swtc-lib

<!doctype html> <html lang="en"> <head> <title>Code coverage report for orderbook.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> orderbook.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 96.67% Statements 29/30 </div> <div class='fl pad1y space-right2'> 91.67% Branches 11/12 </div> <div class='fl pad1y space-right2'> 100% Functions 4/4 </div> <div class='fl pad1y space-right2'> 100% Lines 28/28 </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 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              1x 1x 1x 1x           1x  </td><td class="text"><pre class="prettyprint lang-js">/** * Created by Administrator on 2016/11/22. */ import { EventEmitter } from "events" import { utils } from "@swtc/utils"   /** * order book stub for all order book * key: currency/issuer:currency/issuer * if swt, currency/issuer=SWT * TODO keep every order book up state, and return state when needed * not need to query jingtumd again * @param remote * @constructor */ class OrderBook extends EventEmitter { public _books protected _token private _remote constructor(remote: any) { super() this._remote = remote this._books = {} this._token = remote._token || "swt" this.on("newListener", function(key, listener) { if (key === "removeListener") return const pair = utils.parseKey(key) if (!pair) { this.pair = new Error("invalid key") return this } this._books[key] = listener }) this.on("removeListener", function(key) { const pair = utils.parseKey(key) if (!pair) { this.pair = new Error("invalid key") return this } delete this._books[key] }) // same implement as account stub, subscribe all and dispatch this._remote.on("transactions", this.__updateBooks.bind(this)) }   private __updateBooks(data) { // dispatch if (data.meta) { const books = utils.affectedBooks(data) const _data = { tx: data.transaction, meta: data.meta, engine_result: data.engine_result, engine_result_code: data.engine_result_code, engine_result_message: data.engine_result_message, ledger_hash: data.ledger_hash, ledger_index: data.ledger_index, validated: data.validated } const _tx = utils.processTx(_data, data.transaction.Account) for (const book of books) { const callback = this._books[books[book]] Iif (callback) callback(_tx) } } } }   export { OrderBook }  </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 Sun Feb 16 2020 18:53:18 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>