Adding map: wire method name <--> plugin name.

src/auditor/taler-auditor.c

@@ -1828,7 +1828,8 @@ struct AggregationContext
  * Find the relevant wire plugin.
  *
  * @param ac context to search
- * @param type type of the wire plugin to load
+ * @param type type of the wire plugin to load; it
+ *  will be used _as is_ from the dynamic loader.
  * @return NULL on error
  */
 static struct TALER_WIRE_Plugin *
@@ -1842,6 +1843,8 @@ get_wire_plugin (struct AggregationContext *ac,
     if (0 == strcmp (type,
                      wp->type))
       return wp->plugin;
+
+  /* Wants the exact *plugin name* (!= method)  */
   plugin = TALER_WIRE_plugin_load (cfg,
                                    type);
   if (NULL == plugin)
@@ -2486,7 +2489,8 @@ get_wire_fee (struct AggregationContext *ac,
  * @return #GNUNET_OK to continue, #GNUNET_SYSERR to stop iteration
  */
 static int
-check_wire_out_cb (void *cls,
+check_wire_out_cb 
+  (void *cls,
    uint64_t rowid,
    struct GNUNET_TIME_Absolute date,
    const struct TALER_WireTransferIdentifierRawP *wtid,
@@ -2544,10 +2548,12 @@ check_wire_out_cb (void *cls,
     GNUNET_free (method);
     return GNUNET_SYSERR;
   }
+
   if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT != wcc.qs)
   {
     /* FIXME: can we provide a more detailed error report? */
-    report_row_inconsistency ("wire_out",
+    report_row_inconsistency
+      ("wire_out",
        rowid,
        "audit of associated transactions failed");
     GNUNET_free (method);
@@ -2570,18 +2576,22 @@ check_wire_out_cb (void *cls,
                              &wcc.total_deposits,
                              wire_fee))
   {
-    report_amount_arithmetic_inconsistency ("wire out (fee structure)",
+
+    report_amount_arithmetic_inconsistency
+      ("wire out (fee structure)",
        rowid,
        &wcc.total_deposits,
        wire_fee,
        -1);
+
     GNUNET_free (method);
     return GNUNET_OK;
   }
 
   /* Round down to amount supported by wire method */
-  plugin = get_wire_plugin (ac,
-                            method);
+  plugin = get_wire_plugin
+    (ac,
+     TALER_WIRE_get_plugin_from_method (method));
   if (NULL == plugin)
   {
     GNUNET_break (0);

src/exchange/taler-exchange-aggregator.c

@@ -414,8 +414,9 @@ find_account_by_url (const char *url)
 
 
 /**
- * Function called with information about a wire account.  Adds the
- * account to our list (if it is enabled and we can load the plugin).
+ * Function called with information about a wire account.  Adds
+ * the account to our list (if it is enabled and we can load the
+ * plugin).
  *
  * @param cls closure, NULL
  * @param ai account information

src/include/taler_wire_lib.h

@@ -35,6 +35,17 @@ char *
 TALER_WIRE_payto_get_method (const char *payto_url);
 
 
+/**
+ * Get the plugin name from the payment method.
+ *
+ * @param method the method implemented by the plugin (for
+ *  simplicity, we assume 1 method is implemented by 1 plugin).
+ * @return the plugin name, NULL if not found.
+ */
+const char *
+TALER_WIRE_get_plugin_from_method (const char *method);
+
+
 /**
  * Load a WIRE plugin.
  *

src/wire/wire_helper.c

@@ -2,16 +2,19 @@
   This file is part of TALER
   (C) 2018 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 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.
+  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/>
+  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/>
 */
 
 /**
@@ -29,6 +32,23 @@
 #define PAYTO "payto://"
 
 
+/**
+ * Maps wire methods to plugin names.
+ */
+struct ConversionTable
+{
+
+  /**
+   * Wire method (e.g. 'sepa', 'x-taler-bank', ..)
+   */
+  const char *method;
+
+  /**
+   * Plugin name, e.g. 'ebics', 'taler_bank', ..
+   */
+  const char *plugin_name;
+};
+
 /**
  * Obtain the payment method from a @a payto_url
  *
@@ -54,4 +74,33 @@ TALER_WIRE_payto_get_method (const char *payto_url)
                          end - start);
 }
 
+
+/**
+ * Get the plugin name from the payment method.
+ *
+ * @param method the method implemented by the plugin (for
+ *  simplicity, we assume 1 method is implemented by 1 plugin).
+ * @return the plugin name, NULL if not found.
+ */
+const char *
+TALER_WIRE_get_plugin_from_method (const char *method)
+{
+  static const struct ConversionTable ct[] = {
+    {"x-taler-bank", "taler_bank"}, 
+    {"sepa", "ebics"},
+    {NULL, NULL}
+  };
+  
+  for (unsigned int i=0;
+       NULL != ct[i].method;
+       i++)
+  {
+    if (0 == strcmp (method,
+                     ct[i].method)) 
+      return ct[i].plugin_name;
+  }
+
+  return NULL;
+}
+
 /* end of wire_helper.c */