Enum revm::JournalEntry
source · pub enum JournalEntry {
AccountLoaded {
address: Address,
},
AccountDestroyed {
address: Address,
target: Address,
was_destroyed: bool,
had_balance: U256,
},
AccountTouched {
address: Address,
},
BalanceTransfer {
from: Address,
to: Address,
balance: U256,
},
NonceChange {
address: Address,
},
AccountCreated {
address: Address,
},
StorageChange {
address: Address,
key: U256,
had_value: Option<U256>,
},
TransientStorageChange {
address: Address,
key: U256,
had_value: U256,
},
CodeChange {
address: Address,
},
}
Expand description
Journal entries that are used to track changes to the state and are used to revert it.
Variants§
AccountLoaded
Used to mark account that is warm inside EVM in regards to EIP-2929 AccessList. Action: We will add Account to state. Revert: we will remove account from state.
AccountDestroyed
Mark account to be destroyed and journal balance to be reverted Action: Mark account and transfer the balance Revert: Unmark the account and transfer balance back
AccountTouched
Loading account does not mean that account will need to be added to MerkleTree (touched). Only when account is called (to execute contract or transfer balance) only then account is made touched. Action: Mark account touched Revert: Unmark account touched
BalanceTransfer
Transfer balance between two accounts Action: Transfer balance Revert: Transfer balance back
NonceChange
Increment nonce Action: Increment nonce by one Revert: Decrement nonce by one
AccountCreated
Create account: Actions: Mark account as created Revert: Unmart account as created and reset nonce to zero.
StorageChange
It is used to track both storage change and warm load of storage slot. For warm load in regard to EIP-2929 AccessList had_value will be None Action: Storage change or warm load Revert: Revert to previous value or remove slot from storage
TransientStorageChange
It is used to track an EIP-1153 transient storage change. Action: Transient storage changed. Revert: Revert to previous value.
CodeChange
Code changed Action: Account code changed Revert: Revert to previous bytecode.
Trait Implementations§
source§impl Clone for JournalEntry
impl Clone for JournalEntry
source§fn clone(&self) -> JournalEntry
fn clone(&self) -> JournalEntry
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
source
. Read moresource§impl Debug for JournalEntry
impl Debug for JournalEntry
source§impl<'de> Deserialize<'de> for JournalEntry
impl<'de> Deserialize<'de> for JournalEntry
source§fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>where
__D: Deserializer<'de>,
source§impl Hash for JournalEntry
impl Hash for JournalEntry
source§impl PartialEq for JournalEntry
impl PartialEq for JournalEntry
source§fn eq(&self, other: &JournalEntry) -> bool
fn eq(&self, other: &JournalEntry) -> bool
self
and other
values to be equal, and is used
by ==
.source§impl Serialize for JournalEntry
impl Serialize for JournalEntry
impl Eq for JournalEntry
impl StructuralPartialEq for JournalEntry
Auto Trait Implementations§
impl Freeze for JournalEntry
impl RefUnwindSafe for JournalEntry
impl Send for JournalEntry
impl Sync for JournalEntry
impl Unpin for JournalEntry
impl UnwindSafe for JournalEntry
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