solana_accounts_db::blockhash_queue

Struct BlockhashQueue

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pub struct BlockhashQueue { /* private fields */ }
Expand description

Low memory overhead, so can be cloned for every checkpoint

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impl BlockhashQueue

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pub fn new(max_age: usize) -> Self

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pub fn last_hash(&self) -> Hash

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pub fn get_lamports_per_signature(&self, hash: &Hash) -> Option<u64>

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pub fn is_hash_valid(&self, hash: &Hash) -> bool

👎Deprecated since 2.0.0: Please use is_hash_valid_for_age instead

Check if the age of the hash is within the queue’s max age

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pub fn is_hash_valid_for_age(&self, hash: &Hash, max_age: usize) -> bool

Check if the age of the hash is within the specified age

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pub fn get_hash_info_if_valid( &self, hash: &Hash, max_age: usize, ) -> Option<&HashInfo>

Get hash info for the specified hash if it is in the queue and its age of the hash is within the specified age

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pub fn get_hash_age(&self, hash: &Hash) -> Option<u64>

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pub fn genesis_hash(&mut self, hash: &Hash, lamports_per_signature: u64)

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pub fn register_hash(&mut self, hash: &Hash, lamports_per_signature: u64)

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pub fn get_recent_blockhashes(&self) -> impl Iterator<Item = IterItem<'_>>

👎Deprecated since 1.9.0: Please do not use, will no longer be available in the future
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pub fn get_max_age(&self) -> usize

👎Deprecated since 2.0.0: Please use solana_program::clock::MAX_PROCESSING_AGE

Trait Implementations§

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impl Clone for BlockhashQueue

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fn clone(&self) -> BlockhashQueue

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 BlockhashQueue

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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 Default for BlockhashQueue

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fn default() -> Self

Returns the “default value” for a type. Read more
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impl<'de> Deserialize<'de> for BlockhashQueue

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fn deserialize<__D>(__deserializer: __D) -> Result<Self, __D::Error>
where __D: Deserializer<'de>,

Deserialize this value from the given Serde deserializer. Read more
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impl PartialEq for BlockhashQueue

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fn eq(&self, other: &BlockhashQueue) -> 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 Serialize for BlockhashQueue

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fn serialize<__S>(&self, __serializer: __S) -> Result<__S::Ok, __S::Error>
where __S: Serializer,

Serialize this value into the given Serde serializer. Read more
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impl Eq for BlockhashQueue

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impl StructuralPartialEq for BlockhashQueue

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unsafe fn clone_to_uninit(&self, dst: *mut u8)

🔬This is a nightly-only experimental API. (clone_to_uninit)
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fn equivalent(&self, key: &K) -> bool

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fn equivalent(&self, key: &K) -> bool

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