v0

type ChannelState struct {
	// an identifier for this channel shared by request and responder, set by requester through protocol
	TransferID datatransfer.TransferID
	// Initiator is the person who intiated this datatransfer request
	Initiator peer.ID
	// Responder is the person who is responding to this datatransfer request
	Responder peer.ID
	// base CID for the piece being transferred
	BaseCid cid.Cid
	// portion of Piece to return, specified by an IPLD selector
	Selector *cbg.Deferred
	// the party that is sending the data (not who initiated the request)
	Sender peer.ID
	// the party that is receiving the data (not who initiated the request)
	Recipient peer.ID
	// expected amount of data to be transferred
	TotalSize uint64
	// current status of this deal
	Status datatransfer.Status
	// total bytes sent from this node (0 if receiver)
	Sent uint64
	// total bytes received by this node (0 if sender)
	Received uint64
	// more informative status on a channel
	Message        string
	Vouchers       []EncodedVoucher
	VoucherResults []EncodedVoucherResult
}

type EncodedVoucher struct {
	// Vouchers identifier for decoding
	Type datatransfer.TypeIdentifier
	// used to verify this channel
	Voucher *cbg.Deferred
}

type EncodedVoucherResult struct {
	// Vouchers identifier for decoding
	Type datatransfer.TypeIdentifier
	// used to verify this channel
	VoucherResult *cbg.Deferred
}