126 lines
3.5 KiB
PL/PgSQL
126 lines
3.5 KiB
PL/PgSQL
--
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-- This file is part of TALER
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-- Copyright (C) 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 FUNCTION create_table_age_withdraw_revealed_coins(
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IN partition_suffix VARCHAR DEFAULT NULL
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)
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RETURNS VOID
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LANGUAGE plpgsql
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AS $$
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DECLARE
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table_name VARCHAR DEFAULT 'age_withdraw_revealed_coins';
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BEGIN
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PERFORM create_partitioned_table(
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'CREATE TABLE %I'
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'(age_withdraw_revealed_coins_id BIGINT GENERATED BY DEFAULT AS IDENTITY' -- UNIQUE
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',h_commitment BYTEA NOT NULL CHECK (LENGTH(h_commitment)=64)'
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',coin_index INT4 NOT NULL'
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',h_coin_ev BYTEA CHECK (LENGTH(h_coin_ev)=64)'
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') %s ;'
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,table_name
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,'PARTITION BY HASH (h_coin_ev)'
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,partition_suffix
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);
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PERFORM comment_partitioned_table(
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'Reveal of proofs of the correct age restriction after the commitment when withdrawing coins with age restriction'
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,table_name
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,partition_suffix
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);
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PERFORM comment_partitioned_column(
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'Foreign key reference to the corresponding commitment'
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,'h_commitment'
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,table_name
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,partition_suffix
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);
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PERFORM comment_partitioned_column(
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'Index of the coin in the age-withdraw request, which is implicitly a batch request'
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,'coin_index'
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,table_name
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,partition_suffix
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);
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PERFORM comment_partitioned_column(
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'Hash of the envelope of the new coin to be signed (for lookups). The corresponding signatures are stores in age_withdraw_commitments.denom_sigs.'
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,'h_coin_ev'
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,table_name
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,partition_suffix
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);
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END
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$$;
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CREATE FUNCTION constrain_table_age_withdraw_revealed_coins(
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IN partition_suffix VARCHAR
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)
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RETURNS void
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LANGUAGE plpgsql
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AS $$
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DECLARE
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table_name VARCHAR DEFAULT 'age_withdraw_revealed_coins';
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BEGIN
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table_name = concat_ws('_', table_name, partition_suffix);
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EXECUTE FORMAT (
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'ALTER TABLE ' || table_name ||
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' ADD CONSTRAINT ' || table_name || '_age_withdraw_revealed_coins_id_key'
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' UNIQUE (age_withdraw_revealed_coins_id);'
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);
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EXECUTE FORMAT (
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'ALTER TABLE ' || table_name ||
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' ADD CONSTRAINT ' || table_name || '_freshcoin_index_and_h_commitment_uniqueness'
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' UNIQUE (freshcoin_index, h_commitment);'
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);
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END
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$$;
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CREATE FUNCTION foreign_table_age_withdraw_revealed_coins()
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RETURNS void
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LANGUAGE plpgsql
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AS $$
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DECLARE
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table_name VARCHAR DEFAULT 'age_withdraw_revealed_coins';
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BEGIN
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EXECUTE FORMAT (
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'ALTER TABLE ' || table_name ||
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' ADD CONSTRAINT ' || table_name || '_foreign_h_commitment'
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' FOREIGN KEY (h_commitment)'
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' REFERENCES age_withdraw_commitments (h_commitment) ON DELETE CASCADE;'
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);
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END
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$$;
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INSERT INTO exchange_tables
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(name
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,version
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,action
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,partitioned
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,by_range)
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VALUES
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('age_withdraw_revealed_coins'
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,'exchange-0003'
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,'create'
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,TRUE
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,FALSE),
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('age_withdraw_revealed_coins'
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,'exchange-0003'
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,'constrain'
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,TRUE
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,FALSE),
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('age_withdraw_revealed_coins'
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,'exchange-0003'
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,'foreign'
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,TRUE
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,FALSE);
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