fix(gossipsub): tweak configs to reduce duplicated msgs

Author: storopoli

crates/p2p/src/swarm/behavior.rs

@@ -1,6 +1,6 @@
 //! Request-Response [`Behaviour`] and [`NetworkBehaviour`] for the P2P protocol.
 
-use std::collections::HashSet;
+use std::{collections::HashSet, time::Duration};
 
 use blake3::hash;
 use libp2p::{
@@ -69,19 +69,15 @@ impl Behaviour {
                     .validate_messages()
                     .max_transmit_size(MAX_TRANSMIT_SIZE)
                     // Avoids spamming the network and nodes with messages
-                    .idontwant_on_publish(true)
-                    // We want a unique message id for each message, so we use the hash of the
-                    // message data instead of the default one, that is the concatenation of the
-                    // PeerId and the sequence number of the message.
-                    //
-                    // NOTE(@storopoli): I don't trust the default one, since we are not using the
-                    //                   LibP2P's Message template, hence the sequence number might
-                    //                   not exist, and in that case it is always be set to 0 by
-                    //                   default.
-                    .message_id_fn(|msg| {
-                        let hash = hash(msg.data.as_ref());
-                        MessageId::new(hash.as_bytes())
-                    })
+                    .duplicate_cache_time(Duration::from_secs(60 * 5)) // default is 1 min
+                    .published_message_ids_cache_time(Duration::from_secs(60)) // default is 10
+                    .max_ihave_messages(100) // default is 10
+                    .gossip_retransimission(1) // default is 3
+                    .iwant_followup_time(Duration::from_secs(2)) // default is 3
+                    .gossip_lazy(2) // default is 6
+                    .gossip_factor(0.1) // default is 0.25
+                    .history_gossip(1) // default is 3
+                    .history_length(3) // default is 5
                     .build()
                     .expect("gossipsub config at this stage must be valid"),
                 None,