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author | Özgür Kesim <oec-taler@kesim.org> | 2023-05-01 14:05:58 +0200 |
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committer | Özgür Kesim <oec-taler@kesim.org> | 2023-05-01 14:05:58 +0200 |
commit | 1a63275d9804762f0bcdc1cd23060c2e9b364fbb (patch) | |
tree | 2ac8d645d80089cb4674c9878c217025c0a984de /src/exchangedb/0003-age_withdraw_reveals.sql | |
parent | af3c92f9d5a9e0d674ab2b1d8028268552ab9f5b (diff) | |
download | exchange-1a63275d9804762f0bcdc1cd23060c2e9b364fbb.tar.xz |
WiP: age-withdraw, finished reveal-request, 10/n
- /age-withdraw/$ACH/reveal handler now fully implemented
- for consistency with api: rename of tables from withdraw_age_... to
age_withdraw
Diffstat (limited to 'src/exchangedb/0003-age_withdraw_reveals.sql')
-rw-r--r-- | src/exchangedb/0003-age_withdraw_reveals.sql | 152 |
1 files changed, 152 insertions, 0 deletions
diff --git a/src/exchangedb/0003-age_withdraw_reveals.sql b/src/exchangedb/0003-age_withdraw_reveals.sql new file mode 100644 index 000000000..1c55fb190 --- /dev/null +++ b/src/exchangedb/0003-age_withdraw_reveals.sql @@ -0,0 +1,152 @@ +-- +-- This file is part of TALER +-- Copyright (C) 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 FUNCTION create_table_age_withdraw_revealed_coins( + IN partition_suffix VARCHAR DEFAULT NULL +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name VARCHAR DEFAULT 'age_withdraw_revealed_coins'; +BEGIN + PERFORM create_partitioned_table( + 'CREATE TABLE %I' + '(age_withdraw_revealed_coins_id BIGINT GENERATED BY DEFAULT AS IDENTITY' -- UNIQUE + ',h_commitment BYTEA NOT NULL CHECK (LENGTH(h_commitment)=64)' + ',freshcoin_index INT4 NOT NULL' + ',denominations_serial INT8 NOT NULL' + ',coin_ev BYTEA NOT NULL' + ',h_coin_ev BYTEA CHECK (LENGTH(h_coin_ev)=64)' + ',ev_sig BYTEA NOT NULL' + ') %s ;' + ,table_name + ,'PARTITION BY HASH (h_commitment)' + ,partition_suffix + ); + PERFORM comment_partitioned_table( + 'Reveal of proofs of the correct age restriction after the commitment when withdrawing coins with age restriction' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Foreign key reference to the corresponding commitment' + ,'h_commitment' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Index of the coin in the withdraw-age request, which is implicitly a batch request' + ,'freshcoin_index' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Foreign key reference to the denominations' + ,'denominations_serial' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Envelope of the new coin to be signed' + ,'coin_ev' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Hash of the envelope of the new coin to be signed (for lookups)' + ,'h_coin_ev' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Exchange signature over the envelope' + ,'ev_sig' + ,table_name + ,partition_suffix + ); +END +$$; + +CREATE FUNCTION constrain_table_age_withdraw_revealed_coins( + IN partition_suffix VARCHAR +) +RETURNS void +LANGUAGE plpgsql +AS $$ +DECLARE + table_name VARCHAR DEFAULT 'age_withdraw_revealed_coins'; +BEGIN + table_name = concat_ws('_', table_name, partition_suffix); + + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_age_withdraw_revealed_coins_id_key' + ' UNIQUE (age_withdraw_revealed_coins_id);' + ); + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_freshcoin_index_and_h_commitment_uniqueness' + ' UNIQUE (freshcoin_index, h_commitment);' + ); +END +$$; + +CREATE FUNCTION foreign_table_age_withdraw_revealed_coins() +RETURNS void +LANGUAGE plpgsql +AS $$ +DECLARE + table_name VARCHAR DEFAULT 'age_withdraw_revealed_coins'; +BEGIN + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_foreign_h_commitment' + ' FOREIGN KEY (h_commitment)' + ' REFERENCES age_withdraw_commitments (h_commitment) ON DELETE CASCADE;' + ); + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_foreign_denominations_serial' + ' FOREIGN KEY (denominations_serial) ' + ' REFERENCES denominations (denominations_serial) ON DELETE CASCADE;' + ); +END +$$; + + +INSERT INTO exchange_tables + (name + ,version + ,action + ,partitioned + ,by_range) + VALUES + ('age_withdraw_revealed_coins' + ,'exchange-0003' + ,'create' + ,TRUE + ,FALSE), + ('age_withdraw_revealed_coins' + ,'exchange-0003' + ,'constrain' + ,TRUE + ,FALSE), + ('age_withdraw_revealed_coins' + ,'exchange-0003' + ,'foreign' + ,TRUE + ,FALSE); |