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expand DB plugin to return payback information as part of coin/reserve histories

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This commit is contained in:
Christian Grothoff 2017-04-02 18:17:29 +02:00
parent d8542d729a
commit b95522c1dd
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GPG Key ID: 939E6BE1E29FC3CC
1 changed files with 89 additions and 6 deletions
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95
src/exchangedb/plugin_exchangedb_postgres.c
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@ -1432,10 +1432,28 @@ postgres_prepare (PGconn *db_conn)
",denom.denom_pub"
",denom.denom_sig"
" FROM payback"
" JOIN reserves_out denom USING (h_blind_ev)"
" JOIN reserves_out denom USING (reserve_pub,h_blind_ev)"
" WHERE payback.reserve_pub=$1",
1, NULL);
/* Used in #postgres_get_coin_transactions() to obtain payback transactions
for a coin */
PREPARE ("payback_by_coin",
"SELECT"
" payback.reserve_pub"
",coin_sig"
",coin_blind"
",amount_val"
",amount_frac"
",amount_curr"
",timestamp"
",denom.denom_pub"
",denom.denom_sig"
" FROM payback"
" JOIN reserves_out denom USING (reserve_pub,h_blind_ev)"
" WHERE payback.coin_pub=$1",
1, NULL);
/* Used in #postgres_get_reserve_by_h_blind() */
@ -3923,10 +3941,10 @@ postgres_get_coin_transactions (void *cls,
struct TALER_EXCHANGEDB_TransactionList *head;
head = NULL;
/* check deposits */
/** #TALER_EXCHANGEDB_TT_DEPOSIT */
{
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (&coin_pub->eddsa_pub),
GNUNET_PQ_query_param_auto_from_type (coin_pub),
GNUNET_PQ_query_param_end
};
int nrows;
@ -4003,7 +4021,7 @@ postgres_get_coin_transactions (void *cls,
}
PQclear (result);
}
/* Handle refreshing */
/** #TALER_EXCHANGEDB_TT_REFRESH_MELT */
{
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (&coin_pub->eddsa_pub),
@ -4074,10 +4092,10 @@ postgres_get_coin_transactions (void *cls,
}
PQclear (result);
}
/* handle refunds */
/** #TALER_EXCHANGEDB_TT_REFUND */
{
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (&coin_pub->eddsa_pub),
GNUNET_PQ_query_param_auto_from_type (coin_pub),
GNUNET_PQ_query_param_end
};
int nrows;
@ -4149,6 +4167,71 @@ postgres_get_coin_transactions (void *cls,
}
PQclear (result);
}
/** #TALER_EXCHANGEDB_TT_PAYBACK */
{
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (coin_pub),
GNUNET_PQ_query_param_end
};
int nrows;
int i;
PGresult *result;
struct TALER_EXCHANGEDB_TransactionList *tl;
/* check if a refund records exist and get them */
result = GNUNET_PQ_exec_prepared (session->conn,
"payback_by_coin",
params);
if (PGRES_TUPLES_OK != PQresultStatus (result))
{
BREAK_DB_ERR (result, session->conn);
PQclear (result);
goto cleanup;
}
nrows = PQntuples (result);
for (i=0;i<nrows;i++)
{
struct TALER_EXCHANGEDB_Payback *payback;
payback = GNUNET_new (struct TALER_EXCHANGEDB_Payback);
{
struct GNUNET_PQ_ResultSpec rs[] = {
TALER_PQ_result_spec_amount ("amount",
&payback->value),
GNUNET_PQ_result_spec_auto_from_type ("reserve_pub",
&payback->reserve_pub),
GNUNET_PQ_result_spec_auto_from_type ("coin_blind",
&payback->coin_blind),
GNUNET_PQ_result_spec_auto_from_type ("coin_sig",
&payback->coin_sig),
GNUNET_PQ_result_spec_absolute_time ("timestamp",
&payback->timestamp),
GNUNET_PQ_result_spec_rsa_public_key ("denom_pub",
&payback->denom_pub.rsa_public_key),
GNUNET_PQ_result_spec_end
};
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result,
rs,
i))
{
GNUNET_break (0);
GNUNET_free (payback);
PQclear (result);
goto cleanup;
}
payback->coin_pub = *coin_pub;
}
tl = GNUNET_new (struct TALER_EXCHANGEDB_TransactionList);
tl->next = head;
tl->type = TALER_EXCHANGEDB_TT_PAYBACK;
tl->details.payback = payback;
head = tl;
continue;
}
PQclear (result);
}
return head;
cleanup:
if (NULL != head)