63 lines
1.6 KiB
TypeScript
63 lines
1.6 KiB
TypeScript
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import DB from '../database';
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import logger from '../logger';
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import lightningApi from '../api/lightning-api-factory';
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/*
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CREATE TABLE IF NOT EXISTS lightning_stats (
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id int(11) NOT NULL AUTO_INCREMENT,
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added datetime NOT NULL,
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channel_count int(11) NOT NULL,
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node_count int(11) NOT NULL,
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total_capacity double unsigned NOT NULL,
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average_channel_size double unsigned NOT NULL,
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CONSTRAINT PRIMARY KEY (id)
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) ENGINE=InnoDB DEFAULT CHARSET=utf8;
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*/
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class LightningStatsUpdater {
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constructor() {}
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public async startService() {
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logger.info('Starting Lightning Stats service');
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const now = new Date();
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const nextHourInterval = new Date(now.getFullYear(), now.getMonth(), now.getDate(), Math.floor(now.getHours() / 1) + 1, 0, 0, 0);
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const difference = nextHourInterval.getTime() - now.getTime();
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setTimeout(() => {
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this.$logLightningStats();
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setInterval(() => {
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this.$logLightningStats();
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}, 1000 * 60 * 60);
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}, difference);
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}
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private async $logLightningStats() {
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const networkInfo = await lightningApi.getNetworkInfo();
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try {
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const query = `INSERT INTO lightning_stats(
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added,
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channel_count,
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node_count,
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total_capacity,
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average_channel_size
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)
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VALUES (NOW(), ?, ?, ?, ?)`;
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await DB.query(query, [
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networkInfo.channel_count,
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networkInfo.node_count,
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networkInfo.total_capacity,
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networkInfo.average_channel_size
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]);
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} catch (e) {
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logger.err('$logLightningStats() error: ' + (e instanceof Error ? e.message : e));
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}
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}
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}
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export default new LightningStatsUpdater();
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