diff --git a/dist/ethereum.js b/dist/ethereum.js
index 99af35d..6ab47f5 100644
--- a/dist/ethereum.js
+++ b/dist/ethereum.js
@@ -972,7 +972,7 @@ var padLeft = function (string, chars, sign) {
 var formatInputInt = function (value) {
     /*jshint maxcomplexity:7 */
     var padding = c.ETH_PADDING * 2;
-    if (value instanceof BigNumber || typeof value === 'number') {
+    if (utils.isBigNumber(value) || typeof value === 'number') {
         if (typeof value === 'number')
             value = new BigNumber(value);
         BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE);
@@ -982,10 +982,13 @@ var formatInputInt = function (value) {
             value = new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(value).plus(1);
         value = value.toString(16);
     }
-    else if (value.indexOf('0x') === 0)
-        value = value.substr(2);
-    else if (typeof value === 'string')
-        value = formatInputInt(new BigNumber(value));
+    else if (typeof value === 'string') {
+        if (value.indexOf('0x') === 0) {
+            value = value.substr(2);
+        } else {
+            value = formatInputInt(new BigNumber(value));
+        }
+    }
     else
         value = (+value).toString(16);
     return padLeft(value, padding);
@@ -1958,6 +1961,11 @@ var isAddress = function(address) {
     return /^\w+$/.test(address);
 };
 
+var isBigNumber = function (value) {
+    return value instanceof BigNumber ||
+        (value && value.constructor && value.constructor.name === 'BigNumber');
+};
+
 
 module.exports = {
     findIndex: findIndex,
@@ -1972,7 +1980,8 @@ module.exports = {
     toEth: toEth,
     toWei: toWei,
     fromWei: fromWei,
-    isAddress: isAddress
+    isAddress: isAddress,
+    isBigNumber: isBigNumber
 };
 
 
diff --git a/dist/ethereum.js.map b/dist/ethereum.js.map
index 1154488..7f1ce39 100644
--- a/dist/ethereum.js.map
+++ b/dist/ethereum.js.map
@@ -23,7 +23,7 @@
     "index.js"
   ],
   "names": [],
-  "mappings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zMA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;ACzDA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;ACnPA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;ACnCA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;ACzGA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;AC1IA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;;ACxIA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;AACA;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+  "mappings": 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   "file": "generated.js",
   "sourceRoot": "",
   "sourcesContent": [
@@ -35,7 +35,7 @@
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file eth.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nvar formatters = require('./formatters');\n\n\nvar blockCall = function (args) {\n    return typeof args[0] === \"string\" ? \"eth_blockByHash\" : \"eth_blockByNumber\";\n};\n\nvar transactionCall = function (args) {\n    return typeof args[0] === \"string\" ? 'eth_transactionByHash' : 'eth_transactionByNumber';\n};\n\nvar uncleCall = function (args) {\n    return typeof args[0] === \"string\" ? 'eth_uncleByHash' : 'eth_uncleByNumber';\n};\n\nvar transactionCountCall = function (args) {\n    return typeof args[0] === \"string\" ? 'eth_transactionCountByHash' : 'eth_transactionCountByNumber';\n};\n\nvar uncleCountCall = function (args) {\n    return typeof args[0] === \"string\" ? 'eth_uncleCountByHash' : 'eth_uncleCountByNumber';\n};\n\n/// @returns an array of objects describing web3.eth api methods\nvar methods = [\n    { name: 'getBalance', call: 'eth_balanceAt', outputFormatter: formatters.convertToBigNumber},\n    { name: 'getState', call: 'eth_stateAt' },\n    { name: 'getStorage', call: 'eth_storageAt' },\n    { name: 'getData', call: 'eth_codeAt' },\n    { name: 'getBlock', call: blockCall, outputFormatter: formatters.outputBlockFormatter},\n    { name: 'getUncle', call: uncleCall, outputFormatter: formatters.outputBlockFormatter},\n    { name: 'getCompilers', call: 'eth_compilers' },\n    { name: 'getBlockTransactionCount', call: transactionCountCall },\n    { name: 'getBlockUncleCount', call: uncleCountCall },\n    { name: 'getTransaction', call: transactionCall, outputFormatter: formatters.outputTransactionFormatter },\n    { name: 'getTransactionCount', call: 'eth_countAt'},\n    { name: 'sendTransaction', call: 'eth_transact', inputFormatter: formatters.inputTransactionFormatter },\n    { name: 'call', call: 'eth_call' },\n    { name: 'compile.solidity', call: 'eth_solidity' },\n    { name: 'compile.lll', call: 'eth_lll' },\n    { name: 'compile.serpent', call: 'eth_serpent' },\n    { name: 'flush', call: 'eth_flush' },\n\n    // deprecated methods\n    { name: 'balanceAt', call: 'eth_balanceAt', newMethod: 'getBalance' },\n    { name: 'stateAt', call: 'eth_stateAt', newMethod: 'getState' },\n    { name: 'storageAt', call: 'eth_storageAt', newMethod: 'getStorage' },\n    { name: 'countAt', call: 'eth_countAt', newMethod: 'getTransactionCount' },\n    { name: 'codeAt', call: 'eth_codeAt', newMethod: 'getData' },\n    { name: 'transact', call: 'eth_transact', newMethod: 'sendTransaction' },\n    { name: 'block', call: blockCall, newMethod: 'getBlock' },\n    { name: 'transaction', call: transactionCall, newMethod: 'getTransaction' },\n    { name: 'uncle', call: uncleCall, newMethod: 'getUncle' },\n    { name: 'compilers', call: 'eth_compilers', newMethod: 'getCompilers' },\n    { name: 'solidity', call: 'eth_solidity', newMethod: 'compile.solidity' },\n    { name: 'lll', call: 'eth_lll', newMethod: 'compile.lll' },\n    { name: 'serpent', call: 'eth_serpent', newMethod: 'compile.serpent' },\n    { name: 'transactionCount', call: transactionCountCall, newMethod: 'getBlockTransactionCount' },\n    { name: 'uncleCount', call: uncleCountCall, newMethod: 'getBlockUncleCount' },\n    { name: 'logs', call: 'eth_logs' }\n];\n\n/// @returns an array of objects describing web3.eth api properties\nvar properties = [\n    { name: 'coinbase', getter: 'eth_coinbase', setter: 'eth_setCoinbase' },\n    { name: 'listening', getter: 'eth_listening', setter: 'eth_setListening' },\n    { name: 'mining', getter: 'eth_mining', setter: 'eth_setMining' },\n    { name: 'gasPrice', getter: 'eth_gasPrice', outputFormatter: formatters.convertToBigNumber},\n    { name: 'accounts', getter: 'eth_accounts' },\n    { name: 'peerCount', getter: 'eth_peerCount' },\n    { name: 'defaultBlock', getter: 'eth_defaultBlock', setter: 'eth_setDefaultBlock' },\n    { name: 'blockNumber', getter: 'eth_number'},\n\n    // deprecated properties\n    { name: 'number', getter: 'eth_number', newProperty: 'blockNumber'}\n];\n\n\nmodule.exports = {\n    methods: methods,\n    properties: properties\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 event.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2014\n */\n\nvar abi = require('./abi');\nvar utils = require('./utils');\nvar signature = require('./signature');\n\n/// filter inputs array && returns only indexed (or not) inputs\n/// @param inputs array\n/// @param bool if result should be an array of indexed params on not\n/// @returns array of (not?) indexed params\nvar filterInputs = function (inputs, indexed) {\n    return inputs.filter(function (current) {\n        return current.indexed === indexed;\n    });\n};\n\nvar inputWithName = function (inputs, name) {\n    var index = utils.findIndex(inputs, function (input) {\n        return input.name === name;\n    });\n    \n    if (index === -1) {\n        console.error('indexed param with name ' + name + ' not found');\n        return undefined;\n    }\n    return inputs[index];\n};\n\nvar indexedParamsToTopics = function (event, indexed) {\n    // sort keys?\n    return Object.keys(indexed).map(function (key) {\n        var inputs = [inputWithName(filterInputs(event.inputs, true), key)];\n\n        var value = indexed[key];\n        if (value instanceof Array) {\n            return value.map(function (v) {\n                return abi.formatInput(inputs, [v]);\n            }); \n        }\n        return abi.formatInput(inputs, [value]);\n    });\n};\n\nvar inputParser = function (address, sign, event) {\n    \n    // valid options are 'earliest', 'latest', 'offset' and 'max', as defined for 'eth.filter'\n    return function (indexed, options) {\n        var o = options || {};\n        o.address = address;\n        o.topic = [];\n        o.topic.push(sign);\n        if (indexed) {\n            o.topic = o.topic.concat(indexedParamsToTopics(event, indexed));\n        }\n        return o;\n    };\n};\n\nvar getArgumentsObject = function (inputs, indexed, notIndexed) {\n    var indexedCopy = indexed.slice();\n    var notIndexedCopy = notIndexed.slice();\n    return inputs.reduce(function (acc, current) {\n        var value;\n        if (current.indexed)\n            value = indexedCopy.splice(0, 1)[0];\n        else\n            value = notIndexedCopy.splice(0, 1)[0];\n\n        acc[current.name] = value;\n        return acc;\n    }, {}); \n};\n \nvar outputParser = function (event) {\n    \n    return function (output) {\n        var result = {\n            event: utils.extractDisplayName(event.name),\n            number: output.number,\n            hash: output.hash,\n            args: {}\n        };\n\n        output.topics = output.topic; // fallback for go-ethereum\n        if (!output.topic) {\n            return result;\n        }\n       \n        var indexedOutputs = filterInputs(event.inputs, true);\n        var indexedData = \"0x\" + output.topic.slice(1, output.topic.length).map(function (topic) { return topic.slice(2); }).join(\"\");\n        var indexedRes = abi.formatOutput(indexedOutputs, indexedData);\n\n        var notIndexedOutputs = filterInputs(event.inputs, false);\n        var notIndexedRes = abi.formatOutput(notIndexedOutputs, output.data);\n\n        result.args = getArgumentsObject(event.inputs, indexedRes, notIndexedRes);\n\n        return result;\n    };\n};\n\nvar getMatchingEvent = function (events, payload) {\n    for (var i = 0; i < events.length; i++) {\n        var sign = signature.eventSignatureFromAscii(events[i].name); \n        if (sign === payload.topic[0]) {\n            return events[i];\n        }\n    }\n    return undefined;\n};\n\n\nmodule.exports = {\n    inputParser: inputParser,\n    outputParser: outputParser,\n    getMatchingEvent: getMatchingEvent\n};\n\n",
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file filter.js\n * @authors:\n *   Jeffrey Wilcke <jeff@ethdev.com>\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n *   Gav Wood <g@ethdev.com>\n * @date 2014\n */\n\n/// Should be called to check if filter implementation is valid\n/// @returns true if it is, otherwise false\nvar implementationIsValid = function (i) {\n    return !!i && \n        typeof i.newFilter === 'function' && \n        typeof i.getLogs === 'function' && \n        typeof i.uninstallFilter === 'function' &&\n        typeof i.startPolling === 'function' &&\n        typeof i.stopPolling === 'function';\n};\n\n/// This method should be called on options object, to verify deprecated properties && lazy load dynamic ones\n/// @param should be string or object\n/// @returns options string or object\nvar getOptions = function (options) {\n    if (typeof options === 'string') {\n        return options;\n    } \n\n    options = options || {};\n\n    if (options.topics) {\n        console.warn('\"topics\" is deprecated, is \"topic\" instead');\n    }\n\n    // evaluate lazy properties\n    return {\n        to: options.to,\n        topic: options.topic,\n        earliest: options.earliest,\n        latest: options.latest,\n        max: options.max,\n        skip: options.skip,\n        address: options.address\n    };\n};\n\n/// Should be used when we want to watch something\n/// it's using inner polling mechanism and is notified about changes\n/// @param options are filter options\n/// @param implementation, an abstract polling implementation\n/// @param formatter (optional), callback function which formats output before 'real' callback \nvar filter = function(options, implementation, formatter) {\n    if (!implementationIsValid(implementation)) {\n        console.error('filter implemenation is invalid');\n        return;\n    }\n\n    options = getOptions(options);\n    var callbacks = [];\n    var filterId = implementation.newFilter(options);\n    var onMessages = function (messages) {\n        messages.forEach(function (message) {\n            message = formatter ? formatter(message) : message;\n            callbacks.forEach(function (callback) {\n                callback(message);\n            });\n        });\n    };\n\n    implementation.startPolling(filterId, onMessages, implementation.uninstallFilter);\n\n    var watch = function(callback) {\n        callbacks.push(callback);\n    };\n\n    var stopWatching = function() {\n        implementation.stopPolling(filterId);\n        implementation.uninstallFilter(filterId);\n        callbacks = [];\n    };\n\n    var get = function () {\n        return implementation.getLogs(filterId);\n    };\n    \n    return {\n        watch: watch,\n        stopWatching: stopWatching,\n        get: get,\n\n        // DEPRECATED methods\n        changed:  function(){\n            console.warn('watch().changed() is deprecated please use filter().watch() instead.');\n            return watch.apply(this, arguments);\n        },\n        arrived:  function(){\n            console.warn('watch().arrived() is deprecated please use filter().watch() instead.');\n            return watch.apply(this, arguments);\n        },\n        happened:  function(){\n            console.warn('watch().happened() is deprecated please use filter().watch() instead.');\n            return watch.apply(this, arguments);\n        },\n        uninstall: function(){\n            console.warn('watch().uninstall() is deprecated please use filter().stopWatching() instead.');\n            return stopWatching.apply(this, arguments);\n        },\n        messages: function(){\n            console.warn('watch().messages() is deprecated please use filter().get() instead.');\n            return get.apply(this, arguments);\n        },\n        logs: function(){\n            console.warn('watch().logs() is deprecated please use filter().get() instead.');\n            return get.apply(this, arguments);\n        }\n    };\n};\n\nmodule.exports = filter;\n\n",
-    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file formatters.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nif (\"build\" !== 'build') {/*\n    var BigNumber = require('bignumber.js'); // jshint ignore:line\n*/}\n\nvar utils = require('./utils');\nvar c = require('./const');\n\n/// @param string string to be padded\n/// @param number of characters that result string should have\n/// @param sign, by default 0\n/// @returns right aligned string\nvar padLeft = function (string, chars, sign) {\n    return new Array(chars - string.length + 1).join(sign ? sign : \"0\") + string;\n};\n\n/// Formats input value to byte representation of int\n/// If value is negative, return it's two's complement\n/// If the value is floating point, round it down\n/// @returns right-aligned byte representation of int\nvar formatInputInt = function (value) {\n    /*jshint maxcomplexity:7 */\n    var padding = c.ETH_PADDING * 2;\n    if (value instanceof BigNumber || typeof value === 'number') {\n        if (typeof value === 'number')\n            value = new BigNumber(value);\n        BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE);\n        value = value.round();\n\n        if (value.lessThan(0)) \n            value = new BigNumber(\"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\", 16).plus(value).plus(1);\n        value = value.toString(16);\n    }\n    else if (value.indexOf('0x') === 0)\n        value = value.substr(2);\n    else if (typeof value === 'string')\n        value = formatInputInt(new BigNumber(value));\n    else\n        value = (+value).toString(16);\n    return padLeft(value, padding);\n};\n\n/// Formats input value to byte representation of string\n/// @returns left-algined byte representation of string\nvar formatInputString = function (value) {\n    return utils.fromAscii(value, c.ETH_PADDING).substr(2);\n};\n\n/// Formats input value to byte representation of bool\n/// @returns right-aligned byte representation bool\nvar formatInputBool = function (value) {\n    return '000000000000000000000000000000000000000000000000000000000000000' + (value ?  '1' : '0');\n};\n\n/// Formats input value to byte representation of real\n/// Values are multiplied by 2^m and encoded as integers\n/// @returns byte representation of real\nvar formatInputReal = function (value) {\n    return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128))); \n};\n\n\n/// Check if input value is negative\n/// @param value is hex format\n/// @returns true if it is negative, otherwise false\nvar signedIsNegative = function (value) {\n    return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';\n};\n\n/// Formats input right-aligned input bytes to int\n/// @returns right-aligned input bytes formatted to int\nvar formatOutputInt = function (value) {\n\n    value = value || \"0\";\n\n    // check if it's negative number\n    // it it is, return two's complement\n    if (signedIsNegative(value)) {\n        return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);\n    }\n    return new BigNumber(value, 16);\n};\n\n\n/// Formats big right-aligned input bytes to uint\n/// @returns right-aligned input bytes formatted to uint\nvar formatOutputUInt = function (value) {\n    value = value || \"0\";\n    return new BigNumber(value, 16);\n};\n\n/// @returns input bytes formatted to real\nvar formatOutputReal = function (value) {\n    return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128)); \n};\n\n/// @returns input bytes formatted to ureal\nvar formatOutputUReal = function (value) {\n    return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128)); \n};\n\n/// @returns right-aligned input bytes formatted to hex\nvar formatOutputHash = function (value) {\n    return \"0x\" + value;\n};\n\n/// @returns right-aligned input bytes formatted to bool\nvar formatOutputBool = function (value) {\n    return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;\n};\n\n/// @returns left-aligned input bytes formatted to ascii string\nvar formatOutputString = function (value) {\n    return utils.toAscii(value);\n};\n\n/// @returns right-aligned input bytes formatted to address\nvar formatOutputAddress = function (value) {\n    return \"0x\" + value.slice(value.length - 40, value.length);\n};\n\n\n/// Formats the input to a big number\n/// @returns a BigNumber object\nvar convertToBigNumber = function (value) {\n\n    // remove the leading 0x\n    if(typeof value === 'string')\n        value = value.replace('0x', '');\n\n    value = value || \"0\";\n\n    return new BigNumber(value, 16);\n};\n\n\n/**\nFormats the input of a transaction and converts all values to HEX\n\n@returns object\n*/\nvar inputTransactionFormatter = function(options){\n\n    // make code -> data\n    if(options.code) {\n        options.data = options.code;\n        delete options.code;\n    }\n\n    // make endowment -> value\n    if(options.endowment) {\n        options.value = options.endowment;\n        delete options.endowment;\n    }\n\n\n    // format the following options\n    /*jshint maxcomplexity:5 */\n    ['gasPrice', 'value'].forEach(function(key){\n\n        // if hex or string integer\n        if(typeof options[key] === 'string') {\n\n            // if not hex assume its a number string\n            if(options[key].indexOf('0x') === -1)\n                options[key] = utils.fromDecimal(options[key]);\n\n        // if number\n        } else if(typeof options[key] === 'number') {\n            options[key] = utils.fromDecimal(options[key]);\n\n        // if bignumber\n        } else if(options[key] instanceof BigNumber) {\n            options[key] = '0x'+ options[key].toString(16);\n        }\n    });\n\n    // format gas to number\n    options.gas = Number(options.gas);\n\n\n    return options;\n};\n\n/**\nFormats the output of a transaction to its proper values\n\n@returns object\n*/\nvar outputTransactionFormatter = function(tx){\n    // transform to number\n    tx.gas = Number(tx.gas);\n\n    // gasPrice to bignumber\n    if(typeof tx.gasPrice === 'string' && tx.gasPrice.indexOf('0x') === 0)\n        tx.gasPrice = new BigNumber(tx.gasPrice, 16);\n    else\n        tx.gasPrice = new BigNumber(tx.gasPrice.toString(10), 10);\n\n    // value to bignumber\n    if(typeof tx.value === 'string' && tx.value.indexOf('0x') === 0)\n        tx.value = new BigNumber(tx.value, 16);\n    else\n        tx.value = new BigNumber(tx.value.toString(10), 10);\n\n    return tx;\n};\n\n\n/**\nFormats the output of a block to its proper values\n\n@returns object\n*/\nvar outputBlockFormatter = function(block){\n    /*jshint maxcomplexity:7 */\n\n    // transform to number\n    block.gasLimit = Number(block.gasLimit);\n    block.gasUsed = Number(block.gasUsed);\n    block.size = Number(block.size);\n    block.timestamp = Number(block.timestamp);\n    block.number = Number(block.number);\n\n    // minGasPrice to bignumber\n    if(block.minGasPrice) {\n        if(typeof block.minGasPrice === 'string' && block.minGasPrice.indexOf('0x') === 0)\n            block.minGasPrice = new BigNumber(block.minGasPrice, 16);\n        else\n            block.minGasPrice = new BigNumber(block.minGasPrice.toString(10), 10);\n    }\n\n\n    // difficulty to bignumber\n    if(block.difficulty) {\n        if(typeof block.difficulty === 'string' && block.difficulty.indexOf('0x') === 0)\n            block.difficulty = new BigNumber(block.difficulty, 16);\n        else\n            block.difficulty = new BigNumber(block.difficulty.toString(10), 10);\n    }\n\n\n    // difficulty to bignumber\n    if(block.totalDifficulty) {\n        if(typeof block.totalDifficulty === 'string' && block.totalDifficulty.indexOf('0x') === 0)\n            block.totalDifficulty = new BigNumber(block.totalDifficulty, 16);\n        else\n            block.totalDifficulty = new BigNumber(block.totalDifficulty.toString(10), 10);\n    }\n\n    return block;\n};\n\n\nmodule.exports = {\n    formatInputInt: formatInputInt,\n    formatInputString: formatInputString,\n    formatInputBool: formatInputBool,\n    formatInputReal: formatInputReal,\n    formatOutputInt: formatOutputInt,\n    formatOutputUInt: formatOutputUInt,\n    formatOutputReal: formatOutputReal,\n    formatOutputUReal: formatOutputUReal,\n    formatOutputHash: formatOutputHash,\n    formatOutputBool: formatOutputBool,\n    formatOutputString: formatOutputString,\n    formatOutputAddress: formatOutputAddress,\n    convertToBigNumber: convertToBigNumber,\n    inputTransactionFormatter: inputTransactionFormatter,\n    outputTransactionFormatter: outputTransactionFormatter,\n    outputBlockFormatter: outputBlockFormatter\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 formatters.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nif (\"build\" !== 'build') {/*\n    var BigNumber = require('bignumber.js'); // jshint ignore:line\n*/}\n\nvar utils = require('./utils');\nvar c = require('./const');\n\n/// @param string string to be padded\n/// @param number of characters that result string should have\n/// @param sign, by default 0\n/// @returns right aligned string\nvar padLeft = function (string, chars, sign) {\n    return new Array(chars - string.length + 1).join(sign ? sign : \"0\") + string;\n};\n\n/// Formats input value to byte representation of int\n/// If value is negative, return it's two's complement\n/// If the value is floating point, round it down\n/// @returns right-aligned byte representation of int\nvar formatInputInt = function (value) {\n    /*jshint maxcomplexity:7 */\n    var padding = c.ETH_PADDING * 2;\n    if (utils.isBigNumber(value) || typeof value === 'number') {\n        if (typeof value === 'number')\n            value = new BigNumber(value);\n        BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE);\n        value = value.round();\n\n        if (value.lessThan(0)) \n            value = new BigNumber(\"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\", 16).plus(value).plus(1);\n        value = value.toString(16);\n    }\n    else if (typeof value === 'string') {\n        if (value.indexOf('0x') === 0) {\n            value = value.substr(2);\n        } else {\n            value = formatInputInt(new BigNumber(value));\n        }\n    }\n    else\n        value = (+value).toString(16);\n    return padLeft(value, padding);\n};\n\n/// Formats input value to byte representation of string\n/// @returns left-algined byte representation of string\nvar formatInputString = function (value) {\n    return utils.fromAscii(value, c.ETH_PADDING).substr(2);\n};\n\n/// Formats input value to byte representation of bool\n/// @returns right-aligned byte representation bool\nvar formatInputBool = function (value) {\n    return '000000000000000000000000000000000000000000000000000000000000000' + (value ?  '1' : '0');\n};\n\n/// Formats input value to byte representation of real\n/// Values are multiplied by 2^m and encoded as integers\n/// @returns byte representation of real\nvar formatInputReal = function (value) {\n    return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128))); \n};\n\n\n/// Check if input value is negative\n/// @param value is hex format\n/// @returns true if it is negative, otherwise false\nvar signedIsNegative = function (value) {\n    return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';\n};\n\n/// Formats input right-aligned input bytes to int\n/// @returns right-aligned input bytes formatted to int\nvar formatOutputInt = function (value) {\n\n    value = value || \"0\";\n\n    // check if it's negative number\n    // it it is, return two's complement\n    if (signedIsNegative(value)) {\n        return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);\n    }\n    return new BigNumber(value, 16);\n};\n\n\n/// Formats big right-aligned input bytes to uint\n/// @returns right-aligned input bytes formatted to uint\nvar formatOutputUInt = function (value) {\n    value = value || \"0\";\n    return new BigNumber(value, 16);\n};\n\n/// @returns input bytes formatted to real\nvar formatOutputReal = function (value) {\n    return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128)); \n};\n\n/// @returns input bytes formatted to ureal\nvar formatOutputUReal = function (value) {\n    return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128)); \n};\n\n/// @returns right-aligned input bytes formatted to hex\nvar formatOutputHash = function (value) {\n    return \"0x\" + value;\n};\n\n/// @returns right-aligned input bytes formatted to bool\nvar formatOutputBool = function (value) {\n    return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;\n};\n\n/// @returns left-aligned input bytes formatted to ascii string\nvar formatOutputString = function (value) {\n    return utils.toAscii(value);\n};\n\n/// @returns right-aligned input bytes formatted to address\nvar formatOutputAddress = function (value) {\n    return \"0x\" + value.slice(value.length - 40, value.length);\n};\n\n\n/// Formats the input to a big number\n/// @returns a BigNumber object\nvar convertToBigNumber = function (value) {\n\n    // remove the leading 0x\n    if(typeof value === 'string')\n        value = value.replace('0x', '');\n\n    value = value || \"0\";\n\n    return new BigNumber(value, 16);\n};\n\n\n/**\nFormats the input of a transaction and converts all values to HEX\n\n@returns object\n*/\nvar inputTransactionFormatter = function(options){\n\n    // make code -> data\n    if(options.code) {\n        options.data = options.code;\n        delete options.code;\n    }\n\n    // make endowment -> value\n    if(options.endowment) {\n        options.value = options.endowment;\n        delete options.endowment;\n    }\n\n\n    // format the following options\n    /*jshint maxcomplexity:5 */\n    ['gasPrice', 'value'].forEach(function(key){\n\n        // if hex or string integer\n        if(typeof options[key] === 'string') {\n\n            // if not hex assume its a number string\n            if(options[key].indexOf('0x') === -1)\n                options[key] = utils.fromDecimal(options[key]);\n\n        // if number\n        } else if(typeof options[key] === 'number') {\n            options[key] = utils.fromDecimal(options[key]);\n\n        // if bignumber\n        } else if(options[key] instanceof BigNumber) {\n            options[key] = '0x'+ options[key].toString(16);\n        }\n    });\n\n    // format gas to number\n    options.gas = Number(options.gas);\n\n\n    return options;\n};\n\n/**\nFormats the output of a transaction to its proper values\n\n@returns object\n*/\nvar outputTransactionFormatter = function(tx){\n    // transform to number\n    tx.gas = Number(tx.gas);\n\n    // gasPrice to bignumber\n    if(typeof tx.gasPrice === 'string' && tx.gasPrice.indexOf('0x') === 0)\n        tx.gasPrice = new BigNumber(tx.gasPrice, 16);\n    else\n        tx.gasPrice = new BigNumber(tx.gasPrice.toString(10), 10);\n\n    // value to bignumber\n    if(typeof tx.value === 'string' && tx.value.indexOf('0x') === 0)\n        tx.value = new BigNumber(tx.value, 16);\n    else\n        tx.value = new BigNumber(tx.value.toString(10), 10);\n\n    return tx;\n};\n\n\n/**\nFormats the output of a block to its proper values\n\n@returns object\n*/\nvar outputBlockFormatter = function(block){\n    /*jshint maxcomplexity:7 */\n\n    // transform to number\n    block.gasLimit = Number(block.gasLimit);\n    block.gasUsed = Number(block.gasUsed);\n    block.size = Number(block.size);\n    block.timestamp = Number(block.timestamp);\n    block.number = Number(block.number);\n\n    // minGasPrice to bignumber\n    if(block.minGasPrice) {\n        if(typeof block.minGasPrice === 'string' && block.minGasPrice.indexOf('0x') === 0)\n            block.minGasPrice = new BigNumber(block.minGasPrice, 16);\n        else\n            block.minGasPrice = new BigNumber(block.minGasPrice.toString(10), 10);\n    }\n\n\n    // difficulty to bignumber\n    if(block.difficulty) {\n        if(typeof block.difficulty === 'string' && block.difficulty.indexOf('0x') === 0)\n            block.difficulty = new BigNumber(block.difficulty, 16);\n        else\n            block.difficulty = new BigNumber(block.difficulty.toString(10), 10);\n    }\n\n\n    // difficulty to bignumber\n    if(block.totalDifficulty) {\n        if(typeof block.totalDifficulty === 'string' && block.totalDifficulty.indexOf('0x') === 0)\n            block.totalDifficulty = new BigNumber(block.totalDifficulty, 16);\n        else\n            block.totalDifficulty = new BigNumber(block.totalDifficulty.toString(10), 10);\n    }\n\n    return block;\n};\n\n\nmodule.exports = {\n    formatInputInt: formatInputInt,\n    formatInputString: formatInputString,\n    formatInputBool: formatInputBool,\n    formatInputReal: formatInputReal,\n    formatOutputInt: formatOutputInt,\n    formatOutputUInt: formatOutputUInt,\n    formatOutputReal: formatOutputReal,\n    formatOutputUReal: formatOutputUReal,\n    formatOutputHash: formatOutputHash,\n    formatOutputBool: formatOutputBool,\n    formatOutputString: formatOutputString,\n    formatOutputAddress: formatOutputAddress,\n    convertToBigNumber: convertToBigNumber,\n    inputTransactionFormatter: inputTransactionFormatter,\n    outputTransactionFormatter: outputTransactionFormatter,\n    outputBlockFormatter: outputBlockFormatter\n};\n\n",
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file httpsync.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n * @date 2014\n */\n\nif (\"build\" !== 'build') {/*\n        var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line\n*/}\n\nvar HttpSyncProvider = function (host) {\n    this.handlers = [];\n    this.host = host || 'http://localhost:8080';\n};\n\nHttpSyncProvider.prototype.send = function (payload) {\n    //var data = formatJsonRpcObject(payload);\n\n    var request = new XMLHttpRequest();\n    request.open('POST', this.host, false);\n    request.send(JSON.stringify(payload));\n\n    var result = request.responseText;\n    // check request.status\n    if(request.status !== 200)\n        return;\n    return JSON.parse(result);\n};\n\nmodule.exports = HttpSyncProvider;\n\n",
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file jsonrpc.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nvar messageId = 1;\n\n/// Should be called to valid json create payload object\n/// @param method of jsonrpc call, required\n/// @param params, an array of method params, optional\n/// @returns valid jsonrpc payload object\nvar toPayload = function (method, params) {\n    if (!method)\n        console.error('jsonrpc method should be specified!');\n\n    return {\n        jsonrpc: '2.0',\n        method: method,\n        params: params || [],\n        id: messageId++\n    }; \n};\n\n/// Should be called to check if jsonrpc response is valid\n/// @returns true if response is valid, otherwise false \nvar isValidResponse = function (response) {\n    return !!response &&\n        !response.error &&\n        response.jsonrpc === '2.0' &&\n        typeof response.id === 'number' &&\n        response.result !== undefined; // only undefined is not valid json object\n};\n\n/// Should be called to create batch payload object\n/// @param messages, an array of objects with method (required) and params (optional) fields\nvar toBatchPayload = function (messages) {\n    return messages.map(function (message) {\n        return toPayload(message.method, message.params);\n    }); \n};\n\nmodule.exports = {\n    toPayload: toPayload,\n    isValidResponse: isValidResponse,\n    toBatchPayload: toBatchPayload\n};\n\n\n",
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file qtsync.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n * @date 2014\n */\n\nvar QtSyncProvider = function () {\n};\n\nQtSyncProvider.prototype.send = function (payload) {\n    var result = navigator.qt.callMethod(JSON.stringify(payload));\n    return JSON.parse(result);\n};\n\nmodule.exports = QtSyncProvider;\n\n",
@@ -43,7 +43,7 @@
     "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file shh.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\n/// @returns an array of objects describing web3.shh api methods\nvar methods = function () {\n    return [\n    { name: 'post', call: 'shh_post' },\n    { name: 'newIdentity', call: 'shh_newIdentity' },\n    { name: 'hasIdentity', call: 'shh_haveIdentity' },\n    { name: 'newGroup', call: 'shh_newGroup' },\n    { name: 'addToGroup', call: 'shh_addToGroup' },\n\n    // deprecated\n    { name: 'haveIdentity', call: 'shh_haveIdentity', newMethod: 'hasIdentity' },\n    ];\n};\n\nmodule.exports = {\n    methods: methods\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 signature.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nvar web3 = require('./web3'); \nvar c = require('./const');\n\n/// @param function name for which we want to get signature\n/// @returns signature of function with given name\nvar functionSignatureFromAscii = function (name) {\n    return web3.sha3(web3.fromAscii(name)).slice(0, 2 + c.ETH_SIGNATURE_LENGTH * 2);\n};\n\n/// @param event name for which we want to get signature\n/// @returns signature of event with given name\nvar eventSignatureFromAscii = function (name) {\n    return web3.sha3(web3.fromAscii(name));\n};\n\nmodule.exports = {\n    functionSignatureFromAscii: functionSignatureFromAscii,\n    eventSignatureFromAscii: eventSignatureFromAscii\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 types.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nvar f = require('./formatters');\n\n/// @param expected type prefix (string)\n/// @returns function which checks if type has matching prefix. if yes, returns true, otherwise false\nvar prefixedType = function (prefix) {\n    return function (type) {\n        return type.indexOf(prefix) === 0;\n    };\n};\n\n/// @param expected type name (string)\n/// @returns function which checks if type is matching expected one. if yes, returns true, otherwise false\nvar namedType = function (name) {\n    return function (type) {\n        return name === type;\n    };\n};\n\n/// Setups input formatters for solidity types\n/// @returns an array of input formatters \nvar inputTypes = function () {\n    \n    return [\n        { type: prefixedType('uint'), format: f.formatInputInt },\n        { type: prefixedType('int'), format: f.formatInputInt },\n        { type: prefixedType('hash'), format: f.formatInputInt },\n        { type: prefixedType('string'), format: f.formatInputString }, \n        { type: prefixedType('real'), format: f.formatInputReal },\n        { type: prefixedType('ureal'), format: f.formatInputReal },\n        { type: namedType('address'), format: f.formatInputInt },\n        { type: namedType('bool'), format: f.formatInputBool }\n    ];\n};\n\n/// Setups output formaters for solidity types\n/// @returns an array of output formatters\nvar outputTypes = function () {\n\n    return [\n        { type: prefixedType('uint'), format: f.formatOutputUInt },\n        { type: prefixedType('int'), format: f.formatOutputInt },\n        { type: prefixedType('hash'), format: f.formatOutputHash },\n        { type: prefixedType('string'), format: f.formatOutputString },\n        { type: prefixedType('real'), format: f.formatOutputReal },\n        { type: prefixedType('ureal'), format: f.formatOutputUReal },\n        { type: namedType('address'), format: f.formatOutputAddress },\n        { type: namedType('bool'), format: f.formatOutputBool }\n    ];\n};\n\nmodule.exports = {\n    prefixedType: prefixedType,\n    namedType: namedType,\n    inputTypes: inputTypes,\n    outputTypes: outputTypes\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 utils.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nvar c = require('./const');\n\nif (\"build\" !== 'build') {/*\n    var BigNumber = require('bignumber.js'); // jshint ignore:line\n*/}\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/// Finds first index of array element matching pattern\n/// @param array\n/// @param callback pattern\n/// @returns index of element\nvar findIndex = function (array, callback) {\n    var end = false;\n    var i = 0;\n    for (; i < array.length && !end; i++) {\n        end = callback(array[i]);\n    }\n    return end ? i - 1 : -1;\n};\n\n/// @returns ascii string representation of hex value prefixed with 0x\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    \nvar toHex = 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/// @returns hex representation (prefixed by 0x) of ascii string\nvar fromAscii = function(str, pad) {\n    pad = pad === undefined ? 0 : pad;\n    var hex = toHex(str);\n    while (hex.length < pad*2)\n        hex += \"00\";\n    return \"0x\" + hex;\n};\n\n/// @returns display name for function/event eg. multiply(uint256) -> multiply\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/// Filters all function from input abi\n/// @returns abi array with filtered objects of type 'function'\nvar filterFunctions = function (json) {\n    return json.filter(function (current) {\n        return current.type === 'function'; \n    }); \n};\n\n/// Filters all events form input abi\n/// @returns abi array with filtered objects of type 'event'\nvar filterEvents = function (json) {\n    return json.filter(function (current) {\n        return current.type === 'event';\n    });\n};\n\n/// used to transform value/string to eth string\n/// TODO: use BigNumber.js to parse int\n/// TODO: add tests for it!\nvar toEth = function (str) {\n\n    console.warn('This method is deprecated please use eth.fromWei(BigNumberOrNumber, unit) instead.');\n\n     /*jshint maxcomplexity:7 */\n    var val = typeof str === \"string\" ? str.indexOf('0x') === 0 ? parseInt(str.substr(2), 16) : parseInt(str.replace(/,/g,'').replace(/ /g,'')) : str;\n    var unit = 0;\n    var units = c.ETH_UNITS;\n    while (val > 3000 && unit < units.length - 1)\n    {\n        val /= 1000;\n        unit++;\n    }\n    var s = val.toString().length < val.toFixed(2).length ? val.toString() : val.toFixed(2);\n    var replaceFunction = function($0, $1, $2) {\n        return $1 + ',' + $2;\n    };\n\n    while (true) {\n        var o = s;\n        s = s.replace(/(\\d)(\\d\\d\\d[\\.\\,])/, replaceFunction);\n        if (o === s)\n            break;\n    }\n    return s + ' ' + units[unit];\n};\n\n\nvar toDecimal = function (val) {\n    // remove 0x and place 0, if it's required\n    val = val.length > 2 ? val.substring(2) : \"0\";\n    return (new BigNumber(val, 16).toString(10));\n};\n\nvar fromDecimal = function (val) {\n    return \"0x\" + (new BigNumber(val).toString(16));\n};\n\n\n/**\nTakes a number of wei and converts it to any other ether unit.\n\nPossible units are:\n\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\n@return {String|Object} When given a BigNumber object it returns one as well, otherwise a number\n*/\nvar fromWei = function(number, unit) {\n    /*jshint maxcomplexity: 6 */\n    unit = unit.toLowerCase();\n\n    var isBigNumber = true;\n\n    if(!unitMap[unit]) {\n        console.warn('This unit doesn\\'t exists, please use the one of the following units' , unitMap);\n        return number;\n    }\n\n    if(!number)\n        return number;\n\n    if(typeof number === 'string' && number.indexOf('0x') === 0) {\n        isBigNumber = false;\n        number = new BigNumber(number, 16);\n    }\n    \n    if(!(number instanceof BigNumber)) {\n        isBigNumber = false;\n        number = new BigNumber(number.toString(10), 10); // toString to prevent errors, the user have to handle giving correct bignums themselves\n    }\n\n    number = number.dividedBy(new BigNumber(unitMap[unit], 10));\n\n    return (isBigNumber) ? number : number.toString(10);\n};\n\n/**\nTakes a number of a unit and converts it to wei.\n\nPossible units are:\n\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 to\n@return {String|Object} When given a BigNumber object it returns one as well, otherwise a number\n*/\nvar toWei = function(number, unit) {\n    /*jshint maxcomplexity: 6 */\n    unit = unit.toLowerCase();\n\n    var isBigNumber = true;\n\n    if(!unitMap[unit]) {\n        console.warn('This unit doesn\\'t exists, please use the one of the following units' , unitMap);\n        return number;\n    }\n\n    if(!number)\n        return number;\n\n    if(typeof number === 'string' && number.indexOf('0x') === 0) {\n        isBigNumber = false;\n        number = new BigNumber(number, 16);\n    }\n\n    if(!(number instanceof BigNumber)) {\n        isBigNumber = false;\n        number = new BigNumber(number.toString(10), 10);// toString to prevent errors, the user have to handle giving correct bignums themselves\n    }\n\n\n    number = number.times(new BigNumber(unitMap[unit], 10));\n\n    return (isBigNumber) ? number : number.toString(10);\n};\n\n\n/**\nChecks if the given string is a valid ethereum HEX address.\n\n@method isAddress\n@param {String} address the given HEX adress\n@return {Boolean}\n*/\nvar isAddress = function(address) {\n    if(address.indexOf('0x') === 0 && address.length !== 42)\n        return false;\n    if(address.indexOf('0x') === -1 && address.length !== 40)\n        return false;\n\n    return /^\\w+$/.test(address);\n};\n\n\nmodule.exports = {\n    findIndex: findIndex,\n    toDecimal: toDecimal,\n    fromDecimal: fromDecimal,\n    toAscii: toAscii,\n    fromAscii: fromAscii,\n    extractDisplayName: extractDisplayName,\n    extractTypeName: extractTypeName,\n    filterFunctions: filterFunctions,\n    filterEvents: filterEvents,\n    toEth: toEth,\n    toWei: toWei,\n    fromWei: fromWei,\n    isAddress: isAddress\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 utils.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nvar c = require('./const');\n\nif (\"build\" !== 'build') {/*\n    var BigNumber = require('bignumber.js'); // jshint ignore:line\n*/}\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/// Finds first index of array element matching pattern\n/// @param array\n/// @param callback pattern\n/// @returns index of element\nvar findIndex = function (array, callback) {\n    var end = false;\n    var i = 0;\n    for (; i < array.length && !end; i++) {\n        end = callback(array[i]);\n    }\n    return end ? i - 1 : -1;\n};\n\n/// @returns ascii string representation of hex value prefixed with 0x\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    \nvar toHex = 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/// @returns hex representation (prefixed by 0x) of ascii string\nvar fromAscii = function(str, pad) {\n    pad = pad === undefined ? 0 : pad;\n    var hex = toHex(str);\n    while (hex.length < pad*2)\n        hex += \"00\";\n    return \"0x\" + hex;\n};\n\n/// @returns display name for function/event eg. multiply(uint256) -> multiply\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/// Filters all function from input abi\n/// @returns abi array with filtered objects of type 'function'\nvar filterFunctions = function (json) {\n    return json.filter(function (current) {\n        return current.type === 'function'; \n    }); \n};\n\n/// Filters all events form input abi\n/// @returns abi array with filtered objects of type 'event'\nvar filterEvents = function (json) {\n    return json.filter(function (current) {\n        return current.type === 'event';\n    });\n};\n\n/// used to transform value/string to eth string\n/// TODO: use BigNumber.js to parse int\n/// TODO: add tests for it!\nvar toEth = function (str) {\n\n    console.warn('This method is deprecated please use eth.fromWei(BigNumberOrNumber, unit) instead.');\n\n     /*jshint maxcomplexity:7 */\n    var val = typeof str === \"string\" ? str.indexOf('0x') === 0 ? parseInt(str.substr(2), 16) : parseInt(str.replace(/,/g,'').replace(/ /g,'')) : str;\n    var unit = 0;\n    var units = c.ETH_UNITS;\n    while (val > 3000 && unit < units.length - 1)\n    {\n        val /= 1000;\n        unit++;\n    }\n    var s = val.toString().length < val.toFixed(2).length ? val.toString() : val.toFixed(2);\n    var replaceFunction = function($0, $1, $2) {\n        return $1 + ',' + $2;\n    };\n\n    while (true) {\n        var o = s;\n        s = s.replace(/(\\d)(\\d\\d\\d[\\.\\,])/, replaceFunction);\n        if (o === s)\n            break;\n    }\n    return s + ' ' + units[unit];\n};\n\n\nvar toDecimal = function (val) {\n    // remove 0x and place 0, if it's required\n    val = val.length > 2 ? val.substring(2) : \"0\";\n    return (new BigNumber(val, 16).toString(10));\n};\n\nvar fromDecimal = function (val) {\n    return \"0x\" + (new BigNumber(val).toString(16));\n};\n\n\n/**\nTakes a number of wei and converts it to any other ether unit.\n\nPossible units are:\n\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\n@return {String|Object} When given a BigNumber object it returns one as well, otherwise a number\n*/\nvar fromWei = function(number, unit) {\n    /*jshint maxcomplexity: 6 */\n    unit = unit.toLowerCase();\n\n    var isBigNumber = true;\n\n    if(!unitMap[unit]) {\n        console.warn('This unit doesn\\'t exists, please use the one of the following units' , unitMap);\n        return number;\n    }\n\n    if(!number)\n        return number;\n\n    if(typeof number === 'string' && number.indexOf('0x') === 0) {\n        isBigNumber = false;\n        number = new BigNumber(number, 16);\n    }\n    \n    if(!(number instanceof BigNumber)) {\n        isBigNumber = false;\n        number = new BigNumber(number.toString(10), 10); // toString to prevent errors, the user have to handle giving correct bignums themselves\n    }\n\n    number = number.dividedBy(new BigNumber(unitMap[unit], 10));\n\n    return (isBigNumber) ? number : number.toString(10);\n};\n\n/**\nTakes a number of a unit and converts it to wei.\n\nPossible units are:\n\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 to\n@return {String|Object} When given a BigNumber object it returns one as well, otherwise a number\n*/\nvar toWei = function(number, unit) {\n    /*jshint maxcomplexity: 6 */\n    unit = unit.toLowerCase();\n\n    var isBigNumber = true;\n\n    if(!unitMap[unit]) {\n        console.warn('This unit doesn\\'t exists, please use the one of the following units' , unitMap);\n        return number;\n    }\n\n    if(!number)\n        return number;\n\n    if(typeof number === 'string' && number.indexOf('0x') === 0) {\n        isBigNumber = false;\n        number = new BigNumber(number, 16);\n    }\n\n    if(!(number instanceof BigNumber)) {\n        isBigNumber = false;\n        number = new BigNumber(number.toString(10), 10);// toString to prevent errors, the user have to handle giving correct bignums themselves\n    }\n\n\n    number = number.times(new BigNumber(unitMap[unit], 10));\n\n    return (isBigNumber) ? number : number.toString(10);\n};\n\n\n/**\nChecks if the given string is a valid ethereum HEX address.\n\n@method isAddress\n@param {String} address the given HEX adress\n@return {Boolean}\n*/\nvar isAddress = function(address) {\n    if(address.indexOf('0x') === 0 && address.length !== 42)\n        return false;\n    if(address.indexOf('0x') === -1 && address.length !== 40)\n        return false;\n\n    return /^\\w+$/.test(address);\n};\n\nvar isBigNumber = function (value) {\n    return value instanceof BigNumber ||\n        (value && value.constructor && value.constructor.name === 'BigNumber');\n};\n\n\nmodule.exports = {\n    findIndex: findIndex,\n    toDecimal: toDecimal,\n    fromDecimal: fromDecimal,\n    toAscii: toAscii,\n    fromAscii: fromAscii,\n    extractDisplayName: extractDisplayName,\n    extractTypeName: extractTypeName,\n    filterFunctions: filterFunctions,\n    filterEvents: filterEvents,\n    toEth: toEth,\n    toWei: toWei,\n    fromWei: fromWei,\n    isAddress: isAddress,\n    isBigNumber: isBigNumber\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 watches.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\n/// @returns an array of objects describing web3.eth.filter api methods\nvar eth = function () {\n    var newFilter = function (args) {\n        return typeof args[0] === 'string' ? 'eth_newFilterString' : 'eth_newFilter';\n    };\n\n    return [\n    { name: 'newFilter', call: newFilter },\n    { name: 'uninstallFilter', call: 'eth_uninstallFilter' },\n    { name: 'getLogs', call: 'eth_filterLogs' }\n    ];\n};\n\n/// @returns an array of objects describing web3.shh.watch api methods\nvar shh = function () {\n    return [\n    { name: 'newFilter', call: 'shh_newFilter' },\n    { name: 'uninstallFilter', call: 'shh_uninstallFilter' },\n    { name: 'getLogs', call: 'shh_getMessages' }\n    ];\n};\n\nmodule.exports = {\n    eth: eth,\n    shh: shh\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 web3.js\n * @authors:\n *   Jeffrey Wilcke <jeff@ethdev.com>\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n *   Gav Wood <g@ethdev.com>\n * @date 2014\n */\n\n// if (process.env.NODE_ENV !== 'build') {\n//     var BigNumber = require('bignumber.js');\n// }\n\nvar eth = require('./eth');\nvar db = require('./db');\nvar shh = require('./shh');\nvar watches = require('./watches');\nvar filter = require('./filter');\nvar utils = require('./utils');\nvar requestManager = require('./requestmanager');\n\n/// @returns an array of objects describing web3 api methods\nvar web3Methods = function () {\n    return [\n    { name: 'sha3', call: 'web3_sha3' }\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        // allow for object methods 'myObject.method'\n        var objectMethods = method.name.split('.'),\n            callFunction = function () {\n                var args = Array.prototype.slice.call(arguments);\n                var call = typeof method.call === 'function' ? method.call(args) : method.call;\n\n                // show deprecated warning\n                if(method.newMethod)\n                    console.warn('This method is deprecated please use eth.'+ method.newMethod +'() instead.');\n\n                return web3.manager.send({\n                    method: call,\n                    params: args,\n                    outputFormatter: method.outputFormatter,\n                    inputFormatter: method.inputFormatter\n                });\n            };\n\n        if(objectMethods.length > 1) {\n            if(!obj[objectMethods[0]])\n                obj[objectMethods[0]] = {};\n\n            obj[objectMethods[0]][objectMethods[1]] = callFunction;\n        \n        } else {\n\n            obj[objectMethods[0]] = callFunction;\n        }\n\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        var proto = {};\n        proto.get = function () {\n\n            // show deprecated warning\n            if(property.newProperty)\n                console.warn('This property is deprecated please use eth.'+ property.newProperty +' instead.');\n\n\n            return web3.manager.send({\n                method: property.getter,\n                outputFormatter: property.outputFormatter\n            });\n        };\n\n        if (property.setter) {\n            proto.set = function (val) {\n\n                // show deprecated warning\n                if(property.newProperty)\n                    console.warn('This property is deprecated please use eth.'+ property.newProperty +' instead.');\n\n                return web3.manager.send({\n                    method: property.setter,\n                    params: [val],\n                    inputFormatter: property.inputFormatter\n                });\n            };\n        }\n\n        proto.enumerable = !property.newProperty;\n        Object.defineProperty(obj, property.name, proto);\n\n    });\n};\n\n/*jshint maxparams:4 */\nvar startPolling = function (method, id, callback, uninstall) {\n    web3.manager.startPolling({\n        method: method, \n        params: [id]\n    }, id,  callback, uninstall); \n};\n/*jshint maxparams:3 */\n\nvar stopPolling = function (id) {\n    web3.manager.stopPolling(id);\n};\n\nvar ethWatch = {\n    startPolling: startPolling.bind(null, 'eth_changed'), \n    stopPolling: stopPolling\n};\n\nvar shhWatch = {\n    startPolling: startPolling.bind(null, 'shh_changed'), \n    stopPolling: stopPolling\n};\n\n/// setups web3 object, and it's in-browser executed methods\nvar web3 = {\n    manager: requestManager(),\n    providers: {},\n\n    setProvider: function (provider) {\n        web3.manager.setProvider(provider);\n    },\n    \n    /// Should be called to reset state of web3 object\n    /// Resets everything except manager\n    reset: function () {\n        web3.manager.reset(); \n    },\n\n    /// @returns ascii string representation of hex value prefixed with 0x\n    toAscii: utils.toAscii,\n\n    /// @returns hex representation (prefixed by 0x) of ascii string\n    fromAscii: utils.fromAscii,\n\n    /// @returns decimal representaton of hex value prefixed by 0x\n    toDecimal: utils.toDecimal,\n\n    /// @returns hex representation (prefixed by 0x) of decimal value\n    fromDecimal: utils.fromDecimal,\n\n    /// used to transform value/string to eth string\n    toEth: utils.toEth,\n\n    toWei: utils.toWei,\n    fromWei: utils.fromWei,\n    isAddress: utils.isAddress,\n\n\n    /// eth object prototype\n    eth: {\n        // DEPRECATED\n        contractFromAbi: function (abi) {\n            console.warn('Initiating a contract like this is deprecated please use var MyContract = eth.contract(abi); new MyContract(address); instead.');\n\n            return function(addr) {\n                // Default to address of Config. TODO: rremove prior to genesis.\n                addr = addr || '0xc6d9d2cd449a754c494264e1809c50e34d64562b';\n                var ret = web3.eth.contract(addr, abi);\n                ret.address = addr;\n                return ret;\n            };\n        },\n\n        /// @param filter may be a string, object or event\n        /// @param eventParams is optional, this is an object with optional event eventParams params\n        /// @param options is optional, this is an object with optional event options ('max'...)\n        /// TODO: fix it, 4 params? no way\n        /*jshint maxparams:4 */\n        filter: function (fil, eventParams, options, formatter) {\n\n            // if its event, treat it differently\n            if (fil._isEvent)\n                return fil(eventParams, options);\n\n            return filter(fil, ethWatch, formatter);\n        },\n        // DEPRECATED\n        watch: function (fil, eventParams, options, formatter) {\n            console.warn('eth.watch() is deprecated please use eth.filter() instead.');\n            return this.filter(fil, eventParams, options, formatter);\n        }\n        /*jshint maxparams:3 */\n    },\n\n    /// db object prototype\n    db: {},\n\n    /// shh object prototype\n    shh: {\n        /// @param filter may be a string, object or event\n        filter: function (fil) {\n            return filter(fil, shhWatch);\n        },\n        // DEPRECATED\n        watch: function (fil) {\n            console.warn('shh.watch() is deprecated please use shh.filter() instead.');\n            return this.filter(fil);\n        }\n    }\n};\n\n/// setups all api methods\nsetupMethods(web3, web3Methods());\nsetupMethods(web3.eth, eth.methods);\nsetupProperties(web3.eth, eth.properties);\nsetupMethods(web3.db, db.methods());\nsetupMethods(web3.shh, shh.methods());\nsetupMethods(ethWatch, watches.eth());\nsetupMethods(shhWatch, watches.shh());\n\nmodule.exports = web3;\n\n",
     "var web3 = require('./lib/web3');\nweb3.providers.HttpSyncProvider = require('./lib/httpsync');\nweb3.providers.QtSyncProvider = require('./lib/qtsync');\nweb3.eth.contract = require('./lib/contract');\nweb3.abi = require('./lib/abi');\n\nmodule.exports = web3;\n"
diff --git a/dist/ethereum.min.js b/dist/ethereum.min.js
index 957540b..eb168e3 100644
--- a/dist/ethereum.min.js
+++ b/dist/ethereum.min.js
@@ -1 +1 @@
-require=function t(e,n,r){function a(i,u){if(!n[i]){if(!e[i]){var s="function"==typeof require&&require;if(!u&&s)return s(i,!0);if(o)return o(i,!0);var c=new Error("Cannot find module '"+i+"'");throw c.code="MODULE_NOT_FOUND",c}var f=n[i]={exports:{}};e[i][0].call(f.exports,function(t){var n=e[i][1][t];return a(n?n:t)},f,f.exports,t,e,n,r)}return n[i].exports}for(var o="function"==typeof require&&require,i=0;i<r.length;i++)a(r[i]);return a}({1:[function(t,e){var n=t("./utils"),r=t("./types"),a=t("./const"),o=t("./formatters"),i=function(t){console.error("parser does not support type: "+t)},u=function(t){return"[]"===t.slice(-2)},s=function(t,e){return u(t)||"string"===t?o.formatInputInt(e.length):""},c=r.inputTypes(),f=function(t,e){var n="",r="",a="";return t.forEach(function(t,r){n+=s(t.type,e[r])}),t.forEach(function(n,o){for(var s=!1,f=0;f<c.length&&!s;f++)s=c[f].type(t[o].type,e[o]);s||i(t[o].type);var l=c[f-1].format;u(t[o].type)?a+=e[o].reduce(function(t,e){return t+l(e)},""):"string"===t[o].type?a+=l(e[o]):r+=l(e[o])}),n+=r+a},l=function(t){return u(t)||"string"===t?2*a.ETH_PADDING:0},p=r.outputTypes(),m=function(t,e){e=e.slice(2);var n=[],s=2*a.ETH_PADDING,c=t.reduce(function(t,e){return t+l(e.type)},0),f=e.slice(0,c);return e=e.slice(c),t.forEach(function(a,c){for(var l=!1,m=0;m<p.length&&!l;m++)l=p[m].type(t[c].type);l||i(t[c].type);var h=p[m-1].format;if(u(t[c].type)){var d=o.formatOutputUInt(f.slice(0,s));f=f.slice(s);for(var g=[],y=0;d>y;y++)g.push(h(e.slice(0,s))),e=e.slice(s);n.push(g)}else r.prefixedType("string")(t[c].type)?(f=f.slice(s),n.push(h(e.slice(0,s))),e=e.slice(s)):(n.push(h(e.slice(0,s))),e=e.slice(s))}),n},h=function(t){var e={};return t.forEach(function(t){var r=n.extractDisplayName(t.name),a=n.extractTypeName(t.name),o=function(){var e=Array.prototype.slice.call(arguments);return f(t.inputs,e)};void 0===e[r]&&(e[r]=o),e[r][a]=o}),e},d=function(t){var e={};return t.forEach(function(t){var r=n.extractDisplayName(t.name),a=n.extractTypeName(t.name),o=function(e){return m(t.outputs,e)};void 0===e[r]&&(e[r]=o),e[r][a]=o}),e};e.exports={inputParser:h,outputParser:d,formatInput:f,formatOutput:m}},{"./const":2,"./formatters":8,"./types":15,"./utils":16}],2:[function(t,e){var n=["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:n,ETH_BIGNUMBER_ROUNDING_MODE:{ROUNDING_MODE:BigNumber.ROUND_DOWN},ETH_POLLING_TIMEOUT:1e3}},{}],3:[function(t,e){function n(t,e){t.forEach(function(t){if(-1===t.name.indexOf("(")){var e=t.name,n=t.inputs.map(function(t){return t.type}).join();t.name=e+"("+n+")"}});var n={};return c(n),f(n,t,e),l(n,t,e),p(n,t,e),n}var r=t("./web3"),a=t("./abi"),o=t("./utils"),i=t("./event"),u=t("./signature"),s=function(t){r._currentContractAbi=t.abi,r._currentContractAddress=t.address,r._currentContractMethodName=t.method,r._currentContractMethodParams=t.params},c=function(t){t.call=function(e){return t._isTransaction=!1,t._options=e,t},t.sendTransaction=function(e){return t._isTransaction=!0,t._options=e,t},t.transact=function(e){return console.warn("myContract.transact() is deprecated please use myContract.sendTransaction() instead."),t.sendTransaction(e)},t._options={},["gas","gasPrice","value","from"].forEach(function(e){t[e]=function(n){return t._options[e]=n,t}})},f=function(t,e,n){var i=a.inputParser(e),c=a.outputParser(e);o.filterFunctions(e).forEach(function(a){var f=o.extractDisplayName(a.name),l=o.extractTypeName(a.name),p=function(){var o=Array.prototype.slice.call(arguments),p=u.functionSignatureFromAscii(a.name),m=i[f][l].apply(null,o),h=t._options||{};h.to=n,h.data=p+m;var d=t._isTransaction===!0||t._isTransaction!==!1&&!a.constant,g=h.collapse!==!1;if(t._options={},t._isTransaction=null,d)return s({abi:e,address:n,method:a.name,params:o}),void r.eth.sendTransaction(h);var y=r.eth.call(h),v=c[f][l](y);return g&&(1===v.length?v=v[0]:0===v.length&&(v=null)),v};void 0===t[f]&&(t[f]=p),t[f][l]=p})},l=function(t,e,n){t.address=n,t._onWatchEventResult=function(t){var n=event.getMatchingEvent(o.filterEvents(e)),r=i.outputParser(n);return r(t)},Object.defineProperty(t,"topic",{get:function(){return o.filterEvents(e).map(function(t){return u.eventSignatureFromAscii(t.name)})}})},p=function(t,e,n){o.filterEvents(e).forEach(function(e){var a=function(){var t=Array.prototype.slice.call(arguments),a=u.eventSignatureFromAscii(e.name),o=i.inputParser(n,a,e),s=o.apply(null,t),c=function(t){var n=i.outputParser(e);return n(t)};return r.eth.filter(s,void 0,void 0,c)};a._isEvent=!0;var s=o.extractDisplayName(e.name),c=o.extractTypeName(e.name);void 0===t[s]&&(t[s]=a),t[s][c]=a})},m=function(t){return t instanceof Array&&1===arguments.length?n.bind(null,t):(console.warn("Initiating a contract like this is deprecated please use var MyContract = eth.contract(abi); new MyContract(address); instead."),new n(arguments[1],arguments[0]))};e.exports=m},{"./abi":1,"./event":6,"./signature":14,"./utils":16,"./web3":18}],4:[function(t,e){var n=function(){return[{name:"put",call:"db_put"},{name:"get",call:"db_get"},{name:"putString",call:"db_putString"},{name:"getString",call:"db_getString"}]};e.exports={methods:n}},{}],5:[function(t,e){var n=t("./formatters"),r=function(t){return"string"==typeof t[0]?"eth_blockByHash":"eth_blockByNumber"},a=function(t){return"string"==typeof t[0]?"eth_transactionByHash":"eth_transactionByNumber"},o=function(t){return"string"==typeof t[0]?"eth_uncleByHash":"eth_uncleByNumber"},i=function(t){return"string"==typeof t[0]?"eth_transactionCountByHash":"eth_transactionCountByNumber"},u=function(t){return"string"==typeof t[0]?"eth_uncleCountByHash":"eth_uncleCountByNumber"},s=[{name:"getBalance",call:"eth_balanceAt",outputFormatter:n.convertToBigNumber},{name:"getState",call:"eth_stateAt"},{name:"getStorage",call:"eth_storageAt"},{name:"getData",call:"eth_codeAt"},{name:"getBlock",call:r,outputFormatter:n.outputBlockFormatter},{name:"getUncle",call:o,outputFormatter:n.outputBlockFormatter},{name:"getCompilers",call:"eth_compilers"},{name:"getBlockTransactionCount",call:i},{name:"getBlockUncleCount",call:u},{name:"getTransaction",call:a,outputFormatter:n.outputTransactionFormatter},{name:"getTransactionCount",call:"eth_countAt"},{name:"sendTransaction",call:"eth_transact",inputFormatter:n.inputTransactionFormatter},{name:"call",call:"eth_call"},{name:"compile.solidity",call:"eth_solidity"},{name:"compile.lll",call:"eth_lll"},{name:"compile.serpent",call:"eth_serpent"},{name:"flush",call:"eth_flush"},{name:"balanceAt",call:"eth_balanceAt",newMethod:"getBalance"},{name:"stateAt",call:"eth_stateAt",newMethod:"getState"},{name:"storageAt",call:"eth_storageAt",newMethod:"getStorage"},{name:"countAt",call:"eth_countAt",newMethod:"getTransactionCount"},{name:"codeAt",call:"eth_codeAt",newMethod:"getData"},{name:"transact",call:"eth_transact",newMethod:"sendTransaction"},{name:"block",call:r,newMethod:"getBlock"},{name:"transaction",call:a,newMethod:"getTransaction"},{name:"uncle",call:o,newMethod:"getUncle"},{name:"compilers",call:"eth_compilers",newMethod:"getCompilers"},{name:"solidity",call:"eth_solidity",newMethod:"compile.solidity"},{name:"lll",call:"eth_lll",newMethod:"compile.lll"},{name:"serpent",call:"eth_serpent",newMethod:"compile.serpent"},{name:"transactionCount",call:i,newMethod:"getBlockTransactionCount"},{name:"uncleCount",call:u,newMethod:"getBlockUncleCount"},{name:"logs",call:"eth_logs"}],c=[{name:"coinbase",getter:"eth_coinbase",setter:"eth_setCoinbase"},{name:"listening",getter:"eth_listening",setter:"eth_setListening"},{name:"mining",getter:"eth_mining",setter:"eth_setMining"},{name:"gasPrice",getter:"eth_gasPrice",outputFormatter:n.convertToBigNumber},{name:"accounts",getter:"eth_accounts"},{name:"peerCount",getter:"eth_peerCount"},{name:"defaultBlock",getter:"eth_defaultBlock",setter:"eth_setDefaultBlock"},{name:"blockNumber",getter:"eth_number"},{name:"number",getter:"eth_number",newProperty:"blockNumber"}];e.exports={methods:s,properties:c}},{"./formatters":8}],6:[function(t,e){var n=t("./abi"),r=t("./utils"),a=t("./signature"),o=function(t,e){return t.filter(function(t){return t.indexed===e})},i=function(t,e){var n=r.findIndex(t,function(t){return t.name===e});return-1===n?void console.error("indexed param with name "+e+" not found"):t[n]},u=function(t,e){return Object.keys(e).map(function(r){var a=[i(o(t.inputs,!0),r)],u=e[r];return u instanceof Array?u.map(function(t){return n.formatInput(a,[t])}):n.formatInput(a,[u])})},s=function(t,e,n){return function(r,a){var o=a||{};return o.address=t,o.topic=[],o.topic.push(e),r&&(o.topic=o.topic.concat(u(n,r))),o}},c=function(t,e,n){var r=e.slice(),a=n.slice();return t.reduce(function(t,e){var n;return n=e.indexed?r.splice(0,1)[0]:a.splice(0,1)[0],t[e.name]=n,t},{})},f=function(t){return function(e){var a={event:r.extractDisplayName(t.name),number:e.number,hash:e.hash,args:{}};if(e.topics=e.topic,!e.topic)return a;var i=o(t.inputs,!0),u="0x"+e.topic.slice(1,e.topic.length).map(function(t){return t.slice(2)}).join(""),s=n.formatOutput(i,u),f=o(t.inputs,!1),l=n.formatOutput(f,e.data);return a.args=c(t.inputs,s,l),a}},l=function(t,e){for(var n=0;n<t.length;n++){var r=a.eventSignatureFromAscii(t[n].name);if(r===e.topic[0])return t[n]}return void 0};e.exports={inputParser:s,outputParser:f,getMatchingEvent:l}},{"./abi":1,"./signature":14,"./utils":16}],7:[function(t,e){var n=function(t){return!!t&&"function"==typeof t.newFilter&&"function"==typeof t.getLogs&&"function"==typeof t.uninstallFilter&&"function"==typeof t.startPolling&&"function"==typeof t.stopPolling},r=function(t){return"string"==typeof t?t:(t=t||{},t.topics&&console.warn('"topics" is deprecated, is "topic" instead'),{to:t.to,topic:t.topic,earliest:t.earliest,latest:t.latest,max:t.max,skip:t.skip,address:t.address})},a=function(t,e,a){if(!n(e))return void console.error("filter implemenation is invalid");t=r(t);var o=[],i=e.newFilter(t),u=function(t){t.forEach(function(t){t=a?a(t):t,o.forEach(function(e){e(t)})})};e.startPolling(i,u,e.uninstallFilter);var s=function(t){o.push(t)},c=function(){e.stopPolling(i),e.uninstallFilter(i),o=[]},f=function(){return e.getLogs(i)};return{watch:s,stopWatching:c,get:f,changed:function(){return console.warn("watch().changed() is deprecated please use filter().watch() instead."),s.apply(this,arguments)},arrived:function(){return console.warn("watch().arrived() is deprecated please use filter().watch() instead."),s.apply(this,arguments)},happened:function(){return console.warn("watch().happened() is deprecated please use filter().watch() instead."),s.apply(this,arguments)},uninstall:function(){return console.warn("watch().uninstall() is deprecated please use filter().stopWatching() instead."),c.apply(this,arguments)},messages:function(){return console.warn("watch().messages() is deprecated please use filter().get() instead."),f.apply(this,arguments)},logs:function(){return console.warn("watch().logs() is deprecated please use filter().get() instead."),f.apply(this,arguments)}}};e.exports=a},{}],8:[function(t,e){var n=t("./utils"),r=t("./const"),a=function(t,e,n){return new Array(e-t.length+1).join(n?n:"0")+t},o=function(t){var e=2*r.ETH_PADDING;return t instanceof BigNumber||"number"==typeof t?("number"==typeof t&&(t=new BigNumber(t)),BigNumber.config(r.ETH_BIGNUMBER_ROUNDING_MODE),t=t.round(),t.lessThan(0)&&(t=new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16).plus(t).plus(1)),t=t.toString(16)):t=0===t.indexOf("0x")?t.substr(2):"string"==typeof t?o(new BigNumber(t)):(+t).toString(16),a(t,e)},i=function(t){return n.fromAscii(t,r.ETH_PADDING).substr(2)},u=function(t){return"000000000000000000000000000000000000000000000000000000000000000"+(t?"1":"0")},s=function(t){return o(new BigNumber(t).times(new BigNumber(2).pow(128)))},c=function(t){return"1"===new BigNumber(t.substr(0,1),16).toString(2).substr(0,1)},f=function(t){return t=t||"0",c(t)?new BigNumber(t,16).minus(new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16)).minus(1):new BigNumber(t,16)},l=function(t){return t=t||"0",new BigNumber(t,16)},p=function(t){return f(t).dividedBy(new BigNumber(2).pow(128))},m=function(t){return l(t).dividedBy(new BigNumber(2).pow(128))},h=function(t){return"0x"+t},d=function(t){return"0000000000000000000000000000000000000000000000000000000000000001"===t?!0:!1},g=function(t){return n.toAscii(t)},y=function(t){return"0x"+t.slice(t.length-40,t.length)},v=function(t){return"string"==typeof t&&(t=t.replace("0x","")),t=t||"0",new BigNumber(t,16)},b=function(t){return t.code&&(t.data=t.code,delete t.code),t.endowment&&(t.value=t.endowment,delete t.endowment),["gasPrice","value"].forEach(function(e){"string"==typeof t[e]?-1===t[e].indexOf("0x")&&(t[e]=n.fromDecimal(t[e])):"number"==typeof t[e]?t[e]=n.fromDecimal(t[e]):t[e]instanceof BigNumber&&(t[e]="0x"+t[e].toString(16))}),t.gas=Number(t.gas),t},w=function(t){return t.gas=Number(t.gas),t.gasPrice="string"==typeof t.gasPrice&&0===t.gasPrice.indexOf("0x")?new BigNumber(t.gasPrice,16):new BigNumber(t.gasPrice.toString(10),10),t.value="string"==typeof t.value&&0===t.value.indexOf("0x")?new BigNumber(t.value,16):new BigNumber(t.value.toString(10),10),t},_=function(t){return t.gasLimit=Number(t.gasLimit),t.gasUsed=Number(t.gasUsed),t.size=Number(t.size),t.timestamp=Number(t.timestamp),t.number=Number(t.number),t.minGasPrice&&(t.minGasPrice="string"==typeof t.minGasPrice&&0===t.minGasPrice.indexOf("0x")?new BigNumber(t.minGasPrice,16):new BigNumber(t.minGasPrice.toString(10),10)),t.difficulty&&(t.difficulty="string"==typeof t.difficulty&&0===t.difficulty.indexOf("0x")?new BigNumber(t.difficulty,16):new BigNumber(t.difficulty.toString(10),10)),t.totalDifficulty&&(t.totalDifficulty="string"==typeof t.totalDifficulty&&0===t.totalDifficulty.indexOf("0x")?new BigNumber(t.totalDifficulty,16):new BigNumber(t.totalDifficulty.toString(10),10)),t};e.exports={formatInputInt:o,formatInputString:i,formatInputBool:u,formatInputReal:s,formatOutputInt:f,formatOutputUInt:l,formatOutputReal:p,formatOutputUReal:m,formatOutputHash:h,formatOutputBool:d,formatOutputString:g,formatOutputAddress:y,convertToBigNumber:v,inputTransactionFormatter:b,outputTransactionFormatter:w,outputBlockFormatter:_}},{"./const":2,"./utils":16}],9:[function(t,e){var n=function(t){this.handlers=[],this.host=t||"http://localhost:8080"};n.prototype.send=function(t){var e=new XMLHttpRequest;e.open("POST",this.host,!1),e.send(JSON.stringify(t));var n=e.responseText;return 200===e.status?JSON.parse(n):void 0},e.exports=n},{}],10:[function(t,e){var n=1,r=function(t,e){return t||console.error("jsonrpc method should be specified!"),{jsonrpc:"2.0",method:t,params:e||[],id:n++}},a=function(t){return!!t&&!t.error&&"2.0"===t.jsonrpc&&"number"==typeof t.id&&void 0!==t.result},o=function(t){return t.map(function(t){return r(t.method,t.params)})};e.exports={toPayload:r,isValidResponse:a,toBatchPayload:o}},{}],11:[function(t,e){var n=function(){};n.prototype.send=function(t){var e=navigator.qt.callMethod(JSON.stringify(t));return JSON.parse(e)},e.exports=n},{}],12:[function(t,e){var n=t("./jsonrpc"),r=t("./const"),a=function(){var t,e=[],a=null,o=function(e){"function"==typeof e.inputFormatter&&(e.params=Array.prototype.map.call(e.params,function(t){return e.inputFormatter(t)}));var r=n.toPayload(e.method,e.params);if(!t)return console.error("provider is not set"),null;var a=t.send(r);return n.isValidResponse(a)?"function"==typeof e.outputFormatter?e.outputFormatter(a.result):a.result:(console.log(a),"object"==typeof a&&a.error&&a.error.message&&console.error(a.error.message),null)},i=function(e){t=e},u=function(t,n,r,a){e.push({data:t,id:n,callback:r,uninstall:a})},s=function(t){for(var n=e.length;n--;){var r=e[n];r.id===t&&e.splice(n,1)}},c=function(){e.forEach(function(t){t.uninstall(t.id)}),e=[],a&&(clearTimeout(a),a=null),f()},f=function(){e.forEach(function(t){var e=o(t.data);e instanceof Array&&0!==e.length&&t.callback(e)}),a=setTimeout(f,r.ETH_POLLING_TIMEOUT)};return f(),{send:o,setProvider:i,startPolling:u,stopPolling:s,reset:c}};e.exports=a},{"./const":2,"./jsonrpc":10}],13:[function(t,e){var n=function(){return[{name:"post",call:"shh_post"},{name:"newIdentity",call:"shh_newIdentity"},{name:"hasIdentity",call:"shh_haveIdentity"},{name:"newGroup",call:"shh_newGroup"},{name:"addToGroup",call:"shh_addToGroup"},{name:"haveIdentity",call:"shh_haveIdentity",newMethod:"hasIdentity"}]};e.exports={methods:n}},{}],14:[function(t,e){var n=t("./web3"),r=t("./const"),a=function(t){return n.sha3(n.fromAscii(t)).slice(0,2+2*r.ETH_SIGNATURE_LENGTH)},o=function(t){return n.sha3(n.fromAscii(t))};e.exports={functionSignatureFromAscii:a,eventSignatureFromAscii:o}},{"./const":2,"./web3":18}],15:[function(t,e){var n=t("./formatters"),r=function(t){return function(e){return 0===e.indexOf(t)}},a=function(t){return function(e){return t===e}},o=function(){return[{type:r("uint"),format:n.formatInputInt},{type:r("int"),format:n.formatInputInt},{type:r("hash"),format:n.formatInputInt},{type:r("string"),format:n.formatInputString},{type:r("real"),format:n.formatInputReal},{type:r("ureal"),format:n.formatInputReal},{type:a("address"),format:n.formatInputInt},{type:a("bool"),format:n.formatInputBool}]},i=function(){return[{type:r("uint"),format:n.formatOutputUInt},{type:r("int"),format:n.formatOutputInt},{type:r("hash"),format:n.formatOutputHash},{type:r("string"),format:n.formatOutputString},{type:r("real"),format:n.formatOutputReal},{type:r("ureal"),format:n.formatOutputUReal},{type:a("address"),format:n.formatOutputAddress},{type:a("bool"),format:n.formatOutputBool}]};e.exports={prefixedType:r,namedType:a,inputTypes:o,outputTypes:i}},{"./formatters":8}],16:[function(t,e){var n=t("./const"),r={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"},a=function(t,e){for(var n=!1,r=0;r<t.length&&!n;r++)n=e(t[r]);return n?r-1:-1},o=function(t){var e="",n=0,r=t.length;for("0x"===t.substring(0,2)&&(n=2);r>n;n+=2){var a=parseInt(t.substr(n,2),16);if(0===a)break;e+=String.fromCharCode(a)}return e},i=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=i(t);n.length<2*e;)n+="00";return"0x"+n},s=function(t){var e=t.indexOf("(");return-1!==e?t.substr(0,e):t},c=function(t){var e=t.indexOf("(");return-1!==e?t.substr(e+1,t.length-1-(e+1)).replace(" ",""):""},f=function(t){return t.filter(function(t){return"function"===t.type})},l=function(t){return t.filter(function(t){return"event"===t.type})},p=function(t){console.warn("This method is deprecated please use eth.fromWei(BigNumberOrNumber, unit) instead.");for(var e="string"==typeof t?0===t.indexOf("0x")?parseInt(t.substr(2),16):parseInt(t.replace(/,/g,"").replace(/ /g,"")):t,r=0,a=n.ETH_UNITS;e>3e3&&r<a.length-1;)e/=1e3,r++;for(var o=e.toString().length<e.toFixed(2).length?e.toString():e.toFixed(2),i=function(t,e,n){return e+","+n};;){var u=o;if(o=o.replace(/(\d)(\d\d\d[\.\,])/,i),u===o)break}return o+" "+a[r]},m=function(t){return t=t.length>2?t.substring(2):"0",new BigNumber(t,16).toString(10)},h=function(t){return"0x"+new BigNumber(t).toString(16)},d=function(t,e){e=e.toLowerCase();var n=!0;return r[e]?t?("string"==typeof t&&0===t.indexOf("0x")&&(n=!1,t=new BigNumber(t,16)),t instanceof BigNumber||(n=!1,t=new BigNumber(t.toString(10),10)),t=t.dividedBy(new BigNumber(r[e],10)),n?t:t.toString(10)):t:(console.warn("This unit doesn't exists, please use the one of the following units",r),t)},g=function(t,e){e=e.toLowerCase();var n=!0;return r[e]?t?("string"==typeof t&&0===t.indexOf("0x")&&(n=!1,t=new BigNumber(t,16)),t instanceof BigNumber||(n=!1,t=new BigNumber(t.toString(10),10)),t=t.times(new BigNumber(r[e],10)),n?t:t.toString(10)):t:(console.warn("This unit doesn't exists, please use the one of the following units",r),t)},y=function(t){return 0===t.indexOf("0x")&&42!==t.length?!1:-1===t.indexOf("0x")&&40!==t.length?!1:/^\w+$/.test(t)};e.exports={findIndex:a,toDecimal:m,fromDecimal:h,toAscii:o,fromAscii:u,extractDisplayName:s,extractTypeName:c,filterFunctions:f,filterEvents:l,toEth:p,toWei:g,fromWei:d,isAddress:y}},{"./const":2}],17:[function(t,e){var n=function(){var t=function(t){return"string"==typeof t[0]?"eth_newFilterString":"eth_newFilter"};return[{name:"newFilter",call:t},{name:"uninstallFilter",call:"eth_uninstallFilter"},{name:"getLogs",call:"eth_filterLogs"}]},r=function(){return[{name:"newFilter",call:"shh_newFilter"},{name:"uninstallFilter",call:"shh_uninstallFilter"},{name:"getLogs",call:"shh_getMessages"}]};e.exports={eth:n,shh:r}},{}],18:[function(t,e){var n=t("./eth"),r=t("./db"),a=t("./shh"),o=t("./watches"),i=t("./filter"),u=t("./utils"),s=t("./requestmanager"),c=function(){return[{name:"sha3",call:"web3_sha3"}]},f=function(t,e){e.forEach(function(e){var n=e.name.split("."),r=function(){var t=Array.prototype.slice.call(arguments),n="function"==typeof e.call?e.call(t):e.call;return e.newMethod&&console.warn("This method is deprecated please use eth."+e.newMethod+"() instead."),g.manager.send({method:n,params:t,outputFormatter:e.outputFormatter,inputFormatter:e.inputFormatter})};n.length>1?(t[n[0]]||(t[n[0]]={}),t[n[0]][n[1]]=r):t[n[0]]=r})},l=function(t,e){e.forEach(function(e){var n={};n.get=function(){return e.newProperty&&console.warn("This property is deprecated please use eth."+e.newProperty+" instead."),g.manager.send({method:e.getter,outputFormatter:e.outputFormatter})},e.setter&&(n.set=function(t){return e.newProperty&&console.warn("This property is deprecated please use eth."+e.newProperty+" instead."),g.manager.send({method:e.setter,params:[t],inputFormatter:e.inputFormatter})}),n.enumerable=!e.newProperty,Object.defineProperty(t,e.name,n)})},p=function(t,e,n,r){g.manager.startPolling({method:t,params:[e]},e,n,r)},m=function(t){g.manager.stopPolling(t)},h={startPolling:p.bind(null,"eth_changed"),stopPolling:m},d={startPolling:p.bind(null,"shh_changed"),stopPolling:m},g={manager:s(),providers:{},setProvider:function(t){g.manager.setProvider(t)},reset:function(){g.manager.reset()},toAscii:u.toAscii,fromAscii:u.fromAscii,toDecimal:u.toDecimal,fromDecimal:u.fromDecimal,toEth:u.toEth,toWei:u.toWei,fromWei:u.fromWei,isAddress:u.isAddress,eth:{contractFromAbi:function(t){return console.warn("Initiating a contract like this is deprecated please use var MyContract = eth.contract(abi); new MyContract(address); instead."),function(e){e=e||"0xc6d9d2cd449a754c494264e1809c50e34d64562b";var n=g.eth.contract(e,t);return n.address=e,n}},filter:function(t,e,n,r){return t._isEvent?t(e,n):i(t,h,r)},watch:function(t,e,n,r){return console.warn("eth.watch() is deprecated please use eth.filter() instead."),this.filter(t,e,n,r)}},db:{},shh:{filter:function(t){return i(t,d)},watch:function(t){return console.warn("shh.watch() is deprecated please use shh.filter() instead."),this.filter(t)}}};f(g,c()),f(g.eth,n.methods),l(g.eth,n.properties),f(g.db,r.methods()),f(g.shh,a.methods()),f(h,o.eth()),f(d,o.shh()),e.exports=g},{"./db":4,"./eth":5,"./filter":7,"./requestmanager":12,"./shh":13,"./utils":16,"./watches":17}],web3:[function(t,e){var n=t("./lib/web3");n.providers.HttpSyncProvider=t("./lib/httpsync"),n.providers.QtSyncProvider=t("./lib/qtsync"),n.eth.contract=t("./lib/contract"),n.abi=t("./lib/abi"),e.exports=n},{"./lib/abi":1,"./lib/contract":3,"./lib/httpsync":9,"./lib/qtsync":11,"./lib/web3":18}]},{},["web3"]);
\ No newline at end of file
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t+l(e)},""):"string"===t[a].type?o+=l(e[a]):r+=l(e[a])}),n+=r+o},l=function(t){return u(t)||"string"===t?2*o.ETH_PADDING:0},p=r.outputTypes(),m=function(t,e){e=e.slice(2);var n=[],s=2*o.ETH_PADDING,c=t.reduce(function(t,e){return t+l(e.type)},0),f=e.slice(0,c);return e=e.slice(c),t.forEach(function(o,c){for(var l=!1,m=0;m<p.length&&!l;m++)l=p[m].type(t[c].type);l||i(t[c].type);var h=p[m-1].format;if(u(t[c].type)){var d=a.formatOutputUInt(f.slice(0,s));f=f.slice(s);for(var g=[],y=0;d>y;y++)g.push(h(e.slice(0,s))),e=e.slice(s);n.push(g)}else r.prefixedType("string")(t[c].type)?(f=f.slice(s),n.push(h(e.slice(0,s))),e=e.slice(s)):(n.push(h(e.slice(0,s))),e=e.slice(s))}),n},h=function(t){var e={};return t.forEach(function(t){var r=n.extractDisplayName(t.name),o=n.extractTypeName(t.name),a=function(){var e=Array.prototype.slice.call(arguments);return f(t.inputs,e)};void 0===e[r]&&(e[r]=a),e[r][o]=a}),e},d=function(t){var e={};return t.forEach(function(t){var r=n.extractDisplayName(t.name),o=n.extractTypeName(t.name),a=function(e){return m(t.outputs,e)};void 0===e[r]&&(e[r]=a),e[r][o]=a}),e};e.exports={inputParser:h,outputParser:d,formatInput:f,formatOutput:m}},{"./const":2,"./formatters":8,"./types":15,"./utils":16}],2:[function(t,e){var n=["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:n,ETH_BIGNUMBER_ROUNDING_MODE:{ROUNDING_MODE:BigNumber.ROUND_DOWN},ETH_POLLING_TIMEOUT:1e3}},{}],3:[function(t,e){function n(t,e){t.forEach(function(t){if(-1===t.name.indexOf("(")){var e=t.name,n=t.inputs.map(function(t){return t.type}).join();t.name=e+"("+n+")"}});var n={};return c(n),f(n,t,e),l(n,t,e),p(n,t,e),n}var r=t("./web3"),o=t("./abi"),a=t("./utils"),i=t("./event"),u=t("./signature"),s=function(t){r._currentContractAbi=t.abi,r._currentContractAddress=t.address,r._currentContractMethodName=t.method,r._currentContractMethodParams=t.params},c=function(t){t.call=function(e){return t._isTransaction=!1,t._options=e,t},t.sendTransaction=function(e){return t._isTransaction=!0,t._options=e,t},t.transact=function(e){return console.warn("myContract.transact() is deprecated please use myContract.sendTransaction() instead."),t.sendTransaction(e)},t._options={},["gas","gasPrice","value","from"].forEach(function(e){t[e]=function(n){return t._options[e]=n,t}})},f=function(t,e,n){var i=o.inputParser(e),c=o.outputParser(e);a.filterFunctions(e).forEach(function(o){var f=a.extractDisplayName(o.name),l=a.extractTypeName(o.name),p=function(){var a=Array.prototype.slice.call(arguments),p=u.functionSignatureFromAscii(o.name),m=i[f][l].apply(null,a),h=t._options||{};h.to=n,h.data=p+m;var d=t._isTransaction===!0||t._isTransaction!==!1&&!o.constant,g=h.collapse!==!1;if(t._options={},t._isTransaction=null,d)return s({abi:e,address:n,method:o.name,params:a}),void r.eth.sendTransaction(h);var y=r.eth.call(h),b=c[f][l](y);return g&&(1===b.length?b=b[0]:0===b.length&&(b=null)),b};void 0===t[f]&&(t[f]=p),t[f][l]=p})},l=function(t,e,n){t.address=n,t._onWatchEventResult=function(t){var n=event.getMatchingEvent(a.filterEvents(e)),r=i.outputParser(n);return r(t)},Object.defineProperty(t,"topic",{get:function(){return a.filterEvents(e).map(function(t){return u.eventSignatureFromAscii(t.name)})}})},p=function(t,e,n){a.filterEvents(e).forEach(function(e){var o=function(){var t=Array.prototype.slice.call(arguments),o=u.eventSignatureFromAscii(e.name),a=i.inputParser(n,o,e),s=a.apply(null,t),c=function(t){var n=i.outputParser(e);return n(t)};return r.eth.filter(s,void 0,void 0,c)};o._isEvent=!0;var s=a.extractDisplayName(e.name),c=a.extractTypeName(e.name);void 0===t[s]&&(t[s]=o),t[s][c]=o})},m=function(t){return t instanceof Array&&1===arguments.length?n.bind(null,t):(console.warn("Initiating a contract like this is deprecated please use var MyContract = eth.contract(abi); new MyContract(address); instead."),new n(arguments[1],arguments[0]))};e.exports=m},{"./abi":1,"./event":6,"./signature":14,"./utils":16,"./web3":18}],4:[function(t,e){var n=function(){return[{name:"put",call:"db_put"},{name:"get",call:"db_get"},{name:"putString",call:"db_putString"},{name:"getString",call:"db_getString"}]};e.exports={methods:n}},{}],5:[function(t,e){var n=t("./formatters"),r=function(t){return"string"==typeof t[0]?"eth_blockByHash":"eth_blockByNumber"},o=function(t){return"string"==typeof t[0]?"eth_transactionByHash":"eth_transactionByNumber"},a=function(t){return"string"==typeof t[0]?"eth_uncleByHash":"eth_uncleByNumber"},i=function(t){return"string"==typeof t[0]?"eth_transactionCountByHash":"eth_transactionCountByNumber"},u=function(t){return"string"==typeof t[0]?"eth_uncleCountByHash":"eth_uncleCountByNumber"},s=[{name:"getBalance",call:"eth_balanceAt",outputFormatter:n.convertToBigNumber},{name:"getState",call:"eth_stateAt"},{name:"getStorage",call:"eth_storageAt"},{name:"getData",call:"eth_codeAt"},{name:"getBlock",call:r,outputFormatter:n.outputBlockFormatter},{name:"getUncle",call:a,outputFormatter:n.outputBlockFormatter},{name:"getCompilers",call:"eth_compilers"},{name:"getBlockTransactionCount",call:i},{name:"getBlockUncleCount",call:u},{name:"getTransaction",call:o,outputFormatter:n.outputTransactionFormatter},{name:"getTransactionCount",call:"eth_countAt"},{name:"sendTransaction",call:"eth_transact",inputFormatter:n.inputTransactionFormatter},{name:"call",call:"eth_call"},{name:"compile.solidity",call:"eth_solidity"},{name:"compile.lll",call:"eth_lll"},{name:"compile.serpent",call:"eth_serpent"},{name:"flush",call:"eth_flush"},{name:"balanceAt",call:"eth_balanceAt",newMethod:"getBalance"},{name:"stateAt",call:"eth_stateAt",newMethod:"getState"},{name:"storageAt",call:"eth_storageAt",newMethod:"getStorage"},{name:"countAt",call:"eth_countAt",newMethod:"getTransactionCount"},{name:"codeAt",call:"eth_codeAt",newMethod:"getData"},{name:"transact",call:"eth_transact",newMethod:"sendTransaction"},{name:"block",call:r,newMethod:"getBlock"},{name:"transaction",call:o,newMethod:"getTransaction"},{name:"uncle",call:a,newMethod:"getUncle"},{name:"compilers",call:"eth_compilers",newMethod:"getCompilers"},{name:"solidity",call:"eth_solidity",newMethod:"compile.solidity"},{name:"lll",call:"eth_lll",newMethod:"compile.lll"},{name:"serpent",call:"eth_serpent",newMethod:"compile.serpent"},{name:"transactionCount",call:i,newMethod:"getBlockTransactionCount"},{name:"uncleCount",call:u,newMethod:"getBlockUncleCount"},{name:"logs",call:"eth_logs"}],c=[{name:"coinbase",getter:"eth_coinbase",setter:"eth_setCoinbase"},{name:"listening",getter:"eth_listening",setter:"eth_setListening"},{name:"mining",getter:"eth_mining",setter:"eth_setMining"},{name:"gasPrice",getter:"eth_gasPrice",outputFormatter:n.convertToBigNumber},{name:"accounts",getter:"eth_accounts"},{name:"peerCount",getter:"eth_peerCount"},{name:"defaultBlock",getter:"eth_defaultBlock",setter:"eth_setDefaultBlock"},{name:"blockNumber",getter:"eth_number"},{name:"number",getter:"eth_number",newProperty:"blockNumber"}];e.exports={methods:s,properties:c}},{"./formatters":8}],6:[function(t,e){var n=t("./abi"),r=t("./utils"),o=t("./signature"),a=function(t,e){return t.filter(function(t){return t.indexed===e})},i=function(t,e){var n=r.findIndex(t,function(t){return t.name===e});return-1===n?void console.error("indexed param with name "+e+" not found"):t[n]},u=function(t,e){return Object.keys(e).map(function(r){var o=[i(a(t.inputs,!0),r)],u=e[r];return u instanceof Array?u.map(function(t){return n.formatInput(o,[t])}):n.formatInput(o,[u])})},s=function(t,e,n){return function(r,o){var a=o||{};return a.address=t,a.topic=[],a.topic.push(e),r&&(a.topic=a.topic.concat(u(n,r))),a}},c=function(t,e,n){var r=e.slice(),o=n.slice();return t.reduce(function(t,e){var n;return n=e.indexed?r.splice(0,1)[0]:o.splice(0,1)[0],t[e.name]=n,t},{})},f=function(t){return function(e){var o={event:r.extractDisplayName(t.name),number:e.number,hash:e.hash,args:{}};if(e.topics=e.topic,!e.topic)return o;var i=a(t.inputs,!0),u="0x"+e.topic.slice(1,e.topic.length).map(function(t){return t.slice(2)}).join(""),s=n.formatOutput(i,u),f=a(t.inputs,!1),l=n.formatOutput(f,e.data);return o.args=c(t.inputs,s,l),o}},l=function(t,e){for(var n=0;n<t.length;n++){var r=o.eventSignatureFromAscii(t[n].name);if(r===e.topic[0])return t[n]}return void 0};e.exports={inputParser:s,outputParser:f,getMatchingEvent:l}},{"./abi":1,"./signature":14,"./utils":16}],7:[function(t,e){var n=function(t){return!!t&&"function"==typeof t.newFilter&&"function"==typeof t.getLogs&&"function"==typeof t.uninstallFilter&&"function"==typeof t.startPolling&&"function"==typeof t.stopPolling},r=function(t){return"string"==typeof t?t:(t=t||{},t.topics&&console.warn('"topics" is deprecated, is "topic" instead'),{to:t.to,topic:t.topic,earliest:t.earliest,latest:t.latest,max:t.max,skip:t.skip,address:t.address})},o=function(t,e,o){if(!n(e))return void console.error("filter implemenation is invalid");t=r(t);var a=[],i=e.newFilter(t),u=function(t){t.forEach(function(t){t=o?o(t):t,a.forEach(function(e){e(t)})})};e.startPolling(i,u,e.uninstallFilter);var s=function(t){a.push(t)},c=function(){e.stopPolling(i),e.uninstallFilter(i),a=[]},f=function(){return e.getLogs(i)};return{watch:s,stopWatching:c,get:f,changed:function(){return console.warn("watch().changed() is deprecated please use filter().watch() instead."),s.apply(this,arguments)},arrived:function(){return console.warn("watch().arrived() is deprecated please use filter().watch() instead."),s.apply(this,arguments)},happened:function(){return console.warn("watch().happened() is deprecated please use filter().watch() instead."),s.apply(this,arguments)},uninstall:function(){return console.warn("watch().uninstall() is deprecated please use filter().stopWatching() instead."),c.apply(this,arguments)},messages:function(){return console.warn("watch().messages() is deprecated please use filter().get() instead."),f.apply(this,arguments)},logs:function(){return console.warn("watch().logs() is deprecated please use filter().get() instead."),f.apply(this,arguments)}}};e.exports=o},{}],8:[function(t,e){var n=t("./utils"),r=t("./const"),o=function(t,e,n){return new Array(e-t.length+1).join(n?n:"0")+t},a=function(t){var e=2*r.ETH_PADDING;return n.isBigNumber(t)||"number"==typeof t?("number"==typeof t&&(t=new BigNumber(t)),BigNumber.config(r.ETH_BIGNUMBER_ROUNDING_MODE),t=t.round(),t.lessThan(0)&&(t=new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16).plus(t).plus(1)),t=t.toString(16)):t="string"==typeof t?0===t.indexOf("0x")?t.substr(2):a(new BigNumber(t)):(+t).toString(16),o(t,e)},i=function(t){return n.fromAscii(t,r.ETH_PADDING).substr(2)},u=function(t){return"000000000000000000000000000000000000000000000000000000000000000"+(t?"1":"0")},s=function(t){return a(new BigNumber(t).times(new BigNumber(2).pow(128)))},c=function(t){return"1"===new BigNumber(t.substr(0,1),16).toString(2).substr(0,1)},f=function(t){return t=t||"0",c(t)?new BigNumber(t,16).minus(new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16)).minus(1):new BigNumber(t,16)},l=function(t){return t=t||"0",new BigNumber(t,16)},p=function(t){return f(t).dividedBy(new BigNumber(2).pow(128))},m=function(t){return l(t).dividedBy(new BigNumber(2).pow(128))},h=function(t){return"0x"+t},d=function(t){return"0000000000000000000000000000000000000000000000000000000000000001"===t?!0:!1},g=function(t){return n.toAscii(t)},y=function(t){return"0x"+t.slice(t.length-40,t.length)},b=function(t){return"string"==typeof t&&(t=t.replace("0x","")),t=t||"0",new BigNumber(t,16)},v=function(t){return t.code&&(t.data=t.code,delete t.code),t.endowment&&(t.value=t.endowment,delete t.endowment),["gasPrice","value"].forEach(function(e){"string"==typeof t[e]?-1===t[e].indexOf("0x")&&(t[e]=n.fromDecimal(t[e])):"number"==typeof t[e]?t[e]=n.fromDecimal(t[e]):t[e]instanceof BigNumber&&(t[e]="0x"+t[e].toString(16))}),t.gas=Number(t.gas),t},w=function(t){return t.gas=Number(t.gas),t.gasPrice="string"==typeof t.gasPrice&&0===t.gasPrice.indexOf("0x")?new BigNumber(t.gasPrice,16):new BigNumber(t.gasPrice.toString(10),10),t.value="string"==typeof t.value&&0===t.value.indexOf("0x")?new BigNumber(t.value,16):new BigNumber(t.value.toString(10),10),t},_=function(t){return t.gasLimit=Number(t.gasLimit),t.gasUsed=Number(t.gasUsed),t.size=Number(t.size),t.timestamp=Number(t.timestamp),t.number=Number(t.number),t.minGasPrice&&(t.minGasPrice="string"==typeof t.minGasPrice&&0===t.minGasPrice.indexOf("0x")?new BigNumber(t.minGasPrice,16):new BigNumber(t.minGasPrice.toString(10),10)),t.difficulty&&(t.difficulty="string"==typeof t.difficulty&&0===t.difficulty.indexOf("0x")?new BigNumber(t.difficulty,16):new BigNumber(t.difficulty.toString(10),10)),t.totalDifficulty&&(t.totalDifficulty="string"==typeof t.totalDifficulty&&0===t.totalDifficulty.indexOf("0x")?new BigNumber(t.totalDifficulty,16):new BigNumber(t.totalDifficulty.toString(10),10)),t};e.exports={formatInputInt:a,formatInputString:i,formatInputBool:u,formatInputReal:s,formatOutputInt:f,formatOutputUInt:l,formatOutputReal:p,formatOutputUReal:m,formatOutputHash:h,formatOutputBool:d,formatOutputString:g,formatOutputAddress:y,convertToBigNumber:b,inputTransactionFormatter:v,outputTransactionFormatter:w,outputBlockFormatter:_}},{"./const":2,"./utils":16}],9:[function(t,e){var n=function(t){this.handlers=[],this.host=t||"http://localhost:8080"};n.prototype.send=function(t){var e=new XMLHttpRequest;e.open("POST",this.host,!1),e.send(JSON.stringify(t));var n=e.responseText;return 200===e.status?JSON.parse(n):void 0},e.exports=n},{}],10:[function(t,e){var n=1,r=function(t,e){return t||console.error("jsonrpc method should be specified!"),{jsonrpc:"2.0",method:t,params:e||[],id:n++}},o=function(t){return!!t&&!t.error&&"2.0"===t.jsonrpc&&"number"==typeof t.id&&void 0!==t.result},a=function(t){return t.map(function(t){return r(t.method,t.params)})};e.exports={toPayload:r,isValidResponse:o,toBatchPayload:a}},{}],11:[function(t,e){var n=function(){};n.prototype.send=function(t){var e=navigator.qt.callMethod(JSON.stringify(t));return JSON.parse(e)},e.exports=n},{}],12:[function(t,e){var n=t("./jsonrpc"),r=t("./const"),o=function(){var t,e=[],o=null,a=function(e){"function"==typeof e.inputFormatter&&(e.params=Array.prototype.map.call(e.params,function(t){return e.inputFormatter(t)}));var r=n.toPayload(e.method,e.params);if(!t)return console.error("provider is not set"),null;var o=t.send(r);return n.isValidResponse(o)?"function"==typeof e.outputFormatter?e.outputFormatter(o.result):o.result:(console.log(o),"object"==typeof o&&o.error&&o.error.message&&console.error(o.error.message),null)},i=function(e){t=e},u=function(t,n,r,o){e.push({data:t,id:n,callback:r,uninstall:o})},s=function(t){for(var n=e.length;n--;){var r=e[n];r.id===t&&e.splice(n,1)}},c=function(){e.forEach(function(t){t.uninstall(t.id)}),e=[],o&&(clearTimeout(o),o=null),f()},f=function(){e.forEach(function(t){var e=a(t.data);e instanceof Array&&0!==e.length&&t.callback(e)}),o=setTimeout(f,r.ETH_POLLING_TIMEOUT)};return f(),{send:a,setProvider:i,startPolling:u,stopPolling:s,reset:c}};e.exports=o},{"./const":2,"./jsonrpc":10}],13:[function(t,e){var n=function(){return[{name:"post",call:"shh_post"},{name:"newIdentity",call:"shh_newIdentity"},{name:"hasIdentity",call:"shh_haveIdentity"},{name:"newGroup",call:"shh_newGroup"},{name:"addToGroup",call:"shh_addToGroup"},{name:"haveIdentity",call:"shh_haveIdentity",newMethod:"hasIdentity"}]};e.exports={methods:n}},{}],14:[function(t,e){var n=t("./web3"),r=t("./const"),o=function(t){return n.sha3(n.fromAscii(t)).slice(0,2+2*r.ETH_SIGNATURE_LENGTH)},a=function(t){return n.sha3(n.fromAscii(t))};e.exports={functionSignatureFromAscii:o,eventSignatureFromAscii:a}},{"./const":2,"./web3":18}],15:[function(t,e){var n=t("./formatters"),r=function(t){return function(e){return 0===e.indexOf(t)}},o=function(t){return function(e){return t===e}},a=function(){return[{type:r("uint"),format:n.formatInputInt},{type:r("int"),format:n.formatInputInt},{type:r("hash"),format:n.formatInputInt},{type:r("string"),format:n.formatInputString},{type:r("real"),format:n.formatInputReal},{type:r("ureal"),format:n.formatInputReal},{type:o("address"),format:n.formatInputInt},{type:o("bool"),format:n.formatInputBool}]},i=function(){return[{type:r("uint"),format:n.formatOutputUInt},{type:r("int"),format:n.formatOutputInt},{type:r("hash"),format:n.formatOutputHash},{type:r("string"),format:n.formatOutputString},{type:r("real"),format:n.formatOutputReal},{type:r("ureal"),format:n.formatOutputUReal},{type:o("address"),format:n.formatOutputAddress},{type:o("bool"),format:n.formatOutputBool}]};e.exports={prefixedType:r,namedType:o,inputTypes:a,outputTypes:i}},{"./formatters":8}],16:[function(t,e){var n=t("./const"),r={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){for(var n=!1,r=0;r<t.length&&!n;r++)n=e(t[r]);return n?r-1:-1},a=function(t){var e="",n=0,r=t.length;for("0x"===t.substring(0,2)&&(n=2);r>n;n+=2){var o=parseInt(t.substr(n,2),16);if(0===o)break;e+=String.fromCharCode(o)}return e},i=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=i(t);n.length<2*e;)n+="00";return"0x"+n},s=function(t){var e=t.indexOf("(");return-1!==e?t.substr(0,e):t},c=function(t){var e=t.indexOf("(");return-1!==e?t.substr(e+1,t.length-1-(e+1)).replace(" ",""):""},f=function(t){return t.filter(function(t){return"function"===t.type})},l=function(t){return t.filter(function(t){return"event"===t.type})},p=function(t){console.warn("This method is deprecated please use eth.fromWei(BigNumberOrNumber, unit) instead.");for(var e="string"==typeof t?0===t.indexOf("0x")?parseInt(t.substr(2),16):parseInt(t.replace(/,/g,"").replace(/ /g,"")):t,r=0,o=n.ETH_UNITS;e>3e3&&r<o.length-1;)e/=1e3,r++;for(var a=e.toString().length<e.toFixed(2).length?e.toString():e.toFixed(2),i=function(t,e,n){return e+","+n};;){var u=a;if(a=a.replace(/(\d)(\d\d\d[\.\,])/,i),u===a)break}return a+" "+o[r]},m=function(t){return t=t.length>2?t.substring(2):"0",new BigNumber(t,16).toString(10)},h=function(t){return"0x"+new BigNumber(t).toString(16)},d=function(t,e){e=e.toLowerCase();var n=!0;return r[e]?t?("string"==typeof t&&0===t.indexOf("0x")&&(n=!1,t=new BigNumber(t,16)),t instanceof BigNumber||(n=!1,t=new BigNumber(t.toString(10),10)),t=t.dividedBy(new BigNumber(r[e],10)),n?t:t.toString(10)):t:(console.warn("This unit doesn't exists, please use the one of the following units",r),t)},g=function(t,e){e=e.toLowerCase();var n=!0;return r[e]?t?("string"==typeof t&&0===t.indexOf("0x")&&(n=!1,t=new BigNumber(t,16)),t instanceof BigNumber||(n=!1,t=new BigNumber(t.toString(10),10)),t=t.times(new BigNumber(r[e],10)),n?t:t.toString(10)):t:(console.warn("This unit doesn't exists, please use the one of the following units",r),t)},y=function(t){return 0===t.indexOf("0x")&&42!==t.length?!1:-1===t.indexOf("0x")&&40!==t.length?!1:/^\w+$/.test(t)},b=function(t){return t instanceof BigNumber||t&&t.constructor&&"BigNumber"===t.constructor.name};e.exports={findIndex:o,toDecimal:m,fromDecimal:h,toAscii:a,fromAscii:u,extractDisplayName:s,extractTypeName:c,filterFunctions:f,filterEvents:l,toEth:p,toWei:g,fromWei:d,isAddress:y,isBigNumber:b}},{"./const":2}],17:[function(t,e){var n=function(){var t=function(t){return"string"==typeof t[0]?"eth_newFilterString":"eth_newFilter"};return[{name:"newFilter",call:t},{name:"uninstallFilter",call:"eth_uninstallFilter"},{name:"getLogs",call:"eth_filterLogs"}]},r=function(){return[{name:"newFilter",call:"shh_newFilter"},{name:"uninstallFilter",call:"shh_uninstallFilter"},{name:"getLogs",call:"shh_getMessages"}]};e.exports={eth:n,shh:r}},{}],18:[function(t,e){var n=t("./eth"),r=t("./db"),o=t("./shh"),a=t("./watches"),i=t("./filter"),u=t("./utils"),s=t("./requestmanager"),c=function(){return[{name:"sha3",call:"web3_sha3"}]},f=function(t,e){e.forEach(function(e){var n=e.name.split("."),r=function(){var t=Array.prototype.slice.call(arguments),n="function"==typeof e.call?e.call(t):e.call;return e.newMethod&&console.warn("This method is deprecated please use eth."+e.newMethod+"() instead."),g.manager.send({method:n,params:t,outputFormatter:e.outputFormatter,inputFormatter:e.inputFormatter})};n.length>1?(t[n[0]]||(t[n[0]]={}),t[n[0]][n[1]]=r):t[n[0]]=r})},l=function(t,e){e.forEach(function(e){var n={};n.get=function(){return e.newProperty&&console.warn("This property is deprecated please use eth."+e.newProperty+" instead."),g.manager.send({method:e.getter,outputFormatter:e.outputFormatter})},e.setter&&(n.set=function(t){return e.newProperty&&console.warn("This property is deprecated please use eth."+e.newProperty+" instead."),g.manager.send({method:e.setter,params:[t],inputFormatter:e.inputFormatter})}),n.enumerable=!e.newProperty,Object.defineProperty(t,e.name,n)})},p=function(t,e,n,r){g.manager.startPolling({method:t,params:[e]},e,n,r)},m=function(t){g.manager.stopPolling(t)},h={startPolling:p.bind(null,"eth_changed"),stopPolling:m},d={startPolling:p.bind(null,"shh_changed"),stopPolling:m},g={manager:s(),providers:{},setProvider:function(t){g.manager.setProvider(t)},reset:function(){g.manager.reset()},toAscii:u.toAscii,fromAscii:u.fromAscii,toDecimal:u.toDecimal,fromDecimal:u.fromDecimal,toEth:u.toEth,toWei:u.toWei,fromWei:u.fromWei,isAddress:u.isAddress,eth:{contractFromAbi:function(t){return console.warn("Initiating a contract like this is deprecated please use var MyContract = eth.contract(abi); new MyContract(address); instead."),function(e){e=e||"0xc6d9d2cd449a754c494264e1809c50e34d64562b";var n=g.eth.contract(e,t);return n.address=e,n}},filter:function(t,e,n,r){return t._isEvent?t(e,n):i(t,h,r)},watch:function(t,e,n,r){return console.warn("eth.watch() is deprecated please use eth.filter() instead."),this.filter(t,e,n,r)}},db:{},shh:{filter:function(t){return i(t,d)},watch:function(t){return console.warn("shh.watch() is deprecated please use shh.filter() instead."),this.filter(t)}}};f(g,c()),f(g.eth,n.methods),l(g.eth,n.properties),f(g.db,r.methods()),f(g.shh,o.methods()),f(h,a.eth()),f(d,a.shh()),e.exports=g},{"./db":4,"./eth":5,"./filter":7,"./requestmanager":12,"./shh":13,"./utils":16,"./watches":17}],web3:[function(t,e){var n=t("./lib/web3");n.providers.HttpSyncProvider=t("./lib/httpsync"),n.providers.QtSyncProvider=t("./lib/qtsync"),n.eth.contract=t("./lib/contract"),n.abi=t("./lib/abi"),e.exports=n},{"./lib/abi":1,"./lib/contract":3,"./lib/httpsync":9,"./lib/qtsync":11,"./lib/web3":18}]},{},["web3"]);
\ No newline at end of file
diff --git a/karma.conf.js b/karma.conf.js
index 5e52b03..92e390c 100644
--- a/karma.conf.js
+++ b/karma.conf.js
@@ -22,8 +22,8 @@ module.exports = function (config) {
 
         // list of files / patterns to load in the browser
         files: [
+            'node_modules/bignumber.js/bignumber.js',
             'test/*.js',
-
         ],
 
 
diff --git a/lib/formatters.js b/lib/formatters.js
index 8b74fb6..11eb8b6 100644
--- a/lib/formatters.js
+++ b/lib/formatters.js
@@ -42,7 +42,7 @@ var padLeft = function (string, chars, sign) {
 var formatInputInt = function (value) {
     /*jshint maxcomplexity:7 */
     var padding = c.ETH_PADDING * 2;
-    if (value instanceof BigNumber || typeof value === 'number') {
+    if (utils.isBigNumber(value) || typeof value === 'number') {
         if (typeof value === 'number')
             value = new BigNumber(value);
         BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE);
@@ -52,10 +52,13 @@ var formatInputInt = function (value) {
             value = new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(value).plus(1);
         value = value.toString(16);
     }
-    else if (value.indexOf('0x') === 0)
-        value = value.substr(2);
-    else if (typeof value === 'string')
-        value = formatInputInt(new BigNumber(value));
+    else if (typeof value === 'string') {
+        if (value.indexOf('0x') === 0) {
+            value = value.substr(2);
+        } else {
+            value = formatInputInt(new BigNumber(value));
+        }
+    }
     else
         value = (+value).toString(16);
     return padLeft(value, padding);
diff --git a/lib/utils.js b/lib/utils.js
index 95eaf14..bbf8fc0 100644
--- a/lib/utils.js
+++ b/lib/utils.js
@@ -287,6 +287,11 @@ var isAddress = function(address) {
     return /^\w+$/.test(address);
 };
 
+var isBigNumber = function (value) {
+    return value instanceof BigNumber ||
+        (value && value.constructor && value.constructor.name === 'BigNumber');
+};
+
 
 module.exports = {
     findIndex: findIndex,
@@ -301,6 +306,7 @@ module.exports = {
     toEth: toEth,
     toWei: toWei,
     fromWei: fromWei,
-    isAddress: isAddress
+    isAddress: isAddress,
+    isBigNumber: isBigNumber
 };