cp sql/ from GNU Taler exchange

include/sql/0002-aml_history.sql

@@ -0,0 +1,160 @@
+--
+-- 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 TEXT DEFAULT NULL
+)
+RETURNS VOID
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  table_name TEXT 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 CHECK (LENGTH(h_payto)=32)'
+      ',justification TEXT NOT NULL'
+      ',decider_pub BYTEA CHECK (LENGTH(decider_pub)=32)'
+      ',decider_sig BYTEA CHECK (LENGTH(decider_sig)=64)'
+      ',outcome_serial_id INT8 NOT NULL'
+      ',kyc_attributes_hash BYTEA CHECK(LENGTH(kyc_attributes_hash)=64) DEFAULT NULL'
+      ',kyc_attributes_serial_id INT8 DEFAULT NULL'
+    ') %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(
+     '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
+  );
+  PERFORM comment_partitioned_column(
+     'Actual outcome for the account (included in what decider_sig signs over)'
+    ,'outcome_serial_id'
+    ,table_name
+    ,partition_suffix
+  );
+  PERFORM comment_partitioned_column(
+     'Hash of the new attributes inserted by the AML officer.'
+    ,'kyc_attributes_hash'
+    ,'aml_history'
+    ,NULL
+  );
+
+  PERFORM comment_partitioned_column(
+     'Attributes inserted by the AML officer.'
+    ,'kyc_attributes_serial_id'
+    ,'aml_history'
+    ,NULL
+  );
+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 TEXT
+)
+RETURNS void
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  table_name TEXT DEFAULT 'aml_history';
+BEGIN
+  table_name = concat_ws('_', table_name, partition_suffix);
+  EXECUTE FORMAT (
+    'ALTER TABLE ' || table_name ||
+      ' ADD CONSTRAINT ' || table_name || '_serial_key '
+        'UNIQUE (aml_history_serial_id)'
+  );
+  EXECUTE FORMAT (
+    'CREATE INDEX ' || table_name || '_main_index '
+    'ON ' || table_name || ' '
+    '(h_payto);'
+  );
+END $$;
+
+CREATE FUNCTION foreign_table_aml_history()
+RETURNS void
+LANGUAGE plpgsql
+AS $$
+DECLARE
+  table_name TEXT DEFAULT 'aml_history';
+BEGIN
+  EXECUTE FORMAT (
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_legitimization_outcome'
+    ' FOREIGN KEY (outcome_serial_id)'
+    ' REFERENCES legitimization_outcomes (outcome_serial_id)'
+  );
+  EXECUTE FORMAT (
+    'ALTER TABLE ' || table_name ||
+    ' ADD CONSTRAINT ' || table_name || '_foreign_key_kyc_attributes'
+    ' FOREIGN KEY (kyc_attributes_serial_id)'
+    ' REFERENCES kyc_attributes (kyc_attributes_serial_id)');
+END $$;
+
+
+INSERT INTO exchange_tables
+    (name
+    ,version
+    ,action
+    ,partitioned
+    ,by_range)
+  VALUES
+    ('aml_history'
+    ,'exchange-0002'
+    ,'create'
+    ,TRUE
+    ,FALSE),
+    ('aml_history'
+    ,'exchange-0002'
+    ,'constrain'
+    ,TRUE
+    ,FALSE),
+    ('aml_history'
+    ,'exchange-0002'
+    ,'foreign'
+    ,TRUE
+    ,FALSE);
+