exports={toPayload:r,isValidResponse:o,toBatchPayload:i}},{}],11:[function(t,n){var e=function(){};e.prototype.send=function(t){var n=navigator.qt.callMethod(JSON.stringify(t));return JSON.parse(n)},n.exports=e},{}],12:[function(t,n){var e=t("./jsonrpc"),r=t("./const"),o=function(){var t,n=[],o=function(n){var r=e.toPayload(n.method,n.params);if(!t)return console.error("provider is not set"),null;var o=t.send(r);return e.isValidResponse(o)?o.result:(console.log(o),null)},i=function(n){t=n},a=function(t,e,r,o){n.push({data:t,id:e,callback:r,uninstall:o})},u=function(t){for(var e=n.length;e--;){var r=n[e];r.id===t&&n.splice(e,1)}},f=function(){n.forEach(function(t){t.uninstall(t.id)}),n=[]},s=function(){n.forEach(function(t){var n=o(t.data);n instanceof Array&&0!==n.length&&t.callback(n)}),setTimeout(s,r.ETH_POLLING_TIMEOUT)};return s(),{send:o,setProvider:i,startPolling:a,stopPolling:u,reset:f}};n.exports=o},{"./const":2,"./jsonrpc":10}],13:[function(t,n){var e=function(){return[{name:"post",call:"shh_post"},{name:"newIdentity",call:"shh_newIdentity"},{name:"haveIdentity",call:"shh_haveIdentity"},{name:"newGroup",call:"shh_newGroup"},{name:"addToGroup",call:"shh_addToGroup"}]};n.exports={methods:e}},{}],14:[function(t,n){var e=t("./formatters"),r=function(t){return function(n){return 0===n.indexOf(t)}},o=function(t){return function(n){return t===n}},i=function(){return[{type:r("uint"),format:e.formatInputInt},{type:r("int"),format:e.formatInputInt},{type:r("hash"),format:e.formatInputInt},{type:r("string"),format:e.formatInputString},{type:r("real"),format:e.formatInputReal},{type:r("ureal"),format:e.formatInputReal},{type:o("address"),format:e.formatInputInt},{type:o("bool"),format:e.formatInputBool}]},a=function(){return[{type:r("uint"),format:e.formatOutputUInt},{type:r("int"),format:e.formatOutputInt},{type:r("hash"),format:e.formatOutputHash},{type:r("string"),format:e.formatOutputString},{type:r("real"),format:e.formatOutputReal},{type:r("ureal"),format:e.formatOutputUReal},{type:o("address"),format:e.formatOutputAddress},{type:o("bool"),format:e.formatOutputBool}]};n.exports={prefixedType:r,namedType:o,inputTypes:i,outputTypes:a}},{"./formatters":8}],15:[function(t,n){var e=t("./const"),r=function(t,n){for(var e=!1,r=0;r<t.length&&!e;r++)e=n(t[r]);return e?r-1:-1},o=function(t){var n="",e=0,r=t.length;for("0x"===t.substring(0,2)&&(e=2);r>e;e+=2){var o=parseInt(t.substr(e,2),16);if(0===o)break;n+=String.fromCharCode(o)}return n},i=function(t){for(var n="",e=0;e<t.length;e++){var r=t.charCodeAt(e).toString(16);n+=r.length<2?"0"+r:r}return n},a=function(t,n){n=void 0===n?0:n;for(var e=i(t);e.length<2*n;)e+="00";return"0x"+e},u=function(t){var n=t.indexOf("(");return-1!==n?t.substr(0,n):t},f=function(t){var n=t.indexOf("(");return-1!==n?t.substr(n+1,t.length-1-(n+1)).replace(" ",""):""},s=function(t){return t.filter(function(t){return"function"===t.type})},c=function(t){return t.filter(function(t){return"event"===t.type})},l=function(t){for(var n="string"==typeof t?0===t.indexOf("0x")?parseInt(t.substr(2),16):parseInt(t):t,r=0,o=e.ETH_UNITS;n>3e3&&r<o.length-1;)n/=1e3,r++;for(var i=n.toString().length<n.toFixed(2).length?n.toString():n.toFixed(2),a=function(t,n,e){return n+","+e};;){var u=i;if(i=i.replace(/(\d)(\d\d\d[\.\,])/,a),u===i)break}return i+" "+o[r]};n.exports={findIndex:r,toAscii:o,fromAscii:a,extractDisplayName:u,extractTypeName:f,filterFunctions:s,filterEvents:c,toEth:l}},{"./const":2}],16:[function(t,n){var e=function(){var t=function(t){return"string"==typeof t[0]?"eth_newFilterString":"eth_newFilter"};return[{name:"newFilter",call:t},{name:"uninstallFilter",call:"eth_uninstallFilter"},{name:"getMessages",call:"eth_filterLogs"}]},r=function(){return[{name:"newFilter",call:"shh_newFilter"},{name:"uninstallFilter",call:"shh_uninstallFilter"},{name:"getMessages",call:"shh_getMessages"}]};n.exports={eth:e,shh:r}},{}],17:[function(t,n){var e=t("./eth"),r=t("./db"),o=t("./shh"),i=t("./watches"),a=t("./filter"),u=t("./utils"),f=t("./requestmanager"),s=function(){return[{name:"sha3",call:"web3_sha3"}]},c=function(t,n){n.forEach(function(n){t[n.name]=function(){var t=Array.prototype.slice.call(arguments),e="function"==typeof n.call?n.call(t):n.call;return g.manager.send({method:e,params:t})}})},l=function(t,n){n.forEach(function(n){var e={};e.get=function(){return g.manager.send({method:n.getter})},n.setter&&(e.set=function(t){return g.manager.send({method:n.setter,params:[t]})}),Object.defineProperty(t,n.name,e)})},p=function(t,n,e,r){g.manager.startPolling({method:t,params:[n]},n,e,r)},m=function(t){g.manager.stopPolling(t)},h={startPolling:p.bind(null,"eth_changed"),stopPolling:m},d={startPolling:p.bind(null,"shh_changed"),stopPolling:m},g={manager:f(),providers:{},toAscii:u.toAscii,fromAscii:u.fromAscii,toDecimal:function(t){return t=t.length>2?t.substring(2):"0",new BigNumber(t,16).toString(10)},fromDecimal:function(t){return"0x"+new BigNumber(t).toString(16)},toEth:u.toEth,eth:{contractFromAbi:function(t){return function(n){n=n||"0xc6d9d2cd449a754c494264e1809c50e34d64562b";var e=g.eth.contract(n,t);return e.address=n,e}},watch:function(t,n,e,r){return t._isEvent?t(n,e):a(t,h,r)}},db:{},shh:{watch:function(t){return a(t,d)}},setProvider:function(t){g.manager.setProvider(t)},reset:function(){g.manager.reset()}};c(g,s()),c(g.eth,e.methods()),l(g.eth,e.properties()),c(g.db,r.methods()),c(g.shh,o.methods()),c(h,i.eth()),c(d,i.shh()),n.exports=g},{"./db":4,"./eth":5,"./filter":7,"./requestmanager":12,"./shh":13,"./utils":15,"./watches":16}],web3:[function(t,n){var e=t("./lib/web3");e.providers.HttpSyncProvider=t("./lib/httpsync"),e.providers.QtSyncProvider=t("./lib/qtsync"),e.eth.contract=t("./lib/contract"),e.abi=t("./lib/abi"),n.exports=e},{"./lib/abi":1,"./lib/contract":3,"./lib/httpsync":9,"./lib/qtsync":11,"./lib/web3":17}]},{},["web3"]);
\ No newline at end of file
+require=function t(n,e,r){function o(a,u){if(!e[a]){if(!n[a]){var f="function"==typeof require&&require;if(!u&&f)return f(a,!0);if(i)return i(a,!0);var s=new Error("Cannot find module '"+a+"'");throw s.code="MODULE_NOT_FOUND",s}var c=e[a]={exports:{}};n[a][0].call(c.exports,function(t){var e=n[a][1][t];return o(e?e:t)},c,c.exports,t,n,e,r)}return e[a].exports}for(var i="function"==typeof require&&require,a=0;a<r.length;a++)o(r[a]);return o}({1:[function(t,n){var e=t("./web3"),r=t("./utils"),o=t("./types"),i=t("./const"),a=t("./formatters"),u=function(t){console.error("parser does not support type: "+t)},f=function(t){return"[]"===t.slice(-2)},s=function(t,n){return f(t)||"string"===t?a.formatInputInt(n.length):""},c=o.inputTypes(),l=function(t,n){{var e="";2*i.ETH_PADDING}return t.forEach(function(t,r){e+=s(t.type,n[r])}),t.forEach(function(r,o){for(var i=!1,a=0;a<c.length&&!i;a++)i=c[a].type(t[o].type,n[o]);i||u(t[o].type);var s=c[a-1].format,l="";l=f(t[o].type)?n[o].reduce(function(t,n){return t+s(n)},""):s(n[o]),e+=l}),e},p=function(t){return f(t)||"string"===t?2*i.ETH_PADDING:0},m=o.outputTypes(),h=function(t,n){n=n.slice(2);var e=[],r=2*i.ETH_PADDING,s=t.reduce(function(t,n){return t+p(n.type)},0),c=n.slice(0,s);return n=n.slice(s),t.forEach(function(i,s){for(var l=!1,p=0;p<m.length&&!l;p++)l=m[p].type(t[s].type);l||u(t[s].type);var h=m[p-1].format;if(f(t[s].type)){var d=a.formatOutputUInt(c.slice(0,r));c=c.slice(r);for(var g=[],v=0;d>v;v++)g.push(h(n.slice(0,r))),n=n.slice(r);e.push(g)}else o.prefixedType("string")(t[s].type)?(c=c.slice(r),e.push(h(n.slice(0,r))),n=n.slice(r)):(e.push(h(n.slice(0,r))),n=n.slice(r))}),e},d=function(t){var n={};return t.forEach(function(t){var e=r.extractDisplayName(t.name),o=r.extractTypeName(t.name),i=function(){var n=Array.prototype.slice.call(arguments);return l(t.inputs,n)};void 0===n[e]&&(n[e]=i),n[e][o]=i}),n},g=function(t){var n={};return t.forEach(function(t){var e=r.extractDisplayName(t.name),o=r.extractTypeName(t.name),i=function(n){return h(t.outputs,n)};void 0===n[e]&&(n[e]=i),n[e][o]=i}),n},v=function(t){return e.sha3(e.fromAscii(t)).slice(0,2+2*i.ETH_SIGNATURE_LENGTH)},y=function(t){return e.sha3(e.fromAscii(t))};n.exports={inputParser:d,outputParser:g,formatInput:l,formatOutput:h,signatureFromAscii:v,eventSignatureFromAscii:y}},{"./const":2,"./formatters":8,"./types":14,"./utils":15,"./web3":17}],2:[function(t,n){var e=["wei","Kwei","Mwei","Gwei","szabo","finney","ether","grand","Mether","Gether","Tether","Pether","Eether","Zether","Yether","Nether","Dether","Vether","Uether"];n.exports={ETH_PADDING:32,ETH_SIGNATURE_LENGTH:4,ETH_UNITS:e,ETH_BIGNUMBER_ROUNDING_MODE:{ROUNDING_MODE:BigNumber.ROUND_DOWN},ETH_POLLING_TIMEOUT:1e3}},{}],3:[function(t,n){var e=t("./web3"),r=t("./abi"),o=t("./utils"),i=t("./event"),a=(t("./filter"),function(t){e._currentContractAbi=t.abi,e._currentContractAddress=t.address,e._currentContractMethodName=t.method,e._currentContractMethodParams=t.params}),u=function(t){t.call=function(n){return t._isTransact=!1,t._options=n,t},t.transact=function(n){return t._isTransact=!0,t._options=n,t},t._options={},["gas","gasPrice","value","from"].forEach(function(n){t[n]=function(e){return t._options[n]=e,t}})},f=function(t,n,i){var u=r.inputParser(n),f=r.outputParser(n);o.filterFunctions(n).forEach(function(s){var c=o.extractDisplayName(s.name),l=o.extractTypeName(s.name),p=function(){var o=Array.prototype.slice.call(arguments),p=r.signatureFromAscii(s.name),m=u[c][l].apply(null,o),h=t._options||{};h.to=i,h.data=p+m;var d=t._isTransact===!0||t._isTransact!==!1&&!s.constant,g=h.collapse!==!1;if(t._options={},t._isTransact=null,d)return a({abi:n,address:i,method:s.name,params:o}),void e.eth.transact(h);var v=e.eth.call(h),y=f[c][l](v);return g&&(1===y.length?y=y[0]:0===y.length&&(y=null)),y};void 0===t[c]&&(t[c]=p),t[c][l]=p})},s=function(t,n,e){t.address=e,t._onWatchEventResult=function(t){var e=event.getMatchingEvent(o.filterEvents(n)),r=i.outputParser(e);return r(t)},Object.defineProperty(t,"topic",{get:function(){return o.filterEvents(n).map(function(t){return r.eventSignatureFromAscii(t.name)})}})},c=function(t,n,a){o.filterEvents(n).forEach(function(n){var u=function(){var t=Array.prototype.slice.call(arguments),o=r.eventSignatureFromAscii(n.name),u=i.inputParser(a,o,n),f=u.apply(null,t),s=function(t){var e=i.outputParser(n);return e(t)};return e.eth.watch(f,void 0,void 0,s)};u._isEvent=!0;var f=o.extractDisplayName(n.name),s=o.extractTypeName(n.name);void 0===t[f]&&(t[f]=u),t[f][s]=u})},l=function(t,n){n.forEach(function(t){if(-1===t.name.indexOf("(")){var n=t.name,e=t.inputs.map(function(t){return t.type}).join();t.name=n+"("+e+")"}});var e={};return u(e),f(e,n,t),s(e,n,t),c(e,n,t),e};n.exports=l},{"./abi":1,"./event":6,"./filter":7,"./utils":15,"./web3":17}],4:[function(t,n){var e=function(){return[{name:"put",call:"db_put"},{name:"get",call:"db_get"},{name:"putString",call:"db_putString"},{name:"getString",call:"db_getString"}]};n.exports={methods:e}},{}],5:[function(t,n){var e=function(){var t=function(t){return"string"==typeof t[0]?"eth_blockByHash":"eth_blockByNumber"},n=function(t){return"string"==typeof t[0]?"eth_transactionByHash":"eth_transactionByNumber"},e=function(t){return"string"==typeof t[0]?"eth_uncleByHash":"eth_uncleByNumber"};return[{name:"balanceAt",call:"eth_balanceAt"},{name:"stateAt",call:"eth_stateAt"},{name:"storageAt",call:"eth_storageAt"},{name:"countAt",call:"eth_countAt"},{name:"codeAt",call:"eth_codeAt"},{name:"transact",call:"eth_transact"},{name:"call",call:"eth_call"},{name:"block",call:t},{name:"transaction",call:n},{name:"uncle",call:e},{name:"compilers",call:"eth_compilers"},{name:"flush",call:"eth_flush"},{name:"lll",call:"eth_lll"},{name:"solidity",call:"eth_solidity"},{name:"serpent",call:"eth_serpent"},{name:"logs",call:"eth_logs"}]},r=function(){return[{name:"coinbase",getter:"eth_coinbase",setter:"eth_setCoinbase"},{name:"listening",getter:"eth_listening",setter:"eth_setListening"},{name:"mining",getter:"eth_mining",setter:"eth_setMining"},{name:"gasPrice",getter:"eth_gasPrice"},{name:"accounts",getter:"eth_accounts"},{name:"peerCount",getter:"eth_peerCount"},{name:"defaultBlock",getter:"eth_defaultBlock",setter:"eth_setDefaultBlock"},{name:"number",getter:"eth_number"}]};n.exports={methods:e,properties:r}},{}],6:[function(t,n){var e=t("./abi"),r=t("./utils"),o=function(t,n){return t.filter(function(t){return t.indexed===n})},i=function(t,n){var e=r.findIndex(t,function(t){return t.name===n});return-1===e?void console.error("indexed param with name "+n+" not found"):t[e]},a=function(t,n){return Object.keys(n).map(function(r){var a=[i(o(t.inputs,!0),r)],u=n[r];return u instanceof Array?u.map(function(t){return e.formatInput(a,[t])}):e.formatInput(a,[u])})},u=function(t,n,e){return function(r,o){var i=o||{};return i.address=t,i.topic=[],i.topic.push(n),r&&(i.topic=i.topic.concat(a(e,r))),i}},f=function(t,n,e){n.slice(),e.slice();return t.reduce(function(t,r){var o;return o=r.indexed?n.splice(0,1)[0]:e.splice(0,1)[0],t[r.name]=o,t},{})},s=function(t){return function(n){var i={event:r.extractDisplayName(t.name),number:n.number,args:{}};if(!n.topic)return i;var a=o(t.inputs,!0),u="0x"+n.topic.slice(1,n.topic.length).map(function(t){return t.slice(2)}).join(""),s=e.formatOutput(a,u),c=o(t.inputs,!1),l=e.formatOutput(c,n.data);return i.args=f(t.inputs,s,l),i}},c=function(t,n){for(var r=0;r<t.length;r++){var o=e.eventSignatureFromAscii(t[r].name);if(o===n.topic[0])return t[r]}return void 0};n.exports={inputParser:u,outputParser:s,getMatchingEvent:c}},{"./abi":1,"./utils":15}],7:[function(t,n){var e=function(t){return!!t&&"function"==typeof t.newFilter&&"function"==typeof t.getMessages&&"function"==typeof t.uninstallFilter&&"function"==typeof t.startPolling&&"function"==typeof t.stopPolling},r=function(t){return"string"==typeof t?t:(t=t||{},t.topics&&console.warn('"topics" is deprecated, is "topic" instead'),{to:t.to,topic:t.topic,earliest:t.earliest,latest:t.latest,max:t.max,skip:t.skip,address:t.address})},o=function(t,n,o){if(!e(n))return void console.error("filter implemenation is invalid");t=r(t);var i=[],a=n.newFilter(t),u=function(t){t.forEach(function(n){t=o?o(n):n,i.forEach(function(t){t(n)})})};n.startPolling(a,u,n.uninstallFilter);var f=function(t){i.push(t)},s=function(){return n.getMessages(a)},c=function(){n.stopPolling(a),n.uninstallFilter(a),i=[]};return{changed:f,arrived:f,happened:f,messages:s,logs:s,uninstall:c}};n.exports=o},{}],8:[function(t,n){var e=t("./utils"),r=t("./const"),o=function(t,n,e){return new Array(n-t.length+1).join(e?e:"0")+t},i=function(t){var n=2*r.ETH_PADDING;return t instanceof BigNumber||"number"==typeof t?("number"==typeof t&&(t=new BigNumber(t)),BigNumber.config(r.ETH_BIGNUMBER_ROUNDING_MODE),t=t.round(),t.lessThan(0)&&(t=new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16).plus(t).plus(1)),t=t.toString(16)):t=0===t.indexOf("0x")?t.substr(2):"string"==typeof t?i(new BigNumber(t)):(+t).toString(16),o(t,n)},a=function(t){return e.fromAscii(t,r.ETH_PADDING).substr(2)},u=function(t){return"000000000000000000000000000000000000000000000000000000000000000"+(t?"1":"0")},f=function(t){return i(new BigNumber(t).times(new BigNumber(2).pow(128)))},s=function(t){return"1"===new BigNumber(t.substr(0,1),16).toString(2).substr(0,1)},c=function(t){return t=t||"0",s(t)?new BigNumber(t,16).minus(new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16)).minus(1):new BigNumber(t,16)},l=function(t){return t=t||"0",new BigNumber(t,16)},p=function(t){return c(t).dividedBy(new BigNumber(2).pow(128))},m=function(t){return l(t).dividedBy(new BigNumber(2).pow(128))},h=function(t){return"0x"+t},d=function(t){return"0000000000000000000000000000000000000000000000000000000000000001"===t?!0:!1},g=function(t){return e.toAscii(t)},v=function(t){return"0x"+t.slice(t.length-40,t.length)};n.exports={formatInputInt:i,formatInputString:a,formatInputBool:u,formatInputReal:f,formatOutputInt:c,formatOutputUInt:l,formatOutputReal:p,formatOutputUReal:m,formatOutputHash:h,formatOutputBool:d,formatOutputString:g,formatOutputAddress:v}},{"./const":2,"./utils":15}],9:[function(t,n){var e=function(t){this.handlers=[],this.host=t||"http://localhost:8080"};e.prototype.send=function(t){var n=new XMLHttpRequest;n.open("POST",this.host,!1),n.send(JSON.stringify(t));var e=n.responseText;return 200===n.status?JSON.parse(e):void 0},n.exports=e},{}],10:[function(t,n){var e=1,r=function(t,n){return t||console.error("jsonrpc method should be specified!"),{jsonrpc:"2.0",method:t,params:n||[],id:e++}},o=function(t){return!!t&&!t.error&&"2.0"===t.jsonrpc&&"number"==typeof t.id&&void 0!==t.result},i=function(t){return t.map(function(t){return r(t.method,t.params)})};n.exports={toPayload:r,isValidResponse:o,toBatchPayload:i}},{}],11:[function(t,n){var e=function(){};e.prototype.send=function(t){var n=navigator.qt.callMethod(JSON.stringify(t));return JSON.parse(n)},n.exports=e},{}],12:[function(t,n){var e=t("./jsonrpc"),r=t("./const"),o=function(){var t,n=[],o=function(n){var r=e.toPayload(n.method,n.params);if(!t)return console.error("provider is not set"),null;var o=t.send(r);return e.isValidResponse(o)?o.result:(console.log(o),null)},i=function(n){t=n},a=function(t,e,r,o){n.push({data:t,id:e,callback:r,uninstall:o})},u=function(t){for(var e=n.length;e--;){var r=n[e];r.id===t&&n.splice(e,1)}},f=function(){n.forEach(function(t){t.uninstall(t.id)}),n=[]},s=function(){n.forEach(function(t){var n=o(t.data);n instanceof Array&&0!==n.length&&t.callback(n)}),setTimeout(s,r.ETH_POLLING_TIMEOUT)};return s(),{send:o,setProvider:i,startPolling:a,stopPolling:u,reset:f}};n.exports=o},{"./const":2,"./jsonrpc":10}],13:[function(t,n){var e=function(){return[{name:"post",call:"shh_post"},{name:"newIdentity",call:"shh_newIdentity"},{name:"haveIdentity",call:"shh_haveIdentity"},{name:"newGroup",call:"shh_newGroup"},{name:"addToGroup",call:"shh_addToGroup"}]};n.exports={methods:e}},{}],14:[function(t,n){var e=t("./formatters"),r=function(t){return function(n){return 0===n.indexOf(t)}},o=function(t){return function(n){return t===n}},i=function(){return[{type:r("uint"),format:e.formatInputInt},{type:r("int"),format:e.formatInputInt},{type:r("hash"),format:e.formatInputInt},{type:r("string"),format:e.formatInputString},{type:r("real"),format:e.formatInputReal},{type:r("ureal"),format:e.formatInputReal},{type:o("address"),format:e.formatInputInt},{type:o("bool"),format:e.formatInputBool}]},a=function(){return[{type:r("uint"),format:e.formatOutputUInt},{type:r("int"),format:e.formatOutputInt},{type:r("hash"),format:e.formatOutputHash},{type:r("string"),format:e.formatOutputString},{type:r("real"),format:e.formatOutputReal},{type:r("ureal"),format:e.formatOutputUReal},{type:o("address"),format:e.formatOutputAddress},{type:o("bool"),format:e.formatOutputBool}]};n.exports={prefixedType:r,namedType:o,inputTypes:i,outputTypes:a}},{"./formatters":8}],15:[function(t,n){var e=t("./const"),r=function(t,n){for(var e=!1,r=0;r<t.length&&!e;r++)e=n(t[r]);return e?r-1:-1},o=function(t){var n="",e=0,r=t.length;for("0x"===t.substring(0,2)&&(e=2);r>e;e+=2){var o=parseInt(t.substr(e,2),16);if(0===o)break;n+=String.fromCharCode(o)}return n},i=function(t){for(var n="",e=0;e<t.length;e++){var r=t.charCodeAt(e).toString(16);n+=r.length<2?"0"+r:r}return n},a=function(t,n){n=void 0===n?0:n;for(var e=i(t);e.length<2*n;)e+="00";return"0x"+e},u=function(t){var n=t.indexOf("(");return-1!==n?t.substr(0,n):t},f=function(t){var n=t.indexOf("(");return-1!==n?t.substr(n+1,t.length-1-(n+1)).replace(" ",""):""},s=function(t){return t.filter(function(t){return"function"===t.type})},c=function(t){return t.filter(function(t){return"event"===t.type})},l=function(t){for(var n="string"==typeof t?0===t.indexOf("0x")?parseInt(t.substr(2),16):parseInt(t):t,r=0,o=e.ETH_UNITS;n>3e3&&r<o.length-1;)n/=1e3,r++;for(var i=n.toString().length<n.toFixed(2).length?n.toString():n.toFixed(2),a=function(t,n,e){return n+","+e};;){var u=i;if(i=i.replace(/(\d)(\d\d\d[\.\,])/,a),u===i)break}return i+" "+o[r]};n.exports={findIndex:r,toAscii:o,fromAscii:a,extractDisplayName:u,extractTypeName:f,filterFunctions:s,filterEvents:c,toEth:l}},{"./const":2}],16:[function(t,n){var e=function(){var t=function(t){return"string"==typeof t[0]?"eth_newFilterString":"eth_newFilter"};return[{name:"newFilter",call:t},{name:"uninstallFilter",call:"eth_uninstallFilter"},{name:"getMessages",call:"eth_filterLogs"}]},r=function(){return[{name:"newFilter",call:"shh_newFilter"},{name:"uninstallFilter",call:"shh_uninstallFilter"},{name:"getMessages",call:"shh_getMessages"}]};n.exports={eth:e,shh:r}},{}],17:[function(t,n){var e=t("./eth"),r=t("./db"),o=t("./shh"),i=t("./watches"),a=t("./filter"),u=t("./utils"),f=t("./requestmanager"),s=function(){return[{name:"sha3",call:"web3_sha3"}]},c=function(t,n){n.forEach(function(n){t[n.name]=function(){var t=Array.prototype.slice.call(arguments),e="function"==typeof n.call?n.call(t):n.call;return g.manager.send({method:e,params:t})}})},l=function(t,n){n.forEach(function(n){var e={};e.get=function(){return g.manager.send({method:n.getter})},n.setter&&(e.set=function(t){return g.manager.send({method:n.setter,params:[t]})}),Object.defineProperty(t,n.name,e)})},p=function(t,n,e,r){g.manager.startPolling({method:t,params:[n]},n,e,r)},m=function(t){g.manager.stopPolling(t)},h={startPolling:p.bind(null,"eth_changed"),stopPolling:m},d={startPolling:p.bind(null,"shh_changed"),stopPolling:m},g={manager:f(),providers:{},toAscii:u.toAscii,fromAscii:u.fromAscii,toDecimal:function(t){return t=t.length>2?t.substring(2):"0",new BigNumber(t,16).toString(10)},fromDecimal:function(t){return"0x"+new BigNumber(t).toString(16)},toEth:u.toEth,eth:{contractFromAbi:function(t){return function(n){n=n||"0xc6d9d2cd449a754c494264e1809c50e34d64562b";var e=g.eth.contract(n,t);return e.address=n,e}},watch:function(t,n,e,r){return t._isEvent?t(n,e):a(t,h,r)}},db:{},shh:{watch:function(t){return a(t,d)}},setProvider:function(t){g.manager.setProvider(t)},reset:function(){g.manager.reset()}};c(g,s()),c(g.eth,e.methods()),l(g.eth,e.properties()),c(g.db,r.methods()),c(g.shh,o.methods()),c(h,i.eth()),c(d,i.shh()),n.exports=g},{"./db":4,"./eth":5,"./filter":7,"./requestmanager":12,"./shh":13,"./utils":15,"./watches":16}],web3:[function(t,n){var e=t("./lib/web3");e.providers.HttpSyncProvider=t("./lib/httpsync"),e.providers.QtSyncProvider=t("./lib/qtsync"),e.eth.contract=t("./lib/contract"),e.abi=t("./lib/abi"),n.exports=e},{"./lib/abi":1,"./lib/contract":3,"./lib/httpsync":9,"./lib/qtsync":11,"./lib/web3":17}]},{},["web3"]);
\ No newline at end of file
diff --git a/lib/httpsync.js b/lib/httpsync.js
index 06e410c..90f3ee4 100644
--- a/lib/httpsync.js
+++ b/lib/httpsync.js
@@ -32,13 +32,15 @@ var HttpSyncProvider = function (host) {
 
 HttpSyncProvider.prototype.send = function (payload) {
     //var data = formatJsonRpcObject(payload);
-    
+
     var request = new XMLHttpRequest();
     request.open('POST', this.host, false);
     request.send(JSON.stringify(payload));
-    
-    // check request.status
+
     var result = request.responseText;
+    // check request.status
+    if(request.status !== 200)
+        return;
     return JSON.parse(result);
 };