6152 lines
167 KiB
JavaScript
6152 lines
167 KiB
JavaScript
(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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module.exports = undefined;
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},{}],2:[function(require,module,exports){
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'use strict';
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try {
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module.exports.XMLHttpRequest = XMLHttpRequest;
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} catch(error) {
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console.log('Warning: XMLHttpRequest is not defined');
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module.exports.XMLHttpRequest = null;
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}
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},{}],3:[function(require,module,exports){
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'use strict';
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var Provider = require('./provider.js');
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var utils = (function() {
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var convert = require('ethers-utils/convert.js');
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return {
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defineProperty: require('ethers-utils/properties.js').defineProperty,
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hexlify: convert.hexlify,
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};
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})();
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function getTransactionString(transaction) {
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var result = [];
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for (var key in transaction) {
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if (transaction[key] == null) { continue; }
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result.push(key + '=' + utils.hexlify(transaction[key]));
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}
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return result.join('&');
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}
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function EtherscanProvider(testnet, apiKey) {
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Provider.call(this, testnet);
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utils.defineProperty(this, 'apiKey', apiKey || null);
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}
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Provider.inherits(EtherscanProvider);
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utils.defineProperty(EtherscanProvider.prototype, '_call', function() {
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});
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utils.defineProperty(EtherscanProvider.prototype, '_callProxy', function() {
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});
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function getResult(result) {
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// getLogs has weird success responses
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if (result.status == 0 && result.message === 'No records found') {
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return result.result;
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}
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if (result.status != 1 || result.message != 'OK') {
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var error = new Error('invalid response');
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error.result = JSON.stringify(result);
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throw error;
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}
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return result.result;
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}
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function getJsonResult(result) {
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if (result.jsonrpc != '2.0') {
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var error = new Error('invalid response');
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error.result = JSON.stringify(result);
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throw error;
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}
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if (result.error) {
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var error = new Error(result.error.message || 'unknown error');
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if (result.error.code) { error.code = result.error.code; }
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if (result.error.data) { error.data = result.error.data; }
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throw error;
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}
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return result.result;
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}
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function checkLogTag(blockTag) {
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if (blockTag === 'pending') { throw new Error('pending not supported'); }
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if (blockTag === 'latest') { return blockTag; }
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return parseInt(blockTag.substring(2), 16);
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}
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utils.defineProperty(EtherscanProvider.prototype, 'perform', function(method, params) {
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if (!params) { params = {}; }
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var url = this.testnet ? 'https://ropsten.etherscan.io': 'https://api.etherscan.io';
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var apiKey = '';
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if (this.apiKey) { apiKey += '&apikey=' + this.apiKey; }
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switch (method) {
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case 'getBlockNumber':
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url += '/api?module=proxy&action=eth_blockNumber' + apiKey;
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return Provider.fetchJSON(url, null, getJsonResult);
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case 'getGasPrice':
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url += '/api?module=proxy&action=eth_gasPrice' + apiKey;
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return Provider.fetchJSON(url, null, getJsonResult);
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case 'getBalance':
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// Returns base-10 result
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url += '/api?module=account&action=balance&address=' + params.address;
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url += '&tag=' + params.blockTag + apiKey;
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return Provider.fetchJSON(url, null, getResult);
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case 'getTransactionCount':
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url += '/api?module=proxy&action=eth_getTransactionCount&address=' + params.address;
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url += '&tag=' + params.blockTag + apiKey;
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return Provider.fetchJSON(url, null, getJsonResult);
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case 'getCode':
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url += '/api?module=proxy&action=eth_getCode&address=' + params.address;
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url += '&tag=' + params.blockTag + apiKey;
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return Provider.fetchJSON(url, null, getJsonResult);
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case 'getStorageAt':
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url += '/api?module=proxy&action=eth_getStorageAt&address=' + params.address;
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url += '&position=' + params.position;
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url += '&tag=' + params.blockTag + apiKey;
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return Provider.fetchJSON(url, null, getJsonResult);
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case 'sendTransaction':
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url += '/api?module=proxy&action=eth_sendRawTransaction&hex=' + params.signedTransaction;
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url += apiKey;
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return Provider.fetchJSON(url, null, getJsonResult);
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case 'getBlock':
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if (params.blockTag) {
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url += '/api?module=proxy&action=eth_getBlockByNumber&tag=' + params.blockTag;
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url += '&boolean=false';
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url += apiKey;
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return Provider.fetchJSON(url, null, getJsonResult);
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}
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throw new Error('getBlock by blockHash not implmeneted');
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case 'getTransaction':
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url += '/api?module=proxy&action=eth_getTransactionByHash&txhash=' + params.transactionHash;
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url += apiKey;
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return Provider.fetchJSON(url, null, getJsonResult);
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case 'getTransactionReceipt':
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url += '/api?module=proxy&action=eth_getTransactionReceipt&txhash=' + params.transactionHash;
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url += apiKey;
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return Provider.fetchJSON(url, null, getJsonResult);
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case 'call':
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var transaction = getTransactionString(params.transaction);
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if (transaction) { transaction = '&' + transaction; }
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url += '/api?module=proxy&action=eth_call' + transaction;
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url += apiKey;
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return Provider.fetchJSON(url, null, getJsonResult);
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case 'estimateGas':
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var transaction = getTransactionString(params.transaction);
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if (transaction) { transaction = '&' + transaction; }
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url += '/api?module=proxy&action=eth_estimateGas&' + transaction;
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url += apiKey;
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return Provider.fetchJSON(url, null, getJsonResult);
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case 'getLogs':
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url += '/api?module=logs&action=getLogs';
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try {
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if (params.filter.fromBlock) {
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url += '&fromBlock=' + checkLogTag(params.filter.fromBlock);
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}
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if (params.filter.toBlock) {
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url += '&toBlock=' + checkLogTag(params.filter.toBlock);
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}
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if (params.filter.address) {
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url += '&address=' + params.filter.address;
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}
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// @TODO: We can handle slightly more complicated logs using the logs API
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if (params.filter.topics && params.filter.topics.length > 0) {
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if (params.filter.topics.length > 1) {
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throw new Error('unsupported topic format');
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}
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var topic0 = params.filter.topics[0];
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if (typeof(topic0) !== 'string' || topic0.length !== 66) {
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throw new Error('unsupported topic0 format');
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}
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url += '&topic0=' + topic0;
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}
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} catch (error) {
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return Promise.reject(error);
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}
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url += apiKey;
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return Provider.fetchJSON(url, null, getResult);
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default:
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break;
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}
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return Promise.reject(new Error('not implemented - ' + method));
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});
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module.exports = EtherscanProvider;;
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},{"./provider.js":22,"ethers-utils/convert.js":12,"ethers-utils/properties.js":15}],4:[function(require,module,exports){
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'use strict';
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var inherits = require('inherits');
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var Provider = require('./provider.js');
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var utils = (function() {
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return {
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defineProperty: require('ethers-utils/properties.js').defineProperty,
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};
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})();
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function FallbackProvider(providers) {
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if (providers.length === 0) { throw new Error('no providers'); }
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for (var i = 1; i < providers.length; i++) {
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if (providers[0].chainId !== providers[i].chainId) {
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throw new Error('incompatible providers - chainId mismatch');
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}
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if (providers[0].testnet !== providers[i].testnet) {
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throw new Error('incompatible providers - testnet mismatch');
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}
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}
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if (!(this instanceof FallbackProvider)) { throw new Error('missing new'); }
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Provider.call(this, providers[0].testnet, providers[0].chainId);
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providers = providers.slice(0);
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Object.defineProperty(this, 'providers', {
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get: function() {
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return providers.slice(0);
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}
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});
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}
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inherits(FallbackProvider, Provider);
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utils.defineProperty(FallbackProvider.prototype, 'perform', function(method, params) {
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var providers = this.providers;
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return new Promise(function(resolve, reject) {
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var firstError = null;
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function next() {
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if (!providers.length) {
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reject(firstError);
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return;
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}
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var provider = providers.shift();
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provider.perform(method, params).then(function(result) {
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resolve(result);
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}, function (error) {
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if (!firstError) { firstError = error; }
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next();
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});
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}
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next();
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});
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});
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module.exports = FallbackProvider;
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},{"./provider.js":22,"ethers-utils/properties.js":15,"inherits":20}],5:[function(require,module,exports){
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'use strict';
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var Provider = require('./provider.js');
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var EtherscanProvider = require('./etherscan-provider.js');
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var FallbackProvider = require('./fallback-provider.js');
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var InfuraProvider = require('./infura-provider.js');
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var JsonRpcProvider = require('./json-rpc-provider.js');
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function getDefaultProvider(testnet) {
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return new FallbackProvider([
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new InfuraProvider(testnet),
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new EtherscanProvider(testnet),
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]);
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}
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module.exports = {
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EtherscanProvider: EtherscanProvider,
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FallbackProvider: FallbackProvider,
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InfuraProvider: InfuraProvider,
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JsonRpcProvider: JsonRpcProvider,
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isProvder: Provider.isProvider,
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getDefaultProvider:getDefaultProvider,
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Provider: Provider,
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}
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require('ethers-utils/standalone.js')({
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providers: module.exports
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});
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},{"./etherscan-provider.js":3,"./fallback-provider.js":4,"./infura-provider.js":6,"./json-rpc-provider.js":7,"./provider.js":22,"ethers-utils/standalone.js":17}],6:[function(require,module,exports){
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var JsonRpcProvider = require('./json-rpc-provider.js');
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var utils = (function() {
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return {
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defineProperty: require('ethers-utils/properties.js').defineProperty
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}
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})();
|
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function InfuraProvider(testnet, apiAccessToken) {
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if (!(this instanceof InfuraProvider)) { throw new Error('missing new'); }
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var host = (testnet ? "ropsten": "mainnet") + '.infura.io';
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var url = 'https://' + host + '/' + (apiAccessToken || '');
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JsonRpcProvider.call(this, url, testnet);
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utils.defineProperty(this, 'apiAccessToken', apiAccessToken || null);
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}
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JsonRpcProvider.inherits(InfuraProvider);
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module.exports = InfuraProvider;
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|
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},{"./json-rpc-provider.js":7,"ethers-utils/properties.js":15}],7:[function(require,module,exports){
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'use strict';
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|
|
// See: https://github.com/ethereum/wiki/wiki/JSON-RPC
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|
|
|
var Provider = require('./provider.js');
|
|
|
|
var utils = (function() {
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|
var convert = require('ethers-utils/convert');
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|
return {
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defineProperty: require('ethers-utils/properties').defineProperty,
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|
|
hexlify: convert.hexlify,
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isHexString: convert.isHexString,
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}
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})();
|
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|
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function getResult(payload) {
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|
if (payload.error) {
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var error = new Error(payload.error.message);
|
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error.code = payload.error.code;
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error.data = payload.error.data;
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throw error;
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}
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|
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return payload.result;
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}
|
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|
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function stripHexZeros(value) {
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|
while (value.length > 3 && value.substring(0, 3) === '0x0') {
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|
value = '0x' + value.substring(3);
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|
}
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return value;
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|
}
|
|
|
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function getTransaction(transaction) {
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var result = {};
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|
|
|
for (var key in transaction) {
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result[key] = utils.hexlify(transaction[key]);
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|
}
|
|
|
|
// Some nodes (INFURA ropsten; INFURA mainnet is fine) don't like extra zeros.
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|
['gasLimit', 'gasPrice', 'nonce', 'value'].forEach(function(key) {
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|
if (!result[key]) { return; }
|
|
result[key] = stripHexZeros(result[key]);
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|
});
|
|
|
|
return result;
|
|
}
|
|
|
|
function JsonRpcProvider(url, testnet, chainId) {
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|
if (!(this instanceof JsonRpcProvider)) { throw new Error('missing new'); }
|
|
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Provider.call(this, testnet, chainId);
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|
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if (!url) { url = 'http://localhost:8545'; }
|
|
|
|
utils.defineProperty(this, 'url', url);
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|
}
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|
Provider.inherits(JsonRpcProvider);
|
|
|
|
utils.defineProperty(JsonRpcProvider.prototype, 'send', function(method, params) {
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|
var request = {
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|
method: method,
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|
params: params,
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|
id: 42,
|
|
jsonrpc: "2.0"
|
|
};
|
|
return Provider.fetchJSON(this.url, JSON.stringify(request), getResult);
|
|
});
|
|
|
|
utils.defineProperty(JsonRpcProvider.prototype, 'perform', function(method, params) {
|
|
switch (method) {
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|
case 'getBlockNumber':
|
|
return this.send('eth_blockNumber', []);
|
|
|
|
case 'getGasPrice':
|
|
return this.send('eth_gasPrice', []);
|
|
|
|
case 'getBalance':
|
|
var blockTag = params.blockTag;
|
|
if (utils.isHexString(blockTag)) { blockTag = stripHexZeros(blockTag); }
|
|
return this.send('eth_getBalance', [params.address, blockTag]);
|
|
|
|
case 'getTransactionCount':
|
|
var blockTag = params.blockTag;
|
|
if (utils.isHexString(blockTag)) { blockTag = stripHexZeros(blockTag); }
|
|
return this.send('eth_getTransactionCount', [params.address, blockTag]);
|
|
|
|
case 'getCode':
|
|
var blockTag = params.blockTag;
|
|
if (utils.isHexString(blockTag)) { blockTag = stripHexZeros(blockTag); }
|
|
return this.send('eth_getCode', [params.address, blockTag]);
|
|
|
|
case 'getStorageAt':
|
|
var position = params.position;
|
|
if (utils.isHexString(position)) { position = stripHexZeros(position); }
|
|
var blockTag = params.blockTag;
|
|
if (utils.isHexString(blockTag)) { blockTag = stripHexZeros(blockTag); }
|
|
return this.send('eth_getStorageAt', [params.address, position, blockTag]);
|
|
|
|
case 'sendTransaction':
|
|
return this.send('eth_sendRawTransaction', [params.signedTransaction]);
|
|
|
|
case 'getBlock':
|
|
if (params.blockTag) {
|
|
var blockTag = params.blockTag;
|
|
if (utils.isHexString(blockTag)) { blockTag = stripHexZeros(blockTag); }
|
|
return this.send('eth_getBlockByNumber', [blockTag, false]);
|
|
} else if (params.blockHash) {
|
|
return this.send('eth_getBlockByHash', [params.blockHash, false]);
|
|
}
|
|
return Promise.reject(new Error('invalid block tag or block hash'));
|
|
|
|
case 'getTransaction':
|
|
return this.send('eth_getTransactionByHash', [params.transactionHash]);
|
|
|
|
case 'getTransactionReceipt':
|
|
return this.send('eth_getTransactionReceipt', [params.transactionHash]);
|
|
|
|
case 'call':
|
|
return this.send('eth_call', [getTransaction(params.transaction), 'latest']);
|
|
|
|
case 'estimateGas':
|
|
return this.send('eth_estimateGas', [getTransaction(params.transaction)]);
|
|
|
|
case 'getLogs':
|
|
return this.send('eth_getLogs', [params.filter]);
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return Promise.reject(new Error('not implemented - ' + method));
|
|
});
|
|
|
|
module.exports = JsonRpcProvider;
|
|
|
|
},{"./provider.js":22,"ethers-utils/convert":12,"ethers-utils/properties":15}],8:[function(require,module,exports){
|
|
(function (module, exports) {
|
|
'use strict';
|
|
|
|
// Utils
|
|
function assert (val, msg) {
|
|
if (!val) throw new Error(msg || 'Assertion failed');
|
|
}
|
|
|
|
// Could use `inherits` module, but don't want to move from single file
|
|
// architecture yet.
|
|
function inherits (ctor, superCtor) {
|
|
ctor.super_ = superCtor;
|
|
var TempCtor = function () {};
|
|
TempCtor.prototype = superCtor.prototype;
|
|
ctor.prototype = new TempCtor();
|
|
ctor.prototype.constructor = ctor;
|
|
}
|
|
|
|
// BN
|
|
|
|
function BN (number, base, endian) {
|
|
if (BN.isBN(number)) {
|
|
return number;
|
|
}
|
|
|
|
this.negative = 0;
|
|
this.words = null;
|
|
this.length = 0;
|
|
|
|
// Reduction context
|
|
this.red = null;
|
|
|
|
if (number !== null) {
|
|
if (base === 'le' || base === 'be') {
|
|
endian = base;
|
|
base = 10;
|
|
}
|
|
|
|
this._init(number || 0, base || 10, endian || 'be');
|
|
}
|
|
}
|
|
if (typeof module === 'object') {
|
|
module.exports = BN;
|
|
} else {
|
|
exports.BN = BN;
|
|
}
|
|
|
|
BN.BN = BN;
|
|
BN.wordSize = 26;
|
|
|
|
var Buffer;
|
|
try {
|
|
// Obfuscate that we require Buffer, to reduce size
|
|
Buffer = require('buf' + 'fer').Buffer;
|
|
} catch (e) {
|
|
}
|
|
|
|
BN.isBN = function isBN (num) {
|
|
if (num instanceof BN) {
|
|
return true;
|
|
}
|
|
|
|
return num !== null && typeof num === 'object' &&
|
|
num.constructor.wordSize === BN.wordSize && Array.isArray(num.words);
|
|
};
|
|
|
|
BN.max = function max (left, right) {
|
|
if (left.cmp(right) > 0) return left;
|
|
return right;
|
|
};
|
|
|
|
BN.min = function min (left, right) {
|
|
if (left.cmp(right) < 0) return left;
|
|
return right;
|
|
};
|
|
|
|
BN.prototype._init = function init (number, base, endian) {
|
|
if (typeof number === 'number') {
|
|
return this._initNumber(number, base, endian);
|
|
}
|
|
|
|
if (typeof number === 'object') {
|
|
return this._initArray(number, base, endian);
|
|
}
|
|
|
|
if (base === 'hex') {
|
|
base = 16;
|
|
}
|
|
assert(base === (base | 0) && base >= 2 && base <= 36);
|
|
|
|
number = number.toString().replace(/\s+/g, '');
|
|
var start = 0;
|
|
if (number[0] === '-') {
|
|
start++;
|
|
}
|
|
|
|
if (base === 16) {
|
|
this._parseHex(number, start);
|
|
} else {
|
|
this._parseBase(number, base, start);
|
|
}
|
|
|
|
if (number[0] === '-') {
|
|
this.negative = 1;
|
|
}
|
|
|
|
this.strip();
|
|
|
|
if (endian !== 'le') return;
|
|
|
|
this._initArray(this.toArray(), base, endian);
|
|
};
|
|
|
|
BN.prototype._initNumber = function _initNumber (number, base, endian) {
|
|
if (number < 0) {
|
|
this.negative = 1;
|
|
number = -number;
|
|
}
|
|
if (number < 0x4000000) {
|
|
this.words = [ number & 0x3ffffff ];
|
|
this.length = 1;
|
|
} else if (number < 0x10000000000000) {
|
|
this.words = [
|
|
number & 0x3ffffff,
|
|
(number / 0x4000000) & 0x3ffffff
|
|
];
|
|
this.length = 2;
|
|
} else {
|
|
assert(number < 0x20000000000000); // 2 ^ 53 (unsafe)
|
|
this.words = [
|
|
number & 0x3ffffff,
|
|
(number / 0x4000000) & 0x3ffffff,
|
|
1
|
|
];
|
|
this.length = 3;
|
|
}
|
|
|
|
if (endian !== 'le') return;
|
|
|
|
// Reverse the bytes
|
|
this._initArray(this.toArray(), base, endian);
|
|
};
|
|
|
|
BN.prototype._initArray = function _initArray (number, base, endian) {
|
|
// Perhaps a Uint8Array
|
|
assert(typeof number.length === 'number');
|
|
if (number.length <= 0) {
|
|
this.words = [ 0 ];
|
|
this.length = 1;
|
|
return this;
|
|
}
|
|
|
|
this.length = Math.ceil(number.length / 3);
|
|
this.words = new Array(this.length);
|
|
for (var i = 0; i < this.length; i++) {
|
|
this.words[i] = 0;
|
|
}
|
|
|
|
var j, w;
|
|
var off = 0;
|
|
if (endian === 'be') {
|
|
for (i = number.length - 1, j = 0; i >= 0; i -= 3) {
|
|
w = number[i] | (number[i - 1] << 8) | (number[i - 2] << 16);
|
|
this.words[j] |= (w << off) & 0x3ffffff;
|
|
this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
|
|
off += 24;
|
|
if (off >= 26) {
|
|
off -= 26;
|
|
j++;
|
|
}
|
|
}
|
|
} else if (endian === 'le') {
|
|
for (i = 0, j = 0; i < number.length; i += 3) {
|
|
w = number[i] | (number[i + 1] << 8) | (number[i + 2] << 16);
|
|
this.words[j] |= (w << off) & 0x3ffffff;
|
|
this.words[j + 1] = (w >>> (26 - off)) & 0x3ffffff;
|
|
off += 24;
|
|
if (off >= 26) {
|
|
off -= 26;
|
|
j++;
|
|
}
|
|
}
|
|
}
|
|
return this.strip();
|
|
};
|
|
|
|
function parseHex (str, start, end) {
|
|
var r = 0;
|
|
var len = Math.min(str.length, end);
|
|
for (var i = start; i < len; i++) {
|
|
var c = str.charCodeAt(i) - 48;
|
|
|
|
r <<= 4;
|
|
|
|
// 'a' - 'f'
|
|
if (c >= 49 && c <= 54) {
|
|
r |= c - 49 + 0xa;
|
|
|
|
// 'A' - 'F'
|
|
} else if (c >= 17 && c <= 22) {
|
|
r |= c - 17 + 0xa;
|
|
|
|
// '0' - '9'
|
|
} else {
|
|
r |= c & 0xf;
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
|
|
BN.prototype._parseHex = function _parseHex (number, start) {
|
|
// Create possibly bigger array to ensure that it fits the number
|
|
this.length = Math.ceil((number.length - start) / 6);
|
|
this.words = new Array(this.length);
|
|
for (var i = 0; i < this.length; i++) {
|
|
this.words[i] = 0;
|
|
}
|
|
|
|
var j, w;
|
|
// Scan 24-bit chunks and add them to the number
|
|
var off = 0;
|
|
for (i = number.length - 6, j = 0; i >= start; i -= 6) {
|
|
w = parseHex(number, i, i + 6);
|
|
this.words[j] |= (w << off) & 0x3ffffff;
|
|
// NOTE: `0x3fffff` is intentional here, 26bits max shift + 24bit hex limb
|
|
this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
|
|
off += 24;
|
|
if (off >= 26) {
|
|
off -= 26;
|
|
j++;
|
|
}
|
|
}
|
|
if (i + 6 !== start) {
|
|
w = parseHex(number, start, i + 6);
|
|
this.words[j] |= (w << off) & 0x3ffffff;
|
|
this.words[j + 1] |= w >>> (26 - off) & 0x3fffff;
|
|
}
|
|
this.strip();
|
|
};
|
|
|
|
function parseBase (str, start, end, mul) {
|
|
var r = 0;
|
|
var len = Math.min(str.length, end);
|
|
for (var i = start; i < len; i++) {
|
|
var c = str.charCodeAt(i) - 48;
|
|
|
|
r *= mul;
|
|
|
|
// 'a'
|
|
if (c >= 49) {
|
|
r += c - 49 + 0xa;
|
|
|
|
// 'A'
|
|
} else if (c >= 17) {
|
|
r += c - 17 + 0xa;
|
|
|
|
// '0' - '9'
|
|
} else {
|
|
r += c;
|
|
}
|
|
}
|
|
return r;
|
|
}
|
|
|
|
BN.prototype._parseBase = function _parseBase (number, base, start) {
|
|
// Initialize as zero
|
|
this.words = [ 0 ];
|
|
this.length = 1;
|
|
|
|
// Find length of limb in base
|
|
for (var limbLen = 0, limbPow = 1; limbPow <= 0x3ffffff; limbPow *= base) {
|
|
limbLen++;
|
|
}
|
|
limbLen--;
|
|
limbPow = (limbPow / base) | 0;
|
|
|
|
var total = number.length - start;
|
|
var mod = total % limbLen;
|
|
var end = Math.min(total, total - mod) + start;
|
|
|
|
var word = 0;
|
|
for (var i = start; i < end; i += limbLen) {
|
|
word = parseBase(number, i, i + limbLen, base);
|
|
|
|
this.imuln(limbPow);
|
|
if (this.words[0] + word < 0x4000000) {
|
|
this.words[0] += word;
|
|
} else {
|
|
this._iaddn(word);
|
|
}
|
|
}
|
|
|
|
if (mod !== 0) {
|
|
var pow = 1;
|
|
word = parseBase(number, i, number.length, base);
|
|
|
|
for (i = 0; i < mod; i++) {
|
|
pow *= base;
|
|
}
|
|
|
|
this.imuln(pow);
|
|
if (this.words[0] + word < 0x4000000) {
|
|
this.words[0] += word;
|
|
} else {
|
|
this._iaddn(word);
|
|
}
|
|
}
|
|
};
|
|
|
|
BN.prototype.copy = function copy (dest) {
|
|
dest.words = new Array(this.length);
|
|
for (var i = 0; i < this.length; i++) {
|
|
dest.words[i] = this.words[i];
|
|
}
|
|
dest.length = this.length;
|
|
dest.negative = this.negative;
|
|
dest.red = this.red;
|
|
};
|
|
|
|
BN.prototype.clone = function clone () {
|
|
var r = new BN(null);
|
|
this.copy(r);
|
|
return r;
|
|
};
|
|
|
|
BN.prototype._expand = function _expand (size) {
|
|
while (this.length < size) {
|
|
this.words[this.length++] = 0;
|
|
}
|
|
return this;
|
|
};
|
|
|
|
// Remove leading `0` from `this`
|
|
BN.prototype.strip = function strip () {
|
|
while (this.length > 1 && this.words[this.length - 1] === 0) {
|
|
this.length--;
|
|
}
|
|
return this._normSign();
|
|
};
|
|
|
|
BN.prototype._normSign = function _normSign () {
|
|
// -0 = 0
|
|
if (this.length === 1 && this.words[0] === 0) {
|
|
this.negative = 0;
|
|
}
|
|
return this;
|
|
};
|
|
|
|
BN.prototype.inspect = function inspect () {
|
|
return (this.red ? '<BN-R: ' : '<BN: ') + this.toString(16) + '>';
|
|
};
|
|
|
|
/*
|
|
|
|
var zeros = [];
|
|
var groupSizes = [];
|
|
var groupBases = [];
|
|
|
|
var s = '';
|
|
var i = -1;
|
|
while (++i < BN.wordSize) {
|
|
zeros[i] = s;
|
|
s += '0';
|
|
}
|
|
groupSizes[0] = 0;
|
|
groupSizes[1] = 0;
|
|
groupBases[0] = 0;
|
|
groupBases[1] = 0;
|
|
var base = 2 - 1;
|
|
while (++base < 36 + 1) {
|
|
var groupSize = 0;
|
|
var groupBase = 1;
|
|
while (groupBase < (1 << BN.wordSize) / base) {
|
|
groupBase *= base;
|
|
groupSize += 1;
|
|
}
|
|
groupSizes[base] = groupSize;
|
|
groupBases[base] = groupBase;
|
|
}
|
|
|
|
*/
|
|
|
|
var zeros = [
|
|
'',
|
|
'0',
|
|
'00',
|
|
'000',
|
|
'0000',
|
|
'00000',
|
|
'000000',
|
|
'0000000',
|
|
'00000000',
|
|
'000000000',
|
|
'0000000000',
|
|
'00000000000',
|
|
'000000000000',
|
|
'0000000000000',
|
|
'00000000000000',
|
|
'000000000000000',
|
|
'0000000000000000',
|
|
'00000000000000000',
|
|
'000000000000000000',
|
|
'0000000000000000000',
|
|
'00000000000000000000',
|
|
'000000000000000000000',
|
|
'0000000000000000000000',
|
|
'00000000000000000000000',
|
|
'000000000000000000000000',
|
|
'0000000000000000000000000'
|
|
];
|
|
|
|
var groupSizes = [
|
|
0, 0,
|
|
25, 16, 12, 11, 10, 9, 8,
|
|
8, 7, 7, 7, 7, 6, 6,
|
|
6, 6, 6, 6, 6, 5, 5,
|
|
5, 5, 5, 5, 5, 5, 5,
|
|
5, 5, 5, 5, 5, 5, 5
|
|
];
|
|
|
|
var groupBases = [
|
|
0, 0,
|
|
33554432, 43046721, 16777216, 48828125, 60466176, 40353607, 16777216,
|
|
43046721, 10000000, 19487171, 35831808, 62748517, 7529536, 11390625,
|
|
16777216, 24137569, 34012224, 47045881, 64000000, 4084101, 5153632,
|
|
6436343, 7962624, 9765625, 11881376, 14348907, 17210368, 20511149,
|
|
24300000, 28629151, 33554432, 39135393, 45435424, 52521875, 60466176
|
|
];
|
|
|
|
BN.prototype.toString = function toString (base, padding) {
|
|
base = base || 10;
|
|
padding = padding | 0 || 1;
|
|
|
|
var out;
|
|
if (base === 16 || base === 'hex') {
|
|
out = '';
|
|
var off = 0;
|
|
var carry = 0;
|
|
for (var i = 0; i < this.length; i++) {
|
|
var w = this.words[i];
|
|
var word = (((w << off) | carry) & 0xffffff).toString(16);
|
|
carry = (w >>> (24 - off)) & 0xffffff;
|
|
if (carry !== 0 || i !== this.length - 1) {
|
|
out = zeros[6 - word.length] + word + out;
|
|
} else {
|
|
out = word + out;
|
|
}
|
|
off += 2;
|
|
if (off >= 26) {
|
|
off -= 26;
|
|
i--;
|
|
}
|
|
}
|
|
if (carry !== 0) {
|
|
out = carry.toString(16) + out;
|
|
}
|
|
while (out.length % padding !== 0) {
|
|
out = '0' + out;
|
|
}
|
|
if (this.negative !== 0) {
|
|
out = '-' + out;
|
|
}
|
|
return out;
|
|
}
|
|
|
|
if (base === (base | 0) && base >= 2 && base <= 36) {
|
|
// var groupSize = Math.floor(BN.wordSize * Math.LN2 / Math.log(base));
|
|
var groupSize = groupSizes[base];
|
|
// var groupBase = Math.pow(base, groupSize);
|
|
var groupBase = groupBases[base];
|
|
out = '';
|
|
var c = this.clone();
|
|
c.negative = 0;
|
|
while (!c.isZero()) {
|
|
var r = c.modn(groupBase).toString(base);
|
|
c = c.idivn(groupBase);
|
|
|
|
if (!c.isZero()) {
|
|
out = zeros[groupSize - r.length] + r + out;
|
|
} else {
|
|
out = r + out;
|
|
}
|
|
}
|
|
if (this.isZero()) {
|
|
out = '0' + out;
|
|
}
|
|
while (out.length % padding !== 0) {
|
|
out = '0' + out;
|
|
}
|
|
if (this.negative !== 0) {
|
|
out = '-' + out;
|
|
}
|
|
return out;
|
|
}
|
|
|
|
assert(false, 'Base should be between 2 and 36');
|
|
};
|
|
|
|
BN.prototype.toNumber = function toNumber () {
|
|
var ret = this.words[0];
|
|
if (this.length === 2) {
|
|
ret += this.words[1] * 0x4000000;
|
|
} else if (this.length === 3 && this.words[2] === 0x01) {
|
|
// NOTE: at this stage it is known that the top bit is set
|
|
ret += 0x10000000000000 + (this.words[1] * 0x4000000);
|
|
} else if (this.length > 2) {
|
|
assert(false, 'Number can only safely store up to 53 bits');
|
|
}
|
|
return (this.negative !== 0) ? -ret : ret;
|
|
};
|
|
|
|
BN.prototype.toJSON = function toJSON () {
|
|
return this.toString(16);
|
|
};
|
|
|
|
BN.prototype.toBuffer = function toBuffer (endian, length) {
|
|
assert(typeof Buffer !== 'undefined');
|
|
return this.toArrayLike(Buffer, endian, length);
|
|
};
|
|
|
|
BN.prototype.toArray = function toArray (endian, length) {
|
|
return this.toArrayLike(Array, endian, length);
|
|
};
|
|
|
|
BN.prototype.toArrayLike = function toArrayLike (ArrayType, endian, length) {
|
|
var byteLength = this.byteLength();
|
|
var reqLength = length || Math.max(1, byteLength);
|
|
assert(byteLength <= reqLength, 'byte array longer than desired length');
|
|
assert(reqLength > 0, 'Requested array length <= 0');
|
|
|
|
this.strip();
|
|
var littleEndian = endian === 'le';
|
|
var res = new ArrayType(reqLength);
|
|
|
|
var b, i;
|
|
var q = this.clone();
|
|
if (!littleEndian) {
|
|
// Assume big-endian
|
|
for (i = 0; i < reqLength - byteLength; i++) {
|
|
res[i] = 0;
|
|
}
|
|
|
|
for (i = 0; !q.isZero(); i++) {
|
|
b = q.andln(0xff);
|
|
q.iushrn(8);
|
|
|
|
res[reqLength - i - 1] = b;
|
|
}
|
|
} else {
|
|
for (i = 0; !q.isZero(); i++) {
|
|
b = q.andln(0xff);
|
|
q.iushrn(8);
|
|
|
|
res[i] = b;
|
|
}
|
|
|
|
for (; i < reqLength; i++) {
|
|
res[i] = 0;
|
|
}
|
|
}
|
|
|
|
return res;
|
|
};
|
|
|
|
if (Math.clz32) {
|
|
BN.prototype._countBits = function _countBits (w) {
|
|
return 32 - Math.clz32(w);
|
|
};
|
|
} else {
|
|
BN.prototype._countBits = function _countBits (w) {
|
|
var t = w;
|
|
var r = 0;
|
|
if (t >= 0x1000) {
|
|
r += 13;
|
|
t >>>= 13;
|
|
}
|
|
if (t >= 0x40) {
|
|
r += 7;
|
|
t >>>= 7;
|
|
}
|
|
if (t >= 0x8) {
|
|
r += 4;
|
|
t >>>= 4;
|
|
}
|
|
if (t >= 0x02) {
|
|
r += 2;
|
|
t >>>= 2;
|
|
}
|
|
return r + t;
|
|
};
|
|
}
|
|
|
|
BN.prototype._zeroBits = function _zeroBits (w) {
|
|
// Short-cut
|
|
if (w === 0) return 26;
|
|
|
|
var t = w;
|
|
var r = 0;
|
|
if ((t & 0x1fff) === 0) {
|
|
r += 13;
|
|
t >>>= 13;
|
|
}
|
|
if ((t & 0x7f) === 0) {
|
|
r += 7;
|
|
t >>>= 7;
|
|
}
|
|
if ((t & 0xf) === 0) {
|
|
r += 4;
|
|
t >>>= 4;
|
|
}
|
|
if ((t & 0x3) === 0) {
|
|
r += 2;
|
|
t >>>= 2;
|
|
}
|
|
if ((t & 0x1) === 0) {
|
|
r++;
|
|
}
|
|
return r;
|
|
};
|
|
|
|
// Return number of used bits in a BN
|
|
BN.prototype.bitLength = function bitLength () {
|
|
var w = this.words[this.length - 1];
|
|
var hi = this._countBits(w);
|
|
return (this.length - 1) * 26 + hi;
|
|
};
|
|
|
|
function toBitArray (num) {
|
|
var w = new Array(num.bitLength());
|
|
|
|
for (var bit = 0; bit < w.length; bit++) {
|
|
var off = (bit / 26) | 0;
|
|
var wbit = bit % 26;
|
|
|
|
w[bit] = (num.words[off] & (1 << wbit)) >>> wbit;
|
|
}
|
|
|
|
return w;
|
|
}
|
|
|
|
// Number of trailing zero bits
|
|
BN.prototype.zeroBits = function zeroBits () {
|
|
if (this.isZero()) return 0;
|
|
|
|
var r = 0;
|
|
for (var i = 0; i < this.length; i++) {
|
|
var b = this._zeroBits(this.words[i]);
|
|
r += b;
|
|
if (b !== 26) break;
|
|
}
|
|
return r;
|
|
};
|
|
|
|
BN.prototype.byteLength = function byteLength () {
|
|
return Math.ceil(this.bitLength() / 8);
|
|
};
|
|
|
|
BN.prototype.toTwos = function toTwos (width) {
|
|
if (this.negative !== 0) {
|
|
return this.abs().inotn(width).iaddn(1);
|
|
}
|
|
return this.clone();
|
|
};
|
|
|
|
BN.prototype.fromTwos = function fromTwos (width) {
|
|
if (this.testn(width - 1)) {
|
|
return this.notn(width).iaddn(1).ineg();
|
|
}
|
|
return this.clone();
|
|
};
|
|
|
|
BN.prototype.isNeg = function isNeg () {
|
|
return this.negative !== 0;
|
|
};
|
|
|
|
// Return negative clone of `this`
|
|
BN.prototype.neg = function neg () {
|
|
return this.clone().ineg();
|
|
};
|
|
|
|
BN.prototype.ineg = function ineg () {
|
|
if (!this.isZero()) {
|
|
this.negative ^= 1;
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
// Or `num` with `this` in-place
|
|
BN.prototype.iuor = function iuor (num) {
|
|
while (this.length < num.length) {
|
|
this.words[this.length++] = 0;
|
|
}
|
|
|
|
for (var i = 0; i < num.length; i++) {
|
|
this.words[i] = this.words[i] | num.words[i];
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.ior = function ior (num) {
|
|
assert((this.negative | num.negative) === 0);
|
|
return this.iuor(num);
|
|
};
|
|
|
|
// Or `num` with `this`
|
|
BN.prototype.or = function or (num) {
|
|
if (this.length > num.length) return this.clone().ior(num);
|
|
return num.clone().ior(this);
|
|
};
|
|
|
|
BN.prototype.uor = function uor (num) {
|
|
if (this.length > num.length) return this.clone().iuor(num);
|
|
return num.clone().iuor(this);
|
|
};
|
|
|
|
// And `num` with `this` in-place
|
|
BN.prototype.iuand = function iuand (num) {
|
|
// b = min-length(num, this)
|
|
var b;
|
|
if (this.length > num.length) {
|
|
b = num;
|
|
} else {
|
|
b = this;
|
|
}
|
|
|
|
for (var i = 0; i < b.length; i++) {
|
|
this.words[i] = this.words[i] & num.words[i];
|
|
}
|
|
|
|
this.length = b.length;
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.iand = function iand (num) {
|
|
assert((this.negative | num.negative) === 0);
|
|
return this.iuand(num);
|
|
};
|
|
|
|
// And `num` with `this`
|
|
BN.prototype.and = function and (num) {
|
|
if (this.length > num.length) return this.clone().iand(num);
|
|
return num.clone().iand(this);
|
|
};
|
|
|
|
BN.prototype.uand = function uand (num) {
|
|
if (this.length > num.length) return this.clone().iuand(num);
|
|
return num.clone().iuand(this);
|
|
};
|
|
|
|
// Xor `num` with `this` in-place
|
|
BN.prototype.iuxor = function iuxor (num) {
|
|
// a.length > b.length
|
|
var a;
|
|
var b;
|
|
if (this.length > num.length) {
|
|
a = this;
|
|
b = num;
|
|
} else {
|
|
a = num;
|
|
b = this;
|
|
}
|
|
|
|
for (var i = 0; i < b.length; i++) {
|
|
this.words[i] = a.words[i] ^ b.words[i];
|
|
}
|
|
|
|
if (this !== a) {
|
|
for (; i < a.length; i++) {
|
|
this.words[i] = a.words[i];
|
|
}
|
|
}
|
|
|
|
this.length = a.length;
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.ixor = function ixor (num) {
|
|
assert((this.negative | num.negative) === 0);
|
|
return this.iuxor(num);
|
|
};
|
|
|
|
// Xor `num` with `this`
|
|
BN.prototype.xor = function xor (num) {
|
|
if (this.length > num.length) return this.clone().ixor(num);
|
|
return num.clone().ixor(this);
|
|
};
|
|
|
|
BN.prototype.uxor = function uxor (num) {
|
|
if (this.length > num.length) return this.clone().iuxor(num);
|
|
return num.clone().iuxor(this);
|
|
};
|
|
|
|
// Not ``this`` with ``width`` bitwidth
|
|
BN.prototype.inotn = function inotn (width) {
|
|
assert(typeof width === 'number' && width >= 0);
|
|
|
|
var bytesNeeded = Math.ceil(width / 26) | 0;
|
|
var bitsLeft = width % 26;
|
|
|
|
// Extend the buffer with leading zeroes
|
|
this._expand(bytesNeeded);
|
|
|
|
if (bitsLeft > 0) {
|
|
bytesNeeded--;
|
|
}
|
|
|
|
// Handle complete words
|
|
for (var i = 0; i < bytesNeeded; i++) {
|
|
this.words[i] = ~this.words[i] & 0x3ffffff;
|
|
}
|
|
|
|
// Handle the residue
|
|
if (bitsLeft > 0) {
|
|
this.words[i] = ~this.words[i] & (0x3ffffff >> (26 - bitsLeft));
|
|
}
|
|
|
|
// And remove leading zeroes
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.notn = function notn (width) {
|
|
return this.clone().inotn(width);
|
|
};
|
|
|
|
// Set `bit` of `this`
|
|
BN.prototype.setn = function setn (bit, val) {
|
|
assert(typeof bit === 'number' && bit >= 0);
|
|
|
|
var off = (bit / 26) | 0;
|
|
var wbit = bit % 26;
|
|
|
|
this._expand(off + 1);
|
|
|
|
if (val) {
|
|
this.words[off] = this.words[off] | (1 << wbit);
|
|
} else {
|
|
this.words[off] = this.words[off] & ~(1 << wbit);
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
// Add `num` to `this` in-place
|
|
BN.prototype.iadd = function iadd (num) {
|
|
var r;
|
|
|
|
// negative + positive
|
|
if (this.negative !== 0 && num.negative === 0) {
|
|
this.negative = 0;
|
|
r = this.isub(num);
|
|
this.negative ^= 1;
|
|
return this._normSign();
|
|
|
|
// positive + negative
|
|
} else if (this.negative === 0 && num.negative !== 0) {
|
|
num.negative = 0;
|
|
r = this.isub(num);
|
|
num.negative = 1;
|
|
return r._normSign();
|
|
}
|
|
|
|
// a.length > b.length
|
|
var a, b;
|
|
if (this.length > num.length) {
|
|
a = this;
|
|
b = num;
|
|
} else {
|
|
a = num;
|
|
b = this;
|
|
}
|
|
|
|
var carry = 0;
|
|
for (var i = 0; i < b.length; i++) {
|
|
r = (a.words[i] | 0) + (b.words[i] | 0) + carry;
|
|
this.words[i] = r & 0x3ffffff;
|
|
carry = r >>> 26;
|
|
}
|
|
for (; carry !== 0 && i < a.length; i++) {
|
|
r = (a.words[i] | 0) + carry;
|
|
this.words[i] = r & 0x3ffffff;
|
|
carry = r >>> 26;
|
|
}
|
|
|
|
this.length = a.length;
|
|
if (carry !== 0) {
|
|
this.words[this.length] = carry;
|
|
this.length++;
|
|
// Copy the rest of the words
|
|
} else if (a !== this) {
|
|
for (; i < a.length; i++) {
|
|
this.words[i] = a.words[i];
|
|
}
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
// Add `num` to `this`
|
|
BN.prototype.add = function add (num) {
|
|
var res;
|
|
if (num.negative !== 0 && this.negative === 0) {
|
|
num.negative = 0;
|
|
res = this.sub(num);
|
|
num.negative ^= 1;
|
|
return res;
|
|
} else if (num.negative === 0 && this.negative !== 0) {
|
|
this.negative = 0;
|
|
res = num.sub(this);
|
|
this.negative = 1;
|
|
return res;
|
|
}
|
|
|
|
if (this.length > num.length) return this.clone().iadd(num);
|
|
|
|
return num.clone().iadd(this);
|
|
};
|
|
|
|
// Subtract `num` from `this` in-place
|
|
BN.prototype.isub = function isub (num) {
|
|
// this - (-num) = this + num
|
|
if (num.negative !== 0) {
|
|
num.negative = 0;
|
|
var r = this.iadd(num);
|
|
num.negative = 1;
|
|
return r._normSign();
|
|
|
|
// -this - num = -(this + num)
|
|
} else if (this.negative !== 0) {
|
|
this.negative = 0;
|
|
this.iadd(num);
|
|
this.negative = 1;
|
|
return this._normSign();
|
|
}
|
|
|
|
// At this point both numbers are positive
|
|
var cmp = this.cmp(num);
|
|
|
|
// Optimization - zeroify
|
|
if (cmp === 0) {
|
|
this.negative = 0;
|
|
this.length = 1;
|
|
this.words[0] = 0;
|
|
return this;
|
|
}
|
|
|
|
// a > b
|
|
var a, b;
|
|
if (cmp > 0) {
|
|
a = this;
|
|
b = num;
|
|
} else {
|
|
a = num;
|
|
b = this;
|
|
}
|
|
|
|
var carry = 0;
|
|
for (var i = 0; i < b.length; i++) {
|
|
r = (a.words[i] | 0) - (b.words[i] | 0) + carry;
|
|
carry = r >> 26;
|
|
this.words[i] = r & 0x3ffffff;
|
|
}
|
|
for (; carry !== 0 && i < a.length; i++) {
|
|
r = (a.words[i] | 0) + carry;
|
|
carry = r >> 26;
|
|
this.words[i] = r & 0x3ffffff;
|
|
}
|
|
|
|
// Copy rest of the words
|
|
if (carry === 0 && i < a.length && a !== this) {
|
|
for (; i < a.length; i++) {
|
|
this.words[i] = a.words[i];
|
|
}
|
|
}
|
|
|
|
this.length = Math.max(this.length, i);
|
|
|
|
if (a !== this) {
|
|
this.negative = 1;
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
// Subtract `num` from `this`
|
|
BN.prototype.sub = function sub (num) {
|
|
return this.clone().isub(num);
|
|
};
|
|
|
|
function smallMulTo (self, num, out) {
|
|
out.negative = num.negative ^ self.negative;
|
|
var len = (self.length + num.length) | 0;
|
|
out.length = len;
|
|
len = (len - 1) | 0;
|
|
|
|
// Peel one iteration (compiler can't do it, because of code complexity)
|
|
var a = self.words[0] | 0;
|
|
var b = num.words[0] | 0;
|
|
var r = a * b;
|
|
|
|
var lo = r & 0x3ffffff;
|
|
var carry = (r / 0x4000000) | 0;
|
|
out.words[0] = lo;
|
|
|
|
for (var k = 1; k < len; k++) {
|
|
// Sum all words with the same `i + j = k` and accumulate `ncarry`,
|
|
// note that ncarry could be >= 0x3ffffff
|
|
var ncarry = carry >>> 26;
|
|
var rword = carry & 0x3ffffff;
|
|
var maxJ = Math.min(k, num.length - 1);
|
|
for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
|
|
var i = (k - j) | 0;
|
|
a = self.words[i] | 0;
|
|
b = num.words[j] | 0;
|
|
r = a * b + rword;
|
|
ncarry += (r / 0x4000000) | 0;
|
|
rword = r & 0x3ffffff;
|
|
}
|
|
out.words[k] = rword | 0;
|
|
carry = ncarry | 0;
|
|
}
|
|
if (carry !== 0) {
|
|
out.words[k] = carry | 0;
|
|
} else {
|
|
out.length--;
|
|
}
|
|
|
|
return out.strip();
|
|
}
|
|
|
|
// TODO(indutny): it may be reasonable to omit it for users who don't need
|
|
// to work with 256-bit numbers, otherwise it gives 20% improvement for 256-bit
|
|
// multiplication (like elliptic secp256k1).
|
|
var comb10MulTo = function comb10MulTo (self, num, out) {
|
|
var a = self.words;
|
|
var b = num.words;
|
|
var o = out.words;
|
|
var c = 0;
|
|
var lo;
|
|
var mid;
|
|
var hi;
|
|
var a0 = a[0] | 0;
|
|
var al0 = a0 & 0x1fff;
|
|
var ah0 = a0 >>> 13;
|
|
var a1 = a[1] | 0;
|
|
var al1 = a1 & 0x1fff;
|
|
var ah1 = a1 >>> 13;
|
|
var a2 = a[2] | 0;
|
|
var al2 = a2 & 0x1fff;
|
|
var ah2 = a2 >>> 13;
|
|
var a3 = a[3] | 0;
|
|
var al3 = a3 & 0x1fff;
|
|
var ah3 = a3 >>> 13;
|
|
var a4 = a[4] | 0;
|
|
var al4 = a4 & 0x1fff;
|
|
var ah4 = a4 >>> 13;
|
|
var a5 = a[5] | 0;
|
|
var al5 = a5 & 0x1fff;
|
|
var ah5 = a5 >>> 13;
|
|
var a6 = a[6] | 0;
|
|
var al6 = a6 & 0x1fff;
|
|
var ah6 = a6 >>> 13;
|
|
var a7 = a[7] | 0;
|
|
var al7 = a7 & 0x1fff;
|
|
var ah7 = a7 >>> 13;
|
|
var a8 = a[8] | 0;
|
|
var al8 = a8 & 0x1fff;
|
|
var ah8 = a8 >>> 13;
|
|
var a9 = a[9] | 0;
|
|
var al9 = a9 & 0x1fff;
|
|
var ah9 = a9 >>> 13;
|
|
var b0 = b[0] | 0;
|
|
var bl0 = b0 & 0x1fff;
|
|
var bh0 = b0 >>> 13;
|
|
var b1 = b[1] | 0;
|
|
var bl1 = b1 & 0x1fff;
|
|
var bh1 = b1 >>> 13;
|
|
var b2 = b[2] | 0;
|
|
var bl2 = b2 & 0x1fff;
|
|
var bh2 = b2 >>> 13;
|
|
var b3 = b[3] | 0;
|
|
var bl3 = b3 & 0x1fff;
|
|
var bh3 = b3 >>> 13;
|
|
var b4 = b[4] | 0;
|
|
var bl4 = b4 & 0x1fff;
|
|
var bh4 = b4 >>> 13;
|
|
var b5 = b[5] | 0;
|
|
var bl5 = b5 & 0x1fff;
|
|
var bh5 = b5 >>> 13;
|
|
var b6 = b[6] | 0;
|
|
var bl6 = b6 & 0x1fff;
|
|
var bh6 = b6 >>> 13;
|
|
var b7 = b[7] | 0;
|
|
var bl7 = b7 & 0x1fff;
|
|
var bh7 = b7 >>> 13;
|
|
var b8 = b[8] | 0;
|
|
var bl8 = b8 & 0x1fff;
|
|
var bh8 = b8 >>> 13;
|
|
var b9 = b[9] | 0;
|
|
var bl9 = b9 & 0x1fff;
|
|
var bh9 = b9 >>> 13;
|
|
|
|
out.negative = self.negative ^ num.negative;
|
|
out.length = 19;
|
|
/* k = 0 */
|
|
lo = Math.imul(al0, bl0);
|
|
mid = Math.imul(al0, bh0);
|
|
mid = (mid + Math.imul(ah0, bl0)) | 0;
|
|
hi = Math.imul(ah0, bh0);
|
|
var w0 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w0 >>> 26)) | 0;
|
|
w0 &= 0x3ffffff;
|
|
/* k = 1 */
|
|
lo = Math.imul(al1, bl0);
|
|
mid = Math.imul(al1, bh0);
|
|
mid = (mid + Math.imul(ah1, bl0)) | 0;
|
|
hi = Math.imul(ah1, bh0);
|
|
lo = (lo + Math.imul(al0, bl1)) | 0;
|
|
mid = (mid + Math.imul(al0, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh1)) | 0;
|
|
var w1 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w1 >>> 26)) | 0;
|
|
w1 &= 0x3ffffff;
|
|
/* k = 2 */
|
|
lo = Math.imul(al2, bl0);
|
|
mid = Math.imul(al2, bh0);
|
|
mid = (mid + Math.imul(ah2, bl0)) | 0;
|
|
hi = Math.imul(ah2, bh0);
|
|
lo = (lo + Math.imul(al1, bl1)) | 0;
|
|
mid = (mid + Math.imul(al1, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh1)) | 0;
|
|
lo = (lo + Math.imul(al0, bl2)) | 0;
|
|
mid = (mid + Math.imul(al0, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh2)) | 0;
|
|
var w2 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w2 >>> 26)) | 0;
|
|
w2 &= 0x3ffffff;
|
|
/* k = 3 */
|
|
lo = Math.imul(al3, bl0);
|
|
mid = Math.imul(al3, bh0);
|
|
mid = (mid + Math.imul(ah3, bl0)) | 0;
|
|
hi = Math.imul(ah3, bh0);
|
|
lo = (lo + Math.imul(al2, bl1)) | 0;
|
|
mid = (mid + Math.imul(al2, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh1)) | 0;
|
|
lo = (lo + Math.imul(al1, bl2)) | 0;
|
|
mid = (mid + Math.imul(al1, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh2)) | 0;
|
|
lo = (lo + Math.imul(al0, bl3)) | 0;
|
|
mid = (mid + Math.imul(al0, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh3)) | 0;
|
|
var w3 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w3 >>> 26)) | 0;
|
|
w3 &= 0x3ffffff;
|
|
/* k = 4 */
|
|
lo = Math.imul(al4, bl0);
|
|
mid = Math.imul(al4, bh0);
|
|
mid = (mid + Math.imul(ah4, bl0)) | 0;
|
|
hi = Math.imul(ah4, bh0);
|
|
lo = (lo + Math.imul(al3, bl1)) | 0;
|
|
mid = (mid + Math.imul(al3, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh1)) | 0;
|
|
lo = (lo + Math.imul(al2, bl2)) | 0;
|
|
mid = (mid + Math.imul(al2, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh2)) | 0;
|
|
lo = (lo + Math.imul(al1, bl3)) | 0;
|
|
mid = (mid + Math.imul(al1, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh3)) | 0;
|
|
lo = (lo + Math.imul(al0, bl4)) | 0;
|
|
mid = (mid + Math.imul(al0, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh4)) | 0;
|
|
var w4 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w4 >>> 26)) | 0;
|
|
w4 &= 0x3ffffff;
|
|
/* k = 5 */
|
|
lo = Math.imul(al5, bl0);
|
|
mid = Math.imul(al5, bh0);
|
|
mid = (mid + Math.imul(ah5, bl0)) | 0;
|
|
hi = Math.imul(ah5, bh0);
|
|
lo = (lo + Math.imul(al4, bl1)) | 0;
|
|
mid = (mid + Math.imul(al4, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh1)) | 0;
|
|
lo = (lo + Math.imul(al3, bl2)) | 0;
|
|
mid = (mid + Math.imul(al3, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh2)) | 0;
|
|
lo = (lo + Math.imul(al2, bl3)) | 0;
|
|
mid = (mid + Math.imul(al2, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh3)) | 0;
|
|
lo = (lo + Math.imul(al1, bl4)) | 0;
|
|
mid = (mid + Math.imul(al1, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh4)) | 0;
|
|
lo = (lo + Math.imul(al0, bl5)) | 0;
|
|
mid = (mid + Math.imul(al0, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh5)) | 0;
|
|
var w5 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w5 >>> 26)) | 0;
|
|
w5 &= 0x3ffffff;
|
|
/* k = 6 */
|
|
lo = Math.imul(al6, bl0);
|
|
mid = Math.imul(al6, bh0);
|
|
mid = (mid + Math.imul(ah6, bl0)) | 0;
|
|
hi = Math.imul(ah6, bh0);
|
|
lo = (lo + Math.imul(al5, bl1)) | 0;
|
|
mid = (mid + Math.imul(al5, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh1)) | 0;
|
|
lo = (lo + Math.imul(al4, bl2)) | 0;
|
|
mid = (mid + Math.imul(al4, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh2)) | 0;
|
|
lo = (lo + Math.imul(al3, bl3)) | 0;
|
|
mid = (mid + Math.imul(al3, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh3)) | 0;
|
|
lo = (lo + Math.imul(al2, bl4)) | 0;
|
|
mid = (mid + Math.imul(al2, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh4)) | 0;
|
|
lo = (lo + Math.imul(al1, bl5)) | 0;
|
|
mid = (mid + Math.imul(al1, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh5)) | 0;
|
|
lo = (lo + Math.imul(al0, bl6)) | 0;
|
|
mid = (mid + Math.imul(al0, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh6)) | 0;
|
|
var w6 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w6 >>> 26)) | 0;
|
|
w6 &= 0x3ffffff;
|
|
/* k = 7 */
|
|
lo = Math.imul(al7, bl0);
|
|
mid = Math.imul(al7, bh0);
|
|
mid = (mid + Math.imul(ah7, bl0)) | 0;
|
|
hi = Math.imul(ah7, bh0);
|
|
lo = (lo + Math.imul(al6, bl1)) | 0;
|
|
mid = (mid + Math.imul(al6, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh1)) | 0;
|
|
lo = (lo + Math.imul(al5, bl2)) | 0;
|
|
mid = (mid + Math.imul(al5, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh2)) | 0;
|
|
lo = (lo + Math.imul(al4, bl3)) | 0;
|
|
mid = (mid + Math.imul(al4, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh3)) | 0;
|
|
lo = (lo + Math.imul(al3, bl4)) | 0;
|
|
mid = (mid + Math.imul(al3, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh4)) | 0;
|
|
lo = (lo + Math.imul(al2, bl5)) | 0;
|
|
mid = (mid + Math.imul(al2, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh5)) | 0;
|
|
lo = (lo + Math.imul(al1, bl6)) | 0;
|
|
mid = (mid + Math.imul(al1, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh6)) | 0;
|
|
lo = (lo + Math.imul(al0, bl7)) | 0;
|
|
mid = (mid + Math.imul(al0, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh7)) | 0;
|
|
var w7 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w7 >>> 26)) | 0;
|
|
w7 &= 0x3ffffff;
|
|
/* k = 8 */
|
|
lo = Math.imul(al8, bl0);
|
|
mid = Math.imul(al8, bh0);
|
|
mid = (mid + Math.imul(ah8, bl0)) | 0;
|
|
hi = Math.imul(ah8, bh0);
|
|
lo = (lo + Math.imul(al7, bl1)) | 0;
|
|
mid = (mid + Math.imul(al7, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh1)) | 0;
|
|
lo = (lo + Math.imul(al6, bl2)) | 0;
|
|
mid = (mid + Math.imul(al6, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh2)) | 0;
|
|
lo = (lo + Math.imul(al5, bl3)) | 0;
|
|
mid = (mid + Math.imul(al5, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh3)) | 0;
|
|
lo = (lo + Math.imul(al4, bl4)) | 0;
|
|
mid = (mid + Math.imul(al4, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh4)) | 0;
|
|
lo = (lo + Math.imul(al3, bl5)) | 0;
|
|
mid = (mid + Math.imul(al3, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh5)) | 0;
|
|
lo = (lo + Math.imul(al2, bl6)) | 0;
|
|
mid = (mid + Math.imul(al2, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh6)) | 0;
|
|
lo = (lo + Math.imul(al1, bl7)) | 0;
|
|
mid = (mid + Math.imul(al1, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh7)) | 0;
|
|
lo = (lo + Math.imul(al0, bl8)) | 0;
|
|
mid = (mid + Math.imul(al0, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh8)) | 0;
|
|
var w8 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w8 >>> 26)) | 0;
|
|
w8 &= 0x3ffffff;
|
|
/* k = 9 */
|
|
lo = Math.imul(al9, bl0);
|
|
mid = Math.imul(al9, bh0);
|
|
mid = (mid + Math.imul(ah9, bl0)) | 0;
|
|
hi = Math.imul(ah9, bh0);
|
|
lo = (lo + Math.imul(al8, bl1)) | 0;
|
|
mid = (mid + Math.imul(al8, bh1)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl1)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh1)) | 0;
|
|
lo = (lo + Math.imul(al7, bl2)) | 0;
|
|
mid = (mid + Math.imul(al7, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh2)) | 0;
|
|
lo = (lo + Math.imul(al6, bl3)) | 0;
|
|
mid = (mid + Math.imul(al6, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh3)) | 0;
|
|
lo = (lo + Math.imul(al5, bl4)) | 0;
|
|
mid = (mid + Math.imul(al5, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh4)) | 0;
|
|
lo = (lo + Math.imul(al4, bl5)) | 0;
|
|
mid = (mid + Math.imul(al4, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh5)) | 0;
|
|
lo = (lo + Math.imul(al3, bl6)) | 0;
|
|
mid = (mid + Math.imul(al3, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh6)) | 0;
|
|
lo = (lo + Math.imul(al2, bl7)) | 0;
|
|
mid = (mid + Math.imul(al2, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh7)) | 0;
|
|
lo = (lo + Math.imul(al1, bl8)) | 0;
|
|
mid = (mid + Math.imul(al1, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh8)) | 0;
|
|
lo = (lo + Math.imul(al0, bl9)) | 0;
|
|
mid = (mid + Math.imul(al0, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah0, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah0, bh9)) | 0;
|
|
var w9 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w9 >>> 26)) | 0;
|
|
w9 &= 0x3ffffff;
|
|
/* k = 10 */
|
|
lo = Math.imul(al9, bl1);
|
|
mid = Math.imul(al9, bh1);
|
|
mid = (mid + Math.imul(ah9, bl1)) | 0;
|
|
hi = Math.imul(ah9, bh1);
|
|
lo = (lo + Math.imul(al8, bl2)) | 0;
|
|
mid = (mid + Math.imul(al8, bh2)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl2)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh2)) | 0;
|
|
lo = (lo + Math.imul(al7, bl3)) | 0;
|
|
mid = (mid + Math.imul(al7, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh3)) | 0;
|
|
lo = (lo + Math.imul(al6, bl4)) | 0;
|
|
mid = (mid + Math.imul(al6, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh4)) | 0;
|
|
lo = (lo + Math.imul(al5, bl5)) | 0;
|
|
mid = (mid + Math.imul(al5, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh5)) | 0;
|
|
lo = (lo + Math.imul(al4, bl6)) | 0;
|
|
mid = (mid + Math.imul(al4, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh6)) | 0;
|
|
lo = (lo + Math.imul(al3, bl7)) | 0;
|
|
mid = (mid + Math.imul(al3, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh7)) | 0;
|
|
lo = (lo + Math.imul(al2, bl8)) | 0;
|
|
mid = (mid + Math.imul(al2, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh8)) | 0;
|
|
lo = (lo + Math.imul(al1, bl9)) | 0;
|
|
mid = (mid + Math.imul(al1, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah1, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah1, bh9)) | 0;
|
|
var w10 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w10 >>> 26)) | 0;
|
|
w10 &= 0x3ffffff;
|
|
/* k = 11 */
|
|
lo = Math.imul(al9, bl2);
|
|
mid = Math.imul(al9, bh2);
|
|
mid = (mid + Math.imul(ah9, bl2)) | 0;
|
|
hi = Math.imul(ah9, bh2);
|
|
lo = (lo + Math.imul(al8, bl3)) | 0;
|
|
mid = (mid + Math.imul(al8, bh3)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl3)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh3)) | 0;
|
|
lo = (lo + Math.imul(al7, bl4)) | 0;
|
|
mid = (mid + Math.imul(al7, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh4)) | 0;
|
|
lo = (lo + Math.imul(al6, bl5)) | 0;
|
|
mid = (mid + Math.imul(al6, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh5)) | 0;
|
|
lo = (lo + Math.imul(al5, bl6)) | 0;
|
|
mid = (mid + Math.imul(al5, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh6)) | 0;
|
|
lo = (lo + Math.imul(al4, bl7)) | 0;
|
|
mid = (mid + Math.imul(al4, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh7)) | 0;
|
|
lo = (lo + Math.imul(al3, bl8)) | 0;
|
|
mid = (mid + Math.imul(al3, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh8)) | 0;
|
|
lo = (lo + Math.imul(al2, bl9)) | 0;
|
|
mid = (mid + Math.imul(al2, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah2, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah2, bh9)) | 0;
|
|
var w11 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w11 >>> 26)) | 0;
|
|
w11 &= 0x3ffffff;
|
|
/* k = 12 */
|
|
lo = Math.imul(al9, bl3);
|
|
mid = Math.imul(al9, bh3);
|
|
mid = (mid + Math.imul(ah9, bl3)) | 0;
|
|
hi = Math.imul(ah9, bh3);
|
|
lo = (lo + Math.imul(al8, bl4)) | 0;
|
|
mid = (mid + Math.imul(al8, bh4)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl4)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh4)) | 0;
|
|
lo = (lo + Math.imul(al7, bl5)) | 0;
|
|
mid = (mid + Math.imul(al7, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh5)) | 0;
|
|
lo = (lo + Math.imul(al6, bl6)) | 0;
|
|
mid = (mid + Math.imul(al6, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh6)) | 0;
|
|
lo = (lo + Math.imul(al5, bl7)) | 0;
|
|
mid = (mid + Math.imul(al5, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh7)) | 0;
|
|
lo = (lo + Math.imul(al4, bl8)) | 0;
|
|
mid = (mid + Math.imul(al4, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh8)) | 0;
|
|
lo = (lo + Math.imul(al3, bl9)) | 0;
|
|
mid = (mid + Math.imul(al3, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah3, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah3, bh9)) | 0;
|
|
var w12 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w12 >>> 26)) | 0;
|
|
w12 &= 0x3ffffff;
|
|
/* k = 13 */
|
|
lo = Math.imul(al9, bl4);
|
|
mid = Math.imul(al9, bh4);
|
|
mid = (mid + Math.imul(ah9, bl4)) | 0;
|
|
hi = Math.imul(ah9, bh4);
|
|
lo = (lo + Math.imul(al8, bl5)) | 0;
|
|
mid = (mid + Math.imul(al8, bh5)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl5)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh5)) | 0;
|
|
lo = (lo + Math.imul(al7, bl6)) | 0;
|
|
mid = (mid + Math.imul(al7, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh6)) | 0;
|
|
lo = (lo + Math.imul(al6, bl7)) | 0;
|
|
mid = (mid + Math.imul(al6, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh7)) | 0;
|
|
lo = (lo + Math.imul(al5, bl8)) | 0;
|
|
mid = (mid + Math.imul(al5, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh8)) | 0;
|
|
lo = (lo + Math.imul(al4, bl9)) | 0;
|
|
mid = (mid + Math.imul(al4, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah4, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah4, bh9)) | 0;
|
|
var w13 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w13 >>> 26)) | 0;
|
|
w13 &= 0x3ffffff;
|
|
/* k = 14 */
|
|
lo = Math.imul(al9, bl5);
|
|
mid = Math.imul(al9, bh5);
|
|
mid = (mid + Math.imul(ah9, bl5)) | 0;
|
|
hi = Math.imul(ah9, bh5);
|
|
lo = (lo + Math.imul(al8, bl6)) | 0;
|
|
mid = (mid + Math.imul(al8, bh6)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl6)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh6)) | 0;
|
|
lo = (lo + Math.imul(al7, bl7)) | 0;
|
|
mid = (mid + Math.imul(al7, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh7)) | 0;
|
|
lo = (lo + Math.imul(al6, bl8)) | 0;
|
|
mid = (mid + Math.imul(al6, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh8)) | 0;
|
|
lo = (lo + Math.imul(al5, bl9)) | 0;
|
|
mid = (mid + Math.imul(al5, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah5, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah5, bh9)) | 0;
|
|
var w14 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w14 >>> 26)) | 0;
|
|
w14 &= 0x3ffffff;
|
|
/* k = 15 */
|
|
lo = Math.imul(al9, bl6);
|
|
mid = Math.imul(al9, bh6);
|
|
mid = (mid + Math.imul(ah9, bl6)) | 0;
|
|
hi = Math.imul(ah9, bh6);
|
|
lo = (lo + Math.imul(al8, bl7)) | 0;
|
|
mid = (mid + Math.imul(al8, bh7)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl7)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh7)) | 0;
|
|
lo = (lo + Math.imul(al7, bl8)) | 0;
|
|
mid = (mid + Math.imul(al7, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh8)) | 0;
|
|
lo = (lo + Math.imul(al6, bl9)) | 0;
|
|
mid = (mid + Math.imul(al6, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah6, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah6, bh9)) | 0;
|
|
var w15 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w15 >>> 26)) | 0;
|
|
w15 &= 0x3ffffff;
|
|
/* k = 16 */
|
|
lo = Math.imul(al9, bl7);
|
|
mid = Math.imul(al9, bh7);
|
|
mid = (mid + Math.imul(ah9, bl7)) | 0;
|
|
hi = Math.imul(ah9, bh7);
|
|
lo = (lo + Math.imul(al8, bl8)) | 0;
|
|
mid = (mid + Math.imul(al8, bh8)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl8)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh8)) | 0;
|
|
lo = (lo + Math.imul(al7, bl9)) | 0;
|
|
mid = (mid + Math.imul(al7, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah7, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah7, bh9)) | 0;
|
|
var w16 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w16 >>> 26)) | 0;
|
|
w16 &= 0x3ffffff;
|
|
/* k = 17 */
|
|
lo = Math.imul(al9, bl8);
|
|
mid = Math.imul(al9, bh8);
|
|
mid = (mid + Math.imul(ah9, bl8)) | 0;
|
|
hi = Math.imul(ah9, bh8);
|
|
lo = (lo + Math.imul(al8, bl9)) | 0;
|
|
mid = (mid + Math.imul(al8, bh9)) | 0;
|
|
mid = (mid + Math.imul(ah8, bl9)) | 0;
|
|
hi = (hi + Math.imul(ah8, bh9)) | 0;
|
|
var w17 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w17 >>> 26)) | 0;
|
|
w17 &= 0x3ffffff;
|
|
/* k = 18 */
|
|
lo = Math.imul(al9, bl9);
|
|
mid = Math.imul(al9, bh9);
|
|
mid = (mid + Math.imul(ah9, bl9)) | 0;
|
|
hi = Math.imul(ah9, bh9);
|
|
var w18 = (((c + lo) | 0) + ((mid & 0x1fff) << 13)) | 0;
|
|
c = (((hi + (mid >>> 13)) | 0) + (w18 >>> 26)) | 0;
|
|
w18 &= 0x3ffffff;
|
|
o[0] = w0;
|
|
o[1] = w1;
|
|
o[2] = w2;
|
|
o[3] = w3;
|
|
o[4] = w4;
|
|
o[5] = w5;
|
|
o[6] = w6;
|
|
o[7] = w7;
|
|
o[8] = w8;
|
|
o[9] = w9;
|
|
o[10] = w10;
|
|
o[11] = w11;
|
|
o[12] = w12;
|
|
o[13] = w13;
|
|
o[14] = w14;
|
|
o[15] = w15;
|
|
o[16] = w16;
|
|
o[17] = w17;
|
|
o[18] = w18;
|
|
if (c !== 0) {
|
|
o[19] = c;
|
|
out.length++;
|
|
}
|
|
return out;
|
|
};
|
|
|
|
// Polyfill comb
|
|
if (!Math.imul) {
|
|
comb10MulTo = smallMulTo;
|
|
}
|
|
|
|
function bigMulTo (self, num, out) {
|
|
out.negative = num.negative ^ self.negative;
|
|
out.length = self.length + num.length;
|
|
|
|
var carry = 0;
|
|
var hncarry = 0;
|
|
for (var k = 0; k < out.length - 1; k++) {
|
|
// Sum all words with the same `i + j = k` and accumulate `ncarry`,
|
|
// note that ncarry could be >= 0x3ffffff
|
|
var ncarry = hncarry;
|
|
hncarry = 0;
|
|
var rword = carry & 0x3ffffff;
|
|
var maxJ = Math.min(k, num.length - 1);
|
|
for (var j = Math.max(0, k - self.length + 1); j <= maxJ; j++) {
|
|
var i = k - j;
|
|
var a = self.words[i] | 0;
|
|
var b = num.words[j] | 0;
|
|
var r = a * b;
|
|
|
|
var lo = r & 0x3ffffff;
|
|
ncarry = (ncarry + ((r / 0x4000000) | 0)) | 0;
|
|
lo = (lo + rword) | 0;
|
|
rword = lo & 0x3ffffff;
|
|
ncarry = (ncarry + (lo >>> 26)) | 0;
|
|
|
|
hncarry += ncarry >>> 26;
|
|
ncarry &= 0x3ffffff;
|
|
}
|
|
out.words[k] = rword;
|
|
carry = ncarry;
|
|
ncarry = hncarry;
|
|
}
|
|
if (carry !== 0) {
|
|
out.words[k] = carry;
|
|
} else {
|
|
out.length--;
|
|
}
|
|
|
|
return out.strip();
|
|
}
|
|
|
|
function jumboMulTo (self, num, out) {
|
|
var fftm = new FFTM();
|
|
return fftm.mulp(self, num, out);
|
|
}
|
|
|
|
BN.prototype.mulTo = function mulTo (num, out) {
|
|
var res;
|
|
var len = this.length + num.length;
|
|
if (this.length === 10 && num.length === 10) {
|
|
res = comb10MulTo(this, num, out);
|
|
} else if (len < 63) {
|
|
res = smallMulTo(this, num, out);
|
|
} else if (len < 1024) {
|
|
res = bigMulTo(this, num, out);
|
|
} else {
|
|
res = jumboMulTo(this, num, out);
|
|
}
|
|
|
|
return res;
|
|
};
|
|
|
|
// Cooley-Tukey algorithm for FFT
|
|
// slightly revisited to rely on looping instead of recursion
|
|
|
|
function FFTM (x, y) {
|
|
this.x = x;
|
|
this.y = y;
|
|
}
|
|
|
|
FFTM.prototype.makeRBT = function makeRBT (N) {
|
|
var t = new Array(N);
|
|
var l = BN.prototype._countBits(N) - 1;
|
|
for (var i = 0; i < N; i++) {
|
|
t[i] = this.revBin(i, l, N);
|
|
}
|
|
|
|
return t;
|
|
};
|
|
|
|
// Returns binary-reversed representation of `x`
|
|
FFTM.prototype.revBin = function revBin (x, l, N) {
|
|
if (x === 0 || x === N - 1) return x;
|
|
|
|
var rb = 0;
|
|
for (var i = 0; i < l; i++) {
|
|
rb |= (x & 1) << (l - i - 1);
|
|
x >>= 1;
|
|
}
|
|
|
|
return rb;
|
|
};
|
|
|
|
// Performs "tweedling" phase, therefore 'emulating'
|
|
// behaviour of the recursive algorithm
|
|
FFTM.prototype.permute = function permute (rbt, rws, iws, rtws, itws, N) {
|
|
for (var i = 0; i < N; i++) {
|
|
rtws[i] = rws[rbt[i]];
|
|
itws[i] = iws[rbt[i]];
|
|
}
|
|
};
|
|
|
|
FFTM.prototype.transform = function transform (rws, iws, rtws, itws, N, rbt) {
|
|
this.permute(rbt, rws, iws, rtws, itws, N);
|
|
|
|
for (var s = 1; s < N; s <<= 1) {
|
|
var l = s << 1;
|
|
|
|
var rtwdf = Math.cos(2 * Math.PI / l);
|
|
var itwdf = Math.sin(2 * Math.PI / l);
|
|
|
|
for (var p = 0; p < N; p += l) {
|
|
var rtwdf_ = rtwdf;
|
|
var itwdf_ = itwdf;
|
|
|
|
for (var j = 0; j < s; j++) {
|
|
var re = rtws[p + j];
|
|
var ie = itws[p + j];
|
|
|
|
var ro = rtws[p + j + s];
|
|
var io = itws[p + j + s];
|
|
|
|
var rx = rtwdf_ * ro - itwdf_ * io;
|
|
|
|
io = rtwdf_ * io + itwdf_ * ro;
|
|
ro = rx;
|
|
|
|
rtws[p + j] = re + ro;
|
|
itws[p + j] = ie + io;
|
|
|
|
rtws[p + j + s] = re - ro;
|
|
itws[p + j + s] = ie - io;
|
|
|
|
/* jshint maxdepth : false */
|
|
if (j !== l) {
|
|
rx = rtwdf * rtwdf_ - itwdf * itwdf_;
|
|
|
|
itwdf_ = rtwdf * itwdf_ + itwdf * rtwdf_;
|
|
rtwdf_ = rx;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
};
|
|
|
|
FFTM.prototype.guessLen13b = function guessLen13b (n, m) {
|
|
var N = Math.max(m, n) | 1;
|
|
var odd = N & 1;
|
|
var i = 0;
|
|
for (N = N / 2 | 0; N; N = N >>> 1) {
|
|
i++;
|
|
}
|
|
|
|
return 1 << i + 1 + odd;
|
|
};
|
|
|
|
FFTM.prototype.conjugate = function conjugate (rws, iws, N) {
|
|
if (N <= 1) return;
|
|
|
|
for (var i = 0; i < N / 2; i++) {
|
|
var t = rws[i];
|
|
|
|
rws[i] = rws[N - i - 1];
|
|
rws[N - i - 1] = t;
|
|
|
|
t = iws[i];
|
|
|
|
iws[i] = -iws[N - i - 1];
|
|
iws[N - i - 1] = -t;
|
|
}
|
|
};
|
|
|
|
FFTM.prototype.normalize13b = function normalize13b (ws, N) {
|
|
var carry = 0;
|
|
for (var i = 0; i < N / 2; i++) {
|
|
var w = Math.round(ws[2 * i + 1] / N) * 0x2000 +
|
|
Math.round(ws[2 * i] / N) +
|
|
carry;
|
|
|
|
ws[i] = w & 0x3ffffff;
|
|
|
|
if (w < 0x4000000) {
|
|
carry = 0;
|
|
} else {
|
|
carry = w / 0x4000000 | 0;
|
|
}
|
|
}
|
|
|
|
return ws;
|
|
};
|
|
|
|
FFTM.prototype.convert13b = function convert13b (ws, len, rws, N) {
|
|
var carry = 0;
|
|
for (var i = 0; i < len; i++) {
|
|
carry = carry + (ws[i] | 0);
|
|
|
|
rws[2 * i] = carry & 0x1fff; carry = carry >>> 13;
|
|
rws[2 * i + 1] = carry & 0x1fff; carry = carry >>> 13;
|
|
}
|
|
|
|
// Pad with zeroes
|
|
for (i = 2 * len; i < N; ++i) {
|
|
rws[i] = 0;
|
|
}
|
|
|
|
assert(carry === 0);
|
|
assert((carry & ~0x1fff) === 0);
|
|
};
|
|
|
|
FFTM.prototype.stub = function stub (N) {
|
|
var ph = new Array(N);
|
|
for (var i = 0; i < N; i++) {
|
|
ph[i] = 0;
|
|
}
|
|
|
|
return ph;
|
|
};
|
|
|
|
FFTM.prototype.mulp = function mulp (x, y, out) {
|
|
var N = 2 * this.guessLen13b(x.length, y.length);
|
|
|
|
var rbt = this.makeRBT(N);
|
|
|
|
var _ = this.stub(N);
|
|
|
|
var rws = new Array(N);
|
|
var rwst = new Array(N);
|
|
var iwst = new Array(N);
|
|
|
|
var nrws = new Array(N);
|
|
var nrwst = new Array(N);
|
|
var niwst = new Array(N);
|
|
|
|
var rmws = out.words;
|
|
rmws.length = N;
|
|
|
|
this.convert13b(x.words, x.length, rws, N);
|
|
this.convert13b(y.words, y.length, nrws, N);
|
|
|
|
this.transform(rws, _, rwst, iwst, N, rbt);
|
|
this.transform(nrws, _, nrwst, niwst, N, rbt);
|
|
|
|
for (var i = 0; i < N; i++) {
|
|
var rx = rwst[i] * nrwst[i] - iwst[i] * niwst[i];
|
|
iwst[i] = rwst[i] * niwst[i] + iwst[i] * nrwst[i];
|
|
rwst[i] = rx;
|
|
}
|
|
|
|
this.conjugate(rwst, iwst, N);
|
|
this.transform(rwst, iwst, rmws, _, N, rbt);
|
|
this.conjugate(rmws, _, N);
|
|
this.normalize13b(rmws, N);
|
|
|
|
out.negative = x.negative ^ y.negative;
|
|
out.length = x.length + y.length;
|
|
return out.strip();
|
|
};
|
|
|
|
// Multiply `this` by `num`
|
|
BN.prototype.mul = function mul (num) {
|
|
var out = new BN(null);
|
|
out.words = new Array(this.length + num.length);
|
|
return this.mulTo(num, out);
|
|
};
|
|
|
|
// Multiply employing FFT
|
|
BN.prototype.mulf = function mulf (num) {
|
|
var out = new BN(null);
|
|
out.words = new Array(this.length + num.length);
|
|
return jumboMulTo(this, num, out);
|
|
};
|
|
|
|
// In-place Multiplication
|
|
BN.prototype.imul = function imul (num) {
|
|
return this.clone().mulTo(num, this);
|
|
};
|
|
|
|
BN.prototype.imuln = function imuln (num) {
|
|
assert(typeof num === 'number');
|
|
assert(num < 0x4000000);
|
|
|
|
// Carry
|
|
var carry = 0;
|
|
for (var i = 0; i < this.length; i++) {
|
|
var w = (this.words[i] | 0) * num;
|
|
var lo = (w & 0x3ffffff) + (carry & 0x3ffffff);
|
|
carry >>= 26;
|
|
carry += (w / 0x4000000) | 0;
|
|
// NOTE: lo is 27bit maximum
|
|
carry += lo >>> 26;
|
|
this.words[i] = lo & 0x3ffffff;
|
|
}
|
|
|
|
if (carry !== 0) {
|
|
this.words[i] = carry;
|
|
this.length++;
|
|
}
|
|
|
|
return this;
|
|
};
|
|
|
|
BN.prototype.muln = function muln (num) {
|
|
return this.clone().imuln(num);
|
|
};
|
|
|
|
// `this` * `this`
|
|
BN.prototype.sqr = function sqr () {
|
|
return this.mul(this);
|
|
};
|
|
|
|
// `this` * `this` in-place
|
|
BN.prototype.isqr = function isqr () {
|
|
return this.imul(this.clone());
|
|
};
|
|
|
|
// Math.pow(`this`, `num`)
|
|
BN.prototype.pow = function pow (num) {
|
|
var w = toBitArray(num);
|
|
if (w.length === 0) return new BN(1);
|
|
|
|
// Skip leading zeroes
|
|
var res = this;
|
|
for (var i = 0; i < w.length; i++, res = res.sqr()) {
|
|
if (w[i] !== 0) break;
|
|
}
|
|
|
|
if (++i < w.length) {
|
|
for (var q = res.sqr(); i < w.length; i++, q = q.sqr()) {
|
|
if (w[i] === 0) continue;
|
|
|
|
res = res.mul(q);
|
|
}
|
|
}
|
|
|
|
return res;
|
|
};
|
|
|
|
// Shift-left in-place
|
|
BN.prototype.iushln = function iushln (bits) {
|
|
assert(typeof bits === 'number' && bits >= 0);
|
|
var r = bits % 26;
|
|
var s = (bits - r) / 26;
|
|
var carryMask = (0x3ffffff >>> (26 - r)) << (26 - r);
|
|
var i;
|
|
|
|
if (r !== 0) {
|
|
var carry = 0;
|
|
|
|
for (i = 0; i < this.length; i++) {
|
|
var newCarry = this.words[i] & carryMask;
|
|
var c = ((this.words[i] | 0) - newCarry) << r;
|
|
this.words[i] = c | carry;
|
|
carry = newCarry >>> (26 - r);
|
|
}
|
|
|
|
if (carry) {
|
|
this.words[i] = carry;
|
|
this.length++;
|
|
}
|
|
}
|
|
|
|
if (s !== 0) {
|
|
for (i = this.length - 1; i >= 0; i--) {
|
|
this.words[i + s] = this.words[i];
|
|
}
|
|
|
|
for (i = 0; i < s; i++) {
|
|
this.words[i] = 0;
|
|
}
|
|
|
|
this.length += s;
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.ishln = function ishln (bits) {
|
|
// TODO(indutny): implement me
|
|
assert(this.negative === 0);
|
|
return this.iushln(bits);
|
|
};
|
|
|
|
// Shift-right in-place
|
|
// NOTE: `hint` is a lowest bit before trailing zeroes
|
|
// NOTE: if `extended` is present - it will be filled with destroyed bits
|
|
BN.prototype.iushrn = function iushrn (bits, hint, extended) {
|
|
assert(typeof bits === 'number' && bits >= 0);
|
|
var h;
|
|
if (hint) {
|
|
h = (hint - (hint % 26)) / 26;
|
|
} else {
|
|
h = 0;
|
|
}
|
|
|
|
var r = bits % 26;
|
|
var s = Math.min((bits - r) / 26, this.length);
|
|
var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
|
|
var maskedWords = extended;
|
|
|
|
h -= s;
|
|
h = Math.max(0, h);
|
|
|
|
// Extended mode, copy masked part
|
|
if (maskedWords) {
|
|
for (var i = 0; i < s; i++) {
|
|
maskedWords.words[i] = this.words[i];
|
|
}
|
|
maskedWords.length = s;
|
|
}
|
|
|
|
if (s === 0) {
|
|
// No-op, we should not move anything at all
|
|
} else if (this.length > s) {
|
|
this.length -= s;
|
|
for (i = 0; i < this.length; i++) {
|
|
this.words[i] = this.words[i + s];
|
|
}
|
|
} else {
|
|
this.words[0] = 0;
|
|
this.length = 1;
|
|
}
|
|
|
|
var carry = 0;
|
|
for (i = this.length - 1; i >= 0 && (carry !== 0 || i >= h); i--) {
|
|
var word = this.words[i] | 0;
|
|
this.words[i] = (carry << (26 - r)) | (word >>> r);
|
|
carry = word & mask;
|
|
}
|
|
|
|
// Push carried bits as a mask
|
|
if (maskedWords && carry !== 0) {
|
|
maskedWords.words[maskedWords.length++] = carry;
|
|
}
|
|
|
|
if (this.length === 0) {
|
|
this.words[0] = 0;
|
|
this.length = 1;
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.ishrn = function ishrn (bits, hint, extended) {
|
|
// TODO(indutny): implement me
|
|
assert(this.negative === 0);
|
|
return this.iushrn(bits, hint, extended);
|
|
};
|
|
|
|
// Shift-left
|
|
BN.prototype.shln = function shln (bits) {
|
|
return this.clone().ishln(bits);
|
|
};
|
|
|
|
BN.prototype.ushln = function ushln (bits) {
|
|
return this.clone().iushln(bits);
|
|
};
|
|
|
|
// Shift-right
|
|
BN.prototype.shrn = function shrn (bits) {
|
|
return this.clone().ishrn(bits);
|
|
};
|
|
|
|
BN.prototype.ushrn = function ushrn (bits) {
|
|
return this.clone().iushrn(bits);
|
|
};
|
|
|
|
// Test if n bit is set
|
|
BN.prototype.testn = function testn (bit) {
|
|
assert(typeof bit === 'number' && bit >= 0);
|
|
var r = bit % 26;
|
|
var s = (bit - r) / 26;
|
|
var q = 1 << r;
|
|
|
|
// Fast case: bit is much higher than all existing words
|
|
if (this.length <= s) return false;
|
|
|
|
// Check bit and return
|
|
var w = this.words[s];
|
|
|
|
return !!(w & q);
|
|
};
|
|
|
|
// Return only lowers bits of number (in-place)
|
|
BN.prototype.imaskn = function imaskn (bits) {
|
|
assert(typeof bits === 'number' && bits >= 0);
|
|
var r = bits % 26;
|
|
var s = (bits - r) / 26;
|
|
|
|
assert(this.negative === 0, 'imaskn works only with positive numbers');
|
|
|
|
if (this.length <= s) {
|
|
return this;
|
|
}
|
|
|
|
if (r !== 0) {
|
|
s++;
|
|
}
|
|
this.length = Math.min(s, this.length);
|
|
|
|
if (r !== 0) {
|
|
var mask = 0x3ffffff ^ ((0x3ffffff >>> r) << r);
|
|
this.words[this.length - 1] &= mask;
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
// Return only lowers bits of number
|
|
BN.prototype.maskn = function maskn (bits) {
|
|
return this.clone().imaskn(bits);
|
|
};
|
|
|
|
// Add plain number `num` to `this`
|
|
BN.prototype.iaddn = function iaddn (num) {
|
|
assert(typeof num === 'number');
|
|
assert(num < 0x4000000);
|
|
if (num < 0) return this.isubn(-num);
|
|
|
|
// Possible sign change
|
|
if (this.negative !== 0) {
|
|
if (this.length === 1 && (this.words[0] | 0) < num) {
|
|
this.words[0] = num - (this.words[0] | 0);
|
|
this.negative = 0;
|
|
return this;
|
|
}
|
|
|
|
this.negative = 0;
|
|
this.isubn(num);
|
|
this.negative = 1;
|
|
return this;
|
|
}
|
|
|
|
// Add without checks
|
|
return this._iaddn(num);
|
|
};
|
|
|
|
BN.prototype._iaddn = function _iaddn (num) {
|
|
this.words[0] += num;
|
|
|
|
// Carry
|
|
for (var i = 0; i < this.length && this.words[i] >= 0x4000000; i++) {
|
|
this.words[i] -= 0x4000000;
|
|
if (i === this.length - 1) {
|
|
this.words[i + 1] = 1;
|
|
} else {
|
|
this.words[i + 1]++;
|
|
}
|
|
}
|
|
this.length = Math.max(this.length, i + 1);
|
|
|
|
return this;
|
|
};
|
|
|
|
// Subtract plain number `num` from `this`
|
|
BN.prototype.isubn = function isubn (num) {
|
|
assert(typeof num === 'number');
|
|
assert(num < 0x4000000);
|
|
if (num < 0) return this.iaddn(-num);
|
|
|
|
if (this.negative !== 0) {
|
|
this.negative = 0;
|
|
this.iaddn(num);
|
|
this.negative = 1;
|
|
return this;
|
|
}
|
|
|
|
this.words[0] -= num;
|
|
|
|
if (this.length === 1 && this.words[0] < 0) {
|
|
this.words[0] = -this.words[0];
|
|
this.negative = 1;
|
|
} else {
|
|
// Carry
|
|
for (var i = 0; i < this.length && this.words[i] < 0; i++) {
|
|
this.words[i] += 0x4000000;
|
|
this.words[i + 1] -= 1;
|
|
}
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.addn = function addn (num) {
|
|
return this.clone().iaddn(num);
|
|
};
|
|
|
|
BN.prototype.subn = function subn (num) {
|
|
return this.clone().isubn(num);
|
|
};
|
|
|
|
BN.prototype.iabs = function iabs () {
|
|
this.negative = 0;
|
|
|
|
return this;
|
|
};
|
|
|
|
BN.prototype.abs = function abs () {
|
|
return this.clone().iabs();
|
|
};
|
|
|
|
BN.prototype._ishlnsubmul = function _ishlnsubmul (num, mul, shift) {
|
|
var len = num.length + shift;
|
|
var i;
|
|
|
|
this._expand(len);
|
|
|
|
var w;
|
|
var carry = 0;
|
|
for (i = 0; i < num.length; i++) {
|
|
w = (this.words[i + shift] | 0) + carry;
|
|
var right = (num.words[i] | 0) * mul;
|
|
w -= right & 0x3ffffff;
|
|
carry = (w >> 26) - ((right / 0x4000000) | 0);
|
|
this.words[i + shift] = w & 0x3ffffff;
|
|
}
|
|
for (; i < this.length - shift; i++) {
|
|
w = (this.words[i + shift] | 0) + carry;
|
|
carry = w >> 26;
|
|
this.words[i + shift] = w & 0x3ffffff;
|
|
}
|
|
|
|
if (carry === 0) return this.strip();
|
|
|
|
// Subtraction overflow
|
|
assert(carry === -1);
|
|
carry = 0;
|
|
for (i = 0; i < this.length; i++) {
|
|
w = -(this.words[i] | 0) + carry;
|
|
carry = w >> 26;
|
|
this.words[i] = w & 0x3ffffff;
|
|
}
|
|
this.negative = 1;
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype._wordDiv = function _wordDiv (num, mode) {
|
|
var shift = this.length - num.length;
|
|
|
|
var a = this.clone();
|
|
var b = num;
|
|
|
|
// Normalize
|
|
var bhi = b.words[b.length - 1] | 0;
|
|
var bhiBits = this._countBits(bhi);
|
|
shift = 26 - bhiBits;
|
|
if (shift !== 0) {
|
|
b = b.ushln(shift);
|
|
a.iushln(shift);
|
|
bhi = b.words[b.length - 1] | 0;
|
|
}
|
|
|
|
// Initialize quotient
|
|
var m = a.length - b.length;
|
|
var q;
|
|
|
|
if (mode !== 'mod') {
|
|
q = new BN(null);
|
|
q.length = m + 1;
|
|
q.words = new Array(q.length);
|
|
for (var i = 0; i < q.length; i++) {
|
|
q.words[i] = 0;
|
|
}
|
|
}
|
|
|
|
var diff = a.clone()._ishlnsubmul(b, 1, m);
|
|
if (diff.negative === 0) {
|
|
a = diff;
|
|
if (q) {
|
|
q.words[m] = 1;
|
|
}
|
|
}
|
|
|
|
for (var j = m - 1; j >= 0; j--) {
|
|
var qj = (a.words[b.length + j] | 0) * 0x4000000 +
|
|
(a.words[b.length + j - 1] | 0);
|
|
|
|
// NOTE: (qj / bhi) is (0x3ffffff * 0x4000000 + 0x3ffffff) / 0x2000000 max
|
|
// (0x7ffffff)
|
|
qj = Math.min((qj / bhi) | 0, 0x3ffffff);
|
|
|
|
a._ishlnsubmul(b, qj, j);
|
|
while (a.negative !== 0) {
|
|
qj--;
|
|
a.negative = 0;
|
|
a._ishlnsubmul(b, 1, j);
|
|
if (!a.isZero()) {
|
|
a.negative ^= 1;
|
|
}
|
|
}
|
|
if (q) {
|
|
q.words[j] = qj;
|
|
}
|
|
}
|
|
if (q) {
|
|
q.strip();
|
|
}
|
|
a.strip();
|
|
|
|
// Denormalize
|
|
if (mode !== 'div' && shift !== 0) {
|
|
a.iushrn(shift);
|
|
}
|
|
|
|
return {
|
|
div: q || null,
|
|
mod: a
|
|
};
|
|
};
|
|
|
|
// NOTE: 1) `mode` can be set to `mod` to request mod only,
|
|
// to `div` to request div only, or be absent to
|
|
// request both div & mod
|
|
// 2) `positive` is true if unsigned mod is requested
|
|
BN.prototype.divmod = function divmod (num, mode, positive) {
|
|
assert(!num.isZero());
|
|
|
|
if (this.isZero()) {
|
|
return {
|
|
div: new BN(0),
|
|
mod: new BN(0)
|
|
};
|
|
}
|
|
|
|
var div, mod, res;
|
|
if (this.negative !== 0 && num.negative === 0) {
|
|
res = this.neg().divmod(num, mode);
|
|
|
|
if (mode !== 'mod') {
|
|
div = res.div.neg();
|
|
}
|
|
|
|
if (mode !== 'div') {
|
|
mod = res.mod.neg();
|
|
if (positive && mod.negative !== 0) {
|
|
mod.iadd(num);
|
|
}
|
|
}
|
|
|
|
return {
|
|
div: div,
|
|
mod: mod
|
|
};
|
|
}
|
|
|
|
if (this.negative === 0 && num.negative !== 0) {
|
|
res = this.divmod(num.neg(), mode);
|
|
|
|
if (mode !== 'mod') {
|
|
div = res.div.neg();
|
|
}
|
|
|
|
return {
|
|
div: div,
|
|
mod: res.mod
|
|
};
|
|
}
|
|
|
|
if ((this.negative & num.negative) !== 0) {
|
|
res = this.neg().divmod(num.neg(), mode);
|
|
|
|
if (mode !== 'div') {
|
|
mod = res.mod.neg();
|
|
if (positive && mod.negative !== 0) {
|
|
mod.isub(num);
|
|
}
|
|
}
|
|
|
|
return {
|
|
div: res.div,
|
|
mod: mod
|
|
};
|
|
}
|
|
|
|
// Both numbers are positive at this point
|
|
|
|
// Strip both numbers to approximate shift value
|
|
if (num.length > this.length || this.cmp(num) < 0) {
|
|
return {
|
|
div: new BN(0),
|
|
mod: this
|
|
};
|
|
}
|
|
|
|
// Very short reduction
|
|
if (num.length === 1) {
|
|
if (mode === 'div') {
|
|
return {
|
|
div: this.divn(num.words[0]),
|
|
mod: null
|
|
};
|
|
}
|
|
|
|
if (mode === 'mod') {
|
|
return {
|
|
div: null,
|
|
mod: new BN(this.modn(num.words[0]))
|
|
};
|
|
}
|
|
|
|
return {
|
|
div: this.divn(num.words[0]),
|
|
mod: new BN(this.modn(num.words[0]))
|
|
};
|
|
}
|
|
|
|
return this._wordDiv(num, mode);
|
|
};
|
|
|
|
// Find `this` / `num`
|
|
BN.prototype.div = function div (num) {
|
|
return this.divmod(num, 'div', false).div;
|
|
};
|
|
|
|
// Find `this` % `num`
|
|
BN.prototype.mod = function mod (num) {
|
|
return this.divmod(num, 'mod', false).mod;
|
|
};
|
|
|
|
BN.prototype.umod = function umod (num) {
|
|
return this.divmod(num, 'mod', true).mod;
|
|
};
|
|
|
|
// Find Round(`this` / `num`)
|
|
BN.prototype.divRound = function divRound (num) {
|
|
var dm = this.divmod(num);
|
|
|
|
// Fast case - exact division
|
|
if (dm.mod.isZero()) return dm.div;
|
|
|
|
var mod = dm.div.negative !== 0 ? dm.mod.isub(num) : dm.mod;
|
|
|
|
var half = num.ushrn(1);
|
|
var r2 = num.andln(1);
|
|
var cmp = mod.cmp(half);
|
|
|
|
// Round down
|
|
if (cmp < 0 || r2 === 1 && cmp === 0) return dm.div;
|
|
|
|
// Round up
|
|
return dm.div.negative !== 0 ? dm.div.isubn(1) : dm.div.iaddn(1);
|
|
};
|
|
|
|
BN.prototype.modn = function modn (num) {
|
|
assert(num <= 0x3ffffff);
|
|
var p = (1 << 26) % num;
|
|
|
|
var acc = 0;
|
|
for (var i = this.length - 1; i >= 0; i--) {
|
|
acc = (p * acc + (this.words[i] | 0)) % num;
|
|
}
|
|
|
|
return acc;
|
|
};
|
|
|
|
// In-place division by number
|
|
BN.prototype.idivn = function idivn (num) {
|
|
assert(num <= 0x3ffffff);
|
|
|
|
var carry = 0;
|
|
for (var i = this.length - 1; i >= 0; i--) {
|
|
var w = (this.words[i] | 0) + carry * 0x4000000;
|
|
this.words[i] = (w / num) | 0;
|
|
carry = w % num;
|
|
}
|
|
|
|
return this.strip();
|
|
};
|
|
|
|
BN.prototype.divn = function divn (num) {
|
|
return this.clone().idivn(num);
|
|
};
|
|
|
|
BN.prototype.egcd = function egcd (p) {
|
|
assert(p.negative === 0);
|
|
assert(!p.isZero());
|
|
|
|
var x = this;
|
|
var y = p.clone();
|
|
|
|
if (x.negative !== 0) {
|
|
x = x.umod(p);
|
|
} else {
|
|
x = x.clone();
|
|
}
|
|
|
|
// A * x + B * y = x
|
|
var A = new BN(1);
|
|
var B = new BN(0);
|
|
|
|
// C * x + D * y = y
|
|
var C = new BN(0);
|
|
var D = new BN(1);
|
|
|
|
var g = 0;
|
|
|
|
while (x.isEven() && y.isEven()) {
|
|
x.iushrn(1);
|
|
y.iushrn(1);
|
|
++g;
|
|
}
|
|
|
|
var yp = y.clone();
|
|
var xp = x.clone();
|
|
|
|
while (!x.isZero()) {
|
|
for (var i = 0, im = 1; (x.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
|
|
if (i > 0) {
|
|
x.iushrn(i);
|
|
while (i-- > 0) {
|
|
if (A.isOdd() || B.isOdd()) {
|
|
A.iadd(yp);
|
|
B.isub(xp);
|
|
}
|
|
|
|
A.iushrn(1);
|
|
B.iushrn(1);
|
|
}
|
|
}
|
|
|
|
for (var j = 0, jm = 1; (y.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
|
|
if (j > 0) {
|
|
y.iushrn(j);
|
|
while (j-- > 0) {
|
|
if (C.isOdd() || D.isOdd()) {
|
|
C.iadd(yp);
|
|
D.isub(xp);
|
|
}
|
|
|
|
C.iushrn(1);
|
|
D.iushrn(1);
|
|
}
|
|
}
|
|
|
|
if (x.cmp(y) >= 0) {
|
|
x.isub(y);
|
|
A.isub(C);
|
|
B.isub(D);
|
|
} else {
|
|
y.isub(x);
|
|
C.isub(A);
|
|
D.isub(B);
|
|
}
|
|
}
|
|
|
|
return {
|
|
a: C,
|
|
b: D,
|
|
gcd: y.iushln(g)
|
|
};
|
|
};
|
|
|
|
// This is reduced incarnation of the binary EEA
|
|
// above, designated to invert members of the
|
|
// _prime_ fields F(p) at a maximal speed
|
|
BN.prototype._invmp = function _invmp (p) {
|
|
assert(p.negative === 0);
|
|
assert(!p.isZero());
|
|
|
|
var a = this;
|
|
var b = p.clone();
|
|
|
|
if (a.negative !== 0) {
|
|
a = a.umod(p);
|
|
} else {
|
|
a = a.clone();
|
|
}
|
|
|
|
var x1 = new BN(1);
|
|
var x2 = new BN(0);
|
|
|
|
var delta = b.clone();
|
|
|
|
while (a.cmpn(1) > 0 && b.cmpn(1) > 0) {
|
|
for (var i = 0, im = 1; (a.words[0] & im) === 0 && i < 26; ++i, im <<= 1);
|
|
if (i > 0) {
|
|
a.iushrn(i);
|
|
while (i-- > 0) {
|
|
if (x1.isOdd()) {
|
|
x1.iadd(delta);
|
|
}
|
|
|
|
x1.iushrn(1);
|
|
}
|
|
}
|
|
|
|
for (var j = 0, jm = 1; (b.words[0] & jm) === 0 && j < 26; ++j, jm <<= 1);
|
|
if (j > 0) {
|
|
b.iushrn(j);
|
|
while (j-- > 0) {
|
|
if (x2.isOdd()) {
|
|
x2.iadd(delta);
|
|
}
|
|
|
|
x2.iushrn(1);
|
|
}
|
|
}
|
|
|
|
if (a.cmp(b) >= 0) {
|
|
a.isub(b);
|
|
x1.isub(x2);
|
|
} else {
|
|
b.isub(a);
|
|
x2.isub(x1);
|
|
}
|
|
}
|
|
|
|
var res;
|
|
if (a.cmpn(1) === 0) {
|
|
res = x1;
|
|
} else {
|
|
res = x2;
|
|
}
|
|
|
|
if (res.cmpn(0) < 0) {
|
|
res.iadd(p);
|
|
}
|
|
|
|
return res;
|
|
};
|
|
|
|
BN.prototype.gcd = function gcd (num) {
|
|
if (this.isZero()) return num.abs();
|
|
if (num.isZero()) return this.abs();
|
|
|
|
var a = this.clone();
|
|
var b = num.clone();
|
|
a.negative = 0;
|
|
b.negative = 0;
|
|
|
|
// Remove common factor of two
|
|
for (var shift = 0; a.isEven() && b.isEven(); shift++) {
|
|
a.iushrn(1);
|
|
b.iushrn(1);
|
|
}
|
|
|
|
do {
|
|
while (a.isEven()) {
|
|
a.iushrn(1);
|
|
}
|
|
while (b.isEven()) {
|
|
b.iushrn(1);
|
|
}
|
|
|
|
var r = a.cmp(b);
|
|
if (r < 0) {
|
|
// Swap `a` and `b` to make `a` always bigger than `b`
|
|
var t = a;
|
|
a = b;
|
|
b = t;
|
|
} else if (r === 0 || b.cmpn(1) === 0) {
|
|
break;
|
|
}
|
|
|
|
a.isub(b);
|
|
} while (true);
|
|
|
|
return b.iushln(shift);
|
|
};
|
|
|
|
// Invert number in the field F(num)
|
|
BN.prototype.invm = function invm (num) {
|
|
return this.egcd(num).a.umod(num);
|
|
};
|
|
|
|
BN.prototype.isEven = function isEven () {
|
|
return (this.words[0] & 1) === 0;
|
|
};
|
|
|
|
BN.prototype.isOdd = function isOdd () {
|
|
return (this.words[0] & 1) === 1;
|
|
};
|
|
|
|
// And first word and num
|
|
BN.prototype.andln = function andln (num) {
|
|
return this.words[0] & num;
|
|
};
|
|
|
|
// Increment at the bit position in-line
|
|
BN.prototype.bincn = function bincn (bit) {
|
|
assert(typeof bit === 'number');
|
|
var r = bit % 26;
|
|
var s = (bit - r) / 26;
|
|
var q = 1 << r;
|
|
|
|
// Fast case: bit is much higher than all existing words
|
|
if (this.length <= s) {
|
|
this._expand(s + 1);
|
|
this.words[s] |= q;
|
|
return this;
|
|
}
|
|
|
|
// Add bit and propagate, if needed
|
|
var carry = q;
|
|
for (var i = s; carry !== 0 && i < this.length; i++) {
|
|
var w = this.words[i] | 0;
|
|
w += carry;
|
|
carry = w >>> 26;
|
|
w &= 0x3ffffff;
|
|
this.words[i] = w;
|
|
}
|
|
if (carry !== 0) {
|
|
this.words[i] = carry;
|
|
this.length++;
|
|
}
|
|
return this;
|
|
};
|
|
|
|
BN.prototype.isZero = function isZero () {
|
|
return this.length === 1 && this.words[0] === 0;
|
|
};
|
|
|
|
BN.prototype.cmpn = function cmpn (num) {
|
|
var negative = num < 0;
|
|
|
|
if (this.negative !== 0 && !negative) return -1;
|
|
if (this.negative === 0 && negative) return 1;
|
|
|
|
this.strip();
|
|
|
|
var res;
|
|
if (this.length > 1) {
|
|
res = 1;
|
|
} else {
|
|
if (negative) {
|
|
num = -num;
|
|
}
|
|
|
|
assert(num <= 0x3ffffff, 'Number is too big');
|
|
|
|
var w = this.words[0] | 0;
|
|
res = w === num ? 0 : w < num ? -1 : 1;
|
|
}
|
|
if (this.negative !== 0) return -res | 0;
|
|
return res;
|
|
};
|
|
|
|
// Compare two numbers and return:
|
|
// 1 - if `this` > `num`
|
|
// 0 - if `this` == `num`
|
|
// -1 - if `this` < `num`
|
|
BN.prototype.cmp = function cmp (num) {
|
|
if (this.negative !== 0 && num.negative === 0) return -1;
|
|
if (this.negative === 0 && num.negative !== 0) return 1;
|
|
|
|
var res = this.ucmp(num);
|
|
if (this.negative !== 0) return -res | 0;
|
|
return res;
|
|
};
|
|
|
|
// Unsigned comparison
|
|
BN.prototype.ucmp = function ucmp (num) {
|
|
// At this point both numbers have the same sign
|
|
if (this.length > num.length) return 1;
|
|
if (this.length < num.length) return -1;
|
|
|
|
var res = 0;
|
|
for (var i = this.length - 1; i >= 0; i--) {
|
|
var a = this.words[i] | 0;
|
|
var b = num.words[i] | 0;
|
|
|
|
if (a === b) continue;
|
|
if (a < b) {
|
|
res = -1;
|
|
} else if (a > b) {
|
|
res = 1;
|
|
}
|
|
break;
|
|
}
|
|
return res;
|
|
};
|
|
|
|
BN.prototype.gtn = function gtn (num) {
|
|
return this.cmpn(num) === 1;
|
|
};
|
|
|
|
BN.prototype.gt = function gt (num) {
|
|
return this.cmp(num) === 1;
|
|
};
|
|
|
|
BN.prototype.gten = function gten (num) {
|
|
return this.cmpn(num) >= 0;
|
|
};
|
|
|
|
BN.prototype.gte = function gte (num) {
|
|
return this.cmp(num) >= 0;
|
|
};
|
|
|
|
BN.prototype.ltn = function ltn (num) {
|
|
return this.cmpn(num) === -1;
|
|
};
|
|
|
|
BN.prototype.lt = function lt (num) {
|
|
return this.cmp(num) === -1;
|
|
};
|
|
|
|
BN.prototype.lten = function lten (num) {
|
|
return this.cmpn(num) <= 0;
|
|
};
|
|
|
|
BN.prototype.lte = function lte (num) {
|
|
return this.cmp(num) <= 0;
|
|
};
|
|
|
|
BN.prototype.eqn = function eqn (num) {
|
|
return this.cmpn(num) === 0;
|
|
};
|
|
|
|
BN.prototype.eq = function eq (num) {
|
|
return this.cmp(num) === 0;
|
|
};
|
|
|
|
//
|
|
// A reduce context, could be using montgomery or something better, depending
|
|
// on the `m` itself.
|
|
//
|
|
BN.red = function red (num) {
|
|
return new Red(num);
|
|
};
|
|
|
|
BN.prototype.toRed = function toRed (ctx) {
|
|
assert(!this.red, 'Already a number in reduction context');
|
|
assert(this.negative === 0, 'red works only with positives');
|
|
return ctx.convertTo(this)._forceRed(ctx);
|
|
};
|
|
|
|
BN.prototype.fromRed = function fromRed () {
|
|
assert(this.red, 'fromRed works only with numbers in reduction context');
|
|
return this.red.convertFrom(this);
|
|
};
|
|
|
|
BN.prototype._forceRed = function _forceRed (ctx) {
|
|
this.red = ctx;
|
|
return this;
|
|
};
|
|
|
|
BN.prototype.forceRed = function forceRed (ctx) {
|
|
assert(!this.red, 'Already a number in reduction context');
|
|
return this._forceRed(ctx);
|
|
};
|
|
|
|
BN.prototype.redAdd = function redAdd (num) {
|
|
assert(this.red, 'redAdd works only with red numbers');
|
|
return this.red.add(this, num);
|
|
};
|
|
|
|
BN.prototype.redIAdd = function redIAdd (num) {
|
|
assert(this.red, 'redIAdd works only with red numbers');
|
|
return this.red.iadd(this, num);
|
|
};
|
|
|
|
BN.prototype.redSub = function redSub (num) {
|
|
assert(this.red, 'redSub works only with red numbers');
|
|
return this.red.sub(this, num);
|
|
};
|
|
|
|
BN.prototype.redISub = function redISub (num) {
|
|
assert(this.red, 'redISub works only with red numbers');
|
|
return this.red.isub(this, num);
|
|
};
|
|
|
|
BN.prototype.redShl = function redShl (num) {
|
|
assert(this.red, 'redShl works only with red numbers');
|
|
return this.red.shl(this, num);
|
|
};
|
|
|
|
BN.prototype.redMul = function redMul (num) {
|
|
assert(this.red, 'redMul works only with red numbers');
|
|
this.red._verify2(this, num);
|
|
return this.red.mul(this, num);
|
|
};
|
|
|
|
BN.prototype.redIMul = function redIMul (num) {
|
|
assert(this.red, 'redMul works only with red numbers');
|
|
this.red._verify2(this, num);
|
|
return this.red.imul(this, num);
|
|
};
|
|
|
|
BN.prototype.redSqr = function redSqr () {
|
|
assert(this.red, 'redSqr works only with red numbers');
|
|
this.red._verify1(this);
|
|
return this.red.sqr(this);
|
|
};
|
|
|
|
BN.prototype.redISqr = function redISqr () {
|
|
assert(this.red, 'redISqr works only with red numbers');
|
|
this.red._verify1(this);
|
|
return this.red.isqr(this);
|
|
};
|
|
|
|
// Square root over p
|
|
BN.prototype.redSqrt = function redSqrt () {
|
|
assert(this.red, 'redSqrt works only with red numbers');
|
|
this.red._verify1(this);
|
|
return this.red.sqrt(this);
|
|
};
|
|
|
|
BN.prototype.redInvm = function redInvm () {
|
|
assert(this.red, 'redInvm works only with red numbers');
|
|
this.red._verify1(this);
|
|
return this.red.invm(this);
|
|
};
|
|
|
|
// Return negative clone of `this` % `red modulo`
|
|
BN.prototype.redNeg = function redNeg () {
|
|
assert(this.red, 'redNeg works only with red numbers');
|
|
this.red._verify1(this);
|
|
return this.red.neg(this);
|
|
};
|
|
|
|
BN.prototype.redPow = function redPow (num) {
|
|
assert(this.red && !num.red, 'redPow(normalNum)');
|
|
this.red._verify1(this);
|
|
return this.red.pow(this, num);
|
|
};
|
|
|
|
// Prime numbers with efficient reduction
|
|
var primes = {
|
|
k256: null,
|
|
p224: null,
|
|
p192: null,
|
|
p25519: null
|
|
};
|
|
|
|
// Pseudo-Mersenne prime
|
|
function MPrime (name, p) {
|
|
// P = 2 ^ N - K
|
|
this.name = name;
|
|
this.p = new BN(p, 16);
|
|
this.n = this.p.bitLength();
|
|
this.k = new BN(1).iushln(this.n).isub(this.p);
|
|
|
|
this.tmp = this._tmp();
|
|
}
|
|
|
|
MPrime.prototype._tmp = function _tmp () {
|
|
var tmp = new BN(null);
|
|
tmp.words = new Array(Math.ceil(this.n / 13));
|
|
return tmp;
|
|
};
|
|
|
|
MPrime.prototype.ireduce = function ireduce (num) {
|
|
// Assumes that `num` is less than `P^2`
|
|
// num = HI * (2 ^ N - K) + HI * K + LO = HI * K + LO (mod P)
|
|
var r = num;
|
|
var rlen;
|
|
|
|
do {
|
|
this.split(r, this.tmp);
|
|
r = this.imulK(r);
|
|
r = r.iadd(this.tmp);
|
|
rlen = r.bitLength();
|
|
} while (rlen > this.n);
|
|
|
|
var cmp = rlen < this.n ? -1 : r.ucmp(this.p);
|
|
if (cmp === 0) {
|
|
r.words[0] = 0;
|
|
r.length = 1;
|
|
} else if (cmp > 0) {
|
|
r.isub(this.p);
|
|
} else {
|
|
r.strip();
|
|
}
|
|
|
|
return r;
|
|
};
|
|
|
|
MPrime.prototype.split = function split (input, out) {
|
|
input.iushrn(this.n, 0, out);
|
|
};
|
|
|
|
MPrime.prototype.imulK = function imulK (num) {
|
|
return num.imul(this.k);
|
|
};
|
|
|
|
function K256 () {
|
|
MPrime.call(
|
|
this,
|
|
'k256',
|
|
'ffffffff ffffffff ffffffff ffffffff ffffffff ffffffff fffffffe fffffc2f');
|
|
}
|
|
inherits(K256, MPrime);
|
|
|
|
K256.prototype.split = function split (input, output) {
|
|
// 256 = 9 * 26 + 22
|
|
var mask = 0x3fffff;
|
|
|
|
var outLen = Math.min(input.length, 9);
|
|
for (var i = 0; i < outLen; i++) {
|
|
output.words[i] = input.words[i];
|
|
}
|
|
output.length = outLen;
|
|
|
|
if (input.length <= 9) {
|
|
input.words[0] = 0;
|
|
input.length = 1;
|
|
return;
|
|
}
|
|
|
|
// Shift by 9 limbs
|
|
var prev = input.words[9];
|
|
output.words[output.length++] = prev & mask;
|
|
|
|
for (i = 10; i < input.length; i++) {
|
|
var next = input.words[i] | 0;
|
|
input.words[i - 10] = ((next & mask) << 4) | (prev >>> 22);
|
|
prev = next;
|
|
}
|
|
prev >>>= 22;
|
|
input.words[i - 10] = prev;
|
|
if (prev === 0 && input.length > 10) {
|
|
input.length -= 10;
|
|
} else {
|
|
input.length -= 9;
|
|
}
|
|
};
|
|
|
|
K256.prototype.imulK = function imulK (num) {
|
|
// K = 0x1000003d1 = [ 0x40, 0x3d1 ]
|
|
num.words[num.length] = 0;
|
|
num.words[num.length + 1] = 0;
|
|
num.length += 2;
|
|
|
|
// bounded at: 0x40 * 0x3ffffff + 0x3d0 = 0x100000390
|
|
var lo = 0;
|
|
for (var i = 0; i < num.length; i++) {
|
|
var w = num.words[i] | 0;
|
|
lo += w * 0x3d1;
|
|
num.words[i] = lo & 0x3ffffff;
|
|
lo = w * 0x40 + ((lo / 0x4000000) | 0);
|
|
}
|
|
|
|
// Fast length reduction
|
|
if (num.words[num.length - 1] === 0) {
|
|
num.length--;
|
|
if (num.words[num.length - 1] === 0) {
|
|
num.length--;
|
|
}
|
|
}
|
|
return num;
|
|
};
|
|
|
|
function P224 () {
|
|
MPrime.call(
|
|
this,
|
|
'p224',
|
|
'ffffffff ffffffff ffffffff ffffffff 00000000 00000000 00000001');
|
|
}
|
|
inherits(P224, MPrime);
|
|
|
|
function P192 () {
|
|
MPrime.call(
|
|
this,
|
|
'p192',
|
|
'ffffffff ffffffff ffffffff fffffffe ffffffff ffffffff');
|
|
}
|
|
inherits(P192, MPrime);
|
|
|
|
function P25519 () {
|
|
// 2 ^ 255 - 19
|
|
MPrime.call(
|
|
this,
|
|
'25519',
|
|
'7fffffffffffffff ffffffffffffffff ffffffffffffffff ffffffffffffffed');
|
|
}
|
|
inherits(P25519, MPrime);
|
|
|
|
P25519.prototype.imulK = function imulK (num) {
|
|
// K = 0x13
|
|
var carry = 0;
|
|
for (var i = 0; i < num.length; i++) {
|
|
var hi = (num.words[i] | 0) * 0x13 + carry;
|
|
var lo = hi & 0x3ffffff;
|
|
hi >>>= 26;
|
|
|
|
num.words[i] = lo;
|
|
carry = hi;
|
|
}
|
|
if (carry !== 0) {
|
|
num.words[num.length++] = carry;
|
|
}
|
|
return num;
|
|
};
|
|
|
|
// Exported mostly for testing purposes, use plain name instead
|
|
BN._prime = function prime (name) {
|
|
// Cached version of prime
|
|
if (primes[name]) return primes[name];
|
|
|
|
var prime;
|
|
if (name === 'k256') {
|
|
prime = new K256();
|
|
} else if (name === 'p224') {
|
|
prime = new P224();
|
|
} else if (name === 'p192') {
|
|
prime = new P192();
|
|
} else if (name === 'p25519') {
|
|
prime = new P25519();
|
|
} else {
|
|
throw new Error('Unknown prime ' + name);
|
|
}
|
|
primes[name] = prime;
|
|
|
|
return prime;
|
|
};
|
|
|
|
//
|
|
// Base reduction engine
|
|
//
|
|
function Red (m) {
|
|
if (typeof m === 'string') {
|
|
var prime = BN._prime(m);
|
|
this.m = prime.p;
|
|
this.prime = prime;
|
|
} else {
|
|
assert(m.gtn(1), 'modulus must be greater than 1');
|
|
this.m = m;
|
|
this.prime = null;
|
|
}
|
|
}
|
|
|
|
Red.prototype._verify1 = function _verify1 (a) {
|
|
assert(a.negative === 0, 'red works only with positives');
|
|
assert(a.red, 'red works only with red numbers');
|
|
};
|
|
|
|
Red.prototype._verify2 = function _verify2 (a, b) {
|
|
assert((a.negative | b.negative) === 0, 'red works only with positives');
|
|
assert(a.red && a.red === b.red,
|
|
'red works only with red numbers');
|
|
};
|
|
|
|
Red.prototype.imod = function imod (a) {
|
|
if (this.prime) return this.prime.ireduce(a)._forceRed(this);
|
|
return a.umod(this.m)._forceRed(this);
|
|
};
|
|
|
|
Red.prototype.neg = function neg (a) {
|
|
if (a.isZero()) {
|
|
return a.clone();
|
|
}
|
|
|
|
return this.m.sub(a)._forceRed(this);
|
|
};
|
|
|
|
Red.prototype.add = function add (a, b) {
|
|
this._verify2(a, b);
|
|
|
|
var res = a.add(b);
|
|
if (res.cmp(this.m) >= 0) {
|
|
res.isub(this.m);
|
|
}
|
|
return res._forceRed(this);
|
|
};
|
|
|
|
Red.prototype.iadd = function iadd (a, b) {
|
|
this._verify2(a, b);
|
|
|
|
var res = a.iadd(b);
|
|
if (res.cmp(this.m) >= 0) {
|
|
res.isub(this.m);
|
|
}
|
|
return res;
|
|
};
|
|
|
|
Red.prototype.sub = function sub (a, b) {
|
|
this._verify2(a, b);
|
|
|
|
var res = a.sub(b);
|
|
if (res.cmpn(0) < 0) {
|
|
res.iadd(this.m);
|
|
}
|
|
return res._forceRed(this);
|
|
};
|
|
|
|
Red.prototype.isub = function isub (a, b) {
|
|
this._verify2(a, b);
|
|
|
|
var res = a.isub(b);
|
|
if (res.cmpn(0) < 0) {
|
|
res.iadd(this.m);
|
|
}
|
|
return res;
|
|
};
|
|
|
|
Red.prototype.shl = function shl (a, num) {
|
|
this._verify1(a);
|
|
return this.imod(a.ushln(num));
|
|
};
|
|
|
|
Red.prototype.imul = function imul (a, b) {
|
|
this._verify2(a, b);
|
|
return this.imod(a.imul(b));
|
|
};
|
|
|
|
Red.prototype.mul = function mul (a, b) {
|
|
this._verify2(a, b);
|
|
return this.imod(a.mul(b));
|
|
};
|
|
|
|
Red.prototype.isqr = function isqr (a) {
|
|
return this.imul(a, a.clone());
|
|
};
|
|
|
|
Red.prototype.sqr = function sqr (a) {
|
|
return this.mul(a, a);
|
|
};
|
|
|
|
Red.prototype.sqrt = function sqrt (a) {
|
|
if (a.isZero()) return a.clone();
|
|
|
|
var mod3 = this.m.andln(3);
|
|
assert(mod3 % 2 === 1);
|
|
|
|
// Fast case
|
|
if (mod3 === 3) {
|
|
var pow = this.m.add(new BN(1)).iushrn(2);
|
|
return this.pow(a, pow);
|
|
}
|
|
|
|
// Tonelli-Shanks algorithm (Totally unoptimized and slow)
|
|
//
|
|
// Find Q and S, that Q * 2 ^ S = (P - 1)
|
|
var q = this.m.subn(1);
|
|
var s = 0;
|
|
while (!q.isZero() && q.andln(1) === 0) {
|
|
s++;
|
|
q.iushrn(1);
|
|
}
|
|
assert(!q.isZero());
|
|
|
|
var one = new BN(1).toRed(this);
|
|
var nOne = one.redNeg();
|
|
|
|
// Find quadratic non-residue
|
|
// NOTE: Max is such because of generalized Riemann hypothesis.
|
|
var lpow = this.m.subn(1).iushrn(1);
|
|
var z = this.m.bitLength();
|
|
z = new BN(2 * z * z).toRed(this);
|
|
|
|
while (this.pow(z, lpow).cmp(nOne) !== 0) {
|
|
z.redIAdd(nOne);
|
|
}
|
|
|
|
var c = this.pow(z, q);
|
|
var r = this.pow(a, q.addn(1).iushrn(1));
|
|
var t = this.pow(a, q);
|
|
var m = s;
|
|
while (t.cmp(one) !== 0) {
|
|
var tmp = t;
|
|
for (var i = 0; tmp.cmp(one) !== 0; i++) {
|
|
tmp = tmp.redSqr();
|
|
}
|
|
assert(i < m);
|
|
var b = this.pow(c, new BN(1).iushln(m - i - 1));
|
|
|
|
r = r.redMul(b);
|
|
c = b.redSqr();
|
|
t = t.redMul(c);
|
|
m = i;
|
|
}
|
|
|
|
return r;
|
|
};
|
|
|
|
Red.prototype.invm = function invm (a) {
|
|
var inv = a._invmp(this.m);
|
|
if (inv.negative !== 0) {
|
|
inv.negative = 0;
|
|
return this.imod(inv).redNeg();
|
|
} else {
|
|
return this.imod(inv);
|
|
}
|
|
};
|
|
|
|
Red.prototype.pow = function pow (a, num) {
|
|
if (num.isZero()) return new BN(1).toRed(this);
|
|
if (num.cmpn(1) === 0) return a.clone();
|
|
|
|
var windowSize = 4;
|
|
var wnd = new Array(1 << windowSize);
|
|
wnd[0] = new BN(1).toRed(this);
|
|
wnd[1] = a;
|
|
for (var i = 2; i < wnd.length; i++) {
|
|
wnd[i] = this.mul(wnd[i - 1], a);
|
|
}
|
|
|
|
var res = wnd[0];
|
|
var current = 0;
|
|
var currentLen = 0;
|
|
var start = num.bitLength() % 26;
|
|
if (start === 0) {
|
|
start = 26;
|
|
}
|
|
|
|
for (i = num.length - 1; i >= 0; i--) {
|
|
var word = num.words[i];
|
|
for (var j = start - 1; j >= 0; j--) {
|
|
var bit = (word >> j) & 1;
|
|
if (res !== wnd[0]) {
|
|
res = this.sqr(res);
|
|
}
|
|
|
|
if (bit === 0 && current === 0) {
|
|
currentLen = 0;
|
|
continue;
|
|
}
|
|
|
|
current <<= 1;
|
|
current |= bit;
|
|
currentLen++;
|
|
if (currentLen !== windowSize && (i !== 0 || j !== 0)) continue;
|
|
|
|
res = this.mul(res, wnd[current]);
|
|
currentLen = 0;
|
|
current = 0;
|
|
}
|
|
start = 26;
|
|
}
|
|
|
|
return res;
|
|
};
|
|
|
|
Red.prototype.convertTo = function convertTo (num) {
|
|
var r = num.umod(this.m);
|
|
|
|
return r === num ? r.clone() : r;
|
|
};
|
|
|
|
Red.prototype.convertFrom = function convertFrom (num) {
|
|
var res = num.clone();
|
|
res.red = null;
|
|
return res;
|
|
};
|
|
|
|
//
|
|
// Montgomery method engine
|
|
//
|
|
|
|
BN.mont = function mont (num) {
|
|
return new Mont(num);
|
|
};
|
|
|
|
function Mont (m) {
|
|
Red.call(this, m);
|
|
|
|
this.shift = this.m.bitLength();
|
|
if (this.shift % 26 !== 0) {
|
|
this.shift += 26 - (this.shift % 26);
|
|
}
|
|
|
|
this.r = new BN(1).iushln(this.shift);
|
|
this.r2 = this.imod(this.r.sqr());
|
|
this.rinv = this.r._invmp(this.m);
|
|
|
|
this.minv = this.rinv.mul(this.r).isubn(1).div(this.m);
|
|
this.minv = this.minv.umod(this.r);
|
|
this.minv = this.r.sub(this.minv);
|
|
}
|
|
inherits(Mont, Red);
|
|
|
|
Mont.prototype.convertTo = function convertTo (num) {
|
|
return this.imod(num.ushln(this.shift));
|
|
};
|
|
|
|
Mont.prototype.convertFrom = function convertFrom (num) {
|
|
var r = this.imod(num.mul(this.rinv));
|
|
r.red = null;
|
|
return r;
|
|
};
|
|
|
|
Mont.prototype.imul = function imul (a, b) {
|
|
if (a.isZero() || b.isZero()) {
|
|
a.words[0] = 0;
|
|
a.length = 1;
|
|
return a;
|
|
}
|
|
|
|
var t = a.imul(b);
|
|
var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
|
|
var u = t.isub(c).iushrn(this.shift);
|
|
var res = u;
|
|
|
|
if (u.cmp(this.m) >= 0) {
|
|
res = u.isub(this.m);
|
|
} else if (u.cmpn(0) < 0) {
|
|
res = u.iadd(this.m);
|
|
}
|
|
|
|
return res._forceRed(this);
|
|
};
|
|
|
|
Mont.prototype.mul = function mul (a, b) {
|
|
if (a.isZero() || b.isZero()) return new BN(0)._forceRed(this);
|
|
|
|
var t = a.mul(b);
|
|
var c = t.maskn(this.shift).mul(this.minv).imaskn(this.shift).mul(this.m);
|
|
var u = t.isub(c).iushrn(this.shift);
|
|
var res = u;
|
|
if (u.cmp(this.m) >= 0) {
|
|
res = u.isub(this.m);
|
|
} else if (u.cmpn(0) < 0) {
|
|
res = u.iadd(this.m);
|
|
}
|
|
|
|
return res._forceRed(this);
|
|
};
|
|
|
|
Mont.prototype.invm = function invm (a) {
|
|
// (AR)^-1 * R^2 = (A^-1 * R^-1) * R^2 = A^-1 * R
|
|
var res = this.imod(a._invmp(this.m).mul(this.r2));
|
|
return res._forceRed(this);
|
|
};
|
|
})(typeof module === 'undefined' || module, this);
|
|
|
|
},{}],9:[function(require,module,exports){
|
|
|
|
var BN = require('bn.js');
|
|
|
|
var convert = require('./convert');
|
|
var throwError = require('./throw-error');
|
|
var keccak256 = require('./keccak256');
|
|
|
|
function getChecksumAddress(address) {
|
|
if (typeof(address) !== 'string' || !address.match(/^0x[0-9A-Fa-f]{40}$/)) {
|
|
throwError('invalid address', {input: address});
|
|
}
|
|
|
|
address = address.toLowerCase();
|
|
|
|
var hashed = address.substring(2).split('');
|
|
for (var i = 0; i < hashed.length; i++) {
|
|
hashed[i] = hashed[i].charCodeAt(0);
|
|
}
|
|
hashed = convert.arrayify(keccak256(hashed));
|
|
|
|
address = address.substring(2).split('');
|
|
for (var i = 0; i < 40; i += 2) {
|
|
if ((hashed[i >> 1] >> 4) >= 8) {
|
|
address[i] = address[i].toUpperCase();
|
|
}
|
|
if ((hashed[i >> 1] & 0x0f) >= 8) {
|
|
address[i + 1] = address[i + 1].toUpperCase();
|
|
}
|
|
}
|
|
|
|
return '0x' + address.join('');
|
|
}
|
|
|
|
// See: https://en.wikipedia.org/wiki/International_Bank_Account_Number
|
|
var ibanChecksum = (function() {
|
|
|
|
// Create lookup table
|
|
var ibanLookup = {};
|
|
for (var i = 0; i < 10; i++) { ibanLookup[String(i)] = String(i); }
|
|
for (var i = 0; i < 26; i++) { ibanLookup[String.fromCharCode(65 + i)] = String(10 + i); }
|
|
|
|
// How many decimal digits can we process? (for 64-bit float, this is 15)
|
|
var safeDigits = Math.floor(Math.log10(Number.MAX_SAFE_INTEGER));
|
|
|
|
return function(address) {
|
|
address = address.toUpperCase();
|
|
address = address.substring(4) + address.substring(0, 2) + '00';
|
|
|
|
var expanded = address.split('');
|
|
for (var i = 0; i < expanded.length; i++) {
|
|
expanded[i] = ibanLookup[expanded[i]];
|
|
}
|
|
expanded = expanded.join('');
|
|
|
|
// Javascript can handle integers safely up to 15 (decimal) digits
|
|
while (expanded.length >= safeDigits){
|
|
var block = expanded.substring(0, safeDigits);
|
|
expanded = parseInt(block, 10) % 97 + expanded.substring(block.length);
|
|
}
|
|
|
|
var checksum = String(98 - (parseInt(expanded, 10) % 97));
|
|
while (checksum.length < 2) { checksum = '0' + checksum; }
|
|
|
|
return checksum;
|
|
};
|
|
})();
|
|
|
|
function getAddress(address, icapFormat) {
|
|
var result = null;
|
|
|
|
if (typeof(address) !== 'string') {
|
|
throwError('invalid address', {input: address});
|
|
}
|
|
|
|
if (address.match(/^(0x)?[0-9a-fA-F]{40}$/)) {
|
|
|
|
// Missing the 0x prefix
|
|
if (address.substring(0, 2) !== '0x') { address = '0x' + address; }
|
|
|
|
result = getChecksumAddress(address);
|
|
|
|
// It is a checksummed address with a bad checksum
|
|
if (address.match(/([A-F].*[a-f])|([a-f].*[A-F])/) && result !== address) {
|
|
throwError('invalid address checksum', { input: address, expected: result });
|
|
}
|
|
|
|
// Maybe ICAP? (we only support direct mode)
|
|
} else if (address.match(/^XE[0-9]{2}[0-9A-Za-z]{30,31}$/)) {
|
|
|
|
// It is an ICAP address with a bad checksum
|
|
if (address.substring(2, 4) !== ibanChecksum(address)) {
|
|
throwError('invalid address icap checksum', { input: address });
|
|
}
|
|
|
|
result = (new BN(address.substring(4), 36)).toString(16);
|
|
while (result.length < 40) { result = '0' + result; }
|
|
result = getChecksumAddress('0x' + result);
|
|
|
|
} else {
|
|
throwError('invalid address', { input: address });
|
|
}
|
|
|
|
if (icapFormat) {
|
|
var base36 = (new BN(result.substring(2), 16)).toString(36).toUpperCase();
|
|
while (base36.length < 30) { base36 = '0' + base36; }
|
|
return 'XE' + ibanChecksum('XE00' + base36) + base36;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
|
|
module.exports = {
|
|
getAddress: getAddress,
|
|
}
|
|
|
|
},{"./convert":12,"./keccak256":13,"./throw-error":18,"bn.js":8}],10:[function(require,module,exports){
|
|
/**
|
|
* BigNumber
|
|
*
|
|
* A wrapper around the BN.js object. In the future we can swap out
|
|
* the underlying BN.js library for something smaller.
|
|
*/
|
|
|
|
var BN = require('bn.js');
|
|
|
|
var defineProperty = require('./properties').defineProperty;
|
|
var convert = require('./convert');
|
|
var throwError = require('./throw-error');
|
|
|
|
function BigNumber(value) {
|
|
if (!(this instanceof BigNumber)) { throw new Error('missing new'); }
|
|
|
|
if (convert.isHexString(value)) {
|
|
if (value == '0x') { value = '0x0'; }
|
|
value = new BN(value.substring(2), 16);
|
|
|
|
} else if (typeof(value) === 'string' && value.match(/^-?[0-9]*$/)) {
|
|
if (value == '') { value = '0'; }
|
|
value = new BN(value);
|
|
|
|
} else if (typeof(value) === 'number' && parseInt(value) == value) {
|
|
value = new BN(value);
|
|
|
|
} else if (BN.isBN(value)) {
|
|
//value = value
|
|
|
|
} else if (isBigNumber(value)) {
|
|
value = value._bn;
|
|
|
|
} else if (convert.isArrayish(value)) {
|
|
value = new BN(convert.hexlify(value).substring(2), 16);
|
|
|
|
} else {
|
|
throwError('invalid BigNumber value', { input: value });
|
|
}
|
|
|
|
defineProperty(this, '_bn', value);
|
|
}
|
|
|
|
defineProperty(BigNumber, 'constantNegativeOne', bigNumberify(-1));
|
|
defineProperty(BigNumber, 'constantZero', bigNumberify(0));
|
|
defineProperty(BigNumber, 'constantOne', bigNumberify(1));
|
|
defineProperty(BigNumber, 'constantTwo', bigNumberify(2));
|
|
defineProperty(BigNumber, 'constantWeiPerEther', bigNumberify(new BN('1000000000000000000')));
|
|
|
|
|
|
defineProperty(BigNumber.prototype, 'fromTwos', function(value) {
|
|
return new BigNumber(this._bn.fromTwos(value));
|
|
});
|
|
|
|
defineProperty(BigNumber.prototype, 'toTwos', function(value) {
|
|
return new BigNumber(this._bn.toTwos(value));
|
|
});
|
|
|
|
|
|
defineProperty(BigNumber.prototype, 'add', function(other) {
|
|
return new BigNumber(this._bn.add(bigNumberify(other)._bn));
|
|
});
|
|
|
|
defineProperty(BigNumber.prototype, 'sub', function(other) {
|
|
return new BigNumber(this._bn.sub(bigNumberify(other)._bn));
|
|
});
|
|
|
|
|
|
defineProperty(BigNumber.prototype, 'div', function(other) {
|
|
return new BigNumber(this._bn.div(bigNumberify(other)._bn));
|
|
});
|
|
|
|
defineProperty(BigNumber.prototype, 'mul', function(other) {
|
|
return new BigNumber(this._bn.mul(bigNumberify(other)._bn));
|
|
});
|
|
|
|
defineProperty(BigNumber.prototype, 'mod', function(other) {
|
|
return new BigNumber(this._bn.mod(bigNumberify(other)._bn));
|
|
});
|
|
|
|
|
|
defineProperty(BigNumber.prototype, 'maskn', function(value) {
|
|
return new BigNumber(this._bn.maskn(value));
|
|
});
|
|
|
|
|
|
|
|
defineProperty(BigNumber.prototype, 'eq', function(other) {
|
|
return this._bn.eq(bigNumberify(other)._bn);
|
|
});
|
|
|
|
defineProperty(BigNumber.prototype, 'lt', function(other) {
|
|
return this._bn.lt(bigNumberify(other)._bn);
|
|
});
|
|
|
|
defineProperty(BigNumber.prototype, 'lte', function(other) {
|
|
return this._bn.lte(bigNumberify(other)._bn);
|
|
});
|
|
|
|
defineProperty(BigNumber.prototype, 'gt', function(other) {
|
|
return this._bn.gt(bigNumberify(other)._bn);
|
|
});
|
|
|
|
defineProperty(BigNumber.prototype, 'gte', function(other) {
|
|
return this._bn.gte(bigNumberify(other)._bn);
|
|
});
|
|
|
|
|
|
defineProperty(BigNumber.prototype, 'isZero', function() {
|
|
return this._bn.isZero();
|
|
});
|
|
|
|
|
|
defineProperty(BigNumber.prototype, 'toNumber', function(base) {
|
|
return this._bn.toNumber();
|
|
});
|
|
|
|
defineProperty(BigNumber.prototype, 'toString', function() {
|
|
//return this._bn.toString(base || 10);
|
|
return this._bn.toString(10);
|
|
});
|
|
|
|
defineProperty(BigNumber.prototype, 'toHexString', function() {
|
|
var hex = this._bn.toString(16);
|
|
if (hex.length % 2) { hex = '0' + hex; }
|
|
return '0x' + hex;
|
|
});
|
|
|
|
|
|
function isBigNumber(value) {
|
|
return (value._bn && value._bn.mod);
|
|
}
|
|
|
|
function bigNumberify(value) {
|
|
if (isBigNumber(value)) { return value; }
|
|
return new BigNumber(value);
|
|
}
|
|
|
|
module.exports = {
|
|
isBigNumber: isBigNumber,
|
|
bigNumberify: bigNumberify
|
|
};
|
|
|
|
},{"./convert":12,"./properties":15,"./throw-error":18,"bn.js":8}],11:[function(require,module,exports){
|
|
|
|
var getAddress = require('./address').getAddress;
|
|
var convert = require('./convert');
|
|
var keccak256 = require('./keccak256');
|
|
var RLP = require('./rlp');
|
|
|
|
// http://ethereum.stackexchange.com/questions/760/how-is-the-address-of-an-ethereum-contract-computed
|
|
function getContractAddress(transaction) {
|
|
if (!transaction.from) { throw new Error('missing from address'); }
|
|
var nonce = transaction.nonce;
|
|
|
|
return getAddress('0x' + keccak256(RLP.encode([
|
|
getAddress(transaction.from),
|
|
convert.stripZeros(convert.hexlify(nonce, 'nonce'))
|
|
])).substring(26));
|
|
}
|
|
|
|
module.exports = {
|
|
getContractAddress: getContractAddress,
|
|
}
|
|
|
|
},{"./address":9,"./convert":12,"./keccak256":13,"./rlp":16}],12:[function(require,module,exports){
|
|
/**
|
|
* Conversion Utilities
|
|
*
|
|
*/
|
|
|
|
var defineProperty = require('./properties.js').defineProperty;
|
|
var throwError = require('./throw-error');
|
|
|
|
function isArrayish(value) {
|
|
if (!value || parseInt(value.length) != value.length || typeof(value) === 'string') {
|
|
return false;
|
|
}
|
|
|
|
for (var i = 0; i < value.length; i++) {
|
|
var v = value[i];
|
|
if (v < 0 || v >= 256 || parseInt(v) != v) {
|
|
return false;
|
|
}
|
|
}
|
|
|
|
return true;
|
|
}
|
|
|
|
function arrayify(value, name) {
|
|
|
|
if (value && value.toHexString) {
|
|
value = value.toHexString();
|
|
}
|
|
|
|
if (isHexString(value)) {
|
|
value = value.substring(2);
|
|
if (value.length % 2) { value = '0' + value; }
|
|
|
|
var result = [];
|
|
for (var i = 0; i < value.length; i += 2) {
|
|
result.push(parseInt(value.substr(i, 2), 16));
|
|
}
|
|
|
|
return new Uint8Array(result);
|
|
}
|
|
|
|
if (isArrayish(value)) {
|
|
return new Uint8Array(value);
|
|
}
|
|
|
|
throwError('invalid arrayify value', { name: name, input: value });
|
|
}
|
|
|
|
function concat(objects) {
|
|
var arrays = [];
|
|
var length = 0;
|
|
for (var i = 0; i < objects.length; i++) {
|
|
var object = arrayify(objects[i])
|
|
arrays.push(object);
|
|
length += object.length;
|
|
}
|
|
|
|
var result = new Uint8Array(length);
|
|
var offset = 0;
|
|
for (var i = 0; i < arrays.length; i++) {
|
|
result.set(arrays[i], offset);
|
|
offset += arrays[i].length;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
function stripZeros(value) {
|
|
value = arrayify(value);
|
|
|
|
if (value.length === 0) { return value; }
|
|
|
|
// Find the first non-zero entry
|
|
var start = 0;
|
|
while (value[start] === 0) { start++ }
|
|
|
|
// If we started with zeros, strip them
|
|
if (start) {
|
|
value = value.slice(start);
|
|
}
|
|
|
|
return value;
|
|
}
|
|
|
|
function padZeros(value, length) {
|
|
value = arrayify(value);
|
|
|
|
if (length < value.length) { throw new Error('cannot pad'); }
|
|
|
|
var result = new Uint8Array(length);
|
|
result.set(value, length - value.length);
|
|
return result;
|
|
}
|
|
|
|
|
|
function isHexString(value, length) {
|
|
if (typeof(value) !== 'string' || !value.match(/^0x[0-9A-Fa-f]*$/)) {
|
|
return false
|
|
}
|
|
if (length && value.length !== 2 + 2 * length) { return false; }
|
|
return true;
|
|
}
|
|
|
|
var HexCharacters = '0123456789abcdef';
|
|
|
|
function hexlify(value, name) {
|
|
|
|
if (value && value.toHexString) {
|
|
return value.toHexString();
|
|
}
|
|
|
|
if (typeof(value) === 'number') {
|
|
if (value < 0) {
|
|
throwError('cannot hexlify negative value', { name: name, input: value });
|
|
}
|
|
|
|
var hex = '';
|
|
while (value) {
|
|
hex = HexCharacters[value & 0x0f] + hex;
|
|
value = parseInt(value / 16);
|
|
}
|
|
|
|
if (hex.length) {
|
|
if (hex.length % 2) { hex = '0' + hex; }
|
|
return '0x' + hex;
|
|
}
|
|
|
|
return '0x00';
|
|
}
|
|
|
|
if (isHexString(value)) {
|
|
if (value.length % 2) {
|
|
value = '0x0' + value.substring(2);
|
|
}
|
|
return value;
|
|
}
|
|
|
|
if (isArrayish(value)) {
|
|
var result = [];
|
|
for (var i = 0; i < value.length; i++) {
|
|
var v = value[i];
|
|
result.push(HexCharacters[(v & 0xf0) >> 4] + HexCharacters[v & 0x0f]);
|
|
}
|
|
return '0x' + result.join('');
|
|
}
|
|
|
|
throwError('invalid hexlify value', { name: name, input: value });
|
|
}
|
|
|
|
|
|
module.exports = {
|
|
arrayify: arrayify,
|
|
isArrayish: isArrayish,
|
|
|
|
concat: concat,
|
|
|
|
padZeros: padZeros,
|
|
stripZeros: stripZeros,
|
|
|
|
hexlify: hexlify,
|
|
isHexString: isHexString,
|
|
};
|
|
|
|
},{"./properties.js":15,"./throw-error":18}],13:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var sha3 = require('js-sha3');
|
|
|
|
var convert = require('./convert.js');
|
|
|
|
function keccak256(data) {
|
|
data = convert.arrayify(data);
|
|
return '0x' + sha3.keccak_256(data);
|
|
}
|
|
|
|
module.exports = keccak256;
|
|
|
|
},{"./convert.js":12,"js-sha3":21}],14:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var convert = require('./convert');
|
|
var utf8 = require('./utf8');
|
|
var keccak256 = require('./keccak256');
|
|
|
|
var Zeros = [0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0];
|
|
var Partition = new RegExp("^((.*)\\.)?([^.]+)$");
|
|
var UseSTD3ASCIIRules = new RegExp("^[a-z0-9.-]*$");
|
|
|
|
function namehash(name, depth) {
|
|
name = name.toLowerCase();
|
|
|
|
// Supporting the full UTF-8 space requires additional (and large)
|
|
// libraries, so for now we simply do not support them.
|
|
// It should be fairly easy in the future to support systems with
|
|
// String.normalize, but that is future work.
|
|
if (!name.match(UseSTD3ASCIIRules)) {
|
|
throw new Error('contains invalid UseSTD3ASCIIRules characters');
|
|
}
|
|
|
|
var result = Zeros;
|
|
var processed = 0;
|
|
while (name.length && (!depth || processed < depth)) {
|
|
var partition = name.match(Partition);
|
|
var label = utf8.toUtf8Bytes(partition[3]);
|
|
result = keccak256(convert.concat([result, keccak256(label)]));
|
|
|
|
name = partition[2] || '';
|
|
|
|
processed++;
|
|
}
|
|
|
|
return convert.hexlify(result);
|
|
}
|
|
|
|
module.exports = namehash;
|
|
|
|
|
|
},{"./convert":12,"./keccak256":13,"./utf8":19}],15:[function(require,module,exports){
|
|
function defineProperty(object, name, value) {
|
|
Object.defineProperty(object, name, {
|
|
enumerable: true,
|
|
value: value,
|
|
writable: false,
|
|
});
|
|
}
|
|
|
|
module.exports = {
|
|
defineProperty: defineProperty,
|
|
};
|
|
|
|
},{}],16:[function(require,module,exports){
|
|
//See: https://github.com/ethereum/wiki/wiki/RLP
|
|
|
|
var convert = require('./convert.js');
|
|
|
|
function arrayifyInteger(value) {
|
|
var result = [];
|
|
while (value) {
|
|
result.unshift(value & 0xff);
|
|
value >>= 8;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
function unarrayifyInteger(data, offset, length) {
|
|
var result = 0;
|
|
for (var i = 0; i < length; i++) {
|
|
result = (result * 256) + data[offset + i];
|
|
}
|
|
return result;
|
|
}
|
|
|
|
function _encode(object) {
|
|
if (Array.isArray(object)) {
|
|
var payload = [];
|
|
object.forEach(function(child) {
|
|
payload = payload.concat(_encode(child));
|
|
});
|
|
|
|
if (payload.length <= 55) {
|
|
payload.unshift(0xc0 + payload.length)
|
|
return payload;
|
|
}
|
|
|
|
var length = arrayifyInteger(payload.length);
|
|
length.unshift(0xf7 + length.length);
|
|
|
|
return length.concat(payload);
|
|
|
|
} else {
|
|
object = [].slice.call(convert.arrayify(object));
|
|
|
|
if (object.length === 1 && object[0] <= 0x7f) {
|
|
return object;
|
|
|
|
} else if (object.length <= 55) {
|
|
object.unshift(0x80 + object.length);
|
|
return object
|
|
}
|
|
|
|
var length = arrayifyInteger(object.length);
|
|
length.unshift(0xb7 + length.length);
|
|
|
|
return length.concat(object);
|
|
}
|
|
}
|
|
|
|
function encode(object) {
|
|
return convert.hexlify(_encode(object));
|
|
}
|
|
|
|
function _decodeChildren(data, offset, childOffset, length) {
|
|
var result = [];
|
|
|
|
while (childOffset < offset + 1 + length) {
|
|
var decoded = _decode(data, childOffset);
|
|
|
|
result.push(decoded.result);
|
|
|
|
childOffset += decoded.consumed;
|
|
if (childOffset > offset + 1 + length) {
|
|
throw new Error('invalid rlp');
|
|
}
|
|
}
|
|
|
|
return {consumed: (1 + length), result: result};
|
|
}
|
|
|
|
// returns { consumed: number, result: Object }
|
|
function _decode(data, offset) {
|
|
if (data.length === 0) { throw new Error('invalid rlp data'); }
|
|
|
|
// Array with extra length prefix
|
|
if (data[offset] >= 0xf8) {
|
|
var lengthLength = data[offset] - 0xf7;
|
|
if (offset + 1 + lengthLength > data.length) {
|
|
throw new Error('too short');
|
|
}
|
|
|
|
var length = unarrayifyInteger(data, offset + 1, lengthLength);
|
|
if (offset + 1 + lengthLength + length > data.length) {
|
|
throw new Error('to short');
|
|
}
|
|
|
|
return _decodeChildren(data, offset, offset + 1 + lengthLength, lengthLength + length);
|
|
|
|
} else if (data[offset] >= 0xc0) {
|
|
var length = data[offset] - 0xc0;
|
|
if (offset + 1 + length > data.length) {
|
|
throw new Error('invalid rlp data');
|
|
}
|
|
|
|
return _decodeChildren(data, offset, offset + 1, length);
|
|
|
|
} else if (data[offset] >= 0xb8) {
|
|
var lengthLength = data[offset] - 0xb7;
|
|
if (offset + 1 + lengthLength > data.length) {
|
|
throw new Error('invalid rlp data');
|
|
}
|
|
|
|
var length = unarrayifyInteger(data, offset + 1, lengthLength);
|
|
if (offset + 1 + lengthLength + length > data.length) {
|
|
throw new Error('invalid rlp data');
|
|
}
|
|
|
|
var result = convert.hexlify(data.slice(offset + 1 + lengthLength, offset + 1 + lengthLength + length));
|
|
return { consumed: (1 + lengthLength + length), result: result }
|
|
|
|
} else if (data[offset] >= 0x80) {
|
|
var length = data[offset] - 0x80;
|
|
if (offset + 1 + length > data.offset) {
|
|
throw new Error('invlaid rlp data');
|
|
}
|
|
|
|
var result = convert.hexlify(data.slice(offset + 1, offset + 1 + length));
|
|
return { consumed: (1 + length), result: result }
|
|
}
|
|
return { consumed: 1, result: convert.hexlify(data[offset]) };
|
|
}
|
|
|
|
function decode(data) {
|
|
data = convert.arrayify(data);
|
|
var decoded = _decode(data, 0);
|
|
if (decoded.consumed !== data.length) {
|
|
throw new Error('invalid rlp data');
|
|
}
|
|
return decoded.result;
|
|
}
|
|
|
|
module.exports = {
|
|
encode: encode,
|
|
decode: decode,
|
|
}
|
|
|
|
},{"./convert.js":12}],17:[function(require,module,exports){
|
|
(function (global){
|
|
var defineProperty = require('./properties.js').defineProperty;
|
|
|
|
function Ethers() { }
|
|
|
|
function defineEthersValues(values) {
|
|
|
|
// This is modified in the Gruntfile.js
|
|
if ("__STAND_ALONE_TRUE__" !== ("__STAND_ALONE_" + "TRUE__")) {
|
|
return;
|
|
}
|
|
|
|
if (global.ethers == null) {
|
|
defineProperty(global, 'ethers', new Ethers());
|
|
}
|
|
|
|
for (var key in values) {
|
|
if (global.ethers[key] == null) {
|
|
defineProperty(global.ethers, key, values[key]);
|
|
}
|
|
}
|
|
}
|
|
|
|
module.exports = defineEthersValues;
|
|
|
|
}).call(this,typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{"./properties.js":15}],18:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
function throwError(message, params) {
|
|
var error = new Error(message);
|
|
for (var key in params) {
|
|
error[key] = params[key];
|
|
}
|
|
throw error;
|
|
}
|
|
|
|
module.exports = throwError;
|
|
|
|
},{}],19:[function(require,module,exports){
|
|
|
|
var convert = require('./convert.js');
|
|
|
|
// http://stackoverflow.com/questions/18729405/how-to-convert-utf8-string-to-byte-array
|
|
function utf8ToBytes(str) {
|
|
var result = [];
|
|
var offset = 0;
|
|
for (var i = 0; i < str.length; i++) {
|
|
var c = str.charCodeAt(i);
|
|
if (c < 128) {
|
|
result[offset++] = c;
|
|
} else if (c < 2048) {
|
|
result[offset++] = (c >> 6) | 192;
|
|
result[offset++] = (c & 63) | 128;
|
|
} else if (((c & 0xFC00) == 0xD800) && (i + 1) < str.length && ((str.charCodeAt(i + 1) & 0xFC00) == 0xDC00)) {
|
|
// Surrogate Pair
|
|
c = 0x10000 + ((c & 0x03FF) << 10) + (str.charCodeAt(++i) & 0x03FF);
|
|
result[offset++] = (c >> 18) | 240;
|
|
result[offset++] = ((c >> 12) & 63) | 128;
|
|
result[offset++] = ((c >> 6) & 63) | 128;
|
|
result[offset++] = (c & 63) | 128;
|
|
} else {
|
|
result[offset++] = (c >> 12) | 224;
|
|
result[offset++] = ((c >> 6) & 63) | 128;
|
|
result[offset++] = (c & 63) | 128;
|
|
}
|
|
}
|
|
|
|
return convert.arrayify(result);
|
|
};
|
|
|
|
|
|
// http://stackoverflow.com/questions/13356493/decode-utf-8-with-javascript#13691499
|
|
function bytesToUtf8(bytes) {
|
|
bytes = convert.arrayify(bytes);
|
|
|
|
var result = '';
|
|
var i = 0;
|
|
|
|
// Invalid bytes are ignored
|
|
while(i < bytes.length) {
|
|
var c = bytes[i++];
|
|
if (c >> 7 == 0) {
|
|
// 0xxx xxxx
|
|
result += String.fromCharCode(c);
|
|
continue;
|
|
}
|
|
|
|
// Invalid starting byte
|
|
if (c >> 6 == 0x02) { continue; }
|
|
|
|
// Multibyte; how many bytes left for thus character?
|
|
var extraLength = null;
|
|
if (c >> 5 == 0x06) {
|
|
extraLength = 1;
|
|
} else if (c >> 4 == 0x0e) {
|
|
extraLength = 2;
|
|
} else if (c >> 3 == 0x1e) {
|
|
extraLength = 3;
|
|
} else if (c >> 2 == 0x3e) {
|
|
extraLength = 4;
|
|
} else if (c >> 1 == 0x7e) {
|
|
extraLength = 5;
|
|
} else {
|
|
continue;
|
|
}
|
|
|
|
// Do we have enough bytes in our data?
|
|
if (i + extraLength > bytes.length) {
|
|
|
|
// If there is an invalid unprocessed byte, try to continue
|
|
for (; i < bytes.length; i++) {
|
|
if (bytes[i] >> 6 != 0x02) { break; }
|
|
}
|
|
if (i != bytes.length) continue;
|
|
|
|
// All leftover bytes are valid.
|
|
return result;
|
|
}
|
|
|
|
// Remove the UTF-8 prefix from the char (res)
|
|
var res = c & ((1 << (8 - extraLength - 1)) - 1);
|
|
|
|
var count;
|
|
for (count = 0; count < extraLength; count++) {
|
|
var nextChar = bytes[i++];
|
|
|
|
// Is the char valid multibyte part?
|
|
if (nextChar >> 6 != 0x02) {break;};
|
|
res = (res << 6) | (nextChar & 0x3f);
|
|
}
|
|
|
|
if (count != extraLength) {
|
|
i--;
|
|
continue;
|
|
}
|
|
|
|
if (res <= 0xffff) {
|
|
result += String.fromCharCode(res);
|
|
continue;
|
|
}
|
|
|
|
res -= 0x10000;
|
|
result += String.fromCharCode(((res >> 10) & 0x3ff) + 0xd800, (res & 0x3ff) + 0xdc00);
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
module.exports = {
|
|
toUtf8Bytes: utf8ToBytes,
|
|
toUtf8String: bytesToUtf8,
|
|
};
|
|
|
|
},{"./convert.js":12}],20:[function(require,module,exports){
|
|
if (typeof Object.create === 'function') {
|
|
// implementation from standard node.js 'util' module
|
|
module.exports = function inherits(ctor, superCtor) {
|
|
ctor.super_ = superCtor
|
|
ctor.prototype = Object.create(superCtor.prototype, {
|
|
constructor: {
|
|
value: ctor,
|
|
enumerable: false,
|
|
writable: true,
|
|
configurable: true
|
|
}
|
|
});
|
|
};
|
|
} else {
|
|
// old school shim for old browsers
|
|
module.exports = function inherits(ctor, superCtor) {
|
|
ctor.super_ = superCtor
|
|
var TempCtor = function () {}
|
|
TempCtor.prototype = superCtor.prototype
|
|
ctor.prototype = new TempCtor()
|
|
ctor.prototype.constructor = ctor
|
|
}
|
|
}
|
|
|
|
},{}],21:[function(require,module,exports){
|
|
(function (process,global){
|
|
/**
|
|
* [js-sha3]{@link https://github.com/emn178/js-sha3}
|
|
*
|
|
* @version 0.5.7
|
|
* @author Chen, Yi-Cyuan [emn178@gmail.com]
|
|
* @copyright Chen, Yi-Cyuan 2015-2016
|
|
* @license MIT
|
|
*/
|
|
/*jslint bitwise: true */
|
|
(function () {
|
|
'use strict';
|
|
|
|
var root = typeof window === 'object' ? window : {};
|
|
var NODE_JS = !root.JS_SHA3_NO_NODE_JS && typeof process === 'object' && process.versions && process.versions.node;
|
|
if (NODE_JS) {
|
|
root = global;
|
|
}
|
|
var COMMON_JS = !root.JS_SHA3_NO_COMMON_JS && typeof module === 'object' && module.exports;
|
|
var HEX_CHARS = '0123456789abcdef'.split('');
|
|
var SHAKE_PADDING = [31, 7936, 2031616, 520093696];
|
|
var KECCAK_PADDING = [1, 256, 65536, 16777216];
|
|
var PADDING = [6, 1536, 393216, 100663296];
|
|
var SHIFT = [0, 8, 16, 24];
|
|
var RC = [1, 0, 32898, 0, 32906, 2147483648, 2147516416, 2147483648, 32907, 0, 2147483649,
|
|
0, 2147516545, 2147483648, 32777, 2147483648, 138, 0, 136, 0, 2147516425, 0,
|
|
2147483658, 0, 2147516555, 0, 139, 2147483648, 32905, 2147483648, 32771,
|
|
2147483648, 32770, 2147483648, 128, 2147483648, 32778, 0, 2147483658, 2147483648,
|
|
2147516545, 2147483648, 32896, 2147483648, 2147483649, 0, 2147516424, 2147483648];
|
|
var BITS = [224, 256, 384, 512];
|
|
var SHAKE_BITS = [128, 256];
|
|
var OUTPUT_TYPES = ['hex', 'buffer', 'arrayBuffer', 'array'];
|
|
|
|
var createOutputMethod = function (bits, padding, outputType) {
|
|
return function (message) {
|
|
return new Keccak(bits, padding, bits).update(message)[outputType]();
|
|
};
|
|
};
|
|
|
|
var createShakeOutputMethod = function (bits, padding, outputType) {
|
|
return function (message, outputBits) {
|
|
return new Keccak(bits, padding, outputBits).update(message)[outputType]();
|
|
};
|
|
};
|
|
|
|
var createMethod = function (bits, padding) {
|
|
var method = createOutputMethod(bits, padding, 'hex');
|
|
method.create = function () {
|
|
return new Keccak(bits, padding, bits);
|
|
};
|
|
method.update = function (message) {
|
|
return method.create().update(message);
|
|
};
|
|
for (var i = 0; i < OUTPUT_TYPES.length; ++i) {
|
|
var type = OUTPUT_TYPES[i];
|
|
method[type] = createOutputMethod(bits, padding, type);
|
|
}
|
|
return method;
|
|
};
|
|
|
|
var createShakeMethod = function (bits, padding) {
|
|
var method = createShakeOutputMethod(bits, padding, 'hex');
|
|
method.create = function (outputBits) {
|
|
return new Keccak(bits, padding, outputBits);
|
|
};
|
|
method.update = function (message, outputBits) {
|
|
return method.create(outputBits).update(message);
|
|
};
|
|
for (var i = 0; i < OUTPUT_TYPES.length; ++i) {
|
|
var type = OUTPUT_TYPES[i];
|
|
method[type] = createShakeOutputMethod(bits, padding, type);
|
|
}
|
|
return method;
|
|
};
|
|
|
|
var algorithms = [
|
|
{name: 'keccak', padding: KECCAK_PADDING, bits: BITS, createMethod: createMethod},
|
|
{name: 'sha3', padding: PADDING, bits: BITS, createMethod: createMethod},
|
|
{name: 'shake', padding: SHAKE_PADDING, bits: SHAKE_BITS, createMethod: createShakeMethod}
|
|
];
|
|
|
|
var methods = {}, methodNames = [];
|
|
|
|
for (var i = 0; i < algorithms.length; ++i) {
|
|
var algorithm = algorithms[i];
|
|
var bits = algorithm.bits;
|
|
for (var j = 0; j < bits.length; ++j) {
|
|
var methodName = algorithm.name +'_' + bits[j];
|
|
methodNames.push(methodName);
|
|
methods[methodName] = algorithm.createMethod(bits[j], algorithm.padding);
|
|
}
|
|
}
|
|
|
|
function Keccak(bits, padding, outputBits) {
|
|
this.blocks = [];
|
|
this.s = [];
|
|
this.padding = padding;
|
|
this.outputBits = outputBits;
|
|
this.reset = true;
|
|
this.block = 0;
|
|
this.start = 0;
|
|
this.blockCount = (1600 - (bits << 1)) >> 5;
|
|
this.byteCount = this.blockCount << 2;
|
|
this.outputBlocks = outputBits >> 5;
|
|
this.extraBytes = (outputBits & 31) >> 3;
|
|
|
|
for (var i = 0; i < 50; ++i) {
|
|
this.s[i] = 0;
|
|
}
|
|
}
|
|
|
|
Keccak.prototype.update = function (message) {
|
|
var notString = typeof message !== 'string';
|
|
if (notString && message.constructor === ArrayBuffer) {
|
|
message = new Uint8Array(message);
|
|
}
|
|
var length = message.length, blocks = this.blocks, byteCount = this.byteCount,
|
|
blockCount = this.blockCount, index = 0, s = this.s, i, code;
|
|
|
|
while (index < length) {
|
|
if (this.reset) {
|
|
this.reset = false;
|
|
blocks[0] = this.block;
|
|
for (i = 1; i < blockCount + 1; ++i) {
|
|
blocks[i] = 0;
|
|
}
|
|
}
|
|
if (notString) {
|
|
for (i = this.start; index < length && i < byteCount; ++index) {
|
|
blocks[i >> 2] |= message[index] << SHIFT[i++ & 3];
|
|
}
|
|
} else {
|
|
for (i = this.start; index < length && i < byteCount; ++index) {
|
|
code = message.charCodeAt(index);
|
|
if (code < 0x80) {
|
|
blocks[i >> 2] |= code << SHIFT[i++ & 3];
|
|
} else if (code < 0x800) {
|
|
blocks[i >> 2] |= (0xc0 | (code >> 6)) << SHIFT[i++ & 3];
|
|
blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
|
|
} else if (code < 0xd800 || code >= 0xe000) {
|
|
blocks[i >> 2] |= (0xe0 | (code >> 12)) << SHIFT[i++ & 3];
|
|
blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
|
|
blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
|
|
} else {
|
|
code = 0x10000 + (((code & 0x3ff) << 10) | (message.charCodeAt(++index) & 0x3ff));
|
|
blocks[i >> 2] |= (0xf0 | (code >> 18)) << SHIFT[i++ & 3];
|
|
blocks[i >> 2] |= (0x80 | ((code >> 12) & 0x3f)) << SHIFT[i++ & 3];
|
|
blocks[i >> 2] |= (0x80 | ((code >> 6) & 0x3f)) << SHIFT[i++ & 3];
|
|
blocks[i >> 2] |= (0x80 | (code & 0x3f)) << SHIFT[i++ & 3];
|
|
}
|
|
}
|
|
}
|
|
this.lastByteIndex = i;
|
|
if (i >= byteCount) {
|
|
this.start = i - byteCount;
|
|
this.block = blocks[blockCount];
|
|
for (i = 0; i < blockCount; ++i) {
|
|
s[i] ^= blocks[i];
|
|
}
|
|
f(s);
|
|
this.reset = true;
|
|
} else {
|
|
this.start = i;
|
|
}
|
|
}
|
|
return this;
|
|
};
|
|
|
|
Keccak.prototype.finalize = function () {
|
|
var blocks = this.blocks, i = this.lastByteIndex, blockCount = this.blockCount, s = this.s;
|
|
blocks[i >> 2] |= this.padding[i & 3];
|
|
if (this.lastByteIndex === this.byteCount) {
|
|
blocks[0] = blocks[blockCount];
|
|
for (i = 1; i < blockCount + 1; ++i) {
|
|
blocks[i] = 0;
|
|
}
|
|
}
|
|
blocks[blockCount - 1] |= 0x80000000;
|
|
for (i = 0; i < blockCount; ++i) {
|
|
s[i] ^= blocks[i];
|
|
}
|
|
f(s);
|
|
};
|
|
|
|
Keccak.prototype.toString = Keccak.prototype.hex = function () {
|
|
this.finalize();
|
|
|
|
var blockCount = this.blockCount, s = this.s, outputBlocks = this.outputBlocks,
|
|
extraBytes = this.extraBytes, i = 0, j = 0;
|
|
var hex = '', block;
|
|
while (j < outputBlocks) {
|
|
for (i = 0; i < blockCount && j < outputBlocks; ++i, ++j) {
|
|
block = s[i];
|
|
hex += HEX_CHARS[(block >> 4) & 0x0F] + HEX_CHARS[block & 0x0F] +
|
|
HEX_CHARS[(block >> 12) & 0x0F] + HEX_CHARS[(block >> 8) & 0x0F] +
|
|
HEX_CHARS[(block >> 20) & 0x0F] + HEX_CHARS[(block >> 16) & 0x0F] +
|
|
HEX_CHARS[(block >> 28) & 0x0F] + HEX_CHARS[(block >> 24) & 0x0F];
|
|
}
|
|
if (j % blockCount === 0) {
|
|
f(s);
|
|
i = 0;
|
|
}
|
|
}
|
|
if (extraBytes) {
|
|
block = s[i];
|
|
if (extraBytes > 0) {
|
|
hex += HEX_CHARS[(block >> 4) & 0x0F] + HEX_CHARS[block & 0x0F];
|
|
}
|
|
if (extraBytes > 1) {
|
|
hex += HEX_CHARS[(block >> 12) & 0x0F] + HEX_CHARS[(block >> 8) & 0x0F];
|
|
}
|
|
if (extraBytes > 2) {
|
|
hex += HEX_CHARS[(block >> 20) & 0x0F] + HEX_CHARS[(block >> 16) & 0x0F];
|
|
}
|
|
}
|
|
return hex;
|
|
};
|
|
|
|
Keccak.prototype.arrayBuffer = function () {
|
|
this.finalize();
|
|
|
|
var blockCount = this.blockCount, s = this.s, outputBlocks = this.outputBlocks,
|
|
extraBytes = this.extraBytes, i = 0, j = 0;
|
|
var bytes = this.outputBits >> 3;
|
|
var buffer;
|
|
if (extraBytes) {
|
|
buffer = new ArrayBuffer((outputBlocks + 1) << 2);
|
|
} else {
|
|
buffer = new ArrayBuffer(bytes);
|
|
}
|
|
var array = new Uint32Array(buffer);
|
|
while (j < outputBlocks) {
|
|
for (i = 0; i < blockCount && j < outputBlocks; ++i, ++j) {
|
|
array[j] = s[i];
|
|
}
|
|
if (j % blockCount === 0) {
|
|
f(s);
|
|
}
|
|
}
|
|
if (extraBytes) {
|
|
array[i] = s[i];
|
|
buffer = buffer.slice(0, bytes);
|
|
}
|
|
return buffer;
|
|
};
|
|
|
|
Keccak.prototype.buffer = Keccak.prototype.arrayBuffer;
|
|
|
|
Keccak.prototype.digest = Keccak.prototype.array = function () {
|
|
this.finalize();
|
|
|
|
var blockCount = this.blockCount, s = this.s, outputBlocks = this.outputBlocks,
|
|
extraBytes = this.extraBytes, i = 0, j = 0;
|
|
var array = [], offset, block;
|
|
while (j < outputBlocks) {
|
|
for (i = 0; i < blockCount && j < outputBlocks; ++i, ++j) {
|
|
offset = j << 2;
|
|
block = s[i];
|
|
array[offset] = block & 0xFF;
|
|
array[offset + 1] = (block >> 8) & 0xFF;
|
|
array[offset + 2] = (block >> 16) & 0xFF;
|
|
array[offset + 3] = (block >> 24) & 0xFF;
|
|
}
|
|
if (j % blockCount === 0) {
|
|
f(s);
|
|
}
|
|
}
|
|
if (extraBytes) {
|
|
offset = j << 2;
|
|
block = s[i];
|
|
if (extraBytes > 0) {
|
|
array[offset] = block & 0xFF;
|
|
}
|
|
if (extraBytes > 1) {
|
|
array[offset + 1] = (block >> 8) & 0xFF;
|
|
}
|
|
if (extraBytes > 2) {
|
|
array[offset + 2] = (block >> 16) & 0xFF;
|
|
}
|
|
}
|
|
return array;
|
|
};
|
|
|
|
var f = function (s) {
|
|
var h, l, n, c0, c1, c2, c3, c4, c5, c6, c7, c8, c9,
|
|
b0, b1, b2, b3, b4, b5, b6, b7, b8, b9, b10, b11, b12, b13, b14, b15, b16, b17,
|
|
b18, b19, b20, b21, b22, b23, b24, b25, b26, b27, b28, b29, b30, b31, b32, b33,
|
|
b34, b35, b36, b37, b38, b39, b40, b41, b42, b43, b44, b45, b46, b47, b48, b49;
|
|
for (n = 0; n < 48; n += 2) {
|
|
c0 = s[0] ^ s[10] ^ s[20] ^ s[30] ^ s[40];
|
|
c1 = s[1] ^ s[11] ^ s[21] ^ s[31] ^ s[41];
|
|
c2 = s[2] ^ s[12] ^ s[22] ^ s[32] ^ s[42];
|
|
c3 = s[3] ^ s[13] ^ s[23] ^ s[33] ^ s[43];
|
|
c4 = s[4] ^ s[14] ^ s[24] ^ s[34] ^ s[44];
|
|
c5 = s[5] ^ s[15] ^ s[25] ^ s[35] ^ s[45];
|
|
c6 = s[6] ^ s[16] ^ s[26] ^ s[36] ^ s[46];
|
|
c7 = s[7] ^ s[17] ^ s[27] ^ s[37] ^ s[47];
|
|
c8 = s[8] ^ s[18] ^ s[28] ^ s[38] ^ s[48];
|
|
c9 = s[9] ^ s[19] ^ s[29] ^ s[39] ^ s[49];
|
|
|
|
h = c8 ^ ((c2 << 1) | (c3 >>> 31));
|
|
l = c9 ^ ((c3 << 1) | (c2 >>> 31));
|
|
s[0] ^= h;
|
|
s[1] ^= l;
|
|
s[10] ^= h;
|
|
s[11] ^= l;
|
|
s[20] ^= h;
|
|
s[21] ^= l;
|
|
s[30] ^= h;
|
|
s[31] ^= l;
|
|
s[40] ^= h;
|
|
s[41] ^= l;
|
|
h = c0 ^ ((c4 << 1) | (c5 >>> 31));
|
|
l = c1 ^ ((c5 << 1) | (c4 >>> 31));
|
|
s[2] ^= h;
|
|
s[3] ^= l;
|
|
s[12] ^= h;
|
|
s[13] ^= l;
|
|
s[22] ^= h;
|
|
s[23] ^= l;
|
|
s[32] ^= h;
|
|
s[33] ^= l;
|
|
s[42] ^= h;
|
|
s[43] ^= l;
|
|
h = c2 ^ ((c6 << 1) | (c7 >>> 31));
|
|
l = c3 ^ ((c7 << 1) | (c6 >>> 31));
|
|
s[4] ^= h;
|
|
s[5] ^= l;
|
|
s[14] ^= h;
|
|
s[15] ^= l;
|
|
s[24] ^= h;
|
|
s[25] ^= l;
|
|
s[34] ^= h;
|
|
s[35] ^= l;
|
|
s[44] ^= h;
|
|
s[45] ^= l;
|
|
h = c4 ^ ((c8 << 1) | (c9 >>> 31));
|
|
l = c5 ^ ((c9 << 1) | (c8 >>> 31));
|
|
s[6] ^= h;
|
|
s[7] ^= l;
|
|
s[16] ^= h;
|
|
s[17] ^= l;
|
|
s[26] ^= h;
|
|
s[27] ^= l;
|
|
s[36] ^= h;
|
|
s[37] ^= l;
|
|
s[46] ^= h;
|
|
s[47] ^= l;
|
|
h = c6 ^ ((c0 << 1) | (c1 >>> 31));
|
|
l = c7 ^ ((c1 << 1) | (c0 >>> 31));
|
|
s[8] ^= h;
|
|
s[9] ^= l;
|
|
s[18] ^= h;
|
|
s[19] ^= l;
|
|
s[28] ^= h;
|
|
s[29] ^= l;
|
|
s[38] ^= h;
|
|
s[39] ^= l;
|
|
s[48] ^= h;
|
|
s[49] ^= l;
|
|
|
|
b0 = s[0];
|
|
b1 = s[1];
|
|
b32 = (s[11] << 4) | (s[10] >>> 28);
|
|
b33 = (s[10] << 4) | (s[11] >>> 28);
|
|
b14 = (s[20] << 3) | (s[21] >>> 29);
|
|
b15 = (s[21] << 3) | (s[20] >>> 29);
|
|
b46 = (s[31] << 9) | (s[30] >>> 23);
|
|
b47 = (s[30] << 9) | (s[31] >>> 23);
|
|
b28 = (s[40] << 18) | (s[41] >>> 14);
|
|
b29 = (s[41] << 18) | (s[40] >>> 14);
|
|
b20 = (s[2] << 1) | (s[3] >>> 31);
|
|
b21 = (s[3] << 1) | (s[2] >>> 31);
|
|
b2 = (s[13] << 12) | (s[12] >>> 20);
|
|
b3 = (s[12] << 12) | (s[13] >>> 20);
|
|
b34 = (s[22] << 10) | (s[23] >>> 22);
|
|
b35 = (s[23] << 10) | (s[22] >>> 22);
|
|
b16 = (s[33] << 13) | (s[32] >>> 19);
|
|
b17 = (s[32] << 13) | (s[33] >>> 19);
|
|
b48 = (s[42] << 2) | (s[43] >>> 30);
|
|
b49 = (s[43] << 2) | (s[42] >>> 30);
|
|
b40 = (s[5] << 30) | (s[4] >>> 2);
|
|
b41 = (s[4] << 30) | (s[5] >>> 2);
|
|
b22 = (s[14] << 6) | (s[15] >>> 26);
|
|
b23 = (s[15] << 6) | (s[14] >>> 26);
|
|
b4 = (s[25] << 11) | (s[24] >>> 21);
|
|
b5 = (s[24] << 11) | (s[25] >>> 21);
|
|
b36 = (s[34] << 15) | (s[35] >>> 17);
|
|
b37 = (s[35] << 15) | (s[34] >>> 17);
|
|
b18 = (s[45] << 29) | (s[44] >>> 3);
|
|
b19 = (s[44] << 29) | (s[45] >>> 3);
|
|
b10 = (s[6] << 28) | (s[7] >>> 4);
|
|
b11 = (s[7] << 28) | (s[6] >>> 4);
|
|
b42 = (s[17] << 23) | (s[16] >>> 9);
|
|
b43 = (s[16] << 23) | (s[17] >>> 9);
|
|
b24 = (s[26] << 25) | (s[27] >>> 7);
|
|
b25 = (s[27] << 25) | (s[26] >>> 7);
|
|
b6 = (s[36] << 21) | (s[37] >>> 11);
|
|
b7 = (s[37] << 21) | (s[36] >>> 11);
|
|
b38 = (s[47] << 24) | (s[46] >>> 8);
|
|
b39 = (s[46] << 24) | (s[47] >>> 8);
|
|
b30 = (s[8] << 27) | (s[9] >>> 5);
|
|
b31 = (s[9] << 27) | (s[8] >>> 5);
|
|
b12 = (s[18] << 20) | (s[19] >>> 12);
|
|
b13 = (s[19] << 20) | (s[18] >>> 12);
|
|
b44 = (s[29] << 7) | (s[28] >>> 25);
|
|
b45 = (s[28] << 7) | (s[29] >>> 25);
|
|
b26 = (s[38] << 8) | (s[39] >>> 24);
|
|
b27 = (s[39] << 8) | (s[38] >>> 24);
|
|
b8 = (s[48] << 14) | (s[49] >>> 18);
|
|
b9 = (s[49] << 14) | (s[48] >>> 18);
|
|
|
|
s[0] = b0 ^ (~b2 & b4);
|
|
s[1] = b1 ^ (~b3 & b5);
|
|
s[10] = b10 ^ (~b12 & b14);
|
|
s[11] = b11 ^ (~b13 & b15);
|
|
s[20] = b20 ^ (~b22 & b24);
|
|
s[21] = b21 ^ (~b23 & b25);
|
|
s[30] = b30 ^ (~b32 & b34);
|
|
s[31] = b31 ^ (~b33 & b35);
|
|
s[40] = b40 ^ (~b42 & b44);
|
|
s[41] = b41 ^ (~b43 & b45);
|
|
s[2] = b2 ^ (~b4 & b6);
|
|
s[3] = b3 ^ (~b5 & b7);
|
|
s[12] = b12 ^ (~b14 & b16);
|
|
s[13] = b13 ^ (~b15 & b17);
|
|
s[22] = b22 ^ (~b24 & b26);
|
|
s[23] = b23 ^ (~b25 & b27);
|
|
s[32] = b32 ^ (~b34 & b36);
|
|
s[33] = b33 ^ (~b35 & b37);
|
|
s[42] = b42 ^ (~b44 & b46);
|
|
s[43] = b43 ^ (~b45 & b47);
|
|
s[4] = b4 ^ (~b6 & b8);
|
|
s[5] = b5 ^ (~b7 & b9);
|
|
s[14] = b14 ^ (~b16 & b18);
|
|
s[15] = b15 ^ (~b17 & b19);
|
|
s[24] = b24 ^ (~b26 & b28);
|
|
s[25] = b25 ^ (~b27 & b29);
|
|
s[34] = b34 ^ (~b36 & b38);
|
|
s[35] = b35 ^ (~b37 & b39);
|
|
s[44] = b44 ^ (~b46 & b48);
|
|
s[45] = b45 ^ (~b47 & b49);
|
|
s[6] = b6 ^ (~b8 & b0);
|
|
s[7] = b7 ^ (~b9 & b1);
|
|
s[16] = b16 ^ (~b18 & b10);
|
|
s[17] = b17 ^ (~b19 & b11);
|
|
s[26] = b26 ^ (~b28 & b20);
|
|
s[27] = b27 ^ (~b29 & b21);
|
|
s[36] = b36 ^ (~b38 & b30);
|
|
s[37] = b37 ^ (~b39 & b31);
|
|
s[46] = b46 ^ (~b48 & b40);
|
|
s[47] = b47 ^ (~b49 & b41);
|
|
s[8] = b8 ^ (~b0 & b2);
|
|
s[9] = b9 ^ (~b1 & b3);
|
|
s[18] = b18 ^ (~b10 & b12);
|
|
s[19] = b19 ^ (~b11 & b13);
|
|
s[28] = b28 ^ (~b20 & b22);
|
|
s[29] = b29 ^ (~b21 & b23);
|
|
s[38] = b38 ^ (~b30 & b32);
|
|
s[39] = b39 ^ (~b31 & b33);
|
|
s[48] = b48 ^ (~b40 & b42);
|
|
s[49] = b49 ^ (~b41 & b43);
|
|
|
|
s[0] ^= RC[n];
|
|
s[1] ^= RC[n + 1];
|
|
}
|
|
};
|
|
|
|
if (COMMON_JS) {
|
|
module.exports = methods;
|
|
} else {
|
|
for (var i = 0; i < methodNames.length; ++i) {
|
|
root[methodNames[i]] = methods[methodNames[i]];
|
|
}
|
|
}
|
|
})();
|
|
|
|
}).call(this,require('_process'),typeof global !== "undefined" ? global : typeof self !== "undefined" ? self : typeof window !== "undefined" ? window : {})
|
|
},{"_process":1}],22:[function(require,module,exports){
|
|
'use strict';
|
|
|
|
var inherits = require('inherits');
|
|
|
|
var XMLHttpRequest = require('xmlhttprequest').XMLHttpRequest;
|
|
|
|
var utils = (function() {
|
|
var convert = require('ethers-utils/convert');
|
|
return {
|
|
defineProperty: require('ethers-utils/properties').defineProperty,
|
|
|
|
getAddress: require('ethers-utils/address').getAddress,
|
|
getContractAddress: require('ethers-utils/contract-address').getContractAddress,
|
|
|
|
bigNumberify: require('ethers-utils/bignumber').bigNumberify,
|
|
arrayify: convert.arrayify,
|
|
|
|
hexlify: convert.hexlify,
|
|
isHexString: convert.isHexString,
|
|
|
|
concat: convert.concat,
|
|
|
|
namehash: require('ethers-utils/namehash'),
|
|
|
|
RLP: require('ethers-utils/rlp'),
|
|
}
|
|
})();
|
|
|
|
function copyObject(obj) {
|
|
var result = {};
|
|
for (var key in obj) { result[key] = obj[key]; }
|
|
return result;
|
|
}
|
|
|
|
function check(format, object) {
|
|
var result = {};
|
|
for (var key in format) {
|
|
try {
|
|
var value = format[key](object[key]);
|
|
if (value !== undefined) { result[key] = value; }
|
|
} catch (error) {
|
|
error.checkKey = key;
|
|
error.checkValue = object[key];
|
|
throw error;
|
|
}
|
|
}
|
|
return result;
|
|
}
|
|
|
|
function allowNull(check, nullValue) {
|
|
return (function(value) {
|
|
if (value == null) { return nullValue; }
|
|
return check(value);
|
|
});
|
|
}
|
|
|
|
function allowFalsish(check, replaceValue) {
|
|
return (function(value) {
|
|
if (!value) { return replaceValue; }
|
|
return check(value);
|
|
});
|
|
}
|
|
|
|
function arrayOf(check) {
|
|
return (function(array) {
|
|
if (!Array.isArray(array)) { throw new Error('not an array'); }
|
|
|
|
var result = [];
|
|
|
|
array.forEach(function(value) {
|
|
result.push(check(value));
|
|
});
|
|
|
|
return result;
|
|
});
|
|
}
|
|
|
|
function checkHash(hash) {
|
|
if (!utils.isHexString(hash) || hash.length !== 66) {
|
|
throw new Error('invalid hash - ' + hash);
|
|
}
|
|
return hash;
|
|
}
|
|
|
|
function checkNumber(number) {
|
|
return utils.bigNumberify(number).toNumber();
|
|
}
|
|
|
|
function checkUint256(uint256) {
|
|
if (!utils.isHexString(uint256)) {
|
|
throw new Error('invalid uint256');
|
|
}
|
|
while (uint256.length < 66) {
|
|
uint256 = '0x0' + uint256.substring(2);
|
|
}
|
|
return uint256;
|
|
}
|
|
|
|
function checkString(string) {
|
|
if (typeof(string) !== 'string') { throw new Error('invalid string'); }
|
|
return string;
|
|
}
|
|
|
|
function checkBlockTag(blockTag) {
|
|
if (blockTag == null) { return 'latest'; }
|
|
|
|
if (blockTag === 'earliest') { return '0x0'; }
|
|
|
|
if (blockTag === 'latest' || blockTag === 'pending') {
|
|
return blockTag;
|
|
}
|
|
|
|
if (typeof(blockTag) === 'number') {
|
|
return utils.hexlify(blockTag);
|
|
}
|
|
|
|
if (utils.isHexString(blockTag)) { return blockTag; }
|
|
|
|
throw new Error('invalid blockTag');
|
|
}
|
|
|
|
var formatBlock = {
|
|
hash: checkHash,
|
|
parentHash: checkHash,
|
|
number: checkNumber,
|
|
|
|
timestamp: checkNumber,
|
|
nonce: utils.hexlify,
|
|
difficulty: checkNumber,
|
|
|
|
gasLimit: utils.bigNumberify,
|
|
gasUsed: utils.bigNumberify,
|
|
|
|
miner: utils.getAddress,
|
|
extraData: utils.hexlify,
|
|
|
|
//transactions: allowNull(arrayOf(checkTransaction)),
|
|
transactions: allowNull(arrayOf(checkHash)),
|
|
|
|
//transactionRoot: checkHash,
|
|
//stateRoot: checkHash,
|
|
//sha3Uncles: checkHash,
|
|
|
|
//logsBloom: utils.hexlify,
|
|
};
|
|
|
|
function checkBlock(block) {
|
|
if (block.author != null && block.miner == null) {
|
|
block.miner = block.author;
|
|
}
|
|
return check(formatBlock, block);
|
|
}
|
|
|
|
|
|
var formatTransaction = {
|
|
hash: checkHash,
|
|
|
|
blockHash: allowNull(checkHash, null),
|
|
blockNumber: allowNull(checkNumber, null),
|
|
transactionIndex: allowNull(checkNumber, null),
|
|
|
|
from: utils.getAddress,
|
|
|
|
gasPrice: utils.bigNumberify,
|
|
gasLimit: utils.bigNumberify,
|
|
to: allowNull(utils.getAddress, null),
|
|
value: utils.bigNumberify,
|
|
nonce: checkNumber,
|
|
data: utils.hexlify,
|
|
|
|
r: checkUint256,
|
|
s: checkUint256,
|
|
v: checkNumber,
|
|
|
|
creates: allowNull(utils.getAddress, null),
|
|
|
|
raw: utils.hexlify,
|
|
};
|
|
|
|
function checkTransaction(transaction) {
|
|
|
|
// Rename gas to gasLimit
|
|
if (transaction.gas != null && transaction.gasLimit == null) {
|
|
transaction.gasLimit = transaction.gas;
|
|
}
|
|
|
|
// Rename input to data
|
|
if (transaction.input != null && transaction.data == null) {
|
|
transaction.data = transaction.input;
|
|
}
|
|
|
|
// If to and creates are empty, populate the creates from the transaction
|
|
if (transaction.to == null && transaction.creates == null) {
|
|
transaction.creates = utils.getContractAddress(transaction);
|
|
}
|
|
|
|
if (!transaction.raw) {
|
|
var raw = [
|
|
utils.hexlify(transaction.nonce),
|
|
utils.hexlify(transaction.gasPrice),
|
|
utils.hexlify(transaction.gasLimit),
|
|
(transaction.to || "0x"),
|
|
utils.hexlify(transaction.value || '0x'),
|
|
utils.hexlify(transaction.data || '0x'),
|
|
utils.hexlify(transaction.v || '0x'),
|
|
utils.hexlify(transaction.r),
|
|
utils.hexlify(transaction.s),
|
|
];
|
|
|
|
transaction.raw = utils.RLP.encode(raw);
|
|
}
|
|
|
|
|
|
var result = check(formatTransaction, transaction);
|
|
|
|
var networkId = transaction.networkId;
|
|
|
|
if (utils.isHexString(networkId)) {
|
|
networkId = utils.bigNumberify(networkId).toNumber();
|
|
}
|
|
|
|
if (typeof(networkId) !== 'number') {
|
|
networkId = (result.v - 35) / 2;
|
|
if (networkId < 0) { networkId = 0; }
|
|
networkId = parseInt(networkId);
|
|
}
|
|
|
|
result.networkId = networkId;
|
|
|
|
// 0x0000... should actually be null
|
|
if (result.blockHash && result.blockHash.replace(/0/g, '') === 'x') {
|
|
result.blockHash = null;
|
|
}
|
|
|
|
return result;
|
|
}
|
|
|
|
var formatTransactionRequest = {
|
|
from: allowNull(utils.getAddress),
|
|
nonce: allowNull(checkNumber),
|
|
gasLimit: allowNull(utils.bigNumberify),
|
|
gasPrice: allowNull(utils.bigNumberify),
|
|
to: allowNull(utils.getAddress),
|
|
value: allowNull(utils.bigNumberify),
|
|
data: allowNull(utils.hexlify),
|
|
};
|
|
|
|
function checkTransactionRequest(transaction) {
|
|
return check(formatTransactionRequest, transaction);
|
|
}
|
|
|
|
var formatTransactionReceiptLog = {
|
|
transactionLogIndex: checkNumber,
|
|
blockNumber: checkNumber,
|
|
transactionHash: checkHash,
|
|
address: utils.getAddress,
|
|
type: checkString,
|
|
topics: arrayOf(checkHash),
|
|
transactionIndex: checkNumber,
|
|
data: utils.hexlify,
|
|
logIndex: checkNumber,
|
|
blockHash: checkHash,
|
|
};
|
|
|
|
function checkTransactionReceiptLog(log) {
|
|
return check(formatTransactionReceiptLog, log);
|
|
}
|
|
|
|
var formatTransactionReceipt = {
|
|
contractAddress: allowNull(utils.getAddress, null),
|
|
transactionIndex: checkNumber,
|
|
root: checkHash,
|
|
gasUsed: utils.bigNumberify,
|
|
logsBloom: utils.hexlify,
|
|
blockHash: checkHash,
|
|
transactionHash: checkHash,
|
|
logs: arrayOf(checkTransactionReceiptLog),
|
|
blockNumber: checkNumber,
|
|
cumulativeGasUsed: utils.bigNumberify,
|
|
};
|
|
|
|
function checkTransactionReceipt(transactionReceipt) {
|
|
return check(formatTransactionReceipt, transactionReceipt);
|
|
}
|
|
|
|
function checkTopics(topics) {
|
|
if (Array.isArray(topics)) {
|
|
topics.forEach(function(topic) {
|
|
checkTopics(topic);
|
|
});
|
|
|
|
} else if (topics != null) {
|
|
checkHash(topics);
|
|
}
|
|
|
|
return topics;
|
|
}
|
|
|
|
var formatFilter = {
|
|
fromBlock: allowNull(checkBlockTag, undefined),
|
|
toBlock: allowNull(checkBlockTag, undefined),
|
|
address: allowNull(utils.getAddress, undefined),
|
|
topics: allowNull(checkTopics, undefined),
|
|
};
|
|
|
|
function checkFilter(filter) {
|
|
return check(formatFilter, filter);
|
|
}
|
|
|
|
var formatLog = {
|
|
blockNumber: checkNumber,
|
|
transactionIndex: checkNumber,
|
|
|
|
address: utils.getAddress,
|
|
data: allowFalsish(utils.hexlify, '0x'),
|
|
|
|
topics: arrayOf(checkHash),
|
|
|
|
transactionHash: checkHash,
|
|
logIndex: checkNumber,
|
|
}
|
|
|
|
function checkLog(log) {
|
|
return check(formatLog, log);
|
|
}
|
|
|
|
var ensAddressTestnet = '0x112234455c3a32fd11230c42e7bccd4a84e02010';
|
|
var ensAddressMainnet = '0x314159265dd8dbb310642f98f50c066173c1259b';
|
|
|
|
function Provider(testnet, chainId) {
|
|
if (!(this instanceof Provider)) { throw new Error('missing new'); }
|
|
|
|
testnet = !!testnet;
|
|
|
|
if (chainId == null) {
|
|
chainId = (testnet ? Provider.chainId.ropsten: Provider.chainId.homestead);
|
|
}
|
|
|
|
// Figure out which ENS to talk to
|
|
this.ensAddress = (testnet ? ensAddressTestnet: ensAddressMainnet);
|
|
|
|
if (typeof(chainId) !== 'number') { throw new Error('invalid chainId'); }
|
|
|
|
utils.defineProperty(this, 'testnet', testnet);
|
|
utils.defineProperty(this, 'chainId', chainId);
|
|
|
|
var events = {};
|
|
utils.defineProperty(this, '_events', events);
|
|
|
|
var self = this;
|
|
|
|
var lastBlockNumber = null;
|
|
|
|
var balances = {};
|
|
|
|
function doPoll() {
|
|
self.getBlockNumber().then(function(blockNumber) {
|
|
|
|
// If the block hasn't changed, meh.
|
|
if (blockNumber === lastBlockNumber) { return; }
|
|
|
|
if (lastBlockNumber === null) { lastBlockNumber = blockNumber - 1; }
|
|
|
|
// Notify all listener for each block that has passed
|
|
for (var i = lastBlockNumber + 1; i <= blockNumber; i++) {
|
|
self.emit('block', i);
|
|
}
|
|
|
|
// Sweep balances and remove addresses we no longer have events for
|
|
var newBalances = {};
|
|
|
|
// Find all transaction hashes we are waiting on
|
|
Object.keys(events).forEach(function(eventName) {
|
|
var event = parseEventString(eventName);
|
|
|
|
if (event.type === 'transaction') {
|
|
self.getTransaction(event.hash).then(function(transaction) {
|
|
if (!transaction || !transaction.blockNumber) { return; }
|
|
self.emit(event.hash, transaction);
|
|
});
|
|
|
|
} else if (event.type === 'address') {
|
|
if (balances[event.address]) {
|
|
newBalances[event.address] = balances[event.address];
|
|
}
|
|
self.getBalance(event.address, 'latest').then(function(balance) {
|
|
var lastBalance = balances[event.address];
|
|
if (lastBalance && balance.eq(lastBalance)) { return; }
|
|
balances[event.address] = balance;
|
|
self.emit(event.address, balance);
|
|
});
|
|
|
|
} else if (event.type === 'topic') {
|
|
self.getLogs({
|
|
fromBlock: lastBlockNumber + 1,
|
|
toBlock: blockNumber,
|
|
topics: event.topic
|
|
}).then(function(logs) {
|
|
if (logs.length === 0) { return; }
|
|
logs.forEach(function(log) {
|
|
self.emit(event.topic, log);
|
|
});
|
|
});
|
|
}
|
|
});
|
|
|
|
lastBlockNumber = blockNumber;
|
|
|
|
balances = newBalances;
|
|
});
|
|
|
|
self.doPoll();
|
|
}
|
|
|
|
utils.defineProperty(this, 'resetEventsBlock', function(blockNumber) {
|
|
lastBlockNumber = blockNumber;
|
|
self.doPoll();
|
|
});
|
|
|
|
var poller = null;
|
|
Object.defineProperty(this, 'polling', {
|
|
get: function() { return (poller != null); },
|
|
set: function(value) {
|
|
setTimeout(function() {
|
|
if (value && !poller) {
|
|
poller = setInterval(doPoll, 4000);
|
|
|
|
} else if (!value && poller) {
|
|
clearInterval(poller);
|
|
poller = null;
|
|
}
|
|
}, 0);
|
|
}
|
|
});
|
|
}
|
|
|
|
function inheritable(parent) {
|
|
return function(child) {
|
|
inherits(child, parent);
|
|
utils.defineProperty(child, 'inherits', inheritable(child));
|
|
}
|
|
}
|
|
|
|
utils.defineProperty(Provider, 'inherits', inheritable(Provider));
|
|
/*
|
|
function(child) {
|
|
inherits(child, Provider);
|
|
child.inherits = function(grandchild) {
|
|
inherits(grandchild, child)
|
|
}
|
|
});
|
|
*/
|
|
utils.defineProperty(Provider, 'chainId', {
|
|
homestead: 1,
|
|
morden: 2,
|
|
ropsten: 3,
|
|
});
|
|
|
|
//utils.defineProperty(Provider, 'isProvider', function(object) {
|
|
// return (object instanceof Provider);
|
|
//});
|
|
|
|
utils.defineProperty(Provider, 'fetchJSON', function(url, json, processFunc) {
|
|
|
|
return new Promise(function(resolve, reject) {
|
|
var request = new XMLHttpRequest();
|
|
|
|
if (json) {
|
|
request.open('POST', url, true);
|
|
request.setRequestHeader('Content-Type','application/json');
|
|
} else {
|
|
request.open('GET', url, true);
|
|
}
|
|
|
|
request.onreadystatechange = function() {
|
|
if (request.readyState !== 4) { return; }
|
|
|
|
try {
|
|
var result = JSON.parse(request.responseText);
|
|
} catch (error) {
|
|
var jsonError = new Error('invalid json response');
|
|
jsonError.orginialError = error;
|
|
jsonError.responseText = request.responseText;
|
|
reject(jsonError);
|
|
return;
|
|
}
|
|
|
|
if (processFunc) {
|
|
try {
|
|
result = processFunc(result);
|
|
} catch (error) {
|
|
error.url = url;
|
|
error.body = json;
|
|
error.responseText = request.responseText;
|
|
reject(error);
|
|
return;
|
|
}
|
|
}
|
|
|
|
if (request.status != 200) {
|
|
var error = new Error('invalid response - ' + request.status);
|
|
error.statusCode = request.statusCode;
|
|
reject(error);
|
|
return;
|
|
}
|
|
|
|
resolve(result);
|
|
};
|
|
|
|
request.onerror = function(error) {
|
|
reject(error);
|
|
}
|
|
|
|
try {
|
|
if (json) {
|
|
request.send(json);
|
|
} else {
|
|
request.send();
|
|
}
|
|
|
|
} catch (error) {
|
|
var connectionError = new Error('connection error');
|
|
connectionError.error = error;
|
|
reject(connectionError);
|
|
}
|
|
});
|
|
});
|
|
|
|
|
|
utils.defineProperty(Provider.prototype, 'waitForTransaction', function(transactionHash, timeout) {
|
|
var self = this;
|
|
return new Promise(function(resolve, reject) {
|
|
var timer = null;
|
|
|
|
function complete(transaction) {
|
|
if (timer) { clearTimeout(timer); }
|
|
resolve(transaction);
|
|
}
|
|
|
|
self.once(transactionHash, complete);
|
|
|
|
if (typeof(timeout) === 'number' && timeout > 0) {
|
|
timer = setTimeout(function() {
|
|
self.removeListener(transactionHash, complete);
|
|
reject(new Error('timeout'));
|
|
}, timeout);
|
|
}
|
|
|
|
});
|
|
});
|
|
|
|
|
|
utils.defineProperty(Provider.prototype, 'getBlockNumber', function() {
|
|
try {
|
|
return this.perform('getBlockNumber').then(function(result) {
|
|
var value = parseInt(result);
|
|
if (value != result) { throw new Error('invalid response - getBlockNumber'); }
|
|
return value;
|
|
});
|
|
} catch (error) {
|
|
return Promise.reject(error);
|
|
}
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'getGasPrice', function() {
|
|
try {
|
|
return this.perform('getGasPrice').then(function(result) {
|
|
return utils.bigNumberify(result);
|
|
});
|
|
} catch (error) {
|
|
return Promise.reject(error);
|
|
}
|
|
});
|
|
|
|
|
|
utils.defineProperty(Provider.prototype, 'getBalance', function(addressOrName, blockTag) {
|
|
var self = this;
|
|
return this.resolveName(addressOrName).then(function(address) {
|
|
var params = { address: address, blockTag: checkBlockTag(blockTag) };
|
|
return self.perform('getBalance', params).then(function(result) {
|
|
return utils.bigNumberify(result);
|
|
});
|
|
});
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'getTransactionCount', function(addressOrName, blockTag) {
|
|
var self = this;
|
|
return this.resolveName(addressOrName).then(function(address) {
|
|
var params = { address: address, blockTag: checkBlockTag(blockTag) };
|
|
return self.perform('getTransactionCount', params).then(function(result) {
|
|
var value = parseInt(result);
|
|
if (value != result) { throw new Error('invalid response - getTransactionCount'); }
|
|
return value;
|
|
});
|
|
});
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'getCode', function(addressOrName, blockTag) {
|
|
var self = this;
|
|
return this.resolveName(addressOrName).then(function(address) {
|
|
var params = {address: address, blockTag: checkBlockTag(blockTag)};
|
|
return self.perform('getCode', params).then(function(result) {
|
|
return utils.hexlify(result);
|
|
});
|
|
});
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'getStorageAt', function(addressOrName, position, blockTag) {
|
|
var self = this;
|
|
return this.resolveName(addressOrName).then(function(address) {
|
|
var params = {
|
|
address: address,
|
|
blockTag: checkBlockTag(blockTag),
|
|
position: utils.hexlify(position),
|
|
};
|
|
return self.perform('getStorageAt', params).then(function(result) {
|
|
return utils.hexlify(result);
|
|
});
|
|
});
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'sendTransaction', function(signedTransaction) {
|
|
try {
|
|
var params = {signedTransaction: utils.hexlify(signedTransaction)};
|
|
return this.perform('sendTransaction', params).then(function(result) {
|
|
result = utils.hexlify(result);
|
|
if (result.length !== 66) { throw new Error('invalid response - sendTransaction'); }
|
|
return result;
|
|
});
|
|
} catch (error) {
|
|
return Promise.reject(error);
|
|
}
|
|
});
|
|
|
|
|
|
utils.defineProperty(Provider.prototype, 'call', function(transaction) {
|
|
var self = this;
|
|
return this._resolveNames(transaction, ['to', 'from']).then(function(transaction) {
|
|
var params = { transaction: checkTransactionRequest(transaction) };
|
|
return self.perform('call', params).then(function(result) {
|
|
return utils.hexlify(result);
|
|
});
|
|
});
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'estimateGas', function(transaction) {
|
|
var self = this;
|
|
return this._resolveNames(transaction, ['to', 'from']).then(function(transaction) {
|
|
var params = {transaction: checkTransactionRequest(transaction)};
|
|
return self.perform('estimateGas', params).then(function(result) {
|
|
return utils.bigNumberify(result);
|
|
});
|
|
});
|
|
});
|
|
|
|
|
|
utils.defineProperty(Provider.prototype, 'getBlock', function(blockHashOrBlockTag) {
|
|
try {
|
|
var blockHash = utils.hexlify(blockHashOrBlockTag);
|
|
if (blockHash.length === 66) {
|
|
return this.perform('getBlock', {blockHash: blockHash}).then(function(block) {
|
|
return checkBlock(block);
|
|
});
|
|
}
|
|
} catch (error) {
|
|
console.log('DEBUG', error);
|
|
}
|
|
|
|
try {
|
|
var blockTag = checkBlockTag(blockHashOrBlockTag);
|
|
return this.perform('getBlock', {blockTag: blockTag}).then(function(block) {
|
|
return checkBlock(block);
|
|
});
|
|
} catch (error) {
|
|
console.log('DEBUG', error);
|
|
}
|
|
|
|
return Promise.reject(new Error('invalid block hash or block tag'));
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'getTransaction', function(transactionHash) {
|
|
try {
|
|
var params = { transactionHash: checkHash(transactionHash) };
|
|
return this.perform('getTransaction', params).then(function(result) {
|
|
if (result != null) { result = checkTransaction(result); }
|
|
return result;
|
|
});
|
|
} catch (error) {
|
|
return Promise.reject(error);
|
|
}
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'getTransactionReceipt', function(transactionHash) {
|
|
try {
|
|
var params = { transactionHash: checkHash(transactionHash) };
|
|
return this.perform('getTransactionReceipt', params).then(function(result) {
|
|
if (result != null) { result = checkTransactionReceipt(result); }
|
|
return result;
|
|
});
|
|
} catch (error) {
|
|
return Promise.reject(error);
|
|
}
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'getLogs', function(filter) {
|
|
var self = this;
|
|
return this._resolveNames(filter, ['address']).then(function(filter) {
|
|
var params = { filter: checkFilter(filter) };
|
|
return self.perform('getLogs', params).then(function(result) {
|
|
return arrayOf(checkLog)(result);
|
|
});
|
|
});
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'getEtherPrice', function() {
|
|
try {
|
|
return this.perform('getEtherPrice', {}).then(function(result) {
|
|
// @TODO: Check valid float
|
|
return result;
|
|
});
|
|
} catch (error) {
|
|
return Promise.reject(error);
|
|
}
|
|
});
|
|
|
|
|
|
utils.defineProperty(Provider.prototype, '_resolveNames', function(object, keys) {
|
|
var promises = [];
|
|
|
|
var result = copyObject(object);
|
|
|
|
keys.forEach(function(key) {
|
|
if (result[key] === undefined) { return; }
|
|
promises.push(this.resolveName(result[key]).then(function(address) {
|
|
result[key] = address;
|
|
}));
|
|
}, this);
|
|
|
|
return Promise.all(promises).then(function() { return result; });
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'resolveName', function(name) {
|
|
// If it is already an address, nothing to resolve
|
|
try {
|
|
return Promise.resolve(utils.getAddress(name));
|
|
} catch (error) { }
|
|
|
|
var nodeHash = utils.namehash(name);
|
|
|
|
// keccak256('resolver(bytes32)')
|
|
var data = '0x0178b8bf' + nodeHash.substring(2);
|
|
var transaction = { to: this.ensAddress, data: data };
|
|
|
|
var self = this;
|
|
// Get the resolver from the blockchain
|
|
return this.call(transaction).then(function(data) {
|
|
|
|
// extract the address from the data
|
|
if (data.length != 66) { return null; }
|
|
return utils.getAddress('0x' + data.substring(26));
|
|
|
|
// Get the addr from the resovler
|
|
}).then(function(resolverAddress) {
|
|
|
|
// keccak256('addr(bytes32)')
|
|
var data = '0x3b3b57de' + nodeHash.substring(2);
|
|
var transaction = { to: resolverAddress, data: data };
|
|
return self.call(transaction);
|
|
|
|
// extract the address from the data
|
|
}).then(function(data) {
|
|
if (data.length != 66) { return null; }
|
|
var address = utils.getAddress('0x' + data.substring(26));
|
|
if (address === '0x0000000000000000000000000000000000000000') { return null; }
|
|
return address;
|
|
});
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'doPoll', function() {
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'perform', function(method, params) {
|
|
return Promise.reject(new Error('not implemented - ' + method));
|
|
});
|
|
|
|
function recurse(object, convertFunc) {
|
|
if (Array.isArray(object)) {
|
|
var result = [];
|
|
object.forEach(function(object) {
|
|
result.push(recurse(object, convertFunc));
|
|
});
|
|
return result;
|
|
}
|
|
return convertFunc(object);
|
|
}
|
|
|
|
function getEventString(object) {
|
|
try {
|
|
return 'address:' + utils.getAddress(object);
|
|
} catch (error) { }
|
|
|
|
if (object === 'block') {
|
|
return 'block';
|
|
|
|
} else if (utils.isHexString(object)) {
|
|
if (object.length === 66) {
|
|
return 'tx:' + object;
|
|
}
|
|
} else if (Array.isArray(object)) {
|
|
object = recurse(object, function(object) {
|
|
if (object == null) { object = '0x'; }
|
|
return object;
|
|
});
|
|
|
|
try {
|
|
return 'topic:' + utils.RLP.encode(object);
|
|
} catch (error) {
|
|
console.log(error);
|
|
}
|
|
}
|
|
|
|
throw new Error('invalid event - ' + object);
|
|
}
|
|
|
|
function parseEventString(string) {
|
|
if (string.substring(0, 3) === 'tx:') {
|
|
return {type: 'transaction', hash: string.substring(3)};
|
|
|
|
} else if (string === 'block') {
|
|
return {type: 'block'};
|
|
|
|
} else if (string.substring(0, 8) === 'address:') {
|
|
return {type: 'address', address: string.substring(8)};
|
|
|
|
} else if (string.substring(0, 6) === 'topic:') {
|
|
try {
|
|
var object = utils.RLP.decode(string.substring(6));
|
|
object = recurse(object, function(object) {
|
|
if (object === '0x') { object = null; }
|
|
return object;
|
|
});
|
|
return {type: 'topic', topic: object};
|
|
} catch (error) {
|
|
console.log(error);
|
|
}
|
|
}
|
|
|
|
throw new Error('invalid event string');
|
|
}
|
|
|
|
utils.defineProperty(Provider.prototype, 'on', function(eventName, listener) {
|
|
var key = getEventString(eventName);
|
|
if (!this._events[key]) { this._events[key] = []; }
|
|
this._events[key].push({eventName: eventName, listener: listener, type: 'on'});
|
|
this.polling = true;
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'once', function(eventName, listener) {
|
|
var key = getEventString(eventName);
|
|
if (!this._events[key]) { this._events[key] = []; }
|
|
this._events[key].push({eventName: eventName, listener: listener, type: 'once'});
|
|
this.polling = true;
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'emit', function(eventName) {
|
|
var key = getEventString(eventName);
|
|
|
|
var args = Array.prototype.slice.call(arguments, 1);
|
|
var listeners = this._events[key];
|
|
if (!listeners) { return; }
|
|
|
|
for (var i = 0; i < listeners.length; i++) {
|
|
var listener = listeners[i];
|
|
if (listener.type === 'once') {
|
|
listeners.splice(i, 1);
|
|
i--;
|
|
}
|
|
|
|
try {
|
|
listener.listener.apply(this, args);
|
|
} catch (error) {
|
|
console.log('Event Listener Error: ' + error.message);
|
|
}
|
|
}
|
|
|
|
if (listeners.length === 0) { delete this._events[key]; }
|
|
if (this.listenerCount() === 0) { this.polling = false; }
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'listenerCount', function(eventName) {
|
|
if (!eventName) {
|
|
var result = 0;
|
|
for (var key in this._events) {
|
|
result += this._events[key].length;
|
|
}
|
|
return result;
|
|
}
|
|
|
|
var listeners = this._events[getEventString(eventName)];
|
|
if (!listeners) { return 0; }
|
|
return listeners.length;
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'listeners', function(eventName) {
|
|
var listeners = this._events[getEventString(eventName)];
|
|
if (!listeners) { return 0; }
|
|
var result = [];
|
|
for (var i = 0; i < listeners.length; i++) {
|
|
result.push(listeners[i].listener);
|
|
}
|
|
return result;
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'removeAllListeners', function(eventName) {
|
|
delete this._events[getEventString(eventName)];
|
|
if (this.listenerCount() === 0) { this.polling = false; }
|
|
});
|
|
|
|
utils.defineProperty(Provider.prototype, 'removeListener', function(eventName, listener) {
|
|
var listeners = this._events[getEventString(eventName)];
|
|
if (!listeners) { return 0; }
|
|
for (var i = 0; i < listeners.length; i++) {
|
|
if (listeners[i].listener === listener) {
|
|
listeners.splice(i, 1);
|
|
return;
|
|
}
|
|
}
|
|
if (this.listenerCount() === 0) { this.polling = false; }
|
|
});
|
|
|
|
module.exports = Provider;
|
|
|
|
},{"ethers-utils/address":9,"ethers-utils/bignumber":10,"ethers-utils/contract-address":11,"ethers-utils/convert":12,"ethers-utils/namehash":14,"ethers-utils/properties":15,"ethers-utils/rlp":16,"inherits":20,"xmlhttprequest":2}]},{},[5]);
|