StakeSet

tip911_stakeset

Struct StakeSet 

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

Keeps track of all the active stakes in the blockchain. Abstracts over the pre-TIP911 and post-TIP911 representations.

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impl StakeSet

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pub fn new(stakes: impl Iterator<Item = (TxHash, StakeDoc)>) -> Self

Creates a new StakeSet, from a mapping from the TxHash that created a stake, to the StakeDoc describing the stake.

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pub fn iter(&self) -> impl Iterator<Item = (&TxHash, &StakeDoc)>

Returns stakes as an iterator

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pub fn add_stake(&mut self, txhash: TxHash, stake: StakeDoc)

Adds another stake to the set. The transaction hash of the staking transaction, as well as the parsed StakeDoc, must be given.

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pub fn get_stake(&self, txhash: TxHash) -> Option<StakeDoc>

Gets information about a particular stake, identified by the TxHash of the transaction that created it.

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pub fn is_frozen(&self, coin: CoinID) -> bool

Checks whether a particular CoinID is frozen due to it containing an active stake.

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pub fn votes(&self, epoch: u64, key: Ed25519PK) -> u128

Checks how many votes a particular staker has, in the given epoch.

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pub fn total_votes(&self, epoch: u64) -> u128

Obtains the number of votes in total for the given epoch.

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pub fn unlock_old(&mut self, epoch: u64)

Removes all the stakes that have expired by this epoch.

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pub fn pre_tip911(&self) -> Tree<InMemoryCas>

Obtain an old-style (pre-TIP-911) sparse merkle tree that maps the hash of the stdcode encoding of the transaction hash of the transaction that created the stake, to the stdcode-encoded stake.

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pub fn post_tip911(&self, epoch: u64) -> Tip911

Obtain a TIP-911-style object.

Trait Implementations§

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impl Clone for StakeSet

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fn clone(&self) -> StakeSet

Returns a duplicate 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 StakeSet

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

Formats the value using the given formatter. Read more

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🔬This is a nightly-only experimental API. (clone_to_uninit)
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