Fix benchmark.

Importing the _merchant_ benchmark source file here and
including it into the compilation system.

2 files changed, 819 insertions, 1 deletions

diff --git a/src/benchmark/Makefile.am b/src/benchmark/Makefile.am
index d8c1f1642..a0589f155 100644
--- a/src/benchmark/Makefile.am
+++ b/src/benchmark/Makefile.am
@@ -10,7 +10,7 @@ bin_PROGRAMS = \
   taler-exchange-benchmark
 
 taler_exchange_benchmark_SOURCES = \
-  taler-exchange-benchmark.c
+  taler-exchange-benchmark-new.c
 taler_exchange_benchmark_LDADD = \
   $(LIBGCRYPT_LIBS) \
   $(top_builddir)/src/json/libtalerjson.la \
diff --git a/src/benchmark/taler-exchange-benchmark-new.c b/src/benchmark/taler-exchange-benchmark-new.c
new file mode 100644
index 000000000..6f4daba6e
--- /dev/null
+++ b/src/benchmark/taler-exchange-benchmark-new.c
@@ -0,0 +1,818 @@
+/*
+  This file is part of TALER
+  (C) 2014-2018 Taler Systems SA
+
+  TALER is free software; you can redistribute it and/or modify it
+  under the terms of the GNU Affero 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 merchant/backend/taler-merchant-httpd.c
+ * @brief HTTP serving layer intended to perform crypto-work and
+ * communication with the exchange
+ * @author Marcello Stanisci
+ */
+
+#include "platform.h"
+#include <taler/taler_util.h>
+#include <taler/taler_signatures.h>
+#include <taler/taler_exchange_service.h>
+#include <taler/taler_json_lib.h>
+#include <gnunet/gnunet_util_lib.h>
+#include <microhttpd.h>
+#include <taler/taler_bank_service.h>
+#include <taler/taler_fakebank_lib.h>
+#include <taler/taler_testing_lib.h>
+#include <taler/taler_testing_bank_lib.h>
+#include <taler/taler_error_codes.h>
+#include "taler_merchant_testing_lib.h"
+
+/* Error codes.  */
+enum PaymentGeneratorError {
+
+  MISSING_MERCHANT_URL = 2,
+  FAILED_TO_LAUNCH_MERCHANT,
+  MISSING_BANK_URL,
+  FAILED_TO_LAUNCH_BANK,
+  BAD_CLI_ARG,
+  BAD_CONFIG_FILE
+};
+
+/* Hard-coded params.  Note, the bank is expected to
+ * have the Tor user with account number 3 and password 'x'.
+ *
+ * This is not a problem _so far_, as the fakebank mocks logins,
+ * and the Python bank makes that account by default.  */
+#define USER_ACCOUNT_NO 3
+#define EXCHANGE_ACCOUNT_NO 2
+#define USER_LOGIN_NAME "Tor"
+#define USER_LOGIN_PASS "x"
+#define EXCHANGE_URL "http://example.com/"
+
+#define FIRST_INSTRUCTION -1
+#define TRACKS_INSTRUCTION 9
+#define TWOCOINS_INSTRUCTION 5
+
+#define CMD_TRANSFER_TO_EXCHANGE(label,amount) \
+   TALER_TESTING_cmd_fakebank_transfer (label, amount, \
+     bank_url, USER_ACCOUNT_NO, EXCHANGE_ACCOUNT_NO, \
+     USER_LOGIN_NAME, USER_LOGIN_PASS, EXCHANGE_URL)
+
+/**
+ * Help string shown if NO subcommand is given on command line.
+ */
+int root_help;
+
+/**
+ * Witnesses if the ordinary cases payment suite should be run.
+ */
+unsigned int ordinary;
+
+/**
+ * Witnesses if the corner cases payment suite should be run.
+ */
+unsigned int corner;
+
+/**
+ * Root help string.
+ */
+char *root_help_str = \
+  "taler-merchant-benchmark\nPopulates production database"
+  " with fake payments.\nMust be used with either 'ordinary'"
+  " or 'corner' sub-commands.\n";
+
+/**
+ * Alternative non default instance.
+ */
+static char *alt_instance;
+
+/**
+ * How many unaggregated payments we want to generate.
+ */
+static unsigned int unaggregated_number = 1;
+
+/**
+ * How many payments that use two coins we want to generate.
+ */
+static unsigned int twocoins_number = 1;
+
+/**
+ * Exit code.
+ */
+static unsigned int result;
+
+/**
+ * Bank process.
+ */
+static struct GNUNET_OS_Process *bankd;
+
+/**
+ * Merchant process.
+ */
+static struct GNUNET_OS_Process *merchantd;
+
+/**
+ * How many payments we want to generate.
+ */
+static unsigned int payments_number = 1;
+
+/**
+ * How many /tracks operation we want to perform.
+ */
+static unsigned int tracks_number = 1;
+
+
+/**
+ * Usually set as ~/.config/taler.net
+ */
+static const char *default_config_file;
+
+/**
+ * Log level used during the run.
+ */
+static char *loglev;
+
+/**
+ * Config filename.
+ */
+static char *cfg_filename;
+
+/**
+ * Bank base URL.
+ */
+static char *bank_url;
+
+/**
+ * Log file.
+ */
+static char *logfile;
+
+/**
+ * Merchant base URL.
+ */
+static char *merchant_url;
+
+/**
+ * Currency used.
+ */
+static char *currency;
+
+/**
+ * Convenience macros to allocate all the currency-dependant
+ * strings;  note that the argument list of the macro is ignored.
+ * It is kept as a way to make the macro more auto-descriptive
+ * where it is called.
+ */
+
+#define ALLOCATE_AMOUNTS(...) \
+  char *CURRENCY_10_02; \
+  char *CURRENCY_10; \
+  char *CURRENCY_9_98; \
+  char *CURRENCY_5_01; \
+  char *CURRENCY_5; \
+  char *CURRENCY_4_99; \
+  char *CURRENCY_0_02; \
+  char *CURRENCY_0_01; \
+  \
+  GNUNET_asprintf (&CURRENCY_10_02, \
+                   "%s:10.02", \
+                   currency); \
+  GNUNET_asprintf (&CURRENCY_10, \
+                   "%s:10", \
+                   currency); \
+  GNUNET_asprintf (&CURRENCY_9_98, \
+                   "%s:9.98", \
+                   currency); \
+  GNUNET_asprintf (&CURRENCY_5_01, \
+                   "%s:5.01", \
+                   currency); \
+  GNUNET_asprintf (&CURRENCY_5, \
+                   "%s:5", \
+                   currency); \
+  GNUNET_asprintf (&CURRENCY_4_99, \
+                   "%s:4.99", \
+                   currency); \
+  GNUNET_asprintf (&CURRENCY_0_02, \
+                   "%s:0.02", \
+                   currency); \
+  GNUNET_asprintf (&CURRENCY_0_01, \
+                   "%s:0.01", \
+                   currency);
+
+#define ALLOCATE_ORDERS(...) \
+  char *order_worth_5; \
+  char *order_worth_5_track; \
+  char *order_worth_5_unaggregated; \
+  char *order_worth_10_2coins; \
+  \
+  GNUNET_asprintf \
+    (&order_worth_5, \
+     "{\"max_fee\":\
+       {\"currency\":\"%s\",\
+        \"value\":0,\
+        \"fraction\":50000000},\
+       \"refund_deadline\":\"\\/Date(0)\\/\",\
+       \"pay_deadline\":\"\\/Date(99999999999)\\/\",\
+       \"amount\":\
+         {\"currency\":\"%s\",\
+          \"value\":5,\
+          \"fraction\":0},\
+        \"summary\": \"merchant-lib testcase\",\
+        \"fulfillment_url\": \"https://example.com/\",\
+        \"products\": [ {\"description\":\"ice cream\",\
+                         \"value\":\"{%s:5}\"} ] }", \
+     currency, \
+     currency, \
+     currency); \
+  GNUNET_asprintf \
+    (&order_worth_5_track, \
+     "{\"max_fee\":\
+       {\"currency\":\"%s\",\
+        \"value\":0,\
+        \"fraction\":50000000},\
+       \"refund_deadline\":\"\\/Date(0)\\/\",\
+       \"pay_deadline\":\"\\/Date(99999999999)\\/\",\
+       \"amount\":\
+         {\"currency\":\"%s\",\
+          \"value\":5,\
+          \"fraction\":0},\
+        \"summary\": \"ice track cream!\",\
+        \"fulfillment_url\": \"https://example.com/\",\
+        \"products\": [ {\"description\":\"ice track cream\",\
+                         \"value\":\"{%s:5}\"} ] }", \
+     currency, \
+     currency, \
+     currency); \
+  GNUNET_asprintf \
+    (&order_worth_5_unaggregated, \
+     "{\"max_fee\":\
+       {\"currency\":\"%s\",\
+        \"value\":0,\
+        \"fraction\":50000000},\
+       \"wire_transfer_delay\":\"\\/Delay(30000)\\/\",\
+       \"refund_deadline\":\"\\/Date(22)\\/\",\
+       \"pay_deadline\":\"\\/Date(1)\\/\",\
+       \"amount\":\
+         {\"currency\":\"%s\",\
+          \"value\":5,\
+          \"fraction\":0},\
+        \"summary\": \"unaggregated deposit!\",\
+        \"fulfillment_url\": \"https://example.com/\",\
+        \"products\": [ {\"description\":\"unaggregated cream\",\
+                         \"value\":\"{%s:5}\"} ] }", \
+     currency, \
+     currency, \
+     currency); \
+  GNUNET_asprintf \
+    (&order_worth_10_2coins, \
+     "{\"max_fee\":\
+       {\"currency\":\"%s\",\
+        \"value\":0,\
+        \"fraction\":50000000},\
+       \"refund_deadline\":\"\\/Date(0)\\/\",\
+       \"pay_deadline\":\"\\/Date(99999999999)\\/\",\
+       \"amount\":\
+         {\"currency\":\"%s\",\
+          \"value\":10,\
+          \"fraction\":0},\
+        \"summary\": \"2-coins payment\",\
+        \"fulfillment_url\": \"https://example.com/\",\
+        \"products\": [ {\"description\":\"2-coins payment\",\
+                         \"value\":\"{%s:10}\"} ] }", \
+     currency, \
+     currency, \
+     currency);
+
+
+/**
+ * Actual commands collection.
+ */
+static void
+run (void *cls,
+     struct TALER_TESTING_Interpreter *is)
+{
+
+  /* Will be freed by testing-lib.  */
+  GNUNET_assert
+    (GNUNET_OK == GNUNET_CURL_append_header
+      (is->ctx, APIKEY_SANDBOX));
+
+  ALLOCATE_AMOUNTS
+      (CURRENCY_10_02,
+       CURRENCY_9_98,
+       CURRENCY_5_01,
+       CURRENCY_5,
+       CURRENCY_4_99,
+       CURRENCY_0_02,
+       CURRENCY_0_01);
+
+  ALLOCATE_ORDERS
+    (order_worth_5,
+     order_worth_5_track,
+     order_worth_5_unaggregated,
+     order_worth_10_2coins);
+
+  struct TALER_TESTING_Command ordinary_commands[] = {
+
+    CMD_TRANSFER_TO_EXCHANGE
+      ("create-reserve-1",
+       CURRENCY_10_02),
+
+    TALER_TESTING_cmd_exec_wirewatch
+      ("wirewatch-1",
+       cfg_filename),
+
+    TALER_TESTING_cmd_withdraw_amount
+      ("withdraw-coin-1",
+       is->exchange, // picks port from config's [exchange].
+       "create-reserve-1",
+       CURRENCY_5,
+       MHD_HTTP_OK),
+
+    TALER_TESTING_cmd_withdraw_amount
+      ("withdraw-coin-2",
+       is->exchange,
+       "create-reserve-1",
+       CURRENCY_5,
+       MHD_HTTP_OK),
+
+    TALER_TESTING_cmd_proposal
+      ("create-proposal-1",
+       merchant_url,
+       is->ctx,
+       MHD_HTTP_OK,
+       order_worth_5,
+       NULL),
+
+    TALER_TESTING_cmd_pay
+      ("deposit-simple",
+       merchant_url,
+       is->ctx,
+       MHD_HTTP_OK,
+       "create-proposal-1",
+       "withdraw-coin-1",
+       CURRENCY_5,
+       CURRENCY_4_99,
+       CURRENCY_0_01),
+
+    TALER_TESTING_cmd_rewind_ip
+      ("rewind-payments",
+       FIRST_INSTRUCTION,
+       &payments_number),
+
+    /* Next proposal-pay cycle will be used by /track CMDs
+     * and so it will not have to be looped over, only /track
+     * CMDs will have to.  */
+
+    TALER_TESTING_cmd_proposal
+      ("create-proposal-2",
+       merchant_url,
+       is->ctx,
+       MHD_HTTP_OK,
+       order_worth_5_track,
+       NULL),
+
+    TALER_TESTING_cmd_pay
+      ("deposit-simple-2",
+       merchant_url,
+       is->ctx,
+       MHD_HTTP_OK,
+       "create-proposal-2",
+       "withdraw-coin-2",
+       CURRENCY_5,
+       CURRENCY_4_99,
+       CURRENCY_0_01),
+
+    /* /track/transaction over deposit-simple-2 */
+
+    TALER_TESTING_cmd_exec_aggregator
+      ("aggregate-1",
+       cfg_filename),
+
+    TALER_TESTING_cmd_merchant_track_transaction
+      ("track-transaction-1",
+       merchant_url,
+       is->ctx,
+       MHD_HTTP_OK,
+       "deposit-simple-2"),
+
+    TALER_TESTING_cmd_merchant_track_transfer
+      ("track-transfer-1",
+       merchant_url,
+       is->ctx,
+       MHD_HTTP_OK,
+       "track-transaction-1"),
+
+    TALER_TESTING_cmd_rewind_ip
+      ("rewind-tracks",
+       TRACKS_INSTRUCTION,
+       &tracks_number),
+
+    TALER_TESTING_cmd_end ()
+  };
+
+  struct TALER_TESTING_Command corner_commands[] = {
+
+    CMD_TRANSFER_TO_EXCHANGE
+      ("create-reserve-1",
+       CURRENCY_5_01),
+
+    TALER_TESTING_cmd_exec_wirewatch
+      ("wirewatch-1",
+       cfg_filename),
+
+    TALER_TESTING_cmd_withdraw_amount
+      ("withdraw-coin-1",
+       is->exchange,
+       "create-reserve-1",
+       CURRENCY_5,
+       MHD_HTTP_OK),
+
+    TALER_TESTING_cmd_proposal
+      ("create-unaggregated-proposal",
+       merchant_url,
+       is->ctx,
+       MHD_HTTP_OK,
+       order_worth_5_unaggregated,
+       alt_instance),
+
+    TALER_TESTING_cmd_pay
+      ("deposit-unaggregated",
+       merchant_url,
+       is->ctx,
+       MHD_HTTP_OK,
+       "create-unaggregated-proposal",
+       "withdraw-coin-1",
+       CURRENCY_5,
+       CURRENCY_4_99,
+       CURRENCY_0_01),
+
+    TALER_TESTING_cmd_rewind_ip
+      ("rewind-unaggregated",
+       FIRST_INSTRUCTION,
+       &unaggregated_number),
+
+    CMD_TRANSFER_TO_EXCHANGE
+      ("create-reserve-2",
+       CURRENCY_10_02),
+
+    TALER_TESTING_cmd_exec_wirewatch
+      ("wirewatch-2",
+       cfg_filename),
+
+    TALER_TESTING_cmd_withdraw_amount
+      ("withdraw-coin-2",
+       is->exchange,
+       "create-reserve-2",
+       CURRENCY_5,
+       MHD_HTTP_OK),
+
+    TALER_TESTING_cmd_withdraw_amount
+      ("withdraw-coin-3",
+       is->exchange,
+       "create-reserve-2",
+       CURRENCY_5,
+       MHD_HTTP_OK),
+
+    TALER_TESTING_cmd_proposal
+      ("create-twocoins-proposal",
+       merchant_url,
+       is->ctx,
+       MHD_HTTP_OK,
+       order_worth_10_2coins,
+       NULL),
+
+    TALER_TESTING_cmd_pay
+      ("deposit-twocoins",
+       merchant_url,
+       is->ctx,
+       MHD_HTTP_OK,
+       "create-twocoins-proposal",
+       "withdraw-coin-2;withdraw-coin-3",
+       CURRENCY_10,
+       CURRENCY_9_98,
+       CURRENCY_0_02),
+
+    TALER_TESTING_cmd_exec_aggregator
+      ("aggregate-twocoins",
+       cfg_filename),
+
+    TALER_TESTING_cmd_rewind_ip
+      ("rewind-twocoins",
+       TWOCOINS_INSTRUCTION,
+       &twocoins_number),
+
+    TALER_TESTING_cmd_end ()
+  };
+
+
+  if (GNUNET_OK == ordinary)
+    TALER_TESTING_run (is,
+                       ordinary_commands);
+
+  if (GNUNET_OK == corner)
+    TALER_TESTING_run (is,
+                       corner_commands);
+  TALER_LOG_ERROR ("Neither ordinary or corner payments"
+                   " were specified to be run.\n");
+
+  result = 1;
+}
+
+/**
+ * Send SIGTERM and wait for process termination.
+ *
+ * @param process process to terminate.
+ */
+void
+terminate_process (struct GNUNET_OS_Process *process)
+{
+  GNUNET_OS_process_kill (process, SIGTERM);
+  GNUNET_OS_process_wait (process);
+  GNUNET_OS_process_destroy (process);
+}
+
+/**
+ * The main function of the serve tool
+ *
+ * @param argc number of arguments from the command line
+ * @param argv command line arguments
+ * @return 0 ok, or `enum PaymentGeneratorError` on error
+ */
+int
+main (int argc,
+      char *const *argv)
+{
+  struct GNUNET_CONFIGURATION_Handle *cfg;
+
+  default_config_file = GNUNET_OS_project_data_get
+    ()->user_config_file;
+
+  loglev = NULL;
+  GNUNET_log_setup ("taler-merchant-benchmark",
+                    loglev,
+                    logfile);
+
+  struct GNUNET_GETOPT_CommandLineOption *options;
+
+  struct GNUNET_GETOPT_CommandLineOption root_options[] = {
+
+    GNUNET_GETOPT_option_cfgfile
+      (&cfg_filename),
+
+    GNUNET_GETOPT_option_version
+      (PACKAGE_VERSION " " VCS_VERSION),
+
+    GNUNET_GETOPT_option_flag
+      ('h',
+       "help",
+       NULL,
+       &root_help),
+
+    GNUNET_GETOPT_OPTION_END
+  };
+
+  struct GNUNET_GETOPT_CommandLineOption corner_options[] = {
+
+    GNUNET_GETOPT_option_help
+      ("Populate databases with corner case payments"),
+
+    GNUNET_GETOPT_option_loglevel
+      (&loglev),
+
+    GNUNET_GETOPT_option_uint
+      ('u',
+       "unaggregated-number",
+       "UN",
+       "will generate UN unaggregated payments, defaults to 1",
+       &unaggregated_number),
+
+    GNUNET_GETOPT_option_uint
+      ('t',
+       "two-coins",
+       "TC",
+       "will perform TC 2-coins payments, defaults to 1",
+       &twocoins_number),
+
+    /**
+     * NOTE: useful when the setup serves merchant
+     * backends via unix domain sockets, since there
+     * is no way - yet? - to get the merchant base url.
+     * Clearly, we could introduce a merchant_base_url
+     * value into the configuration.
+     */
+    GNUNET_GETOPT_option_string
+      ('m',
+       "merchant-url",
+       "MU",
+       "merchant base url, mandatory",
+       &merchant_url),
+
+    GNUNET_GETOPT_option_string
+      ('i',
+       "alt-instance",
+       "AI",
+       "alternative (non default) instance,"
+       " used to provide fresh wire details to"
+       " make unaggregated transactions stay so."
+       " Note, this instance will be given far"
+       " future wire deadline, and so it should"
+       " never author now-deadlined transactions,"
+       " as they would get those far future ones"
+       " aggregated too.",
+       &alt_instance),
+
+    GNUNET_GETOPT_option_string
+      ('b',
+       "bank-url",
+       "BU",
+       "bank base url, mandatory",
+       &bank_url),
+
+    GNUNET_GETOPT_option_string
+      ('l',
+       "logfile",
+       "LF",
+       "will log to file LF",
+       &logfile),
+
+    GNUNET_GETOPT_OPTION_END
+  };
+
+  struct GNUNET_GETOPT_CommandLineOption ordinary_options[] = {
+
+    GNUNET_GETOPT_option_cfgfile
+      (&cfg_filename),
+
+    GNUNET_GETOPT_option_version
+      (PACKAGE_VERSION " " VCS_VERSION),
+
+    GNUNET_GETOPT_option_help
+      ("Generate Taler ordinary payments"
+       " to populate the databases"),
+
+    GNUNET_GETOPT_option_loglevel
+      (&loglev),
+
+    GNUNET_GETOPT_option_uint
+      ('p',
+       "payments-number",
+       "PN",
+       "will generate PN payments, defaults to 1",
+       &payments_number),
+
+    GNUNET_GETOPT_option_uint
+      ('t',
+       "tracks-number",
+       "TN",
+       "will perform TN /track operations, defaults to 1",
+       &tracks_number),
+
+    /**
+     * NOTE: useful when the setup serves merchant
+     * backends via unix domain sockets, since there
+     * is no way - yet? - to get the merchant base url.
+     * Clearly, we could introduce a merchant_base_url
+     * value into the configuration.
+     */
+    GNUNET_GETOPT_option_string
+      ('m',
+       "merchant-url",
+       "MU",
+       "merchant base url, mandatory",
+       &merchant_url),
+
+    GNUNET_GETOPT_option_string
+      ('b',
+       "bank-url",
+       "BU",
+       "bank base url, mandatory",
+       &bank_url),
+
+    GNUNET_GETOPT_option_string
+      ('l',
+       "logfile",
+       "LF",
+       "will log to file LF",
+       &logfile),
+
+    GNUNET_GETOPT_OPTION_END
+  };
+  
+  options = root_options;
+  if (0 == strcmp ("ordinary", argv[1]))
+  {
+    ordinary = GNUNET_YES;
+    options = ordinary_options;
+  }
+  if (0 == strcmp ("corner", argv[1]))
+  {
+    corner = GNUNET_YES;
+    options = corner_options;
+  }
+
+  if (GNUNET_SYSERR != (result = GNUNET_GETOPT_run
+      ("taler-merchant-benchmark",
+       options,
+       argc,
+       argv))) 
+  {
+
+    if (GNUNET_YES == root_help)
+    {
+      fprintf (stdout, root_help_str);
+      return 0;
+    }
+
+    /* --help was given.  */
+    if (0 == result) 
+      return 0;
+  }
+
+  if (-1 == result)
+  {
+    return 1;
+  }
+
+  if ((GNUNET_YES == corner) && (NULL == alt_instance))
+  {
+    fprintf (stderr, "option '-i' is mandatory"
+                     " with sub-command 'corner'!\n");
+    return 1;
+  }
+
+  if (NULL == cfg_filename)
+    cfg_filename = (char *) default_config_file;
+
+  cfg = GNUNET_CONFIGURATION_create ();
+  if (GNUNET_OK != GNUNET_CONFIGURATION_load
+      (cfg,
+       cfg_filename))
+  {
+    TALER_LOG_ERROR ("Could not parse configuration\n");
+    return BAD_CONFIG_FILE;
+  }
+  if (GNUNET_OK != GNUNET_CONFIGURATION_get_value_string
+      (cfg,
+       "taler",
+       "currency",
+       &currency))
+  {
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                               "taler",
+                               "currency");
+    GNUNET_CONFIGURATION_destroy (cfg);
+    return BAD_CONFIG_FILE;
+  }
+  GNUNET_CONFIGURATION_destroy (cfg);
+
+  if (NULL == merchant_url)
+  {
+    TALER_LOG_ERROR ("Option -m is mandatory!\n");
+    return MISSING_MERCHANT_URL;
+  }
+
+  if (NULL == (merchantd = TALER_TESTING_run_merchant
+    (cfg_filename, merchant_url)))
+  {
+    TALER_LOG_ERROR ("Failed to launch the merchant\n");
+    return FAILED_TO_LAUNCH_MERCHANT;
+  }
+
+  if (NULL == bank_url)
+  {
+    TALER_LOG_ERROR ("Option -b is mandatory!\n");
+    terminate_process (merchantd);
+    return MISSING_BANK_URL;
+  }
+
+  if ( NULL == (bankd = TALER_TESTING_run_bank
+    (cfg_filename,
+     bank_url)))
+  {
+    TALER_LOG_ERROR ("Failed to run the bank\n");
+    terminate_process (merchantd);
+    return FAILED_TO_LAUNCH_BANK;
+  }
+
+  result = TALER_TESTING_setup_with_exchange
+    (run,
+     NULL,
+     cfg_filename);
+
+  terminate_process (merchantd);
+  terminate_process (bankd);
+
+  return (GNUNET_OK == result) ? 0 : result;
+}