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syntax = "proto2";
package gossipsub.pb;
message RPC {
repeated SubOpts subscriptions = 1;
repeated Message publish = 2;
message SubOpts {
optional bool subscribe = 1; // subscribe or unsubscribe
optional string topic_id = 2;
}
optional ControlMessage control = 3;
}
message Message {
optional bytes from = 1;
optional bytes data = 2;
optional bytes seqno = 3;
required string topic = 4;
optional bytes signature = 5;
optional bytes key = 6;
}
message ControlMessage {
repeated ControlIHave ihave = 1;
repeated ControlIWant iwant = 2;
repeated ControlGraft graft = 3;
repeated ControlPrune prune = 4;
}
message ControlIHave {
optional string topic_id = 1;
repeated bytes message_ids = 2;
}
message ControlIWant {
repeated bytes message_ids= 1;
}
message ControlGraft {
optional string topic_id = 1;
}
message ControlPrune {
optional string topic_id = 1;
repeated PeerInfo peers = 2; // gossipsub v1.1 PX
optional uint64 backoff = 3; // gossipsub v1.1 backoff time (in seconds)
}
message PeerInfo {
optional bytes peer_id = 1;
optional bytes signed_peer_record = 2;
}
// topicID = hash(topicDescriptor); (not the topic.name)
message TopicDescriptor {
optional string name = 1;
optional AuthOpts auth = 2;
optional EncOpts enc = 3;
message AuthOpts {
optional AuthMode mode = 1;
repeated bytes keys = 2; // root keys to trust
enum AuthMode {
NONE = 0; // no authentication, anyone can publish
KEY = 1; // only messages signed by keys in the topic descriptor are accepted
WOT = 2; // web of trust, certificates can allow publisher set to grow
}
}
message EncOpts {
optional EncMode mode = 1;
repeated bytes key_hashes = 2; // the hashes of the shared keys used (salted)
enum EncMode {
NONE = 0; // no encryption, anyone can read
SHAREDKEY = 1; // messages are encrypted with shared key
WOT = 2; // web of trust, certificates can allow publisher set to grow
}
}
}
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