sync

var (
	ErrInvalidChainSyncMessageData     = errors.New("invalid ChainSync message data")
	ErrInvalidChainGetChunkMessageData = errors.New("invalid ChainGetChunk message data")
)

var (
	ErrInvalidChainChunksMessageData    = errors.New("invalid ChainChunks message data")
	ErrWrongChainChunksMessageData      = errors.New("wrong ChainChunks message data")
	ErrInvalidChainChunkDataMessageData = errors.New("invalid ChainChunkData message data")
	ErrWrongChainChunkDataMessageData   = errors.New("wrong ChainChunkData message data")
	ErrInvalidChunkHeaderSourcePeer     = errors.New("invalid chunk headers source peer")
)

var (
	ErrTooSmallGapToSync        = errors.New("the gap between syncpoint and current tail is smaller than a dynasty interval, ignore the sync task")
	ErrCannotFindBlockByHeight  = errors.New("cannot find the block at given height")
	ErrCannotFindBlockByHash    = errors.New("cannot find the block with the given hash")
	ErrWrongChunkHeaderRootHash = errors.New("wrong chunk header root hash")
	ErrWrongChunkDataRootHash   = errors.New("wrong chunk data root hash")
	ErrWrongChunkDataSize       = errors.New("wrong chunk data size")
	ErrInvalidBlockHashInChunk  = errors.New("invalid block hash in chunk data")
	ErrWrongBlockHashInChunk    = errors.New("wrong block hash in chunk data compared with chunk header")
)