require=(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.
*/
/**
* @file abi.js
* @author Marek Kotewicz
* @author Gav Wood
* @date 2014
*/
var utils = require('../utils/utils');
var c = require('../utils/config');
var types = require('./types');
var f = require('./formatters');
var solUtils = require('./utils');
/**
* throw incorrect type error
*
* @method throwTypeError
* @param {String} type
* @throws incorrect type error
*/
var throwTypeError = function (type) {
throw new Error('parser does not support type: ' + type);
};
/** This method should be called if we want to check if givent type is an array type
*
* @method isArrayType
* @param {String} type name
* @returns {Boolean} true if it is, otherwise false
*/
var isArrayType = function (type) {
return type.slice(-2) === '[]';
};
/**
* This method should be called to return dynamic type length in hex
*
* @method dynamicTypeBytes
* @param {String} type
* @param {String|Array} dynamic type
* @return {String} length of dynamic type in hex or empty string if type is not dynamic
*/
var dynamicTypeBytes = function (type, value) {
// TODO: decide what to do with array of strings
if (isArrayType(type) || type === 'bytes')
return f.formatInputInt(value.length);
return "";
};
var inputTypes = types.inputTypes();
/**
* Formats input params to bytes
*
* @method formatInput
* @param {Array} abi inputs of method
* @param {Array} params that will be formatted to bytes
* @returns bytes representation of input params
*/
var formatInput = function (inputs, params) {
var bytes = "";
var toAppendConstant = "";
var toAppendArrayContent = "";
/// first we iterate in search for dynamic
inputs.forEach(function (input, index) {
bytes += dynamicTypeBytes(input.type, params[index]);
});
inputs.forEach(function (input, i) {
/*jshint maxcomplexity:5 */
var typeMatch = false;
for (var j = 0; j < inputTypes.length && !typeMatch; j++) {
typeMatch = inputTypes[j].type(inputs[i].type, params[i]);
}
if (!typeMatch) {
throwTypeError(inputs[i].type);
}
var formatter = inputTypes[j - 1].format;
if (isArrayType(inputs[i].type))
toAppendArrayContent += params[i].reduce(function (acc, curr) {
return acc + formatter(curr);
}, "");
else if (inputs[i].type === 'bytes')
toAppendArrayContent += formatter(params[i]);
else
toAppendConstant += formatter(params[i]);
});
bytes += toAppendConstant + toAppendArrayContent;
return bytes;
};
/**
* This method should be called to predict the length of dynamic type
*
* @method dynamicBytesLength
* @param {String} type
* @returns {Number} length of dynamic type, 0 or multiplication of ETH_PADDING (32)
*/
var dynamicBytesLength = function (type) {
if (isArrayType(type) || type === 'bytes')
return c.ETH_PADDING * 2;
return 0;
};
var outputTypes = types.outputTypes();
/**
* Formats output bytes back to param list
*
* @method formatOutput
* @param {Array} abi outputs of method
* @param {String} bytes represention of output
* @returns {Array} output params
*/
var formatOutput = function (outs, output) {
output = output.slice(2);
var result = [];
var padding = c.ETH_PADDING * 2;
var dynamicPartLength = outs.reduce(function (acc, curr) {
return acc + dynamicBytesLength(curr.type);
}, 0);
var dynamicPart = output.slice(0, dynamicPartLength);
output = output.slice(dynamicPartLength);
outs.forEach(function (out, i) {
/*jshint maxcomplexity:6 */
var typeMatch = false;
for (var j = 0; j < outputTypes.length && !typeMatch; j++) {
typeMatch = outputTypes[j].type(outs[i].type);
}
if (!typeMatch) {
throwTypeError(outs[i].type);
}
var formatter = outputTypes[j - 1].format;
if (isArrayType(outs[i].type)) {
var size = f.formatOutputUInt(dynamicPart.slice(0, padding));
dynamicPart = dynamicPart.slice(padding);
var array = [];
for (var k = 0; k < size; k++) {
array.push(formatter(output.slice(0, padding)));
output = output.slice(padding);
}
result.push(array);
}
else if (types.prefixedType('bytes')(outs[i].type)) {
dynamicPart = dynamicPart.slice(padding);
result.push(formatter(output.slice(0, padding)));
output = output.slice(padding);
} else {
result.push(formatter(output.slice(0, padding)));
output = output.slice(padding);
}
});
return result;
};
/**
* Should be called to create input parser for contract with given abi
*
* @method inputParser
* @param {Array} contract abi
* @returns {Object} 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 = utils.extractDisplayName(method.name);
var typeName = utils.extractTypeName(method.name);
var impl = function () {
var params = Array.prototype.slice.call(arguments);
return formatInput(method.inputs, params);
};
if (parser[displayName] === undefined) {
parser[displayName] = impl;
}
parser[displayName][typeName] = impl;
});
return parser;
};
/**
* Should be called to create output parser for contract with given abi
*
* @method outputParser
* @param {Array} contract abi
* @returns {Object} output parser for given json abi
*/
var outputParser = function (json) {
var parser = {};
json.forEach(function (method) {
var displayName = utils.extractDisplayName(method.name);
var typeName = utils.extractTypeName(method.name);
var impl = function (output) {
return formatOutput(method.outputs, output);
};
if (parser[displayName] === undefined) {
parser[displayName] = impl;
}
parser[displayName][typeName] = impl;
});
return parser;
};
var formatConstructorParams = function (abi, params) {
var constructor = solUtils.getConstructor(abi, params.length);
if (!constructor) {
if (params.length > 0) {
console.warn("didn't found matching constructor, using default one");
}
return '';
}
return formatInput(constructor.inputs, params);
};
module.exports = {
inputParser: inputParser,
outputParser: outputParser,
formatInput: formatInput,
formatOutput: formatOutput,
formatConstructorParams: formatConstructorParams
};
},{"../utils/config":6,"../utils/utils":7,"./formatters":2,"./types":3,"./utils":4}],2:[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 .
*/
/** @file formatters.js
* @authors:
* Marek Kotewicz
* @date 2015
*/
var BigNumber = require('bignumber.js');
var utils = require('../utils/utils');
var c = require('../utils/config');
/**
* 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
*
* @method formatInputInt
* @param {String|Number|BigNumber} value that needs to be formatted
* @returns {String} right-aligned byte representation of int
*/
var formatInputInt = function (value) {
var padding = c.ETH_PADDING * 2;
BigNumber.config(c.ETH_BIGNUMBER_ROUNDING_MODE);
return utils.padLeft(utils.toTwosComplement(value).round().toString(16), padding);
};
/**
* Formats input value to byte representation of string
*
* @method formatInputString
* @param {String}
* @returns {String} 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
*
* @method formatInputBool
* @param {Boolean}
* @returns {String} 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
*
* @method formatInputReal
* @param {String|Number|BigNumber}
* @returns {String} 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
*
* @method signedIsNegative
* @param {String} value is hex format
* @returns {Boolean} 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 right-aligned output bytes to int
*
* @method formatOutputInt
* @param {String} bytes
* @returns {BigNumber} right-aligned output bytes formatted to big number
*/
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 right-aligned output bytes to uint
*
* @method formatOutputUInt
* @param {String} bytes
* @returns {BigNumeber} right-aligned output bytes formatted to uint
*/
var formatOutputUInt = function (value) {
value = value || "0";
return new BigNumber(value, 16);
};
/**
* Formats right-aligned output bytes to real
*
* @method formatOutputReal
* @param {String}
* @returns {BigNumber} input bytes formatted to real
*/
var formatOutputReal = function (value) {
return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128));
};
/**
* Formats right-aligned output bytes to ureal
*
* @method formatOutputUReal
* @param {String}
* @returns {BigNumber} input bytes formatted to ureal
*/
var formatOutputUReal = function (value) {
return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128));
};
/**
* Should be used to format output hash
*
* @method formatOutputHash
* @param {String}
* @returns {String} right-aligned output bytes formatted to hex
*/
var formatOutputHash = function (value) {
return "0x" + value;
};
/**
* Should be used to format output bool
*
* @method formatOutputBool
* @param {String}
* @returns {Boolean} right-aligned input bytes formatted to bool
*/
var formatOutputBool = function (value) {
return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;
};
/**
* Should be used to format output string
*
* @method formatOutputString
* @param {Sttring} left-aligned hex representation of string
* @returns {String} ascii string
*/
var formatOutputString = function (value) {
return utils.toAscii(value);
};
/**
* Should be used to format output address
*
* @method formatOutputAddress
* @param {String} right-aligned input bytes
* @returns {String} 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
};
},{"../utils/config":6,"../utils/utils":7,"bignumber.js":"bignumber.js"}],3:[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 .
*/
/** @file types.js
* @authors:
* Marek Kotewicz
* @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('bytes'), 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('bytes'), 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":2}],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 .
*/
/**
* @file utils.js
* @author Marek Kotewicz
* @date 2015
*/
/**
* Returns the contstructor with matching number of arguments
*
* @method getConstructor
* @param {Array} abi
* @param {Number} numberOfArgs
* @returns {Object} constructor function abi
*/
var getConstructor = function (abi, numberOfArgs) {
return abi.filter(function (f) {
return f.type === 'constructor' && f.inputs.length === numberOfArgs;
})[0];
};
/**
* Filters all functions from input abi
*
* @method filterFunctions
* @param {Array} abi
* @returns {Array} abi array with filtered objects of type 'function'
*/
var filterFunctions = function (json) {
return json.filter(function (current) {
return current.type === 'function';
});
};
/**
* Filters all events from input abi
*
* @method filterEvents
* @param {Array} abi
* @returns {Array} abi array with filtered objects of type 'event'
*/
var filterEvents = function (json) {
return json.filter(function (current) {
return current.type === 'event';
});
};
module.exports = {
getConstructor: getConstructor,
filterFunctions: filterFunctions,
filterEvents: filterEvents
};
},{}],5:[function(require,module,exports){
'use strict';
// go env doesn't have and need XMLHttpRequest
if (typeof XMLHttpRequest === 'undefined') {
exports.XMLHttpRequest = {};
} else {
exports.XMLHttpRequest = XMLHttpRequest; // jshint ignore:line
}
},{}],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 .
*/
/** @file config.js
* @authors:
* Marek Kotewicz
* @date 2015
*/
/**
* Utils
*
* @module utils
*/
/**
* Utility functions
*
* @class [utils] config
* @constructor
*/
/// required to define ETH_BIGNUMBER_ROUNDING_MODE
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'
];
module.exports = {
ETH_PADDING: 32,
ETH_SIGNATURE_LENGTH: 4,
ETH_UNITS: ETH_UNITS,
ETH_BIGNUMBER_ROUNDING_MODE: { ROUNDING_MODE: BigNumber.ROUND_DOWN },
ETH_POLLING_TIMEOUT: 1000,
ETH_DEFAULTBLOCK: 'latest'
};
},{"bignumber.js":"bignumber.js"}],7:[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 .
*/
/** @file utils.js
* @authors:
* Marek Kotewicz
* @date 2015
*/
/**
* Utils
*
* @module utils
*/
/**
* Utility functions
*
* @class [utils] utils
* @constructor
*/
var BigNumber = require('bignumber.js');
var unitMap = {
'wei': '1',
'kwei': '1000',
'ada': '1000',
'mwei': '1000000',
'babbage': '1000000',
'gwei': '1000000000',
'shannon': '1000000000',
'szabo': '1000000000000',
'finney': '1000000000000000',
'ether': '1000000000000000000',
'kether': '1000000000000000000000',
'grand': '1000000000000000000000',
'einstein': '1000000000000000000000',
'mether': '1000000000000000000000000',
'gether': '1000000000000000000000000000',
'tether': '1000000000000000000000000000000'
};
/**
* Should be called to pad string to expected length
*
* @method padLeft
* @param {String} string to be padded
* @param {Number} characters that result string should have
* @param {String} sign, by default 0
* @returns {String} right aligned string
*/
var padLeft = function (string, chars, sign) {
return new Array(chars - string.length + 1).join(sign ? sign : "0") + string;
};
/** Finds first index of array element matching pattern
*
* @method findIndex
* @param {Array}
* @param {Function} pattern
* @returns {Number} 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;
};
/**
* Should be called to get sting from it's hex representation
*
* @method toAscii
* @param {String} string in hex
* @returns {String} ascii string representation of hex value
*/
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;
};
/**
* Shold be called to get hex representation (prefixed by 0x) of ascii string
*
* @method fromAscii
* @param {String} string
* @returns {String} hex representation of input string
*/
var toHexNative = 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;
};
/**
* Shold be called to get hex representation (prefixed by 0x) of ascii string
*
* @method fromAscii
* @param {String} string
* @param {Number} optional padding
* @returns {String} hex representation of input string
*/
var fromAscii = function(str, pad) {
pad = pad === undefined ? 0 : pad;
var hex = toHexNative(str);
while (hex.length < pad*2)
hex += "00";
return "0x" + hex;
};
/**
* Should be called to get display name of contract function
*
* @method extractDisplayName
* @param {String} name of function/event
* @returns {String} 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(' ', '') : "";
};
/**
* Converts value to it's decimal representation in string
*
* @method toDecimal
* @param {String|Number|BigNumber}
* @return {String}
*/
var toDecimal = function (value) {
return toBigNumber(value).toNumber();
};
/**
* Converts value to it's hex representation
*
* @method fromDecimal
* @param {String|Number|BigNumber}
* @return {String}
*/
var fromDecimal = function (value) {
var number = toBigNumber(value);
var result = number.toString(16);
return number.lessThan(0) ? '-0x' + result.substr(1) : '0x' + result;
};
/**
* Auto converts any given value into it's hex representation.
*
* And even stringifys objects before.
*
* @method toHex
* @param {String|Number|BigNumber|Object}
* @return {String}
*/
var toHex = function (val) {
/*jshint maxcomplexity:7 */
if (isBoolean(val))
return fromDecimal(+val);
if (isBigNumber(val))
return fromDecimal(val);
if (isObject(val))
return fromAscii(JSON.stringify(val));
// if its a negative number, pass it through fromDecimal
if (isString(val)) {
if (val.indexOf('-0x') === 0)
return fromDecimal(val);
else if (!isFinite(val))
return fromAscii(val);
}
return fromDecimal(val);
};
/**
* Returns value of unit in Wei
*
* @method getValueOfUnit
* @param {String} unit the unit to convert to, default ether
* @returns {BigNumber} value of the unit (in Wei)
* @throws error if the unit is not correct:w
*/
var getValueOfUnit = function (unit) {
unit = unit ? unit.toLowerCase() : 'ether';
var unitValue = unitMap[unit];
if (unitValue === undefined) {
throw new Error('This unit doesn\'t exists, please use the one of the following units' + JSON.stringify(unitMap, null, 2));
}
return new BigNumber(unitValue, 10);
};
/**
* Takes a number of wei and converts it to any other ether unit.
*
* Possible units are:
* - kwei/ada
* - mwei/babbage
* - gwei/shannon
* - szabo
* - finney
* - ether
* - kether/grand/einstein
* - mether
* - gether
* - tether
*
* @method fromWei
* @param {Number|String} number can be a number, number string or a HEX of a decimal
* @param {String} unit the unit to convert to, default ether
* @return {String|Object} When given a BigNumber object it returns one as well, otherwise a number
*/
var fromWei = function(number, unit) {
var returnValue = toBigNumber(number).dividedBy(getValueOfUnit(unit));
return isBigNumber(number) ? returnValue : returnValue.toString(10);
};
/**
* Takes a number of a unit and converts it to wei.
*
* Possible units are:
* - kwei/ada
* - mwei/babbage
* - gwei/shannon
* - szabo
* - finney
* - ether
* - kether/grand/einstein
* - mether
* - gether
* - tether
*
* @method toWei
* @param {Number|String|BigNumber} number can be a number, number string or a HEX of a decimal
* @param {String} unit the unit to convert from, default ether
* @return {String|Object} When given a BigNumber object it returns one as well, otherwise a number
*/
var toWei = function(number, unit) {
var returnValue = toBigNumber(number).times(getValueOfUnit(unit));
return isBigNumber(number) ? returnValue : returnValue.toString(10);
};
/**
* Takes an input and transforms it into an bignumber
*
* @method toBigNumber
* @param {Number|String|BigNumber} a number, string, HEX string or BigNumber
* @return {BigNumber} BigNumber
*/
var toBigNumber = function(number) {
/*jshint maxcomplexity:5 */
number = number || 0;
if (isBigNumber(number))
return number;
if (isString(number) && (number.indexOf('0x') === 0 || number.indexOf('-0x') === 0)) {
return new BigNumber(number.replace('0x',''), 16);
}
return new BigNumber(number.toString(10), 10);
};
/**
* Takes and input transforms it into bignumber and if it is negative value, into two's complement
*
* @method toTwosComplement
* @param {Number|String|BigNumber}
* @return {BigNumber}
*/
var toTwosComplement = function (number) {
var bigNumber = toBigNumber(number);
if (bigNumber.lessThan(0)) {
return new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(bigNumber).plus(1);
}
return bigNumber;
};
/**
* Checks if the given string is strictly an address
*
* @method isStrictAddress
* @param {String} address the given HEX adress
* @return {Boolean}
*/
var isStrictAddress = function (address) {
return /^0x[0-9a-f]{40}$/.test(address);
};
/**
* Checks if the given string is an address
*
* @method isAddress
* @param {String} address the given HEX adress
* @return {Boolean}
*/
var isAddress = function (address) {
return /^(0x)?[0-9a-f]{40}$/.test(address);
};
/**
* Transforms given string to valid 20 bytes-length addres with 0x prefix
*
* @method toAddress
* @param {String} address
* @return {String} formatted address
*/
var toAddress = function (address) {
if (isStrictAddress(address)) {
return address;
}
if (/^[0-9a-f]{40}$/.test(address)) {
return '0x' + address;
}
return '0x' + padLeft(toHex(address).substr(2), 40);
};
/**
* Returns true if object is BigNumber, otherwise false
*
* @method isBigNumber
* @param {Object}
* @return {Boolean}
*/
var isBigNumber = function (object) {
return object instanceof BigNumber ||
(object && object.constructor && object.constructor.name === 'BigNumber');
};
/**
* Returns true if object is string, otherwise false
*
* @method isString
* @param {Object}
* @return {Boolean}
*/
var isString = function (object) {
return typeof object === 'string' ||
(object && object.constructor && object.constructor.name === 'String');
};
/**
* Returns true if object is function, otherwise false
*
* @method isFunction
* @param {Object}
* @return {Boolean}
*/
var isFunction = function (object) {
return typeof object === 'function';
};
/**
* Returns true if object is Objet, otherwise false
*
* @method isObject
* @param {Object}
* @return {Boolean}
*/
var isObject = function (object) {
return typeof object === 'object';
};
/**
* Returns true if object is boolean, otherwise false
*
* @method isBoolean
* @param {Object}
* @return {Boolean}
*/
var isBoolean = function (object) {
return typeof object === 'boolean';
};
/**
* Returns true if object is array, otherwise false
*
* @method isArray
* @param {Object}
* @return {Boolean}
*/
var isArray = function (object) {
return object instanceof Array;
};
/**
* Returns true if given string is valid json object
*
* @method isJson
* @param {String}
* @return {Boolean}
*/
var isJson = function (str) {
try {
return !!JSON.parse(str);
} catch (e) {
return false;
}
};
module.exports = {
padLeft: padLeft,
findIndex: findIndex,
toHex: toHex,
toDecimal: toDecimal,
fromDecimal: fromDecimal,
toAscii: toAscii,
fromAscii: fromAscii,
extractDisplayName: extractDisplayName,
extractTypeName: extractTypeName,
toWei: toWei,
fromWei: fromWei,
toBigNumber: toBigNumber,
toTwosComplement: toTwosComplement,
toAddress: toAddress,
isBigNumber: isBigNumber,
isStrictAddress: isStrictAddress,
isAddress: isAddress,
isFunction: isFunction,
isString: isString,
isObject: isObject,
isBoolean: isBoolean,
isArray: isArray,
isJson: isJson
};
},{"bignumber.js":"bignumber.js"}],8:[function(require,module,exports){
module.exports={
"version": "0.2.7"
}
},{}],9:[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 .
*/
/** @file web3.js
* @authors:
* Jeffrey Wilcke
* Marek Kotewicz
* Marian Oancea
* Fabian Vogelsteller
* Gav Wood
* @date 2014
*/
var version = require('./version.json');
var net = require('./web3/net');
var eth = require('./web3/eth');
var db = require('./web3/db');
var shh = require('./web3/shh');
var watches = require('./web3/watches');
var Filter = require('./web3/filter');
var utils = require('./utils/utils');
var formatters = require('./web3/formatters');
var RequestManager = require('./web3/requestmanager');
var c = require('./utils/config');
var Method = require('./web3/method');
var Property = require('./web3/property');
var web3Methods = [
new Method({
name: 'sha3',
call: 'web3_sha3',
params: 1
})
];
var web3Properties = [
new Property({
name: 'version.client',
getter: 'web3_clientVersion'
}),
new Property({
name: 'version.network',
getter: 'net_version',
inputFormatter: utils.toDecimal
}),
new Property({
name: 'version.ethereum',
getter: 'eth_protocolVersion',
inputFormatter: utils.toDecimal
}),
new Property({
name: 'version.whisper',
getter: 'shh_version',
inputFormatter: utils.toDecimal
})
];
/// creates methods in a given object based on method description on input
/// setups api calls for these methods
var setupMethods = function (obj, methods) {
methods.forEach(function (method) {
method.attachToObject(obj);
});
};
/// creates properties in a given object based on properties description on input
/// setups api calls for these properties
var setupProperties = function (obj, properties) {
properties.forEach(function (property) {
property.attachToObject(obj);
});
};
/// setups web3 object, and it's in-browser executed methods
var web3 = {};
web3.providers = {};
web3.version = {};
web3.version.api = version.version;
web3.eth = {};
/*jshint maxparams:4 */
web3.eth.filter = function (fil, eventParams, options, formatter) {
// if its event, treat it differently
// TODO: simplify and remove
if (fil._isEvent) {
return fil(eventParams, options);
}
// what outputLogFormatter? that's wrong
//return new Filter(fil, watches.eth(), formatters.outputLogFormatter);
return new Filter(fil, watches.eth(), formatter || formatters.outputLogFormatter);
};
/*jshint maxparams:3 */
web3.shh = {};
web3.shh.filter = function (fil) {
return new Filter(fil, watches.shh(), formatters.outputPostFormatter);
};
web3.net = {};
web3.db = {};
web3.setProvider = function (provider) {
RequestManager.getInstance().setProvider(provider);
};
web3.reset = function () {
RequestManager.getInstance().reset();
};
web3.toHex = utils.toHex;
web3.toAscii = utils.toAscii;
web3.fromAscii = utils.fromAscii;
web3.toDecimal = utils.toDecimal;
web3.fromDecimal = utils.fromDecimal;
web3.toBigNumber = utils.toBigNumber;
web3.toWei = utils.toWei;
web3.fromWei = utils.fromWei;
web3.isAddress = utils.isAddress;
// ADD defaultblock
Object.defineProperty(web3.eth, 'defaultBlock', {
get: function () {
return c.ETH_DEFAULTBLOCK;
},
set: function (val) {
c.ETH_DEFAULTBLOCK = val;
return c.ETH_DEFAULTBLOCK;
}
});
/// setups all api methods
setupMethods(web3, web3Methods);
setupProperties(web3, web3Properties);
setupMethods(web3.net, net.methods);
setupProperties(web3.net, net.properties);
setupMethods(web3.eth, eth.methods);
setupProperties(web3.eth, eth.properties);
setupMethods(web3.db, db.methods);
setupMethods(web3.shh, shh.methods);
module.exports = web3;
},{"./utils/config":6,"./utils/utils":7,"./version.json":8,"./web3/db":11,"./web3/eth":13,"./web3/filter":15,"./web3/formatters":16,"./web3/method":19,"./web3/net":20,"./web3/property":21,"./web3/requestmanager":23,"./web3/shh":24,"./web3/watches":26}],10:[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 .
*/
/** @file contract.js
* @authors:
* Marek Kotewicz
* @date 2014
*/
var web3 = require('../web3');
var solAbi = require('../solidity/abi');
var utils = require('../utils/utils');
var solUtils = require('../solidity/utils');
var eventImpl = require('./event');
var signature = require('./signature');
var addFunctionRelatedPropertiesToContract = function (contract) {
contract.call = function (options) {
contract._isTransaction = false;
contract._options = options;
return contract;
};
contract.sendTransaction = function (options) {
contract._isTransaction = true;
contract._options = options;
return contract;
};
};
var addFunctionsToContract = function (contract, desc, address) {
var inputParser = solAbi.inputParser(desc);
var outputParser = solAbi.outputParser(desc);
// create contract functions
solUtils.filterFunctions(desc).forEach(function (method) {
var displayName = utils.extractDisplayName(method.name);
var typeName = utils.extractTypeName(method.name);
var impl = function () {
/*jshint maxcomplexity:7 */
var params = Array.prototype.slice.call(arguments);
var sign = signature.functionSignatureFromAscii(method.name);
var parsed = inputParser[displayName][typeName].apply(null, params);
var options = contract._options || {};
options.to = address;
options.data = sign + parsed;
var isTransaction = contract._isTransaction === true || (contract._isTransaction !== false && !method.constant);
var collapse = options.collapse !== false;
// reset
contract._options = {};
contract._isTransaction = null;
if (isTransaction) {
// transactions do not have any output, cause we do not know, when they will be processed
web3.eth.sendTransaction(options);
return;
}
var output = web3.eth.call(options);
var ret = outputParser[displayName][typeName](output);
if (collapse)
{
if (ret.length === 1)
ret = ret[0];
else if (ret.length === 0)
ret = null;
}
return ret;
};
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(solUtils.filterEvents(desc));
var parser = eventImpl.outputParser(matchingEvent);
return parser(data);
};
Object.defineProperty(contract, 'topics', {
get: function() {
return solUtils.filterEvents(desc).map(function (e) {
return signature.eventSignatureFromAscii(e.name);
});
}
});
};
var addEventsToContract = function (contract, desc, address) {
// create contract events
solUtils.filterEvents(desc).forEach(function (e) {
var impl = function () {
var params = Array.prototype.slice.call(arguments);
var sign = signature.eventSignatureFromAscii(e.name);
var event = eventImpl.inputParser(address, sign, e);
var o = event.apply(null, params);
var outputFormatter = function (data) {
var parser = eventImpl.outputParser(e);
return parser(data);
};
return web3.eth.filter(o, undefined, undefined, outputFormatter);
};
// 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(abi); // creation of contract prototype
*
* var contractInstance = new MyContract('0x0123123121');
*
* contractInstance.myMethod('this is test string param for call'); // myMethod call (implicit, default)
* contractInstance.call().myMethod('this is test string param for call'); // myMethod call (explicit)
* contractInstance.sendTransaction().myMethod('this is test string param for transact'); // myMethod sendTransaction
*
* @param abi - abi json description of the contract, which is being created
* @returns contract object
*/
var contract = function (abi) {
// return prototype
return Contract.bind(null, abi);
};
function Contract(abi, options) {
// 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?
abi.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 address = '';
if (utils.isAddress(options)) {
address = options;
} else { // is a source code!
// TODO, parse the rest of the args
var code = options;
var args = Array.prototype.slice.call(arguments, 2);
var bytes = solAbi.formatConstructorParams(abi, args);
address = web3.eth.sendTransaction({data: code + bytes});
}
var result = {};
addFunctionRelatedPropertiesToContract(result);
addFunctionsToContract(result, abi, address);
addEventRelatedPropertiesToContract(result, abi, address);
addEventsToContract(result, abi, address);
return result;
}
module.exports = contract;
},{"../solidity/abi":1,"../solidity/utils":4,"../utils/utils":7,"../web3":9,"./event":14,"./signature":25}],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 .
*/
/** @file db.js
* @authors:
* Marek Kotewicz
* @date 2015
*/
var Method = require('./method');
var putString = new Method({
name: 'putString',
call: 'db_putString',
params: 3
});
var getString = new Method({
name: 'getString',
call: 'db_getString',
params: 2
});
var putHex = new Method({
name: 'putHex',
call: 'db_putHex',
params: 3
});
var getHex = new Method({
name: 'getHex',
call: 'db_getHex',
params: 2
});
var methods = [
putString, getString, putHex, getHex
];
module.exports = {
methods: methods
};
},{"./method":19}],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 .
*/
/**
* @file errors.js
* @author Marek Kotewicz
* @date 2015
*/
var utils = require('../utils/utils');
module.exports = {
InvalidNumberOfParams: new Error('Invalid number of input parameters'),
NoConnection: function(host){
return new Error('CONNECTION ERROR: Couldn\'t connect to node '+ host +', is it running?');
},
InvalidProvider: new Error('Providor not set or invalid'),
InvalidResponse: function(result){
var message = 'Invalid JSON RPC response';
if(utils.isObject(result) && result.error && result.error.message) {
message = result.error.message;
}
return new Error(message);
}
};
},{"../utils/utils":7}],13:[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 .
*/
/**
* @file eth.js
* @author Marek Kotewicz
* @author Fabian Vogelsteller
* @date 2015
*/
/**
* Web3
*
* @module web3
*/
/**
* Eth methods and properties
*
* An example method object can look as follows:
*
* {
* name: 'getBlock',
* call: blockCall,
* params: 2,
* outputFormatter: formatters.outputBlockFormatter,
* inputFormatter: [ // can be a formatter funciton or an array of functions. Where each item in the array will be used for one parameter
* utils.toHex, // formats paramter 1
* function(param){ return !!param; } // formats paramter 2
* ]
* },
*
* @class [web3] eth
* @constructor
*/
"use strict";
var formatters = require('./formatters');
var utils = require('../utils/utils');
var Method = require('./method');
var Property = require('./property');
var blockCall = function (args) {
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? "eth_getBlockByHash" : "eth_getBlockByNumber";
};
var transactionFromBlockCall = function (args) {
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getTransactionByBlockHashAndIndex' : 'eth_getTransactionByBlockNumberAndIndex';
};
var uncleCall = function (args) {
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getUncleByBlockHashAndIndex' : 'eth_getUncleByBlockNumberAndIndex';
};
var getBlockTransactionCountCall = function (args) {
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getBlockTransactionCountByHash' : 'eth_getBlockTransactionCountByNumber';
};
var uncleCountCall = function (args) {
return (utils.isString(args[0]) && args[0].indexOf('0x') === 0) ? 'eth_getUncleCountByBlockHash' : 'eth_getUncleCountByBlockNumber';
};
/// @returns an array of objects describing web3.eth api methods
var getBalance = new Method({
name: 'getBalance',
call: 'eth_getBalance',
params: 2,
inputFormatter: [utils.toAddress, formatters.inputDefaultBlockNumberFormatter],
outputFormatter: formatters.outputBigNumberFormatter
});
var getStorageAt = new Method({
name: 'getStorageAt',
call: 'eth_getStorageAt',
params: 3,
inputFormatter: [null, utils.toHex, formatters.inputDefaultBlockNumberFormatter]
});
var getCode = new Method({
name: 'getCode',
call: 'eth_getCode',
params: 2,
inputFormatter: [utils.toAddress, formatters.inputDefaultBlockNumberFormatter]
});
var getBlock = new Method({
name: 'getBlock',
call: blockCall,
params: 2,
inputFormatter: [utils.toHex, function (val) { return !!val; }],
outputFormatter: formatters.outputBlockFormatter
});
var getUncle = new Method({
name: 'getUncle',
call: uncleCall,
params: 2,
inputFormatter: [utils.toHex, utils.toHex],
outputFormatter: formatters.outputBlockFormatter,
});
var getCompilers = new Method({
name: 'getCompilers',
call: 'eth_getCompilers',
params: 0
});
var getBlockTransactionCount = new Method({
name: 'getBlockTransactionCount',
call: getBlockTransactionCountCall,
params: 1,
inputFormatter: [formatters.inputBlockNumberFormatter],
outputFormatter: utils.toDecimal
});
var getBlockUncleCount = new Method({
name: 'getBlockUncleCount',
call: uncleCountCall,
params: 1,
inputFormatter: [formatters.inputBlockNumberFormatter],
outputFormatter: utils.toDecimal
});
var getTransaction = new Method({
name: 'getTransaction',
call: 'eth_getTransactionByHash',
params: 1,
outputFormatter: formatters.outputTransactionFormatter
});
var getTransactionFromBlock = new Method({
name: 'getTransactionFromBlock',
call: transactionFromBlockCall,
params: 2,
inputFormatter: [utils.toHex, utils.toHex],
outputFormatter: formatters.outputTransactionFormatter
});
var getTransactionCount = new Method({
name: 'getTransactionCount',
call: 'eth_getTransactionCount',
params: 2,
inputFormatter: [null, formatters.inputDefaultBlockNumberFormatter],
outputFormatter: utils.toDecimal
});
var sendTransaction = new Method({
name: 'sendTransaction',
call: 'eth_sendTransaction',
params: 1,
inputFormatter: [formatters.inputTransactionFormatter]
});
var call = new Method({
name: 'call',
call: 'eth_call',
params: 2,
inputFormatter: [formatters.inputTransactionFormatter, formatters.inputDefaultBlockNumberFormatter]
});
var compileSolidity = new Method({
name: 'compile.solidity',
call: 'eth_compileSolidity',
params: 1
});
var compileLLL = new Method({
name: 'compile.lll',
call: 'eth_compileLLL',
params: 1
});
var compileSerpent = new Method({
name: 'compile.serpent',
call: 'eth_compileSerpent',
params: 1
});
var flush = new Method({
name: 'flush',
call: 'eth_flush',
params: 0
});
var methods = [
getBalance,
getStorageAt,
getCode,
getBlock,
getUncle,
getCompilers,
getBlockTransactionCount,
getBlockUncleCount,
getTransaction,
getTransactionFromBlock,
getTransactionCount,
call,
sendTransaction,
compileSolidity,
compileLLL,
compileSerpent,
flush
];
/// @returns an array of objects describing web3.eth api properties
var properties = [
new Property({
name: 'coinbase',
getter: 'eth_coinbase'
}),
new Property({
name: 'mining',
getter: 'eth_mining'
}),
new Property({
name: 'gasPrice',
getter: 'eth_gasPrice',
outputFormatter: formatters.outputBigNumberFormatter
}),
new Property({
name: 'accounts',
getter: 'eth_accounts'
}),
new Property({
name: 'blockNumber',
getter: 'eth_blockNumber',
outputFormatter: utils.toDecimal
})
];
module.exports = {
methods: methods,
properties: properties
};
},{"../utils/utils":7,"./formatters":16,"./method":19,"./property":21}],14:[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 .
*/
/** @file event.js
* @authors:
* Marek Kotewicz
* @date 2014
*/
var abi = require('../solidity/abi');
var utils = require('../utils/utils');
var signature = require('./signature');
/// 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 '0x' + abi.formatInput(inputs, [value]);
});
};
var inputParser = function (address, sign, event) {
// valid options are 'earliest', 'latest', 'offset' and 'max', as defined for 'eth.filter'
return function (indexed, options) {
var o = options || {};
o.address = address;
o.topics = [];
o.topics.push(sign);
if (indexed) {
o.topics = o.topics.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 = indexedCopy.splice(0, 1)[0];
else
value = notIndexedCopy.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,
hash: output.hash,
args: {}
};
if (!output.topics) {
return result;
}
output.data = output.data || '';
var indexedOutputs = filterInputs(event.inputs, true);
var indexedData = "0x" + output.topics.slice(1, output.topics.length).map(function (topics) { return topics.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 sign = signature.eventSignatureFromAscii(events[i].name);
if (sign === payload.topics[0]) {
return events[i];
}
}
return undefined;
};
module.exports = {
inputParser: inputParser,
outputParser: outputParser,
getMatchingEvent: getMatchingEvent
};
},{"../solidity/abi":1,"../utils/utils":7,"./signature":25}],15:[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 .
*/
/** @file filter.js
* @authors:
* Jeffrey Wilcke
* Marek Kotewicz
* Marian Oancea
* Fabian Vogelsteller
* Gav Wood
* @date 2014
*/
var RequestManager = require('./requestmanager');
var formatters = require('./formatters');
var utils = require('../utils/utils');
/// This method should be called on options object, to verify deprecated properties && lazy load dynamic ones
/// @param should be string or object
/// @returns options string or object
var getOptions = function (options) {
if (utils.isString(options)) {
return options;
}
options = options || {};
// make sure topics, get converted to hex
options.topics = options.topics || [];
options.topics = options.topics.map(function(topic){
return utils.toHex(topic);
});
// lazy load
return {
topics: options.topics,
to: options.to,
address: options.address,
fromBlock: formatters.inputBlockNumberFormatter(options.fromBlock),
toBlock: formatters.inputBlockNumberFormatter(options.toBlock)
};
};
var Filter = function (options, methods, formatter) {
var implementation = {};
methods.forEach(function (method) {
method.attachToObject(implementation);
});
this.options = getOptions(options);
this.implementation = implementation;
this.callbacks = [];
this.formatter = formatter;
this.filterId = this.implementation.newFilter(this.options);
};
Filter.prototype.watch = function (callback) {
this.callbacks.push(callback);
var self = this;
var onMessage = function (error, messages) {
if (error) {
return self.callbacks.forEach(function (callback) {
callback(error);
});
}
messages.forEach(function (message) {
message = self.formatter ? self.formatter(message) : message;
self.callbacks.forEach(function (callback) {
callback(null, message);
});
});
};
// call getFilterLogs on start
if (!utils.isString(this.options)) {
this.get(function (err, messages) {
// don't send all the responses to all the watches again... just to this one
if (err) {
callback(err);
}
messages.forEach(function (message) {
callback(null, message);
});
});
}
RequestManager.getInstance().startPolling({
method: this.implementation.poll.call,
params: [this.filterId],
}, this.filterId, onMessage, this.stopWatching.bind(this));
};
Filter.prototype.stopWatching = function () {
RequestManager.getInstance().stopPolling(this.filterId);
this.implementation.uninstallFilter(this.filterId);
this.callbacks = [];
};
Filter.prototype.get = function (callback) {
var self = this;
if (utils.isFunction(callback)) {
this.implementation.getLogs(this.filterId, function(err, res){
if (err) {
callback(err);
} else {
callback(null, res.map(function (log) {
return self.formatter ? self.formatter(log) : log;
}));
}
});
} else {
var logs = this.implementation.getLogs(this.filterId);
return logs.map(function (log) {
return self.formatter ? self.formatter(log) : log;
});
}
};
module.exports = Filter;
},{"../utils/utils":7,"./formatters":16,"./requestmanager":23}],16:[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 .
*/
/**
* @file formatters.js
* @author Marek Kotewicz
* @author Fabian Vogelsteller
* @date 2015
*/
var utils = require('../utils/utils');
var config = require('../utils/config');
/**
* Should the format output to a big number
*
* @method outputBigNumberFormatter
* @param {String|Number|BigNumber}
* @returns {BigNumber} object
*/
var outputBigNumberFormatter = function (number) {
return utils.toBigNumber(number);
};
var isPredefinedBlockNumber = function (blockNumber) {
return blockNumber === 'latest' || blockNumber === 'pending' || blockNumber === 'earliest';
};
var inputDefaultBlockNumberFormatter = function (blockNumber) {
if (blockNumber === undefined) {
return config.ETH_DEFAULTBLOCK;
}
return inputBlockNumberFormatter(blockNumber);
};
var inputBlockNumberFormatter = function (blockNumber) {
if (blockNumber === undefined) {
return undefined;
} else if (isPredefinedBlockNumber(blockNumber)) {
return blockNumber;
}
return utils.toHex(blockNumber);
};
/**
* Formats the input of a transaction and converts all values to HEX
*
* @method inputTransactionFormatter
* @param {Object} transaction options
* @returns object
*/
var inputTransactionFormatter = function (options){
// make code -> data
if (options.code) {
options.data = options.code;
delete options.code;
}
['gasPrice', 'gas', 'value'].filter(function (key) {
return options[key] !== undefined;
}).forEach(function(key){
options[key] = utils.fromDecimal(options[key]);
});
return options;
};
/**
* Formats the output of a transaction to its proper values
*
* @method outputTransactionFormatter
* @param {Object} transaction
* @returns {Object} transaction
*/
var outputTransactionFormatter = function (tx){
tx.blockNumber = utils.toDecimal(tx.blockNumber);
tx.transactionIndex = utils.toDecimal(tx.transactionIndex);
tx.gas = utils.toDecimal(tx.gas);
tx.gasPrice = utils.toBigNumber(tx.gasPrice);
tx.value = utils.toBigNumber(tx.value);
return tx;
};
/**
* Formats the output of a block to its proper values
*
* @method outputBlockFormatter
* @param {Object} block object
* @returns {Object} block object
*/
var outputBlockFormatter = function(block) {
// transform to number
block.gasLimit = utils.toDecimal(block.gasLimit);
block.gasUsed = utils.toDecimal(block.gasUsed);
block.size = utils.toDecimal(block.size);
block.timestamp = utils.toDecimal(block.timestamp);
block.number = utils.toDecimal(block.number);
block.minGasPrice = utils.toBigNumber(block.minGasPrice);
block.difficulty = utils.toBigNumber(block.difficulty);
block.totalDifficulty = utils.toBigNumber(block.totalDifficulty);
if (utils.isArray(block.transactions)) {
block.transactions.forEach(function(item){
if(!utils.isString(item))
return outputTransactionFormatter(item);
});
}
return block;
};
/**
* Formats the output of a log
*
* @method outputLogFormatter
* @param {Object} log object
* @returns {Object} log
*/
var outputLogFormatter = function(log) {
if (log === null) { // 'pending' && 'latest' filters are nulls
return null;
}
log.blockNumber = utils.toDecimal(log.blockNumber);
log.transactionIndex = utils.toDecimal(log.transactionIndex);
log.logIndex = utils.toDecimal(log.logIndex);
return log;
};
/**
* Formats the input of a whisper post and converts all values to HEX
*
* @method inputPostFormatter
* @param {Object} transaction object
* @returns {Object}
*/
var inputPostFormatter = function(post) {
post.payload = utils.toHex(post.payload);
post.ttl = utils.fromDecimal(post.ttl);
post.priority = utils.fromDecimal(post.priority);
if(!utils.isArray(post.topics)) {
post.topics = [post.topics];
}
// format the following options
post.topics = post.topics.map(function(topic){
return utils.fromAscii(topic);
});
return post;
};
/**
* Formats the output of a received post message
*
* @method outputPostFormatter
* @param {Object}
* @returns {Object}
*/
var outputPostFormatter = function(post){
post.expiry = utils.toDecimal(post.expiry);
post.sent = utils.toDecimal(post.sent);
post.ttl = utils.toDecimal(post.ttl);
post.workProved = utils.toDecimal(post.workProved);
post.payloadRaw = post.payload;
post.payload = utils.toAscii(post.payload);
if (utils.isJson(post.payload)) {
post.payload = JSON.parse(post.payload);
}
// format the following options
post.topics = post.topics.map(function(topic){
return utils.toAscii(topic);
});
return post;
};
module.exports = {
inputDefaultBlockNumberFormatter: inputDefaultBlockNumberFormatter,
inputBlockNumberFormatter: inputBlockNumberFormatter,
inputTransactionFormatter: inputTransactionFormatter,
inputPostFormatter: inputPostFormatter,
outputBigNumberFormatter: outputBigNumberFormatter,
outputTransactionFormatter: outputTransactionFormatter,
outputBlockFormatter: outputBlockFormatter,
outputLogFormatter: outputLogFormatter,
outputPostFormatter: outputPostFormatter
};
},{"../utils/config":6,"../utils/utils":7}],17:[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 .
*/
/** @file httpprovider.js
* @authors:
* Marek Kotewicz
* Marian Oancea
* Fabian Vogelsteller
* @date 2014
*/
"use strict";
var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line
var errors = require('./errors');
var HttpProvider = function (host) {
this.host = host || 'http://localhost:8080';
};
HttpProvider.prototype.send = function (payload) {
var request = new XMLHttpRequest();
request.open('POST', this.host, false);
try {
request.send(JSON.stringify(payload));
} catch(error) {
throw errors.NoConnection(this.host);
}
// check request.status
// TODO: throw an error here! it cannot silently fail!!!
//if (request.status !== 200) {
//return;
//}
return JSON.parse(request.responseText);
};
HttpProvider.prototype.sendAsync = function (payload, callback) {
var request = new XMLHttpRequest();
request.onreadystatechange = function() {
if (request.readyState === 4) {
// TODO: handle the error properly here!!!
callback(null, JSON.parse(request.responseText));
}
};
request.open('POST', this.host, true);
try {
request.send(JSON.stringify(payload));
} catch(error) {
callback(errors.NoConnection(this.host));
}
};
module.exports = HttpProvider;
},{"./errors":12,"xmlhttprequest":5}],18:[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 .
*/
/** @file jsonrpc.js
* @authors:
* Marek Kotewicz
* @date 2015
*/
var Jsonrpc = function () {
// singleton pattern
if (arguments.callee._singletonInstance) {
return arguments.callee._singletonInstance;
}
arguments.callee._singletonInstance = this;
this.messageId = 1;
};
/**
* @return {Jsonrpc} singleton
*/
Jsonrpc.getInstance = function () {
var instance = new Jsonrpc();
return instance;
};
/**
* Should be called to valid json create payload object
*
* @method toPayload
* @param {Function} method of jsonrpc call, required
* @param {Array} params, an array of method params, optional
* @returns {Object} valid jsonrpc payload object
*/
Jsonrpc.prototype.toPayload = function (method, params) {
if (!method)
console.error('jsonrpc method should be specified!');
return {
jsonrpc: '2.0',
method: method,
params: params || [],
id: this.messageId++
};
};
/**
* Should be called to check if jsonrpc response is valid
*
* @method isValidResponse
* @param {Object}
* @returns {Boolean} true if response is valid, otherwise false
*/
Jsonrpc.prototype.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
*
* @method toBatchPayload
* @param {Array} messages, an array of objects with method (required) and params (optional) fields
* @returns {Array} batch payload
*/
Jsonrpc.prototype.toBatchPayload = function (messages) {
var self = this;
return messages.map(function (message) {
return self.toPayload(message.method, message.params);
});
};
module.exports = Jsonrpc;
},{}],19:[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 .
*/
/**
* @file method.js
* @author Marek Kotewicz
* @date 2015
*/
var RequestManager = require('./requestmanager');
var utils = require('../utils/utils');
var errors = require('./errors');
var Method = function (options) {
this.name = options.name;
this.call = options.call;
this.params = options.params || 0;
this.inputFormatter = options.inputFormatter;
this.outputFormatter = options.outputFormatter;
};
/**
* Should be used to determine name of the jsonrpc method based on arguments
*
* @method getCall
* @param {Array} arguments
* @return {String} name of jsonrpc method
*/
Method.prototype.getCall = function (args) {
return utils.isFunction(this.call) ? this.call(args) : this.call;
};
/**
* Should be used to extract callback from array of arguments. Modifies input param
*
* @method extractCallback
* @param {Array} arguments
* @return {Function|Null} callback, if exists
*/
Method.prototype.extractCallback = function (args) {
if (utils.isFunction(args[args.length - 1])) {
return args.pop(); // modify the args array!
}
return null;
};
/**
* Should be called to check if the number of arguments is correct
*
* @method validateArgs
* @param {Array} arguments
* @throws {Error} if it is not
*/
Method.prototype.validateArgs = function (args) {
if (args.length !== this.params) {
throw errors.InvalidNumberOfParams;
}
};
/**
* Should be called to format input args of method
*
* @method formatInput
* @param {Array}
* @return {Array}
*/
Method.prototype.formatInput = function (args) {
if (!this.inputFormatter) {
return args;
}
return this.inputFormatter.map(function (formatter, index) {
return formatter ? formatter(args[index]) : args[index];
});
};
/**
* Should be called to format output(result) of method
*
* @method formatOutput
* @param {Object}
* @return {Object}
*/
Method.prototype.formatOutput = function (result) {
return this.outputFormatter && result !== null ? this.outputFormatter(result) : result;
};
/**
* Should attach function to method
*
* @method attachToObject
* @param {Object}
* @param {Function}
*/
Method.prototype.attachToObject = function (obj) {
var func = this.send.bind(this);
func.call = this.call; // that's ugly. filter.js uses it
var name = this.name.split('.');
if (name.length > 1) {
obj[name[0]] = obj[name[0]] || {};
obj[name[0]][name[1]] = func;
} else {
obj[name[0]] = func;
}
};
/**
* Should create payload from given input args
*
* @method toPayload
* @param {Array} args
* @return {Object}
*/
Method.prototype.toPayload = function (args) {
var call = this.getCall(args);
var callback = this.extractCallback(args);
var params = this.formatInput(args);
this.validateArgs(params);
return {
method: call,
params: params,
callback: callback
};
};
/**
* Should send request to the API
*
* @method send
* @param list of params
* @return result
*/
Method.prototype.send = function () {
var payload = this.toPayload(Array.prototype.slice.call(arguments));
if (payload.callback) {
var self = this;
return RequestManager.getInstance().sendAsync(payload, function (err, result) {
payload.callback(null, self.formatOutput(result));
});
}
return this.formatOutput(RequestManager.getInstance().send(payload));
};
module.exports = Method;
},{"../utils/utils":7,"./errors":12,"./requestmanager":23}],20:[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 .
*/
/** @file eth.js
* @authors:
* Marek Kotewicz
* @date 2015
*/
var utils = require('../utils/utils');
var Property = require('./property');
/// @returns an array of objects describing web3.eth api methods
var methods = [
];
/// @returns an array of objects describing web3.eth api properties
var properties = [
new Property({
name: 'listening',
getter: 'net_listening'
}),
new Property({
name: 'peerCount',
getter: 'net_peerCount',
outputFormatter: utils.toDecimal
})
];
module.exports = {
methods: methods,
properties: properties
};
},{"../utils/utils":7,"./property":21}],21:[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 .
*/
/**
* @file property.js
* @author Fabian Vogelsteller
* @author Marek Kotewicz
* @date 2015
*/
var RequestManager = require('./requestmanager');
var Property = function (options) {
this.name = options.name;
this.getter = options.getter;
this.setter = options.setter;
this.outputFormatter = options.outputFormatter;
this.inputFormatter = options.inputFormatter;
};
/**
* Should be called to format input args of method
*
* @method formatInput
* @param {Array}
* @return {Array}
*/
Property.prototype.formatInput = function (arg) {
return this.inputFormatter ? this.inputFormatter(arg) : arg;
};
/**
* Should be called to format output(result) of method
*
* @method formatOutput
* @param {Object}
* @return {Object}
*/
Property.prototype.formatOutput = function (result) {
return this.outputFormatter && result !== null ? this.outputFormatter(result) : result;
};
/**
* Should attach function to method
*
* @method attachToObject
* @param {Object}
* @param {Function}
*/
Property.prototype.attachToObject = function (obj) {
var proto = {
get: this.get.bind(this),
set: this.set.bind(this)
};
var name = this.name.split('.');
if (name.length > 1) {
obj[name[0]] = obj[name[0]] || {};
Object.defineProperty(obj[name[0]], name[1], proto);
} else {
Object.defineProperty(obj, name[0], proto);
}
};
/**
* Should be used to get value of the property
*
* @method get
* @return {Object} value of the property
*/
Property.prototype.get = function () {
return this.formatOutput(RequestManager.getInstance().send({
method: this.getter
}));
};
/**
* Should be used to set value of the property
*
* @method set
* @param {Object} new value of the property
*/
Property.prototype.set = function (value) {
return RequestManager.getInstance().send({
method: this.setter,
params: [this.formatInput(value)]
});
};
module.exports = Property;
},{"./requestmanager":23}],22:[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 .
*/
/** @file qtsync.js
* @authors:
* Marek Kotewicz
* Marian Oancea
* @date 2014
*/
var QtSyncProvider = function () {
};
QtSyncProvider.prototype.send = function (payload) {
var result = navigator.qt.callMethod(JSON.stringify(payload));
return JSON.parse(result);
};
module.exports = QtSyncProvider;
},{}],23:[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 .
*/
/**
* @file requestmanager.js
* @author Jeffrey Wilcke
* @author Marek Kotewicz
* @author Marian Oancea
* @author Fabian Vogelsteller
* @author Gav Wood
* @date 2014
*/
var Jsonrpc = require('./jsonrpc');
var utils = require('../utils/utils');
var c = require('../utils/config');
var errors = require('./errors');
/**
* It's responsible for passing messages to providers
* It's also responsible for polling the ethereum node for incoming messages
* Default poll timeout is 1 second
* Singleton
*/
var RequestManager = function (provider) {
// singleton pattern
if (arguments.callee._singletonInstance) {
return arguments.callee._singletonInstance;
}
arguments.callee._singletonInstance = this;
this.provider = provider;
this.polls = [];
this.timeout = null;
this.poll();
};
/**
* @return {RequestManager} singleton
*/
RequestManager.getInstance = function () {
var instance = new RequestManager();
return instance;
};
/**
* Should be used to synchronously send request
*
* @method send
* @param {Object} data
* @return {Object}
*/
RequestManager.prototype.send = function (data) {
if (!this.provider) {
console.error(errors.InvalidProvider);
return null;
}
var payload = Jsonrpc.getInstance().toPayload(data.method, data.params);
var result = this.provider.send(payload);
if (!Jsonrpc.getInstance().isValidResponse(result)) {
throw errors.InvalidResponse(result);
}
return result.result;
};
/**
* Should be used to asynchronously send request
*
* @method sendAsync
* @param {Object} data
* @param {Function} callback
*/
RequestManager.prototype.sendAsync = function (data, callback) {
if (!this.provider) {
return callback(errors.InvalidProvider);
}
var payload = Jsonrpc.getInstance().toPayload(data.method, data.params);
this.provider.sendAsync(payload, function (err, result) {
if (err) {
return callback(err);
}
if (!Jsonrpc.getInstance().isValidResponse(result)) {
return callback(errors.InvalidResponse(result));
}
callback(null, result.result);
});
};
/**
* Should be used to set provider of request manager
*
* @method setProvider
* @param {Object}
*/
RequestManager.prototype.setProvider = function (p) {
this.provider = p;
};
/*jshint maxparams:4 */
/**
* Should be used to start polling
*
* @method startPolling
* @param {Object} data
* @param {Number} pollId
* @param {Function} callback
* @param {Function} uninstall
*
* @todo cleanup number of params
*/
RequestManager.prototype.startPolling = function (data, pollId, callback, uninstall) {
this.polls.push({data: data, id: pollId, callback: callback, uninstall: uninstall});
};
/*jshint maxparams:3 */
/**
* Should be used to stop polling for filter with given id
*
* @method stopPolling
* @param {Number} pollId
*/
RequestManager.prototype.stopPolling = function (pollId) {
for (var i = this.polls.length; i--;) {
var poll = this.polls[i];
if (poll.id === pollId) {
this.polls.splice(i, 1);
}
}
};
/**
* Should be called to reset polling mechanism of request manager
*
* @method reset
*/
RequestManager.prototype.reset = function () {
this.polls.forEach(function (poll) {
poll.uninstall(poll.id);
});
this.polls = [];
if (this.timeout) {
clearTimeout(this.timeout);
this.timeout = null;
}
this.poll();
};
/**
* Should be called to poll for changes on filter with given id
*
* @method poll
*/
RequestManager.prototype.poll = function () {
this.timeout = setTimeout(this.poll.bind(this), c.ETH_POLLING_TIMEOUT);
if (!this.polls.length) {
return;
}
if (!this.provider) {
console.error(errors.InvalidProvider);
return;
}
var payload = Jsonrpc.getInstance().toBatchPayload(this.polls.map(function (data) {
return data.data;
}));
var self = this;
this.provider.sendAsync(payload, function (error, results) {
// TODO: console log?
if (error) {
return;
}
if (!utils.isArray(results)) {
throw errors.InvalidResponse(results);
}
results.map(function (result, index) {
result.callback = self.polls[index].callback;
return result;
}).filter(function (result) {
var valid = Jsonrpc.getInstance().isValidResponse(result);
if (!valid) {
result.callback(errors.InvalidResponse(result));
}
return valid;
}).filter(function (result) {
return utils.isArray(result.result) && result.result.length > 0;
}).forEach(function (result) {
result.callback(null, result.result);
});
});
};
module.exports = RequestManager;
},{"../utils/config":6,"../utils/utils":7,"./errors":12,"./jsonrpc":18}],24:[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 .
*/
/** @file shh.js
* @authors:
* Marek Kotewicz
* @date 2015
*/
var Method = require('./method');
var formatters = require('./formatters');
var post = new Method({
name: 'post',
call: 'shh_post',
params: 1,
inputFormatter: formatters.inputPostFormatter
});
var newIdentity = new Method({
name: 'newIdentity',
call: 'shh_newIdentity',
params: 0
});
var hasIdentity = new Method({
name: 'hasIdentity',
call: 'shh_hasIdentity',
params: 1
});
var newGroup = new Method({
name: 'newGroup',
call: 'shh_newGroup',
params: 0
});
var addToGroup = new Method({
name: 'addToGroup',
call: 'shh_addToGroup',
params: 0
});
var methods = [
post,
newIdentity,
hasIdentity,
newGroup,
addToGroup
];
module.exports = {
methods: methods
};
},{"./formatters":16,"./method":19}],25:[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 .
*/
/** @file signature.js
* @authors:
* Marek Kotewicz
* @date 2015
*/
var web3 = require('../web3');
var c = require('../utils/config');
/// @param function name for which we want to get signature
/// @returns signature of function with given name
var functionSignatureFromAscii = function (name) {
return web3.sha3(web3.fromAscii(name)).slice(0, 2 + c.ETH_SIGNATURE_LENGTH * 2);
};
/// @param event name for which we want to get signature
/// @returns signature of event with given name
var eventSignatureFromAscii = function (name) {
return web3.sha3(web3.fromAscii(name));
};
module.exports = {
functionSignatureFromAscii: functionSignatureFromAscii,
eventSignatureFromAscii: eventSignatureFromAscii
};
},{"../utils/config":6,"../web3":9}],26:[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 .
*/
/** @file watches.js
* @authors:
* Marek Kotewicz
* @date 2015
*/
var Method = require('./method');
/// @returns an array of objects describing web3.eth.filter api methods
var eth = function () {
var newFilterCall = function (args) {
return typeof args[0] === 'string' ? 'eth_newBlockFilter' : 'eth_newFilter';
};
var newFilter = new Method({
name: 'newFilter',
call: newFilterCall,
params: 1
});
var uninstallFilter = new Method({
name: 'uninstallFilter',
call: 'eth_uninstallFilter',
params: 1
});
var getLogs = new Method({
name: 'getLogs',
call: 'eth_getFilterLogs',
params: 1
});
var poll = new Method({
name: 'poll',
call: 'eth_getFilterChanges',
params: 1
});
return [
newFilter,
uninstallFilter,
getLogs,
poll
];
};
/// @returns an array of objects describing web3.shh.watch api methods
var shh = function () {
var newFilter = new Method({
name: 'newFilter',
call: 'shh_newFilter',
params: 1
});
var uninstallFilter = new Method({
name: 'uninstallFilter',
call: 'shh_uninstallFilter',
params: 1
});
var getLogs = new Method({
name: 'getLogs',
call: 'shh_getMessages',
params: 1
});
var poll = new Method({
name: 'poll',
call: 'shh_getFilterChanges',
params: 1
});
return [
newFilter,
uninstallFilter,
getLogs,
poll
];
};
module.exports = {
eth: eth,
shh: shh
};
},{"./method":19}],27:[function(require,module,exports){
},{}],"bignumber.js":[function(require,module,exports){
'use strict';
module.exports = BigNumber; // jshint ignore:line
},{}],"web3":[function(require,module,exports){
var web3 = require('./lib/web3');
web3.providers.HttpProvider = require('./lib/web3/httpprovider');
web3.providers.QtSyncProvider = require('./lib/web3/qtsync');
web3.eth.contract = require('./lib/web3/contract');
web3.abi = require('./lib/solidity/abi');
// dont override global variable
if (typeof window !== 'undefined' && typeof window.web3 === 'undefined') {
window.web3 = web3;
}
module.exports = web3;
},{"./lib/solidity/abi":1,"./lib/web3":9,"./lib/web3/contract":10,"./lib/web3/httpprovider":17,"./lib/web3/qtsync":22}]},{},["web3"])
//# sourceMappingURL=web3-light.js.map