54 lines
1.2 KiB
Go
54 lines
1.2 KiB
Go
package dbsetup
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import (
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"database/sql"
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"errors"
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"github.com/ethereum/go-ethereum/log"
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)
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const InMemoryPath = ":memory:"
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// The reduced number of kdf iterations (for performance reasons) which is
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// currently used for derivation of the database key
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// https://github.com/status-im/status-go/pull/1343
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// https://notes.status.im/i8Y_l7ccTiOYq09HVgoFwA
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const ReducedKDFIterationsNumber = 3200
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type DatabaseInitializer interface {
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Initialize(path, password string, kdfIterationsNumber int) (*sql.DB, error)
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}
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// GetDBFilename takes an instance of sql.DB and returns the filename of the "main" database
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func GetDBFilename(db *sql.DB) (string, error) {
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if db == nil {
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logger := log.New()
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logger.Warn("GetDBFilename was passed a nil pointer sql.DB")
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return "", nil
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}
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var i, category, filename string
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rows, err := db.Query("PRAGMA database_list;")
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if err != nil {
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return "", err
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}
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defer rows.Close()
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for rows.Next() {
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err = rows.Scan(&i, &category, &filename)
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if err != nil {
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return "", err
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}
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// The "main" database is the one we care about
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if category == "main" {
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return filename, nil
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}
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}
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if err := rows.Err(); err != nil {
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return "", err
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}
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return "", errors.New("no main database found")
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}
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