nautilus_model/defi/data/
block.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
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    pub fn new(number: u64, transaction_hash: String, index: u32, log_index: u32) -> Self {
47        Self {
48            number,
49            transaction_hash,
50            transaction_index: index,
51            log_index,
52        }
53    }
54}
55
56/// Represents an Ethereum-compatible blockchain block with essential metadata.
57#[derive(Debug, Clone, Serialize, Deserialize)]
58#[serde(rename_all = "camelCase")]
59#[cfg_attr(
60    feature = "python",
61    pyo3::pyclass(module = "nautilus_trader.core.nautilus_pyo3.model")
62)]
63pub struct Block {
64    /// The blockchain network this block is part of.
65    #[serde(skip)]
66    pub chain: Option<Blockchain>, // TODO: We should make this required eventually
67    /// The unique identifier hash of the block.
68    pub hash: String,
69    /// The block height/number in the blockchain.
70    #[serde(deserialize_with = "deserialize_hex_number")]
71    pub number: u64,
72    /// Hash of the parent block.
73    pub parent_hash: String,
74    /// Address of the miner or validator who produced this block.
75    pub miner: Ustr,
76    /// Maximum amount of gas allowed in this block.
77    #[serde(deserialize_with = "deserialize_hex_number")]
78    pub gas_limit: u64,
79    /// Total gas actually used by all transactions in this block.
80    #[serde(deserialize_with = "deserialize_hex_number")]
81    pub gas_used: u64,
82    /// EIP-1559 base fee per gas (wei); absent on pre-1559 or non-EIP chains.
83    #[serde(default, deserialize_with = "deserialize_opt_hex_u256")]
84    pub base_fee_per_gas: Option<U256>,
85    /// Blob gas used in this block (EIP-4844); absent on chains without blobs.
86    #[serde(default, deserialize_with = "deserialize_opt_hex_u256")]
87    pub blob_gas_used: Option<U256>,
88    /// Excess blob gas remaining after block execution (EIP-4844); None if not applicable.
89    #[serde(default, deserialize_with = "deserialize_opt_hex_u256")]
90    pub excess_blob_gas: Option<U256>,
91    /// L1 gas price used for posting this block's calldata (wei); Arbitrum only.
92    #[serde(default, deserialize_with = "deserialize_opt_hex_u256")]
93    pub l1_gas_price: Option<U256>,
94    /// L1 calldata gas units consumed when posting this block; Arbitrum only.
95    #[serde(default, deserialize_with = "deserialize_opt_hex_u64")]
96    pub l1_gas_used: Option<u64>,
97    /// Fixed-point (1e-6) scalar applied to the raw L1 fee; Arbitrum only.
98    #[serde(default, deserialize_with = "deserialize_opt_hex_u64")]
99    pub l1_fee_scalar: Option<u64>,
100    /// Unix timestamp when the block was created.
101    #[serde(deserialize_with = "deserialize_hex_timestamp")]
102    pub timestamp: UnixNanos,
103}
104
105impl Block {
106    /// Creates a new [`Block`] instance with the specified properties.
107    #[allow(clippy::too_many_arguments)]
108    pub fn new(
109        hash: String,
110        parent_hash: String,
111        number: u64,
112        miner: Ustr,
113        gas_limit: u64,
114        gas_used: u64,
115        timestamp: UnixNanos,
116        chain: Option<Blockchain>,
117    ) -> Self {
118        Self {
119            chain,
120            hash,
121            parent_hash,
122            number,
123            miner,
124            gas_used,
125            gas_limit,
126            timestamp,
127            base_fee_per_gas: None,
128            blob_gas_used: None,
129            excess_blob_gas: None,
130            l1_gas_price: None,
131            l1_gas_used: None,
132            l1_fee_scalar: None,
133        }
134    }
135
136    /// Returns the blockchain for this block.
137    ///
138    /// # Panics
139    ///
140    /// Panics if the `chain` has not been set.
141    pub fn chain(&self) -> Blockchain {
142        if let Some(chain) = self.chain {
143            chain
144        } else {
145            panic!("Must have the `chain` field set")
146        }
147    }
148
149    pub fn set_chain(&mut self, chain: Blockchain) {
150        self.chain = Some(chain)
151    }
152
153    /// Sets the EIP-1559 base fee and returns `self` for chaining.
154    #[must_use]
155    pub fn with_base_fee(mut self, fee: U256) -> Self {
156        self.base_fee_per_gas = Some(fee);
157        self
158    }
159
160    /// Sets blob-gas metrics (EIP-4844) and returns `self` for chaining.
161    #[must_use]
162    pub fn with_blob_gas(mut self, used: U256, excess: U256) -> Self {
163        self.blob_gas_used = Some(used);
164        self.excess_blob_gas = Some(excess);
165        self
166    }
167
168    /// Sets L1 fee components relevant for Arbitrum cost calculation and returns `self` for chaining.
169    #[must_use]
170    pub fn with_l1_fee_components(mut self, price: U256, gas_used: u64, scalar: u64) -> Self {
171        self.l1_gas_price = Some(price);
172        self.l1_gas_used = Some(gas_used);
173        self.l1_fee_scalar = Some(scalar);
174        self
175    }
176}
177
178impl PartialEq for Block {
179    fn eq(&self, other: &Self) -> bool {
180        self.hash == other.hash
181    }
182}
183
184impl Eq for Block {}
185
186impl Display for Block {
187    fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
188        write!(
189            f,
190            "Block(chain={}, number={}, timestamp={}, hash={})",
191            self.chain(),
192            self.number,
193            self.timestamp.to_rfc3339(),
194            self.hash
195        )
196    }
197}
198
199#[cfg(test)]
200mod tests {
201    use alloy_primitives::U256;
202    use chrono::{TimeZone, Utc};
203    use nautilus_core::UnixNanos;
204    use rstest::{fixture, rstest};
205    use ustr::Ustr;
206
207    use super::Block;
208    use crate::defi::{Blockchain, chain::chains, rpc::RpcNodeWssResponse};
209
210    #[fixture]
211    fn eth_rpc_block_response() -> String {
212        // https://etherscan.io/block/22294175
213        r#"{
214        "jsonrpc":"2.0",
215        "method":"eth_subscription",
216        "params":{
217            "subscription":"0xe06a2375238a4daa8ec823f585a0ef1e",
218            "result":{
219                "baseFeePerGas":"0x1862a795",
220                "blobGasUsed":"0xc0000",
221                "difficulty":"0x0",
222                "excessBlobGas":"0x4840000",
223                "extraData":"0x546974616e2028746974616e6275696c6465722e78797a29",
224                "gasLimit":"0x223b4a1",
225                "gasUsed":"0xde3909",
226                "hash":"0x71ece187051700b814592f62774e6ebd8ebdf5efbb54c90859a7d1522ce38e0a",
227                "miner":"0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97",
228                "mixHash":"0x43adbd4692459c8820b0913b0bc70e8a87bed2d40c395cc41059aa108a7cbe84",
229                "nonce":"0x0000000000000000",
230                "number":"0x1542e9f",
231                "parentBeaconBlockRoot":"0x58673bf001b31af805fb7634fbf3257dde41fbb6ae05c71799b09632d126b5c7",
232                "parentHash":"0x2abcce1ac985ebea2a2d6878a78387158f46de8d6db2cefca00ea36df4030a40",
233                "receiptsRoot":"0x35fead0b79338d4acbbc361014521d227874a1e02d24342ed3e84460df91f271",
234                "sha3Uncles":"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
235                "stateRoot":"0x99f29ee8ed6622c6a1520dca86e361029605f76d2e09aa7d3b1f9fc8b0268b13",
236                "timestamp":"0x6801f4bb",
237                "transactionsRoot":"0x9484b18d38886f25a44b465ad0136c792ef67dd5863b102cab2ab7a76bfb707d",
238                "withdrawalsRoot":"0x152f0040f4328639397494ef0d9c02d36c38b73f09588f304084e9f29662e9cb"
239            }
240         }
241      }"#.to_string()
242    }
243
244    #[fixture]
245    fn polygon_rpc_block_response() -> String {
246        // https://polygonscan.com/block/70453741
247        r#"{
248        "jsonrpc": "2.0",
249        "method": "eth_subscription",
250        "params": {
251            "subscription": "0x20f7c54c468149ed99648fd09268c903",
252            "result": {
253                "baseFeePerGas": "0x19e",
254                "difficulty": "0x18",
255                "gasLimit": "0x1c9c380",
256                "gasUsed": "0x1270f14",
257                "hash": "0x38ca655a2009e1748097f5559a0c20de7966243b804efeb53183614e4bebe199",
258                "miner": "0x0000000000000000000000000000000000000000",
259                "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
260                "nonce": "0x0000000000000000",
261                "number": "0x43309ed",
262                "parentHash": "0xf25e108267e3d6e1e4aaf4e329872273f2b1ad6186a4a22e370623aa8d021c50",
263                "receiptsRoot": "0xfffb93a991d15b9689536e59f20564cc49c254ec41a222d988abe58d2869968c",
264                "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
265                "stateRoot": "0xe66a9bc516bde8fc7b8c1ba0b95bfea0f4574fc6cfe95c68b7f8ab3d3158278d",
266                "timestamp": "0x680250d5",
267                "totalDifficulty": "0x505bd180",
268                "transactionsRoot": "0xd9ebc2fd5c7ce6f69ab2e427da495b0b0dff14386723b8c07b347449fd6293a6"
269            }
270          }
271      }"#.to_string()
272    }
273
274    #[fixture]
275    fn base_rpc_block_response() -> String {
276        r#"{
277        "jsonrpc":"2.0",
278        "method":"eth_subscription",
279        "params":{
280            "subscription":"0xeb7d715d93964e22b2d99192791ca984",
281            "result":{
282                "baseFeePerGas":"0xaae54",
283                "blobGasUsed":"0x0",
284                "difficulty":"0x0",
285                "excessBlobGas":"0x0",
286                "extraData":"0x00000000fa00000002",
287                "gasLimit":"0x7270e00",
288                "gasUsed":"0x56fce26",
289                "hash":"0x14575c65070d455e6d20d5ee17be124917a33ce4437dd8615a56d29e8279b7ad",
290                "logsBloom":"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",
291                "miner":"0x4200000000000000000000000000000000000011",
292                "mixHash":"0xeacd829463c5d21df523005d55f25a0ca20474f1310c5c7eb29ff2c479789e98",
293                "nonce":"0x0000000000000000",
294                "number":"0x1bca2ac",
295                "parentBeaconBlockRoot":"0xfe4c48425a274a6716c569dfa9c238551330fc39d295123b12bc2461e6f41834",
296                "parentHash":"0x9a6ad4ffb258faa47ecd5eea9e7a9d8fa1772aa6232bc7cb4bbad5bc30786258",
297                "receiptsRoot":"0x5fc932dd358c33f9327a704585c83aafbe0d25d12b62c1cd8282df8b328aac16",
298                "sha3Uncles":"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
299                "stateRoot":"0xd2d3a6a219fb155bfc5afbde11f3161f1051d931432ccf32c33affe54176bb18",
300                "timestamp":"0x6803a23b",
301                "transactionsRoot":"0x59726fb9afc101cd49199c70bbdbc28385f4defa02949cb6e20493e16035a59d",
302                "withdrawalsRoot":"0x56e81f171bcc55a6ff8345e692c0f86e5b48e01b996cadc001622fb5e363b421"
303            }
304        }
305      }"#.to_string()
306    }
307
308    #[fixture]
309    fn arbitrum_rpc_block_response() -> String {
310        // https://arbiscan.io/block/328014516
311        r#"{
312        "jsonrpc":"2.0",
313        "method":"eth_subscription",
314        "params":{
315            "subscription":"0x0c5a0b38096440ef9a30a84837cf2012",
316            "result":{
317                "baseFeePerGas":"0x989680",
318                "difficulty":"0x1",
319                "extraData":"0xc66cd959dcdc1baf028efb61140d4461629c53c9643296cbda1c40723e97283b",
320                "gasLimit":"0x4000000000000",
321                "gasUsed":"0x17af4",
322                "hash":"0x724a0af4720fd7624976f71b16163de25f8532e87d0e7058eb0c1d3f6da3c1f8",
323                "miner":"0xa4b000000000000000000073657175656e636572",
324                "mixHash":"0x0000000000023106000000000154528900000000000000200000000000000000",
325                "nonce":"0x00000000001daa7c",
326                "number":"0x138d1ab4",
327                "parentHash":"0xe7176e201c2db109be479770074ad11b979de90ac850432ed38ed335803861b6",
328                "receiptsRoot":"0xefb382e3a4e3169e57920fa2367fc81c98bbfbd13611f57767dee07d3b3f96d4",
329                "sha3Uncles":"0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
330                "stateRoot":"0x57e5475675abf1ec4c763369342e327a04321d17eeaa730a4ca20a9cafeee380",
331                "timestamp":"0x6803a606",
332                "totalDifficulty":"0x123a3d6c",
333                "transactionsRoot":"0x710b520177ecb31fa9092d16ee593b692070912b99ddd9fcf73eb4e9dd15193d"
334            }
335        }
336      }"#.to_string()
337    }
338
339    #[rstest]
340    fn test_block_set_chain() {
341        let mut block = Block::new(
342            "0x1234567890abcdef".to_string(),
343            "0xabcdef1234567890".to_string(),
344            12345,
345            Ustr::from("0x742E4422b21FB8B4dF463F28689AC98bD56c39e0"),
346            21000,
347            20000,
348            UnixNanos::from(1_640_995_200_000_000_000u64),
349            None,
350        );
351
352        assert!(block.chain.is_none());
353
354        let chain = Blockchain::Ethereum;
355        block.set_chain(chain);
356
357        assert_eq!(block.chain, Some(chain));
358    }
359
360    #[rstest]
361    fn test_ethereum_block_parsing(eth_rpc_block_response: String) {
362        let mut block =
363            match serde_json::from_str::<RpcNodeWssResponse<Block>>(&eth_rpc_block_response) {
364                Ok(rpc_response) => rpc_response.params.result,
365                Err(e) => panic!("Failed to deserialize block response with error {e}"),
366            };
367        block.set_chain(Blockchain::Ethereum);
368
369        assert_eq!(
370            block.to_string(),
371            "Block(chain=Ethereum, number=22294175, timestamp=2025-04-18T06:44:11+00:00, hash=0x71ece187051700b814592f62774e6ebd8ebdf5efbb54c90859a7d1522ce38e0a)".to_string(),
372        );
373        assert_eq!(
374            block.hash,
375            "0x71ece187051700b814592f62774e6ebd8ebdf5efbb54c90859a7d1522ce38e0a"
376        );
377        assert_eq!(
378            block.parent_hash,
379            "0x2abcce1ac985ebea2a2d6878a78387158f46de8d6db2cefca00ea36df4030a40"
380        );
381        assert_eq!(block.number, 22294175);
382        assert_eq!(block.miner, "0x4838b106fce9647bdf1e7877bf73ce8b0bad5f97");
383        // Timestamp of block is on Apr-18-2025 06:44:11 AM +UTC
384        assert_eq!(
385            block.timestamp,
386            UnixNanos::from(Utc.with_ymd_and_hms(2025, 4, 18, 6, 44, 11).unwrap())
387        );
388        assert_eq!(block.gas_used, 14563593);
389        assert_eq!(block.gas_limit, 35894433);
390
391        assert_eq!(block.base_fee_per_gas, Some(U256::from(0x1862a795u64)));
392        assert_eq!(block.blob_gas_used, Some(U256::from(0xc0000u64)));
393        assert_eq!(block.excess_blob_gas, Some(U256::from(0x4840000u64)));
394    }
395
396    #[rstest]
397    fn test_polygon_block_parsing(polygon_rpc_block_response: String) {
398        let mut block =
399            match serde_json::from_str::<RpcNodeWssResponse<Block>>(&polygon_rpc_block_response) {
400                Ok(rpc_response) => rpc_response.params.result,
401                Err(e) => panic!("Failed to deserialize block response with error {e}"),
402            };
403        block.set_chain(Blockchain::Polygon);
404
405        assert_eq!(
406            block.to_string(),
407            "Block(chain=Polygon, number=70453741, timestamp=2025-04-18T13:17:09+00:00, hash=0x38ca655a2009e1748097f5559a0c20de7966243b804efeb53183614e4bebe199)".to_string(),
408        );
409        assert_eq!(
410            block.hash,
411            "0x38ca655a2009e1748097f5559a0c20de7966243b804efeb53183614e4bebe199"
412        );
413        assert_eq!(
414            block.parent_hash,
415            "0xf25e108267e3d6e1e4aaf4e329872273f2b1ad6186a4a22e370623aa8d021c50"
416        );
417        assert_eq!(block.number, 70453741);
418        assert_eq!(block.miner, "0x0000000000000000000000000000000000000000");
419        // Timestamp of block is on Apr-18-2025 01:17:09 PM +UTC
420        assert_eq!(
421            block.timestamp,
422            UnixNanos::from(Utc.with_ymd_and_hms(2025, 4, 18, 13, 17, 9).unwrap())
423        );
424        assert_eq!(block.gas_used, 19336980);
425        assert_eq!(block.gas_limit, 30000000);
426        assert_eq!(block.base_fee_per_gas, Some(U256::from(0x19eu64)));
427        assert!(block.blob_gas_used.is_none()); // Not applicable on Polygon
428        assert!(block.excess_blob_gas.is_none()); // Not applicable on Polygon
429    }
430
431    #[rstest]
432    fn test_base_block_parsing(base_rpc_block_response: String) {
433        let mut block =
434            match serde_json::from_str::<RpcNodeWssResponse<Block>>(&base_rpc_block_response) {
435                Ok(rpc_response) => rpc_response.params.result,
436                Err(e) => panic!("Failed to deserialize block response with error {e}"),
437            };
438        block.set_chain(Blockchain::Base);
439
440        assert_eq!(
441            block.to_string(),
442            "Block(chain=Base, number=29139628, timestamp=2025-04-19T13:16:43+00:00, hash=0x14575c65070d455e6d20d5ee17be124917a33ce4437dd8615a56d29e8279b7ad)".to_string(),
443        );
444        assert_eq!(
445            block.hash,
446            "0x14575c65070d455e6d20d5ee17be124917a33ce4437dd8615a56d29e8279b7ad"
447        );
448        assert_eq!(
449            block.parent_hash,
450            "0x9a6ad4ffb258faa47ecd5eea9e7a9d8fa1772aa6232bc7cb4bbad5bc30786258"
451        );
452        assert_eq!(block.number, 29139628);
453        assert_eq!(block.miner, "0x4200000000000000000000000000000000000011");
454        // Timestamp of block is on Apr 19 2025 13:16:43 PM +UTC
455        assert_eq!(
456            block.timestamp,
457            UnixNanos::from(Utc.with_ymd_and_hms(2025, 4, 19, 13, 16, 43).unwrap())
458        );
459        assert_eq!(block.gas_used, 91213350);
460        assert_eq!(block.gas_limit, 120000000);
461
462        assert_eq!(block.base_fee_per_gas, Some(U256::from(0xaae54u64)));
463        assert_eq!(block.blob_gas_used, Some(U256::ZERO));
464        assert_eq!(block.excess_blob_gas, Some(U256::ZERO));
465    }
466
467    #[rstest]
468    fn test_arbitrum_block_parsing(arbitrum_rpc_block_response: String) {
469        let mut block =
470            match serde_json::from_str::<RpcNodeWssResponse<Block>>(&arbitrum_rpc_block_response) {
471                Ok(rpc_response) => rpc_response.params.result,
472                Err(e) => panic!("Failed to deserialize block response with error {e}"),
473            };
474        block.set_chain(Blockchain::Arbitrum);
475
476        assert_eq!(
477            block.to_string(),
478            "Block(chain=Arbitrum, number=328014516, timestamp=2025-04-19T13:32:54+00:00, hash=0x724a0af4720fd7624976f71b16163de25f8532e87d0e7058eb0c1d3f6da3c1f8)".to_string(),
479        );
480        assert_eq!(
481            block.hash,
482            "0x724a0af4720fd7624976f71b16163de25f8532e87d0e7058eb0c1d3f6da3c1f8"
483        );
484        assert_eq!(
485            block.parent_hash,
486            "0xe7176e201c2db109be479770074ad11b979de90ac850432ed38ed335803861b6"
487        );
488        assert_eq!(block.number, 328014516);
489        assert_eq!(block.miner, "0xa4b000000000000000000073657175656e636572");
490        // Timestamp of block is on Apr-19-2025 13:32:54 PM +UTC
491        assert_eq!(
492            block.timestamp,
493            UnixNanos::from(Utc.with_ymd_and_hms(2025, 4, 19, 13, 32, 54).unwrap())
494        );
495        assert_eq!(block.gas_used, 97012);
496        assert_eq!(block.gas_limit, 1125899906842624);
497
498        assert_eq!(block.base_fee_per_gas, Some(U256::from(0x989680u64)));
499        assert!(block.blob_gas_used.is_none());
500        assert!(block.excess_blob_gas.is_none());
501    }
502
503    #[rstest]
504    fn test_block_builder_helpers() {
505        let block = Block::new(
506            "0xabc".into(),
507            "0xdef".into(),
508            1,
509            Ustr::from("0x0000000000000000000000000000000000000000"),
510            100_000,
511            50_000,
512            UnixNanos::from(1_700_000_000u64),
513            Some(Blockchain::Arbitrum),
514        );
515
516        let block = block
517            .with_base_fee(U256::from(1_000u64))
518            .with_blob_gas(U256::from(0x10u8), U256::from(0x20u8))
519            .with_l1_fee_components(U256::from(30_000u64), 1_234, 1_000_000);
520
521        assert_eq!(block.chain, Some(chains::ARBITRUM.name));
522        assert_eq!(block.base_fee_per_gas, Some(U256::from(1_000u64)));
523        assert_eq!(block.blob_gas_used, Some(U256::from(0x10u8)));
524        assert_eq!(block.excess_blob_gas, Some(U256::from(0x20u8)));
525        assert_eq!(block.l1_gas_price, Some(U256::from(30_000u64)));
526        assert_eq!(block.l1_gas_used, Some(1_234));
527        assert_eq!(block.l1_fee_scalar, Some(1_000_000));
528    }
529}
nautilus_model/defi/data/block.rs

nautilus_model/defi/data/
block.rs
