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author | Christian Grothoff <christian@grothoff.org> | 2023-09-10 19:13:49 +0200 |
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committer | Christian Grothoff <christian@grothoff.org> | 2023-09-10 19:13:49 +0200 |
commit | 852c46668f1c9f766de9473c50e787e32a0f8697 (patch) | |
tree | 6106427e8da10610507b12cd4d663f3e66d8eae7 /src/exchangedb/0002-coin_deposits.sql | |
parent | cf595fa8480e87e1522710cd8ea7db9174aa028b (diff) | |
download | exchange-852c46668f1c9f766de9473c50e787e32a0f8697.tar.xz |
major exchange DB schema change: store common properties of batch deposit in batch_deposits table, and coin-specific ones in coin_deposits table; plus minor cleanups
Diffstat (limited to 'src/exchangedb/0002-coin_deposits.sql')
-rw-r--r-- | src/exchangedb/0002-coin_deposits.sql | 157 |
1 files changed, 157 insertions, 0 deletions
diff --git a/src/exchangedb/0002-coin_deposits.sql b/src/exchangedb/0002-coin_deposits.sql new file mode 100644 index 000000000..c3eef6e5a --- /dev/null +++ b/src/exchangedb/0002-coin_deposits.sql @@ -0,0 +1,157 @@ +-- +-- 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_coin_deposits( + IN partition_suffix TEXT DEFAULT NULL +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'coin_deposits'; +BEGIN + PERFORM create_partitioned_table( + 'CREATE TABLE %I' + '(coin_deposit_serial_id INT8 GENERATED BY DEFAULT AS IDENTITY' + ',batch_deposit_serial_id INT8 NOT NULL' + ',coin_pub BYTEA NOT NULL CHECK (LENGTH(coin_pub)=32)' + ',coin_sig BYTEA NOT NULL CHECK (LENGTH(coin_sig)=64)' + ',amount_with_fee taler_amount NOT NULL' + ') %s ;' + ,table_name + ,'PARTITION BY HASH (coin_pub)' + ,partition_suffix + ); + PERFORM comment_partitioned_table( + 'Coins which have been deposited with the respective per-coin signatures.' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Link to information about the batch deposit this coin was used for' + ,'batch_deposit_serial_id' + ,table_name + ,partition_suffix + ); +END +$$; + + +CREATE FUNCTION constrain_table_coin_deposits( + IN partition_suffix TEXT +) +RETURNS void +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'coin_deposits'; +BEGIN + table_name = concat_ws('_', table_name, partition_suffix); + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_coin_deposit_serial_id_pkey' + ' PRIMARY KEY (coin_deposit_serial_id) ' + ',ADD CONSTRAINT ' || table_name || '_unique_coin_sig' + ' UNIQUE (coin_pub, coin_sig)' + ); + EXECUTE FORMAT ( + 'CREATE INDEX ' || table_name || '_by_batch ' + 'ON ' || table_name || ' ' + '(batch_deposit_serial_id);' + ); +END +$$; + + +CREATE FUNCTION foreign_table_coin_deposits() +RETURNS void +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'coin_deposits'; +BEGIN + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_foreign_coin_pub' + ' FOREIGN KEY (coin_pub) ' + ' REFERENCES known_coins (coin_pub) ON DELETE CASCADE' + ',ADD CONSTRAINT ' || table_name || '_foreign_batch_deposits_id' + ' FOREIGN KEY (batch_deposit_serial_id) ' + ' REFERENCES batch_deposits (batch_deposit_serial_id) ON DELETE CASCADE' + ); +END +$$; + + +CREATE OR REPLACE FUNCTION coin_deposits_insert_trigger() + RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + INSERT INTO exchange.coin_history + (coin_pub + ,table_name + ,serial_id) + VALUES + (NEW.coin_pub + ,'coin_deposits' + ,NEW.coin_deposit_serial_id); + RETURN NEW; +END $$; +COMMENT ON FUNCTION coin_deposits_insert_trigger() + IS 'Automatically generate coin history entry.'; + + +CREATE FUNCTION master_table_coin_deposits() +RETURNS VOID +LANGUAGE plpgsql +AS $$ +BEGIN + CREATE TRIGGER coin_deposits_on_insert + AFTER INSERT + ON coin_deposits + FOR EACH ROW EXECUTE FUNCTION coin_deposits_insert_trigger(); +END $$; + + +INSERT INTO exchange_tables + (name + ,version + ,action + ,partitioned + ,by_range) + VALUES + ('coin_deposits' + ,'exchange-0002' + ,'create' + ,TRUE + ,FALSE), + ('coin_deposits' + ,'exchange-0002' + ,'constrain' + ,TRUE + ,FALSE), + ('coin_deposits' + ,'exchange-0002' + ,'foreign' + ,TRUE + ,FALSE), + ('coin_deposits' + ,'exchange-0002' + ,'master' + ,TRUE + ,FALSE) + ; |