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package database
import (
"database/sql"
)
func (db *DB) DeleteState(name string) error {
_, err := db.Exec(`DELETE FROM states WHERE name = ?;`, name)
return err
}
func (db *DB) GetState(name string) ([]byte, error) {
var encryptedData []byte
err := db.QueryRow(`SELECT data FROM states WHERE name = ?;`, name).Scan(&encryptedData)
if err != nil {
return nil, err
}
return db.dataEncryptionKey.DecryptAES256(encryptedData)
}
func (db *DB) SetState(name string, data []byte) error {
encryptedData, err := db.dataEncryptionKey.EncryptAES256(data)
if err != nil {
return err
}
_, err = db.Exec(
`INSERT INTO states(name, data) VALUES (:name, :data) ON CONFLICT DO UPDATE SET data = :data WHERE name = :name;`,
sql.Named("data", encryptedData),
sql.Named("name", name),
)
if err != nil {
return err
}
return nil
}
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