From 81d0e570be0db784e98fdb7ad63f9b65c6745be3 Mon Sep 17 00:00:00 2001
From: Christian Grothoff <christian@grothoff.org>
Date: Thu, 19 Aug 2021 13:41:30 +0200
Subject: -implement DB triggers and check for inbound wire transfers in IBAN
 plugin

---
 .../anastasis-helper-authorization-iban.c          | 50 ++++++++++++++++++++--
 1 file changed, 46 insertions(+), 4 deletions(-)

(limited to 'src/authorization/anastasis-helper-authorization-iban.c')

diff --git a/src/authorization/anastasis-helper-authorization-iban.c b/src/authorization/anastasis-helper-authorization-iban.c
index 0d3200a..d509c0e 100644
--- a/src/authorization/anastasis-helper-authorization-iban.c
+++ b/src/authorization/anastasis-helper-authorization-iban.c
@@ -17,10 +17,6 @@
  * @file anastasis-helper-authorization-iban.c
  * @brief Process that watches for wire transfers to Anastasis bank account
  * @author Christian Grothoff
- *
- * TODO:
- * - needs to add DB triggers to notify main service of inbound activity
- * - needs man page
  */
 #include "platform.h"
 #include "anastasis_eufin_lib.h"
@@ -31,6 +27,7 @@
 #include <jansson.h>
 #include <pthread.h>
 #include <microhttpd.h>
+#include "iban.h"
 
 /**
  * How long to wait for an HTTP reply if there
@@ -107,6 +104,37 @@ static int test_mode;
 static struct GNUNET_SCHEDULER_Task *task;
 
 
+/**
+ * Notify anastasis-http that we received @a amount
+ * from @a sender_account_uri with @a code.
+ *
+ * @param sender_account_uri payto:// URI of the sending account
+ * @param code numeric code used in the wire transfer subject
+ * @param amount the amount that was wired
+ */
+static void
+notify (const char *sender_account_uri,
+        uint64_t code,
+        const struct TALER_Amount *amount)
+{
+  struct IbanEventP ev = {
+    .header.type = htons (TALER_DBEVENT_ANASTASIS_AUTH_IBAN_TRANSFER),
+    .header.size = htons (sizeof (ev)),
+    .code = GNUNET_htonll (code)
+  };
+  const char *as;
+
+  GNUNET_CRYPTO_hash (sender_account_uri,
+                      strlen (sender_account_uri),
+                      &ev.debit_iban_hash);
+  as = TALER_amount2s (amount);
+  db_plugin->event_notify (db_plugin->cls,
+                           &ev.header,
+                           as,
+                           strlen (as));
+}
+
+
 /**
  * We're being aborted with CTRL-C (or SIGTERM). Shut down.
  *
@@ -152,6 +180,9 @@ static void
 find_transfers (void *cls);
 
 
+#include "iban.c"
+
+
 /**
  * Callbacks of this type are used to serve the result of asking
  * the bank for the transaction history.
@@ -232,6 +263,17 @@ history_cb (void *cls,
     break;
   }
   latest_row_off = serial_id;
+  {
+    uint64_t code;
+
+    if (GNUNET_OK !=
+        extract_code (details->wire_subject,
+                      &code))
+      return GNUNET_OK;
+    notify (details->debit_account_uri,
+            code,
+            &details->amount);
+  }
   return GNUNET_OK;
 }
 
-- 
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