anchor.diff:          {ok, RemotePingObj, RemotePeers} ->
               case compare_ping_objects(Uri, LocalPingObj, RemotePingObj) of
                   ok ->
  -                    %% log_ping adds peer as side-effect 
  +                    %% log_ping adds peer as side-effect
                       %% (in case aec_peers has restarted inbetween)
                       %% If it has been user removed before it was scheduled
                       %% it is also added again.
  
positive.code:     Blocks =
          lists:foldl(
            fun(Hash, Acc) ->
                    fetch_block(Hash, Uri, Acc)
            end, [], Hashes),
      try_write_blocks(Blocks).
  
  
negative.code: %%%=============================================================================
  %%% @copyright 2017, Aeternity Anstalt
  %%% @doc
  %%%    Module storing peers list and providing funtions for peer interaction
  %%% @end
  %%%=============================================================================
  -module(aec_sync).
  