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Diffstat (limited to 'src/exchangedb/0002-close_requests.sql')
-rw-r--r-- | src/exchangedb/0002-close_requests.sql | 178 |
1 files changed, 178 insertions, 0 deletions
diff --git a/src/exchangedb/0002-close_requests.sql b/src/exchangedb/0002-close_requests.sql new file mode 100644 index 000000000..6a7028095 --- /dev/null +++ b/src/exchangedb/0002-close_requests.sql @@ -0,0 +1,178 @@ +-- +-- 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_close_requests( + IN partition_suffix TEXT DEFAULT NULL +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'close_requests'; +BEGIN + PERFORM create_partitioned_table( + 'CREATE TABLE %I ' + '(close_request_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' + ',reserve_pub BYTEA NOT NULL CHECK (LENGTH(reserve_pub)=32)' + ',close_timestamp INT8 NOT NULL' + ',reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)' + ',close taler_amount NOT NULL' + ',close_fee taler_amount NOT NULL' + ',payto_uri TEXT NOT NULL' + ',done BOOL NOT NULL DEFAULT(FALSE)' + ',PRIMARY KEY (reserve_pub,close_timestamp)' + ') %s ;' + ,table_name + ,'PARTITION BY HASH (reserve_pub)' + ,partition_suffix + ); + PERFORM comment_partitioned_table( + 'Explicit requests by a reserve owner to close a reserve immediately' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'When the request was created by the client' + ,'close_timestamp' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Signature affirming that the reserve is to be closed' + ,'reserve_sig' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Balance of the reserve at the time of closing, to be wired to the associated bank account (minus the closing fee)' + ,'close' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Identifies the credited bank account. Optional.' + ,'payto_uri' + ,table_name + ,partition_suffix + ); +END $$; + + +CREATE FUNCTION constrain_table_close_requests( + IN partition_suffix TEXT +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'close_requests'; +BEGIN + table_name = concat_ws('_', table_name, partition_suffix); + EXECUTE FORMAT ( + 'CREATE INDEX ' || table_name || '_by_close_request_uuid_index ' + 'ON ' || table_name || ' ' + '(close_request_serial_id);' + ); + EXECUTE FORMAT ( + 'CREATE INDEX ' || table_name || '_by_close_request_done_index ' + 'ON ' || table_name || ' ' + '(done);' + ); + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_close_request_uuid_pkey' + ' UNIQUE (close_request_serial_id)' + ); +END +$$; + + +CREATE FUNCTION foreign_table_close_requests() +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'close_requests'; +BEGIN + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_foreign_reserve_pub' + ' FOREIGN KEY (reserve_pub) ' + ' REFERENCES reserves(reserve_pub) ON DELETE CASCADE' + ); +END +$$; + + +CREATE OR REPLACE FUNCTION close_requests_insert_trigger() + RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + INSERT INTO reserve_history + (reserve_pub + ,table_name + ,serial_id) + VALUES + (NEW.reserve_pub + ,'close_requests' + ,NEW.close_request_serial_id); + RETURN NEW; +END $$; +COMMENT ON FUNCTION close_requests_insert_trigger() + IS 'Automatically generate reserve history entry.'; + + +CREATE FUNCTION master_table_close_requests() +RETURNS VOID +LANGUAGE plpgsql +AS $$ +BEGIN + CREATE TRIGGER close_requests_on_insert + AFTER INSERT + ON close_requests + FOR EACH ROW EXECUTE FUNCTION close_requests_insert_trigger(); +END $$; + + + +INSERT INTO exchange_tables + (name + ,version + ,action + ,partitioned + ,by_range) + VALUES + ('close_requests' + ,'exchange-0002' + ,'create' + ,TRUE + ,FALSE), + ('close_requests' + ,'exchange-0002' + ,'constrain' + ,TRUE + ,FALSE), + ('close_requests' + ,'exchange-0002' + ,'foreign' + ,TRUE + ,FALSE), + ('close_requests' + ,'exchange-0002' + ,'master' + ,TRUE + ,FALSE); |