Struct TargetDifficultyManager

pub struct TargetDifficultyManager { /* private fields */ }

This is a data structure to cache the computed target difficulty of a adjustment period. Each element is indexed by the hash of the upper boundary block of the period.

Implementations

impl TargetDifficultyManager

pub fn new(capacity: usize) -> Self

pub fn get(&self, hash: &H256) -> Option<U256>

pub fn set(&self, hash: H256, difficulty: U256)

pub fn target_difficulty<C>( &self, consensus: C, pow_config: &ProofOfWorkConfig, cur_hash: &H256, ) -> U256

where C: ConsensusProvider,

This function computes the target difficulty of the next period based on the current period. cur_hash should be the hash of the block at the current period upper boundary and it must have been inserted to BlockDataManager, otherwise the function will panic. num_blocks_in_epoch is a function that returns the epoch size under the epoch view of a given block.

Trait Implementations

impl MallocSizeOf for TargetDifficultyManager

fn size_of(&self, ops: &mut MallocSizeOfOps) -> usize

Measure the heap usage of all descendant heap-allocated structures, but not the space taken up by the value itself.