@node-lightning/wire

<!doctype html> <html lang="en"> <head> <title>Code coverage report for lib/messages/ReplyChannelRangeMessage.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/messages</a> ReplyChannelRangeMessage.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 98.53% Statements 67/68 </div> <div class='fl pad1y space-right2'> 70% Branches 7/10 </div> <div class='fl pad1y space-right2'> 100% Functions 5/5 </div> <div class='fl pad1y space-right2'> 98.51% Lines 66/67 </div> </div> Press n or j to go to the next 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     </td><td class="text"><pre class="prettyprint lang-js">import { BufferReader, BufferWriter } from "@node-lightning/bufio"; import { ShortChannelId } from "@node-lightning/core"; import { shortChannelIdFromBuffer } from "@node-lightning/core"; import { MessageType } from "../MessageType"; import { Encoder } from "../serialize/Encoder"; import { EncodingType } from "../serialize/EncodingType"; import { readTlvs } from "../serialize/readTlvs"; import { IWireMessage } from "./IWireMessage";   export class ReplyChannelRangeMessage implements IWireMessage { public static deserialize(payload: Buffer): ReplyChannelRangeMessage { const instance = new ReplyChannelRangeMessage(); const reader = new BufferReader(payload);   // read type bytes reader.readUInt16BE();   instance.chainHash = reader.readBytes(32);   instance.firstBlocknum = reader.readUInt32BE(); instance.numberOfBlocks = reader.readUInt32BE(); instance.fullInformation = reader.readUInt8() === 1;   // read encoded_short_ids const encodedLen = reader.readUInt16BE(); // encoded_short_channel_id bytes const encodedScidBytes = reader.readBytes(encodedLen); const scidsBytes = new Encoder().decode(encodedScidBytes); const scidsReader = new BufferReader(scidsBytes); while (!scidsReader.eof) { const scidBytes = scidsReader.readBytes(8); instance.shortChannelIds.push(shortChannelIdFromBuffer(scidBytes)); }   // read tlvs in the reply_channel_range realm readTlvs(reader, (type: bigint, valueReader: BufferReader) => { switch (type) { // timestamps TLVs include the timestamps for the node1/2 // node_update messages. A tuple [number, number] will be // returned for each short_channel_id that is returned. // Timestamps are an encoded field where the first byte // indicates the encoding type (RAW or ZLIB DEFLATE). case BigInt(1): { const bytes = valueReader.readBytes(); const decodedBytes = new Encoder().decode(bytes); const decodedReader = new BufferReader(decodedBytes); while (!decodedReader.eof) { instance.timestamps.push([ decodedReader.readUInt32BE(), decodedReader.readUInt32BE(), ]); } return true; }   // checksum TLVs include the checksums for the node1/2 // node_update message. A tuple [number, number] will be // returned for each short_channel_id that is returned case BigInt(3): { while (!valueReader.eof) { instance.checksums.push([ valueReader.readUInt32BE(), valueReader.readUInt32BE(), ]); } return true; }   // return that the TLV type was not handled default: return false; } });   return instance; }   public type: MessageType = MessageType.ReplyChannelRange; public chainHash: Buffer; public firstBlocknum: number; public numberOfBlocks: number; public fullInformation: boolean; public shortChannelIds: ShortChannelId[] = []; public timestamps: Array<[number, number]> = []; public checksums: Array<[number, number]> = [];   public serialize(encoding: EncodingType = EncodingType.ZlibDeflate): Buffer { // encode short channel ids const rawSids = Buffer.concat(this.shortChannelIds.map(p => p.toBuffer())); const esids = new Encoder().encode(encoding, rawSids);   const writer = new BufferWriter(); writer.writeUInt16BE(this.type); writer.writeBytes(this.chainHash); writer.writeUInt32BE(this.firstBlocknum); writer.writeUInt32BE(this.numberOfBlocks); writer.writeUInt8(this.fullInformation ? 1 : 0); writer.writeUInt16BE(esids.length); writer.writeBytes(esids);   // write timestamp TLV if it is required. The timestaps are encoded as // uint32BE tuples corresponding to the timestamps for node1/2 // channel_update messages. This buffer uses the encoding format // supplied and will be either RAW or ZLIB DEFLARE if (this.timestamps.length) { const valueWriter = new BufferWriter(); for (const [v1, v2] of this.timestamps) { valueWriter.writeUInt32BE(v1); valueWriter.writeUInt32BE(v2); } const value = new Encoder().encode(encoding, valueWriter.toBuffer()); writer.writeBigSize(1); // type writer.writeBigSize(value.length); // length writer.writeBytes(value); // value }   // write checksums TLV if it is required. The checksums are encoded as // uint32BE tuples corresponding to the checksums for node1/2 // channel_update messages if (this.checksums.length) { const valueWriter = new BufferWriter(); for (const [v1, v2] of this.checksums) { valueWriter.writeUInt32BE(v1); valueWriter.writeUInt32BE(v2); } const value = valueWriter.toBuffer(); writer.writeBigSize(3); // type writer.writeBigSize(value.length); // length writer.writeBytes(value); // value }   return writer.toBuffer(); } }  </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>