use TALER_config_get_amount() consistently, require currency rounding option to exist instead of defaulting

src/auditor/taler-auditor.c

@@ -5258,28 +5258,14 @@ run (void *cls,
     return;
   }
   {
-    char *rounding_str;
     if (GNUNET_OK !=
-        GNUNET_CONFIGURATION_get_value_string (cfg,
+        TALER_config_get_amount (cfg,
                                  "taler",
                                  "CURRENCY_ROUND_UNIT",
-                                               &rounding_str))
-    {
-      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
-                  "No [taler]/CURRENCY_ROUND_UNIT specified, defaulting to '0.01'.\n");
-      GNUNET_assert (GNUNET_OK ==
-                     TALER_amount_get_zero (currency,
-                                            &currency_round_unit));
-      currency_round_unit.fraction = TALER_AMOUNT_FRAC_BASE / 100;
-    }
-    else if (GNUNET_OK !=
-             TALER_string_to_amount (rounding_str,
                                  &currency_round_unit))
     {
       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                  "Invalid amount `%s' specified in `TALER' under `CURRENCY_ROUND_UNIT'\n",
+                  "Invalid or missing amount in `TALER' under `CURRENCY_ROUND_UNIT'\n");
-                  rounding_str);
-      GNUNET_free (rounding_str);
       global_ret = 1;
       return;
     }

src/auditor/taler-wire-auditor.c

@@ -2103,7 +2103,6 @@ run (void *cls,
      const struct GNUNET_CONFIGURATION_Handle *c)
 {
   static const struct TALER_MasterPublicKeyP zeromp;
-  char *tinys;
 
   (void) cls;
   (void) args;
@@ -2113,22 +2112,11 @@ run (void *cls,
   start_time = GNUNET_TIME_absolute_get ();
   cfg = c;
   if (GNUNET_OK !=
-      GNUNET_CONFIGURATION_get_value_string (cfg,
+      TALER_config_get_amount (cfg,
                                "auditor",
                                "TINY_AMOUNT",
-                                             &tinys))
-  {
-    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
-                               "auditor",
-                               "TINY_AMOUNT");
-    global_ret = 1;
-    return;
-  }
-  if (GNUNET_OK !=
-      TALER_string_to_amount (tinys,
                                &tiny_amount))
   {
-    GNUNET_free (tinys);
     GNUNET_log_config_invalid (GNUNET_ERROR_TYPE_ERROR,
                                "auditor",
                                "TINY_AMOUNT",
@@ -2136,7 +2124,6 @@ run (void *cls,
     global_ret = 1;
     return;
   }
-  GNUNET_free (tinys);
   if (0 == GNUNET_memcmp (&zeromp,
                           &master_pub))
   {

src/exchange-tools/taler-exchange-keyup.c

@@ -163,6 +163,11 @@ struct CoinTypeParams
 };
 
 
+/**
+ * The configured currency.
+ */
+static char *currency;
+
 /**
  * Filename of the master private key.
  */
@@ -987,7 +992,6 @@ create_wire_fee_for_method (void *cls,
   {
     struct TALER_EXCHANGEDB_AggregateFees *af;
     char *opt;
-    char *amounts;
 
     GNUNET_snprintf (yearstr,
                      sizeof (yearstr),
@@ -1002,68 +1006,44 @@ create_wire_fee_for_method (void *cls,
     GNUNET_asprintf (&opt,
                      "wire-fee-%u",
                      year);
-    if (GNUNET_OK !=
+    if ( (GNUNET_OK !=
-        GNUNET_CONFIGURATION_get_value_string (kcfg,
+          TALER_config_get_amount (kcfg,
                                    section,
                                    opt,
-                                               &amounts))
+                                   &af->wire_fee)) ||
-    {
+         (0 != strcasecmp (currency,
-      GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                           af->wire_fee.currency)) )
-                                 section,
-                                 opt);
-      *ret = GNUNET_SYSERR;
-      GNUNET_free (opt);
-      break;
-    }
-    if (GNUNET_OK !=
-        TALER_string_to_amount (amounts,
-                                &af->wire_fee))
     {
       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                  "Invalid amount `%s' specified in `%s' under `%s'\n",
+                  "Invalid or missing amount in `%s' under `%s'\n",
-                  amounts,
                   wiremethod,
                   opt);
       *ret = GNUNET_SYSERR;
-      GNUNET_free (amounts);
       GNUNET_free (opt);
       break;
     }
-    GNUNET_free (amounts);
     GNUNET_free (opt);
 
     /* handle closing fee */
     GNUNET_asprintf (&opt,
                      "closing-fee-%u",
                      year);
-    if (GNUNET_OK !=
+    if ( (GNUNET_OK !=
-        GNUNET_CONFIGURATION_get_value_string (kcfg,
+          TALER_config_get_amount (kcfg,
                                    section,
                                    opt,
-                                               &amounts))
+                                   &af->closing_fee)) ||
-    {
+         (0 != strcasecmp (currency,
-      GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                           af->wire_fee.currency)) )
-                                 section,
-                                 opt);
-      *ret = GNUNET_SYSERR;
-      GNUNET_free (opt);
-      break;
-    }
-    if (GNUNET_OK !=
-        TALER_string_to_amount (amounts,
-                                &af->closing_fee))
     {
       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                  "Invalid amount `%s' specified in `%s' under `%s'\n",
+                  "Invalid or missing amount in `%s' under `%s'\n",
-                  amounts,
                   wiremethod,
                   opt);
       *ret = GNUNET_SYSERR;
-      GNUNET_free (amounts);
       GNUNET_free (opt);
       break;
     }
-    GNUNET_free (amounts);
 
     GNUNET_free (opt);
     sign_af (af,
@@ -1193,6 +1173,18 @@ run (void *cls,
   (void) cfgfile;
   kcfg = cfg;
 
+  if (GNUNET_OK !=
+      GNUNET_CONFIGURATION_get_value_string (cfg,
+                                             "taler",
+                                             "CURRENCY",
+                                             &currency))
+  {
+    GNUNET_log_config_missing (GNUNET_ERROR_TYPE_ERROR,
+                               "taler",
+                               "CURRENCY");
+    global_ret = 1;
+    return;
+  }
   if (now.abs_value_us != now_tmp.abs_value_us)
   {
     /* The user gave "--now", use it */

src/exchange/taler-exchange-aggregator.c

@@ -603,28 +603,16 @@ exchange_serve_process_config ()
   }
 
   {
-    char *rounding_str;
+    if ( (GNUNET_OK !=
-    if (GNUNET_OK !=
+          TALER_config_get_amount (cfg,
-        GNUNET_CONFIGURATION_get_value_string (cfg,
                                    "taler",
                                    "CURRENCY_ROUND_UNIT",
-                                               &rounding_str))
+                                   &currency_round_unit)) ||
-    {
+         ( (0 != currency_round_unit.fraction) &&
-      GNUNET_log (GNUNET_ERROR_TYPE_WARNING,
+           (0 != currency_round_unit.value) ) )
-                  "No [taler]/CURRENCY_ROUND_UNIT specified, defaulting to '0.01'.\n");
-      GNUNET_assert (GNUNET_OK ==
-                     TALER_amount_get_zero (exchange_currency_string,
-                                            &currency_round_unit));
-      currency_round_unit.fraction = TALER_AMOUNT_FRAC_BASE / 100;
-    }
-    else if (GNUNET_OK !=
-             TALER_string_to_amount (rounding_str,
-                                     &currency_round_unit))
     {
       GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
-                  "Invalid amount `%s' specified in `TALER' under `CURRENCY_ROUND_UNIT'\n",
+                  "Invalid value specified in `TALER' under `CURRENCY_ROUND_UNIT'\n");
-                  rounding_str);
-      GNUNET_free (rounding_str);
       return GNUNET_SYSERR;
     }
   }

src/testing/test-taler-exchange-aggregator-postgres.conf

@@ -5,6 +5,7 @@ TALER_TEST_HOME = test_taler_exchange_httpd_home/
 [taler]
 # Currency supported by the exchange (can only be one)
 CURRENCY = EUR
+CURRENCY_ROUND_UNIT = EUR:0.01
 
 [exchange]
 # The DB plugin to use

src/testing/test-taler-exchange-wirewatch-postgres.conf

@@ -5,6 +5,7 @@ TALER_TEST_HOME = test_taler_exchange_httpd_home/
 [taler]
 # Currency supported by the exchange (can only be one)
 CURRENCY = EUR
+CURRENCY_ROUND_UNIT = EUR:0.01
 
 [exchange]
 # The DB plugin to use
@@ -101,4 +102,3 @@ fee_deposit = EUR:0.00
 fee_refresh = EUR:0.01
 fee_refund = EUR:0.01
 rsa_keysize = 1024
-

src/testing/test_auditor_api.conf

@@ -8,6 +8,7 @@ TALER_TEST_HOME = test_exchange_api_home/
 [taler]
 # Currency supported by the exchange (can only be one)
 CURRENCY = EUR
+CURRENCY_ROUND_UNIT = EUR:0.01
 
 [auditor]
 BASE_URL = "http://localhost:8083/"

src/testing/test_exchange_api.conf

@@ -9,6 +9,7 @@ TALER_TEST_HOME = test_exchange_api_home/
 [taler]
 # Currency supported by the exchange (can only be one)
 CURRENCY = EUR
+CURRENCY_ROUND_UNIT = EUR:0.01
 
 [auditor]
 BASE_URL = "http://localhost:8083/"

src/testing/test_exchange_api_twisted.conf

@@ -9,6 +9,7 @@ TALER_TEST_HOME = test_exchange_api_home/
 [taler]
 # Currency supported by the exchange (can only be one)
 CURRENCY = EUR
+CURRENCY_ROUND_UNIT = EUR:0.01
 
 
 [exchange]