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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_refresh_transfer_keys(
IN partition_suffix TEXT DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name TEXT DEFAULT 'refresh_transfer_keys';
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE %I'
'(rtc_serial BIGINT GENERATED BY DEFAULT AS IDENTITY'
',melt_serial_id INT8 PRIMARY KEY'
',transfer_pub BYTEA NOT NULL CHECK(LENGTH(transfer_pub)=32)'
',transfer_privs BYTEA NOT NULL'
') %s ;'
,table_name
,'PARTITION BY HASH (melt_serial_id)'
,partition_suffix
);
PERFORM comment_partitioned_table(
'Transfer keys of a refresh operation (the data revealed to the exchange).'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'needed for exchange-auditor replication logic'
,'rtc_serial'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'Identifies the refresh commitment (rc) of the operation.'
,'melt_serial_id'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'transfer public key for the gamma index'
,'transfer_pub'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'array of TALER_CNC_KAPPA-1 transfer private keys that have been revealed, with the gamma entry being skipped'
,'transfer_privs'
,table_name
,partition_suffix
);
END
$$;
CREATE FUNCTION constrain_table_refresh_transfer_keys(
IN partition_suffix TEXT
)
RETURNS void
LANGUAGE plpgsql
AS $$
DECLARE
table_name TEXT DEFAULT 'refresh_transfer_keys';
BEGIN
table_name = concat_ws('_', table_name, partition_suffix);
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD CONSTRAINT ' || table_name || '_rtc_serial_key'
' UNIQUE (rtc_serial)'
);
END
$$;
CREATE FUNCTION foreign_table_refresh_transfer_keys()
RETURNS void
LANGUAGE plpgsql
AS $$
DECLARE
table_name TEXT DEFAULT 'refresh_transfer_keys';
BEGIN
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD CONSTRAINT ' || table_name || 'foreign_melt_serial_id'
' FOREIGN KEY (melt_serial_id)'
' REFERENCES refresh_commitments (melt_serial_id) ON DELETE CASCADE'
);
END
$$;
INSERT INTO exchange_tables
(name
,version
,action
,partitioned
,by_range)
VALUES
('refresh_transfer_keys'
,'exchange-0002'
,'create'
,TRUE
,FALSE),
('refresh_transfer_keys'
,'exchange-0002'
,'constrain'
,TRUE
,FALSE),
('refresh_transfer_keys'
,'exchange-0002'
,'foreign'
,TRUE
,FALSE);
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