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Show clearnet nodes on world map

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This commit is contained in:
nymkappa
2022-09-06 19:33:07 +02:00
parent ea581c9499
commit 54b6976ef6
7 changed files with 167 additions and 90 deletions
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43
backend/src/api/explorer/nodes.api.ts
View File

@@ -5,6 +5,49 @@ import { ILightningApi } from '../lightning/lightning-api.interface';
import { ITopNodesPerCapacity, ITopNodesPerChannels } from '../../mempool.interfaces';
class NodesApi {
public async $getWorldNodes(): Promise<any> {
try {
let query = `
SELECT nodes.public_key as publicKey, IF(nodes.alias = '', SUBSTRING(nodes.public_key, 1, 20), alias) as alias,
CAST(COALESCE(nodes.capacity, 0) as INT) as capacity,
CAST(COALESCE(nodes.channels, 0) as INT) as channels,
nodes.longitude, nodes.latitude,
geo_names_country.names as country, geo_names_iso.names as isoCode
FROM nodes
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_iso ON geo_names_iso.id = nodes.country_id AND geo_names_iso.type = 'country_iso_code'
WHERE status = 1 AND nodes.as_number IS NOT NULL
ORDER BY capacity
`;
const [nodes]: any[] = await DB.query(query);
for (let i = 0; i < nodes.length; ++i) {
nodes[i].country = JSON.parse(nodes[i].country);
}
query = `
SELECT MAX(nodes.capacity) as maxLiquidity, MAX(nodes.channels) as maxChannels
FROM nodes
WHERE status = 1 AND nodes.as_number IS NOT NULL
`;
const [maximums]: any[] = await DB.query(query);
return {
maxLiquidity: maximums[0].maxLiquidity,
maxChannels: maximums[0].maxChannels,
nodes: nodes.map(node => [
node.longitude, node.latitude,
node.publicKey, node.alias, node.capacity, node.channels,
node.country, node.isoCode
])
};
} catch (e) {
logger.err(`Can't get world nodes list. Reason: ${e instanceof Error ? e.message : e}`);
}
}
public async $getNode(public_key: string): Promise<any> {
try {
// General info

14
backend/src/api/explorer/nodes.routes.ts
View File

@@ -9,6 +9,7 @@ class NodesRoutes {
public initRoutes(app: Application) {
app
.get(config.MEMPOOL.API_URL_PREFIX + 'lightning/nodes/world', this.$getWorldNodes)
.get(config.MEMPOOL.API_URL_PREFIX + 'lightning/nodes/country/:country', this.$getNodesPerCountry)
.get(config.MEMPOOL.API_URL_PREFIX + 'lightning/nodes/search/:search', this.$searchNode)
.get(config.MEMPOOL.API_URL_PREFIX + 'lightning/nodes/isp-ranking', this.$getISPRanking)
@@ -115,7 +116,6 @@ class NodesRoutes {
private async $getISPRanking(req: Request, res: Response): Promise<void> {
try {
const nodesPerAs = await nodesApi.$getNodesISPRanking();
res.header('Pragma', 'public');
res.header('Cache-control', 'public');
res.setHeader('Expires', new Date(Date.now() + 1000 * 600).toUTCString());
@@ -125,6 +125,18 @@ class NodesRoutes {
}
}
private async $getWorldNodes(req: Request, res: Response) {
try {
const worldNodes = await nodesApi.$getWorldNodes();
res.header('Pragma', 'public');
res.header('Cache-control', 'public');
res.setHeader('Expires', new Date(Date.now() + 1000 * 600).toUTCString());
res.json(worldNodes);
} catch (e) {
res.status(500).send(e instanceof Error ? e.message : e);
}
}
private async $getNodesPerCountry(req: Request, res: Response) {
try {
const [country]: any[] = await DB.query(