Struct reth_trie::hashed_cursor::HashedPostStateAccountCursor

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pub struct HashedPostStateAccountCursor<'a, C> { /* private fields */ }
Expand description

The cursor to iterate over post state hashed accounts and corresponding database entries. It will always give precedence to the data from the hashed post state.

Implementations§

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impl<'a, C> HashedPostStateAccountCursor<'a, C>
where C: HashedCursor<Value = Account>,

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pub const fn new( cursor: C, post_state_accounts: &'a HashedAccountsSorted, ) -> Self

Create new instance of HashedPostStateAccountCursor.

Trait Implementations§

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impl<'a, C: Debug> Debug for HashedPostStateAccountCursor<'a, C>

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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<'a, C> HashedCursor for HashedPostStateAccountCursor<'a, C>
where C: HashedCursor<Value = Account>,

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fn seek( &mut self, key: B256, ) -> Result<Option<(B256, Self::Value)>, DatabaseError>

Seek the next entry for a given hashed account key.

If the post state contains the exact match for the key, return it. Otherwise, retrieve the next entries that are greater than or equal to the key from the database and the post state. The two entries are compared and the lowest is returned.

The returned account key is memoized and the cursor remains positioned at that key until HashedCursor::seek or HashedCursor::next are called.

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fn next(&mut self) -> Result<Option<(B256, Self::Value)>, DatabaseError>

Retrieve the next entry from the cursor.

If the cursor is positioned at the entry, return the entry with next greater key. Returns None if the previous memoized or the next greater entries are missing.

NOTE: This function will not return any entry unless HashedCursor::seek has been called.

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type Value = Account

Value returned by the cursor.

Auto Trait Implementations§

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impl<'a, C> Freeze for HashedPostStateAccountCursor<'a, C>
where C: Freeze,

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impl<'a, C> RefUnwindSafe for HashedPostStateAccountCursor<'a, C>
where C: RefUnwindSafe,

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impl<'a, C> Send for HashedPostStateAccountCursor<'a, C>
where C: Send,

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impl<'a, C> Sync for HashedPostStateAccountCursor<'a, C>
where C: Sync,

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impl<'a, C> Unpin for HashedPostStateAccountCursor<'a, C>
where C: Unpin,

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impl<'a, C> UnwindSafe for HashedPostStateAccountCursor<'a, C>
where C: UnwindSafe,

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where T: 'static + ?Sized,

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