src/gd_gui.erl

@@ -38,7 +38,7 @@
          accounts = []           :: [gajudesk:poa()],
          picker   = none         :: none | wx:wx_object(),
          id       = {#w{}, #w{}} :: labeled(),
-         balance  = {#w{}, #w{}} :: labeled(),
+         balance  = #w{}         :: #w{},
          buttons  = []           :: [widget()],
          history  = #h{}         :: #h{}}).
 
@@ -117,13 +117,9 @@ init(Prefs) ->
     _ = wxSizer:add(ID_Sz, ID_L, zxw:flags(base)),
     _ = wxSizer:add(ID_Sz, ID_T, zxw:flags(wide)),
 
-    BalanceL = wxStaticText:new(Panel, ?wxID_ANY, "木"),
-    BalanceT = wxStaticText:new(Panel, ?wxID_ANY, price_to_string(0)),
-    Balance =
-        {#w{id = wxStaticText:getId(BalanceL), wx = BalanceL},
-         #w{id = wxStaticText:getId(BalanceT), wx = BalanceT}},
+    BalanceT = wxStaticText:new(Panel, ?wxID_ANY, hz_format:amount(0)),
+    Balance = #w{id = wxStaticText:getId(BalanceT), wx = BalanceT},
     BalanceSz = wxBoxSizer:new(?wxHORIZONTAL),
-    _ = wxSizer:add(BalanceSz, BalanceL, zxw:flags(base)),
     _ = wxSizer:add(BalanceSz, BalanceT, zxw:flags(wide)),
 
     NumbersSz = wxBoxSizer:new(?wxVERTICAL),
@@ -729,22 +725,16 @@ spend(Selected, State = #s{accounts = Accounts}) ->
     end.
 
 spend2(#poa{id = ID, name = Name}, Nonce, Height, State = #s{frame = Frame, j = J}) ->
-    Title   = J("Transfer Gajus"),
     Account = [Name, " (", ID, ")"],
-    Args    = {Account, Nonce, Height},
-    Labels  = {J("From"), J("To"), J("Amount"), J("Message (optional)"), J("TTL"), J("Gas Price")},
+    Args    = {Account, J},
     ok =
-        case gd_m_spend:show(Frame, Title, Args, Labels) of
-            {ok, RecipientID, Amount, GasPrice, TTL, Payload} ->
+        case gd_m_spend:show(Frame, Args) of
+            {ok, Partial = #spend_tx{ttl = TTL}} ->
                 TX =
-                    #spend_tx{sender_id    = ID,
-                              recipient_id = RecipientID,
-                              amount       = Amount,
-                              gas_price    = GasPrice,
+                    Partial#spend_tx{sender_id = ID,
                                      gas       = 20000,
                                      ttl       = Height + TTL,
-                              nonce        = Nonce,
-                              payload      = Payload},
+                                     nonce     = Nonce},
                 gd_con:spend(TX);
             cancel ->
                 ok
@@ -770,13 +760,13 @@ handle_button(Name, State) ->
 
 do_selection(Selected,
              State = #s{prefs = Prefs, accounts = Accounts,
-                        balance = {_, #w{wx = B}}, id = {_, #w{wx = I}}})
+                        balance = #w{wx = B}, id = {_, #w{wx = I}}})
         when Selected < length(Accounts) ->
     OneBasedIndex = Selected + 1,
     #poa{id = ID, balances = Balances} = lists:nth(OneBasedIndex, Accounts),
     [#balance{total = Pucks}] = Balances,
     ok = wxStaticText:setLabel(I, ID),
-    ok = wxStaticText:setLabel(B, price_to_string(Pucks)),
+    ok = wxStaticText:setLabel(B, hz_format:amount(Pucks)),
     ok = gd_con:selected(OneBasedIndex),
     NewPrefs = maps:put(selected, Selected, Prefs),
     State#s{prefs = NewPrefs};
@@ -803,7 +793,7 @@ do_show(Accounts, State = #s{sizer = Sizer, prefs = Prefs, picker = Picker}) ->
     ok = wxSizer:layout(Sizer),
     NewState.
 
-clear_account(State = #s{balance = {_, #w{wx = B}}, id = {_, #w{wx = I}}}) ->
+clear_account(State = #s{balance = #w{wx = B}, id = {_, #w{wx = I}}}) ->
     ok = wxStaticText:setLabel(I, ""),
     ok = wxStaticText:setLabel(B, ""),
     State.

src/gd_m_spend.erl

@@ -4,7 +4,7 @@
 %%% Interprets [ENTER] as an "OK" button click and [ESC] as a "Cancel" button click.
 %%% @end
 
--module(gd_m_wallet_importer).
+-module(gd_m_spend).
 -vsn("0.8.0").
 -author("Craig Everett <zxq9@zxq9.com>").
 -copyright("Craig Everett <zxq9@zxq9.com>").
@@ -12,7 +12,7 @@
 
 -behavior(zxw_modal).
 
--export([show/6]).
+-export([show/2]).
 -export([init/1, handle_info/2, handle_event/2]).
 
 -include_lib("wx/include/wx.hrl").
@@ -23,145 +23,139 @@
         {frame      = none :: none | wx:wx_object(),
          parent     = none :: none | wx:wx_object(),
          caller     = none :: none | pid(),
+         j          = j()  :: fun(),
          to_tx      = none :: none | wx:wx_object(),
          amount_tx  = none :: none | wx:wx_object(),
          payload_tx = none :: none | wx:wx_object(),
          ttl_sl     = none :: none | wx:wx_object(),
          gas_sl     = none :: none | wx:wx_object(),
-         ok         = none :: none | wx:wx_object(),
+         affirm     = none :: none | wx:wx_object(),
          cancel     = none :: none | wx:wx_object()}).
 
+j() ->
+    fun(X) -> X end.
+
 
 %%% Interface
 
--spec show(Parent, Title, Args, Labels) -> {ok, ReceipientID, Amount, GasPrice, TTL, Payload} | cancel
+-spec show(Parent, Args) -> {ok, #spend_tx{}} | cancel
     when Parent     :: wxFrame:wxFrame(),
-         Title      :: string(),
          Args       :: {Account :: iolist(),
                         Nonce   :: pos_integer(),
-                        Height  :: pos_integer()},
-         Labels     :: {FromL    :: string(),
-                        ToL      :: string(),
-                        AmountL  :: string(),
-                        MessageL :: string(),
-                        TTL_L    :: string(),
-                        GasL     :: string(),
-                        AffirmL  :: string(),
-                        CancelL  :: string()},
-         RecipientID :: binary(),          % <<"ak_...">> | <<"ct_...">>
-         Amount      :: non_neg_integer(), % Pucks
-         GasPrice    :: pos_integer(),     % Pucks
-         TTL         :: non_neg_integer(), % Generations
-         Payload     :: binary().
+                        Height  :: pos_integer(),
+                        J       :: fun()}.
 
-show(Parent, Title, Args, Labels) ->
-    zxw_modal:show(Parent, ?MODULE, {Title, Args, Labels}).
+show(Parent, Args) ->
+    zxw_modal:show(Parent, ?MODULE, Args).
 
 
 
 %% Init
 
-init({Parent, Caller, {Title, Args, Labels}}) ->
-    {Account, Nonce, Height} = Args,
-    {FromL, ToL, AmountL, MessageL, TTL_L, GasL, AffirmL, CancelL} = Labels,
-    Frame = wxFrame:new(Parent, ?wxID_ANY, Title),
+init({Parent, Caller, {Account, J}}) ->
+    Frame = wxFrame:new(Parent, ?wxID_ANY, J("Transfer Gajus")),
     Panel = wxWindow:new(Frame, ?wxID_ANY),
     TopSz = wxBoxSizer:new(?wxVERTICAL),
     _ = wxBoxSizer:add(TopSz, Panel, zxw:flags(wide)),
     MainSz = wxBoxSizer:new(?wxVERTICAL),
 
     FromTx = wxStaticText:new(Panel, ?wxID_ANY, Account),
-    FromSz = wxStaticBoxSizer:new(?wxVERTICAL, Panel, [{label, FromL}]),
+    FromSz = wxStaticBoxSizer:new(?wxVERTICAL, Panel, [{label, J("From")}]),
     _ = wxStaticBoxSizer:add(FromSz, FromTx, zxw:flags({wide, 5})),
     ToTx = wxTextCtrl:new(Panel, ?wxID_ANY),
-    ToSz = wxStaticBoxSizer:new(?wxVERTICAL, Panel, [{label, ToL}]),
+    ToSz = wxStaticBoxSizer:new(?wxVERTICAL, Panel, [{label, J("To")}]),
     _ = wxStaticBoxSizer:add(ToSz, ToTx, zxw:flags({wide, 5})),
     AmtTx = wxTextCtrl:new(Panel, ?wxID_ANY),
-    AmtSz = wxStaticBoxSizer:new(?wxVERTICAL, Panel, [{label, AmountL}]),
+    AmtSz = wxStaticBoxSizer:new(?wxVERTICAL, Panel, [{label, J("Amount")}]),
     AmtInSz = wxBoxSizer:new(?wxHORIZONTAL),
     AmtLabel = wxStaticText:new(Panel, ?wxID_ANY, "木"),
     _ = wxStaticBoxSizer:add(AmtInSz, AmtLabel, zxw:flags(base)),
     _ = wxStaticBoxSizer:add(AmtInSz, AmtTx, zxw:flags({wide, 5})),
     _ = wxStaticBoxSizer:add(AmtSz, AmtInSz, zxw:flags({wide, 5})),
     PayloadTx = wxTextCtrl:new(Panel, ?wxID_ANY, [{style, ?wxTE_MULTILINE}]),
-    PayloadSz = wxStaticBoxSizer:new(?wxVERTICAL, Dialog, [{label, MessageL}]),
+    PayloadSz = wxStaticBoxSizer:new(?wxVERTICAL, Panel, [{label, J("Message")}]),
     _ = wxStaticBoxSizer:add(PayloadSz, PayloadTx, zxw:flags({wide, 5})),
     Style = [{style, ?wxSL_HORIZONTAL bor ?wxSL_LABELS}],
     TTL_Sl = wxSlider:new(Panel, ?wxID_ANY, 100, 10, 1000, Style),
-    TTL_Sz = wxStaticBoxSizer:new(?wxVERTICAL, Panel, [{label, TTL_L}]),
+    TTL_Sz = wxStaticBoxSizer:new(?wxVERTICAL, Panel, [{label, J("TTL")}]),
     _ = wxStaticBoxSizer:add(TTL_Sz, TTL_Sl, zxw:flags({wide, 5})),
     Min = hz:min_gas_price(),
     Max = Min * 2,
     GasSl = wxSlider:new(Panel, ?wxID_ANY, Min, Min, Max, Style),
-    GasSz = wxStaticBoxSizer:new(?wxVERTICAL, Panel, [{label, GasL}]),
+    GasSz = wxStaticBoxSizer:new(?wxVERTICAL, Panel, [{label, J("Gas Price")}]),
     _ = wxStaticBoxSizer:add(GasSz, GasSl, zxw:flags({wide, 5})),
     ButtSz = wxBoxSizer:new(?wxHORIZONTAL),
-    Affirm = wxButton:new(Panel, ?wxID_ANY, [{label, AffirmL}]),
-    Cancel = wxButton:new(Panel, ?wxID_ANY, [{label, CancelL}]),
+    Affirm = wxButton:new(Panel, ?wxID_ANY, [{label, J("OK")}]),
+    Cancel = wxButton:new(Panel, ?wxID_ANY, [{label, J("Cancel")}]),
     _ = wxBoxSizer:add(ButtSz, Affirm,    zxw:flags({wide, 5})),
     _ = wxBoxSizer:add(ButtSz, Cancel,    zxw:flags({wide, 5})),
     _ = wxBoxSizer:add(MainSz, FromSz,    zxw:flags({base, 5})),
     _ = wxBoxSizer:add(MainSz, ToSz,      zxw:flags({base, 5})),
     _ = wxBoxSizer:add(MainSz, AmtSz,     zxw:flags({base, 5})),
     _ = wxBoxSizer:add(MainSz, PayloadSz, zxw:flags({wide, 5})),
-    _ = wxBoxSizer:add(MainSz, TTL_Sz,    zxw:flags({wide, 5})),
+    _ = wxBoxSizer:add(MainSz, TTL_Sz,    zxw:flags({base, 5})),
     _ = wxBoxSizer:add(MainSz, GasSz,     zxw:flags({base, 5})),
     _ = wxBoxSizer:add(MainSz, ButtSz,    zxw:flags({base, 5})),
-    HandleKey = key_handler(ToTx, AmtTx, PayloadTx, TTL_Sl, GasSl, OK, Cancel),
+    HandleKey = key_handler(ToTx, AmtTx, PayloadTx, TTL_Sl, GasSl, Affirm, Cancel),
     ok = wxFrame:connect(Frame,        key_down, [{callback, HandleKey}]),
     ok = wxTextCtrl:connect(ToTx,      key_down, [{callback, HandleKey}]),
     ok = wxTextCtrl:connect(AmtTx,     key_down, [{callback, HandleKey}]),
     ok = wxTextCtrl:connect(PayloadTx, key_down, [{callback, HandleKey}]),
     ok = wxTextCtrl:connect(TTL_Sl,    key_down, [{callback, HandleKey}]),
     ok = wxTextCtrl:connect(GasSl,     key_down, [{callback, HandleKey}]),
-    ok = wxTextCtrl:connect(OK,        key_down, [{callback, HandleKey}]),
+    ok = wxTextCtrl:connect(Affirm,    key_down, [{callback, HandleKey}]),
     ok = wxTextCtrl:connect(Cancel,    key_down, [{callback, HandleKey}]),
     ok = wxFrame:connect(Frame, command_button_clicked),
     ok = wxFrame:connect(Frame, close_window),
-    ok = wxFrame:setSize(Frame, {500, 450}),
+    ok = wxFrame:setSize(Frame, {500, 650}),
     ok = wxFrame:center(Frame),
     ok = wxWindow:setSizer(Panel, MainSz),
     ok = wxFrame:setSizer(Frame, TopSz),
     ok = wxBoxSizer:layout(MainSz),
     ok = wxFrame:centerOnParent(Frame),
-    ok = wxTextCtrl:setFocus(NameTx),
     true = wxFrame:show(Frame),
+    self() ! {tab, cancel},
     State =
         #s{frame   = Frame,  parent    = Parent, caller     = Caller,
            to_tx   = ToTx,   amount_tx = AmtTx,  payload_tx = PayloadTx,
            ttl_sl  = TTL_Sl, gas_sl    = GasSl,
-           ok     = OK,     cancel    = Cancel},
+           affirm  = Affirm, cancel    = Cancel},
     {Frame, State}.
 
 
-key_handler(ToTx, AmtTx, PayloadTx, TTL_Sl, GasSl, OK, Cancel) ->
+key_handler(ToTx, AmtTx, PayloadTx, TTL_Sl, GasSl, Affirm, Cancel) ->
     Me = self(),
     ToID     = wxTextCtrl:getId(ToTx),
     AmtID    = wxTextCtrl:getId(AmtTx),
     PL_ID    = wxTextCtrl:getId(PayloadTx),
     TTL_ID   = wxSlider:getId(TTL_Sl),
     GasID    = wxSlider:getId(GasSl),
-    OK_ID    = wxButton:getId(OK),
+    AffirmID = wxButton:getId(Affirm),
     CancelID = wxButton:getId(Cancel),
     fun(#wx{id = ID, event = #wxKey{type = key_down, keyCode = Code}}, KeyPress) ->
         case Code of
-%            9 ->
-%               case ID of
-%                   ToID     -> Me ! {tab, to_tx};
-%                   AmtID    -> Me ! {tab, amount_tx};
-%                   PL_ID    -> Me ! {tab, payload_tx};
-%                   TTL_ID   -> Me ! {tab, ttl_sl};
-%                   GasID    -> Me ! {tab, gas_sl};
-%                   OK_ID    -> Me ! {tab, ok};
-%                   CancelID -> Me ! {tab, cancel};
-%                   _        -> wxEvent:skip(KeyPress)
-%               end;
-%           13 ->
-%               case ID of
-%                   NameID -> Me ! {enter, name};
-%                   PassID -> Me ! {enter, pass};
-%                   _      -> wxEvent:skip(KeyPress)
-%               end;
+             9 ->
+                case ID of
+                    ToID     -> Me ! {tab, to_tx};
+                    AmtID    -> Me ! {tab, amount_tx};
+                    PL_ID    -> Me ! {tab, payload_tx};
+                    TTL_ID   -> Me ! {tab, ttl_sl};
+                    GasID    -> Me ! {tab, gas_sl};
+                    AffirmID -> Me ! {tab, affirm};
+                    CancelID -> Me ! {tab, cancel};
+                    _        -> wxEvent:skip(KeyPress)
+                end;
+            13 ->
+                case ID of
+                    ToID     -> Me ! {tab, to_tx};
+                    AmtID    -> Me ! {tab, amount_tx};
+                    PL_ID    -> Me ! {tab, payload_tx};
+                    TTL_ID   -> Me ! {tab, ttl_sl};
+                    GasID    -> Me ! {tab, gas_sl};
+                    AffirmID -> Me ! {enter, affirm};
+                    CancelID -> Me ! {enter, cancel};
+                    _        -> wxEvent:skip(KeyPress)
+                end;
             27 ->
                 Me ! esc;
             _ ->
@@ -174,11 +168,11 @@ key_handler(ToTx, AmtTx, PayloadTx, TTL_Sl, GasSl, OK, Cancel) ->
 handle_info({tab, Element}, State) ->
     ok = tab_traverse(Element, State),
     {noreply, State};
-handle_info({enter, name}, State = #s{pass_tx = PassTx}) ->
-    ok = wxTextCtrl:setFocus(PassTx),
-    {noreply, State};
-handle_info({enter, pass}, State) ->
-    done(State);
+handle_info({enter, affirm}, State) ->
+    NewState = check(State),
+    {noreply, NewState};
+handle_info({enter, cancel}, State) ->
+    cancel(State);
 handle_info(esc, State) ->
     ok = cancel(State),
     {noreply, State};
@@ -188,13 +182,15 @@ handle_info(Message, State) ->
 
 
 handle_event(#wx{event = #wxCommand{type = command_button_clicked}, id = ID},
-             State = #s{ok = OK, cancel = Cancel}) ->
-    OK_ID    = wxButton:getId(OK),
+             State = #s{affirm = Affirm, cancel = Cancel}) ->
+    AffirmID = wxButton:getId(Affirm),
     CancelID = wxButton:getId(Cancel),
+    NewState =
         case ID of
-        OK_ID    -> done(State);
+            AffirmID -> check(State);
             CancelID -> cancel(State)
-    end;
+        end,
+    {noreply, NewState};
 handle_event(#wx{event = #wxClose{}}, State) ->
     NewState = cancel(State),
     {noreply, NewState};
@@ -205,14 +201,20 @@ handle_event(Event, State) ->
 
 %%% Doers
 
-%tab_traverse(name, #s{pass_tx = PassTx}) ->
-%    wxTextCtrl:setFocus(PassTx);
-%tab_traverse(pass, #s{ok = OK}) ->
-%    wxButton:setFocus(OK);
-%tab_traverse(ok, #s{cancel = Cancel}) ->
-%    wxButton:setFocus(Cancel);
-%tab_traverse(cancel, #s{name_tx = NameTx}) ->
-%    wxTextCtrl:setFocus(NameTx).
+tab_traverse(to_tx,      #s{amount_tx = AmountTX}) ->
+    wxTextCtrl:setFocus(AmountTX);
+tab_traverse(amount_tx,  #s{payload_tx = PayloadTX}) ->
+    wxTextCtrl:setFocus(PayloadTX);
+tab_traverse(payload_tx, #s{ttl_sl = TTL_SL}) ->
+    wxSlider:setFocus(TTL_SL);
+tab_traverse(ttl_sl,     #s{gas_sl = GasSL}) ->
+    wxSlider:setFocus(GasSL);
+tab_traverse(gas_sl,     #s{affirm = Affirm}) ->
+    wxButton:setFocus(Affirm);
+tab_traverse(affirm,     #s{cancel = Cancel}) ->
+    wxButton:setFocus(Cancel);
+tab_traverse(cancel,     #s{to_tx = ToTX}) ->
+    wxTextCtrl:setFocus(ToTX).
 
 
 cancel(#s{frame = Frame, caller = Caller}) ->
@@ -220,56 +222,63 @@ cancel(#s{frame = Frame, caller = Caller}) ->
     zxw_modal:done(Caller, cancel).
 
 
-done(#s{frame  = Frame,  caller    = Caller,
+check(State =#s{frame  = Frame,  caller    = Caller,   j = J,
                 to_tx  = ToTx,   amount_tx = AmountTx, payload_tx = PayloadTx,
                 ttl_sl = TTL_Sl, gas_sl    = GasSl}) ->
     DirtyTX =
-        #spend_tx{recipient_id = wxTextCtrl:getValue(ToTx),
-                  amount       = wxTextCtrl:getValue(AmountTx),
-                  gas_price    = wxSlider:getValue(GasSl),
-                  ttl          = wxSlider:getValue(TTL_Sl),
-                  payload      = wxTextCtrl:getValue(PayloadTX)},
-    Result =
-        case clean_spend(TX) of
+        [{recipient_id, wxTextCtrl:getValue(ToTx)},
+         {amount,       wxTextCtrl:getValue(AmountTx)},
+         {gas_price,    wxSlider:getValue(GasSl)},
+         {ttl,          wxSlider:getValue(TTL_Sl)},
+         {payload,      wxTextCtrl:getValue(PayloadTx)}],
+    ok =
+    case clean_spend(DirtyTX, #spend_tx{}, J, []) of
         {ok, CleanTX} ->
+            zxw_modal:done(Caller, {ok, CleanTX});
+        {error, Errors} ->
+            DerpyDerpDerp = form_message(Errors, J),
+            ok = zxw:show_message(Frame, DerpyDerpDerp),
+            State
+    end.
 
+
+% TODO: There should be some suggestive logic around gas prices, both based on how large
+%       the payload and TTL are, but also the ingoing current common gas rate. This will require
+%       a "gas station" sort of analysis app to query, though.
+clean_spend([{recipient_id, ""} | Rest], TX, J, Errors) ->
+    NewErrors = [{recipient_id, J("Recipient field is empty.")} | Errors],
+    clean_spend(Rest, TX, J, NewErrors);
+clean_spend([{recipient_id, Recipient} | Rest], TX, J, Errors) ->
+    clean_spend(Rest, TX#spend_tx{recipient_id = list_to_binary(Recipient)}, J, Errors);
+clean_spend([{amount, ""} | Rest], TX, J, Errors) ->
+    clean_spend(Rest, TX#spend_tx{amount = 0}, J, Errors);
+clean_spend([{amount, S} | Rest], TX, J, Errors) ->
+    {NewTX, NewErrors} =
+        case hz_format:read(S) of
+            {ok, Amount} ->
+                {TX#spend_tx{amount = Amount}, Errors};
+            error ->
+                Derp = J("Amount field is not properly formatted."),
+                {TX, [{amount, Derp} | Errors]}
         end,
-    Result =
-        case wxTextCtrl:getValue(NameTx) of
-            "" ->
-                cancel;
-            Name ->
-                case wxTextCtrl:getValue(PassTx) of
-                    ""   -> {ok, Name, none};
-                    Pass -> {ok, Name, Pass}
-                end
-        end,
-    ok = wxFrame:destroy(Frame),
-    zxw_modal:done(Caller, Result).
-
-clean_spend(TX) ->
-    clean_spend(TX, []).
-
-clean_spend(TX = #spend_tx{recipient_id = ""}, Errors) ->
-    clean_spend(TX#spend_tx{recipient_id = none}, [recipient_id | Errors]);
-clean_spend(TX = #spend_tx{amount = S}, Errors) when is_list(S) ->
-    case string_to_price(S) of
-        {ok, Amount} -> clean_spend(TX#spend_tx{amount = Amount});
-        {error, _}   -> ok
-    end;
-clean_spend(TX = #spend_tx{gas_price = S}) when is_list(S) ->
-    case is_int(S) of
-        true  -> clean_spend(TX#spend_tx{gas_price = list_to_integer(S)});
-        false -> ok
-    end;
-clean_spend(TX = #spend_tx{gas = S}) when is_list(S) ->
-    case is_int(S) of
-        true  -> clean_spend(TX#spend_tx{gas = list_to_integer(S)});
-        false -> ok
-    end;
-clean_spend(TX = #spend_tx{payload = S}) when is_list(S) ->
-    clean_spend(TX#spend_tx{payload = list_to_binary(S)});
-clean_spend(TX) ->
-    {ok, CleanTX}.
+    clean_spend(Rest, NewTX, J, NewErrors);
+clean_spend([{gas_price, GasPrice} | Rest], TX, J, Errors) ->
+    clean_spend(Rest, TX#spend_tx{gas_price = GasPrice}, J, Errors);
+clean_spend([{ttl, TTL} | Rest], TX, J, Errors) ->
+    clean_spend(Rest, TX#spend_tx{ttl = TTL}, J, Errors);
+clean_spend([{payload = S} | Rest], TX, J, Errors) ->
+    clean_spend(Rest, TX#spend_tx{payload = list_to_binary(S)}, J, Errors);
+clean_spend([], TX, _, []) ->
+    {ok, TX};
+clean_spend([], _, _, Errors) ->
+    {error, Errors}.
 
 
+form_message(Errors, J) ->
+    Header = J("The following errors were encountered:"),
+    unicode:characters_to_list([Header, "\n", assemble(Errors)]).
+
+% TODO: Highlight the fields since we know them.
+assemble([{_, M} | T]) -> [M, "\n" | assemble(T)];
+assemble([])           -> [].
+    

zomp.meta

@@ -5,8 +5,8 @@
 {author,"Craig Everett"}.
 {desc,"A desktop client for the Gajumaru network of blockchain networks"}.
 {package_id,{"otpr","gajudesk",{0,8,0}}}.
-{deps,[{"otpr","zxwidgets",{1,1,0}},
-       {"otpr","hakuzaru",{0,7,0}},
+{deps,[{"otpr","hakuzaru",{0,8,2}},
+       {"otpr","zxwidgets",{1,1,0}},
        {"otpr","eblake2",{1,0,1}},
        {"otpr","base58",{0,1,1}},
        {"otpr","gmserialization",{0,1,3}},