ipld-eth-state-snapshot/pkg/snapshot/in_place_snapshot.go
prathamesh0 b241bf05eb
Add command to take an in-place snapshot (#42)
* Add command to take an in-place snapshot

* Add test data for in place snapshot unit test

* Implement unit test for inplace snapshot

* Add check for storage IPLD

* Run unit tests sequentially

* Add github workflow for unit test

* Add missing checks for state and storage cid fields

* Add more storage nodes to test

* Update ipld-eth-db version for tests

* Add comments for inplace snapshot test data

* Add in-place snapshot cmd in readme

* Implement defer pattern for db transaction

* Log transaction commit or rollback error

Co-authored-by: nabarun <nabarun@deepstacksoft.com>
2022-06-15 12:51:26 +05:30

62 lines
1.6 KiB
Go

// Copyright © 2022 Vulcanize, Inc
//
// This program is free software: you can redistribute it and/or modify
// it under the terms of the GNU Affero General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Affero General Public License for more details.
//
// You should have received a copy of the GNU Affero General Public License
// along with this program. If not, see <http://www.gnu.org/licenses/>.
package snapshot
import (
"github.com/jmoiron/sqlx"
"github.com/sirupsen/logrus"
. "github.com/vulcanize/ipld-eth-state-snapshot/pkg/types"
)
const (
stateSnapShotPgStr = "SELECT state_snapshot($1, $2)"
storageSnapShotPgStr = "SELECT storage_snapshot($1, $2)"
)
type InPlaceSnapshotParams struct {
StartHeight uint64
EndHeight uint64
}
func CreateInPlaceSnapshot(config *Config, params InPlaceSnapshotParams) error {
db, err := sqlx.Connect("postgres", config.DB.ConnConfig.DbConnectionString())
if err != nil {
return err
}
tx, err := db.Begin()
if err != nil {
return err
}
defer func() {
err = CommitOrRollback(tx, err)
if err != nil {
logrus.Errorf("CommitOrRollback failed: %s", err)
}
}()
if _, err = tx.Exec(stateSnapShotPgStr, params.StartHeight, params.EndHeight); err != nil {
return err
}
if _, err = tx.Exec(storageSnapShotPgStr, params.StartHeight, params.EndHeight); err != nil {
return err
}
return nil
}