taler/exchange
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

fix new ag logic

Browse Source
This commit is contained in:
Christian Grothoff 2020-03-15 00:55:58 +01:00
parent f8095d7297
commit d7cfb11fc6
No known key found for this signature in database
GPG Key ID: 939E6BE1E29FC3CC
2 changed files with 20 additions and 13 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

2
doc/prebuilt

@ -1 +1 @@
Subproject commit ca53235ccfa0458ebf11c204888ca370e20ec3f5
Subproject commit 934a6a18301e81c4fd1b3a8cda2dc13dca4741cc

31
src/exchange/taler-exchange-aggregator.c
View File

@ -523,8 +523,9 @@ aggregate_cb (void *cls,
const json_t *wire)
{
struct AggregationUnit *au = cls;
struct TALER_Amount delta;
struct TALER_Amount old;
enum GNUNET_DB_QueryStatus qs;
struct TALER_Amount delta;
/* NOTE: potential optimization: use custom SQL API to not
fetch these: */
@ -541,12 +542,16 @@ aggregate_cb (void *cls,
return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT;
}
/* compute contribution of this coin after fees */
/* add to total */
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Adding transaction amount %s from row %llu to aggregation\n",
TALER_amount2s (amount_with_fee),
(unsigned long long) row_id);
/* save the existing total aggregate in 'old', for later */
old = au->total_amount;
/* we begin with the total contribution of the current coin */
au->total_amount = *amount_with_fee;
/* compute contribution of this coin (after fees) */
au->have_refund = GNUNET_NO;
qs = db_plugin->select_refunds_by_coin (db_plugin->cls,
au->session,
@ -562,43 +567,45 @@ aggregate_cb (void *cls,
}
if (GNUNET_NO == au->have_refund)
{
struct TALER_Amount tmp;
GNUNET_log (GNUNET_ERROR_TYPE_DEBUG,
"Subtracting deposit fee %s for non-refunded coin\n",
TALER_amount2s (deposit_fee));
if (GNUNET_SYSERR ==
TALER_amount_subtract (&delta,
amount_with_fee,
TALER_amount_subtract (&tmp,
&au->total_amount,
deposit_fee))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Fatally malformed record at %llu over amount %s (deposit fee exceeds deposited value)\n",
(unsigned long long) row_id,
TALER_amount2s (&au->total_amount));
GNUNET_assert (GNUNET_OK ==
TALER_amount_get_zero (old.currency,
&au->total_amount));
}
else
{
GNUNET_assert (GNUNET_OK ==
TALER_amount_get_zero (au->total_amount.currency,
&delta));
au->total_amount = tmp;
}
}
else
{
delta = *amount_with_fee;
}
/* now add the au->total_amount with the (remaining) contribution of
the current coin to the 'old' value with the current aggregate value */
{
struct TALER_Amount tmp;
if (GNUNET_OK !=
TALER_amount_add (&tmp,
&au->total_amount,
&delta))
&old))
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Overflow or currency incompatibility during aggregation at %llu\n",
(unsigned long long) row_id);
/* Skip this one, but keep going! */
au->total_amount = old;
return GNUNET_DB_STATUS_SUCCESS_ONE_RESULT;
}
au->total_amount = tmp;