chore: #125 drop tx_chart table and remove code related tx_chart

application/src/main/java/org/cardanofoundation/ledgersync/repository/TxRepository.java

@@ -2,13 +2,7 @@
 
 import org.cardanofoundation.ledgersync.consumercommon.entity.Block;
 import org.cardanofoundation.ledgersync.consumercommon.entity.Tx;
-import org.cardanofoundation.ledgersync.consumercommon.entity.Tx_;
-import org.cardanofoundation.ledgersync.projection.TxTimeProjection;
-import org.springframework.data.domain.Pageable;
-import org.springframework.data.jpa.repository.EntityGraph;
 import org.springframework.data.jpa.repository.JpaRepository;
-import org.springframework.data.jpa.repository.Query;
-import org.springframework.data.repository.query.Param;
 import org.springframework.stereotype.Repository;
 
 import java.util.Collection;
@@ -18,33 +12,4 @@
 public interface TxRepository extends JpaRepository<Tx, Long> {
 
     List<Tx> findAllByBlockIn(Collection<Block> blocks);
-
-    Tx findFirstByOrderByIdDesc();
-
-    @Query("SELECT tx.id as txId, "
-            + "tx.block.time as txTime, "
-            + "(SUM(CASE WHEN r IS NOT NULL THEN 1 ELSE 0 END) != 0) AS txWithSc, "
-            + "(SUM(CASE WHEN r IS NULL AND tm IS NOT NULL THEN 1 ELSE 0 END) != 0) AS txWithMetadataWithoutSc, "
-            + "(SUM(CASE WHEN r IS NULL AND tm IS NULL THEN 1 ELSE 0 END) != 0) AS simpleTx "
-            + "FROM Tx tx "
-            + "LEFT JOIN Redeemer r on r.tx = tx "
-            + "LEFT JOIN TxMetadata tm ON tm.tx = tx "
-            + "WHERE :id IS NULL OR tx.id > :id "
-            + "GROUP BY txId, txTime")
-    List<TxTimeProjection> findTxWithTimeByIdGreaterThanOrNull(@Param("id") Long id);
-
-    @Query("SELECT tx.id as txId, "
-            + "tx.block.time as txTime, "
-            + "(SUM(CASE WHEN r IS NOT NULL THEN 1 ELSE 0 END) != 0) AS txWithSc, "
-            + "(SUM(CASE WHEN r IS NULL AND tm IS NOT NULL THEN 1 ELSE 0 END) != 0) AS txWithMetadataWithoutSc, "
-            + "(SUM(CASE WHEN r IS NULL AND tm IS NULL THEN 1 ELSE 0 END) != 0) AS simpleTx "
-            + "FROM Tx tx "
-            + "LEFT JOIN Redeemer r on r.tx = tx "
-            + "LEFT JOIN TxMetadata tm ON tm.tx = tx "
-            + "WHERE tx IN (:txs) "
-            + "GROUP BY txId, txTime")
-    List<TxTimeProjection> findTxWithTimeByTxIn(@Param("txs") Collection<Tx> txs);
-
-    @EntityGraph(attributePaths = Tx_.BLOCK)
-    List<Tx> findAllByOrderByBlockIdDescBlockIndexAsc(Pageable pageable);
 }

application/src/main/java/org/cardanofoundation/ledgersync/service/impl/block/BlockSyncServiceImpl.java

@@ -9,9 +9,7 @@
 import org.cardanofoundation.ledgersync.aggregate.AggregatedSlotLeader;
 import org.cardanofoundation.ledgersync.consumercommon.entity.Block;
 import org.cardanofoundation.ledgersync.consumercommon.entity.SlotLeader;
-import org.cardanofoundation.ledgersync.consumercommon.entity.Tx;
 import org.cardanofoundation.ledgersync.repository.BlockRepository;
-import org.cardanofoundation.ledgersync.repository.TxRepository;
 import org.cardanofoundation.ledgersync.service.*;
 import org.springframework.stereotype.Service;
 import org.springframework.transaction.annotation.Transactional;
@@ -28,14 +26,12 @@
 public class BlockSyncServiceImpl implements BlockSyncService {
 
     BlockRepository blockRepository;
-    TxRepository txRepository;
 
     TransactionService transactionService;
     BlockDataService blockDataService;
     SlotLeaderService slotLeaderService;
     EpochService epochService;
     EpochParamService epochParamService;
-    TxChartService txChartService;
     MetricCollectorService metricCollectorService;
     AggregatedDataCachingService aggregatedDataCachingService;
 
@@ -72,7 +68,6 @@ public void handleBlockSync() {
         blockRepository.saveAll(blockMap.values());
         aggregatedDataCachingService.addBlockCount(allAggregatedBlocks.size());
         // Prepare and handle transaction contents
-        Tx latestSavedTx = txRepository.findFirstByOrderByIdDesc();
         transactionService.prepareAndHandleTxs(blockMap, allAggregatedBlocks);
 
         // Handle epoch data
@@ -84,9 +79,6 @@ public void handleBlockSync() {
         // Cache latest txs
         aggregatedDataCachingService.saveLatestTxs();
 
-        // Handle tx charts
-        txChartService.handleTxChart(latestSavedTx);
-
         // Finally, commit and clear the aggregated data
         blockDataService.clearBatchBlockData();
         aggregatedDataCachingService.commit();

application/src/main/java/org/cardanofoundation/ledgersync/service/impl/block/RollbackServiceImpl.java

@@ -56,7 +56,6 @@ public class RollbackServiceImpl implements RollbackService {
     TxWitnessRepository txWitnessRepository;
     EpochService epochService;
     MultiAssetService multiAssetService;
-    TxChartService txChartService;
     AggregatedDataCachingService aggregatedDataCachingService;
 
 
@@ -126,7 +125,6 @@ private void removeAllRollbackBlockData(List<Block> rollbackBlocks) {
                         tx.getId(), tx.getHash(), tx.getBlockId()));
 
         multiAssetService.rollbackMultiAssets(txsForRollback);
-        txChartService.rollbackTxChart(txsForRollback);
         aggregatedDataCachingService.subtractTxCount(txsForRollback.size());
 
         log.info("Deleting records from tables related to txs/blocks being rolled back");

application/src/main/resources/db/migration/ledgersync/V1_1_7__drop-tx-chart-table.sql

@@ -0,0 +1 @@
+DROP TABLE IF EXISTS tx_chart;