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driver.go
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driver.go
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// Copyright (c) 2013-2014 The btcsuite developers
// Use of this source code is governed by an ISC
// license that can be found in the LICENSE file.
package memdb
import (
"fmt"
"github.com/btcsuite/btcd/database"
"github.com/btcsuite/btclog"
)
var log = btclog.Disabled
func init() {
driver := database.DriverDB{DbType: "memdb", CreateDB: CreateDB, OpenDB: OpenDB}
database.AddDBDriver(driver)
}
// parseArgs parses the arguments from the database package Open/Create methods.
func parseArgs(funcName string, args ...interface{}) error {
if len(args) != 0 {
return fmt.Errorf("memdb.%s does not accept any arguments",
funcName)
}
return nil
}
// OpenDB opens an existing database for use.
func OpenDB(args ...interface{}) (database.Db, error) {
if err := parseArgs("OpenDB", args...); err != nil {
return nil, err
}
// A memory database is not persistent, so let CreateDB handle it.
return CreateDB()
}
// CreateDB creates, initializes, and opens a database for use.
func CreateDB(args ...interface{}) (database.Db, error) {
if err := parseArgs("CreateDB", args...); err != nil {
return nil, err
}
log = database.GetLog()
return newMemDb(), nil
}