1 files changed, 29 insertions, 0 deletions
diff --git a/src/backend/taler-merchant-httpd_exchanges.c b/src/backend/taler-merchant-httpd_exchanges.c
index 918bc48f..6bcbd5c8 100644
--- a/src/backend/taler-merchant-httpd_exchanges.c
+++ b/src/backend/taler-merchant-httpd_exchanges.c
@@ -1651,6 +1651,35 @@ update_exchange_keys (void *cls,
 }
 
 
+bool
+TMH_EXCHANGES_is_below_limit (
+  const struct TALER_EXCHANGE_Keys *keys,
+  enum TALER_KYCLOGIC_KycTriggerEvent operation_type,
+  const struct TALER_Amount *amount)
+{
+  if (NULL == keys)
+  {
+    /* should only be called after we have keys! */
+    GNUNET_break (0);
+    return false;
+  }
+  for (unsigned int i = 0; i<keys->hard_limits_length; i++)
+  {
+    const struct TALER_EXCHANGE_AccountLimit *al
+      = &keys->hard_limits[i];
+
+    if (operation_type != al->operation_type)
+      continue;
+    if (-1 ==
+        TALER_amount_cmp (&al->threshold,
+                          amount))
+      /* -1: threshold < amount */
+      return false;
+  }
+  return true;
+}
+
+
 enum GNUNET_GenericReturnValue
 TMH_EXCHANGES_init (const struct GNUNET_CONFIGURATION_Handle *cfg)
 {