Remove mining db stats - replaced by runtime state variable

backend/src/api/database-migration.ts

@@ -7,7 +7,7 @@ import cpfpRepository from '../repositories/CpfpRepository';
 import { RowDataPacket } from 'mysql2';
 
 class DatabaseMigration {
-  private static currentVersion = 57;
+  private static currentVersion = 58;
   private queryTimeout = 3600_000;
   private statisticsAddedIndexed = false;
   private uniqueLogs: string[] = [];
@@ -505,6 +505,11 @@ class DatabaseMigration {
       await this.$executeQuery(`ALTER TABLE nodes MODIFY updated_at datetime NULL`);
       await this.updateToSchemaVersion(57);
     }
+
+    if (databaseSchemaVersion < 58) {
+      // We only run some migration queries for this version
+      await this.updateToSchemaVersion(58);
+    }
   }
 
   /**
@@ -632,6 +637,11 @@ class DatabaseMigration {
       queries.push(`INSERT INTO state(name, number, string) VALUES ('last_weekly_hashrates_indexing', 0, NULL)`);
     }
 
+    if (version < 55) {
+      queries.push(`DELETE FROM state WHERE name = 'last_hashrates_indexing'`);
+      queries.push(`DELETE FROM state WHERE name = 'last_weekly_hashrates_indexing'`);
+    }
+
     return queries;
   }
 

backend/src/api/mining/mining.ts

@@ -13,10 +13,9 @@ import BlocksAuditsRepository from '../../repositories/BlocksAuditsRepository';
 import PricesRepository from '../../repositories/PricesRepository';
 
 class Mining {
-  blocksPriceIndexingRunning = false;
-
-  constructor() {
-  }
+  private blocksPriceIndexingRunning = false;
+  public lastHashrateIndexingDate: number | null = null;
+  public lastWeeklyHashrateIndexingDate: number | null = null;
 
   /**
    * Get historical block predictions match rate
@@ -176,13 +175,14 @@ class Mining {
    */
   public async $generatePoolHashrateHistory(): Promise<void> {
     const now = new Date();
-    const lastestRunDate = await HashratesRepository.$getLatestRun('last_weekly_hashrates_indexing');
 
     // Run only if:
-    // * lastestRunDate is set to 0 (node backend restart, reorg)
+    // * this.lastWeeklyHashrateIndexingDate is set to null (node backend restart, reorg)
     // * we started a new week (around Monday midnight)
-    const runIndexing = lastestRunDate === 0 || now.getUTCDay() === 1 && lastestRunDate !== now.getUTCDate();
+    const runIndexing = this.lastWeeklyHashrateIndexingDate === null ||
+      now.getUTCDay() === 1 && this.lastWeeklyHashrateIndexingDate !== now.getUTCDate();
     if (!runIndexing) {
+      logger.debug(`Pool hashrate history indexing is up to date, nothing to do`, logger.tags.mining);
       return;
     }
 
@@ -264,7 +264,7 @@ class Mining {
         ++indexedThisRun;
         ++totalIndexed;
       }
-      await HashratesRepository.$setLatestRun('last_weekly_hashrates_indexing', new Date().getUTCDate());
+      this.lastWeeklyHashrateIndexingDate = new Date().getUTCDate();
       if (newlyIndexed > 0) {
         logger.notice(`Weekly mining pools hashrates indexing completed: indexed ${newlyIndexed}`, logger.tags.mining);
       } else {
@@ -283,9 +283,9 @@ class Mining {
    */
   public async $generateNetworkHashrateHistory(): Promise<void> {
     // We only run this once a day around midnight
-    const latestRunDate = await HashratesRepository.$getLatestRun('last_hashrates_indexing');
-    const now = new Date().getUTCDate();
-    if (now === latestRunDate) {
+    const today = new Date().getUTCDate();
+    if (today === this.lastHashrateIndexingDate) {
+      logger.debug(`Network hashrate history indexing is up to date, nothing to do`, logger.tags.mining);
       return;
     }
 
@@ -369,7 +369,7 @@ class Mining {
       newlyIndexed += hashrates.length;
       await HashratesRepository.$saveHashrates(hashrates);
 
-      await HashratesRepository.$setLatestRun('last_hashrates_indexing', new Date().getUTCDate());
+      this.lastHashrateIndexingDate = new Date().getUTCDate();
       if (newlyIndexed > 0) {
         logger.notice(`Daily network hashrate indexing completed: indexed ${newlyIndexed} days`, logger.tags.mining);
       } else {

backend/src/index.ts

@@ -87,9 +87,6 @@ class Server {
           await databaseMigration.$blocksReindexingTruncate();
         }
         await databaseMigration.$initializeOrMigrateDatabase();
-        if (Common.indexingEnabled()) {
-          await indexer.$resetHashratesIndexingState();
-        }
       } catch (e) {
         throw new Error(e instanceof Error ? e.message : 'Error');
       }

backend/src/indexer.ts

@@ -3,7 +3,6 @@ import blocks from './api/blocks';
 import mempool from './api/mempool';
 import mining from './api/mining/mining';
 import logger from './logger';
-import HashratesRepository from './repositories/HashratesRepository';
 import bitcoinClient from './api/bitcoin/bitcoin-client';
 import priceUpdater from './tasks/price-updater';
 import PricesRepository from './repositories/PricesRepository';
@@ -131,7 +130,6 @@ class Indexer {
 
       this.runSingleTask('blocksPrices');
       await mining.$indexDifficultyAdjustments();
-      await this.$resetHashratesIndexingState(); // TODO - Remove this as it's not efficient
       await mining.$generateNetworkHashrateHistory();
       await mining.$generatePoolHashrateHistory();
       await blocks.$generateBlocksSummariesDatabase();
@@ -150,16 +148,6 @@ class Indexer {
     logger.debug(`Indexing completed. Next run planned at ${new Date(new Date().getTime() + runEvery).toUTCString()}`);
     setTimeout(() => this.reindex(), runEvery);
   }
-
-  async $resetHashratesIndexingState(): Promise<void> {
-    try {
-      await HashratesRepository.$setLatestRun('last_hashrates_indexing', 0);
-      await HashratesRepository.$setLatestRun('last_weekly_hashrates_indexing', 0);
-    } catch (e) {
-      logger.err(`Cannot reset hashrate indexing timestamps. Reason: ` + (e instanceof Error ? e.message : e));
-      throw e;
-    }
-  }
 }
 
 export default new Indexer();

backend/src/repositories/HashratesRepository.ts

@@ -1,5 +1,6 @@
 import { escape } from 'mysql2';
 import { Common } from '../api/common';
+import mining from '../api/mining/mining';
 import DB from '../database';
 import logger from '../logger';
 import PoolsRepository from './PoolsRepository';
@@ -177,20 +178,6 @@ class HashratesRepository {
     }
   }
 
-  /**
-   * Set latest run timestamp
-   */
-  public async $setLatestRun(key: string, val: number) {
-    const query = `UPDATE state SET number = ? WHERE name = ?`;
-
-    try {
-      await DB.query(query, [val, key]);
-    } catch (e) {
-      logger.err(`Cannot set last indexing run for ${key}. Reason: ` + (e instanceof Error ? e.message : e));
-      throw e;
-    }
-  }
-
   /**
    * Get latest run timestamp
    */
@@ -222,8 +209,8 @@ class HashratesRepository {
         await DB.query(`DELETE FROM hashrates WHERE hashrate_timestamp = ?`, [row.timestamp]);
       }
       // Re-run the hashrate indexing to fill up missing data
-      await this.$setLatestRun('last_hashrates_indexing', 0);
-      await this.$setLatestRun('last_weekly_hashrates_indexing', 0);
+      mining.lastHashrateIndexingDate = null;
+      mining.lastWeeklyHashrateIndexingDate = null;
     } catch (e) {
       logger.err('Cannot delete latest hashrates data points. Reason: ' + (e instanceof Error ? e.message : e));
     }
@@ -238,8 +225,8 @@ class HashratesRepository {
     try {
       await DB.query(`DELETE FROM hashrates WHERE hashrate_timestamp >= FROM_UNIXTIME(?)`, [timestamp]);
       // Re-run the hashrate indexing to fill up missing data
-      await this.$setLatestRun('last_hashrates_indexing', 0);
-      await this.$setLatestRun('last_weekly_hashrates_indexing', 0);
+      mining.lastHashrateIndexingDate = null;
+      mining.lastWeeklyHashrateIndexingDate = null;
     } catch (e) {
       logger.err('Cannot delete latest hashrates data points. Reason: ' + (e instanceof Error ? e.message : e));
     }