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Diffstat (limited to 'src/exchangedb/0002-contracts.sql')
-rw-r--r-- | src/exchangedb/0002-contracts.sql | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/src/exchangedb/0002-contracts.sql b/src/exchangedb/0002-contracts.sql new file mode 100644 index 000000000..c1f92c9aa --- /dev/null +++ b/src/exchangedb/0002-contracts.sql @@ -0,0 +1,109 @@ +-- +-- 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 FUNCTION create_table_contracts( + IN partition_suffix TEXT DEFAULT NULL +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'contracts'; +BEGIN + PERFORM create_partitioned_table( + 'CREATE TABLE %I ' + '(contract_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY' + ',purse_pub BYTEA NOT NULL CHECK (LENGTH(purse_pub)=32)' + ',pub_ckey BYTEA NOT NULL CHECK (LENGTH(pub_ckey)=32)' + ',contract_sig BYTEA NOT NULL CHECK (LENGTH(contract_sig)=64)' + ',e_contract BYTEA NOT NULL' + ',purse_expiration INT8 NOT NULL' + ',PRIMARY KEY (purse_pub)' + ') %s ;' + ,table_name + ,'PARTITION BY HASH (purse_pub)' + ,partition_suffix + ); + PERFORM comment_partitioned_table( + 'encrypted contracts associated with purses' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'public key of the purse that the contract is associated with' + ,'purse_pub' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'signature over the encrypted contract by the purse contract key' + ,'contract_sig' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'Public ECDH key used to encrypt the contract, to be used with the purse private key for decryption' + ,'pub_ckey' + ,table_name + ,partition_suffix + ); + PERFORM comment_partitioned_column( + 'AES-GCM encrypted contract terms (contains gzip compressed JSON after decryption)' + ,'e_contract' + ,table_name + ,partition_suffix + ); +END +$$; + + +CREATE FUNCTION constrain_table_contracts( + IN partition_suffix TEXT +) +RETURNS VOID +LANGUAGE plpgsql +AS $$ +DECLARE + table_name TEXT DEFAULT 'contracts'; +BEGIN + table_name = concat_ws('_', table_name, partition_suffix); + EXECUTE FORMAT ( + 'ALTER TABLE ' || table_name || + ' ADD CONSTRAINT ' || table_name || '_contract_serial_id_key' + ' UNIQUE (contract_serial_id) ' + ); +END +$$; + + +INSERT INTO exchange_tables + (name + ,version + ,action + ,partitioned + ,by_range) + VALUES + ('contracts' + ,'exchange-0002' + ,'create' + ,TRUE + ,FALSE), + ('contracts' + ,'exchange-0002' + ,'constrain' + ,TRUE + ,FALSE); |