110 lines
2.9 KiB
Go
110 lines
2.9 KiB
Go
package appdatabase
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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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"github.com/status-im/status-go/appdatabase/migrations"
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migrationsprevnodecfg "github.com/status-im/status-go/appdatabase/migrationsprevnodecfg"
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"github.com/status-im/status-go/nodecfg"
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"github.com/status-im/status-go/sqlite"
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)
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const nodeCfgMigrationDate = 1640111208
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// InitializeDB creates db file at a given path and applies migrations.
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func InitializeDB(path, password string) (*sql.DB, error) {
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db, err := sqlite.OpenDB(path, password)
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if err != nil {
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return nil, err
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}
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// Check if the migration table exists
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row := db.QueryRow("SELECT exists(SELECT name FROM sqlite_master WHERE type='table' AND name='status_go_schema_migrations')")
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migrationTableExists := false
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err = row.Scan(&migrationTableExists)
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if err != nil && err != sql.ErrNoRows {
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return nil, err
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}
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var lastMigration uint64 = 0
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if migrationTableExists {
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row = db.QueryRow("SELECT version FROM status_go_schema_migrations")
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err = row.Scan(&lastMigration)
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if err != nil && err != sql.ErrNoRows {
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return nil, err
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}
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}
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if !migrationTableExists || (lastMigration > 0 && lastMigration < nodeCfgMigrationDate) {
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// If it's the first time migration's being run, or latest migration happened before migrating the nodecfg table
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err = migrationsprevnodecfg.Migrate(db)
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if err != nil {
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return nil, err
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}
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// NodeConfig migration cannot be done with SQL
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err = nodecfg.MigrateNodeConfig(db)
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if err != nil {
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return nil, err
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}
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}
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err = migrations.Migrate(db)
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if err != nil {
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return nil, err
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}
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return db, nil
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}
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// DecryptDatabase creates an unencrypted copy of the database and copies it
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// over to the given directory
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func DecryptDatabase(oldPath, newPath, password string) error {
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return sqlite.DecryptDB(oldPath, newPath, password)
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}
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// EncryptDatabase creates an encrypted copy of the database and copies it to the
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// user path
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func EncryptDatabase(oldPath, newPath, password string) error {
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return sqlite.EncryptDB(oldPath, newPath, password)
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}
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func ChangeDatabasePassword(path, password, newPassword string) error {
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return sqlite.ChangeEncryptionKey(path, password, newPassword)
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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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