ipld-eth-server/pkg/transformers/cat_file/chop_lump/repository.go
Rob Mulholand 0b58efb56a Extract common repository methods
- Inject column names to reduce duplication across common behavior
- Extract checked headers column names to constants
2018-11-08 13:08:59 -06:00

72 lines
2.3 KiB
Go

// Copyright 2018 Vulcanize
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
package chop_lump
import (
"fmt"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared"
"github.com/vulcanize/vulcanizedb/pkg/transformers/shared/constants"
)
type CatFileChopLumpRepository struct {
db *postgres.DB
}
func (repository CatFileChopLumpRepository) Create(headerID int64, models []interface{}) error {
tx, err := repository.db.Begin()
if err != nil {
return err
}
for _, model := range models {
chopLump, ok := model.(CatFileChopLumpModel)
if !ok {
tx.Rollback()
return fmt.Errorf("model of type %T, not %T", model, CatFileChopLumpModel{})
}
_, err := tx.Exec(
`INSERT into maker.cat_file_chop_lump (header_id, ilk, what, data, tx_idx, log_idx, raw_log)
VALUES($1, $2, $3, $4::NUMERIC, $5, $6, $7)`,
headerID, chopLump.Ilk, chopLump.What, chopLump.Data, chopLump.TransactionIndex, chopLump.LogIndex, chopLump.Raw,
)
if err != nil {
tx.Rollback()
return err
}
}
err = shared.MarkHeaderCheckedInTransaction(headerID, tx, constants.CatFileChopLumpChecked)
if err != nil {
tx.Rollback()
return err
}
return tx.Commit()
}
func (repository CatFileChopLumpRepository) MarkHeaderChecked(headerID int64) error {
return shared.MarkHeaderChecked(headerID, repository.db, constants.CatFileChopLumpChecked)
}
func (repository CatFileChopLumpRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
return shared.MissingHeaders(startingBlockNumber, endingBlockNumber, repository.db, constants.CatFileChopLumpChecked)
}
func (repository *CatFileChopLumpRepository) SetDB(db *postgres.DB) {
repository.db = db
}