Add account_update SQL table with balances and nonces

synchronizer/synchronizer.go

@@ -206,8 +206,9 @@ type SCConsts struct {
 
 // Config is the Synchronizer configuration
 type Config struct {
-	StatsRefreshPeriod time.Duration
-	ChainID            uint16
+	StatsRefreshPeriod  time.Duration
+	StoreAccountUpdates bool
+	ChainID             uint16
 }
 
 // Synchronizer implements the Synchronizer type
@@ -993,6 +994,21 @@ func (s *Synchronizer) rollupSync(ethBlock *common.Block) (*common.RollupData, e
 		}
 		batchData.CreatedAccounts = processTxsOut.CreatedAccounts
 
+		if s.cfg.StoreAccountUpdates {
+			batchData.UpdatedAccounts = make([]common.AccountUpdate, 0,
+				len(processTxsOut.UpdatedAccounts))
+			for _, acc := range processTxsOut.UpdatedAccounts {
+				batchData.UpdatedAccounts = append(batchData.UpdatedAccounts,
+					common.AccountUpdate{
+						EthBlockNum: blockNum,
+						BatchNum:    batchNum,
+						Idx:         acc.Idx,
+						Nonce:       acc.Nonce,
+						Balance:     acc.Balance,
+					})
+			}
+		}
+
 		slotNum := int64(0)
 		if ethBlock.Num >= s.consts.Auction.GenesisBlockNum {
 			slotNum = (ethBlock.Num - s.consts.Auction.GenesisBlockNum) /

synchronizer/synchronizer_test.go

@@ -171,6 +171,8 @@ func checkSyncBlock(t *testing.T, s *Synchronizer, blockNum int, block, syncBloc
 			*exit = syncBatch.ExitTree[j]
 		}
 		assert.Equal(t, batch.Batch, syncBatch.Batch)
+		// Ignore updated accounts
+		syncBatch.UpdatedAccounts = nil
 		assert.Equal(t, batch, syncBatch)
 		assert.Equal(t, &batch.Batch, dbBatch) //nolint:gosec
 
@@ -344,7 +346,8 @@ func TestSyncGeneral(t *testing.T) {
 
 	// Create Synchronizer
 	s, err := NewSynchronizer(client, historyDB, stateDB, Config{
-		StatsRefreshPeriod: 0 * time.Second,
+		StatsRefreshPeriod:  0 * time.Second,
+		StoreAccountUpdates: true,
 	})
 	require.NoError(t, err)
 
@@ -735,7 +738,8 @@ func TestSyncForgerCommitment(t *testing.T) {
 
 	// Create Synchronizer
 	s, err := NewSynchronizer(client, historyDB, stateDB, Config{
-		StatsRefreshPeriod: 0 * time.Second,
+		StatsRefreshPeriod:  0 * time.Second,
+		StoreAccountUpdates: true,
 	})
 	require.NoError(t, err)
 
@@ -835,7 +839,8 @@ func TestSyncForgerCommitment(t *testing.T) {
 		syncCommitment[syncBlock.Block.Num] = stats.Sync.Auction.CurrentSlot.ForgerCommitment
 
 		s2, err := NewSynchronizer(client, historyDB, stateDB, Config{
-			StatsRefreshPeriod: 0 * time.Second,
+			StatsRefreshPeriod:  0 * time.Second,
+			StoreAccountUpdates: true,
 		})
 		require.NoError(t, err)
 		stats = s2.Stats()