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---
--- 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/>
---
-
--- ------------------------------ denominations ----------------------------------------
-
-CREATE TABLE IF NOT EXISTS denominations
- (denominations_serial BIGINT GENERATED BY DEFAULT AS IDENTITY UNIQUE
- ,denom_pub_hash BYTEA PRIMARY KEY CHECK (LENGTH(denom_pub_hash)=64)
- ,denom_type INT4 NOT NULL DEFAULT (1) -- 1 == RSA (for now, remove default later!)
- ,age_mask INT4 NOT NULL DEFAULT (0)
- ,denom_pub BYTEA NOT NULL
- ,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
- );
-COMMENT ON TABLE denominations
- IS 'Main denominations table. All the valid denominations the exchange knows about.';
-COMMENT ON COLUMN denominations.denom_type
- IS 'determines cipher type for blind signatures used with this denomination; 0 is for RSA';
-COMMENT ON COLUMN denominations.age_mask
- IS 'bitmask with the age restrictions that are being used for this denomination; 0 if denomination does not support the use of age restrictions';
-COMMENT ON COLUMN denominations.denominations_serial
- IS 'needed for exchange-auditor replication logic';
-
-CREATE INDEX IF NOT EXISTS denominations_by_expire_legal_index
- ON denominations
- (expire_legal);
-
-
--- ------------------------------ denomination_revocations ----------------------------------------
-
-CREATE TABLE IF NOT EXISTS denomination_revocations
- (denom_revocations_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY UNIQUE
- ,denominations_serial INT8 PRIMARY KEY REFERENCES denominations (denominations_serial) ON DELETE CASCADE
- ,master_sig BYTEA NOT NULL CHECK (LENGTH(master_sig)=64)
- );
-COMMENT ON TABLE denomination_revocations
- IS 'remembering which denomination keys have been revoked';
-
-
--- ------------------------------ profit drains ----------------------------------------
-
-CREATE TABLE IF NOT EXISTS profit_drains
- (profit_drain_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY UNIQUE
- ,wtid BYTEA PRIMARY KEY CHECK (LENGTH(wtid)=32)
- ,account_section VARCHAR NOT NULL
- ,payto_uri VARCHAR NOT NULL
- ,trigger_date INT8 NOT NULL
- ,amount_val INT8 NOT NULL
- ,amount_frac INT8 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_val
- 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';
-
-
--- ------------------------------ wire_targets ----------------------------------------
-
-SELECT create_table_wire_targets();
-
-COMMENT ON TABLE wire_targets
- IS 'All senders and recipients of money via the exchange';
-COMMENT ON COLUMN wire_targets.payto_uri
- IS 'Can be a regular bank account, or also be a URI identifying a reserve-account (for P2P payments)';
-COMMENT ON COLUMN wire_targets.wire_target_h_payto
- IS 'Unsalted hash of payto_uri';
--- FIXME: remove:
-COMMENT ON COLUMN wire_targets.kyc_ok
- IS 'true if the KYC check was passed successfully';
--- FIXME: remove:
-COMMENT ON COLUMN wire_targets.external_id
- IS 'Name of the user that was used for OAuth 2.0-based legitimization';
-
-CREATE TABLE IF NOT EXISTS wire_targets_default
- PARTITION OF wire_targets
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_wire_targets_partition('default');
-
-
--- ------------------------------ legitimizations ----------------------------------------
-
-SELECT create_table_legitimizations();
-
-COMMENT ON TABLE legitimizations
- IS 'List of legitimizations (required and completed) by account and provider';
-COMMENT ON COLUMN legitimizations.legitimization_serial_id
- IS 'unique ID for this legitimization process at the exchange';
-COMMENT ON COLUMN legitimizations.h_payto
- IS 'foreign key linking the entry to the wire_targets table, NOT a primary key (multiple legitimizations are possible per wire target)';
-COMMENT ON COLUMN legitimizations.expiration_time
- IS 'in the future if the respective KYC check was passed successfully';
-COMMENT ON COLUMN legitimizations.provider_section
- IS 'Configuration file section with details about this provider';
-COMMENT ON COLUMN legitimizations.provider_user_id
- IS 'Identifier for the user at the provider that was used for the legitimization. NULL if provider is unaware.';
-COMMENT ON COLUMN legitimizations.provider_legitimization_id
- IS 'Identifier for the specific legitimization process at the provider. NULL if legitimization was not started.';
-
-CREATE TABLE IF NOT EXISTS legitimizations_default
- PARTITION OF legitimizations
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_legitimizations_partition('default');
-
-
-
--- ------------------------------ reserves ----------------------------------------
-
-SELECT create_table_reserves();
-
-COMMENT ON TABLE reserves
- IS 'Summarizes the balance of a reserve. Updated when new funds are added or withdrawn.';
-COMMENT ON COLUMN reserves.reserve_pub
- IS 'EdDSA public key of the reserve. Knowledge of the private key implies ownership over the balance.';
-COMMENT ON COLUMN reserves.current_balance_val
- IS 'Current balance remaining with the reserve.';
-COMMENT ON COLUMN reserves.purses_active
- IS 'Number of purses that were created by this reserve that are not expired and not fully paid.';
-COMMENT ON COLUMN reserves.purses_allowed
- IS 'Number of purses that this reserve is allowed to have active at most.';
-COMMENT ON COLUMN reserves.kyc_required
- IS 'True if a KYC check must have been passed before withdrawing from this reserve. Set to true once a reserve received a P2P payment.';
-COMMENT ON COLUMN reserves.kyc_passed
- IS 'True once KYC was passed for this reserve. The KYC details are then available via the wire_targets table under the key of wire_target_h_payto which is to be derived from the reserve_pub and the base URL of this exchange.';
-COMMENT ON COLUMN reserves.expiration_date
- IS 'Used to trigger closing of reserves that have not been drained after some time';
-COMMENT ON COLUMN reserves.gc_date
- IS 'Used to forget all information about a reserve during garbage collection';
-
-CREATE TABLE IF NOT EXISTS reserves_default
- PARTITION OF reserves
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
--- ------------------------------ reserves_in ----------------------------------------
-
-SELECT create_table_reserves_in();
-
-COMMENT ON TABLE reserves_in
- IS 'list of transfers of funds into the reserves, one per incoming wire transfer';
-COMMENT ON COLUMN reserves_in.wire_source_h_payto
- IS 'Identifies the debited bank account and KYC status';
-COMMENT ON COLUMN reserves_in.reserve_pub
- IS 'Public key of the reserve. Private key signifies ownership of the remaining balance.';
-COMMENT ON COLUMN reserves_in.credit_val
- IS 'Amount that was transferred into the reserve';
-
-CREATE TABLE IF NOT EXISTS reserves_in_default
- PARTITION OF reserves_in
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_reserves_in_partition('default');
-
--- ------------------------------ reserves_close ----------------------------------------
-
-SELECT create_table_reserves_close();
-
-COMMENT ON TABLE reserves_close
- IS 'wire transfers executed by the reserve to close reserves';
-COMMENT ON COLUMN reserves_close.wire_target_h_payto
- IS 'Identifies the credited bank account (and KYC status). Note that closing does not depend on KYC.';
-
-CREATE TABLE IF NOT EXISTS reserves_close_default
- PARTITION OF reserves_close
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_reserves_close_partition('default');
-
-
--- ------------------------------ reserves_out ----------------------------------------
-
-SELECT create_table_reserves_out();
-
-COMMENT ON TABLE reserves_out
- IS 'Withdraw operations performed on reserves.';
-COMMENT ON COLUMN reserves_out.h_blind_ev
- IS 'Hash of the blinded coin, used as primary key here so that broken clients that use a non-random coin or blinding factor fail to withdraw (otherwise they would fail on deposit when the coin is not unique there).';
-COMMENT ON COLUMN reserves_out.denominations_serial
- IS 'We do not CASCADE ON DELETE here, we may keep the denomination data alive';
-
-CREATE TABLE IF NOT EXISTS reserves_out_default
- PARTITION OF reserves_out
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_reserves_out_partition('default');
-
-
-SELECT create_table_reserves_out_by_reserve();
-
-COMMENT ON TABLE reserves_out_by_reserve
- IS 'Information in this table is strictly redundant with that of reserves_out, but saved by a different primary key for fast lookups by reserve public key/uuid.';
-
-CREATE TABLE IF NOT EXISTS reserves_out_by_reserve_default
- PARTITION OF reserves_out_by_reserve
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-CREATE OR REPLACE FUNCTION reserves_out_by_reserve_insert_trigger()
- RETURNS trigger
- LANGUAGE plpgsql
- AS $$
-BEGIN
- INSERT INTO exchange.reserves_out_by_reserve
- (reserve_uuid
- ,h_blind_ev)
- VALUES
- (NEW.reserve_uuid
- ,NEW.h_blind_ev);
- RETURN NEW;
-END $$;
-COMMENT ON FUNCTION reserves_out_by_reserve_insert_trigger()
- IS 'Replicate reserve_out inserts into reserve_out_by_reserve table.';
-
-CREATE TRIGGER reserves_out_on_insert
- AFTER INSERT
- ON reserves_out
- FOR EACH ROW EXECUTE FUNCTION reserves_out_by_reserve_insert_trigger();
-
-CREATE OR REPLACE FUNCTION reserves_out_by_reserve_delete_trigger()
- RETURNS trigger
- LANGUAGE plpgsql
- AS $$
-BEGIN
- DELETE FROM exchange.reserves_out_by_reserve
- WHERE reserve_uuid = OLD.reserve_uuid;
- RETURN OLD;
-END $$;
-COMMENT ON FUNCTION reserves_out_by_reserve_delete_trigger()
- IS 'Replicate reserve_out deletions into reserve_out_by_reserve table.';
-
-CREATE TRIGGER reserves_out_on_delete
- AFTER DELETE
- ON reserves_out
- FOR EACH ROW EXECUTE FUNCTION reserves_out_by_reserve_delete_trigger();
-
-
--- ------------------------------ auditors ----------------------------------------
-
-CREATE TABLE IF NOT EXISTS auditors
- (auditor_uuid BIGINT GENERATED BY DEFAULT AS IDENTITY 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.';
-
-
--- ------------------------------ auditor_denom_sigs ----------------------------------------
-
-CREATE TABLE IF NOT EXISTS auditor_denom_sigs
- (auditor_denom_serial BIGINT GENERATED BY DEFAULT AS IDENTITY 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.';
-
-
--- ------------------------------ exchange_sign_keys ----------------------------------------
-
-CREATE TABLE IF NOT EXISTS exchange_sign_keys
- (esk_serial BIGINT GENERATED BY DEFAULT AS IDENTITY 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.';
-
-
--- ------------------------------ signkey_revocations ----------------------------------------
-
-CREATE TABLE IF NOT EXISTS signkey_revocations
- (signkey_revocations_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY UNIQUE
- ,esk_serial INT8 PRIMARY KEY REFERENCES exchange_sign_keys (esk_serial) ON DELETE CASCADE
- ,master_sig BYTEA NOT NULL CHECK (LENGTH(master_sig)=64)
- );
-COMMENT ON TABLE signkey_revocations
- IS 'Table storing which online signing keys have been revoked';
-
-
--- ------------------------------ extension ----------------------------------------
-
-CREATE TABLE IF NOT EXISTS extensions
- (extension_id BIGINT GENERATED BY DEFAULT AS IDENTITY UNIQUE
- ,name VARCHAR NOT NULL UNIQUE
- ,config BYTEA
- );
-COMMENT ON TABLE extensions
- IS 'Configurations of the activated extensions';
-COMMENT ON COLUMN extensions.name
- IS 'Name of the extension';
-COMMENT ON COLUMN extensions.config
- IS 'Configuration of the extension as JSON-blob, maybe NULL';
-
-
--- ------------------------------ known_coins ----------------------------------------
-
-SELECT create_table_known_coins();
-
-COMMENT ON TABLE known_coins
- IS 'information about coins and their signatures, so we do not have to store the signatures more than once if a coin is involved in multiple operations';
-COMMENT ON COLUMN known_coins.denominations_serial
- IS 'Denomination of the coin, determines the value of the original coin and applicable fees for coin-specific operations.';
-COMMENT ON COLUMN known_coins.coin_pub
- IS 'EdDSA public key of the coin';
-COMMENT ON COLUMN known_coins.remaining_val
- IS 'Value of the coin that remains to be spent';
-COMMENT ON COLUMN known_coins.age_commitment_hash
- IS 'Optional hash of the age commitment for age restrictions as per DD 24 (active if denom_type has the respective bit set)';
-COMMENT ON COLUMN known_coins.denom_sig
- IS 'This is the signature of the exchange that affirms that the coin is a valid coin. The specific signature type depends on denom_type of the denomination.';
-
-CREATE TABLE IF NOT EXISTS known_coins_default
- PARTITION OF known_coins
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_known_coins_partition('default');
-
-
--- ------------------------------ refresh_commitments ----------------------------------------
-
-SELECT create_table_refresh_commitments();
-
-COMMENT ON TABLE refresh_commitments
- IS 'Commitments made when melting coins and the gamma value chosen by the exchange.';
-COMMENT ON COLUMN refresh_commitments.noreveal_index
- IS 'The gamma value chosen by the exchange in the cut-and-choose protocol';
-COMMENT ON COLUMN refresh_commitments.rc
- IS 'Commitment made by the client, hash over the various client inputs in the cut-and-choose protocol';
-COMMENT ON COLUMN refresh_commitments.old_coin_pub
- IS 'Coin being melted in the refresh process.';
-
-CREATE TABLE IF NOT EXISTS refresh_commitments_default
- PARTITION OF refresh_commitments
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_refresh_commitments_partition('default');
-
-
--- ------------------------------ refresh_revealed_coins ----------------------------------------
-
-SELECT create_table_refresh_revealed_coins();
-
-COMMENT ON TABLE refresh_revealed_coins
- IS 'Revelations about the new coins that are to be created during a melting session.';
-COMMENT ON COLUMN refresh_revealed_coins.rrc_serial
- IS 'needed for exchange-auditor replication logic';
-COMMENT ON COLUMN refresh_revealed_coins.melt_serial_id
- IS 'Identifies the refresh commitment (rc) of the melt operation.';
-COMMENT ON COLUMN refresh_revealed_coins.freshcoin_index
- IS 'index of the fresh coin being created (one melt operation may result in multiple fresh coins)';
-COMMENT ON COLUMN refresh_revealed_coins.coin_ev
- IS 'envelope of the new coin to be signed';
-COMMENT ON COLUMN refresh_revealed_coins.ewv
- IS 'exchange contributed values in the creation of the fresh coin (see /csr)';
-COMMENT ON COLUMN refresh_revealed_coins.h_coin_ev
- IS 'hash of the envelope of the new coin to be signed (for lookups)';
-COMMENT ON COLUMN refresh_revealed_coins.ev_sig
- IS 'exchange signature over the envelope';
-
-CREATE TABLE IF NOT EXISTS refresh_revealed_coins_default
- PARTITION OF refresh_revealed_coins
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_refresh_revealed_coins_partition('default');
-
-
--- ------------------------------ refresh_transfer_keys ----------------------------------------
-
-SELECT create_table_refresh_transfer_keys();
-
-COMMENT ON TABLE refresh_transfer_keys
- IS 'Transfer keys of a refresh operation (the data revealed to the exchange).';
-COMMENT ON COLUMN refresh_transfer_keys.rtc_serial
- IS 'needed for exchange-auditor replication logic';
-COMMENT ON COLUMN refresh_transfer_keys.melt_serial_id
- IS 'Identifies the refresh commitment (rc) of the operation.';
-COMMENT ON COLUMN refresh_transfer_keys.transfer_pub
- IS 'transfer public key for the gamma index';
-COMMENT ON COLUMN refresh_transfer_keys.transfer_privs
- IS 'array of TALER_CNC_KAPPA - 1 transfer private keys that have been revealed, with the gamma entry being skipped';
-
-CREATE TABLE IF NOT EXISTS refresh_transfer_keys_default
- PARTITION OF refresh_transfer_keys
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_refresh_transfer_keys_partition('default');
-
-
--- ------------------------------ extension_details ----------------------------------------
-
-CREATE TABLE IF NOT EXISTS extension_details
- (extension_details_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY PRIMARY KEY
- ,extension_options VARCHAR)
- PARTITION BY HASH (extension_details_serial_id);
-COMMENT ON TABLE extension_details
- IS 'Extensions that were provided with deposits (not yet used).';
-COMMENT ON COLUMN extension_details.extension_options
- IS 'JSON object with options set that the exchange needs to consider when executing a deposit. Supported details depend on the extensions supported by the exchange.';
-
-CREATE TABLE IF NOT EXISTS extension_details_default
- PARTITION OF extension_details
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-
--- ------------------------------ deposits ----------------------------------------
-
-SELECT create_table_deposits();
-
-COMMENT ON TABLE deposits
- IS 'Deposits we have received and for which we need to make (aggregate) wire transfers (and manage refunds).';
-COMMENT ON COLUMN deposits.shard
- IS 'Used for load sharding in the materialized indices. Should be set based on merchant_pub. 64-bit value because we need an *unsigned* 32-bit value.';
-COMMENT ON COLUMN deposits.known_coin_id
- IS 'Used for garbage collection';
-COMMENT ON COLUMN deposits.wire_target_h_payto
- IS 'Identifies the target bank account and KYC status';
-COMMENT ON COLUMN deposits.wire_salt
- IS 'Salt used when hashing the payto://-URI to get the h_wire';
-COMMENT ON COLUMN deposits.done
- IS 'Set to TRUE once we have included this deposit in some aggregate wire transfer to the merchant';
-COMMENT ON COLUMN deposits.extension_blocked
- IS 'True if the aggregation of the deposit is currently blocked by some extension mechanism. Used to filter out deposits that must not be processed by the canonical deposit logic.';
-COMMENT ON COLUMN deposits.extension_details_serial_id
- IS 'References extensions table, NULL if extensions are not used';
-
-CREATE TABLE IF NOT EXISTS deposits_default
- PARTITION OF deposits
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_deposits_partition('default');
-
-
-SELECT create_table_deposits_by_ready();
-
-COMMENT ON TABLE deposits_by_ready
- IS 'Enables fast lookups for deposits_get_ready, auto-populated via TRIGGER below';
-
-CREATE TABLE IF NOT EXISTS deposits_by_ready_default
- PARTITION OF deposits_by_ready
- DEFAULT;
-
-
-SELECT create_table_deposits_for_matching();
-
-COMMENT ON TABLE deposits_for_matching
- IS 'Enables fast lookups for deposits_iterate_matching, auto-populated via TRIGGER below';
-
-CREATE TABLE IF NOT EXISTS deposits_for_matching_default
- PARTITION OF deposits_for_matching
- DEFAULT;
-
-
-CREATE OR REPLACE FUNCTION deposits_insert_trigger()
- RETURNS trigger
- LANGUAGE plpgsql
- AS $$
-DECLARE
- is_ready BOOLEAN;
-BEGIN
- is_ready = NOT (NEW.done OR NEW.extension_blocked);
-
- IF (is_ready)
- THEN
- INSERT INTO exchange.deposits_by_ready
- (wire_deadline
- ,shard
- ,coin_pub
- ,deposit_serial_id)
- VALUES
- (NEW.wire_deadline
- ,NEW.shard
- ,NEW.coin_pub
- ,NEW.deposit_serial_id);
- INSERT INTO exchange.deposits_for_matching
- (refund_deadline
- ,merchant_pub
- ,coin_pub
- ,deposit_serial_id)
- VALUES
- (NEW.refund_deadline
- ,NEW.merchant_pub
- ,NEW.coin_pub
- ,NEW.deposit_serial_id);
- END IF;
- RETURN NEW;
-END $$;
-COMMENT ON FUNCTION deposits_insert_trigger()
- IS 'Replicate deposit inserts into materialized indices.';
-
-CREATE TRIGGER deposits_on_insert
- AFTER INSERT
- ON deposits
- FOR EACH ROW EXECUTE FUNCTION deposits_insert_trigger();
-
-CREATE OR REPLACE FUNCTION deposits_update_trigger()
- RETURNS trigger
- LANGUAGE plpgsql
- AS $$
-DECLARE
- was_ready BOOLEAN;
-DECLARE
- is_ready BOOLEAN;
-BEGIN
- was_ready = NOT (OLD.done OR OLD.extension_blocked);
- is_ready = NOT (NEW.done OR NEW.extension_blocked);
- IF (was_ready AND NOT is_ready)
- THEN
- DELETE FROM exchange.deposits_by_ready
- WHERE wire_deadline = OLD.wire_deadline
- AND shard = OLD.shard
- AND coin_pub = OLD.coin_pub
- AND deposit_serial_id = OLD.deposit_serial_id;
- DELETE FROM exchange.deposits_for_matching
- WHERE refund_deadline = OLD.refund_deadline
- AND merchant_pub = OLD.merchant_pub
- AND coin_pub = OLD.coin_pub
- AND deposit_serial_id = OLD.deposit_serial_id;
- END IF;
- IF (is_ready AND NOT was_ready)
- THEN
- INSERT INTO exchange.deposits_by_ready
- (wire_deadline
- ,shard
- ,coin_pub
- ,deposit_serial_id)
- VALUES
- (NEW.wire_deadline
- ,NEW.shard
- ,NEW.coin_pub
- ,NEW.deposit_serial_id);
- INSERT INTO exchange.deposits_for_matching
- (refund_deadline
- ,merchant_pub
- ,coin_pub
- ,deposit_serial_id)
- VALUES
- (NEW.refund_deadline
- ,NEW.merchant_pub
- ,NEW.coin_pub
- ,NEW.deposit_serial_id);
- END IF;
- RETURN NEW;
-END $$;
-COMMENT ON FUNCTION deposits_update_trigger()
- IS 'Replicate deposits changes into materialized indices.';
-
-CREATE TRIGGER deposits_on_update
- AFTER UPDATE
- ON deposits
- FOR EACH ROW EXECUTE FUNCTION deposits_update_trigger();
-
-CREATE OR REPLACE FUNCTION deposits_delete_trigger()
- RETURNS trigger
- LANGUAGE plpgsql
- AS $$
-DECLARE
- was_ready BOOLEAN;
-BEGIN
- was_ready = NOT (OLD.done OR OLD.extension_blocked);
-
- IF (was_ready)
- THEN
- DELETE FROM exchange.deposits_by_ready
- WHERE wire_deadline = OLD.wire_deadline
- AND shard = OLD.shard
- AND coin_pub = OLD.coin_pub
- AND deposit_serial_id = OLD.deposit_serial_id;
- DELETE FROM exchange.deposits_for_matching
- WHERE refund_deadline = OLD.refund_deadline
- AND merchant_pub = OLD.merchant_pub
- AND coin_pub = OLD.coin_pub
- AND deposit_serial_id = OLD.deposit_serial_id;
- END IF;
- RETURN NEW;
-END $$;
-COMMENT ON FUNCTION deposits_delete_trigger()
- IS 'Replicate deposit deletions into materialized indices.';
-
-CREATE TRIGGER deposits_on_delete
- AFTER DELETE
- ON deposits
- FOR EACH ROW EXECUTE FUNCTION deposits_delete_trigger();
-
-
--- ------------------------------ refunds ----------------------------------------
-
-SELECT create_table_refunds();
-
-COMMENT ON TABLE refunds
- IS 'Data on coins that were refunded. Technically, refunds always apply against specific deposit operations involving a coin. The combination 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.';
-COMMENT ON COLUMN refunds.deposit_serial_id
- IS 'Identifies ONLY the merchant_pub, h_contract_terms and coin_pub. Multiple deposits may match a refund, this only identifies one of them.';
-COMMENT ON COLUMN refunds.rtransaction_id
- IS 'used by the merchant to make refunds unique in case the same coin for the same deposit gets a subsequent (higher) refund';
-
-CREATE TABLE IF NOT EXISTS refunds_default
- PARTITION OF refunds
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_refunds_partition('default');
-
-
--- ------------------------------ wire_out ----------------------------------------
-
-SELECT create_table_wire_out();
-
-COMMENT ON TABLE wire_out
- IS 'wire transfers the exchange has executed';
-COMMENT ON COLUMN wire_out.exchange_account_section
- IS 'identifies the configuration section with the debit account of this payment';
-COMMENT ON COLUMN wire_out.wire_target_h_payto
- IS 'Identifies the credited bank account and KYC status';
-
-CREATE TABLE IF NOT EXISTS wire_out_default
- PARTITION OF wire_out
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_wire_out_partition('default');
-
-CREATE OR REPLACE FUNCTION wire_out_delete_trigger()
- RETURNS trigger
- LANGUAGE plpgsql
- AS $$
-BEGIN
- DELETE FROM exchange.aggregation_tracking
- WHERE wtid_raw = OLD.wtid_raw;
- RETURN OLD;
-END $$;
-COMMENT ON FUNCTION wire_out_delete_trigger()
- IS 'Replicate reserve_out deletions into aggregation_tracking. This replaces an earlier use of an ON DELETE CASCADE that required a DEFERRABLE constraint and conflicted with nice partitioning.';
-
-CREATE TRIGGER wire_out_on_delete
- AFTER DELETE
- ON wire_out
- FOR EACH ROW EXECUTE FUNCTION wire_out_delete_trigger();
-
-
-
--- ------------------------------ aggregation_transient ----------------------------------------
-
-SELECT create_table_aggregation_transient();
-
-COMMENT ON TABLE aggregation_transient
- IS 'aggregations currently happening (lacking wire_out, usually because the amount is too low); this table is not replicated';
-COMMENT ON COLUMN aggregation_transient.amount_val
- IS 'Sum of all of the aggregated deposits (without deposit fees)';
-COMMENT ON COLUMN aggregation_transient.wtid_raw
- IS 'identifier of the wire transfer';
-
-CREATE TABLE IF NOT EXISTS aggregation_transient_default
- PARTITION OF aggregation_transient
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-
--- ------------------------------ aggregation_tracking ----------------------------------------
-
-SELECT create_table_aggregation_tracking();
-
-COMMENT ON TABLE aggregation_tracking
- IS 'mapping from wire transfer identifiers (WTID) to deposits (and back)';
-COMMENT ON COLUMN aggregation_tracking.wtid_raw
- IS 'identifier of the wire transfer';
-
-CREATE TABLE IF NOT EXISTS aggregation_tracking_default
- PARTITION OF aggregation_tracking
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_aggregation_tracking_partition('default');
-
-
--- ------------------------------ wire_fee ----------------------------------------
-
-CREATE TABLE IF NOT EXISTS wire_fee
- (wire_fee_serial BIGINT GENERATED BY DEFAULT AS IDENTITY UNIQUE
- ,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
- ,wad_fee_val INT8 NOT NULL
- ,wad_fee_frac INT4 NOT NULL
- ,master_sig BYTEA NOT NULL CHECK (LENGTH(master_sig)=64)
- ,PRIMARY KEY (wire_method, start_date)
- );
-COMMENT ON TABLE wire_fee
- IS 'list of the wire fees of this exchange, by date';
-COMMENT ON COLUMN wire_fee.wire_fee_serial
- IS 'needed for exchange-auditor replication logic';
-
-CREATE INDEX IF NOT EXISTS wire_fee_by_end_date_index
- ON wire_fee
- (end_date);
-
-
--- ------------------------------ global_fee ----------------------------------------
-
-CREATE TABLE IF NOT EXISTS global_fee
- (global_fee_serial BIGINT GENERATED BY DEFAULT AS IDENTITY UNIQUE
- ,start_date INT8 NOT NULL
- ,end_date INT8 NOT NULL
- ,history_fee_val INT8 NOT NULL
- ,history_fee_frac INT4 NOT NULL
- ,kyc_fee_val INT8 NOT NULL
- ,kyc_fee_frac INT4 NOT NULL
- ,account_fee_val INT8 NOT NULL
- ,account_fee_frac INT4 NOT NULL
- ,purse_fee_val INT8 NOT NULL
- ,purse_fee_frac INT4 NOT NULL
- ,purse_timeout INT8 NOT NULL
- ,kyc_timeout INT8 NOT NULL
- ,history_expiration INT8 NOT NULL
- ,purse_account_limit INT4 NOT NULL
- ,master_sig BYTEA NOT NULL CHECK (LENGTH(master_sig)=64)
- ,PRIMARY KEY (start_date)
- );
-COMMENT ON TABLE global_fee
- IS 'list of the global fees of this exchange, by date';
-COMMENT ON COLUMN global_fee.global_fee_serial
- IS 'needed for exchange-auditor replication logic';
-
-CREATE INDEX IF NOT EXISTS global_fee_by_end_date_index
- ON global_fee
- (end_date);
-
-
--- ------------------------------ recoup ----------------------------------------
-
-SELECT create_table_recoup();
-
-COMMENT ON TABLE recoup
- IS 'Information about recoups that were executed between a coin and a reserve. In this type of recoup, the amount is credited back to the reserve from which the coin originated.';
-COMMENT ON COLUMN recoup.coin_pub
- IS 'Coin that is being debited in the recoup. Do not CASCADE ON DROP on the coin_pub, as we may keep the coin alive!';
-COMMENT ON COLUMN recoup.reserve_out_serial_id
- IS 'Identifies the h_blind_ev of the recouped coin and provides the link to the credited reserve.';
-COMMENT ON COLUMN recoup.coin_sig
- IS 'Signature by the coin affirming the recoup, of type TALER_SIGNATURE_WALLET_COIN_RECOUP';
-COMMENT ON COLUMN recoup.coin_blind
- IS 'Denomination blinding key used when creating the blinded coin from the planchet. Secret revealed during the recoup to provide the linkage between the coin and the withdraw operation.';
-
-CREATE TABLE IF NOT EXISTS recoup_default
- PARTITION OF recoup
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_recoup_partition('default');
-
-
-SELECT create_table_recoup_by_reserve();
-
-COMMENT ON TABLE recoup_by_reserve
- IS 'Information in this table is strictly redundant with that of recoup, but saved by a different primary key for fast lookups by reserve_out_serial_id.';
-
-CREATE TABLE IF NOT EXISTS recoup_by_reserve_default
- PARTITION OF recoup_by_reserve
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-CREATE OR REPLACE FUNCTION recoup_insert_trigger()
- RETURNS trigger
- LANGUAGE plpgsql
- AS $$
-BEGIN
- INSERT INTO exchange.recoup_by_reserve
- (reserve_out_serial_id
- ,coin_pub)
- VALUES
- (NEW.reserve_out_serial_id
- ,NEW.coin_pub);
- RETURN NEW;
-END $$;
-COMMENT ON FUNCTION recoup_insert_trigger()
- IS 'Replicate recoup inserts into recoup_by_reserve table.';
-
-CREATE TRIGGER recoup_on_insert
- AFTER INSERT
- ON recoup
- FOR EACH ROW EXECUTE FUNCTION recoup_insert_trigger();
-
-CREATE OR REPLACE FUNCTION recoup_delete_trigger()
- RETURNS trigger
- LANGUAGE plpgsql
- AS $$
-BEGIN
- DELETE FROM exchange.recoup_by_reserve
- WHERE reserve_out_serial_id = OLD.reserve_out_serial_id
- AND coin_pub = OLD.coin_pub;
- RETURN OLD;
-END $$;
-COMMENT ON FUNCTION recoup_delete_trigger()
- IS 'Replicate recoup deletions into recoup_by_reserve table.';
-
-CREATE TRIGGER recoup_on_delete
- AFTER DELETE
- ON recoup
- FOR EACH ROW EXECUTE FUNCTION recoup_delete_trigger();
-
-
--- ------------------------------ recoup_refresh ----------------------------------------
-
-SELECT create_table_recoup_refresh();
-
-COMMENT ON TABLE recoup_refresh
- IS 'Table of coins that originated from a refresh operation and that were recouped. Links the (fresh) coin to the melted operation (and thus the old coin). A recoup on a refreshed coin credits the old coin and debits the fresh coin.';
-COMMENT ON COLUMN recoup_refresh.coin_pub
- IS 'Refreshed coin of a revoked denomination where the residual value is credited to the old coin. Do not CASCADE ON DROP on the coin_pub, as we may keep the coin alive!';
-COMMENT ON COLUMN recoup_refresh.known_coin_id
- IS 'FIXME: (To be) used for garbage collection (in the future)';
-COMMENT ON COLUMN recoup_refresh.rrc_serial
- IS 'Link to the refresh operation. Also identifies the h_blind_ev of the recouped coin (as h_coin_ev).';
-COMMENT ON COLUMN recoup_refresh.coin_blind
- IS 'Denomination blinding key used when creating the blinded coin from the planchet. Secret revealed during the recoup to provide the linkage between the coin and the refresh operation.';
-
-CREATE TABLE IF NOT EXISTS recoup_refresh_default
- PARTITION OF recoup_refresh
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_recoup_refresh_partition('default');
-
-
--- ------------------------------ prewire ----------------------------------------
-
-SELECT create_table_prewire();
-
-COMMENT ON TABLE prewire
- IS 'pre-commit data for wire transfers we are about to execute';
-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';
-
-CREATE TABLE IF NOT EXISTS prewire_default
- PARTITION OF prewire
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-
--- ------------------------------ wire_accounts ----------------------------------------
-
-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 sequence because it is a 'mutable' table
--- and is of no concern to the auditor
-
-
--- ------------------------------ cs_nonce_locks ----------------------------------------
-
-SELECT create_table_cs_nonce_locks();
-
-COMMENT ON TABLE cs_nonce_locks
- IS 'ensures a Clause Schnorr client nonce is locked for use with an operation identified by a hash';
-COMMENT ON COLUMN cs_nonce_locks.nonce
- IS 'actual nonce submitted by the client';
-COMMENT ON COLUMN cs_nonce_locks.op_hash
- IS 'hash (RC for refresh, blind coin hash for withdraw) the nonce may be used with';
-COMMENT ON COLUMN cs_nonce_locks.max_denomination_serial
- IS 'Maximum number of a CS denomination serial the nonce could be used with, for GC';
-
-CREATE TABLE IF NOT EXISTS cs_nonce_locks_default
- PARTITION OF cs_nonce_locks
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_cs_nonce_locks_partition('default');
-
-
--- ------------------------------ work_shards ----------------------------------------
-
-CREATE TABLE IF NOT EXISTS work_shards
- (shard_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY UNIQUE
- ,last_attempt INT8 NOT NULL
- ,start_row INT8 NOT NULL
- ,end_row INT8 NOT NULL
- ,completed BOOLEAN NOT NULL DEFAULT FALSE
- ,job_name VARCHAR NOT NULL
- ,PRIMARY KEY (job_name, start_row)
- );
-COMMENT ON TABLE work_shards
- IS 'coordinates work between multiple processes working on the same job';
-COMMENT ON COLUMN work_shards.shard_serial_id
- IS 'unique serial number identifying the shard';
-COMMENT ON COLUMN work_shards.last_attempt
- IS 'last time a worker attempted to work on the shard';
-COMMENT ON COLUMN work_shards.completed
- IS 'set to TRUE once the shard is finished by a worker';
-COMMENT ON COLUMN work_shards.start_row
- IS 'row at which the shard scope starts, inclusive';
-COMMENT ON COLUMN work_shards.end_row
- IS 'row at which the shard scope ends, exclusive';
-COMMENT ON COLUMN work_shards.job_name
- IS 'unique name of the job the workers on this shard are performing';
-
-CREATE INDEX IF NOT EXISTS work_shards_by_job_name_completed_last_attempt_index
- ON work_shards
- (job_name
- ,completed
- ,last_attempt ASC
- );
-
-
--- ------------------------------ revolving_work_shards ----------------------------------------
-
-CREATE UNLOGGED TABLE IF NOT EXISTS revolving_work_shards
- (shard_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY UNIQUE
- ,last_attempt INT8 NOT NULL
- ,start_row INT4 NOT NULL
- ,end_row INT4 NOT NULL
- ,active BOOLEAN NOT NULL DEFAULT FALSE
- ,job_name VARCHAR NOT NULL
- ,PRIMARY KEY (job_name, start_row)
- );
-COMMENT ON TABLE revolving_work_shards
- IS 'coordinates work between multiple processes working on the same job with partitions that need to be repeatedly processed; unlogged because on system crashes the locks represented by this table will have to be cleared anyway, typically using "taler-exchange-dbinit -s"';
-COMMENT ON COLUMN revolving_work_shards.shard_serial_id
- IS 'unique serial number identifying the shard';
-COMMENT ON COLUMN revolving_work_shards.last_attempt
- IS 'last time a worker attempted to work on the shard';
-COMMENT ON COLUMN revolving_work_shards.active
- IS 'set to TRUE when a worker is active on the shard';
-COMMENT ON COLUMN revolving_work_shards.start_row
- IS 'row at which the shard scope starts, inclusive';
-COMMENT ON COLUMN revolving_work_shards.end_row
- IS 'row at which the shard scope ends, exclusive';
-COMMENT ON COLUMN revolving_work_shards.job_name
- IS 'unique name of the job the workers on this shard are performing';
-
-CREATE INDEX IF NOT EXISTS revolving_work_shards_by_job_name_active_last_attempt_index
- ON revolving_work_shards
- (job_name
- ,active
- ,last_attempt
- );
-
---------------------------------------------------------------------------
--- Tables for P2P payments
---------------------------------------------------------------------------
-
--- ------------------------------ partners ----------------------------------------
-
-CREATE TABLE IF NOT EXISTS partners
- (partner_serial_id BIGINT GENERATED BY DEFAULT AS IDENTITY UNIQUE
- ,partner_master_pub BYTEA NOT NULL CHECK(LENGTH(partner_master_pub)=32)
- ,start_date INT8 NOT NULL
- ,end_date INT8 NOT NULL
- ,next_wad INT8 NOT NULL DEFAULT (0)
- ,wad_frequency INT8 NOT NULL
- ,wad_fee_val INT8 NOT NULL
- ,wad_fee_frac INT4 NOT NULL
- ,master_sig BYTEA NOT NULL CHECK (LENGTH(master_sig)=64)
- ,partner_base_url TEXT NOT NULL
- );
-COMMENT ON TABLE partners
- IS 'exchanges we do wad transfers to';
-COMMENT ON COLUMN partners.partner_master_pub
- IS 'offline master public key of the partner';
-COMMENT ON COLUMN partners.start_date
- IS 'starting date of the partnership';
-COMMENT ON COLUMN partners.end_date
- IS 'end date of the partnership';
-COMMENT ON COLUMN partners.next_wad
- IS 'at what time should we do the next wad transfer to this partner (frequently updated); set to forever after the end_date';
-COMMENT ON COLUMN partners.wad_frequency
- IS 'how often do we promise to do wad transfers';
-COMMENT ON COLUMN partners.wad_fee_val
- IS 'how high is the fee for a wallet to be added to a wad to this partner';
-COMMENT ON COLUMN partners.partner_base_url
- IS 'base URL of the REST API for this partner';
-COMMENT ON COLUMN partners.master_sig
- IS 'signature of our master public key affirming the partnership, of purpose TALER_SIGNATURE_MASTER_PARTNER_DETAILS';
-
-CREATE INDEX IF NOT EXISTS partner_by_wad_time
- ON partners (next_wad ASC);
-
--- ------------------------------ purse_requests ----------------------------------------
-
-SELECT create_table_purse_requests();
-
-COMMENT ON TABLE purse_requests
- IS 'Requests establishing purses, associating them with a contract but without a target reserve';
-COMMENT ON COLUMN purse_requests.purse_pub
- IS 'Public key of the purse';
-COMMENT ON COLUMN purse_requests.purse_creation
- IS 'Local time when the purse was created. Determines applicable purse fees.';
-COMMENT ON COLUMN purse_requests.purse_expiration
- IS 'When the purse is set to expire';
-COMMENT ON COLUMN purse_requests.h_contract_terms
- IS 'Hash of the contract the parties are to agree to';
-COMMENT ON COLUMN purse_requests.flags
- IS 'see the enum TALER_WalletAccountMergeFlags';
-COMMENT ON COLUMN purse_requests.finished
- IS 'set to TRUE once the purse has been merged (into reserve or wad) or the coins were refunded (transfer aborted)';
-COMMENT ON COLUMN purse_requests.refunded
- IS 'set to TRUE if the purse could not be merged and thus all deposited coins were refunded';
-COMMENT ON COLUMN purse_requests.in_reserve_quota
- IS 'set to TRUE if this purse currently counts against the number of free purses in the respective reserve';
-COMMENT ON COLUMN purse_requests.amount_with_fee_val
- IS 'Total amount expected to be in the purse';
-COMMENT ON COLUMN purse_requests.purse_fee_val
- IS 'Purse fee the client agreed to pay from the reserve (accepted by the exchange at the time the purse was created). Zero if in_reserve_quota is TRUE.';
-COMMENT ON COLUMN purse_requests.balance_val
- IS 'Total amount actually in the purse';
-COMMENT ON COLUMN purse_requests.purse_sig
- IS 'Signature of the purse affirming the purse parameters, of type TALER_SIGNATURE_PURSE_REQUEST';
-
-CREATE TABLE IF NOT EXISTS purse_requests_default
- PARTITION OF purse_requests
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_purse_requests_partition('default');
-
-
--- ------------------------------ purse_refunds ----------------------------------------
-
-SELECT create_table_purse_refunds();
-
-COMMENT ON TABLE purse_refunds
- IS 'Purses that were refunded due to expiration';
-COMMENT ON COLUMN purse_refunds.purse_pub
- IS 'Public key of the purse';
-
-CREATE TABLE IF NOT EXISTS purse_refunds_default
- PARTITION OF purse_refunds
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_purse_refunds_partition('default');
-
-
--- ------------------------------ purse_merges ----------------------------------------
-
-SELECT create_table_purse_merges();
-
-COMMENT ON TABLE purse_merges
- IS 'Merge requests where a purse-owner requested merging the purse into the account';
-COMMENT ON COLUMN purse_merges.partner_serial_id
- IS 'identifies the partner exchange, NULL in case the target reserve lives at this exchange';
-COMMENT ON COLUMN purse_merges.reserve_pub
- IS 'public key of the target reserve';
-COMMENT ON COLUMN purse_merges.purse_pub
- IS 'public key of the purse';
-COMMENT ON COLUMN purse_merges.merge_sig
- IS 'signature by the purse private key affirming the merge, of type TALER_SIGNATURE_WALLET_PURSE_MERGE';
-COMMENT ON COLUMN purse_merges.merge_timestamp
- IS 'when was the merge message signed';
-
-CREATE TABLE IF NOT EXISTS purse_merges_default
- PARTITION OF purse_merges
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_purse_merges_partition('default');
-
-
--- ------------------------------ account_merges ----------------------------------------
-
-SELECT create_table_account_merges();
-
-COMMENT ON TABLE account_merges
- IS 'Merge requests where a purse- and account-owner requested merging the purse into the account';
-COMMENT ON COLUMN account_merges.reserve_pub
- IS 'public key of the target reserve';
-COMMENT ON COLUMN account_merges.purse_pub
- IS 'public key of the purse';
-COMMENT ON COLUMN account_merges.reserve_sig
- IS 'signature by the reserve private key affirming the merge, of type TALER_SIGNATURE_WALLET_ACCOUNT_MERGE';
-
-CREATE TABLE IF NOT EXISTS account_merges_default
- PARTITION OF account_merges
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_account_merges_partition('default');
-
-
--- ------------------------------ contracts ----------------------------------------
-
-SELECT create_table_contracts();
-
-COMMENT ON TABLE contracts
- IS 'encrypted contracts associated with purses';
-COMMENT ON COLUMN contracts.purse_pub
- IS 'public key of the purse that the contract is associated with';
-COMMENT ON COLUMN contracts.contract_sig
- IS 'signature over the encrypted contract by the purse contract key';
-COMMENT ON COLUMN contracts.pub_ckey
- IS 'Public ECDH key used to encrypt the contract, to be used with the purse private key for decryption';
-COMMENT ON COLUMN contracts.e_contract
- IS 'AES-GCM encrypted contract terms (contains gzip compressed JSON after decryption)';
-
-CREATE TABLE IF NOT EXISTS contracts_default
- PARTITION OF contracts
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_contracts_partition('default');
-
-
--- ------------------------------ history_requests ----------------------------------------
-
-SELECT create_table_history_requests();
-
-COMMENT ON TABLE history_requests
- IS 'Paid history requests issued by a client against a reserve';
-COMMENT ON COLUMN history_requests.request_timestamp
- IS 'When was the history request made';
-COMMENT ON COLUMN history_requests.reserve_sig
- IS 'Signature approving payment for the history request';
-COMMENT ON COLUMN history_requests.history_fee_val
- IS 'History fee approved by the signature';
-
-CREATE TABLE IF NOT EXISTS history_requests_default
- PARTITION OF history_requests
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
--- ------------------------------ close_requests ----------------------------------------
-
-SELECT create_table_close_requests();
-
-COMMENT ON TABLE close_requests
- IS 'Explicit requests by a reserve owner to close a reserve immediately';
-COMMENT ON COLUMN close_requests.close_timestamp
- IS 'When the request was created by the client';
-COMMENT ON COLUMN close_requests.reserve_sig
- IS 'Signature affirming that the reserve is to be closed';
-COMMENT ON COLUMN close_requests.close_val
- IS 'Balance of the reserve at the time of closing, to be wired to the associated bank account (minus the closing fee)';
-
-CREATE TABLE IF NOT EXISTS close_requests_default
- PARTITION OF close_requests
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-
--- ------------------------------ purse_deposits ----------------------------------------
-
-SELECT create_table_purse_deposits();
-
-COMMENT ON TABLE purse_deposits
- IS 'Requests depositing coins into a purse';
-COMMENT ON COLUMN purse_deposits.partner_serial_id
- IS 'identifies the partner exchange, NULL in case the target purse lives at this exchange';
-COMMENT ON COLUMN purse_deposits.purse_pub
- IS 'Public key of the purse';
-COMMENT ON COLUMN purse_deposits.coin_pub
- IS 'Public key of the coin being deposited';
-COMMENT ON COLUMN purse_deposits.amount_with_fee_val
- IS 'Total amount being deposited';
-COMMENT ON COLUMN purse_deposits.coin_sig
- IS 'Signature of the coin affirming the deposit into the purse, of type TALER_SIGNATURE_PURSE_DEPOSIT';
-
-CREATE TABLE IF NOT EXISTS purse_deposits_default
- PARTITION OF purse_deposits
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_purse_deposits_partition('default');
-
-
--- ------------------------------ wads_out ----------------------------------------
-
-SELECT create_table_wads_out();
-
-COMMENT ON TABLE wads_out
- IS 'Wire transfers made to another exchange to transfer purse funds';
-COMMENT ON COLUMN wads_out.wad_id
- IS 'Unique identifier of the wad, part of the wire transfer subject';
-COMMENT ON COLUMN wads_out.partner_serial_id
- IS 'target exchange of the wad';
-COMMENT ON COLUMN wads_out.amount_val
- IS 'Amount that was wired';
-COMMENT ON COLUMN wads_out.execution_time
- IS 'Time when the wire transfer was scheduled';
-
-CREATE TABLE IF NOT EXISTS wads_out_default
- PARTITION OF wads_out
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_wads_out_partition('default');
-
-
--- ------------------------------ wads_out_entries ----------------------------------------
-
-SELECT create_table_wad_out_entries();
-
-COMMENT ON TABLE wad_out_entries
- IS 'Purses combined into a wad';
-COMMENT ON COLUMN wad_out_entries.wad_out_serial_id
- IS 'Wad the purse was part of';
-COMMENT ON COLUMN wad_out_entries.reserve_pub
- IS 'Target reserve for the purse';
-COMMENT ON COLUMN wad_out_entries.purse_pub
- IS 'Public key of the purse';
-COMMENT ON COLUMN wad_out_entries.h_contract
- IS 'Hash of the contract associated with the purse';
-COMMENT ON COLUMN wad_out_entries.purse_expiration
- IS 'Time when the purse expires';
-COMMENT ON COLUMN wad_out_entries.merge_timestamp
- IS 'Time when the merge was approved';
-COMMENT ON COLUMN wad_out_entries.amount_with_fee_val
- IS 'Total amount in the purse';
-COMMENT ON COLUMN wad_out_entries.wad_fee_val
- IS 'Wat fee charged to the purse';
-COMMENT ON COLUMN wad_out_entries.deposit_fees_val
- IS 'Total deposit fees charged to the purse';
-COMMENT ON COLUMN wad_out_entries.reserve_sig
- IS 'Signature by the receiving reserve, of purpose TALER_SIGNATURE_ACCOUNT_MERGE';
-COMMENT ON COLUMN wad_out_entries.purse_sig
- IS 'Signature by the purse of purpose TALER_SIGNATURE_PURSE_MERGE';
-
-CREATE TABLE IF NOT EXISTS wad_out_entries_default
- PARTITION OF wad_out_entries
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_wad_out_entries_partition('default');
-
--- ------------------------------ wads_in ----------------------------------------
-
-SELECT create_table_wads_in();
-
-COMMENT ON TABLE wads_in
- IS 'Incoming exchange-to-exchange wad wire transfers';
-COMMENT ON COLUMN wads_in.wad_id
- IS 'Unique identifier of the wad, part of the wire transfer subject';
-COMMENT ON COLUMN wads_in.origin_exchange_url
- IS 'Base URL of the originating URL, also part of the wire transfer subject';
-COMMENT ON COLUMN wads_in.amount_val
- IS 'Actual amount that was received by our exchange';
-COMMENT ON COLUMN wads_in.arrival_time
- IS 'Time when the wad was received';
-
-CREATE TABLE IF NOT EXISTS wads_in_default
- PARTITION OF wads_in
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_wads_in_partition('default');
-
-
--- ------------------------------ wads_in_entries ----------------------------------------
-
-SELECT create_table_wad_in_entries();
-
-COMMENT ON TABLE wad_in_entries
- IS 'list of purses aggregated in a wad according to the sending exchange';
-COMMENT ON COLUMN wad_in_entries.wad_in_serial_id
- IS 'wad for which the given purse was included in the aggregation';
-COMMENT ON COLUMN wad_in_entries.reserve_pub
- IS 'target account of the purse (must be at the local exchange)';
-COMMENT ON COLUMN wad_in_entries.purse_pub
- IS 'public key of the purse that was merged';
-COMMENT ON COLUMN wad_in_entries.h_contract
- IS 'hash of the contract terms of the purse';
-COMMENT ON COLUMN wad_in_entries.purse_expiration
- IS 'Time when the purse was set to expire';
-COMMENT ON COLUMN wad_in_entries.merge_timestamp
- IS 'Time when the merge was approved';
-COMMENT ON COLUMN wad_in_entries.amount_with_fee_val
- IS 'Total amount in the purse';
-COMMENT ON COLUMN wad_in_entries.wad_fee_val
- IS 'Total wad fees paid by the purse';
-COMMENT ON COLUMN wad_in_entries.deposit_fees_val
- IS 'Total deposit fees paid when depositing coins into the purse';
-COMMENT ON COLUMN wad_in_entries.reserve_sig
- IS 'Signature by the receiving reserve, of purpose TALER_SIGNATURE_ACCOUNT_MERGE';
-COMMENT ON COLUMN wad_in_entries.purse_sig
- IS 'Signature by the purse of purpose TALER_SIGNATURE_PURSE_MERGE';
-
-CREATE TABLE IF NOT EXISTS wad_in_entries_default
- PARTITION OF wad_in_entries
- FOR VALUES WITH (MODULUS 1, REMAINDER 0);
-
-SELECT add_constraints_to_wad_in_entries_partition('default');
-
-
--- ------------------------------ partner_accounts ----------------------------------------
-
-CREATE TABLE IF NOT EXISTS partner_accounts
- (payto_uri VARCHAR PRIMARY KEY
- ,partner_serial_id INT8 REFERENCES partners(partner_serial_id) ON DELETE CASCADE
- ,partner_master_sig BYTEA CHECK (LENGTH(partner_master_sig)=64)
- ,last_seen INT8 NOT NULL
- );
-CREATE INDEX IF NOT EXISTS partner_accounts_index_by_partner_and_time
- ON partner_accounts (partner_serial_id,last_seen);
-COMMENT ON TABLE partner_accounts
- IS 'Table with bank accounts of the partner exchange. Entries never expire as we need to remember the signature for the auditor.';
-COMMENT ON COLUMN partner_accounts.payto_uri
- IS 'payto URI (RFC 8905) with the bank account of the partner exchange.';
-COMMENT ON COLUMN partner_accounts.partner_master_sig
- IS 'Signature of purpose TALER_SIGNATURE_MASTER_WIRE_DETAILS by the partner master public key';
-COMMENT ON COLUMN partner_accounts.last_seen
- IS 'Last time we saw this account as being active at the partner exchange. Used to select the most recent entry, and to detect when we should check again.';
-
-
------------------------ router helper table (not synchronzied) ------------------------
-
-CREATE TABLE IF NOT EXISTS purse_actions
- (purse_pub BYTEA NOT NULL PRIMARY KEY CHECK(LENGTH(purse_pub)=32)
- ,action_date INT8 NOT NULL
- ,partner_serial_id INT8
- );
-COMMENT ON TABLE purse_actions
- IS 'purses awaiting some action by the router';
-COMMENT ON COLUMN purse_actions.purse_pub
- IS 'public (contract) key of the purse';
-COMMENT ON COLUMN purse_actions.action_date
- IS 'when is the purse ready for action';
-COMMENT ON COLUMN purse_actions.partner_serial_id
- IS 'wad target of an outgoing wire transfer, 0 for local, NULL if the purse is unmerged and thus the target is still unknown';
-
-CREATE INDEX IF NOT EXISTS purse_action_by_target
- ON purse_actions
- (partner_serial_id,action_date);
-
-
-CREATE OR REPLACE FUNCTION purse_requests_insert_trigger()
- RETURNS trigger
- LANGUAGE plpgsql
- AS $$
-BEGIN
- ASSERT NOT NEW.finished,'Internal invariant violated';
- INSERT INTO
- purse_actions
- (purse_pub
- ,action_date)
- VALUES
- (NEW.purse_pub
- ,NEW.purse_expiration);
- RETURN NEW;
-END $$;
-COMMENT ON FUNCTION purse_requests_insert_trigger()
- IS 'When a purse is created, insert it into the purse_action table to take action when the purse expires.';
-
-CREATE TRIGGER purse_requests_on_insert
- AFTER INSERT
- ON purse_requests
- FOR EACH ROW EXECUTE FUNCTION purse_requests_insert_trigger();
-COMMENT ON TRIGGER purse_requests_on_insert
- ON purse_requests
- IS 'Here we install an entry for the purse expiration.';
-
-
-CREATE OR REPLACE FUNCTION purse_requests_on_update_trigger()
- RETURNS trigger
- LANGUAGE plpgsql
- AS $$
-BEGIN
- IF (NEW.finished AND NOT OLD.finished)
- THEN
- -- If this purse counted against the reserve's
- -- quota of purses, decrement the reserve accounting.
- IF (NEW.in_reserve_quota)
- THEN
- UPDATE reserves
- SET purses_active=purses_active-1
- WHERE reserve_pub IN
- (SELECT reserve_pub
- FROM exchange.purse_merges
- WHERE purse_pub=NEW.purse_pub
- LIMIT 1);
- NEW.in_reserve_quota=FALSE;
- END IF;
- -- Delete from the purse_actions table, we are done
- -- with this purse for good.
- DELETE FROM exchange.purse_actions
- WHERE purse_pub=NEW.purse_pub;
- RETURN NEW;
- END IF;
-
- RETURN NEW;
-END $$;
-
-COMMENT ON FUNCTION purse_requests_on_update_trigger()
- IS 'Trigger the router if the purse is ready. Also removes the entry from the router watchlist once the purse is finished.';
-
-CREATE TRIGGER purse_requests_on_update
- BEFORE UPDATE
- ON purse_requests
- FOR EACH ROW EXECUTE FUNCTION purse_requests_on_update_trigger();
-COMMENT ON TRIGGER purse_requests_on_update
- ON purse_requests
- IS 'This covers the case where a deposit is made into a purse, which inherently then changes the purse balance via an UPDATE. If the merge is already present and the balance matches the total, we trigger the router. Once the router sets the purse to finished, the trigger will remove the purse from the watchlist of the router.';