diff options
| -rw-r--r-- | papers/dat-paper.md | 16 |
1 files changed, 10 insertions, 6 deletions
diff --git a/papers/dat-paper.md b/papers/dat-paper.md index 941f7bf..abf7260 100644 --- a/papers/dat-paper.md +++ b/papers/dat-paper.md @@ -690,15 +690,15 @@ The `header` value is a single varint that has two pieces of information, the in To generate this varint, you bitshift the 4-bit type integer onto the end of the channel identifier, e.g. `channel << 4 | <4-bit-type>`. -### Register +### Feed -Type 0, should be the first message sent on a channel. +Type 0. Should be the first message sent on a channel. - `discoveryKey` - A BLAKE2b keyed hash of the string 'hypercore' using the public key of the metadata register as the key. - `nonce` - 32 bytes of random binary data, used in our encryption scheme ``` -message Register { +message Feed { required bytes discoveryKey = 1; optional bytes nonce = 2; } @@ -706,26 +706,30 @@ message Register { ### Handshake -Type 1. Overall connection handshake. Should be sent just after the register message on the first channel only (metadata). +Type 1. Overall connection handshake. Should be sent just after the feed message on the first channel only (metadata). - `id` - 32 byte random data used as a identifier for this peer on the network, useful for checking if you are connected to yourself or another peer more than once - `live` - Whether or not you want to operate in live (continuous) replication mode or end after the initial sync +- `userData` - User-specific metadata encoded as a byte sequence +- `extensions` - List of extensions that are supported on this Feed ``` message Handshake { optional bytes id = 1; optional bool live = 2; + optional bytes userData = 3; + repeated string extensions = 4; } ``` -### Status +### Info Type 2. Message indicating state changes. Used to indicate whether you are uploading and/or downloading. Initial state for uploading/downloading is true. If both ends are not downloading and not live it is safe to consider the stream ended. ``` -message Status { +message Info { optional bool uploading = 1; optional bool downloading = 2; } |