cryptonote_protocol: fix '--no-sync', ignore new blocks and txes

src/cryptonote_protocol/cryptonote_protocol_handler.inl

@@ -438,7 +438,7 @@ namespace cryptonote
     MLOGIF_P2P_MESSAGE(crypto::hash hash; cryptonote::block b; bool ret = cryptonote::parse_and_validate_block_from_blob(arg.b.block, b, &hash);, ret, "Received NOTIFY_NEW_BLOCK " << hash << " (height " << arg.current_blockchain_height << ", " << arg.b.txs.size() << " txes)");
     if(context.m_state != cryptonote_connection_context::state_normal)
       return 1;
-    if(!is_synchronized()) // can happen if a peer connection goes to normal but another thread still hasn't finished adding queued blocks
+    if(!is_synchronized() || m_no_sync) // can happen if a peer connection goes to normal but another thread still hasn't finished adding queued blocks
     {
       LOG_DEBUG_CC(context, "Received new block while syncing, ignored");
       return 1;
@@ -508,7 +508,7 @@ namespace cryptonote
     MLOGIF_P2P_MESSAGE(crypto::hash hash; cryptonote::block b; bool ret = cryptonote::parse_and_validate_block_from_blob(arg.b.block, b, &hash);, ret, "Received NOTIFY_NEW_FLUFFY_BLOCK " << hash << " (height " << arg.current_blockchain_height << ", " << arg.b.txs.size() << " txes)");
     if(context.m_state != cryptonote_connection_context::state_normal)
       return 1;
-    if(!is_synchronized()) // can happen if a peer connection goes to normal but another thread still hasn't finished adding queued blocks
+    if(!is_synchronized() || m_no_sync) // can happen if a peer connection goes to normal but another thread still hasn't finished adding queued blocks
     {
       LOG_DEBUG_CC(context, "Received new block while syncing, ignored");
       return 1;
@@ -899,7 +899,7 @@ namespace cryptonote
     // while syncing, core will lock for a long time, so we ignore
     // those txes as they aren't really needed anyway, and avoid a
     // long block before replying
-    if(!is_synchronized())
+    if(!is_synchronized() || m_no_sync)
     {
       LOG_DEBUG_CC(context, "Received new tx while syncing, ignored");
       return 1;