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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.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 hash of the block observed when this collection was ingested.
49    #[serde(default, skip_serializing_if = "Option::is_none")]
50    pub block_hash: Option<String>,
51    /// The unique hash identifier of the blockchain transaction containing the fee collection.
52    pub transaction_hash: String,
53    /// The index position of the transaction within the block.
54    pub transaction_index: u32,
55    /// The index position of the fee collection event log within the transaction.
56    pub log_index: u32,
57    /// The blockchain address that owns the liquidity position.
58    pub owner: Address,
59    /// The amount of the first token fees collected.
60    pub amount0: u128,
61    /// The amount of the second token fees collected.
62    pub amount1: u128,
63    /// The lower price tick boundary of the liquidity position.
64    pub tick_lower: i32,
65    /// The upper price tick boundary of the liquidity position.
66    pub tick_upper: i32,
67    /// UNIX timestamp (nanoseconds) when the fee collection event occurred.
68    pub ts_event: UnixNanos,
69    /// UNIX timestamp (nanoseconds) when the instance was created.
70    pub ts_init: UnixNanos,
71}
72
73impl PoolFeeCollect {
74    /// Creates a new [`PoolFeeCollect`] instance with the specified properties.
75    #[must_use]
76    #[expect(clippy::too_many_arguments)]
77    pub const fn new(
78        chain: SharedChain,
79        dex: SharedDex,
80        instrument_id: InstrumentId,
81        pool_identifier: PoolIdentifier,
82        block: u64,
83        transaction_hash: String,
84        transaction_index: u32,
85        log_index: u32,
86        owner: Address,
87        amount0: u128,
88        amount1: u128,
89        tick_lower: i32,
90        tick_upper: i32,
91        ts_event: UnixNanos,
92        ts_init: UnixNanos,
93    ) -> Self {
94        Self {
95            chain,
96            dex,
97            instrument_id,
98            pool_identifier,
99            block,
100            block_hash: None,
101            transaction_hash,
102            transaction_index,
103            log_index,
104            owner,
105            amount0,
106            amount1,
107            tick_lower,
108            tick_upper,
109            ts_event,
110            ts_init,
111        }
112    }
113}
114
115impl Display for PoolFeeCollect {
116    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
117        write!(
118            f,
119            "PoolFeeCollect({} fees collected: token0={}, token1={}, owner={}, tick_range=[{}, {}], tx={}:{}:{})",
120            self.instrument_id,
121            self.amount0,
122            self.amount1,
123            self.owner,
124            self.tick_lower,
125            self.tick_upper,
126            self.block,
127            self.transaction_index,
128            self.log_index,
129        )
130    }
131}