summaryrefslogtreecommitdiff
path: root/src/testing/testing_api_cmd_transfer_get.c
blob: 699313e56fe99cc54db47c1939d5fe0d35daa987 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
/*
  This file is part of TALER
  Copyright (C) 2014-2020 Taler Systems SA

  TALER is free software; you can redistribute it and/or modify
  it under the terms of the GNU General Public License as
  published by the Free Software Foundation; either version 3, or
  (at your option) any later version.

  TALER is distributed in the hope that it will be useful, but
  WITHOUT ANY WARRANTY; without even the implied warranty of
  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  GNU General Public License for more details.

  You should have received a copy of the GNU General Public
  License along with TALER; see the file COPYING.  If not, see
  <http://www.gnu.org/licenses/>
*/

/**
 * @file testing/testing_api_cmd_transfer_get.c
 * @brief Implement the testing CMDs for the /transfer GET operation.
 * @author Marcello Stanisci
 */
#include "platform.h"
#include "taler_json_lib.h"
#include <gnunet/gnunet_curl_lib.h>
#include "taler_testing_lib.h"

/**
 * State for a "track transfer" CMD.
 */
struct TrackTransferState
{

  /**
   * Expected amount for the WTID being tracked.
   */
  const char *expected_total_amount;

  /**
   * Expected fee for this WTID.
   */
  const char *expected_wire_fee;

  /**
   * Reference to any operation that can provide a WTID.
   * Will be the WTID to track.
   */
  const char *wtid_reference;

  /**
   * Reference to any operation that can provide wire details.
   * Those wire details will then be matched against the credit
   * bank account of the tracked WTID.  This way we can test that
   * a wire transfer paid back one particular bank account.
   */
  const char *wire_details_reference;

  /**
   * Reference to any operation that can provide an amount.
   * This way we can check that the transferred amount matches
   * our expectations.
   */
  const char *total_amount_reference;

  /**
   * Handle to a pending "track transfer" operation.
   */
  struct TALER_EXCHANGE_TransfersGetHandle *tth;

  /**
   * Interpreter state.
   */
  struct TALER_TESTING_Interpreter *is;

  /**
   * Expected HTTP response code.
   */
  unsigned int expected_response_code;

  /**
   * Index to the WTID to pick, in case @a wtid_reference has
   * many on offer.
   */
  unsigned int index;
};


/**
 * Cleanup the state for a "track transfer" CMD, and possibly
 * cancel a pending operation thereof.
 *
 * @param cls closure.
 * @param cmd the command which is being cleaned up.
 */
static void
track_transfer_cleanup (void *cls,
                        const struct TALER_TESTING_Command *cmd)
{

  struct TrackTransferState *tts = cls;

  if (NULL != tts->tth)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                "Command %u (%s) did not complete\n",
                tts->is->ip,
                cmd->label);
    TALER_EXCHANGE_transfers_get_cancel (tts->tth);
    tts->tth = NULL;
  }
  GNUNET_free (tts);
}


/**
 * Check whether the HTTP response code from a "track transfer"
 * operation is acceptable, and all other values like total amount,
 * wire fees and hashed wire details as well.
 *
 * @param cls closure.
 * @param hr HTTP response details
 * @param exchange_pub public key the exchange used for signing
 *        the response.
 * @param h_wire hash of the wire transfer address the transfer
 *        went to, or NULL on error.
 * @param execution_time time when the exchange claims to have
 *        performed the wire transfer.
 * @param total_amount total amount of the wire transfer, or NULL
 *        if the exchange could not provide any @a wtid (set only
 *        if @a http_status is "200 OK").
 * @param wire_fee wire fee that was charged by the exchange.
 * @param details_length length of the @a details array.
 * @param details array with details about the combined
 *        transactions.
 */
static void
track_transfer_cb (void *cls,
                   const struct TALER_EXCHANGE_HttpResponse *hr,
                   const struct TALER_ExchangePublicKeyP *exchange_pub,
                   const struct GNUNET_HashCode *h_wire,
                   struct GNUNET_TIME_Absolute execution_time,
                   const struct TALER_Amount *total_amount,
                   const struct TALER_Amount *wire_fee,
                   unsigned int details_length,
                   const struct TALER_TrackTransferDetails *details)
{
  struct TrackTransferState *tts = cls;
  struct TALER_TESTING_Interpreter *is = tts->is;
  struct TALER_TESTING_Command *cmd = &is->commands[is->ip];
  struct TALER_Amount expected_amount;

  (void) exchange_pub;
  tts->tth = NULL;
  if (tts->expected_response_code != hr->http_status)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Unexpected response code %u/%d to command %s in %s:%u\n",
                hr->http_status,
                (int) hr->ec,
                cmd->label,
                __FILE__,
                __LINE__);
    json_dumpf (hr->reply,
                stderr,
                0);
    TALER_TESTING_interpreter_fail (is);
    return;
  }

  switch (hr->http_status)
  {
  case MHD_HTTP_OK:
    if (NULL == tts->expected_total_amount)
    {
      GNUNET_break (0);
      TALER_TESTING_interpreter_fail (is);
      return;
    }
    if (NULL == tts->expected_wire_fee)
    {
      GNUNET_break (0);
      TALER_TESTING_interpreter_fail (is);
      return;
    }

    if (GNUNET_OK !=
        TALER_string_to_amount (tts->expected_total_amount,
                                &expected_amount))
    {
      GNUNET_break (0);
      TALER_TESTING_interpreter_fail (is);
      return;
    }
    if (0 != TALER_amount_cmp (total_amount,
                               &expected_amount))
    {
      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                  "Total amount mismatch to command %s - "
                  "%s vs %s\n",
                  cmd->label,
                  TALER_amount_to_string (total_amount),
                  TALER_amount_to_string (&expected_amount));
      json_dumpf (hr->reply,
                  stderr,
                  0);
      fprintf (stderr, "\n");
      TALER_TESTING_interpreter_fail (is);
      return;
    }

    if (GNUNET_OK !=
        TALER_string_to_amount (tts->expected_wire_fee,
                                &expected_amount))
    {
      GNUNET_break (0);
      TALER_TESTING_interpreter_fail (is);
      return;
    }

    if (0 != TALER_amount_cmp (wire_fee,
                               &expected_amount))
    {
      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                  "Wire fee mismatch to command %s\n",
                  cmd->label);
      json_dumpf (hr->reply,
                  stderr,
                  0);
      TALER_TESTING_interpreter_fail (is);
      return;
    }

    /**
     * Optionally checking: (1) wire-details for this transfer
     * match the ones from a referenced "deposit" operation -
     * or any operation that could provide wire-details.  (2)
     * Total amount for this transfer matches the one from any
     * referenced command that could provide one.
     */if (NULL != tts->wire_details_reference)
    {
      const struct TALER_TESTING_Command *wire_details_cmd;
      const json_t *wire_details;
      struct GNUNET_HashCode h_wire_details;

      wire_details_cmd
        = TALER_TESTING_interpreter_lookup_command (is,
                                                    tts->wire_details_reference);
      if (NULL == wire_details_cmd)
      {
        GNUNET_break (0);
        TALER_TESTING_interpreter_fail (is);
        return;
      }
      if (GNUNET_OK !=
          TALER_TESTING_get_trait_wire_details (wire_details_cmd,
                                                0,
                                                &wire_details))
      {
        GNUNET_break (0);
        TALER_TESTING_interpreter_fail (is);
        return;
      }
      GNUNET_assert (GNUNET_OK ==
                     TALER_JSON_merchant_wire_signature_hash (wire_details,
                                                              &h_wire_details));
      if (0 != GNUNET_memcmp (&h_wire_details,
                              h_wire))
      {
        GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                    "Wire hash missmath to command %s\n",
                    cmd->label);
        json_dumpf (hr->reply,
                    stderr,
                    0);
        TALER_TESTING_interpreter_fail (is);
        return;
      }
    }
    if (NULL != tts->total_amount_reference)
    {
      const struct TALER_TESTING_Command *total_amount_cmd;
      const struct TALER_Amount *total_amount_from_reference;

      total_amount_cmd
        = TALER_TESTING_interpreter_lookup_command (is,
                                                    tts->total_amount_reference);
      if (NULL == total_amount_cmd)
      {
        GNUNET_break (0);
        TALER_TESTING_interpreter_fail (is);
        return;
      }
      if (GNUNET_OK !=
          TALER_TESTING_get_trait_amount_obj (total_amount_cmd,
                                              0,
                                              &total_amount_from_reference))
      {
        GNUNET_break (0);
        TALER_TESTING_interpreter_fail (is);
        return;
      }
      if (0 != TALER_amount_cmp (total_amount,
                                 total_amount_from_reference))
      {
        GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                    "Amount missmath to command %s\n",
                    cmd->label);
        json_dumpf (hr->reply,
                    stderr,
                    0);
        TALER_TESTING_interpreter_fail (is);
        return;
      }
    }
  }
  TALER_TESTING_interpreter_next (is);
}


/**
 * Run the command.
 *
 * @param cls closure.
 * @param cmd the command under execution.
 * @param is the interpreter state.
 */
static void
track_transfer_run (void *cls,
                    const struct TALER_TESTING_Command *cmd,
                    struct TALER_TESTING_Interpreter *is)
{
  /* looking for a wtid to track .. */
  struct TrackTransferState *tts = cls;
  struct TALER_WireTransferIdentifierRawP wtid;
  const struct TALER_WireTransferIdentifierRawP *wtid_ptr;

  /* If no reference is given, we'll use a all-zeros
   * WTID */
  memset (&wtid, 0, sizeof (wtid));
  wtid_ptr = &wtid;

  tts->is = is;
  if (NULL != tts->wtid_reference)
  {
    const struct TALER_TESTING_Command *wtid_cmd;

    wtid_cmd = TALER_TESTING_interpreter_lookup_command
                 (tts->is, tts->wtid_reference);

    if (NULL == wtid_cmd)
    {
      GNUNET_break (0);
      TALER_TESTING_interpreter_fail (tts->is);
      return;
    }

    if (GNUNET_OK != TALER_TESTING_get_trait_wtid
          (wtid_cmd, tts->index, &wtid_ptr))
    {
      GNUNET_break (0);
      TALER_TESTING_interpreter_fail (tts->is);
      return;
    }
    GNUNET_assert (NULL != wtid_ptr);
  }
  tts->tth = TALER_EXCHANGE_transfers_get (is->exchange,
                                           wtid_ptr,
                                           &track_transfer_cb,
                                           tts);
  GNUNET_assert (NULL != tts->tth);
}


/**
 * Make a "track transfer" CMD where no "expected"-arguments,
 * except the HTTP response code, are given.  The best use case
 * is when what matters to check is the HTTP response code, e.g.
 * when a bogus WTID was passed.
 *
 * @param label the command label
 * @param wtid_reference reference to any command which can provide
 *        a wtid.  If NULL is given, then a all zeroed WTID is
 *        used that will at 99.9999% probability NOT match any
 *        existing WTID known to the exchange.
 * @param index index number of the WTID to track, in case there
 *        are multiple on offer.
 * @param expected_response_code expected HTTP response code.
 * @return the command.
 */
struct TALER_TESTING_Command
TALER_TESTING_cmd_track_transfer_empty (const char *label,
                                        const char *wtid_reference,
                                        unsigned int index,
                                        unsigned int expected_response_code)
{
  struct TrackTransferState *tts;

  tts = GNUNET_new (struct TrackTransferState);
  tts->wtid_reference = wtid_reference;
  tts->index = index;
  tts->expected_response_code = expected_response_code;
  {
    struct TALER_TESTING_Command cmd = {
      .cls = tts,
      .label = label,
      .run = &track_transfer_run,
      .cleanup = &track_transfer_cleanup
    };

    return cmd;
  }
}


/**
 * Make a "track transfer" command, specifying which amount and
 * wire fee are expected.
 *
 * @param label the command label.
 * @param wtid_reference reference to any command which can provide
 *        a wtid.  Will be the one tracked.
 * @param index in case there are multiple WTID offered, this
 *        parameter selects a particular one.
 * @param expected_response_code expected HTTP response code.
 * @param expected_total_amount how much money we expect being moved
 *        with this wire-transfer.
 * @param expected_wire_fee expected wire fee.
 * @return the command
 */
struct TALER_TESTING_Command
TALER_TESTING_cmd_track_transfer (const char *label,
                                  const char *wtid_reference,
                                  unsigned int index,
                                  unsigned int expected_response_code,
                                  const char *expected_total_amount,
                                  const char *expected_wire_fee)
{
  struct TrackTransferState *tts;

  tts = GNUNET_new (struct TrackTransferState);
  tts->wtid_reference = wtid_reference;
  tts->index = index;
  tts->expected_response_code = expected_response_code;
  tts->expected_total_amount = expected_total_amount;
  tts->expected_wire_fee = expected_wire_fee;
  {
    struct TALER_TESTING_Command cmd = {
      .cls = tts,
      .label = label,
      .run = &track_transfer_run,
      .cleanup = &track_transfer_cleanup
    };

    return cmd;
  }
}


/* end of testing_api_cmd_gransfer_get.c */