cbdc::watchtower::block_cache Class Reference

Stores a set of blocks in memory and maintains an index of the UHS IDs contained therein. More...

#include <block_cache.hpp>

Public Member Functions
	block_cache ()=delete
	block_cache (size_t k)
	Constructor.
void	push_block (cbdc::atomizer::block &&blk)
	Moves a block into the block cache, evicting the oldest block if the cache has reached its maximum size.
auto	check_unspent (const hash_t &uhs_id) const -> std::optional< block_cache_result >
	Checks to see if the given UHS ID is spendable according to the blocks in the cache.
auto	check_spent (const hash_t &uhs_id) const -> std::optional< block_cache_result >
	Checks to see if the given UHS ID has been spent according to the blocks in the cache.
auto	best_block_height () const -> uint64_t
	Returns the block height of the highest observed block.

Detailed Description

Stores a set of blocks in memory and maintains an index of the UHS IDs contained therein.

Definition at line 30 of file block_cache.hpp.

Constructor & Destructor Documentation

block_cache() [1/2]

cbdc::watchtower::block_cache::block_cache ( )

delete

block_cache() [2/2]

cbdc::watchtower::block_cache::block_cache ( size_t k )

explicit

Constructor.

Parameters

k	number of blocks to store in memory. 0 -> no limit.

Definition at line 9 of file block_cache.cpp.

Member Function Documentation

best_block_height()

auto cbdc::watchtower::block_cache::best_block_height

(

)

const -> uint64_t

Returns the block height of the highest observed block.

Returns

the highest block height.

Definition at line 64 of file block_cache.cpp.

check_spent()

auto cbdc::watchtower::block_cache::check_spent

(

const hash_t &

uhs_id

)

const -> std::optional<block_cache_result>

Checks to see if the given UHS ID has been spent according to the blocks in the cache.

Parameters

uhs_id

UHS ID to check.

Returns

a BlockCacheResult containing the block height and ID of the transaction that spent this UHS ID.

Definition at line 56 of file block_cache.cpp.

Referenced by cbdc::watchtower::watchtower::add_errors().

check_unspent()

auto cbdc::watchtower::block_cache::check_unspent

(

const hash_t &

uhs_id

)

const -> std::optional<block_cache_result>

Checks to see if the given UHS ID is spendable according to the blocks in the cache.

Parameters

uhs_id

UHS ID to check.

Returns

a BlockCacheResult containing the block height and ID of the transaction that originated this UHS ID.

Definition at line 47 of file block_cache.cpp.

Referenced by cbdc::watchtower::watchtower::add_errors().

push_block()

void cbdc::watchtower::block_cache::push_block

(

cbdc::atomizer::block &&

blk

)

Moves a block into the block cache, evicting the oldest block if the cache has reached its maximum size.

Parameters

blk	the block to move into the cache.

Definition at line 16 of file block_cache.cpp.

Referenced by cbdc::watchtower::watchtower::add_block().

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The documentation for this class was generated from the following files:

• block_cache.hpp
• block_cache.cpp