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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 OR REPLACE FUNCTION create_table_aml_history(
IN partition_suffix VARCHAR DEFAULT NULL
)
RETURNS VOID
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'aml_history';
BEGIN
PERFORM create_partitioned_table(
'CREATE TABLE IF NOT EXISTS %I'
'(aml_history_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY'
',h_payto BYTEA PRIMARY KEY CHECK (LENGTH(h_payto)=32)'
',new_threshold_val INT8 NOT NULL DEFAULT(0)'
',new_threshold_frac INT4 NOT NULL DEFAULT(0)'
',new_status INT4 NOT NULL DEFAULT(0)'
',decision_time INT8 NOT NULL DEFAULT(0)'
',justification VARCHAR NOT NULL'
',decider_pub BYTEA CHECK (LENGTH(decider_pub)=32)'
',decider_sig BYTEA CHECK (LENGTH(decider_sig)=64)'
') %s ;'
,table_name
,'PARTITION BY HASH (h_payto)'
,partition_suffix
);
PERFORM comment_partitioned_table(
'AML decision history for a particular payment destination'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'hash of the payto://-URI this AML history is about'
,'h_payto'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'new monthly inbound transaction limit below which we are OK'
,'new_threshold_val'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'0 for all OK, 1 for AML decision required, 2 for account is frozen (prevents further transactions)'
,'new_status'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'when was the status changed'
,'decision_time'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'human-readable justification for the status change'
,'justification'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'Public key of the staff member who made the AML decision'
,'decider_pub'
,table_name
,partition_suffix
);
PERFORM comment_partitioned_column(
'Signature key of the staff member affirming the AML decision; of type AML_DECISION'
,'decider_sig'
,table_name
,partition_suffix
);
END $$;
COMMENT ON FUNCTION create_table_aml_history
IS 'Creates the aml_history table';
CREATE OR REPLACE FUNCTION constrain_table_aml_history(
IN partition_suffix VARCHAR
)
RETURNS void
LANGUAGE plpgsql
AS $$
DECLARE
table_name VARCHAR DEFAULT 'aml_history';
BEGIN
table_name = concat_ws('_', table_name, partition_suffix);
EXECUTE FORMAT (
'ALTER TABLE ' || table_name ||
' ADD CONSTRAINT ' || table_name || '_serial_key '
'UNIQUE (aml_history_serial_id)'
);
EXECUTE FORMAT (
'CREATE INDEX ' || table_name || '_main_index '
'ON ' || table_name || ' '
'(h_payto ASC, decision_time ASC);'
);
END $$;
INSERT INTO exchange_tables
(name
,version
,action
,partitioned
,by_range)
VALUES
('aml_history'
,'exchange-0003'
,'create'
,TRUE
,FALSE),
('aml_history'
,'exchange-0003'
,'constrain'
,TRUE
,FALSE);
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