Search API

frontend/src/app/services/api.service.ts

@@ -240,4 +240,9 @@ export class ApiService {
     return this.httpClient.get<any[]>(this.apiBaseUrl + this.apiBasePath + '/lightning/api/v1/channels/txids/', { params });
   }
 
+  lightningSearch$(searchText: string): Observable<any[]> {
+    let params = new HttpParams().set('searchText', searchText);
+    return this.httpClient.get<any[]>(this.apiBaseUrl + this.apiBasePath + '/lightning/api/v1/search', { params });
+  }
+
 }

lightning-backend/src/api/explorer/channels.api.ts

@@ -13,6 +13,18 @@ class ChannelsApi {
     }
   }
 
+  public async $searchChannelsById(search: string): Promise<any[]> {
+    try {
+      const searchStripped = search.replace('%', '') + '%';
+      const query = `SELECT id, short_id, capacity FROM channels WHERE id LIKE ? OR short_id LIKE ? LIMIT 10`;
+      const [rows]: any = await DB.query(query, [searchStripped, searchStripped]);
+      return rows;
+    } catch (e) {
+      logger.err('$searchChannelsById error: ' + (e instanceof Error ? e.message : e));
+      throw e;
+    }
+  }
+
   public async $getChannelsByStatus(status: number): Promise<any[]> {
     try {
       const query = `SELECT * FROM channels WHERE status = ?`;
@@ -46,11 +58,12 @@ class ChannelsApi {
     }
   }
 
-  public async $getChannelByTransactionId(transactionId: string): Promise<any> {
+  public async $getChannelsByTransactionId(transactionIds: string[]): Promise<any[]> {
     try {
-      const query = `SELECT n1.alias AS alias_left, n2.alias AS alias_right, channels.* FROM channels LEFT JOIN nodes AS n1 ON n1.public_key = channels.node1_public_key LEFT JOIN nodes AS n2 ON n2.public_key = channels.node2_public_key WHERE channels.transaction_id = ?`;
-      const [rows]: any = await DB.query(query, [transactionId]);
-      return rows[0];
+      transactionIds = transactionIds.map((id) => '\'' + id + '\'');
+      const query = `SELECT n1.alias AS alias_left, n2.alias AS alias_right, channels.* FROM channels LEFT JOIN nodes AS n1 ON n1.public_key = channels.node1_public_key LEFT JOIN nodes AS n2 ON n2.public_key = channels.node2_public_key WHERE channels.transaction_id IN (${transactionIds.join(', ')})`;
+      const [rows]: any = await DB.query(query);
+      return rows;
     } catch (e) {
       logger.err('$getChannelByTransactionId error: ' + (e instanceof Error ? e.message : e));
       throw e;

lightning-backend/src/api/explorer/channels.routes.ts

@@ -8,11 +8,21 @@ class ChannelsRoutes {
   public initRoutes(app: Express) {
     app
       .get(config.MEMPOOL.API_URL_PREFIX + 'channels/txids', this.$getChannelsByTransactionIds)
+      .get(config.MEMPOOL.API_URL_PREFIX + 'channels/search/:search', this.$searchChannelsById)
       .get(config.MEMPOOL.API_URL_PREFIX + 'channels/:short_id', this.$getChannel)
       .get(config.MEMPOOL.API_URL_PREFIX + 'channels', this.$getChannels)
     ;
   }
 
+  private async $searchChannelsById(req: Request, res: Response) {
+    try {
+      const channels = await channelsApi.$searchChannelsById(req.params.search);
+      res.json(channels);
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
   private async $getChannel(req: Request, res: Response) {
     try {
       const channel = await channelsApi.$getChannel(req.params.short_id);
@@ -32,8 +42,8 @@ class ChannelsRoutes {
         res.status(501).send('Missing parameter: public_key');
         return;
       }
-        const channels = await channelsApi.$getChannelsForNode(req.query.public_key);
-        res.json(channels);
+      const channels = await channelsApi.$getChannelsForNode(req.query.public_key);
+      res.json(channels);
     } catch (e) {
       res.status(500).send(e instanceof Error ? e.message : e);
     }
@@ -51,12 +61,18 @@ class ChannelsRoutes {
           txIds.push(req.query.txId[_txId].toString());
         }
       }
-      const channels: any[] = [];
-      for (const txId of txIds) {
-        const channel = await channelsApi.$getChannelByTransactionId(txId);
-        channels.push(channel);
+      const channels = await channelsApi.$getChannelsByTransactionId(txIds);
+      const result: any[] = [];
+      for (const txid of txIds) {
+        const foundChannel = channels.find((channel) => channel.transaction_id === txid);
+        if (foundChannel) {
+          result.push(foundChannel);
+        } else {
+          result.push(null);
+        }
       }
-      res.json(channels);
+
+      res.json(result);
     } catch (e) {
       res.status(500).send(e instanceof Error ? e.message : e);
     }

lightning-backend/src/api/explorer/general.routes.ts

@@ -0,0 +1,32 @@
+import config from '../../config';
+import { Express, Request, Response } from 'express';
+import nodesApi from './nodes.api';
+import channelsApi from './channels.api';
+class GeneralRoutes {
+  constructor() { }
+
+  public initRoutes(app: Express) {
+    app
+    .get(config.MEMPOOL.API_URL_PREFIX + 'search', this.$searchNodesAndChannels)
+  ;
+  }
+
+  private async $searchNodesAndChannels(req: Request, res: Response) {
+    if (typeof req.query.searchText !== 'string') {
+      res.status(501).send('Missing parameter: searchText');
+      return;
+    }
+    try {
+      const nodes = await nodesApi.$searchNodeByPublicKeyOrAlias(req.query.searchText);
+      const channels = await channelsApi.$searchChannelsById(req.query.searchText);
+      res.json({
+        nodes: nodes,
+        channels: channels,
+      });
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+}
+
+export default new GeneralRoutes();

lightning-backend/src/api/explorer/nodes.api.ts

@@ -59,6 +59,18 @@ class NodesApi {
       throw e;
     }
   }
+
+  public async $searchNodeByPublicKeyOrAlias(search: string) {
+    try {
+      const searchStripped = search.replace('%', '') + '%';
+      const query = `SELECT public_key, alias, color FROM nodes WHERE public_key LIKE ? OR alias LIKE ? LIMIT 10`;
+      const [rows]: any = await DB.query(query, [searchStripped, searchStripped]);
+      return rows;
+    } catch (e) {
+      logger.err('$searchNodeByPublicKeyOrAlias error: ' + (e instanceof Error ? e.message : e));
+      throw e;
+    }
+  }
 }
 
 export default new NodesApi();

lightning-backend/src/api/explorer/nodes.routes.ts

@@ -7,12 +7,22 @@ class NodesRoutes {
   public initRoutes(app: Express) {
     app
     .get(config.MEMPOOL.API_URL_PREFIX + 'statistics/latest', this.$getGeneralStats)
+    .get(config.MEMPOOL.API_URL_PREFIX + 'nodes/search/:search', this.$searchNode)
     .get(config.MEMPOOL.API_URL_PREFIX + 'nodes/top', this.$getTopNodes)
     .get(config.MEMPOOL.API_URL_PREFIX + 'nodes/:public_key/statistics', this.$getHistoricalNodeStats)
     .get(config.MEMPOOL.API_URL_PREFIX + 'nodes/:public_key', this.$getNode)
   ;
   }
 
+  private async $searchNode(req: Request, res: Response) {
+    try {
+      const nodes = await nodesApi.$searchNodeByPublicKeyOrAlias(req.params.search);
+      res.json(nodes);
+    } catch (e) {
+      res.status(500).send(e instanceof Error ? e.message : e);
+    }
+  }
+
   private async $getNode(req: Request, res: Response) {
     try {
       const node = await nodesApi.$getNode(req.params.public_key);

lightning-backend/src/server.ts

@@ -3,6 +3,7 @@ import * as express from 'express';
 import * as http from 'http';
 import logger from './logger';
 import config from './config';
+import generalRoutes from './api/explorer/general.routes';
 import nodesRoutes from './api/explorer/nodes.routes';
 import channelsRoutes from './api/explorer/channels.routes';
 
@@ -30,6 +31,7 @@ class Server {
   }
 
   private initRoutes() {
+    generalRoutes.initRoutes(this.app);
     nodesRoutes.initRoutes(this.app);
     channelsRoutes.initRoutes(this.app);
   }