Generate a new block. More...

#include <blockassembler.h>

Collaboration diagram for BlockAssembler:

Public Member Functions
	BlockAssembler (const CChainParams &chainparams, const bool defaultPrintPriority)

std::unique_ptr< CBlockTemplate >	CreateNewBlock (const CScript &scriptPubKeyIn, CWallet pwallet=nullptr, bool fProofOfStake=false, std::vector< CStakeableOutput > availableCoins=nullptr, bool fNoMempoolTx=false, bool fTestValidity=true, CBlockIndex *prevBlock=nullptr, bool stopPoSOnNewBlock=true, bool fIncludeQfc=true)
	Construct a new block template with coinbase to scriptPubKeyIn. More...

Private Member Functions
void	resetBlock ()
	Clear the block's state and prepare for assembling a new block. More...

void	AddToBlock (CTxMemPool::txiter iter)
	Add a tx to the block. More...

void	addPackageTxs ()
	Add transactions based on feerate including unconfirmed ancestors. More...

void	appendSaplingTreeRoot ()
	Add the tip updated incremental merkle tree to the header. More...

void	onlyUnconfirmed (CTxMemPool::setEntries &testSet)
	Remove confirmed (inBlock) entries from given set. More...

bool	TestPackage (uint64_t packageSize, unsigned int packageSigOps)
	Test if a new package would "fit" in the block. More...

bool	TestPackageFinality (const CTxMemPool::setEntries &package)
	Test if a set of transactions are all final. More...

bool	SkipMapTxEntry (CTxMemPool::txiter it, indexed_modified_transaction_set &mapModifiedTx, CTxMemPool::setEntries &failedTx)
	Return true if given transaction from mapTx has already been evaluated, or if the transaction's cached data in mapTx is incorrect. More...

void	SortForBlock (const CTxMemPool::setEntries &package, CTxMemPool::txiter entry, std::vector< CTxMemPool::txiter > &sortedEntries)
	Sort the package in an order that is valid to appear in a block. More...

void	UpdatePackagesForAdded (const CTxMemPool::setEntries &alreadyAdded, indexed_modified_transaction_set &mapModifiedTx)
	Add descendants of given transactions to mapModifiedTx with ancestor state updated assuming given transactions are inBlock. More...

Private Attributes
std::unique_ptr< CBlockTemplate >	pblocktemplate

CBlock *	pblock {nullptr}

unsigned int	nBlockMaxSize {0}

uint64_t	nBlockSize {0}

uint64_t	nBlockTx {0}

unsigned int	nBlockSigOps {0}

CAmount	nFees {0}

CTxMemPool::setEntries	inBlock

int	nHeight {0}

const CChainParams &	chainparams

unsigned int	nSizeShielded {0}

const bool	defaultPrintPriority {false}

Detailed Description

Generate a new block.

Definition at line 134 of file blockassembler.h.

Constructor & Destructor Documentation

◆ BlockAssembler()

BlockAssembler::BlockAssembler	(	const CChainParams &	chainparams,
		const bool	defaultPrintPriority
	)

Definition at line 136 of file blockassembler.cpp.

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Member Function Documentation

◆ addPackageTxs()

void BlockAssembler::addPackageTxs ( )

private

Add transactions based on feerate including unconfirmed ancestors.

Definition at line 376 of file blockassembler.cpp.

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◆ AddToBlock()

void BlockAssembler::AddToBlock ( CTxMemPool::txiter iter )

private

Add a tx to the block.

Definition at line 295 of file blockassembler.cpp.

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◆ appendSaplingTreeRoot()

void BlockAssembler::appendSaplingTreeRoot ( )

private

Add the tip updated incremental merkle tree to the header.

Definition at line 499 of file blockassembler.cpp.

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◆ CreateNewBlock()

std::unique_ptr< CBlockTemplate > BlockAssembler::CreateNewBlock	(	const CScript &	scriptPubKeyIn,
		CWallet *	pwallet = `nullptr`,
		bool	fProofOfStake = `false`,
		std::vector< CStakeableOutput > *	availableCoins = `nullptr`,
		bool	fNoMempoolTx = `false`,
		bool	fTestValidity = `true`,
		CBlockIndex *	prevBlock = `nullptr`,
		bool	stopPoSOnNewBlock = `true`,
		bool	fIncludeQfc = `true`
	)

Construct a new block template with coinbase to scriptPubKeyIn.

Definition at line 158 of file blockassembler.cpp.

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◆ onlyUnconfirmed()

void BlockAssembler::onlyUnconfirmed ( CTxMemPool::setEntries & testSet )

private

Remove confirmed (inBlock) entries from given set.

Definition at line 262 of file blockassembler.cpp.

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◆ resetBlock()

void BlockAssembler::resetBlock ( )

private

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

Definition at line 145 of file blockassembler.cpp.

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◆ SkipMapTxEntry()

bool BlockAssembler::SkipMapTxEntry	(	CTxMemPool::txiter	it,
		indexed_modified_transaction_set &	mapModifiedTx,
		CTxMemPool::setEntries &	failedTx
	)

private

Return true if given transaction from mapTx has already been evaluated, or if the transaction's cached data in mapTx is incorrect.

Definition at line 347 of file blockassembler.cpp.

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◆ SortForBlock()

void BlockAssembler::SortForBlock	(	const CTxMemPool::setEntries &	package,
		CTxMemPool::txiter	entry,
		std::vector< CTxMemPool::txiter > &	sortedEntries
	)

private

Sort the package in an order that is valid to appear in a block.

Definition at line 355 of file blockassembler.cpp.

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◆ TestPackage()

bool BlockAssembler::TestPackage	(	uint64_t	packageSize,
		unsigned int	packageSigOps
	)

private

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

Definition at line 275 of file blockassembler.cpp.

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◆ TestPackageFinality()

bool BlockAssembler::TestPackageFinality ( const CTxMemPool::setEntries & package )

private

Test if a set of transactions are all final.

Definition at line 286 of file blockassembler.cpp.

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◆ UpdatePackagesForAdded()

void BlockAssembler::UpdatePackagesForAdded	(	const CTxMemPool::setEntries &	alreadyAdded,
		indexed_modified_transaction_set &	mapModifiedTx
	)

private

Add descendants of given transactions to mapModifiedTx with ancestor state updated assuming given transactions are inBlock.

Definition at line 314 of file blockassembler.cpp.

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Member Data Documentation

◆ chainparams

const CChainParams& BlockAssembler::chainparams

private

Definition at line 154 of file blockassembler.h.

◆ defaultPrintPriority

const bool BlockAssembler::defaultPrintPriority {false}

private

Definition at line 160 of file blockassembler.h.

◆ inBlock

CTxMemPool::setEntries BlockAssembler::inBlock

private

Definition at line 150 of file blockassembler.h.

◆ nBlockMaxSize

unsigned int BlockAssembler::nBlockMaxSize {0}

private

Definition at line 143 of file blockassembler.h.

◆ nBlockSigOps

unsigned int BlockAssembler::nBlockSigOps {0}

private

Definition at line 148 of file blockassembler.h.

◆ nBlockSize

uint64_t BlockAssembler::nBlockSize {0}

private

Definition at line 146 of file blockassembler.h.

◆ nBlockTx

uint64_t BlockAssembler::nBlockTx {0}

private

Definition at line 147 of file blockassembler.h.

◆ nFees

CAmount BlockAssembler::nFees {0}

private

Definition at line 149 of file blockassembler.h.

◆ nHeight

int BlockAssembler::nHeight {0}

private

Definition at line 153 of file blockassembler.h.

◆ nSizeShielded

unsigned int BlockAssembler::nSizeShielded {0}

private

Definition at line 157 of file blockassembler.h.

◆ pblock

CBlock* BlockAssembler::pblock {nullptr}

private

Definition at line 140 of file blockassembler.h.

◆ pblocktemplate

std::unique_ptr<CBlockTemplate> BlockAssembler::pblocktemplate

private

Definition at line 138 of file blockassembler.h.

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

src/blockassembler.h
src/blockassembler.cpp

Public Member Functions

Private Member Functions

Private Attributes

Detailed Description

Constructor & Destructor Documentation

◆ BlockAssembler()

Member Function Documentation

◆ addPackageTxs()

◆ AddToBlock()

◆ appendSaplingTreeRoot()

◆ CreateNewBlock()

◆ onlyUnconfirmed()

◆ resetBlock()

◆ SkipMapTxEntry()

◆ SortForBlock()

◆ TestPackage()

◆ TestPackageFinality()

◆ UpdatePackagesForAdded()

Member Data Documentation

◆ chainparams

◆ defaultPrintPriority

◆ inBlock

◆ nBlockMaxSize

◆ nBlockSigOps

◆ nBlockSize

◆ nBlockTx

◆ nFees

◆ nHeight

◆ nSizeShielded

◆ pblock

◆ pblocktemplate