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_update_initial_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("0.00100000", BTC)

        # Act
        account.update_initial_margin(margin)

        # Assert
        self.assertEqual(margin, account.initial_margin(BTC))
        self.assertEqual({BTC: margin}, account.initial_margins())
    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_initial_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(0.00100000, BTC)

        # Act
        account.update_initial_margin(margin)

        # Assert
        self.assertEqual(margin, account.initial_margin(BTC))
        self.assertEqual({BTC: margin}, account.initial_margins())
    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)