def test_unrealized_pnl_with_single_asset_account_when_no_open_positions_returns_zero(
        self, ):
        # Arrange
        event = AccountState(
            account_id=AccountId("SIM", "001"),
            account_type=AccountType.CASH,
            base_currency=USD,
            reported=True,
            balances=[
                AccountBalance(
                    USD,
                    Money(1_000_000, USD),
                    Money(0, USD),
                    Money(1_000_000, USD),
                ),
            ],
            info={},
            event_id=uuid4(),
            ts_updated_ns=0,
            timestamp_ns=0,
        )

        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Act
        result = account.unrealized_pnl()

        # Assert
        self.assertEqual(Money(0, USD), result)
    def test_equity_with_single_asset_account_returns_expected_money(self):
        # Arrange
        event = AccountState(
            account_id=AccountId("SIM", "001"),
            account_type=AccountType.CASH,
            base_currency=USD,
            reported=True,
            balances=[
                AccountBalance(
                    USD,
                    Money(100000.00, USD),
                    Money(0.00, USD),
                    Money(100000.00, USD),
                ),
            ],
            info={},
            event_id=uuid4(),
            ts_updated_ns=0,
            timestamp_ns=0,
        )

        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Act
        result = account.equity()

        # Assert
        self.assertEqual(Money(100000.00, USD), result)
    def test_margin_available_for_multi_asset_account(self):
        # Arrange
        event = AccountState(
            AccountId("SIM", "001"),
            [Money("10.00000000", BTC),
             Money("20.00000000", ETH)],
            [Money("10.00000000", BTC),
             Money("20.00000000", ETH)],
            [Money("0.00000000", BTC),
             Money("0.00000000", ETH)],
            info={},  # No default currency set
            event_id=uuid4(),
            event_timestamp=UNIX_EPOCH,
        )

        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Act
        result1 = account.margin_available(BTC)
        account.update_initial_margin(Money("0.00010000", BTC))
        result2 = account.margin_available(BTC)
        account.update_maint_margin(Money("0.00020000", BTC))
        result3 = account.margin_available(BTC)
        result4 = account.margin_available(ETH)

        # Assert
        self.assertEqual(Money("10.00000000", BTC), result1)
        self.assertEqual(Money("9.99990000", BTC), result2)
        self.assertEqual(Money("9.99970000", BTC), result3)
        self.assertEqual(Money("20.00000000", ETH), result4)
    def test_margin_available_for_single_asset_account(self):
        # Arrange
        event = AccountState(
            AccountId("SIM", "001"),
            [Money("100000.00", USD)],
            [Money("0.00", USD)],
            [Money("0.00", USD)],
            info={"default_currency": "USD"},  # No default currency set
            event_id=uuid4(),
            event_timestamp=UNIX_EPOCH,
        )

        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Act
        result1 = account.margin_available()
        account.update_initial_margin(Money("500.00", USD))
        result2 = account.margin_available()
        account.update_maint_margin(Money("1000.00", USD))
        result3 = account.margin_available()

        # Assert
        self.assertEqual(Money("100000.00", USD), result1)
        self.assertEqual(Money("99500.00", USD), result2)
        self.assertEqual(Money("98500.00", USD), result3)
    def test_instantiated_accounts_basic_properties(self):
        # Arrange
        event = AccountState(
            AccountId("SIM", "001"),
            [Money(1_000_000, USD)],
            [Money(1_000_000, USD)],
            [Money(0, USD)],
            info={"default_currency": "USD"},  # Set the default currency
            event_id=uuid4(),
            event_timestamp=UNIX_EPOCH,
        )

        # Act
        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Assert
        self.assertEqual(AccountId("SIM", "001"), account.id)
        self.assertEqual("Account(id=SIM-001)", str(account))
        self.assertEqual("Account(id=SIM-001)", repr(account))
        self.assertEqual(int, type(hash(account)))
        self.assertTrue(account == account)
        self.assertFalse(account != account)
    def test_update_maint_margin(self):
        # Arrange
        event = AccountState(
            AccountId("SIM", "001"),
            [Money("10.00000000", BTC),
             Money("20.00000000", ETH)],
            [Money("10.00000000", BTC),
             Money("20.00000000", ETH)],
            [Money("0.00000000", BTC),
             Money("0.00000000", ETH)],
            info={},  # No default currency set
            event_id=uuid4(),
            event_timestamp=UNIX_EPOCH,
        )

        # Act
        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        margin = Money("0.00050000", BTC)

        # Act
        account.update_maint_margin(margin)

        # Assert
        self.assertEqual(margin, account.maint_margin(BTC))
        self.assertEqual({BTC: margin}, account.maint_margins())
    def test_unrealized_pnl_with_multi_asset_account_when_no_open_positions_returns_zero(
            self):
        # Arrange
        event = AccountState(
            AccountId("SIM", "001"),
            [Money("10.00000000", BTC),
             Money("20.00000000", ETH)],
            [Money("10.00000000", BTC),
             Money("20.00000000", ETH)],
            [Money("0.00000000", BTC),
             Money("0.00000000", ETH)],
            info={},  # No default currency set
            event_id=uuid4(),
            event_timestamp=UNIX_EPOCH,
        )

        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Act
        result = account.unrealized_pnl(BTC)

        # Assert
        self.assertEqual(result, Money("0.00000000", BTC))
    def test_equity_with_multi_asset_account_returns_expected_money(self):
        # Arrange
        event = AccountState(
            AccountId("SIM", "001"),
            [Money("10.00000000", BTC),
             Money("20.00000000", ETH)],
            [Money("10.00000000", BTC),
             Money("20.00000000", ETH)],
            [Money("0.00000000", BTC),
             Money("0.00000000", ETH)],
            info={},  # No default currency set
            event_id=uuid4(),
            event_timestamp=UNIX_EPOCH,
        )

        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Act
        result = account.equity(BTC)

        # Assert
        self.assertEqual(Money("10.00000000", BTC), result)
    def test_instantiated_accounts_basic_properties(self):
        # Arrange
        event = AccountState(
            account_id=AccountId("SIM", "001"),
            account_type=AccountType.CASH,
            base_currency=USD,
            reported=True,
            balances=[
                AccountBalance(
                    USD,
                    Money(1_000_000, USD),
                    Money(0, USD),
                    Money(1_000_000, USD),
                ),
            ],
            info={},
            event_id=uuid4(),
            ts_updated_ns=0,
            timestamp_ns=0,
        )

        # Act
        account = Account(event)

        # Prepare components
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Assert
        self.assertEqual(AccountId("SIM", "001"), account.id)
        self.assertEqual("Account(id=SIM-001)", str(account))
        self.assertEqual("Account(id=SIM-001)", repr(account))
        self.assertEqual(int, type(hash(account)))
        self.assertTrue(account == account)
        self.assertFalse(account != account)
    def test_instantiate_multi_asset_account(self):
        # Arrange
        event = AccountState(
            AccountId("SIM", "001"),
            [Money("10.00000000", BTC),
             Money("20.00000000", ETH)],
            [Money("10.00000000", BTC),
             Money("20.00000000", ETH)],
            [Money("0.00000000", BTC),
             Money("0.00000000", ETH)],
            info={},  # No default currency set
            event_id=uuid4(),
            event_timestamp=UNIX_EPOCH,
        )

        # Act
        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Assert
        self.assertEqual(AccountId("SIM", "001"), account.id)
        self.assertEqual(None, account.default_currency)
        self.assertEqual(event, account.last_event)
        self.assertEqual([event], account.events)
        self.assertEqual(1, account.event_count)
        self.assertEqual(Money("10.00000000", BTC), account.balance(BTC))
        self.assertEqual(Money("20.00000000", ETH), account.balance(ETH))
        self.assertEqual(Money("10.00000000", BTC), account.balance_free(BTC))
        self.assertEqual(Money("20.00000000", ETH), account.balance_free(ETH))
        self.assertEqual(Money("0.00000000", BTC), account.balance_locked(BTC))
        self.assertEqual(Money("0.00000000", ETH), account.balance_locked(ETH))
        self.assertEqual(
            {
                BTC: Money("10.00000000", BTC),
                ETH: Money("20.00000000", ETH)
            }, account.balances())
        self.assertEqual(
            {
                BTC: Money("10.00000000", BTC),
                ETH: Money("20.00000000", ETH)
            }, account.balances_free())
        self.assertEqual(
            {
                BTC: Money("0.00000000", BTC),
                ETH: Money("0.00000000", ETH)
            }, account.balances_locked())
        self.assertEqual(Money("0.00000000", BTC), account.unrealized_pnl(BTC))
        self.assertEqual(Money("0.00000000", ETH), account.unrealized_pnl(ETH))
        self.assertEqual(Money("10.00000000", BTC), account.equity(BTC))
        self.assertEqual(Money("20.00000000", ETH), account.equity(ETH))
        self.assertEqual({}, account.init_margins())
        self.assertEqual({}, account.maint_margins())
        self.assertEqual(None, account.init_margin(BTC))
        self.assertEqual(None, account.init_margin(ETH))
        self.assertEqual(None, account.maint_margin(BTC))
        self.assertEqual(None, account.maint_margin(ETH))
    def test_apply_given_new_state_event_updates_correctly(self):
        # Arrange
        event1 = AccountState(
            AccountId("SIM", "001"),
            [Money("10.00000000", BTC),
             Money("20.00000000", ETH)],
            [Money("10.00000000", BTC),
             Money("20.00000000", ETH)],
            [Money("0.00000000", BTC),
             Money("0.00000000", ETH)],
            info={},  # No default currency set
            event_id=uuid4(),
            event_timestamp=UNIX_EPOCH,
        )

        # Act
        account = Account(event1)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        event2 = AccountState(
            AccountId("SIM", "001"),
            [Money("9.00000000", BTC),
             Money("20.00000000", ETH)],
            [Money("8.50000000", BTC),
             Money("20.00000000", ETH)],
            [Money("0.50000000", BTC),
             Money("0.00000000", ETH)],
            info={},  # No default currency set
            event_id=uuid4(),
            event_timestamp=UNIX_EPOCH,
        )

        # Act
        account.apply(event2)

        # Assert
        self.assertEqual(event2, account.last_event)
        self.assertEqual([event1, event2], account.events)
        self.assertEqual(2, account.event_count)
        self.assertEqual(Money("9.00000000", BTC), account.balance(BTC))
        self.assertEqual(Money("8.50000000", BTC), account.balance_free(BTC))
        self.assertEqual(Money("0.50000000", BTC), account.balance_locked(BTC))
        self.assertEqual(Money("20.00000000", ETH), account.balance(ETH))
        self.assertEqual(Money("20.00000000", ETH), account.balance_free(ETH))
        self.assertEqual(Money("0.00000000", ETH), account.balance_locked(ETH))
    def test_instantiate_single_asset_account(self):
        # Arrange
        event = AccountState(
            account_id=AccountId("SIM", "001"),
            account_type=AccountType.CASH,
            base_currency=USD,
            reported=True,
            balances=[
                AccountBalance(
                    USD,
                    Money(1_000_000, USD),
                    Money(0, USD),
                    Money(1_000_000, USD),
                ),
            ],
            info={},
            event_id=uuid4(),
            ts_updated_ns=0,
            timestamp_ns=0,
        )

        # Act
        account = Account(event)

        # Prepare components
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Assert
        self.assertEqual(USD, account.base_currency)
        self.assertEqual(event, account.last_event)
        self.assertEqual([event], account.events)
        self.assertEqual(1, account.event_count)
        self.assertEqual(Money(1_000_000, USD), account.balance_total())
        self.assertEqual(Money(1_000_000, USD), account.balance_free())
        self.assertEqual(Money(0, USD), account.balance_locked())
        self.assertEqual({USD: Money(1_000_000, USD)},
                         account.balances_total())
        self.assertEqual({USD: Money(1_000_000, USD)}, account.balances_free())
        self.assertEqual({USD: Money(0, USD)}, account.balances_locked())
        self.assertEqual(Money(0, USD), account.unrealized_pnl())
        self.assertEqual(Money(1_000_000, USD), account.equity())
        self.assertEqual({}, account.initial_margins())
        self.assertEqual({}, account.maint_margins())
        self.assertEqual(None, account.initial_margin())
        self.assertEqual(None, account.maint_margin())
    def test_margin_available_for_multi_asset_account(self):
        # Arrange
        event = AccountState(
            account_id=AccountId("SIM", "001"),
            account_type=AccountType.CASH,
            base_currency=None,  # Multi-currency
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},  # No default currency set
            event_id=uuid4(),
            ts_updated_ns=0,
            timestamp_ns=0,
        )

        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Act
        result1 = account.margin_available(BTC)
        account.update_initial_margin(Money(0.00010000, BTC))
        result2 = account.margin_available(BTC)
        account.update_maint_margin(Money(0.00020000, BTC))
        result3 = account.margin_available(BTC)
        result4 = account.margin_available(ETH)

        # Assert
        self.assertEqual(Money(10.00000000, BTC), result1)
        self.assertEqual(Money(9.99990000, BTC), result2)
        self.assertEqual(Money(9.99970000, BTC), result3)
        self.assertEqual(Money(20.00000000, ETH), result4)
    def test_update_maint_margin(self):
        # Arrange
        event = AccountState(
            account_id=AccountId("SIM", "001"),
            account_type=AccountType.CASH,
            base_currency=None,  # Multi-currency
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},  # No default currency set
            event_id=uuid4(),
            ts_updated_ns=0,
            timestamp_ns=0,
        )

        # Act
        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        margin = Money(0.00050000, BTC)

        # Act
        account.update_maint_margin(margin)

        # Assert
        self.assertEqual(margin, account.maint_margin(BTC))
        self.assertEqual({BTC: margin}, account.maint_margins())
    def test_unrealized_pnl_with_multi_asset_account_when_no_open_positions_returns_zero(
        self,
    ):
        # Arrange
        event = AccountState(
            account_id=AccountId("SIM", "001"),
            account_type=AccountType.CASH,
            base_currency=None,  # Multi-currency
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},  # No default currency set
            event_id=uuid4(),
            updated_ns=0,
            timestamp_ns=0,
        )

        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Act
        result = account.unrealized_pnl(BTC)

        # Assert
        self.assertEqual(Money(0.00000000, BTC), result)
    def test_margin_available_for_single_asset_account(self):
        # Arrange
        event = AccountState(
            account_id=AccountId("SIM", "001"),
            account_type=AccountType.CASH,
            base_currency=USD,
            reported=True,
            balances=[
                AccountBalance(
                    USD,
                    Money(100000.00, USD),
                    Money(0.00, USD),
                    Money(100000.00, USD),
                ),
            ],
            info={},
            event_id=uuid4(),
            ts_updated_ns=0,
            timestamp_ns=0,
        )

        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Act
        result1 = account.margin_available()
        account.update_initial_margin(Money(500.00, USD))
        result2 = account.margin_available()
        account.update_maint_margin(Money(1000.00, USD))
        result3 = account.margin_available()

        # Assert
        self.assertEqual(Money(100000.00, USD), result1)
        self.assertEqual(Money(99500.00, USD), result2)
        self.assertEqual(Money(98500.00, USD), result3)
    def test_equity_with_single_asset_account_returns_expected_money(self):
        # Arrange
        event = AccountState(
            AccountId("SIM", "001"),
            [Money("100000.00", USD)],
            [Money("0.00", USD)],
            [Money("0.00", USD)],
            info={"default_currency": "USD"},  # No default currency set
            event_id=uuid4(),
            timestamp_ns=0,
        )

        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Act
        result = account.equity()

        # Assert
        self.assertEqual(Money("100000.00", USD), result)
    def test_unrealized_pnl_with_single_asset_account_when_no_open_positions_returns_zero(self):
        # Arrange
        event = AccountState(
            AccountId("SIM", "001"),
            balances=[Money(1_000_000, USD)],
            balances_free=[Money(1_000_000, USD)],
            balances_locked=[Money(0, USD)],
            info={"default_currency": "USD"},  # No default currency set
            event_id=uuid4(),
            event_timestamp=UNIX_EPOCH,
        )

        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Act
        result = account.unrealized_pnl()

        # Assert
        self.assertEqual(Money(0, USD), result)
    def test_equity_with_single_asset_account_no_default_returns_none(self):
        # Arrange
        event = AccountState(
            AccountId("SIM", "001"),
            [Money("100000.00", USD)],
            [Money("0.00", USD)],
            [Money("0.00", USD)],
            info={},  # No default currency set
            event_id=uuid4(),
            event_timestamp=UNIX_EPOCH,
        )

        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Act
        result = account.equity(BTC)

        # Assert
        self.assertIsNone(result)
    def test_instantiate_single_asset_account(self):
        # Arrange
        event = AccountState(
            AccountId("SIM", "001"),
            [Money(1_000_000, USD)],
            [Money(1_000_000, USD)],
            [Money(0, USD)],
            info={"default_currency": "USD"},  # Set the default currency
            event_id=uuid4(),
            event_timestamp=UNIX_EPOCH,
        )

        # Act
        account = Account(event)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Assert
        self.assertEqual(AccountId("SIM", "001"), account.id)
        self.assertEqual(USD, account.default_currency)
        self.assertEqual(event, account.last_event)
        self.assertEqual([event], account.events)
        self.assertEqual(1, account.event_count)
        self.assertEqual(Money(1_000_000, USD), account.balance())
        self.assertEqual(Money(1_000_000, USD), account.balance_free())
        self.assertEqual(Money(0, USD), account.balance_locked())
        self.assertEqual({USD: Money(1_000_000, USD)}, account.balances())
        self.assertEqual({USD: Money(1_000_000, USD)}, account.balances_free())
        self.assertEqual({USD: Money(0, USD)}, account.balances_locked())
        self.assertEqual(Money(0, USD), account.unrealized_pnl())
        self.assertEqual(Money(1_000_000, USD), account.equity())
        self.assertEqual({}, account.init_margins())
        self.assertEqual({}, account.maint_margins())
        self.assertEqual(None, account.init_margin())
        self.assertEqual(None, account.maint_margin())
    def test_instantiate_multi_asset_account(self):
        # Arrange
        event = AccountState(
            account_id=AccountId("SIM", "001"),
            account_type=AccountType.CASH,
            base_currency=None,  # Multi-currency
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},  # No default currency set
            event_id=uuid4(),
            ts_updated_ns=0,
            timestamp_ns=0,
        )

        # Act
        account = Account(event)

        # Prepare components
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        # Assert
        self.assertEqual(AccountId("SIM", "001"), account.id)
        self.assertEqual(None, account.base_currency)
        self.assertEqual(event, account.last_event)
        self.assertEqual([event], account.events)
        self.assertEqual(1, account.event_count)
        self.assertEqual(Money(10.00000000, BTC), account.balance_total(BTC))
        self.assertEqual(Money(20.00000000, ETH), account.balance_total(ETH))
        self.assertEqual(Money(10.00000000, BTC), account.balance_free(BTC))
        self.assertEqual(Money(20.00000000, ETH), account.balance_free(ETH))
        self.assertEqual(Money(0.00000000, BTC), account.balance_locked(BTC))
        self.assertEqual(Money(0.00000000, ETH), account.balance_locked(ETH))
        self.assertEqual(
            {
                BTC: Money(10.00000000, BTC),
                ETH: Money(20.00000000, ETH)
            },
            account.balances_total(),
        )
        self.assertEqual(
            {
                BTC: Money(10.00000000, BTC),
                ETH: Money(20.00000000, ETH)
            },
            account.balances_free(),
        )
        self.assertEqual(
            {
                BTC: Money(0.00000000, BTC),
                ETH: Money(0.00000000, ETH)
            },
            account.balances_locked(),
        )
        self.assertEqual(Money(0.00000000, BTC), account.unrealized_pnl(BTC))
        self.assertEqual(Money(0.00000000, ETH), account.unrealized_pnl(ETH))
        self.assertEqual(Money(10.00000000, BTC), account.equity(BTC))
        self.assertEqual(Money(20.00000000, ETH), account.equity(ETH))
        self.assertEqual({}, account.initial_margins())
        self.assertEqual({}, account.maint_margins())
        self.assertEqual(None, account.initial_margin(BTC))
        self.assertEqual(None, account.initial_margin(ETH))
        self.assertEqual(None, account.maint_margin(BTC))
        self.assertEqual(None, account.maint_margin(ETH))
    def test_apply_given_new_state_event_updates_correctly(self):
        # Arrange
        event1 = AccountState(
            account_id=AccountId("SIM", "001"),
            account_type=AccountType.CASH,
            base_currency=None,  # Multi-currency
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(10.00000000, BTC),
                    Money(0.00000000, BTC),
                    Money(10.00000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},  # No default currency set
            event_id=uuid4(),
            ts_updated_ns=0,
            timestamp_ns=0,
        )

        # Act
        account = Account(event1)

        # Wire up account to portfolio
        account.register_portfolio(self.portfolio)
        self.portfolio.register_account(account)

        event2 = AccountState(
            account_id=AccountId("SIM", "001"),
            account_type=AccountType.CASH,
            base_currency=None,  # Multi-currency
            reported=True,
            balances=[
                AccountBalance(
                    BTC,
                    Money(9.00000000, BTC),
                    Money(0.50000000, BTC),
                    Money(8.50000000, BTC),
                ),
                AccountBalance(
                    ETH,
                    Money(20.00000000, ETH),
                    Money(0.00000000, ETH),
                    Money(20.00000000, ETH),
                ),
            ],
            info={},  # No default currency set
            event_id=uuid4(),
            ts_updated_ns=0,
            timestamp_ns=0,
        )

        # Act
        account.apply(event=event2)

        # Assert
        self.assertEqual(event2, account.last_event)
        self.assertEqual([event1, event2], account.events)
        self.assertEqual(2, account.event_count)
        self.assertEqual(Money(9.00000000, BTC), account.balance_total(BTC))
        self.assertEqual(Money(8.50000000, BTC), account.balance_free(BTC))
        self.assertEqual(Money(0.50000000, BTC), account.balance_locked(BTC))
        self.assertEqual(Money(20.00000000, ETH), account.balance_total(ETH))
        self.assertEqual(Money(20.00000000, ETH), account.balance_free(ETH))
        self.assertEqual(Money(0.00000000, ETH), account.balance_locked(ETH))