merchant

commit 23c362cf59f8580556d556d0740c93ef420c6b51
parent 35678332df0f2bd45491bc062f06cdc7a4d3b86a
Author: Christian Grothoff <christian@grothoff.org>
Date:   Thu, 27 Feb 2025 12:37:04 +0100

-fixmes for Bohdan

Diffstat:
M
src/backend/taler-merchant-httpd_post-orders-ID-pay.c
 | 
33
++++++++++++++++++++++++++-------

1 file changed, 26 insertions(+), 7 deletions(-)
diff --git a/src/backend/taler-merchant-httpd_post-orders-ID-pay.c b/src/backend/taler-merchant-httpd_post-orders-ID-pay.c
@@ -116,6 +116,8 @@ enum PayPhase
    */
   PP_PAY_TRANSACTION,
 
+  // FIXME: new (optional) phase for DONAU interaction here.
+
   /**
    * Notify other processes about successful payment.
    */
@@ -1689,6 +1691,7 @@ phase_success_response (struct PayContext *pc)
   token_sigs = (0 >= pc->validate_tokens.output_tokens_len)
     ? NULL
     : build_token_sigs (pc);
+  // FIXME: add signatures obtained from donau to response
   pay_end (pc,
            TALER_MHD_REPLY_JSON_PACK (
              pc->connection,
@@ -2390,6 +2393,9 @@ phase_execute_pay_transaction (struct PayContext *pc)
     }
   }
 
+  // FIXME: insert donau blinded inputs (into DB here!),
+  // idempotency: if already exists, no problem!
+
   TMH_notify_order_change (hc->instance,
                            TMH_OSF_CLAIMED | TMH_OSF_PAID,
                            pc->check_contract.contract_terms->timestamp,
@@ -2443,6 +2449,9 @@ phase_execute_pay_transaction (struct PayContext *pc)
       return;
     }
   }
+  // FIXME: if we have donation receipts, do NEW phase
+  // DONAU interaction here, otherwise skip DONAU phase
+  // and move to payment notification
   pc->phase = PP_PAYMENT_NOTIFICATION;
 }
 
@@ -2786,12 +2795,15 @@ phase_validate_tokens (struct PayContext *pc)
         const struct TALER_MERCHANT_ContractTokenFamily *family;
         struct TALER_MERCHANT_ContractTokenFamilyKey *key;
 
+        // FIXME: check donau outputs are good choices
+        // (allowed donau, total amount below max, correct year, ...)
+        // change 'if' to switch...
         if (output->type != TALER_MERCHANT_CONTRACT_OUTPUT_TYPE_TOKEN)
         {
           /* only validate outputs of type tokens (for now) */
           continue;
         }
-
+        // FIXME: move this into a function for the switch case on token...
         family = find_family (pc,
                               output->details.token.token_family_slug);
         if (NULL == family)
@@ -3350,6 +3362,12 @@ phase_parse_wallet_data (struct PayContext *pc)
       GNUNET_JSON_spec_array_const ("tokens_evs",
                                     &tokens_evs),
       NULL),
+    // FIXME: extend spec for wallet to submit
+    // - URL of selected donau
+    // - year
+    // - BUDIs with blinded donation receipts (donau-key-hash, blinded value)
+    // + check in later phase (once we have the contract)
+    //   that the selected donau was offered and the BUDIs are below the allowed amount
     GNUNET_JSON_spec_end ()
   };
 
@@ -3823,24 +3841,25 @@ TMH_post_orders_ID_pay (const struct TMH_RequestHandler *rh,
     case PP_CHECK_CONTRACT:
       phase_check_contract (pc);
       break;
-    case PP_CONTRACT_PAID:
-      phase_contract_paid (pc);
-      break;
     case PP_VALIDATE_TOKENS:
       phase_validate_tokens (pc);
       break;
+    case PP_CONTRACT_PAID:
+      phase_contract_paid (pc);
+      break;
     case PP_PAY_TRANSACTION:
       phase_execute_pay_transaction (pc);
       break;
-    case PP_BATCH_DEPOSITS:
-      phase_batch_deposits (pc);
-      break;
     case PP_PAYMENT_NOTIFICATION:
       phase_payment_notification (pc);
       break;
+    // FIXME: donau phase
     case PP_SUCCESS_RESPONSE:
       phase_success_response (pc);
       break;
+    case PP_BATCH_DEPOSITS:
+      phase_batch_deposits (pc);
+      break;
     case PP_RETURN_RESPONSE:
       phase_return_response (pc);
       break;