// 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 frob import ( "github.com/vulcanize/vulcanizedb/pkg/core" "github.com/vulcanize/vulcanizedb/pkg/datastore/postgres" ) type Repository interface { Create(headerID int64, transactionIndex uint, model FrobModel) error MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) } type FrobRepository struct { db *postgres.DB } func NewFrobRepository(db *postgres.DB) FrobRepository { return FrobRepository{db: db} } func (repository FrobRepository) Create(headerID int64, transactionIndex uint, model FrobModel) error { _, err := repository.db.Exec(`INSERT INTO maker.frob (header_id, tx_idx, art, dart, dink, iart, ilk, ink, lad) VALUES($1, $2, $3::NUMERIC, $4::NUMERIC, $5::NUMERIC, $6::NUMERIC, $7, $8::NUMERIC, $9)`, headerID, transactionIndex, model.Art, model.Dart, model.Dink, model.IArt, model.Ilk, model.Ink, model.Lad) return err } func (repository FrobRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) { var result []core.Header err := repository.db.Select( &result, `SELECT headers.id, headers.block_number FROM headers LEFT JOIN maker.frob on headers.id = header_id WHERE header_id ISNULL AND headers.block_number >= $1 AND headers.block_number <= $2 AND headers.eth_node_fingerprint = $3`, startingBlockNumber, endingBlockNumber, repository.db.Node.ID, ) return result, err }