rust-libp2p/protocols/floodsub/src/rpc.proto

syntax = "proto2";

package floodsub.pb;

message RPC {
	repeated SubOpts subscriptions = 1;
	repeated Message publish = 2;

	message SubOpts {
		optional bool subscribe = 1; // subscribe or unsubcribe
		optional string topic_id = 2;
	}
}

message Message {
	optional bytes from = 1;
	optional bytes data = 2;
	optional bytes seqno = 3;
	repeated string topic_ids = 4;
}