block

type Block struct {
	PosX int    `json:"x"`
	PosY int    `json:"y"`
	PosZ int    `json:"z"`
	Data []byte `json:"data"`
}

type BlockRepository interface {
	// GetByPost returns the map block at positions X,Y,Z.
	GetByPos(x, y, z int) (*Block, error)

	// Iterator returns a channel to fetch all data from the starting position
	// X,Y,Z (exclusive), with the map blocks sorted by position ascending.
	// Sorting is done by Z, Y, X to keep consistency with Sqlite map format.
	Iterator(x, y, z int) (chan *Block, types.Closer, error)

	// Update upserts the provided map block in the database, using the position
	// as key.
	Update(block *Block) error

	// Delete removes the map block from the database denoted by the x,y,z
	// coordinates.
	Delete(x, y, z int) error

	// Vacuum executes the storage layer vacuum command. Useful to reclaim
	// storage space if not done automatically by the backend.
	Vacuum() error

	// Count returns the total number of stored blocks in the map database.
	Count() (int64, error)

	// Close gracefully finishes the connection with the database backend.
	Close() error
}