diff --git a/x05-rq/ebin/rq.app b/x05-rq/ebin/rq.app
index 64f4c07..74b0787 100644
--- a/x05-rq/ebin/rq.app
+++ b/x05-rq/ebin/rq.app
@@ -1,4 +1,4 @@
-{application,dindu,
+{application,rq,
              [{description,[]},
               {registered,[]},
               {included_applications,[]},
diff --git a/x05-rq/src/rq.erl b/x05-rq/src/rq.erl
index ef49a79..16ab482 100644
--- a/x05-rq/src/rq.erl
+++ b/x05-rq/src/rq.erl
@@ -5,53 +5,129 @@
 -copyright("Peter Harpending").
 
 -export([start/1]).
-
+-compile([export_all,nowarn_export_all]).
 
 -spec start(ArgV) -> ok
     when ArgV :: [string()].
 
 start(ArgV) ->
     ok = hz(),
-    du(ArgV).
+    rq(ArgV).
 
 
-du(["-s" | Rest])      -> rq(Rest);
-du(["--shell" | Rest]) -> rq(Rest);
-du(Rest)               -> rq(Rest), zx:silent_stop().
-
-
-rq(["nuffin"]) ->
-    ok = io:format("hz status: ~tp~n", [hz:status()]),
-    ok = io:format("rbx_tuples: ~tp~n", [rbx_tuples()]),
-    ok = io:format("my akstr:~n~ts~n~n", [my_akstr()]),
-    ok = io:format("names ct aaci:~n~tp~n~n", [nct_aaci()]),
-    ok = io:format("rubicon ct aaci:~n~tp~n~n", [rct_aaci()]),
-    ok;
-rq(["src", "names.aes"]) ->
-    {ok, Bytes} = file:read_file(nct_filepath()),
-    io:format("~s", [Bytes]);
-rq(["src", "rubicon.aes"]) ->
-    {ok, Bytes} = file:read_file(rct_filepath()),
-    io:format("~s", [Bytes]);
-
-rq(["-h" | _])     -> rq_help();
-rq(["--help" | _]) -> rq_help();
-rq(["help" | _])   -> rq_help();
-rq(BadArgs) ->
-    io:format("arguments are a failure: ~tp~n", [BadArgs]),
-    rq_help().
-
-rq_help() ->
-    io:format("~ts~n", [help_screen()]).
-
 help_screen() ->
     """
     rq = Decentralized Identity Namespace Disambiguation Utility
     version 0.0.0 + 0.0.1i
 
-    USAGE: rq [ARGS]
+    USAGE:
+        rq [-s | --shell] [ARGS]
+            equivalent to `rq ARGS`, but starts erlang shell with
+            rq&deps in context; with no args, simply starts erlang
+            shell.
+        rq [-h | --help]
+            show this menu
+        rq debug
+            show variables
+        rq src names.aes        print contract source
+        rq src rubicon.aes      print contract source
     """.
 
+
+rq([])                 -> rq_shell([]);
+rq(["-s" | Rest])      -> rq_shell(Rest);
+rq(["--shell" | Rest]) -> rq_shell(Rest);
+rq(Rest)               -> rq_noshell(Rest).
+
+rq_shell(Args) ->
+    ok = shell:start_interactive(),
+    case Args of
+        []   -> ok;
+        More -> rq_II(More)
+    end.
+
+rq_noshell(Args) ->
+    rq_II(Args),
+    zx:silent_stop().
+
+%% @private
+%% dispatch function
+rq_II(["debug" | Args])  -> rq_debug(Args);
+rq_II(["src" | Args])    -> rq_src(Args);
+rq_II(["-h" | Args])     -> rq_help(Args);
+rq_II(["--help" | Args]) -> rq_help(Args);
+rq_II(BadArgs)           -> badargs(BadArgs).
+
+
+rq_src(["names.aes"]) ->
+    {ok, Bytes} = file:read_file(nct_filepath()),
+    io:format("~s", [Bytes]);
+rq_src(["rubicon.aes"]) ->
+    {ok, Bytes} = file:read_file(nct_filepath()),
+    io:format("~s", [Bytes]);
+rq_src(FailArgs) ->
+    badargs(FailArgs).
+
+
+badargs(FailArgs) ->
+    io:format("you are a failure: ~p~n", [FailArgs]),
+    rq_help([]),
+    error(badargs).
+
+
+rq_help(_) ->
+    io:format("~ts~n", [help_screen()]).
+
+
+rq_debug(_) ->
+    ok = dbg_hz(),
+    ok = dbg_my(),
+    ok = dbg_nct(),
+    ok = dbg_rct(),
+    ok.
+
+dbg_hz() ->
+    io:format("hz status: ~tp~n", [hz:status()]).
+
+dbg_my() ->
+    Format =
+        """
+        MY:
+            akstr      ~ts~n
+        """,
+    Args = [my_akstr()],
+    io:format(Format, Args).
+
+dbg_nct() ->
+    Format =
+        """
+        NAMES CT:
+            filepath   ~tp
+            ctstr      ~ts
+            aaci       ~tp~n
+        """,
+    Args =
+        [ nct_filepath()
+        , nct_ctstr()
+        , nct_aaci()
+        ],
+    io:format(Format, Args).
+
+
+dbg_rct() ->
+    Format =
+        """
+        RUBICON CT:
+            filepath   ~tp
+            aaci       ~tp~n
+        """,
+    Args =
+        [ rct_filepath()
+        , rct_aaci()
+        ],
+    io:format(Format, Args).
+
+
 %du_register(
 
 %% name contract deployed address
@@ -59,18 +135,21 @@ nct_ctstr() ->
     "ct_2CDom5hKimtKSsTykhBYBKMgGv7youakZPVgk5h9qgNL3P65oV".
 
 nct_aaci() ->
-    hz:prepare_contract(nct_filepath()).
+    case hz:prepare_contract(nct_filepath()) of
+        {ok, AACI} -> AACI;
+        {error, E} -> error(E)
+    end.
 
 nct_filepath() ->
     ct_dir() ++ "/names.aes".
 
 
 %% rubicon contract deployed address
-rct_ctstr() ->
-    "".
-
 rct_aaci() ->
-    hz:prepare_contract(rct_filepath()).
+    case hz:prepare_contract(rct_filepath()) of
+        {ok, AACI} -> AACI;
+        {error, E} -> error(E)
+    end.
 
 rct_filepath() ->
     ct_dir() ++ "/rubicon.aes".
@@ -99,7 +178,6 @@ my_seed() ->
     crypto:hash(sha3_512, <<"p@ssw0rd">>).
 
 
-
 %% hz setup
 hz() ->
     ok = application:ensure_started(hakuzaru),
@@ -111,41 +189,43 @@ hz_nodes() ->
     ].
 
 
-rbx_tuples() ->
-    NoiseStr = "Noise_NK_25519_ChaChaPoly_BLAKE2b",
-    ServicePubkey = <<116, 159, 91, 248, 138, 250, 73, 40, 231, 50,
-                      81, 110, 137, 163, 44, 76, 48, 130, 225, 95,
-                      168, 121, 93, 44, 148, 42, 180, 103, 11, 40,
-                      168, 96>>,
-    NoisePrologue = <<>>,
-    [{"127.0.0.1", 6969, "tcp", NoiseStr, ServicePubkey, NoisePrologue}].
 
-%% deploying
-deploy_rct_with(RbxTuples) ->
-    case hz:contract_create(my_akstr(), rct_filepath(), [RbxTuples]) of
-        {ok, CreateTx} ->
-            deploy_rct_II(CreateTx);
-        Error ->
-            io:format("you are a failure: ~tp~n", [Error]),
-            error(Error)
-    end.
-
-deploy_rct_II(UnsignedCreateTx) ->
-    SecretKey = my_secret_key(),
-    case hz:sign_tx(UnsignedCreateTx, SecretKey) of
-        {ok, SignedTx} ->
-            deploy_rct_III(SignedTx);
-        Error ->
-            io:format("you are a failure II: ~tp~n", [Error]),
-            error(Error)
-    end.
+%%% deploying
+%deploy_rct_with(RbxTuples) ->
+%    case hz:contract_create(my_akstr(), rct_filepath(), [RbxTuples]) of
+%        {ok, CreateTx} ->
+%            deploy_rct_II(CreateTx);
+%        Error ->
+%            io:format("you are a failure: ~tp~n", [Error]),
+%            error(Error)
+%    end.
+%
+%deploy_rct_II(UnsignedCreateTx) ->
+%    SecretKey = my_secret_key(),
+%    case hz:sign_tx(UnsignedCreateTx, SecretKey) of
+%        {ok, SignedTx} ->
+%            deploy_rct_III(SignedTx);
+%        Error ->
+%            io:format("you are a failure II: ~tp~n", [Error]),
+%            error(Error)
+%    end.
+%
+%
+%deploy_rct_III(SignedCreateTx) ->
+%    case hz:post_tx(SignedCreateTx) of
+%        {ok, Result_III} ->
+%            io:format("Result the third: ~tp~n", [Result_III]);
+%        Error ->
+%            io:format("you are a failure III: ~tp~n", [Error]),
+%            error(Error)
+%    end.
+%my_rbx_tuples() ->
+%    NoiseStr = "Noise_NK_25519_ChaChaPoly_BLAKE2b",
+%    ServicePubkey = <<116, 159, 91, 248, 138, 250, 73, 40, 231, 50,
+%                      81, 110, 137, 163, 44, 76, 48, 130, 225, 95,
+%                      168, 121, 93, 44, 148, 42, 180, 103, 11, 40,
+%                      168, 96>>,
+%    NoisePrologue = <<>>,
+%    [{"127.0.0.1", 6969, "tcp", NoiseStr, ServicePubkey, NoisePrologue}].
 
 
-deploy_rct_III(SignedCreateTx) ->
-    case hz:post_tx(SignedCreateTx) of
-        {ok, Result_III} ->
-            io:format("Result the third: ~tp~n", [Result_III]);
-        Error ->
-            io:format("you are a failure III: ~tp~n", [Error]),
-            error(Error)
-    end.