nautilus_betfair/
factories.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
16//! Factory functions for creating Betfair clients and components.
17
18use std::{cell::RefCell, rc::Rc};
19
20use nautilus_common::{
21    cache::Cache,
22    clients::{DataClient, ExecutionClient},
23    clock::Clock,
24    factories::{ClientConfig, DataClientFactory, ExecutionClientFactory},
25};
26use nautilus_live::ExecutionClientCore;
27use nautilus_model::{
28    enums::{AccountType, OmsType},
29    identifiers::ClientId,
30};
31
32use crate::{
33    common::consts::{BETFAIR, BETFAIR_VENUE},
34    config::{BetfairDataConfig, BetfairExecConfig},
35    data::BetfairDataClient,
36    execution::BetfairExecutionClient,
37    http::client::BetfairHttpClient,
38};
39
40/// Factory for creating Betfair data clients.
41#[derive(Debug, Clone)]
42#[cfg_attr(
43    feature = "python",
44    pyo3::pyclass(module = "nautilus_trader.core.nautilus_pyo3.betfair", from_py_object)
45)]
46#[cfg_attr(
47    feature = "python",
48    pyo3_stub_gen::derive::gen_stub_pyclass(module = "nautilus_trader.betfair")
49)]
50pub struct BetfairDataClientFactory;
51
52impl BetfairDataClientFactory {
53    /// Creates a new [`BetfairDataClientFactory`] instance.
54    #[must_use]
55    pub const fn new() -> Self {
56        Self
57    }
58}
59
60impl Default for BetfairDataClientFactory {
61    fn default() -> Self {
62        Self::new()
63    }
64}
65
66impl DataClientFactory for BetfairDataClientFactory {
67    fn create(
68        &self,
69        name: &str,
70        config: &dyn ClientConfig,
71        _cache: Rc<RefCell<Cache>>,
72        _clock: Rc<RefCell<dyn Clock>>,
73    ) -> anyhow::Result<Box<dyn DataClient>> {
74        let betfair_config = config
75            .as_any()
76            .downcast_ref::<BetfairDataConfig>()
77            .ok_or_else(|| {
78                anyhow::anyhow!(
79                    "Invalid config type for BetfairDataClientFactory. Expected BetfairDataConfig, was {config:?}",
80                )
81            })?
82            .clone();
83
84        betfair_config.validate()?;
85
86        let credential = betfair_config.credential()?;
87        let stream_config = betfair_config.stream_config();
88        let nav_filter = betfair_config.navigation_filter();
89        let currency = betfair_config.currency()?;
90        let min_notional = betfair_config.min_notional()?;
91
92        let http_client = BetfairHttpClient::new(
93            credential.clone(),
94            None,
95            None,
96            None,
97            betfair_config.proxy_url.clone(),
98            Some(betfair_config.request_rate_per_second),
99            None,
100        )?;
101
102        let client = BetfairDataClient::new(
103            ClientId::from(name),
104            http_client,
105            credential,
106            stream_config,
107            betfair_config,
108            nav_filter,
109            currency,
110            min_notional,
111        );
112
113        Ok(Box::new(client))
114    }
115
116    fn name(&self) -> &'static str {
117        BETFAIR
118    }
119
120    fn config_type(&self) -> &'static str {
121        stringify!(BetfairDataConfig)
122    }
123}
124
125/// Factory for creating Betfair execution clients.
126#[derive(Debug, Clone)]
127#[cfg_attr(
128    feature = "python",
129    pyo3::pyclass(module = "nautilus_trader.core.nautilus_pyo3.betfair", from_py_object)
130)]
131#[cfg_attr(
132    feature = "python",
133    pyo3_stub_gen::derive::gen_stub_pyclass(module = "nautilus_trader.betfair")
134)]
135pub struct BetfairExecutionClientFactory;
136
137impl BetfairExecutionClientFactory {
138    /// Creates a new [`BetfairExecutionClientFactory`] instance.
139    #[must_use]
140    pub const fn new() -> Self {
141        Self
142    }
143}
144
145impl Default for BetfairExecutionClientFactory {
146    fn default() -> Self {
147        Self::new()
148    }
149}
150
151impl ExecutionClientFactory for BetfairExecutionClientFactory {
152    fn create(
153        &self,
154        name: &str,
155        config: &dyn ClientConfig,
156        cache: Rc<RefCell<Cache>>,
157    ) -> anyhow::Result<Box<dyn ExecutionClient>> {
158        let betfair_config = config
159            .as_any()
160            .downcast_ref::<BetfairExecConfig>()
161            .ok_or_else(|| {
162                anyhow::anyhow!(
163                    "Invalid config type for BetfairExecutionClientFactory. Expected BetfairExecConfig, was {config:?}",
164                )
165            })?
166            .clone();
167
168        betfair_config.validate()?;
169
170        let credential = betfair_config.credential()?;
171        let stream_config = betfair_config.stream_config();
172        let currency = betfair_config.currency()?;
173
174        let http_client = BetfairHttpClient::new(
175            credential.clone(),
176            None,
177            None,
178            None,
179            betfair_config.proxy_url.clone(),
180            Some(betfair_config.request_rate_per_second),
181            Some(betfair_config.order_request_rate_per_second),
182        )?;
183
184        let core = ExecutionClientCore::new(
185            betfair_config.trader_id,
186            ClientId::from(name),
187            *BETFAIR_VENUE,
188            OmsType::Netting,
189            betfair_config.account_id,
190            AccountType::Betting,
191            None,
192            cache,
193        );
194
195        let client = BetfairExecutionClient::new(
196            core,
197            http_client,
198            credential,
199            stream_config,
200            betfair_config,
201            currency,
202        );
203
204        Ok(Box::new(client))
205    }
206
207    fn name(&self) -> &'static str {
208        BETFAIR
209    }
210
211    fn config_type(&self) -> &'static str {
212        stringify!(BetfairExecConfig)
213    }
214}
215
216#[cfg(test)]
217mod tests {
218    use std::{cell::RefCell, rc::Rc};
219
220    use nautilus_common::{
221        cache::Cache,
222        clock::TestClock,
223        factories::{ClientConfig, DataClientFactory, ExecutionClientFactory},
224        live::runner::set_data_event_sender,
225    };
226    use rstest::rstest;
227
228    use super::*;
229    use crate::config::{BetfairDataConfig, BetfairExecConfig};
230
231    fn data_config() -> BetfairDataConfig {
232        BetfairDataConfig {
233            username: Some("testuser".to_string()),
234            password: Some("testpass".to_string()),
235            app_key: Some("testappkey".to_string()),
236            ..Default::default()
237        }
238    }
239
240    fn exec_config() -> BetfairExecConfig {
241        BetfairExecConfig {
242            username: Some("testuser".to_string()),
243            password: Some("testpass".to_string()),
244            app_key: Some("testappkey".to_string()),
245            ..Default::default()
246        }
247    }
248
249    #[rstest]
250    fn test_betfair_data_client_factory_creation() {
251        let factory = BetfairDataClientFactory::new();
252        assert_eq!(factory.name(), "BETFAIR");
253        assert_eq!(factory.config_type(), "BetfairDataConfig");
254    }
255
256    #[rstest]
257    fn test_betfair_execution_client_factory_creation() {
258        let factory = BetfairExecutionClientFactory::new();
259        assert_eq!(factory.name(), "BETFAIR");
260        assert_eq!(factory.config_type(), "BetfairExecConfig");
261    }
262
263    #[rstest]
264    fn test_betfair_data_config_implements_client_config() {
265        let config = BetfairDataConfig::default();
266        let boxed_config: Box<dyn ClientConfig> = Box::new(config);
267        let downcasted = boxed_config.as_any().downcast_ref::<BetfairDataConfig>();
268        assert!(downcasted.is_some());
269    }
270
271    #[rstest]
272    fn test_betfair_exec_config_implements_client_config() {
273        let config = BetfairExecConfig::default();
274        let boxed_config: Box<dyn ClientConfig> = Box::new(config);
275        let downcasted = boxed_config.as_any().downcast_ref::<BetfairExecConfig>();
276        assert!(downcasted.is_some());
277    }
278
279    #[rstest]
280    fn test_betfair_data_client_factory_creates_client() {
281        let factory = BetfairDataClientFactory::new();
282        let config = data_config();
283        let cache = Rc::new(RefCell::new(Cache::default()));
284        let clock = Rc::new(RefCell::new(TestClock::new()));
285        let (tx, _rx) = tokio::sync::mpsc::unbounded_channel();
286        set_data_event_sender(tx);
287
288        let result = factory.create("BETFAIR", &config, cache, clock);
289        assert!(result.is_ok());
290
291        let client = result.unwrap();
292        assert_eq!(client.client_id(), ClientId::from("BETFAIR"));
293    }
294
295    #[rstest]
296    fn test_betfair_execution_client_factory_creates_client() {
297        let factory = BetfairExecutionClientFactory::new();
298        let config = exec_config();
299        let cache = Rc::new(RefCell::new(Cache::default()));
300
301        let result = factory.create("BETFAIR", &config, cache);
302        assert!(result.is_ok());
303
304        let client = result.unwrap();
305        assert_eq!(client.client_id(), ClientId::from("BETFAIR"));
306    }
307
308    #[rstest]
309    fn test_betfair_execution_client_factory_rejects_wrong_config_type() {
310        let factory = BetfairExecutionClientFactory::new();
311        let wrong_config = data_config();
312        let cache = Rc::new(RefCell::new(Cache::default()));
313
314        let result = factory.create("BETFAIR", &wrong_config, cache);
315        assert!(result.is_err());
316        assert!(
317            result
318                .err()
319                .unwrap()
320                .to_string()
321                .contains("Invalid config type")
322        );
323    }
324
325    #[rstest]
326    fn test_betfair_data_client_factory_rejects_missing_credentials() {
327        let factory = BetfairDataClientFactory::new();
328        let config = BetfairDataConfig {
329            username: Some("testuser".to_string()),
330            ..Default::default()
331        };
332        let cache = Rc::new(RefCell::new(Cache::default()));
333        let clock = Rc::new(RefCell::new(TestClock::new()));
334
335        let result = factory.create("BETFAIR", &config, cache, clock);
336        assert!(result.is_err());
337        assert!(
338            result
339                .err()
340                .unwrap()
341                .to_string()
342                .contains("password is missing")
343        );
344    }
345}
nautilus_betfair/factories.rs

nautilus_betfair/
factories.rs
