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Diffstat (limited to 'src/exchangedb/0002-purse_deposits.sql')
-rw-r--r-- | src/exchangedb/0002-purse_deposits.sql | 176 |
1 files changed, 176 insertions, 0 deletions
diff --git a/src/exchangedb/0002-purse_deposits.sql b/src/exchangedb/0002-purse_deposits.sql new file mode 100644 index 000000000..6a07c4b62 --- /dev/null +++ b/src/exchangedb/0002-purse_deposits.sql @@ -0,0 +1,176 @@ +-- +-- 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_purse_deposits( + IN partition_suffix TEXT DEFAULT NULL +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'purse_deposits'; +BEGIN + PERFORM create_partitioned_table( + 'CREATE TABLE %I ' + '(purse_deposit_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' + ',partner_serial_id INT8' + ',purse_pub BYTEA NOT NULL CHECK (LENGTH(purse_pub)=32)' + ',coin_pub BYTEA NOT NULL' + ',amount_with_fee taler_amount NOT NULL' + ',coin_sig BYTEA NOT NULL CHECK(LENGTH(coin_sig)=64)' + ',PRIMARY KEY (purse_pub,coin_pub)' + ') %s ;' + ,table_name + ,'PARTITION BY HASH (purse_pub)' + ,partition_suffix + ); + PERFORM comment_partitioned_table( + 'Requests depositing coins into a purse' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'identifies the partner exchange, NULL in case the target purse lives at this exchange' + ,'partner_serial_id' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Public key of the purse' + ,'purse_pub' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Public key of the coin being deposited' + ,'coin_pub' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Total amount being deposited' + ,'amount_with_fee' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Signature of the coin affirming the deposit into the purse, of type TALER_SIGNATURE_PURSE_DEPOSIT' + ,'coin_sig' + ,table_name + ,partition_suffix + ); +END +$$; + + +CREATE FUNCTION constrain_table_purse_deposits( + IN partition_suffix TEXT +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'purse_deposits'; +BEGIN + table_name = concat_ws('_', table_name, partition_suffix); + + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_purse_deposit_serial_id_key' + ' UNIQUE (purse_deposit_serial_id) ' + ); +END +$$; + + +CREATE FUNCTION foreign_table_purse_deposits() +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'purse_deposits'; +BEGIN + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_foreign_partner' + ' FOREIGN KEY (partner_serial_id) ' + ' REFERENCES partners(partner_serial_id) ON DELETE CASCADE' + ',ADD CONSTRAINT ' || table_name || '_foreign_coin_pub' + ' FOREIGN KEY (coin_pub) ' + ' REFERENCES known_coins (coin_pub) ON DELETE CASCADE' + ); +END +$$; + + +CREATE OR REPLACE FUNCTION purse_deposits_insert_trigger() + RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + INSERT INTO exchange.coin_history + (coin_pub + ,table_name + ,serial_id) + VALUES + (NEW.coin_pub + ,'purse_deposits' + ,NEW.purse_deposit_serial_id); + RETURN NEW; +END $$; +COMMENT ON FUNCTION purse_deposits_insert_trigger() + IS 'Automatically generate coin history entry.'; + + +CREATE FUNCTION master_table_purse_deposits() +RETURNS VOID +LANGUAGE plpgsql +AS $$ +BEGIN + CREATE TRIGGER purse_deposits_on_insert + AFTER INSERT + ON purse_deposits + FOR EACH ROW EXECUTE FUNCTION purse_deposits_insert_trigger(); +END $$; + + +INSERT INTO exchange_tables + (name + ,version + ,action + ,partitioned + ,by_range) + VALUES + ('purse_deposits' + ,'exchange-0002' + ,'create' + ,TRUE + ,FALSE), + ('purse_deposits' + ,'exchange-0002' + ,'constrain' + ,TRUE + ,FALSE), + ('purse_deposits' + ,'exchange-0002' + ,'foreign' + ,TRUE + ,FALSE), + ('purse_deposits' + ,'exchange-0002' + ,'master' + ,TRUE + ,FALSE); |