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implement logic to store refund data into postgres database

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This commit is contained in:
Christian Grothoff 2016-05-06 12:55:44 +02:00
parent 0c959e75d1
commit a4d99f229a
1 changed files with 144 additions and 27 deletions
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129
src/exchangedb/plugin_exchangedb_postgres.c
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@ -366,6 +366,25 @@ postgres_create_tables (void *cls)
",PRIMARY KEY (session_hash, oldcoin_index)" /* a coin can be used only
once in a refresh session */
") ");
/* Table with information about coins that have been refunded. (Technically
one of the deposit operations that a coin was involved with is refunded.)*/
SQLEXEC("CREATE TABLE IF NOT EXISTS refunds "
"(coin_pub BYTEA NOT NULL REFERENCES known_coins (coin_pub)"
",merchant_pub BYTEA NOT NULL CHECK(LENGTH(merchant_pub)=32)"
",merchant_sig BYTEA NOT NULL CHECK(LENGTH(merchant_pub)=64)"
",h_contract BYTEA NOT NULL CHECK(LENGTH(merchant_pub)=64)"
",transaction_id INT8 NOT NULL"
",rtransaction_id INT8 NOT NULL"
",amount_with_fee_val INT8 NOT NULL"
",amount_with_fee_frac INT4 NOT NULL"
",amount_with_fee_curr VARCHAR("TALER_CURRENCY_LEN_STR") NOT NULL"
",refund_fee_val INT8 NOT NULL"
",refund_fee_frac INT4 NOT NULL"
",refund_fee_curr VARCHAR("TALER_CURRENCY_LEN_STR") NOT NULL"
",PRIMARY KEY (coin_pub, merchant_pub, transaction_id, rtransaction_id)" /* this combo must be unique, and we usually select by coin_pub */
") ");
/* Table with information about the desired denominations to be created
during a refresh operation; contains the denomination key for each
of the coins (for a given refresh session) */
@ -892,6 +911,26 @@ postgres_prepare (PGconn *db_conn)
" $11, $12, $13, $14, $15, $16, $17, $18);",
18, NULL);
/* Used in #postgres_insert_refund() to store refund information */
PREPARE ("insert_refund",
"INSERT INTO refunds "
"(coin_pub "
",merchant_pub "
",merchant_sig "
",h_contract "
",transaction_id "
",rtransaction_id "
",amount_with_fee_val "
",amount_with_fee_frac "
",amount_with_fee_curr "
",refund_fee_val "
",refund_fee_frac "
",refund_fee_curr "
") VALUES "
"($1, $2, $3, $4, $5, $6, $7, $8, $9, $10,"
" $11, $12);",
12, NULL);
/* Fetch an existing deposit request, used to ensure idempotency
during /deposit processing. Used in #postgres_have_deposit(). */
PREPARE ("get_deposit",
@ -995,6 +1034,17 @@ postgres_prepare (PGconn *db_conn)
" WHERE serial_id=$1",
1, NULL);
/* Used in #postgres_test_deposit_done() */
PREPARE ("test_deposit_done",
"SELECT done"
" FROM deposits"
" WHERE coin_pub=$1"
" AND transaction_id=$2"
" AND merchant_pub=$3"
" AND h_contract=$4"
" AND h_wire=$5",
5, NULL);
/* Used in #postgres_get_coin_transactions() to obtain information
about how a coin has been spend with /deposit requests. */
PREPARE ("get_deposit_with_coin_pub",
@ -2191,8 +2241,50 @@ postgres_test_deposit_done (void *cls,
struct TALER_EXCHANGEDB_Session *session,
const struct TALER_EXCHANGEDB_Deposit *deposit)
{
GNUNET_break (0); // not implemented
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (&deposit->coin.coin_pub),
GNUNET_PQ_query_param_uint64 (&deposit->transaction_id),
GNUNET_PQ_query_param_auto_from_type (&deposit->merchant_pub),
GNUNET_PQ_query_param_auto_from_type (&deposit->h_contract),
GNUNET_PQ_query_param_auto_from_type (&deposit->h_wire),
GNUNET_PQ_query_param_end
};
PGresult *result;
result = GNUNET_PQ_exec_prepared (session->conn,
"test_deposit_done",
params);
if (PGRES_TUPLES_OK !=
PQresultStatus (result))
{
BREAK_DB_ERR (result);
PQclear (result);
return GNUNET_SYSERR;
}
if (0 == PQntuples (result))
{
PQclear (result);
return GNUNET_SYSERR;
}
{
/* NOTE: maybe wrong type for a 'boolean' */
uint32_t done;
struct GNUNET_PQ_ResultSpec rs[] = {
GNUNET_PQ_result_spec_uint32 ("done",
&done),
GNUNET_PQ_result_spec_end
};
if (GNUNET_OK !=
GNUNET_PQ_extract_result (result, rs, 0))
{
GNUNET_break (0);
PQclear (result);
return GNUNET_SYSERR;
}
PQclear (result);
return (done ? GNUNET_YES : GNUNET_NO);
}
}
@ -2449,8 +2541,6 @@ postgres_insert_deposit (void *cls,
{
PGresult *result;
int ret;
{
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (&deposit->coin.coin_pub),
GNUNET_PQ_query_param_rsa_public_key (deposit->coin.denom_pub.rsa_public_key),
@ -2471,7 +2561,6 @@ postgres_insert_deposit (void *cls,
result = GNUNET_PQ_exec_prepared (session->conn,
"insert_deposit",
params);
}
if (PGRES_COMMAND_OK != PQresultStatus (result))
{
BREAK_DB_ERR (result);
@ -2499,8 +2588,36 @@ postgres_insert_refund (void *cls,
struct TALER_EXCHANGEDB_Session *session,
const struct TALER_EXCHANGEDB_Refund *refund)
{
GNUNET_break (0); // not implemented
return GNUNET_SYSERR;
PGresult *result;
int ret;
struct GNUNET_PQ_QueryParam params[] = {
GNUNET_PQ_query_param_auto_from_type (&refund->coin.coin_pub),
GNUNET_PQ_query_param_auto_from_type (&refund->merchant_pub),
GNUNET_PQ_query_param_auto_from_type (&refund->merchant_sig),
GNUNET_PQ_query_param_auto_from_type (&refund->h_contract),
GNUNET_PQ_query_param_uint64 (&refund->transaction_id),
GNUNET_PQ_query_param_uint64 (&refund->rtransaction_id),
TALER_PQ_query_param_amount (&refund->refund_amount),
TALER_PQ_query_param_amount (&refund->refund_fee),
GNUNET_PQ_query_param_end
};
GNUNET_assert (GNUNET_YES ==
TALER_amount_cmp_currency (&refund->refund_amount,
&refund->refund_fee));
result = GNUNET_PQ_exec_prepared (session->conn,
"insert_refund",
params);
if (PGRES_COMMAND_OK != PQresultStatus (result))
{
ret = GNUNET_SYSERR;
BREAK_DB_ERR (result);
}
else
{
ret = GNUNET_OK;
}
PQclear (result);
return ret;
}