ipld-eth-server/pkg/transformers/dent/repository.go
2018-10-22 12:14:43 -05:00

89 lines
2.6 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 dent
import (
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
type Repository interface {
Create(headerId int64, models []DentModel) error
MarkHeaderChecked(headerId int64) error
MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error)
}
type DentRepository struct {
db *postgres.DB
}
func NewDentRepository(database *postgres.DB) DentRepository {
return DentRepository{db: database}
}
func (r DentRepository) Create(headerId int64, models []DentModel) error {
tx, err := r.db.Begin()
if err != nil {
return err
}
for _, model := range models {
_, err = tx.Exec(
`INSERT into maker.dent (header_id, bid_id, lot, bid, guy, tic, log_idx, tx_idx, raw_log)
VALUES($1, $2, $3, $4, $5, $6, $7, $8, $9)`,
headerId, model.BidId, model.Lot, model.Bid, model.Guy, model.Tic, model.LogIndex, model.TransactionIndex, model.Raw,
)
if err != nil {
tx.Rollback()
return err
}
}
_, err = tx.Exec(`INSERT INTO public.checked_headers (header_id, dent_checked)
VALUES ($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET dent_checked = $2`, headerId, true)
if err != nil {
tx.Rollback()
return err
}
return tx.Commit()
}
func (r DentRepository) MarkHeaderChecked(headerId int64) error {
_, err := r.db.Exec(`INSERT INTO public.checked_headers (header_id, dent_checked)
VALUES ($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET dent_checked = $2`, headerId, true)
return err
}
func (r DentRepository) MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error) {
var missingHeaders []core.Header
err := r.db.Select(
&missingHeaders,
`SELECT headers.id, headers.block_number FROM headers
LEFT JOIN checked_headers on headers.id = header_id
WHERE (header_id ISNULL OR dent_checked IS FALSE)
AND headers.block_number >= $1
AND headers.block_number <= $2
AND headers.eth_node_fingerprint = $3`,
startingBlockNumber,
endingBlockNumber,
r.db.Node.ID,
)
return missingHeaders, err
}