nautilus_model/defi/data/
block.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::U256;
19use nautilus_core::UnixNanos;
20use serde::{Deserialize, Serialize};
21use ustr::Ustr;
22
23use crate::defi::{
24    Blockchain,
25    hex::{
26        deserialize_hex_number, deserialize_hex_timestamp, deserialize_opt_hex_u64,
27        deserialize_opt_hex_u256,
28    },
29};
30
31/// Represents the precise position of an event within a blockchain.
32#[derive(Debug, Clone, PartialEq, Eq, Hash, Serialize, Deserialize)]
33pub struct BlockPosition {
34    /// The block number (height) in the blockchain where the event occurred.
35    pub number: u64,
36    /// The unique hash identifier of the transaction containing the event.
37    pub transaction_hash: String,
38    /// The index position of the transaction within the block (0-based).
39    pub transaction_index: u32,
40    /// The index position of the log/event within the transaction (0-based).
41    pub log_index: u32,
42}
43
44impl BlockPosition {
45    /// Creates a new [`BlockPosition`] with the specified positioning data.
46    #[must_use]
47    pub fn new(number: u64, transaction_hash: String, index: u32, log_index: u32) -> Self {
48        Self {
49            number,
50            transaction_hash,
51            transaction_index: index,
52            log_index,
53        }
54    }
55}
56
57/// Represents an Ethereum-compatible blockchain block with essential metadata.
58#[derive(Debug, Clone, Serialize, Deserialize)]
59#[serde(rename_all = "camelCase")]
60#[cfg_attr(
61    feature = "python",
62    pyo3::pyclass(module = "nautilus_trader.core.nautilus_pyo3.model", from_py_object)
63)]
64#[cfg_attr(
65    feature = "python",
66    pyo3_stub_gen::derive::gen_stub_pyclass(module = "nautilus_trader.model")
67)]
68pub struct Block {
69    /// The blockchain network this block is part of.
70    #[serde(skip)]
71    pub chain: Option<Blockchain>, // TODO: We should make this required eventually
72    /// The unique identifier hash of the block.
73    pub hash: String,
74    /// The block height/number in the blockchain.
75    #[serde(deserialize_with = "deserialize_hex_number")]
76    pub number: u64,
77    /// Hash of the parent block.
78    pub parent_hash: String,
79    /// Address of the miner or validator who produced this block.
80    pub miner: Ustr,
81    /// Maximum amount of gas allowed in this block.
82    #[serde(deserialize_with = "deserialize_hex_number")]
83    pub gas_limit: u64,
84    /// Total gas actually used by all transactions in this block.
85    #[serde(deserialize_with = "deserialize_hex_number")]
86    pub gas_used: u64,
87    /// EIP-1559 base fee per gas (wei); absent on pre-1559 or non-EIP chains.
88    #[serde(default, deserialize_with = "deserialize_opt_hex_u256")]
89    pub base_fee_per_gas: Option<U256>,
90    /// Blob gas used in this block (EIP-4844); absent on chains without blobs.
91    #[serde(default, deserialize_with = "deserialize_opt_hex_u256")]
92    pub blob_gas_used: Option<U256>,
93    /// Excess blob gas remaining after block execution (EIP-4844); None if not applicable.
94    #[serde(default, deserialize_with = "deserialize_opt_hex_u256")]
95    pub excess_blob_gas: Option<U256>,
96    /// L1 gas price used for posting this block's calldata (wei); Arbitrum only.
97    #[serde(default, deserialize_with = "deserialize_opt_hex_u256")]
98    pub l1_gas_price: Option<U256>,
99    /// L1 calldata gas units consumed when posting this block; Arbitrum only.
100    #[serde(default, deserialize_with = "deserialize_opt_hex_u64")]
101    pub l1_gas_used: Option<u64>,
102    /// Fixed-point (1e-6) scalar applied to the raw L1 fee; Arbitrum only.
103    #[serde(default, deserialize_with = "deserialize_opt_hex_u64")]
104    pub l1_fee_scalar: Option<u64>,
105    /// Unix timestamp when the block was created.
106    #[serde(deserialize_with = "deserialize_hex_timestamp")]
107    pub timestamp: UnixNanos,
108}
109
110impl Block {
111    /// Creates a new [`Block`] instance with the specified properties.
112    #[expect(clippy::too_many_arguments)]
113    #[must_use]
114    pub fn new(
115        hash: String,
116        parent_hash: String,
117        number: u64,
118        miner: Ustr,
119        gas_limit: u64,
120        gas_used: u64,
121        timestamp: UnixNanos,
122        chain: Option<Blockchain>,
123    ) -> Self {
124        Self {
125            chain,
126            hash,
127            parent_hash,
128            number,
129            miner,
130            gas_used,
131            gas_limit,
132            timestamp,
133            base_fee_per_gas: None,
134            blob_gas_used: None,
135            excess_blob_gas: None,
136            l1_gas_price: None,
137            l1_gas_used: None,
138            l1_fee_scalar: None,
139        }
140    }
141
142    /// Returns the blockchain for this block.
143    ///
144    /// # Panics
145    ///
146    /// Panics if the `chain` has not been set.
147    #[must_use]
148    pub fn chain(&self) -> Blockchain {
149        if let Some(chain) = self.chain {
150            chain
151        } else {
152            panic!("Must have the `chain` field set")
153        }
154    }
155
156    pub fn set_chain(&mut self, chain: Blockchain) {
157        self.chain = Some(chain);
158    }
159
160    /// Sets the EIP-1559 base fee and returns `self` for chaining.
161    #[must_use]
162    pub fn with_base_fee(mut self, fee: U256) -> Self {
163        self.base_fee_per_gas = Some(fee);
164        self
165    }
166
167    /// Sets blob-gas metrics (EIP-4844) and returns `self` for chaining.
168    #[must_use]
169    pub fn with_blob_gas(mut self, used: U256, excess: U256) -> Self {
170        self.blob_gas_used = Some(used);
171        self.excess_blob_gas = Some(excess);
172        self
173    }
174
175    /// Sets L1 fee components relevant for Arbitrum cost calculation and returns `self` for chaining.
176    #[must_use]
177    pub fn with_l1_fee_components(mut self, price: U256, gas_used: u64, scalar: u64) -> Self {
178        self.l1_gas_price = Some(price);
179        self.l1_gas_used = Some(gas_used);
180        self.l1_fee_scalar = Some(scalar);
181        self
182    }
183}
184
185impl PartialEq for Block {
186    fn eq(&self, other: &Self) -> bool {
187        self.hash == other.hash
188    }
189}
190
191impl Eq for Block {}
192
193impl Display for Block {
194    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
195        write!(
196            f,
197            "Block(chain={}, number={}, timestamp={}, hash={})",
198            self.chain(),
199            self.number,
200            self.timestamp.to_rfc3339(),
201            self.hash
202        )
203    }
204}
205
206#[cfg(test)]
207mod tests {
208    use alloy_primitives::U256;
209    use chrono::{TimeZone, Utc};
210    use nautilus_core::UnixNanos;
211    use rstest::{fixture, rstest};
212    use ustr::Ustr;
213
214    use super::Block;
215    use crate::defi::{Blockchain, chain::chains, rpc::RpcNodeWssResponse};
216
217    #[fixture]
218    fn eth_rpc_block_response() -> String {
219        // https://etherscan.io/block/22294175
220        r#"{
221        "jsonrpc":"2.0",
222        "method":"eth_subscription",
223        "params":{
224            "subscription":"0xe06a2375238a4daa8ec823f585a0ef1e",
225            "result":{
226                "baseFeePerGas":"0x1862a795",
227                "blobGasUsed":"0xc0000",
228                "difficulty":"0x0",
229                "excessBlobGas":"0x4840000",
230                "extraData":"0x546974616e2028746974616e6275696c6465722e78797a29",
231                "gasLimit":"0x223b4a1",
232                "gasUsed":"0xde3909",
233                "hash":"0x71ece187051700b814592f62774e6ebd8ebdf5efbb54c90859a7d1522ce38e0a",
234                "miner":"0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97",
235                "mixHash":"0x43adbd4692459c8820b0913b0bc70e8a87bed2d40c395cc41059aa108a7cbe84",
236                "nonce":"0x0000000000000000",
237                "number":"0x1542e9f",
238                "parentBeaconBlockRoot":"0x58673bf001b31af805fb7634fbf3257dde41fbb6ae05c71799b09632d126b5c7",
239                "parentHash":"0x2abcce1ac985ebea2a2d6878a78387158f46de8d6db2cefca00ea36df4030a40",
240                "receiptsRoot":"0x35fead0b79338d4acbbc361014521d227874a1e02d24342ed3e84460df91f271",
241                "sha3Uncles":"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
242                "stateRoot":"0x99f29ee8ed6622c6a1520dca86e361029605f76d2e09aa7d3b1f9fc8b0268b13",
243                "timestamp":"0x6801f4bb",
244                "transactionsRoot":"0x9484b18d38886f25a44b465ad0136c792ef67dd5863b102cab2ab7a76bfb707d",
245                "withdrawalsRoot":"0x152f0040f4328639397494ef0d9c02d36c38b73f09588f304084e9f29662e9cb"
246            }
247         }
248      }"#.to_string()
249    }
250
251    #[fixture]
252    fn polygon_rpc_block_response() -> String {
253        // https://polygonscan.com/block/70453741
254        r#"{
255        "jsonrpc": "2.0",
256        "method": "eth_subscription",
257        "params": {
258            "subscription": "0x20f7c54c468149ed99648fd09268c903",
259            "result": {
260                "baseFeePerGas": "0x19e",
261                "difficulty": "0x18",
262                "gasLimit": "0x1c9c380",
263                "gasUsed": "0x1270f14",
264                "hash": "0x38ca655a2009e1748097f5559a0c20de7966243b804efeb53183614e4bebe199",
265                "miner": "0x0000000000000000000000000000000000000000",
266                "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
267                "nonce": "0x0000000000000000",
268                "number": "0x43309ed",
269                "parentHash": "0xf25e108267e3d6e1e4aaf4e329872273f2b1ad6186a4a22e370623aa8d021c50",
270                "receiptsRoot": "0xfffb93a991d15b9689536e59f20564cc49c254ec41a222d988abe58d2869968c",
271                "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
272                "stateRoot": "0xe66a9bc516bde8fc7b8c1ba0b95bfea0f4574fc6cfe95c68b7f8ab3d3158278d",
273                "timestamp": "0x680250d5",
274                "totalDifficulty": "0x505bd180",
275                "transactionsRoot": "0xd9ebc2fd5c7ce6f69ab2e427da495b0b0dff14386723b8c07b347449fd6293a6"
276            }
277          }
278      }"#.to_string()
279    }
280
281    #[fixture]
282    fn base_rpc_block_response() -> String {
283        r#"{
284        "jsonrpc":"2.0",
285        "method":"eth_subscription",
286        "params":{
287            "subscription":"0xeb7d715d93964e22b2d99192791ca984",
288            "result":{
289                "baseFeePerGas":"0xaae54",
290                "blobGasUsed":"0x0",
291                "difficulty":"0x0",
292                "excessBlobGas":"0x0",
293                "extraData":"0x00000000fa00000002",
294                "gasLimit":"0x7270e00",
295                "gasUsed":"0x56fce26",
296                "hash":"0x14575c65070d455e6d20d5ee17be124917a33ce4437dd8615a56d29e8279b7ad",
297                "logsBloom":"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",
298                "miner":"0x4200000000000000000000000000000000000011",
299                "mixHash":"0xeacd829463c5d21df523005d55f25a0ca20474f1310c5c7eb29ff2c479789e98",
300                "nonce":"0x0000000000000000",
301                "number":"0x1bca2ac",
302                "parentBeaconBlockRoot":"0xfe4c48425a274a6716c569dfa9c238551330fc39d295123b12bc2461e6f41834",
303                "parentHash":"0x9a6ad4ffb258faa47ecd5eea9e7a9d8fa1772aa6232bc7cb4bbad5bc30786258",
304                "receiptsRoot":"0x5fc932dd358c33f9327a704585c83aafbe0d25d12b62c1cd8282df8b328aac16",
305                "sha3Uncles":"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
306                "stateRoot":"0xd2d3a6a219fb155bfc5afbde11f3161f1051d931432ccf32c33affe54176bb18",
307                "timestamp":"0x6803a23b",
308                "transactionsRoot":"0x59726fb9afc101cd49199c70bbdbc28385f4defa02949cb6e20493e16035a59d",
309                "withdrawalsRoot":"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"
310            }
311        }
312      }"#.to_string()
313    }
314
315    #[fixture]
316    fn arbitrum_rpc_block_response() -> String {
317        // https://arbiscan.io/block/328014516
318        r#"{
319        "jsonrpc":"2.0",
320        "method":"eth_subscription",
321        "params":{
322            "subscription":"0x0c5a0b38096440ef9a30a84837cf2012",
323            "result":{
324                "baseFeePerGas":"0x989680",
325                "difficulty":"0x1",
326                "extraData":"0xc66cd959dcdc1baf028efb61140d4461629c53c9643296cbda1c40723e97283b",
327                "gasLimit":"0x4000000000000",
328                "gasUsed":"0x17af4",
329                "hash":"0x724a0af4720fd7624976f71b16163de25f8532e87d0e7058eb0c1d3f6da3c1f8",
330                "miner":"0xa4b000000000000000000073657175656e636572",
331                "mixHash":"0x0000000000023106000000000154528900000000000000200000000000000000",
332                "nonce":"0x00000000001daa7c",
333                "number":"0x138d1ab4",
334                "parentHash":"0xe7176e201c2db109be479770074ad11b979de90ac850432ed38ed335803861b6",
335                "receiptsRoot":"0xefb382e3a4e3169e57920fa2367fc81c98bbfbd13611f57767dee07d3b3f96d4",
336                "sha3Uncles":"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
337                "stateRoot":"0x57e5475675abf1ec4c763369342e327a04321d17eeaa730a4ca20a9cafeee380",
338                "timestamp":"0x6803a606",
339                "totalDifficulty":"0x123a3d6c",
340                "transactionsRoot":"0x710b520177ecb31fa9092d16ee593b692070912b99ddd9fcf73eb4e9dd15193d"
341            }
342        }
343      }"#.to_string()
344    }
345
346    #[rstest]
347    fn test_block_set_chain() {
348        let mut block = Block::new(
349            "0x1234567890abcdef".to_string(),
350            "0xabcdef1234567890".to_string(),
351            12345,
352            Ustr::from("0x742E4422b21FB8B4dF463F28689AC98bD56c39e0"),
353            21000,
354            20000,
355            UnixNanos::from(1_640_995_200_000_000_000u64),
356            None,
357        );
358
359        assert!(block.chain.is_none());
360
361        let chain = Blockchain::Ethereum;
362        block.set_chain(chain);
363
364        assert_eq!(block.chain, Some(chain));
365    }
366
367    #[rstest]
368    fn test_ethereum_block_parsing(eth_rpc_block_response: String) {
369        let mut block =
370            match serde_json::from_str::<RpcNodeWssResponse<Block>>(&eth_rpc_block_response) {
371                Ok(rpc_response) => rpc_response.params.result,
372                Err(e) => panic!("Failed to deserialize block response with error {e}"),
373            };
374        block.set_chain(Blockchain::Ethereum);
375
376        assert_eq!(
377            block.to_string(),
378            "Block(chain=Ethereum, number=22294175, timestamp=2025-04-18T06:44:11+00:00, hash=0x71ece187051700b814592f62774e6ebd8ebdf5efbb54c90859a7d1522ce38e0a)".to_string(),
379        );
380        assert_eq!(
381            block.hash,
382            "0x71ece187051700b814592f62774e6ebd8ebdf5efbb54c90859a7d1522ce38e0a"
383        );
384        assert_eq!(
385            block.parent_hash,
386            "0x2abcce1ac985ebea2a2d6878a78387158f46de8d6db2cefca00ea36df4030a40"
387        );
388        assert_eq!(block.number, 22_294_175);
389        assert_eq!(block.miner, "0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97");
390        // Timestamp of block is on Apr-18-2025 06:44:11 AM +UTC
391        assert_eq!(
392            block.timestamp,
393            UnixNanos::from(Utc.with_ymd_and_hms(2025, 4, 18, 6, 44, 11).unwrap())
394        );
395        assert_eq!(block.gas_used, 14_563_593);
396        assert_eq!(block.gas_limit, 35_894_433);
397
398        assert_eq!(block.base_fee_per_gas, Some(U256::from(0x1862_a795_u64)));
399        assert_eq!(block.blob_gas_used, Some(U256::from(0xc0000u64)));
400        assert_eq!(block.excess_blob_gas, Some(U256::from(0x0484_0000_u64)));
401    }
402
403    #[rstest]
404    fn test_polygon_block_parsing(polygon_rpc_block_response: String) {
405        let mut block =
406            match serde_json::from_str::<RpcNodeWssResponse<Block>>(&polygon_rpc_block_response) {
407                Ok(rpc_response) => rpc_response.params.result,
408                Err(e) => panic!("Failed to deserialize block response with error {e}"),
409            };
410        block.set_chain(Blockchain::Polygon);
411
412        assert_eq!(
413            block.to_string(),
414            "Block(chain=Polygon, number=70453741, timestamp=2025-04-18T13:17:09+00:00, hash=0x38ca655a2009e1748097f5559a0c20de7966243b804efeb53183614e4bebe199)".to_string(),
415        );
416        assert_eq!(
417            block.hash,
418            "0x38ca655a2009e1748097f5559a0c20de7966243b804efeb53183614e4bebe199"
419        );
420        assert_eq!(
421            block.parent_hash,
422            "0xf25e108267e3d6e1e4aaf4e329872273f2b1ad6186a4a22e370623aa8d021c50"
423        );
424        assert_eq!(block.number, 70_453_741);
425        assert_eq!(block.miner, "0x0000000000000000000000000000000000000000");
426        // Timestamp of block is on Apr-18-2025 01:17:09 PM +UTC
427        assert_eq!(
428            block.timestamp,
429            UnixNanos::from(Utc.with_ymd_and_hms(2025, 4, 18, 13, 17, 9).unwrap())
430        );
431        assert_eq!(block.gas_used, 19_336_980);
432        assert_eq!(block.gas_limit, 30_000_000);
433        assert_eq!(block.base_fee_per_gas, Some(U256::from(0x19eu64)));
434        assert!(block.blob_gas_used.is_none()); // Not applicable on Polygon
435        assert!(block.excess_blob_gas.is_none()); // Not applicable on Polygon
436    }
437
438    #[rstest]
439    fn test_base_block_parsing(base_rpc_block_response: String) {
440        let mut block =
441            match serde_json::from_str::<RpcNodeWssResponse<Block>>(&base_rpc_block_response) {
442                Ok(rpc_response) => rpc_response.params.result,
443                Err(e) => panic!("Failed to deserialize block response with error {e}"),
444            };
445        block.set_chain(Blockchain::Base);
446
447        assert_eq!(
448            block.to_string(),
449            "Block(chain=Base, number=29139628, timestamp=2025-04-19T13:16:43+00:00, hash=0x14575c65070d455e6d20d5ee17be124917a33ce4437dd8615a56d29e8279b7ad)".to_string(),
450        );
451        assert_eq!(
452            block.hash,
453            "0x14575c65070d455e6d20d5ee17be124917a33ce4437dd8615a56d29e8279b7ad"
454        );
455        assert_eq!(
456            block.parent_hash,
457            "0x9a6ad4ffb258faa47ecd5eea9e7a9d8fa1772aa6232bc7cb4bbad5bc30786258"
458        );
459        assert_eq!(block.number, 29_139_628);
460        assert_eq!(block.miner, "0x4200000000000000000000000000000000000011");
461        // Timestamp of block is on Apr 19 2025 13:16:43 PM +UTC
462        assert_eq!(
463            block.timestamp,
464            UnixNanos::from(Utc.with_ymd_and_hms(2025, 4, 19, 13, 16, 43).unwrap())
465        );
466        assert_eq!(block.gas_used, 91_213_350);
467        assert_eq!(block.gas_limit, 120_000_000);
468
469        assert_eq!(block.base_fee_per_gas, Some(U256::from(0xaae54u64)));
470        assert_eq!(block.blob_gas_used, Some(U256::ZERO));
471        assert_eq!(block.excess_blob_gas, Some(U256::ZERO));
472    }
473
474    #[rstest]
475    fn test_arbitrum_block_parsing(arbitrum_rpc_block_response: String) {
476        let mut block =
477            match serde_json::from_str::<RpcNodeWssResponse<Block>>(&arbitrum_rpc_block_response) {
478                Ok(rpc_response) => rpc_response.params.result,
479                Err(e) => panic!("Failed to deserialize block response with error {e}"),
480            };
481        block.set_chain(Blockchain::Arbitrum);
482
483        assert_eq!(
484            block.to_string(),
485            "Block(chain=Arbitrum, number=328014516, timestamp=2025-04-19T13:32:54+00:00, hash=0x724a0af4720fd7624976f71b16163de25f8532e87d0e7058eb0c1d3f6da3c1f8)".to_string(),
486        );
487        assert_eq!(
488            block.hash,
489            "0x724a0af4720fd7624976f71b16163de25f8532e87d0e7058eb0c1d3f6da3c1f8"
490        );
491        assert_eq!(
492            block.parent_hash,
493            "0xe7176e201c2db109be479770074ad11b979de90ac850432ed38ed335803861b6"
494        );
495        assert_eq!(block.number, 328_014_516);
496        assert_eq!(block.miner, "0xa4b000000000000000000073657175656e636572");
497        // Timestamp of block is on Apr-19-2025 13:32:54 PM +UTC
498        assert_eq!(
499            block.timestamp,
500            UnixNanos::from(Utc.with_ymd_and_hms(2025, 4, 19, 13, 32, 54).unwrap())
501        );
502        assert_eq!(block.gas_used, 97012);
503        assert_eq!(block.gas_limit, 1_125_899_906_842_624);
504
505        assert_eq!(block.base_fee_per_gas, Some(U256::from(0x0098_9680_u64)));
506        assert!(block.blob_gas_used.is_none());
507        assert!(block.excess_blob_gas.is_none());
508    }
509
510    #[rstest]
511    fn test_block_builder_helpers() {
512        let block = Block::new(
513            "0xabc".into(),
514            "0xdef".into(),
515            1,
516            Ustr::from("0x0000000000000000000000000000000000000000"),
517            100_000,
518            50_000,
519            UnixNanos::from(1_700_000_000u64),
520            Some(Blockchain::Arbitrum),
521        );
522
523        let block = block
524            .with_base_fee(U256::from(1_000u64))
525            .with_blob_gas(U256::from(0x10u8), U256::from(0x20u8))
526            .with_l1_fee_components(U256::from(30_000u64), 1_234, 1_000_000);
527
528        assert_eq!(block.chain, Some(chains::ARBITRUM.name));
529        assert_eq!(block.base_fee_per_gas, Some(U256::from(1_000u64)));
530        assert_eq!(block.blob_gas_used, Some(U256::from(0x10u8)));
531        assert_eq!(block.excess_blob_gas, Some(U256::from(0x20u8)));
532        assert_eq!(block.l1_gas_price, Some(U256::from(30_000u64)));
533        assert_eq!(block.l1_gas_used, Some(1_234));
534        assert_eq!(block.l1_fee_scalar, Some(1_000_000));
535    }
536}
nautilus_model/defi/data/block.rs

nautilus_model/defi/data/
block.rs
