@hashgraph/hedera-local

<!doctype html> <html lang="en"> <head> <title>Code coverage report for src/state/NetworkPrepState.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">src/state</a> NetworkPrepState.ts</h1> <div class='clearfix'> <div class='fl pad1y space-right2'> 97.67% Statements 42/43 </div> <div class='fl pad1y space-right2'> 100% Branches 1/1 </div> <div class='fl pad1y space-right2'> 87.5% Functions 7/8 </div> <div class='fl pad1y space-right2'> 97.67% Lines 42/43 </div> </div> Press n or j to go to the next uncovered block, b, p or k 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class="text"><pre class="prettyprint lang-js">// SPDX-License-Identifier: Apache-2.0   import { Client, FileContentsQuery } from '@hashgraph/sdk'; import shell from 'shelljs'; import { IOBserver } from '../controller/IObserver'; import { ClientService } from '../services/ClientService'; import { LoggerService } from '../services/LoggerService'; import { ServiceLocator } from '../services/ServiceLocator'; import { EventType } from '../types/EventType'; import { IState } from './IState'; import { DockerService } from '../services/DockerService'; import { NETWORK_PREP_STATE_IMPORT_FEES_END, NETWORK_PREP_STATE_IMPORT_FEES_START, NETWORK_PREP_STATE_INIT_MESSAGE, NETWORK_PREP_STATE_STARTING_MESSAGE, NETWORK_PREP_STATE_TOPIC_CREATED, NETWORK_PREP_STATE_WAITING_TOPIC_CREATION } from '../constants';   /** * Represents the network preparation state of the Hedera Local Node. * @implements {IState} */ export class NetworkPrepState implements IState { /** * The logger service used for logging messages. */ private logger: LoggerService;   /** * The client service used in the network preparation state. */ private clientService: ClientService;   /** * Represents the Docker service used for network preparation. */ private dockerService: DockerService;   /** * The observer for the network preparation state. */ private observer: IOBserver | undefined;   /** * The name of the state. */ private stateName: string; /** * Represents the NetworkPrepState class. * This class is responsible for initializing the network preparation state. */ constructor() { this.stateName = NetworkPrepState.name; this.logger = ServiceLocator.Current.get<LoggerService>(LoggerService.name); this.clientService = ServiceLocator.Current.get<ClientService>(ClientService.name); this.dockerService = ServiceLocator.Current.get<DockerService>(DockerService.name); this.logger.trace(NETWORK_PREP_STATE_INIT_MESSAGE, this.stateName); }   /** * Subscribes an observer to receive updates from the network preparation state. * @param {IOBserver} observer - The observer to subscribe. */ public subscribe(observer: IOBserver): void { this.observer = observer; }   /** * Starts the network preparation process. * @returns {Promise<void>} A promise that resolves when the network preparation is complete. */ public async onStart(): Promise<void> { this.logger.info(NETWORK_PREP_STATE_STARTING_MESSAGE, this.stateName); const client = this.clientService.getClient();   await this.importFees(client); await this.waitForTopicCreation();   this.observer!.update(EventType.Finish); }   /** * Imports fees and exchange rates into the network. * @param {Client} client - The Hedera client. * @returns {Promise<void>} A promise that resolves when the import is complete. */ private async importFees(client: Client): Promise<void> { this.logger.trace(NETWORK_PREP_STATE_IMPORT_FEES_START, this.stateName);   const feesFileId = 111; const exchangeRatesFileId = 112;   const timestamp = Date.now(); const nullOutput = this.dockerService.getNullOutput();   const queryFees = this.buildQueryFees(feesFileId); const fees = Buffer.from(await queryFees.execute(client)).toString('hex'); await shell.exec( `docker exec mirror-node-db psql mirror_node -U mirror_node -c "INSERT INTO public.file_data(file_data, consensus_timestamp, entity_id, transaction_type) VALUES (decode('${fees}', 'hex'), ${ timestamp + '000000' }, ${feesFileId}, 17);" >> ${nullOutput}` ); const queryExchangeRates = this.buildQueryFees(exchangeRatesFileId); const exchangeRates = Buffer.from(await queryExchangeRates.execute(client)).toString('hex'); await shell.exec( `docker exec mirror-node-db psql mirror_node -U mirror_node -c "INSERT INTO public.file_data(file_data, consensus_timestamp, entity_id, transaction_type) VALUES (decode('${exchangeRates}', 'hex'), ${ timestamp + '000001' }, ${exchangeRatesFileId}, 17);" >> ${nullOutput}` );   this.logger.info(NETWORK_PREP_STATE_IMPORT_FEES_END, this.stateName); }   /** * Builds a query for the fees file. * @param {number} feesFileId - The fees file ID. * @returns {FileContentsQuery} The query for the fees file. */ private buildQueryFees(feesFileId: number): FileContentsQuery { return new FileContentsQuery().setFileId( `0.0.${feesFileId}` ) }   /** * Mirror Node Monitor creates a Topic Entity. * If that happens during the account generation step all consecutive AccountIds * get shifted by 1 and the private keys no longer correspond to the expected AccountIds. * @returns {Promise<void>} */ private async waitForTopicCreation(): Promise<void> { this.logger.trace(NETWORK_PREP_STATE_WAITING_TOPIC_CREATION, this.stateName); const LOG_SEARCH_TEXT = 'Created TOPIC entity';   return new Promise((resolve, reject) => { const command = shell.exec('docker logs mirror-node-monitor -f', { silent: true, async: true }); command.stdout!.on('data', (data) => { if (data.indexOf(LOG_SEARCH_TEXT) !== -1) { command.kill('SIGINT'); command.stdout!.destroy(); this.logger.info(NETWORK_PREP_STATE_TOPIC_CREATED, this.stateName); resolve(); } }); }); } } // this state waits for topics and uploads fees</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" rel="noopener noreferrer">istanbul</a> at 2026-05-12T08:16:45.970Z </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>