BlockAssembler Class Reference

Generate a new block, without valid proof-of-work. More...

#include <miner.h>

Collaboration diagram for BlockAssembler:

Classes
struct	Options

Public Member Functions
	BlockAssembler (Chainstate &chainstate, const CTxMemPool *mempool, const Options &options)
std::unique_ptr< CBlockTemplate >	CreateNewBlock ()
	Construct a new block template.

Static Public Attributes
static std::optional< int64_t >	m_last_block_num_txs {}
	The number of transactions in the last assembled block (excluding coinbase transaction).
static std::optional< int64_t >	m_last_block_weight {}
	The weight of the last assembled block (including reserved weight for block header, txs count and coinbase tx).

Private Member Functions
void	resetBlock ()
	Clear the block's state and prepare for assembling a new block.
void	AddToBlock (const CTxMemPoolEntry &entry)
	Add a tx to the block.
void	addChunks () EXCLUSIVE_LOCKS_REQUIRED(m_mempool -> cs)
	Add transactions based on chunk feerate.
bool	TestChunkBlockLimits (FeePerWeight chunk_feerate, int64_t chunk_sigops_cost) const
	Test if a new chunk would "fit" in the block.
bool	TestChunkTransactions (const std::vector< CTxMemPoolEntryRef > &txs) const
	Perform locktime checks on each transaction in a chunk: This check should always succeed, and is here only as an extra check in case of a bug.

Private Attributes
std::unique_ptr< CBlockTemplate >	pblocktemplate
uint64_t	nBlockWeight
uint64_t	nBlockTx
uint64_t	nBlockSigOpsCost
CAmount	nFees
int	nHeight
int64_t	m_lock_time_cutoff
const CChainParams &	chainparams
const CTxMemPool *const	m_mempool
Chainstate &	m_chainstate
const Options	m_options

Detailed Description

Generate a new block, without valid proof-of-work.

Definition at line 60 of file miner.h.

Constructor & Destructor Documentation

BlockAssembler()

node::BlockAssembler::BlockAssembler ( Chainstate & chainstate, const CTxMemPool * mempool, const Options & options )

explicit

Definition at line 90 of file miner.cpp.

Member Function Documentation

addChunks()

void node::BlockAssembler::addChunks ( ) -> cs)

private

Add transactions based on chunk feerate.

Precondition

BlockAssembler::m_mempool must not be nullptr

Definition at line 279 of file miner.cpp.

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AddToBlock()

void node::BlockAssembler::AddToBlock ( const CTxMemPoolEntry & entry )

private

Add a tx to the block.

Definition at line 262 of file miner.cpp.

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CreateNewBlock()

std::unique_ptr< CBlockTemplate > node::BlockAssembler::CreateNewBlock

(

)

Construct a new block template.

Definition at line 122 of file miner.cpp.

resetBlock()

void node::BlockAssembler::resetBlock ( )

private

Clear the block's state and prepare for assembling a new block.

Definition at line 111 of file miner.cpp.

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TestChunkBlockLimits()

bool node::BlockAssembler::TestChunkBlockLimits ( FeePerWeight chunk_feerate, int64_t chunk_sigops_cost ) const

private

Test if a new chunk would "fit" in the block.

Definition at line 239 of file miner.cpp.

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TestChunkTransactions()

bool node::BlockAssembler::TestChunkTransactions ( const std::vector< CTxMemPoolEntryRef > & txs ) const

private

Perform locktime checks on each transaction in a chunk: This check should always succeed, and is here only as an extra check in case of a bug.

Definition at line 252 of file miner.cpp.

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Member Data Documentation

chainparams

const CChainParams& node::BlockAssembler::chainparams

private

Definition at line 76 of file miner.h.

m_chainstate

Chainstate& node::BlockAssembler::m_chainstate

private

Definition at line 78 of file miner.h.

m_last_block_num_txs

std::optional<int64_t> node::BlockAssembler::m_last_block_num_txs {}

inlinestatic

The number of transactions in the last assembled block (excluding coinbase transaction).

Definition at line 96 of file miner.h.

m_last_block_weight

std::optional<int64_t> node::BlockAssembler::m_last_block_weight {}

inlinestatic

The weight of the last assembled block (including reserved weight for block header, txs count and coinbase tx).

Definition at line 98 of file miner.h.

m_lock_time_cutoff

int64_t node::BlockAssembler::m_lock_time_cutoff

private

Definition at line 74 of file miner.h.

m_mempool

const CTxMemPool* const node::BlockAssembler::m_mempool

private

Definition at line 77 of file miner.h.

m_options

const Options node::BlockAssembler::m_options

private

Definition at line 101 of file miner.h.

nBlockSigOpsCost

uint64_t node::BlockAssembler::nBlockSigOpsCost

private

Definition at line 69 of file miner.h.

nBlockTx

uint64_t node::BlockAssembler::nBlockTx

private

Definition at line 68 of file miner.h.

nBlockWeight

uint64_t node::BlockAssembler::nBlockWeight

private

Definition at line 67 of file miner.h.

nFees

CAmount node::BlockAssembler::nFees

private

Definition at line 70 of file miner.h.

nHeight

int node::BlockAssembler::nHeight

private

Definition at line 73 of file miner.h.

pblocktemplate

std::unique_ptr<CBlockTemplate> node::BlockAssembler::pblocktemplate

private

Definition at line 64 of file miner.h.

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

• src/node/miner.h
• src/node/miner.cpp