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Diffstat (limited to 'src/exchangedb/0002-reserves_out.sql')
-rw-r--r-- | src/exchangedb/0002-reserves_out.sql | 173 |
1 files changed, 173 insertions, 0 deletions
diff --git a/src/exchangedb/0002-reserves_out.sql b/src/exchangedb/0002-reserves_out.sql new file mode 100644 index 000000000..f0965d222 --- /dev/null +++ b/src/exchangedb/0002-reserves_out.sql @@ -0,0 +1,173 @@ +-- +-- This file is part of TALER +-- Copyright (C) 2014--2023 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_reserves_out( + IN partition_suffix TEXT DEFAULT NULL +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT default 'reserves_out'; +BEGIN + PERFORM create_partitioned_table( + 'CREATE TABLE %I' + '(reserve_out_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' + ',h_blind_ev BYTEA CHECK (LENGTH(h_blind_ev)=64) UNIQUE' + ',denominations_serial INT8 NOT NULL' + ',denom_sig BYTEA NOT NULL' + ',reserve_uuid INT8 NOT NULL' + ',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)' + ',execution_date INT8 NOT NULL' + ',amount_with_fee taler_amount NOT NULL' + ') %s ;' + ,'reserves_out' + ,'PARTITION BY HASH (h_blind_ev)' + ,partition_suffix + ); + PERFORM comment_partitioned_table ( + 'Withdraw operations performed on reserves.' + ,'reserves_out' + ,partition_suffix + ); + PERFORM comment_partitioned_column ( + 'Hash of the blinded coin, used as primary key here so that broken clients that use a non-random coin or blinding factor fail to withdraw (otherwise they would fail on deposit when the coin is not unique there).' + ,'h_blind_ev' + ,'reserves_out' + ,partition_suffix + ); + PERFORM comment_partitioned_column ( + 'We do not CASCADE ON DELETE for the foreign constrain here, as we may keep the denomination data alive' + ,'denominations_serial' + ,'reserves_out' + ,partition_suffix + ); +END +$$; + + +CREATE FUNCTION constrain_table_reserves_out( + IN partition_suffix TEXT +) +RETURNS void +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT default 'reserves_out'; +BEGIN + table_name = concat_ws('_', table_name, partition_suffix); + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_reserve_out_serial_id_key' + ' UNIQUE (reserve_out_serial_id)' + ); + EXECUTE FORMAT ( + 'CREATE INDEX ' || table_name || '_by_reserve_uuid_and_execution_date_index ' + 'ON ' || table_name || ' ' + '(reserve_uuid, execution_date);' + ); + EXECUTE FORMAT ( + 'COMMENT ON INDEX ' || table_name || '_by_reserve_uuid_and_execution_date_index ' + 'IS ' || quote_literal('for do_gc, do_recoup_by_reserve, select_kyc_relevant_withdraw_events and a few others') || ';' + ); +END +$$; + + +CREATE FUNCTION foreign_table_reserves_out() +RETURNS void +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT default 'reserves_out'; +BEGIN + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_foreign_denom' + ' FOREIGN KEY (denominations_serial)' + ' REFERENCES denominations (denominations_serial)' + ',ADD CONSTRAINT ' || table_name || '_foreign_reserve ' + ' FOREIGN KEY (reserve_uuid)' + ' REFERENCES reserves (reserve_uuid) ON DELETE CASCADE' + ); +END +$$; + + +CREATE FUNCTION reserves_out_insert_trigger() + RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + INSERT INTO reserve_history + (reserve_pub + ,table_name + ,serial_id) + SELECT + res.reserve_pub + ,'reserves_out' + ,NEW.reserve_out_serial_id + FROM + reserves res + WHERE res.reserve_uuid = NEW.reserve_uuid; + RETURN NEW; +END $$; +COMMENT ON FUNCTION reserves_out_insert_trigger() + IS 'Replicate reserve_out inserts into reserve_history table.'; + + +CREATE FUNCTION master_table_reserves_out() +RETURNS void +LANGUAGE plpgsql +AS $$ +BEGIN + CREATE TRIGGER reserves_out_on_insert + AFTER INSERT + ON reserves_out + FOR EACH ROW EXECUTE FUNCTION reserves_out_insert_trigger(); +END $$; +COMMENT ON FUNCTION master_table_reserves_out() + IS 'Setup triggers to replicate reserve_out into reserve_history.'; + + + +INSERT INTO exchange_tables + (name + ,version + ,action + ,partitioned + ,by_range) + VALUES + ('reserves_out' + ,'exchange-0002' + ,'create' + ,TRUE + ,FALSE), + ('reserves_out' + ,'exchange-0002' + ,'constrain' + ,TRUE + ,FALSE), + ('reserves_out' + ,'exchange-0002' + ,'foreign' + ,TRUE + ,FALSE), + ('reserves_out' + ,'exchange-0002' + ,'master' + ,TRUE + ,FALSE); |