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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);