aboutsummaryrefslogtreecommitdiff
path: root/src/wire/plugin_wire_sepa.c
blob: 9954367259e0cfce383d993567ab09c667a842bf (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
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
/*
  This file is part of TALER
  Copyright (C) 2016 GNUnet e.V. & Inria

  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, If not, see <http://www.gnu.org/licenses/>
*/

/**
 * @file plugin_wire_sepa.c
 * @brief wire plugin for transfers using SEPA/EBICS
 * @author Florian Dold
 * @author Christian Grothoff
 * @author Sree Harsha Totakura
 */
#include "platform.h"
#include "taler_wire_plugin.h"
#include "taler_signatures.h"
#include <gnunet/gnunet_json_lib.h>


/**
 * Type of the "cls" argument given to each of the functions in
 * our API.
 */
struct SepaClosure
{

  /**
   * Which currency do we support?
   */
  char *currency;

};


/**
 * Round amount DOWN to the amount that can be transferred via the wire
 * method.  For example, Taler may support 0.000001 EUR as a unit of
 * payment, but SEPA only supports 0.01 EUR.  This function would
 * round 0.125 EUR to 0.12 EUR in this case.
 *
 * @param cls the @e cls of this struct with the plugin-specific state
 * @param[in,out] amount amount to round down
 * @return #GNUNET_OK on success, #GNUNET_NO if rounding was unnecessary,
 *         #GNUNET_SYSERR if the amount or currency was invalid
 */
static int
sepa_amount_round (void *cls,
                   struct TALER_Amount *amount)
{
  struct SepaClosure *sc = cls;
  uint32_t delta;

  if (NULL == sc->currency)
    return GNUNET_SYSERR;
  if (0 != strcasecmp (amount->currency,
                       sc->currency))
  {
    GNUNET_break (0);
    return GNUNET_SYSERR;
  }
  delta = amount->fraction % (TALER_AMOUNT_FRAC_BASE / 100);
  if (0 == delta)
    return GNUNET_NO;
  amount->fraction -= delta;
  return GNUNET_SYSERR;
}


/* Taken from GNU gettext */

/**
 * Entry in the country table.
 */
struct table_entry
{
  /**
   * 2-Character international country code.
   */
  const char *code;

  /**
   * Long English name of the country.
   */
  const char *english;
};


/* Keep the following table in sync with gettext.
   WARNING: the entries should stay sorted according to the code */
/**
 * List of country codes.
 */
static const struct table_entry country_table[] =
  {
    { "AE", "U.A.E." },
    { "AF", "Afghanistan" },
    { "AL", "Albania" },
    { "AM", "Armenia" },
    { "AN", "Netherlands Antilles" },
    { "AR", "Argentina" },
    { "AT", "Austria" },
    { "AU", "Australia" },
    { "AZ", "Azerbaijan" },
    { "BA", "Bosnia and Herzegovina" },
    { "BD", "Bangladesh" },
    { "BE", "Belgium" },
    { "BG", "Bulgaria" },
    { "BH", "Bahrain" },
    { "BN", "Brunei Darussalam" },
    { "BO", "Bolivia" },
    { "BR", "Brazil" },
    { "BT", "Bhutan" },
    { "BY", "Belarus" },
    { "BZ", "Belize" },
    { "CA", "Canada" },
    { "CG", "Congo" },
    { "CH", "Switzerland" },
    { "CI", "Cote d'Ivoire" },
    { "CL", "Chile" },
    { "CM", "Cameroon" },
    { "CN", "People's Republic of China" },
    { "CO", "Colombia" },
    { "CR", "Costa Rica" },
    { "CS", "Serbia and Montenegro" },
    { "CZ", "Czech Republic" },
    { "DE", "Germany" },
    { "DK", "Denmark" },
    { "DO", "Dominican Republic" },
    { "DZ", "Algeria" },
    { "EC", "Ecuador" },
    { "EE", "Estonia" },
    { "EG", "Egypt" },
    { "ER", "Eritrea" },
    { "ES", "Spain" },
    { "ET", "Ethiopia" },
    { "FI", "Finland" },
    { "FO", "Faroe Islands" },
    { "FR", "France" },
    { "GB", "United Kingdom" },
    { "GD", "Caribbean" },
    { "GE", "Georgia" },
    { "GL", "Greenland" },
    { "GR", "Greece" },
    { "GT", "Guatemala" },
    { "HK", "Hong Kong" },
    { "HK", "Hong Kong S.A.R." },
    { "HN", "Honduras" },
    { "HR", "Croatia" },
    { "HT", "Haiti" },
    { "HU", "Hungary" },
    { "ID", "Indonesia" },
    { "IE", "Ireland" },
    { "IL", "Israel" },
    { "IN", "India" },
    { "IQ", "Iraq" },
    { "IR", "Iran" },
    { "IS", "Iceland" },
    { "IT", "Italy" },
    { "JM", "Jamaica" },
    { "JO", "Jordan" },
    { "JP", "Japan" },
    { "KE", "Kenya" },
    { "KG", "Kyrgyzstan" },
    { "KH", "Cambodia" },
    { "KR", "South Korea" },
    { "KW", "Kuwait" },
    { "KZ", "Kazakhstan" },
    { "LA", "Laos" },
    { "LB", "Lebanon" },
    { "LI", "Liechtenstein" },
    { "LK", "Sri Lanka" },
    { "LT", "Lithuania" },
    { "LU", "Luxembourg" },
    { "LV", "Latvia" },
    { "LY", "Libya" },
    { "MA", "Morocco" },
    { "MC", "Principality of Monaco" },
    { "MD", "Moldava" },
    { "MD", "Moldova" },
    { "ME", "Montenegro" },
    { "MK", "Former Yugoslav Republic of Macedonia" },
    { "ML", "Mali" },
    { "MM", "Myanmar" },
    { "MN", "Mongolia" },
    { "MO", "Macau S.A.R." },
    { "MT", "Malta" },
    { "MV", "Maldives" },
    { "MX", "Mexico" },
    { "MY", "Malaysia" },
    { "NG", "Nigeria" },
    { "NI", "Nicaragua" },
    { "NL", "Netherlands" },
    { "NO", "Norway" },
    { "NP", "Nepal" },
    { "NZ", "New Zealand" },
    { "OM", "Oman" },
    { "PA", "Panama" },
    { "PE", "Peru" },
    { "PH", "Philippines" },
    { "PK", "Islamic Republic of Pakistan" },
    { "PL", "Poland" },
    { "PR", "Puerto Rico" },
    { "PT", "Portugal" },
    { "PY", "Paraguay" },
    { "QA", "Qatar" },
    { "RE", "Reunion" },
    { "RO", "Romania" },
    { "RS", "Serbia" },
    { "RU", "Russia" },
    { "RW", "Rwanda" },
    { "SA", "Saudi Arabia" },
    { "SE", "Sweden" },
    { "SG", "Singapore" },
    { "SI", "Slovenia" },
    { "SK", "Slovak" },
    { "SN", "Senegal" },
    { "SO", "Somalia" },
    { "SR", "Suriname" },
    { "SV", "El Salvador" },
    { "SY", "Syria" },
    { "TH", "Thailand" },
    { "TJ", "Tajikistan" },
    { "TM", "Turkmenistan" },
    { "TN", "Tunisia" },
    { "TR", "Turkey" },
    { "TT", "Trinidad and Tobago" },
    { "TW", "Taiwan" },
    { "TZ", "Tanzania" },
    { "UA", "Ukraine" },
    { "US", "United States" },
    { "UY", "Uruguay" },
    { "VA", "Vatican" },
    { "VE", "Venezuela" },
    { "VN", "Viet Nam" },
    { "YE", "Yemen" },
    { "ZA", "South Africa" },
    { "ZW", "Zimbabwe" }
  };


/**
 * Country code comparator function, for binary search with bsearch().
 *
 * @param ptr1 pointer to a `struct table_entry`
 * @param ptr2 pointer to a `struct table_entry`
 * @return result of strncmp()'ing the 2-digit country codes of the entries
 */
static int
cmp_country_code (const void *ptr1,
                  const void *ptr2)
{
  const struct table_entry *cc1 = ptr1;
  const struct table_entry *cc2 = ptr2;

  return strncmp (cc1->code,
                  cc2->code,
                  2);
}


/**
 * Validates given IBAN according to the European Banking Standards.  See:
 * http://www.europeanpaymentscouncil.eu/documents/ECBS%20IBAN%20standard%20EBS204_V3.2.pdf
 *
 * @param iban the IBAN number to validate
 * @return #GNUNET_YES if correctly formatted; #GNUNET_NO if not
 */
static int
validate_iban (const char *iban)
{
  char cc[2];
  char ibancpy[35];
  struct table_entry cc_entry;
  unsigned int len;
  char *nbuf;
  unsigned int i;
  unsigned int j;
  unsigned long long dividend;
  unsigned long long remainder;
  int nread;
  int ret;

  len = strlen (iban);
  if (len > 34)
    return GNUNET_NO;
  strncpy (cc, iban, 2);
  strncpy (ibancpy, iban + 4, len - 4);
  strncpy (ibancpy + len - 4, iban, 4);
  ibancpy[len] = '\0';
  cc_entry.code = cc;
  cc_entry.english = NULL;
  if (NULL ==
      bsearch (&cc_entry,
               country_table,
               sizeof (country_table) / sizeof (struct table_entry),
               sizeof (struct table_entry),
               &cmp_country_code))
    return GNUNET_NO;
  nbuf = GNUNET_malloc ((len * 2) + 1);
  for (i=0, j=0; i < len; i++)
  {
    if (isalpha ((int) ibancpy[i]))
    {
      if (2 != snprintf(&nbuf[j],
                        3,
                        "%2u",
                        (ibancpy[i] - 'A' + 10)))
      {
        GNUNET_free (nbuf);
        return GNUNET_NO;
      }
      j += 2;
      continue;
    }
    nbuf[j] = ibancpy[i];
    j++;
  }
  for (j=0;'\0' != nbuf[j];j++)
    GNUNET_assert (isdigit(nbuf[j]));
  GNUNET_assert (sizeof(dividend) >= 8);
  remainder = 0;
  for (i=0; i<j; i+=16)
  {
    if (1 !=
        (ret = sscanf (&nbuf[i],
                       "%16llu %n",
                       &dividend,
                       &nread)))
    {
      GNUNET_free (nbuf);
      return GNUNET_NO;
    }
    if (0 != remainder)
      dividend += remainder * (pow (10, nread));
    remainder = dividend % 97;
  }
  GNUNET_free (nbuf);
  if (1 == remainder)
    return GNUNET_YES;
  return GNUNET_NO;
}


/**
 * Verify that the signature in the @a json for /wire/sepa is valid.
 *
 * @param json json reply with the signature
 * @param master_pub public key of the exchange to verify against
 * @return #GNUNET_SYSERR if @a json is invalid,
 *         #GNUNET_NO if the method is unknown,
 *         #GNUNET_OK if the json is valid
 */
static int
verify_wire_sepa_signature_ok (const json_t *json,
                               const struct TALER_MasterPublicKeyP *master_pub)
{
  struct TALER_MasterSignatureP exchange_sig;
  struct TALER_MasterWireSepaDetailsPS mp;
  const char *receiver_name;
  const char *iban;
  const char *bic;
  struct GNUNET_HashContext *hc;
  struct GNUNET_JSON_Specification spec[] = {
    GNUNET_JSON_spec_fixed_auto ("sig", &exchange_sig),
    GNUNET_JSON_spec_string ("receiver_name", &receiver_name),
    GNUNET_JSON_spec_string ("iban", &iban),
    GNUNET_JSON_spec_string ("bic", &bic),
    GNUNET_JSON_spec_end()
  };

  if (NULL == master_pub)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
                "Skipping signature check as master public key not given\n");
    return GNUNET_OK;
  }
  if (GNUNET_OK !=
      GNUNET_JSON_parse (json, spec,
                         NULL, NULL))
  {
    GNUNET_break_op (0);
    return GNUNET_SYSERR;
  }

  mp.purpose.purpose = htonl (TALER_SIGNATURE_MASTER_SEPA_DETAILS);
  mp.purpose.size = htonl (sizeof (struct TALER_MasterWireSepaDetailsPS));
  hc = GNUNET_CRYPTO_hash_context_start ();
  GNUNET_CRYPTO_hash_context_read (hc,
                                   receiver_name,
                                   strlen (receiver_name) + 1);
  GNUNET_CRYPTO_hash_context_read (hc,
                                   iban,
                                   strlen (iban) + 1);
  GNUNET_CRYPTO_hash_context_read (hc,
                                   bic,
                                   strlen (bic) + 1);
  GNUNET_CRYPTO_hash_context_finish (hc,
                                     &mp.h_sepa_details);

  if (GNUNET_OK !=
      GNUNET_CRYPTO_eddsa_verify (TALER_SIGNATURE_MASTER_SEPA_DETAILS,
                                  &mp.purpose,
                                  &exchange_sig.eddsa_signature,
                                  &master_pub->eddsa_pub))
  {
    GNUNET_break_op (0);
    GNUNET_JSON_parse_free (spec);
    return GNUNET_SYSERR;
  }
  GNUNET_JSON_parse_free (spec);
  return GNUNET_OK;
}


/**
 * Check if the given wire format JSON object is correctly formatted
 *
 * @param cls the @e cls of this struct with the plugin-specific state
 * @param wire the JSON wire format object
 * @param master_pub public key of the exchange to verify against
 * @return #GNUNET_YES if correctly formatted; #GNUNET_NO if not
 */
static int
sepa_wire_validate (void *cls,
                    const json_t *wire,
                    const struct TALER_MasterPublicKeyP *master_pub)
{
  json_error_t error;
  const char *type;
  const char *iban;
  const char *name;
  const char *bic;

  if (0 != json_unpack_ex
      ((json_t *) wire,
       &error, 0,
       "{"
       "s:s," /* type: sepa */
       "s:s," /* iban: IBAN */
       "s:s," /* receiver_name: beneficiary name */
       "s:s" /* bic: beneficiary bank's BIC */
       "}",
       "type", &type,
       "iban", &iban,
       "receiver_name", &name,
       "bic", &bic))
  {
    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
                "JSON parsing failed at %s:%u: %s (%s)\n",
                __FILE__, __LINE__,
                error.text, error.source);
    json_dumpf (wire, stderr, 0);
    fprintf (stderr, "\n");
    return GNUNET_SYSERR;
  }
  if (0 != strcasecmp (type,
                       "sepa"))
  {
    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
		"Transfer type `%s' invalid\n",
		type);
    return GNUNET_SYSERR;
  }
  if (1 != validate_iban (iban))
  {
    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
		"IBAN `%s' invalid\n",
		iban);
    return GNUNET_NO;
  }
  /* FIXME: don't parse again, integrate properly... */
  if (GNUNET_OK !=
      verify_wire_sepa_signature_ok (wire,
                                     master_pub))
  {
    GNUNET_log (GNUNET_ERROR_TYPE_INFO,
                "Signature invalid\n");
    return GNUNET_NO;
  }
  return GNUNET_YES;
}


/**
 * Obtain wire transfer details in the plugin-specific format
 * from the configuration.
 *
 * @param cls closure
 * @param cfg configuration with details about wire accounts
 * @param account_name which section in the configuration should we parse
 * @return NULL if @a cfg fails to have valid wire details for @a account_name
 */
static json_t *
sepa_get_wire_details (void *cls,
                       const struct GNUNET_CONFIGURATION_Handle *cfg,
                       const char *account_name)
{
  char *sepa_wire_file;
  json_error_t err;
  json_t *ret;

  /* Fetch reply */
  if (GNUNET_OK !=
      GNUNET_CONFIGURATION_get_value_filename (cfg,
                                               account_name,
                                               "SEPA_RESPONSE_FILE",
                                               &sepa_wire_file))
  {
    return NULL;
  }
  ret = json_load_file (sepa_wire_file,
                        JSON_REJECT_DUPLICATES,
                        &err);
  if (NULL == ret)
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Failed to parse JSON in %s: %s (%s:%u)\n",
                sepa_wire_file,
                err.text,
                err.source,
                err.line);
    GNUNET_free (sepa_wire_file);
    return NULL;
  }
  if (GNUNET_YES != sepa_wire_validate (cls,
                                        ret,
                                        NULL))
  {
    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
                "Failed to validate SEPA data in %s\n",
                sepa_wire_file);
    GNUNET_free (sepa_wire_file);
    json_decref (ret);
    return NULL;
  }
  GNUNET_free (sepa_wire_file);
  return ret;
}


/**
 * Prepare for exeuction of a wire transfer.
 *
 * @param cls the @e cls of this struct with the plugin-specific state
 * @param wire valid wire account information
 * @param amount amount to transfer, already rounded
 * @param wtid wire transfer identifier to use
 * @param psc function to call with the prepared data to persist
 * @param psc_cls closure for @a psc
 * @return NULL on failure
 */
static struct TALER_WIRE_PrepareHandle *
sepa_prepare_wire_transfer (void *cls,
                            const json_t *wire,
                            const struct TALER_Amount *amount,
                            const struct TALER_WireTransferIdentifierRawP *wtid,
                            TALER_WIRE_PrepareTransactionCallback psc,
                            void *psc_cls)
{
  GNUNET_break (0); // FIXME: not implemented
  return NULL;
}


/**
 * Abort preparation of a wire transfer. For example,
 * because we are shutting down.
 *
 * @param cls the @e cls of this struct with the plugin-specific state
 * @param pth preparation to cancel
 */
static void
sepa_prepare_wire_transfer_cancel (void *cls,
                                   struct TALER_WIRE_PrepareHandle *pth)
{
  GNUNET_break (0); // FIXME: not implemented
}


/**
 * Execute a wire transfer.
 *
 * @param cls the @e cls of this struct with the plugin-specific state
 * @param buf buffer with the prepared execution details
 * @param buf_size number of bytes in @a buf
 * @param cc function to call upon success
 * @param cc_cls closure for @a cc
 * @return NULL on error
 */
static struct TALER_WIRE_ExecuteHandle *
sepa_execute_wire_transfer (void *cls,
                            const char *buf,
                            size_t buf_size,
                            TALER_WIRE_ConfirmationCallback cc,
                            void *cc_cls)
{
  GNUNET_break (0); // FIXME: not implemented
  return NULL;
}


/**
 * Abort execution of a wire transfer. For example, because we are
 * shutting down.  Note that if an execution is aborted, it may or
 * may not still succeed. The caller MUST run @e
 * execute_wire_transfer again for the same request as soon as
 * possilbe, to ensure that the request either ultimately succeeds
 * or ultimately fails. Until this has been done, the transaction is
 * in limbo (i.e. may or may not have been committed).
 *
 * @param cls the @e cls of this struct with the plugin-specific state
 * @param eh execution to cancel
 */
static void
sepa_execute_wire_transfer_cancel (void *cls,
                                   struct TALER_WIRE_ExecuteHandle *eh)
{
  GNUNET_break (0); // FIXME: not implemented
}


/**
 * Initialize sepa-wire subsystem.
 *
 * @param cls a configuration instance
 * @return NULL on error, otherwise a `struct TALER_WIRE_Plugin`
 */
void *
libtaler_plugin_wire_sepa_init (void *cls)
{
  struct GNUNET_CONFIGURATION_Handle *cfg = cls;
  struct SepaClosure *sc;
  struct TALER_WIRE_Plugin *plugin;

  sc = GNUNET_new (struct SepaClosure);
  if (NULL != cfg)
    {
      if (GNUNET_OK !=
          GNUNET_CONFIGURATION_get_value_string (cfg,
                                                 "exchange",
                                                 "CURRENCY",
                                                 &sc->currency))
        {
          GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
                                     "exchange",
                                     "CURRENCY");
          GNUNET_free (sc);
          return NULL;
        }
    }
  plugin = GNUNET_new (struct TALER_WIRE_Plugin);
  plugin->cls = sc;
  plugin->amount_round = &sepa_amount_round;
  plugin->get_wire_details = &sepa_get_wire_details;
  plugin->wire_validate = &sepa_wire_validate;
  plugin->prepare_wire_transfer = &sepa_prepare_wire_transfer;
  plugin->prepare_wire_transfer_cancel = &sepa_prepare_wire_transfer_cancel;
  plugin->execute_wire_transfer = &sepa_execute_wire_transfer;
  plugin->execute_wire_transfer_cancel = &sepa_execute_wire_transfer_cancel;
  return plugin;
}


/**
 * Shutdown Sepa wire subsystem.
 *
 * @param cls a `struct TALER_WIRE_Plugin`
 * @return NULL (always)
 */
void *
libtaler_plugin_wire_sepa_done (void *cls)
{
  struct TALER_WIRE_Plugin *plugin = cls;
  struct SepaClosure *sc = plugin->cls;

  GNUNET_free_non_null (sc->currency);
  GNUNET_free (sc);
  GNUNET_free (plugin);
  return NULL;
}

/* end of plugin_wire_sepa.c */