ipld-eth-server/pkg/transformers/vat_flux/repository.go
2018-10-25 10:02:06 -05:00

87 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 vat_flux
import (
"fmt"
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
type VatFluxRepository struct {
db *postgres.DB
}
func (repository VatFluxRepository) Create(headerId int64, models []interface{}) error {
tx, err := repository.db.Begin()
if err != nil {
return err
}
for _, model := range models {
vatFlux, ok := model.(VatFluxModel)
if !ok {
tx.Rollback()
return fmt.Errorf("model of type %T, not %T", model, VatFluxModel{})
}
_, err := tx.Exec(`INSERT INTO maker.vat_flux (header_id, ilk, dst, src, rad, tx_idx, log_idx, raw_log)
VALUES($1, $2, $3, $4, $5::NUMERIC, $6, $7, $8)`,
headerId, vatFlux.Ilk, vatFlux.Dst, vatFlux.Src, vatFlux.Rad, vatFlux.TransactionIndex, vatFlux.LogIndex, vatFlux.Raw)
if err != nil {
tx.Rollback()
return err
}
}
_, err = tx.Exec(`INSERT INTO public.checked_headers (header_id, vat_flux_checked)
VALUES($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET vat_flux_checked = $2`, headerId, true)
if err != nil {
tx.Rollback()
return err
}
return tx.Commit()
}
func (repository VatFluxRepository) MarkHeaderChecked(headerId int64) error {
_, err := repository.db.Exec(`INSERT INTO public.checked_headers (header_id, vat_flux_checked)
VALUES($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET vat_flux_checked = $2`, headerId, true)
return err
}
func (repository VatFluxRepository) 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_flux_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 *VatFluxRepository) SetDB(db *postgres.DB) {
repository.db = db
}