1328 lines
42 KiB
JavaScript
1328 lines
42 KiB
JavaScript
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<r.length;o++)s(r[o]);return s})({1:[function(require,module,exports){
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/*
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This file is part of ethereum.js.
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ethereum.js is free software: you can redistribute it and/or modify
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it under the terms of the GNU Lesser General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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ethereum.js is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public License
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along with ethereum.js. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file abi.js
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* @authors:
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* Marek Kotewicz <marek@ethdev.com>
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* Gav Wood <g@ethdev.com>
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* @date 2014
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*/
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// TODO: is these line is supposed to be here?
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if ("build" !== 'build') {/*
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var BigNumber = require('bignumber.js'); // jshint ignore:line
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*/}
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var web3 = require('./web3'); // jshint ignore:line
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BigNumber.config({ ROUNDING_MODE: BigNumber.ROUND_DOWN });
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var ETH_PADDING = 32;
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/// method signature length in bytes
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var ETH_METHOD_SIGNATURE_LENGTH = 4;
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/// Finds first index of array element matching pattern
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/// @param array
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/// @param callback pattern
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/// @returns index of element
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var findIndex = function (array, callback) {
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var end = false;
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var i = 0;
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for (; i < array.length && !end; i++) {
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end = callback(array[i]);
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}
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return end ? i - 1 : -1;
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};
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/// @returns a function that is used as a pattern for 'findIndex'
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var findMethodIndex = function (json, methodName) {
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return findIndex(json, function (method) {
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return method.name === methodName;
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});
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};
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/// @returns method with given method name
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var getMethodWithName = function (json, methodName) {
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var index = findMethodIndex(json, methodName);
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if (index === -1) {
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console.error('method ' + methodName + ' not found in the abi');
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return undefined;
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}
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return json[index];
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};
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/// Filters all function from input abi
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/// @returns abi array with filtered objects of type 'function'
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var filterFunctions = function (json) {
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return json.filter(function (current) {
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return current.type === 'function';
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});
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};
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/// Filters all events form input abi
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/// @returns abi array with filtered objects of type 'event'
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var filterEvents = function (json) {
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return json.filter(function (current) {
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return current.type === 'event';
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});
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};
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/// @param string string to be padded
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/// @param number of characters that result string should have
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/// @param sign, by default 0
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/// @returns right aligned string
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var padLeft = function (string, chars, sign) {
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return new Array(chars - string.length + 1).join(sign ? sign : "0") + string;
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};
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/// @param expected type prefix (string)
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/// @returns function which checks if type has matching prefix. if yes, returns true, otherwise false
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var prefixedType = function (prefix) {
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return function (type) {
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return type.indexOf(prefix) === 0;
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};
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};
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/// @param expected type name (string)
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/// @returns function which checks if type is matching expected one. if yes, returns true, otherwise false
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var namedType = function (name) {
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return function (type) {
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return name === type;
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};
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};
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var arrayType = function (type) {
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return type.slice(-2) === '[]';
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};
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/// Formats input value to byte representation of int
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/// If value is negative, return it's two's complement
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/// If the value is floating point, round it down
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/// @returns right-aligned byte representation of int
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var formatInputInt = function (value) {
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var padding = ETH_PADDING * 2;
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if (value instanceof BigNumber || typeof value === 'number') {
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if (typeof value === 'number')
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value = new BigNumber(value);
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value = value.round();
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if (value.lessThan(0))
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value = new BigNumber("ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff", 16).plus(value).plus(1);
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value = value.toString(16);
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}
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else if (value.indexOf('0x') === 0)
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value = value.substr(2);
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else if (typeof value === 'string')
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value = formatInputInt(new BigNumber(value));
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else
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value = (+value).toString(16);
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return padLeft(value, padding);
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};
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/// Formats input value to byte representation of string
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/// @returns left-algined byte representation of string
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var formatInputString = function (value) {
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return web3.fromAscii(value, ETH_PADDING).substr(2);
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};
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/// Formats input value to byte representation of bool
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/// @returns right-aligned byte representation bool
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var formatInputBool = function (value) {
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return '000000000000000000000000000000000000000000000000000000000000000' + (value ? '1' : '0');
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};
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/// Formats input value to byte representation of real
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/// Values are multiplied by 2^m and encoded as integers
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/// @returns byte representation of real
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var formatInputReal = function (value) {
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return formatInputInt(new BigNumber(value).times(new BigNumber(2).pow(128)));
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};
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var dynamicTypeBytes = function (type, value) {
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// TODO: decide what to do with array of strings
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if (arrayType(type) || type === 'string') // only string itself that is dynamic; stringX is static length.
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return formatInputInt(value.length);
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return "";
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};
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/// Setups input formatters for solidity types
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/// @returns an array of input formatters
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var setupInputTypes = function () {
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return [
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{ type: prefixedType('uint'), format: formatInputInt },
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{ type: prefixedType('int'), format: formatInputInt },
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{ type: prefixedType('hash'), format: formatInputInt },
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{ type: prefixedType('string'), format: formatInputString },
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{ type: prefixedType('real'), format: formatInputReal },
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{ type: prefixedType('ureal'), format: formatInputReal },
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{ type: namedType('address'), format: formatInputInt },
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{ type: namedType('bool'), format: formatInputBool }
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];
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};
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var inputTypes = setupInputTypes();
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/// Formats input params to bytes
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/// @param contract json abi
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/// @param name of the method that we want to use
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/// @param array of params that will be formatted to bytes
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/// @returns bytes representation of input params
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var toAbiInput = function (json, methodName, params) {
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var bytes = "";
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var method = getMethodWithName(json, methodName);
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var padding = ETH_PADDING * 2;
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/// first we iterate in search for dynamic
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method.inputs.forEach(function (input, index) {
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bytes += dynamicTypeBytes(input.type, params[index]);
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});
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method.inputs.forEach(function (input, i) {
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var typeMatch = false;
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for (var j = 0; j < inputTypes.length && !typeMatch; j++) {
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typeMatch = inputTypes[j].type(method.inputs[i].type, params[i]);
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}
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if (!typeMatch) {
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console.error('input parser does not support type: ' + method.inputs[i].type);
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}
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var formatter = inputTypes[j - 1].format;
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var toAppend = "";
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if (arrayType(method.inputs[i].type))
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toAppend = params[i].reduce(function (acc, curr) {
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return acc + formatter(curr);
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}, "");
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else
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toAppend = formatter(params[i]);
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bytes += toAppend;
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});
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return bytes;
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};
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/// Check if input value is negative
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/// @param value is hex format
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/// @returns true if it is negative, otherwise false
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var signedIsNegative = function (value) {
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return (new BigNumber(value.substr(0, 1), 16).toString(2).substr(0, 1)) === '1';
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};
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/// Formats input right-aligned input bytes to int
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/// @returns right-aligned input bytes formatted to int
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var formatOutputInt = function (value) {
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value = value || "0";
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// check if it's negative number
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// it it is, return two's complement
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if (signedIsNegative(value)) {
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return new BigNumber(value, 16).minus(new BigNumber('ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff', 16)).minus(1);
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}
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return new BigNumber(value, 16);
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};
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/// Formats big right-aligned input bytes to uint
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/// @returns right-aligned input bytes formatted to uint
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var formatOutputUInt = function (value) {
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value = value || "0";
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return new BigNumber(value, 16);
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};
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/// @returns input bytes formatted to real
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var formatOutputReal = function (value) {
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return formatOutputInt(value).dividedBy(new BigNumber(2).pow(128));
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};
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/// @returns input bytes formatted to ureal
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var formatOutputUReal = function (value) {
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return formatOutputUInt(value).dividedBy(new BigNumber(2).pow(128));
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};
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/// @returns right-aligned input bytes formatted to hex
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var formatOutputHash = function (value) {
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return "0x" + value;
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};
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/// @returns right-aligned input bytes formatted to bool
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var formatOutputBool = function (value) {
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return value === '0000000000000000000000000000000000000000000000000000000000000001' ? true : false;
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};
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/// @returns left-aligned input bytes formatted to ascii string
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var formatOutputString = function (value) {
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return web3.toAscii(value);
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};
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/// @returns right-aligned input bytes formatted to address
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var formatOutputAddress = function (value) {
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return "0x" + value.slice(value.length - 40, value.length);
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};
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var dynamicBytesLength = function (type) {
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if (arrayType(type) || type === 'string') // only string itself that is dynamic; stringX is static length.
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return ETH_PADDING * 2;
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return 0;
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};
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/// Setups output formaters for solidity types
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/// @returns an array of output formatters
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var setupOutputTypes = function () {
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return [
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{ type: prefixedType('uint'), format: formatOutputUInt },
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{ type: prefixedType('int'), format: formatOutputInt },
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{ type: prefixedType('hash'), format: formatOutputHash },
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{ type: prefixedType('string'), format: formatOutputString },
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{ type: prefixedType('real'), format: formatOutputReal },
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{ type: prefixedType('ureal'), format: formatOutputUReal },
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{ type: namedType('address'), format: formatOutputAddress },
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{ type: namedType('bool'), format: formatOutputBool }
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];
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};
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var outputTypes = setupOutputTypes();
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/// Formats output bytes back to param list
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/// @param contract json abi
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/// @param name of the method that we want to use
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/// @param bytes representtion of output
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/// @returns array of output params
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var fromAbiOutput = function (json, methodName, output) {
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output = output.slice(2);
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var result = [];
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var method = getMethodWithName(json, methodName);
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var padding = ETH_PADDING * 2;
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var dynamicPartLength = method.outputs.reduce(function (acc, curr) {
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return acc + dynamicBytesLength(curr.type);
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}, 0);
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var dynamicPart = output.slice(0, dynamicPartLength);
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output = output.slice(dynamicPartLength);
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method.outputs.forEach(function (out, i) {
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var typeMatch = false;
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for (var j = 0; j < outputTypes.length && !typeMatch; j++) {
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typeMatch = outputTypes[j].type(method.outputs[i].type);
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}
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if (!typeMatch) {
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console.error('output parser does not support type: ' + method.outputs[i].type);
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}
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var formatter = outputTypes[j - 1].format;
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if (arrayType(method.outputs[i].type)) {
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var size = formatOutputUInt(dynamicPart.slice(0, padding));
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dynamicPart = dynamicPart.slice(padding);
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var array = [];
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for (var k = 0; k < size; k++) {
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array.push(formatter(output.slice(0, padding)));
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output = output.slice(padding);
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}
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result.push(array);
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}
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else if (prefixedType('string')(method.outputs[i].type)) {
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dynamicPart = dynamicPart.slice(padding);
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result.push(formatter(output.slice(0, padding)));
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output = output.slice(padding);
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} else {
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result.push(formatter(output.slice(0, padding)));
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output = output.slice(padding);
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}
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});
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return result;
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};
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/// @returns display name for method eg. multiply(uint256) -> multiply
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var methodDisplayName = function (method) {
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var length = method.indexOf('(');
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return length !== -1 ? method.substr(0, length) : method;
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};
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/// @returns overloaded part of method's name
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var methodTypeName = function (method) {
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/// TODO: make it not vulnerable
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var length = method.indexOf('(');
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return length !== -1 ? method.substr(length + 1, method.length - 1 - (length + 1)) : "";
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};
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/// @param json abi for contract
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/// @returns input parser object for given json abi
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var inputParser = function (json) {
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var parser = {};
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filterFunctions(json).forEach(function (method) {
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var displayName = methodDisplayName(method.name);
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var typeName = methodTypeName(method.name);
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var impl = function () {
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var params = Array.prototype.slice.call(arguments);
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return toAbiInput(json, method.name, params);
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};
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if (parser[displayName] === undefined) {
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parser[displayName] = impl;
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}
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parser[displayName][typeName] = impl;
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});
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return parser;
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};
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/// @param json abi for contract
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/// @returns output parser for given json abi
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var outputParser = function (json) {
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var parser = {};
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filterFunctions(json).forEach(function (method) {
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var displayName = methodDisplayName(method.name);
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var typeName = methodTypeName(method.name);
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var impl = function (output) {
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return fromAbiOutput(json, method.name, output);
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};
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if (parser[displayName] === undefined) {
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parser[displayName] = impl;
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}
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parser[displayName][typeName] = impl;
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});
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return parser;
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};
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/// @param method name for which we want to get method signature
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/// @returns (promise) contract method signature for method with given name
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var methodSignature = function (name) {
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return web3.sha3(web3.fromAscii(name)).slice(0, 2 + ETH_METHOD_SIGNATURE_LENGTH * 2);
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};
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module.exports = {
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inputParser: inputParser,
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outputParser: outputParser,
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methodSignature: methodSignature,
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methodDisplayName: methodDisplayName,
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methodTypeName: methodTypeName,
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getMethodWithName: getMethodWithName,
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filterFunctions: filterFunctions,
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filterEvents: filterEvents
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};
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},{"./web3":8}],2:[function(require,module,exports){
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|
/*
|
|
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 contract.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
var web3 = require('./web3');
|
|
var abi = require('./abi');
|
|
var eventImpl = require('./event');
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|
|
|
var addFunctionRelatedPropertiesToContract = function (contract) {
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|
|
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contract.call = function (options) {
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contract._isTransact = false;
|
|
contract._options = options;
|
|
return contract;
|
|
};
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|
|
|
contract.transact = function (options) {
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|
contract._isTransact = true;
|
|
contract._options = options;
|
|
return contract;
|
|
};
|
|
|
|
contract._options = {};
|
|
['gas', 'gasPrice', 'value', 'from'].forEach(function(p) {
|
|
contract[p] = function (v) {
|
|
contract._options[p] = v;
|
|
return contract;
|
|
};
|
|
});
|
|
|
|
};
|
|
|
|
var addFunctionsToContract = function (contract, desc, address) {
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|
var inputParser = abi.inputParser(desc);
|
|
var outputParser = abi.outputParser(desc);
|
|
|
|
// create contract functions
|
|
abi.filterFunctions(desc).forEach(function (method) {
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|
|
|
var displayName = abi.methodDisplayName(method.name);
|
|
var typeName = abi.methodTypeName(method.name);
|
|
|
|
var impl = function () {
|
|
var params = Array.prototype.slice.call(arguments);
|
|
var signature = abi.methodSignature(method.name);
|
|
var parsed = inputParser[displayName][typeName].apply(null, params);
|
|
|
|
var options = contract._options || {};
|
|
options.to = address;
|
|
options.data = signature + parsed;
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|
|
|
var isTransact = contract._isTransact === true || (contract._isTransact !== false && !method.constant);
|
|
var collapse = options.collapse !== false;
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|
|
|
// reset
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|
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;
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|
|
|
// transactions do not have any output, cause we do not know, when they will be processed
|
|
web3.eth.transact(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;
|
|
|
|
Object.defineProperty(contract, 'topic', {
|
|
get: function() {
|
|
return abi.filterEvents(desc).map(function (e) {
|
|
return abi.methodSignature(e.name);
|
|
});
|
|
}
|
|
});
|
|
|
|
};
|
|
|
|
var addEventsToContract = function (contract, desc, address) {
|
|
// create contract events
|
|
abi.filterEvents(desc).forEach(function (e) {
|
|
|
|
var impl = function () {
|
|
var params = Array.prototype.slice.call(arguments);
|
|
var signature = abi.methodSignature(e.name);
|
|
var event = eventImpl(address, signature);
|
|
var o = event.apply(null, params);
|
|
return web3.eth.watch(o);
|
|
};
|
|
|
|
impl.address = address;
|
|
|
|
Object.defineProperty(impl, 'topic', {
|
|
get: function() {
|
|
return [abi.methodSignature(e.name)];
|
|
}
|
|
});
|
|
|
|
// TODO: rename these methods, cause they are used not only for methods
|
|
var displayName = abi.methodDisplayName(e.name);
|
|
var typeName = abi.methodTypeName(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,"./event":3,"./web3":8}],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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file event.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
var implementationOfEvent = function (address, signature) {
|
|
|
|
return function (options) {
|
|
var o = options || {};
|
|
o.address = o.address || address;
|
|
o.topics = o.topics || [];
|
|
o.topics.push(signature);
|
|
return o;
|
|
};
|
|
};
|
|
|
|
module.exports = implementationOfEvent;
|
|
|
|
|
|
},{}],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 filter.js
|
|
* @authors:
|
|
* Jeffrey Wilcke <jeff@ethdev.com>
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* Marian Oancea <marian@ethdev.com>
|
|
* Gav Wood <g@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
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
|
|
var Filter = function(options, impl) {
|
|
this.impl = impl;
|
|
this.callbacks = [];
|
|
|
|
if (typeof options !== "string") {
|
|
// evaluate lazy properties
|
|
if (options.topics) {
|
|
console.warn('"topics" is deprecated, use "topic" instead');
|
|
}
|
|
|
|
options = {
|
|
to: options.to,
|
|
topic: options.topic,
|
|
earliest: options.earliest,
|
|
latest: options.latest,
|
|
max: options.max,
|
|
skip: options.skip,
|
|
address: options.address
|
|
};
|
|
}
|
|
|
|
this.id = impl.newFilter(options);
|
|
web3.provider.startPolling({call: impl.changed, args: [this.id]}, this.id, this.trigger.bind(this));
|
|
};
|
|
|
|
/// alias for changed*
|
|
Filter.prototype.arrived = function(callback) {
|
|
this.changed(callback);
|
|
};
|
|
|
|
/// gets called when there is new eth/shh message
|
|
Filter.prototype.changed = function(callback) {
|
|
this.callbacks.push(callback);
|
|
};
|
|
|
|
/// trigger calling new message from people
|
|
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]);
|
|
}
|
|
}
|
|
};
|
|
|
|
/// should be called to uninstall current filter
|
|
Filter.prototype.uninstall = function() {
|
|
this.impl.uninstallFilter(this.id);
|
|
web3.provider.stopPolling(this.id);
|
|
};
|
|
|
|
/// should be called to manually trigger getting latest messages from the client
|
|
Filter.prototype.messages = function() {
|
|
return this.impl.getMessages(this.id);
|
|
};
|
|
|
|
/// alias for messages
|
|
Filter.prototype.logs = function () {
|
|
return this.messages();
|
|
};
|
|
|
|
module.exports = Filter;
|
|
|
|
},{"./web3":8}],5:[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 httpsync.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* Marian Oancea <marian@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
if ("build" !== 'build') {/*
|
|
var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest; // jshint ignore:line
|
|
*/}
|
|
|
|
var HttpSyncProvider = function (host) {
|
|
this.handlers = [];
|
|
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 request = new XMLHttpRequest();
|
|
request.open('POST', this.host, false);
|
|
request.send(JSON.stringify(data));
|
|
|
|
// check request.status
|
|
return request.responseText;
|
|
};
|
|
|
|
module.exports = HttpSyncProvider;
|
|
|
|
|
|
},{}],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 providermanager.js
|
|
* @authors:
|
|
* Jeffrey Wilcke <jeff@ethdev.com>
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* Marian Oancea <marian@ethdev.com>
|
|
* Gav Wood <g@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
var web3 = require('./web3'); // jshint ignore:line
|
|
|
|
/**
|
|
* Provider manager object prototype
|
|
* It's responsible for passing messages to providers
|
|
* If no provider is set it's responsible for queuing requests
|
|
* It's also responsible for polling the ethereum node for incoming messages
|
|
* Default poll timeout is 12 seconds
|
|
* If we are running ethereum.js inside ethereum browser, there are backend based tools responsible for polling,
|
|
* and provider manager polling mechanism is not used
|
|
*/
|
|
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);
|
|
|
|
// dont call the callback if result is not an array, or empty one
|
|
if (result.error || !(result.result instanceof Array) || result.result.length === 0) {
|
|
return;
|
|
}
|
|
|
|
data.callback(result.result);
|
|
});
|
|
}
|
|
setTimeout(poll, 1000);
|
|
};
|
|
poll();
|
|
};
|
|
|
|
/// sends outgoing requests
|
|
ProviderManager.prototype.send = function(data) {
|
|
|
|
data.args = data.args || [];
|
|
data._id = this.id++;
|
|
|
|
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);
|
|
|
|
if (result.error) {
|
|
console.log(result.error);
|
|
return null;
|
|
}
|
|
|
|
return result.result;
|
|
};
|
|
|
|
/// setups provider, which will be used for sending messages
|
|
ProviderManager.prototype.set = function(provider) {
|
|
this.provider = provider;
|
|
};
|
|
|
|
/// this method is only used, when we do not have native qt bindings and have to do polling on our own
|
|
/// should be callled, on start watching for eth/shh changes
|
|
ProviderManager.prototype.startPolling = function (data, pollId, callback) {
|
|
this.polls.push({data: data, id: pollId, callback: callback});
|
|
};
|
|
|
|
/// should be called to stop polling for certain watch changes
|
|
ProviderManager.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);
|
|
}
|
|
}
|
|
};
|
|
|
|
module.exports = ProviderManager;
|
|
|
|
|
|
},{"./web3":8}],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 <http://www.gnu.org/licenses/>.
|
|
*/
|
|
/** @file qtsync.js
|
|
* @authors:
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* Marian Oancea <marian@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
var QtSyncProvider = function () {
|
|
};
|
|
|
|
QtSyncProvider.prototype.send = function (payload) {
|
|
return navigator.qt.callMethod(JSON.stringify(payload));
|
|
};
|
|
|
|
module.exports = QtSyncProvider;
|
|
|
|
|
|
},{}],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 web3.js
|
|
* @authors:
|
|
* Jeffrey Wilcke <jeff@ethdev.com>
|
|
* Marek Kotewicz <marek@ethdev.com>
|
|
* Marian Oancea <marian@ethdev.com>
|
|
* Gav Wood <g@ethdev.com>
|
|
* @date 2014
|
|
*/
|
|
|
|
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'
|
|
];
|
|
|
|
/// @returns an array of objects describing web3 api methods
|
|
var web3Methods = function () {
|
|
return [
|
|
{ name: 'sha3', call: 'web3_sha3' }
|
|
];
|
|
};
|
|
|
|
/// @returns an array of objects describing web3.eth api methods
|
|
var ethMethods = function () {
|
|
var blockCall = function (args) {
|
|
return typeof args[0] === "string" ? "eth_blockByHash" : "eth_blockByNumber";
|
|
};
|
|
|
|
var transactionCall = function (args) {
|
|
return typeof args[0] === "string" ? 'eth_transactionByHash' : 'eth_transactionByNumber';
|
|
};
|
|
|
|
var uncleCall = function (args) {
|
|
return typeof args[0] === "string" ? 'eth_uncleByHash' : 'eth_uncleByNumber';
|
|
};
|
|
|
|
var methods = [
|
|
{ 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: blockCall },
|
|
{ name: 'transaction', call: transactionCall },
|
|
{ name: 'uncle', call: uncleCall },
|
|
{ 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 methods;
|
|
};
|
|
|
|
/// @returns an array of objects describing web3.eth api properties
|
|
var ethProperties = 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'}
|
|
];
|
|
};
|
|
|
|
/// @returns an array of objects describing web3.db api methods
|
|
var dbMethods = function () {
|
|
return [
|
|
{ name: 'put', call: 'db_put' },
|
|
{ name: 'get', call: 'db_get' },
|
|
{ name: 'putString', call: 'db_putString' },
|
|
{ name: 'getString', call: 'db_getString' }
|
|
];
|
|
};
|
|
|
|
/// @returns an array of objects describing web3.shh api methods
|
|
var shhMethods = 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' }
|
|
];
|
|
};
|
|
|
|
/// @returns an array of objects describing web3.eth.watch api methods
|
|
var ethWatchMethods = function () {
|
|
var newFilter = function (args) {
|
|
return typeof args[0] === 'string' ? 'eth_newFilterString' : 'eth_newFilter';
|
|
};
|
|
|
|
return [
|
|
{ name: 'newFilter', call: newFilter },
|
|
{ name: 'uninstallFilter', call: 'eth_uninstallFilter' },
|
|
{ name: 'getMessages', call: 'eth_filterLogs' }
|
|
];
|
|
};
|
|
|
|
/// @returns an array of objects describing web3.shh.watch api methods
|
|
var shhWatchMethods = function () {
|
|
return [
|
|
{ name: 'newFilter', call: 'shh_newFilter' },
|
|
{ name: 'uninstallFilter', call: 'shh_uninstallFilter' },
|
|
{ name: 'getMessages', call: 'shh_getMessages' }
|
|
];
|
|
};
|
|
|
|
/// 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) {
|
|
obj[method.name] = function () {
|
|
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
|
|
});
|
|
};
|
|
});
|
|
};
|
|
|
|
/// 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) {
|
|
var proto = {};
|
|
proto.get = function () {
|
|
return web3.provider.send({
|
|
call: property.getter
|
|
});
|
|
};
|
|
|
|
if (property.setter) {
|
|
proto.set = function (val) {
|
|
return web3.provider.send({
|
|
call: property.setter,
|
|
args: [val]
|
|
});
|
|
};
|
|
}
|
|
Object.defineProperty(obj, property.name, proto);
|
|
});
|
|
};
|
|
|
|
/// setups web3 object, and it's in-browser executed methods
|
|
var web3 = {
|
|
_callbacks: {},
|
|
_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;
|
|
},
|
|
|
|
/// @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;
|
|
},
|
|
|
|
/// @returns decimal representaton of hex value prefixed by 0x
|
|
toDecimal: function (val) {
|
|
// remove 0x and place 0, if it's required
|
|
val = val.length > 2 ? val.substring(2) : "0";
|
|
return (new BigNumber(val, 16).toString(10));
|
|
},
|
|
|
|
/// @returns hex representation (prefixed by 0x) of decimal value
|
|
fromDecimal: function (val) {
|
|
return "0x" + (new BigNumber(val).toString(16));
|
|
},
|
|
|
|
/// 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];
|
|
},
|
|
|
|
/// eth object prototype
|
|
eth: {
|
|
contractFromAbi: function (abi) {
|
|
return function(addr) {
|
|
// Default to address of Config. TODO: rremove prior to genesis.
|
|
addr = addr || '0xc6d9d2cd449a754c494264e1809c50e34d64562b';
|
|
var ret = web3.eth.contract(addr, abi);
|
|
ret.address = addr;
|
|
return ret;
|
|
};
|
|
},
|
|
watch: function (params) {
|
|
return new web3.filter(params, ethWatch);
|
|
}
|
|
},
|
|
|
|
/// db object prototype
|
|
db: {},
|
|
|
|
/// shh object prototype
|
|
shh: {
|
|
watch: function (params) {
|
|
return new web3.filter(params, shhWatch);
|
|
}
|
|
},
|
|
|
|
/// @returns true if provider is installed
|
|
haveProvider: function() {
|
|
return !!web3.provider.provider;
|
|
}
|
|
};
|
|
|
|
/// setups all api methods
|
|
setupMethods(web3, web3Methods());
|
|
setupMethods(web3.eth, ethMethods());
|
|
setupProperties(web3.eth, ethProperties());
|
|
setupMethods(web3.db, dbMethods());
|
|
setupMethods(web3.shh, shhMethods());
|
|
|
|
var ethWatch = {
|
|
changed: 'eth_changed'
|
|
};
|
|
|
|
setupMethods(ethWatch, ethWatchMethods());
|
|
|
|
var shhWatch = {
|
|
changed: 'shh_changed'
|
|
};
|
|
|
|
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){
|
|
var web3 = require('./lib/web3');
|
|
var ProviderManager = require('./lib/providermanager');
|
|
web3.provider = new ProviderManager();
|
|
web3.filter = require('./lib/filter');
|
|
web3.providers.HttpSyncProvider = require('./lib/httpsync');
|
|
web3.providers.QtSyncProvider = require('./lib/qtsync');
|
|
web3.eth.contract = require('./lib/contract');
|
|
web3.abi = require('./lib/abi');
|
|
|
|
|
|
module.exports = web3;
|
|
|
|
},{"./lib/abi":1,"./lib/contract":2,"./lib/filter":4,"./lib/httpsync":5,"./lib/providermanager":6,"./lib/qtsync":7,"./lib/web3":8}]},{},["web3"])
|
|
|
|
|
|
//# sourceMappingURL=ethereum.js.map
|