Remove proofchain from all messages and send only when necessary

Cargo.toml

@@ -23,7 +23,7 @@ qp2p = "~0.11.9"
 rand = "~0.7.3"
 rand_chacha = "~0.2.2"
 resource_proof = "0.8.0"
-sn_messaging = "27.0.0"
+sn_messaging = "28.0.0"
 sn_data_types = "~0.18.3"
 thiserror = "1.0.23"
 tokio = "1.3.0"

src/agreement/dkg.rs

@@ -516,7 +516,7 @@ impl DkgCommand {
             } => {
                 let variant = Variant::DkgMessage { dkg_key, message };
                 let message =
-                    RoutingMsg::single_src(node, DstLocation::DirectAndUnrouted, variant, None)?;
+                    RoutingMsg::single_src(node, DstLocation::DirectAndUnrouted, variant, key)?;
 
                 Ok(Command::send_message_to_nodes(
                     recipients.clone(),
@@ -550,7 +550,7 @@ impl DkgCommand {
                     non_participants,
                 };
                 let message =
-                    RoutingMsg::single_src(node, DstLocation::DirectAndUnrouted, variant, None)?;
+                    RoutingMsg::single_src(node, DstLocation::DirectAndUnrouted, variant, key)?;
 
                 Ok(Command::send_message_to_nodes(
                     recipients.clone(),

src/event.rs

@@ -11,7 +11,6 @@ use bytes::Bytes;
 use ed25519_dalek::Keypair;
 use hex_fmt::HexFmt;
 pub use qp2p::{RecvStream, SendStream};
-use secured_linked_list::SecuredLinkedList;
 use sn_messaging::{client::ClientMsg, DstLocation, EndUser, SrcLocation};
 use std::{
     collections::BTreeSet,
@@ -67,8 +66,8 @@ pub enum Event {
         dst: DstLocation,
         /// The proof if the message was set to be aggregated at source.
         proof: Option<Proof>,
-        /// The proof chain for the message, if any.
-        proof_chain: Option<SecuredLinkedList>,
+        /// The Sender's Section PK.
+        section_pk: bls::PublicKey,
     },
     /// A new peer joined our section.
     MemberJoined {

src/lib.rs

@@ -108,7 +108,7 @@ pub const RECOMMENDED_SECTION_SIZE: usize = 2 * ELDER_SIZE;
 /// Number of elders per section.
 pub const ELDER_SIZE: usize = 7;
 
-/// Supermajority of a given group (i.e. > 2/3)
+/// SuperMajority of a given group (i.e. > 2/3)
 #[inline]
 pub(crate) const fn supermajority(group_size: usize) -> usize {
     1 + group_size * 2 / 3