[taler-exchange] branch master updated: add cmd to set wire fees / provide master_sig

[gnunet]

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grothoff pushed a commit to branch master
in repository exchange.

The following commit(s) were added to refs/heads/master by this push:
     new 9ee7d665 add cmd to set wire fees / provide master_sig
9ee7d665 is described below

commit 9ee7d665bdf39716b4a3b2b0a528d4bd68fdef1a
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Mon Nov 30 14:24:58 2020 +0100

    add cmd to set wire fees / provide master_sig
---
 src/testing/Makefile.am                    |   1 +
 src/testing/testing_api_cmd_set_wire_fee.c | 325 +++++++++++++++++++++++++++++
 2 files changed, 326 insertions(+)

diff --git a/src/testing/Makefile.am b/src/testing/Makefile.am
index 4ba7fe74..aecbacad 100644
--- a/src/testing/Makefile.am
+++ b/src/testing/Makefile.am
@@ -61,6 +61,7 @@ libtalertesting_la_SOURCES = \
   testing_api_cmd_exec_wirewatch.c \
   testing_api_cmd_insert_deposit.c \
   testing_api_cmd_offline_sign_keys.c \
+  testing_api_cmd_set_wire_fee.c \
   testing_api_cmd_recoup.c \
   testing_api_cmd_refund.c \
   testing_api_cmd_refresh.c \
diff --git a/src/testing/testing_api_cmd_set_wire_fee.c 
b/src/testing/testing_api_cmd_set_wire_fee.c
new file mode 100644
index 00000000..f72768d0
--- /dev/null
+++ b/src/testing/testing_api_cmd_set_wire_fee.c
@@ -0,0 +1,325 @@
+/*
+  This file is part of TALER
+  Copyright (C) 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_set_wire_fee.c
+ * @brief command for testing POST to /management/wire-fees
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_json_lib.h"
+#include <gnunet/gnunet_curl_lib.h>
+#include "taler_testing_lib.h"
+#include "taler_signatures.h"
+#include "backoff.h"
+
+
+/**
+ * State for a "wire_add" CMD.
+ */
+struct WireFeeState
+{
+
+  /**
+   * Wire enable handle while operation is running.
+   */
+  struct TALER_EXCHANGE_ManagementSetWireFeeHandle *dh;
+
+  /**
+   * Our interpreter.
+   */
+  struct TALER_TESTING_Interpreter *is;
+
+  /**
+   * Wire method to configure fee for.
+   */
+  const char *wire_method;
+
+  /**
+   * Wire fee amount to use.
+   */
+  const char *wire_fee;
+
+  /**
+   * Closing fee amount to use.
+   */
+  const char *closing_fee;
+
+  /**
+   * Expected HTTP response code.
+   */
+  unsigned int expected_response_code;
+
+  /**
+   * Should we make the request with a bad master_sig signature?
+   */
+  bool bad_sig;
+};
+
+
+/**
+ * Callback to analyze the /management/wire response, just used to check
+ * if the response code is acceptable.
+ *
+ * @param cls closure.
+ * @param hr HTTP response details
+ */
+static void
+wire_add_cb (void *cls,
+             const struct TALER_EXCHANGE_HttpResponse *hr)
+{
+  struct WireFeeState *ds = cls;
+
+  ds->dh = NULL;
+  if (ds->expected_response_code != hr->http_status)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                "Unexpected response code %u to command %s in %s:%u\n",
+                hr->http_status,
+                ds->is->commands[ds->is->ip].label,
+                __FILE__,
+                __LINE__);
+    json_dumpf (hr->reply,
+                stderr,
+                0);
+    TALER_TESTING_interpreter_fail (ds->is);
+    return;
+  }
+  TALER_TESTING_interpreter_next (ds->is);
+}
+
+
+/**
+ * Run the command.
+ *
+ * @param cls closure.
+ * @param cmd the command to execute.
+ * @param is the interpreter state.
+ */
+static void
+wire_add_run (void *cls,
+              const struct TALER_TESTING_Command *cmd,
+              struct TALER_TESTING_Interpreter *is)
+{
+  struct WireFeeState *ds = cls;
+  char *exchange_url;
+  struct TALER_MasterSignatureP master_sig;
+  struct GNUNET_TIME_Absolute now;
+  struct GNUNET_TIME_Absolute start_time;
+  struct GNUNET_TIME_Absolute end_time;
+  struct TALER_Amount wire_fee;
+  struct TALER_Amount closing_fee;
+
+  (void) cmd;
+  ds->is = is;
+  now = GNUNET_TIME_absolute_get ();
+  (void) GNUNET_TIME_round_abs (&now);
+  start_time = GNUNET_TIME_absolute_subtract (now,
+                                              GNUNET_TIME_UNIT_HOURS);
+  end_time = GNUNET_TIME_absolute_add (now,
+                                       GNUNET_TIME_UNIT_HOURS);
+  if ( (GNUNET_OK !=
+        TALER_string_to_amount (ds->closing_fee,
+                                &closing_fee)) ||
+       (GNUNET_OK !=
+        TALER_string_to_amount (ds->wire_fee,
+                                &wire_fee)) )
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (is);
+    return;
+  }
+
+  if (ds->bad_sig)
+  {
+    memset (&master_sig,
+            42,
+            sizeof (master_sig));
+  }
+  else
+  {
+    char *fn;
+    struct TALER_MasterPrivateKeyP master_priv;
+
+    if (GNUNET_OK !=
+        GNUNET_CONFIGURATION_get_value_filename (is->cfg,
+                                                 "exchange-offline",
+                                                 "MASTER_PRIV_FILE",
+                                                 &fn))
+    {
+      GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                                 "exchange-offline",
+                                 "MASTER_PRIV_FILE");
+      TALER_TESTING_interpreter_next (ds->is);
+      return;
+    }
+    if (GNUNET_SYSERR ==
+        GNUNET_DISK_directory_create_for_file (fn))
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                  "Could not setup directory for master private key file 
`%s'\n",
+                  fn);
+      GNUNET_free (fn);
+      TALER_TESTING_interpreter_next (ds->is);
+      return;
+    }
+    if (GNUNET_OK !=
+        GNUNET_CRYPTO_eddsa_key_from_file (fn,
+                                           GNUNET_YES,
+                                           &master_priv.eddsa_priv))
+    {
+      GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
+                  "Could not load master private key from `%s'\n",
+                  fn);
+      GNUNET_free (fn);
+      TALER_TESTING_interpreter_next (ds->is);
+      return;
+    }
+    GNUNET_free (fn);
+
+    /* now sign */
+    {
+      struct TALER_MasterWireFeePS kv = {
+        .purpose.purpose = htonl (TALER_SIGNATURE_MASTER_WIRE_FEES),
+        .purpose.size = htonl (sizeof (kv)),
+        .start_date = GNUNET_TIME_absolute_hton (start_time),
+        .end_date = GNUNET_TIME_absolute_hton (end_time),
+      };
+
+      GNUNET_CRYPTO_hash (ds->wire_method,
+                          strlen (ds->wire_method) + 1,
+                          &kv.h_wire_method);
+      TALER_amount_hton (&kv.wire_fee,
+                         &wire_fee);
+      TALER_amount_hton (&kv.closing_fee,
+                         &closing_fee);
+      GNUNET_CRYPTO_eddsa_sign (&master_priv.eddsa_priv,
+                                &kv,
+                                &master_sig.eddsa_signature);
+    }
+  }
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_string (is->cfg,
+                                             "exchange",
+                                             "BASE_URL",
+                                             &exchange_url))
+  {
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                               "exchange",
+                               "BASE_URL");
+    TALER_TESTING_interpreter_next (ds->is);
+    return;
+  }
+  ds->dh = TALER_EXCHANGE_management_set_wire_fees (
+    is->ctx,
+    exchange_url,
+    ds->wire_method,
+    start_time,
+    end_time,
+    &wire_fee,
+    &closing_fee,
+    &master_sig,
+    &wire_add_cb,
+    ds);
+  GNUNET_free (exchange_url);
+  if (NULL == ds->dh)
+  {
+    GNUNET_break (0);
+    TALER_TESTING_interpreter_fail (is);
+    return;
+  }
+}
+
+
+/**
+ * Free the state of a "wire_add" CMD, and possibly cancel a
+ * pending operation thereof.
+ *
+ * @param cls closure, must be a `struct WireFeeState`.
+ * @param cmd the command which is being cleaned up.
+ */
+static void
+wire_add_cleanup (void *cls,
+                  const struct TALER_TESTING_Command *cmd)
+{
+  struct WireFeeState *ds = cls;
+
+  if (NULL != ds->dh)
+  {
+    GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+                "Command %u (%s) did not complete\n",
+                ds->is->ip,
+                cmd->label);
+    TALER_EXCHANGE_management_set_wire_fees_cancel (ds->dh);
+    ds->dh = NULL;
+  }
+  GNUNET_free (ds);
+}
+
+
+/**
+ * Offer internal data from a "wire_add" CMD, to other commands.
+ *
+ * @param cls closure.
+ * @param[out] ret result.
+ * @param trait name of the trait.
+ * @param index index number of the object to offer.
+ *
+ * @return #GNUNET_OK on success.
+ */
+static int
+wire_add_traits (void *cls,
+                 const void **ret,
+                 const char *trait,
+                 unsigned int index)
+{
+  return GNUNET_NO;
+}
+
+
+struct TALER_TESTING_Command
+TALER_TESTING_cmd_set_wire_fee (const char *label,
+                                const char *wire_method,
+                                const char *wire_fee,
+                                const char *closing_fee,
+                                unsigned int expected_http_status,
+                                bool bad_sig)
+{
+  struct WireFeeState *ds;
+
+  ds = GNUNET_new (struct WireFeeState);
+  ds->expected_response_code = expected_http_status;
+  ds->bad_sig = bad_sig;
+  ds->wire_method = wire_method;
+  ds->wire_fee = wire_fee;
+  ds->closing_fee = closing_fee;
+  {
+    struct TALER_TESTING_Command cmd = {
+      .cls = ds,
+      .label = label,
+      .run = &wire_add_run,
+      .cleanup = &wire_add_cleanup,
+      .traits = &wire_add_traits
+    };
+
+    return cmd;
+  }
+}
+
+
+/* end of testing_api_cmd_set_wire_fee.c */

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