ipld-eth-server/pkg/transformers/vat_heal/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 vat_heal
import (
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
type Repository interface {
Create(headerId int64, models []VatHealModel) error
MissingHeaders(startingBlock, endingBlock int64) ([]core.Header, error)
MarkCheckedHeader(headerId int64) error
}
type VatHealRepository struct {
DB *postgres.DB
}
func NewVatHealRepository(db *postgres.DB) VatHealRepository {
return VatHealRepository{DB: db}
}
func (repository VatHealRepository) Create(headerId int64, models []VatHealModel) error {
tx, err := repository.DB.Begin()
if err != nil {
return err
}
for _, model := range models {
_, err := tx.Exec(`INSERT INTO maker.vat_heal (header_id, urn, v, rad, tx_idx, raw_log)
2018-10-17 21:01:48 +00:00
VALUES($1, $2, $3, $4::NUMERIC, $5, $6)`,
headerId, model.Urn, model.V, model.Rad, model.TransactionIndex, model.Raw)
if err != nil {
tx.Rollback()
return err
}
}
_, err = tx.Exec(`INSERT INTO public.checked_headers (header_id, vat_heal_checked)
VALUES($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET vat_heal_checked = $2`, headerId, true)
if err != nil {
tx.Rollback()
return err
}
return tx.Commit()
}
func (repository VatHealRepository) MissingHeaders(startingBlock, endingBlock int64) ([]core.Header, error) {
var headers []core.Header
err := repository.DB.Select(&headers,
`SELECT headers.id, block_number from headers
LEFT JOIN checked_headers on headers.id = header_id
WHERE (header_id ISNULL OR vat_heal_checked IS FALSE)
AND headers.block_number >= $1
AND headers.block_number <= $2
AND headers.eth_node_fingerprint = $3`,
startingBlock, endingBlock, repository.DB.Node.ID)
return headers, err
}
func (repository VatHealRepository) MarkCheckedHeader(headerId int64) error {
_, err := repository.DB.Exec(`INSERT INTO public.checked_headers (header_id, vat_heal_checked)
VALUES($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET vat_heal_checked = $2`, headerId, true)
return err
}