ipld-eth-server/pkg/transformers/bite/repository.go

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// 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 bite
import (
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
type Repository interface {
Create(headerID int64, model BiteModel) error
MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error)
}
type BiteRepository struct {
db *postgres.DB
}
func NewBiteRepository(db *postgres.DB) Repository {
return BiteRepository{db: db}
}
func (repository BiteRepository) Create(headerID int64, model BiteModel) error {
_, err := repository.db.Exec(
`INSERT into maker.bite (header_id, id, ilk, urn, ink, art, iart, tab, flip, tx_idx, raw_log)
VALUES($1, $2, $3, $4, $5, $6, $7, $8, $9, $10, $11)`,
headerID, model.Id, model.Ilk, model.Urn, model.Ink, model.Art, model.IArt, model.Tab, model.Flip, model.TransactionIndex, model.Raw,
)
if err != nil {
return err
}
return nil
}
func (repository BiteRepository) MissingHeaders(startingBlockNumber int64, 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.bite 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
}