clarify contract is json, not string

src/lib/Makefile.am

@@ -107,6 +107,7 @@ libtalertesting_la_SOURCES = \
   testing_api_trait_blinding_key.c \
   testing_api_trait_cmd.c \
   testing_api_trait_coin_priv.c \
+  testing_api_trait_contract.c \
   testing_api_trait_denom_pub.c \
   testing_api_trait_denom_sig.c \
   testing_api_trait_exchange_pub.c \

src/lib/testing_api_trait_contract.c

@@ -0,0 +1,74 @@
+/*
+  This file is part of TALER
+  Copyright (C) 2018-2020 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 lib/testing_api_trait_contract.c
+ * @brief offers contract term trait.
+ * @author Marcello Stanisci
+ * @author Christian Grothoff
+ */
+#include "platform.h"
+#include "taler_json_lib.h"
+#include <gnunet/gnunet_curl_lib.h>
+#include "taler_testing_lib.h"
+
+
+/**
+ * Contains a contract terms object as a json_t.
+ */
+#define TALER_TESTING_TRAIT_CONTRACT_TERMS "contract-terms"
+
+/**
+ * Obtain contract terms from @a cmd.
+ *
+ * @param cmd command to extract the contract terms from.
+ * @param index contract terms index number.
+ * @param contract_terms[out] where to write the contract
+ *        terms.
+ * @return #GNUNET_OK on success.
+ */
+int
+TALER_TESTING_get_trait_contract_terms (const struct TALER_TESTING_Command *cmd,
+                                        unsigned int index,
+                                        const json_t **contract_terms)
+{
+  return cmd->traits (cmd->cls,
+                      (const void **) contract_terms,
+                      TALER_TESTING_TRAIT_CONTRACT_TERMS,
+                      index);
+}
+
+
+/**
+ * Offer contract terms.
+ *
+ * @param index contract terms index number.
+ * @param contract_terms contract terms to offer.
+ * @return the trait.
+ */
+struct TALER_TESTING_Trait
+TALER_TESTING_make_trait_contract_terms (unsigned int index,
+                                         const json_t *contract_terms)
+{
+  struct TALER_TESTING_Trait ret = {
+    .index = index,
+    .trait_name = TALER_TESTING_TRAIT_CONTRACT_TERMS,
+    .ptr = (const void *) contract_terms
+  };
+  return ret;
+}

src/lib/testing_api_trait_string.c

@@ -29,11 +29,6 @@
 #include "taler_signatures.h"
 #include "taler_testing_lib.h"
 
-/**
- * FIXME: use json-t instead?
- */
-#define TALER_TESTING_TRAIT_CONTRACT_TERMS "contract-terms"
-
 /**
  * Some string. Avoid, use something more precise!
  */
@@ -55,47 +50,6 @@
 #define TALER_TESTING_TRAIT_ORDER_ID "order-id"
 
 
-/**
- * Obtain contract terms from @a cmd.
- *
- * @param cmd command to extract the contract terms from.
- * @param index contract terms index number.
- * @param contract_terms[out] where to write the contract
- *        terms.
- * @return #GNUNET_OK on success.
- */
-int
-TALER_TESTING_get_trait_contract_terms (const struct TALER_TESTING_Command *cmd,
-                                        unsigned int index,
-                                        const json_t **contract_terms)
-{
-  return cmd->traits (cmd->cls,
-                      (const void **) contract_terms,
-                      TALER_TESTING_TRAIT_CONTRACT_TERMS,
-                      index);
-}
-
-
-/**
- * Offer contract terms.
- *
- * @param index contract terms index number.
- * @param contract_terms contract terms to offer.
- * @return the trait.
- */
-struct TALER_TESTING_Trait
-TALER_TESTING_make_trait_contract_terms (unsigned int index,
-                                         const json_t *contract_terms)
-{
-  struct TALER_TESTING_Trait ret = {
-    .index = index,
-    .trait_name = TALER_TESTING_TRAIT_CONTRACT_TERMS,
-    .ptr = (const void *) contract_terms
-  };
-  return ret;
-}
-
-
 /**
  * Obtain a string from @a cmd.
  *