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Diffstat (limited to 'src/lib/exchange_api_recoup.c')
-rw-r--r--src/lib/exchange_api_recoup.c40
1 files changed, 40 insertions, 0 deletions
diff --git a/src/lib/exchange_api_recoup.c b/src/lib/exchange_api_recoup.c
index 723b41789..d8c59827c 100644
--- a/src/lib/exchange_api_recoup.c
+++ b/src/lib/exchange_api_recoup.c
@@ -187,7 +187,9 @@ handle_recoup_finished (void *cls,
/* Insufficient funds, proof attached */
json_t *history;
struct TALER_Amount total;
+ struct GNUNET_HashCode h_denom_pub;
const struct TALER_EXCHANGE_DenomPublicKey *dki;
+ enum TALER_ErrorCode ec;
dki = &ph->pk;
history = json_object_get (j,
@@ -197,6 +199,7 @@ handle_recoup_finished (void *cls,
dki->fee_deposit.currency,
&ph->coin_pub,
history,
+ &h_denom_pub,
&total))
{
GNUNET_break_op (0);
@@ -208,6 +211,43 @@ handle_recoup_finished (void *cls,
hr.ec = TALER_JSON_get_error_code (j);
hr.hint = TALER_JSON_get_error_hint (j);
}
+ ec = TALER_JSON_get_error_code (j);
+ switch (ec)
+ {
+ case TALER_EC_RECOUP_COIN_BALANCE_ZERO:
+ if (0 > TALER_amount_cmp (&total,
+ &dki->value))
+ {
+ /* recoup MAY have still been possible */
+ /* FIXME: This code may falsely complain, as we do not
+ know that the smallest denomination offered by the
+ exchange is here. We should look at the key
+ structure of ph->exchange, and find the smallest
+ _currently withdrawable_ denomination and check
+ if the value remaining would suffice... */GNUNET_break_op (0);
+ hr.http_status = 0;
+ hr.ec = TALER_EC_RECOUP_REPLY_MALFORMED;
+ break;
+ }
+ break;
+ case TALER_EC_COIN_CONFLICTING_DENOMINATION_KEY:
+ if (0 == GNUNET_memcmp (&ph->pk.h_key,
+ &h_denom_pub))
+ {
+ /* invalid proof provided */
+ GNUNET_break_op (0);
+ hr.http_status = 0;
+ hr.ec = TALER_EC_RECOUP_REPLY_MALFORMED;
+ break;
+ }
+ /* valid error from exchange */
+ break;
+ default:
+ GNUNET_break_op (0);
+ hr.http_status = 0;
+ hr.ec = TALER_EC_RECOUP_REPLY_MALFORMED;
+ break;
+ }
ph->cb (ph->cb_cls,
&hr,
NULL,