nautilus_common/messages/
mod.rs

1// -------------------------------------------------------------------------------------------------
2//  Copyright (C) 2015-2025 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//! Message types for system communication.
17//!
18//! This module provides message types used for communication between different
19//! parts of the NautilusTrader system, including data requests, execution commands,
20//! and system control messages.
21
22use nautilus_model::{
23    data::Data,
24    events::{AccountState, OrderEventAny},
25    instruments::InstrumentAny,
26};
27use strum::Display;
28
29pub mod data;
30pub mod execution;
31pub mod system;
32
33#[cfg(feature = "defi")]
34pub mod defi;
35
36// Re-exports
37pub use data::{DataResponse, SubscribeCommand, UnsubscribeCommand};
38pub use execution::ExecutionReport;
39
40// TODO: Refine this to reduce disparity between enum sizes
41#[allow(clippy::large_enum_variant)]
42#[derive(Debug, Display)]
43pub enum DataEvent {
44    Response(DataResponse),
45    Data(Data),
46    Instrument(InstrumentAny), // TODO: Eventually this can be `Data` once Cython is gone
47    // nautilus-import-ok: conditional compilation import
48    #[cfg(feature = "defi")]
49    DeFi(nautilus_model::defi::data::DefiData),
50}
51
52/// Execution event variants for order events and reports.
53#[allow(clippy::large_enum_variant)]
54#[derive(Debug, Display)]
55pub enum ExecutionEvent {
56    Order(OrderEventAny),
57    Report(ExecutionReport),
58    Account(AccountState),
59}
nautilus_common/messages/mod.rs

nautilus_common/messages/
mod.rs
