anvil/eth/backend/
db.rs

1//! Helper types for working with [revm](foundry_evm::revm)
2
3use std::{
4    collections::BTreeMap,
5    fmt::{self, Debug},
6    path::Path,
7};
8
9use alloy_consensus::Header;
10use alloy_primitives::{Address, B256, Bytes, U256, keccak256, map::HashMap};
11use alloy_rpc_types::BlockId;
12use anvil_core::eth::{
13    block::Block,
14    transaction::{MaybeImpersonatedTransaction, TransactionInfo, TypedReceipt, TypedTransaction},
15};
16use foundry_common::errors::FsPathError;
17use foundry_evm::backend::{
18    BlockchainDb, DatabaseError, DatabaseResult, MemDb, RevertStateSnapshotAction, StateSnapshot,
19};
20use revm::{
21    Database, DatabaseCommit,
22    bytecode::Bytecode,
23    context::BlockEnv,
24    context_interface::block::BlobExcessGasAndPrice,
25    database::{CacheDB, DatabaseRef, DbAccount},
26    primitives::{KECCAK_EMPTY, eip4844::BLOB_BASE_FEE_UPDATE_FRACTION_PRAGUE},
27    state::AccountInfo,
28};
29use serde::{
30    Deserialize, Deserializer, Serialize,
31    de::{Error as DeError, MapAccess, Visitor},
32};
33use serde_json::Value;
34
35use crate::mem::storage::MinedTransaction;
36
37/// Helper trait get access to the full state data of the database
38pub trait MaybeFullDatabase: DatabaseRef<Error = DatabaseError> + Debug {
39    fn maybe_as_full_db(&self) -> Option<&HashMap<Address, DbAccount>> {
40        None
41    }
42
43    /// Clear the state and move it into a new `StateSnapshot`.
44    fn clear_into_state_snapshot(&mut self) -> StateSnapshot;
45
46    /// Read the state snapshot.
47    ///
48    /// This clones all the states and returns a new `StateSnapshot`.
49    fn read_as_state_snapshot(&self) -> StateSnapshot;
50
51    /// Clears the entire database
52    fn clear(&mut self);
53
54    /// Reverses `clear_into_snapshot` by initializing the db's state with the state snapshot.
55    fn init_from_state_snapshot(&mut self, state_snapshot: StateSnapshot);
56}
57
58impl<'a, T: 'a + MaybeFullDatabase + ?Sized> MaybeFullDatabase for &'a T
59where
60    &'a T: DatabaseRef<Error = DatabaseError>,
61{
62    fn maybe_as_full_db(&self) -> Option<&HashMap<Address, DbAccount>> {
63        T::maybe_as_full_db(self)
64    }
65
66    fn clear_into_state_snapshot(&mut self) -> StateSnapshot {
67        unreachable!("never called for DatabaseRef")
68    }
69
70    fn read_as_state_snapshot(&self) -> StateSnapshot {
71        unreachable!("never called for DatabaseRef")
72    }
73
74    fn clear(&mut self) {}
75
76    fn init_from_state_snapshot(&mut self, _state_snapshot: StateSnapshot) {}
77}
78
79/// Helper trait to reset the DB if it's forked
80pub trait MaybeForkedDatabase {
81    fn maybe_reset(&mut self, _url: Option<String>, block_number: BlockId) -> Result<(), String>;
82
83    fn maybe_flush_cache(&self) -> Result<(), String>;
84
85    fn maybe_inner(&self) -> Result<&BlockchainDb, String>;
86}
87
88/// This bundles all required revm traits
89pub trait Db:
90    DatabaseRef<Error = DatabaseError>
91    + Database<Error = DatabaseError>
92    + DatabaseCommit
93    + MaybeFullDatabase
94    + MaybeForkedDatabase
95    + fmt::Debug
96    + Send
97    + Sync
98{
99    /// Inserts an account
100    fn insert_account(&mut self, address: Address, account: AccountInfo);
101
102    /// Sets the nonce of the given address
103    fn set_nonce(&mut self, address: Address, nonce: u64) -> DatabaseResult<()> {
104        let mut info = self.basic(address)?.unwrap_or_default();
105        info.nonce = nonce;
106        self.insert_account(address, info);
107        Ok(())
108    }
109
110    /// Sets the balance of the given address
111    fn set_balance(&mut self, address: Address, balance: U256) -> DatabaseResult<()> {
112        let mut info = self.basic(address)?.unwrap_or_default();
113        info.balance = balance;
114        self.insert_account(address, info);
115        Ok(())
116    }
117
118    /// Sets the code of the given address
119    fn set_code(&mut self, address: Address, code: Bytes) -> DatabaseResult<()> {
120        let mut info = self.basic(address)?.unwrap_or_default();
121        let code_hash = if code.as_ref().is_empty() {
122            KECCAK_EMPTY
123        } else {
124            B256::from_slice(&keccak256(code.as_ref())[..])
125        };
126        info.code_hash = code_hash;
127        info.code = Some(Bytecode::new_raw(alloy_primitives::Bytes(code.0)));
128        self.insert_account(address, info);
129        Ok(())
130    }
131
132    /// Sets the storage value at the given slot for the address
133    fn set_storage_at(&mut self, address: Address, slot: B256, val: B256) -> DatabaseResult<()>;
134
135    /// inserts a blockhash for the given number
136    fn insert_block_hash(&mut self, number: U256, hash: B256);
137
138    /// Write all chain data to serialized bytes buffer
139    fn dump_state(
140        &self,
141        at: BlockEnv,
142        best_number: u64,
143        blocks: Vec<SerializableBlock>,
144        transactions: Vec<SerializableTransaction>,
145        historical_states: Option<SerializableHistoricalStates>,
146    ) -> DatabaseResult<Option<SerializableState>>;
147
148    /// Deserialize and add all chain data to the backend storage
149    fn load_state(&mut self, state: SerializableState) -> DatabaseResult<bool> {
150        for (addr, account) in state.accounts.into_iter() {
151            let old_account_nonce = DatabaseRef::basic_ref(self, addr)
152                .ok()
153                .and_then(|acc| acc.map(|acc| acc.nonce))
154                .unwrap_or_default();
155            // use max nonce in case account is imported multiple times with difference
156            // nonces to prevent collisions
157            let nonce = std::cmp::max(old_account_nonce, account.nonce);
158
159            self.insert_account(
160                addr,
161                AccountInfo {
162                    balance: account.balance,
163                    code_hash: KECCAK_EMPTY, // will be set automatically
164                    code: if account.code.0.is_empty() {
165                        None
166                    } else {
167                        Some(Bytecode::new_raw(alloy_primitives::Bytes(account.code.0)))
168                    },
169                    nonce,
170                },
171            );
172
173            for (k, v) in account.storage.into_iter() {
174                self.set_storage_at(addr, k, v)?;
175            }
176        }
177        Ok(true)
178    }
179
180    /// Creates a new state snapshot.
181    fn snapshot_state(&mut self) -> U256;
182
183    /// Reverts a state snapshot.
184    ///
185    /// Returns `true` if the state snapshot was reverted.
186    fn revert_state(&mut self, state_snapshot: U256, action: RevertStateSnapshotAction) -> bool;
187
188    /// Returns the state root if possible to compute
189    fn maybe_state_root(&self) -> Option<B256> {
190        None
191    }
192
193    /// Returns the current, standalone state of the Db
194    fn current_state(&self) -> StateDb;
195}
196
197/// Convenience impl only used to use any `Db` on the fly as the db layer for revm's CacheDB
198/// This is useful to create blocks without actually writing to the `Db`, but rather in the cache of
199/// the `CacheDB` see also
200/// [Backend::pending_block()](crate::eth::backend::mem::Backend::pending_block())
201impl<T: DatabaseRef<Error = DatabaseError> + Send + Sync + Clone + fmt::Debug> Db for CacheDB<T> {
202    fn insert_account(&mut self, address: Address, account: AccountInfo) {
203        self.insert_account_info(address, account)
204    }
205
206    fn set_storage_at(&mut self, address: Address, slot: B256, val: B256) -> DatabaseResult<()> {
207        self.insert_account_storage(address, slot.into(), val.into())
208    }
209
210    fn insert_block_hash(&mut self, number: U256, hash: B256) {
211        self.cache.block_hashes.insert(number, hash);
212    }
213
214    fn dump_state(
215        &self,
216        _at: BlockEnv,
217        _best_number: u64,
218        _blocks: Vec<SerializableBlock>,
219        _transaction: Vec<SerializableTransaction>,
220        _historical_states: Option<SerializableHistoricalStates>,
221    ) -> DatabaseResult<Option<SerializableState>> {
222        Ok(None)
223    }
224
225    fn snapshot_state(&mut self) -> U256 {
226        U256::ZERO
227    }
228
229    fn revert_state(&mut self, _state_snapshot: U256, _action: RevertStateSnapshotAction) -> bool {
230        false
231    }
232
233    fn current_state(&self) -> StateDb {
234        StateDb::new(MemDb::default())
235    }
236}
237
238impl<T: DatabaseRef<Error = DatabaseError> + Debug> MaybeFullDatabase for CacheDB<T> {
239    fn maybe_as_full_db(&self) -> Option<&HashMap<Address, DbAccount>> {
240        Some(&self.cache.accounts)
241    }
242
243    fn clear_into_state_snapshot(&mut self) -> StateSnapshot {
244        let db_accounts = std::mem::take(&mut self.cache.accounts);
245        let mut accounts = HashMap::default();
246        let mut account_storage = HashMap::default();
247
248        for (addr, mut acc) in db_accounts {
249            account_storage.insert(addr, std::mem::take(&mut acc.storage));
250            let mut info = acc.info;
251            info.code = self.cache.contracts.remove(&info.code_hash);
252            accounts.insert(addr, info);
253        }
254        let block_hashes = std::mem::take(&mut self.cache.block_hashes);
255        StateSnapshot { accounts, storage: account_storage, block_hashes }
256    }
257
258    fn read_as_state_snapshot(&self) -> StateSnapshot {
259        let db_accounts = self.cache.accounts.clone();
260        let mut accounts = HashMap::default();
261        let mut account_storage = HashMap::default();
262
263        for (addr, acc) in db_accounts {
264            account_storage.insert(addr, acc.storage.clone());
265            let mut info = acc.info;
266            info.code = self.cache.contracts.get(&info.code_hash).cloned();
267            accounts.insert(addr, info);
268        }
269
270        let block_hashes = self.cache.block_hashes.clone();
271        StateSnapshot { accounts, storage: account_storage, block_hashes }
272    }
273
274    fn clear(&mut self) {
275        self.clear_into_state_snapshot();
276    }
277
278    fn init_from_state_snapshot(&mut self, state_snapshot: StateSnapshot) {
279        let StateSnapshot { accounts, mut storage, block_hashes } = state_snapshot;
280
281        for (addr, mut acc) in accounts {
282            if let Some(code) = acc.code.take() {
283                self.cache.contracts.insert(acc.code_hash, code);
284            }
285            self.cache.accounts.insert(
286                addr,
287                DbAccount {
288                    info: acc,
289                    storage: storage.remove(&addr).unwrap_or_default(),
290                    ..Default::default()
291                },
292            );
293        }
294        self.cache.block_hashes = block_hashes;
295    }
296}
297
298impl<T: DatabaseRef<Error = DatabaseError>> MaybeForkedDatabase for CacheDB<T> {
299    fn maybe_reset(&mut self, _url: Option<String>, _block_number: BlockId) -> Result<(), String> {
300        Err("not supported".to_string())
301    }
302
303    fn maybe_flush_cache(&self) -> Result<(), String> {
304        Err("not supported".to_string())
305    }
306
307    fn maybe_inner(&self) -> Result<&BlockchainDb, String> {
308        Err("not supported".to_string())
309    }
310}
311
312/// Represents a state at certain point
313#[derive(Debug)]
314pub struct StateDb(pub(crate) Box<dyn MaybeFullDatabase + Send + Sync>);
315
316impl StateDb {
317    pub fn new(db: impl MaybeFullDatabase + Send + Sync + 'static) -> Self {
318        Self(Box::new(db))
319    }
320
321    pub fn serialize_state(&mut self) -> StateSnapshot {
322        // Using read_as_snapshot makes sures we don't clear the historical state from the current
323        // instance.
324        self.read_as_state_snapshot()
325    }
326}
327
328impl DatabaseRef for StateDb {
329    type Error = DatabaseError;
330    fn basic_ref(&self, address: Address) -> DatabaseResult<Option<AccountInfo>> {
331        self.0.basic_ref(address)
332    }
333
334    fn code_by_hash_ref(&self, code_hash: B256) -> DatabaseResult<Bytecode> {
335        self.0.code_by_hash_ref(code_hash)
336    }
337
338    fn storage_ref(&self, address: Address, index: U256) -> DatabaseResult<U256> {
339        self.0.storage_ref(address, index)
340    }
341
342    fn block_hash_ref(&self, number: u64) -> DatabaseResult<B256> {
343        self.0.block_hash_ref(number)
344    }
345}
346
347impl MaybeFullDatabase for StateDb {
348    fn maybe_as_full_db(&self) -> Option<&HashMap<Address, DbAccount>> {
349        self.0.maybe_as_full_db()
350    }
351
352    fn clear_into_state_snapshot(&mut self) -> StateSnapshot {
353        self.0.clear_into_state_snapshot()
354    }
355
356    fn read_as_state_snapshot(&self) -> StateSnapshot {
357        self.0.read_as_state_snapshot()
358    }
359
360    fn clear(&mut self) {
361        self.0.clear()
362    }
363
364    fn init_from_state_snapshot(&mut self, state_snapshot: StateSnapshot) {
365        self.0.init_from_state_snapshot(state_snapshot)
366    }
367}
368
369/// Legacy block environment from before v1.3.
370#[derive(Debug, Deserialize)]
371#[serde(rename_all = "snake_case")]
372pub struct LegacyBlockEnv {
373    pub number: Option<StringOrU64>,
374    #[serde(alias = "coinbase")]
375    pub beneficiary: Option<Address>,
376    pub timestamp: Option<StringOrU64>,
377    pub gas_limit: Option<StringOrU64>,
378    pub basefee: Option<StringOrU64>,
379    pub difficulty: Option<StringOrU64>,
380    pub prevrandao: Option<B256>,
381    pub blob_excess_gas_and_price: Option<LegacyBlobExcessGasAndPrice>,
382}
383
384/// Legacy blob excess gas and price structure from before v1.3.
385#[derive(Debug, Deserialize)]
386pub struct LegacyBlobExcessGasAndPrice {
387    pub excess_blob_gas: u64,
388    pub blob_gasprice: u64,
389}
390
391/// Legacy string or u64 type from before v1.3.
392#[derive(Debug, Deserialize)]
393#[serde(untagged)]
394pub enum StringOrU64 {
395    Hex(String),
396    Dec(u64),
397}
398
399impl StringOrU64 {
400    pub fn to_u64(&self) -> Option<u64> {
401        match self {
402            Self::Dec(n) => Some(*n),
403            Self::Hex(s) => s.strip_prefix("0x").and_then(|s| u64::from_str_radix(s, 16).ok()),
404        }
405    }
406
407    pub fn to_u256(&self) -> Option<U256> {
408        match self {
409            Self::Dec(n) => Some(U256::from(*n)),
410            Self::Hex(s) => s.strip_prefix("0x").and_then(|s| U256::from_str_radix(s, 16).ok()),
411        }
412    }
413}
414
415/// Converts a `LegacyBlockEnv` to a `BlockEnv`, handling the conversion of legacy fields.
416impl TryFrom<LegacyBlockEnv> for BlockEnv {
417    type Error = &'static str;
418
419    fn try_from(legacy: LegacyBlockEnv) -> Result<Self, Self::Error> {
420        Ok(Self {
421            number: legacy.number.and_then(|v| v.to_u256()).unwrap_or(U256::ZERO),
422            beneficiary: legacy.beneficiary.unwrap_or(Address::ZERO),
423            timestamp: legacy.timestamp.and_then(|v| v.to_u256()).unwrap_or(U256::ONE),
424            gas_limit: legacy.gas_limit.and_then(|v| v.to_u64()).unwrap_or(u64::MAX),
425            basefee: legacy.basefee.and_then(|v| v.to_u64()).unwrap_or(0),
426            difficulty: legacy.difficulty.and_then(|v| v.to_u256()).unwrap_or(U256::ZERO),
427            prevrandao: legacy.prevrandao.or(Some(B256::ZERO)),
428            blob_excess_gas_and_price: legacy
429                .blob_excess_gas_and_price
430                .map(|v| BlobExcessGasAndPrice::new(v.excess_blob_gas, v.blob_gasprice))
431                .or_else(|| {
432                    Some(BlobExcessGasAndPrice::new(0, BLOB_BASE_FEE_UPDATE_FRACTION_PRAGUE))
433                }),
434        })
435    }
436}
437
438/// Custom deserializer for `BlockEnv` that handles both v1.2 and v1.3+ formats.
439fn deserialize_block_env_compat<'de, D>(deserializer: D) -> Result<Option<BlockEnv>, D::Error>
440where
441    D: Deserializer<'de>,
442{
443    let value: Option<Value> = Option::deserialize(deserializer)?;
444    let Some(value) = value else {
445        return Ok(None);
446    };
447
448    if let Ok(env) = BlockEnv::deserialize(&value) {
449        return Ok(Some(env));
450    }
451
452    let legacy: LegacyBlockEnv = serde_json::from_value(value).map_err(|e| {
453        D::Error::custom(format!("Legacy deserialization of `BlockEnv` failed: {e}"))
454    })?;
455
456    Ok(Some(BlockEnv::try_from(legacy).map_err(D::Error::custom)?))
457}
458
459/// Custom deserializer for `best_block_number` that handles both v1.2 and v1.3+ formats.
460fn deserialize_best_block_number_compat<'de, D>(deserializer: D) -> Result<Option<u64>, D::Error>
461where
462    D: Deserializer<'de>,
463{
464    let value: Option<Value> = Option::deserialize(deserializer)?;
465    let Some(value) = value else {
466        return Ok(None);
467    };
468
469    let number = match value {
470        Value::Number(n) => n.as_u64(),
471        Value::String(s) => {
472            if let Some(s) = s.strip_prefix("0x") {
473                u64::from_str_radix(s, 16).ok()
474            } else {
475                s.parse().ok()
476            }
477        }
478        _ => None,
479    };
480
481    Ok(number)
482}
483
484#[derive(Clone, Debug, Default, Serialize, Deserialize)]
485pub struct SerializableState {
486    /// The block number of the state
487    ///
488    /// Note: This is an Option for backwards compatibility: <https://github.com/foundry-rs/foundry/issues/5460>
489    #[serde(deserialize_with = "deserialize_block_env_compat")]
490    pub block: Option<BlockEnv>,
491    pub accounts: BTreeMap<Address, SerializableAccountRecord>,
492    /// The best block number of the state, can be different from block number (Arbitrum chain).
493    #[serde(deserialize_with = "deserialize_best_block_number_compat")]
494    pub best_block_number: Option<u64>,
495    #[serde(default)]
496    pub blocks: Vec<SerializableBlock>,
497    #[serde(default)]
498    pub transactions: Vec<SerializableTransaction>,
499    /// Historical states of accounts and storage at particular block hashes.
500    ///
501    /// Note: This is an Option for backwards compatibility.
502    #[serde(default)]
503    pub historical_states: Option<SerializableHistoricalStates>,
504}
505
506impl SerializableState {
507    /// Loads the `Genesis` object from the given json file path
508    pub fn load(path: impl AsRef<Path>) -> Result<Self, FsPathError> {
509        let path = path.as_ref();
510        if path.is_dir() {
511            foundry_common::fs::read_json_file(&path.join("state.json"))
512        } else {
513            foundry_common::fs::read_json_file(path)
514        }
515    }
516
517    /// This is used as the clap `value_parser` implementation
518    #[allow(dead_code)]
519    pub(crate) fn parse(path: &str) -> Result<Self, String> {
520        Self::load(path).map_err(|err| err.to_string())
521    }
522}
523
524#[derive(Clone, Debug, Serialize, Deserialize)]
525pub struct SerializableAccountRecord {
526    pub nonce: u64,
527    pub balance: U256,
528    pub code: Bytes,
529
530    #[serde(deserialize_with = "deserialize_btree")]
531    pub storage: BTreeMap<B256, B256>,
532}
533
534fn deserialize_btree<'de, D>(deserializer: D) -> Result<BTreeMap<B256, B256>, D::Error>
535where
536    D: Deserializer<'de>,
537{
538    struct BTreeVisitor;
539
540    impl<'de> Visitor<'de> for BTreeVisitor {
541        type Value = BTreeMap<B256, B256>;
542
543        fn expecting(&self, formatter: &mut fmt::Formatter<'_>) -> fmt::Result {
544            formatter.write_str("a mapping of hex encoded storage slots to hex encoded state data")
545        }
546
547        fn visit_map<M>(self, mut mapping: M) -> Result<BTreeMap<B256, B256>, M::Error>
548        where
549            M: MapAccess<'de>,
550        {
551            let mut btree = BTreeMap::new();
552            while let Some((key, value)) = mapping.next_entry::<U256, U256>()? {
553                btree.insert(B256::from(key), B256::from(value));
554            }
555
556            Ok(btree)
557        }
558    }
559
560    deserializer.deserialize_map(BTreeVisitor)
561}
562
563/// Defines a backwards-compatible enum for transactions.
564/// This is essential for maintaining compatibility with state dumps
565/// created before the changes introduced in PR #8411.
566///
567/// The enum can represent either a `TypedTransaction` or a `MaybeImpersonatedTransaction`,
568/// depending on the data being deserialized. This flexibility ensures that older state
569/// dumps can still be loaded correctly, even after the changes in #8411.
570#[derive(Clone, Debug, Serialize, Deserialize)]
571#[serde(untagged)]
572pub enum SerializableTransactionType {
573    TypedTransaction(TypedTransaction),
574    MaybeImpersonatedTransaction(MaybeImpersonatedTransaction),
575}
576
577#[derive(Clone, Debug, Serialize, Deserialize)]
578pub struct SerializableBlock {
579    pub header: Header,
580    pub transactions: Vec<SerializableTransactionType>,
581    pub ommers: Vec<Header>,
582}
583
584impl From<Block> for SerializableBlock {
585    fn from(block: Block) -> Self {
586        Self {
587            header: block.header,
588            transactions: block.transactions.into_iter().map(Into::into).collect(),
589            ommers: block.ommers.into_iter().collect(),
590        }
591    }
592}
593
594impl From<SerializableBlock> for Block {
595    fn from(block: SerializableBlock) -> Self {
596        Self {
597            header: block.header,
598            transactions: block.transactions.into_iter().map(Into::into).collect(),
599            ommers: block.ommers.into_iter().collect(),
600        }
601    }
602}
603
604impl From<MaybeImpersonatedTransaction> for SerializableTransactionType {
605    fn from(transaction: MaybeImpersonatedTransaction) -> Self {
606        Self::MaybeImpersonatedTransaction(transaction)
607    }
608}
609
610impl From<SerializableTransactionType> for MaybeImpersonatedTransaction {
611    fn from(transaction: SerializableTransactionType) -> Self {
612        match transaction {
613            SerializableTransactionType::TypedTransaction(tx) => Self::new(tx),
614            SerializableTransactionType::MaybeImpersonatedTransaction(tx) => tx,
615        }
616    }
617}
618
619#[derive(Clone, Debug, Serialize, Deserialize)]
620pub struct SerializableTransaction {
621    pub info: TransactionInfo,
622    pub receipt: TypedReceipt,
623    pub block_hash: B256,
624    pub block_number: u64,
625}
626
627impl From<MinedTransaction> for SerializableTransaction {
628    fn from(transaction: MinedTransaction) -> Self {
629        Self {
630            info: transaction.info,
631            receipt: transaction.receipt,
632            block_hash: transaction.block_hash,
633            block_number: transaction.block_number,
634        }
635    }
636}
637
638impl From<SerializableTransaction> for MinedTransaction {
639    fn from(transaction: SerializableTransaction) -> Self {
640        Self {
641            info: transaction.info,
642            receipt: transaction.receipt,
643            block_hash: transaction.block_hash,
644            block_number: transaction.block_number,
645        }
646    }
647}
648
649#[derive(Clone, Debug, Serialize, Deserialize, Default)]
650pub struct SerializableHistoricalStates(Vec<(B256, StateSnapshot)>);
651
652impl SerializableHistoricalStates {
653    pub const fn new(states: Vec<(B256, StateSnapshot)>) -> Self {
654        Self(states)
655    }
656}
657
658impl IntoIterator for SerializableHistoricalStates {
659    type Item = (B256, StateSnapshot);
660    type IntoIter = std::vec::IntoIter<Self::Item>;
661
662    fn into_iter(self) -> Self::IntoIter {
663        self.0.into_iter()
664    }
665}
666
667#[cfg(test)]
668mod test {
669    use super::*;
670
671    #[test]
672    fn test_deser_block() {
673        let block = r#"{
674            "header": {
675                "parentHash": "0xceb0fe420d6f14a8eeec4319515b89acbb0bb4861cad9983d529ab4b1e4af929",
676                "sha3Uncles": "0x1dcc4de8dec75d7aab85b567b6ccd41ad312451b948a7413f0a142fd40d49347",
677                "miner": "0x0000000000000000000000000000000000000000",
678                "stateRoot": "0xe1423fd180478ab4fd05a7103277d64496b15eb914ecafe71eeec871b552efd1",
679                "transactionsRoot": "0x2b5598ef261e5f88e4303bb2b3986b3d5c0ebf4cd9977daebccae82a6469b988",
680                "receiptsRoot": "0xf78dfb743fbd92ade140711c8bbc542b5e307f0ab7984eff35d751969fe57efa",
681                "logsBloom": "0x00000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000",
682                "difficulty": "0x0",
683                "number": "0x2",
684                "gasLimit": "0x1c9c380",
685                "gasUsed": "0x5208",
686                "timestamp": "0x66cdc823",
687                "mixHash": "0x0000000000000000000000000000000000000000000000000000000000000000",
688                "nonce": "0x0000000000000000",
689                "baseFeePerGas": "0x342a1c58",
690                "blobGasUsed": "0x0",
691                "excessBlobGas": "0x0",
692                "extraData": "0x"
693            },
694            "transactions": [
695                {
696                    "EIP1559": {
697                        "chainId": "0x7a69",
698                        "nonce": "0x0",
699                        "gas": "0x5209",
700                        "maxFeePerGas": "0x77359401",
701                        "maxPriorityFeePerGas": "0x1",
702                        "to": "0xf39fd6e51aad88f6f4ce6ab8827279cfffb92266",
703                        "value": "0x0",
704                        "accessList": [],
705                        "input": "0x",
706                        "r": "0x85c2794a580da137e24ccc823b45ae5cea99371ae23ee13860fcc6935f8305b0",
707                        "s": "0x41de7fa4121dab284af4453d30928241208bafa90cdb701fe9bc7054759fe3cd",
708                        "yParity": "0x0",
709                        "hash": "0x8c9b68e8947ace33028dba167354fde369ed7bbe34911b772d09b3c64b861515"
710                    }
711                }
712            ],
713            "ommers": []
714        }
715        "#;
716
717        let _block: SerializableBlock = serde_json::from_str(block).unwrap();
718    }
719}