allow merge into non-existent reserve if KYC is disabled

contrib/Makefile.am

@@ -1,5 +1,14 @@
 SUBDIRS = .
 
+tmplpkgdatadir = $(prefix)/share/taler/exchange/templates/
+
+dist_tmplpkgdata_DATA = \
+  test.en.must
+
+# %%.must: merchant-backoffice/%.html
+# WTF: cp $< $@
+
+
 # English (en)
 tosendir=$(datadir)/taler/exchange/tos/en
 

src/exchange/Makefile.am

@@ -177,6 +177,7 @@ taler_exchange_httpd_LDADD = \
   $(top_builddir)/src/mhd/libtalermhd.la \
   $(top_builddir)/src/json/libtalerjson.la \
   $(top_builddir)/src/exchangedb/libtalerexchangedb.la \
+  $(top_builddir)/src/templating/libtalertemplating.la \
   $(top_builddir)/src/kyclogic/libtalerkyclogic.la \
   $(top_builddir)/src/util/libtalerutil.la \
   $(top_builddir)/src/extensions/libtalerextensions.la \

src/exchange/taler-exchange-httpd.c

@@ -28,6 +28,7 @@
 #include <sys/resource.h>
 #include <limits.h>
 #include "taler_kyclogic_lib.h"
+#include "taler_templating_lib.h"
 #include "taler_mhd_lib.h"
 #include "taler-exchange-httpd_auditors.h"
 #include "taler-exchange-httpd_batch-deposit.h"
@@ -2125,6 +2126,7 @@ do_shutdown (void *cls)
     GNUNET_CURL_gnunet_rc_destroy (exchange_curl_rc);
     exchange_curl_rc = NULL;
   }
+  TALER_TEMPLATING_done ();
 }
 
 
@@ -2162,6 +2164,13 @@ run (void *cls,
     GNUNET_SCHEDULER_shutdown ();
     return;
   }
+  if (GNUNET_OK !=
+      TALER_TEMPLATING_init ("exchange"))
+  {
+    global_ret = EXIT_FAILURE;
+    GNUNET_SCHEDULER_shutdown ();
+    return;
+  }
   if (GNUNET_SYSERR ==
       TEH_plugin->preflight (TEH_plugin->cls))
   {

src/exchange/taler-exchange-httpd_purses_merge.c

@@ -275,7 +275,6 @@ merge_transaction (void *cls,
   bool in_conflict = true;
   bool no_balance = true;
   bool no_partner = true;
-  bool no_reserve = true;
   const char *required;
 
   required = TALER_KYCLOGIC_kyc_test_required (
@@ -305,7 +304,6 @@ merge_transaction (void *cls,
     &pcc->reserve_pub,
     &no_partner,
     &no_balance,
-    &no_reserve,
     &in_conflict);
   if (qs < 0)
   {
@@ -329,15 +327,6 @@ merge_transaction (void *cls,
                                   pcc->provider_url);
     return GNUNET_DB_STATUS_HARD_ERROR;
   }
-  if (no_reserve)
-  {
-    *mhd_ret =
-      TALER_MHD_reply_with_error (connection,
-                                  MHD_HTTP_NOT_FOUND,
-                                  TALER_EC_EXCHANGE_GENERIC_RESERVE_UNKNOWN,
-                                  NULL);
-    return GNUNET_DB_STATUS_HARD_ERROR;
-  }
   if (no_balance)
   {
     *mhd_ret =

src/exchangedb/plugin_exchangedb_postgres.c

@@ -4450,10 +4450,9 @@ prepare_statements (struct PostgresClosure *pg)
       "SELECT"
       " out_no_partner AS no_partner"
       ",out_no_balance AS no_balance"
-      ",out_no_reserve AS no_reserve"
       ",out_conflict AS conflict"
       " FROM exchange_do_purse_merge"
-      "  ($1, $2, $3, $4, $5, $6, $7);",
+      "  ($1, $2, $3, $4, $5, $6, $7, $8);",
       7),
     /* Used in #postgres_do_reserve_purse() */
     GNUNET_PQ_make_prepare (
@@ -16007,7 +16006,6 @@ postgres_get_purse_deposit (
  * @param reserve_pub public key of the reserve to credit
  * @param[out] no_partner set to true if @a partner_url is unknown
  * @param[out] no_balance set to true if the @a purse_pub is not paid up yet
- * @param[out] no_reserve set to true if the @a reserve_pub is not known
  * @param[out] in_conflict set to true if @a purse_pub was merged into a different reserve already
   * @return transaction status code
  */
@@ -16022,11 +16020,12 @@ postgres_do_purse_merge (
   const struct TALER_ReservePublicKeyP *reserve_pub,
   bool *no_partner,
   bool *no_balance,
-  bool *no_reserve,
   bool *in_conflict)
 {
   struct PostgresClosure *pg = cls;
   struct TALER_PaytoHashP h_payto;
+  struct GNUNET_TIME_Timestamp expiration
+    = GNUNET_TIME_relative_to_timestamp (GNUNET_TIME_UNIT_YEARS); /* FIXME: make this configurable? */
   struct GNUNET_PQ_QueryParam params[] = {
     GNUNET_PQ_query_param_auto_from_type (purse_pub),
     GNUNET_PQ_query_param_auto_from_type (merge_sig),
@@ -16037,6 +16036,7 @@ postgres_do_purse_merge (
     : GNUNET_PQ_query_param_string (partner_url),
     GNUNET_PQ_query_param_auto_from_type (reserve_pub),
     GNUNET_PQ_query_param_auto_from_type (&h_payto),
+    GNUNET_PQ_query_param_timestamp (&expiration),
     GNUNET_PQ_query_param_end
   };
   struct GNUNET_PQ_ResultSpec rs[] = {
@@ -16044,8 +16044,6 @@ postgres_do_purse_merge (
                                 no_partner),
     GNUNET_PQ_result_spec_bool ("no_balance",
                                 no_balance),
-    GNUNET_PQ_result_spec_bool ("no_reserve",
-                                no_reserve),
     GNUNET_PQ_result_spec_bool ("conflict",
                                 in_conflict),
     GNUNET_PQ_result_spec_end

src/exchangedb/procedures.sql

@@ -1606,9 +1606,9 @@ CREATE OR REPLACE FUNCTION exchange_do_purse_merge(
   IN in_partner_url VARCHAR,
   IN in_reserve_pub BYTEA,
   IN in_wallet_h_payto BYTEA,
+  IN in_expiration_date INT8,
   OUT out_no_partner BOOLEAN,
   OUT out_no_balance BOOLEAN,
-  OUT out_no_reserve BOOLEAN,
   OUT out_conflict BOOLEAN)
 LANGUAGE plpgsql
 AS $$
@@ -1642,7 +1642,6 @@ ELSE
   THEN
     out_no_partner=TRUE;
     out_conflict=FALSE;
-    out_no_reserve=FALSE;
     RETURN;
   END IF;
 END IF;
@@ -1670,7 +1669,6 @@ IF NOT FOUND
 THEN
   out_no_balance=TRUE;
   out_conflict=FALSE;
-  out_no_reserve=FALSE;
   RETURN;
 END IF;
 out_no_balance=FALSE;
@@ -1703,29 +1701,30 @@ THEN
   THEN
      -- Purse was merged, but to some other reserve. Not allowed.
      out_conflict=TRUE;
-     out_no_reserve=FALSE;
      RETURN;
   END IF;
 
   -- "success"
   out_conflict=FALSE;
-  out_no_reserve=FALSE;
   RETURN;
 END IF;
 out_conflict=FALSE;
 
 ASSERT NOT my_finished, 'internal invariant failed';
 
-PERFORM
-   FROM exchange.reserves
-  WHERE reserve_pub=in_reserve_pub;
 
-IF NOT FOUND
-THEN
-  out_no_reserve=TRUE;
-  RETURN;
-END IF;
-out_no_reserve=FALSE;
+-- Initialize reserve, if not yet exists.
+INSERT INTO reserves
+  (reserve_pub
+  ,expiration_date
+  ,gc_date)
+  VALUES
+  (in_reserve_pub
+  ,in_expiration_date
+  ,in_expiration_date)
+  ON CONFLICT DO NOTHING;
+
+
 
 
 -- Store account merge signature.
@@ -1785,7 +1784,7 @@ RETURN;
 
 END $$;
 
-COMMENT ON FUNCTION exchange_do_purse_merge(BYTEA, BYTEA, INT8, BYTEA, VARCHAR, BYTEA, BYTEA)
+COMMENT ON FUNCTION exchange_do_purse_merge(BYTEA, BYTEA, INT8, BYTEA, VARCHAR, BYTEA, BYTEA, INT8)
   IS 'Checks that the partner exists, the purse has not been merged with a different reserve and that the purse is full. If so, persists the merge data and either merges the purse with the reserve or marks it as ready for the taler-exchange-router. Caller MUST abort the transaction on failures so as to not persist data by accident.';
 
 

src/include/taler_exchangedb_plugin.h

@@ -5394,7 +5394,6 @@ struct TALER_EXCHANGEDB_Plugin
     const struct TALER_ReservePublicKeyP *reserve_pub,
     bool *no_partner,
     bool *no_balance,
-    bool *no_reserve,
     bool *in_conflict);
 
 

src/templating/templating_api.c

@@ -414,8 +414,8 @@ TALER_TEMPLATING_init (const char *subsystem)
     }
     GNUNET_asprintf (&dn,
                      "%s/%s/templates/",
-                     subsystem,
-                     path);
+                     path,
+                     subsystem);
     GNUNET_free (path);
   }
   ret = GNUNET_DISK_directory_scan (dn,