fix(eventindexer): nft indexing fix (#15525)

packages/eventindexer/pkg/repo/nft_balance.go

@@ -48,8 +48,6 @@ func (r *NFTBalanceRepository) IncreaseBalance(
 	if err != nil {
 		// allow to be not found, it may be first time this user has this NFT
 		if err != gorm.ErrRecordNotFound {
-			// should always be found, since we are subtracting a balance.
-			// that should be indexed as a positive balance before.
 			return nil, errors.Wrap(err, "r.db.gormDB.First")
 		}
 	}
@@ -85,9 +83,12 @@ func (r *NFTBalanceRepository) SubtractBalance(
 		First(b).
 		Error
 	if err != nil {
-		// should always be found, since we are subtracting a balance.
-		// that should be indexed as a positive balance before.
-		return nil, errors.Wrap(err, "r.db.gormDB.First")
+		if err != gorm.ErrRecordNotFound {
+			return nil, errors.Wrap(err, "r.db.gormDB.First")
+		} else {
+			// cant subtract a balance if user never had this balance, indexing issue
+			return nil, nil
+		}
 	}
 
 	b.Amount -= opts.Amount

packages/eventindexer/pkg/repo/nft_balance_test.go

@@ -145,18 +145,6 @@ func TestIntegration_NFTBalance_Decrease(t *testing.T) {
 			assert.Equal(t, tt.wantErr, err)
 		})
 	}
-
-	bal3, err := nftBalanceRepo.SubtractBalance(context.Background(),
-		eventindexer.UpdateNFTBalanceOpts{
-			ChainID:         1,
-			Address:         "0x123",
-			TokenID:         1,
-			ContractAddress: "0x1234",
-			ContractType:    "ERC721",
-			Amount:          1,
-		})
-	assert.ErrorContains(t, err, "record not found")
-	assert.Nil(t, bal3)
 }
 
 // TODO: fix this test