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Fix node page and display real time data

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This commit is contained in:
nymkappa
2022-08-04 11:30:32 +02:00
parent faa59f59bd
commit 3c2e27f778
9 changed files with 218 additions and 77 deletions
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66
backend/src/api/explorer/channels.api.ts
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@@ -1,5 +1,6 @@
import logger from '../../logger';
import DB from '../../database';
import nodesApi from './nodes.api';
class ChannelsApi {
public async $getAllChannels(): Promise<any[]> {
@@ -181,15 +182,57 @@ class ChannelsApi {
public async $getChannelsForNode(public_key: string, index: number, length: number, status: string): Promise<any[]> {
try {
// Default active and inactive channels
let statusQuery = '< 2';
// Closed channels only
if (status === 'closed') {
statusQuery = '= 2';
let channelStatusFilter;
if (status === 'open') {
channelStatusFilter = '< 2';
} else if (status === 'closed') {
channelStatusFilter = '= 2';
}
const query = `SELECT n1.alias AS alias_left, n2.alias AS alias_right, channels.*, ns1.channels AS channels_left, ns1.capacity AS capacity_left, ns2.channels AS channels_right, ns2.capacity AS capacity_right FROM channels LEFT JOIN nodes AS n1 ON n1.public_key = channels.node1_public_key LEFT JOIN nodes AS n2 ON n2.public_key = channels.node2_public_key LEFT JOIN node_stats AS ns1 ON ns1.public_key = channels.node1_public_key LEFT JOIN node_stats AS ns2 ON ns2.public_key = channels.node2_public_key WHERE (ns1.id = (SELECT MAX(id) FROM node_stats WHERE public_key = channels.node1_public_key) AND ns2.id = (SELECT MAX(id) FROM node_stats WHERE public_key = channels.node2_public_key)) AND (node1_public_key = ? OR node2_public_key = ?) AND status ${statusQuery} ORDER BY channels.capacity DESC LIMIT ?, ?`;
const [rows]: any = await DB.query(query, [public_key, public_key, index, length]);
const channels = rows.map((row) => this.convertChannel(row));
// Channels originating from node
let query = `
SELECT node2.alias, node2.public_key, channels.status, channels.node1_fee_rate,
channels.capacity, channels.short_id, channels.id
FROM channels
JOIN nodes AS node2 ON node2.public_key = channels.node2_public_key
WHERE node1_public_key = ? AND channels.status ${channelStatusFilter}
`;
const [channelsFromNode]: any = await DB.query(query, [public_key, index, length]);
// Channels incoming to node
query = `
SELECT node1.alias, node1.public_key, channels.status, channels.node2_fee_rate,
channels.capacity, channels.short_id, channels.id
FROM channels
JOIN nodes AS node1 ON node1.public_key = channels.node1_public_key
WHERE node2_public_key = ? AND channels.status ${channelStatusFilter}
`;
const [channelsToNode]: any = await DB.query(query, [public_key, index, length]);
let allChannels = channelsFromNode.concat(channelsToNode);
allChannels.sort((a, b) => {
return b.capacity - a.capacity;
});
allChannels = allChannels.slice(index, index + length);
const channels: any[] = []
for (const row of allChannels) {
const activeChannelsStats: any = await nodesApi.$getActiveChannelsStats(row.public_key);
channels.push({
status: row.status,
capacity: row.capacity ?? 0,
short_id: row.short_id,
id: row.id,
fee_rate: row.node1_fee_rate ?? row.node2_fee_rate ?? 0,
node: {
alias: row.alias.length > 0 ? row.alias : row.public_key.slice(0, 20),
public_key: row.public_key,
channels: activeChannelsStats.active_channel_count ?? 0,
capacity: activeChannelsStats.capacity ?? 0,
}
});
}
return channels;
} catch (e) {
logger.err('$getChannelsForNode error: ' + (e instanceof Error ? e.message : e));
@@ -205,7 +248,12 @@ class ChannelsApi {
if (status === 'closed') {
statusQuery = '= 2';
}
const query = `SELECT COUNT(*) AS count FROM channels WHERE (node1_public_key = ? OR node2_public_key = ?) AND status ${statusQuery}`;
const query = `
SELECT COUNT(*) AS count
FROM channels
WHERE (node1_public_key = ? OR node2_public_key = ?)
AND status ${statusQuery}
`;
const [rows]: any = await DB.query(query, [public_key, public_key]);
return rows[0]['count'];
} catch (e) {