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Diffstat (limited to 'src/exchangedb/0002-reserves_open_deposits.sql')
-rw-r--r-- | src/exchangedb/0002-reserves_open_deposits.sql | 135 |
1 files changed, 135 insertions, 0 deletions
diff --git a/src/exchangedb/0002-reserves_open_deposits.sql b/src/exchangedb/0002-reserves_open_deposits.sql new file mode 100644 index 000000000..776859df8 --- /dev/null +++ b/src/exchangedb/0002-reserves_open_deposits.sql @@ -0,0 +1,135 @@ +-- +-- 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_open_deposits( + IN partition_suffix TEXT DEFAULT NULL +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT default 'reserves_open_deposits'; +BEGIN + PERFORM create_partitioned_table( + 'CREATE TABLE %I' + '(reserve_open_deposit_uuid BIGINT GENERATED BY DEFAULT AS IDENTITY' + ',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)' + ',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)' + ',coin_pub BYTEA NOT NULL CHECK (LENGTH(coin_pub)=32)' + ',coin_sig BYTEA NOT NULL CHECK (LENGTH(coin_sig)=64)' + ',contribution taler_amount NOT NULL' + ') %s ;' + ,table_name + ,'PARTITION BY HASH (coin_pub)' + ,partition_suffix + ); + PERFORM comment_partitioned_table( + 'coin contributions paying for a reserve to remain open' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Identifies the specific reserve being paid for (possibly together with reserve_sig).' + ,'reserve_pub' + ,table_name + ,partition_suffix + ); +END +$$; + + +CREATE FUNCTION constrain_table_reserves_open_deposits( + IN partition_suffix TEXT +) +RETURNS void +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT default 'reserves_open_deposits'; +BEGIN + table_name = concat_ws('_', table_name, partition_suffix); + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || ' ' + 'ADD CONSTRAINT ' || table_name || '_coin_unique ' + 'PRIMARY KEY (coin_pub,coin_sig)' + ); + EXECUTE FORMAT ( + 'CREATE INDEX ' || table_name || '_by_uuid ' + 'ON ' || table_name || ' ' + '(reserve_open_deposit_uuid);' + ); + EXECUTE FORMAT ( + 'CREATE INDEX ' || table_name || '_by_reserve ' + 'ON ' || table_name || ' ' + '(reserve_pub);' + ); +END +$$; + + +CREATE OR REPLACE FUNCTION reserves_open_deposits_insert_trigger() + RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + INSERT INTO exchange.coin_history + (coin_pub + ,table_name + ,serial_id) + VALUES + (NEW.coin_pub + ,'reserves_open_deposits' + ,NEW.reserve_open_deposit_uuid); + RETURN NEW; +END $$; +COMMENT ON FUNCTION reserves_open_deposits_insert_trigger() + IS 'Automatically generate coin history entry.'; + + +CREATE FUNCTION master_table_reserves_open_deposits() +RETURNS VOID +LANGUAGE plpgsql +AS $$ +BEGIN + CREATE TRIGGER reserves_open_deposits_on_insert + AFTER INSERT + ON reserves_open_deposits + FOR EACH ROW EXECUTE FUNCTION reserves_open_deposits_insert_trigger(); +END $$; + + +INSERT INTO exchange_tables + (name + ,version + ,action + ,partitioned + ,by_range) + VALUES + ('reserves_open_deposits' + ,'exchange-0002' + ,'create' + ,TRUE + ,FALSE), + ('reserves_open_deposits' + ,'exchange-0002' + ,'constrain' + ,TRUE + ,FALSE), + ('reserves_open_deposits' + ,'exchange-0002' + ,'master' + ,TRUE + ,FALSE); |