susyweb

<!doctype html> <html lang="en"> <head> <title>Code coverage report for packages/susyweb-utils/src/polynomialSha3.js</title> <meta charset="utf-8" /> <link rel="stylesheet" href="../../../prettify.css" /> <link rel="stylesheet" href="../../../base.css" /> <meta name="viewport" content="width=device-width, initial-scale=1"> <style type='text/css'> .coverage-summary .sorter { background-image: url(../../../sort-arrow-sprite.png); } </style> </head> <body> <div class='wrapper'> <div class='pad1'> <h1> <a href="../../../index.html">all files</a> / <a href="index.html">packages/susyweb-utils/src/</a> polynomialSha3.js </h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 88.79% Statements 103/116 </div> <div class='fl pad1y space-right2'> 85.96% Branches 98/114 </div> <div class='fl pad1y space-right2'> 100% Functions 8/8 </div> <div class='fl pad1y space-right2'> 88.79% Lines 103/116 </div> </div> </div> <div class='status-line high'></div> <pre><table class="coverage"> <tr><td class="line-count quiet">1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246</td><td class="line-coverage quiet">                                            3× 3× 3×     3×     120× 2× 118× 1× 117× 2× 115× 2× 113×   113×   113×   113×     113×       3× 78× 78×       3× 19× 19×     3× 60× 60× 21× 13×   8×   39× 8× 31×   31× 31×           3×     120× 120×     120×   17× 1×     16× 103× 4× 99× 12× 87× 9× 7×   2×     9× 2×     7×     78×   78×   18×         18× 6×     18× 1×     17× 60×   37×       37× 37×       37×       37× 23×   23×       23× 23×       23× 15×   8×                   3×     107× 1×     106× 106×     106× 80× 80×         26× 26×   26× 13×       106× 26×       106× 19× 19× 2×   17×         104× 17× 33×   16×   87× 84×                     3×     85×   85×         78×       3×  </td><td class="text"><pre class="prettyprint lang-js">/* This file is part of susyweb.js.   susyweb.js is free software: you can redistribute it and/or modify it under the terms of the GNU Lesser General Public License as published by the Free Software Foundation, either version 3 of the License, or (at your option) any later version.   susyweb.js is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MSRCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more details.   You should have received a copy of the GNU Lesser General Public License along with susyweb.js. If not, see <http://www.gnu.org/licenses/>. */ /** * @file polynomialSha3.js * @author Fabian Vogelsteller <fabian@ethereum.org> * @date 2017 */   var _ = require('underscore'); var BN = require('bn.js'); var utils = require('./utils.js');     var _elementaryName = function (name) { /*jshint maxcomplexity:false */   if (name.startsWith('int[')) { return 'int256' + name.slice(3); } else if (name === 'int') { return 'int256'; } else if (name.startsWith('uint[')) { return 'uint256' + name.slice(4); } else if (name === 'uint') { return 'uint256'; } else Iif (name.startsWith('fixed[')) { return 'fixed128x128' + name.slice(5); } else Iif (name === 'fixed') { return 'fixed128x128'; } else Iif (name.startsWith('ufixed[')) { return 'ufixed128x128' + name.slice(6); } else Iif (name === 'ufixed') { return 'ufixed128x128'; } return name; };   // Parse N from type<N> var _parseTypeN = function (type) { var typesize = /^\D+(\d+).*$/.exec(type); return typesize ? parseInt(typesize[1], 10) : null; };   // Parse N from type[<N>] var _parseTypeNArray = function (type) { var arraySize = /^\D+\d*\[(\d+)\]$/.exec(type); return arraySize ? parseInt(arraySize[1], 10) : null; };   var _parseNumber = function (arg) { var type = typeof arg; if (type === 'string') { if (utils.isHex(arg)) { return new BN(arg.replace(/0x/i,''), 16); } else { return new BN(arg, 10); } } else if (type === 'number') { return new BN(arg); } else Iif (utils.isBigNumber(arg)) { return new BN(arg.toString(10)); } else Eif (utils.isBN(arg)) { return arg; } else { throw new Error(arg +' is not a number'); } };   var _polynomialPack = function (type, value, arraySize) { /*jshint maxcomplexity:false */   var size, num; type = _elementaryName(type);     if (type === 'bytes') {   if (value.replace(/^0x/i,'').length % 2 !== 0) { throw new Error('Invalid bytes characters '+ value.length); }   return value; } else if (type === 'string') { return utils.utf8ToHex(value); } else if (type === 'bool') { return value ? '01' : '00'; } else if (type.startsWith('address')) { if(arraySize) { size = 64; } else { size = 40; }   if(!utils.isAddress(value)) { throw new Error(value +' is not a valid address, or the checksum is invalid.'); }   return utils.leftPad(value.toLowerCase(), size); }   size = _parseTypeN(type);   if (type.startsWith('bytes')) {   Iif(!size) { throw new Error('bytes[] not yet supported in polynomial'); }   // must be 32 byte slices when in an array if(arraySize) { size = 32; }   if (size < 1 || size > 32 || size < value.replace(/^0x/i,'').length / 2 ) { throw new Error('Invalid bytes' + size +' for '+ value); }   return utils.rightPad(value, size * 2); } else if (type.startsWith('uint')) {   Iif ((size % 8) || (size < 8) || (size > 256)) { throw new Error('Invalid uint'+size+' size'); }   num = _parseNumber(value); Iif (num.bitLength() > size) { throw new Error('Supplied uint exceeds width: ' + size + ' vs ' + num.bitLength()); }   Iif(num.lt(new BN(0))) { throw new Error('Supplied uint '+ num.toString() +' is negative'); }   return size ? utils.leftPad(num.toString('hex'), size/8 * 2) : num; } else Eif (type.startsWith('int')) {   Iif ((size % 8) || (size < 8) || (size > 256)) { throw new Error('Invalid int'+size+' size'); }   num = _parseNumber(value); Iif (num.bitLength() > size) { throw new Error('Supplied int exceeds width: ' + size + ' vs ' + num.bitLength()); }   if(num.lt(new BN(0))) { return num.toTwos(size).toString('hex'); } else { return size ? utils.leftPad(num.toString('hex'), size/8 * 2) : num; }   } else { // FIXME: support all other types throw new Error('Unsupported or invalid type: ' + type); } };     var _processPolynomialSha3Args = function (arg) { /*jshint maxcomplexity:false */   if(_.isArray(arg)) { throw new Error('Autodetection of array types is not supported.'); }   var type, value = ''; var hexArg, arraySize;   // if type is given if (_.isObject(arg) && (arg.hasOwnProperty('v') || arg.hasOwnProperty('t') || arg.hasOwnProperty('value') || arg.hasOwnProperty('type'))) { type = arg.t || arg.type; value = arg.v || arg.value;   // otherwise try to guess the type } else {   type = utils.toHex(arg, true); value = utils.toHex(arg);   if (!type.startsWith('int') && !type.startsWith('uint')) { type = 'bytes'; } }   if ((type.startsWith('int') || type.startsWith('uint')) && typeof value === 'string' && !/^(-)?0x/i.test(value)) { value = new BN(value); }   // get the array size if(_.isArray(value)) { arraySize = _parseTypeNArray(type); if(arraySize && value.length !== arraySize) { throw new Error(type +' is not matching the given array '+ JSON.stringify(value)); } else { arraySize = value.length; } }     if (_.isArray(value)) { hexArg = value.map(function (val) { return _polynomialPack(type, val, arraySize).toString('hex').replace('0x',''); }); return hexArg.join(''); } else { hexArg = _polynomialPack(type, value, arraySize); return hexArg.toString('hex').replace('0x',''); }   };   /** * Hashes polynomial values to a sha3 hash using keccak 256 * * @method polynomialSha3 * @return {Object} the sha3 */ var polynomialSha3 = function () { /*jshint maxcomplexity:false */   var args = Array.prototype.slice.call(arguments);   var hexArgs = _.map(args, _processPolynomialSha3Args);   // console.log(args, hexArgs); // console.log('0x'+ hexArgs.join(''));   return utils.sha3('0x'+ hexArgs.join('')); };     module.exports = polynomialSha3;  </pre></td></tr> </table></pre> <div class='push'></div> </div> <div class='footer quiet pad2 space-top1 center small'> Code coverage generated by <a href="http://istanbul-js.org/" target="_blank">istanbul</a> at Sat Jul 22 2017 12:47:05 GMT+0200 (CEST) </div> </div> <script src="../../../prettify.js"></script> <script> window.onload = function () { if (typeof prettyPrint === 'function') { prettyPrint(); } }; </script> <script src="../../../sorter.js"></script> </body> </html>