128 lines
3.2 KiB
PL/PgSQL
128 lines
3.2 KiB
PL/PgSQL
--
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-- This file is part of TALER
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-- Copyright (C) 2014--2022 Taler Systems SA
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--
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-- TALER is free software; you can redistribute it and/or modify it under the
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-- terms of the GNU General Public License as published by the Free Software
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-- Foundation; either version 3, or (at your option) any later version.
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--
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-- TALER is distributed in the hope that it will be useful, but WITHOUT ANY
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-- WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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-- A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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--
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-- You should have received a copy of the GNU General Public License along with
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-- TALER; see the file COPYING. If not, see <http://www.gnu.org/licenses/>
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--
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CREATE FUNCTION create_table_refresh_transfer_keys(
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IN partition_suffix VARCHAR DEFAULT NULL
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)
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RETURNS VOID
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LANGUAGE plpgsql
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AS $$
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DECLARE
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table_name VARCHAR DEFAULT 'refresh_transfer_keys';
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BEGIN
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PERFORM create_partitioned_table(
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'CREATE TABLE %I'
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'(rtc_serial BIGINT GENERATED BY DEFAULT AS IDENTITY'
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',melt_serial_id INT8 PRIMARY KEY'
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',transfer_pub BYTEA NOT NULL CHECK(LENGTH(transfer_pub)=32)'
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',transfer_privs BYTEA NOT NULL'
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') %s ;'
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,table_name
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,'PARTITION BY HASH (melt_serial_id)'
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,partition_suffix
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);
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PERFORM comment_partitioned_table(
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'Transfer keys of a refresh operation (the data revealed to the exchange).'
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,table_name
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,partition_suffix
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);
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PERFORM comment_partitioned_column(
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'needed for exchange-auditor replication logic'
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,'rtc_serial'
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,table_name
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,partition_suffix
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);
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PERFORM comment_partitioned_column(
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'Identifies the refresh commitment (rc) of the operation.'
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,'melt_serial_id'
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,table_name
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,partition_suffix
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);
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PERFORM comment_partitioned_column(
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'transfer public key for the gamma index'
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,'transfer_pub'
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,table_name
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,partition_suffix
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);
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PERFORM comment_partitioned_column(
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'array of TALER_CNC_KAPPA-1 transfer private keys that have been revealed, with the gamma entry being skipped'
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,'transfer_privs'
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,table_name
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,partition_suffix
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);
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END
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$$;
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CREATE FUNCTION constrain_table_refresh_transfer_keys(
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IN partition_suffix VARCHAR
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)
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RETURNS void
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LANGUAGE plpgsql
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AS $$
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DECLARE
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table_name VARCHAR DEFAULT 'refresh_transfer_keys';
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BEGIN
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table_name = concat_ws('_', table_name, partition_suffix);
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EXECUTE FORMAT (
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'ALTER TABLE ' || table_name ||
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' ADD CONSTRAINT ' || table_name || '_rtc_serial_key'
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' UNIQUE (rtc_serial)'
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);
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END
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$$;
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CREATE FUNCTION foreign_table_refresh_transfer_keys()
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RETURNS void
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LANGUAGE plpgsql
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AS $$
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DECLARE
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table_name VARCHAR DEFAULT 'refresh_transfer_keys';
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BEGIN
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EXECUTE FORMAT (
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'ALTER TABLE ' || table_name ||
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' ADD CONSTRAINT ' || table_name || 'foreign_melt_serial_id'
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' FOREIGN KEY (melt_serial_id)'
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' REFERENCES refresh_commitments (melt_serial_id) ON DELETE CASCADE'
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);
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END
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$$;
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INSERT INTO exchange_tables
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(name
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,version
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,action
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,partitioned
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,by_range)
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VALUES
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('refresh_transfer_keys'
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,'exchange-0002'
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,'create'
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,TRUE
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,FALSE),
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('refresh_transfer_keys'
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,'exchange-0002'
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,'constrain'
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,TRUE
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,FALSE),
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('refresh_transfer_keys'
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,'exchange-0002'
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,'foreign'
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,TRUE
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,FALSE);
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