diff --git a/bower.json b/bower.json
index c0fa584..6af2b1c 100644
--- a/bower.json
+++ b/bower.json
@@ -1,7 +1,7 @@
 {
   "name": "web3",
   "namespace": "ethereum",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "Ethereum Compatible JavaScript API",
   "main": [
     "./dist/web3.js",
diff --git a/dist/web3-light.js b/dist/web3-light.js
index d9587db..3dff220 100644
--- a/dist/web3-light.js
+++ b/dist/web3-light.js
@@ -1361,7 +1361,7 @@ module.exports = {
 
 },{"bignumber.js":"bignumber.js"}],9:[function(require,module,exports){
 module.exports={
-    "version": "0.3.0"
+    "version": "0.3.1"
 }
 
 },{}],10:[function(require,module,exports){
diff --git a/dist/web3-light.js.map b/dist/web3-light.js.map
index 3e911e3..2374ae0 100644
--- a/dist/web3-light.js.map
+++ b/dist/web3-light.js.map
@@ -47,7 +47,7 @@
     "'use strict';\n\n// go env doesn't have and need XMLHttpRequest\nif (typeof XMLHttpRequest === 'undefined') {\n    exports.XMLHttpRequest = {};\n} else {\n    exports.XMLHttpRequest = XMLHttpRequest; // jshint ignore:line\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 config.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\n/**\n * Utils\n * \n * @module utils\n */\n\n/**\n * Utility functions\n * \n * @class [utils] config\n * @constructor\n */\n\n/// required to define ETH_BIGNUMBER_ROUNDING_MODE\nvar BigNumber = require('bignumber.js');\n\nvar ETH_UNITS = [ \n    'wei', \n    'Kwei', \n    'Mwei', \n    'Gwei', \n    'szabo', \n    'finney', \n    'ether', \n    'grand', \n    'Mether', \n    'Gether', \n    'Tether', \n    'Pether', \n    'Eether', \n    'Zether', \n    'Yether', \n    'Nether', \n    'Dether', \n    'Vether', \n    'Uether' \n];\n\nmodule.exports = {\n    ETH_PADDING: 32,\n    ETH_SIGNATURE_LENGTH: 4,\n    ETH_UNITS: ETH_UNITS,\n    ETH_BIGNUMBER_ROUNDING_MODE: { ROUNDING_MODE: BigNumber.ROUND_DOWN },\n    ETH_POLLING_TIMEOUT: 1000,\n    defaultBlock: 'latest',\n    defaultAccount: undefined\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/** \n * @file utils.js\n * @author Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\n/**\n * Utils\n * \n * @module utils\n */\n\n/**\n * Utility functions\n * \n * @class [utils] utils\n * @constructor\n */\n\nvar BigNumber = require('bignumber.js');\n\nvar unitMap = {\n    'wei':      '1',\n    'kwei':     '1000',\n    'ada':      '1000',\n    'mwei':     '1000000',\n    'babbage':  '1000000',\n    'gwei':     '1000000000',\n    'shannon':  '1000000000',\n    'szabo':    '1000000000000',\n    'finney':   '1000000000000000',\n    'ether':    '1000000000000000000',\n    'kether':   '1000000000000000000000',\n    'grand':    '1000000000000000000000',\n    'einstein': '1000000000000000000000',\n    'mether':   '1000000000000000000000000',\n    'gether':   '1000000000000000000000000000',\n    'tether':   '1000000000000000000000000000000'\n};\n\n/**\n * Should be called to pad string to expected length\n *\n * @method padLeft\n * @param {String} string to be padded\n * @param {Number} characters that result string should have\n * @param {String} sign, by default 0\n * @returns {String} right aligned string\n */\nvar padLeft = function (string, chars, sign) {\n    return new Array(chars - string.length + 1).join(sign ? sign : \"0\") + string;\n};\n\n/** \n * Should be called to get sting from it's hex representation\n *\n * @method toAscii\n * @param {String} string in hex\n * @returns {String} ascii string representation of hex value\n */\nvar toAscii = function(hex) {\n// Find termination\n    var str = \"\";\n    var i = 0, l = hex.length;\n    if (hex.substring(0, 2) === '0x') {\n        i = 2;\n    }\n    for (; i < l; i+=2) {\n        var code = parseInt(hex.substr(i, 2), 16);\n        if (code === 0) {\n            break;\n        }\n\n        str += String.fromCharCode(code);\n    }\n\n    return str;\n};\n    \n/**\n * Shold be called to get hex representation (prefixed by 0x) of ascii string \n *\n * @method toHexNative\n * @param {String} string\n * @returns {String} hex representation of input string\n */\nvar toHexNative = function(str) {\n    var hex = \"\";\n    for(var i = 0; i < str.length; i++) {\n        var n = str.charCodeAt(i).toString(16);\n        hex += n.length < 2 ? '0' + n : n;\n    }\n\n    return hex;\n};\n\n/**\n * Shold be called to get hex representation (prefixed by 0x) of ascii string \n *\n * @method fromAscii\n * @param {String} string\n * @param {Number} optional padding\n * @returns {String} hex representation of input string\n */\nvar fromAscii = function(str, pad) {\n    pad = pad === undefined ? 0 : pad;\n    var hex = toHexNative(str);\n    while (hex.length < pad*2)\n        hex += \"00\";\n    return \"0x\" + hex;\n};\n\n/**\n * Should be used to create full function/event name from json abi\n *\n * @method transformToFullName\n * @param {Object} json-abi\n * @return {String} full fnction/event name\n */\nvar transformToFullName = function (json) {\n    if (json.name.indexOf('(') !== -1) {\n        return json.name;\n    }\n\n    var typeName = json.inputs.map(function(i){return i.type; }).join();\n    return json.name + '(' + typeName + ')';\n};\n\n/**\n * Should be called to get display name of contract function\n * \n * @method extractDisplayName\n * @param {String} name of function/event\n * @returns {String} display name for function/event eg. multiply(uint256) -> multiply\n */\nvar extractDisplayName = function (name) {\n    var length = name.indexOf('('); \n    return length !== -1 ? name.substr(0, length) : name;\n};\n\n/// @returns overloaded part of function/event name\nvar extractTypeName = function (name) {\n    /// TODO: make it invulnerable\n    var length = name.indexOf('(');\n    return length !== -1 ? name.substr(length + 1, name.length - 1 - (length + 1)).replace(' ', '') : \"\";\n};\n\n/**\n * Converts value to it's decimal representation in string\n *\n * @method toDecimal\n * @param {String|Number|BigNumber}\n * @return {String}\n */\nvar toDecimal = function (value) {\n    return toBigNumber(value).toNumber();\n};\n\n/**\n * Converts value to it's hex representation\n *\n * @method fromDecimal\n * @param {String|Number|BigNumber}\n * @return {String}\n */\nvar fromDecimal = function (value) {\n    var number = toBigNumber(value);\n    var result = number.toString(16);\n\n    return number.lessThan(0) ? '-0x' + result.substr(1) : '0x' + result;\n};\n\n/**\n * Auto converts any given value into it's hex representation.\n *\n * And even stringifys objects before.\n *\n * @method toHex\n * @param {String|Number|BigNumber|Object}\n * @return {String}\n */\nvar toHex = function (val) {\n    /*jshint maxcomplexity:7 */\n\n    if (isBoolean(val))\n        return fromDecimal(+val);\n\n    if (isBigNumber(val))\n        return fromDecimal(val);\n\n    if (isObject(val))\n        return fromAscii(JSON.stringify(val));\n\n    // if its a negative number, pass it through fromDecimal\n    if (isString(val)) {\n        if (val.indexOf('-0x') === 0)\n           return fromDecimal(val);\n        else if (!isFinite(val))\n            return fromAscii(val);\n    }\n\n    return fromDecimal(val);\n};\n\n/**\n * Returns value of unit in Wei\n *\n * @method getValueOfUnit\n * @param {String} unit the unit to convert to, default ether\n * @returns {BigNumber} value of the unit (in Wei)\n * @throws error if the unit is not correct:w\n */\nvar getValueOfUnit = function (unit) {\n    unit = unit ? unit.toLowerCase() : 'ether';\n    var unitValue = unitMap[unit];\n    if (unitValue === undefined) {\n        throw new Error('This unit doesn\\'t exists, please use the one of the following units' + JSON.stringify(unitMap, null, 2));\n    }\n    return new BigNumber(unitValue, 10);\n};\n\n/**\n * Takes a number of wei and converts it to any other ether unit.\n *\n * Possible units are:\n * - kwei/ada\n * - mwei/babbage\n * - gwei/shannon\n * - szabo\n * - finney\n * - ether\n * - kether/grand/einstein\n * - mether\n * - gether\n * - tether\n *\n * @method fromWei\n * @param {Number|String} number can be a number, number string or a HEX of a decimal\n * @param {String} unit the unit to convert to, default ether\n * @return {String|Object} When given a BigNumber object it returns one as well, otherwise a number\n*/\nvar fromWei = function(number, unit) {\n    var returnValue = toBigNumber(number).dividedBy(getValueOfUnit(unit));\n\n    return isBigNumber(number) ? returnValue : returnValue.toString(10); \n};\n\n/**\n * Takes a number of a unit and converts it to wei.\n *\n * Possible units are:\n * - kwei/ada\n * - mwei/babbage\n * - gwei/shannon\n * - szabo\n * - finney\n * - ether\n * - kether/grand/einstein\n * - mether\n * - gether\n * - tether\n *\n * @method toWei\n * @param {Number|String|BigNumber} number can be a number, number string or a HEX of a decimal\n * @param {String} unit the unit to convert from, default ether\n * @return {String|Object} When given a BigNumber object it returns one as well, otherwise a number\n*/\nvar toWei = function(number, unit) {\n    var returnValue = toBigNumber(number).times(getValueOfUnit(unit));\n\n    return isBigNumber(number) ? returnValue : returnValue.toString(10); \n};\n\n/**\n * Takes an input and transforms it into an bignumber\n *\n * @method toBigNumber\n * @param {Number|String|BigNumber} a number, string, HEX string or BigNumber\n * @return {BigNumber} BigNumber\n*/\nvar toBigNumber = function(number) {\n    /*jshint maxcomplexity:5 */\n    number = number || 0;\n    if (isBigNumber(number))\n        return number;\n\n    if (isString(number) && (number.indexOf('0x') === 0 || number.indexOf('-0x') === 0)) {\n        return new BigNumber(number.replace('0x',''), 16);\n    }\n   \n    return new BigNumber(number.toString(10), 10);\n};\n\n/**\n * Takes and input transforms it into bignumber and if it is negative value, into two's complement\n *\n * @method toTwosComplement\n * @param {Number|String|BigNumber}\n * @return {BigNumber}\n */\nvar toTwosComplement = function (number) {\n    var bigNumber = toBigNumber(number);\n    if (bigNumber.lessThan(0)) {\n        return new BigNumber(\"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\", 16).plus(bigNumber).plus(1);\n    }\n    return bigNumber;\n};\n\n/**\n * Checks if the given string is strictly an address\n *\n * @method isStrictAddress\n * @param {String} address the given HEX adress\n * @return {Boolean}\n*/\nvar isStrictAddress = function (address) {\n    return /^0x[0-9a-f]{40}$/.test(address);\n};\n\n/**\n * Checks if the given string is an address\n *\n * @method isAddress\n * @param {String} address the given HEX adress\n * @return {Boolean}\n*/\nvar isAddress = function (address) {\n    return /^(0x)?[0-9a-f]{40}$/.test(address);\n};\n\n/**\n * Transforms given string to valid 20 bytes-length addres with 0x prefix\n *\n * @method toAddress\n * @param {String} address\n * @return {String} formatted address\n */\nvar toAddress = function (address) {\n    if (isStrictAddress(address)) {\n        return address;\n    }\n    \n    if (/^[0-9a-f]{40}$/.test(address)) {\n        return '0x' + address;\n    }\n\n    return '0x' + padLeft(toHex(address).substr(2), 40);\n};\n\n/**\n * Returns true if object is BigNumber, otherwise false\n *\n * @method isBigNumber\n * @param {Object}\n * @return {Boolean} \n */\nvar isBigNumber = function (object) {\n    return object instanceof BigNumber ||\n        (object && object.constructor && object.constructor.name === 'BigNumber');\n};\n\n/**\n * Returns true if object is string, otherwise false\n * \n * @method isString\n * @param {Object}\n * @return {Boolean}\n */\nvar isString = function (object) {\n    return typeof object === 'string' ||\n        (object && object.constructor && object.constructor.name === 'String');\n};\n\n/**\n * Returns true if object is function, otherwise false\n *\n * @method isFunction\n * @param {Object}\n * @return {Boolean}\n */\nvar isFunction = function (object) {\n    return typeof object === 'function';\n};\n\n/**\n * Returns true if object is Objet, otherwise false\n *\n * @method isObject\n * @param {Object}\n * @return {Boolean}\n */\nvar isObject = function (object) {\n    return typeof object === 'object';\n};\n\n/**\n * Returns true if object is boolean, otherwise false\n *\n * @method isBoolean\n * @param {Object}\n * @return {Boolean}\n */\nvar isBoolean = function (object) {\n    return typeof object === 'boolean';\n};\n\n/**\n * Returns true if object is array, otherwise false\n *\n * @method isArray\n * @param {Object}\n * @return {Boolean}\n */\nvar isArray = function (object) {\n    return object instanceof Array; \n};\n\n/**\n * Returns true if given string is valid json object\n * \n * @method isJson\n * @param {String}\n * @return {Boolean}\n */\nvar isJson = function (str) {\n    try {\n        return !!JSON.parse(str);\n    } catch (e) {\n        return false;\n    }\n};\n\nmodule.exports = {\n    padLeft: padLeft,\n    toHex: toHex,\n    toDecimal: toDecimal,\n    fromDecimal: fromDecimal,\n    toAscii: toAscii,\n    fromAscii: fromAscii,\n    transformToFullName: transformToFullName,\n    extractDisplayName: extractDisplayName,\n    extractTypeName: extractTypeName,\n    toWei: toWei,\n    fromWei: fromWei,\n    toBigNumber: toBigNumber,\n    toTwosComplement: toTwosComplement,\n    toAddress: toAddress,\n    isBigNumber: isBigNumber,\n    isStrictAddress: isStrictAddress,\n    isAddress: isAddress,\n    isFunction: isFunction,\n    isString: isString,\n    isObject: isObject,\n    isBoolean: isBoolean,\n    isArray: isArray,\n    isJson: isJson\n};\n\n",
-    "module.exports={\n    \"version\": \"0.3.0\"\n}\n",
+    "module.exports={\n    \"version\": \"0.3.1\"\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 web3.js\n * @authors:\n *   Jeffrey Wilcke <jeff@ethdev.com>\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n *   Fabian Vogelsteller <fabian@ethdev.com>\n *   Gav Wood <g@ethdev.com>\n * @date 2014\n */\n\nvar version = require('./version.json');\nvar net = require('./web3/net');\nvar eth = require('./web3/eth');\nvar db = require('./web3/db');\nvar shh = require('./web3/shh');\nvar watches = require('./web3/watches');\nvar Filter = require('./web3/filter');\nvar utils = require('./utils/utils');\nvar formatters = require('./web3/formatters');\nvar RequestManager = require('./web3/requestmanager');\nvar c = require('./utils/config');\nvar Method = require('./web3/method');\nvar Property = require('./web3/property');\n\nvar web3Methods = [\n    new Method({\n        name: 'sha3',\n        call: 'web3_sha3',\n        params: 1\n    })\n];\n\nvar web3Properties = [\n    new Property({\n        name: 'version.client',\n        getter: 'web3_clientVersion'\n    }),\n    new Property({\n        name: 'version.network',\n        getter: 'net_version',\n        inputFormatter: utils.toDecimal\n    }),\n    new Property({\n        name: 'version.ethereum',\n        getter: 'eth_protocolVersion',\n        inputFormatter: utils.toDecimal\n    }),\n    new Property({\n        name: 'version.whisper',\n        getter: 'shh_version',\n        inputFormatter: utils.toDecimal\n    })\n];\n\n/// creates methods in a given object based on method description on input\n/// setups api calls for these methods\nvar setupMethods = function (obj, methods) {\n    methods.forEach(function (method) {\n        method.attachToObject(obj);\n    });\n};\n\n/// creates properties in a given object based on properties description on input\n/// setups api calls for these properties\nvar setupProperties = function (obj, properties) {\n    properties.forEach(function (property) {\n        property.attachToObject(obj);\n    });\n};\n\n/// setups web3 object, and it's in-browser executed methods\nvar web3 = {};\nweb3.providers = {};\nweb3.version = {};\nweb3.version.api = version.version;\nweb3.eth = {};\n\n/*jshint maxparams:4 */\nweb3.eth.filter = function (fil, eventParams, options, formatter) {\n\n    // if its event, treat it differently\n    // TODO: simplify and remove\n    if (fil._isEvent) {\n        return fil(eventParams, options);\n    }\n\n    // what outputLogFormatter? that's wrong\n    //return new Filter(fil, watches.eth(), formatters.outputLogFormatter);\n    return new Filter(fil, watches.eth(), formatter || formatters.outputLogFormatter);\n};\n/*jshint maxparams:3 */\n\nweb3.shh = {};\nweb3.shh.filter = function (fil) {\n    return new Filter(fil, watches.shh(), formatters.outputPostFormatter);\n};\nweb3.net = {};\nweb3.db = {};\nweb3.setProvider = function (provider) {\n    RequestManager.getInstance().setProvider(provider);\n};\nweb3.reset = function () {\n    RequestManager.getInstance().reset();\n    c.defaultBlock = 'latest';\n    c.defaultAccount = undefined;\n};\nweb3.toHex = utils.toHex;\nweb3.toAscii = utils.toAscii;\nweb3.fromAscii = utils.fromAscii;\nweb3.toDecimal = utils.toDecimal;\nweb3.fromDecimal = utils.fromDecimal;\nweb3.toBigNumber = utils.toBigNumber;\nweb3.toWei = utils.toWei;\nweb3.fromWei = utils.fromWei;\nweb3.isAddress = utils.isAddress;\n\n// ADD defaultblock\nObject.defineProperty(web3.eth, 'defaultBlock', {\n    get: function () {\n        return c.defaultBlock;\n    },\n    set: function (val) {\n        c.defaultBlock = val;\n        return val;\n    }\n});\n\nObject.defineProperty(web3.eth, 'defaultAccount', {\n    get: function () {\n        return c.defaultAccount;\n    },\n    set: function (val) {\n        c.defaultAccount = val;\n        return val;\n    }\n});\n\n/// setups all api methods\nsetupMethods(web3, web3Methods);\nsetupProperties(web3, web3Properties);\nsetupMethods(web3.net, net.methods);\nsetupProperties(web3.net, net.properties);\nsetupMethods(web3.eth, eth.methods);\nsetupProperties(web3.eth, eth.properties);\nsetupMethods(web3.db, db.methods);\nsetupMethods(web3.shh, shh.methods);\n\nmodule.exports = web3;\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/** \n * @file contract.js\n * @author Marek Kotewicz <marek@ethdev.com>\n * @date 2014\n */\n\nvar web3 = require('../web3'); \nvar solAbi = require('../solidity/abi');\nvar utils = require('../utils/utils');\nvar SolidityEvent = require('./event');\nvar SolidityFunction = require('./function');\n\nvar addFunctionsToContract = function (contract, desc) {\n    desc.filter(function (json) {\n        return json.type === 'function';\n    }).map(function (json) {\n        return new SolidityFunction(json, contract.address);\n    }).forEach(function (f) {\n        f.attachToContract(contract);\n    });\n};\n\nvar addEventsToContract = function (contract, desc) {\n    desc.filter(function (json) {\n        return json.type === 'event';\n    }).map(function (json) {\n        return new SolidityEvent(json, contract.address);\n    }).forEach(function (e) {\n        e.attachToContract(contract);\n    });\n};\n\n/**\n * This method should be called when we want to call / transact some solidity method from javascript\n * it returns an object which has same methods available as solidity contract description\n * usage example: \n *\n * var abi = [{\n *      name: 'myMethod',\n *      inputs: [{ name: 'a', type: 'string' }],\n *      outputs: [{name: 'd', type: 'string' }]\n * }];  // contract abi\n *\n * var MyContract = web3.eth.contract(abi); // creation of contract prototype\n *\n * var contractInstance = new MyContract('0x0123123121');\n *\n * contractInstance.myMethod('this is test string param for call'); // myMethod call (implicit, default)\n * contractInstance.call().myMethod('this is test string param for call'); // myMethod call (explicit)\n * contractInstance.sendTransaction().myMethod('this is test string param for transact'); // myMethod sendTransaction\n *\n * @param abi - abi json description of the contract, which is being created\n * @returns contract object\n */\nvar contract = function (abi) {\n\n    // return prototype\n    return Contract.bind(null, abi);\n};\n\nvar Contract = function (abi, options) {\n\n    this.address = '';\n    if (utils.isAddress(options)) {\n        this.address = options;\n    } else { // is an object!\n        // TODO, parse the rest of the args\n        options = options || {};\n        var args = Array.prototype.slice.call(arguments, 2);\n        var bytes = solAbi.formatConstructorParams(abi, args);\n        options.data += bytes;\n        this.address = web3.eth.sendTransaction(options);\n    }\n\n    addFunctionsToContract(this, abi);\n    addEventsToContract(this, abi);\n};\n\nContract.prototype.call = function () {\n    console.error('contract.call is deprecated');\n    return this;\n};\n\nContract.prototype.sendTransaction = function () {\n    console.error('contract.sendTransact is deprecated');\n    return this;\n};\n\nmodule.exports = contract;\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 db.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nvar Method = require('./method');\n\nvar putString = new Method({\n    name: 'putString',\n    call: 'db_putString',\n    params: 3\n});\n\n\nvar getString = new Method({\n    name: 'getString',\n    call: 'db_getString',\n    params: 2\n});\n\nvar putHex = new Method({\n    name: 'putHex',\n    call: 'db_putHex',\n    params: 3\n});\n\nvar getHex = new Method({\n    name: 'getHex',\n    call: 'db_getHex',\n    params: 2\n});\n\nvar methods = [\n    putString, getString, putHex, getHex\n];\n\nmodule.exports = {\n    methods: methods\n};\n",
diff --git a/dist/web3-light.min.js b/dist/web3-light.min.js
index 19b12d6..83bafde 100644
--- a/dist/web3-light.min.js
+++ b/dist/web3-light.min.js
@@ -1,2 +1,2 @@
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n=t("bignumber.js"),o={wei:"1",kwei:"1000",ada:"1000",mwei:"1000000",babbage:"1000000",gwei:"1000000000",shannon:"1000000000",szabo:"1000000000000",finney:"1000000000000000",ether:"1000000000000000000",kether:"1000000000000000000000",grand:"1000000000000000000000",einstein:"1000000000000000000000",mether:"1000000000000000000000000",gether:"1000000000000000000000000000",tether:"1000000000000000000000000000000"},i=function(t,e,r){return new Array(e-t.length+1).join(r?r:"0")+t},a=function(t){var e="",r=0,n=t.length;for("0x"===t.substring(0,2)&&(r=2);n>r;r+=2){var o=parseInt(t.substr(r,2),16);if(0===o)break;e+=String.fromCharCode(o)}return e},s=function(t){for(var e="",r=0;r<t.length;r++){var n=t.charCodeAt(r).toString(16);e+=n.length<2?"0"+n:n}return e},u=function(t,e){e=void 0===e?0:e;for(var r=s(t);r.length<2*e;)r+="00";return"0x"+r},c=function(t){if(-1!==t.name.indexOf("("))return t.name;var e=t.inputs.map(function(t){return t.type}).join();return t.name+"("+e+")"},l=function(t){var 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d({name:"version.ethereum",getter:"eth_protocolVersion",inputFormatter:l.toDecimal}),new d({name:"version.whisper",getter:"shh_version",inputFormatter:l.toDecimal})],v=function(t,e){e.forEach(function(e){e.attachToObject(t)})},b=function(t,e){e.forEach(function(e){e.attachToObject(t)})},w={};w.providers={},w.version={},w.version.api=n.version,w.eth={},w.eth.filter=function(t,e,r,n){return t._isEvent?t(e,r):new c(t,u.eth(),n||p.outputLogFormatter)},w.shh={},w.shh.filter=function(t){return new c(t,u.shh(),p.outputPostFormatter)},w.net={},w.db={},w.setProvider=function(t){f.getInstance().setProvider(t)},w.reset=function(){f.getInstance().reset(),m.defaultBlock="latest",m.defaultAccount=void 0},w.toHex=l.toHex,w.toAscii=l.toAscii,w.fromAscii=l.fromAscii,w.toDecimal=l.toDecimal,w.fromDecimal=l.fromDecimal,w.toBigNumber=l.toBigNumber,w.toWei=l.toWei,w.fromWei=l.fromWei,w.isAddress=l.isAddress,Object.defineProperty(w.eth,"defaultBlock",{get:function(){return m.defaultBlock},set:function(t){return m.defaultBlock=t,t}}),Object.defineProperty(w.eth,"defaultAccount",{get:function(){return m.defaultAccount},set:function(t){return m.defaultAccount=t,t}}),v(w,y),b(w,g),v(w.net,o.methods),b(w.net,o.properties),v(w.eth,i.methods),b(w.eth,i.properties),v(w.db,a.methods),v(w.shh,s.methods),e.exports=w},{"./utils/config":7,"./utils/utils":8,"./version.json":9,"./web3/db":12,"./web3/eth":14,"./web3/filter":16,"./web3/formatters":17,"./web3/method":21,"./web3/net":22,"./web3/property":23,"./web3/requestmanager":25,"./web3/shh":26,"./web3/watches":27}],11:[function(t,e,r){var n=t("../web3"),o=t("../solidity/abi"),i=t("../utils/utils"),a=t("./event"),s=t("./function"),u=function(t,e){e.filter(function(t){return"function"===t.type}).map(function(e){return new s(e,t.address)}).forEach(function(e){e.attachToContract(t)})},c=function(t,e){e.filter(function(t){return"event"===t.type}).map(function(e){return new 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Error("Invalid number of input parameters")},InvalidConnection:function(t){return new Error("CONNECTION ERROR: Couldn't connect to node "+t+", is it running?")},InvalidProvider:function(){return new Error("Providor not set or invalid")},InvalidResponse:function(t){var e=t&&t.error&&t.error.message?t.error.message:"Invalid JSON RPC response";return new Error(e)}}},{}],14:[function(t,e,r){"use strict";var n=t("./formatters"),o=t("../utils/utils"),i=t("./method"),a=t("./property"),s=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getBlockByHash":"eth_getBlockByNumber"},u=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getTransactionByBlockHashAndIndex":"eth_getTransactionByBlockNumberAndIndex"},c=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getUncleByBlockHashAndIndex":"eth_getUncleByBlockNumberAndIndex"},l=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getBlockTransactionCountByHash":"eth_getBlockTransactionCountByNumber"},p=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getUncleCountByBlockHash":"eth_getUncleCountByBlockNumber"},f=new i({name:"getBalance",call:"eth_getBalance",params:2,inputFormatter:[o.toAddress,n.inputDefaultBlockNumberFormatter],outputFormatter:n.outputBigNumberFormatter}),m=new i({name:"getStorageAt",call:"eth_getStorageAt",params:3,inputFormatter:[null,o.toHex,n.inputDefaultBlockNumberFormatter]}),h=new i({name:"getCode",call:"eth_getCode",params:2,inputFormatter:[o.toAddress,n.inputDefaultBlockNumberFormatter]}),d=new i({name:"getBlock",call:s,params:2,inputFormatter:[n.inputBlockNumberFormatter,function(t){return!!t}],outputFormatter:n.outputBlockFormatter}),y=new i({name:"getUncle",call:c,params:2,inputFormatter:[n.inputBlockNumberFormatter,o.toHex],outputFormatter:n.outputBlockFormatter}),g=new i({name:"getCompilers",call:"eth_getCompilers",params:0}),v=new i({name:"getBlockTransactionCount",call:l,params:1,inputFormatter:[n.inputBlockNumberFormatter],outputFormatter:o.toDecimal}),b=new i({name:"getBlockUncleCount",call:p,params:1,inputFormatter:[n.inputBlockNumberFormatter],outputFormatter:o.toDecimal}),w=new i({name:"getTransaction",call:"eth_getTransactionByHash",params:1,outputFormatter:n.outputTransactionFormatter}),x=new i({name:"getTransactionFromBlock",call:u,params:2,inputFormatter:[n.inputBlockNumberFormatter,o.toHex],outputFormatter:n.outputTransactionFormatter}),_=new i({name:"getTransactionCount",call:"eth_getTransactionCount",params:2,inputFormatter:[null,n.inputDefaultBlockNumberFormatter],outputFormatter:o.toDecimal}),F=new i({name:"sendTransaction",call:"eth_sendTransaction",params:1,inputFormatter:[n.inputTransactionFormatter]}),I=new i({name:"call",call:"eth_call",params:2,inputFormatter:[n.inputTransactionFormatter,n.inputDefaultBlockNumberFormatter]}),N=new i({name:"compile.solidity",call:"eth_compileSolidity",params:1}),T=new i({name:"compile.lll",call:"eth_compileLLL",params:1}),B=new i({name:"compile.serpent",call:"eth_compileSerpent",params:1}),O=[f,m,h,d,y,g,v,b,w,x,_,I,F,N,T,B],P=[new a({name:"coinbase",getter:"eth_coinbase"}),new a({name:"mining",getter:"eth_mining"}),new a({name:"gasPrice",getter:"eth_gasPrice",outputFormatter:n.outputBigNumberFormatter}),new a({name:"accounts",getter:"eth_accounts"}),new a({name:"blockNumber",getter:"eth_blockNumber",outputFormatter:o.toDecimal})];e.exports={methods:O,properties:P}},{"../utils/utils":8,"./formatters":17,"./method":21,"./property":23}],15:[function(t,e,r){var n=t("../utils/utils"),o=t("../solidity/coder"),i=t("../web3"),a=t("./formatters"),s=function(t,e){this._params=t.inputs,this._name=n.transformToFullName(t),this._address=e,this._anonymous=t.anonymous};s.prototype.types=function(t){return this._params.filter(function(e){return e.indexed===t}).map(function(t){return t.type})},s.prototype.displayName=function(){return n.extractDisplayName(this._name)},s.prototype.typeName=function(){return n.extractTypeName(this._name)},s.prototype.signature=function(){return i.sha3(i.fromAscii(this._name)).slice(2)},s.prototype.encode=function(t,e){t=t||{},e=e||{};var r={};["fromBlock","toBlock"].filter(function(t){return void 0!==e[t]}).forEach(function(t){r[t]=n.toHex(e[t])}),r.topics=[],this._anonymous||(r.address=this._address,r.topics.push("0x"+this.signature()));var i=this._params.filter(function(t){return t.indexed===!0}).map(function(e){var r=t[e.name];return void 0===r||null===r?null:n.isArray(r)?r.map(function(t){return"0x"+o.encodeParam(e.type,t)}):"0x"+o.encodeParam(e.type,r)});return r.topics=r.topics.concat(i),r},s.prototype.decode=function(t){t.data=t.data||"",t.topics=t.topics||[];var e=this._anonymous?t.topics:t.topics.slice(1),r=e.map(function(t){return t.slice(2)}).join(""),n=o.decodeParams(this.types(!0),r),i=t.data.slice(2),s=o.decodeParams(this.types(!1),i),u=a.outputLogFormatter(t);return u.event=this.displayName(),u.address=t.address,u.args=this._params.reduce(function(t,e){return t[e.name]=e.indexed?n.shift():s.shift(),t},{}),delete u.data,delete u.topics,u},s.prototype.execute=function(t,e){var r=this.encode(t,e),n=this.decode.bind(this);return i.eth.filter(r,void 0,void 0,n)},s.prototype.attachToContract=function(t){var e=this.execute.bind(this),r=this.displayName();t[r]||(t[r]=e),t[r][this.typeName()]=this.execute.bind(this,t)},e.exports=s},{"../solidity/coder":2,"../utils/utils":8,"../web3":10,"./formatters":17}],16:[function(t,e,r){var n=t("./requestmanager"),o=t("./formatters"),i=t("../utils/utils"),a=function(t){return null===t||"undefined"==typeof t?null:(t=String(t),0===t.indexOf("0x")?t:i.fromAscii(t))},s=function(t){return i.isString(t)?t:(t=t||{},t.topics=t.topics||[],t.topics=t.topics.map(function(t){return i.isArray(t)?t.map(a):a(t)}),{topics:t.topics,to:t.to,address:t.address,fromBlock:o.inputBlockNumberFormatter(t.fromBlock),toBlock:o.inputBlockNumberFormatter(t.toBlock)})},u=function(t,e,r){var n={};e.forEach(function(t){t.attachToObject(n)}),this.options=s(t),this.implementation=n,this.callbacks=[],this.formatter=r,this.filterId=this.implementation.newFilter(this.options)};u.prototype.watch=function(t){this.callbacks.push(t);var e=this,r=function(t,r){return t?e.callbacks.forEach(function(e){e(t)}):void r.forEach(function(t){t=e.formatter?e.formatter(t):t,e.callbacks.forEach(function(e){e(null,t)})})};i.isString(this.options)||this.get(function(e,r){e&&t(e),r.forEach(function(e){t(null,e)})}),n.getInstance().startPolling({method:this.implementation.poll.call,params:[this.filterId]},this.filterId,r,this.stopWatching.bind(this))},u.prototype.stopWatching=function(){n.getInstance().stopPolling(this.filterId),this.implementation.uninstallFilter(this.filterId),this.callbacks=[]},u.prototype.get=function(t){var e=this;if(!i.isFunction(t)){var r=this.implementation.getLogs(this.filterId);return r.map(function(t){return e.formatter?e.formatter(t):t})}this.implementation.getLogs(this.filterId,function(r,n){r?t(r):t(null,n.map(function(t){return e.formatter?e.formatter(t):t}))})},e.exports=u},{"../utils/utils":8,"./formatters":17,"./requestmanager":25}],17:[function(t,e,r){var n=t("../utils/utils"),o=t("../utils/config"),i=function(t){return n.toBigNumber(t)},a=function(t){return"latest"===t||"pending"===t||"earliest"===t},s=function(t){return void 0===t?o.defaultBlock:u(t)},u=function(t){return void 0===t?void 0:a(t)?t:n.toHex(t)},c=function(t){return t.from=t.from||o.defaultAccount,t.code&&(t.data=t.code,delete t.code),["gasPrice","gas","value"].filter(function(e){return void 0!==t[e]}).forEach(function(e){t[e]=n.fromDecimal(t[e])}),t},l=function(t){return t.blockNumber=n.toDecimal(t.blockNumber),t.transactionIndex=n.toDecimal(t.transactionIndex),t.nonce=n.toDecimal(t.nonce),t.gas=n.toDecimal(t.gas),t.gasPrice=n.toBigNumber(t.gasPrice),t.value=n.toBigNumber(t.value),t},p=function(t){return t.gasLimit=n.toDecimal(t.gasLimit),t.gasUsed=n.toDecimal(t.gasUsed),t.size=n.toDecimal(t.size),t.timestamp=n.toDecimal(t.timestamp),t.number=n.toDecimal(t.number),t.difficulty=n.toBigNumber(t.difficulty),t.totalDifficulty=n.toBigNumber(t.totalDifficulty),n.isArray(t.transactions)&&t.transactions.forEach(function(t){return n.isString(t)?void 0:l(t)}),t},f=function(t){return null===t?null:(t.blockNumber=n.toDecimal(t.blockNumber),t.transactionIndex=n.toDecimal(t.transactionIndex),t.logIndex=n.toDecimal(t.logIndex),t)},m=function(t){return t.payload=n.toHex(t.payload),t.ttl=n.fromDecimal(t.ttl),t.workToProve=n.fromDecimal(t.workToProve),t.priority=n.fromDecimal(t.priority),n.isArray(t.topics)||(t.topics=t.topics?[t.topics]:[]),t.topics=t.topics.map(function(t){return n.fromAscii(t)}),t},h=function(t){return t.expiry=n.toDecimal(t.expiry),t.sent=n.toDecimal(t.sent),t.ttl=n.toDecimal(t.ttl),t.workProved=n.toDecimal(t.workProved),t.payloadRaw=t.payload,t.payload=n.toAscii(t.payload),n.isJson(t.payload)&&(t.payload=JSON.parse(t.payload)),t.topics||(t.topics=[]),t.topics=t.topics.map(function(t){return n.toAscii(t)}),t};e.exports={inputDefaultBlockNumberFormatter:s,inputBlockNumberFormatter:u,inputTransactionFormatter:c,inputPostFormatter:m,outputBigNumberFormatter:i,outputTransactionFormatter:l,outputBlockFormatter:p,outputLogFormatter:f,outputPostFormatter:h}},{"../utils/config":7,"../utils/utils":8}],18:[function(t,e,r){var n=t("../web3"),o=t("../solidity/coder"),i=t("../utils/utils"),a=function(t,e){this._inputTypes=t.inputs.map(function(t){return t.type}),this._outputTypes=t.outputs.map(function(t){return t.type}),this._constant=t.constant,this._name=i.transformToFullName(t),this._address=e};a.prototype.toPayload=function(){var t=Array.prototype.slice.call(arguments),e={};return i.isObject(t[t.length-1])&&(e=t.pop()),e.to=this._address,e.data="0x"+this.signature()+o.encodeParams(this._inputTypes,t),e},a.prototype.signature=function(){return n.sha3(n.fromAscii(this._name)).slice(2,10)},a.prototype.call=function(){var t=this.toPayload.apply(this,Array.prototype.slice.call(arguments)),e=n.eth.call(t);return o.decodeParams(this._outputTypes,e)},a.prototype.sendTransaction=function(){var t=this.toPayload.apply(this,Array.prototype.slice.call(arguments));n.eth.sendTransaction(t)},a.prototype.displayName=function(){return i.extractDisplayName(this._name)},a.prototype.typeName=function(){return i.extractTypeName(this._name)},a.prototype.execute=function(){var t=!this._constant;return t?this.sendTransaction.apply(this,Array.prototype.slice.call(arguments)):this.call.apply(this,Array.prototype.slice.call(arguments))},a.prototype.attachToContract=function(t){var e=this.execute.bind(this);e.call=this.call.bind(this),e.sendTransaction=this.sendTransaction.bind(this);var r=this.displayName();t[r]||(t[r]=e),t[r][this.typeName()]=e},e.exports=a},{"../solidity/coder":2,"../utils/utils":8,"../web3":10}],19:[function(t,e,r){"use strict";var n=t("xmlhttprequest").XMLHttpRequest,o=t("./errors"),i=function(t){this.host=t||"http://localhost:8545"};i.prototype.send=function(t){var e=new n;e.open("POST",this.host,!1);try{e.send(JSON.stringify(t))}catch(r){throw o.InvalidConnection(this.host)}return JSON.parse(e.responseText)},i.prototype.sendAsync=function(t,e){var r=new n;r.onreadystatechange=function(){4===r.readyState&&e(null,JSON.parse(r.responseText))},r.open("POST",this.host,!0);try{r.send(JSON.stringify(t))}catch(i){e(o.InvalidConnection(this.host))}},e.exports=i},{"./errors":13,xmlhttprequest:6}],20:[function(t,e,r){var n=function(){return arguments.callee._singletonInstance?arguments.callee._singletonInstance:(arguments.callee._singletonInstance=this,void(this.messageId=1))};n.getInstance=function(){var t=new n;return t},n.prototype.toPayload=function(t,e){return t||console.error("jsonrpc method should be specified!"),{jsonrpc:"2.0",method:t,params:e||[],id:this.messageId++}},n.prototype.isValidResponse=function(t){return!!t&&!t.error&&"2.0"===t.jsonrpc&&"number"==typeof t.id&&void 0!==t.result},n.prototype.toBatchPayload=function(t){var e=this;return t.map(function(t){return e.toPayload(t.method,t.params)})},e.exports=n},{}],21:[function(t,e,r){var n=t("./requestmanager"),o=t("../utils/utils"),i=t("./errors"),a=function(t){this.name=t.name,this.call=t.call,this.params=t.params||0,this.inputFormatter=t.inputFormatter,this.outputFormatter=t.outputFormatter};a.prototype.getCall=function(t){return o.isFunction(this.call)?this.call(t):this.call},a.prototype.extractCallback=function(t){return o.isFunction(t[t.length-1])?t.pop():null},a.prototype.validateArgs=function(t){if(t.length!==this.params)throw i.InvalidNumberOfParams()},a.prototype.formatInput=function(t){return this.inputFormatter?this.inputFormatter.map(function(e,r){return e?e(t[r]):t[r]}):t},a.prototype.formatOutput=function(t){return this.outputFormatter&&null!==t?this.outputFormatter(t):t},a.prototype.attachToObject=function(t){var e=this.send.bind(this);e.call=this.call;var r=this.name.split(".");r.length>1?(t[r[0]]=t[r[0]]||{},t[r[0]][r[1]]=e):t[r[0]]=e},a.prototype.toPayload=function(t){var e=this.getCall(t),r=this.extractCallback(t),n=this.formatInput(t);return this.validateArgs(n),{method:e,params:n,callback:r}},a.prototype.send=function(){var t=this.toPayload(Array.prototype.slice.call(arguments));if(t.callback){var e=this;return n.getInstance().sendAsync(t,function(r,n){t.callback(null,e.formatOutput(n))})}return this.formatOutput(n.getInstance().send(t))},e.exports=a},{"../utils/utils":8,"./errors":13,"./requestmanager":25}],22:[function(t,e,r){var n=t("../utils/utils"),o=t("./property"),i=[],a=[new o({name:"listening",getter:"net_listening"}),new o({name:"peerCount",getter:"net_peerCount",outputFormatter:n.toDecimal})];e.exports={methods:i,properties:a}},{"../utils/utils":8,"./property":23}],23:[function(t,e,r){var n=t("./requestmanager"),o=function(t){this.name=t.name,this.getter=t.getter,this.setter=t.setter,this.outputFormatter=t.outputFormatter,this.inputFormatter=t.inputFormatter};o.prototype.formatInput=function(t){return this.inputFormatter?this.inputFormatter(t):t},o.prototype.formatOutput=function(t){return this.outputFormatter&&null!==t?this.outputFormatter(t):t},o.prototype.attachToObject=function(t){var e={get:this.get.bind(this),set:this.set.bind(this)},r=this.name.split(".");r.length>1?(t[r[0]]=t[r[0]]||{},Object.defineProperty(t[r[0]],r[1],e)):Object.defineProperty(t,r[0],e)},o.prototype.get=function(){return this.formatOutput(n.getInstance().send({method:this.getter}))},o.prototype.set=function(t){return n.getInstance().send({method:this.setter,params:[this.formatInput(t)]})},e.exports=o},{"./requestmanager":25}],24:[function(t,e,r){var n=function(){};n.prototype.send=function(t){var e=navigator.qt.callMethod(JSON.stringify(t));return JSON.parse(e)},e.exports=n},{}],25:[function(t,e,r){var n=t("./jsonrpc"),o=t("../utils/utils"),i=t("../utils/config"),a=t("./errors"),s=function(t){return arguments.callee._singletonInstance?arguments.callee._singletonInstance:(arguments.callee._singletonInstance=this,this.provider=t,this.polls=[],this.timeout=null,void this.poll())};s.getInstance=function(){var t=new s;return t},s.prototype.send=function(t){if(!this.provider)return console.error(a.InvalidProvider()),null;var e=n.getInstance().toPayload(t.method,t.params),r=this.provider.send(e);if(!n.getInstance().isValidResponse(r))throw a.InvalidResponse(r);return r.result},s.prototype.sendAsync=function(t,e){if(!this.provider)return e(a.InvalidProvider());var r=n.getInstance().toPayload(t.method,t.params);this.provider.sendAsync(r,function(t,r){return t?e(t):n.getInstance().isValidResponse(r)?void e(null,r.result):e(a.InvalidResponse(r))})},s.prototype.setProvider=function(t){this.provider=t},s.prototype.startPolling=function(t,e,r,n){this.polls.push({data:t,id:e,callback:r,uninstall:n})},s.prototype.stopPolling=function(t){for(var e=this.polls.length;e--;){var r=this.polls[e];r.id===t&&this.polls.splice(e,1)}},s.prototype.reset=function(){this.polls.forEach(function(t){t.uninstall(t.id)}),this.polls=[],this.timeout&&(clearTimeout(this.timeout),this.timeout=null),this.poll()},s.prototype.poll=function(){if(this.timeout=setTimeout(this.poll.bind(this),i.ETH_POLLING_TIMEOUT),this.polls.length){if(!this.provider)return void console.error(a.InvalidProvider());var t=n.getInstance().toBatchPayload(this.polls.map(function(t){return t.data})),e=this;this.provider.sendAsync(t,function(t,r){if(!t){if(!o.isArray(r))throw a.InvalidResponse(r);r.map(function(t,r){return t.callback=e.polls[r].callback,t}).filter(function(t){var e=n.getInstance().isValidResponse(t);return e||t.callback(a.InvalidResponse(t)),e}).filter(function(t){return o.isArray(t.result)&&t.result.length>0}).forEach(function(t){t.callback(null,t.result)})}})}},e.exports=s},{"../utils/config":7,"../utils/utils":8,"./errors":13,"./jsonrpc":20}],26:[function(t,e,r){var n=t("./method"),o=t("./formatters"),i=new n({name:"post",call:"shh_post",params:1,inputFormatter:[o.inputPostFormatter]}),a=new n({name:"newIdentity",call:"shh_newIdentity",params:0}),s=new n({name:"hasIdentity",call:"shh_hasIdentity",params:1}),u=new n({name:"newGroup",call:"shh_newGroup",params:0}),c=new n({name:"addToGroup",call:"shh_addToGroup",params:0}),l=[i,a,s,u,c];e.exports={methods:l}},{"./formatters":17,"./method":21}],27:[function(t,e,r){var n=t("./method"),o=function(){var t=function(t){return"string"==typeof t[0]?"eth_newBlockFilter":"eth_newFilter"},e=new n({name:"newFilter",call:t,params:1}),r=new n({name:"uninstallFilter",call:"eth_uninstallFilter",params:1}),o=new n({name:"getLogs",call:"eth_getFilterLogs",params:1}),i=new n({name:"poll",call:"eth_getFilterChanges",params:1});return[e,r,o,i]},i=function(){var t=new n({name:"newFilter",call:"shh_newFilter",params:1}),e=new n({name:"uninstallFilter",call:"shh_uninstallFilter",params:1}),r=new n({name:"getLogs",call:"shh_getMessages",params:1}),o=new n({name:"poll",call:"shh_getFilterChanges",params:1});return[t,e,r,o]};e.exports={eth:o,shh:i}},{"./method":21}],28:[function(t,e,r){},{}],"bignumber.js":[function(t,e,r){
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t.map(function(t){return r._inputFormatter(t)}).reduce(function(t,e){return t.appendArrayElement(e),t},new a("",i.formatInputInt(t.length).value))}return this._inputFormatter(t)},u.prototype.formatOutput=function(t,e){if(e){for(var r=[],o=new n(t.prefix,16),i=0;64*o>i;i+=64)r.push(this._outputFormatter(new a(t.suffix.slice(i,i+64))));return r}return this._outputFormatter(t)},u.prototype.isVariadicType=function(t){return s(t)||"bytes"===this._mode},u.prototype.shiftParam=function(t,e){if("bytes"===this._mode)return e.shiftBytes();if(s(t)){var r=new n(e.prefix.slice(0,64),16);return e.shiftArray(r)}return e.shiftValue()};var c=function(t){this._types=t};c.prototype._requireType=function(t){var e=this._types.filter(function(e){return e.isType(t)})[0];if(!e)throw Error("invalid solidity type!: "+t);return e},c.prototype._bytesToParam=function(t,e){var r=this,n=t.reduce(function(t,e){return r._requireType(e).isVariadicType(e)?t+1:t},0),o=t.length-n,i=e.slice(0,64*n);e=e.slice(64*n);var s=e.slice(0,64*o),u=e.slice(64*o);return new a(s,i,u)},c.prototype._formatInput=function(t,e){return this._requireType(t).formatInput(e,s(t))},c.prototype.encodeParam=function(t,e){return this._formatInput(t,e).encode()},c.prototype.encodeParams=function(t,e){var r=this;return t.map(function(t,n){return r._formatInput(t,e[n])}).reduce(function(t,e){return t.append(e),t},new a).encode()},c.prototype._formatOutput=function(t,e){return this._requireType(t).formatOutput(e,s(t))},c.prototype.decodeParam=function(t,e){return this._formatOutput(t,this._bytesToParam([t],e))},c.prototype.decodeParams=function(t,e){var r=this,n=this._bytesToParam(t,e);return t.map(function(t){var e=r._requireType(t),o=e.shiftParam(t,n);return e.formatOutput(o,s(t))})};var l=new c([new u({name:"address",match:"strict",mode:"value",inputFormatter:i.formatInputInt,outputFormatter:i.formatOutputAddress}),new u({name:"bool",match:"strict",mode:"value",inputFormatter:i.formatInputBool,outputFormatter:i.formatOutputBool}),new u({name:"int",match:"prefix",mode:"value",inputFormatter:i.formatInputInt,outputFormatter:i.formatOutputInt}),new u({name:"uint",match:"prefix",mode:"value",inputFormatter:i.formatInputInt,outputFormatter:i.formatOutputUInt}),new u({name:"bytes",match:"prefix",mode:"bytes",inputFormatter:i.formatInputBytes,outputFormatter:i.formatOutputBytes}),new u({name:"real",match:"prefix",mode:"value",inputFormatter:i.formatInputReal,outputFormatter:i.formatOutputReal}),new u({name:"ureal",match:"prefix",mode:"value",inputFormatter:i.formatInputReal,outputFormatter:i.formatOutputUReal})]);e.exports=l},{"../utils/utils":8,"./formatters":3,"./param":4,"bignumber.js":"bignumber.js"}],3:[function(t,e,r){var n=t("bignumber.js"),o=t("../utils/utils"),i=t("../utils/config"),a=t("./param"),s=function(t){var e=2*i.ETH_PADDING;n.config(i.ETH_BIGNUMBER_ROUNDING_MODE);var r=o.padLeft(o.toTwosComplement(t).round().toString(16),e);return new a(r)},u=function(t){var e=o.fromAscii(t,i.ETH_PADDING).substr(2);return new a("",s(t.length).value,e)},c=function(t){var e="000000000000000000000000000000000000000000000000000000000000000"+(t?"1":"0");return new a(e)},l=function(t){return s(new n(t).times(new n(2).pow(128)))},p=function(t){return"1"===new n(t.substr(0,1),16).toString(2).substr(0,1)},f=function(t){var e=t.value||"0";return p(e)?new n(e,16).minus(new n("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16)).minus(1):new n(e,16)},m=function(t){var e=t.value||"0";return new n(e,16)},h=function(t){return f(t).dividedBy(new n(2).pow(128))},d=function(t){return m(t).dividedBy(new n(2).pow(128))},y=function(t){return"0000000000000000000000000000000000000000000000000000000000000001"===t.value?!0:!1},g=function(t){return o.toAscii(t.suffix)},v=function(t){var e=t.value;return"0x"+e.slice(e.length-40,e.length)};e.exports={formatInputInt:s,formatInputBytes:u,formatInputBool:c,formatInputReal:l,formatOutputInt:f,formatOutputUInt:m,formatOutputReal:h,formatOutputUReal:d,formatOutputBool:y,formatOutputBytes:g,formatOutputAddress:v}},{"../utils/config":7,"../utils/utils":8,"./param":4,"bignumber.js":"bignumber.js"}],4:[function(t,e,r){var n=function(t,e,r){this.prefix=e||"",this.value=t||"",this.suffix=r||""};n.prototype.append=function(t){this.prefix+=t.prefix,this.value+=t.value,this.suffix+=t.suffix},n.prototype.appendArrayElement=function(t){this.suffix+=t.value,this.prefix+=t.prefix},n.prototype.encode=function(){return this.prefix+this.value+this.suffix},n.prototype.shiftValue=function(){var t=this.value.slice(0,64);return this.value=this.value.slice(64),new n(t)},n.prototype.shiftBytes=function(){return this.shiftArray(1)},n.prototype.shiftArray=function(t){var e=this.prefix.slice(0,64);this.prefix=this.value.slice(64);var r=this.suffix.slice(0,64*t);return this.suffix=this.suffix.slice(64*t),new n("",e,r)},e.exports=n},{}],5:[function(t,e,r){var n=function(t,e){return t.filter(function(t){return"constructor"===t.type&&t.inputs.length===e})[0]};e.exports={getConstructor:n}},{}],6:[function(t,e,r){"use strict";r.XMLHttpRequest="undefined"==typeof XMLHttpRequest?{}:XMLHttpRequest},{}],7:[function(t,e,r){var n=t("bignumber.js"),o=["wei","Kwei","Mwei","Gwei","szabo","finney","ether","grand","Mether","Gether","Tether","Pether","Eether","Zether","Yether","Nether","Dether","Vether","Uether"];e.exports={ETH_PADDING:32,ETH_SIGNATURE_LENGTH:4,ETH_UNITS:o,ETH_BIGNUMBER_ROUNDING_MODE:{ROUNDING_MODE:n.ROUND_DOWN},ETH_POLLING_TIMEOUT:1e3,defaultBlock:"latest",defaultAccount:void 0}},{"bignumber.js":"bignumber.js"}],8:[function(t,e,r){var n=t("bignumber.js"),o={wei:"1",kwei:"1000",ada:"1000",mwei:"1000000",babbage:"1000000",gwei:"1000000000",shannon:"1000000000",szabo:"1000000000000",finney:"1000000000000000",ether:"1000000000000000000",kether:"1000000000000000000000",grand:"1000000000000000000000",einstein:"1000000000000000000000",mether:"1000000000000000000000000",gether:"1000000000000000000000000000",tether:"1000000000000000000000000000000"},i=function(t,e,r){return new Array(e-t.length+1).join(r?r:"0")+t},a=function(t){var e="",r=0,n=t.length;for("0x"===t.substring(0,2)&&(r=2);n>r;r+=2){var o=parseInt(t.substr(r,2),16);if(0===o)break;e+=String.fromCharCode(o)}return e},s=function(t){for(var e="",r=0;r<t.length;r++){var n=t.charCodeAt(r).toString(16);e+=n.length<2?"0"+n:n}return e},u=function(t,e){e=void 0===e?0:e;for(var r=s(t);r.length<2*e;)r+="00";return"0x"+r},c=function(t){if(-1!==t.name.indexOf("("))return t.name;var e=t.inputs.map(function(t){return t.type}).join();return t.name+"("+e+")"},l=function(t){var e=t.indexOf("(");return-1!==e?t.substr(0,e):t},p=function(t){var e=t.indexOf("(");return-1!==e?t.substr(e+1,t.length-1-(e+1)).replace(" ",""):""},f=function(t){return v(t).toNumber()},m=function(t){var e=v(t),r=e.toString(16);return e.lessThan(0)?"-0x"+r.substr(1):"0x"+r},h=function(t){if(B(t))return m(+t);if(F(t))return m(t);if(T(t))return u(JSON.stringify(t));if(I(t)){if(0===t.indexOf("-0x"))return m(t);if(!isFinite(t))return u(t)}return m(t)},d=function(t){t=t?t.toLowerCase():"ether";var e=o[t];if(void 0===e)throw new Error("This unit doesn't exists, please use the one of the following units"+JSON.stringify(o,null,2));return new n(e,10)},y=function(t,e){var r=v(t).dividedBy(d(e));return F(t)?r:r.toString(10)},g=function(t,e){var r=v(t).times(d(e));return F(t)?r:r.toString(10)},v=function(t){return t=t||0,F(t)?t:!I(t)||0!==t.indexOf("0x")&&0!==t.indexOf("-0x")?new n(t.toString(10),10):new n(t.replace("0x",""),16)},b=function(t){var e=v(t);return e.lessThan(0)?new n("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16).plus(e).plus(1):e},w=function(t){return/^0x[0-9a-f]{40}$/.test(t)},x=function(t){return/^(0x)?[0-9a-f]{40}$/.test(t)},_=function(t){return w(t)?t:/^[0-9a-f]{40}$/.test(t)?"0x"+t:"0x"+i(h(t).substr(2),40)},F=function(t){return t instanceof n||t&&t.constructor&&"BigNumber"===t.constructor.name},I=function(t){return"string"==typeof t||t&&t.constructor&&"String"===t.constructor.name},N=function(t){return"function"==typeof t},T=function(t){return"object"==typeof t},B=function(t){return"boolean"==typeof t},O=function(t){return t instanceof Array},P=function(t){try{return!!JSON.parse(t)}catch(e){return!1}};e.exports={padLeft:i,toHex:h,toDecimal:f,fromDecimal:m,toAscii:a,fromAscii:u,transformToFullName:c,extractDisplayName:l,extractTypeName:p,toWei:g,fromWei:y,toBigNumber:v,toTwosComplement:b,toAddress:_,isBigNumber:F,isStrictAddress:w,isAddress:x,isFunction:N,isString:I,isObject:T,isBoolean:B,isArray:O,isJson:P}},{"bignumber.js":"bignumber.js"}],9:[function(t,e,r){e.exports={version:"0.3.1"}},{}],10:[function(t,e,r){var n=t("./version.json"),o=t("./web3/net"),i=t("./web3/eth"),a=t("./web3/db"),s=t("./web3/shh"),u=t("./web3/watches"),c=t("./web3/filter"),l=t("./utils/utils"),p=t("./web3/formatters"),f=t("./web3/requestmanager"),m=t("./utils/config"),h=t("./web3/method"),d=t("./web3/property"),y=[new h({name:"sha3",call:"web3_sha3",params:1})],g=[new d({name:"version.client",getter:"web3_clientVersion"}),new d({name:"version.network",getter:"net_version",inputFormatter:l.toDecimal}),new d({name:"version.ethereum",getter:"eth_protocolVersion",inputFormatter:l.toDecimal}),new d({name:"version.whisper",getter:"shh_version",inputFormatter:l.toDecimal})],v=function(t,e){e.forEach(function(e){e.attachToObject(t)})},b=function(t,e){e.forEach(function(e){e.attachToObject(t)})},w={};w.providers={},w.version={},w.version.api=n.version,w.eth={},w.eth.filter=function(t,e,r,n){return t._isEvent?t(e,r):new c(t,u.eth(),n||p.outputLogFormatter)},w.shh={},w.shh.filter=function(t){return new c(t,u.shh(),p.outputPostFormatter)},w.net={},w.db={},w.setProvider=function(t){f.getInstance().setProvider(t)},w.reset=function(){f.getInstance().reset(),m.defaultBlock="latest",m.defaultAccount=void 0},w.toHex=l.toHex,w.toAscii=l.toAscii,w.fromAscii=l.fromAscii,w.toDecimal=l.toDecimal,w.fromDecimal=l.fromDecimal,w.toBigNumber=l.toBigNumber,w.toWei=l.toWei,w.fromWei=l.fromWei,w.isAddress=l.isAddress,Object.defineProperty(w.eth,"defaultBlock",{get:function(){return m.defaultBlock},set:function(t){return m.defaultBlock=t,t}}),Object.defineProperty(w.eth,"defaultAccount",{get:function(){return m.defaultAccount},set:function(t){return m.defaultAccount=t,t}}),v(w,y),b(w,g),v(w.net,o.methods),b(w.net,o.properties),v(w.eth,i.methods),b(w.eth,i.properties),v(w.db,a.methods),v(w.shh,s.methods),e.exports=w},{"./utils/config":7,"./utils/utils":8,"./version.json":9,"./web3/db":12,"./web3/eth":14,"./web3/filter":16,"./web3/formatters":17,"./web3/method":21,"./web3/net":22,"./web3/property":23,"./web3/requestmanager":25,"./web3/shh":26,"./web3/watches":27}],11:[function(t,e,r){var n=t("../web3"),o=t("../solidity/abi"),i=t("../utils/utils"),a=t("./event"),s=t("./function"),u=function(t,e){e.filter(function(t){return"function"===t.type}).map(function(e){return new s(e,t.address)}).forEach(function(e){e.attachToContract(t)})},c=function(t,e){e.filter(function(t){return"event"===t.type}).map(function(e){return new a(e,t.address)}).forEach(function(e){e.attachToContract(t)})},l=function(t){return p.bind(null,t)},p=function(t,e){if(this.address="",i.isAddress(e))this.address=e;else{e=e||{};var r=Array.prototype.slice.call(arguments,2),a=o.formatConstructorParams(t,r);e.data+=a,this.address=n.eth.sendTransaction(e)}u(this,t),c(this,t)};p.prototype.call=function(){return console.error("contract.call is deprecated"),this},p.prototype.sendTransaction=function(){return console.error("contract.sendTransact is deprecated"),this},e.exports=l},{"../solidity/abi":1,"../utils/utils":8,"../web3":10,"./event":15,"./function":18}],12:[function(t,e,r){var n=t("./method"),o=new n({name:"putString",call:"db_putString",params:3}),i=new n({name:"getString",call:"db_getString",params:2}),a=new n({name:"putHex",call:"db_putHex",params:3}),s=new n({name:"getHex",call:"db_getHex",params:2}),u=[o,i,a,s];e.exports={methods:u}},{"./method":21}],13:[function(t,e,r){e.exports={InvalidNumberOfParams:function(){return new Error("Invalid number of input parameters")},InvalidConnection:function(t){return new Error("CONNECTION ERROR: Couldn't connect to node "+t+", is it running?")},InvalidProvider:function(){return new Error("Providor not set or invalid")},InvalidResponse:function(t){var e=t&&t.error&&t.error.message?t.error.message:"Invalid JSON RPC response";return new Error(e)}}},{}],14:[function(t,e,r){"use strict";var n=t("./formatters"),o=t("../utils/utils"),i=t("./method"),a=t("./property"),s=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getBlockByHash":"eth_getBlockByNumber"},u=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getTransactionByBlockHashAndIndex":"eth_getTransactionByBlockNumberAndIndex"},c=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getUncleByBlockHashAndIndex":"eth_getUncleByBlockNumberAndIndex"},l=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getBlockTransactionCountByHash":"eth_getBlockTransactionCountByNumber"},p=function(t){return o.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getUncleCountByBlockHash":"eth_getUncleCountByBlockNumber"},f=new i({name:"getBalance",call:"eth_getBalance",params:2,inputFormatter:[o.toAddress,n.inputDefaultBlockNumberFormatter],outputFormatter:n.outputBigNumberFormatter}),m=new i({name:"getStorageAt",call:"eth_getStorageAt",params:3,inputFormatter:[null,o.toHex,n.inputDefaultBlockNumberFormatter]}),h=new i({name:"getCode",call:"eth_getCode",params:2,inputFormatter:[o.toAddress,n.inputDefaultBlockNumberFormatter]}),d=new i({name:"getBlock",call:s,params:2,inputFormatter:[n.inputBlockNumberFormatter,function(t){return!!t}],outputFormatter:n.outputBlockFormatter}),y=new i({name:"getUncle",call:c,params:2,inputFormatter:[n.inputBlockNumberFormatter,o.toHex],outputFormatter:n.outputBlockFormatter}),g=new i({name:"getCompilers",call:"eth_getCompilers",params:0}),v=new i({name:"getBlockTransactionCount",call:l,params:1,inputFormatter:[n.inputBlockNumberFormatter],outputFormatter:o.toDecimal}),b=new i({name:"getBlockUncleCount",call:p,params:1,inputFormatter:[n.inputBlockNumberFormatter],outputFormatter:o.toDecimal}),w=new i({name:"getTransaction",call:"eth_getTransactionByHash",params:1,outputFormatter:n.outputTransactionFormatter}),x=new i({name:"getTransactionFromBlock",call:u,params:2,inputFormatter:[n.inputBlockNumberFormatter,o.toHex],outputFormatter:n.outputTransactionFormatter}),_=new i({name:"getTransactionCount",call:"eth_getTransactionCount",params:2,inputFormatter:[null,n.inputDefaultBlockNumberFormatter],outputFormatter:o.toDecimal}),F=new i({name:"sendTransaction",call:"eth_sendTransaction",params:1,inputFormatter:[n.inputTransactionFormatter]}),I=new i({name:"call",call:"eth_call",params:2,inputFormatter:[n.inputTransactionFormatter,n.inputDefaultBlockNumberFormatter]}),N=new i({name:"compile.solidity",call:"eth_compileSolidity",params:1}),T=new i({name:"compile.lll",call:"eth_compileLLL",params:1}),B=new i({name:"compile.serpent",call:"eth_compileSerpent",params:1}),O=[f,m,h,d,y,g,v,b,w,x,_,I,F,N,T,B],P=[new a({name:"coinbase",getter:"eth_coinbase"}),new a({name:"mining",getter:"eth_mining"}),new a({name:"gasPrice",getter:"eth_gasPrice",outputFormatter:n.outputBigNumberFormatter}),new a({name:"accounts",getter:"eth_accounts"}),new a({name:"blockNumber",getter:"eth_blockNumber",outputFormatter:o.toDecimal})];e.exports={methods:O,properties:P}},{"../utils/utils":8,"./formatters":17,"./method":21,"./property":23}],15:[function(t,e,r){var n=t("../utils/utils"),o=t("../solidity/coder"),i=t("../web3"),a=t("./formatters"),s=function(t,e){this._params=t.inputs,this._name=n.transformToFullName(t),this._address=e,this._anonymous=t.anonymous};s.prototype.types=function(t){return this._params.filter(function(e){return e.indexed===t}).map(function(t){return t.type})},s.prototype.displayName=function(){return n.extractDisplayName(this._name)},s.prototype.typeName=function(){return n.extractTypeName(this._name)},s.prototype.signature=function(){return i.sha3(i.fromAscii(this._name)).slice(2)},s.prototype.encode=function(t,e){t=t||{},e=e||{};var r={};["fromBlock","toBlock"].filter(function(t){return void 0!==e[t]}).forEach(function(t){r[t]=n.toHex(e[t])}),r.topics=[],this._anonymous||(r.address=this._address,r.topics.push("0x"+this.signature()));var i=this._params.filter(function(t){return t.indexed===!0}).map(function(e){var r=t[e.name];return void 0===r||null===r?null:n.isArray(r)?r.map(function(t){return"0x"+o.encodeParam(e.type,t)}):"0x"+o.encodeParam(e.type,r)});return r.topics=r.topics.concat(i),r},s.prototype.decode=function(t){t.data=t.data||"",t.topics=t.topics||[];var e=this._anonymous?t.topics:t.topics.slice(1),r=e.map(function(t){return t.slice(2)}).join(""),n=o.decodeParams(this.types(!0),r),i=t.data.slice(2),s=o.decodeParams(this.types(!1),i),u=a.outputLogFormatter(t);return u.event=this.displayName(),u.address=t.address,u.args=this._params.reduce(function(t,e){return t[e.name]=e.indexed?n.shift():s.shift(),t},{}),delete u.data,delete u.topics,u},s.prototype.execute=function(t,e){var r=this.encode(t,e),n=this.decode.bind(this);return i.eth.filter(r,void 0,void 0,n)},s.prototype.attachToContract=function(t){var e=this.execute.bind(this),r=this.displayName();t[r]||(t[r]=e),t[r][this.typeName()]=this.execute.bind(this,t)},e.exports=s},{"../solidity/coder":2,"../utils/utils":8,"../web3":10,"./formatters":17}],16:[function(t,e,r){var n=t("./requestmanager"),o=t("./formatters"),i=t("../utils/utils"),a=function(t){return null===t||"undefined"==typeof t?null:(t=String(t),0===t.indexOf("0x")?t:i.fromAscii(t))},s=function(t){return i.isString(t)?t:(t=t||{},t.topics=t.topics||[],t.topics=t.topics.map(function(t){return i.isArray(t)?t.map(a):a(t)}),{topics:t.topics,to:t.to,address:t.address,fromBlock:o.inputBlockNumberFormatter(t.fromBlock),toBlock:o.inputBlockNumberFormatter(t.toBlock)})},u=function(t,e,r){var n={};e.forEach(function(t){t.attachToObject(n)}),this.options=s(t),this.implementation=n,this.callbacks=[],this.formatter=r,this.filterId=this.implementation.newFilter(this.options)};u.prototype.watch=function(t){this.callbacks.push(t);var e=this,r=function(t,r){return t?e.callbacks.forEach(function(e){e(t)}):void r.forEach(function(t){t=e.formatter?e.formatter(t):t,e.callbacks.forEach(function(e){e(null,t)})})};i.isString(this.options)||this.get(function(e,r){e&&t(e),r.forEach(function(e){t(null,e)})}),n.getInstance().startPolling({method:this.implementation.poll.call,params:[this.filterId]},this.filterId,r,this.stopWatching.bind(this))},u.prototype.stopWatching=function(){n.getInstance().stopPolling(this.filterId),this.implementation.uninstallFilter(this.filterId),this.callbacks=[]},u.prototype.get=function(t){var e=this;if(!i.isFunction(t)){var r=this.implementation.getLogs(this.filterId);return r.map(function(t){return e.formatter?e.formatter(t):t})}this.implementation.getLogs(this.filterId,function(r,n){r?t(r):t(null,n.map(function(t){return e.formatter?e.formatter(t):t}))})},e.exports=u},{"../utils/utils":8,"./formatters":17,"./requestmanager":25}],17:[function(t,e,r){var n=t("../utils/utils"),o=t("../utils/config"),i=function(t){return n.toBigNumber(t)},a=function(t){return"latest"===t||"pending"===t||"earliest"===t},s=function(t){return void 0===t?o.defaultBlock:u(t)},u=function(t){return void 0===t?void 0:a(t)?t:n.toHex(t)},c=function(t){return t.from=t.from||o.defaultAccount,t.code&&(t.data=t.code,delete t.code),["gasPrice","gas","value"].filter(function(e){return void 0!==t[e]}).forEach(function(e){t[e]=n.fromDecimal(t[e])}),t},l=function(t){return t.blockNumber=n.toDecimal(t.blockNumber),t.transactionIndex=n.toDecimal(t.transactionIndex),t.nonce=n.toDecimal(t.nonce),t.gas=n.toDecimal(t.gas),t.gasPrice=n.toBigNumber(t.gasPrice),t.value=n.toBigNumber(t.value),t},p=function(t){return t.gasLimit=n.toDecimal(t.gasLimit),t.gasUsed=n.toDecimal(t.gasUsed),t.size=n.toDecimal(t.size),t.timestamp=n.toDecimal(t.timestamp),t.number=n.toDecimal(t.number),t.difficulty=n.toBigNumber(t.difficulty),t.totalDifficulty=n.toBigNumber(t.totalDifficulty),n.isArray(t.transactions)&&t.transactions.forEach(function(t){return n.isString(t)?void 0:l(t)}),t},f=function(t){return null===t?null:(t.blockNumber=n.toDecimal(t.blockNumber),t.transactionIndex=n.toDecimal(t.transactionIndex),t.logIndex=n.toDecimal(t.logIndex),t)},m=function(t){return t.payload=n.toHex(t.payload),t.ttl=n.fromDecimal(t.ttl),t.workToProve=n.fromDecimal(t.workToProve),t.priority=n.fromDecimal(t.priority),n.isArray(t.topics)||(t.topics=t.topics?[t.topics]:[]),t.topics=t.topics.map(function(t){return n.fromAscii(t)}),t},h=function(t){return t.expiry=n.toDecimal(t.expiry),t.sent=n.toDecimal(t.sent),t.ttl=n.toDecimal(t.ttl),t.workProved=n.toDecimal(t.workProved),t.payloadRaw=t.payload,t.payload=n.toAscii(t.payload),n.isJson(t.payload)&&(t.payload=JSON.parse(t.payload)),t.topics||(t.topics=[]),t.topics=t.topics.map(function(t){return n.toAscii(t)}),t};e.exports={inputDefaultBlockNumberFormatter:s,inputBlockNumberFormatter:u,inputTransactionFormatter:c,inputPostFormatter:m,outputBigNumberFormatter:i,outputTransactionFormatter:l,outputBlockFormatter:p,outputLogFormatter:f,outputPostFormatter:h}},{"../utils/config":7,"../utils/utils":8}],18:[function(t,e,r){var n=t("../web3"),o=t("../solidity/coder"),i=t("../utils/utils"),a=function(t,e){this._inputTypes=t.inputs.map(function(t){return t.type}),this._outputTypes=t.outputs.map(function(t){return t.type}),this._constant=t.constant,this._name=i.transformToFullName(t),this._address=e};a.prototype.toPayload=function(){var t=Array.prototype.slice.call(arguments),e={};return i.isObject(t[t.length-1])&&(e=t.pop()),e.to=this._address,e.data="0x"+this.signature()+o.encodeParams(this._inputTypes,t),e},a.prototype.signature=function(){return n.sha3(n.fromAscii(this._name)).slice(2,10)},a.prototype.call=function(){var t=this.toPayload.apply(this,Array.prototype.slice.call(arguments)),e=n.eth.call(t);return o.decodeParams(this._outputTypes,e)},a.prototype.sendTransaction=function(){var t=this.toPayload.apply(this,Array.prototype.slice.call(arguments));n.eth.sendTransaction(t)},a.prototype.displayName=function(){return i.extractDisplayName(this._name)},a.prototype.typeName=function(){return i.extractTypeName(this._name)},a.prototype.execute=function(){var t=!this._constant;return t?this.sendTransaction.apply(this,Array.prototype.slice.call(arguments)):this.call.apply(this,Array.prototype.slice.call(arguments))},a.prototype.attachToContract=function(t){var e=this.execute.bind(this);e.call=this.call.bind(this),e.sendTransaction=this.sendTransaction.bind(this);var r=this.displayName();t[r]||(t[r]=e),t[r][this.typeName()]=e},e.exports=a},{"../solidity/coder":2,"../utils/utils":8,"../web3":10}],19:[function(t,e,r){"use strict";var n=t("xmlhttprequest").XMLHttpRequest,o=t("./errors"),i=function(t){this.host=t||"http://localhost:8545"};i.prototype.send=function(t){var e=new n;e.open("POST",this.host,!1);try{e.send(JSON.stringify(t))}catch(r){throw o.InvalidConnection(this.host)}return JSON.parse(e.responseText)},i.prototype.sendAsync=function(t,e){var r=new n;r.onreadystatechange=function(){4===r.readyState&&e(null,JSON.parse(r.responseText))},r.open("POST",this.host,!0);try{r.send(JSON.stringify(t))}catch(i){e(o.InvalidConnection(this.host))}},e.exports=i},{"./errors":13,xmlhttprequest:6}],20:[function(t,e,r){var n=function(){return arguments.callee._singletonInstance?arguments.callee._singletonInstance:(arguments.callee._singletonInstance=this,void(this.messageId=1))};n.getInstance=function(){var t=new n;return t},n.prototype.toPayload=function(t,e){return t||console.error("jsonrpc method should be specified!"),{jsonrpc:"2.0",method:t,params:e||[],id:this.messageId++}},n.prototype.isValidResponse=function(t){return!!t&&!t.error&&"2.0"===t.jsonrpc&&"number"==typeof t.id&&void 0!==t.result},n.prototype.toBatchPayload=function(t){var e=this;return t.map(function(t){return e.toPayload(t.method,t.params)})},e.exports=n},{}],21:[function(t,e,r){var n=t("./requestmanager"),o=t("../utils/utils"),i=t("./errors"),a=function(t){this.name=t.name,this.call=t.call,this.params=t.params||0,this.inputFormatter=t.inputFormatter,this.outputFormatter=t.outputFormatter};a.prototype.getCall=function(t){return o.isFunction(this.call)?this.call(t):this.call},a.prototype.extractCallback=function(t){return o.isFunction(t[t.length-1])?t.pop():null},a.prototype.validateArgs=function(t){if(t.length!==this.params)throw i.InvalidNumberOfParams()},a.prototype.formatInput=function(t){return this.inputFormatter?this.inputFormatter.map(function(e,r){return e?e(t[r]):t[r]}):t},a.prototype.formatOutput=function(t){return this.outputFormatter&&null!==t?this.outputFormatter(t):t},a.prototype.attachToObject=function(t){var e=this.send.bind(this);e.call=this.call;var r=this.name.split(".");r.length>1?(t[r[0]]=t[r[0]]||{},t[r[0]][r[1]]=e):t[r[0]]=e},a.prototype.toPayload=function(t){var e=this.getCall(t),r=this.extractCallback(t),n=this.formatInput(t);return this.validateArgs(n),{method:e,params:n,callback:r}},a.prototype.send=function(){var t=this.toPayload(Array.prototype.slice.call(arguments));if(t.callback){var e=this;return n.getInstance().sendAsync(t,function(r,n){t.callback(null,e.formatOutput(n))})}return this.formatOutput(n.getInstance().send(t))},e.exports=a},{"../utils/utils":8,"./errors":13,"./requestmanager":25}],22:[function(t,e,r){var n=t("../utils/utils"),o=t("./property"),i=[],a=[new o({name:"listening",getter:"net_listening"}),new o({name:"peerCount",getter:"net_peerCount",outputFormatter:n.toDecimal})];e.exports={methods:i,properties:a}},{"../utils/utils":8,"./property":23}],23:[function(t,e,r){var n=t("./requestmanager"),o=function(t){this.name=t.name,this.getter=t.getter,this.setter=t.setter,this.outputFormatter=t.outputFormatter,this.inputFormatter=t.inputFormatter};o.prototype.formatInput=function(t){return this.inputFormatter?this.inputFormatter(t):t},o.prototype.formatOutput=function(t){return this.outputFormatter&&null!==t?this.outputFormatter(t):t},o.prototype.attachToObject=function(t){var e={get:this.get.bind(this),set:this.set.bind(this)},r=this.name.split(".");r.length>1?(t[r[0]]=t[r[0]]||{},Object.defineProperty(t[r[0]],r[1],e)):Object.defineProperty(t,r[0],e)},o.prototype.get=function(){return this.formatOutput(n.getInstance().send({method:this.getter}))},o.prototype.set=function(t){return n.getInstance().send({method:this.setter,params:[this.formatInput(t)]})},e.exports=o},{"./requestmanager":25}],24:[function(t,e,r){var n=function(){};n.prototype.send=function(t){var e=navigator.qt.callMethod(JSON.stringify(t));return JSON.parse(e)},e.exports=n},{}],25:[function(t,e,r){var n=t("./jsonrpc"),o=t("../utils/utils"),i=t("../utils/config"),a=t("./errors"),s=function(t){return arguments.callee._singletonInstance?arguments.callee._singletonInstance:(arguments.callee._singletonInstance=this,this.provider=t,this.polls=[],this.timeout=null,void this.poll())};s.getInstance=function(){var t=new s;return t},s.prototype.send=function(t){if(!this.provider)return console.error(a.InvalidProvider()),null;var e=n.getInstance().toPayload(t.method,t.params),r=this.provider.send(e);if(!n.getInstance().isValidResponse(r))throw a.InvalidResponse(r);return r.result},s.prototype.sendAsync=function(t,e){if(!this.provider)return e(a.InvalidProvider());var r=n.getInstance().toPayload(t.method,t.params);this.provider.sendAsync(r,function(t,r){return t?e(t):n.getInstance().isValidResponse(r)?void e(null,r.result):e(a.InvalidResponse(r))})},s.prototype.setProvider=function(t){this.provider=t},s.prototype.startPolling=function(t,e,r,n){this.polls.push({data:t,id:e,callback:r,uninstall:n})},s.prototype.stopPolling=function(t){for(var e=this.polls.length;e--;){var r=this.polls[e];r.id===t&&this.polls.splice(e,1)}},s.prototype.reset=function(){this.polls.forEach(function(t){t.uninstall(t.id)}),this.polls=[],this.timeout&&(clearTimeout(this.timeout),this.timeout=null),this.poll()},s.prototype.poll=function(){if(this.timeout=setTimeout(this.poll.bind(this),i.ETH_POLLING_TIMEOUT),this.polls.length){if(!this.provider)return void console.error(a.InvalidProvider());var t=n.getInstance().toBatchPayload(this.polls.map(function(t){return t.data})),e=this;this.provider.sendAsync(t,function(t,r){if(!t){if(!o.isArray(r))throw a.InvalidResponse(r);r.map(function(t,r){return t.callback=e.polls[r].callback,t}).filter(function(t){var e=n.getInstance().isValidResponse(t);return e||t.callback(a.InvalidResponse(t)),e}).filter(function(t){return o.isArray(t.result)&&t.result.length>0}).forEach(function(t){t.callback(null,t.result)})}})}},e.exports=s},{"../utils/config":7,"../utils/utils":8,"./errors":13,"./jsonrpc":20}],26:[function(t,e,r){var n=t("./method"),o=t("./formatters"),i=new n({name:"post",call:"shh_post",params:1,inputFormatter:[o.inputPostFormatter]}),a=new n({name:"newIdentity",call:"shh_newIdentity",params:0}),s=new n({name:"hasIdentity",call:"shh_hasIdentity",params:1}),u=new n({name:"newGroup",call:"shh_newGroup",params:0}),c=new n({name:"addToGroup",call:"shh_addToGroup",params:0}),l=[i,a,s,u,c];e.exports={methods:l}},{"./formatters":17,"./method":21}],27:[function(t,e,r){var n=t("./method"),o=function(){var t=function(t){return"string"==typeof t[0]?"eth_newBlockFilter":"eth_newFilter"},e=new n({name:"newFilter",call:t,params:1}),r=new n({name:"uninstallFilter",call:"eth_uninstallFilter",params:1}),o=new n({name:"getLogs",call:"eth_getFilterLogs",params:1}),i=new n({name:"poll",call:"eth_getFilterChanges",params:1});return[e,r,o,i]},i=function(){var t=new n({name:"newFilter",call:"shh_newFilter",params:1}),e=new n({name:"uninstallFilter",call:"shh_uninstallFilter",params:1}),r=new n({name:"getLogs",call:"shh_getMessages",params:1}),o=new n({name:"poll",call:"shh_getFilterChanges",params:1});return[t,e,r,o]};e.exports={eth:o,shh:i}},{"./method":21}],28:[function(t,e,r){},{}],"bignumber.js":[function(t,e,r){
 "use strict";e.exports=BigNumber},{}],web3:[function(t,e,r){var n=t("./lib/web3");n.providers.HttpProvider=t("./lib/web3/httpprovider"),n.providers.QtSyncProvider=t("./lib/web3/qtsync"),n.eth.contract=t("./lib/web3/contract"),n.abi=t("./lib/solidity/abi"),"undefined"!=typeof window&&"undefined"==typeof window.web3&&(window.web3=n),e.exports=n},{"./lib/solidity/abi":1,"./lib/web3":10,"./lib/web3/contract":11,"./lib/web3/httpprovider":19,"./lib/web3/qtsync":24}]},{},["web3"]);
\ No newline at end of file
diff --git a/dist/web3.js b/dist/web3.js
index e349398..a7852a3 100644
--- a/dist/web3.js
+++ b/dist/web3.js
@@ -1361,7 +1361,7 @@ module.exports = {
 
 },{"bignumber.js":"bignumber.js"}],9:[function(require,module,exports){
 module.exports={
-    "version": "0.3.0"
+    "version": "0.3.1"
 }
 
 },{}],10:[function(require,module,exports){
diff --git a/dist/web3.js.map b/dist/web3.js.map
index a46d5f1..6b2e87d 100644
--- a/dist/web3.js.map
+++ b/dist/web3.js.map
@@ -47,7 +47,7 @@
     "'use strict';\n\n// go env doesn't have and need XMLHttpRequest\nif (typeof XMLHttpRequest === 'undefined') {\n    exports.XMLHttpRequest = {};\n} else {\n    exports.XMLHttpRequest = XMLHttpRequest; // jshint ignore:line\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 config.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\n/**\n * Utils\n * \n * @module utils\n */\n\n/**\n * Utility functions\n * \n * @class [utils] config\n * @constructor\n */\n\n/// required to define ETH_BIGNUMBER_ROUNDING_MODE\nvar BigNumber = require('bignumber.js');\n\nvar ETH_UNITS = [ \n    'wei', \n    'Kwei', \n    'Mwei', \n    'Gwei', \n    'szabo', \n    'finney', \n    'ether', \n    'grand', \n    'Mether', \n    'Gether', \n    'Tether', \n    'Pether', \n    'Eether', \n    'Zether', \n    'Yether', \n    'Nether', \n    'Dether', \n    'Vether', \n    'Uether' \n];\n\nmodule.exports = {\n    ETH_PADDING: 32,\n    ETH_SIGNATURE_LENGTH: 4,\n    ETH_UNITS: ETH_UNITS,\n    ETH_BIGNUMBER_ROUNDING_MODE: { ROUNDING_MODE: BigNumber.ROUND_DOWN },\n    ETH_POLLING_TIMEOUT: 1000,\n    defaultBlock: 'latest',\n    defaultAccount: undefined\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/** \n * @file utils.js\n * @author Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\n/**\n * Utils\n * \n * @module utils\n */\n\n/**\n * Utility functions\n * \n * @class [utils] utils\n * @constructor\n */\n\nvar BigNumber = require('bignumber.js');\n\nvar unitMap = {\n    'wei':      '1',\n    'kwei':     '1000',\n    'ada':      '1000',\n    'mwei':     '1000000',\n    'babbage':  '1000000',\n    'gwei':     '1000000000',\n    'shannon':  '1000000000',\n    'szabo':    '1000000000000',\n    'finney':   '1000000000000000',\n    'ether':    '1000000000000000000',\n    'kether':   '1000000000000000000000',\n    'grand':    '1000000000000000000000',\n    'einstein': '1000000000000000000000',\n    'mether':   '1000000000000000000000000',\n    'gether':   '1000000000000000000000000000',\n    'tether':   '1000000000000000000000000000000'\n};\n\n/**\n * Should be called to pad string to expected length\n *\n * @method padLeft\n * @param {String} string to be padded\n * @param {Number} characters that result string should have\n * @param {String} sign, by default 0\n * @returns {String} right aligned string\n */\nvar padLeft = function (string, chars, sign) {\n    return new Array(chars - string.length + 1).join(sign ? sign : \"0\") + string;\n};\n\n/** \n * Should be called to get sting from it's hex representation\n *\n * @method toAscii\n * @param {String} string in hex\n * @returns {String} ascii string representation of hex value\n */\nvar toAscii = function(hex) {\n// Find termination\n    var str = \"\";\n    var i = 0, l = hex.length;\n    if (hex.substring(0, 2) === '0x') {\n        i = 2;\n    }\n    for (; i < l; i+=2) {\n        var code = parseInt(hex.substr(i, 2), 16);\n        if (code === 0) {\n            break;\n        }\n\n        str += String.fromCharCode(code);\n    }\n\n    return str;\n};\n    \n/**\n * Shold be called to get hex representation (prefixed by 0x) of ascii string \n *\n * @method toHexNative\n * @param {String} string\n * @returns {String} hex representation of input string\n */\nvar toHexNative = function(str) {\n    var hex = \"\";\n    for(var i = 0; i < str.length; i++) {\n        var n = str.charCodeAt(i).toString(16);\n        hex += n.length < 2 ? '0' + n : n;\n    }\n\n    return hex;\n};\n\n/**\n * Shold be called to get hex representation (prefixed by 0x) of ascii string \n *\n * @method fromAscii\n * @param {String} string\n * @param {Number} optional padding\n * @returns {String} hex representation of input string\n */\nvar fromAscii = function(str, pad) {\n    pad = pad === undefined ? 0 : pad;\n    var hex = toHexNative(str);\n    while (hex.length < pad*2)\n        hex += \"00\";\n    return \"0x\" + hex;\n};\n\n/**\n * Should be used to create full function/event name from json abi\n *\n * @method transformToFullName\n * @param {Object} json-abi\n * @return {String} full fnction/event name\n */\nvar transformToFullName = function (json) {\n    if (json.name.indexOf('(') !== -1) {\n        return json.name;\n    }\n\n    var typeName = json.inputs.map(function(i){return i.type; }).join();\n    return json.name + '(' + typeName + ')';\n};\n\n/**\n * Should be called to get display name of contract function\n * \n * @method extractDisplayName\n * @param {String} name of function/event\n * @returns {String} display name for function/event eg. multiply(uint256) -> multiply\n */\nvar extractDisplayName = function (name) {\n    var length = name.indexOf('('); \n    return length !== -1 ? name.substr(0, length) : name;\n};\n\n/// @returns overloaded part of function/event name\nvar extractTypeName = function (name) {\n    /// TODO: make it invulnerable\n    var length = name.indexOf('(');\n    return length !== -1 ? name.substr(length + 1, name.length - 1 - (length + 1)).replace(' ', '') : \"\";\n};\n\n/**\n * Converts value to it's decimal representation in string\n *\n * @method toDecimal\n * @param {String|Number|BigNumber}\n * @return {String}\n */\nvar toDecimal = function (value) {\n    return toBigNumber(value).toNumber();\n};\n\n/**\n * Converts value to it's hex representation\n *\n * @method fromDecimal\n * @param {String|Number|BigNumber}\n * @return {String}\n */\nvar fromDecimal = function (value) {\n    var number = toBigNumber(value);\n    var result = number.toString(16);\n\n    return number.lessThan(0) ? '-0x' + result.substr(1) : '0x' + result;\n};\n\n/**\n * Auto converts any given value into it's hex representation.\n *\n * And even stringifys objects before.\n *\n * @method toHex\n * @param {String|Number|BigNumber|Object}\n * @return {String}\n */\nvar toHex = function (val) {\n    /*jshint maxcomplexity:7 */\n\n    if (isBoolean(val))\n        return fromDecimal(+val);\n\n    if (isBigNumber(val))\n        return fromDecimal(val);\n\n    if (isObject(val))\n        return fromAscii(JSON.stringify(val));\n\n    // if its a negative number, pass it through fromDecimal\n    if (isString(val)) {\n        if (val.indexOf('-0x') === 0)\n           return fromDecimal(val);\n        else if (!isFinite(val))\n            return fromAscii(val);\n    }\n\n    return fromDecimal(val);\n};\n\n/**\n * Returns value of unit in Wei\n *\n * @method getValueOfUnit\n * @param {String} unit the unit to convert to, default ether\n * @returns {BigNumber} value of the unit (in Wei)\n * @throws error if the unit is not correct:w\n */\nvar getValueOfUnit = function (unit) {\n    unit = unit ? unit.toLowerCase() : 'ether';\n    var unitValue = unitMap[unit];\n    if (unitValue === undefined) {\n        throw new Error('This unit doesn\\'t exists, please use the one of the following units' + JSON.stringify(unitMap, null, 2));\n    }\n    return new BigNumber(unitValue, 10);\n};\n\n/**\n * Takes a number of wei and converts it to any other ether unit.\n *\n * Possible units are:\n * - kwei/ada\n * - mwei/babbage\n * - gwei/shannon\n * - szabo\n * - finney\n * - ether\n * - kether/grand/einstein\n * - mether\n * - gether\n * - tether\n *\n * @method fromWei\n * @param {Number|String} number can be a number, number string or a HEX of a decimal\n * @param {String} unit the unit to convert to, default ether\n * @return {String|Object} When given a BigNumber object it returns one as well, otherwise a number\n*/\nvar fromWei = function(number, unit) {\n    var returnValue = toBigNumber(number).dividedBy(getValueOfUnit(unit));\n\n    return isBigNumber(number) ? returnValue : returnValue.toString(10); \n};\n\n/**\n * Takes a number of a unit and converts it to wei.\n *\n * Possible units are:\n * - kwei/ada\n * - mwei/babbage\n * - gwei/shannon\n * - szabo\n * - finney\n * - ether\n * - kether/grand/einstein\n * - mether\n * - gether\n * - tether\n *\n * @method toWei\n * @param {Number|String|BigNumber} number can be a number, number string or a HEX of a decimal\n * @param {String} unit the unit to convert from, default ether\n * @return {String|Object} When given a BigNumber object it returns one as well, otherwise a number\n*/\nvar toWei = function(number, unit) {\n    var returnValue = toBigNumber(number).times(getValueOfUnit(unit));\n\n    return isBigNumber(number) ? returnValue : returnValue.toString(10); \n};\n\n/**\n * Takes an input and transforms it into an bignumber\n *\n * @method toBigNumber\n * @param {Number|String|BigNumber} a number, string, HEX string or BigNumber\n * @return {BigNumber} BigNumber\n*/\nvar toBigNumber = function(number) {\n    /*jshint maxcomplexity:5 */\n    number = number || 0;\n    if (isBigNumber(number))\n        return number;\n\n    if (isString(number) && (number.indexOf('0x') === 0 || number.indexOf('-0x') === 0)) {\n        return new BigNumber(number.replace('0x',''), 16);\n    }\n   \n    return new BigNumber(number.toString(10), 10);\n};\n\n/**\n * Takes and input transforms it into bignumber and if it is negative value, into two's complement\n *\n * @method toTwosComplement\n * @param {Number|String|BigNumber}\n * @return {BigNumber}\n */\nvar toTwosComplement = function (number) {\n    var bigNumber = toBigNumber(number);\n    if (bigNumber.lessThan(0)) {\n        return new BigNumber(\"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\", 16).plus(bigNumber).plus(1);\n    }\n    return bigNumber;\n};\n\n/**\n * Checks if the given string is strictly an address\n *\n * @method isStrictAddress\n * @param {String} address the given HEX adress\n * @return {Boolean}\n*/\nvar isStrictAddress = function (address) {\n    return /^0x[0-9a-f]{40}$/.test(address);\n};\n\n/**\n * Checks if the given string is an address\n *\n * @method isAddress\n * @param {String} address the given HEX adress\n * @return {Boolean}\n*/\nvar isAddress = function (address) {\n    return /^(0x)?[0-9a-f]{40}$/.test(address);\n};\n\n/**\n * Transforms given string to valid 20 bytes-length addres with 0x prefix\n *\n * @method toAddress\n * @param {String} address\n * @return {String} formatted address\n */\nvar toAddress = function (address) {\n    if (isStrictAddress(address)) {\n        return address;\n    }\n    \n    if (/^[0-9a-f]{40}$/.test(address)) {\n        return '0x' + address;\n    }\n\n    return '0x' + padLeft(toHex(address).substr(2), 40);\n};\n\n/**\n * Returns true if object is BigNumber, otherwise false\n *\n * @method isBigNumber\n * @param {Object}\n * @return {Boolean} \n */\nvar isBigNumber = function (object) {\n    return object instanceof BigNumber ||\n        (object && object.constructor && object.constructor.name === 'BigNumber');\n};\n\n/**\n * Returns true if object is string, otherwise false\n * \n * @method isString\n * @param {Object}\n * @return {Boolean}\n */\nvar isString = function (object) {\n    return typeof object === 'string' ||\n        (object && object.constructor && object.constructor.name === 'String');\n};\n\n/**\n * Returns true if object is function, otherwise false\n *\n * @method isFunction\n * @param {Object}\n * @return {Boolean}\n */\nvar isFunction = function (object) {\n    return typeof object === 'function';\n};\n\n/**\n * Returns true if object is Objet, otherwise false\n *\n * @method isObject\n * @param {Object}\n * @return {Boolean}\n */\nvar isObject = function (object) {\n    return typeof object === 'object';\n};\n\n/**\n * Returns true if object is boolean, otherwise false\n *\n * @method isBoolean\n * @param {Object}\n * @return {Boolean}\n */\nvar isBoolean = function (object) {\n    return typeof object === 'boolean';\n};\n\n/**\n * Returns true if object is array, otherwise false\n *\n * @method isArray\n * @param {Object}\n * @return {Boolean}\n */\nvar isArray = function (object) {\n    return object instanceof Array; \n};\n\n/**\n * Returns true if given string is valid json object\n * \n * @method isJson\n * @param {String}\n * @return {Boolean}\n */\nvar isJson = function (str) {\n    try {\n        return !!JSON.parse(str);\n    } catch (e) {\n        return false;\n    }\n};\n\nmodule.exports = {\n    padLeft: padLeft,\n    toHex: toHex,\n    toDecimal: toDecimal,\n    fromDecimal: fromDecimal,\n    toAscii: toAscii,\n    fromAscii: fromAscii,\n    transformToFullName: transformToFullName,\n    extractDisplayName: extractDisplayName,\n    extractTypeName: extractTypeName,\n    toWei: toWei,\n    fromWei: fromWei,\n    toBigNumber: toBigNumber,\n    toTwosComplement: toTwosComplement,\n    toAddress: toAddress,\n    isBigNumber: isBigNumber,\n    isStrictAddress: isStrictAddress,\n    isAddress: isAddress,\n    isFunction: isFunction,\n    isString: isString,\n    isObject: isObject,\n    isBoolean: isBoolean,\n    isArray: isArray,\n    isJson: isJson\n};\n\n",
-    "module.exports={\n    \"version\": \"0.3.0\"\n}\n",
+    "module.exports={\n    \"version\": \"0.3.1\"\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 web3.js\n * @authors:\n *   Jeffrey Wilcke <jeff@ethdev.com>\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n *   Fabian Vogelsteller <fabian@ethdev.com>\n *   Gav Wood <g@ethdev.com>\n * @date 2014\n */\n\nvar version = require('./version.json');\nvar net = require('./web3/net');\nvar eth = require('./web3/eth');\nvar db = require('./web3/db');\nvar shh = require('./web3/shh');\nvar watches = require('./web3/watches');\nvar Filter = require('./web3/filter');\nvar utils = require('./utils/utils');\nvar formatters = require('./web3/formatters');\nvar RequestManager = require('./web3/requestmanager');\nvar c = require('./utils/config');\nvar Method = require('./web3/method');\nvar Property = require('./web3/property');\n\nvar web3Methods = [\n    new Method({\n        name: 'sha3',\n        call: 'web3_sha3',\n        params: 1\n    })\n];\n\nvar web3Properties = [\n    new Property({\n        name: 'version.client',\n        getter: 'web3_clientVersion'\n    }),\n    new Property({\n        name: 'version.network',\n        getter: 'net_version',\n        inputFormatter: utils.toDecimal\n    }),\n    new Property({\n        name: 'version.ethereum',\n        getter: 'eth_protocolVersion',\n        inputFormatter: utils.toDecimal\n    }),\n    new Property({\n        name: 'version.whisper',\n        getter: 'shh_version',\n        inputFormatter: utils.toDecimal\n    })\n];\n\n/// creates methods in a given object based on method description on input\n/// setups api calls for these methods\nvar setupMethods = function (obj, methods) {\n    methods.forEach(function (method) {\n        method.attachToObject(obj);\n    });\n};\n\n/// creates properties in a given object based on properties description on input\n/// setups api calls for these properties\nvar setupProperties = function (obj, properties) {\n    properties.forEach(function (property) {\n        property.attachToObject(obj);\n    });\n};\n\n/// setups web3 object, and it's in-browser executed methods\nvar web3 = {};\nweb3.providers = {};\nweb3.version = {};\nweb3.version.api = version.version;\nweb3.eth = {};\n\n/*jshint maxparams:4 */\nweb3.eth.filter = function (fil, eventParams, options, formatter) {\n\n    // if its event, treat it differently\n    // TODO: simplify and remove\n    if (fil._isEvent) {\n        return fil(eventParams, options);\n    }\n\n    // what outputLogFormatter? that's wrong\n    //return new Filter(fil, watches.eth(), formatters.outputLogFormatter);\n    return new Filter(fil, watches.eth(), formatter || formatters.outputLogFormatter);\n};\n/*jshint maxparams:3 */\n\nweb3.shh = {};\nweb3.shh.filter = function (fil) {\n    return new Filter(fil, watches.shh(), formatters.outputPostFormatter);\n};\nweb3.net = {};\nweb3.db = {};\nweb3.setProvider = function (provider) {\n    RequestManager.getInstance().setProvider(provider);\n};\nweb3.reset = function () {\n    RequestManager.getInstance().reset();\n    c.defaultBlock = 'latest';\n    c.defaultAccount = undefined;\n};\nweb3.toHex = utils.toHex;\nweb3.toAscii = utils.toAscii;\nweb3.fromAscii = utils.fromAscii;\nweb3.toDecimal = utils.toDecimal;\nweb3.fromDecimal = utils.fromDecimal;\nweb3.toBigNumber = utils.toBigNumber;\nweb3.toWei = utils.toWei;\nweb3.fromWei = utils.fromWei;\nweb3.isAddress = utils.isAddress;\n\n// ADD defaultblock\nObject.defineProperty(web3.eth, 'defaultBlock', {\n    get: function () {\n        return c.defaultBlock;\n    },\n    set: function (val) {\n        c.defaultBlock = val;\n        return val;\n    }\n});\n\nObject.defineProperty(web3.eth, 'defaultAccount', {\n    get: function () {\n        return c.defaultAccount;\n    },\n    set: function (val) {\n        c.defaultAccount = val;\n        return val;\n    }\n});\n\n/// setups all api methods\nsetupMethods(web3, web3Methods);\nsetupProperties(web3, web3Properties);\nsetupMethods(web3.net, net.methods);\nsetupProperties(web3.net, net.properties);\nsetupMethods(web3.eth, eth.methods);\nsetupProperties(web3.eth, eth.properties);\nsetupMethods(web3.db, db.methods);\nsetupMethods(web3.shh, shh.methods);\n\nmodule.exports = web3;\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/** \n * @file contract.js\n * @author Marek Kotewicz <marek@ethdev.com>\n * @date 2014\n */\n\nvar web3 = require('../web3'); \nvar solAbi = require('../solidity/abi');\nvar utils = require('../utils/utils');\nvar SolidityEvent = require('./event');\nvar SolidityFunction = require('./function');\n\nvar addFunctionsToContract = function (contract, desc) {\n    desc.filter(function (json) {\n        return json.type === 'function';\n    }).map(function (json) {\n        return new SolidityFunction(json, contract.address);\n    }).forEach(function (f) {\n        f.attachToContract(contract);\n    });\n};\n\nvar addEventsToContract = function (contract, desc) {\n    desc.filter(function (json) {\n        return json.type === 'event';\n    }).map(function (json) {\n        return new SolidityEvent(json, contract.address);\n    }).forEach(function (e) {\n        e.attachToContract(contract);\n    });\n};\n\n/**\n * This method should be called when we want to call / transact some solidity method from javascript\n * it returns an object which has same methods available as solidity contract description\n * usage example: \n *\n * var abi = [{\n *      name: 'myMethod',\n *      inputs: [{ name: 'a', type: 'string' }],\n *      outputs: [{name: 'd', type: 'string' }]\n * }];  // contract abi\n *\n * var MyContract = web3.eth.contract(abi); // creation of contract prototype\n *\n * var contractInstance = new MyContract('0x0123123121');\n *\n * contractInstance.myMethod('this is test string param for call'); // myMethod call (implicit, default)\n * contractInstance.call().myMethod('this is test string param for call'); // myMethod call (explicit)\n * contractInstance.sendTransaction().myMethod('this is test string param for transact'); // myMethod sendTransaction\n *\n * @param abi - abi json description of the contract, which is being created\n * @returns contract object\n */\nvar contract = function (abi) {\n\n    // return prototype\n    return Contract.bind(null, abi);\n};\n\nvar Contract = function (abi, options) {\n\n    this.address = '';\n    if (utils.isAddress(options)) {\n        this.address = options;\n    } else { // is an object!\n        // TODO, parse the rest of the args\n        options = options || {};\n        var args = Array.prototype.slice.call(arguments, 2);\n        var bytes = solAbi.formatConstructorParams(abi, args);\n        options.data += bytes;\n        this.address = web3.eth.sendTransaction(options);\n    }\n\n    addFunctionsToContract(this, abi);\n    addEventsToContract(this, abi);\n};\n\nContract.prototype.call = function () {\n    console.error('contract.call is deprecated');\n    return this;\n};\n\nContract.prototype.sendTransaction = function () {\n    console.error('contract.sendTransact is deprecated');\n    return this;\n};\n\nmodule.exports = contract;\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 db.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nvar Method = require('./method');\n\nvar putString = new Method({\n    name: 'putString',\n    call: 'db_putString',\n    params: 3\n});\n\n\nvar getString = new Method({\n    name: 'getString',\n    call: 'db_getString',\n    params: 2\n});\n\nvar putHex = new Method({\n    name: 'putHex',\n    call: 'db_putHex',\n    params: 3\n});\n\nvar getHex = new Method({\n    name: 'getHex',\n    call: 'db_getHex',\n    params: 2\n});\n\nvar methods = [\n    putString, getString, putHex, getHex\n];\n\nmodule.exports = {\n    methods: methods\n};\n",
diff --git a/dist/web3.min.js b/dist/web3.min.js
index 774c858..ae5da11 100644
--- a/dist/web3.min.js
+++ b/dist/web3.min.js
@@ -1,2 +1,2 @@
-require=function t(e,n,r){function i(a,s){if(!n[a]){if(!e[a]){var u="function"==typeof require&&require;if(!s&&u)return u(a,!0);if(o)return o(a,!0);var c=new Error("Cannot find module '"+a+"'");throw c.code="MODULE_NOT_FOUND",c}var l=n[a]={exports:{}};e[a][0].call(l.exports,function(t){var n=e[a][1][t];return i(n?n:t)},l,l.exports,t,e,n,r)}return n[a].exports}for(var o="function"==typeof require&&require,a=0;a<r.length;a++)i(r[a]);return i}({1:[function(t,e,n){var r=t("../utils/utils"),i=t("./coder"),o=t("./utils"),a=function(t,e){var n=t.map(function(t){return t.type});return i.encodeParams(n,e)},s=function(t,e){var n=t.map(function(t){return t.type});return i.decodeParams(n,e)},u=function(t){var e={};return t.forEach(function(t){var n=r.extractDisplayName(t.name),i=r.extractTypeName(t.name),o=function(){var e=Array.prototype.slice.call(arguments);return a(t.inputs,e)};void 0===e[n]&&(e[n]=o),e[n][i]=o}),e},c=function(t){var e={};return t.forEach(function(t){var n=r.extractDisplayName(t.name),i=r.extractTypeName(t.name),o=function(e){return s(t.outputs,e)};void 0===e[n]&&(e[n]=o),e[n][i]=o}),e},l=function(t,e){var n=o.getConstructor(t,e.length);return n?a(n.inputs,e):(e.length>0&&console.warn("didn't found matching constructor, using default one"),"")};e.exports={inputParser:u,outputParser:c,formatInput:a,formatOutput:s,formatConstructorParams:l}},{"../utils/utils":8,"./coder":2,"./utils":5}],2:[function(t,e,n){var r=t("bignumber.js"),i=t("../utils/utils"),o=t("./formatters"),a=t("./param"),s=function(t){return"[]"===t.slice(-2)},u=function(t){this._name=t.name,this._match=t.match,this._mode=t.mode,this._inputFormatter=t.inputFormatter,this._outputFormatter=t.outputFormatter};u.prototype.isType=function(t){return"strict"===this._match?this._name===t||0===t.indexOf(this._name)&&"[]"===t.slice(this._name.length):"prefix"===this._match?0===t.indexOf(this._name):void 0},u.prototype.formatInput=function(t,e){if(i.isArray(t)&&e){var n=this;return t.map(function(t){return n._inputFormatter(t)}).reduce(function(t,e){return t.appendArrayElement(e),t},new a("",o.formatInputInt(t.length).value))}return this._inputFormatter(t)},u.prototype.formatOutput=function(t,e){if(e){for(var n=[],i=new r(t.prefix,16),o=0;64*i>o;o+=64)n.push(this._outputFormatter(new a(t.suffix.slice(o,o+64))));return n}return this._outputFormatter(t)},u.prototype.isVariadicType=function(t){return s(t)||"bytes"===this._mode},u.prototype.shiftParam=function(t,e){if("bytes"===this._mode)return e.shiftBytes();if(s(t)){var n=new r(e.prefix.slice(0,64),16);return e.shiftArray(n)}return e.shiftValue()};var c=function(t){this._types=t};c.prototype._requireType=function(t){var e=this._types.filter(function(e){return e.isType(t)})[0];if(!e)throw Error("invalid solidity type!: "+t);return e},c.prototype._bytesToParam=function(t,e){var n=this,r=t.reduce(function(t,e){return n._requireType(e).isVariadicType(e)?t+1:t},0),i=t.length-r,o=e.slice(0,64*r);e=e.slice(64*r);var s=e.slice(0,64*i),u=e.slice(64*i);return new a(s,o,u)},c.prototype._formatInput=function(t,e){return this._requireType(t).formatInput(e,s(t))},c.prototype.encodeParam=function(t,e){return this._formatInput(t,e).encode()},c.prototype.encodeParams=function(t,e){var n=this;return t.map(function(t,r){return n._formatInput(t,e[r])}).reduce(function(t,e){return t.append(e),t},new a).encode()},c.prototype._formatOutput=function(t,e){return this._requireType(t).formatOutput(e,s(t))},c.prototype.decodeParam=function(t,e){return this._formatOutput(t,this._bytesToParam([t],e))},c.prototype.decodeParams=function(t,e){var n=this,r=this._bytesToParam(t,e);return t.map(function(t){var e=n._requireType(t),i=e.shiftParam(t,r);return e.formatOutput(i,s(t))})};var l=new c([new u({name:"address",match:"strict",mode:"value",inputFormatter:o.formatInputInt,outputFormatter:o.formatOutputAddress}),new u({name:"bool",match:"strict",mode:"value",inputFormatter:o.formatInputBool,outputFormatter:o.formatOutputBool}),new u({name:"int",match:"prefix",mode:"value",inputFormatter:o.formatInputInt,outputFormatter:o.formatOutputInt}),new u({name:"uint",match:"prefix",mode:"value",inputFormatter:o.formatInputInt,outputFormatter:o.formatOutputUInt}),new u({name:"bytes",match:"prefix",mode:"bytes",inputFormatter:o.formatInputBytes,outputFormatter:o.formatOutputBytes}),new u({name:"real",match:"prefix",mode:"value",inputFormatter:o.formatInputReal,outputFormatter:o.formatOutputReal}),new u({name:"ureal",match:"prefix",mode:"value",inputFormatter:o.formatInputReal,outputFormatter:o.formatOutputUReal})]);e.exports=l},{"../utils/utils":8,"./formatters":3,"./param":4,"bignumber.js":"bignumber.js"}],3:[function(t,e,n){var r=t("bignumber.js"),i=t("../utils/utils"),o=t("../utils/config"),a=t("./param"),s=function(t){var e=2*o.ETH_PADDING;r.config(o.ETH_BIGNUMBER_ROUNDING_MODE);var n=i.padLeft(i.toTwosComplement(t).round().toString(16),e);return new a(n)},u=function(t){var e=i.fromAscii(t,o.ETH_PADDING).substr(2);return new a("",s(t.length).value,e)},c=function(t){var e="000000000000000000000000000000000000000000000000000000000000000"+(t?"1":"0");return new a(e)},l=function(t){return s(new r(t).times(new r(2).pow(128)))},f=function(t){return"1"===new r(t.substr(0,1),16).toString(2).substr(0,1)},p=function(t){var e=t.value||"0";return f(e)?new r(e,16).minus(new r("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16)).minus(1):new r(e,16)},m=function(t){var e=t.value||"0";return new r(e,16)},h=function(t){return p(t).dividedBy(new r(2).pow(128))},d=function(t){return m(t).dividedBy(new r(2).pow(128))},g=function(t){return"0000000000000000000000000000000000000000000000000000000000000001"===t.value?!0:!1},y=function(t){return i.toAscii(t.suffix)},v=function(t){var e=t.value;return"0x"+e.slice(e.length-40,e.length)};e.exports={formatInputInt:s,formatInputBytes:u,formatInputBool:c,formatInputReal:l,formatOutputInt:p,formatOutputUInt:m,formatOutputReal:h,formatOutputUReal:d,formatOutputBool:g,formatOutputBytes:y,formatOutputAddress:v}},{"../utils/config":7,"../utils/utils":8,"./param":4,"bignumber.js":"bignumber.js"}],4:[function(t,e,n){var r=function(t,e,n){this.prefix=e||"",this.value=t||"",this.suffix=n||""};r.prototype.append=function(t){this.prefix+=t.prefix,this.value+=t.value,this.suffix+=t.suffix},r.prototype.appendArrayElement=function(t){this.suffix+=t.value,this.prefix+=t.prefix},r.prototype.encode=function(){return this.prefix+this.value+this.suffix},r.prototype.shiftValue=function(){var t=this.value.slice(0,64);return this.value=this.value.slice(64),new r(t)},r.prototype.shiftBytes=function(){return this.shiftArray(1)},r.prototype.shiftArray=function(t){var e=this.prefix.slice(0,64);this.prefix=this.value.slice(64);var n=this.suffix.slice(0,64*t);return this.suffix=this.suffix.slice(64*t),new r("",e,n)},e.exports=r},{}],5:[function(t,e,n){var r=function(t,e){return t.filter(function(t){return"constructor"===t.type&&t.inputs.length===e})[0]};e.exports={getConstructor:r}},{}],6:[function(t,e,n){"use strict";n.XMLHttpRequest="undefined"==typeof XMLHttpRequest?{}:XMLHttpRequest},{}],7:[function(t,e,n){var r=t("bignumber.js"),i=["wei","Kwei","Mwei","Gwei","szabo","finney","ether","grand","Mether","Gether","Tether","Pether","Eether","Zether","Yether","Nether","Dether","Vether","Uether"];e.exports={ETH_PADDING:32,ETH_SIGNATURE_LENGTH:4,ETH_UNITS:i,ETH_BIGNUMBER_ROUNDING_MODE:{ROUNDING_MODE:r.ROUND_DOWN},ETH_POLLING_TIMEOUT:1e3,defaultBlock:"latest",defaultAccount:void 0}},{"bignumber.js":"bignumber.js"}],8:[function(t,e,n){var r=t("bignumber.js"),i={wei:"1",kwei:"1000",ada:"1000",mwei:"1000000",babbage:"1000000",gwei:"1000000000",shannon:"1000000000",szabo:"1000000000000",finney:"1000000000000000",ether:"1000000000000000000",kether:"1000000000000000000000",grand:"1000000000000000000000",einstein:"1000000000000000000000",mether:"1000000000000000000000000",gether:"1000000000000000000000000000",tether:"1000000000000000000000000000000"},o=function(t,e,n){return new Array(e-t.length+1).join(n?n:"0")+t},a=function(t){var e="",n=0,r=t.length;for("0x"===t.substring(0,2)&&(n=2);r>n;n+=2){var i=parseInt(t.substr(n,2),16);if(0===i)break;e+=String.fromCharCode(i)}return e},s=function(t){for(var e="",n=0;n<t.length;n++){var r=t.charCodeAt(n).toString(16);e+=r.length<2?"0"+r:r}return e},u=function(t,e){e=void 0===e?0:e;for(var n=s(t);n.length<2*e;)n+="00";return"0x"+n},c=function(t){if(-1!==t.name.indexOf("("))return t.name;var e=t.inputs.map(function(t){return t.type}).join();return t.name+"("+e+")"},l=function(t){var e=t.indexOf("(");return-1!==e?t.substr(0,e):t},f=function(t){var e=t.indexOf("(");return-1!==e?t.substr(e+1,t.length-1-(e+1)).replace(" ",""):""},p=function(t){return v(t).toNumber()},m=function(t){var e=v(t),n=e.toString(16);return e.lessThan(0)?"-0x"+n.substr(1):"0x"+n},h=function(t){if(T(t))return m(+t);if(F(t))return m(t);if(O(t))return u(JSON.stringify(t));if(N(t)){if(0===t.indexOf("-0x"))return m(t);if(!isFinite(t))return u(t)}return m(t)},d=function(t){t=t?t.toLowerCase():"ether";var e=i[t];if(void 0===e)throw new Error("This unit doesn't exists, please use the one of the following units"+JSON.stringify(i,null,2));return new r(e,10)},g=function(t,e){var n=v(t).dividedBy(d(e));return F(t)?n:n.toString(10)},y=function(t,e){var n=v(t).times(d(e));return F(t)?n:n.toString(10)},v=function(t){return t=t||0,F(t)?t:!N(t)||0!==t.indexOf("0x")&&0!==t.indexOf("-0x")?new r(t.toString(10),10):new r(t.replace("0x",""),16)},b=function(t){var e=v(t);return e.lessThan(0)?new r("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16).plus(e).plus(1):e},w=function(t){return/^0x[0-9a-f]{40}$/.test(t)},x=function(t){return/^(0x)?[0-9a-f]{40}$/.test(t)},_=function(t){return w(t)?t:/^[0-9a-f]{40}$/.test(t)?"0x"+t:"0x"+o(h(t).substr(2),40)},F=function(t){return t instanceof r||t&&t.constructor&&"BigNumber"===t.constructor.name},N=function(t){return"string"==typeof t||t&&t.constructor&&"String"===t.constructor.name},I=function(t){return"function"==typeof t},O=function(t){return"object"==typeof t},T=function(t){return"boolean"==typeof t},B=function(t){return t instanceof Array},A=function(t){try{return!!JSON.parse(t)}catch(e){return!1}};e.exports={padLeft:o,toHex:h,toDecimal:p,fromDecimal:m,toAscii:a,fromAscii:u,transformToFullName:c,extractDisplayName:l,extractTypeName:f,toWei:y,fromWei:g,toBigNumber:v,toTwosComplement:b,toAddress:_,isBigNumber:F,isStrictAddress:w,isAddress:x,isFunction:I,isString:N,isObject:O,isBoolean:T,isArray:B,isJson:A}},{"bignumber.js":"bignumber.js"}],9:[function(t,e,n){e.exports={version:"0.3.0"}},{}],10:[function(t,e,n){var r=t("./version.json"),i=t("./web3/net"),o=t("./web3/eth"),a=t("./web3/db"),s=t("./web3/shh"),u=t("./web3/watches"),c=t("./web3/filter"),l=t("./utils/utils"),f=t("./web3/formatters"),p=t("./web3/requestmanager"),m=t("./utils/config"),h=t("./web3/method"),d=t("./web3/property"),g=[new h({name:"sha3",call:"web3_sha3",params:1})],y=[new d({name:"version.client",getter:"web3_clientVersion"}),new d({name:"version.network",getter:"net_version",inputFormatter:l.toDecimal}),new d({name:"version.ethereum",getter:"eth_protocolVersion",inputFormatter:l.toDecimal}),new d({name:"version.whisper",getter:"shh_version",inputFormatter:l.toDecimal})],v=function(t,e){e.forEach(function(e){e.attachToObject(t)})},b=function(t,e){e.forEach(function(e){e.attachToObject(t)})},w={};w.providers={},w.version={},w.version.api=r.version,w.eth={},w.eth.filter=function(t,e,n,r){return t._isEvent?t(e,n):new c(t,u.eth(),r||f.outputLogFormatter)},w.shh={},w.shh.filter=function(t){return new c(t,u.shh(),f.outputPostFormatter)},w.net={},w.db={},w.setProvider=function(t){p.getInstance().setProvider(t)},w.reset=function(){p.getInstance().reset(),m.defaultBlock="latest",m.defaultAccount=void 0},w.toHex=l.toHex,w.toAscii=l.toAscii,w.fromAscii=l.fromAscii,w.toDecimal=l.toDecimal,w.fromDecimal=l.fromDecimal,w.toBigNumber=l.toBigNumber,w.toWei=l.toWei,w.fromWei=l.fromWei,w.isAddress=l.isAddress,Object.defineProperty(w.eth,"defaultBlock",{get:function(){return m.defaultBlock},set:function(t){return m.defaultBlock=t,t}}),Object.defineProperty(w.eth,"defaultAccount",{get:function(){return m.defaultAccount},set:function(t){return m.defaultAccount=t,t}}),v(w,g),b(w,y),v(w.net,i.methods),b(w.net,i.properties),v(w.eth,o.methods),b(w.eth,o.properties),v(w.db,a.methods),v(w.shh,s.methods),e.exports=w},{"./utils/config":7,"./utils/utils":8,"./version.json":9,"./web3/db":12,"./web3/eth":14,"./web3/filter":16,"./web3/formatters":17,"./web3/method":21,"./web3/net":22,"./web3/property":23,"./web3/requestmanager":25,"./web3/shh":26,"./web3/watches":27}],11:[function(t,e,n){var r=t("../web3"),i=t("../solidity/abi"),o=t("../utils/utils"),a=t("./event"),s=t("./function"),u=function(t,e){e.filter(function(t){return"function"===t.type}).map(function(e){return new s(e,t.address)}).forEach(function(e){e.attachToContract(t)})},c=function(t,e){e.filter(function(t){return"event"===t.type}).map(function(e){return new a(e,t.address)}).forEach(function(e){e.attachToContract(t)})},l=function(t){return f.bind(null,t)},f=function(t,e){if(this.address="",o.isAddress(e))this.address=e;else{e=e||{};var n=Array.prototype.slice.call(arguments,2),a=i.formatConstructorParams(t,n);e.data+=a,this.address=r.eth.sendTransaction(e)}u(this,t),c(this,t)};f.prototype.call=function(){return console.error("contract.call is deprecated"),this},f.prototype.sendTransaction=function(){return console.error("contract.sendTransact is deprecated"),this},e.exports=l},{"../solidity/abi":1,"../utils/utils":8,"../web3":10,"./event":15,"./function":18}],12:[function(t,e,n){var r=t("./method"),i=new r({name:"putString",call:"db_putString",params:3}),o=new r({name:"getString",call:"db_getString",params:2}),a=new r({name:"putHex",call:"db_putHex",params:3}),s=new r({name:"getHex",call:"db_getHex",params:2}),u=[i,o,a,s];e.exports={methods:u}},{"./method":21}],13:[function(t,e,n){e.exports={InvalidNumberOfParams:function(){return new Error("Invalid number of input parameters")},InvalidConnection:function(t){return new Error("CONNECTION ERROR: Couldn't connect to node "+t+", is it running?")},InvalidProvider:function(){return new Error("Providor not set or invalid")},InvalidResponse:function(t){var e=t&&t.error&&t.error.message?t.error.message:"Invalid JSON RPC response";return new Error(e)}}},{}],14:[function(t,e,n){"use strict";var r=t("./formatters"),i=t("../utils/utils"),o=t("./method"),a=t("./property"),s=function(t){return i.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getBlockByHash":"eth_getBlockByNumber"},u=function(t){return i.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getTransactionByBlockHashAndIndex":"eth_getTransactionByBlockNumberAndIndex"},c=function(t){return i.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getUncleByBlockHashAndIndex":"eth_getUncleByBlockNumberAndIndex"},l=function(t){return i.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getBlockTransactionCountByHash":"eth_getBlockTransactionCountByNumber"},f=function(t){return i.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getUncleCountByBlockHash":"eth_getUncleCountByBlockNumber"},p=new o({name:"getBalance",call:"eth_getBalance",params:2,inputFormatter:[i.toAddress,r.inputDefaultBlockNumberFormatter],outputFormatter:r.outputBigNumberFormatter}),m=new o({name:"getStorageAt",call:"eth_getStorageAt",params:3,inputFormatter:[null,i.toHex,r.inputDefaultBlockNumberFormatter]}),h=new o({name:"getCode",call:"eth_getCode",params:2,inputFormatter:[i.toAddress,r.inputDefaultBlockNumberFormatter]}),d=new o({name:"getBlock",call:s,params:2,inputFormatter:[r.inputBlockNumberFormatter,function(t){return!!t}],outputFormatter:r.outputBlockFormatter}),g=new o({name:"getUncle",call:c,params:2,inputFormatter:[r.inputBlockNumberFormatter,i.toHex],outputFormatter:r.outputBlockFormatter}),y=new o({name:"getCompilers",call:"eth_getCompilers",params:0}),v=new o({name:"getBlockTransactionCount",call:l,params:1,inputFormatter:[r.inputBlockNumberFormatter],outputFormatter:i.toDecimal}),b=new o({name:"getBlockUncleCount",call:f,params:1,inputFormatter:[r.inputBlockNumberFormatter],outputFormatter:i.toDecimal}),w=new o({name:"getTransaction",call:"eth_getTransactionByHash",params:1,outputFormatter:r.outputTransactionFormatter}),x=new o({name:"getTransactionFromBlock",call:u,params:2,inputFormatter:[r.inputBlockNumberFormatter,i.toHex],outputFormatter:r.outputTransactionFormatter}),_=new o({name:"getTransactionCount",call:"eth_getTransactionCount",params:2,inputFormatter:[null,r.inputDefaultBlockNumberFormatter],outputFormatter:i.toDecimal}),F=new o({name:"sendTransaction",call:"eth_sendTransaction",params:1,inputFormatter:[r.inputTransactionFormatter]}),N=new o({name:"call",call:"eth_call",params:2,inputFormatter:[r.inputTransactionFormatter,r.inputDefaultBlockNumberFormatter]}),I=new o({name:"compile.solidity",call:"eth_compileSolidity",params:1}),O=new o({name:"compile.lll",call:"eth_compileLLL",params:1}),T=new o({name:"compile.serpent",call:"eth_compileSerpent",params:1}),B=[p,m,h,d,g,y,v,b,w,x,_,N,F,I,O,T],A=[new a({name:"coinbase",getter:"eth_coinbase"}),new a({name:"mining",getter:"eth_mining"}),new a({name:"gasPrice",getter:"eth_gasPrice",outputFormatter:r.outputBigNumberFormatter}),new a({name:"accounts",getter:"eth_accounts"}),new a({name:"blockNumber",getter:"eth_blockNumber",outputFormatter:i.toDecimal})];e.exports={methods:B,properties:A}},{"../utils/utils":8,"./formatters":17,"./method":21,"./property":23}],15:[function(t,e,n){var r=t("../utils/utils"),i=t("../solidity/coder"),o=t("../web3"),a=t("./formatters"),s=function(t,e){this._params=t.inputs,this._name=r.transformToFullName(t),this._address=e,this._anonymous=t.anonymous};s.prototype.types=function(t){return this._params.filter(function(e){return e.indexed===t}).map(function(t){return t.type})},s.prototype.displayName=function(){return r.extractDisplayName(this._name)},s.prototype.typeName=function(){return r.extractTypeName(this._name)},s.prototype.signature=function(){return o.sha3(o.fromAscii(this._name)).slice(2)},s.prototype.encode=function(t,e){t=t||{},e=e||{};var n={};["fromBlock","toBlock"].filter(function(t){return void 0!==e[t]}).forEach(function(t){n[t]=r.toHex(e[t])}),n.topics=[],this._anonymous||(n.address=this._address,n.topics.push("0x"+this.signature()));var o=this._params.filter(function(t){return t.indexed===!0}).map(function(e){var n=t[e.name];return void 0===n||null===n?null:r.isArray(n)?n.map(function(t){return"0x"+i.encodeParam(e.type,t)}):"0x"+i.encodeParam(e.type,n)});return n.topics=n.topics.concat(o),n},s.prototype.decode=function(t){t.data=t.data||"",t.topics=t.topics||[];var e=this._anonymous?t.topics:t.topics.slice(1),n=e.map(function(t){return t.slice(2)}).join(""),r=i.decodeParams(this.types(!0),n),o=t.data.slice(2),s=i.decodeParams(this.types(!1),o),u=a.outputLogFormatter(t);return u.event=this.displayName(),u.address=t.address,u.args=this._params.reduce(function(t,e){return t[e.name]=e.indexed?r.shift():s.shift(),t},{}),delete u.data,delete u.topics,u},s.prototype.execute=function(t,e){var n=this.encode(t,e),r=this.decode.bind(this);return o.eth.filter(n,void 0,void 0,r)},s.prototype.attachToContract=function(t){var e=this.execute.bind(this),n=this.displayName();t[n]||(t[n]=e),t[n][this.typeName()]=this.execute.bind(this,t)},e.exports=s},{"../solidity/coder":2,"../utils/utils":8,"../web3":10,"./formatters":17}],16:[function(t,e,n){var r=t("./requestmanager"),i=t("./formatters"),o=t("../utils/utils"),a=function(t){return null===t||"undefined"==typeof t?null:(t=String(t),0===t.indexOf("0x")?t:o.fromAscii(t))},s=function(t){return o.isString(t)?t:(t=t||{},t.topics=t.topics||[],t.topics=t.topics.map(function(t){return o.isArray(t)?t.map(a):a(t)}),{topics:t.topics,to:t.to,address:t.address,fromBlock:i.inputBlockNumberFormatter(t.fromBlock),toBlock:i.inputBlockNumberFormatter(t.toBlock)})},u=function(t,e,n){var r={};e.forEach(function(t){t.attachToObject(r)}),this.options=s(t),this.implementation=r,this.callbacks=[],this.formatter=n,this.filterId=this.implementation.newFilter(this.options)};u.prototype.watch=function(t){this.callbacks.push(t);var e=this,n=function(t,n){return t?e.callbacks.forEach(function(e){e(t)}):void n.forEach(function(t){t=e.formatter?e.formatter(t):t,e.callbacks.forEach(function(e){e(null,t)})})};o.isString(this.options)||this.get(function(e,n){e&&t(e),n.forEach(function(e){t(null,e)})}),r.getInstance().startPolling({method:this.implementation.poll.call,params:[this.filterId]},this.filterId,n,this.stopWatching.bind(this))},u.prototype.stopWatching=function(){r.getInstance().stopPolling(this.filterId),this.implementation.uninstallFilter(this.filterId),this.callbacks=[]},u.prototype.get=function(t){var e=this;if(!o.isFunction(t)){var n=this.implementation.getLogs(this.filterId);return n.map(function(t){return e.formatter?e.formatter(t):t})}this.implementation.getLogs(this.filterId,function(n,r){n?t(n):t(null,r.map(function(t){return e.formatter?e.formatter(t):t}))})},e.exports=u},{"../utils/utils":8,"./formatters":17,"./requestmanager":25}],17:[function(t,e,n){var r=t("../utils/utils"),i=t("../utils/config"),o=function(t){return r.toBigNumber(t)},a=function(t){return"latest"===t||"pending"===t||"earliest"===t},s=function(t){return void 0===t?i.defaultBlock:u(t)},u=function(t){return void 0===t?void 0:a(t)?t:r.toHex(t)},c=function(t){return t.from=t.from||i.defaultAccount,t.code&&(t.data=t.code,delete t.code),["gasPrice","gas","value"].filter(function(e){return void 0!==t[e]}).forEach(function(e){t[e]=r.fromDecimal(t[e])}),t},l=function(t){return t.blockNumber=r.toDecimal(t.blockNumber),t.transactionIndex=r.toDecimal(t.transactionIndex),t.nonce=r.toDecimal(t.nonce),t.gas=r.toDecimal(t.gas),t.gasPrice=r.toBigNumber(t.gasPrice),t.value=r.toBigNumber(t.value),t},f=function(t){return t.gasLimit=r.toDecimal(t.gasLimit),t.gasUsed=r.toDecimal(t.gasUsed),t.size=r.toDecimal(t.size),t.timestamp=r.toDecimal(t.timestamp),t.number=r.toDecimal(t.number),t.difficulty=r.toBigNumber(t.difficulty),t.totalDifficulty=r.toBigNumber(t.totalDifficulty),r.isArray(t.transactions)&&t.transactions.forEach(function(t){return r.isString(t)?void 0:l(t)}),t},p=function(t){return null===t?null:(t.blockNumber=r.toDecimal(t.blockNumber),t.transactionIndex=r.toDecimal(t.transactionIndex),t.logIndex=r.toDecimal(t.logIndex),t)},m=function(t){return t.payload=r.toHex(t.payload),t.ttl=r.fromDecimal(t.ttl),t.workToProve=r.fromDecimal(t.workToProve),t.priority=r.fromDecimal(t.priority),r.isArray(t.topics)||(t.topics=t.topics?[t.topics]:[]),t.topics=t.topics.map(function(t){return r.fromAscii(t)}),t},h=function(t){return t.expiry=r.toDecimal(t.expiry),t.sent=r.toDecimal(t.sent),t.ttl=r.toDecimal(t.ttl),t.workProved=r.toDecimal(t.workProved),t.payloadRaw=t.payload,t.payload=r.toAscii(t.payload),r.isJson(t.payload)&&(t.payload=JSON.parse(t.payload)),t.topics||(t.topics=[]),t.topics=t.topics.map(function(t){return r.toAscii(t)}),t};e.exports={inputDefaultBlockNumberFormatter:s,inputBlockNumberFormatter:u,inputTransactionFormatter:c,inputPostFormatter:m,outputBigNumberFormatter:o,outputTransactionFormatter:l,outputBlockFormatter:f,outputLogFormatter:p,outputPostFormatter:h}},{"../utils/config":7,"../utils/utils":8}],18:[function(t,e,n){var r=t("../web3"),i=t("../solidity/coder"),o=t("../utils/utils"),a=function(t,e){this._inputTypes=t.inputs.map(function(t){return t.type}),this._outputTypes=t.outputs.map(function(t){return t.type}),this._constant=t.constant,this._name=o.transformToFullName(t),this._address=e};a.prototype.toPayload=function(){var t=Array.prototype.slice.call(arguments),e={};return o.isObject(t[t.length-1])&&(e=t.pop()),e.to=this._address,e.data="0x"+this.signature()+i.encodeParams(this._inputTypes,t),e},a.prototype.signature=function(){return r.sha3(r.fromAscii(this._name)).slice(2,10)},a.prototype.call=function(){var t=this.toPayload.apply(this,Array.prototype.slice.call(arguments)),e=r.eth.call(t);return i.decodeParams(this._outputTypes,e)},a.prototype.sendTransaction=function(){var t=this.toPayload.apply(this,Array.prototype.slice.call(arguments));r.eth.sendTransaction(t)},a.prototype.displayName=function(){return o.extractDisplayName(this._name)},a.prototype.typeName=function(){return o.extractTypeName(this._name)},a.prototype.execute=function(){var t=!this._constant;return t?this.sendTransaction.apply(this,Array.prototype.slice.call(arguments)):this.call.apply(this,Array.prototype.slice.call(arguments))},a.prototype.attachToContract=function(t){var e=this.execute.bind(this);e.call=this.call.bind(this),e.sendTransaction=this.sendTransaction.bind(this);var n=this.displayName();t[n]||(t[n]=e),t[n][this.typeName()]=e},e.exports=a},{"../solidity/coder":2,"../utils/utils":8,"../web3":10}],19:[function(t,e,n){"use strict";var r=t("xmlhttprequest").XMLHttpRequest,i=t("./errors"),o=function(t){this.host=t||"http://localhost:8545"};o.prototype.send=function(t){var e=new r;e.open("POST",this.host,!1);try{e.send(JSON.stringify(t))}catch(n){throw i.InvalidConnection(this.host)}return JSON.parse(e.responseText)},o.prototype.sendAsync=function(t,e){var n=new r;n.onreadystatechange=function(){4===n.readyState&&e(null,JSON.parse(n.responseText))},n.open("POST",this.host,!0);try{n.send(JSON.stringify(t))}catch(o){e(i.InvalidConnection(this.host))}},e.exports=o},{"./errors":13,xmlhttprequest:6}],20:[function(t,e,n){var r=function(){return arguments.callee._singletonInstance?arguments.callee._singletonInstance:(arguments.callee._singletonInstance=this,void(this.messageId=1))};r.getInstance=function(){var t=new r;return t},r.prototype.toPayload=function(t,e){return t||console.error("jsonrpc method should be specified!"),{jsonrpc:"2.0",method:t,params:e||[],id:this.messageId++}},r.prototype.isValidResponse=function(t){return!!t&&!t.error&&"2.0"===t.jsonrpc&&"number"==typeof t.id&&void 0!==t.result},r.prototype.toBatchPayload=function(t){var e=this;return t.map(function(t){return e.toPayload(t.method,t.params)})},e.exports=r},{}],21:[function(t,e,n){var r=t("./requestmanager"),i=t("../utils/utils"),o=t("./errors"),a=function(t){this.name=t.name,this.call=t.call,this.params=t.params||0,this.inputFormatter=t.inputFormatter,this.outputFormatter=t.outputFormatter};a.prototype.getCall=function(t){return i.isFunction(this.call)?this.call(t):this.call},a.prototype.extractCallback=function(t){return i.isFunction(t[t.length-1])?t.pop():null},a.prototype.validateArgs=function(t){if(t.length!==this.params)throw o.InvalidNumberOfParams()},a.prototype.formatInput=function(t){return this.inputFormatter?this.inputFormatter.map(function(e,n){return e?e(t[n]):t[n]}):t},a.prototype.formatOutput=function(t){return this.outputFormatter&&null!==t?this.outputFormatter(t):t},a.prototype.attachToObject=function(t){var e=this.send.bind(this);e.call=this.call;var n=this.name.split(".");n.length>1?(t[n[0]]=t[n[0]]||{},t[n[0]][n[1]]=e):t[n[0]]=e},a.prototype.toPayload=function(t){var e=this.getCall(t),n=this.extractCallback(t),r=this.formatInput(t);return this.validateArgs(r),{method:e,params:r,callback:n}},a.prototype.send=function(){var t=this.toPayload(Array.prototype.slice.call(arguments));if(t.callback){var e=this;return r.getInstance().sendAsync(t,function(n,r){t.callback(null,e.formatOutput(r))})}return this.formatOutput(r.getInstance().send(t))},e.exports=a},{"../utils/utils":8,"./errors":13,"./requestmanager":25}],22:[function(t,e,n){var r=t("../utils/utils"),i=t("./property"),o=[],a=[new i({name:"listening",getter:"net_listening"}),new i({name:"peerCount",getter:"net_peerCount",outputFormatter:r.toDecimal})];e.exports={methods:o,properties:a}},{"../utils/utils":8,"./property":23}],23:[function(t,e,n){var r=t("./requestmanager"),i=function(t){this.name=t.name,this.getter=t.getter,this.setter=t.setter,this.outputFormatter=t.outputFormatter,this.inputFormatter=t.inputFormatter};i.prototype.formatInput=function(t){return this.inputFormatter?this.inputFormatter(t):t},i.prototype.formatOutput=function(t){return this.outputFormatter&&null!==t?this.outputFormatter(t):t},i.prototype.attachToObject=function(t){var e={get:this.get.bind(this),set:this.set.bind(this)},n=this.name.split(".");n.length>1?(t[n[0]]=t[n[0]]||{},Object.defineProperty(t[n[0]],n[1],e)):Object.defineProperty(t,n[0],e)},i.prototype.get=function(){return this.formatOutput(r.getInstance().send({method:this.getter}))},i.prototype.set=function(t){return r.getInstance().send({method:this.setter,params:[this.formatInput(t)]})},e.exports=i},{"./requestmanager":25}],24:[function(t,e,n){var r=function(){};r.prototype.send=function(t){var e=navigator.qt.callMethod(JSON.stringify(t));return JSON.parse(e)},e.exports=r},{}],25:[function(t,e,n){var r=t("./jsonrpc"),i=t("../utils/utils"),o=t("../utils/config"),a=t("./errors"),s=function(t){return arguments.callee._singletonInstance?arguments.callee._singletonInstance:(arguments.callee._singletonInstance=this,this.provider=t,this.polls=[],this.timeout=null,void this.poll())};s.getInstance=function(){var t=new s;return t},s.prototype.send=function(t){if(!this.provider)return console.error(a.InvalidProvider()),null;var e=r.getInstance().toPayload(t.method,t.params),n=this.provider.send(e);if(!r.getInstance().isValidResponse(n))throw a.InvalidResponse(n);return n.result},s.prototype.sendAsync=function(t,e){if(!this.provider)return e(a.InvalidProvider());var n=r.getInstance().toPayload(t.method,t.params);this.provider.sendAsync(n,function(t,n){return t?e(t):r.getInstance().isValidResponse(n)?void e(null,n.result):e(a.InvalidResponse(n))})},s.prototype.setProvider=function(t){this.provider=t},s.prototype.startPolling=function(t,e,n,r){this.polls.push({data:t,id:e,callback:n,uninstall:r})},s.prototype.stopPolling=function(t){for(var e=this.polls.length;e--;){var n=this.polls[e];n.id===t&&this.polls.splice(e,1)}},s.prototype.reset=function(){this.polls.forEach(function(t){t.uninstall(t.id)}),this.polls=[],this.timeout&&(clearTimeout(this.timeout),this.timeout=null),this.poll()},s.prototype.poll=function(){if(this.timeout=setTimeout(this.poll.bind(this),o.ETH_POLLING_TIMEOUT),this.polls.length){if(!this.provider)return void console.error(a.InvalidProvider());var t=r.getInstance().toBatchPayload(this.polls.map(function(t){return t.data})),e=this;this.provider.sendAsync(t,function(t,n){if(!t){if(!i.isArray(n))throw a.InvalidResponse(n);n.map(function(t,n){return t.callback=e.polls[n].callback,t}).filter(function(t){var e=r.getInstance().isValidResponse(t);return e||t.callback(a.InvalidResponse(t)),e}).filter(function(t){return i.isArray(t.result)&&t.result.length>0}).forEach(function(t){t.callback(null,t.result)})}})}},e.exports=s},{"../utils/config":7,"../utils/utils":8,"./errors":13,"./jsonrpc":20}],26:[function(t,e,n){var r=t("./method"),i=t("./formatters"),o=new r({name:"post",call:"shh_post",params:1,inputFormatter:[i.inputPostFormatter]}),a=new r({name:"newIdentity",call:"shh_newIdentity",params:0}),s=new r({name:"hasIdentity",call:"shh_hasIdentity",params:1}),u=new r({name:"newGroup",call:"shh_newGroup",params:0}),c=new r({name:"addToGroup",call:"shh_addToGroup",params:0}),l=[o,a,s,u,c];e.exports={methods:l}},{"./formatters":17,"./method":21}],27:[function(t,e,n){var r=t("./method"),i=function(){var t=function(t){return"string"==typeof t[0]?"eth_newBlockFilter":"eth_newFilter"},e=new r({name:"newFilter",call:t,params:1}),n=new r({name:"uninstallFilter",call:"eth_uninstallFilter",params:1}),i=new r({name:"getLogs",call:"eth_getFilterLogs",params:1}),o=new r({name:"poll",call:"eth_getFilterChanges",params:1});return[e,n,i,o]},o=function(){var t=new r({name:"newFilter",call:"shh_newFilter",params:1}),e=new r({name:"uninstallFilter",call:"shh_uninstallFilter",params:1}),n=new r({name:"getLogs",call:"shh_getMessages",params:1}),i=new r({name:"poll",call:"shh_getFilterChanges",params:1});return[t,e,n,i]};e.exports={eth:i,shh:o}},{"./method":21}],28:[function(t,e,n){},{}],"bignumber.js":[function(t,e,n){
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e=t.value;return"0x"+e.slice(e.length-40,e.length)};e.exports={formatInputInt:s,formatInputBytes:u,formatInputBool:c,formatInputReal:l,formatOutputInt:p,formatOutputUInt:m,formatOutputReal:h,formatOutputUReal:d,formatOutputBool:g,formatOutputBytes:y,formatOutputAddress:v}},{"../utils/config":7,"../utils/utils":8,"./param":4,"bignumber.js":"bignumber.js"}],4:[function(t,e,n){var r=function(t,e,n){this.prefix=e||"",this.value=t||"",this.suffix=n||""};r.prototype.append=function(t){this.prefix+=t.prefix,this.value+=t.value,this.suffix+=t.suffix},r.prototype.appendArrayElement=function(t){this.suffix+=t.value,this.prefix+=t.prefix},r.prototype.encode=function(){return this.prefix+this.value+this.suffix},r.prototype.shiftValue=function(){var t=this.value.slice(0,64);return this.value=this.value.slice(64),new r(t)},r.prototype.shiftBytes=function(){return this.shiftArray(1)},r.prototype.shiftArray=function(t){var e=this.prefix.slice(0,64);this.prefix=this.value.slice(64);var 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r=t("bignumber.js"),i={wei:"1",kwei:"1000",ada:"1000",mwei:"1000000",babbage:"1000000",gwei:"1000000000",shannon:"1000000000",szabo:"1000000000000",finney:"1000000000000000",ether:"1000000000000000000",kether:"1000000000000000000000",grand:"1000000000000000000000",einstein:"1000000000000000000000",mether:"1000000000000000000000000",gether:"1000000000000000000000000000",tether:"1000000000000000000000000000000"},o=function(t,e,n){return new Array(e-t.length+1).join(n?n:"0")+t},a=function(t){var e="",n=0,r=t.length;for("0x"===t.substring(0,2)&&(n=2);r>n;n+=2){var i=parseInt(t.substr(n,2),16);if(0===i)break;e+=String.fromCharCode(i)}return e},s=function(t){for(var e="",n=0;n<t.length;n++){var r=t.charCodeAt(n).toString(16);e+=r.length<2?"0"+r:r}return e},u=function(t,e){e=void 0===e?0:e;for(var n=s(t);n.length<2*e;)n+="00";return"0x"+n},c=function(t){if(-1!==t.name.indexOf("("))return t.name;var e=t.inputs.map(function(t){return t.type}).join();return t.name+"("+e+")"},l=function(t){var e=t.indexOf("(");return-1!==e?t.substr(0,e):t},f=function(t){var e=t.indexOf("(");return-1!==e?t.substr(e+1,t.length-1-(e+1)).replace(" ",""):""},p=function(t){return v(t).toNumber()},m=function(t){var e=v(t),n=e.toString(16);return e.lessThan(0)?"-0x"+n.substr(1):"0x"+n},h=function(t){if(T(t))return m(+t);if(F(t))return m(t);if(O(t))return u(JSON.stringify(t));if(N(t)){if(0===t.indexOf("-0x"))return m(t);if(!isFinite(t))return u(t)}return m(t)},d=function(t){t=t?t.toLowerCase():"ether";var e=i[t];if(void 0===e)throw new Error("This unit doesn't exists, please use the one of the following units"+JSON.stringify(i,null,2));return new r(e,10)},g=function(t,e){var n=v(t).dividedBy(d(e));return F(t)?n:n.toString(10)},y=function(t,e){var n=v(t).times(d(e));return F(t)?n:n.toString(10)},v=function(t){return t=t||0,F(t)?t:!N(t)||0!==t.indexOf("0x")&&0!==t.indexOf("-0x")?new r(t.toString(10),10):new r(t.replace("0x",""),16)},b=function(t){var e=v(t);return e.lessThan(0)?new r("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16).plus(e).plus(1):e},w=function(t){return/^0x[0-9a-f]{40}$/.test(t)},x=function(t){return/^(0x)?[0-9a-f]{40}$/.test(t)},_=function(t){return w(t)?t:/^[0-9a-f]{40}$/.test(t)?"0x"+t:"0x"+o(h(t).substr(2),40)},F=function(t){return t instanceof r||t&&t.constructor&&"BigNumber"===t.constructor.name},N=function(t){return"string"==typeof t||t&&t.constructor&&"String"===t.constructor.name},I=function(t){return"function"==typeof t},O=function(t){return"object"==typeof t},T=function(t){return"boolean"==typeof t},B=function(t){return t instanceof 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d({name:"version.ethereum",getter:"eth_protocolVersion",inputFormatter:l.toDecimal}),new d({name:"version.whisper",getter:"shh_version",inputFormatter:l.toDecimal})],v=function(t,e){e.forEach(function(e){e.attachToObject(t)})},b=function(t,e){e.forEach(function(e){e.attachToObject(t)})},w={};w.providers={},w.version={},w.version.api=r.version,w.eth={},w.eth.filter=function(t,e,n,r){return t._isEvent?t(e,n):new c(t,u.eth(),r||f.outputLogFormatter)},w.shh={},w.shh.filter=function(t){return new c(t,u.shh(),f.outputPostFormatter)},w.net={},w.db={},w.setProvider=function(t){p.getInstance().setProvider(t)},w.reset=function(){p.getInstance().reset(),m.defaultBlock="latest",m.defaultAccount=void 0},w.toHex=l.toHex,w.toAscii=l.toAscii,w.fromAscii=l.fromAscii,w.toDecimal=l.toDecimal,w.fromDecimal=l.fromDecimal,w.toBigNumber=l.toBigNumber,w.toWei=l.toWei,w.fromWei=l.fromWei,w.isAddress=l.isAddress,Object.defineProperty(w.eth,"defaultBlock",{get:function(){return m.defaultBlock},set:function(t){return m.defaultBlock=t,t}}),Object.defineProperty(w.eth,"defaultAccount",{get:function(){return m.defaultAccount},set:function(t){return m.defaultAccount=t,t}}),v(w,g),b(w,y),v(w.net,i.methods),b(w.net,i.properties),v(w.eth,o.methods),b(w.eth,o.properties),v(w.db,a.methods),v(w.shh,s.methods),e.exports=w},{"./utils/config":7,"./utils/utils":8,"./version.json":9,"./web3/db":12,"./web3/eth":14,"./web3/filter":16,"./web3/formatters":17,"./web3/method":21,"./web3/net":22,"./web3/property":23,"./web3/requestmanager":25,"./web3/shh":26,"./web3/watches":27}],11:[function(t,e,n){var r=t("../web3"),i=t("../solidity/abi"),o=t("../utils/utils"),a=t("./event"),s=t("./function"),u=function(t,e){e.filter(function(t){return"function"===t.type}).map(function(e){return new s(e,t.address)}).forEach(function(e){e.attachToContract(t)})},c=function(t,e){e.filter(function(t){return"event"===t.type}).map(function(e){return new a(e,t.address)}).forEach(function(e){e.attachToContract(t)})},l=function(t){return f.bind(null,t)},f=function(t,e){if(this.address="",o.isAddress(e))this.address=e;else{e=e||{};var n=Array.prototype.slice.call(arguments,2),a=i.formatConstructorParams(t,n);e.data+=a,this.address=r.eth.sendTransaction(e)}u(this,t),c(this,t)};f.prototype.call=function(){return console.error("contract.call is deprecated"),this},f.prototype.sendTransaction=function(){return console.error("contract.sendTransact is deprecated"),this},e.exports=l},{"../solidity/abi":1,"../utils/utils":8,"../web3":10,"./event":15,"./function":18}],12:[function(t,e,n){var r=t("./method"),i=new r({name:"putString",call:"db_putString",params:3}),o=new r({name:"getString",call:"db_getString",params:2}),a=new r({name:"putHex",call:"db_putHex",params:3}),s=new r({name:"getHex",call:"db_getHex",params:2}),u=[i,o,a,s];e.exports={methods:u}},{"./method":21}],13:[function(t,e,n){e.exports={InvalidNumberOfParams:function(){return new Error("Invalid number of input parameters")},InvalidConnection:function(t){return new Error("CONNECTION ERROR: Couldn't connect to node "+t+", is it running?")},InvalidProvider:function(){return new Error("Providor not set or invalid")},InvalidResponse:function(t){var e=t&&t.error&&t.error.message?t.error.message:"Invalid JSON RPC response";return new Error(e)}}},{}],14:[function(t,e,n){"use strict";var r=t("./formatters"),i=t("../utils/utils"),o=t("./method"),a=t("./property"),s=function(t){return i.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getBlockByHash":"eth_getBlockByNumber"},u=function(t){return i.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getTransactionByBlockHashAndIndex":"eth_getTransactionByBlockNumberAndIndex"},c=function(t){return i.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getUncleByBlockHashAndIndex":"eth_getUncleByBlockNumberAndIndex"},l=function(t){return i.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getBlockTransactionCountByHash":"eth_getBlockTransactionCountByNumber"},f=function(t){return i.isString(t[0])&&0===t[0].indexOf("0x")?"eth_getUncleCountByBlockHash":"eth_getUncleCountByBlockNumber"},p=new o({name:"getBalance",call:"eth_getBalance",params:2,inputFormatter:[i.toAddress,r.inputDefaultBlockNumberFormatter],outputFormatter:r.outputBigNumberFormatter}),m=new o({name:"getStorageAt",call:"eth_getStorageAt",params:3,inputFormatter:[null,i.toHex,r.inputDefaultBlockNumberFormatter]}),h=new o({name:"getCode",call:"eth_getCode",params:2,inputFormatter:[i.toAddress,r.inputDefaultBlockNumberFormatter]}),d=new o({name:"getBlock",call:s,params:2,inputFormatter:[r.inputBlockNumberFormatter,function(t){return!!t}],outputFormatter:r.outputBlockFormatter}),g=new o({name:"getUncle",call:c,params:2,inputFormatter:[r.inputBlockNumberFormatter,i.toHex],outputFormatter:r.outputBlockFormatter}),y=new o({name:"getCompilers",call:"eth_getCompilers",params:0}),v=new o({name:"getBlockTransactionCount",call:l,params:1,inputFormatter:[r.inputBlockNumberFormatter],outputFormatter:i.toDecimal}),b=new o({name:"getBlockUncleCount",call:f,params:1,inputFormatter:[r.inputBlockNumberFormatter],outputFormatter:i.toDecimal}),w=new o({name:"getTransaction",call:"eth_getTransactionByHash",params:1,outputFormatter:r.outputTransactionFormatter}),x=new o({name:"getTransactionFromBlock",call:u,params:2,inputFormatter:[r.inputBlockNumberFormatter,i.toHex],outputFormatter:r.outputTransactionFormatter}),_=new o({name:"getTransactionCount",call:"eth_getTransactionCount",params:2,inputFormatter:[null,r.inputDefaultBlockNumberFormatter],outputFormatter:i.toDecimal}),F=new o({name:"sendTransaction",call:"eth_sendTransaction",params:1,inputFormatter:[r.inputTransactionFormatter]}),N=new o({name:"call",call:"eth_call",params:2,inputFormatter:[r.inputTransactionFormatter,r.inputDefaultBlockNumberFormatter]}),I=new o({name:"compile.solidity",call:"eth_compileSolidity",params:1}),O=new o({name:"compile.lll",call:"eth_compileLLL",params:1}),T=new o({name:"compile.serpent",call:"eth_compileSerpent",params:1}),B=[p,m,h,d,g,y,v,b,w,x,_,N,F,I,O,T],A=[new a({name:"coinbase",getter:"eth_coinbase"}),new a({name:"mining",getter:"eth_mining"}),new a({name:"gasPrice",getter:"eth_gasPrice",outputFormatter:r.outputBigNumberFormatter}),new a({name:"accounts",getter:"eth_accounts"}),new a({name:"blockNumber",getter:"eth_blockNumber",outputFormatter:i.toDecimal})];e.exports={methods:B,properties:A}},{"../utils/utils":8,"./formatters":17,"./method":21,"./property":23}],15:[function(t,e,n){var r=t("../utils/utils"),i=t("../solidity/coder"),o=t("../web3"),a=t("./formatters"),s=function(t,e){this._params=t.inputs,this._name=r.transformToFullName(t),this._address=e,this._anonymous=t.anonymous};s.prototype.types=function(t){return this._params.filter(function(e){return e.indexed===t}).map(function(t){return t.type})},s.prototype.displayName=function(){return r.extractDisplayName(this._name)},s.prototype.typeName=function(){return r.extractTypeName(this._name)},s.prototype.signature=function(){return o.sha3(o.fromAscii(this._name)).slice(2)},s.prototype.encode=function(t,e){t=t||{},e=e||{};var n={};["fromBlock","toBlock"].filter(function(t){return void 0!==e[t]}).forEach(function(t){n[t]=r.toHex(e[t])}),n.topics=[],this._anonymous||(n.address=this._address,n.topics.push("0x"+this.signature()));var o=this._params.filter(function(t){return t.indexed===!0}).map(function(e){var n=t[e.name];return void 0===n||null===n?null:r.isArray(n)?n.map(function(t){return"0x"+i.encodeParam(e.type,t)}):"0x"+i.encodeParam(e.type,n)});return n.topics=n.topics.concat(o),n},s.prototype.decode=function(t){t.data=t.data||"",t.topics=t.topics||[];var e=this._anonymous?t.topics:t.topics.slice(1),n=e.map(function(t){return t.slice(2)}).join(""),r=i.decodeParams(this.types(!0),n),o=t.data.slice(2),s=i.decodeParams(this.types(!1),o),u=a.outputLogFormatter(t);return u.event=this.displayName(),u.address=t.address,u.args=this._params.reduce(function(t,e){return t[e.name]=e.indexed?r.shift():s.shift(),t},{}),delete u.data,delete u.topics,u},s.prototype.execute=function(t,e){var n=this.encode(t,e),r=this.decode.bind(this);return o.eth.filter(n,void 0,void 0,r)},s.prototype.attachToContract=function(t){var e=this.execute.bind(this),n=this.displayName();t[n]||(t[n]=e),t[n][this.typeName()]=this.execute.bind(this,t)},e.exports=s},{"../solidity/coder":2,"../utils/utils":8,"../web3":10,"./formatters":17}],16:[function(t,e,n){var r=t("./requestmanager"),i=t("./formatters"),o=t("../utils/utils"),a=function(t){return null===t||"undefined"==typeof t?null:(t=String(t),0===t.indexOf("0x")?t:o.fromAscii(t))},s=function(t){return o.isString(t)?t:(t=t||{},t.topics=t.topics||[],t.topics=t.topics.map(function(t){return o.isArray(t)?t.map(a):a(t)}),{topics:t.topics,to:t.to,address:t.address,fromBlock:i.inputBlockNumberFormatter(t.fromBlock),toBlock:i.inputBlockNumberFormatter(t.toBlock)})},u=function(t,e,n){var r={};e.forEach(function(t){t.attachToObject(r)}),this.options=s(t),this.implementation=r,this.callbacks=[],this.formatter=n,this.filterId=this.implementation.newFilter(this.options)};u.prototype.watch=function(t){this.callbacks.push(t);var e=this,n=function(t,n){return t?e.callbacks.forEach(function(e){e(t)}):void n.forEach(function(t){t=e.formatter?e.formatter(t):t,e.callbacks.forEach(function(e){e(null,t)})})};o.isString(this.options)||this.get(function(e,n){e&&t(e),n.forEach(function(e){t(null,e)})}),r.getInstance().startPolling({method:this.implementation.poll.call,params:[this.filterId]},this.filterId,n,this.stopWatching.bind(this))},u.prototype.stopWatching=function(){r.getInstance().stopPolling(this.filterId),this.implementation.uninstallFilter(this.filterId),this.callbacks=[]},u.prototype.get=function(t){var e=this;if(!o.isFunction(t)){var n=this.implementation.getLogs(this.filterId);return n.map(function(t){return e.formatter?e.formatter(t):t})}this.implementation.getLogs(this.filterId,function(n,r){n?t(n):t(null,r.map(function(t){return e.formatter?e.formatter(t):t}))})},e.exports=u},{"../utils/utils":8,"./formatters":17,"./requestmanager":25}],17:[function(t,e,n){var r=t("../utils/utils"),i=t("../utils/config"),o=function(t){return r.toBigNumber(t)},a=function(t){return"latest"===t||"pending"===t||"earliest"===t},s=function(t){return void 0===t?i.defaultBlock:u(t)},u=function(t){return void 0===t?void 0:a(t)?t:r.toHex(t)},c=function(t){return t.from=t.from||i.defaultAccount,t.code&&(t.data=t.code,delete t.code),["gasPrice","gas","value"].filter(function(e){return void 0!==t[e]}).forEach(function(e){t[e]=r.fromDecimal(t[e])}),t},l=function(t){return t.blockNumber=r.toDecimal(t.blockNumber),t.transactionIndex=r.toDecimal(t.transactionIndex),t.nonce=r.toDecimal(t.nonce),t.gas=r.toDecimal(t.gas),t.gasPrice=r.toBigNumber(t.gasPrice),t.value=r.toBigNumber(t.value),t},f=function(t){return t.gasLimit=r.toDecimal(t.gasLimit),t.gasUsed=r.toDecimal(t.gasUsed),t.size=r.toDecimal(t.size),t.timestamp=r.toDecimal(t.timestamp),t.number=r.toDecimal(t.number),t.difficulty=r.toBigNumber(t.difficulty),t.totalDifficulty=r.toBigNumber(t.totalDifficulty),r.isArray(t.transactions)&&t.transactions.forEach(function(t){return r.isString(t)?void 0:l(t)}),t},p=function(t){return null===t?null:(t.blockNumber=r.toDecimal(t.blockNumber),t.transactionIndex=r.toDecimal(t.transactionIndex),t.logIndex=r.toDecimal(t.logIndex),t)},m=function(t){return t.payload=r.toHex(t.payload),t.ttl=r.fromDecimal(t.ttl),t.workToProve=r.fromDecimal(t.workToProve),t.priority=r.fromDecimal(t.priority),r.isArray(t.topics)||(t.topics=t.topics?[t.topics]:[]),t.topics=t.topics.map(function(t){return r.fromAscii(t)}),t},h=function(t){return t.expiry=r.toDecimal(t.expiry),t.sent=r.toDecimal(t.sent),t.ttl=r.toDecimal(t.ttl),t.workProved=r.toDecimal(t.workProved),t.payloadRaw=t.payload,t.payload=r.toAscii(t.payload),r.isJson(t.payload)&&(t.payload=JSON.parse(t.payload)),t.topics||(t.topics=[]),t.topics=t.topics.map(function(t){return r.toAscii(t)}),t};e.exports={inputDefaultBlockNumberFormatter:s,inputBlockNumberFormatter:u,inputTransactionFormatter:c,inputPostFormatter:m,outputBigNumberFormatter:o,outputTransactionFormatter:l,outputBlockFormatter:f,outputLogFormatter:p,outputPostFormatter:h}},{"../utils/config":7,"../utils/utils":8}],18:[function(t,e,n){var r=t("../web3"),i=t("../solidity/coder"),o=t("../utils/utils"),a=function(t,e){this._inputTypes=t.inputs.map(function(t){return t.type}),this._outputTypes=t.outputs.map(function(t){return t.type}),this._constant=t.constant,this._name=o.transformToFullName(t),this._address=e};a.prototype.toPayload=function(){var t=Array.prototype.slice.call(arguments),e={};return o.isObject(t[t.length-1])&&(e=t.pop()),e.to=this._address,e.data="0x"+this.signature()+i.encodeParams(this._inputTypes,t),e},a.prototype.signature=function(){return r.sha3(r.fromAscii(this._name)).slice(2,10)},a.prototype.call=function(){var t=this.toPayload.apply(this,Array.prototype.slice.call(arguments)),e=r.eth.call(t);return i.decodeParams(this._outputTypes,e)},a.prototype.sendTransaction=function(){var t=this.toPayload.apply(this,Array.prototype.slice.call(arguments));r.eth.sendTransaction(t)},a.prototype.displayName=function(){return o.extractDisplayName(this._name)},a.prototype.typeName=function(){return o.extractTypeName(this._name)},a.prototype.execute=function(){var t=!this._constant;return t?this.sendTransaction.apply(this,Array.prototype.slice.call(arguments)):this.call.apply(this,Array.prototype.slice.call(arguments))},a.prototype.attachToContract=function(t){var e=this.execute.bind(this);e.call=this.call.bind(this),e.sendTransaction=this.sendTransaction.bind(this);var n=this.displayName();t[n]||(t[n]=e),t[n][this.typeName()]=e},e.exports=a},{"../solidity/coder":2,"../utils/utils":8,"../web3":10}],19:[function(t,e,n){"use strict";var r=t("xmlhttprequest").XMLHttpRequest,i=t("./errors"),o=function(t){this.host=t||"http://localhost:8545"};o.prototype.send=function(t){var e=new r;e.open("POST",this.host,!1);try{e.send(JSON.stringify(t))}catch(n){throw i.InvalidConnection(this.host)}return JSON.parse(e.responseText)},o.prototype.sendAsync=function(t,e){var n=new r;n.onreadystatechange=function(){4===n.readyState&&e(null,JSON.parse(n.responseText))},n.open("POST",this.host,!0);try{n.send(JSON.stringify(t))}catch(o){e(i.InvalidConnection(this.host))}},e.exports=o},{"./errors":13,xmlhttprequest:6}],20:[function(t,e,n){var r=function(){return arguments.callee._singletonInstance?arguments.callee._singletonInstance:(arguments.callee._singletonInstance=this,void(this.messageId=1))};r.getInstance=function(){var t=new r;return t},r.prototype.toPayload=function(t,e){return t||console.error("jsonrpc method should be specified!"),{jsonrpc:"2.0",method:t,params:e||[],id:this.messageId++}},r.prototype.isValidResponse=function(t){return!!t&&!t.error&&"2.0"===t.jsonrpc&&"number"==typeof t.id&&void 0!==t.result},r.prototype.toBatchPayload=function(t){var e=this;return t.map(function(t){return e.toPayload(t.method,t.params)})},e.exports=r},{}],21:[function(t,e,n){var r=t("./requestmanager"),i=t("../utils/utils"),o=t("./errors"),a=function(t){this.name=t.name,this.call=t.call,this.params=t.params||0,this.inputFormatter=t.inputFormatter,this.outputFormatter=t.outputFormatter};a.prototype.getCall=function(t){return i.isFunction(this.call)?this.call(t):this.call},a.prototype.extractCallback=function(t){return i.isFunction(t[t.length-1])?t.pop():null},a.prototype.validateArgs=function(t){if(t.length!==this.params)throw o.InvalidNumberOfParams()},a.prototype.formatInput=function(t){return this.inputFormatter?this.inputFormatter.map(function(e,n){return e?e(t[n]):t[n]}):t},a.prototype.formatOutput=function(t){return this.outputFormatter&&null!==t?this.outputFormatter(t):t},a.prototype.attachToObject=function(t){var e=this.send.bind(this);e.call=this.call;var n=this.name.split(".");n.length>1?(t[n[0]]=t[n[0]]||{},t[n[0]][n[1]]=e):t[n[0]]=e},a.prototype.toPayload=function(t){var e=this.getCall(t),n=this.extractCallback(t),r=this.formatInput(t);return this.validateArgs(r),{method:e,params:r,callback:n}},a.prototype.send=function(){var t=this.toPayload(Array.prototype.slice.call(arguments));if(t.callback){var e=this;return r.getInstance().sendAsync(t,function(n,r){t.callback(null,e.formatOutput(r))})}return this.formatOutput(r.getInstance().send(t))},e.exports=a},{"../utils/utils":8,"./errors":13,"./requestmanager":25}],22:[function(t,e,n){var r=t("../utils/utils"),i=t("./property"),o=[],a=[new i({name:"listening",getter:"net_listening"}),new i({name:"peerCount",getter:"net_peerCount",outputFormatter:r.toDecimal})];e.exports={methods:o,properties:a}},{"../utils/utils":8,"./property":23}],23:[function(t,e,n){var r=t("./requestmanager"),i=function(t){this.name=t.name,this.getter=t.getter,this.setter=t.setter,this.outputFormatter=t.outputFormatter,this.inputFormatter=t.inputFormatter};i.prototype.formatInput=function(t){return this.inputFormatter?this.inputFormatter(t):t},i.prototype.formatOutput=function(t){return this.outputFormatter&&null!==t?this.outputFormatter(t):t},i.prototype.attachToObject=function(t){var e={get:this.get.bind(this),set:this.set.bind(this)},n=this.name.split(".");n.length>1?(t[n[0]]=t[n[0]]||{},Object.defineProperty(t[n[0]],n[1],e)):Object.defineProperty(t,n[0],e)},i.prototype.get=function(){return this.formatOutput(r.getInstance().send({method:this.getter}))},i.prototype.set=function(t){return r.getInstance().send({method:this.setter,params:[this.formatInput(t)]})},e.exports=i},{"./requestmanager":25}],24:[function(t,e,n){var r=function(){};r.prototype.send=function(t){var e=navigator.qt.callMethod(JSON.stringify(t));return JSON.parse(e)},e.exports=r},{}],25:[function(t,e,n){var r=t("./jsonrpc"),i=t("../utils/utils"),o=t("../utils/config"),a=t("./errors"),s=function(t){return arguments.callee._singletonInstance?arguments.callee._singletonInstance:(arguments.callee._singletonInstance=this,this.provider=t,this.polls=[],this.timeout=null,void this.poll())};s.getInstance=function(){var t=new s;return t},s.prototype.send=function(t){if(!this.provider)return console.error(a.InvalidProvider()),null;var e=r.getInstance().toPayload(t.method,t.params),n=this.provider.send(e);if(!r.getInstance().isValidResponse(n))throw a.InvalidResponse(n);return n.result},s.prototype.sendAsync=function(t,e){if(!this.provider)return e(a.InvalidProvider());var n=r.getInstance().toPayload(t.method,t.params);this.provider.sendAsync(n,function(t,n){return t?e(t):r.getInstance().isValidResponse(n)?void e(null,n.result):e(a.InvalidResponse(n))})},s.prototype.setProvider=function(t){this.provider=t},s.prototype.startPolling=function(t,e,n,r){this.polls.push({data:t,id:e,callback:n,uninstall:r})},s.prototype.stopPolling=function(t){for(var e=this.polls.length;e--;){var n=this.polls[e];n.id===t&&this.polls.splice(e,1)}},s.prototype.reset=function(){this.polls.forEach(function(t){t.uninstall(t.id)}),this.polls=[],this.timeout&&(clearTimeout(this.timeout),this.timeout=null),this.poll()},s.prototype.poll=function(){if(this.timeout=setTimeout(this.poll.bind(this),o.ETH_POLLING_TIMEOUT),this.polls.length){if(!this.provider)return void console.error(a.InvalidProvider());var t=r.getInstance().toBatchPayload(this.polls.map(function(t){return t.data})),e=this;this.provider.sendAsync(t,function(t,n){if(!t){if(!i.isArray(n))throw a.InvalidResponse(n);n.map(function(t,n){return t.callback=e.polls[n].callback,t}).filter(function(t){var e=r.getInstance().isValidResponse(t);return e||t.callback(a.InvalidResponse(t)),e}).filter(function(t){return i.isArray(t.result)&&t.result.length>0}).forEach(function(t){t.callback(null,t.result)})}})}},e.exports=s},{"../utils/config":7,"../utils/utils":8,"./errors":13,"./jsonrpc":20}],26:[function(t,e,n){var r=t("./method"),i=t("./formatters"),o=new r({name:"post",call:"shh_post",params:1,inputFormatter:[i.inputPostFormatter]}),a=new r({name:"newIdentity",call:"shh_newIdentity",params:0}),s=new r({name:"hasIdentity",call:"shh_hasIdentity",params:1}),u=new r({name:"newGroup",call:"shh_newGroup",params:0}),c=new r({name:"addToGroup",call:"shh_addToGroup",params:0}),l=[o,a,s,u,c];e.exports={methods:l}},{"./formatters":17,"./method":21}],27:[function(t,e,n){var r=t("./method"),i=function(){var t=function(t){return"string"==typeof t[0]?"eth_newBlockFilter":"eth_newFilter"},e=new 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diff --git a/lib/version.json b/lib/version.json
index 186a859..0b36a80 100644
--- a/lib/version.json
+++ b/lib/version.json
@@ -1,3 +1,3 @@
 {
-    "version": "0.3.0"
+    "version": "0.3.1"
 }
diff --git a/package.js b/package.js
index 218fa8d..2f8277e 100644
--- a/package.js
+++ b/package.js
@@ -1,7 +1,7 @@
 /* jshint ignore:start */
 Package.describe({
   name: 'ethereum:web3',
-  version: '0.3.0',
+  version: '0.3.1',
   summary: 'Ethereum JavaScript API, middleware to talk to a ethreum node over RPC',
   git: 'https://github.com/ethereum/ethereum.js',
   // By default, Meteor will default to using README.md for documentation.
diff --git a/package.json b/package.json
index 062918e..75755c1 100644
--- a/package.json
+++ b/package.json
@@ -1,7 +1,7 @@
 {
   "name": "web3",
   "namespace": "ethereum",
-  "version": "0.3.0",
+  "version": "0.3.1",
   "description": "Ethereum JavaScript API, middleware to talk to a ethereum node over RPC",
   "main": "./index.js",
   "directories": {