revm_database::states::bundle_account

Struct BundleAccount

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pub struct BundleAccount {
    pub info: Option<AccountInfo>,
    pub original_info: Option<AccountInfo>,
    pub storage: StorageWithOriginalValues,
    pub status: AccountStatus,
}
Expand description

Account information focused on creating of database changesets and Reverts.

Status is needed as to know from what state we are applying the TransitionAccount.

Original account info is needed to know if there was a change. Same thing for storage with original value.

On selfdestruct storage original value is ignored.

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§info: Option<AccountInfo>§original_info: Option<AccountInfo>§storage: StorageWithOriginalValues

Contains both original and present state. When extracting changeset we compare if original value is different from present value. If it is different we add it to changeset.

If Account was destroyed we ignore original value and compare present state with U256::ZERO.

§status: AccountStatus

Account status.

Implementations§

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impl BundleAccount

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pub fn new( original_info: Option<AccountInfo>, present_info: Option<AccountInfo>, storage: StorageWithOriginalValues, status: AccountStatus, ) -> Self

Create new BundleAccount.

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pub fn size_hint(&self) -> usize

The approximate size of changes needed to store this account. 1 + storage_len

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pub fn storage_slot(&self, slot: U256) -> Option<U256>

Return storage slot if it exists.

In case we know that account is newly created or destroyed, return Some(U256::ZERO)

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pub fn account_info(&self) -> Option<AccountInfo>

Fetch account info if it exist.

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pub fn was_destroyed(&self) -> bool

Was this account destroyed.

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pub fn is_info_changed(&self) -> bool

Return true of account info was changed.

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pub fn is_contract_changed(&self) -> bool

Return true if contract was changed

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pub fn revert(&mut self, revert: AccountRevert) -> bool

Revert account to previous state and return true if account can be removed.

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pub fn update_and_create_revert( &mut self, transition: TransitionAccount, ) -> Option<AccountRevert>

Update to new state and generate AccountRevert that if applied to new state will revert it to previous state. If no revert is present, update is noop.

Trait Implementations§

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impl Clone for BundleAccount

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fn clone(&self) -> BundleAccount

Returns a copy of the value. Read more
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fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source. Read more
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impl Debug for BundleAccount

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

Formats the value using the given formatter. Read more
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impl From<BundleAccount> for CacheAccount

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fn from(account: BundleAccount) -> Self

Converts to this type from the input type.
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impl PartialEq for BundleAccount

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

Tests for self and other values to be equal, and is used by ==.
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fn ne(&self, other: &Rhs) -> bool

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

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impl StructuralPartialEq for BundleAccount

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