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Diffstat (limited to 'src/exchangedb/0002-purse_actions.sql')
-rw-r--r-- | src/exchangedb/0002-purse_actions.sql | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/src/exchangedb/0002-purse_actions.sql b/src/exchangedb/0002-purse_actions.sql new file mode 100644 index 000000000..0dd6cfc4d --- /dev/null +++ b/src/exchangedb/0002-purse_actions.sql @@ -0,0 +1,121 @@ +-- +-- This file is part of TALER +-- Copyright (C) 2014--2022 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 OR REPLACE FUNCTION create_table_purse_actions( + IN partition_suffix TEXT DEFAULT NULL +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'purse_actions'; +BEGIN + PERFORM create_partitioned_table( + 'CREATE TABLE IF NOT EXISTS %I' + '(purse_pub BYTEA NOT NULL PRIMARY KEY CHECK(LENGTH(purse_pub)=32)' + ',action_date INT8 NOT NULL' + ',partner_serial_id INT8' + ') %s ;' + ,table_name + ,'PARTITION BY HASH (purse_pub)' + ,partition_suffix + ); + PERFORM comment_partitioned_table( + 'purses awaiting some action by the router' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'public (contract) key of the purse' + ,'purse_pub' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'when is the purse ready for action' + ,'action_date' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'wad target of an outgoing wire transfer, 0 for local, NULL if the purse is unmerged and thus the target is still unknown' + ,'partner_serial_id' + ,table_name + ,partition_suffix + ); +END $$; + + +CREATE OR REPLACE FUNCTION purse_requests_insert_trigger() + RETURNS trigger + LANGUAGE plpgsql + AS $$ +BEGIN + INSERT INTO + purse_actions + (purse_pub + ,action_date) + VALUES + (NEW.purse_pub + ,NEW.purse_expiration); + RETURN NEW; +END $$; + +COMMENT ON FUNCTION purse_requests_insert_trigger() + IS 'When a purse is created, insert it into the purse_action table to take action when the purse expires.'; + + +CREATE OR REPLACE FUNCTION master_table_purse_actions() +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'purse_actions'; +BEGIN + -- Create global index + CREATE INDEX IF NOT EXISTS purse_action_by_target + ON purse_actions + (partner_serial_id,action_date); + + -- Setup trigger + CREATE TRIGGER purse_requests_on_insert + AFTER INSERT + ON purse_requests + FOR EACH ROW EXECUTE FUNCTION purse_requests_insert_trigger(); + COMMENT ON TRIGGER purse_requests_on_insert + ON purse_requests + IS 'Here we install an entry for the purse expiration.'; +END $$; + + +INSERT INTO exchange_tables + (name + ,version + ,action + ,partitioned + ,by_range) + VALUES + ('purse_actions' + ,'exchange-0002' + ,'create' + ,TRUE + ,FALSE), + ('purse_actions' + ,'exchange-0002' + ,'master' + ,TRUE + ,FALSE); |