72 lines
2.2 KiB
PL/PgSQL
72 lines
2.2 KiB
PL/PgSQL
--
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-- This file is part of TALER
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-- Copyright (C) 2014--2022 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_batch_reserves_update(
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IN in_reserve_pub BYTEA,
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IN in_expiration_date INT8,
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IN in_wire_ref INT8,
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IN in_credit taler_amount,
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IN in_exchange_account_name TEXT,
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IN in_wire_source_h_payto BYTEA,
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IN in_notify text,
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OUT out_duplicate BOOLEAN)
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LANGUAGE plpgsql
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AS $$
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BEGIN
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INSERT INTO reserves_in
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(reserve_pub
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,wire_reference
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,credit
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,exchange_account_section
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,wire_source_h_payto
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,execution_date)
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VALUES
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(in_reserve_pub
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,in_wire_ref
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,in_credit
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,in_exchange_account_name
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,in_wire_source_h_payto
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,in_expiration_date)
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ON CONFLICT DO NOTHING;
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IF FOUND
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THEN
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--IF THE INSERTION WAS A SUCCESS IT MEANS NO DUPLICATED TRANSACTION
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out_duplicate = FALSE;
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UPDATE reserves rs
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SET
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current_balance.frac = (rs.current_balance).frac+in_credit.frac
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- CASE
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WHEN (rs.current_balance).frac + in_credit.frac >= 100000000
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THEN 100000000
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ELSE 1
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END
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,current_balance.val = (rs.current_balance).val+in_credit.val
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+ CASE
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WHEN (rs.current_balance).frac + in_credit.frac >= 100000000
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THEN 1
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ELSE 0
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END
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,expiration_date=GREATEST(expiration_date,in_expiration_date)
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,gc_date=GREATEST(gc_date,in_expiration_date)
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WHERE reserve_pub=in_reserve_pub;
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EXECUTE FORMAT (
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'NOTIFY %s'
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,in_notify);
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ELSE
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out_duplicate = TRUE;
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END IF;
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RETURN;
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END $$;
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