[blocks] save pools-v2.json hash in blocks table

backend/src/api/database-migration.ts

@@ -7,7 +7,7 @@ import cpfpRepository from '../repositories/CpfpRepository';
 import { RowDataPacket } from 'mysql2';
 
 class DatabaseMigration {
-  private static currentVersion = 91;
+  private static currentVersion = 92;
   private queryTimeout = 3600_000;
   private statisticsAddedIndexed = false;
   private uniqueLogs: string[] = [];
@@ -775,6 +775,12 @@ class DatabaseMigration {
       await this.$executeQuery('ALTER TABLE `blocks_audits` ADD INDEX `time` (`time`)');
       await this.updateToSchemaVersion(91);
     }
+
+    // blocks pools-v2.json hash
+    if (databaseSchemaVersion < 92) {
+      await this.$executeQuery('ALTER TABLE `blocks` ADD definition_hash varchar(255) NOT NULL DEFAULT "5f32a67401929169f225f5db43c9efa795d1b159"');
+      await this.updateToSchemaVersion(92);
+    }
   }
 
   /**

backend/src/api/pools-parser.ts

@@ -19,15 +19,6 @@ class PoolsParser {
     'addresses': '[]',
     'slug': 'unknown'
   };
-  private uniqueLogs: string[] = [];
-
-  private uniqueLog(loggerFunction: any, msg: string): void {
-    if (this.uniqueLogs.includes(msg)) {
-      return;
-    }
-    this.uniqueLogs.push(msg);
-    loggerFunction(msg);
-  }
 
   public setMiningPools(pools): void {
     for (const pool of pools) {