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authorChristian Grothoff <christian@grothoff.org>2020-02-09 16:34:40 +0100
committerChristian Grothoff <christian@grothoff.org>2020-02-09 16:34:40 +0100
commitcdaf1ce69b5fb56f09bbdc00942b03f039710614 (patch)
treef597c1ddbf3d3a5181dd6865e06070813fdb529c /src/exchangedb/exchange-0001.sql
parentae5583f04434cf39a5ae7a6f623bfc76322f9eb3 (diff)
downloadexchange-cdaf1ce69b5fb56f09bbdc00942b03f039710614.tar.gz
exchange-cdaf1ce69b5fb56f09bbdc00942b03f039710614.tar.bz2
exchange-cdaf1ce69b5fb56f09bbdc00942b03f039710614.zip
rename SQL files to make filenames consistent with versioning name
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diff --git a/src/exchangedb/exchange-0001.sql b/src/exchangedb/exchange-0001.sql
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+--
+-- This file is part of TALER
+-- Copyright (C) 2014--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-0001', NULL, NULL);
+
+
+-- Main denominations table. All the coins the exchange knows about.
+CREATE TABLE IF NOT EXISTS denominations
+ (denom_pub_hash BYTEA PRIMARY KEY CHECK (LENGTH(denom_pub_hash)=64)
+ ,denom_pub BYTEA NOT NULL
+ ,master_pub BYTEA NOT NULL CHECK (LENGTH(master_pub)=32)
+ ,master_sig BYTEA NOT NULL CHECK (LENGTH(master_sig)=64)
+ ,valid_from INT8 NOT NULL
+ ,expire_withdraw INT8 NOT NULL
+ ,expire_deposit INT8 NOT NULL
+ ,expire_legal INT8 NOT NULL
+ ,coin_val INT8 NOT NULL
+ ,coin_frac INT4 NOT NULL
+ ,fee_withdraw_val INT8 NOT NULL
+ ,fee_withdraw_frac INT4 NOT NULL
+ ,fee_deposit_val INT8 NOT NULL
+ ,fee_deposit_frac INT4 NOT NULL
+ ,fee_refresh_val INT8 NOT NULL
+ ,fee_refresh_frac INT4 NOT NULL
+ ,fee_refund_val INT8 NOT NULL
+ ,fee_refund_frac INT4 NOT NULL
+ );
+CREATE INDEX IF NOT EXISTS denominations_expire_legal_index
+ ON denominations
+ (expire_legal);
+
+-- denomination_revocations table is for remembering which denomination keys have been revoked
+CREATE TABLE IF NOT EXISTS denomination_revocations
+ (denom_revocations_serial_id BIGSERIAL UNIQUE
+ ,denom_pub_hash BYTEA PRIMARY KEY REFERENCES denominations (denom_pub_hash) ON DELETE CASCADE
+ ,master_sig BYTEA NOT NULL CHECK (LENGTH(master_sig)=64)
+ );
+-- reserves table is for summarization of a reserve. It is updated when new
+-- funds are added and existing funds are withdrawn. The 'expiration_date'
+-- can be used to eventually get rid of reserves that have not been used
+-- for a very long time (usually by refunding the owner)
+CREATE TABLE IF NOT EXISTS reserves
+ (reserve_pub BYTEA PRIMARY KEY CHECK(LENGTH(reserve_pub)=32)
+ ,account_details TEXT NOT NULL
+ ,current_balance_val INT8 NOT NULL
+ ,current_balance_frac INT4 NOT NULL
+ ,expiration_date INT8 NOT NULL
+ ,gc_date INT8 NOT NULL
+ );
+-- index on reserves table (TODO: useless due to primary key!?)
+CREATE INDEX IF NOT EXISTS reserves_reserve_pub_index
+ ON reserves
+ (reserve_pub);
+-- index for get_expired_reserves
+CREATE INDEX IF NOT EXISTS reserves_expiration_index
+ ON reserves
+ (expiration_date
+ ,current_balance_val
+ ,current_balance_frac
+ );
+-- index for reserve GC operations
+CREATE INDEX IF NOT EXISTS reserves_gc_index
+ ON reserves
+ (gc_date);
+-- reserves_in table collects the transactions which transfer funds
+-- into the reserve. The rows of this table correspond to each
+-- incoming transaction.
+CREATE TABLE IF NOT EXISTS reserves_in
+ (reserve_in_serial_id BIGSERIAL UNIQUE
+ ,reserve_pub BYTEA NOT NULL REFERENCES reserves (reserve_pub) ON DELETE CASCADE
+ ,wire_reference INT8 NOT NULL
+ ,credit_val INT8 NOT NULL
+ ,credit_frac INT4 NOT NULL
+ ,sender_account_details TEXT NOT NULL
+ ,exchange_account_section TEXT NOT NULL
+ ,execution_date INT8 NOT NULL
+ ,PRIMARY KEY (reserve_pub, wire_reference)
+ );
+-- Create indices on reserves_in
+CREATE INDEX IF NOT EXISTS reserves_in_execution_index
+ ON reserves_in
+ (exchange_account_section
+ ,execution_date
+ );
+CREATE INDEX IF NOT EXISTS reserves_in_exchange_account_serial
+ ON reserves_in
+ (exchange_account_section,
+ reserve_in_serial_id DESC
+ );
+-- This table contains the data for wire transfers the exchange has
+-- executed to close a reserve.
+CREATE TABLE IF NOT EXISTS reserves_close
+ (close_uuid BIGSERIAL PRIMARY KEY
+ ,reserve_pub BYTEA NOT NULL REFERENCES reserves (reserve_pub) ON DELETE CASCADE
+ ,execution_date INT8 NOT NULL
+ ,wtid BYTEA NOT NULL CHECK (LENGTH(wtid)=32)
+ ,receiver_account TEXT NOT NULL
+ ,amount_val INT8 NOT NULL
+ ,amount_frac INT4 NOT NULL
+ ,closing_fee_val INT8 NOT NULL
+ ,closing_fee_frac INT4 NOT NULL);
+CREATE INDEX IF NOT EXISTS reserves_close_by_reserve
+ ON reserves_close
+ (reserve_pub);
+-- Table with the withdraw operations that have been performed on a reserve.
+-- The 'h_blind_ev' is the hash of the blinded coin. It serves as a primary
+-- key, as (broken) clients that use a non-random coin and blinding factor
+-- should fail to even withdraw, as otherwise the coins will fail to deposit
+-- (as they really must be unique).
+-- For the denom_pub, we do NOT CASCADE on DELETE, we may keep the denomination key alive!
+CREATE TABLE IF NOT EXISTS reserves_out
+ (reserve_out_serial_id BIGSERIAL UNIQUE
+ ,h_blind_ev BYTEA PRIMARY KEY CHECK (LENGTH(h_blind_ev)=64)
+ ,denom_pub_hash BYTEA NOT NULL REFERENCES denominations (denom_pub_hash)
+ ,denom_sig BYTEA NOT NULL
+ ,reserve_pub BYTEA NOT NULL REFERENCES reserves (reserve_pub) ON DELETE CASCADE
+ ,reserve_sig BYTEA NOT NULL CHECK (LENGTH(reserve_sig)=64)
+ ,execution_date INT8 NOT NULL
+ ,amount_with_fee_val INT8 NOT NULL
+ ,amount_with_fee_frac INT4 NOT NULL
+ );
+-- Index blindcoins(reserve_pub) for get_reserves_out statement
+CREATE INDEX IF NOT EXISTS reserves_out_reserve_pub_index
+ ON reserves_out
+ (reserve_pub);
+CREATE INDEX IF NOT EXISTS reserves_out_execution_date
+ ON reserves_out
+ (execution_date);
+CREATE INDEX IF NOT EXISTS reserves_out_for_get_withdraw_info
+ ON reserves_out
+ (denom_pub_hash
+ ,h_blind_ev
+ );
+-- Table with coins that have been (partially) spent, used to track
+-- coin information only once.
+CREATE TABLE IF NOT EXISTS known_coins
+ (coin_pub BYTEA NOT NULL PRIMARY KEY CHECK (LENGTH(coin_pub)=32)
+ ,denom_pub_hash BYTEA NOT NULL REFERENCES denominations (denom_pub_hash) ON DELETE CASCADE
+ ,denom_sig BYTEA NOT NULL
+ );
+CREATE INDEX IF NOT EXISTS known_coins_by_denomination
+ ON known_coins
+ (denom_pub_hash);
+-- Table with the commitments made when melting a coin. */
+CREATE TABLE IF NOT EXISTS refresh_commitments
+ (melt_serial_id BIGSERIAL UNIQUE
+ ,rc BYTEA PRIMARY KEY CHECK (LENGTH(rc)=64)
+ ,old_coin_pub BYTEA NOT NULL REFERENCES known_coins (coin_pub) ON DELETE CASCADE
+ ,old_coin_sig BYTEA NOT NULL CHECK(LENGTH(old_coin_sig)=64)
+ ,amount_with_fee_val INT8 NOT NULL
+ ,amount_with_fee_frac INT4 NOT NULL
+ ,noreveal_index INT4 NOT NULL
+ );
+CREATE INDEX IF NOT EXISTS refresh_commitments_old_coin_pub_index
+ ON refresh_commitments
+ (old_coin_pub);
+-- Table with the revelations about the new coins that are to be created
+-- during a melting session. Includes the session, the cut-and-choose
+-- index and the index of the new coin, and the envelope of the new
+-- coin to be signed, as well as the encrypted information about the
+-- private key and the blinding factor for the coin (for verification
+-- in case this newcoin_index is chosen to be revealed)
+CREATE TABLE IF NOT EXISTS refresh_revealed_coins
+ (rc BYTEA NOT NULL REFERENCES refresh_commitments (rc) ON DELETE CASCADE
+ ,newcoin_index INT4 NOT NULL
+ ,link_sig BYTEA NOT NULL CHECK(LENGTH(link_sig)=64)
+ ,denom_pub_hash BYTEA NOT NULL REFERENCES denominations (denom_pub_hash) ON DELETE CASCADE
+ ,coin_ev BYTEA UNIQUE NOT NULL
+ ,h_coin_ev BYTEA NOT NULL CHECK(LENGTH(h_coin_ev)=64)
+ ,ev_sig BYTEA NOT NULL
+ ,PRIMARY KEY (rc, newcoin_index)
+ ,UNIQUE (h_coin_ev)
+ );
+CREATE INDEX IF NOT EXISTS refresh_revealed_coins_coin_pub_index
+ ON refresh_revealed_coins
+ (denom_pub_hash);
+-- Table with the transfer keys of a refresh operation; includes
+-- the rc for which this is the link information, the
+-- transfer public key (for gamma) and the revealed transfer private
+-- keys (array of TALER_CNC_KAPPA - 1 entries, with gamma being skipped) */
+CREATE TABLE IF NOT EXISTS refresh_transfer_keys
+ (rc BYTEA NOT NULL PRIMARY KEY REFERENCES refresh_commitments (rc) ON DELETE CASCADE
+ ,transfer_pub BYTEA NOT NULL CHECK(LENGTH(transfer_pub)=32)
+ ,transfer_privs BYTEA NOT NULL
+ );
+-- for get_link (not sure if this helps, as there should be very few
+-- transfer_pubs per rc, but at least in theory this helps the ORDER BY
+-- clause.
+CREATE INDEX IF NOT EXISTS refresh_transfer_keys_coin_tpub
+ ON refresh_transfer_keys
+ (rc
+ ,transfer_pub
+ );
+-- This table contains the wire transfers the exchange is supposed to
+-- execute to transmit funds to the merchants (and manage refunds).
+CREATE TABLE IF NOT EXISTS deposits
+ (deposit_serial_id BIGSERIAL PRIMARY KEY
+ ,coin_pub BYTEA NOT NULL REFERENCES known_coins (coin_pub) ON DELETE CASCADE
+ ,amount_with_fee_val INT8 NOT NULL
+ ,amount_with_fee_frac INT4 NOT NULL
+ ,timestamp INT8 NOT NULL
+ ,refund_deadline INT8 NOT NULL
+ ,wire_deadline INT8 NOT NULL
+ ,merchant_pub BYTEA NOT NULL CHECK (LENGTH(merchant_pub)=32)
+ ,h_contract_terms BYTEA NOT NULL CHECK (LENGTH(h_contract_terms)=64)
+ ,h_wire BYTEA NOT NULL CHECK (LENGTH(h_wire)=64)
+ ,coin_sig BYTEA NOT NULL CHECK (LENGTH(coin_sig)=64)
+ ,wire TEXT NOT NULL
+ ,tiny BOOLEAN NOT NULL DEFAULT FALSE
+ ,done BOOLEAN NOT NULL DEFAULT FALSE
+ ,UNIQUE (coin_pub, merchant_pub, h_contract_terms)
+ );
+-- Index for get_deposit_for_wtid and get_deposit_statement */
+CREATE INDEX IF NOT EXISTS deposits_coin_pub_merchant_contract_index
+ ON deposits
+ (coin_pub
+ ,merchant_pub
+ ,h_contract_terms
+ );
+-- Index for deposits_get_ready
+CREATE INDEX IF NOT EXISTS deposits_get_ready_index
+ ON deposits
+ (tiny
+ ,done
+ ,wire_deadline
+ ,refund_deadline
+ );
+-- Index for deposits_iterate_matching
+CREATE INDEX IF NOT EXISTS deposits_iterate_matching
+ ON deposits
+ (merchant_pub
+ ,h_wire
+ ,done
+ ,wire_deadline
+ );
+-- Table with information about coins that have been refunded. (Technically
+-- one of the deposit operations that a coin was involved with is refunded.)
+-- The combo of coin_pub, merchant_pub, h_contract_terms and rtransaction_id
+-- MUST be unique, and we usually select by coin_pub so that one goes first. */
+CREATE TABLE IF NOT EXISTS refunds
+ (refund_serial_id BIGSERIAL UNIQUE
+ ,coin_pub BYTEA NOT NULL REFERENCES known_coins (coin_pub) ON DELETE CASCADE
+ ,merchant_pub BYTEA NOT NULL CHECK(LENGTH(merchant_pub)=32)
+ ,merchant_sig BYTEA NOT NULL CHECK(LENGTH(merchant_sig)=64)
+ ,h_contract_terms BYTEA NOT NULL CHECK(LENGTH(h_contract_terms)=64)
+ ,rtransaction_id INT8 NOT NULL
+ ,amount_with_fee_val INT8 NOT NULL
+ ,amount_with_fee_frac INT4 NOT NULL
+ ,PRIMARY KEY (coin_pub, merchant_pub, h_contract_terms, rtransaction_id)
+ );
+CREATE INDEX IF NOT EXISTS refunds_coin_pub_index
+ ON refunds
+ (coin_pub);
+-- This table contains the data for
+-- wire transfers the exchange has executed.
+CREATE TABLE IF NOT EXISTS wire_out
+ (wireout_uuid BIGSERIAL PRIMARY KEY
+ ,execution_date INT8 NOT NULL
+ ,wtid_raw BYTEA UNIQUE NOT NULL CHECK (LENGTH(wtid_raw)=32)
+ ,wire_target TEXT NOT NULL
+ ,exchange_account_section TEXT NOT NULL
+ ,amount_val INT8 NOT NULL
+ ,amount_frac INT4 NOT NULL
+ );
+-- Table for the tracking API, mapping from wire transfer identifier
+-- to transactions and back
+CREATE TABLE IF NOT EXISTS aggregation_tracking
+ (aggregation_serial_id BIGSERIAL UNIQUE
+ ,deposit_serial_id INT8 PRIMARY KEY REFERENCES deposits (deposit_serial_id) ON DELETE CASCADE
+ ,wtid_raw BYTEA CONSTRAINT wire_out_ref REFERENCES wire_out(wtid_raw) ON DELETE CASCADE DEFERRABLE
+ );
+-- Index for lookup_transactions statement on wtid
+CREATE INDEX IF NOT EXISTS aggregation_tracking_wtid_index
+ ON aggregation_tracking
+ (wtid_raw);
+-- Table for the wire fees.
+CREATE TABLE IF NOT EXISTS wire_fee
+ (wire_method VARCHAR NOT NULL
+ ,start_date INT8 NOT NULL
+ ,end_date INT8 NOT NULL
+ ,wire_fee_val INT8 NOT NULL
+ ,wire_fee_frac INT4 NOT NULL
+ ,closing_fee_val INT8 NOT NULL
+ ,closing_fee_frac INT4 NOT NULL
+ ,master_sig BYTEA NOT NULL CHECK (LENGTH(master_sig)=64)
+ ,PRIMARY KEY (wire_method, start_date)
+ );
+CREATE INDEX IF NOT EXISTS wire_fee_gc_index
+ ON wire_fee
+ (end_date);
+-- Table for /recoup information
+-- Do not cascade on the coin_pub, as we may keep the coin alive! */
+CREATE TABLE IF NOT EXISTS recoup
+ (recoup_uuid BIGSERIAL UNIQUE
+ ,coin_pub BYTEA NOT NULL REFERENCES known_coins (coin_pub)
+ ,coin_sig BYTEA NOT NULL CHECK(LENGTH(coin_sig)=64)
+ ,coin_blind BYTEA NOT NULL CHECK(LENGTH(coin_blind)=32)
+ ,amount_val INT8 NOT NULL
+ ,amount_frac INT4 NOT NULL
+ ,timestamp INT8 NOT NULL
+ ,h_blind_ev BYTEA NOT NULL REFERENCES reserves_out (h_blind_ev) ON DELETE CASCADE
+ );
+CREATE INDEX IF NOT EXISTS recoup_by_coin_index
+ ON recoup
+ (coin_pub);
+CREATE INDEX IF NOT EXISTS recoup_by_h_blind_ev
+ ON recoup
+ (h_blind_ev);
+CREATE INDEX IF NOT EXISTS recoup_for_by_reserve
+ ON recoup
+ (coin_pub
+ ,h_blind_ev
+ );
+-- Table for /recoup-refresh information
+-- Do not cascade on the coin_pub, as we may keep the coin alive! */
+CREATE TABLE IF NOT EXISTS recoup_refresh
+ (recoup_refresh_uuid BIGSERIAL UNIQUE
+ ,coin_pub BYTEA NOT NULL REFERENCES known_coins (coin_pub)
+ ,coin_sig BYTEA NOT NULL CHECK(LENGTH(coin_sig)=64)
+ ,coin_blind BYTEA NOT NULL CHECK(LENGTH(coin_blind)=32)
+ ,amount_val INT8 NOT NULL
+ ,amount_frac INT4 NOT NULL
+ ,timestamp INT8 NOT NULL
+ ,h_blind_ev BYTEA NOT NULL REFERENCES refresh_revealed_coins (h_coin_ev) ON DELETE CASCADE
+ );
+CREATE INDEX IF NOT EXISTS recoup_refresh_by_coin_index
+ ON recoup_refresh
+ (coin_pub);
+CREATE INDEX IF NOT EXISTS recoup_refresh_by_h_blind_ev
+ ON recoup_refresh
+ (h_blind_ev);
+CREATE INDEX IF NOT EXISTS recoup_refresh_for_by_reserve
+ ON recoup_refresh
+ (coin_pub
+ ,h_blind_ev
+ );
+-- This table contains the pre-commit data for
+-- wire transfers the exchange is about to execute.
+CREATE TABLE IF NOT EXISTS prewire
+ (prewire_uuid BIGSERIAL PRIMARY KEY
+ ,type TEXT NOT NULL
+ ,finished BOOLEAN NOT NULL DEFAULT false
+ ,buf BYTEA NOT NULL
+ );
+-- Index for wire_prepare_data_get and gc_prewire statement
+CREATE INDEX IF NOT EXISTS prepare_iteration_index
+ ON prewire
+ (finished);
+
+-- Complete transaction
+COMMIT;