@node-lightning/wire

<!doctype html> <html lang="en"> <head> <title>Code coverage report for lib/gossip/GossipMemoryStore.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> / <a href="index.html">lib/gossip</a> GossipMemoryStore.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 98.11% Statements 52/53 </div> <div class='fl pad1y space-right2'> 90% Branches 9/10 </div> <div class='fl pad1y space-right2'> 100% Functions 21/21 </div> <div class='fl pad1y space-right2'> 100% Lines 51/51 </div> </div> Press n or j to go to the next uncovered block, b, p or k for the previous block. </div> <div class='status-line high'></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> <a name='L36'></a><a href='#L36'>36</a> <a name='L37'></a><a href='#L37'>37</a> <a name='L38'></a><a href='#L38'>38</a> <a name='L39'></a><a href='#L39'>39</a> <a name='L40'></a><a href='#L40'>40</a> <a name='L41'></a><a href='#L41'>41</a> <a name='L42'></a><a href='#L42'>42</a> <a name='L43'></a><a href='#L43'>43</a> <a name='L44'></a><a href='#L44'>44</a> <a name='L45'></a><a href='#L45'>45</a> <a name='L46'></a><a href='#L46'>46</a> <a name='L47'></a><a href='#L47'>47</a> <a name='L48'></a><a href='#L48'>48</a> <a name='L49'></a><a href='#L49'>49</a> <a name='L50'></a><a href='#L50'>50</a> <a name='L51'></a><a href='#L51'>51</a> <a name='L52'></a><a href='#L52'>52</a> <a name='L53'></a><a href='#L53'>53</a> <a name='L54'></a><a href='#L54'>54</a> <a name='L55'></a><a href='#L55'>55</a> <a name='L56'></a><a href='#L56'>56</a> <a name='L57'></a><a href='#L57'>57</a> <a name='L58'></a><a href='#L58'>58</a> <a name='L59'></a><a href='#L59'>59</a> <a name='L60'></a><a href='#L60'>60</a> <a name='L61'></a><a href='#L61'>61</a> <a name='L62'></a><a href='#L62'>62</a> <a name='L63'></a><a href='#L63'>63</a> <a name='L64'></a><a href='#L64'>64</a> <a name='L65'></a><a href='#L65'>65</a> <a name='L66'></a><a href='#L66'>66</a> <a name='L67'></a><a href='#L67'>67</a> <a name='L68'></a><a href='#L68'>68</a> <a name='L69'></a><a href='#L69'>69</a> <a name='L70'></a><a href='#L70'>70</a> <a name='L71'></a><a href='#L71'>71</a> <a name='L72'></a><a href='#L72'>72</a> <a name='L73'></a><a href='#L73'>73</a> <a name='L74'></a><a href='#L74'>74</a> <a name='L75'></a><a href='#L75'>75</a> <a name='L76'></a><a href='#L76'>76</a> <a name='L77'></a><a href='#L77'>77</a> <a name='L78'></a><a href='#L78'>78</a> <a name='L79'></a><a href='#L79'>79</a> <a name='L80'></a><a href='#L80'>80</a> <a name='L81'></a><a href='#L81'>81</a> <a name='L82'></a><a href='#L82'>82</a> <a name='L83'></a><a href='#L83'>83</a> <a name='L84'></a><a href='#L84'>84</a> <a name='L85'></a><a href='#L85'>85</a> <a name='L86'></a><a href='#L86'>86</a> <a name='L87'></a><a href='#L87'>87</a> <a name='L88'></a><a href='#L88'>88</a> <a name='L89'></a><a href='#L89'>89</a> <a name='L90'></a><a href='#L90'>90</a> <a name='L91'></a><a href='#L91'>91</a> <a name='L92'></a><a href='#L92'>92</a> <a name='L93'></a><a href='#L93'>93</a> <a name='L94'></a><a href='#L94'>94</a> <a name='L95'></a><a href='#L95'>95</a> <a name='L96'></a><a href='#L96'>96</a> <a name='L97'></a><a href='#L97'>97</a> <a name='L98'></a><a href='#L98'>98</a> <a name='L99'></a><a href='#L99'>99</a> <a name='L100'></a><a href='#L100'>100</a> <a name='L101'></a><a href='#L101'>101</a> <a name='L102'></a><a href='#L102'>102</a> <a name='L103'></a><a href='#L103'>103</a> <a name='L104'></a><a href='#L104'>104</a> <a name='L105'></a><a href='#L105'>105</a> <a name='L106'></a><a href='#L106'>106</a> <a name='L107'></a><a href='#L107'>107</a> <a name='L108'></a><a href='#L108'>108</a> <a name='L109'></a><a href='#L109'>109</a> <a name='L110'></a><a href='#L110'>110</a> <a name='L111'></a><a href='#L111'>111</a> <a name='L112'></a><a href='#L112'>112</a> <a name='L113'></a><a href='#L113'>113</a> <a name='L114'></a><a href='#L114'>114</a> <a name='L115'></a><a href='#L115'>115</a> <a name='L116'></a><a href='#L116'>116</a> <a name='L117'></a><a href='#L117'>117</a> <a name='L118'></a><a href='#L118'>118</a> <a name='L119'></a><a href='#L119'>119</a> <a name='L120'></a><a href='#L120'>120</a> <a name='L121'></a><a href='#L121'>121</a> <a name='L122'></a><a href='#L122'>122</a> <a name='L123'></a><a href='#L123'>123</a> <a name='L124'></a><a href='#L124'>124</a> <a name='L125'></a><a href='#L125'>125</a> <a name='L126'></a><a href='#L126'>126</a> <a name='L127'></a><a href='#L127'>127</a> <a name='L128'></a><a href='#L128'>128</a> <a name='L129'></a><a href='#L129'>129</a> <a name='L130'></a><a href='#L130'>130</a> <a name='L131'></a><a href='#L131'>131</a> <a name='L132'></a><a href='#L132'>132</a> <a name='L133'></a><a href='#L133'>133</a> <a name='L134'></a><a href='#L134'>134</a> <a name='L135'></a><a href='#L135'>135</a> <a name='L136'></a><a href='#L136'>136</a> <a name='L137'></a><a href='#L137'>137</a> <a name='L138'></a><a href='#L138'>138</a> <a name='L139'></a><a href='#L139'>139</a> <a name='L140'></a><a href='#L140'>140</a> <a name='L141'></a><a href='#L141'>141</a> <a name='L142'></a><a href='#L142'>142</a></td><td class="line-coverage quiet">    1x       1x             1x 334x 334x 334x 334x 334x     249x       369x       367x       157x 157x 157x 146x   157x 157x       499x       499x       499x 499x 499x 256x 254x   256x       1032x       18x       37x           1018x           3x 3x             796x       7x 7x 7x     7x     7x 6x       7x 7x     7x 7x       244x       243x 243x       314x 314x 314x         2844x       2728x       1553x    </td><td class="text"><pre class="prettyprint lang-js">/* eslint-disable @typescript-eslint/require-await */ import { ShortChannelId } from "@node-lightning/core"; import { shortChannelIdFromNumber } from "@node-lightning/core"; import { OutPoint } from "@node-lightning/core"; import { ChannelAnnouncementMessage } from "../messages/ChannelAnnouncementMessage"; import { ChannelUpdateMessage } from "../messages/ChannelUpdateMessage"; import { ExtendedChannelAnnouncementMessage } from "../messages/ExtendedChannelAnnouncementMessage"; import { NodeAnnouncementMessage } from "../messages/NodeAnnouncementMessage"; import { IGossipStore } from "./GossipStore";   /** * In-memory implementation of the IGossipStore. */ export class GossipMemoryStore implements IGossipStore { private _channelAnn = new Map<bigint, ChannelAnnouncementMessage>(); private _channelByOutPoint = new Map<string, bigint>(); private _channelUpd = new Map<bigint, ChannelUpdateMessage>(); private _nodeAnn = new Map<string, NodeAnnouncementMessage>(); private _nodeChannels = new Map<string, Set<bigint>>();   public get channelAnnouncementCount() { return this._channelAnn.size; }   public get channelUpdateCount() { return this._channelUpd.size; }   public get nodeAnnouncementCount() { return this._nodeAnn.size; }   public async saveChannelAnnouncement(msg: ChannelAnnouncementMessage): Promise<void> { const chanKey = getChanKey(msg.shortChannelId); this._channelAnn.set(chanKey, msg); if (msg instanceof ExtendedChannelAnnouncementMessage) { this._channelByOutPoint.set(msg.outpoint.toString(), msg.shortChannelId.toNumber()); } await this._saveNodeChannel(msg.nodeId1, chanKey); await this._saveNodeChannel(msg.nodeId2, chanKey); }   public async saveChannelUpdate(msg: ChannelUpdateMessage): Promise<void> { this._channelUpd.set(getChanUpdKey(getChanKey(msg.shortChannelId), msg.direction), msg); }   public async saveNodeAnnouncement(msg: NodeAnnouncementMessage): Promise<void> { this._nodeAnn.set(getNodeKey(msg.nodeId), msg); }   public async findChannelsForNode(nodeId: Buffer): Promise<ShortChannelId[]> { const scidInts = this._nodeChannels.get(getNodeKey(nodeId)); const results: ShortChannelId[] = []; if (!scidInts) return results; for (const scidInt of scidInts) { results.push(shortChannelIdFromNumber(scidInt)); } return results; }   public async findNodeAnnouncement(nodeId: Buffer): Promise<NodeAnnouncementMessage> { return this._nodeAnn.get(getNodeKey(nodeId)); }   public async findNodeAnnouncements(): Promise<NodeAnnouncementMessage[]> { return Array.from(this._nodeAnn.values()); }   public async findChannelAnnouncemnts(): Promise<ChannelAnnouncementMessage[]> { return Array.from(this._channelAnn.values()); }   public async findChannelAnnouncement( scid: ShortChannelId, ): Promise<ChannelAnnouncementMessage> { return this._channelAnn.get(getChanKey(scid)); }   public async findChannelAnnouncementByOutpoint( outpoint: OutPoint, ): Promise<ChannelAnnouncementMessage> { const scidNum = this._channelByOutPoint.get(outpoint.toString()); return this._channelAnn.get(scidNum); }   public async findChannelUpdate( scid: ShortChannelId, dir: number, ): Promise<ChannelUpdateMessage> { return this._channelUpd.get(getChanUpdKey(getChanKey(scid), dir)); }   public async deleteChannelAnnouncement(scid: ShortChannelId): Promise<void> { const msg = await this.findChannelAnnouncement(scid); Iif (!msg) return; const chanKey = getChanKey(scid);   // delete channel this._channelAnn.delete(getChanKey(scid));   // delete outpoint link if (msg instanceof ExtendedChannelAnnouncementMessage) { this._channelByOutPoint.delete(msg.outpoint.toString()); }   // delete channel_updates this._channelUpd.delete(getChanUpdKey(scid.toNumber(), 0)); this._channelUpd.delete(getChanUpdKey(scid.toNumber(), 0));   // delete node links this._nodeChannels.get(getNodeKey(msg.nodeId1)).delete(chanKey); this._nodeChannels.get(getNodeKey(msg.nodeId2)).delete(chanKey); }   public async deleteChannelUpdate(scid: ShortChannelId, dir: number) { this._channelUpd.delete(getChanUpdKey(getChanKey(scid), dir)); }   public async deleteNodeAnnouncement(nodeId: Buffer) { this._nodeAnn.delete(getNodeKey(nodeId)); this._nodeChannels.get(getNodeKey(nodeId)); }   private async _saveNodeChannel(nodeId: Buffer, chanKey: bigint) { const nodeKey = getNodeKey(nodeId); this._nodeChannels.set(nodeKey, this._nodeChannels.get(nodeKey) || new Set<bigint>()); this._nodeChannels.get(nodeKey).add(chanKey); } }   function getNodeKey(nodeId: Buffer): string { return nodeId.toString("hex"); }   function getChanKey(scid: ShortChannelId): bigint { return scid.toNumber(); }   function getChanUpdKey(chanKey: bigint, direction: number): bigint { return (chanKey << BigInt(8)) | BigInt(direction); }  </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 Nov 07 2022 14:49:44 GMT-0500 (Eastern Standard 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>