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Diffstat (limited to 'src/exchangedb/0002-refresh_transfer_keys.sql')
-rw-r--r-- | src/exchangedb/0002-refresh_transfer_keys.sql | 127 |
1 files changed, 127 insertions, 0 deletions
diff --git a/src/exchangedb/0002-refresh_transfer_keys.sql b/src/exchangedb/0002-refresh_transfer_keys.sql new file mode 100644 index 000000000..9bcb912da --- /dev/null +++ b/src/exchangedb/0002-refresh_transfer_keys.sql @@ -0,0 +1,127 @@ +-- +-- This file is part of TALER +-- Copyright (C) 2014--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_refresh_transfer_keys( + IN partition_suffix TEXT DEFAULT NULL +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'refresh_transfer_keys'; +BEGIN + PERFORM create_partitioned_table( + 'CREATE TABLE %I' + '(rtc_serial BIGINT GENERATED BY DEFAULT AS IDENTITY' + ',melt_serial_id INT8 PRIMARY KEY' + ',transfer_pub BYTEA NOT NULL CHECK(LENGTH(transfer_pub)=32)' + ',transfer_privs BYTEA NOT NULL' + ') %s ;' + ,table_name + ,'PARTITION BY HASH (melt_serial_id)' + ,partition_suffix + ); + PERFORM comment_partitioned_table( + 'Transfer keys of a refresh operation (the data revealed to the exchange).' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'needed for exchange-auditor replication logic' + ,'rtc_serial' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Identifies the refresh commitment (rc) of the operation.' + ,'melt_serial_id' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'transfer public key for the gamma index' + ,'transfer_pub' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'array of TALER_CNC_KAPPA-1 transfer private keys that have been revealed, with the gamma entry being skipped' + ,'transfer_privs' + ,table_name + ,partition_suffix + ); +END +$$; + + +CREATE FUNCTION constrain_table_refresh_transfer_keys( + IN partition_suffix TEXT +) +RETURNS void +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'refresh_transfer_keys'; +BEGIN + table_name = concat_ws('_', table_name, partition_suffix); + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_rtc_serial_key' + ' UNIQUE (rtc_serial)' + ); +END +$$; + + +CREATE FUNCTION foreign_table_refresh_transfer_keys() +RETURNS void +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'refresh_transfer_keys'; +BEGIN + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || 'foreign_melt_serial_id' + ' FOREIGN KEY (melt_serial_id)' + ' REFERENCES refresh_commitments (melt_serial_id) ON DELETE CASCADE' + ); +END +$$; + + +INSERT INTO exchange_tables + (name + ,version + ,action + ,partitioned + ,by_range) + VALUES + ('refresh_transfer_keys' + ,'exchange-0002' + ,'create' + ,TRUE + ,FALSE), + ('refresh_transfer_keys' + ,'exchange-0002' + ,'constrain' + ,TRUE + ,FALSE), + ('refresh_transfer_keys' + ,'exchange-0002' + ,'foreign' + ,TRUE + ,FALSE); |