--
-- 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 TABLE profit_drains
  (profit_drain_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY UNIQUE
  ,wtid BYTEA PRIMARY KEY CHECK (LENGTH(wtid)=32)
  ,account_section TEXT NOT NULL
  ,payto_uri TEXT NOT NULL
  ,trigger_date INT8 NOT NULL
  ,amount taler_amount NOT NULL
  ,master_sig BYTEA NOT NULL CHECK (LENGTH(master_sig)=64)
  ,executed BOOLEAN NOT NULL DEFAULT FALSE
  );
COMMENT ON TABLE profit_drains
  IS 'transactions to be performed to move profits from the escrow account of the exchange to a regular account';
COMMENT ON COLUMN profit_drains.wtid
  IS 'randomly chosen nonce, unique to prevent double-submission';
COMMENT ON COLUMN profit_drains.account_section
  IS 'specifies the configuration section in the taler-exchange-drain configuration with the wire account to drain';
COMMENT ON COLUMN profit_drains.payto_uri
  IS 'specifies the account to be credited';
COMMENT ON COLUMN profit_drains.trigger_date
  IS 'set by taler-exchange-offline at the time of making the signature; not necessarily the exact date of execution of the wire transfer, just for orientation';
COMMENT ON COLUMN profit_drains.amount
  IS 'amount to be transferred';
COMMENT ON COLUMN profit_drains.master_sig
  IS 'EdDSA signature of type TALER_SIGNATURE_MASTER_DRAIN_PROFIT';
COMMENT ON COLUMN profit_drains.executed
  IS 'set to TRUE by taler-exchange-drain on execution of the transaction, not replicated to auditor';