updated tests

28 files changed, 2130 insertions, 946 deletions

diff --git a/cmd/mist/assets/ext/ethereum.js/bower.json b/cmd/mist/assets/ext/ethereum.js/bower.json
index e3a9cb3c5..168f1b39a 100644
--- a/cmd/mist/assets/ext/ethereum.js/bower.json
+++ b/cmd/mist/assets/ext/ethereum.js/bower.json
@@ -1,7 +1,7 @@
 {
   "name": "ethereum.js",
   "namespace": "ethereum",
-  "version": "0.0.10",
+  "version": "0.0.13",
   "description": "Ethereum Compatible JavaScript API",
   "main": ["./dist/ethereum.js", "./dist/ethereum.min.js"],
   "dependencies": {
diff --git a/cmd/mist/assets/ext/ethereum.js/dist/ethereum.js b/cmd/mist/assets/ext/ethereum.js/dist/ethereum.js
index 6e6c5020c..2ecee387d 100644
--- a/cmd/mist/assets/ext/ethereum.js/dist/ethereum.js
+++ b/cmd/mist/assets/ext/ethereum.js/dist/ethereum.js
@@ -22,175 +22,57 @@ require=(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof requ
  * @date 2014
  */
 
-// TODO: is these line is supposed to be here? 
-if ("build" !== 'build') {/*
-    var BigNumber = require('bignumber.js'); // jshint ignore:line
-*/}
-
-var web3 = require('./web3'); // jshint ignore:line
-
-BigNumber.config({ ROUNDING_MODE: BigNumber.ROUND_DOWN });
-
-var ETH_PADDING = 32;
-
-/// method signature length in bytes
-var ETH_METHOD_SIGNATURE_LENGTH = 4;
-
-/// Finds first index of array element matching pattern
-/// @param array
-/// @param callback pattern
-/// @returns index of element
-var findIndex = function (array, callback) {
-    var end = false;
-    var i = 0;
-    for (; i < array.length && !end; i++) {
-        end = callback(array[i]);
-    }
-    return end ? i - 1 : -1;
-};
-
-/// @returns a function that is used as a pattern for 'findIndex'
-var findMethodIndex = function (json, methodName) {
-    return findIndex(json, function (method) {
-        return method.name === methodName;
-    });
-};
-
-/// @returns method with given method name
-var getMethodWithName = function (json, methodName) {
-    var index = findMethodIndex(json, methodName);
-    if (index === -1) {
-        console.error('method ' + methodName + ' not found in the abi');
-        return undefined;
-    }
-    return json[index];
-};
-
-/// @param string string to be padded
-/// @param number of characters that result string should have
-/// @param sign, by default 0
-/// @returns right aligned string
-var padLeft = function (string, chars, sign) {
-    return new Array(chars - string.length + 1).join(sign ? sign : "0") + string;
-};
-
-/// @param expected type prefix (string)
-/// @returns function which checks if type has matching prefix. if yes, returns true, otherwise false
-var prefixedType = function (prefix) {
-    return function (type) {
-        return type.indexOf(prefix) === 0;
-    };
-};
-
-/// @param expected type name (string)
-/// @returns function which checks if type is matching expected one. if yes, returns true, otherwise false
-var namedType = function (name) {
-    return function (type) {
-        return name === type;
-    };
+var web3 = require('./web3'); 
+var utils = require('./utils');
+var types = require('./types');
+var c = require('./const');
+var f = require('./formatters');
+
+var displayTypeError = function (type) {
+    console.error('parser does not support type: ' + type);
 };
 
+/// This method should be called if we want to check if givent type is an array type
+/// @returns true if it is, otherwise false
 var arrayType = function (type) {
     return type.slice(-2) === '[]';
 };
 
-/// Formats input value to byte representation of int
-/// If value is negative, return it's two's complement
-/// If the value is floating point, round it down
-/// @returns right-aligned byte representation of int
-var formatInputInt = function (value) {
-    var padding = ETH_PADDING * 2;
-    if (value instanceof BigNumber || typeof value === 'number') {
-        if (typeof value === 'number')
-            value = new BigNumber(value);
-        value = value.round();
-
-        if (value.lessThan(0)) 
-            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
-        value = (+value).toString(16);
-    return padLeft(value, padding);
-};
-
-/// Formats input value to byte representation of string
-/// @returns left-algined byte representation of string
-var formatInputString = function (value) {
-    return web3.fromAscii(value, ETH_PADDING).substr(2);
-};
-
-/// Formats input value to byte representation of bool
-/// @returns right-aligned byte representation bool
-var formatInputBool = function (value) {
-    return '000000000000000000000000000000000000000000000000000000000000000' + (value ?  '1' : '0');
-};
-
-/// Formats input value to byte representation of real
-/// Values are multiplied by 2^m and encoded as integers
-/// @returns byte representation of real
-var formatInputReal = function (value) {
-    return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128))); 
-};
-
 var dynamicTypeBytes = function (type, value) {
     // TODO: decide what to do with array of strings
     if (arrayType(type) || type === 'string')    // only string itself that is dynamic; stringX is static length.
-        return formatInputInt(value.length); 
+        return f.formatInputInt(value.length); 
     return "";
 };
 
-/// Setups input formatters for solidity types
-/// @returns an array of input formatters 
-var setupInputTypes = function () {
-    
-    return [
-        { type: prefixedType('uint'), format: formatInputInt },
-        { type: prefixedType('int'), format: formatInputInt },
-        { type: prefixedType('hash'), format: formatInputInt },
-        { type: prefixedType('string'), format: formatInputString }, 
-        { type: prefixedType('real'), format: formatInputReal },
-        { type: prefixedType('ureal'), format: formatInputReal },
-        { type: namedType('address'), format: formatInputInt },
-        { type: namedType('bool'), format: formatInputBool }
-    ];
-};
-
-var inputTypes = setupInputTypes();
+var inputTypes = types.inputTypes(); 
 
 /// Formats input params to bytes
-/// @param contract json abi
-/// @param name of the method that we want to use
+/// @param abi contract method inputs
 /// @param array of params that will be formatted to bytes
 /// @returns bytes representation of input params
-var toAbiInput = function (json, methodName, params) {
+var formatInput = function (inputs, params) {
     var bytes = "";
-
-    var method = getMethodWithName(json, methodName);
-    var padding = ETH_PADDING * 2;
+    var padding = c.ETH_PADDING * 2;
 
     /// first we iterate in search for dynamic 
-    method.inputs.forEach(function (input, index) {
+    inputs.forEach(function (input, index) {
         bytes += dynamicTypeBytes(input.type, params[index]);
     });
 
-    method.inputs.forEach(function (input, i) {
+    inputs.forEach(function (input, i) {
         var typeMatch = false;
         for (var j = 0; j < inputTypes.length && !typeMatch; j++) {
-            typeMatch = inputTypes[j].type(method.inputs[i].type, params[i]);
+            typeMatch = inputTypes[j].type(inputs[i].type, params[i]);
         }
         if (!typeMatch) {
-            console.error('input parser does not support type: ' + method.inputs[i].type);
+            displayTypeError(inputs[i].type);
         }
 
         var formatter = inputTypes[j - 1].format;
         var toAppend = "";
 
-        if (arrayType(method.inputs[i].type))
+        if (arrayType(inputs[i].type))
             toAppend = params[i].reduce(function (acc, curr) {
                 return acc + formatter(curr);
             }, "");
@@ -202,118 +84,44 @@ var toAbiInput = function (json, methodName, params) {
     return bytes;
 };
 
-/// Check if input value is negative
-/// @param value is hex format
-/// @returns true if it is negative, otherwise false
-var signedIsNegative = function (value) {
-    return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';
-};
-
-/// Formats input right-aligned input bytes to int
-/// @returns right-aligned input bytes formatted to int
-var formatOutputInt = function (value) {
-    value = value || "0";
-    // check if it's negative number
-    // it it is, return two's complement
-    if (signedIsNegative(value)) {
-        return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);
-    }
-    return new BigNumber(value, 16);
-};
-
-/// Formats big right-aligned input bytes to uint
-/// @returns right-aligned input bytes formatted to uint
-var formatOutputUInt = function (value) {
-    value = value || "0";
-    return new BigNumber(value, 16);
-};
-
-/// @returns input bytes formatted to real
-var formatOutputReal = function (value) {
-    return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128)); 
-};
-
-/// @returns input bytes formatted to ureal
-var formatOutputUReal = function (value) {
-    return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128)); 
-};
-
-/// @returns right-aligned input bytes formatted to hex
-var formatOutputHash = function (value) {
-    return "0x" + value;
-};
-
-/// @returns right-aligned input bytes formatted to bool
-var formatOutputBool = function (value) {
-    return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;
-};
-
-/// @returns left-aligned input bytes formatted to ascii string
-var formatOutputString = function (value) {
-    return web3.toAscii(value);
-};
-
-/// @returns right-aligned input bytes formatted to address
-var formatOutputAddress = function (value) {
-    return "0x" + value.slice(value.length - 40, value.length);
-};
-
 var dynamicBytesLength = function (type) {
     if (arrayType(type) || type === 'string')   // only string itself that is dynamic; stringX is static length.
-        return ETH_PADDING * 2;
+        return c.ETH_PADDING * 2;
     return 0;
 };
 
-/// Setups output formaters for solidity types
-/// @returns an array of output formatters
-var setupOutputTypes = function () {
-
-    return [
-        { type: prefixedType('uint'), format: formatOutputUInt },
-        { type: prefixedType('int'), format: formatOutputInt },
-        { type: prefixedType('hash'), format: formatOutputHash },
-        { type: prefixedType('string'), format: formatOutputString },
-        { type: prefixedType('real'), format: formatOutputReal },
-        { type: prefixedType('ureal'), format: formatOutputUReal },
-        { type: namedType('address'), format: formatOutputAddress },
-        { type: namedType('bool'), format: formatOutputBool }
-    ];
-};
-
-var outputTypes = setupOutputTypes();
+var outputTypes = types.outputTypes(); 
 
 /// Formats output bytes back to param list
-/// @param contract json abi
-/// @param name of the method that we want to use
+/// @param contract abi method outputs
 /// @param bytes representtion of output 
 /// @returns array of output params 
-var fromAbiOutput = function (json, methodName, output) {
+var formatOutput = function (outs, output) {
     
     output = output.slice(2);
     var result = [];
-    var method = getMethodWithName(json, methodName);
-    var padding = ETH_PADDING * 2;
+    var padding = c.ETH_PADDING * 2;
 
-    var dynamicPartLength = method.outputs.reduce(function (acc, curr) {
+    var dynamicPartLength = outs.reduce(function (acc, curr) {
         return acc + dynamicBytesLength(curr.type);
     }, 0);
     
     var dynamicPart = output.slice(0, dynamicPartLength);
     output = output.slice(dynamicPartLength);
 
-    method.outputs.forEach(function (out, i) {
+    outs.forEach(function (out, i) {
         var typeMatch = false;
         for (var j = 0; j < outputTypes.length && !typeMatch; j++) {
-            typeMatch = outputTypes[j].type(method.outputs[i].type);
+            typeMatch = outputTypes[j].type(outs[i].type);
         }
 
         if (!typeMatch) {
-            console.error('output parser does not support type: ' + method.outputs[i].type);
+            displayTypeError(outs[i].type);
         }
 
         var formatter = outputTypes[j - 1].format;
-        if (arrayType(method.outputs[i].type)) {
-            var size = formatOutputUInt(dynamicPart.slice(0, padding));
+        if (arrayType(outs[i].type)) {
+            var size = f.formatOutputUInt(dynamicPart.slice(0, padding));
             dynamicPart = dynamicPart.slice(padding);
             var array = [];
             for (var k = 0; k < size; k++) {
@@ -322,7 +130,7 @@ var fromAbiOutput = function (json, methodName, output) {
             }
             result.push(array);
         }
-        else if (prefixedType('string')(method.outputs[i].type)) {
+        else if (types.prefixedType('string')(outs[i].type)) {
             dynamicPart = dynamicPart.slice(padding); 
             result.push(formatter(output.slice(0, padding)));
             output = output.slice(padding);
@@ -335,30 +143,18 @@ var fromAbiOutput = function (json, methodName, output) {
     return result;
 };
 
-/// @returns display name for method eg. multiply(uint256) -> multiply
-var methodDisplayName = function (method) {
-    var length = method.indexOf('('); 
-    return length !== -1 ? method.substr(0, length) : method;
-};
-
-/// @returns overloaded part of method's name
-var methodTypeName = function (method) {
-    /// TODO: make it not vulnerable
-    var length = method.indexOf('(');
-    return length !== -1 ? method.substr(length + 1, method.length - 1 - (length + 1)) : "";
-};
-
 /// @param json abi for contract
 /// @returns input parser object for given json abi
+/// TODO: refactor creating the parser, do not double logic from contract
 var inputParser = function (json) {
     var parser = {};
     json.forEach(function (method) {
-        var displayName = methodDisplayName(method.name); 
-        var typeName = methodTypeName(method.name);
+        var displayName = utils.extractDisplayName(method.name); 
+        var typeName = utils.extractTypeName(method.name);
 
         var impl = function () {
             var params = Array.prototype.slice.call(arguments);
-            return toAbiInput(json, method.name, params);
+            return formatInput(method.inputs, params);
         };
        
         if (parser[displayName] === undefined) {
@@ -377,11 +173,11 @@ var outputParser = function (json) {
     var parser = {};
     json.forEach(function (method) {
 
-        var displayName = methodDisplayName(method.name); 
-        var typeName = methodTypeName(method.name);
+        var displayName = utils.extractDisplayName(method.name); 
+        var typeName = utils.extractTypeName(method.name);
 
         var impl = function (output) {
-            return fromAbiOutput(json, method.name, output);
+            return formatOutput(method.outputs, output);
         };
 
         if (parser[displayName] === undefined) {
@@ -394,23 +190,27 @@ var outputParser = function (json) {
     return parser;
 };
 
-/// @param method name for which we want to get method signature
-/// @returns (promise) contract method signature for method with given name
-var methodSignature = function (name) {
-    return web3.sha3(web3.fromAscii(name)).slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2);
+/// @param function/event name for which we want to get signature
+/// @returns signature of function/event with given name
+var signatureFromAscii = function (name) {
+    return web3.sha3(web3.fromAscii(name)).slice(0, 2 + c.ETH_SIGNATURE_LENGTH * 2);
+};
+
+var eventSignatureFromAscii = function (name) {
+    return web3.sha3(web3.fromAscii(name));
 };
 
 module.exports = {
     inputParser: inputParser,
     outputParser: outputParser,
-    methodSignature: methodSignature,
-    methodDisplayName: methodDisplayName,
-    methodTypeName: methodTypeName,
-    getMethodWithName: getMethodWithName
+    formatInput: formatInput,
+    formatOutput: formatOutput,
+    signatureFromAscii: signatureFromAscii,
+    eventSignatureFromAscii: eventSignatureFromAscii
 };
 
 
-},{"./web3":7}],2:[function(require,module,exports){
+},{"./const":2,"./formatters":6,"./types":11,"./utils":12,"./web3":13}],2:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -427,104 +227,142 @@ module.exports = {
     You should have received a copy of the GNU Lesser General Public License
     along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
 */
-/** @file contract.js
+/** @file const.js
  * @authors:
  *   Marek Kotewicz <marek@ethdev.com>
- * @date 2014
+ * @date 2015
  */
 
-var web3 = require('./web3'); // jshint ignore:line
-var abi = require('./abi');
+/// required to define ETH_BIGNUMBER_ROUNDING_MODE
+if ("build" !== 'build') {/*
+    var BigNumber = require('bignumber.js'); // jshint ignore:line
+*/}
 
-/**
- * This method should be called when we want to call / transact some solidity method from javascript
- * it returns an object which has same methods available as solidity contract description
- * usage example: 
- *
- * var abi = [{
- *      name: 'myMethod',
- *      inputs: [{ name: 'a', type: 'string' }],
- *      outputs: [{name: 'd', type: 'string' }]
- * }];  // contract abi
- *
- * var myContract = web3.eth.contract('0x0123123121', abi); // creation of contract object
- *
- * myContract.myMethod('this is test string param for call'); // myMethod call (implicit, default)
- * myContract.call().myMethod('this is test string param for call'); // myMethod call (explicit)
- * myContract.transact().myMethod('this is test string param for transact'); // myMethod transact
- *
- * @param address - address of the contract, which should be called
- * @param desc - abi json description of the contract, which is being created
- * @returns contract object
- */
+var ETH_UNITS = [ 
+    'wei', 
+    'Kwei', 
+    'Mwei', 
+    'Gwei', 
+    'szabo', 
+    'finney', 
+    'ether', 
+    'grand', 
+    'Mether', 
+    'Gether', 
+    'Tether', 
+    'Pether', 
+    'Eether', 
+    'Zether', 
+    'Yether', 
+    'Nether', 
+    'Dether', 
+    'Vether', 
+    'Uether' 
+];
 
-var contract = function (address, desc) {
+module.exports = {
+    ETH_PADDING: 32,
+    ETH_SIGNATURE_LENGTH: 4,
+    ETH_UNITS: ETH_UNITS,
+    ETH_BIGNUMBER_ROUNDING_MODE: { ROUNDING_MODE: BigNumber.ROUND_DOWN }
+};
 
-    desc.forEach(function (method) {
-        // workaround for invalid assumption that method.name is the full anonymous prototype of the method.
-        // it's not. it's just the name. the rest of the code assumes it's actually the anonymous
-        // prototype, so we make it so as a workaround.
-        if (method.name.indexOf('(') === -1) {
-            var displayName = method.name;
-            var typeName = method.inputs.map(function(i){return i.type; }).join();
-            method.name = displayName + '(' + typeName + ')';
-        }
-    });
 
-    var inputParser = abi.inputParser(desc);
-    var outputParser = abi.outputParser(desc);
+},{}],3:[function(require,module,exports){
+/*
+    This file is part of ethereum.js.
 
-    var result = {};
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
 
-    result.call = function (options) {
-        result._isTransact = false;
-        result._options = options;
-        return result;
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file contract.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2014
+ */
+
+var web3 = require('./web3'); 
+var abi = require('./abi');
+var utils = require('./utils');
+var eventImpl = require('./event');
+
+var exportNatspecGlobals = function (vars) {
+    // it's used byt natspec.js
+    // TODO: figure out better way to solve this
+    web3._currentContractAbi = vars.abi;
+    web3._currentContractAddress = vars.address;
+    web3._currentContractMethodName = vars.method;
+    web3._currentContractMethodParams = vars.params;
+};
+
+var addFunctionRelatedPropertiesToContract = function (contract) {
+    
+    contract.call = function (options) {
+        contract._isTransact = false;
+        contract._options = options;
+        return contract;
     };
 
-    result.transact = function (options) {
-        result._isTransact = true;
-        result._options = options;
-        return result;
+    contract.transact = function (options) {
+        contract._isTransact = true;
+        contract._options = options;
+        return contract;
     };
 
-    result._options = {};
+    contract._options = {};
     ['gas', 'gasPrice', 'value', 'from'].forEach(function(p) {
-        result[p] = function (v) {
-            result._options[p] = v;
-            return result;
+        contract[p] = function (v) {
+            contract._options[p] = v;
+            return contract;
         };
     });
 
+};
 
-    desc.forEach(function (method) {
+var addFunctionsToContract = function (contract, desc, address) {
+    var inputParser = abi.inputParser(desc);
+    var outputParser = abi.outputParser(desc);
 
-        var displayName = abi.methodDisplayName(method.name);
-        var typeName = abi.methodTypeName(method.name);
+    // create contract functions
+    utils.filterFunctions(desc).forEach(function (method) {
+
+        var displayName = utils.extractDisplayName(method.name);
+        var typeName = utils.extractTypeName(method.name);
 
         var impl = function () {
             var params = Array.prototype.slice.call(arguments);
-            var signature = abi.methodSignature(method.name);
+            var signature = abi.signatureFromAscii(method.name);
             var parsed = inputParser[displayName][typeName].apply(null, params);
 
-            var options = result._options || {};
+            var options = contract._options || {};
             options.to = address;
             options.data = signature + parsed;
             
-            var isTransact = result._isTransact === true || (result._isTransact !== false && !method.constant);
+            var isTransact = contract._isTransact === true || (contract._isTransact !== false && !method.constant);
             var collapse = options.collapse !== false;
             
             // reset
-            result._options = {};
-            result._isTransact = null;
+            contract._options = {};
+            contract._isTransact = null;
 
             if (isTransact) {
-                // it's used byt natspec.js
-                // TODO: figure out better way to solve this
-                web3._currentContractAbi = desc;
-                web3._currentContractAddress = address;
-                web3._currentContractMethodName = method.name;
-                web3._currentContractMethodParams = params;
+                
+                exportNatspecGlobals({
+                    abi: desc,
+                    address: address,
+                    method: method.name,
+                    params: params
+                });
 
                 // transactions do not have any output, cause we do not know, when they will be processed
                 web3.eth.transact(options);
@@ -543,21 +381,250 @@ var contract = function (address, desc) {
             return ret;
         };
 
-        if (result[displayName] === undefined) {
-            result[displayName] = impl;
+        if (contract[displayName] === undefined) {
+            contract[displayName] = impl;
         }
 
-        result[displayName][typeName] = impl;
+        contract[displayName][typeName] = impl;
+    });
+};
 
+var addEventRelatedPropertiesToContract = function (contract, desc, address) {
+    contract.address = address;
+    contract._onWatchEventResult = function (data) {
+        var matchingEvent = event.getMatchingEvent(utils.filterEvents(desc));
+        var parser = eventImpl.outputParser(matchingEvent);
+        return parser(data);
+    };
+    
+    Object.defineProperty(contract, 'topic', {
+        get: function() {
+            return utils.filterEvents(desc).map(function (e) {
+                return abi.eventSignatureFromAscii(e.name);
+            });
+        }
     });
 
+};
+
+var addEventsToContract = function (contract, desc, address) {
+    // create contract events
+    utils.filterEvents(desc).forEach(function (e) {
+
+        var impl = function () {
+            var params = Array.prototype.slice.call(arguments);
+            var signature = abi.eventSignatureFromAscii(e.name);
+            var event = eventImpl.inputParser(address, signature, e);
+            var o = event.apply(null, params);
+            o._onWatchEventResult = function (data) {
+                var parser = eventImpl.outputParser(e);
+                return parser(data);
+            };
+            return web3.eth.watch(o);  
+        };
+        
+        // this property should be used by eth.filter to check if object is an event
+        impl._isEvent = true;
+
+        var displayName = utils.extractDisplayName(e.name);
+        var typeName = utils.extractTypeName(e.name);
+
+        if (contract[displayName] === undefined) {
+            contract[displayName] = impl;
+        }
+
+        contract[displayName][typeName] = impl;
+
+    });
+};
+
+
+/**
+ * This method should be called when we want to call / transact some solidity method from javascript
+ * it returns an object which has same methods available as solidity contract description
+ * usage example: 
+ *
+ * var abi = [{
+ *      name: 'myMethod',
+ *      inputs: [{ name: 'a', type: 'string' }],
+ *      outputs: [{name: 'd', type: 'string' }]
+ * }];  // contract abi
+ *
+ * var myContract = web3.eth.contract('0x0123123121', abi); // creation of contract object
+ *
+ * myContract.myMethod('this is test string param for call'); // myMethod call (implicit, default)
+ * myContract.call().myMethod('this is test string param for call'); // myMethod call (explicit)
+ * myContract.transact().myMethod('this is test string param for transact'); // myMethod transact
+ *
+ * @param address - address of the contract, which should be called
+ * @param desc - abi json description of the contract, which is being created
+ * @returns contract object
+ */
+
+var contract = function (address, desc) {
+
+    // workaround for invalid assumption that method.name is the full anonymous prototype of the method.
+    // it's not. it's just the name. the rest of the code assumes it's actually the anonymous
+    // prototype, so we make it so as a workaround.
+    // TODO: we may not want to modify input params, maybe use copy instead?
+    desc.forEach(function (method) {
+        if (method.name.indexOf('(') === -1) {
+            var displayName = method.name;
+            var typeName = method.inputs.map(function(i){return i.type; }).join();
+            method.name = displayName + '(' + typeName + ')';
+        }
+    });
+
+    var result = {};
+    addFunctionRelatedPropertiesToContract(result);
+    addFunctionsToContract(result, desc, address);
+    addEventRelatedPropertiesToContract(result, desc, address);
+    addEventsToContract(result, desc, address);
+
     return result;
 };
 
 module.exports = contract;
 
 
-},{"./abi":1,"./web3":7}],3:[function(require,module,exports){
+},{"./abi":1,"./event":4,"./utils":12,"./web3":13}],4:[function(require,module,exports){
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file event.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2014
+ */
+
+var abi = require('./abi');
+var utils = require('./utils');
+
+/// filter inputs array && returns only indexed (or not) inputs
+/// @param inputs array
+/// @param bool if result should be an array of indexed params on not
+/// @returns array of (not?) indexed params
+var filterInputs = function (inputs, indexed) {
+    return inputs.filter(function (current) {
+        return current.indexed === indexed;
+    });
+};
+
+var inputWithName = function (inputs, name) {
+    var index = utils.findIndex(inputs, function (input) {
+        return input.name === name;
+    });
+    
+    if (index === -1) {
+        console.error('indexed param with name ' + name + ' not found');
+        return undefined;
+    }
+    return inputs[index];
+};
+
+var indexedParamsToTopics = function (event, indexed) {
+    // sort keys?
+    return Object.keys(indexed).map(function (key) {
+        var inputs = [inputWithName(filterInputs(event.inputs, true), key)];
+
+        var value = indexed[key];
+        if (value instanceof Array) {
+            return value.map(function (v) {
+                return abi.formatInput(inputs, [v]);
+            }); 
+        }
+        return abi.formatInput(inputs, [value]);
+    });
+};
+
+var inputParser = function (address, signature, event) {
+    
+    // valid options are 'earliest', 'latest', 'offset' and 'max', as defined for 'eth.watch'
+    return function (indexed, options) {
+        var o = options || {};
+        o.address = address;
+        o.topic = [];
+        o.topic.push(signature);
+        if (indexed) {
+            o.topic = o.topic.concat(indexedParamsToTopics(event, indexed));
+        }
+        return o;
+    };
+};
+
+var getArgumentsObject = function (inputs, indexed, notIndexed) {
+    var indexedCopy = indexed.slice();
+    var notIndexedCopy = notIndexed.slice();
+    return inputs.reduce(function (acc, current) {
+        var value;
+        if (current.indexed)
+            value = indexed.splice(0, 1)[0];
+        else
+            value = notIndexed.splice(0, 1)[0];
+
+        acc[current.name] = value;
+        return acc;
+    }, {}); 
+};
+ 
+var outputParser = function (event) {
+    
+    return function (output) {
+        var result = {
+            event: utils.extractDisplayName(event.name),
+            number: output.number,
+            args: {}
+        };
+
+        if (!output.topic) {
+            return result;
+        }
+       
+        var indexedOutputs = filterInputs(event.inputs, true);
+        var indexedData = "0x" + output.topic.slice(1, output.topic.length).map(function (topic) { return topic.slice(2); }).join("");
+        var indexedRes = abi.formatOutput(indexedOutputs, indexedData);
+
+        var notIndexedOutputs = filterInputs(event.inputs, false);
+        var notIndexedRes = abi.formatOutput(notIndexedOutputs, output.data);
+
+        result.args = getArgumentsObject(event.inputs, indexedRes, notIndexedRes);
+
+        return result;
+    };
+};
+
+var getMatchingEvent = function (events, payload) {
+    for (var i = 0; i < events.length; i++) {
+        var signature = abi.eventSignatureFromAscii(events[i].name); 
+        if (signature === payload.topic[0]) {
+            return events[i];
+        }
+    }
+    return undefined;
+};
+
+
+module.exports = {
+    inputParser: inputParser,
+    outputParser: outputParser,
+    getMatchingEvent: getMatchingEvent
+};
+
+
+},{"./abi":1,"./utils":12}],5:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -587,18 +654,45 @@ var web3 = require('./web3'); // jshint ignore:line
 
 /// should be used when we want to watch something
 /// it's using inner polling mechanism and is notified about changes
+/// TODO: change 'options' name cause it may be not the best matching one, since we have events
 var Filter = function(options, impl) {
+
+    if (typeof options !== "string") {
+
+        // topics property is deprecated, warn about it!
+        if (options.topics) {
+            console.warn('"topics" is deprecated, use "topic" instead');
+        }
+        
+        this._onWatchResult = options._onWatchEventResult;
+
+        // evaluate lazy properties
+        options = {
+            to: options.to,
+            topic: options.topic,
+            earliest: options.earliest,
+            latest: options.latest,
+            max: options.max,
+            skip: options.skip,
+            address: options.address
+        };
+
+    }
+    
     this.impl = impl;
     this.callbacks = [];
 
     this.id = impl.newFilter(options);
-    web3.provider.startPolling({call: impl.changed, args: [this.id]}, this.id, this.trigger.bind(this));
+    web3.provider.startPolling({method: impl.changed, params: [this.id]}, this.id, this.trigger.bind(this));
 };
 
 /// alias for changed*
 Filter.prototype.arrived = function(callback) {
     this.changed(callback);
 };
+Filter.prototype.happened = function(callback) {
+    this.changed(callback);
+};
 
 /// gets called when there is new eth/shh message
 Filter.prototype.changed = function(callback) {
@@ -609,7 +703,8 @@ Filter.prototype.changed = function(callback) {
 Filter.prototype.trigger = function(messages) {
     for (var i = 0; i < this.callbacks.length; i++) {
         for (var j = 0; j < messages.length; j++) {
-            this.callbacks[i].call(this, messages[j]);
+            var message = this._onWatchResult ? this._onWatchResult(messages[j]) : messages[j];
+            this.callbacks[i].call(this, message);
         }
     }
 };
@@ -632,7 +727,163 @@ Filter.prototype.logs = function () {
 
 module.exports = Filter;
 
-},{"./web3":7}],4:[function(require,module,exports){
+},{"./web3":13}],6:[function(require,module,exports){
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file formatters.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+if ("build" !== 'build') {/*
+    var BigNumber = require('bignumber.js'); // jshint ignore:line
+*/}
+
+var utils = require('./utils');
+var c = require('./const');
+
+/// @param string string to be padded
+/// @param number of characters that result string should have
+/// @param sign, by default 0
+/// @returns right aligned string
+var padLeft = function (string, chars, sign) {
+    return new Array(chars - string.length + 1).join(sign ? sign : "0") + string;
+};
+
+/// Formats input value to byte representation of int
+/// If value is negative, return it's two's complement
+/// If the value is floating point, round it down
+/// @returns right-aligned byte representation of int
+var formatInputInt = function (value) {
+    var padding = c.ETH_PADDING * 2;
+    if (value instanceof BigNumber || typeof value === 'number') {
+        if (typeof value === 'number')
+            value = new BigNumber(value);
+        BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE);
+        value = value.round();
+
+        if (value.lessThan(0)) 
+            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
+        value = (+value).toString(16);
+    return padLeft(value, padding);
+};
+
+/// Formats input value to byte representation of string
+/// @returns left-algined byte representation of string
+var formatInputString = function (value) {
+    return utils.fromAscii(value, c.ETH_PADDING).substr(2);
+};
+
+/// Formats input value to byte representation of bool
+/// @returns right-aligned byte representation bool
+var formatInputBool = function (value) {
+    return '000000000000000000000000000000000000000000000000000000000000000' + (value ?  '1' : '0');
+};
+
+/// Formats input value to byte representation of real
+/// Values are multiplied by 2^m and encoded as integers
+/// @returns byte representation of real
+var formatInputReal = function (value) {
+    return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128))); 
+};
+
+
+/// Check if input value is negative
+/// @param value is hex format
+/// @returns true if it is negative, otherwise false
+var signedIsNegative = function (value) {
+    return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';
+};
+
+/// Formats input right-aligned input bytes to int
+/// @returns right-aligned input bytes formatted to int
+var formatOutputInt = function (value) {
+    value = value || "0";
+    // check if it's negative number
+    // it it is, return two's complement
+    if (signedIsNegative(value)) {
+        return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);
+    }
+    return new BigNumber(value, 16);
+};
+
+/// Formats big right-aligned input bytes to uint
+/// @returns right-aligned input bytes formatted to uint
+var formatOutputUInt = function (value) {
+    value = value || "0";
+    return new BigNumber(value, 16);
+};
+
+/// @returns input bytes formatted to real
+var formatOutputReal = function (value) {
+    return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128)); 
+};
+
+/// @returns input bytes formatted to ureal
+var formatOutputUReal = function (value) {
+    return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128)); 
+};
+
+/// @returns right-aligned input bytes formatted to hex
+var formatOutputHash = function (value) {
+    return "0x" + value;
+};
+
+/// @returns right-aligned input bytes formatted to bool
+var formatOutputBool = function (value) {
+    return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;
+};
+
+/// @returns left-aligned input bytes formatted to ascii string
+var formatOutputString = function (value) {
+    return utils.toAscii(value);
+};
+
+/// @returns right-aligned input bytes formatted to address
+var formatOutputAddress = function (value) {
+    return "0x" + value.slice(value.length - 40, value.length);
+};
+
+
+module.exports = {
+    formatInputInt: formatInputInt,
+    formatInputString: formatInputString,
+    formatInputBool: formatInputBool,
+    formatInputReal: formatInputReal,
+    formatOutputInt: formatOutputInt,
+    formatOutputUInt: formatOutputUInt,
+    formatOutputReal: formatOutputReal,
+    formatOutputUReal: formatOutputUReal,
+    formatOutputHash: formatOutputHash,
+    formatOutputBool: formatOutputBool,
+    formatOutputString: formatOutputString,
+    formatOutputAddress: formatOutputAddress
+};
+
+
+},{"./const":2,"./utils":12}],7:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -665,46 +916,89 @@ var HttpSyncProvider = function (host) {
     this.host = host || 'http://localhost:8080';
 };
 
-/// Transforms inner message to proper jsonrpc object
-/// @param inner message object
-/// @returns jsonrpc object
-function formatJsonRpcObject(object) {
-    return {
-        jsonrpc: '2.0',
-        method: object.call,
-        params: object.args,
-        id: object._id
-    };
-}
-
-/// Transforms jsonrpc object to inner message
-/// @param incoming jsonrpc message 
-/// @returns inner message object
-function formatJsonRpcMessage(message) {
-    var object = JSON.parse(message);
-
-    return {
-        _id: object.id,
-        data: object.result,
-        error: object.error
-    };
-}
-
 HttpSyncProvider.prototype.send = function (payload) {
-    var data = formatJsonRpcObject(payload);
+    //var data = formatJsonRpcObject(payload);
     
     var request = new XMLHttpRequest();
     request.open('POST', this.host, false);
-    request.send(JSON.stringify(data));
+    request.send(JSON.stringify(payload));
     
     // check request.status
-    return request.responseText;
+    var result = request.responseText;
+    return JSON.parse(result);
 };
 
 module.exports = HttpSyncProvider;
 
 
-},{}],5:[function(require,module,exports){
+},{}],8:[function(require,module,exports){
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file jsonrpc.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+var messageId = 1;
+
+/// Should be called to valid json create payload object
+/// @param method of jsonrpc call, required
+/// @param params, an array of method params, optional
+/// @returns valid jsonrpc payload object
+var toPayload = function (method, params) {
+    if (!method)
+        console.error('jsonrpc method should be specified!');
+
+    return {
+        jsonrpc: '2.0',
+        method: method,
+        params: params || [],
+        id: messageId++
+    }; 
+};
+
+/// Should be called to check if jsonrpc response is valid
+/// @returns true if response is valid, otherwise false 
+var isValidResponse = function (response) {
+    return !!response &&
+        !response.error &&
+        response.jsonrpc === '2.0' &&
+        typeof response.id === 'number' &&
+        response.result !== undefined; // only undefined is not valid json object
+};
+
+/// Should be called to create batch payload object
+/// @param messages, an array of objects with method (required) and params (optional) fields
+var toBatchPayload = function (messages) {
+    return messages.map(function (message) {
+        return toPayload(message.method, message.params);
+    }); 
+};
+
+module.exports = {
+    toPayload: toPayload,
+    isValidResponse: isValidResponse,
+    toBatchPayload: toBatchPayload
+};
+
+
+
+},{}],9:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -730,7 +1024,9 @@ module.exports = HttpSyncProvider;
  * @date 2014
  */
 
-var web3 = require('./web3'); // jshint ignore:line
+var web3 = require('./web3'); 
+var jsonrpc = require('./jsonrpc');
+
 
 /**
  * Provider manager object prototype
@@ -744,25 +1040,35 @@ var web3 = require('./web3'); // jshint ignore:line
 var ProviderManager = function() {
     this.polls = [];
     this.provider = undefined;
-    this.id = 1;
 
     var self = this;
     var poll = function () {
         if (self.provider) {
-            self.polls.forEach(function (data) {
-                data.data._id = self.id;
-                self.id++;
-                var result = self.provider.send(data.data);
-            
-                result = JSON.parse(result);
+            var pollsBatch = self.polls.map(function (data) {
+                return data.data;
+            });
+
+            var payload = jsonrpc.toBatchPayload(pollsBatch);
+            var results = self.provider.send(payload);
+
+            self.polls.forEach(function (data, index) {
+                var result = results[index];
                 
+                if (!jsonrpc.isValidResponse(result)) {
+                    console.log(result);
+                    return;
+                }
+
+                result = result.result;
                 // dont call the callback if result is not an array, or empty one
-                if (result.error || !(result.result instanceof Array) || result.result.length === 0) {
+                if (!(result instanceof Array) || result.length === 0) {
                     return;
                 }
 
-                data.callback(result.result);
+                data.callback(result);
+
             });
+
         }
         setTimeout(poll, 1000);
     };
@@ -770,22 +1076,19 @@ var ProviderManager = function() {
 };
 
 /// sends outgoing requests
+/// @params data - an object with at least 'method' property
 ProviderManager.prototype.send = function(data) {
-
-    data.args = data.args || [];
-    data._id = this.id++;
+    var payload = jsonrpc.toPayload(data.method, data.params);
 
     if (this.provider === undefined) {
         console.error('provider is not set');
         return null; 
     }
 
-    //TODO: handle error here? 
-    var result = this.provider.send(data);
-    result = JSON.parse(result);
+    var result = this.provider.send(payload);
 
-    if (result.error) {
-        console.log(result.error);
+    if (!jsonrpc.isValidResponse(result)) {
+        console.log(result);
         return null;
     }
 
@@ -816,7 +1119,7 @@ ProviderManager.prototype.stopPolling = function (pollId) {
 module.exports = ProviderManager;
 
 
-},{"./web3":7}],6:[function(require,module,exports){
+},{"./jsonrpc":8,"./web3":13}],10:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -844,13 +1147,239 @@ var QtSyncProvider = function () {
 };
 
 QtSyncProvider.prototype.send = function (payload) {
-    return navigator.qt.callMethod(JSON.stringify(payload));
+    var result = navigator.qt.callMethod(JSON.stringify(payload));
+    return JSON.parse(result);
 };
 
 module.exports = QtSyncProvider;
 
 
-},{}],7:[function(require,module,exports){
+},{}],11:[function(require,module,exports){
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file types.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+var f = require('./formatters');
+
+/// @param expected type prefix (string)
+/// @returns function which checks if type has matching prefix. if yes, returns true, otherwise false
+var prefixedType = function (prefix) {
+    return function (type) {
+        return type.indexOf(prefix) === 0;
+    };
+};
+
+/// @param expected type name (string)
+/// @returns function which checks if type is matching expected one. if yes, returns true, otherwise false
+var namedType = function (name) {
+    return function (type) {
+        return name === type;
+    };
+};
+
+/// Setups input formatters for solidity types
+/// @returns an array of input formatters 
+var inputTypes = function () {
+    
+    return [
+        { type: prefixedType('uint'), format: f.formatInputInt },
+        { type: prefixedType('int'), format: f.formatInputInt },
+        { type: prefixedType('hash'), format: f.formatInputInt },
+        { type: prefixedType('string'), format: f.formatInputString }, 
+        { type: prefixedType('real'), format: f.formatInputReal },
+        { type: prefixedType('ureal'), format: f.formatInputReal },
+        { type: namedType('address'), format: f.formatInputInt },
+        { type: namedType('bool'), format: f.formatInputBool }
+    ];
+};
+
+/// Setups output formaters for solidity types
+/// @returns an array of output formatters
+var outputTypes = function () {
+
+    return [
+        { type: prefixedType('uint'), format: f.formatOutputUInt },
+        { type: prefixedType('int'), format: f.formatOutputInt },
+        { type: prefixedType('hash'), format: f.formatOutputHash },
+        { type: prefixedType('string'), format: f.formatOutputString },
+        { type: prefixedType('real'), format: f.formatOutputReal },
+        { type: prefixedType('ureal'), format: f.formatOutputUReal },
+        { type: namedType('address'), format: f.formatOutputAddress },
+        { type: namedType('bool'), format: f.formatOutputBool }
+    ];
+};
+
+module.exports = {
+    prefixedType: prefixedType,
+    namedType: namedType,
+    inputTypes: inputTypes,
+    outputTypes: outputTypes
+};
+
+
+},{"./formatters":6}],12:[function(require,module,exports){
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file utils.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+var c = require('./const');
+
+/// Finds first index of array element matching pattern
+/// @param array
+/// @param callback pattern
+/// @returns index of element
+var findIndex = function (array, callback) {
+    var end = false;
+    var i = 0;
+    for (; i < array.length && !end; i++) {
+        end = callback(array[i]);
+    }
+    return end ? i - 1 : -1;
+};
+
+/// @returns ascii string representation of hex value prefixed with 0x
+var toAscii = function(hex) {
+// Find termination
+    var str = "";
+    var i = 0, l = hex.length;
+    if (hex.substring(0, 2) === '0x') {
+        i = 2;
+    }
+    for (; i < l; i+=2) {
+        var code = parseInt(hex.substr(i, 2), 16);
+        if (code === 0) {
+            break;
+        }
+
+        str += String.fromCharCode(code);
+    }
+
+    return str;
+};
+    
+var toHex = function(str) {
+    var hex = "";
+    for(var i = 0; i < str.length; i++) {
+        var n = str.charCodeAt(i).toString(16);
+        hex += n.length < 2 ? '0' + n : n;
+    }
+
+    return hex;
+};
+
+/// @returns hex representation (prefixed by 0x) of ascii string
+var fromAscii = function(str, pad) {
+    pad = pad === undefined ? 0 : pad;
+    var hex = toHex(str);
+    while (hex.length < pad*2)
+        hex += "00";
+    return "0x" + hex;
+};
+
+/// @returns display name for function/event eg. multiply(uint256) -> multiply
+var extractDisplayName = function (name) {
+    var length = name.indexOf('('); 
+    return length !== -1 ? name.substr(0, length) : name;
+};
+
+/// @returns overloaded part of function/event name
+var extractTypeName = function (name) {
+    /// TODO: make it invulnerable
+    var length = name.indexOf('(');
+    return length !== -1 ? name.substr(length + 1, name.length - 1 - (length + 1)).replace(' ', '') : "";
+};
+
+/// Filters all function from input abi
+/// @returns abi array with filtered objects of type 'function'
+var filterFunctions = function (json) {
+    return json.filter(function (current) {
+        return current.type === 'function'; 
+    }); 
+};
+
+/// Filters all events form input abi
+/// @returns abi array with filtered objects of type 'event'
+var filterEvents = function (json) {
+    return json.filter(function (current) {
+        return current.type === 'event';
+    });
+};
+
+/// used to transform value/string to eth string
+/// TODO: use BigNumber.js to parse int
+/// TODO: add tests for it!
+var toEth = function (str) {
+    var val = typeof str === "string" ? str.indexOf('0x') === 0 ? parseInt(str.substr(2), 16) : parseInt(str) : str;
+    var unit = 0;
+    var units = c.ETH_UNITS;
+    while (val > 3000 && unit < units.length - 1)
+    {
+        val /= 1000;
+        unit++;
+    }
+    var s = val.toString().length < val.toFixed(2).length ? val.toString() : val.toFixed(2);
+    var replaceFunction = function($0, $1, $2) {
+        return $1 + ',' + $2;
+    };
+
+    while (true) {
+        var o = s;
+        s = s.replace(/(\d)(\d\d\d[\.\,])/, replaceFunction);
+        if (o === s)
+            break;
+    }
+    return s + ' ' + units[unit];
+};
+
+module.exports = {
+    findIndex: findIndex,
+    toAscii: toAscii,
+    fromAscii: fromAscii,
+    extractDisplayName: extractDisplayName,
+    extractTypeName: extractTypeName,
+    filterFunctions: filterFunctions,
+    filterEvents: filterEvents,
+    toEth: toEth
+};
+
+
+},{"./const":2}],13:[function(require,module,exports){
 /*
     This file is part of ethereum.js.
 
@@ -880,27 +1409,7 @@ if ("build" !== 'build') {/*
     var BigNumber = require('bignumber.js');
 */}
 
-var ETH_UNITS = [ 
-    'wei', 
-    'Kwei', 
-    'Mwei', 
-    'Gwei', 
-    'szabo', 
-    'finney', 
-    'ether', 
-    'grand', 
-    'Mether', 
-    'Gether', 
-    'Tether', 
-    'Pether', 
-    'Eether', 
-    'Zether', 
-    'Yether', 
-    'Nether', 
-    'Dether', 
-    'Vether', 
-    'Uether' 
-];
+var utils = require('./utils');
 
 /// @returns an array of objects describing web3 api methods
 var web3Methods = function () {
@@ -1009,8 +1518,8 @@ var setupMethods = function (obj, methods) {
             var args = Array.prototype.slice.call(arguments);
             var call = typeof method.call === 'function' ? method.call(args) : method.call;
             return web3.provider.send({
-                call: call,
-                args: args
+                method: call,
+                params: args
             });
         };
     });
@@ -1023,15 +1532,15 @@ var setupProperties = function (obj, properties) {
         var proto = {};
         proto.get = function () {
             return web3.provider.send({
-                call: property.getter
+                method: property.getter
             });
         };
 
         if (property.setter) {
             proto.set = function (val) {
                 return web3.provider.send({
-                    call: property.setter,
-                    args: [val]
+                    method: property.setter,
+                    params: [val]
                 });
             };
         }
@@ -1045,43 +1554,11 @@ var web3 = {
     _events: {},
     providers: {},
 
-    toHex: function(str) {
-        var hex = "";
-        for(var i = 0; i < str.length; i++) {
-            var n = str.charCodeAt(i).toString(16);
-            hex += n.length < 2 ? '0' + n : n;
-        }
-
-        return hex;
-    },
-
     /// @returns ascii string representation of hex value prefixed with 0x
-    toAscii: function(hex) {
-        // Find termination
-        var str = "";
-        var i = 0, l = hex.length;
-        if (hex.substring(0, 2) === '0x')
-            i = 2;
-        for(; i < l; i+=2) {
-            var code = parseInt(hex.substr(i, 2), 16);
-            if(code === 0) {
-                break;
-            }
-
-            str += String.fromCharCode(code);
-        }
-
-        return str;
-    },
+    toAscii: utils.toAscii,
 
     /// @returns hex representation (prefixed by 0x) of ascii string
-    fromAscii: function(str, pad) {
-        pad = pad === undefined ? 0 : pad;
-        var hex = this.toHex(str);
-        while(hex.length < pad*2)
-            hex += "00";
-        return "0x" + hex;
-    },
+    fromAscii: utils.fromAscii,
 
     /// @returns decimal representaton of hex value prefixed by 0x
     toDecimal: function (val) {
@@ -1096,29 +1573,7 @@ var web3 = {
     },
 
     /// used to transform value/string to eth string
-    /// TODO: use BigNumber.js to parse int
-    toEth: function(str) {
-        var val = typeof str === "string" ? str.indexOf('0x') === 0 ? parseInt(str.substr(2), 16) : parseInt(str) : str;
-        var unit = 0;
-        var units = ETH_UNITS;
-        while (val > 3000 && unit < units.length - 1)
-        {
-            val /= 1000;
-            unit++;
-        }
-        var s = val.toString().length < val.toFixed(2).length ? val.toString() : val.toFixed(2);
-        var replaceFunction = function($0, $1, $2) {
-            return $1 + ',' + $2;
-        };
-
-        while (true) {
-            var o = s;
-            s = s.replace(/(\d)(\d\d\d[\.\,])/, replaceFunction);
-            if (o === s)
-                break;
-        }
-        return s + ' ' + units[unit];
-    },
+    toEth: utils.toEth,
 
     /// eth object prototype
     eth: {
@@ -1131,8 +1586,15 @@ var web3 = {
                 return ret;
             };
         },
-        watch: function (params) {
-            return new web3.filter(params, ethWatch);
+
+        /// @param filter may be a string, object or event
+        /// @param indexed is optional, this is an object with optional event indexed params
+        /// @param options is optional, this is an object with optional event options ('max'...)
+        watch: function (filter, indexed, options) {
+            if (filter._isEvent) {
+                return filter(indexed, options);
+            }
+            return new web3.filter(filter, ethWatch);
         }
     },
 
@@ -1141,15 +1603,12 @@ var web3 = {
 
     /// shh object prototype
     shh: {
-        watch: function (params) {
-            return new web3.filter(params, shhWatch);
+        
+        /// @param filter may be a string, object or event
+        watch: function (filter, indexed) {
+            return new web3.filter(filter, shhWatch);
         }
     },
-
-    /// @returns true if provider is installed
-    haveProvider: function() {
-        return !!web3.provider.provider;
-    }
 };
 
 /// setups all api methods
@@ -1172,14 +1631,13 @@ var shhWatch = {
 setupMethods(shhWatch, shhWatchMethods());
 
 web3.setProvider = function(provider) {
-    //provider.onmessage = messageHandler; // there will be no async calls, to remove
     web3.provider.set(provider);
 };
 
 module.exports = web3;
 
 
-},{}],"web3":[function(require,module,exports){
+},{"./utils":12}],"web3":[function(require,module,exports){
 var web3 = require('./lib/web3');
 var ProviderManager = require('./lib/providermanager');
 web3.provider = new ProviderManager();
@@ -1192,7 +1650,7 @@ web3.abi = require('./lib/abi');
 
 module.exports = web3;
 
-},{"./lib/abi":1,"./lib/contract":2,"./lib/filter":3,"./lib/httpsync":4,"./lib/providermanager":5,"./lib/qtsync":6,"./lib/web3":7}]},{},["web3"])
+},{"./lib/abi":1,"./lib/contract":3,"./lib/filter":5,"./lib/httpsync":7,"./lib/providermanager":9,"./lib/qtsync":10,"./lib/web3":13}]},{},["web3"])
 
 
 //# sourceMappingURL=ethereum.js.map
diff --git a/cmd/mist/assets/ext/ethereum.js/dist/ethereum.js.map b/cmd/mist/assets/ext/ethereum.js/dist/ethereum.js.map
index 5017119bc..118372970 100644
--- a/cmd/mist/assets/ext/ethereum.js/dist/ethereum.js.map
+++ b/cmd/mist/assets/ext/ethereum.js/dist/ethereum.js.map
@@ -3,27 +3,39 @@
   "sources": [
     "node_modules/browserify/node_modules/browser-pack/_prelude.js",
     "lib/abi.js",
+    "lib/const.js",
     "lib/contract.js",
+    "lib/event.js",
     "lib/filter.js",
+    "lib/formatters.js",
     "lib/httpsync.js",
+    "lib/jsonrpc.js",
     "lib/providermanager.js",
     "lib/qtsync.js",
+    "lib/types.js",
+    "lib/utils.js",
     "lib/web3.js",
     "index.js"
   ],
   "names": [],
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   "file": "generated.js",
   "sourceRoot": "",
   "sourcesContent": [
     "(function e(t,n,r){function s(o,u){if(!n[o]){if(!t[o]){var a=typeof require==\"function\"&&require;if(!u&&a)return a(o,!0);if(i)return i(o,!0);var f=new Error(\"Cannot find module '\"+o+\"'\");throw f.code=\"MODULE_NOT_FOUND\",f}var l=n[o]={exports:{}};t[o][0].call(l.exports,function(e){var n=t[o][1][e];return s(n?n:e)},l,l.exports,e,t,n,r)}return n[o].exports}var i=typeof require==\"function\"&&require;for(var o=0;o<r.length;o++)s(r[o]);return s})",
-    "/*\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 abi.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n *   Gav Wood <g@ethdev.com>\n * @date 2014\n */\n\n// TODO: is these line is supposed to be here? \nif (\"build\" !== 'build') {/*\n    var BigNumber = require('bignumber.js'); // jshint ignore:line\n*/}\n\nvar web3 = require('./web3'); // jshint ignore:line\n\nBigNumber.config({ ROUNDING_MODE: BigNumber.ROUND_DOWN });\n\nvar ETH_PADDING = 32;\n\n/// method signature length in bytes\nvar ETH_METHOD_SIGNATURE_LENGTH = 4;\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 a function that is used as a pattern for 'findIndex'\nvar findMethodIndex = function (json, methodName) {\n    return findIndex(json, function (method) {\n        return method.name === methodName;\n    });\n};\n\n/// @returns method with given method name\nvar getMethodWithName = function (json, methodName) {\n    var index = findMethodIndex(json, methodName);\n    if (index === -1) {\n        console.error('method ' + methodName + ' not found in the abi');\n        return undefined;\n    }\n    return json[index];\n};\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/// @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\nvar arrayType = function (type) {\n    return type.slice(-2) === '[]';\n};\n\n/// Formats input value to byte representation of int\n/// If value is negative, return it's two's complement\n/// If the value is floating point, round it down\n/// @returns right-aligned byte representation of int\nvar formatInputInt = function (value) {\n    var padding = ETH_PADDING * 2;\n    if (value instanceof BigNumber || typeof value === 'number') {\n        if (typeof value === 'number')\n            value = new BigNumber(value);\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 web3.fromAscii(value, 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\nvar dynamicTypeBytes = function (type, value) {\n    // TODO: decide what to do with array of strings\n    if (arrayType(type) || type === 'string')    // only string itself that is dynamic; stringX is static length.\n        return formatInputInt(value.length); \n    return \"\";\n};\n\n/// Setups input formatters for solidity types\n/// @returns an array of input formatters \nvar setupInputTypes = function () {\n    \n    return [\n        { type: prefixedType('uint'), format: formatInputInt },\n        { type: prefixedType('int'), format: formatInputInt },\n        { type: prefixedType('hash'), format: formatInputInt },\n        { type: prefixedType('string'), format: formatInputString }, \n        { type: prefixedType('real'), format: formatInputReal },\n        { type: prefixedType('ureal'), format: formatInputReal },\n        { type: namedType('address'), format: formatInputInt },\n        { type: namedType('bool'), format: formatInputBool }\n    ];\n};\n\nvar inputTypes = setupInputTypes();\n\n/// Formats input params to bytes\n/// @param contract json abi\n/// @param name of the method that we want to use\n/// @param array of params that will be formatted to bytes\n/// @returns bytes representation of input params\nvar toAbiInput = function (json, methodName, params) {\n    var bytes = \"\";\n\n    var method = getMethodWithName(json, methodName);\n    var padding = ETH_PADDING * 2;\n\n    /// first we iterate in search for dynamic \n    method.inputs.forEach(function (input, index) {\n        bytes += dynamicTypeBytes(input.type, params[index]);\n    });\n\n    method.inputs.forEach(function (input, i) {\n        var typeMatch = false;\n        for (var j = 0; j < inputTypes.length && !typeMatch; j++) {\n            typeMatch = inputTypes[j].type(method.inputs[i].type, params[i]);\n        }\n        if (!typeMatch) {\n            console.error('input parser does not support type: ' + method.inputs[i].type);\n        }\n\n        var formatter = inputTypes[j - 1].format;\n        var toAppend = \"\";\n\n        if (arrayType(method.inputs[i].type))\n            toAppend = params[i].reduce(function (acc, curr) {\n                return acc + formatter(curr);\n            }, \"\");\n        else\n            toAppend = formatter(params[i]);\n\n        bytes += toAppend; \n    });\n    return bytes;\n};\n\n/// Check if input value is negative\n/// @param value is hex format\n/// @returns true if it is negative, otherwise false\nvar signedIsNegative = function (value) {\n    return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';\n};\n\n/// Formats input right-aligned input bytes to int\n/// @returns right-aligned input bytes formatted to int\nvar formatOutputInt = function (value) {\n    value = value || \"0\";\n    // check if it's negative number\n    // it it is, return two's complement\n    if (signedIsNegative(value)) {\n        return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);\n    }\n    return new BigNumber(value, 16);\n};\n\n/// Formats big right-aligned input bytes to uint\n/// @returns right-aligned input bytes formatted to uint\nvar formatOutputUInt = function (value) {\n    value = value || \"0\";\n    return new BigNumber(value, 16);\n};\n\n/// @returns input bytes formatted to real\nvar formatOutputReal = function (value) {\n    return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128)); \n};\n\n/// @returns input bytes formatted to ureal\nvar formatOutputUReal = function (value) {\n    return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128)); \n};\n\n/// @returns right-aligned input bytes formatted to hex\nvar formatOutputHash = function (value) {\n    return \"0x\" + value;\n};\n\n/// @returns right-aligned input bytes formatted to bool\nvar formatOutputBool = function (value) {\n    return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;\n};\n\n/// @returns left-aligned input bytes formatted to ascii string\nvar formatOutputString = function (value) {\n    return web3.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\nvar dynamicBytesLength = function (type) {\n    if (arrayType(type) || type === 'string')   // only string itself that is dynamic; stringX is static length.\n        return ETH_PADDING * 2;\n    return 0;\n};\n\n/// Setups output formaters for solidity types\n/// @returns an array of output formatters\nvar setupOutputTypes = function () {\n\n    return [\n        { type: prefixedType('uint'), format: formatOutputUInt },\n        { type: prefixedType('int'), format: formatOutputInt },\n        { type: prefixedType('hash'), format: formatOutputHash },\n        { type: prefixedType('string'), format: formatOutputString },\n        { type: prefixedType('real'), format: formatOutputReal },\n        { type: prefixedType('ureal'), format: formatOutputUReal },\n        { type: namedType('address'), format: formatOutputAddress },\n        { type: namedType('bool'), format: formatOutputBool }\n    ];\n};\n\nvar outputTypes = setupOutputTypes();\n\n/// Formats output bytes back to param list\n/// @param contract json abi\n/// @param name of the method that we want to use\n/// @param bytes representtion of output \n/// @returns array of output params \nvar fromAbiOutput = function (json, methodName, output) {\n    \n    output = output.slice(2);\n    var result = [];\n    var method = getMethodWithName(json, methodName);\n    var padding = ETH_PADDING * 2;\n\n    var dynamicPartLength = method.outputs.reduce(function (acc, curr) {\n        return acc + dynamicBytesLength(curr.type);\n    }, 0);\n    \n    var dynamicPart = output.slice(0, dynamicPartLength);\n    output = output.slice(dynamicPartLength);\n\n    method.outputs.forEach(function (out, i) {\n        var typeMatch = false;\n        for (var j = 0; j < outputTypes.length && !typeMatch; j++) {\n            typeMatch = outputTypes[j].type(method.outputs[i].type);\n        }\n\n        if (!typeMatch) {\n            console.error('output parser does not support type: ' + method.outputs[i].type);\n        }\n\n        var formatter = outputTypes[j - 1].format;\n        if (arrayType(method.outputs[i].type)) {\n            var size = formatOutputUInt(dynamicPart.slice(0, padding));\n            dynamicPart = dynamicPart.slice(padding);\n            var array = [];\n            for (var k = 0; k < size; k++) {\n                array.push(formatter(output.slice(0, padding))); \n                output = output.slice(padding);\n            }\n            result.push(array);\n        }\n        else if (prefixedType('string')(method.outputs[i].type)) {\n            dynamicPart = dynamicPart.slice(padding); \n            result.push(formatter(output.slice(0, padding)));\n            output = output.slice(padding);\n        } else {\n            result.push(formatter(output.slice(0, padding)));\n            output = output.slice(padding);\n        }\n    });\n\n    return result;\n};\n\n/// @returns display name for method eg. multiply(uint256) -> multiply\nvar methodDisplayName = function (method) {\n    var length = method.indexOf('('); \n    return length !== -1 ? method.substr(0, length) : method;\n};\n\n/// @returns overloaded part of method's name\nvar methodTypeName = function (method) {\n    /// TODO: make it not vulnerable\n    var length = method.indexOf('(');\n    return length !== -1 ? method.substr(length + 1, method.length - 1 - (length + 1)) : \"\";\n};\n\n/// @param json abi for contract\n/// @returns input parser object for given json abi\nvar inputParser = function (json) {\n    var parser = {};\n    json.forEach(function (method) {\n        var displayName = methodDisplayName(method.name); \n        var typeName = methodTypeName(method.name);\n\n        var impl = function () {\n            var params = Array.prototype.slice.call(arguments);\n            return toAbiInput(json, method.name, params);\n        };\n       \n        if (parser[displayName] === undefined) {\n            parser[displayName] = impl;\n        }\n\n        parser[displayName][typeName] = impl;\n    });\n\n    return parser;\n};\n\n/// @param json abi for contract\n/// @returns output parser for given json abi\nvar outputParser = function (json) {\n    var parser = {};\n    json.forEach(function (method) {\n\n        var displayName = methodDisplayName(method.name); \n        var typeName = methodTypeName(method.name);\n\n        var impl = function (output) {\n            return fromAbiOutput(json, method.name, output);\n        };\n\n        if (parser[displayName] === undefined) {\n            parser[displayName] = impl;\n        }\n\n        parser[displayName][typeName] = impl;\n    });\n\n    return parser;\n};\n\n/// @param method name for which we want to get method signature\n/// @returns (promise) contract method signature for method with given name\nvar methodSignature = function (name) {\n    return web3.sha3(web3.fromAscii(name)).slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2);\n};\n\nmodule.exports = {\n    inputParser: inputParser,\n    outputParser: outputParser,\n    methodSignature: methodSignature,\n    methodDisplayName: methodDisplayName,\n    methodTypeName: methodTypeName,\n    getMethodWithName: getMethodWithName\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 contract.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2014\n */\n\nvar web3 = require('./web3'); // jshint ignore:line\nvar abi = require('./abi');\n\n/**\n * This method should be called when we want to call / transact some solidity method from javascript\n * it returns an object which has same methods available as solidity contract description\n * usage example: \n *\n * var abi = [{\n *      name: 'myMethod',\n *      inputs: [{ name: 'a', type: 'string' }],\n *      outputs: [{name: 'd', type: 'string' }]\n * }];  // contract abi\n *\n * var myContract = web3.eth.contract('0x0123123121', abi); // creation of contract object\n *\n * myContract.myMethod('this is test string param for call'); // myMethod call (implicit, default)\n * myContract.call().myMethod('this is test string param for call'); // myMethod call (explicit)\n * myContract.transact().myMethod('this is test string param for transact'); // myMethod transact\n *\n * @param address - address of the contract, which should be called\n * @param desc - abi json description of the contract, which is being created\n * @returns contract object\n */\n\nvar contract = function (address, desc) {\n\n    desc.forEach(function (method) {\n        // workaround for invalid assumption that method.name is the full anonymous prototype of the method.\n        // it's not. it's just the name. the rest of the code assumes it's actually the anonymous\n        // prototype, so we make it so as a workaround.\n        if (method.name.indexOf('(') === -1) {\n            var displayName = method.name;\n            var typeName = method.inputs.map(function(i){return i.type; }).join();\n            method.name = displayName + '(' + typeName + ')';\n        }\n    });\n\n    var inputParser = abi.inputParser(desc);\n    var outputParser = abi.outputParser(desc);\n\n    var result = {};\n\n    result.call = function (options) {\n        result._isTransact = false;\n        result._options = options;\n        return result;\n    };\n\n    result.transact = function (options) {\n        result._isTransact = true;\n        result._options = options;\n        return result;\n    };\n\n    result._options = {};\n    ['gas', 'gasPrice', 'value', 'from'].forEach(function(p) {\n        result[p] = function (v) {\n            result._options[p] = v;\n            return result;\n        };\n    });\n\n\n    desc.forEach(function (method) {\n\n        var displayName = abi.methodDisplayName(method.name);\n        var typeName = abi.methodTypeName(method.name);\n\n        var impl = function () {\n            var params = Array.prototype.slice.call(arguments);\n            var signature = abi.methodSignature(method.name);\n            var parsed = inputParser[displayName][typeName].apply(null, params);\n\n            var options = result._options || {};\n            options.to = address;\n            options.data = signature + parsed;\n            \n            var isTransact = result._isTransact === true || (result._isTransact !== false && !method.constant);\n            var collapse = options.collapse !== false;\n            \n            // reset\n            result._options = {};\n            result._isTransact = null;\n\n            if (isTransact) {\n                // it's used byt natspec.js\n                // TODO: figure out better way to solve this\n                web3._currentContractAbi = desc;\n                web3._currentContractAddress = address;\n                web3._currentContractMethodName = method.name;\n                web3._currentContractMethodParams = params;\n\n                // transactions do not have any output, cause we do not know, when they will be processed\n                web3.eth.transact(options);\n                return;\n            }\n            \n            var output = web3.eth.call(options);\n            var ret = outputParser[displayName][typeName](output);\n            if (collapse)\n            {\n                if (ret.length === 1)\n                    ret = ret[0];\n                else if (ret.length === 0)\n                    ret = null;\n            }\n            return ret;\n        };\n\n        if (result[displayName] === undefined) {\n            result[displayName] = impl;\n        }\n\n        result[displayName][typeName] = impl;\n\n    });\n\n    return result;\n};\n\nmodule.exports = contract;\n\n",
-    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file 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\nvar web3 = require('./web3'); // jshint ignore:line\n\n/// should be used when we want to watch something\n/// it's using inner polling mechanism and is notified about changes\nvar Filter = function(options, impl) {\n    this.impl = impl;\n    this.callbacks = [];\n\n    this.id = impl.newFilter(options);\n    web3.provider.startPolling({call: impl.changed, args: [this.id]}, this.id, this.trigger.bind(this));\n};\n\n/// alias for changed*\nFilter.prototype.arrived = function(callback) {\n    this.changed(callback);\n};\n\n/// gets called when there is new eth/shh message\nFilter.prototype.changed = function(callback) {\n    this.callbacks.push(callback);\n};\n\n/// trigger calling new message from people\nFilter.prototype.trigger = function(messages) {\n    for (var i = 0; i < this.callbacks.length; i++) {\n        for (var j = 0; j < messages.length; j++) {\n            this.callbacks[i].call(this, messages[j]);\n        }\n    }\n};\n\n/// should be called to uninstall current filter\nFilter.prototype.uninstall = function() {\n    this.impl.uninstallFilter(this.id);\n    web3.provider.stopPolling(this.id);\n};\n\n/// should be called to manually trigger getting latest messages from the client\nFilter.prototype.messages = function() {\n    return this.impl.getMessages(this.id);\n};\n\n/// alias for messages\nFilter.prototype.logs = function () {\n    return this.messages();\n};\n\nmodule.exports = Filter;\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\n/// Transforms inner message to proper jsonrpc object\n/// @param inner message object\n/// @returns jsonrpc object\nfunction formatJsonRpcObject(object) {\n    return {\n        jsonrpc: '2.0',\n        method: object.call,\n        params: object.args,\n        id: object._id\n    };\n}\n\n/// Transforms jsonrpc object to inner message\n/// @param incoming jsonrpc message \n/// @returns inner message object\nfunction formatJsonRpcMessage(message) {\n    var object = JSON.parse(message);\n\n    return {\n        _id: object.id,\n        data: object.result,\n        error: object.error\n    };\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(data));\n    \n    // check request.status\n    return request.responseText;\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 providermanager.js\n * @authors:\n *   Jeffrey Wilcke <jeff@ethdev.com>\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n *   Gav Wood <g@ethdev.com>\n * @date 2014\n */\n\nvar web3 = require('./web3'); // jshint ignore:line\n\n/**\n * Provider manager object prototype\n * It's responsible for passing messages to providers\n * If no provider is set it's responsible for queuing requests\n * It's also responsible for polling the ethereum node for incoming messages\n * Default poll timeout is 12 seconds\n * If we are running ethereum.js inside ethereum browser, there are backend based tools responsible for polling,\n * and provider manager polling mechanism is not used\n */\nvar ProviderManager = function() {\n    this.polls = [];\n    this.provider = undefined;\n    this.id = 1;\n\n    var self = this;\n    var poll = function () {\n        if (self.provider) {\n            self.polls.forEach(function (data) {\n                data.data._id = self.id;\n                self.id++;\n                var result = self.provider.send(data.data);\n            \n                result = JSON.parse(result);\n                \n                // dont call the callback if result is not an array, or empty one\n                if (result.error || !(result.result instanceof Array) || result.result.length === 0) {\n                    return;\n                }\n\n                data.callback(result.result);\n            });\n        }\n        setTimeout(poll, 1000);\n    };\n    poll();\n};\n\n/// sends outgoing requests\nProviderManager.prototype.send = function(data) {\n\n    data.args = data.args || [];\n    data._id = this.id++;\n\n    if (this.provider === undefined) {\n        console.error('provider is not set');\n        return null; \n    }\n\n    //TODO: handle error here? \n    var result = this.provider.send(data);\n    result = JSON.parse(result);\n\n    if (result.error) {\n        console.log(result.error);\n        return null;\n    }\n\n    return result.result;\n};\n\n/// setups provider, which will be used for sending messages\nProviderManager.prototype.set = function(provider) {\n    this.provider = provider;\n};\n\n/// this method is only used, when we do not have native qt bindings and have to do polling on our own\n/// should be callled, on start watching for eth/shh changes\nProviderManager.prototype.startPolling = function (data, pollId, callback) {\n    this.polls.push({data: data, id: pollId, callback: callback});\n};\n\n/// should be called to stop polling for certain watch changes\nProviderManager.prototype.stopPolling = function (pollId) {\n    for (var i = this.polls.length; i--;) {\n        var poll = this.polls[i];\n        if (poll.id === pollId) {\n            this.polls.splice(i, 1);\n        }\n    }\n};\n\nmodule.exports = ProviderManager;\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    return navigator.qt.callMethod(JSON.stringify(payload));\n};\n\nmodule.exports = QtSyncProvider;\n\n",
-    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file 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\nif (\"build\" !== 'build') {/*\n    var BigNumber = require('bignumber.js');\n*/}\n\nvar ETH_UNITS = [ \n    'wei', \n    'Kwei', \n    'Mwei', \n    'Gwei', \n    'szabo', \n    'finney', \n    'ether', \n    'grand', \n    'Mether', \n    'Gether', \n    'Tether', \n    'Pether', \n    'Eether', \n    'Zether', \n    'Yether', \n    'Nether', \n    'Dether', \n    'Vether', \n    'Uether' \n];\n\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/// @returns an array of objects describing web3.eth api methods\nvar ethMethods = function () {\n    var blockCall = function (args) {\n        return typeof args[0] === \"string\" ? \"eth_blockByHash\" : \"eth_blockByNumber\";\n    };\n\n    var transactionCall = function (args) {\n        return typeof args[0] === \"string\" ? 'eth_transactionByHash' : 'eth_transactionByNumber';\n    };\n\n    var uncleCall = function (args) {\n        return typeof args[0] === \"string\" ? 'eth_uncleByHash' : 'eth_uncleByNumber';\n    };\n\n    var methods = [\n    { name: 'balanceAt', call: 'eth_balanceAt' },\n    { name: 'stateAt', call: 'eth_stateAt' },\n    { name: 'storageAt', call: 'eth_storageAt' },\n    { name: 'countAt', call: 'eth_countAt'},\n    { name: 'codeAt', call: 'eth_codeAt' },\n    { name: 'transact', call: 'eth_transact' },\n    { name: 'call', call: 'eth_call' },\n    { name: 'block', call: blockCall },\n    { name: 'transaction', call: transactionCall },\n    { name: 'uncle', call: uncleCall },\n    { name: 'compilers', call: 'eth_compilers' },\n    { name: 'flush', call: 'eth_flush' },\n    { name: 'lll', call: 'eth_lll' },\n    { name: 'solidity', call: 'eth_solidity' },\n    { name: 'serpent', call: 'eth_serpent' },\n    { name: 'logs', call: 'eth_logs' }\n    ];\n    return methods;\n};\n\n/// @returns an array of objects describing web3.eth api properties\nvar ethProperties = function () {\n    return [\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' },\n    { name: 'accounts', getter: 'eth_accounts' },\n    { name: 'peerCount', getter: 'eth_peerCount' },\n    { name: 'defaultBlock', getter: 'eth_defaultBlock', setter: 'eth_setDefaultBlock' },\n    { name: 'number', getter: 'eth_number'}\n    ];\n};\n\n/// @returns an array of objects describing web3.db api methods\nvar dbMethods = function () {\n    return [\n    { name: 'put', call: 'db_put' },\n    { name: 'get', call: 'db_get' },\n    { name: 'putString', call: 'db_putString' },\n    { name: 'getString', call: 'db_getString' }\n    ];\n};\n\n/// @returns an array of objects describing web3.shh api methods\nvar shhMethods = function () {\n    return [\n    { name: 'post', call: 'shh_post' },\n    { name: 'newIdentity', call: 'shh_newIdentity' },\n    { name: 'haveIdentity', call: 'shh_haveIdentity' },\n    { name: 'newGroup', call: 'shh_newGroup' },\n    { name: 'addToGroup', call: 'shh_addToGroup' }\n    ];\n};\n\n/// @returns an array of objects describing web3.eth.watch api methods\nvar ethWatchMethods = 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: 'getMessages', call: 'eth_filterLogs' }\n    ];\n};\n\n/// @returns an array of objects describing web3.shh.watch api methods\nvar shhWatchMethods = function () {\n    return [\n    { name: 'newFilter', call: 'shh_newFilter' },\n    { name: 'uninstallFilter', call: 'shh_uninstallFilter' },\n    { name: 'getMessages', call: 'shh_getMessages' }\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        obj[method.name] = function () {\n            var args = Array.prototype.slice.call(arguments);\n            var call = typeof method.call === 'function' ? method.call(args) : method.call;\n            return web3.provider.send({\n                call: call,\n                args: args\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            return web3.provider.send({\n                call: property.getter\n            });\n        };\n\n        if (property.setter) {\n            proto.set = function (val) {\n                return web3.provider.send({\n                    call: property.setter,\n                    args: [val]\n                });\n            };\n        }\n        Object.defineProperty(obj, property.name, proto);\n    });\n};\n\n/// setups web3 object, and it's in-browser executed methods\nvar web3 = {\n    _callbacks: {},\n    _events: {},\n    providers: {},\n\n    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 ascii string representation of hex value prefixed with 0x\n    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        for(; i < l; i+=2) {\n            var code = parseInt(hex.substr(i, 2), 16);\n            if(code === 0) {\n                break;\n            }\n\n            str += String.fromCharCode(code);\n        }\n\n        return str;\n    },\n\n    /// @returns hex representation (prefixed by 0x) of ascii string\n    fromAscii: function(str, pad) {\n        pad = pad === undefined ? 0 : pad;\n        var hex = this.toHex(str);\n        while(hex.length < pad*2)\n            hex += \"00\";\n        return \"0x\" + hex;\n    },\n\n    /// @returns decimal representaton of hex value prefixed by 0x\n    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\n    /// @returns hex representation (prefixed by 0x) of decimal value\n    fromDecimal: function (val) {\n        return \"0x\" + (new BigNumber(val).toString(16));\n    },\n\n    /// used to transform value/string to eth string\n    /// TODO: use BigNumber.js to parse int\n    toEth: function(str) {\n        var val = typeof str === \"string\" ? str.indexOf('0x') === 0 ? parseInt(str.substr(2), 16) : parseInt(str) : str;\n        var unit = 0;\n        var units = 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    /// eth object prototype\n    eth: {\n        contractFromAbi: function (abi) {\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        watch: function (params) {\n            return new web3.filter(params, ethWatch);\n        }\n    },\n\n    /// db object prototype\n    db: {},\n\n    /// shh object prototype\n    shh: {\n        watch: function (params) {\n            return new web3.filter(params, shhWatch);\n        }\n    },\n\n    /// @returns true if provider is installed\n    haveProvider: function() {\n        return !!web3.provider.provider;\n    }\n};\n\n/// setups all api methods\nsetupMethods(web3, web3Methods());\nsetupMethods(web3.eth, ethMethods());\nsetupProperties(web3.eth, ethProperties());\nsetupMethods(web3.db, dbMethods());\nsetupMethods(web3.shh, shhMethods());\n\nvar ethWatch = {\n    changed: 'eth_changed'\n};\n\nsetupMethods(ethWatch, ethWatchMethods());\n\nvar shhWatch = {\n    changed: 'shh_changed'\n};\n\nsetupMethods(shhWatch, shhWatchMethods());\n\nweb3.setProvider = function(provider) {\n    //provider.onmessage = messageHandler; // there will be no async calls, to remove\n    web3.provider.set(provider);\n};\n\nmodule.exports = web3;\n\n",
+    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file abi.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n *   Gav Wood <g@ethdev.com>\n * @date 2014\n */\n\nvar web3 = require('./web3'); \nvar utils = require('./utils');\nvar types = require('./types');\nvar c = require('./const');\nvar f = require('./formatters');\n\nvar displayTypeError = function (type) {\n    console.error('parser does not support type: ' + type);\n};\n\n/// This method should be called if we want to check if givent type is an array type\n/// @returns true if it is, otherwise false\nvar arrayType = function (type) {\n    return type.slice(-2) === '[]';\n};\n\nvar dynamicTypeBytes = function (type, value) {\n    // TODO: decide what to do with array of strings\n    if (arrayType(type) || type === 'string')    // only string itself that is dynamic; stringX is static length.\n        return f.formatInputInt(value.length); \n    return \"\";\n};\n\nvar inputTypes = types.inputTypes(); \n\n/// Formats input params to bytes\n/// @param abi contract method inputs\n/// @param array of params that will be formatted to bytes\n/// @returns bytes representation of input params\nvar formatInput = function (inputs, params) {\n    var bytes = \"\";\n    var padding = c.ETH_PADDING * 2;\n\n    /// first we iterate in search for dynamic \n    inputs.forEach(function (input, index) {\n        bytes += dynamicTypeBytes(input.type, params[index]);\n    });\n\n    inputs.forEach(function (input, i) {\n        var typeMatch = false;\n        for (var j = 0; j < inputTypes.length && !typeMatch; j++) {\n            typeMatch = inputTypes[j].type(inputs[i].type, params[i]);\n        }\n        if (!typeMatch) {\n            displayTypeError(inputs[i].type);\n        }\n\n        var formatter = inputTypes[j - 1].format;\n        var toAppend = \"\";\n\n        if (arrayType(inputs[i].type))\n            toAppend = params[i].reduce(function (acc, curr) {\n                return acc + formatter(curr);\n            }, \"\");\n        else\n            toAppend = formatter(params[i]);\n\n        bytes += toAppend; \n    });\n    return bytes;\n};\n\nvar dynamicBytesLength = function (type) {\n    if (arrayType(type) || type === 'string')   // only string itself that is dynamic; stringX is static length.\n        return c.ETH_PADDING * 2;\n    return 0;\n};\n\nvar outputTypes = types.outputTypes(); \n\n/// Formats output bytes back to param list\n/// @param contract abi method outputs\n/// @param bytes representtion of output \n/// @returns array of output params \nvar formatOutput = function (outs, output) {\n    \n    output = output.slice(2);\n    var result = [];\n    var padding = c.ETH_PADDING * 2;\n\n    var dynamicPartLength = outs.reduce(function (acc, curr) {\n        return acc + dynamicBytesLength(curr.type);\n    }, 0);\n    \n    var dynamicPart = output.slice(0, dynamicPartLength);\n    output = output.slice(dynamicPartLength);\n\n    outs.forEach(function (out, i) {\n        var typeMatch = false;\n        for (var j = 0; j < outputTypes.length && !typeMatch; j++) {\n            typeMatch = outputTypes[j].type(outs[i].type);\n        }\n\n        if (!typeMatch) {\n            displayTypeError(outs[i].type);\n        }\n\n        var formatter = outputTypes[j - 1].format;\n        if (arrayType(outs[i].type)) {\n            var size = f.formatOutputUInt(dynamicPart.slice(0, padding));\n            dynamicPart = dynamicPart.slice(padding);\n            var array = [];\n            for (var k = 0; k < size; k++) {\n                array.push(formatter(output.slice(0, padding))); \n                output = output.slice(padding);\n            }\n            result.push(array);\n        }\n        else if (types.prefixedType('string')(outs[i].type)) {\n            dynamicPart = dynamicPart.slice(padding); \n            result.push(formatter(output.slice(0, padding)));\n            output = output.slice(padding);\n        } else {\n            result.push(formatter(output.slice(0, padding)));\n            output = output.slice(padding);\n        }\n    });\n\n    return result;\n};\n\n/// @param json abi for contract\n/// @returns input parser object for given json abi\n/// TODO: refactor creating the parser, do not double logic from contract\nvar inputParser = function (json) {\n    var parser = {};\n    json.forEach(function (method) {\n        var displayName = utils.extractDisplayName(method.name); \n        var typeName = utils.extractTypeName(method.name);\n\n        var impl = function () {\n            var params = Array.prototype.slice.call(arguments);\n            return formatInput(method.inputs, params);\n        };\n       \n        if (parser[displayName] === undefined) {\n            parser[displayName] = impl;\n        }\n\n        parser[displayName][typeName] = impl;\n    });\n\n    return parser;\n};\n\n/// @param json abi for contract\n/// @returns output parser for given json abi\nvar outputParser = function (json) {\n    var parser = {};\n    json.forEach(function (method) {\n\n        var displayName = utils.extractDisplayName(method.name); \n        var typeName = utils.extractTypeName(method.name);\n\n        var impl = function (output) {\n            return formatOutput(method.outputs, output);\n        };\n\n        if (parser[displayName] === undefined) {\n            parser[displayName] = impl;\n        }\n\n        parser[displayName][typeName] = impl;\n    });\n\n    return parser;\n};\n\n/// @param function/event name for which we want to get signature\n/// @returns signature of function/event with given name\nvar signatureFromAscii = function (name) {\n    return web3.sha3(web3.fromAscii(name)).slice(0, 2 + c.ETH_SIGNATURE_LENGTH * 2);\n};\n\nvar eventSignatureFromAscii = function (name) {\n    return web3.sha3(web3.fromAscii(name));\n};\n\nmodule.exports = {\n    inputParser: inputParser,\n    outputParser: outputParser,\n    formatInput: formatInput,\n    formatOutput: formatOutput,\n    signatureFromAscii: signatureFromAscii,\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 const.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\n/// required to define ETH_BIGNUMBER_ROUNDING_MODE\nif (\"build\" !== 'build') {/*\n    var BigNumber = require('bignumber.js'); // jshint ignore:line\n*/}\n\nvar ETH_UNITS = [ \n    'wei', \n    'Kwei', \n    'Mwei', \n    'Gwei', \n    'szabo', \n    'finney', \n    'ether', \n    'grand', \n    'Mether', \n    'Gether', \n    'Tether', \n    'Pether', \n    'Eether', \n    'Zether', \n    'Yether', \n    'Nether', \n    'Dether', \n    'Vether', \n    'Uether' \n];\n\nmodule.exports = {\n    ETH_PADDING: 32,\n    ETH_SIGNATURE_LENGTH: 4,\n    ETH_UNITS: ETH_UNITS,\n    ETH_BIGNUMBER_ROUNDING_MODE: { ROUNDING_MODE: BigNumber.ROUND_DOWN }\n};\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 contract.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2014\n */\n\nvar web3 = require('./web3'); \nvar abi = require('./abi');\nvar utils = require('./utils');\nvar eventImpl = require('./event');\n\nvar exportNatspecGlobals = function (vars) {\n    // it's used byt natspec.js\n    // TODO: figure out better way to solve this\n    web3._currentContractAbi = vars.abi;\n    web3._currentContractAddress = vars.address;\n    web3._currentContractMethodName = vars.method;\n    web3._currentContractMethodParams = vars.params;\n};\n\nvar addFunctionRelatedPropertiesToContract = function (contract) {\n    \n    contract.call = function (options) {\n        contract._isTransact = false;\n        contract._options = options;\n        return contract;\n    };\n\n    contract.transact = function (options) {\n        contract._isTransact = true;\n        contract._options = options;\n        return contract;\n    };\n\n    contract._options = {};\n    ['gas', 'gasPrice', 'value', 'from'].forEach(function(p) {\n        contract[p] = function (v) {\n            contract._options[p] = v;\n            return contract;\n        };\n    });\n\n};\n\nvar addFunctionsToContract = function (contract, desc, address) {\n    var inputParser = abi.inputParser(desc);\n    var outputParser = abi.outputParser(desc);\n\n    // create contract functions\n    utils.filterFunctions(desc).forEach(function (method) {\n\n        var displayName = utils.extractDisplayName(method.name);\n        var typeName = utils.extractTypeName(method.name);\n\n        var impl = function () {\n            var params = Array.prototype.slice.call(arguments);\n            var signature = abi.signatureFromAscii(method.name);\n            var parsed = inputParser[displayName][typeName].apply(null, params);\n\n            var options = contract._options || {};\n            options.to = address;\n            options.data = signature + parsed;\n            \n            var isTransact = contract._isTransact === true || (contract._isTransact !== false && !method.constant);\n            var collapse = options.collapse !== false;\n            \n            // reset\n            contract._options = {};\n            contract._isTransact = null;\n\n            if (isTransact) {\n                \n                exportNatspecGlobals({\n                    abi: desc,\n                    address: address,\n                    method: method.name,\n                    params: params\n                });\n\n                // transactions do not have any output, cause we do not know, when they will be processed\n                web3.eth.transact(options);\n                return;\n            }\n            \n            var output = web3.eth.call(options);\n            var ret = outputParser[displayName][typeName](output);\n            if (collapse)\n            {\n                if (ret.length === 1)\n                    ret = ret[0];\n                else if (ret.length === 0)\n                    ret = null;\n            }\n            return ret;\n        };\n\n        if (contract[displayName] === undefined) {\n            contract[displayName] = impl;\n        }\n\n        contract[displayName][typeName] = impl;\n    });\n};\n\nvar addEventRelatedPropertiesToContract = function (contract, desc, address) {\n    contract.address = address;\n    contract._onWatchEventResult = function (data) {\n        var matchingEvent = event.getMatchingEvent(utils.filterEvents(desc));\n        var parser = eventImpl.outputParser(matchingEvent);\n        return parser(data);\n    };\n    \n    Object.defineProperty(contract, 'topic', {\n        get: function() {\n            return utils.filterEvents(desc).map(function (e) {\n                return abi.eventSignatureFromAscii(e.name);\n            });\n        }\n    });\n\n};\n\nvar addEventsToContract = function (contract, desc, address) {\n    // create contract events\n    utils.filterEvents(desc).forEach(function (e) {\n\n        var impl = function () {\n            var params = Array.prototype.slice.call(arguments);\n            var signature = abi.eventSignatureFromAscii(e.name);\n            var event = eventImpl.inputParser(address, signature, e);\n            var o = event.apply(null, params);\n            o._onWatchEventResult = function (data) {\n                var parser = eventImpl.outputParser(e);\n                return parser(data);\n            };\n            return web3.eth.watch(o);  \n        };\n        \n        // this property should be used by eth.filter to check if object is an event\n        impl._isEvent = true;\n\n        var displayName = utils.extractDisplayName(e.name);\n        var typeName = utils.extractTypeName(e.name);\n\n        if (contract[displayName] === undefined) {\n            contract[displayName] = impl;\n        }\n\n        contract[displayName][typeName] = impl;\n\n    });\n};\n\n\n/**\n * This method should be called when we want to call / transact some solidity method from javascript\n * it returns an object which has same methods available as solidity contract description\n * usage example: \n *\n * var abi = [{\n *      name: 'myMethod',\n *      inputs: [{ name: 'a', type: 'string' }],\n *      outputs: [{name: 'd', type: 'string' }]\n * }];  // contract abi\n *\n * var myContract = web3.eth.contract('0x0123123121', abi); // creation of contract object\n *\n * myContract.myMethod('this is test string param for call'); // myMethod call (implicit, default)\n * myContract.call().myMethod('this is test string param for call'); // myMethod call (explicit)\n * myContract.transact().myMethod('this is test string param for transact'); // myMethod transact\n *\n * @param address - address of the contract, which should be called\n * @param desc - abi json description of the contract, which is being created\n * @returns contract object\n */\n\nvar contract = function (address, desc) {\n\n    // workaround for invalid assumption that method.name is the full anonymous prototype of the method.\n    // it's not. it's just the name. the rest of the code assumes it's actually the anonymous\n    // prototype, so we make it so as a workaround.\n    // TODO: we may not want to modify input params, maybe use copy instead?\n    desc.forEach(function (method) {\n        if (method.name.indexOf('(') === -1) {\n            var displayName = method.name;\n            var typeName = method.inputs.map(function(i){return i.type; }).join();\n            method.name = displayName + '(' + typeName + ')';\n        }\n    });\n\n    var result = {};\n    addFunctionRelatedPropertiesToContract(result);\n    addFunctionsToContract(result, desc, address);\n    addEventRelatedPropertiesToContract(result, desc, address);\n    addEventsToContract(result, desc, address);\n\n    return result;\n};\n\nmodule.exports = contract;\n\n",
+    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file event.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2014\n */\n\nvar abi = require('./abi');\nvar utils = require('./utils');\n\n/// filter inputs array && returns only indexed (or not) inputs\n/// @param inputs array\n/// @param bool if result should be an array of indexed params on not\n/// @returns array of (not?) indexed params\nvar filterInputs = function (inputs, indexed) {\n    return inputs.filter(function (current) {\n        return current.indexed === indexed;\n    });\n};\n\nvar inputWithName = function (inputs, name) {\n    var index = utils.findIndex(inputs, function (input) {\n        return input.name === name;\n    });\n    \n    if (index === -1) {\n        console.error('indexed param with name ' + name + ' not found');\n        return undefined;\n    }\n    return inputs[index];\n};\n\nvar indexedParamsToTopics = function (event, indexed) {\n    // sort keys?\n    return Object.keys(indexed).map(function (key) {\n        var inputs = [inputWithName(filterInputs(event.inputs, true), key)];\n\n        var value = indexed[key];\n        if (value instanceof Array) {\n            return value.map(function (v) {\n                return abi.formatInput(inputs, [v]);\n            }); \n        }\n        return abi.formatInput(inputs, [value]);\n    });\n};\n\nvar inputParser = function (address, signature, event) {\n    \n    // valid options are 'earliest', 'latest', 'offset' and 'max', as defined for 'eth.watch'\n    return function (indexed, options) {\n        var o = options || {};\n        o.address = address;\n        o.topic = [];\n        o.topic.push(signature);\n        if (indexed) {\n            o.topic = o.topic.concat(indexedParamsToTopics(event, indexed));\n        }\n        return o;\n    };\n};\n\nvar getArgumentsObject = function (inputs, indexed, notIndexed) {\n    var indexedCopy = indexed.slice();\n    var notIndexedCopy = notIndexed.slice();\n    return inputs.reduce(function (acc, current) {\n        var value;\n        if (current.indexed)\n            value = indexed.splice(0, 1)[0];\n        else\n            value = notIndexed.splice(0, 1)[0];\n\n        acc[current.name] = value;\n        return acc;\n    }, {}); \n};\n \nvar outputParser = function (event) {\n    \n    return function (output) {\n        var result = {\n            event: utils.extractDisplayName(event.name),\n            number: output.number,\n            args: {}\n        };\n\n        if (!output.topic) {\n            return result;\n        }\n       \n        var indexedOutputs = filterInputs(event.inputs, true);\n        var indexedData = \"0x\" + output.topic.slice(1, output.topic.length).map(function (topic) { return topic.slice(2); }).join(\"\");\n        var indexedRes = abi.formatOutput(indexedOutputs, indexedData);\n\n        var notIndexedOutputs = filterInputs(event.inputs, false);\n        var notIndexedRes = abi.formatOutput(notIndexedOutputs, output.data);\n\n        result.args = getArgumentsObject(event.inputs, indexedRes, notIndexedRes);\n\n        return result;\n    };\n};\n\nvar getMatchingEvent = function (events, payload) {\n    for (var i = 0; i < events.length; i++) {\n        var signature = abi.eventSignatureFromAscii(events[i].name); \n        if (signature === payload.topic[0]) {\n            return events[i];\n        }\n    }\n    return undefined;\n};\n\n\nmodule.exports = {\n    inputParser: inputParser,\n    outputParser: outputParser,\n    getMatchingEvent: getMatchingEvent\n};\n\n",
+    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file filter.js\n * @authors:\n *   Jeffrey Wilcke <jeff@ethdev.com>\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n *   Gav Wood <g@ethdev.com>\n * @date 2014\n */\n\nvar web3 = require('./web3'); // jshint ignore:line\n\n/// should be used when we want to watch something\n/// it's using inner polling mechanism and is notified about changes\n/// TODO: change 'options' name cause it may be not the best matching one, since we have events\nvar Filter = function(options, impl) {\n\n    if (typeof options !== \"string\") {\n\n        // topics property is deprecated, warn about it!\n        if (options.topics) {\n            console.warn('\"topics\" is deprecated, use \"topic\" instead');\n        }\n        \n        this._onWatchResult = options._onWatchEventResult;\n\n        // evaluate lazy properties\n        options = {\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    \n    this.impl = impl;\n    this.callbacks = [];\n\n    this.id = impl.newFilter(options);\n    web3.provider.startPolling({method: impl.changed, params: [this.id]}, this.id, this.trigger.bind(this));\n};\n\n/// alias for changed*\nFilter.prototype.arrived = function(callback) {\n    this.changed(callback);\n};\nFilter.prototype.happened = function(callback) {\n    this.changed(callback);\n};\n\n/// gets called when there is new eth/shh message\nFilter.prototype.changed = function(callback) {\n    this.callbacks.push(callback);\n};\n\n/// trigger calling new message from people\nFilter.prototype.trigger = function(messages) {\n    for (var i = 0; i < this.callbacks.length; i++) {\n        for (var j = 0; j < messages.length; j++) {\n            var message = this._onWatchResult ? this._onWatchResult(messages[j]) : messages[j];\n            this.callbacks[i].call(this, message);\n        }\n    }\n};\n\n/// should be called to uninstall current filter\nFilter.prototype.uninstall = function() {\n    this.impl.uninstallFilter(this.id);\n    web3.provider.stopPolling(this.id);\n};\n\n/// should be called to manually trigger getting latest messages from the client\nFilter.prototype.messages = function() {\n    return this.impl.getMessages(this.id);\n};\n\n/// alias for messages\nFilter.prototype.logs = function () {\n    return this.messages();\n};\n\nmodule.exports = Filter;\n",
+    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file formatters.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n * @date 2015\n */\n\nif (\"build\" !== 'build') {/*\n    var BigNumber = require('bignumber.js'); // jshint ignore:line\n*/}\n\nvar utils = require('./utils');\nvar c = require('./const');\n\n/// @param string string to be padded\n/// @param number of characters that result string should have\n/// @param sign, by default 0\n/// @returns right aligned string\nvar padLeft = function (string, chars, sign) {\n    return new Array(chars - string.length + 1).join(sign ? sign : \"0\") + string;\n};\n\n/// Formats input value to byte representation of int\n/// If value is negative, return it's two's complement\n/// If the value is floating point, round it down\n/// @returns right-aligned byte representation of int\nvar formatInputInt = function (value) {\n    var padding = c.ETH_PADDING * 2;\n    if (value instanceof BigNumber || typeof value === 'number') {\n        if (typeof value === 'number')\n            value = new BigNumber(value);\n        BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE);\n        value = value.round();\n\n        if (value.lessThan(0)) \n            value = new BigNumber(\"ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff\", 16).plus(value).plus(1);\n        value = value.toString(16);\n    }\n    else if (value.indexOf('0x') === 0)\n        value = value.substr(2);\n    else if (typeof value === 'string')\n        value = formatInputInt(new BigNumber(value));\n    else\n        value = (+value).toString(16);\n    return padLeft(value, padding);\n};\n\n/// Formats input value to byte representation of string\n/// @returns left-algined byte representation of string\nvar formatInputString = function (value) {\n    return utils.fromAscii(value, c.ETH_PADDING).substr(2);\n};\n\n/// Formats input value to byte representation of bool\n/// @returns right-aligned byte representation bool\nvar formatInputBool = function (value) {\n    return '000000000000000000000000000000000000000000000000000000000000000' + (value ?  '1' : '0');\n};\n\n/// Formats input value to byte representation of real\n/// Values are multiplied by 2^m and encoded as integers\n/// @returns byte representation of real\nvar formatInputReal = function (value) {\n    return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128))); \n};\n\n\n/// Check if input value is negative\n/// @param value is hex format\n/// @returns true if it is negative, otherwise false\nvar signedIsNegative = function (value) {\n    return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';\n};\n\n/// Formats input right-aligned input bytes to int\n/// @returns right-aligned input bytes formatted to int\nvar formatOutputInt = function (value) {\n    value = value || \"0\";\n    // check if it's negative number\n    // it it is, return two's complement\n    if (signedIsNegative(value)) {\n        return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);\n    }\n    return new BigNumber(value, 16);\n};\n\n/// Formats big right-aligned input bytes to uint\n/// @returns right-aligned input bytes formatted to uint\nvar formatOutputUInt = function (value) {\n    value = value || \"0\";\n    return new BigNumber(value, 16);\n};\n\n/// @returns input bytes formatted to real\nvar formatOutputReal = function (value) {\n    return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128)); \n};\n\n/// @returns input bytes formatted to ureal\nvar formatOutputUReal = function (value) {\n    return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128)); \n};\n\n/// @returns right-aligned input bytes formatted to hex\nvar formatOutputHash = function (value) {\n    return \"0x\" + value;\n};\n\n/// @returns right-aligned input bytes formatted to bool\nvar formatOutputBool = function (value) {\n    return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;\n};\n\n/// @returns left-aligned input bytes formatted to ascii string\nvar formatOutputString = function (value) {\n    return utils.toAscii(value);\n};\n\n/// @returns right-aligned input bytes formatted to address\nvar formatOutputAddress = function (value) {\n    return \"0x\" + value.slice(value.length - 40, value.length);\n};\n\n\nmodule.exports = {\n    formatInputInt: formatInputInt,\n    formatInputString: formatInputString,\n    formatInputBool: formatInputBool,\n    formatInputReal: formatInputReal,\n    formatOutputInt: formatOutputInt,\n    formatOutputUInt: formatOutputUInt,\n    formatOutputReal: formatOutputReal,\n    formatOutputUReal: formatOutputUReal,\n    formatOutputHash: formatOutputHash,\n    formatOutputBool: formatOutputBool,\n    formatOutputString: formatOutputString,\n    formatOutputAddress: formatOutputAddress\n};\n\n",
+    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file httpsync.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n * @date 2014\n */\n\nif (\"build\" !== 'build') {/*\n        var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line\n*/}\n\nvar HttpSyncProvider = function (host) {\n    this.handlers = [];\n    this.host = host || 'http://localhost:8080';\n};\n\nHttpSyncProvider.prototype.send = function (payload) {\n    //var data = formatJsonRpcObject(payload);\n    \n    var request = new XMLHttpRequest();\n    request.open('POST', this.host, false);\n    request.send(JSON.stringify(payload));\n    \n    // check request.status\n    var result = request.responseText;\n    return JSON.parse(result);\n};\n\nmodule.exports = HttpSyncProvider;\n\n",
+    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file 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 providermanager.js\n * @authors:\n *   Jeffrey Wilcke <jeff@ethdev.com>\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n *   Gav Wood <g@ethdev.com>\n * @date 2014\n */\n\nvar web3 = require('./web3'); \nvar jsonrpc = require('./jsonrpc');\n\n\n/**\n * Provider manager object prototype\n * It's responsible for passing messages to providers\n * If no provider is set it's responsible for queuing requests\n * It's also responsible for polling the ethereum node for incoming messages\n * Default poll timeout is 12 seconds\n * If we are running ethereum.js inside ethereum browser, there are backend based tools responsible for polling,\n * and provider manager polling mechanism is not used\n */\nvar ProviderManager = function() {\n    this.polls = [];\n    this.provider = undefined;\n\n    var self = this;\n    var poll = function () {\n        if (self.provider) {\n            var pollsBatch = self.polls.map(function (data) {\n                return data.data;\n            });\n\n            var payload = jsonrpc.toBatchPayload(pollsBatch);\n            var results = self.provider.send(payload);\n\n            self.polls.forEach(function (data, index) {\n                var result = results[index];\n                \n                if (!jsonrpc.isValidResponse(result)) {\n                    console.log(result);\n                    return;\n                }\n\n                result = result.result;\n                // dont call the callback if result is not an array, or empty one\n                if (!(result instanceof Array) || result.length === 0) {\n                    return;\n                }\n\n                data.callback(result);\n\n            });\n\n        }\n        setTimeout(poll, 1000);\n    };\n    poll();\n};\n\n/// sends outgoing requests\n/// @params data - an object with at least 'method' property\nProviderManager.prototype.send = function(data) {\n    var payload = jsonrpc.toPayload(data.method, data.params);\n\n    if (this.provider === undefined) {\n        console.error('provider is not set');\n        return null; \n    }\n\n    var result = this.provider.send(payload);\n\n    if (!jsonrpc.isValidResponse(result)) {\n        console.log(result);\n        return null;\n    }\n\n    return result.result;\n};\n\n/// setups provider, which will be used for sending messages\nProviderManager.prototype.set = function(provider) {\n    this.provider = provider;\n};\n\n/// this method is only used, when we do not have native qt bindings and have to do polling on our own\n/// should be callled, on start watching for eth/shh changes\nProviderManager.prototype.startPolling = function (data, pollId, callback) {\n    this.polls.push({data: data, id: pollId, callback: callback});\n};\n\n/// should be called to stop polling for certain watch changes\nProviderManager.prototype.stopPolling = function (pollId) {\n    for (var i = this.polls.length; i--;) {\n        var poll = this.polls[i];\n        if (poll.id === pollId) {\n            this.polls.splice(i, 1);\n        }\n    }\n};\n\nmodule.exports = ProviderManager;\n\n",
+    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file qtsync.js\n * @authors:\n *   Marek Kotewicz <marek@ethdev.com>\n *   Marian Oancea <marian@ethdev.com>\n * @date 2014\n */\n\nvar QtSyncProvider = function () {\n};\n\nQtSyncProvider.prototype.send = function (payload) {\n    var result = navigator.qt.callMethod(JSON.stringify(payload));\n    return JSON.parse(result);\n};\n\nmodule.exports = QtSyncProvider;\n\n",
+    "/*\n    This file is part of ethereum.js.\n\n    ethereum.js is free software: you can redistribute it and/or modify\n    it under the terms of the GNU Lesser General Public License as published by\n    the Free Software Foundation, either version 3 of the License, or\n    (at your option) any later version.\n\n    ethereum.js is distributed in the hope that it will be useful,\n    but WITHOUT ANY WARRANTY; without even the implied warranty of\n    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the\n    GNU Lesser General Public License for more details.\n\n    You should have received a copy of the GNU Lesser General Public License\n    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.\n*/\n/** @file 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\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    var val = typeof str === \"string\" ? str.indexOf('0x') === 0 ? parseInt(str.substr(2), 16) : parseInt(str) : 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\nmodule.exports = {\n    findIndex: findIndex,\n    toAscii: toAscii,\n    fromAscii: fromAscii,\n    extractDisplayName: extractDisplayName,\n    extractTypeName: extractTypeName,\n    filterFunctions: filterFunctions,\n    filterEvents: filterEvents,\n    toEth: toEth\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\nif (\"build\" !== 'build') {/*\n    var BigNumber = require('bignumber.js');\n*/}\n\nvar utils = require('./utils');\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/// @returns an array of objects describing web3.eth api methods\nvar ethMethods = function () {\n    var blockCall = function (args) {\n        return typeof args[0] === \"string\" ? \"eth_blockByHash\" : \"eth_blockByNumber\";\n    };\n\n    var transactionCall = function (args) {\n        return typeof args[0] === \"string\" ? 'eth_transactionByHash' : 'eth_transactionByNumber';\n    };\n\n    var uncleCall = function (args) {\n        return typeof args[0] === \"string\" ? 'eth_uncleByHash' : 'eth_uncleByNumber';\n    };\n\n    var methods = [\n    { name: 'balanceAt', call: 'eth_balanceAt' },\n    { name: 'stateAt', call: 'eth_stateAt' },\n    { name: 'storageAt', call: 'eth_storageAt' },\n    { name: 'countAt', call: 'eth_countAt'},\n    { name: 'codeAt', call: 'eth_codeAt' },\n    { name: 'transact', call: 'eth_transact' },\n    { name: 'call', call: 'eth_call' },\n    { name: 'block', call: blockCall },\n    { name: 'transaction', call: transactionCall },\n    { name: 'uncle', call: uncleCall },\n    { name: 'compilers', call: 'eth_compilers' },\n    { name: 'flush', call: 'eth_flush' },\n    { name: 'lll', call: 'eth_lll' },\n    { name: 'solidity', call: 'eth_solidity' },\n    { name: 'serpent', call: 'eth_serpent' },\n    { name: 'logs', call: 'eth_logs' }\n    ];\n    return methods;\n};\n\n/// @returns an array of objects describing web3.eth api properties\nvar ethProperties = function () {\n    return [\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' },\n    { name: 'accounts', getter: 'eth_accounts' },\n    { name: 'peerCount', getter: 'eth_peerCount' },\n    { name: 'defaultBlock', getter: 'eth_defaultBlock', setter: 'eth_setDefaultBlock' },\n    { name: 'number', getter: 'eth_number'}\n    ];\n};\n\n/// @returns an array of objects describing web3.db api methods\nvar dbMethods = function () {\n    return [\n    { name: 'put', call: 'db_put' },\n    { name: 'get', call: 'db_get' },\n    { name: 'putString', call: 'db_putString' },\n    { name: 'getString', call: 'db_getString' }\n    ];\n};\n\n/// @returns an array of objects describing web3.shh api methods\nvar shhMethods = function () {\n    return [\n    { name: 'post', call: 'shh_post' },\n    { name: 'newIdentity', call: 'shh_newIdentity' },\n    { name: 'haveIdentity', call: 'shh_haveIdentity' },\n    { name: 'newGroup', call: 'shh_newGroup' },\n    { name: 'addToGroup', call: 'shh_addToGroup' }\n    ];\n};\n\n/// @returns an array of objects describing web3.eth.watch api methods\nvar ethWatchMethods = 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: 'getMessages', call: 'eth_filterLogs' }\n    ];\n};\n\n/// @returns an array of objects describing web3.shh.watch api methods\nvar shhWatchMethods = function () {\n    return [\n    { name: 'newFilter', call: 'shh_newFilter' },\n    { name: 'uninstallFilter', call: 'shh_uninstallFilter' },\n    { name: 'getMessages', call: 'shh_getMessages' }\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        obj[method.name] = function () {\n            var args = Array.prototype.slice.call(arguments);\n            var call = typeof method.call === 'function' ? method.call(args) : method.call;\n            return web3.provider.send({\n                method: call,\n                params: args\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            return web3.provider.send({\n                method: property.getter\n            });\n        };\n\n        if (property.setter) {\n            proto.set = function (val) {\n                return web3.provider.send({\n                    method: property.setter,\n                    params: [val]\n                });\n            };\n        }\n        Object.defineProperty(obj, property.name, proto);\n    });\n};\n\n/// setups web3 object, and it's in-browser executed methods\nvar web3 = {\n    _callbacks: {},\n    _events: {},\n    providers: {},\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: 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\n    /// @returns hex representation (prefixed by 0x) of decimal value\n    fromDecimal: function (val) {\n        return \"0x\" + (new BigNumber(val).toString(16));\n    },\n\n    /// used to transform value/string to eth string\n    toEth: utils.toEth,\n\n    /// eth object prototype\n    eth: {\n        contractFromAbi: function (abi) {\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 indexed is optional, this is an object with optional event indexed params\n        /// @param options is optional, this is an object with optional event options ('max'...)\n        watch: function (filter, indexed, options) {\n            if (filter._isEvent) {\n                return filter(indexed, options);\n            }\n            return new web3.filter(filter, ethWatch);\n        }\n    },\n\n    /// db object prototype\n    db: {},\n\n    /// shh object prototype\n    shh: {\n        \n        /// @param filter may be a string, object or event\n        watch: function (filter, indexed) {\n            return new web3.filter(filter, shhWatch);\n        }\n    },\n};\n\n/// setups all api methods\nsetupMethods(web3, web3Methods());\nsetupMethods(web3.eth, ethMethods());\nsetupProperties(web3.eth, ethProperties());\nsetupMethods(web3.db, dbMethods());\nsetupMethods(web3.shh, shhMethods());\n\nvar ethWatch = {\n    changed: 'eth_changed'\n};\n\nsetupMethods(ethWatch, ethWatchMethods());\n\nvar shhWatch = {\n    changed: 'shh_changed'\n};\n\nsetupMethods(shhWatch, shhWatchMethods());\n\nweb3.setProvider = function(provider) {\n    web3.provider.set(provider);\n};\n\nmodule.exports = web3;\n\n",
     "var web3 = require('./lib/web3');\nvar ProviderManager = require('./lib/providermanager');\nweb3.provider = new ProviderManager();\nweb3.filter = require('./lib/filter');\nweb3.providers.HttpSyncProvider = require('./lib/httpsync');\nweb3.providers.QtSyncProvider = require('./lib/qtsync');\nweb3.eth.contract = require('./lib/contract');\nweb3.abi = require('./lib/abi');\n\n\nmodule.exports = web3;\n"
   ]
 }
\ No newline at end of file
diff --git a/cmd/mist/assets/ext/ethereum.js/dist/ethereum.min.js b/cmd/mist/assets/ext/ethereum.js/dist/ethereum.min.js
index b5b0fb547..a724e6261 100644
--- a/cmd/mist/assets/ext/ethereum.js/dist/ethereum.min.js
+++ b/cmd/mist/assets/ext/ethereum.js/dist/ethereum.min.js
@@ -1 +1 @@
-require=function t(e,n,r){function i(a,f){if(!n[a]){if(!e[a]){var u="function"==typeof require&&require;if(!f&&u)return u(a,!0);if(o)return o(a,!0);var s=new Error("Cannot find module '"+a+"'");throw s.code="MODULE_NOT_FOUND",s}var c=n[a]={exports:{}};e[a][0].call(c.exports,function(t){var n=e[a][1][t];return i(n?n:t)},c,c.exports,t,e,n,r)}return n[a].exports}for(var o="function"==typeof require&&require,a=0;a<r.length;a++)i(r[a]);return i}({1:[function(t,e){var n=t("./web3");BigNumber.config({ROUNDING_MODE:BigNumber.ROUND_DOWN});var r=32,i=4,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,e){return o(t,function(t){return t.name===e})},f=function(t,e){var n=a(t,e);return-1===n?void console.error("method "+e+" not found in the abi"):t[n]},u=function(t,e,n){return new Array(e-t.length+1).join(n?n:"0")+t},s=function(t){return function(e){return 0===e.indexOf(t)}},c=function(t){return function(e){return 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r},o=function(){return[{name:"coinbase",getter:"eth_coinbase",setter:"eth_setCoinbase"},{name:"listening",getter:"eth_listening",setter:"eth_setListening"},{name:"mining",getter:"eth_mining",setter:"eth_setMining"},{name:"gasPrice",getter:"eth_gasPrice"},{name:"accounts",getter:"eth_accounts"},{name:"peerCount",getter:"eth_peerCount"},{name:"defaultBlock",getter:"eth_defaultBlock",setter:"eth_setDefaultBlock"},{name:"number",getter:"eth_number"}]},a=function(){return[{name:"put",call:"db_put"},{name:"get",call:"db_get"},{name:"putString",call:"db_putString"},{name:"getString",call:"db_getString"}]},f=function(){return[{name:"post",call:"shh_post"},{name:"newIdentity",call:"shh_newIdentity"},{name:"haveIdentity",call:"shh_haveIdentity"},{name:"newGroup",call:"shh_newGroup"},{name:"addToGroup",call:"shh_addToGroup"}]},u=function(){var t=function(t){return"string"==typeof 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h.filter(t,d)}},haveProvider:function(){return!!h.provider.provider}};c(h,r()),c(h.eth,i()),l(h.eth,o()),c(h.db,a()),c(h.shh,f());var p={changed:"eth_changed"};c(p,u());var d={changed:"shh_changed"};c(d,s()),h.setProvider=function(t){h.provider.set(t)},e.exports=h},{}],web3:[function(t,e){var n=t("./lib/web3"),r=t("./lib/providermanager");n.provider=new r,n.filter=t("./lib/filter"),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":2,"./lib/filter":3,"./lib/httpsync":4,"./lib/providermanager":5,"./lib/qtsync":6,"./lib/web3":7}]},{},["web3"]);
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n=r.extractDisplayName(t.name),i=r.extractTypeName(t.name),o=function(e){return h(t.outputs,e)};void 0===e[n]&&(e[n]=o),e[n][i]=o}),e},v=function(t){return n.sha3(n.fromAscii(t)).slice(0,2+2*o.ETH_SIGNATURE_LENGTH)},y=function(t){return n.sha3(n.fromAscii(t))};e.exports={inputParser:d,outputParser:g,formatInput:l,formatOutput:h,signatureFromAscii:v,eventSignatureFromAscii:y}},{"./const":2,"./formatters":6,"./types":11,"./utils":12,"./web3":13}],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}}},{}],3:[function(t,e){var n=t("./web3"),r=t("./abi"),i=t("./utils"),o=t("./event"),a=function(t){n._currentContractAbi=t.abi,n._currentContractAddress=t.address,n._currentContractMethodName=t.method,n._currentContractMethodParams=t.params},u=function(t){t.call=function(e){return t._isTransact=!1,t._options=e,t},t.transact=function(e){return t._isTransact=!0,t._options=e,t},t._options={},["gas","gasPrice","value","from"].forEach(function(e){t[e]=function(n){return t._options[e]=n,t}})},s=function(t,e,o){var u=r.inputParser(e),s=r.outputParser(e);i.filterFunctions(e).forEach(function(f){var c=i.extractDisplayName(f.name),l=i.extractTypeName(f.name),p=function(){var i=Array.prototype.slice.call(arguments),p=r.signatureFromAscii(f.name),m=u[c][l].apply(null,i),h=t._options||{};h.to=o,h.data=p+m;var d=t._isTransact===!0||t._isTransact!==!1&&!f.constant,g=h.collapse!==!1;if(t._options={},t._isTransact=null,d)return a({abi:e,address:o,method:f.name,params:i}),void n.eth.transact(h);var v=n.eth.call(h),y=s[c][l](v);return g&&(1===y.length?y=y[0]:0===y.length&&(y=null)),y};void 0===t[c]&&(t[c]=p),t[c][l]=p})},f=function(t,e,n){t.address=n,t._onWatchEventResult=function(t){var n=event.getMatchingEvent(i.filterEvents(e)),r=o.outputParser(n);return r(t)},Object.defineProperty(t,"topic",{get:function(){return i.filterEvents(e).map(function(t){return r.eventSignatureFromAscii(t.name)})}})},c=function(t,e,a){i.filterEvents(e).forEach(function(e){var u=function(){var t=Array.prototype.slice.call(arguments),i=r.eventSignatureFromAscii(e.name),u=o.inputParser(a,i,e),s=u.apply(null,t);return s._onWatchEventResult=function(t){var n=o.outputParser(e);return n(t)},n.eth.watch(s)};u._isEvent=!0;var s=i.extractDisplayName(e.name),f=i.extractTypeName(e.name);void 0===t[s]&&(t[s]=u),t[s][f]=u})},l=function(t,e){e.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 u(n),s(n,e,t),f(n,e,t),c(n,e,t),n};e.exports=l},{"./abi":1,"./event":4,"./utils":12,"./web3":13}],4:[function(t,e){var n=t("./abi"),r=t("./utils"),i=function(t,e){return t.filter(function(t){return t.indexed===e})},o=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]},a=function(t,e){return Object.keys(e).map(function(r){var a=[o(i(t.inputs,!0),r)],u=e[r];return u instanceof Array?u.map(function(t){return n.formatInput(a,[t])}):n.formatInput(a,[u])})},u=function(t,e,n){return function(r,i){var o=i||{};return o.address=t,o.topic=[],o.topic.push(e),r&&(o.topic=o.topic.concat(a(n,r))),o}},s=function(t,e,n){e.slice(),n.slice();return t.reduce(function(t,r){var i;return i=r.indexed?e.splice(0,1)[0]:n.splice(0,1)[0],t[r.name]=i,t},{})},f=function(t){return function(e){var o={event:r.extractDisplayName(t.name),number:e.number,args:{}};if(!e.topic)return o;var a=i(t.inputs,!0),u="0x"+e.topic.slice(1,e.topic.length).map(function(t){return t.slice(2)}).join(""),f=n.formatOutput(a,u),c=i(t.inputs,!1),l=n.formatOutput(c,e.data);return o.args=s(t.inputs,f,l),o}},c=function(t,e){for(var r=0;r<t.length;r++){var i=n.eventSignatureFromAscii(t[r].name);if(i===e.topic[0])return t[r]}return void 0};e.exports={inputParser:u,outputParser:f,getMatchingEvent:c}},{"./abi":1,"./utils":12}],5:[function(t,e){var n=t("./web3"),r=function(t,e){"string"!=typeof t&&(t.topics&&console.warn('"topics" is deprecated, use "topic" instead'),this._onWatchResult=t._onWatchEventResult,t={to:t.to,topic:t.topic,earliest:t.earliest,latest:t.latest,max:t.max,skip:t.skip,address:t.address}),this.impl=e,this.callbacks=[],this.id=e.newFilter(t),n.provider.startPolling({method:e.changed,params:[this.id]},this.id,this.trigger.bind(this))};r.prototype.arrived=function(t){this.changed(t)},r.prototype.happened=function(t){this.changed(t)},r.prototype.changed=function(t){this.callbacks.push(t)},r.prototype.trigger=function(t){for(var e=0;e<this.callbacks.length;e++)for(var n=0;n<t.length;n++){var r=this._onWatchResult?this._onWatchResult(t[n]):t[n];this.callbacks[e].call(this,r)}},r.prototype.uninstall=function(){this.impl.uninstallFilter(this.id),n.provider.stopPolling(this.id)},r.prototype.messages=function(){return this.impl.getMessages(this.id)},r.prototype.logs=function(){return this.messages()},e.exports=r},{"./web3":13}],6:[function(t,e){var n=t("./utils"),r=t("./const"),i=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),i(t,e)},a=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)))},f=function(t){return"1"===new BigNumber(t.substr(0,1),16).toString(2).substr(0,1)},c=function(t){return t=t||"0",f(t)?new BigNumber(t,16).minus(new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff",16)).minus(1):new BigNumber(t,16)},l=function(t){return t=t||"0",new BigNumber(t,16)},p=function(t){return c(t).dividedBy(new BigNumber(2).pow(128))},m=function(t){return l(t).dividedBy(new BigNumber(2).pow(128))},h=function(t){return"0x"+t},d=function(t){return"0000000000000000000000000000000000000000000000000000000000000001"===t?!0:!1},g=function(t){return n.toAscii(t)},v=function(t){return"0x"+t.slice(t.length-40,t.length)};e.exports={formatInputInt:o,formatInputString:a,formatInputBool:u,formatInputReal:s,formatOutputInt:c,formatOutputUInt:l,formatOutputReal:p,formatOutputUReal:m,formatOutputHash:h,formatOutputBool:d,formatOutputString:g,formatOutputAddress:v}},{"./const":2,"./utils":12}],7:[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 JSON.parse(n)},e.exports=n},{}],8:[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++}},i=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:i,toBatchPayload:o}},{}],9:[function(t,e){var n=(t("./web3"),t("./jsonrpc")),r=function(){this.polls=[],this.provider=void 0;var t=this,e=function(){if(t.provider){var r=t.polls.map(function(t){return t.data}),i=n.toBatchPayload(r),o=t.provider.send(i);t.polls.forEach(function(t,e){var r=o[e];return n.isValidResponse(r)?(r=r.result,void(r instanceof Array&&0!==r.length&&t.callback(r))):void console.log(r)})}setTimeout(e,1e3)};e()};r.prototype.send=function(t){var e=n.toPayload(t.method,t.params);if(void 0===this.provider)return console.error("provider is not set"),null;var r=this.provider.send(e);return n.isValidResponse(r)?r.result:(console.log(r),null)},r.prototype.set=function(t){this.provider=t},r.prototype.startPolling=function(t,e,n){this.polls.push({data:t,id:e,callback:n})},r.prototype.stopPolling=function(t){for(var e=this.polls.length;e--;){var n=this.polls[e];n.id===t&&this.polls.splice(e,1)}},e.exports=r},{"./jsonrpc":8,"./web3":13}],10:[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},{}],11:[function(t,e){var n=t("./formatters"),r=function(t){return function(e){return 0===e.indexOf(t)}},i=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:i("address"),format:n.formatInputInt},{type:i("bool"),format:n.formatInputBool}]},a=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:i("address"),format:n.formatOutputAddress},{type:i("bool"),format:n.formatOutputBool}]};e.exports={prefixedType:r,namedType:i,inputTypes:o,outputTypes:a}},{"./formatters":6}],12:[function(t,e){var n=t("./const"),r=function(t,e){for(var n=!1,r=0;r<t.length&&!n;r++)n=e(t[r]);return n?r-1:-1},i=function(t){var e="",n=0,r=t.length;for("0x"===t.substring(0,2)&&(n=2);r>n;n+=2){var i=parseInt(t.substr(n,2),16);if(0===i)break;e+=String.fromCharCode(i)}return e},o=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},a=function(t,e){e=void 0===e?0:e;for(var n=o(t);n.length<2*e;)n+="00";return"0x"+n},u=function(t){var e=t.indexOf("(");return-1!==e?t.substr(0,e):t},s=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})},c=function(t){return t.filter(function(t){return"event"===t.type})},l=function(t){for(var e="string"==typeof t?0===t.indexOf("0x")?parseInt(t.substr(2),16):parseInt(t):t,r=0,i=n.ETH_UNITS;e>3e3&&r<i.length-1;)e/=1e3,r++;for(var o=e.toString().length<e.toFixed(2).length?e.toString():e.toFixed(2),a=function(t,e,n){return e+","+n};;){var u=o;if(o=o.replace(/(\d)(\d\d\d[\.\,])/,a),u===o)break}return o+" "+i[r]};e.exports={findIndex:r,toAscii:i,fromAscii:a,extractDisplayName:u,extractTypeName:s,filterFunctions:f,filterEvents:c,toEth:l}},{"./const":2}],13:[function(t,e){var n=t("./utils"),r=function(){return[{name:"sha3",call:"web3_sha3"}]},i=function(){var t=function(t){return"string"==typeof t[0]?"eth_blockByHash":"eth_blockByNumber"},e=function(t){return"string"==typeof t[0]?"eth_transactionByHash":"eth_transactionByNumber"},n=function(t){return"string"==typeof t[0]?"eth_uncleByHash":"eth_uncleByNumber"},r=[{name:"balanceAt",call:"eth_balanceAt"},{name:"stateAt",call:"eth_stateAt"},{name:"storageAt",call:"eth_storageAt"},{name:"countAt",call:"eth_countAt"},{name:"codeAt",call:"eth_codeAt"},{name:"transact",call:"eth_transact"},{name:"call",call:"eth_call"},{name:"block",call:t},{name:"transaction",call:e},{name:"uncle",call:n},{name:"compilers",call:"eth_compilers"},{name:"flush",call:"eth_flush"},{name:"lll",call:"eth_lll"},{name:"solidity",call:"eth_solidity"},{name:"serpent",call:"eth_serpent"},{name:"logs",call:"eth_logs"}];return r},o=function(){return[{name:"coinbase",getter:"eth_coinbase",setter:"eth_setCoinbase"},{name:"listening",getter:"eth_listening",setter:"eth_setListening"},{name:"mining",getter:"eth_mining",setter:"eth_setMining"},{name:"gasPrice",getter:"eth_gasPrice"},{name:"accounts",getter:"eth_accounts"},{name:"peerCount",getter:"eth_peerCount"},{name:"defaultBlock",getter:"eth_defaultBlock",setter:"eth_setDefaultBlock"},{name:"number",getter:"eth_number"}]},a=function(){return[{name:"put",call:"db_put"},{name:"get",call:"db_get"},{name:"putString",call:"db_putString"},{name:"getString",call:"db_getString"}]},u=function(){return[{name:"post",call:"shh_post"},{name:"newIdentity",call:"shh_newIdentity"},{name:"haveIdentity",call:"shh_haveIdentity"},{name:"newGroup",call:"shh_newGroup"},{name:"addToGroup",call:"shh_addToGroup"}]},s=function(){var t=function(t){return"string"==typeof t[0]?"eth_newFilterString":"eth_newFilter"};return[{name:"newFilter",call:t},{name:"uninstallFilter",call:"eth_uninstallFilter"},{name:"getMessages",call:"eth_filterLogs"}]},f=function(){return[{name:"newFilter",call:"shh_newFilter"},{name:"uninstallFilter",call:"shh_uninstallFilter"},{name:"getMessages",call:"shh_getMessages"}]},c=function(t,e){e.forEach(function(e){t[e.name]=function(){var t=Array.prototype.slice.call(arguments),n="function"==typeof e.call?e.call(t):e.call;return p.provider.send({method:n,params:t})}})},l=function(t,e){e.forEach(function(e){var n={};n.get=function(){return p.provider.send({method:e.getter})},e.setter&&(n.set=function(t){return p.provider.send({method:e.setter,params:[t]})}),Object.defineProperty(t,e.name,n)})},p={_callbacks:{},_events:{},providers:{},toAscii:n.toAscii,fromAscii:n.fromAscii,toDecimal:function(t){return t=t.length>2?t.substring(2):"0",new BigNumber(t,16).toString(10)},fromDecimal:function(t){return"0x"+new BigNumber(t).toString(16)},toEth:n.toEth,eth:{contractFromAbi:function(t){return function(e){e=e||"0xc6d9d2cd449a754c494264e1809c50e34d64562b";var n=p.eth.contract(e,t);return n.address=e,n}},watch:function(t,e,n){return t._isEvent?t(e,n):new p.filter(t,m)}},db:{},shh:{watch:function(t){return new p.filter(t,h)}}};c(p,r()),c(p.eth,i()),l(p.eth,o()),c(p.db,a()),c(p.shh,u());var m={changed:"eth_changed"};c(m,s());var h={changed:"shh_changed"};c(h,f()),p.setProvider=function(t){p.provider.set(t)},e.exports=p},{"./utils":12}],web3:[function(t,e){var n=t("./lib/web3"),r=t("./lib/providermanager");n.provider=new r,n.filter=t("./lib/filter"),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/filter":5,"./lib/httpsync":7,"./lib/providermanager":9,"./lib/qtsync":10,"./lib/web3":13}]},{},["web3"]);
\ No newline at end of file
diff --git a/cmd/mist/assets/ext/ethereum.js/example/balance.html b/cmd/mist/assets/ext/ethereum.js/example/balance.html
index 4b51c5a7d..616d4eb6f 100644
--- a/cmd/mist/assets/ext/ethereum.js/example/balance.html
+++ b/cmd/mist/assets/ext/ethereum.js/example/balance.html
@@ -17,7 +17,11 @@
         var originalBalance = web3.toDecimal(balance);
         document.getElementById('original').innerText = 'original balance: ' + originalBalance + '    watching...';
 
+<<<<<<< HEAD:cmd/mist/assets/ext/ethereum.js/example/balance.html
         var filter = web3.eth.watch({address: coinbase}).changed(function() {
+=======
+        web3.eth.watch('pending').changed(function() {
+>>>>>>> 859a1999cb204d2c6fcb08d6569c738c5af5cd86:example/balance.html
             balance = web3.eth.balanceAt(coinbase)
             var currentBalance = web3.toDecimal(balance);
             document.getElementById("current").innerText = 'current: ' + currentBalance;
diff --git a/cmd/mist/assets/ext/ethereum.js/example/contract.html b/cmd/mist/assets/ext/ethereum.js/example/contract.html
index dccd1a64f..a534f68d8 100644
--- a/cmd/mist/assets/ext/ethereum.js/example/contract.html
+++ b/cmd/mist/assets/ext/ethereum.js/example/contract.html
@@ -20,6 +20,7 @@
     // contract description, this will be autogenerated somehow
     var desc =  [{
         "name": "multiply(uint256)",
+        "type": "function",
         "inputs": [
         {
             "name": "a",
diff --git a/cmd/mist/assets/ext/ethereum.js/example/contract_with_array.html b/cmd/mist/assets/ext/ethereum.js/example/contract_with_array.html
new file mode 100644
index 000000000..a3dfc8a24
--- /dev/null
+++ b/cmd/mist/assets/ext/ethereum.js/example/contract_with_array.html
@@ -0,0 +1,76 @@
+<!doctype>
+<html>
+
+<head>
+<script type="text/javascript" src="js/bignumber.js/bignumber.min.js"></script>
+<script type="text/javascript" src="../dist/ethereum.js"></script>
+<script type="text/javascript">
+
+    var web3 = require('web3');
+    web3.setProvider(new web3.providers.HttpSyncProvider());
+
+    // solidity source code
+    var source = "" + 
+    "contract test {\n" +
+    "   function multiply(uint[] a) returns(uint d) {\n" +
+    "       return a[0] + a[1];\n" +
+    "   }\n" +
+    "}\n";
+
+    // contract description, this will be autogenerated somehow
+    var desc =  [{
+        "name": "multiply(uint256[])",
+        "type": "function",
+        "inputs": [
+        {
+            "name": "a",
+            "type": "uint256[]"
+        }
+        ],
+        "outputs": [
+        {
+            "name": "d",
+            "type": "uint256"
+        }
+        ]
+    }];
+
+    var contract;
+
+    function createExampleContract() {
+        // hide create button
+        document.getElementById('create').style.visibility = 'hidden'; 
+        document.getElementById('source').innerText = source;
+
+        // create contract
+        var address = web3.eth.transact({code: web3.eth.solidity(source)});
+        contract = web3.eth.contract(address, desc);
+        document.getElementById('call').style.visibility = 'visible';
+    }
+
+    function callExampleContract() {
+        // this should be generated by ethereum
+        var param = parseInt(document.getElementById('value').value);
+        var param2 = parseInt(document.getElementById('value2').value);
+
+        // call the contract
+        var res = contract.call().multiply([param, param2]);
+        document.getElementById('result').innerText = res.toString(10);
+    }
+
+</script>
+</head>
+<body>
+    <h1>contract</h1>
+    <div id="source"></div> 
+    <div id='create'>
+        <button type="button" onClick="createExampleContract();">create example contract</button>
+    </div>
+    <div id='call' style='visibility: hidden;'>
+        <input type="number" id="value" onkeyup='callExampleContract()'></input>
+        <input type="number" id="value2" onkeyup='callExampleContract()'></input>
+    </div>
+    <div id="result"></div>
+</body>
+</html>
+
diff --git a/cmd/mist/assets/ext/ethereum.js/example/event.html b/cmd/mist/assets/ext/ethereum.js/example/event.html
new file mode 100644
index 000000000..84d302437
--- /dev/null
+++ b/cmd/mist/assets/ext/ethereum.js/example/event.html
@@ -0,0 +1,120 @@
+<!doctype>
+<html>
+    <head>
+    <script type="text/javascript" src="js/bignumber.js/bignumber.min.js"></script>
+    <script type="text/javascript" src="../dist/ethereum.js"></script>
+    <script type="text/javascript">
+        var web3 = require('web3');
+        web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8080'));
+
+        var desc = [{
+            "type":"event",
+            "inputs": [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}],
+            "name":"Event"
+        }, {
+            "type":"event",
+            "inputs": [{"name":"a","type":"uint256","indexed":true},{"name":"b","type":"hash256","indexed":false}],
+            "name":"Event2"
+        }, {
+            "type":"function",
+            "inputs": [{"name":"a","type":"uint256"}],
+            "name":"foo",
+            "outputs": []
+        }];
+
+        var address = '0x01';
+
+        var contract = web3.eth.contract(address, desc); 
+
+        function test1() {
+            // "{"topic":["0x83c9849c","0xc4d76332"],"address":"0x01"}"
+            web3.eth.watch(contract).changed(function (res) {
+                
+            });
+        };
+
+        function test2() {
+            // "{"topic":["0x83c9849c"],"address":"0x01"}"
+            web3.eth.watch(contract.Event).changed(function (res) {
+                
+            });
+        };
+
+        function test3() {
+            // "{"topic":["0x83c9849c"],"address":"0x01"}"
+            contract.Event().changed(function (res) {
+                
+            });
+        };
+
+        function test4() {
+            // "{"topic":["0x83c9849c","0000000000000000000000000000000000000000000000000000000000000045"],"address":"0x01"}"
+            contract.Event({a: 69}).changed(function (res) {
+                
+            });
+        };
+
+        function test5() {
+            // "{"topic":["0x83c9849c",["0000000000000000000000000000000000000000000000000000000000000045","000000000000000000000000000000000000000000000000000000000000002a"]],"address":"0x01"}"
+            contract.Event({a: [69, 42]}).changed(function (res) {
+                
+            });
+        };
+
+        function test6() {
+            // "{"topic":["0x83c9849c","000000000000000000000000000000000000000000000000000000000000001e"],"max":100,"address":"0x01"}"
+            contract.Event({a: 30}, {max: 100}).changed(function (res) {
+                
+            });
+        };
+
+        function test7() {
+            // "{"topic":["0x83c9849c","000000000000000000000000000000000000000000000000000000000000001e"],"address":"0x01"}"
+            web3.eth.watch(contract.Event, {a: 30}).changed(function (res) {
+
+            });
+        };
+
+        function test8() {
+            // "{"topic":["0x83c9849c","000000000000000000000000000000000000000000000000000000000000001e"],"max":100,"address":"0x01"}"
+            web3.eth.watch(contract.Event, {a: 30}, {max: 100}).changed(function (res) {
+
+            });
+        };
+        
+        // not valid
+        // function testX() {
+        //    web3.eth.watch([contract.Event, contract.Event2]).changed(function (res) {
+        //    });
+        // };
+
+    </script>
+    </head>
+
+    <body>
+        <div>
+            <button type="button" onClick="test1();">test1</button>
+        </div>
+        <div>
+            <button type="button" onClick="test2();">test2</button>
+        </div>
+        <div>
+            <button type="button" onClick="test3();">test3</button>
+        </div>
+        <div>
+            <button type="button" onClick="test4();">test4</button>
+        </div>
+        <div>
+            <button type="button" onClick="test5();">test5</button>
+        </div>
+        <div>
+            <button type="button" onClick="test6();">test6</button>
+        </div>
+        <div>
+            <button type="button" onClick="test7();">test7</button>
+        </div>
+        <div>
+            <button type="button" onClick="test8();">test8</button>
+        </div>
+    </body>
+</html>
diff --git a/cmd/mist/assets/ext/ethereum.js/example/event_inc.html b/cmd/mist/assets/ext/ethereum.js/example/event_inc.html
new file mode 100644
index 000000000..17df9d681
--- /dev/null
+++ b/cmd/mist/assets/ext/ethereum.js/example/event_inc.html
@@ -0,0 +1,66 @@
+<!doctype>
+<html>
+    <head>
+    <script type="text/javascript" src="js/bignumber.js/bignumber.min.js"></script>
+    <script type="text/javascript" src="../dist/ethereum.js"></script>
+    <script type="text/javascript">
+        var web3 = require('web3');
+        web3.setProvider(new web3.providers.HttpSyncProvider('http://localhost:8080'));
+
+        var source = "" + 
+        "contract Contract { " +
+        "   event Incremented(bool indexed odd, uint x); " +
+        "   function Contract() { " +
+        "        x = 69; " +
+        "    } " +
+        "    function inc() { " +
+        "        ++x; " +
+        "        Incremented(x % 2 == 1, x); " +
+        "    } " +
+        "    uint x; " +
+        "}";
+
+        var desc = [{
+            "type":"event",
+            "name":"Incremented",
+            "inputs": [{"name":"odd","type":"bool","indexed":true},{"name":"x","type":"uint","indexed":false}],
+        }, {
+            "type":"function",
+            "name":"inc",
+            "inputs": [],
+            "outputs": []
+        }];
+
+        var address;
+        var contract;
+
+        var update = function (x) {
+            document.getElementById('result').innerText = JSON.stringify(x);
+        };
+    
+        var createContract = function () {
+            address = web3.eth.transact({code: web3.eth.solidity(source)});
+            contract = web3.eth.contract(address, desc); 
+            contract.Incremented({odd: true}).changed(update);
+            
+        };
+
+        var callContract = function () {
+            contract.call().inc();
+        };
+
+
+    </script>
+    </head>
+
+    <body>
+        <div>
+            <button type="button" onClick="createContract();">create contract</button>
+        </div>
+        <div>
+            <button type="button" onClick="callContract();">test1</button>
+        </div>
+        <div id="result">
+        </div>
+    </body>
+</html>
diff --git a/cmd/mist/assets/ext/ethereum.js/example/natspec_contract.html b/cmd/mist/assets/ext/ethereum.js/example/natspec_contract.html
index 40561a27c..212e582dc 100644
--- a/cmd/mist/assets/ext/ethereum.js/example/natspec_contract.html
+++ b/cmd/mist/assets/ext/ethereum.js/example/natspec_contract.html
@@ -21,6 +21,7 @@
     // contract description, this will be autogenerated somehow
     var desc =  [{
         "name": "multiply(uint256)",
+        "type": "function",
         "inputs": [
         {
             "name": "a",
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/abi.js b/cmd/mist/assets/ext/ethereum.js/lib/abi.js
index ba47dca73..1a92bf5e6 100644
--- a/cmd/mist/assets/ext/ethereum.js/lib/abi.js
+++ b/cmd/mist/assets/ext/ethereum.js/lib/abi.js
@@ -21,175 +21,57 @@
  * @date 2014
  */
 
-// TODO: is these line is supposed to be here? 
-if (process.env.NODE_ENV !== 'build') {
-    var BigNumber = require('bignumber.js'); // jshint ignore:line
-}
-
-var web3 = require('./web3'); // jshint ignore:line
-
-BigNumber.config({ ROUNDING_MODE: BigNumber.ROUND_DOWN });
-
-var ETH_PADDING = 32;
-
-/// method signature length in bytes
-var ETH_METHOD_SIGNATURE_LENGTH = 4;
-
-/// Finds first index of array element matching pattern
-/// @param array
-/// @param callback pattern
-/// @returns index of element
-var findIndex = function (array, callback) {
-    var end = false;
-    var i = 0;
-    for (; i < array.length && !end; i++) {
-        end = callback(array[i]);
-    }
-    return end ? i - 1 : -1;
-};
-
-/// @returns a function that is used as a pattern for 'findIndex'
-var findMethodIndex = function (json, methodName) {
-    return findIndex(json, function (method) {
-        return method.name === methodName;
-    });
-};
-
-/// @returns method with given method name
-var getMethodWithName = function (json, methodName) {
-    var index = findMethodIndex(json, methodName);
-    if (index === -1) {
-        console.error('method ' + methodName + ' not found in the abi');
-        return undefined;
-    }
-    return json[index];
-};
+var web3 = require('./web3'); 
+var utils = require('./utils');
+var types = require('./types');
+var c = require('./const');
+var f = require('./formatters');
 
-/// @param string string to be padded
-/// @param number of characters that result string should have
-/// @param sign, by default 0
-/// @returns right aligned string
-var padLeft = function (string, chars, sign) {
-    return new Array(chars - string.length + 1).join(sign ? sign : "0") + string;
-};
-
-/// @param expected type prefix (string)
-/// @returns function which checks if type has matching prefix. if yes, returns true, otherwise false
-var prefixedType = function (prefix) {
-    return function (type) {
-        return type.indexOf(prefix) === 0;
-    };
-};
-
-/// @param expected type name (string)
-/// @returns function which checks if type is matching expected one. if yes, returns true, otherwise false
-var namedType = function (name) {
-    return function (type) {
-        return name === type;
-    };
+var displayTypeError = function (type) {
+    console.error('parser does not support type: ' + type);
 };
 
+/// This method should be called if we want to check if givent type is an array type
+/// @returns true if it is, otherwise false
 var arrayType = function (type) {
     return type.slice(-2) === '[]';
 };
 
-/// Formats input value to byte representation of int
-/// If value is negative, return it's two's complement
-/// If the value is floating point, round it down
-/// @returns right-aligned byte representation of int
-var formatInputInt = function (value) {
-    var padding = ETH_PADDING * 2;
-    if (value instanceof BigNumber || typeof value === 'number') {
-        if (typeof value === 'number')
-            value = new BigNumber(value);
-        value = value.round();
-
-        if (value.lessThan(0)) 
-            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
-        value = (+value).toString(16);
-    return padLeft(value, padding);
-};
-
-/// Formats input value to byte representation of string
-/// @returns left-algined byte representation of string
-var formatInputString = function (value) {
-    return web3.fromAscii(value, ETH_PADDING).substr(2);
-};
-
-/// Formats input value to byte representation of bool
-/// @returns right-aligned byte representation bool
-var formatInputBool = function (value) {
-    return '000000000000000000000000000000000000000000000000000000000000000' + (value ?  '1' : '0');
-};
-
-/// Formats input value to byte representation of real
-/// Values are multiplied by 2^m and encoded as integers
-/// @returns byte representation of real
-var formatInputReal = function (value) {
-    return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128))); 
-};
-
 var dynamicTypeBytes = function (type, value) {
     // TODO: decide what to do with array of strings
     if (arrayType(type) || type === 'string')    // only string itself that is dynamic; stringX is static length.
-        return formatInputInt(value.length); 
+        return f.formatInputInt(value.length); 
     return "";
 };
 
-/// Setups input formatters for solidity types
-/// @returns an array of input formatters 
-var setupInputTypes = function () {
-    
-    return [
-        { type: prefixedType('uint'), format: formatInputInt },
-        { type: prefixedType('int'), format: formatInputInt },
-        { type: prefixedType('hash'), format: formatInputInt },
-        { type: prefixedType('string'), format: formatInputString }, 
-        { type: prefixedType('real'), format: formatInputReal },
-        { type: prefixedType('ureal'), format: formatInputReal },
-        { type: namedType('address'), format: formatInputInt },
-        { type: namedType('bool'), format: formatInputBool }
-    ];
-};
-
-var inputTypes = setupInputTypes();
+var inputTypes = types.inputTypes(); 
 
 /// Formats input params to bytes
-/// @param contract json abi
-/// @param name of the method that we want to use
+/// @param abi contract method inputs
 /// @param array of params that will be formatted to bytes
 /// @returns bytes representation of input params
-var toAbiInput = function (json, methodName, params) {
+var formatInput = function (inputs, params) {
     var bytes = "";
-
-    var method = getMethodWithName(json, methodName);
-    var padding = ETH_PADDING * 2;
+    var padding = c.ETH_PADDING * 2;
 
     /// first we iterate in search for dynamic 
-    method.inputs.forEach(function (input, index) {
+    inputs.forEach(function (input, index) {
         bytes += dynamicTypeBytes(input.type, params[index]);
     });
 
-    method.inputs.forEach(function (input, i) {
+    inputs.forEach(function (input, i) {
         var typeMatch = false;
         for (var j = 0; j < inputTypes.length && !typeMatch; j++) {
-            typeMatch = inputTypes[j].type(method.inputs[i].type, params[i]);
+            typeMatch = inputTypes[j].type(inputs[i].type, params[i]);
         }
         if (!typeMatch) {
-            console.error('input parser does not support type: ' + method.inputs[i].type);
+            displayTypeError(inputs[i].type);
         }
 
         var formatter = inputTypes[j - 1].format;
         var toAppend = "";
 
-        if (arrayType(method.inputs[i].type))
+        if (arrayType(inputs[i].type))
             toAppend = params[i].reduce(function (acc, curr) {
                 return acc + formatter(curr);
             }, "");
@@ -201,118 +83,44 @@ var toAbiInput = function (json, methodName, params) {
     return bytes;
 };
 
-/// Check if input value is negative
-/// @param value is hex format
-/// @returns true if it is negative, otherwise false
-var signedIsNegative = function (value) {
-    return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';
-};
-
-/// Formats input right-aligned input bytes to int
-/// @returns right-aligned input bytes formatted to int
-var formatOutputInt = function (value) {
-    value = value || "0";
-    // check if it's negative number
-    // it it is, return two's complement
-    if (signedIsNegative(value)) {
-        return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);
-    }
-    return new BigNumber(value, 16);
-};
-
-/// Formats big right-aligned input bytes to uint
-/// @returns right-aligned input bytes formatted to uint
-var formatOutputUInt = function (value) {
-    value = value || "0";
-    return new BigNumber(value, 16);
-};
-
-/// @returns input bytes formatted to real
-var formatOutputReal = function (value) {
-    return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128)); 
-};
-
-/// @returns input bytes formatted to ureal
-var formatOutputUReal = function (value) {
-    return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128)); 
-};
-
-/// @returns right-aligned input bytes formatted to hex
-var formatOutputHash = function (value) {
-    return "0x" + value;
-};
-
-/// @returns right-aligned input bytes formatted to bool
-var formatOutputBool = function (value) {
-    return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;
-};
-
-/// @returns left-aligned input bytes formatted to ascii string
-var formatOutputString = function (value) {
-    return web3.toAscii(value);
-};
-
-/// @returns right-aligned input bytes formatted to address
-var formatOutputAddress = function (value) {
-    return "0x" + value.slice(value.length - 40, value.length);
-};
-
 var dynamicBytesLength = function (type) {
     if (arrayType(type) || type === 'string')   // only string itself that is dynamic; stringX is static length.
-        return ETH_PADDING * 2;
+        return c.ETH_PADDING * 2;
     return 0;
 };
 
-/// Setups output formaters for solidity types
-/// @returns an array of output formatters
-var setupOutputTypes = function () {
-
-    return [
-        { type: prefixedType('uint'), format: formatOutputUInt },
-        { type: prefixedType('int'), format: formatOutputInt },
-        { type: prefixedType('hash'), format: formatOutputHash },
-        { type: prefixedType('string'), format: formatOutputString },
-        { type: prefixedType('real'), format: formatOutputReal },
-        { type: prefixedType('ureal'), format: formatOutputUReal },
-        { type: namedType('address'), format: formatOutputAddress },
-        { type: namedType('bool'), format: formatOutputBool }
-    ];
-};
-
-var outputTypes = setupOutputTypes();
+var outputTypes = types.outputTypes(); 
 
 /// Formats output bytes back to param list
-/// @param contract json abi
-/// @param name of the method that we want to use
+/// @param contract abi method outputs
 /// @param bytes representtion of output 
 /// @returns array of output params 
-var fromAbiOutput = function (json, methodName, output) {
+var formatOutput = function (outs, output) {
     
     output = output.slice(2);
     var result = [];
-    var method = getMethodWithName(json, methodName);
-    var padding = ETH_PADDING * 2;
+    var padding = c.ETH_PADDING * 2;
 
-    var dynamicPartLength = method.outputs.reduce(function (acc, curr) {
+    var dynamicPartLength = outs.reduce(function (acc, curr) {
         return acc + dynamicBytesLength(curr.type);
     }, 0);
     
     var dynamicPart = output.slice(0, dynamicPartLength);
     output = output.slice(dynamicPartLength);
 
-    method.outputs.forEach(function (out, i) {
+    outs.forEach(function (out, i) {
         var typeMatch = false;
         for (var j = 0; j < outputTypes.length && !typeMatch; j++) {
-            typeMatch = outputTypes[j].type(method.outputs[i].type);
+            typeMatch = outputTypes[j].type(outs[i].type);
         }
 
         if (!typeMatch) {
-            console.error('output parser does not support type: ' + method.outputs[i].type);
+            displayTypeError(outs[i].type);
         }
 
         var formatter = outputTypes[j - 1].format;
-        if (arrayType(method.outputs[i].type)) {
-            var size = formatOutputUInt(dynamicPart.slice(0, padding));
+        if (arrayType(outs[i].type)) {
+            var size = f.formatOutputUInt(dynamicPart.slice(0, padding));
             dynamicPart = dynamicPart.slice(padding);
             var array = [];
             for (var k = 0; k < size; k++) {
@@ -321,7 +129,7 @@ var fromAbiOutput = function (json, methodName, output) {
             }
             result.push(array);
         }
-        else if (prefixedType('string')(method.outputs[i].type)) {
+        else if (types.prefixedType('string')(outs[i].type)) {
             dynamicPart = dynamicPart.slice(padding); 
             result.push(formatter(output.slice(0, padding)));
             output = output.slice(padding);
@@ -334,30 +142,18 @@ var fromAbiOutput = function (json, methodName, output) {
     return result;
 };
 
-/// @returns display name for method eg. multiply(uint256) -> multiply
-var methodDisplayName = function (method) {
-    var length = method.indexOf('('); 
-    return length !== -1 ? method.substr(0, length) : method;
-};
-
-/// @returns overloaded part of method's name
-var methodTypeName = function (method) {
-    /// TODO: make it not vulnerable
-    var length = method.indexOf('(');
-    return length !== -1 ? method.substr(length + 1, method.length - 1 - (length + 1)) : "";
-};
-
 /// @param json abi for contract
 /// @returns input parser object for given json abi
+/// TODO: refactor creating the parser, do not double logic from contract
 var inputParser = function (json) {
     var parser = {};
     json.forEach(function (method) {
-        var displayName = methodDisplayName(method.name); 
-        var typeName = methodTypeName(method.name);
+        var displayName = utils.extractDisplayName(method.name); 
+        var typeName = utils.extractTypeName(method.name);
 
         var impl = function () {
             var params = Array.prototype.slice.call(arguments);
-            return toAbiInput(json, method.name, params);
+            return formatInput(method.inputs, params);
         };
        
         if (parser[displayName] === undefined) {
@@ -376,11 +172,11 @@ var outputParser = function (json) {
     var parser = {};
     json.forEach(function (method) {
 
-        var displayName = methodDisplayName(method.name); 
-        var typeName = methodTypeName(method.name);
+        var displayName = utils.extractDisplayName(method.name); 
+        var typeName = utils.extractTypeName(method.name);
 
         var impl = function (output) {
-            return fromAbiOutput(json, method.name, output);
+            return formatOutput(method.outputs, output);
         };
 
         if (parser[displayName] === undefined) {
@@ -393,18 +189,22 @@ var outputParser = function (json) {
     return parser;
 };
 
-/// @param method name for which we want to get method signature
-/// @returns (promise) contract method signature for method with given name
-var methodSignature = function (name) {
-    return web3.sha3(web3.fromAscii(name)).slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2);
+/// @param function/event name for which we want to get signature
+/// @returns signature of function/event with given name
+var signatureFromAscii = function (name) {
+    return web3.sha3(web3.fromAscii(name)).slice(0, 2 + c.ETH_SIGNATURE_LENGTH * 2);
+};
+
+var eventSignatureFromAscii = function (name) {
+    return web3.sha3(web3.fromAscii(name));
 };
 
 module.exports = {
     inputParser: inputParser,
     outputParser: outputParser,
-    methodSignature: methodSignature,
-    methodDisplayName: methodDisplayName,
-    methodTypeName: methodTypeName,
-    getMethodWithName: getMethodWithName
+    formatInput: formatInput,
+    formatOutput: formatOutput,
+    signatureFromAscii: signatureFromAscii,
+    eventSignatureFromAscii: eventSignatureFromAscii
 };
 
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/const.js b/cmd/mist/assets/ext/ethereum.js/lib/const.js
new file mode 100644
index 000000000..8a17b794d
--- /dev/null
+++ b/cmd/mist/assets/ext/ethereum.js/lib/const.js
@@ -0,0 +1,56 @@
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file const.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+/// required to define ETH_BIGNUMBER_ROUNDING_MODE
+if (process.env.NODE_ENV !== 'build') {
+    var BigNumber = require('bignumber.js'); // jshint ignore:line
+}
+
+var ETH_UNITS = [ 
+    'wei', 
+    'Kwei', 
+    'Mwei', 
+    'Gwei', 
+    'szabo', 
+    'finney', 
+    'ether', 
+    'grand', 
+    'Mether', 
+    'Gether', 
+    'Tether', 
+    'Pether', 
+    'Eether', 
+    'Zether', 
+    'Yether', 
+    'Nether', 
+    'Dether', 
+    'Vether', 
+    'Uether' 
+];
+
+module.exports = {
+    ETH_PADDING: 32,
+    ETH_SIGNATURE_LENGTH: 4,
+    ETH_UNITS: ETH_UNITS,
+    ETH_BIGNUMBER_ROUNDING_MODE: { ROUNDING_MODE: BigNumber.ROUND_DOWN }
+};
+
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/contract.js b/cmd/mist/assets/ext/ethereum.js/lib/contract.js
index e71734d0b..a0525bd9d 100644
--- a/cmd/mist/assets/ext/ethereum.js/lib/contract.js
+++ b/cmd/mist/assets/ext/ethereum.js/lib/contract.js
@@ -20,98 +20,78 @@
  * @date 2014
  */
 
-var web3 = require('./web3'); // jshint ignore:line
+var web3 = require('./web3'); 
 var abi = require('./abi');
+var utils = require('./utils');
+var eventImpl = require('./event');
+
+var exportNatspecGlobals = function (vars) {
+    // it's used byt natspec.js
+    // TODO: figure out better way to solve this
+    web3._currentContractAbi = vars.abi;
+    web3._currentContractAddress = vars.address;
+    web3._currentContractMethodName = vars.method;
+    web3._currentContractMethodParams = vars.params;
+};
 
-/**
- * This method should be called when we want to call / transact some solidity method from javascript
- * it returns an object which has same methods available as solidity contract description
- * usage example: 
- *
- * var abi = [{
- *      name: 'myMethod',
- *      inputs: [{ name: 'a', type: 'string' }],
- *      outputs: [{name: 'd', type: 'string' }]
- * }];  // contract abi
- *
- * var myContract = web3.eth.contract('0x0123123121', abi); // creation of contract object
- *
- * myContract.myMethod('this is test string param for call'); // myMethod call (implicit, default)
- * myContract.call().myMethod('this is test string param for call'); // myMethod call (explicit)
- * myContract.transact().myMethod('this is test string param for transact'); // myMethod transact
- *
- * @param address - address of the contract, which should be called
- * @param desc - abi json description of the contract, which is being created
- * @returns contract object
- */
-
-var contract = function (address, desc) {
-
-    desc.forEach(function (method) {
-        // workaround for invalid assumption that method.name is the full anonymous prototype of the method.
-        // it's not. it's just the name. the rest of the code assumes it's actually the anonymous
-        // prototype, so we make it so as a workaround.
-        if (method.name.indexOf('(') === -1) {
-            var displayName = method.name;
-            var typeName = method.inputs.map(function(i){return i.type; }).join();
-            method.name = displayName + '(' + typeName + ')';
-        }
-    });
-
-    var inputParser = abi.inputParser(desc);
-    var outputParser = abi.outputParser(desc);
-
-    var result = {};
-
-    result.call = function (options) {
-        result._isTransact = false;
-        result._options = options;
-        return result;
+var addFunctionRelatedPropertiesToContract = function (contract) {
+    
+    contract.call = function (options) {
+        contract._isTransact = false;
+        contract._options = options;
+        return contract;
     };
 
-    result.transact = function (options) {
-        result._isTransact = true;
-        result._options = options;
-        return result;
+    contract.transact = function (options) {
+        contract._isTransact = true;
+        contract._options = options;
+        return contract;
     };
 
-    result._options = {};
+    contract._options = {};
     ['gas', 'gasPrice', 'value', 'from'].forEach(function(p) {
-        result[p] = function (v) {
-            result._options[p] = v;
-            return result;
+        contract[p] = function (v) {
+            contract._options[p] = v;
+            return contract;
         };
     });
 
+};
 
-    desc.forEach(function (method) {
+var addFunctionsToContract = function (contract, desc, address) {
+    var inputParser = abi.inputParser(desc);
+    var outputParser = abi.outputParser(desc);
 
-        var displayName = abi.methodDisplayName(method.name);
-        var typeName = abi.methodTypeName(method.name);
+    // create contract functions
+    utils.filterFunctions(desc).forEach(function (method) {
+
+        var displayName = utils.extractDisplayName(method.name);
+        var typeName = utils.extractTypeName(method.name);
 
         var impl = function () {
             var params = Array.prototype.slice.call(arguments);
-            var signature = abi.methodSignature(method.name);
+            var signature = abi.signatureFromAscii(method.name);
             var parsed = inputParser[displayName][typeName].apply(null, params);
 
-            var options = result._options || {};
+            var options = contract._options || {};
             options.to = address;
             options.data = signature + parsed;
             
-            var isTransact = result._isTransact === true || (result._isTransact !== false && !method.constant);
+            var isTransact = contract._isTransact === true || (contract._isTransact !== false && !method.constant);
             var collapse = options.collapse !== false;
             
             // reset
-            result._options = {};
-            result._isTransact = null;
+            contract._options = {};
+            contract._isTransact = null;
 
             if (isTransact) {
-                // it's used byt natspec.js
-                // TODO: figure out better way to solve this
-                web3._currentContractAbi = desc;
-                web3._currentContractAddress = address;
-                web3._currentContractMethodName = method.name;
-                web3._currentContractMethodParams = params;
+                
+                exportNatspecGlobals({
+                    abi: desc,
+                    address: address,
+                    method: method.name,
+                    params: params
+                });
 
                 // transactions do not have any output, cause we do not know, when they will be processed
                 web3.eth.transact(options);
@@ -130,14 +110,106 @@ var contract = function (address, desc) {
             return ret;
         };
 
-        if (result[displayName] === undefined) {
-            result[displayName] = impl;
+        if (contract[displayName] === undefined) {
+            contract[displayName] = impl;
+        }
+
+        contract[displayName][typeName] = impl;
+    });
+};
+
+var addEventRelatedPropertiesToContract = function (contract, desc, address) {
+    contract.address = address;
+    contract._onWatchEventResult = function (data) {
+        var matchingEvent = event.getMatchingEvent(utils.filterEvents(desc));
+        var parser = eventImpl.outputParser(matchingEvent);
+        return parser(data);
+    };
+    
+    Object.defineProperty(contract, 'topic', {
+        get: function() {
+            return utils.filterEvents(desc).map(function (e) {
+                return abi.eventSignatureFromAscii(e.name);
+            });
+        }
+    });
+
+};
+
+var addEventsToContract = function (contract, desc, address) {
+    // create contract events
+    utils.filterEvents(desc).forEach(function (e) {
+
+        var impl = function () {
+            var params = Array.prototype.slice.call(arguments);
+            var signature = abi.eventSignatureFromAscii(e.name);
+            var event = eventImpl.inputParser(address, signature, e);
+            var o = event.apply(null, params);
+            o._onWatchEventResult = function (data) {
+                var parser = eventImpl.outputParser(e);
+                return parser(data);
+            };
+            return web3.eth.watch(o);  
+        };
+        
+        // this property should be used by eth.filter to check if object is an event
+        impl._isEvent = true;
+
+        var displayName = utils.extractDisplayName(e.name);
+        var typeName = utils.extractTypeName(e.name);
+
+        if (contract[displayName] === undefined) {
+            contract[displayName] = impl;
         }
 
-        result[displayName][typeName] = impl;
+        contract[displayName][typeName] = impl;
+
+    });
+};
+
+
+/**
+ * This method should be called when we want to call / transact some solidity method from javascript
+ * it returns an object which has same methods available as solidity contract description
+ * usage example: 
+ *
+ * var abi = [{
+ *      name: 'myMethod',
+ *      inputs: [{ name: 'a', type: 'string' }],
+ *      outputs: [{name: 'd', type: 'string' }]
+ * }];  // contract abi
+ *
+ * var myContract = web3.eth.contract('0x0123123121', abi); // creation of contract object
+ *
+ * myContract.myMethod('this is test string param for call'); // myMethod call (implicit, default)
+ * myContract.call().myMethod('this is test string param for call'); // myMethod call (explicit)
+ * myContract.transact().myMethod('this is test string param for transact'); // myMethod transact
+ *
+ * @param address - address of the contract, which should be called
+ * @param desc - abi json description of the contract, which is being created
+ * @returns contract object
+ */
+
+var contract = function (address, desc) {
 
+    // workaround for invalid assumption that method.name is the full anonymous prototype of the method.
+    // it's not. it's just the name. the rest of the code assumes it's actually the anonymous
+    // prototype, so we make it so as a workaround.
+    // TODO: we may not want to modify input params, maybe use copy instead?
+    desc.forEach(function (method) {
+        if (method.name.indexOf('(') === -1) {
+            var displayName = method.name;
+            var typeName = method.inputs.map(function(i){return i.type; }).join();
+            method.name = displayName + '(' + typeName + ')';
+        }
     });
 
+    var result = {};
+    addFunctionRelatedPropertiesToContract(result);
+    addFunctionsToContract(result, desc, address);
+    addEventRelatedPropertiesToContract(result, desc, address);
+    addEventsToContract(result, desc, address);
+
     return result;
 };
 
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/event.js b/cmd/mist/assets/ext/ethereum.js/lib/event.js
new file mode 100644
index 000000000..0c41e0a39
--- /dev/null
+++ b/cmd/mist/assets/ext/ethereum.js/lib/event.js
@@ -0,0 +1,135 @@
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file event.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2014
+ */
+
+var abi = require('./abi');
+var utils = require('./utils');
+
+/// filter inputs array && returns only indexed (or not) inputs
+/// @param inputs array
+/// @param bool if result should be an array of indexed params on not
+/// @returns array of (not?) indexed params
+var filterInputs = function (inputs, indexed) {
+    return inputs.filter(function (current) {
+        return current.indexed === indexed;
+    });
+};
+
+var inputWithName = function (inputs, name) {
+    var index = utils.findIndex(inputs, function (input) {
+        return input.name === name;
+    });
+    
+    if (index === -1) {
+        console.error('indexed param with name ' + name + ' not found');
+        return undefined;
+    }
+    return inputs[index];
+};
+
+var indexedParamsToTopics = function (event, indexed) {
+    // sort keys?
+    return Object.keys(indexed).map(function (key) {
+        var inputs = [inputWithName(filterInputs(event.inputs, true), key)];
+
+        var value = indexed[key];
+        if (value instanceof Array) {
+            return value.map(function (v) {
+                return abi.formatInput(inputs, [v]);
+            }); 
+        }
+        return abi.formatInput(inputs, [value]);
+    });
+};
+
+var inputParser = function (address, signature, event) {
+    
+    // valid options are 'earliest', 'latest', 'offset' and 'max', as defined for 'eth.watch'
+    return function (indexed, options) {
+        var o = options || {};
+        o.address = address;
+        o.topic = [];
+        o.topic.push(signature);
+        if (indexed) {
+            o.topic = o.topic.concat(indexedParamsToTopics(event, indexed));
+        }
+        return o;
+    };
+};
+
+var getArgumentsObject = function (inputs, indexed, notIndexed) {
+    var indexedCopy = indexed.slice();
+    var notIndexedCopy = notIndexed.slice();
+    return inputs.reduce(function (acc, current) {
+        var value;
+        if (current.indexed)
+            value = indexed.splice(0, 1)[0];
+        else
+            value = notIndexed.splice(0, 1)[0];
+
+        acc[current.name] = value;
+        return acc;
+    }, {}); 
+};
+ 
+var outputParser = function (event) {
+    
+    return function (output) {
+        var result = {
+            event: utils.extractDisplayName(event.name),
+            number: output.number,
+            args: {}
+        };
+
+        if (!output.topic) {
+            return result;
+        }
+       
+        var indexedOutputs = filterInputs(event.inputs, true);
+        var indexedData = "0x" + output.topic.slice(1, output.topic.length).map(function (topic) { return topic.slice(2); }).join("");
+        var indexedRes = abi.formatOutput(indexedOutputs, indexedData);
+
+        var notIndexedOutputs = filterInputs(event.inputs, false);
+        var notIndexedRes = abi.formatOutput(notIndexedOutputs, output.data);
+
+        result.args = getArgumentsObject(event.inputs, indexedRes, notIndexedRes);
+
+        return result;
+    };
+};
+
+var getMatchingEvent = function (events, payload) {
+    for (var i = 0; i < events.length; i++) {
+        var signature = abi.eventSignatureFromAscii(events[i].name); 
+        if (signature === payload.topic[0]) {
+            return events[i];
+        }
+    }
+    return undefined;
+};
+
+
+module.exports = {
+    inputParser: inputParser,
+    outputParser: outputParser,
+    getMatchingEvent: getMatchingEvent
+};
+
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/filter.js b/cmd/mist/assets/ext/ethereum.js/lib/filter.js
index d93064b58..6ab2b7edc 100644
--- a/cmd/mist/assets/ext/ethereum.js/lib/filter.js
+++ b/cmd/mist/assets/ext/ethereum.js/lib/filter.js
@@ -27,18 +27,45 @@ var web3 = require('./web3'); // jshint ignore:line
 
 /// should be used when we want to watch something
 /// it's using inner polling mechanism and is notified about changes
+/// TODO: change 'options' name cause it may be not the best matching one, since we have events
 var Filter = function(options, impl) {
+
+    if (typeof options !== "string") {
+
+        // topics property is deprecated, warn about it!
+        if (options.topics) {
+            console.warn('"topics" is deprecated, use "topic" instead');
+        }
+        
+        this._onWatchResult = options._onWatchEventResult;
+
+        // evaluate lazy properties
+        options = {
+            to: options.to,
+            topic: options.topic,
+            earliest: options.earliest,
+            latest: options.latest,
+            max: options.max,
+            skip: options.skip,
+            address: options.address
+        };
+
+    }
+    
     this.impl = impl;
     this.callbacks = [];
 
     this.id = impl.newFilter(options);
-    web3.provider.startPolling({call: impl.changed, args: [this.id]}, this.id, this.trigger.bind(this));
+    web3.provider.startPolling({method: impl.changed, params: [this.id]}, this.id, this.trigger.bind(this));
 };
 
 /// alias for changed*
 Filter.prototype.arrived = function(callback) {
     this.changed(callback);
 };
+Filter.prototype.happened = function(callback) {
+    this.changed(callback);
+};
 
 /// gets called when there is new eth/shh message
 Filter.prototype.changed = function(callback) {
@@ -49,7 +76,8 @@ Filter.prototype.changed = function(callback) {
 Filter.prototype.trigger = function(messages) {
     for (var i = 0; i < this.callbacks.length; i++) {
         for (var j = 0; j < messages.length; j++) {
-            this.callbacks[i].call(this, messages[j]);
+            var message = this._onWatchResult ? this._onWatchResult(messages[j]) : messages[j];
+            this.callbacks[i].call(this, message);
         }
     }
 };
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/formatters.js b/cmd/mist/assets/ext/ethereum.js/lib/formatters.js
new file mode 100644
index 000000000..857a01a40
--- /dev/null
+++ b/cmd/mist/assets/ext/ethereum.js/lib/formatters.js
@@ -0,0 +1,154 @@
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file formatters.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+if (process.env.NODE_ENV !== 'build') {
+    var BigNumber = require('bignumber.js'); // jshint ignore:line
+}
+
+var utils = require('./utils');
+var c = require('./const');
+
+/// @param string string to be padded
+/// @param number of characters that result string should have
+/// @param sign, by default 0
+/// @returns right aligned string
+var padLeft = function (string, chars, sign) {
+    return new Array(chars - string.length + 1).join(sign ? sign : "0") + string;
+};
+
+/// Formats input value to byte representation of int
+/// If value is negative, return it's two's complement
+/// If the value is floating point, round it down
+/// @returns right-aligned byte representation of int
+var formatInputInt = function (value) {
+    var padding = c.ETH_PADDING * 2;
+    if (value instanceof BigNumber || typeof value === 'number') {
+        if (typeof value === 'number')
+            value = new BigNumber(value);
+        BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE);
+        value = value.round();
+
+        if (value.lessThan(0)) 
+            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
+        value = (+value).toString(16);
+    return padLeft(value, padding);
+};
+
+/// Formats input value to byte representation of string
+/// @returns left-algined byte representation of string
+var formatInputString = function (value) {
+    return utils.fromAscii(value, c.ETH_PADDING).substr(2);
+};
+
+/// Formats input value to byte representation of bool
+/// @returns right-aligned byte representation bool
+var formatInputBool = function (value) {
+    return '000000000000000000000000000000000000000000000000000000000000000' + (value ?  '1' : '0');
+};
+
+/// Formats input value to byte representation of real
+/// Values are multiplied by 2^m and encoded as integers
+/// @returns byte representation of real
+var formatInputReal = function (value) {
+    return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128))); 
+};
+
+
+/// Check if input value is negative
+/// @param value is hex format
+/// @returns true if it is negative, otherwise false
+var signedIsNegative = function (value) {
+    return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';
+};
+
+/// Formats input right-aligned input bytes to int
+/// @returns right-aligned input bytes formatted to int
+var formatOutputInt = function (value) {
+    value = value || "0";
+    // check if it's negative number
+    // it it is, return two's complement
+    if (signedIsNegative(value)) {
+        return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);
+    }
+    return new BigNumber(value, 16);
+};
+
+/// Formats big right-aligned input bytes to uint
+/// @returns right-aligned input bytes formatted to uint
+var formatOutputUInt = function (value) {
+    value = value || "0";
+    return new BigNumber(value, 16);
+};
+
+/// @returns input bytes formatted to real
+var formatOutputReal = function (value) {
+    return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128)); 
+};
+
+/// @returns input bytes formatted to ureal
+var formatOutputUReal = function (value) {
+    return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128)); 
+};
+
+/// @returns right-aligned input bytes formatted to hex
+var formatOutputHash = function (value) {
+    return "0x" + value;
+};
+
+/// @returns right-aligned input bytes formatted to bool
+var formatOutputBool = function (value) {
+    return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;
+};
+
+/// @returns left-aligned input bytes formatted to ascii string
+var formatOutputString = function (value) {
+    return utils.toAscii(value);
+};
+
+/// @returns right-aligned input bytes formatted to address
+var formatOutputAddress = function (value) {
+    return "0x" + value.slice(value.length - 40, value.length);
+};
+
+
+module.exports = {
+    formatInputInt: formatInputInt,
+    formatInputString: formatInputString,
+    formatInputBool: formatInputBool,
+    formatInputReal: formatInputReal,
+    formatOutputInt: formatOutputInt,
+    formatOutputUInt: formatOutputUInt,
+    formatOutputReal: formatOutputReal,
+    formatOutputUReal: formatOutputUReal,
+    formatOutputHash: formatOutputHash,
+    formatOutputBool: formatOutputBool,
+    formatOutputString: formatOutputString,
+    formatOutputAddress: formatOutputAddress
+};
+
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/httpsync.js b/cmd/mist/assets/ext/ethereum.js/lib/httpsync.js
index a638cfe94..06e410ca8 100644
--- a/cmd/mist/assets/ext/ethereum.js/lib/httpsync.js
+++ b/cmd/mist/assets/ext/ethereum.js/lib/httpsync.js
@@ -30,40 +30,16 @@ var HttpSyncProvider = function (host) {
     this.host = host || 'http://localhost:8080';
 };
 
-/// Transforms inner message to proper jsonrpc object
-/// @param inner message object
-/// @returns jsonrpc object
-function formatJsonRpcObject(object) {
-    return {
-        jsonrpc: '2.0',
-        method: object.call,
-        params: object.args,
-        id: object._id
-    };
-}
-
-/// Transforms jsonrpc object to inner message
-/// @param incoming jsonrpc message 
-/// @returns inner message object
-function formatJsonRpcMessage(message) {
-    var object = JSON.parse(message);
-
-    return {
-        _id: object.id,
-        data: object.result,
-        error: object.error
-    };
-}
-
 HttpSyncProvider.prototype.send = function (payload) {
-    var data = formatJsonRpcObject(payload);
+    //var data = formatJsonRpcObject(payload);
     
     var request = new XMLHttpRequest();
     request.open('POST', this.host, false);
-    request.send(JSON.stringify(data));
+    request.send(JSON.stringify(payload));
     
     // check request.status
-    return request.responseText;
+    var result = request.responseText;
+    return JSON.parse(result);
 };
 
 module.exports = HttpSyncProvider;
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/jsonrpc.js b/cmd/mist/assets/ext/ethereum.js/lib/jsonrpc.js
new file mode 100644
index 000000000..b2d6922c0
--- /dev/null
+++ b/cmd/mist/assets/ext/ethereum.js/lib/jsonrpc.js
@@ -0,0 +1,65 @@
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file jsonrpc.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+var messageId = 1;
+
+/// Should be called to valid json create payload object
+/// @param method of jsonrpc call, required
+/// @param params, an array of method params, optional
+/// @returns valid jsonrpc payload object
+var toPayload = function (method, params) {
+    if (!method)
+        console.error('jsonrpc method should be specified!');
+
+    return {
+        jsonrpc: '2.0',
+        method: method,
+        params: params || [],
+        id: messageId++
+    }; 
+};
+
+/// Should be called to check if jsonrpc response is valid
+/// @returns true if response is valid, otherwise false 
+var isValidResponse = function (response) {
+    return !!response &&
+        !response.error &&
+        response.jsonrpc === '2.0' &&
+        typeof response.id === 'number' &&
+        response.result !== undefined; // only undefined is not valid json object
+};
+
+/// Should be called to create batch payload object
+/// @param messages, an array of objects with method (required) and params (optional) fields
+var toBatchPayload = function (messages) {
+    return messages.map(function (message) {
+        return toPayload(message.method, message.params);
+    }); 
+};
+
+module.exports = {
+    toPayload: toPayload,
+    isValidResponse: isValidResponse,
+    toBatchPayload: toBatchPayload
+};
+
+
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/providermanager.js b/cmd/mist/assets/ext/ethereum.js/lib/providermanager.js
index 25cd14288..55f166bcd 100644
--- a/cmd/mist/assets/ext/ethereum.js/lib/providermanager.js
+++ b/cmd/mist/assets/ext/ethereum.js/lib/providermanager.js
@@ -23,7 +23,9 @@
  * @date 2014
  */
 
-var web3 = require('./web3'); // jshint ignore:line
+var web3 = require('./web3'); 
+var jsonrpc = require('./jsonrpc');
+
 
 /**
  * Provider manager object prototype
@@ -37,25 +39,35 @@ var web3 = require('./web3'); // jshint ignore:line
 var ProviderManager = function() {
     this.polls = [];
     this.provider = undefined;
-    this.id = 1;
 
     var self = this;
     var poll = function () {
         if (self.provider) {
-            self.polls.forEach(function (data) {
-                data.data._id = self.id;
-                self.id++;
-                var result = self.provider.send(data.data);
-            
-                result = JSON.parse(result);
+            var pollsBatch = self.polls.map(function (data) {
+                return data.data;
+            });
+
+            var payload = jsonrpc.toBatchPayload(pollsBatch);
+            var results = self.provider.send(payload);
+
+            self.polls.forEach(function (data, index) {
+                var result = results[index];
                 
+                if (!jsonrpc.isValidResponse(result)) {
+                    console.log(result);
+                    return;
+                }
+
+                result = result.result;
                 // dont call the callback if result is not an array, or empty one
-                if (result.error || !(result.result instanceof Array) || result.result.length === 0) {
+                if (!(result instanceof Array) || result.length === 0) {
                     return;
                 }
 
-                data.callback(result.result);
+                data.callback(result);
+
             });
+
         }
         setTimeout(poll, 1000);
     };
@@ -63,22 +75,19 @@ var ProviderManager = function() {
 };
 
 /// sends outgoing requests
+/// @params data - an object with at least 'method' property
 ProviderManager.prototype.send = function(data) {
-
-    data.args = data.args || [];
-    data._id = this.id++;
+    var payload = jsonrpc.toPayload(data.method, data.params);
 
     if (this.provider === undefined) {
         console.error('provider is not set');
         return null; 
     }
 
-    //TODO: handle error here? 
-    var result = this.provider.send(data);
-    result = JSON.parse(result);
+    var result = this.provider.send(payload);
 
-    if (result.error) {
-        console.log(result.error);
+    if (!jsonrpc.isValidResponse(result)) {
+        console.log(result);
         return null;
     }
 
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/qtsync.js b/cmd/mist/assets/ext/ethereum.js/lib/qtsync.js
index a287a7172..75dcb43ab 100644
--- a/cmd/mist/assets/ext/ethereum.js/lib/qtsync.js
+++ b/cmd/mist/assets/ext/ethereum.js/lib/qtsync.js
@@ -25,7 +25,8 @@ var QtSyncProvider = function () {
 };
 
 QtSyncProvider.prototype.send = function (payload) {
-    return navigator.qt.callMethod(JSON.stringify(payload));
+    var result = navigator.qt.callMethod(JSON.stringify(payload));
+    return JSON.parse(result);
 };
 
 module.exports = QtSyncProvider;
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/types.js b/cmd/mist/assets/ext/ethereum.js/lib/types.js
new file mode 100644
index 000000000..a39f2f1fc
--- /dev/null
+++ b/cmd/mist/assets/ext/ethereum.js/lib/types.js
@@ -0,0 +1,79 @@
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file types.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+var f = require('./formatters');
+
+/// @param expected type prefix (string)
+/// @returns function which checks if type has matching prefix. if yes, returns true, otherwise false
+var prefixedType = function (prefix) {
+    return function (type) {
+        return type.indexOf(prefix) === 0;
+    };
+};
+
+/// @param expected type name (string)
+/// @returns function which checks if type is matching expected one. if yes, returns true, otherwise false
+var namedType = function (name) {
+    return function (type) {
+        return name === type;
+    };
+};
+
+/// Setups input formatters for solidity types
+/// @returns an array of input formatters 
+var inputTypes = function () {
+    
+    return [
+        { type: prefixedType('uint'), format: f.formatInputInt },
+        { type: prefixedType('int'), format: f.formatInputInt },
+        { type: prefixedType('hash'), format: f.formatInputInt },
+        { type: prefixedType('string'), format: f.formatInputString }, 
+        { type: prefixedType('real'), format: f.formatInputReal },
+        { type: prefixedType('ureal'), format: f.formatInputReal },
+        { type: namedType('address'), format: f.formatInputInt },
+        { type: namedType('bool'), format: f.formatInputBool }
+    ];
+};
+
+/// Setups output formaters for solidity types
+/// @returns an array of output formatters
+var outputTypes = function () {
+
+    return [
+        { type: prefixedType('uint'), format: f.formatOutputUInt },
+        { type: prefixedType('int'), format: f.formatOutputInt },
+        { type: prefixedType('hash'), format: f.formatOutputHash },
+        { type: prefixedType('string'), format: f.formatOutputString },
+        { type: prefixedType('real'), format: f.formatOutputReal },
+        { type: prefixedType('ureal'), format: f.formatOutputUReal },
+        { type: namedType('address'), format: f.formatOutputAddress },
+        { type: namedType('bool'), format: f.formatOutputBool }
+    ];
+};
+
+module.exports = {
+    prefixedType: prefixedType,
+    namedType: namedType,
+    inputTypes: inputTypes,
+    outputTypes: outputTypes
+};
+
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/utils.js b/cmd/mist/assets/ext/ethereum.js/lib/utils.js
new file mode 100644
index 000000000..7cc1917e1
--- /dev/null
+++ b/cmd/mist/assets/ext/ethereum.js/lib/utils.js
@@ -0,0 +1,142 @@
+/*
+    This file is part of ethereum.js.
+
+    ethereum.js is free software: you can redistribute it and/or modify
+    it under the terms of the GNU Lesser General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    ethereum.js is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU Lesser General Public License for more details.
+
+    You should have received a copy of the GNU Lesser General Public License
+    along with ethereum.js.  If not, see <http://www.gnu.org/licenses/>.
+*/
+/** @file utils.js
+ * @authors:
+ *   Marek Kotewicz <marek@ethdev.com>
+ * @date 2015
+ */
+
+var c = require('./const');
+
+/// Finds first index of array element matching pattern
+/// @param array
+/// @param callback pattern
+/// @returns index of element
+var findIndex = function (array, callback) {
+    var end = false;
+    var i = 0;
+    for (; i < array.length && !end; i++) {
+        end = callback(array[i]);
+    }
+    return end ? i - 1 : -1;
+};
+
+/// @returns ascii string representation of hex value prefixed with 0x
+var toAscii = function(hex) {
+// Find termination
+    var str = "";
+    var i = 0, l = hex.length;
+    if (hex.substring(0, 2) === '0x') {
+        i = 2;
+    }
+    for (; i < l; i+=2) {
+        var code = parseInt(hex.substr(i, 2), 16);
+        if (code === 0) {
+            break;
+        }
+
+        str += String.fromCharCode(code);
+    }
+
+    return str;
+};
+    
+var toHex = function(str) {
+    var hex = "";
+    for(var i = 0; i < str.length; i++) {
+        var n = str.charCodeAt(i).toString(16);
+        hex += n.length < 2 ? '0' + n : n;
+    }
+
+    return hex;
+};
+
+/// @returns hex representation (prefixed by 0x) of ascii string
+var fromAscii = function(str, pad) {
+    pad = pad === undefined ? 0 : pad;
+    var hex = toHex(str);
+    while (hex.length < pad*2)
+        hex += "00";
+    return "0x" + hex;
+};
+
+/// @returns display name for function/event eg. multiply(uint256) -> multiply
+var extractDisplayName = function (name) {
+    var length = name.indexOf('('); 
+    return length !== -1 ? name.substr(0, length) : name;
+};
+
+/// @returns overloaded part of function/event name
+var extractTypeName = function (name) {
+    /// TODO: make it invulnerable
+    var length = name.indexOf('(');
+    return length !== -1 ? name.substr(length + 1, name.length - 1 - (length + 1)).replace(' ', '') : "";
+};
+
+/// Filters all function from input abi
+/// @returns abi array with filtered objects of type 'function'
+var filterFunctions = function (json) {
+    return json.filter(function (current) {
+        return current.type === 'function'; 
+    }); 
+};
+
+/// Filters all events form input abi
+/// @returns abi array with filtered objects of type 'event'
+var filterEvents = function (json) {
+    return json.filter(function (current) {
+        return current.type === 'event';
+    });
+};
+
+/// used to transform value/string to eth string
+/// TODO: use BigNumber.js to parse int
+/// TODO: add tests for it!
+var toEth = function (str) {
+    var val = typeof str === "string" ? str.indexOf('0x') === 0 ? parseInt(str.substr(2), 16) : parseInt(str) : str;
+    var unit = 0;
+    var units = c.ETH_UNITS;
+    while (val > 3000 && unit < units.length - 1)
+    {
+        val /= 1000;
+        unit++;
+    }
+    var s = val.toString().length < val.toFixed(2).length ? val.toString() : val.toFixed(2);
+    var replaceFunction = function($0, $1, $2) {
+        return $1 + ',' + $2;
+    };
+
+    while (true) {
+        var o = s;
+        s = s.replace(/(\d)(\d\d\d[\.\,])/, replaceFunction);
+        if (o === s)
+            break;
+    }
+    return s + ' ' + units[unit];
+};
+
+module.exports = {
+    findIndex: findIndex,
+    toAscii: toAscii,
+    fromAscii: fromAscii,
+    extractDisplayName: extractDisplayName,
+    extractTypeName: extractTypeName,
+    filterFunctions: filterFunctions,
+    filterEvents: filterEvents,
+    toEth: toEth
+};
+
diff --git a/cmd/mist/assets/ext/ethereum.js/lib/web3.js b/cmd/mist/assets/ext/ethereum.js/lib/web3.js
index 7b8bbd28a..41df75051 100644
--- a/cmd/mist/assets/ext/ethereum.js/lib/web3.js
+++ b/cmd/mist/assets/ext/ethereum.js/lib/web3.js
@@ -27,27 +27,7 @@ if (process.env.NODE_ENV !== 'build') {
     var BigNumber = require('bignumber.js');
 }
 
-var ETH_UNITS = [ 
-    'wei', 
-    'Kwei', 
-    'Mwei', 
-    'Gwei', 
-    'szabo', 
-    'finney', 
-    'ether', 
-    'grand', 
-    'Mether', 
-    'Gether', 
-    'Tether', 
-    'Pether', 
-    'Eether', 
-    'Zether', 
-    'Yether', 
-    'Nether', 
-    'Dether', 
-    'Vether', 
-    'Uether' 
-];
+var utils = require('./utils');
 
 /// @returns an array of objects describing web3 api methods
 var web3Methods = function () {
@@ -156,8 +136,8 @@ var setupMethods = function (obj, methods) {
             var args = Array.prototype.slice.call(arguments);
             var call = typeof method.call === 'function' ? method.call(args) : method.call;
             return web3.provider.send({
-                call: call,
-                args: args
+                method: call,
+                params: args
             });
         };
     });
@@ -170,15 +150,15 @@ var setupProperties = function (obj, properties) {
         var proto = {};
         proto.get = function () {
             return web3.provider.send({
-                call: property.getter
+                method: property.getter
             });
         };
 
         if (property.setter) {
             proto.set = function (val) {
                 return web3.provider.send({
-                    call: property.setter,
-                    args: [val]
+                    method: property.setter,
+                    params: [val]
                 });
             };
         }
@@ -192,43 +172,11 @@ var web3 = {
     _events: {},
     providers: {},
 
-    toHex: function(str) {
-        var hex = "";
-        for(var i = 0; i < str.length; i++) {
-            var n = str.charCodeAt(i).toString(16);
-            hex += n.length < 2 ? '0' + n : n;
-        }
-
-        return hex;
-    },
-
     /// @returns ascii string representation of hex value prefixed with 0x
-    toAscii: function(hex) {
-        // Find termination
-        var str = "";
-        var i = 0, l = hex.length;
-        if (hex.substring(0, 2) === '0x')
-            i = 2;
-        for(; i < l; i+=2) {
-            var code = parseInt(hex.substr(i, 2), 16);
-            if(code === 0) {
-                break;
-            }
-
-            str += String.fromCharCode(code);
-        }
-
-        return str;
-    },
+    toAscii: utils.toAscii,
 
     /// @returns hex representation (prefixed by 0x) of ascii string
-    fromAscii: function(str, pad) {
-        pad = pad === undefined ? 0 : pad;
-        var hex = this.toHex(str);
-        while(hex.length < pad*2)
-            hex += "00";
-        return "0x" + hex;
-    },
+    fromAscii: utils.fromAscii,
 
     /// @returns decimal representaton of hex value prefixed by 0x
     toDecimal: function (val) {
@@ -243,29 +191,7 @@ var web3 = {
     },
 
     /// used to transform value/string to eth string
-    /// TODO: use BigNumber.js to parse int
-    toEth: function(str) {
-        var val = typeof str === "string" ? str.indexOf('0x') === 0 ? parseInt(str.substr(2), 16) : parseInt(str) : str;
-        var unit = 0;
-        var units = ETH_UNITS;
-        while (val > 3000 && unit < units.length - 1)
-        {
-            val /= 1000;
-            unit++;
-        }
-        var s = val.toString().length < val.toFixed(2).length ? val.toString() : val.toFixed(2);
-        var replaceFunction = function($0, $1, $2) {
-            return $1 + ',' + $2;
-        };
-
-        while (true) {
-            var o = s;
-            s = s.replace(/(\d)(\d\d\d[\.\,])/, replaceFunction);
-            if (o === s)
-                break;
-        }
-        return s + ' ' + units[unit];
-    },
+    toEth: utils.toEth,
 
     /// eth object prototype
     eth: {
@@ -278,8 +204,15 @@ var web3 = {
                 return ret;
             };
         },
-        watch: function (params) {
-            return new web3.filter(params, ethWatch);
+
+        /// @param filter may be a string, object or event
+        /// @param indexed is optional, this is an object with optional event indexed params
+        /// @param options is optional, this is an object with optional event options ('max'...)
+        watch: function (filter, indexed, options) {
+            if (filter._isEvent) {
+                return filter(indexed, options);
+            }
+            return new web3.filter(filter, ethWatch);
         }
     },
 
@@ -288,15 +221,12 @@ var web3 = {
 
     /// shh object prototype
     shh: {
-        watch: function (params) {
-            return new web3.filter(params, shhWatch);
+        
+        /// @param filter may be a string, object or event
+        watch: function (filter, indexed) {
+            return new web3.filter(filter, shhWatch);
         }
     },
-
-    /// @returns true if provider is installed
-    haveProvider: function() {
-        return !!web3.provider.provider;
-    }
 };
 
 /// setups all api methods
@@ -319,7 +249,6 @@ var shhWatch = {
 setupMethods(shhWatch, shhWatchMethods());
 
 web3.setProvider = function(provider) {
-    //provider.onmessage = messageHandler; // there will be no async calls, to remove
     web3.provider.set(provider);
 };
 
diff --git a/cmd/mist/assets/ext/ethereum.js/package.json b/cmd/mist/assets/ext/ethereum.js/package.json
index 7fc20a667..8102a2592 100644
--- a/cmd/mist/assets/ext/ethereum.js/package.json
+++ b/cmd/mist/assets/ext/ethereum.js/package.json
@@ -1,7 +1,7 @@
 {
   "name": "ethereum.js",
   "namespace": "ethereum",
-  "version": "0.0.10",
+  "version": "0.0.13",
   "description": "Ethereum Compatible JavaScript API",
   "main": "./index.js",
   "directories": {
diff --git a/cmd/mist/assets/ext/ethereum.js/test/db.methods.js b/cmd/mist/assets/ext/ethereum.js/test/db.methods.js
index 8f8f5409f..2ad384579 100644
--- a/cmd/mist/assets/ext/ethereum.js/test/db.methods.js
+++ b/cmd/mist/assets/ext/ethereum.js/test/db.methods.js
@@ -1,7 +1,7 @@
 
 var assert = require('assert');
 var web3 = require('../index.js');
-var u = require('./utils.js');
+var u = require('./test.utils.js');
 
 describe('web3', function() {
     describe('db', function() {
diff --git a/cmd/mist/assets/ext/ethereum.js/test/eth.methods.js b/cmd/mist/assets/ext/ethereum.js/test/eth.methods.js
index 7a031c4c8..8f10b441d 100644
--- a/cmd/mist/assets/ext/ethereum.js/test/eth.methods.js
+++ b/cmd/mist/assets/ext/ethereum.js/test/eth.methods.js
@@ -1,6 +1,6 @@
 var assert = require('assert');
 var web3 = require('../index.js');
-var u = require('./utils.js');
+var u = require('./test.utils.js');
 
 describe('web3', function() {
     describe('eth', function() {
diff --git a/cmd/mist/assets/ext/ethereum.js/test/shh.methods.js b/cmd/mist/assets/ext/ethereum.js/test/shh.methods.js
index fe2dae71d..91ca3caba 100644
--- a/cmd/mist/assets/ext/ethereum.js/test/shh.methods.js
+++ b/cmd/mist/assets/ext/ethereum.js/test/shh.methods.js
@@ -1,6 +1,6 @@
 var assert = require('assert');
 var web3 = require('../index.js');
-var u = require('./utils.js');
+var u = require('./test.utils.js');
 
 describe('web3', function() {
     describe('shh', function() {
diff --git a/cmd/mist/assets/ext/ethereum.js/test/web3.methods.js b/cmd/mist/assets/ext/ethereum.js/test/web3.methods.js
index d08495dd9..06de41da4 100644
--- a/cmd/mist/assets/ext/ethereum.js/test/web3.methods.js
+++ b/cmd/mist/assets/ext/ethereum.js/test/web3.methods.js
@@ -1,6 +1,6 @@
 var assert = require('assert');
 var web3 = require('../index.js');
-var u = require('./utils.js');
+var u = require('./test.utils.js');
 
 describe('web3', function() {
     u.methodExists(web3, 'sha3');