@node-dlc/bitcoin

<!doctype html> <html lang="en"> <head> <title>Code coverage report for Base58Check.ts</title> <meta charset="utf-8" /> <link rel="stylesheet" href="prettify.css" /> <link rel="stylesheet" href="base.css" /> <link rel="shortcut icon" type="image/x-icon" href="favicon.png" /> <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> Base58Check.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> <span class="strong">38.46% </span> <span class="quiet">Statements</span> <span class='fraction'>5/13</span> </div> <div class='fl pad1y space-right2'> <span class="strong">0% </span> <span class="quiet">Branches</span> <span class='fraction'>0/2</span> </div> <div class='fl pad1y space-right2'> <span class="strong">0% </span> <span class="quiet">Functions</span> <span class='fraction'>0/2</span> </div> <div class='fl pad1y space-right2'> <span class="strong">38.46% </span> <span class="quiet">Lines</span> <span class='fraction'>5/13</span> </div> </div> <p class="quiet"> Press <em>n</em> or <em>j</em> to go to the next uncovered block, <em>b</em>, <em>p</em> or <em>k</em> for the previous block. </p> </div> <div class='status-line low'></div> <pre><table class="coverage"> <tr><td class="line-count quiet"><a name='L1'></a><a href='#L1'>1</a> <a name='L2'></a><a href='#L2'>2</a> <a name='L3'></a><a href='#L3'>3</a> <a name='L4'></a><a href='#L4'>4</a> <a name='L5'></a><a href='#L5'>5</a> <a name='L6'></a><a href='#L6'>6</a> <a name='L7'></a><a href='#L7'>7</a> <a name='L8'></a><a href='#L8'>8</a> <a name='L9'></a><a href='#L9'>9</a> <a name='L10'></a><a href='#L10'>10</a> <a name='L11'></a><a href='#L11'>11</a> <a name='L12'></a><a href='#L12'>12</a> <a name='L13'></a><a href='#L13'>13</a> <a name='L14'></a><a href='#L14'>14</a> <a name='L15'></a><a href='#L15'>15</a> <a name='L16'></a><a href='#L16'>16</a> <a name='L17'></a><a href='#L17'>17</a> <a name='L18'></a><a href='#L18'>18</a> <a name='L19'></a><a href='#L19'>19</a> <a name='L20'></a><a href='#L20'>20</a> <a name='L21'></a><a href='#L21'>21</a> <a name='L22'></a><a href='#L22'>22</a> <a name='L23'></a><a href='#L23'>23</a> <a name='L24'></a><a href='#L24'>24</a> <a name='L25'></a><a href='#L25'>25</a> <a name='L26'></a><a href='#L26'>26</a> <a name='L27'></a><a href='#L27'>27</a> <a name='L28'></a><a href='#L28'>28</a> <a name='L29'></a><a href='#L29'>29</a> <a name='L30'></a><a href='#L30'>30</a> <a name='L31'></a><a href='#L31'>31</a> <a name='L32'></a><a href='#L32'>32</a> <a name='L33'></a><a href='#L33'>33</a> <a name='L34'></a><a href='#L34'>34</a> <a name='L35'></a><a href='#L35'>35</a></td><td class="line-coverage quiet"><span class="cline-any cline-yes">1x</span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-yes">1x</span> <span class="cline-any cline-yes">1x</span> <span class="cline-any cline-yes">1x</span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-yes">1x</span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-no"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span> <span class="cline-any cline-neutral"> </span></td><td class="text"><pre class="prettyprint lang-js">import { hash256 } from '@node-dlc/crypto';   import { Base58 } from './Base58'; import { BitcoinError } from './BitcoinError'; import { BitcoinErrorCode } from './BitcoinErrorCode';   export class Base58Check { /** * Perform a base58 encoding by appends a 4-byte hash256 checksum * at the end of the value. * @param buf */ public <span class="fstat-no" title="function not covered" >static </span>encode(buf: Buffer): string { <span class="cstat-no" title="statement not covered" > return Base58.encode(Buffer.concat([buf, hash256(buf).slice(0, 4)]));</span> }   /** * Decodes a base58 check value. Throws error if checksum is invalid * @param buf */ public <span class="fstat-no" title="function not covered" >static </span>decode(input: string): Buffer { const total = <span class="cstat-no" title="statement not covered" >Base58.decode(input);</span> const data = <span class="cstat-no" title="statement not covered" >total.slice(0, total.length - 4);</span> const checksum = <span class="cstat-no" title="statement not covered" >total.slice(total.length - 4);</span> const hash = <span class="cstat-no" title="statement not covered" >hash256(data).slice(0, 4);</span> <span class="cstat-no" title="statement not covered" > if (!hash.equals(checksum)) {</span> <span class="cstat-no" title="statement not covered" > throw new BitcoinError(BitcoinErrorCode.Base58ChecksumFailed, {</span> actual: hash, expected: checksum, }); } <span class="cstat-no" title="statement not covered" > return data;</span> } }  </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="https://istanbul.js.org/" target="_blank">istanbul</a> at Mon Jul 14 2025 15:37:17 GMT-0700 (Pacific Daylight Saving Time) </div> </div> <script src="prettify.js"></script> <script> window.onload = function () { prettyPrint(); }; </script> <script src="sorter.js"></script> <script src="block-navigation.js"></script> </body> </html>