Refactor the LN backend and add more logs

backend/src/api/common.ts

@@ -1,5 +1,6 @@
 import { CpfpInfo, TransactionExtended, TransactionStripped } from '../mempool.interfaces';
 import config from '../config';
+import { convertChannelId } from './lightning/clightning/clightning-convert';
 export class Common {
   static nativeAssetId = config.MEMPOOL.NETWORK === 'liquidtestnet' ?
     '144c654344aa716d6f3abcc1ca90e5641e4e2a7f633bc09fe3baf64585819a49'
@@ -184,4 +185,37 @@ export class Common {
       config.MEMPOOL.BLOCKS_SUMMARIES_INDEXING === true
     );
   }
+
+  static setDateMidnight(date: Date): void {
+    date.setUTCHours(0);
+    date.setUTCMinutes(0);
+    date.setUTCSeconds(0);
+    date.setUTCMilliseconds(0);
+  }
+
+  static channelShortIdToIntegerId(id: string): string {
+    if (config.LIGHTNING.BACKEND === 'lnd') {
+      return id;
+    }
+    return convertChannelId(id);
+  }
+
+  /** Decodes a channel id returned by lnd as uint64 to a short channel id */
+  static channelIntegerIdToShortId(id: string): string {
+    if (config.LIGHTNING.BACKEND === 'cln') {
+      return id;
+    }
+
+    const n = BigInt(id);
+    return [
+      n >> 40n, // nth block
+      (n >> 16n) & 0xffffffn, // nth tx of the block
+      n & 0xffffn // nth output of the tx
+    ].join('x');
+  }
+
+  static utcDateToMysql(date?: number): string {
+    const d = new Date((date || 0) * 1000);
+    return d.toISOString().split('T')[0] + ' ' + d.toTimeString().split(' ')[0];
+  }
 }

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

@@ -1,6 +1,9 @@
 import logger from '../../logger';
 import DB from '../../database';
 import nodesApi from './nodes.api';
+import { ResultSetHeader } from 'mysql2';
+import { ILightningApi } from '../lightning/lightning-api.interface';
+import { Common } from '../common';
 
 class ChannelsApi {
   public async $getAllChannels(): Promise<any[]> {
@@ -302,6 +305,139 @@ class ChannelsApi {
       },
     };
   }
+
+  /**
+   * Save or update a channel present in the graph
+   */
+  public async $saveChannel(channel: ILightningApi.Channel): Promise<void> {
+    const [ txid, vout ] = channel.chan_point.split(':');
+
+    const policy1: Partial<ILightningApi.RoutingPolicy> = channel.node1_policy || {};
+    const policy2: Partial<ILightningApi.RoutingPolicy> = channel.node2_policy || {};
+
+    try {
+      const query = `INSERT INTO channels
+        (
+          id,
+          short_id,
+          capacity,
+          transaction_id,
+          transaction_vout,
+          updated_at,
+          status,
+          node1_public_key,
+          node1_base_fee_mtokens,
+          node1_cltv_delta,
+          node1_fee_rate,
+          node1_is_disabled,
+          node1_max_htlc_mtokens,
+          node1_min_htlc_mtokens,
+          node1_updated_at,
+          node2_public_key,
+          node2_base_fee_mtokens,
+          node2_cltv_delta,
+          node2_fee_rate,
+          node2_is_disabled,
+          node2_max_htlc_mtokens,
+          node2_min_htlc_mtokens,
+          node2_updated_at
+        )
+        VALUES (?, ?, ?, ?, ?, ?, 1, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
+        ON DUPLICATE KEY UPDATE
+          capacity = ?,
+          updated_at = ?,
+          status = 1,
+          node1_public_key = ?,
+          node1_base_fee_mtokens = ?,
+          node1_cltv_delta = ?,
+          node1_fee_rate = ?,
+          node1_is_disabled = ?,
+          node1_max_htlc_mtokens = ?,
+          node1_min_htlc_mtokens = ?,
+          node1_updated_at = ?,
+          node2_public_key = ?,
+          node2_base_fee_mtokens = ?,
+          node2_cltv_delta = ?,
+          node2_fee_rate = ?,
+          node2_is_disabled = ?,
+          node2_max_htlc_mtokens = ?,
+          node2_min_htlc_mtokens = ?,
+          node2_updated_at = ?
+        ;`;
+
+      await DB.query(query, [
+        Common.channelShortIdToIntegerId(channel.channel_id),
+        Common.channelIntegerIdToShortId(channel.channel_id),
+        channel.capacity,
+        txid,
+        vout,
+        Common.utcDateToMysql(channel.last_update),
+        channel.node1_pub,
+        policy1.fee_base_msat,
+        policy1.time_lock_delta,
+        policy1.fee_rate_milli_msat,
+        policy1.disabled,
+        policy1.max_htlc_msat,
+        policy1.min_htlc,
+        Common.utcDateToMysql(policy1.last_update),
+        channel.node2_pub,
+        policy2.fee_base_msat,
+        policy2.time_lock_delta,
+        policy2.fee_rate_milli_msat,
+        policy2.disabled,
+        policy2.max_htlc_msat,
+        policy2.min_htlc,
+        Common.utcDateToMysql(policy2.last_update),
+        channel.capacity,
+        Common.utcDateToMysql(channel.last_update),
+        channel.node1_pub,
+        policy1.fee_base_msat,
+        policy1.time_lock_delta,
+        policy1.fee_rate_milli_msat,
+        policy1.disabled,
+        policy1.max_htlc_msat,
+        policy1.min_htlc,
+        Common.utcDateToMysql(policy1.last_update),
+        channel.node2_pub,
+        policy2.fee_base_msat,
+        policy2.time_lock_delta,
+        policy2.fee_rate_milli_msat,
+        policy2.disabled,
+        policy2.max_htlc_msat,
+        policy2.min_htlc,
+        Common.utcDateToMysql(policy2.last_update)
+      ]);
+    } catch (e) {
+      logger.err('$saveChannel() error: ' + (e instanceof Error ? e.message : e));
+    }
+  }
+
+  /**
+   * Set all channels not in `graphChannelsIds` as inactive (status = 0)
+   */
+  public async $setChannelsInactive(graphChannelsIds: string[]): Promise<void> {
+    if (graphChannelsIds.length === 0) {
+      return;
+    }
+
+    try {
+      const result = await DB.query<ResultSetHeader>(`
+        UPDATE channels
+        SET status = 0
+        WHERE short_id NOT IN (
+          ${graphChannelsIds.map(id => `"${id}"`).join(',')}
+        )
+        AND status != 2
+      `);
+      if (result[0].changedRows ?? 0 > 0) {
+        logger.info(`Marked ${result[0].changedRows} channels as inactive because they are not in the graph`);
+      } else {
+        logger.debug(`Marked ${result[0].changedRows} channels as inactive because they are not in the graph`);
+      }
+    } catch (e) {
+      logger.err('$setChannelsInactive() error: ' + (e instanceof Error ? e.message : e));
+    }
+  }
 }
 
 export default new ChannelsApi();

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

@@ -1,5 +1,7 @@
 import logger from '../../logger';
 import DB from '../../database';
+import { ResultSetHeader } from 'mysql2';
+import { ILightningApi } from '../lightning/lightning-api.interface';
 
 class NodesApi {
   public async $getNode(public_key: string): Promise<any> {
@@ -321,6 +323,66 @@ class NodesApi {
       throw e;
     }
   }
+
+  /**
+   * Save or update a node present in the graph
+   */
+  public async $saveNode(node: ILightningApi.Node): Promise<void> {
+    try {
+      const sockets = (node.addresses?.map(a => a.addr).join(',')) ?? '';
+      const query = `INSERT INTO nodes(
+          public_key,
+          first_seen,
+          updated_at,
+          alias,
+          color,
+          sockets,
+          status
+        )
+        VALUES (?, NOW(), FROM_UNIXTIME(?), ?, ?, ?, 1)
+        ON DUPLICATE KEY UPDATE updated_at = FROM_UNIXTIME(?), alias = ?, color = ?, sockets = ?, status = 1`;
+
+      await DB.query(query, [
+        node.pub_key,
+        node.last_update,
+        node.alias,
+        node.color,
+        sockets,
+        node.last_update,
+        node.alias,
+        node.color,
+        sockets,
+      ]);
+    } catch (e) {
+      logger.err('$saveNode() error: ' + (e instanceof Error ? e.message : e));
+    }
+  }
+
+  /**
+   * Set all nodes not in `nodesPubkeys` as inactive (status = 0)
+   */
+   public async $setNodesInactive(graphNodesPubkeys: string[]): Promise<void> {
+    if (graphNodesPubkeys.length === 0) {
+      return;
+    }
+
+    try {
+      const result = await DB.query<ResultSetHeader>(`
+        UPDATE nodes
+        SET status = 0
+        WHERE public_key NOT IN (
+          ${graphNodesPubkeys.map(pubkey => `"${pubkey}"`).join(',')}
+        )
+      `);
+      if (result[0].changedRows ?? 0 > 0) {
+        logger.info(`Marked ${result[0].changedRows} nodes as inactive because they are not in the graph`);
+      } else {
+        logger.debug(`Marked ${result[0].changedRows} nodes as inactive because they are not in the graph`);
+      }
+    } catch (e) {
+      logger.err('$setNodesInactive() error: ' + (e instanceof Error ? e.message : e));
+    }
+  }
 }
 
 export default new NodesApi();

backend/src/config.ts

@@ -32,7 +32,8 @@ interface IConfig {
     ENABLED: boolean;
     BACKEND: 'lnd' | 'cln' | 'ldk';
     TOPOLOGY_FOLDER: string;
-    NODE_STATS_REFRESH_INTERVAL: number;
+    STATS_REFRESH_INTERVAL: number;
+    GRAPH_REFRESH_INTERVAL: number;
   };
   LND: {
     TLS_CERT_PATH: string;
@@ -184,7 +185,8 @@ const defaults: IConfig = {
     'ENABLED': false,
     'BACKEND': 'lnd',
     'TOPOLOGY_FOLDER': '',
-    'NODE_STATS_REFRESH_INTERVAL': 600,
+    'STATS_REFRESH_INTERVAL': 600,
+    'GRAPH_REFRESH_INTERVAL': 600,
   },
   'LND': {
     'TLS_CERT_PATH': '',

backend/src/database.ts

@@ -1,7 +1,7 @@
 import config from './config';
 import { createPool, Pool, PoolConnection } from 'mysql2/promise';
 import logger from './logger';
-import { PoolOptions } from 'mysql2/typings/mysql';
+import { FieldPacket, OkPacket, PoolOptions, ResultSetHeader, RowDataPacket } from 'mysql2/typings/mysql';
 
  class DB {
   constructor() {
@@ -28,7 +28,9 @@ import { PoolOptions } from 'mysql2/typings/mysql';
     }
   }
 
-  public async query(query, params?) {
+  public async query<T extends RowDataPacket[][] | RowDataPacket[] | OkPacket |
+    OkPacket[] | ResultSetHeader>(query, params?): Promise<[T, FieldPacket[]]>
+  {
     this.checkDBFlag();
     const pool = await this.getPool();
     return pool.query(query, params);

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

@@ -1,60 +1,43 @@
 import DB from '../../database';
 import logger from '../../logger';
 import channelsApi from '../../api/explorer/channels.api';
-import bitcoinClient from '../../api/bitcoin/bitcoin-client';
 import bitcoinApi from '../../api/bitcoin/bitcoin-api-factory';
 import config from '../../config';
 import { IEsploraApi } from '../../api/bitcoin/esplora-api.interface';
 import { ILightningApi } from '../../api/lightning/lightning-api.interface';
 import { $lookupNodeLocation } from './sync-tasks/node-locations';
 import lightningApi from '../../api/lightning/lightning-api-factory';
-import { convertChannelId } from '../../api/lightning/clightning/clightning-convert';
+import nodesApi from '../../api/explorer/nodes.api';
-import { Common } from '../../api/common';
+import { ResultSetHeader } from 'mysql2';
+import fundingTxFetcher from './sync-tasks/funding-tx-fetcher';
 
 class NetworkSyncService {
+  loggerTimer = 0;
+
   constructor() {}
 
-  public async $startService() {
+  public async $startService(): Promise<void> {
-    logger.info('Starting node sync service');
+    logger.info('Starting lightning network sync service');
 
-    await this.$runUpdater();
+    this.loggerTimer = new Date().getTime() / 1000;
 
-    setInterval(async () => {
+    await this.$runTasks();
-      await this.$runUpdater();
-    }, 1000 * 60 * 60);
   }
 
-  private async $runUpdater(): Promise<void> {
+  private async $runTasks(): Promise<void> {
     try {
-      logger.info(`Updating nodes and channels...`);
+      logger.info(`Updating nodes and channels`);
 
       const networkGraph = await lightningApi.$getNetworkGraph();
       if (networkGraph.nodes.length === 0 || networkGraph.edges.length === 0) {
         logger.info(`LN Network graph is empty, retrying in 10 seconds`);
-        await Common.sleep$(10000);
+        setTimeout(() => { this.$runTasks(); }, 10000);
-        this.$runUpdater();
         return;
       }
 
-      for (const node of networkGraph.nodes) {
+      await this.$updateNodesList(networkGraph.nodes);
-        await this.$saveNode(node);
+      await this.$updateChannelsList(networkGraph.edges);
-      }
+      await this.$deactivateChannelsWithoutActiveNodes();
-      logger.info(`Nodes updated.`);
-
-      if (config.MAXMIND.ENABLED) {
-        await $lookupNodeLocation();
-      }
-
-      const graphChannelsIds: string[] = [];
-      for (const channel of networkGraph.edges) {
-        await this.$saveChannel(channel);
-        graphChannelsIds.push(channel.channel_id);
-      }
-      await this.$setChannelsInactive(graphChannelsIds);
-
-      logger.info(`Channels updated.`);
-
-      await this.$findInactiveNodesAndChannels();
       await this.$lookUpCreationDateFromChain();
       await this.$updateNodeFirstSeen();
       await this.$scanForClosedChannels();
@@ -63,60 +46,148 @@ class NetworkSyncService {
       }
 
     } catch (e) {
-      logger.err('$runUpdater() error: ' + (e instanceof Error ? e.message : e));
+      logger.err('$runTasks() error: ' + (e instanceof Error ? e.message : e));
     }
+
+    setTimeout(() => { this.$runTasks(); }, 1000 * config.LIGHTNING.STATS_REFRESH_INTERVAL);
+  }
+
+  /**
+   * Update the `nodes` table to reflect the current network graph state
+   */
+  private async $updateNodesList(nodes: ILightningApi.Node[]): Promise<void> {
+    let progress = 0;
+
+    const graphNodesPubkeys: string[] = [];
+    for (const node of nodes) {
+      await nodesApi.$saveNode(node);
+      graphNodesPubkeys.push(node.pub_key);
+      ++progress;
+
+      const elapsedSeconds = Math.round((new Date().getTime() / 1000) - this.loggerTimer);
+      if (elapsedSeconds > 10) {
+        logger.info(`Updating node ${progress}/${nodes.length}`);
+        this.loggerTimer = new Date().getTime() / 1000;
+      }
+    }
+    logger.info(`${progress} nodes updated`);
+
+    // If a channel if not present in the graph, mark it as inactive
+    // nodesApi.$setNodesInactive(graphNodesPubkeys);
+
+    if (config.MAXMIND.ENABLED) {
+      $lookupNodeLocation();
+    }
+  }
+
+  /**
+   * Update the `channels` table to reflect the current network graph state
+   */
+  private async $updateChannelsList(channels: ILightningApi.Channel[]): Promise<void> {
+    let progress = 0;
+
+    const graphChannelsIds: string[] = [];
+    for (const channel of channels) {
+      await channelsApi.$saveChannel(channel);
+      graphChannelsIds.push(channel.channel_id);
+      ++progress;
+
+      const elapsedSeconds = Math.round((new Date().getTime() / 1000) - this.loggerTimer);
+      if (elapsedSeconds > 10) {
+        logger.info(`Updating channel ${progress}/${channels.length}`);
+        this.loggerTimer = new Date().getTime() / 1000;
+      }
+    }
+
+    logger.info(`${progress} channels updated`);
+
+    // If a channel if not present in the graph, mark it as inactive
+    channelsApi.$setChannelsInactive(graphChannelsIds);
   }
 
   // This method look up the creation date of the earliest channel of the node
   // and update the node to that date in order to get the earliest first seen date
-  private async $updateNodeFirstSeen() {
+  private async $updateNodeFirstSeen(): Promise<void> {
+    let progress = 0;
+    let updated = 0;
+
     try {
-      const [nodes]: any[] = await DB.query(`SELECT nodes.public_key, UNIX_TIMESTAMP(nodes.first_seen) AS first_seen, (SELECT UNIX_TIMESTAMP(created) FROM channels WHERE channels.node1_public_key = nodes.public_key ORDER BY created ASC LIMIT 1) AS created1, (SELECT UNIX_TIMESTAMP(created) FROM channels WHERE channels.node2_public_key = nodes.public_key ORDER BY created ASC LIMIT 1) AS created2 FROM nodes`);
+      const [nodes]: any[] = await DB.query(`
+        SELECT nodes.public_key, UNIX_TIMESTAMP(nodes.first_seen) AS first_seen,
+        (
+          SELECT MIN(UNIX_TIMESTAMP(created))
+          FROM channels
+          WHERE channels.node1_public_key = nodes.public_key
+        ) AS created1,
+        (
+          SELECT MIN(UNIX_TIMESTAMP(created))
+          FROM channels
+          WHERE channels.node2_public_key = nodes.public_key
+        ) AS created2
+        FROM nodes
+      `);
+
       for (const node of nodes) {
-        let lowest = 0;
+        const lowest = Math.min(
-        if (node.created1) {
+          node.created1 ?? Number.MAX_SAFE_INTEGER,
-          if (node.created2 && node.created2 < node.created1) {
+          node.created2 ?? Number.MAX_SAFE_INTEGER,
-            lowest = node.created2;
+          node.first_seen ?? Number.MAX_SAFE_INTEGER
-          } else {
+        );
-            lowest = node.created1;
+        if (lowest < node.first_seen) {
-          }
-        } else if (node.created2) {
-          lowest = node.created2;
-        }
-        if (lowest && lowest < node.first_seen) {
           const query = `UPDATE nodes SET first_seen = FROM_UNIXTIME(?) WHERE public_key = ?`;
           const params = [lowest, node.public_key];
           await DB.query(query, params);
         }
+        ++progress;
+        const elapsedSeconds = Math.round((new Date().getTime() / 1000) - this.loggerTimer);
+        if (elapsedSeconds > 10) {
+          logger.info(`Updating node first seen date ${progress}/${nodes.length}`);
+          this.loggerTimer = new Date().getTime() / 1000;
+          ++updated;
         }
-      logger.info(`Node first seen dates scan complete.`);
+      }
+      logger.info(`Updated ${updated} node first seen dates`);
     } catch (e) {
       logger.err('$updateNodeFirstSeen() error: ' + (e instanceof Error ? e.message : e));
     }
   }
 
-  private async $lookUpCreationDateFromChain() {
+  private async $lookUpCreationDateFromChain(): Promise<void> {
-    logger.info(`Running channel creation date lookup...`);
+    let progress = 0;
+
+    logger.info(`Running channel creation date lookup`);
     try {
       const channels = await channelsApi.$getChannelsWithoutCreatedDate();
       for (const channel of channels) {
-        const transaction = await bitcoinClient.getRawTransaction(channel.transaction_id, 1);
+        const transaction = await fundingTxFetcher.$fetchChannelOpenTx(channel.short_id);
-        await DB.query(`UPDATE channels SET created = FROM_UNIXTIME(?) WHERE channels.id = ?`, [transaction.blocktime, channel.id]);
+        await DB.query(`
+          UPDATE channels SET created = FROM_UNIXTIME(?) WHERE channels.id = ?`,
+          [transaction.timestamp, channel.id]
+        );
+        ++progress;
+        const elapsedSeconds = Math.round((new Date().getTime() / 1000) - this.loggerTimer);
+        if (elapsedSeconds > 10) {
+          logger.info(`Updating channel creation date ${progress}/${channels.length}`);
+          this.loggerTimer = new Date().getTime() / 1000;
         }
-      logger.info(`Channel creation dates scan complete.`);
+      }
+      logger.info(`Updated ${channels.length} channels' creation date`);
     } catch (e) {
-      logger.err('$setCreationDateFromChain() error: ' + (e instanceof Error ? e.message : e));
+      logger.err('$lookUpCreationDateFromChain() error: ' + (e instanceof Error ? e.message : e));
     }
   }
 
-  // Looking for channels whos nodes are inactive
+  /**
-  private async $findInactiveNodesAndChannels(): Promise<void> {
+   * If a channel does not have any active node linked to it, then also
-    logger.info(`Running inactive channels scan...`);
+   * mark that channel as inactive
+   */
+  private async $deactivateChannelsWithoutActiveNodes(): Promise<void> {
+    logger.info(`Find channels which nodes are offline`);
 
     try {
-      const [channels]: [{ id: string }[]] = await <any>DB.query(`
+      const result = await DB.query<ResultSetHeader>(`
-        SELECT channels.id
+        UPDATE channels
-        FROM channels
+        SET status = 0
         WHERE channels.status = 1
         AND (
           (
@@ -131,16 +202,19 @@ class NetworkSyncService {
           ) = 0)
         `);
 
-      for (const channel of channels) {
+      if (result[0].changedRows ?? 0 > 0) {
-        await this.$updateChannelStatus(channel.id, 0);
+        logger.info(`Marked ${result[0].changedRows} channels as inactive because they are not linked to any active node`);
+      } else {
+        logger.debug(`Marked ${result[0].changedRows} channels as inactive because they are not linked to any active node`);
       }
-      logger.info(`Inactive channels scan complete.`);
     } catch (e) {
-      logger.err('$findInactiveNodesAndChannels() error: ' + (e instanceof Error ? e.message : e));
+      logger.err('$deactivateChannelsWithoutActiveNodes() error: ' + (e instanceof Error ? e.message : e));
     }
   }
 
   private async $scanForClosedChannels(): Promise<void> {
+    let progress = 0;
+
     try {
       logger.info(`Starting closed channels scan...`);
       const channels = await channelsApi.$getChannelsByStatus(0);
@@ -154,6 +228,13 @@ class NetworkSyncService {
             await DB.query(`UPDATE channels SET closing_transaction_id = ? WHERE id = ?`, [spendingTx.txid, channel.id]);
           }
         }
+
+        ++progress;
+        const elapsedSeconds = Math.round((new Date().getTime() / 1000) - this.loggerTimer);
+        if (elapsedSeconds > 10) {
+          logger.info(`Checking if channel has been closed ${progress}/${channels.length}`);
+          this.loggerTimer = new Date().getTime() / 1000;
+        }
       }
       logger.info(`Closed channels scan complete.`);
     } catch (e) {
@@ -171,6 +252,9 @@ class NetworkSyncService {
     if (!config.ESPLORA.REST_API_URL) {
       return;
     }
+
+    let progress = 0;
+
     try {
       logger.info(`Started running closed channel forensics...`);
       const channels = await channelsApi.$getClosedChannelsWithoutReason();
@@ -216,6 +300,13 @@ class NetworkSyncService {
           logger.debug('Setting closing reason ' + reason + ' for channel: ' + channel.id + '.');
           await DB.query(`UPDATE channels SET closing_reason = ? WHERE id = ?`, [reason, channel.id]);
         }
+
+        ++progress;
+        const elapsedSeconds = Math.round((new Date().getTime() / 1000) - this.loggerTimer);
+        if (elapsedSeconds > 10) {
+          logger.info(`Updating channel closed channel forensics ${progress}/${channels.length}`);
+          this.loggerTimer = new Date().getTime() / 1000;
+        }
       }
       logger.info(`Closed channels forensics scan complete.`);
     } catch (e) {
@@ -270,195 +361,6 @@ class NetworkSyncService {
       }
       return 1;
   }
-
-  private async $saveChannel(channel: ILightningApi.Channel): Promise<void> {
-    const [ txid, vout ] = channel.chan_point.split(':');
-
-    const policy1: Partial<ILightningApi.RoutingPolicy> = channel.node1_policy || {};
-    const policy2: Partial<ILightningApi.RoutingPolicy> = channel.node2_policy || {};
-
-    try {
-      const query = `INSERT INTO channels
-        (
-          id,
-          short_id,
-          capacity,
-          transaction_id,
-          transaction_vout,
-          updated_at,
-          status,
-          node1_public_key,
-          node1_base_fee_mtokens,
-          node1_cltv_delta,
-          node1_fee_rate,
-          node1_is_disabled,
-          node1_max_htlc_mtokens,
-          node1_min_htlc_mtokens,
-          node1_updated_at,
-          node2_public_key,
-          node2_base_fee_mtokens,
-          node2_cltv_delta,
-          node2_fee_rate,
-          node2_is_disabled,
-          node2_max_htlc_mtokens,
-          node2_min_htlc_mtokens,
-          node2_updated_at
-        )
-        VALUES (?, ?, ?, ?, ?, ?, 1, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?, ?)
-        ON DUPLICATE KEY UPDATE
-          capacity = ?,
-          updated_at = ?,
-          status = 1,
-          node1_public_key = ?,
-          node1_base_fee_mtokens = ?,
-          node1_cltv_delta = ?,
-          node1_fee_rate = ?,
-          node1_is_disabled = ?,
-          node1_max_htlc_mtokens = ?,
-          node1_min_htlc_mtokens = ?,
-          node1_updated_at = ?,
-          node2_public_key = ?,
-          node2_base_fee_mtokens = ?,
-          node2_cltv_delta = ?,
-          node2_fee_rate = ?,
-          node2_is_disabled = ?,
-          node2_max_htlc_mtokens = ?,
-          node2_min_htlc_mtokens = ?,
-          node2_updated_at = ?
-        ;`;
-
-      await DB.query(query, [
-        this.toIntegerId(channel.channel_id),
-        this.toShortId(channel.channel_id),
-        channel.capacity,
-        txid,
-        vout,
-        this.utcDateToMysql(channel.last_update),
-        channel.node1_pub,
-        policy1.fee_base_msat,
-        policy1.time_lock_delta,
-        policy1.fee_rate_milli_msat,
-        policy1.disabled,
-        policy1.max_htlc_msat,
-        policy1.min_htlc,
-        this.utcDateToMysql(policy1.last_update),
-        channel.node2_pub,
-        policy2.fee_base_msat,
-        policy2.time_lock_delta,
-        policy2.fee_rate_milli_msat,
-        policy2.disabled,
-        policy2.max_htlc_msat,
-        policy2.min_htlc,
-        this.utcDateToMysql(policy2.last_update),
-        channel.capacity,
-        this.utcDateToMysql(channel.last_update),
-        channel.node1_pub,
-        policy1.fee_base_msat,
-        policy1.time_lock_delta,
-        policy1.fee_rate_milli_msat,
-        policy1.disabled,
-        policy1.max_htlc_msat,
-        policy1.min_htlc,
-        this.utcDateToMysql(policy1.last_update),
-        channel.node2_pub,
-        policy2.fee_base_msat,
-        policy2.time_lock_delta,
-        policy2.fee_rate_milli_msat,
-        policy2.disabled,
-        policy2.max_htlc_msat,
-        policy2.min_htlc,
-        this.utcDateToMysql(policy2.last_update)
-      ]);
-    } catch (e) {
-      logger.err('$saveChannel() error: ' + (e instanceof Error ? e.message : e));
-    }
-  }
-
-  private async $updateChannelStatus(channelId: string, status: number): Promise<void> {
-    try {
-      await DB.query(`UPDATE channels SET status = ? WHERE id = ?`, [status, channelId]);
-    } catch (e) {
-      logger.err('$updateChannelStatus() error: ' + (e instanceof Error ? e.message : e));
-    }
-  }
-
-  private async $setChannelsInactive(graphChannelsIds: string[]): Promise<void> {
-    if (graphChannelsIds.length === 0) {
-      return;
-    }
-
-    try {
-      await DB.query(`
-        UPDATE channels
-        SET status = 0
-        WHERE short_id NOT IN (
-          ${graphChannelsIds.map(id => `"${id}"`).join(',')}
-        )
-        AND status != 2
-      `);
-    } catch (e) {
-      logger.err('$setChannelsInactive() error: ' + (e instanceof Error ? e.message : e));
-    }
-  }
-
-  private async $saveNode(node: ILightningApi.Node): Promise<void> {
-    try {
-      const sockets = (node.addresses?.map(a => a.addr).join(',')) ?? '';
-      const query = `INSERT INTO nodes(
-          public_key,
-          first_seen,
-          updated_at,
-          alias,
-          color,
-          sockets
-        )
-        VALUES (?, NOW(), FROM_UNIXTIME(?), ?, ?, ?)
-        ON DUPLICATE KEY UPDATE updated_at = FROM_UNIXTIME(?), alias = ?, color = ?, sockets = ?`;
-
-      await DB.query(query, [
-        node.pub_key,
-        node.last_update,
-        node.alias,
-        node.color,
-        sockets,
-        node.last_update,
-        node.alias,
-        node.color,
-        sockets,
-      ]);
-    } catch (e) {
-      logger.err('$saveNode() error: ' + (e instanceof Error ? e.message : e));
-    }
-  }
-
-  private toIntegerId(id: string): string {
-    if (config.LIGHTNING.BACKEND === 'cln') {
-      return convertChannelId(id);
-    }
-    else if (config.LIGHTNING.BACKEND === 'lnd') {
-      return id;
-    }
-    return '';
-  }
-
-  /** Decodes a channel id returned by lnd as uint64 to a short channel id */
-  private toShortId(id: string): string {
-    if (config.LIGHTNING.BACKEND === 'cln') {
-      return id;
-    }
-
-    const n = BigInt(id);
-    return [
-      n >> 40n, // nth block
-      (n >> 16n) & 0xffffffn, // nth tx of the block
-      n & 0xffffn // nth output of the tx
-    ].join('x');
-  }
-
-  private utcDateToMysql(date?: number): string {
-    const d = new Date((date || 0) * 1000);
-    return d.toISOString().split('T')[0] + ' ' + d.toTimeString().split(' ')[0];
-  }
 }
 
 export default new NetworkSyncService();

backend/src/tasks/lightning/stats-updater.service.ts

@@ -1,8 +1,8 @@
-import DB from '../../database';
 import logger from '../../logger';
 import lightningApi from '../../api/lightning/lightning-api-factory';
 import LightningStatsImporter from './sync-tasks/stats-importer';
 import config from '../../config';
+import { Common } from '../../api/common';
 
 class LightningStatsUpdater {
   public async $startService(): Promise<void> {
@@ -12,29 +12,20 @@ class LightningStatsUpdater {
     LightningStatsImporter.$run();
   }
 
-  private setDateMidnight(date: Date): void {
-    date.setUTCHours(0);
-    date.setUTCMinutes(0);
-    date.setUTCSeconds(0);
-    date.setUTCMilliseconds(0);
-  }
-
   private async $runTasks(): Promise<void> {
     await this.$logStatsDaily();
 
-    setTimeout(() => {
+    setTimeout(() => { this.$runTasks(); }, 1000 * config.LIGHTNING.STATS_REFRESH_INTERVAL);
-      this.$runTasks();
-    }, 1000 * config.LIGHTNING.NODE_STATS_REFRESH_INTERVAL);
   }
 
   /**
-   * Update the latest entry for each node every config.LIGHTNING.NODE_STATS_REFRESH_INTERVAL seconds
+   * Update the latest entry for each node every config.LIGHTNING.STATS_REFRESH_INTERVAL seconds
    */
   private async $logStatsDaily(): Promise<void> {
     const date = new Date();
-    this.setDateMidnight(date);
+    Common.setDateMidnight(date);
 
-    logger.info(`Updating latest networks stats`);
+    logger.info(`Updating latest network stats`);
     const networkGraph = await lightningApi.$getNetworkGraph();
     LightningStatsImporter.computeNetworkStats(date.getTime() / 1000, networkGraph);
   }

backend/src/tasks/lightning/sync-tasks/funding-tx-fetcher.ts

@@ -69,7 +69,7 @@ class FundingTxFetcher {
     this.running = false;
   }
   
-  public async $fetchChannelOpenTx(channelId: string): Promise<any> {
+  public async $fetchChannelOpenTx(channelId: string): Promise<{timestamp: number, txid: string, value: number}> {
     if (this.fundingTxCache[channelId]) {
       return this.fundingTxCache[channelId];
     }

backend/src/tasks/lightning/sync-tasks/node-locations.ts

@@ -6,7 +6,10 @@ import DB from '../../../database';
 import logger from '../../../logger';
 
 export async function $lookupNodeLocation(): Promise<void> {
-  logger.info(`Running node location updater using Maxmind...`);
+  let loggerTimer = new Date().getTime() / 1000;
+  let progress = 0;
+
+  logger.info(`Running node location updater using Maxmind`);
   try {
     const nodes = await nodesApi.$getAllNodes();
     const lookupCity = await maxmind.open<CityResponse>(config.MAXMIND.GEOLITE2_CITY);
@@ -18,13 +21,15 @@ export async function $lookupNodeLocation(): Promise<void> {
       for (const socket of sockets) {
         const ip = socket.substring(0, socket.lastIndexOf(':')).replace('[', '').replace(']', '');
         const hasClearnet = [4, 6].includes(net.isIP(ip));
+
         if (hasClearnet && ip !== '127.0.1.1' && ip !== '127.0.0.1') {
           const city = lookupCity.get(ip);
           const asn = lookupAsn.get(ip);
           const isp = lookupIsp.get(ip);
 
           if (city && (asn || isp)) {
-            const query = `UPDATE nodes SET 
+            const query = `
+              UPDATE nodes SET 
                 as_number = ?, 
                 city_id = ?, 
                 country_id = ?, 
@@ -32,7 +37,8 @@ export async function $lookupNodeLocation(): Promise<void> {
                 longitude = ?, 
                 latitude = ?, 
                 accuracy_radius = ?
-            WHERE public_key = ?`;
+              WHERE public_key = ?
+            `;
 
             const params = [
               isp?.autonomous_system_number ?? asn?.autonomous_system_number,
@@ -88,10 +94,17 @@ export async function $lookupNodeLocation(): Promise<void> {
                 [isp?.autonomous_system_number ?? asn?.autonomous_system_number, JSON.stringify(isp?.isp ?? asn?.autonomous_system_organization)]);
             }
           }
+
+          ++progress;
+          const elapsedSeconds = Math.round((new Date().getTime() / 1000) - loggerTimer);
+          if (elapsedSeconds > 10) {
+            logger.info(`Updating node location data ${progress}/${nodes.length}`);
+            loggerTimer = new Date().getTime() / 1000;
           }
         }
       }
-    logger.info(`Node location data updated.`);
+    }
+    logger.info(`${progress} nodes location data updated`);
   } catch (e) {
     logger.err('$lookupNodeLocation() error: ' + (e instanceof Error ? e.message : e));
   }