# Transmat message format
## ver. 0.1

### Message
* msgtype (announce, data, confirmation)
* per_group_id
* role (send, receive)
* payload (encrypted payload containing file chunks and service metadata)
* *TODO - Add protocol version number*

### Payload
* filename (current filename without path)
* chunk_size (size of each chunk)
* chunk_id (number of current chunk)
* numbr of chunks (total number of chunks in file)
* chunk (current data)
* *TODO - Add a hash of the chunk data to use in confirmation messages*