errors

var (
	ErrBlobNotFound      = errors.New("blob not found")
	ErrBlobExists        = errors.New("blob already exists on server")
	ErrInvalidHash       = errors.New("invalid hash")
	ErrInvalidSize       = errors.New("invalid size")
	ErrStreamCorrupted   = errors.New("stream corrupted")
	ErrAccessDenied      = errors.New("access denied")
	ErrInvalidManifest   = errors.New("invalid manifest")
	ErrHashMismatch      = errors.New("hash mismatch")
	ErrConnectionFailed  = errors.New("connection failed")
	ErrTimeout           = errors.New("operation timeout")
	ErrInvalidConfig     = errors.New("invalid configuration")
	ErrRequestTooLarge   = errors.New("request is too large")
	ErrInvalidData       = errors.New("Invalid data")
	ErrInvalidHashLen    = errors.New("Invalid blob hash length")
	ErrBlobProtected     = errors.New("requested blob is protected")
	ErrNoBlobData        = errors.New("no blob data received")
	ErrAlreadyConnected  = errors.New("already connected")
	ErrServerValidation  = errors.New("server validation error")
	ErrAcquisitionFailed = errors.New("failed to acquire blob from all transfer methods")
	ErrInvalidOffset     = errors.New("offset must be non-negative")
	ErrInvalidLimit      = errors.New("limit must be positive")
	ErrEndOfList         = errors.New("end of list reached")
)

var (
	ErrFailedToCheckBlobExistence = errors.New("failed to check blob existence")
	ErrFailedToCheckNeededBlobs   = errors.New("failed to check needed blobs")
)

var (
	ErrFailedToParsePeerAddress        = errors.New("failed to parse peer address")
	ErrFailedToStoreBlob               = errors.New("failed to store blob")
	ErrFailedToMarshalBlobResponse     = errors.New("failed to marshal blob response")
	ErrFailedToMarshalTransferResponse = errors.New("failed to marshal transfer response")
	ErrFailedToSetReadDeadline         = errors.New("failed to set read deadline")
	ErrFailedToReadBlobData            = errors.New("failed to read blob data")
	ErrFailedToDecodeJSON              = errors.New("failed to decode JSON")
	ErrFailedToMarshalJSON             = errors.New("failed to marshal JSON")
	ErrFailedToSetWriteDeadline        = errors.New("failed to set write deadline")
	ErrFailedToWriteData               = errors.New("failed to write data")
)

var (
	ErrBlobTooBig             = errors.New("blob must be at most 2097152 bytes")
	ErrBlobEmpty              = errors.New("blob is empty")
	ErrInvalidIV              = errors.New("IV length must equal to block size")
	ErrInvalidBlockLength     = errors.New("invalid block length")
	ErrInvalidDataLength      = errors.New("invalid data length")
	ErrInvalidPadding         = errors.New("invalid padding")
	ErrStreamTooShort         = errors.New("stream must be at least 2 blobs long")
	ErrInvalidSDBlob          = errors.New("sd blob is not valid")
	ErrMissingTerminatingBlob = errors.New("sd blob is missing the terminating 0-length blob")
	ErrBlobCountMismatch      = errors.New("number of blobs in stream does not match number of blobs in sd info")
	ErrUnexpectedEmptyBlob    = errors.New("got 0-length blob before end of stream")
	ErrBlobsOutOfOrder        = errors.New("blobs are out of order in sd blob")
)

var (
	ErrTransferStopped = errors.New("transfer is stopped")
)