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Add Lightning charts in /graph

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This commit is contained in:
nymkappa
2022-07-06 15:15:08 +02:00
committed by wiz
parent 37f731d21c
commit ed3aa7f516
10 changed files with 154 additions and 58 deletions
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9
backend/src/api/explorer/general.routes.ts
View File

@@ -10,7 +10,7 @@ class GeneralLightningRoutes {
app
.get(config.MEMPOOL.API_URL_PREFIX + 'lightning/search', this.$searchNodesAndChannels)
.get(config.MEMPOOL.API_URL_PREFIX + 'lightning/statistics/latest', this.$getGeneralStats)
.get(config.MEMPOOL.API_URL_PREFIX + 'lightning/statistics', this.$getStatistics)
.get(config.MEMPOOL.API_URL_PREFIX + 'lightning/statistics/:interval', this.$getStatistics)
;
}
@@ -33,7 +33,12 @@ class GeneralLightningRoutes {
private async $getStatistics(req: Request, res: Response) {
try {
const statistics = await statisticsApi.$getStatistics();
const statistics = await statisticsApi.$getStatistics(req.params.interval);
const statisticsCount = await statisticsApi.$getStatisticsCount();
res.header('Pragma', 'public');
res.header('Cache-control', 'public');
res.header('X-total-count', statisticsCount.toString());
res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
res.json(statistics);
} catch (e) {
res.status(500).send(e instanceof Error ? e.message : e);

24
backend/src/api/explorer/statistics.api.ts
View File

@@ -1,10 +1,21 @@
import logger from '../../logger';
import DB from '../../database';
import { Common } from '../common';
class StatisticsApi {
public async $getStatistics(): Promise<any> {
public async $getStatistics(interval: string | null = null): Promise<any> {
interval = Common.getSqlInterval(interval);
let query = `SELECT UNIX_TIMESTAMP(added) AS added, channel_count, node_count, total_capacity, tor_nodes, clearnet_nodes, unannounced_nodes
FROM lightning_stats`;
if (interval) {
query += ` WHERE added BETWEEN DATE_SUB(NOW(), INTERVAL ${interval}) AND NOW()`;
}
query += ` ORDER BY id DESC`;
try {
const query = `SELECT UNIX_TIMESTAMP(added) AS added, channel_count, node_count, total_capacity, tor_nodes, clearnet_nodes, unannounced_nodes FROM lightning_stats ORDER BY id DESC`;
const [rows]: any = await DB.query(query);
return rows;
} catch (e) {
@@ -27,6 +38,15 @@ class StatisticsApi {
}
}
public async $getStatisticsCount(): Promise<number> {
try {
const [rows]: any = await DB.query(`SELECT count(*) as count FROM lightning_stats`);
return rows[0].count;
} catch (e) {
logger.err('$getLatestStatistics error: ' + (e instanceof Error ? e.message : e));
throw e;
}
}
}
export default new StatisticsApi();