77 lines
2.2 KiB
MySQL
77 lines
2.2 KiB
MySQL
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--
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-- This file is part of TALER
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-- Copyright (C) 2023-2025 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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DROP FUNCTION IF EXISTS exchange_do_get_kyc_rules;
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CREATE FUNCTION exchange_do_get_kyc_rules(
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IN in_h_payto BYTEA,
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IN in_now INT8,
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IN in_merchant_pub BYTEA, -- possibly NULL
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OUT out_target_pub BYTEA, -- possibly NULL
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OUT out_reserve_pub BYTEA, -- possibly NULL
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OUT out_jnew_rules JSONB -- possibly NULL
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)
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LANGUAGE plpgsql
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AS $$
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DECLARE
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my_found BOOL;
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BEGIN
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IF in_merchant_pub IS NOT NULL
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THEN
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PERFORM FROM reserves_in
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WHERE reserve_pub=in_merchant_pub
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AND wire_source_h_payto IN
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(SELECT wire_target_h_payto
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FROM wire_targets
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WHERE h_normalized_payto = in_h_payto);
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my_found = FOUND;
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ELSE
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my_found = FALSE;
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END IF;
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IF FOUND
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THEN
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-- The merchant_pub used by the client matches, use that
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out_reserve_pub = in_merchant_pub;
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ELSE
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-- If multiple reserves_in match, we pick the latest one
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SELECT reserve_pub
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INTO out_reserve_pub
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FROM reserves_in
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WHERE wire_source_h_payto IN
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(SELECT wire_target_h_payto
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FROM wire_targets
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WHERE h_normalized_payto = in_h_payto)
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ORDER BY execution_date DESC
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LIMIT 1;
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END IF;
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SELECT target_pub
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INTO out_target_pub
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FROM kyc_targets
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WHERE h_normalized_payto = in_h_payto;
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SELECT jnew_rules
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INTO out_jnew_rules
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FROM legitimization_outcomes
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WHERE h_payto = in_h_payto
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AND COALESCE(expiration_time >= $2, TRUE)
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AND COALESCE(is_active, TRUE)
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-- technically only one should ever be active, but we can be conservative
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ORDER BY expiration_time DESC
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LIMIT 1;
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END $$;
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