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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/>
--
-- @author: Özgür Kesim
CREATE FUNCTION create_table_policy_fulfillments(
IN partition_suffix TEXT DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name TEXT DEFAULT 'policy_fulfillments';
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE %I '
'(h_fulfillment_proof gnunet_hashcode PRIMARY KEY'
',fulfillment_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
',fulfillment_timestamp INT8 NOT NULL'
',fulfillment_proof TEXT'
',policy_hash_codes gnunet_hashcode[] NOT NULL'
') %s ;'
,table_name
,'PARTITION BY HASH (h_fulfillment_proof)'
,partition_suffix
);
PERFORM comment_partitioned_table(
'Proofs of fulfillment of policies that were set in deposits'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'Timestamp of the arrival of a proof of fulfillment'
,'fulfillment_timestamp'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'JSON object with a proof of the fulfillment of a policy. Supported details depend on the policy extensions supported by the exchange.'
,'fulfillment_proof'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'Hash of the fulfillment_proof'
,'h_fulfillment_proof'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'Array of the policy_hash_code''s of all policy_details that are fulfilled by this proof'
,'policy_hash_codes'
,table_name
,partition_suffix
);
END
$$;
COMMENT ON FUNCTION create_table_policy_fulfillments
IS 'Creates the policy_fulfillments table';
CREATE FUNCTION constrain_table_policy_fulfillments(
IN partition_suffix TEXT
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
partition_name TEXT;
BEGIN
partition_name = concat_ws('_', 'policy_fulfillments', partition_suffix);
EXECUTE FORMAT (
'ALTER TABLE ' || partition_name ||
' ADD CONSTRAINT ' || partition_name || '_serial_id '
' UNIQUE (h_fulfillment_proof, fulfillment_id)'
);
END
$$;
INSERT INTO exchange_tables
(name
,version
,action
,partitioned
,by_range)
VALUES
('policy_fulfillments', 'exchange-0002', 'create', TRUE ,FALSE),
('policy_fulfillments', 'exchange-0002', 'constrain', TRUE ,FALSE);
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