From 816fb3bf01fcaff65666dd5c4ed1bfea49a1d6da Mon Sep 17 00:00:00 2001
From: nymkappa <1612910616@pm.me>
Date: Fri, 31 Mar 2023 12:22:26 +0900
Subject: [PATCH] Don't delete transactions when checking if the current chain
 is valid

---
 backend/src/repositories/BlocksRepository.ts    |  1 -
 .../repositories/BlocksSummariesRepository.ts   | 17 -----------------
 2 files changed, 18 deletions(-)

diff --git a/backend/src/repositories/BlocksRepository.ts b/backend/src/repositories/BlocksRepository.ts
index 251d86403..69d597e1f 100644
--- a/backend/src/repositories/BlocksRepository.ts
+++ b/backend/src/repositories/BlocksRepository.ts
@@ -575,7 +575,6 @@ class BlocksRepository {
         if (blocks[idx].previous_block_hash !== blocks[idx - 1].hash) {
           logger.warn(`Chain divergence detected at block ${blocks[idx - 1].height}`);
           await this.$deleteBlocksFrom(blocks[idx - 1].height);
-          await BlocksSummariesRepository.$deleteTransactionsFrom(blocks[idx - 1].height);
           await HashratesRepository.$deleteHashratesFromTimestamp(blocks[idx - 1].timestamp - 604800);
           await DifficultyAdjustmentsRepository.$deleteAdjustementsFromHeight(blocks[idx - 1].height);
           return false;
diff --git a/backend/src/repositories/BlocksSummariesRepository.ts b/backend/src/repositories/BlocksSummariesRepository.ts
index 570aee473..de70322bd 100644
--- a/backend/src/repositories/BlocksSummariesRepository.ts
+++ b/backend/src/repositories/BlocksSummariesRepository.ts
@@ -82,23 +82,6 @@ class BlocksSummariesRepository {
     return [];
   }
 
-  /**
-   * Delete blocks from the database from blockHeight
-   */
-  public async $deleteTransactionsFrom(blockHeight: number): Promise<void> {
-    logger.info(`Delete blocks summaries transactions from height ${blockHeight} from the database, but keep templates`, logger.tags.mining);
-
-    try {
-      await DB.query(`
-        UPDATE blocks_summaries
-        SET transactions = '[]'
-        WHERE height >= ${blockHeight}
-      `);
-    } catch (e) {
-      logger.err('Cannot delete blocks summaries transactions. Reason: ' + (e instanceof Error ? e.message : e));
-    }
-  }
-
   /**
    * Get the fee percentiles if the block has already been indexed, [] otherwise
    *