103 lines
2.6 KiB
MySQL
103 lines
2.6 KiB
MySQL
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--
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-- This file is part of TALER
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-- Copyright (C) 2023 Taler Systems SA
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--
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-- TALER is free software; you can redistribute it and/or modify it under the
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-- terms of the GNU General Public License as published by the Free Software
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-- Foundation; either version 3, or (at your option) any later version.
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--
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-- TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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-- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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-- A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License along with
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-- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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--
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CREATE OR REPLACE FUNCTION exchange_do_insert_aml_decision(
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IN in_h_payto BYTEA,
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IN in_new_threshold_val INT8,
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IN in_new_threshold_frac INT4,
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IN in_new_status INT4,
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IN in_decision_time INT8,
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IN in_justification VARCHAR,
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IN in_decider_pub BYTEA,
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IN in_decider_sig BYTEA,
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OUT out_invalid_officer BOOLEAN,
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OUT out_last_date INT8)
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LANGUAGE plpgsql
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AS $$
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-- Check officer is eligible to make decisions.
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PERFORM
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FROM exchange.aml_staff
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WHERE decider_pub=in_decider_pub
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AND is_active
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AND NOT read_only;
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IF NOT FOUND
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THEN
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out_invalid_officer=TRUE;
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out_last_date=0;
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RETURN;
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END IF;
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out_invalid_officer=FALSE;
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-- Check no more recent decision exists.
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SELECT decision_time
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INTO out_last_date
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FROM exchange.aml_history
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WHERE h_payto=in_h_payto
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ORDER BY decision_time DESC;
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IF FOUND
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THEN
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IF out_last_date >= in_decision_time
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THEN
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-- Refuse to insert older decision.
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RETURN;
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END IF;
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UPDATE exchange.aml_status
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SET threshold_val=in_threshold_val
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,threshold_frac=in_threshold_frac
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,status=in_new_status
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WHERE h_payto=in_h_payto;
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ASSERT FOUND, 'cannot have AML decision history but no AML status';
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ELSE
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out_last_date = 0;
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INSERT INTO exchange.aml_status
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(h_payto
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,threshold_val
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,threshold_frac
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,status)
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VALUES
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(in_h_payto
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,in_threshold_val
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,in_threshold_frac
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,in_new_status);
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END IF;
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INSERT INTO exchange.aml_history
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(h_payto
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,new_threshold_val
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,new_threshold_frac
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,new_status
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,decision_time
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,justification
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,decider_pub
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,decider_sig
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) VALUES
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(in_h_payto
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,in_new_threshold_val
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,in_new_threshold_frac
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,in_new_status
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,in_decision_time
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,in_justification
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,in_decider_pub
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,in_decider_sig);
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END $$;
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COMMENT ON FUNCTION exchange_do_insert_aml_decision(BYTEA, INT8, INT4, INT4, INT8, VARCHAR, BYTEA, BYTEA)
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IS 'Checks whether the AML officer is eligible to make AML decisions and if so inserts the decision into the table';
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