machankura/mempool
3
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

Create top 100 node per channel count component

Browse Source
This commit is contained in:
nymkappa
2022-08-17 16:19:01 +02:00
parent 3c803c8a22
commit 8939c25129
12 changed files with 232 additions and 67 deletions
Download Patch File Download Diff File Expand all files Collapse all files

51
backend/src/api/explorer/nodes.api.ts
View File

@@ -2,7 +2,7 @@ import logger from '../../logger';
import DB from '../../database';
import { ResultSetHeader } from 'mysql2';
import { ILightningApi } from '../lightning/lightning-api.interface';
import { TopNodesPerCapacity, TopNodesPerChannels } from '../../mempool.interfaces';
import { ITopNodesPerCapacity, ITopNodesPerChannels } from '../../mempool.interfaces';
class NodesApi {
public async $getNode(public_key: string): Promise<any> {
@@ -113,7 +113,7 @@ class NodesApi {
}
}
public async $getTopCapacityNodes(full: boolean): Promise<TopNodesPerCapacity[]> {
public async $getTopCapacityNodes(full: boolean): Promise<ITopNodesPerCapacity[]> {
try {
let [rows]: any[] = await DB.query('SELECT UNIX_TIMESTAMP(MAX(added)) as maxAdded FROM node_stats');
const latestDate = rows[0].maxAdded;
@@ -161,21 +161,46 @@ class NodesApi {
}
}
public async $getTopChannelsNodes(): Promise<TopNodesPerChannels[]> {
public async $getTopChannelsNodes(full: boolean): Promise<ITopNodesPerChannels[]> {
try {
let [rows]: any[] = await DB.query('SELECT UNIX_TIMESTAMP(MAX(added)) as maxAdded FROM node_stats');
const latestDate = rows[0].maxAdded;
const query = `
SELECT nodes.public_key, IF(nodes.alias = '', SUBSTRING(nodes.public_key, 1, 20), alias) as alias,
node_stats.channels
FROM node_stats
JOIN nodes ON nodes.public_key = node_stats.public_key
WHERE added = FROM_UNIXTIME(${latestDate})
ORDER BY channels DESC
LIMIT 100;
`;
[rows] = await DB.query(query);
let query: string;
if (full === false) {
query = `
SELECT nodes.public_key, IF(nodes.alias = '', SUBSTRING(nodes.public_key, 1, 20), alias) as alias,
node_stats.channels
FROM node_stats
JOIN nodes ON nodes.public_key = node_stats.public_key
WHERE added = FROM_UNIXTIME(${latestDate})
ORDER BY channels DESC
LIMIT 100;
`;
[rows] = await DB.query(query);
} else {
query = `
SELECT node_stats.public_key AS publicKey, IF(nodes.alias = '', SUBSTRING(node_stats.public_key, 1, 20), alias) as alias,
CAST(COALESCE(node_stats.channels, 0) as INT) as channels,
CAST(COALESCE(node_stats.capacity, 0) as INT) as capacity,
UNIX_TIMESTAMP(nodes.first_seen) as firstSeen, UNIX_TIMESTAMP(nodes.updated_at) as updatedAt,
geo_names_city.names as city, geo_names_country.names as country
FROM node_stats
RIGHT JOIN nodes ON nodes.public_key = node_stats.public_key
LEFT JOIN geo_names geo_names_country ON geo_names_country.id = nodes.country_id AND geo_names_country.type = 'country'
LEFT JOIN geo_names geo_names_city ON geo_names_city.id = nodes.city_id AND geo_names_city.type = 'city'
WHERE added = FROM_UNIXTIME(${latestDate})
ORDER BY channels DESC
LIMIT 100
`;
[rows] = await DB.query(query);
for (let i = 0; i < rows.length; ++i) {
rows[i].country = JSON.parse(rows[i].country);
rows[i].city = JSON.parse(rows[i].city);
}
}
return rows;
} catch (e) {