ipld-eth-server/pkg/transformers/vat_tune/repository.go
2018-10-09 14:37:26 -05:00

75 lines
2.1 KiB
Go

package vat_tune
import (
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
type Repository interface {
Create(headerID int64, models []VatTuneModel) error
MarkHeaderChecked(headerID int64) error
MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error)
}
type VatTuneRepository struct {
db *postgres.DB
}
func NewVatTuneRepository(db *postgres.DB) VatTuneRepository {
return VatTuneRepository{
db: db,
}
}
func (repository VatTuneRepository) Create(headerID int64, models []VatTuneModel) error {
tx, err := repository.db.Begin()
if err != nil {
return err
}
for _, model := range models {
_, err = tx.Exec(
`INSERT into maker.vat_tune (header_id, ilk, urn, v, w, dink, dart, tx_idx, raw_log)
VALUES($1, $2, $3, $4, $5, $6::NUMERIC, $7::NUMERIC, $8, $9)`,
headerID, model.Ilk, model.Urn, model.V, model.W, model.Dink, model.Dart, model.TransactionIndex, model.Raw,
)
if err != nil {
tx.Rollback()
return err
}
}
_, err = tx.Exec(`INSERT INTO public.checked_headers (header_id, vat_tune_checked)
VALUES ($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET vat_tune_checked = $2`, headerID, true)
if err != nil {
tx.Rollback()
return err
}
return tx.Commit()
}
func (repository VatTuneRepository) MarkHeaderChecked(headerID int64) error {
_, err := repository.db.Exec(`INSERT INTO public.checked_headers (header_id, vat_tune_checked)
VALUES ($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET vat_tune_checked = $2`, headerID, true)
return err
}
func (repository VatTuneRepository) 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 checked_headers on headers.id = header_id
WHERE (header_id ISNULL OR vat_tune_checked IS FALSE)
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
}