exchange

Base system with REST service to issue digital coins, run by the payment service provider
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testing_api_cmd_deposit.c (27091B)


      1 /*
      2   This file is part of TALER
      3   Copyright (C) 2018-2024 Taler Systems SA
      4 
      5   TALER is free software; you can redistribute it and/or modify it
      6   under the terms of the GNU General Public License as published by
      7   the Free Software Foundation; either version 3, or (at your
      8   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 GNU
     13   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_deposit.c
     21  * @brief command for testing /deposit.
     22  * @author Marcello Stanisci
     23  */
     24 #include "taler/platform.h"
     25 #include "taler/taler_json_lib.h"
     26 #include <gnunet/gnunet_curl_lib.h>
     27 #include "taler/taler_testing_lib.h"
     28 #include "taler/taler_signatures.h"
     29 #include "taler/backoff.h"
     30 
     31 
     32 /**
     33  * How often do we retry before giving up?
     34  */
     35 #define NUM_RETRIES 5
     36 
     37 /**
     38  * How long do we wait AT MOST when retrying?
     39  */
     40 #define MAX_BACKOFF GNUNET_TIME_relative_multiply ( \
     41           GNUNET_TIME_UNIT_MILLISECONDS, 100)
     42 
     43 
     44 /**
     45  * State for a "deposit" CMD.
     46  */
     47 struct DepositState
     48 {
     49 
     50   /**
     51    * Amount to deposit.
     52    */
     53   struct TALER_Amount amount;
     54 
     55   /**
     56    * Deposit fee.
     57    */
     58   struct TALER_Amount deposit_fee;
     59 
     60   /**
     61    * Reference to any command that is able to provide a coin.
     62    */
     63   const char *coin_reference;
     64 
     65   /**
     66    * If @e coin_reference refers to an operation that generated
     67    * an array of coins, this value determines which coin to pick.
     68    */
     69   unsigned int coin_index;
     70 
     71   /**
     72    * Our coin signature.
     73    */
     74   struct TALER_CoinSpendSignatureP coin_sig;
     75 
     76   /**
     77    * Wire details of who is depositing -- this would be merchant
     78    * wire details in a normal scenario.
     79    */
     80   json_t *wire_details;
     81 
     82   /**
     83    * JSON string describing what a proposal is about.
     84    */
     85   json_t *contract_terms;
     86 
     87   /**
     88    * Refund deadline. Zero for no refunds.
     89    */
     90   struct GNUNET_TIME_Timestamp refund_deadline;
     91 
     92   /**
     93    * Wire deadline.
     94    */
     95   struct GNUNET_TIME_Timestamp wire_deadline;
     96 
     97   /**
     98    * Set (by the interpreter) to a fresh private key.  This
     99    * key will be used to sign the deposit request.
    100    */
    101   union TALER_AccountPrivateKeyP account_priv;
    102 
    103   /**
    104    * Set (by the interpreter) to the public key
    105    * corresponding to @e account_priv.
    106    */
    107   union TALER_AccountPublicKeyP account_pub;
    108 
    109   /**
    110    * Deposit handle while operation is running.
    111    */
    112   struct TALER_EXCHANGE_BatchDepositHandle *dh;
    113 
    114   /**
    115    * Denomination public key of the deposited coin.
    116    */
    117   const struct TALER_EXCHANGE_DenomPublicKey *denom_pub;
    118 
    119   /**
    120    * Timestamp of the /deposit operation in the wallet (contract signing time).
    121    */
    122   struct GNUNET_TIME_Timestamp wallet_timestamp;
    123 
    124   /**
    125    * Interpreter state.
    126    */
    127   struct TALER_TESTING_Interpreter *is;
    128 
    129   /**
    130    * Task scheduled to try later.
    131    */
    132   struct GNUNET_SCHEDULER_Task *retry_task;
    133 
    134   /**
    135    * How long do we wait until we retry?
    136    */
    137   struct GNUNET_TIME_Relative backoff;
    138 
    139   /**
    140    * Expected HTTP response code.
    141    */
    142   unsigned int expected_response_code;
    143 
    144   /**
    145    * How often should we retry on (transient) failures?
    146    */
    147   unsigned int do_retry;
    148 
    149   /**
    150    * Set to true if the /deposit succeeded
    151    * and we now can provide the resulting traits.
    152    */
    153   bool deposit_succeeded;
    154 
    155   /**
    156    * Expected entry in the coin history created by this
    157    * operation.
    158    */
    159   struct TALER_EXCHANGE_CoinHistoryEntry che;
    160 
    161   /**
    162    * When did the exchange receive the deposit?
    163    */
    164   struct GNUNET_TIME_Timestamp exchange_timestamp;
    165 
    166   /**
    167    * Signing key used by the exchange to sign the
    168    * deposit confirmation.
    169    */
    170   struct TALER_ExchangePublicKeyP exchange_pub;
    171 
    172   /**
    173    * Signature from the exchange on the
    174    * deposit confirmation.
    175    */
    176   struct TALER_ExchangeSignatureP exchange_sig;
    177 
    178   /**
    179    * Reference to previous deposit operation.
    180    * Only present if we're supposed to replay the previous deposit.
    181    */
    182   const char *deposit_reference;
    183 
    184   /**
    185    * Did we set the parameters for this deposit command?
    186    *
    187    * When we're referencing another deposit operation,
    188    * this will only be set after the command has been started.
    189    */
    190   bool command_initialized;
    191 
    192   /**
    193    * Reference to fetch the merchant private key from.
    194    * If NULL, we generate our own, fresh merchant key.
    195    */
    196   const char *merchant_priv_reference;
    197 };
    198 
    199 
    200 /**
    201  * Run the command.
    202  *
    203  * @param cls closure.
    204  * @param cmd the command to execute.
    205  * @param is the interpreter state.
    206  */
    207 static void
    208 deposit_run (void *cls,
    209              const struct TALER_TESTING_Command *cmd,
    210              struct TALER_TESTING_Interpreter *is);
    211 
    212 
    213 /**
    214  * Task scheduled to re-try #deposit_run.
    215  *
    216  * @param cls a `struct DepositState`
    217  */
    218 static void
    219 do_retry (void *cls)
    220 {
    221   struct DepositState *ds = cls;
    222 
    223   ds->retry_task = NULL;
    224   TALER_TESTING_touch_cmd (ds->is);
    225   deposit_run (ds,
    226                NULL,
    227                ds->is);
    228 }
    229 
    230 
    231 /**
    232  * Callback to analyze the /deposit response, just used to
    233  * check if the response code is acceptable.
    234  *
    235  * @param cls closure.
    236  * @param dr deposit response details
    237  */
    238 static void
    239 deposit_cb (void *cls,
    240             const struct TALER_EXCHANGE_BatchDepositResult *dr)
    241 {
    242   struct DepositState *ds = cls;
    243 
    244   ds->dh = NULL;
    245   if (ds->expected_response_code != dr->hr.http_status)
    246   {
    247     if (0 != ds->do_retry)
    248     {
    249       ds->do_retry--;
    250       if ( (0 == dr->hr.http_status) ||
    251            (TALER_EC_GENERIC_DB_SOFT_FAILURE == dr->hr.ec) ||
    252            (MHD_HTTP_INTERNAL_SERVER_ERROR == dr->hr.http_status) )
    253       {
    254         GNUNET_log (GNUNET_ERROR_TYPE_INFO,
    255                     "Retrying deposit failed with %u/%d\n",
    256                     dr->hr.http_status,
    257                     (int) dr->hr.ec);
    258         /* on DB conflicts, do not use backoff */
    259         if (TALER_EC_GENERIC_DB_SOFT_FAILURE == dr->hr.ec)
    260           ds->backoff = GNUNET_TIME_UNIT_ZERO;
    261         else
    262           ds->backoff = GNUNET_TIME_randomized_backoff (ds->backoff,
    263                                                         MAX_BACKOFF);
    264         TALER_TESTING_inc_tries (ds->is);
    265         GNUNET_assert (NULL == ds->retry_task);
    266         ds->retry_task
    267           = GNUNET_SCHEDULER_add_delayed (ds->backoff,
    268                                           &do_retry,
    269                                           ds);
    270         return;
    271       }
    272     }
    273     TALER_TESTING_unexpected_status_with_body (
    274       ds->is,
    275       dr->hr.http_status,
    276       ds->expected_response_code,
    277       dr->hr.reply);
    278 
    279     return;
    280   }
    281   if (MHD_HTTP_OK == dr->hr.http_status)
    282   {
    283     ds->deposit_succeeded = true;
    284     ds->exchange_timestamp = dr->details.ok.deposit_timestamp;
    285     ds->exchange_pub = *dr->details.ok.exchange_pub;
    286     ds->exchange_sig = *dr->details.ok.exchange_sig;
    287   }
    288   TALER_TESTING_interpreter_next (ds->is);
    289 }
    290 
    291 
    292 /**
    293  * Run the command.
    294  *
    295  * @param cls closure.
    296  * @param cmd the command to execute.
    297  * @param is the interpreter state.
    298  */
    299 static void
    300 deposit_run (void *cls,
    301              const struct TALER_TESTING_Command *cmd,
    302              struct TALER_TESTING_Interpreter *is)
    303 {
    304   struct DepositState *ds = cls;
    305   const struct TALER_TESTING_Command *coin_cmd;
    306   const struct TALER_TESTING_Command *acc_var;
    307   const struct TALER_CoinSpendPrivateKeyP *coin_priv;
    308   struct TALER_CoinSpendPublicKeyP coin_pub;
    309   const struct TALER_AgeCommitmentHashP *phac;
    310   const struct TALER_DenominationSignature *denom_pub_sig;
    311   struct TALER_PrivateContractHashP h_contract_terms;
    312   enum TALER_ErrorCode ec;
    313   struct TALER_WireSaltP wire_salt;
    314   struct TALER_FullPayto payto_uri;
    315   struct GNUNET_JSON_Specification spec[] = {
    316     TALER_JSON_spec_full_payto_uri ("payto_uri",
    317                                     &payto_uri),
    318     GNUNET_JSON_spec_fixed_auto ("salt",
    319                                  &wire_salt),
    320     GNUNET_JSON_spec_end ()
    321   };
    322   const char *exchange_url
    323     = TALER_TESTING_get_exchange_url (is);
    324 
    325   (void) cmd;
    326   if (NULL == exchange_url)
    327   {
    328     GNUNET_break (0);
    329     return;
    330   }
    331   ds->is = is;
    332   if (! GNUNET_TIME_absolute_is_zero (ds->refund_deadline.abs_time))
    333   {
    334     struct GNUNET_TIME_Relative refund_deadline;
    335 
    336     refund_deadline
    337       = GNUNET_TIME_absolute_get_remaining (ds->refund_deadline.abs_time);
    338     ds->wire_deadline
    339       = GNUNET_TIME_relative_to_timestamp (
    340           GNUNET_TIME_relative_multiply (refund_deadline,
    341                                          2));
    342   }
    343   else
    344   {
    345     ds->refund_deadline = ds->wallet_timestamp;
    346     ds->wire_deadline = GNUNET_TIME_timestamp_get ();
    347   }
    348   if (NULL != ds->deposit_reference)
    349   {
    350     /* We're copying another deposit operation, initialize here. */
    351     const struct TALER_TESTING_Command *drcmd;
    352     struct DepositState *ods;
    353 
    354     drcmd = TALER_TESTING_interpreter_lookup_command (is,
    355                                                       ds->deposit_reference);
    356     if (NULL == drcmd)
    357     {
    358       GNUNET_break (0);
    359       TALER_TESTING_interpreter_fail (is);
    360       return;
    361     }
    362     ods = drcmd->cls;
    363     ds->coin_reference = ods->coin_reference;
    364     ds->coin_index = ods->coin_index;
    365     ds->wire_details = json_incref (ods->wire_details);
    366     GNUNET_assert (NULL != ds->wire_details);
    367     ds->contract_terms = json_incref (ods->contract_terms);
    368     ds->wallet_timestamp = ods->wallet_timestamp;
    369     ds->refund_deadline = ods->refund_deadline;
    370     ds->wire_deadline = ods->wire_deadline;
    371     ds->amount = ods->amount;
    372     ds->account_priv = ods->account_priv;
    373     ds->account_pub = ods->account_pub;
    374     ds->command_initialized = true;
    375   }
    376   else if (NULL != ds->merchant_priv_reference)
    377   {
    378     /* We're copying the merchant key from another deposit operation */
    379     const struct TALER_MerchantPrivateKeyP *merchant_priv;
    380     const struct TALER_TESTING_Command *mpcmd;
    381 
    382     mpcmd = TALER_TESTING_interpreter_lookup_command (
    383       is,
    384       ds->merchant_priv_reference);
    385     if (NULL == mpcmd)
    386     {
    387       GNUNET_break (0);
    388       TALER_TESTING_interpreter_fail (is);
    389       return;
    390     }
    391     if ( (GNUNET_OK !=
    392           TALER_TESTING_get_trait_merchant_priv (mpcmd,
    393                                                  &merchant_priv)) )
    394     {
    395       GNUNET_break (0);
    396       TALER_TESTING_interpreter_fail (is);
    397       return;
    398     }
    399     ds->account_priv.merchant_priv = *merchant_priv;
    400     GNUNET_CRYPTO_eddsa_key_get_public (
    401       &ds->account_priv.merchant_priv.eddsa_priv,
    402       &ds->account_pub.merchant_pub.eddsa_pub);
    403   }
    404   else if (NULL != (acc_var
    405                       = TALER_TESTING_interpreter_get_command (
    406                           is,
    407                           "account-priv")))
    408   {
    409     const union TALER_AccountPrivateKeyP *account_priv;
    410 
    411     if ( (GNUNET_OK !=
    412           TALER_TESTING_get_trait_account_priv (acc_var,
    413                                                 &account_priv)) )
    414     {
    415       GNUNET_break (0);
    416       TALER_TESTING_interpreter_fail (is);
    417       return;
    418     }
    419     ds->account_priv = *account_priv;
    420     GNUNET_CRYPTO_eddsa_key_get_public (
    421       &ds->account_priv.merchant_priv.eddsa_priv,
    422       &ds->account_pub.merchant_pub.eddsa_pub);
    423   }
    424   else
    425   {
    426     GNUNET_CRYPTO_eddsa_key_create (
    427       &ds->account_priv.merchant_priv.eddsa_priv);
    428     GNUNET_CRYPTO_eddsa_key_get_public (
    429       &ds->account_priv.merchant_priv.eddsa_priv,
    430       &ds->account_pub.merchant_pub.eddsa_pub);
    431   }
    432   GNUNET_assert (NULL != ds->wire_details);
    433   if (GNUNET_OK !=
    434       GNUNET_JSON_parse (ds->wire_details,
    435                          spec,
    436                          NULL, NULL))
    437   {
    438     json_dumpf (ds->wire_details,
    439                 stderr,
    440                 JSON_INDENT (2));
    441     GNUNET_break (0);
    442     TALER_TESTING_interpreter_fail (is);
    443     return;
    444   }
    445   GNUNET_assert (ds->coin_reference);
    446   coin_cmd = TALER_TESTING_interpreter_lookup_command (is,
    447                                                        ds->coin_reference);
    448   if (NULL == coin_cmd)
    449   {
    450     GNUNET_break (0);
    451     TALER_TESTING_interpreter_fail (is);
    452     return;
    453   }
    454 #if DUMP_CONTRACT
    455   fprintf (stderr,
    456            "Using contract:\n");
    457   json_dumpf (ds->contract_terms,
    458               stderr,
    459               JSON_INDENT (2));
    460 #endif
    461   if (GNUNET_OK !=
    462       TALER_TESTING_get_trait_coin_priv (coin_cmd,
    463                                          ds->coin_index,
    464                                          &coin_priv))
    465   {
    466     GNUNET_break (0);
    467     TALER_TESTING_interpreter_fail (is);
    468     return;
    469   }
    470   if (GNUNET_OK !=
    471       TALER_TESTING_get_trait_h_age_commitment (coin_cmd,
    472                                                 ds->coin_index,
    473                                                 &phac))
    474   {
    475     GNUNET_break (0);
    476     TALER_TESTING_interpreter_fail (is);
    477     return;
    478   }
    479   if (GNUNET_OK !=
    480       TALER_TESTING_get_trait_denom_pub (coin_cmd,
    481                                          ds->coin_index,
    482                                          &ds->denom_pub))
    483   {
    484     GNUNET_break (0);
    485     TALER_TESTING_interpreter_fail (is);
    486     return;
    487   }
    488   if (GNUNET_OK !=
    489       TALER_TESTING_get_trait_denom_sig (coin_cmd,
    490                                          ds->coin_index,
    491                                          &denom_pub_sig))
    492   {
    493     GNUNET_break (0);
    494     TALER_TESTING_interpreter_fail (is);
    495     return;
    496   }
    497   if (GNUNET_OK !=
    498       TALER_JSON_contract_hash (ds->contract_terms,
    499                                 &h_contract_terms))
    500   {
    501     GNUNET_break (0);
    502     TALER_TESTING_interpreter_fail (is);
    503     return;
    504   }
    505 
    506   ds->deposit_fee = ds->denom_pub->fees.deposit;
    507   GNUNET_CRYPTO_eddsa_key_get_public (&coin_priv->eddsa_priv,
    508                                       &coin_pub.eddsa_pub);
    509 
    510   {
    511     struct TALER_MerchantWireHashP h_wire;
    512 
    513     GNUNET_assert (GNUNET_OK ==
    514                    TALER_JSON_merchant_wire_signature_hash (ds->wire_details,
    515                                                             &h_wire));
    516     TALER_wallet_deposit_sign (&ds->amount,
    517                                &ds->denom_pub->fees.deposit,
    518                                &h_wire,
    519                                &h_contract_terms,
    520                                NULL, /* wallet data hash */
    521                                phac,
    522                                NULL, /* hash of extensions */
    523                                &ds->denom_pub->h_key,
    524                                ds->wallet_timestamp,
    525                                &ds->account_pub.merchant_pub,
    526                                ds->refund_deadline,
    527                                coin_priv,
    528                                &ds->coin_sig);
    529     ds->che.type = TALER_EXCHANGE_CTT_DEPOSIT;
    530     ds->che.amount = ds->amount;
    531     ds->che.details.deposit.h_wire = h_wire;
    532     ds->che.details.deposit.h_contract_terms = h_contract_terms;
    533     ds->che.details.deposit.no_h_policy = true;
    534     ds->che.details.deposit.no_wallet_data_hash = true;
    535     ds->che.details.deposit.wallet_timestamp = ds->wallet_timestamp;
    536     ds->che.details.deposit.merchant_pub = ds->account_pub.merchant_pub;
    537     ds->che.details.deposit.refund_deadline = ds->refund_deadline;
    538     ds->che.details.deposit.sig = ds->coin_sig;
    539     ds->che.details.deposit.no_hac = true;
    540     ds->che.details.deposit.deposit_fee = ds->denom_pub->fees.deposit;
    541   }
    542   GNUNET_assert (NULL == ds->dh);
    543   {
    544     struct TALER_EXCHANGE_CoinDepositDetail cdd = {
    545       .amount = ds->amount,
    546       .coin_pub = coin_pub,
    547       .coin_sig = ds->coin_sig,
    548       .denom_sig = *denom_pub_sig,
    549       .h_denom_pub = ds->denom_pub->h_key,
    550       .h_age_commitment = {{{0}}},
    551     };
    552     struct TALER_EXCHANGE_DepositContractDetail dcd = {
    553       .wire_deadline = ds->wire_deadline,
    554       .merchant_payto_uri = payto_uri,
    555       .wire_salt = wire_salt,
    556       .h_contract_terms = h_contract_terms,
    557       .wallet_timestamp = ds->wallet_timestamp,
    558       .merchant_pub = ds->account_pub.merchant_pub,
    559       .refund_deadline = ds->refund_deadline
    560     };
    561 
    562     TALER_merchant_contract_sign (&h_contract_terms,
    563                                   &ds->account_priv.merchant_priv,
    564                                   &dcd.merchant_sig);
    565     if (NULL != phac)
    566       cdd.h_age_commitment = *phac;
    567 
    568     ds->dh = TALER_EXCHANGE_batch_deposit (
    569       TALER_TESTING_interpreter_get_context (is),
    570       exchange_url,
    571       TALER_TESTING_get_keys (is),
    572       &dcd,
    573       1,
    574       &cdd,
    575       &deposit_cb,
    576       ds,
    577       &ec);
    578   }
    579   if (NULL == ds->dh)
    580   {
    581     GNUNET_break (0);
    582     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
    583                 "Could not create deposit with EC %d\n",
    584                 (int) ec);
    585     TALER_TESTING_interpreter_fail (is);
    586     return;
    587   }
    588 }
    589 
    590 
    591 /**
    592  * Free the state of a "deposit" CMD, and possibly cancel a
    593  * pending operation thereof.
    594  *
    595  * @param cls closure, must be a `struct DepositState`.
    596  * @param cmd the command which is being cleaned up.
    597  */
    598 static void
    599 deposit_cleanup (void *cls,
    600                  const struct TALER_TESTING_Command *cmd)
    601 {
    602   struct DepositState *ds = cls;
    603 
    604   if (NULL != ds->dh)
    605   {
    606     TALER_TESTING_command_incomplete (ds->is,
    607                                       cmd->label);
    608     TALER_EXCHANGE_batch_deposit_cancel (ds->dh);
    609     ds->dh = NULL;
    610   }
    611   if (NULL != ds->retry_task)
    612   {
    613     GNUNET_SCHEDULER_cancel (ds->retry_task);
    614     ds->retry_task = NULL;
    615   }
    616   json_decref (ds->wire_details);
    617   json_decref (ds->contract_terms);
    618   GNUNET_free (ds);
    619 }
    620 
    621 
    622 /**
    623  * Offer internal data from a "deposit" CMD, to other commands.
    624  *
    625  * @param cls closure.
    626  * @param[out] ret result.
    627  * @param trait name of the trait.
    628  * @param index index number of the object to offer.
    629  * @return #GNUNET_OK on success.
    630  */
    631 static enum GNUNET_GenericReturnValue
    632 deposit_traits (void *cls,
    633                 const void **ret,
    634                 const char *trait,
    635                 unsigned int index)
    636 {
    637   struct DepositState *ds = cls;
    638   const struct TALER_TESTING_Command *coin_cmd;
    639   /* Will point to coin cmd internals. */
    640   const struct TALER_CoinSpendPrivateKeyP *coin_spent_priv;
    641   struct TALER_CoinSpendPublicKeyP coin_spent_pub;
    642   const struct TALER_AgeCommitmentProof *age_commitment_proof=NULL;
    643   const struct TALER_AgeCommitmentHashP *h_age_commitment=NULL;
    644 
    645   if (! ds->command_initialized)
    646   {
    647     /* No access to traits yet. */
    648     GNUNET_break (0);
    649     return GNUNET_NO;
    650   }
    651 
    652   coin_cmd
    653     = TALER_TESTING_interpreter_lookup_command (ds->is,
    654                                                 ds->coin_reference);
    655   if (NULL == coin_cmd)
    656   {
    657     GNUNET_break (0);
    658     TALER_TESTING_interpreter_fail (ds->is);
    659     return GNUNET_NO;
    660   }
    661   if ( (GNUNET_OK !=
    662         TALER_TESTING_get_trait_coin_priv (coin_cmd,
    663                                            ds->coin_index,
    664                                            &coin_spent_priv)) ||
    665        (GNUNET_OK !=
    666         TALER_TESTING_get_trait_age_commitment_proof (coin_cmd,
    667                                                       ds->coin_index,
    668                                                       &age_commitment_proof)) ||
    669        (GNUNET_OK !=
    670         TALER_TESTING_get_trait_h_age_commitment (coin_cmd,
    671                                                   ds->coin_index,
    672                                                   &h_age_commitment)) )
    673   {
    674     GNUNET_break (0);
    675     TALER_TESTING_interpreter_fail (ds->is);
    676     return GNUNET_NO;
    677   }
    678 
    679   GNUNET_CRYPTO_eddsa_key_get_public (&coin_spent_priv->eddsa_priv,
    680                                       &coin_spent_pub.eddsa_pub);
    681 
    682   {
    683     struct TALER_TESTING_Trait traits[] = {
    684       /* First two traits are only available if
    685          ds->traits is true */
    686       TALER_TESTING_make_trait_exchange_pub (0,
    687                                              &ds->exchange_pub),
    688       TALER_TESTING_make_trait_exchange_sig (0,
    689                                              &ds->exchange_sig),
    690       /* These traits are always available */
    691       TALER_TESTING_make_trait_coin_history (0,
    692                                              &ds->che),
    693       TALER_TESTING_make_trait_coin_priv (0,
    694                                           coin_spent_priv),
    695       TALER_TESTING_make_trait_coin_pub (0,
    696                                          &coin_spent_pub),
    697       TALER_TESTING_make_trait_denom_pub (0,
    698                                           ds->denom_pub),
    699       TALER_TESTING_make_trait_coin_sig (0,
    700                                          &ds->coin_sig),
    701       TALER_TESTING_make_trait_age_commitment_proof (0,
    702                                                      age_commitment_proof),
    703       TALER_TESTING_make_trait_h_age_commitment (0,
    704                                                  h_age_commitment),
    705       TALER_TESTING_make_trait_wire_details (ds->wire_details),
    706       TALER_TESTING_make_trait_contract_terms (ds->contract_terms),
    707       TALER_TESTING_make_trait_merchant_priv (&ds->account_priv.merchant_priv),
    708       TALER_TESTING_make_trait_merchant_pub (&ds->account_pub.merchant_pub),
    709       TALER_TESTING_make_trait_account_priv (&ds->account_priv),
    710       TALER_TESTING_make_trait_account_pub (&ds->account_pub),
    711       TALER_TESTING_make_trait_deposit_amount (0,
    712                                                &ds->amount),
    713       TALER_TESTING_make_trait_deposit_fee_amount (0,
    714                                                    &ds->deposit_fee),
    715       TALER_TESTING_make_trait_timestamp (0,
    716                                           &ds->exchange_timestamp),
    717       TALER_TESTING_make_trait_wire_deadline (0,
    718                                               &ds->wire_deadline),
    719       TALER_TESTING_make_trait_refund_deadline (0,
    720                                                 &ds->refund_deadline),
    721       TALER_TESTING_trait_end ()
    722     };
    723 
    724     return TALER_TESTING_get_trait ((ds->deposit_succeeded)
    725                                     ? traits
    726                                     : &traits[2],
    727                                     ret,
    728                                     trait,
    729                                     index);
    730   }
    731 }
    732 
    733 
    734 struct TALER_TESTING_Command
    735 TALER_TESTING_cmd_deposit (
    736   const char *label,
    737   const char *coin_reference,
    738   unsigned int coin_index,
    739   struct TALER_FullPayto target_account_payto,
    740   const char *contract_terms,
    741   struct GNUNET_TIME_Relative refund_deadline,
    742   const char *amount,
    743   unsigned int expected_response_code)
    744 {
    745   struct DepositState *ds;
    746 
    747   ds = GNUNET_new (struct DepositState);
    748   ds->coin_reference = coin_reference;
    749   ds->coin_index = coin_index;
    750   ds->wire_details = TALER_TESTING_make_wire_details (target_account_payto);
    751   GNUNET_assert (NULL != ds->wire_details);
    752   ds->contract_terms = json_loads (contract_terms,
    753                                    JSON_REJECT_DUPLICATES,
    754                                    NULL);
    755   if (NULL == ds->contract_terms)
    756   {
    757     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
    758                 "Failed to parse contract terms `%s' for CMD `%s'\n",
    759                 contract_terms,
    760                 label);
    761     GNUNET_assert (0);
    762   }
    763   ds->wallet_timestamp = GNUNET_TIME_timestamp_get ();
    764   GNUNET_assert (0 ==
    765                  json_object_set_new (ds->contract_terms,
    766                                       "timestamp",
    767                                       GNUNET_JSON_from_timestamp (
    768                                         ds->wallet_timestamp)));
    769   if (! GNUNET_TIME_relative_is_zero (refund_deadline))
    770   {
    771     ds->refund_deadline = GNUNET_TIME_relative_to_timestamp (refund_deadline);
    772     GNUNET_assert (0 ==
    773                    json_object_set_new (ds->contract_terms,
    774                                         "refund_deadline",
    775                                         GNUNET_JSON_from_timestamp (
    776                                           ds->refund_deadline)));
    777   }
    778   GNUNET_assert (GNUNET_OK ==
    779                  TALER_string_to_amount (amount,
    780                                          &ds->amount));
    781   ds->expected_response_code = expected_response_code;
    782   ds->command_initialized = true;
    783   {
    784     struct TALER_TESTING_Command cmd = {
    785       .cls = ds,
    786       .label = label,
    787       .run = &deposit_run,
    788       .cleanup = &deposit_cleanup,
    789       .traits = &deposit_traits
    790     };
    791 
    792     return cmd;
    793   }
    794 }
    795 
    796 
    797 struct TALER_TESTING_Command
    798 TALER_TESTING_cmd_deposit_with_ref (
    799   const char *label,
    800   const char *coin_reference,
    801   unsigned int coin_index,
    802   struct TALER_FullPayto target_account_payto,
    803   const char *contract_terms,
    804   struct GNUNET_TIME_Relative refund_deadline,
    805   const char *amount,
    806   unsigned int expected_response_code,
    807   const char *merchant_priv_reference)
    808 {
    809   struct DepositState *ds;
    810 
    811   ds = GNUNET_new (struct DepositState);
    812   ds->merchant_priv_reference = merchant_priv_reference;
    813   ds->coin_reference = coin_reference;
    814   ds->coin_index = coin_index;
    815   ds->wire_details = TALER_TESTING_make_wire_details (target_account_payto);
    816   GNUNET_assert (NULL != ds->wire_details);
    817   ds->contract_terms = json_loads (contract_terms,
    818                                    JSON_REJECT_DUPLICATES,
    819                                    NULL);
    820   if (NULL == ds->contract_terms)
    821   {
    822     GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
    823                 "Failed to parse contract terms `%s' for CMD `%s'\n",
    824                 contract_terms,
    825                 label);
    826     GNUNET_assert (0);
    827   }
    828   ds->wallet_timestamp = GNUNET_TIME_timestamp_get ();
    829   GNUNET_assert (0 ==
    830                  json_object_set_new (ds->contract_terms,
    831                                       "timestamp",
    832                                       GNUNET_JSON_from_timestamp (
    833                                         ds->wallet_timestamp)));
    834   if (0 != refund_deadline.rel_value_us)
    835   {
    836     ds->refund_deadline = GNUNET_TIME_relative_to_timestamp (refund_deadline);
    837     GNUNET_assert (0 ==
    838                    json_object_set_new (ds->contract_terms,
    839                                         "refund_deadline",
    840                                         GNUNET_JSON_from_timestamp (
    841                                           ds->refund_deadline)));
    842   }
    843   GNUNET_assert (GNUNET_OK ==
    844                  TALER_string_to_amount (amount,
    845                                          &ds->amount));
    846   ds->expected_response_code = expected_response_code;
    847   ds->command_initialized = true;
    848   {
    849     struct TALER_TESTING_Command cmd = {
    850       .cls = ds,
    851       .label = label,
    852       .run = &deposit_run,
    853       .cleanup = &deposit_cleanup,
    854       .traits = &deposit_traits
    855     };
    856 
    857     return cmd;
    858   }
    859 }
    860 
    861 
    862 struct TALER_TESTING_Command
    863 TALER_TESTING_cmd_deposit_replay (
    864   const char *label,
    865   const char *deposit_reference,
    866   unsigned int expected_response_code)
    867 {
    868   struct DepositState *ds;
    869 
    870   ds = GNUNET_new (struct DepositState);
    871   ds->deposit_reference = deposit_reference;
    872   ds->expected_response_code = expected_response_code;
    873   {
    874     struct TALER_TESTING_Command cmd = {
    875       .cls = ds,
    876       .label = label,
    877       .run = &deposit_run,
    878       .cleanup = &deposit_cleanup,
    879       .traits = &deposit_traits
    880     };
    881 
    882     return cmd;
    883   }
    884 }
    885 
    886 
    887 struct TALER_TESTING_Command
    888 TALER_TESTING_cmd_deposit_with_retry (struct TALER_TESTING_Command cmd)
    889 {
    890   struct DepositState *ds;
    891 
    892   GNUNET_assert (&deposit_run == cmd.run);
    893   ds = cmd.cls;
    894   ds->do_retry = NUM_RETRIES;
    895   return cmd;
    896 }
    897 
    898 
    899 /* end of testing_api_cmd_deposit.c */