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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/>
--
-- FIXME: this table should be sharded!
CREATE TABLE policy_fulfillments
(fulfillment_id BIGINT GENERATED BY DEFAULT AS IDENTITY UNIQUE PRIMARY KEY
,fulfillment_timestamp INT8 NOT NULL
,fulfillment_proof VARCHAR
,h_fulfillment_proof BYTEA NOT NULL CHECK(LENGTH(h_fulfillment_proof) = 64) UNIQUE
,policy_hash_codes BYTEA NOT NULL CHECK(0 = MOD(LENGTH(policy_hash_codes), 16))
);
COMMENT ON TABLE policy_fulfillments
IS 'Proofs of fulfillment of policies that were set in deposits';
COMMENT ON COLUMN policy_fulfillments.fulfillment_timestamp
IS 'Timestamp of the arrival of a proof of fulfillment';
COMMENT ON COLUMN policy_fulfillments.fulfillment_proof
IS 'JSON object with a proof of the fulfillment of a policy. Supported details depend on the policy extensions supported by the exchange.';
COMMENT ON COLUMN policy_fulfillments.h_fulfillment_proof
IS 'Hash of the fulfillment_proof';
COMMENT ON COLUMN policy_fulfillments.policy_hash_codes
IS 'Concatenation of the policy_hash_code of all policy_details that are fulfilled by this proof';
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