Line data Source code
1 : /*
2 : This file is part of TALER
3 : Copyright (C) 2014-2022 Taler Systems SA
4 :
5 : TALER is free software; you can redistribute it and/or modify
6 : it under the terms of the GNU General Public License as
7 : published by the Free Software Foundation; either version 3, or
8 : (at your option) any later version.
9 :
10 : TALER is distributed in the hope that it will be useful, but
11 : WITHOUT ANY WARRANTY; without even the implied warranty of
12 : MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13 : GNU General Public License for more details.
14 :
15 : You should have received a copy of the GNU General Public
16 : License along with TALER; see the file COPYING. If not, see
17 : <http://www.gnu.org/licenses/>
18 : */
19 : /**
20 : * @file testing/testing_api_cmd_reserve_open.c
21 : * @brief Implement the /reserve/$RID/open test command.
22 : * @author Christian Grothoff
23 : */
24 : #include "taler/taler_json_lib.h"
25 : #include <gnunet/gnunet_curl_lib.h>
26 : #include "taler/taler_testing_lib.h"
27 :
28 :
29 : /**
30 : * Information we track per coin used to pay for opening the
31 : * reserve.
32 : */
33 : struct CoinDetail
34 : {
35 : /**
36 : * Name of the command and index of the coin to use.
37 : */
38 : const char *name;
39 :
40 : /**
41 : * Amount to charge to this coin.
42 : */
43 : struct TALER_Amount amount;
44 : };
45 :
46 :
47 : /**
48 : * State for a "open" CMD.
49 : */
50 : struct OpenState
51 : {
52 : /**
53 : * Label to the command which created the reserve to check,
54 : * needed to resort the reserve key.
55 : */
56 : const char *reserve_reference;
57 :
58 : /**
59 : * Requested expiration time.
60 : */
61 : struct GNUNET_TIME_Relative req_expiration_time;
62 :
63 : /**
64 : * Requested minimum number of purses.
65 : */
66 : uint32_t min_purses;
67 :
68 : /**
69 : * Amount to pay for the opening from the reserve balance.
70 : */
71 : struct TALER_Amount reserve_pay;
72 :
73 : /**
74 : * Handle to the "reserve open" operation.
75 : */
76 : struct TALER_EXCHANGE_PostReservesOpenHandle *rsh;
77 :
78 : /**
79 : * Expected reserve balance.
80 : */
81 : const char *expected_balance;
82 :
83 : /**
84 : * Length of the @e cd array.
85 : */
86 : unsigned int cpl;
87 :
88 : /**
89 : * Coin details, array of length @e cpl.
90 : */
91 : struct CoinDetail *cd;
92 :
93 : /**
94 : * Private key of the reserve being analyzed.
95 : */
96 : const struct TALER_ReservePrivateKeyP *reserve_priv;
97 :
98 : /**
99 : * Public key of the reserve being analyzed.
100 : */
101 : struct TALER_ReservePublicKeyP reserve_pub;
102 :
103 : /**
104 : * Expected HTTP response code.
105 : */
106 : unsigned int expected_response_code;
107 :
108 : /**
109 : * Interpreter state.
110 : */
111 : struct TALER_TESTING_Interpreter *is;
112 : };
113 :
114 :
115 : /**
116 : * Check that the reserve balance and HTTP response code are
117 : * both acceptable.
118 : *
119 : * @param cls closure.
120 : * @param rs HTTP response details
121 : */
122 : static void
123 6 : reserve_open_cb (void *cls,
124 : const struct TALER_EXCHANGE_PostReservesOpenResponse *rs)
125 : {
126 6 : struct OpenState *ss = cls;
127 6 : struct TALER_TESTING_Interpreter *is = ss->is;
128 :
129 6 : ss->rsh = NULL;
130 6 : if (ss->expected_response_code != rs->hr.http_status)
131 : {
132 0 : GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
133 : "Unexpected HTTP response code: %d in %s:%u\n",
134 : rs->hr.http_status,
135 : __FILE__,
136 : __LINE__);
137 0 : json_dumpf (rs->hr.reply,
138 : stderr,
139 : JSON_INDENT (2));
140 0 : TALER_TESTING_interpreter_fail (ss->is);
141 0 : return;
142 : }
143 6 : if (MHD_HTTP_OK != rs->hr.http_status)
144 : {
145 2 : TALER_TESTING_interpreter_next (is);
146 2 : return;
147 : }
148 4 : TALER_TESTING_interpreter_next (is);
149 : }
150 :
151 :
152 : /**
153 : * Run the command.
154 : *
155 : * @param cls closure.
156 : * @param cmd the command being executed.
157 : * @param is the interpreter state.
158 : */
159 : static void
160 6 : open_run (void *cls,
161 : const struct TALER_TESTING_Command *cmd,
162 : struct TALER_TESTING_Interpreter *is)
163 6 : {
164 6 : struct OpenState *ss = cls;
165 : const struct TALER_TESTING_Command *create_reserve;
166 6 : struct TALER_EXCHANGE_PurseDeposit cp[GNUNET_NZL (ss->cpl)];
167 :
168 6 : ss->is = is;
169 : create_reserve
170 6 : = TALER_TESTING_interpreter_lookup_command (is,
171 : ss->reserve_reference);
172 :
173 6 : if (NULL == create_reserve)
174 : {
175 0 : GNUNET_break (0);
176 0 : TALER_TESTING_interpreter_fail (is);
177 0 : return;
178 : }
179 6 : if (GNUNET_OK !=
180 6 : TALER_TESTING_get_trait_reserve_priv (create_reserve,
181 : &ss->reserve_priv))
182 : {
183 0 : GNUNET_break (0);
184 0 : TALER_LOG_ERROR ("Failed to find reserve_priv for open query\n");
185 0 : TALER_TESTING_interpreter_fail (is);
186 0 : return;
187 : }
188 6 : GNUNET_CRYPTO_eddsa_key_get_public (&ss->reserve_priv->eddsa_priv,
189 : &ss->reserve_pub.eddsa_pub);
190 8 : for (unsigned int i = 0; i<ss->cpl; i++)
191 : {
192 2 : struct TALER_EXCHANGE_PurseDeposit *cpi = &cp[i];
193 : const struct TALER_TESTING_Command *cmdi;
194 : const struct TALER_AgeCommitmentProof *age_commitment_proof;
195 : const struct TALER_CoinSpendPrivateKeyP *coin_priv;
196 : const struct TALER_DenominationSignature *denom_sig;
197 : const struct TALER_EXCHANGE_DenomPublicKey *denom_pub;
198 : char *cref;
199 : unsigned int cidx;
200 :
201 2 : if (GNUNET_OK !=
202 2 : TALER_TESTING_parse_coin_reference (ss->cd[i].name,
203 : &cref,
204 : &cidx))
205 : {
206 0 : GNUNET_break (0);
207 0 : TALER_LOG_ERROR ("Failed to parse coin reference `%s'\n",
208 : ss->cd[i].name);
209 0 : TALER_TESTING_interpreter_fail (is);
210 0 : return;
211 : }
212 2 : cmdi = TALER_TESTING_interpreter_lookup_command (is,
213 : cref);
214 2 : GNUNET_free (cref);
215 2 : if (NULL == cmdi)
216 : {
217 0 : GNUNET_break (0);
218 0 : TALER_LOG_ERROR ("Command `%s' not found\n",
219 : ss->cd[i].name);
220 0 : TALER_TESTING_interpreter_fail (is);
221 0 : return;
222 : }
223 2 : if ( (GNUNET_OK !=
224 2 : TALER_TESTING_get_trait_age_commitment_proof (cmdi,
225 : cidx,
226 : &age_commitment_proof))
227 2 : ||
228 : (GNUNET_OK !=
229 2 : TALER_TESTING_get_trait_coin_priv (cmdi,
230 : cidx,
231 2 : &coin_priv)) ||
232 : (GNUNET_OK !=
233 2 : TALER_TESTING_get_trait_denom_sig (cmdi,
234 : cidx,
235 2 : &denom_sig)) ||
236 : (GNUNET_OK !=
237 2 : TALER_TESTING_get_trait_denom_pub (cmdi,
238 : cidx,
239 : &denom_pub)) )
240 : {
241 0 : GNUNET_break (0);
242 0 : TALER_LOG_ERROR ("Coin trait not found in `%s'\n",
243 : ss->cd[i].name);
244 0 : TALER_TESTING_interpreter_fail (is);
245 0 : return;
246 : }
247 2 : cpi->age_commitment_proof = age_commitment_proof;
248 2 : cpi->coin_priv = *coin_priv;
249 2 : cpi->denom_sig = *denom_sig;
250 2 : cpi->amount = ss->cd[i].amount;
251 2 : cpi->h_denom_pub = denom_pub->h_key;
252 : }
253 12 : ss->rsh = TALER_EXCHANGE_post_reserves_open_create (
254 : TALER_TESTING_interpreter_get_context (is),
255 : TALER_TESTING_get_exchange_url (is),
256 : TALER_TESTING_get_keys (is),
257 : ss->reserve_priv,
258 6 : &ss->reserve_pay,
259 : ss->cpl,
260 : cp,
261 : GNUNET_TIME_relative_to_timestamp (ss->req_expiration_time),
262 : ss->min_purses);
263 6 : if (NULL == ss->rsh)
264 : {
265 0 : GNUNET_break (0);
266 0 : TALER_TESTING_interpreter_fail (is);
267 0 : return;
268 : }
269 : {
270 : enum TALER_ErrorCode ec;
271 :
272 6 : ec = TALER_EXCHANGE_post_reserves_open_start (ss->rsh,
273 : &reserve_open_cb,
274 : ss);
275 6 : if (TALER_EC_NONE != ec)
276 : {
277 0 : GNUNET_break (0);
278 0 : ss->rsh = NULL;
279 0 : TALER_TESTING_interpreter_fail (is);
280 0 : return;
281 : }
282 : }
283 : }
284 :
285 :
286 : /**
287 : * Cleanup the state from a "reserve open" CMD, and possibly
288 : * cancel a pending operation thereof.
289 : *
290 : * @param cls closure.
291 : * @param cmd the command which is being cleaned up.
292 : */
293 : static void
294 6 : open_cleanup (void *cls,
295 : const struct TALER_TESTING_Command *cmd)
296 : {
297 6 : struct OpenState *ss = cls;
298 :
299 6 : if (NULL != ss->rsh)
300 : {
301 0 : TALER_TESTING_command_incomplete (ss->is,
302 : cmd->label);
303 0 : TALER_EXCHANGE_post_reserves_open_cancel (ss->rsh);
304 0 : ss->rsh = NULL;
305 : }
306 6 : GNUNET_free (ss->cd);
307 6 : GNUNET_free (ss);
308 6 : }
309 :
310 :
311 : struct TALER_TESTING_Command
312 6 : TALER_TESTING_cmd_reserve_open (const char *label,
313 : const char *reserve_reference,
314 : const char *reserve_pay,
315 : struct GNUNET_TIME_Relative expiration_time,
316 : uint32_t min_purses,
317 : unsigned int expected_response_code,
318 : ...)
319 : {
320 : struct OpenState *ss;
321 : va_list ap;
322 : const char *name;
323 : unsigned int i;
324 :
325 6 : GNUNET_assert (NULL != reserve_reference);
326 6 : ss = GNUNET_new (struct OpenState);
327 6 : ss->reserve_reference = reserve_reference;
328 6 : ss->req_expiration_time = expiration_time;
329 6 : ss->min_purses = min_purses;
330 6 : GNUNET_assert (GNUNET_OK ==
331 : TALER_string_to_amount (reserve_pay,
332 : &ss->reserve_pay));
333 6 : ss->expected_response_code = expected_response_code;
334 6 : va_start (ap,
335 : expected_response_code);
336 10 : while (NULL != (name = va_arg (ap, const char *)))
337 4 : ss->cpl++;
338 6 : va_end (ap);
339 6 : GNUNET_assert (0 == (ss->cpl % 2));
340 6 : ss->cpl /= 2; /* name and amount per coin */
341 6 : ss->cd = GNUNET_new_array (ss->cpl,
342 : struct CoinDetail);
343 6 : i = 0;
344 6 : va_start (ap,
345 : expected_response_code);
346 8 : while (NULL != (name = va_arg (ap, const char *)))
347 : {
348 2 : struct CoinDetail *cd = &ss->cd[i];
349 2 : cd->name = name;
350 2 : GNUNET_assert (GNUNET_OK ==
351 : TALER_string_to_amount (va_arg (ap,
352 : const char *),
353 : &cd->amount));
354 2 : i++;
355 : }
356 6 : va_end (ap);
357 : {
358 6 : struct TALER_TESTING_Command cmd = {
359 : .cls = ss,
360 : .label = label,
361 : .run = &open_run,
362 : .cleanup = &open_cleanup
363 : };
364 :
365 6 : return cmd;
366 : }
367 : }
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