nautilus_model/python/instruments/
cfd.rs1use std::{
17 collections::hash_map::DefaultHasher,
18 hash::{Hash, Hasher},
19};
20
21use nautilus_core::{
22 from_pydict,
23 python::{IntoPyObjectNautilusExt, serialization::from_dict_pyo3, to_pyvalue_err},
24};
25use pyo3::{basic::CompareOp, prelude::*, types::PyDict};
26use rust_decimal::Decimal;
27
28use crate::{
29 enums::AssetClass,
30 identifiers::{InstrumentId, Symbol},
31 instruments::Cfd,
32 types::{Currency, Money, Price, Quantity},
33};
34
35#[pymethods]
36impl Cfd {
37 #[allow(clippy::too_many_arguments)]
38 #[new]
39 #[pyo3(signature = (instrument_id, raw_symbol, asset_class, quote_currency, price_precision, size_precision, price_increment, size_increment, ts_event, ts_init, base_currency=None, lot_size=None, max_quantity=None, min_quantity=None, max_notional=None, min_notional=None, max_price=None, min_price=None, margin_init=None, margin_maint=None, maker_fee=None, taker_fee=None, info=None))]
40 fn py_new(
41 instrument_id: InstrumentId,
42 raw_symbol: Symbol,
43 asset_class: AssetClass,
44 quote_currency: Currency,
45 price_precision: u8,
46 size_precision: u8,
47 price_increment: Price,
48 size_increment: Quantity,
49 ts_event: u64,
50 ts_init: u64,
51 base_currency: Option<Currency>,
52 lot_size: Option<Quantity>,
53 max_quantity: Option<Quantity>,
54 min_quantity: Option<Quantity>,
55 max_notional: Option<Money>,
56 min_notional: Option<Money>,
57 max_price: Option<Price>,
58 min_price: Option<Price>,
59 margin_init: Option<Decimal>,
60 margin_maint: Option<Decimal>,
61 maker_fee: Option<Decimal>,
62 taker_fee: Option<Decimal>,
63 info: Option<Py<PyDict>>,
64 ) -> PyResult<Self> {
65 let info_map = if let Some(info_dict) = info {
66 Python::attach(|py| from_pydict(py, info_dict))?
67 } else {
68 None
69 };
70
71 Self::new_checked(
72 instrument_id,
73 raw_symbol,
74 asset_class,
75 base_currency,
76 quote_currency,
77 price_precision,
78 size_precision,
79 price_increment,
80 size_increment,
81 lot_size,
82 max_quantity,
83 min_quantity,
84 max_notional,
85 min_notional,
86 max_price,
87 min_price,
88 margin_init,
89 margin_maint,
90 maker_fee,
91 taker_fee,
92 info_map,
93 ts_event.into(),
94 ts_init.into(),
95 )
96 .map_err(to_pyvalue_err)
97 }
98
99 fn __richcmp__(&self, other: &Self, op: CompareOp, py: Python<'_>) -> Py<PyAny> {
100 match op {
101 CompareOp::Eq => self.eq(other).into_py_any_unwrap(py),
102 CompareOp::Ne => self.ne(other).into_py_any_unwrap(py),
103 _ => py.NotImplemented(),
104 }
105 }
106
107 fn __hash__(&self) -> isize {
108 let mut hasher = DefaultHasher::new();
109 self.hash(&mut hasher);
110 hasher.finish() as isize
111 }
112
113 #[getter]
114 fn type_str(&self) -> &str {
115 stringify!(Cfd)
116 }
117
118 #[getter]
119 #[pyo3(name = "id")]
120 fn py_id(&self) -> InstrumentId {
121 self.id
122 }
123
124 #[getter]
125 #[pyo3(name = "raw_symbol")]
126 fn py_raw_symbol(&self) -> Symbol {
127 self.raw_symbol
128 }
129
130 #[getter]
131 #[pyo3(name = "asset_class")]
132 fn py_asset_class(&self) -> AssetClass {
133 self.asset_class
134 }
135
136 #[getter]
137 #[pyo3(name = "base_currency")]
138 fn py_base_currency(&self) -> Option<Currency> {
139 self.base_currency
140 }
141
142 #[getter]
143 #[pyo3(name = "quote_currency")]
144 fn py_quote_currency(&self) -> Currency {
145 self.quote_currency
146 }
147
148 #[getter]
149 #[pyo3(name = "price_precision")]
150 fn py_price_precision(&self) -> u8 {
151 self.price_precision
152 }
153
154 #[getter]
155 #[pyo3(name = "size_precision")]
156 fn py_size_precision(&self) -> u8 {
157 self.size_precision
158 }
159
160 #[getter]
161 #[pyo3(name = "price_increment")]
162 fn py_price_increment(&self) -> Price {
163 self.price_increment
164 }
165
166 #[getter]
167 #[pyo3(name = "size_increment")]
168 fn py_size_increment(&self) -> Quantity {
169 self.size_increment
170 }
171
172 #[getter]
173 #[pyo3(name = "lot_size")]
174 fn py_lot_size(&self) -> Option<Quantity> {
175 self.lot_size
176 }
177
178 #[getter]
179 #[pyo3(name = "max_quantity")]
180 fn py_max_quantity(&self) -> Option<Quantity> {
181 self.max_quantity
182 }
183
184 #[getter]
185 #[pyo3(name = "min_quantity")]
186 fn py_min_quantity(&self) -> Option<Quantity> {
187 self.min_quantity
188 }
189
190 #[getter]
191 #[pyo3(name = "max_notional")]
192 fn py_max_notional(&self) -> Option<Money> {
193 self.max_notional
194 }
195
196 #[getter]
197 #[pyo3(name = "min_notional")]
198 fn py_min_notional(&self) -> Option<Money> {
199 self.min_notional
200 }
201
202 #[getter]
203 #[pyo3(name = "max_price")]
204 fn py_max_price(&self) -> Option<Price> {
205 self.max_price
206 }
207
208 #[getter]
209 #[pyo3(name = "min_price")]
210 fn py_min_price(&self) -> Option<Price> {
211 self.min_price
212 }
213
214 #[getter]
215 #[pyo3(name = "margin_init")]
216 fn py_margin_init(&self) -> Decimal {
217 self.margin_init
218 }
219
220 #[getter]
221 #[pyo3(name = "margin_maint")]
222 fn py_margin_maint(&self) -> Decimal {
223 self.margin_maint
224 }
225
226 #[getter]
227 #[pyo3(name = "maker_fee")]
228 fn py_maker_fee(&self) -> Decimal {
229 self.maker_fee
230 }
231
232 #[getter]
233 #[pyo3(name = "taker_fee")]
234 fn py_taker_fee(&self) -> Decimal {
235 self.taker_fee
236 }
237
238 #[getter]
239 #[pyo3(name = "ts_event")]
240 fn py_ts_event(&self) -> u64 {
241 self.ts_event.as_u64()
242 }
243
244 #[getter]
245 #[pyo3(name = "ts_init")]
246 fn py_ts_init(&self) -> u64 {
247 self.ts_init.as_u64()
248 }
249
250 #[getter]
251 #[pyo3(name = "info")]
252 fn py_info(&self, py: Python<'_>) -> PyResult<Py<PyDict>> {
253 if let Some(ref info_map) = self.info {
254 let py_dict = PyDict::new(py);
255 for (key, value) in info_map {
256 let json_str = serde_json::to_string(value).map_err(to_pyvalue_err)?;
257 let py_value =
258 PyModule::import(py, "json")?.call_method("loads", (json_str,), None)?;
259 py_dict.set_item(key, py_value)?;
260 }
261 Ok(py_dict.unbind())
262 } else {
263 Ok(PyDict::new(py).unbind())
264 }
265 }
266
267 #[staticmethod]
268 #[pyo3(name = "from_dict")]
269 fn py_from_dict(py: Python<'_>, values: Py<PyDict>) -> PyResult<Self> {
270 from_dict_pyo3(py, values)
271 }
272
273 #[pyo3(name = "to_dict")]
274 fn py_to_dict(&self, py: Python<'_>) -> PyResult<Py<PyAny>> {
275 let dict = PyDict::new(py);
276 dict.set_item("type", stringify!(Cfd))?;
277 dict.set_item("id", self.id.to_string())?;
278 dict.set_item("raw_symbol", self.raw_symbol.to_string())?;
279 dict.set_item("asset_class", self.asset_class.to_string())?;
280 dict.set_item("quote_currency", self.quote_currency.code.to_string())?;
281 dict.set_item("price_precision", self.price_precision)?;
282 dict.set_item("size_precision", self.size_precision)?;
283 dict.set_item("price_increment", self.price_increment.to_string())?;
284 dict.set_item("size_increment", self.size_increment.to_string())?;
285 dict.set_item("ts_event", self.ts_event.as_u64())?;
286 dict.set_item("ts_init", self.ts_init.as_u64())?;
287
288 if let Some(ref info_map) = self.info {
289 let info_dict = PyDict::new(py);
290 for (key, value) in info_map {
291 let json_str = serde_json::to_string(value).map_err(to_pyvalue_err)?;
292 let py_value =
293 PyModule::import(py, "json")?.call_method("loads", (json_str,), None)?;
294 info_dict.set_item(key, py_value)?;
295 }
296 dict.set_item("info", info_dict)?;
297 } else {
298 dict.set_item("info", PyDict::new(py))?;
299 }
300 dict.set_item("margin_init", self.margin_init.to_string())?;
301 dict.set_item("margin_maint", self.margin_maint.to_string())?;
302 dict.set_item("maker_fee", self.maker_fee.to_string())?;
303 dict.set_item("taker_fee", self.taker_fee.to_string())?;
304 match self.base_currency {
305 Some(value) => dict.set_item("base_currency", value.code.to_string())?,
306 None => dict.set_item("base_currency", py.None())?,
307 }
308 match self.lot_size {
309 Some(value) => dict.set_item("lot_size", value.to_string())?,
310 None => dict.set_item("lot_size", py.None())?,
311 }
312 match self.max_quantity {
313 Some(value) => dict.set_item("max_quantity", value.to_string())?,
314 None => dict.set_item("max_quantity", py.None())?,
315 }
316 match self.min_quantity {
317 Some(value) => dict.set_item("min_quantity", value.to_string())?,
318 None => dict.set_item("min_quantity", py.None())?,
319 }
320 match self.max_notional {
321 Some(value) => dict.set_item("max_notional", value.to_string())?,
322 None => dict.set_item("max_notional", py.None())?,
323 }
324 match self.min_notional {
325 Some(value) => dict.set_item("min_notional", value.to_string())?,
326 None => dict.set_item("min_notional", py.None())?,
327 }
328 match self.max_price {
329 Some(value) => dict.set_item("max_price", value.to_string())?,
330 None => dict.set_item("max_price", py.None())?,
331 }
332 match self.min_price {
333 Some(value) => dict.set_item("min_price", value.to_string())?,
334 None => dict.set_item("min_price", py.None())?,
335 }
336 Ok(dict.into())
337 }
338}