some comments on aggregator

This commit is contained in:
Florian Dold 2020-01-20 00:07:39 +01:00
parent 26af6b2328
commit c87eb30e78
No known key found for this signature in database
GPG Key ID: D2E4F00F29D02A4B
3 changed files with 31 additions and 17 deletions

View File

@ -331,7 +331,7 @@ advance_fees (struct WireAccount *wa,
/**
* Update wire transfer fee data structure in @a wp.
* Update wire transfer fee data structure in @a wa.
*
* @param wa wire account data structure to update
* @param now timestamp to update fees to
@ -409,6 +409,7 @@ find_account_by_method (const char *method)
* @param url wire address we need an account for
* @return NULL on error
*/
// FIXME(dold): should be find_account_by_uri
static struct WireAccount *
find_account_by_url (const char *url)
{
@ -603,24 +604,21 @@ exchange_serve_process_config ()
return GNUNET_SYSERR;
}
if ( (GNUNET_OK !=
TALER_config_get_amount (cfg,
"taler",
"CURRENCY_ROUND_UNIT",
&currency_round_unit)) ||
(0 != strcasecmp (exchange_currency_string,
currency_round_unit.currency)) ||
( (0 != currency_round_unit.fraction) &&
(0 != currency_round_unit.value) ) )
{
if ( (GNUNET_OK !=
TALER_config_get_amount (cfg,
"taler",
"CURRENCY_ROUND_UNIT",
&currency_round_unit)) ||
(0 != strcasecmp (exchange_currency_string,
currency_round_unit.currency)) ||
( (0 != currency_round_unit.fraction) &&
(0 != currency_round_unit.value) ) )
{
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Invalid value specified in section `TALER' under `CURRENCY_ROUND_UNIT'\n");
return GNUNET_SYSERR;
}
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Invalid value specified in section `TALER' under `CURRENCY_ROUND_UNIT'\n");
return GNUNET_SYSERR;
}
if (NULL ==
(db_plugin = TALER_EXCHANGEDB_plugin_load (cfg)))
{
@ -744,6 +742,9 @@ deposit_cb (void *cls,
amount_with_fee,
deposit_fee))
{
// FIXME(dold): Shouldn't we somehow survive this? Of course it should show up in the auditor's report,
// but due to some misconfiguration with restarts in between deposit fees could have changed.
// That's bad, but should we really refuse to continue completely?
GNUNET_log (GNUNET_ERROR_TYPE_ERROR,
"Fatally malformed record at row %llu over %s\n",
(unsigned long long) row_id,
@ -963,6 +964,8 @@ aggregate_cb (void *cls,
}
// FIXME(dold): we should move these to the top
/**
* Main work function that finds and triggers transfers for reserves
* closures.
@ -1044,6 +1047,7 @@ struct ExpiredReserveContext
* @param cls a `struct ExpiredReserveContext *`
* @param reserve_pub public key of the reserve
* @param left amount left in the reserve
* // FIXME(dold): So the following parameter is a payto URI?
* @param account_details information about the reserve's bank account
* @param expiration_date when did the reserve expire
* @return transaction status code
@ -1310,6 +1314,8 @@ run_reserve_closures (void *cls)
task = GNUNET_SCHEDULER_add_now (&run_reserve_closures,
NULL);
return;
// FIXME(dold): shouldn't we at least GNUNET_break on the case where
// we have more than one result? Not clear that get_expired reserves can't return more results?
}
}
@ -1323,6 +1329,7 @@ run_reserve_closures (void *cls)
static void
run_aggregation (void *cls)
{
// FIXME(dold): This should be unsigned, as behavior on signed overflow is undefined ;-)
static int swap;
struct TALER_EXCHANGEDB_Session *session;
enum GNUNET_DB_QueryStatus qs;
@ -1404,6 +1411,8 @@ run_aggregation (void *cls)
task = GNUNET_SCHEDULER_add_now (&run_reserve_closures,
NULL);
else
// FIXME(dold): Why a minute? Maybe for some giant "wallet integration test" we want this
// to be configurable to something much faster?
/* nothing to do, sleep for a minute and try again */
task = GNUNET_SCHEDULER_add_delayed (GNUNET_TIME_UNIT_MINUTES,
&run_aggregation,
@ -1746,7 +1755,7 @@ wire_prepare_cb (void *cls,
if (NULL == wpd->wa)
{
/* Should really never happen here, as when we get
here the plugin should be in the cache. */
here the wire account should be in the cache. */
GNUNET_break (0);
db_plugin->rollback (db_plugin->cls,
wpd->session);
@ -1765,6 +1774,7 @@ wire_prepare_cb (void *cls,
NULL);
if (NULL == wpd->eh)
{
// FIXME(dold): Comment below is a fixme, but without a marker!
GNUNET_break (0); /* why? how to best recover? */
db_plugin->rollback (db_plugin->cls,
wpd->session);
@ -1822,6 +1832,8 @@ run_transfers (void *cls)
session,
&wire_prepare_cb,
NULL);
// FIXME(dold): comment below is misleading, should't that be wire_confirm_cb,
// as wire_prepare_cb is already called?
if (GNUNET_DB_STATUS_SUCCESS_ONE_RESULT == qs)
return; /* continues in #wire_prepare_cb() */
db_plugin->rollback (db_plugin->cls,

View File

@ -121,6 +121,7 @@ check_for_account (void *cls,
* @param cb callback to invoke
* @param cb_cls closure for @a cb
*/
// FIXME(dold): why is this part of the exchange database? Does this really belong here?
void
TALER_EXCHANGEDB_find_accounts (const struct GNUNET_CONFIGURATION_Handle *cfg,
TALER_EXCHANGEDB_AccountCallback cb,

View File

@ -298,6 +298,7 @@ TALER_EXCHANGEDB_plugin_unload (struct TALER_EXCHANGEDB_Plugin *plugin);
/**
* FIXME(dold): Sorted by what, start or end?
* Sorted list of fees to be paid for aggregate wire transfers.
*/
struct TALER_EXCHANGEDB_AggregateFees