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--
-- This file is part of TALER
-- Copyright (C) 2014--2023 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_reserves_out(
IN partition_suffix TEXT DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name TEXT default 'reserves_out';
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE %I'
'(reserve_out_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
',h_blind_ev BYTEA CHECK (LENGTH(h_blind_ev)=64) UNIQUE'
',denominations_serial INT8 NOT NULL'
',denom_sig BYTEA NOT NULL'
',reserve_uuid INT8 NOT NULL'
',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)'
',execution_date INT8 NOT NULL'
',amount_with_fee taler_amount NOT NULL'
') %s ;'
,'reserves_out'
,'PARTITION BY HASH (h_blind_ev)'
,partition_suffix
);
PERFORM comment_partitioned_table (
'Withdraw operations performed on reserves.'
,'reserves_out'
,partition_suffix
);
PERFORM comment_partitioned_column (
'Hash of the blinded coin, used as primary key here so that broken clients that use a non-random coin or blinding factor fail to withdraw (otherwise they would fail on deposit when the coin is not unique there).'
,'h_blind_ev'
,'reserves_out'
,partition_suffix
);
PERFORM comment_partitioned_column (
'We do not CASCADE ON DELETE for the foreign constrain here, as we may keep the denomination data alive'
,'denominations_serial'
,'reserves_out'
,partition_suffix
);
END
$$;
CREATE FUNCTION constrain_table_reserves_out(
IN partition_suffix TEXT
)
RETURNS void
LANGUAGE plpgsql
AS $$
DECLARE
table_name TEXT default 'reserves_out';
BEGIN
table_name = concat_ws('_', table_name, partition_suffix);
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD CONSTRAINT ' || table_name || '_reserve_out_serial_id_key'
' UNIQUE (reserve_out_serial_id)'
);
EXECUTE FORMAT (
'CREATE INDEX ' || table_name || '_by_reserve_uuid_and_execution_date_index '
'ON ' || table_name || ' '
'(reserve_uuid, execution_date);'
);
EXECUTE FORMAT (
'COMMENT ON INDEX ' || table_name || '_by_reserve_uuid_and_execution_date_index '
'IS ' || quote_literal('for do_gc, do_recoup_by_reserve, select_kyc_relevant_withdraw_events and a few others') || ';'
);
END
$$;
CREATE FUNCTION foreign_table_reserves_out()
RETURNS void
LANGUAGE plpgsql
AS $$
DECLARE
table_name TEXT default 'reserves_out';
BEGIN
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD CONSTRAINT ' || table_name || '_foreign_denom'
' FOREIGN KEY (denominations_serial)'
' REFERENCES denominations (denominations_serial)'
',ADD CONSTRAINT ' || table_name || '_foreign_reserve '
' FOREIGN KEY (reserve_uuid)'
' REFERENCES reserves (reserve_uuid) ON DELETE CASCADE'
);
END
$$;
CREATE FUNCTION reserves_out_insert_trigger()
RETURNS trigger
LANGUAGE plpgsql
AS $$
BEGIN
INSERT INTO reserve_history
(reserve_pub
,table_name
,serial_id)
SELECT
res.reserve_pub
,'reserves_out'
,NEW.reserve_out_serial_id
FROM
reserves res
WHERE res.reserve_uuid = NEW.reserve_uuid;
RETURN NEW;
END $$;
COMMENT ON FUNCTION reserves_out_insert_trigger()
IS 'Replicate reserve_out inserts into reserve_history table.';
CREATE FUNCTION master_table_reserves_out()
RETURNS void
LANGUAGE plpgsql
AS $$
BEGIN
CREATE TRIGGER reserves_out_on_insert
AFTER INSERT
ON reserves_out
FOR EACH ROW EXECUTE FUNCTION reserves_out_insert_trigger();
END $$;
COMMENT ON FUNCTION master_table_reserves_out()
IS 'Setup triggers to replicate reserve_out into reserve_history.';
INSERT INTO exchange_tables
(name
,version
,action
,partitioned
,by_range)
VALUES
('reserves_out'
,'exchange-0002'
,'create'
,TRUE
,FALSE),
('reserves_out'
,'exchange-0002'
,'constrain'
,TRUE
,FALSE),
('reserves_out'
,'exchange-0002'
,'foreign'
,TRUE
,FALSE),
('reserves_out'
,'exchange-0002'
,'master'
,TRUE
,FALSE);
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