sumdb

type Client struct {
	// contains filtered or unexported fields
}

type ClientOps interface {
	// ReadRemote reads and returns the content served at the given path
	// on the remote database server. The path begins with "/lookup" or "/tile/",
	// and there is no need to parse the path in any way.
	// It is the implementation's responsibility to turn that path into a full URL
	// and make the HTTP request. ReadRemote should return an error for
	// any non-200 HTTP response status.
	ReadRemote(path string) ([]byte, error)

	// ReadConfig reads and returns the content of the named configuration file.
	// There are only a fixed set of configuration files.
	//
	// "key" returns a file containing the verifier key for the server.
	//
	// serverName + "/latest" returns a file containing the latest known
	// signed tree from the server.
	// To signal that the client wishes to start with an "empty" signed tree,
	// ReadConfig can return a successful empty result (0 bytes of data).
	ReadConfig(file string) ([]byte, error)

	// WriteConfig updates the content of the named configuration file,
	// changing it from the old []byte to the new []byte.
	// If the old []byte does not match the stored configuration,
	// WriteConfig must return ErrWriteConflict.
	// Otherwise, WriteConfig should atomically replace old with new.
	// The "key" configuration file is never written using WriteConfig.
	WriteConfig(file string, old, new []byte) error

	// ReadCache reads and returns the content of the named cache file.
	// Any returned error will be treated as equivalent to the file not existing.
	// There can be arbitrarily many cache files, such as:
	//	serverName/lookup/pkg@version
	//	serverName/tile/8/1/x123/456
	ReadCache(file string) ([]byte, error)

	// WriteCache writes the named cache file.
	WriteCache(file string, data []byte)

	// Log prints the given log message (such as with log.Print)
	Log(msg string)

	// SecurityError prints the given security error log message.
	// The Client returns ErrSecurity from any operation that invokes SecurityError,
	// but the return value is mainly for testing. In a real program,
	// SecurityError should typically print the message and call log.Fatal or os.Exit.
	SecurityError(msg string)
}

type Server struct {
	// contains filtered or unexported fields
}

type ServerOps interface {
	// Signed returns the signed hash of the latest tree.
	Signed(ctx context.Context) ([]byte, error)

	// ReadRecords returns the content for the n records id through id+n-1.
	ReadRecords(ctx context.Context, id, n int64) ([][]byte, error)

	// Lookup looks up a record for the given module,
	// returning the record ID.
	Lookup(ctx context.Context, m module.Version) (int64, error)

	// ReadTileData reads the content of tile t.
	// It is only invoked for hash tiles (t.L ≥ 0).
	ReadTileData(ctx context.Context, t tlog.Tile) ([]byte, error)
}

type TestServer struct {
	// contains filtered or unexported fields
}