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--
-- This file is part of TALER
-- Copyright (C) 2014--2022 Taler Systems SA
--
-- TALER is free software; you can redistribute it and/or modify it under the
-- terms of the GNU General Public License as published by the Free Software
-- Foundation; either version 3, or (at your option) any later version.
--
-- TALER is distributed in the hope that it will be useful, but WITHOUT ANY
-- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
-- A PARTICULAR PURPOSE. See the GNU General Public License for more details.
--
-- You should have received a copy of the GNU General Public License along with
-- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
--
CREATE FUNCTION create_table_cs_nonce_locks(
partition_suffix TEXT DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE %I'
'(cs_nonce_lock_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
',nonce BYTEA PRIMARY KEY CHECK (LENGTH(nonce)=32)'
',op_hash BYTEA NOT NULL CHECK (LENGTH(op_hash)=64)'
',max_denomination_serial INT8 NOT NULL'
') %s ;'
,'cs_nonce_locks'
,'PARTITION BY HASH (nonce)'
,partition_suffix
);
PERFORM comment_partitioned_table(
'ensures a Clause Schnorr client nonce is locked for use with an operation identified by a hash'
,'cs_nonce_locks'
,partition_suffix
);
PERFORM comment_partitioned_column(
'actual nonce submitted by the client'
,'nonce'
,'cs_nonce_locks'
,partition_suffix
);
PERFORM comment_partitioned_column(
'hash (RC for refresh, blind coin hash for withdraw) the nonce may be used with'
,'op_hash'
,'cs_nonce_locks'
,partition_suffix
);
PERFORM comment_partitioned_column(
'Maximum number of a CS denomination serial the nonce could be used with, for GC'
,'max_denomination_serial'
,'cs_nonce_locks'
,partition_suffix
);
END
$$;
CREATE FUNCTION constrain_table_cs_nonce_locks(
IN partition_suffix TEXT
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name TEXT DEFAULT 'cs_nonce_locks';
BEGIN
table_name = concat_ws('_', table_name, partition_suffix);
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD CONSTRAINT ' || table_name || '_cs_nonce_lock_serial_id_key'
' UNIQUE (cs_nonce_lock_serial_id)'
);
END
$$;
INSERT INTO exchange_tables
(name
,version
,action
,partitioned
,by_range)
VALUES
('cs_nonce_locks'
,'exchange-0002'
,'create'
,TRUE
,FALSE),
('cs_nonce_locks'
,'exchange-0002'
,'constrain'
,TRUE
,FALSE);
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