4 files changed, 104 insertions, 6 deletions
diff --git a/src/util/Makefile.am b/src/util/Makefile.am
index 89b31ebb..35abe4a1 100644
--- a/src/util/Makefile.am
+++ b/src/util/Makefile.am
@@ -56,16 +56,16 @@ libtalerutil_la_LDFLAGS = \
   -version-info 0:0:0 \
   -export-dynamic -no-undefined
 
-TESTS = \
- test_amount \
- test_crypto \
- test_url
 
 check_PROGRAMS = \
  test_amount \
  test_crypto \
+ test_payto \
  test_url
 
+TESTS = \
+ $(check_PROGRAMS)
+
 
 test_amount_SOURCES = \
   test_amount.c
@@ -79,6 +79,12 @@ test_crypto_LDADD = \
   -lgnunetutil \
   libtalerutil.la
 
+test_payto_SOURCES = \
+  test_payto.c
+test_payto_LDADD = \
+  -lgnunetutil \
+  libtalerutil.la
+
 test_url_SOURCES = \
   test_url.c
 test_url_LDADD = \
diff --git a/src/util/test_payto.c b/src/util/test_payto.c
new file mode 100644
index 00000000..80bf652e
--- /dev/null
+++ b/src/util/test_payto.c
@@ -0,0 +1,35 @@
+/*
+  This file is part of TALER
+  (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 util/test_payto.c
+ * @brief Tests for payto helpers
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_util.h"
+
+
+int
+main (int argc,
+      const char *const argv[])
+{
+
+
+  return 0;
+}
+
+
+/* end of test_payto.c */
diff --git a/src/util/test_url.c b/src/util/test_url.c
index 5fc47137..4be1e730 100644
--- a/src/util/test_url.c
+++ b/src/util/test_url.c
@@ -1,6 +1,6 @@
 /*
   This file is part of TALER
-  (C) 2015 GNUnet e.V.
+  (C) 2015-2020 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
@@ -45,7 +45,6 @@ int
 main (int argc,
       const char *const argv[])
 {
-
   cf (TALER_urlencode (""), "");
   cf (TALER_urlencode ("abc"), "abc");
   cf (TALER_urlencode ("~~"), "~~");
diff --git a/src/util/util.c b/src/util/util.c
index 50ac5c1a..62f733a1 100644
--- a/src/util/util.c
+++ b/src/util/util.c
@@ -805,4 +805,62 @@ TALER_payto_xtalerbank_make (const char *bank_url,
 }
 
 
+/**
+ * Given an x-taler-bank payto:// URL, compute
+ * the HTTP(S) base URL of the account.
+ *
+ * @param payto the payto URL
+ * @return bank URL of the account, NULL if not x-taler-bak payto URL
+ */
+char *
+TALER_xtalerbank_base_url_from_payto (const char *payto)
+{
+  const char *start;
+  const char *end;
+
+  if (0 != strncasecmp (payto,
+                        "payto://x-taler-bank/",
+                        strlen ("payto://x-taler-bank/")))
+  {
+    return NULL;
+  }
+  start = &payto [strlen ("payto://x-taler-bank/")];
+  end = strchr (start,
+                (unsigned char) '/');
+  if (NULL == end)
+    end = &start[strlen (start)];
+  return GNUNET_strndup (start,
+                         end - start);
+}
+
+
+/**
+ * Given an x-taler-bank payto:// URL, compute
+ * the HTTP(S) base URL of the account.
+ *
+ * @param payto the payto URL
+ * @return bank URL of the account, NULL if not x-taler-bak payto URL
+ */
+char *
+TALER_xtalerbank_account_url_from_payto (const char *payto)
+{
+  const char *start;
+  const char *end;
+
+  if (0 != strncasecmp (payto,
+                        "payto://x-taler-bank/",
+                        strlen ("payto://x-taler-bank/")))
+  {
+    return NULL;
+  }
+  start = &payto [strlen ("payto://x-taler-bank/")];
+  end = strchr (start,
+                (unsigned char) '?');
+  if (NULL == end)
+    end = &start[strlen (start)];
+  return GNUNET_strndup (start,
+                         end - start);
+}
+
+
 /* end of util.c */