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Show channel on the map in channel page

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This commit is contained in:
nymkappa
2022-08-10 16:00:12 +02:00
parent 7012a480e8
commit db41aed44b
5 changed files with 91 additions and 8 deletions
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30
backend/src/api/explorer/channels.api.ts
View File

@@ -96,7 +96,31 @@ class ChannelsApi {
public async $getChannel(id: string): Promise<any> {
try {
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 channels.id = ?`;
const query = `
SELECT n1.alias AS alias_left, n1.longitude as node1_longitude, n1.latitude as node1_latitude,
n2.alias AS alias_right, n2.longitude as node2_longitude, n2.latitude as node2_latitude,
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 channels.id = ?
`;
const [rows]: any = await DB.query(query, [id]);
if (rows[0]) {
return this.convertChannel(rows[0]);
@@ -289,6 +313,8 @@ class ChannelsApi {
'max_htlc_mtokens': channel.node1_max_htlc_mtokens,
'min_htlc_mtokens': channel.node1_min_htlc_mtokens,
'updated_at': channel.node1_updated_at,
'longitude': channel.node1_longitude,
'latitude': channel.node1_latitude,
},
'node_right': {
'alias': channel.alias_right,
@@ -302,6 +328,8 @@ class ChannelsApi {
'max_htlc_mtokens': channel.node2_max_htlc_mtokens,
'min_htlc_mtokens': channel.node2_min_htlc_mtokens,
'updated_at': channel.node2_updated_at,
'longitude': channel.node2_longitude,
'latitude': channel.node2_latitude,
},
};
}

3
backend/src/api/explorer/channels.routes.ts
View File

@@ -32,6 +32,9 @@ class ChannelsRoutes {
res.status(404).send('Channel not found');
return;
}
res.header('Pragma', 'public');
res.header('Cache-control', 'public');
res.setHeader('Expires', new Date(Date.now() + 1000 * 60).toUTCString());
res.json(channel);
} catch (e) {
res.status(500).send(e instanceof Error ? e.message : e);