ipld-eth-server/pkg/transformers/vat_move/repository.go
Edvard Hübinette be58dd4ac8 Add vat_move transformer (#47)
* Add vat_move transformer base

* Add vat_move migrations

* Add test data for vat_move

* Add vat_move transformer to initialisers

* Add numeric cast to psql insert of Rad

* Add new db schema

* Dependency update

* Expand abbreviation in repository

* Add test suite for vat_move

* Add header checking to transformer and mock repository

* Remove trailing zero in test data

* Fix minor mishaps

* Go fmt nitpicking

* Refactoring in tests

* Add tests covering checked headers stuff (and fix revealed bugs)

* go fmt fixes

* Implement batching behaviour of transformer

* Small fixes after review

* Go fmt
2018-10-12 16:13:13 +02:00

97 lines
2.7 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_move
import (
"github.com/vulcanize/vulcanizedb/pkg/core"
"github.com/vulcanize/vulcanizedb/pkg/datastore/postgres"
)
type Repository interface {
Create(headerID int64, models []VatMoveModel) error
MissingHeaders(startingBlockNumber, endingBlockNumber int64) ([]core.Header, error)
MarkHeaderChecked(headerID int64) error
}
type VatMoveRepository struct {
db *postgres.DB
}
func NewVatMoveRepository(db *postgres.DB) VatMoveRepository {
return VatMoveRepository{
db: db,
}
}
func (repository VatMoveRepository) Create(headerID int64, models []VatMoveModel) error {
tx, err := repository.db.Begin()
if err != nil {
return err
}
for _, vatMove := range models {
_, err = tx.Exec(
`INSERT INTO maker.vat_move (header_id, src, dst, rad, tx_idx, raw_log)
VALUES ($1, $2, $3, $4::NUMERIC, $5, $6)`,
headerID, vatMove.Src, vatMove.Dst, vatMove.Rad, vatMove.TransactionIndex, vatMove.Raw,
)
if err != nil {
tx.Rollback()
return err
}
}
_, err = tx.Exec(
`INSERT INTO public.checked_headers (header_id, vat_move_checked)
VALUES ($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET vat_move_checked = $2`,
headerID, true)
if err != nil {
tx.Rollback()
return err
}
return tx.Commit()
}
func (repository VatMoveRepository) 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_move_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
}
func (repository VatMoveRepository) MarkHeaderChecked(headerID int64) error {
_, err := repository.db.Exec(`INSERT INTO public.checked_headers (header_id, vat_move_checked)
VALUES ($1, $2)
ON CONFLICT (header_id) DO
UPDATE SET vat_move_checked = $2`, headerID, true)
return err
}