Method OpenDatabase

node/node.go:577–582

OpenDatabase opens an existing database with the given name (or creates one if no previous can be found) from within the node's instance directory. If the node is ephemeral, a memory database is returned.

(name string, cache, handles int)

// previous can be found) from within the node's instance directory. If the node is
// ephemeral, a memory database is returned.
func (n *Node) OpenDatabase(name string, cache, handles int) (database.Database, error) {
	if n.config.DataDir == "" {
		return database.NewMemDatabase(), nil
	}
	return database.NewLDBDatabase(n.config.resolvePath(name), cache, handles)
}

// ResolvePath returns the absolute path of a resource in the instance directory.
func (n *Node) ResolvePath(x string) string {