ethrex_vm/backends/levm/
db.rs

1use ethrex_common::U256 as CoreU256;
2use ethrex_common::constants::EMPTY_KECCAK_HASH;
3use ethrex_common::types::{AccountState, Code, CodeMetadata};
4use ethrex_common::{Address as CoreAddress, H256 as CoreH256};
5use ethrex_levm::db::Database as LevmDatabase;
6
7use crate::VmDatabase;
8use crate::db::DynVmDatabase;
9use ethrex_levm::errors::DatabaseError;
10use std::collections::HashMap;
11use std::result::Result;
12use std::sync::{Arc, Mutex};
13
14#[derive(Clone)]
15pub struct DatabaseLogger {
16    pub block_hashes_accessed: Arc<Mutex<HashMap<u64, CoreH256>>>,
17    pub state_accessed: Arc<Mutex<HashMap<CoreAddress, Vec<CoreH256>>>>,
18    pub code_accessed: Arc<Mutex<Vec<CoreH256>>>,
19    pub store: Arc<dyn LevmDatabase>,
20}
21
22impl DatabaseLogger {
23    pub fn new(store: Arc<dyn LevmDatabase>) -> Self {
24        Self {
25            block_hashes_accessed: Arc::new(Mutex::new(HashMap::new())),
26            state_accessed: Arc::new(Mutex::new(HashMap::new())),
27            code_accessed: Arc::new(Mutex::new(vec![])),
28            store,
29        }
30    }
31}
32
33impl LevmDatabase for DatabaseLogger {
34    fn get_account_state(&self, address: CoreAddress) -> Result<AccountState, DatabaseError> {
35        self.state_accessed
36            .lock()
37            .map_err(|_| DatabaseError::Custom("Could not lock mutex".to_string()))?
38            .entry(address)
39            .or_default();
40        let state = self.store.as_ref().get_account_state(address)?;
41        Ok(state)
42    }
43
44    fn get_storage_value(
45        &self,
46        address: CoreAddress,
47        key: CoreH256,
48    ) -> Result<CoreU256, DatabaseError> {
49        self.state_accessed
50            .lock()
51            .map_err(|_| DatabaseError::Custom("Could not lock mutex".to_string()))?
52            .entry(address)
53            .and_modify(|keys| keys.push(key))
54            .or_insert(vec![key]);
55        self.store.as_ref().get_storage_value(address, key)
56    }
57
58    fn get_block_hash(&self, block_number: u64) -> Result<CoreH256, DatabaseError> {
59        let block_hash = self.store.as_ref().get_block_hash(block_number)?;
60        self.block_hashes_accessed
61            .lock()
62            .map_err(|_| DatabaseError::Custom("Could not lock mutex".to_string()))?
63            .insert(block_number, block_hash);
64        Ok(block_hash)
65    }
66
67    fn get_chain_config(&self) -> Result<ethrex_common::types::ChainConfig, DatabaseError> {
68        self.store.as_ref().get_chain_config()
69    }
70
71    fn get_account_code(&self, code_hash: CoreH256) -> Result<Code, DatabaseError> {
72        if code_hash != *EMPTY_KECCAK_HASH {
73            let mut code_accessed = self
74                .code_accessed
75                .lock()
76                .map_err(|_| DatabaseError::Custom("Could not lock mutex".to_string()))?;
77            code_accessed.push(code_hash);
78        }
79        self.store.as_ref().get_account_code(code_hash)
80    }
81
82    fn get_code_metadata(&self, code_hash: CoreH256) -> Result<CodeMetadata, DatabaseError> {
83        self.store.get_code_metadata(code_hash)
84    }
85}
86
87impl LevmDatabase for DynVmDatabase {
88    fn get_account_state(&self, address: CoreAddress) -> Result<AccountState, DatabaseError> {
89        let acc_state = <dyn VmDatabase>::get_account_state(self.as_ref(), address)
90            .map_err(|e| DatabaseError::Custom(e.to_string()))?
91            .unwrap_or_default();
92
93        Ok(acc_state)
94    }
95
96    fn get_storage_value(
97        &self,
98        address: CoreAddress,
99        key: CoreH256,
100    ) -> Result<ethrex_common::U256, DatabaseError> {
101        Ok(
102            <dyn VmDatabase>::get_storage_slot(self.as_ref(), address, key)
103                .map_err(|e| DatabaseError::Custom(e.to_string()))?
104                .unwrap_or_default(),
105        )
106    }
107
108    fn get_block_hash(&self, block_number: u64) -> Result<CoreH256, DatabaseError> {
109        <dyn VmDatabase>::get_block_hash(self.as_ref(), block_number)
110            .map_err(|e| DatabaseError::Custom(e.to_string()))
111    }
112
113    fn get_chain_config(&self) -> Result<ethrex_common::types::ChainConfig, DatabaseError> {
114        <dyn VmDatabase>::get_chain_config(self.as_ref())
115            .map_err(|e| DatabaseError::Custom(e.to_string()))
116    }
117
118    fn get_account_code(&self, code_hash: CoreH256) -> Result<Code, DatabaseError> {
119        <dyn VmDatabase>::get_account_code(self.as_ref(), code_hash)
120            .map_err(|e| DatabaseError::Custom(e.to_string()))
121    }
122
123    fn get_code_metadata(&self, code_hash: CoreH256) -> Result<CodeMetadata, DatabaseError> {
124        <dyn VmDatabase>::get_code_metadata(self.as_ref(), code_hash)
125            .map_err(|e| DatabaseError::Custom(e.to_string()))
126    }
127}
ethrex_vm/backends/levm/db.rs

ethrex_vm/backends/levm/
db.rs
