Create and populate nodes_socket table

backend/src/api/common.ts

@@ -1,5 +1,7 @@
 import { CpfpInfo, TransactionExtended, TransactionStripped } from '../mempool.interfaces';
 import config from '../config';
+import { NodeSocket } from '../repositories/NodesSocketsRepository';
+import { isIP } from 'net';
 export class Common {
   static nativeAssetId = config.MEMPOOL.NETWORK === 'liquidtestnet' ?
     '144c654344aa716d6f3abcc1ca90e5641e4e2a7f633bc09fe3baf64585819a49'
@@ -221,4 +223,35 @@ export class Common {
     const d = new Date((date || 0) * 1000);
     return d.toISOString().split('T')[0] + ' ' + d.toTimeString().split(' ')[0];
   }
+
+  static formatSocket(publicKey: string, socket: {network: string, addr: string}): NodeSocket {
+    let network: string | null = null;
+
+    if (config.LIGHTNING.BACKEND === 'cln') {
+      network = socket.network;
+    } else if (config.LIGHTNING.BACKEND === 'lnd') {
+      if (socket.addr.indexOf('onion') !== -1) {
+        if (socket.addr.split('.')[0].length >= 56) {
+          network = 'torv3';
+        } else {
+          network = 'torv2';
+        }
+      } else if (socket.addr.indexOf('i2p') !== -1) {
+        network = 'i2p';
+      } else {
+        const ipv = isIP(socket.addr.split(':')[0]);
+        if (ipv === 4) {
+          network = 'ipv4';
+        } else if (ipv === 6) {
+          network = 'ipv6';
+        }
+      }
+    }
+
+    return {
+      publicKey: publicKey,
+      network: network,
+      addr: socket.addr,
+    };
+  }
 }

backend/src/api/database-migration.ts

@@ -4,7 +4,7 @@ import logger from '../logger';
 import { Common } from './common';
 
 class DatabaseMigration {
-  private static currentVersion = 36;
+  private static currentVersion = 37;
   private queryTimeout = 120000;
   private statisticsAddedIndexed = false;
   private uniqueLogs: string[] = [];
@@ -324,6 +324,10 @@ class DatabaseMigration {
     if (databaseSchemaVersion < 36 && isBitcoin == true) {
       await this.$executeQuery('ALTER TABLE `nodes` ADD status TINYINT NOT NULL DEFAULT "1"');
     }
+
+    if (databaseSchemaVersion < 37 && isBitcoin == true) {
+      await this.$executeQuery(this.getCreateLNNodesSocketsTableQuery(), await this.$checkIfTableExists('nodes_sockets'));
+    }
   }
 
   /**
@@ -737,7 +741,7 @@ class DatabaseMigration {
       names text DEFAULT NULL,
       UNIQUE KEY id (id,type),
       KEY id_2 (id)
-    ) ENGINE=InnoDB DEFAULT CHARSET=utf8;`
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8;`;
   }
 
   private getCreateBlocksPricesTableQuery(): string {
@@ -749,6 +753,16 @@ class DatabaseMigration {
     ) ENGINE=InnoDB DEFAULT CHARSET=utf8;`;
   }
 
+  private getCreateLNNodesSocketsTableQuery(): string {
+    return `CREATE TABLE IF NOT EXISTS nodes_sockets (
+      public_key varchar(66) NOT NULL,
+      socket varchar(100) NOT NULL,
+      type enum('ipv4', 'ipv6', 'torv2', 'torv3', 'i2p', 'dns') NULL,
+      UNIQUE KEY public_key_socket (public_key, socket),
+      INDEX (public_key)
+    ) ENGINE=InnoDB DEFAULT CHARSET=utf8;`;
+  }
+
   public async $truncateIndexedData(tables: string[]) {
     const allowedTables = ['blocks', 'hashrates', 'prices'];
 

backend/src/api/lightning/clightning/clightning-convert.ts

@@ -17,7 +17,7 @@ export function convertNode(clNode: any): ILightningApi.Node {
         network: addr.type,
         addr: `${addr.address}:${addr.port}`
       };
-    }),
+    }) ?? [],
     last_update: clNode?.last_timestamp ?? 0,
   };
 }

backend/src/api/lightning/lightning-api.interface.ts

@@ -82,4 +82,4 @@ export namespace ILightningApi {
     is_required: boolean;
     is_known: boolean;
   }
-}
+}

backend/src/repositories/BlocksAuditsRepository.ts

@@ -1,4 +1,3 @@
-import transactionUtils from '../api/transaction-utils';
 import DB from '../database';
 import logger from '../logger';
 import { BlockAudit } from '../mempool.interfaces';

backend/src/repositories/NodesSocketsRepository.ts

@@ -0,0 +1,45 @@
+import { ResultSetHeader } from 'mysql2';
+import DB from '../database';
+import logger from '../logger';
+
+export interface NodeSocket {
+  publicKey: string;
+  network: string | null;
+  addr: string;
+}
+
+class NodesSocketsRepository {
+  public async $saveSocket(socket: NodeSocket): Promise<void> {
+    try {
+      await DB.query(`
+        INSERT INTO nodes_sockets(public_key, socket, type)
+        VALUE (?, ?, ?)
+      `, [socket.publicKey, socket.addr, socket.network]);
+    } catch (e: any) {
+      if (e.errno !== 1062) { // ER_DUP_ENTRY - Not an issue, just ignore this
+        logger.err(`Cannot save node socket (${[socket.publicKey, socket.addr, socket.network]}) into db. Reason: ` + (e instanceof Error ? e.message : e));
+        // We don't throw, not a critical issue if we miss some nodes sockets
+      }
+    }
+   }
+
+   public async $deleteUnusedSockets(publicKey: string, addresses: string[]): Promise<number> {
+    if (addresses.length === 0) {
+      return 0;
+    }
+    try {
+      const query = `
+        DELETE FROM nodes_sockets
+        WHERE public_key = ?
+        AND socket NOT IN (${addresses.map(id => `"${id}"`).join(',')})
+      `;
+      const [result] = await DB.query<ResultSetHeader>(query, [publicKey]);
+      return result.affectedRows;
+    } catch (e) {
+      logger.err(`Cannot delete unused sockets for ${publicKey} from db. Reason: ` + (e instanceof Error ? e.message : e));
+      return 0;
+    }
+   }
+}
+
+export default new NodesSocketsRepository();

backend/src/tasks/lightning/network-sync.service.ts

@@ -10,6 +10,8 @@ import lightningApi from '../../api/lightning/lightning-api-factory';
 import nodesApi from '../../api/explorer/nodes.api';
 import { ResultSetHeader } from 'mysql2';
 import fundingTxFetcher from './sync-tasks/funding-tx-fetcher';
+import NodesSocketsRepository from '../../repositories/NodesSocketsRepository';
+import { Common } from '../../api/common';
 
 class NetworkSyncService {
   loggerTimer = 0;
@@ -58,6 +60,7 @@ class NetworkSyncService {
   private async $updateNodesList(nodes: ILightningApi.Node[]): Promise<void> {
     let progress = 0;
 
+    let deletedSockets = 0;
     const graphNodesPubkeys: string[] = [];
     for (const node of nodes) {
       await nodesApi.$saveNode(node);
@@ -69,8 +72,15 @@ class NetworkSyncService {
         logger.info(`Updating node ${progress}/${nodes.length}`);
         this.loggerTimer = new Date().getTime() / 1000;
       }
+
+      const addresses: string[] = [];
+      for (const socket of node.addresses) {
+        await NodesSocketsRepository.$saveSocket(Common.formatSocket(node.pub_key, socket));
+        addresses.push(socket.addr);
+      }
+      deletedSockets += await NodesSocketsRepository.$deleteUnusedSockets(node.pub_key, addresses);
     }
-    logger.info(`${progress} nodes updated`);
+    logger.info(`${progress} nodes updated. ${deletedSockets} sockets deleted`);
 
     // If a channel if not present in the graph, mark it as inactive
     nodesApi.$setNodesInactive(graphNodesPubkeys);