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--
-- This file is part of TALER
-- Copyright (C) 2020 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/>
--
-- Everything in one big transaction
BEGIN;
-- Check patch versioning is in place.
SELECT _v.register_patch('exchange-0002', NULL, NULL);
ALTER TABLE prewire
ADD failed BOOLEAN NOT NULL DEFAULT false;
COMMENT ON COLUMN prewire.failed
IS 'set to TRUE if the bank responded with a non-transient failure to our transfer request';
COMMENT ON COLUMN prewire.finished
IS 'set to TRUE once bank confirmed receiving the wire transfer request';
COMMENT ON COLUMN prewire.buf
IS 'serialized data to send to the bank to execute the wire transfer';
-- change comment, existing index is still useful, but only for gc_prewire.
COMMENT ON INDEX prepare_iteration_index
IS 'for gc_prewire';
-- need a new index for updated wire_prepare_data_get statement:
CREATE INDEX IF NOT EXISTS prepare_get_index
ON prewire
(failed,finished);
COMMENT ON INDEX prepare_get_index
IS 'for wire_prepare_data_get';
-- need serial IDs on various tables for exchange-auditor replication
ALTER TABLE denominations
ADD COLUMN denominations_serial BIGSERIAL UNIQUE;
COMMENT ON COLUMN denominations.denominations_serial
IS 'needed for exchange-auditor replication logic';
ALTER TABLE refresh_revealed_coins
ADD COLUMN rrc_serial BIGSERIAL UNIQUE;
COMMENT ON COLUMN refresh_revealed_coins.rrc_serial
IS 'needed for exchange-auditor replication logic';
ALTER TABLE refresh_transfer_keys
ADD COLUMN rtc_serial BIGSERIAL UNIQUE;
COMMENT ON COLUMN refresh_transfer_keys.rtc_serial
IS 'needed for exchange-auditor replication logic';
ALTER TABLE wire_fee
ADD COLUMN wire_fee_serial BIGSERIAL UNIQUE;
COMMENT ON COLUMN wire_fee.wire_fee_serial
IS 'needed for exchange-auditor replication logic';
-- for the reserves, we add the new reserve_uuid, and also
-- change the foreign keys to use the new BIGSERIAL instead
-- of the public key to reference the entry
ALTER TABLE reserves
ADD COLUMN reserve_uuid BIGSERIAL UNIQUE;
ALTER TABLE reserves_in
ADD COLUMN reserve_uuid INT8 REFERENCES reserves (reserve_uuid) ON DELETE CASCADE;
UPDATE reserves_in
SET reserve_uuid=r.reserve_uuid
FROM reserves_in rin
INNER JOIN reserves r USING(reserve_pub);
ALTER TABLE reserves_in
ALTER COLUMN reserve_uuid SET NOT NULL;
ALTER TABLE reserves_in
DROP COLUMN reserve_pub;
ALTER TABLE reserves_out
ADD COLUMN reserve_uuid INT8 REFERENCES reserves (reserve_uuid) ON DELETE CASCADE;
UPDATE reserves_out
SET reserve_uuid=r.reserve_uuid
FROM reserves_out rout
INNER JOIN reserves r USING(reserve_pub);
ALTER TABLE reserves_out
ALTER COLUMN reserve_uuid SET NOT NULL;
ALTER TABLE reserves_out
DROP COLUMN reserve_pub;
ALTER TABLE reserves_close
ADD COLUMN reserve_uuid INT8 REFERENCES reserves (reserve_uuid) ON DELETE CASCADE;
UPDATE reserves_close
SET reserve_uuid=r.reserve_uuid
FROM reserves_close rclose
INNER JOIN reserves r USING(reserve_pub);
ALTER TABLE reserves_close
ALTER COLUMN reserve_uuid SET NOT NULL;
ALTER TABLE reserves_close
DROP COLUMN reserve_pub;
-- change all foreign keys using 'denom_pub_hash' to using 'denominations_serial' instead
ALTER TABLE reserves_out
ADD COLUMN denominations_serial INT8 REFERENCES denominations (denominations_serial) ON DELETE CASCADE;
UPDATE reserves_out
SET denominations_serial=d.denominations_serial
FROM reserves_out o
INNER JOIN denominations d USING(denom_pub_hash);
ALTER TABLE reserves_out
ALTER COLUMN denominations_serial SET NOT NULL;
ALTER TABLE reserves_out
DROP COLUMN denom_pub_hash;
ALTER TABLE known_coins
ADD COLUMN denominations_serial INT8 REFERENCES denominations (denominations_serial) ON DELETE CASCADE;
UPDATE known_coins
SET denominations_serial=d.denominations_serial
FROM known_coins o
INNER JOIN denominations d USING(denom_pub_hash);
ALTER TABLE known_coins
ALTER COLUMN denominations_serial SET NOT NULL;
ALTER TABLE known_coins
DROP COLUMN denom_pub_hash;
ALTER TABLE denomination_revocations
ADD COLUMN denominations_serial INT8 REFERENCES denominations (denominations_serial) ON DELETE CASCADE;
UPDATE denomination_revocations
SET denominations_serial=d.denominations_serial
FROM denomination_revocations o
INNER JOIN denominations d USING(denom_pub_hash);
ALTER TABLE denomination_revocations
ALTER COLUMN denominations_serial SET NOT NULL;
ALTER TABLE denomination_revocations
DROP COLUMN denom_pub_hash;
ALTER TABLE denomination_revocations
ADD CONSTRAINT denominations_serial_pk PRIMARY KEY (denominations_serial);
ALTER TABLE refresh_revealed_coins
ADD COLUMN denominations_serial INT8 REFERENCES denominations (denominations_serial) ON DELETE CASCADE;
UPDATE refresh_revealed_coins
SET denominations_serial=d.denominations_serial
FROM refresh_revealed_coins o
INNER JOIN denominations d USING(denom_pub_hash);
ALTER TABLE refresh_revealed_coins
ALTER COLUMN denominations_serial SET NOT NULL;
ALTER TABLE refresh_revealed_coins
DROP COLUMN denom_pub_hash;
CREATE TABLE IF NOT EXISTS auditors
(auditor_uuid BIGSERIAL UNIQUE
,auditor_pub BYTEA PRIMARY KEY CHECK (LENGTH(auditor_pub)=32)
,auditor_name VARCHAR NOT NULL
,auditor_url VARCHAR NOT NULL
,is_active BOOLEAN NOT NULL
,last_change INT8 NOT NULL
);
COMMENT ON TABLE auditors
IS 'Table with auditors the exchange uses or has used in the past. Entries never expire as we need to remember the last_change column indefinitely.';
COMMENT ON COLUMN auditors.auditor_pub
IS 'Public key of the auditor.';
COMMENT ON COLUMN auditors.auditor_url
IS 'The base URL of the auditor.';
COMMENT ON COLUMN auditors.is_active
IS 'true if we are currently supporting the use of this auditor.';
COMMENT ON COLUMN auditors.last_change
IS 'Latest time when active status changed. Used to detect replays of old messages.';
CREATE TABLE IF NOT EXISTS auditor_denom_sigs
(auditor_denom_serial BIGSERIAL UNIQUE
,auditor_uuid INT8 NOT NULL REFERENCES auditors (auditor_uuid) ON DELETE CASCADE
,denominations_serial INT8 NOT NULL REFERENCES denominations (denominations_serial) ON DELETE CASCADE
,auditor_sig BYTEA CHECK (LENGTH(auditor_sig)=64)
,PRIMARY KEY (denominations_serial, auditor_uuid)
);
COMMENT ON TABLE auditor_denom_sigs
IS 'Table with auditor signatures on exchange denomination keys.';
COMMENT ON COLUMN auditor_denom_sigs.auditor_uuid
IS 'Identifies the auditor.';
COMMENT ON COLUMN auditor_denom_sigs.denominations_serial
IS 'Denomination the signature is for.';
COMMENT ON COLUMN auditor_denom_sigs.auditor_sig
IS 'Signature of the auditor, of purpose TALER_SIGNATURE_AUDITOR_EXCHANGE_KEYS.';
CREATE TABLE IF NOT EXISTS exchange_sign_keys
(esk_serial BIGSERIAL UNIQUE
,exchange_pub BYTEA PRIMARY KEY CHECK (LENGTH(exchange_pub)=32)
,master_sig BYTEA NOT NULL CHECK (LENGTH(master_sig)=64)
,valid_from INT8 NOT NULL
,expire_sign INT8 NOT NULL
,expire_legal INT8 NOT NULL
);
COMMENT ON TABLE exchange_sign_keys
IS 'Table with master public key signatures on exchange online signing keys.';
COMMENT ON COLUMN exchange_sign_keys.exchange_pub
IS 'Public online signing key of the exchange.';
COMMENT ON COLUMN exchange_sign_keys.master_sig
IS 'Signature affirming the validity of the signing key of purpose TALER_SIGNATURE_MASTER_SIGNING_KEY_VALIDITY.';
COMMENT ON COLUMN exchange_sign_keys.valid_from
IS 'Time when this online signing key will first be used to sign messages.';
COMMENT ON COLUMN exchange_sign_keys.expire_sign
IS 'Time when this online signing key will no longer be used to sign.';
COMMENT ON COLUMN exchange_sign_keys.expire_legal
IS 'Time when this online signing key legally expires.';
CREATE TABLE IF NOT EXISTS wire_accounts
(payto_uri VARCHAR PRIMARY KEY
,master_sig BYTEA CHECK (LENGTH(master_sig)=64)
,is_active BOOLEAN NOT NULL
,last_change INT8 NOT NULL
);
COMMENT ON TABLE wire_accounts
IS 'Table with current and historic bank accounts of the exchange. Entries never expire as we need to remember the last_change column indefinitely.';
COMMENT ON COLUMN wire_accounts.payto_uri
IS 'payto URI (RFC 8905) with the bank account of the exchange.';
COMMENT ON COLUMN wire_accounts.master_sig
IS 'Signature of purpose TALER_SIGNATURE_MASTER_WIRE_DETAILS';
COMMENT ON COLUMN wire_accounts.is_active
IS 'true if we are currently supporting the use of this account.';
COMMENT ON COLUMN wire_accounts.last_change
IS 'Latest time when active status changed. Used to detect replays of old messages.';
-- "wire_accounts" has no BIGSERIAL because it is a 'mutable' table
-- and is of no concern to the auditor
CREATE TABLE IF NOT EXISTS signkey_revocations
(signkey_revocations_serial_id BIGSERIAL UNIQUE
,exchange_pub BYTEA PRIMARY KEY REFERENCES exchange_sign_keys (exchange_pub) ON DELETE CASCADE
,master_sig BYTEA NOT NULL CHECK (LENGTH(master_sig)=64)
);
COMMENT ON TABLE signkey_revocations
IS 'remembering which online signing keys have been revoked';
-- Complete transaction
COMMIT;
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