nautilus_model/defi/data/collect.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 std::fmt::Display;
17
18use alloy_primitives::Address;
19use nautilus_core::UnixNanos;
20use serde::{Deserialize, Serialize};
21
22use crate::{
23 defi::{PoolIdentifier, SharedChain, SharedDex},
24 identifiers::InstrumentId,
25};
26
27/// Represents a fee collection event in a decentralized exchange (DEX) pool.
28#[derive(Debug, Clone, PartialEq, Serialize, Deserialize)]
29#[cfg_attr(
30 feature = "python",
31 pyo3::pyclass(module = "nautilus_trader.core.nautilus_pyo3.model", from_py_object)
32)]
33#[cfg_attr(
34 feature = "python",
35 pyo3_stub_gen::derive::gen_stub_pyclass(module = "nautilus_trader.model")
36)]
37pub struct PoolFeeCollect {
38 /// The blockchain network where the fee collection occurred.
39 pub chain: SharedChain,
40 /// The decentralized exchange where the fee collection was executed.
41 pub dex: SharedDex,
42 /// The instrument ID for this pool's trading pair.
43 pub instrument_id: InstrumentId,
44 /// The unique identifier for this pool (could be an address or other protocol-specific hex string).
45 pub pool_identifier: PoolIdentifier,
46 /// The blockchain block number where the fee collection occurred.
47 pub block: u64,
48 /// The unique hash identifier of the blockchain transaction containing the fee collection.
49 pub transaction_hash: String,
50 /// The index position of the transaction within the block.
51 pub transaction_index: u32,
52 /// The index position of the fee collection event log within the transaction.
53 pub log_index: u32,
54 /// The blockchain address that owns the liquidity position.
55 pub owner: Address,
56 /// The amount of the first token fees collected.
57 pub amount0: u128,
58 /// The amount of the second token fees collected.
59 pub amount1: u128,
60 /// The lower price tick boundary of the liquidity position.
61 pub tick_lower: i32,
62 /// The upper price tick boundary of the liquidity position.
63 pub tick_upper: i32,
64 /// The timestamp of the fee collection in Unix nanoseconds.
65 pub timestamp: Option<UnixNanos>,
66 /// UNIX timestamp (nanoseconds) when the instance was created.
67 pub ts_init: Option<UnixNanos>,
68}
69
70impl PoolFeeCollect {
71 /// Creates a new [`PoolFeeCollect`] instance with the specified properties.
72 #[must_use]
73 #[expect(clippy::too_many_arguments)]
74 pub const fn new(
75 chain: SharedChain,
76 dex: SharedDex,
77 instrument_id: InstrumentId,
78 pool_identifier: PoolIdentifier,
79 block: u64,
80 transaction_hash: String,
81 transaction_index: u32,
82 log_index: u32,
83 owner: Address,
84 amount0: u128,
85 amount1: u128,
86 tick_lower: i32,
87 tick_upper: i32,
88 timestamp: Option<UnixNanos>,
89 ) -> Self {
90 Self {
91 chain,
92 dex,
93 instrument_id,
94 pool_identifier,
95 block,
96 transaction_hash,
97 transaction_index,
98 log_index,
99 owner,
100 amount0,
101 amount1,
102 tick_lower,
103 tick_upper,
104 timestamp,
105 ts_init: timestamp,
106 }
107 }
108}
109
110impl Display for PoolFeeCollect {
111 fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
112 write!(
113 f,
114 "PoolFeeCollect({} fees collected: token0={}, token1={}, owner={}, tick_range=[{}, {}], tx={}:{}:{})",
115 self.instrument_id,
116 self.amount0,
117 self.amount1,
118 self.owner,
119 self.tick_lower,
120 self.tick_upper,
121 self.block,
122 self.transaction_index,
123 self.log_index,
124 )
125 }
126}