Enum JournalEntry

pub enum JournalEntry {
    AccountWarmed {
        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,
    },
    StorageChanged {
        address: Address,
        key: U256,
        had_value: U256,
    },
    StorageWarmed {
        address: Address,
        key: U256,
    },
    TransientStorageChange {
        address: Address,
        key: U256,
        had_value: U256,
    },
    CodeChange {
        address: Address,
    },
}

Journal entries that are used to track changes to the state and are used to revert it.

Variants

AccountWarmed

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.

Fields

address: Address

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

Fields

address: Address

target: Address

was_destroyed: bool

had_balance: U256

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

Fields

address: Address

BalanceTransfer

Transfer balance between two accounts Action: Transfer balance Revert: Transfer balance back

Fields

from: Address

to: Address

balance: U256

NonceChange

Increment nonce Action: Increment nonce by one Revert: Decrement nonce by one

Fields

address: Address

AccountCreated

Create account: Actions: Mark account as created Revert: Unmart account as created and reset nonce to zero.

Fields

address: Address

StorageChanged

Entry used to track storage changes Action: Storage change Revert: Revert to previous value

Fields

address: Address

key: U256

had_value: U256

StorageWarmed

Entry used to track storage warming introduced by EIP-2929. Action: Storage warmed Revert: Revert to cold state

Fields

address: Address

key: U256

TransientStorageChange

It is used to track an EIP-1153 transient storage change. Action: Transient storage changed. Revert: Revert to previous value.

Fields

address: Address

key: U256

had_value: U256

CodeChange

Code changed Action: Account code changed Revert: Revert to previous bytecode.

Fields

address: Address

Trait Implementations

impl Clone for JournalEntry

fn clone(&self) -> JournalEntry

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for JournalEntry

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl Hash for JournalEntry

fn hash<__H: Hasher>(&self, state: &mut __H)

Feeds this value into the given Hasher.

fn hash_slice<H>(data: &[Self], state: &mut H)

where H: Hasher, Self: Sized,

Feeds a slice of this type into the given Hasher.

impl PartialEq for JournalEntry

fn eq(&self, other: &JournalEntry) -> bool

Tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &Rhs) -> bool

Tests for !=. The default implementation is almost always sufficient, and should not be overridden without very good reason.

impl Eq for JournalEntry

impl StructuralPartialEq for JournalEntry