Readonlyseq1-based part number; parts 1..seqLen are the plain fragments.
ReadonlyseqNumber of fragments the message was cut into.
ReadonlymessageLength of the whole message in bytes.
ReadonlychecksumCRC-32 of the whole message.
ReadonlydataOne fragment, or the XOR of several.
One part of a fountain-coded message; the CBOR array
[seqNum, seqLen, messageLen, checksum, data]on the wire.seqNum,seqLenandmessageLenare the reference'susizecounters (safe integers here,u32on the wire) andchecksumis au32.