[taler-exchange] 97/130: add wallet for KYC status check

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grothoff pushed a commit to branch master
in repository exchange.

commit f374a5cd381370830e3c5ec685f42c5d00d3a9e5
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Sun Nov 7 17:57:23 2021 +0100

    add wallet for KYC status check
---
 src/include/taler_testing_lib.h             |  15 ++
 src/testing/Makefile.am                     |   1 +
 src/testing/testing_api_cmd_kyc_check_get.c | 252 ++++++++++++++++++++++++++++
 3 files changed, 268 insertions(+)

diff --git a/src/include/taler_testing_lib.h b/src/include/taler_testing_lib.h
index 9eccae00..70643ab1 100644
--- a/src/include/taler_testing_lib.h
+++ b/src/include/taler_testing_lib.h
@@ -2211,6 +2211,20 @@ TALER_TESTING_cmd_wallet_kyc_get (const char *label,
                                   unsigned int expected_response_code);
 
 
+/**
+ * Create a request for an account's KYC status.
+ *
+ * @param label command label.
+ * @param payment_target_reference command with a payment target to query
+ * @param expected_response_code expected HTTP status
+ * @return the command
+ */
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_check_kyc_get (const char *label,
+                                 const char *payment_target_reference,
+                                 unsigned int expected_response_code);
+
+
 /* *** Generic trait logic for implementing traits ********* */
 
 
@@ -2381,6 +2395,7 @@ TALER_TESTING_get_trait (const struct TALER_TESTING_Trait 
*traits,
   op (exchange_bank_account_url, const char *)                     \
   op (taler_uri, const char *)                                     \
   op (payto_uri, const char *)                                     \
+  op (kyc_url, const char *)                                     \
   op (row, const uint64_t)                                         \
   op (payment_target_uuid, const uint64_t)                         \
   op (array_length, const unsigned int)                            \
diff --git a/src/testing/Makefile.am b/src/testing/Makefile.am
index 00244c24..44b858e2 100644
--- a/src/testing/Makefile.am
+++ b/src/testing/Makefile.am
@@ -61,6 +61,7 @@ libtalertesting_la_SOURCES = \
   testing_api_cmd_exec_transfer.c \
   testing_api_cmd_exec_wirewatch.c \
   testing_api_cmd_insert_deposit.c \
+  testing_api_cmd_kyc_check_get.c \
   testing_api_cmd_kyc_wallet_get.c \
   testing_api_cmd_offline_sign_fees.c \
   testing_api_cmd_offline_sign_keys.c \
diff --git a/src/testing/testing_api_cmd_kyc_check_get.c 
b/src/testing/testing_api_cmd_kyc_check_get.c
new file mode 100644
index 00000000..3d35752b
--- /dev/null
+++ b/src/testing/testing_api_cmd_kyc_check_get.c
@@ -0,0 +1,252 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2021 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_kyc_check_get.c
+ * @brief Implement the testing CMDs for the /kyc_check/ GET operations.
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_json_lib.h"
+#include <gnunet/gnunet_curl_lib.h>
+#include "taler_testing_lib.h"
+
+/**
+ * State for a "track transaction" CMD.
+ */
+struct KycCheckGetState
+{
+
+  /**
+   * Command to get a reserve private key from.
+   */
+  const char *payment_target_reference;
+
+  /**
+   * Expected HTTP response code.
+   */
+  unsigned int expected_response_code;
+
+  /**
+   * Set to the KYC URL *if* the exchange replied with
+   * a request for KYC (#MHD_HTTP_ACCEPTED).
+   */
+  char *kyc_url;
+
+  /**
+   * Handle to the "track transaction" pending operation.
+   */
+  struct TALER_EXCHANGE_KycCheckHandle *kwh;
+
+  /**
+   * Interpreter state.
+   */
+  struct TALER_TESTING_Interpreter *is;
+};
+
+
+/**
+ * Handle response to the command.
+ *
+ * @param cls closure.
+ * @param ks GET KYC status response details
+ */
+static void
+check_kyc_cb (void *cls,
+              const struct TALER_EXCHANGE_KycStatus *ks)
+{
+  struct KycCheckGetState *kcg = cls;
+  struct TALER_TESTING_Interpreter *is = kcg->is;
+  struct TALER_TESTING_Command *cmd = &is->commands[is->ip];
+
+  kcg->kwh = NULL;
+  if (kcg->expected_response_code != ks->http_status)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Unexpected response code %u/%d to command %s in %s:%u\n",
+                ks->http_status,
+                (int) ks->ec,
+                cmd->label,
+                __FILE__,
+                __LINE__);
+    TALER_TESTING_interpreter_fail (is);
+    return;
+  }
+  switch (ks->http_status)
+  {
+  case MHD_HTTP_OK:
+    break;
+  case MHD_HTTP_ACCEPTED:
+    kcg->kyc_url = GNUNET_strdup (ks->details.kyc_url);
+    break;
+  case MHD_HTTP_NO_CONTENT:
+    break;
+  default:
+    GNUNET_break (0);
+    break;
+  }
+  TALER_TESTING_interpreter_next (kcg->is);
+}
+
+
+/**
+ * Run the command.
+ *
+ * @param cls closure.
+ * @param cmd the command to execute.
+ * @param is the interpreter state.
+ */
+static void
+check_kyc_run (void *cls,
+               const struct TALER_TESTING_Command *cmd,
+               struct TALER_TESTING_Interpreter *is)
+{
+  struct KycCheckGetState *kcg = cls;
+  const struct TALER_TESTING_Command *res_cmd;
+  const char **payto_uri;
+  const uint64_t *payment_target;
+  struct TALER_PaytoHash h_payto;
+
+  (void) cmd;
+  kcg->is = is;
+  res_cmd = TALER_TESTING_interpreter_lookup_command (kcg->is,
+                                                      kcg->
+                                                      
payment_target_reference);
+  if (NULL == res_cmd)
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (kcg->is);
+    return;
+  }
+  if (GNUNET_OK !=
+      TALER_TESTING_get_trait_payto_uri (res_cmd,
+                                         &payto_uri))
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (kcg->is);
+    return;
+  }
+  if (GNUNET_OK !=
+      TALER_TESTING_get_trait_payment_target_uuid (res_cmd,
+                                                   &payment_target))
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (kcg->is);
+    return;
+  }
+  if ( (NULL == *payto_uri) ||
+       (0 == *payment_target) )
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (kcg->is);
+    return;
+  }
+  TALER_payto_hash (*payto_uri,
+                    &h_payto);
+  kcg->kwh = TALER_EXCHANGE_kyc_check (is->exchange,
+                                       *payment_target,
+                                       &h_payto,
+                                       GNUNET_TIME_UNIT_SECONDS,
+                                       &check_kyc_cb,
+                                       kcg);
+  GNUNET_assert (NULL != kcg->kwh);
+}
+
+
+/**
+ * Cleanup the state from a "track transaction" CMD, and possibly
+ * cancel a operation thereof.
+ *
+ * @param cls closure.
+ * @param cmd the command which is being cleaned up.
+ */
+static void
+check_kyc_cleanup (void *cls,
+                   const struct TALER_TESTING_Command *cmd)
+{
+  struct KycCheckGetState *kcg = cls;
+
+  if (NULL != kcg->kwh)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Command %u (%s) did not complete\n",
+                kcg->is->ip,
+                cmd->label);
+    TALER_EXCHANGE_kyc_check_cancel (kcg->kwh);
+    kcg->kwh = NULL;
+  }
+  GNUNET_free (kcg->kyc_url);
+  GNUNET_free (kcg);
+}
+
+
+/**
+ * Offer internal data from a "check KYC" CMD.
+ *
+ * @param cls closure.
+ * @param[out] ret result (could be anything).
+ * @param trait name of the trait.
+ * @param index index number of the object to offer.
+ * @return #GNUNET_OK on success.
+ */
+static enum GNUNET_GenericReturnValue
+check_kyc_traits (void *cls,
+                  const void **ret,
+                  const char *trait,
+                  unsigned int index)
+{
+  struct KycCheckGetState *kcg = cls;
+  struct TALER_TESTING_Trait traits[] = {
+    TALER_TESTING_make_trait_kyc_url (
+      (const char **) &kcg->kyc_url),
+    TALER_TESTING_trait_end ()
+  };
+
+  return TALER_TESTING_get_trait (traits,
+                                  ret,
+                                  trait,
+                                  index);
+}
+
+
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_check_kyc_get (const char *label,
+                                 const char *payment_target_reference,
+                                 unsigned int expected_response_code)
+{
+  struct KycCheckGetState *kcg;
+
+  kcg = GNUNET_new (struct KycCheckGetState);
+  kcg->payment_target_reference = payment_target_reference;
+  kcg->expected_response_code = expected_response_code;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = kcg,
+      .label = label,
+      .run = &check_kyc_run,
+      .cleanup = &check_kyc_cleanup,
+      .traits = &check_kyc_traits
+    };
+
+    return cmd;
+  }
+}
+
+
+/* end of testing_api_cmd_kyc_check_get.c */

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