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

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2018-10-04 19:46:04 +00:00
package vat_toll
import (
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
type Repository interface {
Create(headerID int64, models []VatTollModel) error
MarkHeaderChecked(headerID int64) error
MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error)
}
type VatTollRepository struct {
db *postgres.DB
}
func NewVatTollRepository(db *postgres.DB) VatTollRepository {
return VatTollRepository{
db: db,
}
}
func (repository VatTollRepository) Create(headerID int64, models []VatTollModel) error {
tx, err := repository.db.Begin()
if err != nil {
return err
}
for _, model := range models {
_, err = tx.Exec(
`INSERT into maker.vat_toll (header_id, ilk, urn, take, tx_idx, raw_log)
VALUES($1, $2, $3, $4::NUMERIC, $5, $6)`,
headerID, model.Ilk, model.Urn, model.Take, model.TransactionIndex, model.Raw,
)
if err != nil {
tx.Rollback()
return err
}
}
_, err = tx.Exec(`INSERT INTO public.checked_headers (header_id, vat_toll_checked)
VALUES ($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET vat_toll_checked = $2`, headerID, true)
if err != nil {
tx.Rollback()
return err
}
return tx.Commit()
}
func (repository VatTollRepository) MarkHeaderChecked(headerID int64) error {
_, err := repository.db.Exec(`INSERT INTO public.checked_headers (header_id, vat_toll_checked)
VALUES ($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET vat_toll_checked = $2`, headerID, true)
return err
}
func (repository VatTollRepository) 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_toll_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
}