From 19180098fe2fb147f00f6bb038a6db65f9e684d0 Mon Sep 17 00:00:00 2001
From: Kevin Heifner <heifnerk@objectcomputing.com>
Date: Wed, 10 Apr 2024 12:03:32 -0500
Subject: [PATCH] Send handshake to peer to let it know it is not syncing from
 us.

---
 plugins/net_plugin/net_plugin.cpp | 6 ++++--
 1 file changed, 4 insertions(+), 2 deletions(-)

diff --git a/plugins/net_plugin/net_plugin.cpp b/plugins/net_plugin/net_plugin.cpp
index 9d4c0f5b16..4f04dae7ca 100644
--- a/plugins/net_plugin/net_plugin.cpp
+++ b/plugins/net_plugin/net_plugin.cpp
@@ -2203,7 +2203,7 @@ namespace eosio {
    // static, thread safe
    void sync_manager::send_handshakes() {
       my_impl->connections.for_each_connection( []( const connection_ptr& ci ) {
-         if( ci->current() ) {
+         if( ci->connected() ) {
             ci->send_handshake();
          }
       } );
@@ -2229,6 +2229,7 @@ namespace eosio {
       if( !is_sync_required( chain_info.head_num ) || target <= chain_info.lib_num ) {
          peer_dlog( c, "We are already caught up, my irr = ${b}, head = ${h}, target = ${t}",
                   ("b", chain_info.lib_num)( "h", chain_info.head_num )( "t", target ) );
+         c->send_handshake(); // let peer know it is not syncing from us
          return;
       }
 
@@ -2318,8 +2319,8 @@ namespace eosio {
                note.known_blocks.ids.push_back(make_block_id(cc.earliest_available_block_num()));
             }
             c->enqueue( note );
+            c->peer_syncing_from_us = true;
          }
-         c->peer_syncing_from_us = true;
          return;
       }
 
@@ -2361,6 +2362,7 @@ namespace eosio {
          }
          return;
       } else {
+         c->peer_syncing_from_us = false;
          peer_dlog( c, "Block discrepancy is within network latency range.");
       }
    }