diff options
Diffstat (limited to 'src/exchangedb/0003-age_withdraw_commitments.sql')
-rw-r--r-- | src/exchangedb/0003-age_withdraw_commitments.sql | 134 |
1 files changed, 134 insertions, 0 deletions
diff --git a/src/exchangedb/0003-age_withdraw_commitments.sql b/src/exchangedb/0003-age_withdraw_commitments.sql new file mode 100644 index 000000000..d74a697c3 --- /dev/null +++ b/src/exchangedb/0003-age_withdraw_commitments.sql @@ -0,0 +1,134 @@ +-- +-- 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_commitments( + IN partition_suffix VARCHAR DEFAULT NULL +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name VARCHAR DEFAULT 'age_withdraw_commitments'; +BEGIN + PERFORM create_partitioned_table( + 'CREATE TABLE %I' + '(age_withdraw_commitment_id BIGINT GENERATED BY DEFAULT AS IDENTITY' + ',h_commitment BYTEA CHECK (LENGTH(h_commitment)=64)' + ',amount_with_fee_val INT8 NOT NULL' + ',amount_with_fee_frac INT4 NOT NULL' + ',max_age INT2 NOT NULL' + ',reserve_pub BYTEA CHECK (LENGTH(reserve_pub)=32)' + ',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)' + ',noreveal_index INT4 NOT NULL' + ') %s ;' + ,table_name + ,'PARTITION BY HASH (reserve_pub)' + ,partition_suffix + ); + PERFORM comment_partitioned_table( + 'Commitments made when withdrawing coins with age restriction and the gamma value chosen by the exchange.' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'The gamma value chosen by the exchange in the cut-and-choose protocol' + ,'noreveal_index' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'The maximum age (in years) that the client commits to with this request' + ,'max_age' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Commitment made by the client, hash over the various client inputs in the cut-and-choose protocol' + ,'h_commitment' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Reference to the public key of the reserve from which the coins are going to be withdrawn' + ,'reserve_pub' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Signature of the reserve''s private key over the withdraw-age request' + ,'reserve_sig' + ,table_name + ,partition_suffix + ); +END +$$; + + +CREATE FUNCTION constrain_table_age_withdraw_commitments( + IN partition_suffix VARCHAR +) +RETURNS void +LANGUAGE plpgsql +AS $$ +DECLARE + table_name VARCHAR DEFAULT 'age_withdraw_commitments'; +BEGIN + table_name = concat_ws('_', table_name, partition_suffix); + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD PRIMARY KEY (h_commitment);' + ); + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_h_commitment_reserve_pub_key' + ' UNIQUE (h_commitment, reserve_pub);' + ); + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_age_withdraw_commitment_id_key' + ' UNIQUE (age_withdraw_commitment_id);' + ); +END +$$; + + +CREATE FUNCTION foreign_table_age_withdraw_commitments() +RETURNS void +LANGUAGE plpgsql +AS $$ +DECLARE + table_name VARCHAR DEFAULT 'age_withdraw_commitments'; +BEGIN + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_foreign_reserve_pub' + ' FOREIGN KEY (reserve_pub)' + ' REFERENCES reserves(reserve_pub) ON DELETE CASCADE;' + ); +END +$$; + + +INSERT INTO exchange_tables + (name + ,version + ,action + ,partitioned + ,by_range) +VALUES + ('age_withdraw_commitments', 'exchange-0003', 'create', TRUE ,FALSE), + ('age_withdraw_commitments', 'exchange-0003', 'constrain',TRUE ,FALSE), + ('age_withdraw_commitments', 'exchange-0003', 'foreign', TRUE ,FALSE); |