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nautilus_model/python/account/
cash.rs

1// -------------------------------------------------------------------------------------------------
2//  Copyright (C) 2015-2026 Nautech Systems Pty Ltd. All rights reserved.
3//  https://nautechsystems.io
4//
5//  Licensed under the GNU Lesser General Public License Version 3.0 (the "License");
6//  You may not use this file except in compliance with the License.
7//  You may obtain a copy of the License at https://www.gnu.org/licenses/lgpl-3.0.en.html
8//
9//  Unless required by applicable law or agreed to in writing, software
10//  distributed under the License is distributed on an "AS IS" BASIS,
11//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12//  See the License for the specific language governing permissions and
13//  limitations under the License.
14// -------------------------------------------------------------------------------------------------
15
16use indexmap::IndexMap;
17use nautilus_core::{
18    UnixNanos,
19    python::{IntoPyObjectNautilusExt, to_pyruntime_err, to_pyvalue_err},
20};
21use pyo3::{basic::CompareOp, prelude::*, types::PyDict};
22
23use crate::{
24    accounts::{Account, CashAccount},
25    enums::{AccountType, LiquiditySide, OrderSide},
26    events::{AccountState, OrderFilled},
27    identifiers::AccountId,
28    position::Position,
29    python::instruments::pyobject_to_instrument_any,
30    types::{AccountBalance, Currency, Money, Price, Quantity},
31};
32
33#[pymethods]
34#[pyo3_stub_gen::derive::gen_stub_pymethods]
35impl CashAccount {
36    /// Creates a new `CashAccount` instance.
37    #[new]
38    #[pyo3(signature = (event, calculate_account_state, allow_borrowing = false))]
39    #[must_use]
40    pub fn py_new(
41        event: AccountState,
42        calculate_account_state: bool,
43        allow_borrowing: bool,
44    ) -> Self {
45        Self::new(event, calculate_account_state, allow_borrowing)
46    }
47
48    fn __richcmp__(&self, other: &Self, op: CompareOp, py: Python<'_>) -> Py<PyAny> {
49        match op {
50            CompareOp::Eq => self.eq(other).into_py_any_unwrap(py),
51            CompareOp::Ne => self.ne(other).into_py_any_unwrap(py),
52            _ => py.NotImplemented(),
53        }
54    }
55
56    #[getter]
57    fn allow_borrowing(&self) -> bool {
58        self.allow_borrowing
59    }
60
61    fn __repr__(&self) -> String {
62        format!(
63            "{}(id={}, type={}, base={})",
64            stringify!(CashAccount),
65            self.id,
66            self.account_type,
67            self.base_currency.map_or_else(
68                || "None".to_string(),
69                |base_currency| format!("{}", base_currency.code)
70            ),
71        )
72    }
73
74    #[getter]
75    #[pyo3(name = "id")]
76    fn py_id(&self) -> AccountId {
77        self.id
78    }
79
80    #[getter]
81    #[pyo3(name = "account_type")]
82    fn py_account_type(&self) -> AccountType {
83        self.account_type
84    }
85
86    #[getter]
87    #[pyo3(name = "base_currency")]
88    fn py_base_currency(&self) -> Option<Currency> {
89        self.base_currency
90    }
91
92    #[getter]
93    #[pyo3(name = "last_event")]
94    fn py_last_event(&self) -> Option<AccountState> {
95        self.last_event()
96    }
97
98    #[getter]
99    #[pyo3(name = "event_count")]
100    fn py_event_count(&self) -> usize {
101        self.event_count()
102    }
103
104    #[getter]
105    #[pyo3(name = "events")]
106    fn py_events(&self) -> Vec<AccountState> {
107        self.events()
108    }
109
110    #[getter]
111    #[pyo3(name = "calculate_account_state")]
112    fn py_calculate_account_state(&self) -> bool {
113        self.calculate_account_state
114    }
115
116    #[pyo3(name = "balance_total")]
117    #[pyo3(signature = (currency=None))]
118    fn py_balance_total(&self, currency: Option<Currency>) -> Option<Money> {
119        self.balance_total(currency)
120    }
121
122    #[pyo3(name = "balances_total")]
123    fn py_balances_total(&self) -> IndexMap<Currency, Money> {
124        self.balances_total()
125    }
126
127    #[pyo3(name = "balance_free")]
128    #[pyo3(signature = (currency=None))]
129    fn py_balance_free(&self, currency: Option<Currency>) -> Option<Money> {
130        self.balance_free(currency)
131    }
132
133    #[pyo3(name = "balances_free")]
134    fn py_balances_free(&self) -> IndexMap<Currency, Money> {
135        self.balances_free()
136    }
137
138    #[pyo3(name = "balance_locked")]
139    #[pyo3(signature = (currency=None))]
140    fn py_balance_locked(&self, currency: Option<Currency>) -> Option<Money> {
141        self.balance_locked(currency)
142    }
143    #[pyo3(name = "balances_locked")]
144    fn py_balances_locked(&self) -> IndexMap<Currency, Money> {
145        self.balances_locked()
146    }
147
148    #[pyo3(name = "balance")]
149    #[pyo3(signature = (currency=None))]
150    fn py_balance(&self, currency: Option<Currency>) -> Option<AccountBalance> {
151        Account::balance(self, currency).copied()
152    }
153
154    #[pyo3(name = "balances")]
155    fn py_balances(&self) -> IndexMap<Currency, AccountBalance> {
156        Account::balances(self)
157    }
158
159    #[pyo3(name = "starting_balances")]
160    fn py_starting_balances(&self) -> IndexMap<Currency, Money> {
161        Account::starting_balances(self)
162    }
163
164    #[pyo3(name = "currencies")]
165    fn py_currencies(&self) -> Vec<Currency> {
166        Account::currencies(self)
167    }
168
169    #[pyo3(name = "is_cash_account")]
170    fn py_is_cash_account(&self) -> bool {
171        Account::is_cash_account(self)
172    }
173
174    #[pyo3(name = "is_margin_account")]
175    fn py_is_margin_account(&self) -> bool {
176        Account::is_margin_account(self)
177    }
178
179    #[pyo3(name = "purge_account_events")]
180    fn py_purge_account_events(&mut self, ts_now: u64, lookback_secs: u64) {
181        Account::purge_account_events(self, UnixNanos::from(ts_now), lookback_secs);
182    }
183
184    #[pyo3(name = "apply")]
185    fn py_apply(&mut self, event: AccountState) -> PyResult<()> {
186        self.apply(event).map_err(to_pyruntime_err)
187    }
188
189    #[pyo3(name = "calculate_balance_locked")]
190    #[pyo3(signature = (instrument, side, quantity, price, use_quote_for_inverse=None))]
191    fn py_calculate_balance_locked(
192        &mut self,
193        instrument: Py<PyAny>,
194        side: OrderSide,
195        quantity: Quantity,
196        price: Price,
197        use_quote_for_inverse: Option<bool>,
198        py: Python,
199    ) -> PyResult<Money> {
200        let instrument = pyobject_to_instrument_any(py, instrument)?;
201        self.calculate_balance_locked(&instrument, side, quantity, price, use_quote_for_inverse)
202            .map_err(to_pyvalue_err)
203    }
204
205    #[pyo3(name = "calculate_commission")]
206    #[pyo3(signature = (instrument, last_qty, last_px, liquidity_side, use_quote_for_inverse=None))]
207    fn py_calculate_commission(
208        &self,
209        instrument: Py<PyAny>,
210        last_qty: Quantity,
211        last_px: Price,
212        liquidity_side: LiquiditySide,
213        use_quote_for_inverse: Option<bool>,
214        py: Python,
215    ) -> PyResult<Money> {
216        if liquidity_side == LiquiditySide::NoLiquiditySide {
217            return Err(to_pyvalue_err("Invalid liquidity side"));
218        }
219        let instrument = pyobject_to_instrument_any(py, instrument)?;
220        self.calculate_commission(
221            &instrument,
222            last_qty,
223            last_px,
224            liquidity_side,
225            use_quote_for_inverse,
226        )
227        .map_err(to_pyvalue_err)
228    }
229
230    #[pyo3(name = "calculate_pnls")]
231    #[pyo3(signature = (instrument, fill, position=None))]
232    fn py_calculate_pnls(
233        &self,
234        instrument: Py<PyAny>,
235        fill: OrderFilled,
236        position: Option<Position>,
237        py: Python,
238    ) -> PyResult<Vec<Money>> {
239        let instrument = pyobject_to_instrument_any(py, instrument)?;
240        self.calculate_pnls(&instrument, &fill, position)
241            .map_err(to_pyvalue_err)
242    }
243
244    #[pyo3(name = "to_dict")]
245    fn py_to_dict(&self, py: Python<'_>) -> PyResult<Py<PyAny>> {
246        let dict = PyDict::new(py);
247        dict.set_item("calculate_account_state", self.calculate_account_state)?;
248        let events_list: PyResult<Vec<Py<PyAny>>> =
249            self.events.iter().map(|item| item.py_to_dict(py)).collect();
250        dict.set_item("events", events_list.unwrap())?;
251        Ok(dict.into())
252    }
253}