anchor.diff:  
       {ok, 200, OpenQueriesInfo} =
           request(node1, 'GetOracleQueriesByPubkey', #{ pubkey => EncOPubKey, type => <<"open">> }),
  -    ?assertMatch(#{ <<"oracle_queries">> := [] }, OpenQueriesInfo),
  +    ?assertMatch(#{ oracle_queries := [] }, OpenQueriesInfo),
       {ok, 200, QueryInfo2} =
           request(node1, 'GetOracleQueryByPubkeyAndQueryId', #{ pubkey => EncOPubKey, 'query-id' => EncQueryId }),
       ?assertMatch(#{ id := EncQueryId, oracle_id := EncOPubKey, sender_id := EncQPubKey }, QueryInfo2),
  
positive.code:     ?assertMatch(#{ id := EncOPubKey }, OracleInfo),
      {ok, 200, OpenQueriesInfo} =
          request(node1, 'GetOracleQueriesByPubkey', #{ pubkey => EncOPubKey, type => <<"open">> }),
      ?assertMatch(#{ <<"oracle_queries">> := [] }, OpenQueriesInfo),
      {ok, 200, QueryInfo} =
          request(node1, 'GetOracleQueryByPubkeyAndQueryId', #{ pubkey => EncOPubKey, 'query-id' => EncQueryId }),
      ?assertMatch(#{ id := EncQueryId, oracle_id := EncOPubKey, sender_id := EncQPubKey }, QueryInfo),
  
negative.code: 
      {ok, 200, ClosedQueriesInfo} =
          request(node1, 'GetOracleQueriesByPubkey', #{ pubkey => EncOPubKey, type => closed }),
      ?assertMatch(#{ oracle_queries := [] }, ClosedQueriesInfo),
      {ok, 200, AllQueriesInfo} =
          request(node1, 'GetOracleQueriesByPubkey', #{ pubkey => EncOPubKey, type => all }),
      ?assertMatch(#{ oracle_queries := [_] }, AllQueriesInfo),
      [QueryInfo] = maps:get(oracle_queries, AllQueriesInfo),
      ?assertMatch(#{ id := EncQueryId, oracle_id := EncOPubKey, sender_id := EncQPubKey }, QueryInfo),
      ?assertEqual({oracle_query, <<"Hidely-Ho">>}, aec_base58c:decode(maps:get(query, QueryInfo))),
      ?assertEqual({oracle_response, <<>>}, aec_base58c:decode(maps:get(response, QueryInfo))),
  