[taler-exchange] branch master updated: add support for wallet_data_hash in API

[gnunet]

This is an automated email from the git hooks/post-receive script.

grothoff pushed a commit to branch master
in repository exchange.

The following commit(s) were added to refs/heads/master by this push:
     new 3b99f246 add support for wallet_data_hash in API
3b99f246 is described below

commit 3b99f24648f477a2b7afd890657bb2675e211d31
Author: Christian Grothoff <christian@grothoff.org>
AuthorDate: Mon Sep 11 13:22:15 2023 +0200

    add support for wallet_data_hash in API
---
 src/bank-lib/bank_api_common.h                    |   2 +-
 src/exchange/taler-exchange-httpd_batch-deposit.c |   9 +-
 src/exchangedb/pg_do_deposit.c                    |   2 +-
 src/include/taler_exchange_service.h              |  48 +++++-----
 src/include/taler_exchangedb_plugin.h             | 102 +++++++++++-----------
 src/lib/exchange_api_batch_deposit.c              |  20 ++++-
 src/lib/exchange_api_common.c                     |   2 +-
 src/testing/testing_api_cmd_batch_deposit.c       |   2 +-
 src/testing/testing_api_cmd_deposit.c             |   3 +-
 9 files changed, 107 insertions(+), 83 deletions(-)

diff --git a/src/bank-lib/bank_api_common.h b/src/bank-lib/bank_api_common.h
index ac059e9e..e288a7e6 100644
--- a/src/bank-lib/bank_api_common.h
+++ b/src/bank-lib/bank_api_common.h
@@ -36,7 +36,7 @@
  * @param auth authentication data to use
  * @return #GNUNET_OK in success
  */
-int
+enum GNUNET_GenericReturnValue
 TALER_BANK_setup_auth_ (CURL *easy,
                         const struct TALER_BANK_AuthenticationData *auth);
 
diff --git a/src/exchange/taler-exchange-httpd_batch-deposit.c 
b/src/exchange/taler-exchange-httpd_batch-deposit.c
index ca206d23..e2aac1f2 100644
--- a/src/exchange/taler-exchange-httpd_batch-deposit.c
+++ b/src/exchange/taler-exchange-httpd_batch-deposit.c
@@ -153,9 +153,8 @@ again:
         GNUNET_memcmp (&pub,
                        &pubi))
     {
-      /* note: in the future, maybe have batch
-         sign API to avoid having to handle
-         key rollover... */
+      /* note: in the future, maybe have batch sign API to avoid having to
+         handle key rollover... */
       GNUNET_log (GNUNET_ERROR_TYPE_INFO,
                   "Exchange public key changed during batch deposit, trying 
again\n");
       json_decref (arr);
@@ -511,6 +510,10 @@ TEH_handler_batch_deposit (struct TEH_RequestContext *rc,
                                  &bd->merchant_pub),
     GNUNET_JSON_spec_fixed_auto ("h_contract_terms",
                                  &bd->h_contract_terms),
+    GNUNET_JSON_spec_mark_optional (
+      GNUNET_JSON_spec_fixed_auto ("wallet_data_hash",
+                                   &bd->wallet_data_hash),
+      &bd->no_wallet_data_hash),
     GNUNET_JSON_spec_array_const ("coins",
                                   &coins),
     GNUNET_JSON_spec_mark_optional (
diff --git a/src/exchangedb/pg_do_deposit.c b/src/exchangedb/pg_do_deposit.c
index 3513ba2b..1e2d1c3c 100644
--- a/src/exchangedb/pg_do_deposit.c
+++ b/src/exchangedb/pg_do_deposit.c
@@ -50,7 +50,7 @@ TEH_PG_do_deposit (
     GNUNET_PQ_query_param_timestamp (&bd->refund_deadline),
     GNUNET_PQ_query_param_timestamp (&bd->wire_deadline),
     GNUNET_PQ_query_param_auto_from_type (&bd->h_contract_terms),
-    (0 == bd->has_wallet_data_hash)
+    (bd->no_wallet_data_hash)
     ? GNUNET_PQ_query_param_null ()
     : GNUNET_PQ_query_param_auto_from_type (&bd->wallet_data_hash),
     GNUNET_PQ_query_param_auto_from_type (&bd->wire_salt),
diff --git a/src/include/taler_exchange_service.h 
b/src/include/taler_exchange_service.h
index a1a1e399..31f41e17 100644
--- a/src/include/taler_exchange_service.h
+++ b/src/include/taler_exchange_service.h
@@ -1054,18 +1054,16 @@ struct TALER_EXCHANGE_DepositContractDetail
 {
 
   /**
-   * Execution date, until which the merchant would like the exchange to
-   * settle the balance (advisory, the exchange cannot be forced to settle in
-   * the past or upon very short notice, but of course a well-behaved exchange
-   * will limit aggregation based on the advice received).
+   * Hash of the contact of the merchant with the customer (further details
+   * are never disclosed to the exchange)
    */
-  struct GNUNET_TIME_Timestamp wire_deadline;
+  struct TALER_PrivateContractHashP h_contract_terms;
 
   /**
-   * The merchant’s account details, in the payto://-format supported by the
-   * exchange.
+   * The public key of the merchant (used to identify the merchant for refund
+   * requests).
    */
-  const char *merchant_payto_uri;
+  struct TALER_MerchantPublicKeyP merchant_pub;
 
   /**
    * Salt used to hash the @e merchant_payto_uri.
@@ -1073,34 +1071,42 @@ struct TALER_EXCHANGE_DepositContractDetail
   struct TALER_WireSaltP wire_salt;
 
   /**
-   * Hash of the contact of the merchant with the customer (further details
-   * are never disclosed to the exchange)
+   * Hash over data provided by the wallet to customize the contract.
+   * All zero if not used.
    */
-  struct TALER_PrivateContractHashP h_contract_terms;
+  struct GNUNET_HashCode wallet_data_hash;
 
   /**
-   * Policy extension specific details about the deposit relevant to the 
exchange.
+   * Date until which the merchant can issue a refund to the customer via the
+   * exchange (can be zero if refunds are not allowed); must not be after the
+   * @e wire_deadline.
    */
-  json_t *policy_details;
+  struct GNUNET_TIME_Timestamp refund_deadline;
+
+  /**
+   * Execution date, until which the merchant would like the exchange to
+   * settle the balance (advisory, the exchange cannot be forced to settle in
+   * the past or upon very short notice, but of course a well-behaved exchange
+   * will limit aggregation based on the advice received).
+   */
+  struct GNUNET_TIME_Timestamp wire_deadline;
 
   /**
    * Timestamp when the contract was finalized, must match approximately the
    * current time of the exchange.
    */
-  struct GNUNET_TIME_Timestamp timestamp;
+  struct GNUNET_TIME_Timestamp wallet_timestamp;
 
   /**
-   * The public key of the merchant (used to identify the merchant for refund
-   * requests).
+   * The merchant’s account details, in the payto://-format supported by the
+   * exchange.
    */
-  struct TALER_MerchantPublicKeyP merchant_pub;
+  const char *merchant_payto_uri;
 
   /**
-   * Date until which the merchant can issue a refund to the customer via the
-   * exchange (can be zero if refunds are not allowed); must not be after the
-   * @e wire_deadline.
+   * Policy extension specific details about the deposit relevant to the 
exchange.
    */
-  struct GNUNET_TIME_Timestamp refund_deadline;
+  const json_t *policy_details;
 
 };
 
diff --git a/src/include/taler_exchangedb_plugin.h 
b/src/include/taler_exchangedb_plugin.h
index 36ce7474..c3be78b4 100644
--- a/src/include/taler_exchangedb_plugin.h
+++ b/src/include/taler_exchangedb_plugin.h
@@ -1727,15 +1727,6 @@ struct TALER_EXCHANGEDB_CoinDepositInformation
  */
 struct TALER_EXCHANGEDB_BatchDeposit
 {
-  /**
-   * Array about the coins that are being deposited.
-   */
-  const struct TALER_EXCHANGEDB_CoinDepositInformation *cdis;
-
-  /**
-   * Length of the @e cdis array.
-   */
-  unsigned int num_cdis;
 
   /**
    * Public key of the merchant.  Enables later identification
@@ -1750,20 +1741,19 @@ struct TALER_EXCHANGEDB_BatchDeposit
   struct TALER_PrivateContractHashP h_contract_terms;
 
   /**
-   * Salt used by the merchant to compute "h_wire".
+   * Hash over additional inputs by the wallet.
    */
-  struct TALER_WireSaltP wire_salt;
+  struct GNUNET_HashCode wallet_data_hash;
 
   /**
-   * Information about the receiver for executing the transaction.  URI in
-   * payto://-format.
+   * Unsalted hash over @e receiver_wire_account.
    */
-  const char *receiver_wire_account;
+  struct TALER_PaytoHashP wire_target_h_payto;
 
   /**
-   * Unsalted hash over @e receiver_wire_account.
+   * Salt used by the merchant to compute "h_wire".
    */
-  struct TALER_PaytoHashP wire_target_h_payto;
+  struct TALER_WireSaltP wire_salt;
 
   /**
    * Time when this request was generated.  Used, for example, to
@@ -1796,19 +1786,30 @@ struct TALER_EXCHANGEDB_BatchDeposit
   struct GNUNET_TIME_Timestamp wire_deadline;
 
   /**
-   * Hash over additional inputs by the wallet.
+   * Row ID of the policy details; 0 if no policy applies.
    */
-  struct GNUNET_HashCode wallet_data_hash;
+  uint64_t policy_details_serial_id;
 
   /**
-   * Row ID of the policy details; 0 if no policy applies.
+   * Information about the receiver for executing the transaction.  URI in
+   * payto://-format.
    */
-  uint64_t policy_details_serial_id;
+  const char *receiver_wire_account;
+
+  /**
+   * Array about the coins that are being deposited.
+   */
+  const struct TALER_EXCHANGEDB_CoinDepositInformation *cdis;
 
   /**
-   * True if @e wallet_data_hash was provided
+   * Length of the @e cdis array.
+   */
+  unsigned int num_cdis;
+
+  /**
+   * False if @e wallet_data_hash was provided
    */
-  bool has_wallet_data_hash;
+  bool no_wallet_data_hash;
 
   /**
    * True if further processing is blocked by policy.
@@ -1861,10 +1862,10 @@ struct TALER_EXCHANGEDB_Deposit
   struct TALER_WireSaltP wire_salt;
 
   /**
-   * Information about the receiver for executing the transaction.  URI in
-   * payto://-format.
+   * Hash over the policy data for this deposit (remains unknown to the
+   * Exchange).  Needed for the verification of the deposit's signature
    */
-  char *receiver_wire_account;
+  struct TALER_ExtensionPolicyHashP h_policy;
 
   /**
    * Time when this request was generated.  Used, for example, to
@@ -1907,16 +1908,17 @@ struct TALER_EXCHANGEDB_Deposit
    */
   struct TALER_Amount deposit_fee;
 
-  /*
-   * True if @e policy_json was provided
+  /**
+   * Information about the receiver for executing the transaction.  URI in
+   * payto://-format.
    */
-  bool has_policy;
+  char *receiver_wire_account;
 
   /**
-   * Hash over the policy data for this deposit (remains unknown to the
-   * Exchange).  Needed for the verification of the deposit's signature
+   * True if @e policy_json was provided
    */
-  struct TALER_ExtensionPolicyHashP h_policy;
+  bool has_policy;
+
 };
 
 
@@ -1959,20 +1961,26 @@ struct TALER_EXCHANGEDB_DepositListEntry
   struct TALER_AgeCommitmentHash h_age_commitment;
 
   /**
-   * true, if age commitment is not applicable
+   * Salt used to compute h_wire from the @e receiver_wire_account.
    */
-  bool no_age_commitment;
+  struct TALER_WireSaltP wire_salt;
 
   /**
-   * Detailed information about the receiver for executing the transaction.
-   * URL in payto://-format.
+   * Hash over the policy data for this deposit (remains unknown to the
+   * Exchange).  Needed for the verification of the deposit's signature
    */
-  char *receiver_wire_account;
+  struct TALER_ExtensionPolicyHashP h_policy;
 
   /**
-   * Salt used to compute h_wire from the @e receiver_wire_account.
+   * Fraction of the coin's remaining value to be deposited, including
+   * depositing fee (if any).  The coin is identified by @e coin_pub.
    */
-  struct TALER_WireSaltP wire_salt;
+  struct TALER_Amount amount_with_fee;
+
+  /**
+   * Depositing fee.
+   */
+  struct TALER_Amount deposit_fee;
 
   /**
    * Time when this request was generated.  Used, for example, to
@@ -2005,27 +2013,21 @@ struct TALER_EXCHANGEDB_DepositListEntry
   struct GNUNET_TIME_Timestamp wire_deadline;
 
   /**
-   * Fraction of the coin's remaining value to be deposited, including
-   * depositing fee (if any).  The coin is identified by @e coin_pub.
+   * Detailed information about the receiver for executing the transaction.
+   * URL in payto://-format.
    */
-  struct TALER_Amount amount_with_fee;
+  char *receiver_wire_account;
 
   /**
-   * Depositing fee.
+   * true, if age commitment is not applicable
    */
-  struct TALER_Amount deposit_fee;
+  bool no_age_commitment;
 
-  /*
+  /**
    * True if a policy was provided with the deposit request
    */
   bool has_policy;
 
-  /**
-   * Hash over the policy data for this deposit (remains unknown to the
-   * Exchange).  Needed for the verification of the deposit's signature
-   */
-  struct TALER_ExtensionPolicyHashP h_policy;
-
   /**
    * Has the deposit been wired?
    */
diff --git a/src/lib/exchange_api_batch_deposit.c 
b/src/lib/exchange_api_batch_deposit.c
index 1fc9c44d..3aea22b6 100644
--- a/src/lib/exchange_api_batch_deposit.c
+++ b/src/lib/exchange_api_batch_deposit.c
@@ -569,6 +569,7 @@ TALER_EXCHANGE_batch_deposit (
   json_t *deposits;
   CURL *eh;
   struct TALER_Amount amount_without_fee;
+  const struct GNUNET_HashCode *wallet_data_hashp;
 
   if (GNUNET_TIME_timestamp_cmp (dcd->refund_deadline,
                                  >,
@@ -599,6 +600,7 @@ TALER_EXCHANGE_batch_deposit (
   {
     const struct TALER_EXCHANGE_CoinDepositDetail *cdd = &cdds[i];
     const struct TALER_EXCHANGE_DenomPublicKey *dki;
+    const struct TALER_AgeCommitmentHash *h_age_commitmentp;
 
     dki = TALER_EXCHANGE_get_denomination_key_by_hash (keys,
                                                        &cdd->h_denom_pub);
@@ -639,6 +641,10 @@ TALER_EXCHANGE_batch_deposit (
       GNUNET_free (dh);
       return NULL;
     }
+    if (GNUNET_is_zero (&cdd->h_age_commitment))
+      h_age_commitmentp = NULL;
+    else
+      h_age_commitmentp = &cdd->h_age_commitment;
     GNUNET_assert (
       0 ==
       json_array_append_new (
@@ -654,7 +660,7 @@ TALER_EXCHANGE_batch_deposit (
                                       &cdd->coin_pub),
           GNUNET_JSON_pack_allow_null (
             GNUNET_JSON_pack_data_auto ("h_age_commitment",
-                                        &cdd->h_age_commitment)),
+                                        h_age_commitmentp)),
           GNUNET_JSON_pack_data_auto ("coin_sig",
                                       &cdd->coin_sig)
           )));
@@ -672,6 +678,11 @@ TALER_EXCHANGE_batch_deposit (
     return NULL;
   }
 
+  if (GNUNET_is_zero (&dcd->wallet_data_hash))
+    wallet_data_hashp = NULL;
+  else
+    wallet_data_hashp = &dcd->wallet_data_hash;
+
   deposit_obj = GNUNET_JSON_PACK (
     GNUNET_JSON_pack_string ("merchant_payto_uri",
                              dcd->merchant_payto_uri),
@@ -681,11 +692,14 @@ TALER_EXCHANGE_batch_deposit (
                                 &dcd->h_contract_terms),
     GNUNET_JSON_pack_array_steal ("coins",
                                   deposits),
+    GNUNET_JSON_pack_allow_null (
+      GNUNET_JSON_pack_data_auto ("wallet_data_hash",
+                                  wallet_data_hashp)),
     GNUNET_JSON_pack_allow_null (
       GNUNET_JSON_pack_object_steal ("policy_details",
-                                     dcd->policy_details)),
+                                     (json_t *) dcd->policy_details)),
     GNUNET_JSON_pack_timestamp ("timestamp",
-                                dcd->timestamp),
+                                dcd->wallet_timestamp),
     GNUNET_JSON_pack_data_auto ("merchant_pub",
                                 &dcd->merchant_pub),
     GNUNET_JSON_pack_allow_null (
diff --git a/src/lib/exchange_api_common.c b/src/lib/exchange_api_common.c
index 08ca4b4e..ac0c4617 100644
--- a/src/lib/exchange_api_common.c
+++ b/src/lib/exchange_api_common.c
@@ -2148,7 +2148,7 @@ TALER_EXCHANGE_verify_deposit_signature_ (
                                    &cdd->h_age_commitment,
                                    ech,
                                    &cdd->h_denom_pub,
-                                   dcd->timestamp,
+                                   dcd->wallet_timestamp,
                                    &dcd->merchant_pub,
                                    dcd->refund_deadline,
                                    &cdd->coin_pub,
diff --git a/src/testing/testing_api_cmd_batch_deposit.c 
b/src/testing/testing_api_cmd_batch_deposit.c
index 77bfd4d5..c1e973cb 100644
--- a/src/testing/testing_api_cmd_batch_deposit.c
+++ b/src/testing/testing_api_cmd_batch_deposit.c
@@ -382,7 +382,7 @@ batch_deposit_run (void *cls,
       .wire_salt = wire_salt,
       .h_contract_terms = h_contract_terms,
       .policy_details = NULL /* FIXME #7270-OEC */,
-      .timestamp = ds->wallet_timestamp,
+      .wallet_timestamp = ds->wallet_timestamp,
       .merchant_pub = merchant_pub,
       .refund_deadline = ds->refund_deadline
     };
diff --git a/src/testing/testing_api_cmd_deposit.c 
b/src/testing/testing_api_cmd_deposit.c
index 5c98f91a..0e17dc2f 100644
--- a/src/testing/testing_api_cmd_deposit.c
+++ b/src/testing/testing_api_cmd_deposit.c
@@ -465,8 +465,7 @@ deposit_run (void *cls,
       .merchant_payto_uri = payto_uri,
       .wire_salt = wire_salt,
       .h_contract_terms = h_contract_terms,
-      .policy_details = NULL /* FIXME #7270-OEC */,
-      .timestamp = ds->wallet_timestamp,
+      .wallet_timestamp = ds->wallet_timestamp,
       .merchant_pub = merchant_pub,
       .refund_deadline = ds->refund_deadline
     };

-- 
To stop receiving notification emails like this one, please contact
gnunet@gnunet.org.