Classes
struct	AncestorFeerateComparator

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

struct	BlockCreateOptions

struct	BlockfileCursor

class	BlockManager
	Maintains a tree of blocks (stored in `m_block_index`) which is consulted to determine where the most-work tip is. More...

struct	CacheSizes

struct	CBlockIndexHeightOnlyComparator

struct	CBlockIndexWorkComparator

struct	CBlockTemplate

struct	ChainstateLoadOptions

struct	CompareCTxMemPoolIter
	Comparator for CTxMemPool::txiter objects. More...

struct	CompareTxIterByAncestorCount

struct	CTxMemPoolModifiedEntry

struct	CTxMemPoolModifiedEntry_Indices

class	ImportingNow

struct	ImportMempoolOptions

struct	IteratorComparator

class	KernelNotifications

class	MiniMiner
	A minimal version of BlockAssembler, using the same ancestor set scoring algorithm. More...

class	MiniMinerMempoolEntry

struct	modifiedentry_iter

struct	NodeContext
	NodeContext struct containing references to chain state and connection state. More...

struct	PackageToValidate

struct	PruneLockInfo

struct	PSBTAnalysis
	Holds the results of AnalyzePSBT (miscellaneous information about a PSBT) More...

struct	PSBTInputAnalysis
	Holds an analysis of one input from a PSBT. More...

struct	RejectedTxTodo

class	SnapshotMetadata
	Metadata describing a serialized version of a UTXO set from which an assumeutxo Chainstate can be constructed. More...

struct	TxDownloadConnectionInfo

class	TxDownloadManager
	Class responsible for deciding what transactions to request and, once downloaded, whether and how to validate them. More...

class	TxDownloadManagerImpl

struct	TxDownloadOptions

struct	update_for_parent_inclusion

class	Warnings
	Manages warning messages within a node. More...

Typedefs
using	BlockMap = std::unordered_map< uint256, CBlockIndex, BlockHasher >

using	ChainstateLoadResult = std::tuple< ChainstateLoadStatus, bilingual_str >
	Chainstate load status code and optional error string. More...

typedef boost::multi_index_container< CTxMemPoolModifiedEntry, CTxMemPoolModifiedEntry_Indices >	indexed_modified_transaction_set

typedef indexed_modified_transaction_set::nth_index< 0 >::type::iterator	modtxiter

typedef indexed_modified_transaction_set::index< ancestor_score >::type::iterator	modtxscoreiter

Enumerations
enum	BlockfileType { NORMAL = 0 , ASSUMED = 1 , NUM_TYPES = 2 }

enum class	ChainstateLoadStatus { SUCCESS , FAILURE , FAILURE_FATAL , FAILURE_INCOMPATIBLE_DB , FAILURE_INSUFFICIENT_DBCACHE , INTERRUPTED }
	Chainstate load status. More...

enum class	TransactionError { OK , MISSING_INPUTS , ALREADY_IN_UTXO_SET , MEMPOOL_REJECTED , MEMPOOL_ERROR , MAX_FEE_EXCEEDED , MAX_BURN_EXCEEDED , INVALID_PACKAGE }

enum class	Warning { CLOCK_OUT_OF_SYNC , PRE_RELEASE_TEST_BUILD , FATAL_INTERNAL_ERROR }

Functions
void	AbortNode (const std::function< bool()> &shutdown_request, std::atomic< int > &exit_status, const bilingual_str &message, node::Warnings *warnings)

util::Result< void >	ApplyArgsManOptions (const ArgsManager &args, BlockManager::Options &opts)

static auto	InitBlocksdirXorKey (const BlockManager::Options &opts)

void	ImportBlocks (ChainstateManager &chainman, std::span< const fs::path > import_paths)

std::ostream &	operator<< (std::ostream &os, const BlockfileType &type)

std::ostream &	operator<< (std::ostream &os, const BlockfileCursor &cursor)

CacheSizes	CalculateCacheSizes (const ArgsManager &args, size_t n_indexes)

static ChainstateLoadResult	CompleteChainstateInitialization (ChainstateManager &chainman, const CacheSizes &cache_sizes, const ChainstateLoadOptions &options) EXCLUSIVE_LOCKS_REQUIRED(

ChainstateLoadResult	LoadChainstate (ChainstateManager &chainman, const CacheSizes &cache_sizes, const ChainstateLoadOptions &options)
	This sequence can have 4 types of outcomes: More...

ChainstateLoadResult	VerifyLoadedChainstate (ChainstateManager &chainman, const ChainstateLoadOptions &options)

util::Result< void >	ApplyArgsManOptions (const ArgsManager &args, ChainstateManager::Options &opts)

void	FindCoins (const node::NodeContext &node, std::map< COutPoint, Coin > &coins)
	Look up unspent output information. More...

void	ReadCoinsViewArgs (const ArgsManager &args, CoinsViewOptions &options)

void	ReadDatabaseArgs (const ArgsManager &args, DBOptions &options)

void	ReadNotificationArgs (const ArgsManager &args, KernelNotifications &notifications)

bool	LoadMempool (CTxMemPool &pool, const fs::path &load_path, Chainstate &active_chainstate, ImportMempoolOptions &&opts)
	Import the file and attempt to add its contents to the mempool. More...

bool	DumpMempool (const CTxMemPool &pool, const fs::path &dump_path, FopenFn mockable_fopen_function, bool skip_file_commit)

bool	DumpMempool (const CTxMemPool &pool, const fs::path &dump_path, fsbridge::FopenFn mockable_fopen_function=fsbridge::fopen, bool skip_file_commit=false)
	Dump the mempool to a file. More...

bool	ShouldPersistMempool (const ArgsManager &argsman)

fs::path	MempoolPath (const ArgsManager &argsman)

int64_t	UpdateTime (CBlockHeader pblock, const Consensus::Params &consensusParams, const CBlockIndex pindexPrev)

void	RegenerateCommitments (CBlock &block, ChainstateManager &chainman)
	Update an old GenerateCoinbaseCommitment from CreateNewBlock after the block txs have changed. More...

static BlockAssembler::Options	ClampOptions (BlockAssembler::Options options)

void	ApplyArgsManOptions (const ArgsManager &gArgs, BlockAssembler::Options &options)
	Apply -blockmintxfee and -blockmaxweight options from ArgsManager to BlockAssembler options. More...

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

Minisketch	MakeMinisketch32 (size_t capacity)
	Wrapper around Minisketch::Minisketch(32, implementation, capacity). More...

Minisketch	MakeMinisketch32FP (size_t max_elements, uint32_t fpbits)
	Wrapper around Minisketch::CreateFP. More...

void	ApplyArgsManOptions (const ArgsManager &argsman, PeerManager::Options &options)

PSBTAnalysis	AnalyzePSBT (PartiallySignedTransaction psbtx)
	Provides helpful miscellaneous information about where a PSBT is in the signing workflow. More...

static TransactionError	HandleATMPError (const TxValidationState &state, std::string &err_string_out)

TransactionError	BroadcastTransaction (NodeContext &node, CTransactionRef tx, std::string &err_string, const CAmount &max_tx_fee, bool relay, bool wait_callback)
	Submit a transaction to the mempool and (optionally) relay it to all P2P peers. More...

CTransactionRef	GetTransaction (const CBlockIndex const block_index, const CTxMemPool const mempool, const uint256 &hash, uint256 &hashBlock, const BlockManager &blockman)
	Return transaction with a given hash. More...

bool	WriteSnapshotBaseBlockhash (Chainstate &snapshot_chainstate)

std::optional< uint256 >	ReadSnapshotBaseBlockhash (fs::path chaindir)

std::optional< fs::path >	FindSnapshotChainstateDir (const fs::path &data_dir)
	Return a path to the snapshot-based chainstate dir, if one exists. More...

UniValue	GetWarningsForRpc (const Warnings &warnings, bool use_deprecated)
	RPC helper function that wraps warnings.GetMessages(). More...

Variables
static const unsigned int	BLOCKFILE_CHUNK_SIZE = 0x1000000
	The pre-allocation chunk size for blk?????.dat files (since 0.8) More...

static const unsigned int	UNDOFILE_CHUNK_SIZE = 0x100000
	The pre-allocation chunk size for rev?????.dat files (since 0.8) More...

static const unsigned int	MAX_BLOCKFILE_SIZE = 0x8000000
	The maximum size of a blk?????.dat file (since 0.8) More...

static constexpr size_t	BLOCK_SERIALIZATION_HEADER_SIZE = std::tuple_size_v<MessageStartChars> + sizeof(unsigned int)
	Size of header written by WriteBlockToDisk before a serialized CBlock. More...

static constexpr int	DEFAULT_STOPATHEIGHT {0}

static const uint64_t	MEMPOOL_DUMP_VERSION_NO_XOR_KEY {1}

static const uint64_t	MEMPOOL_DUMP_VERSION {2}

static constexpr bool	DEFAULT_PERSIST_MEMPOOL {true}
	Default for -persistmempool, indicating whether the node should attempt to automatically load the mempool on start and save to disk on shutdown. More...

static const bool	DEFAULT_PRINT_MODIFIED_FEE = false

static const CFeeRate	DEFAULT_MAX_RAW_TX_FEE_RATE {COIN / 10}
	Maximum fee rate for sendrawtransaction and testmempoolaccept RPC calls. More...

static const CAmount	DEFAULT_MAX_BURN_AMOUNT {0}
	Maximum burn value for sendrawtransaction, submitpackage, and testmempoolaccept RPC calls. More...

static constexpr int32_t	MAX_PEER_TX_REQUEST_IN_FLIGHT = 100
	Maximum number of in-flight transaction requests from a peer. More...

static constexpr int32_t	MAX_PEER_TX_ANNOUNCEMENTS = 5000
	Maximum number of transactions to consider for requesting, per peer. More...

static constexpr auto	TXID_RELAY_DELAY {2s}
	How long to delay requesting transactions via txids, if we have wtxid-relaying peers. More...

static constexpr auto	NONPREF_PEER_TX_DELAY {2s}
	How long to delay requesting transactions from non-preferred peers. More...

static constexpr auto	OVERLOADED_PEER_TX_DELAY {2s}
	How long to delay requesting transactions from overloaded peers (see MAX_PEER_TX_REQUEST_IN_FLIGHT). More...

static constexpr auto	GETDATA_TX_INTERVAL {60s}
	How long to wait before downloading a transaction from an additional peer. More...

const fs::path	SNAPSHOT_BLOCKHASH_FILENAME {"base_blockhash"}
	The file in the snapshot chainstate dir which stores the base blockhash. More...

bool WriteSnapshotBaseBlockhash(Chainstate &snapshot_chainstate) EXCLUSIVE_LOCKS_REQUIRED(std::optional< uint256 > ReadSnapshotBaseBlockhash(fs::path chaindir) EXCLUSIVE_LOCKS_REQUIRED(constexpr std::string_view	SNAPSHOT_CHAINSTATE_SUFFIX = "_snapshot"
	Write out the blockhash of the snapshot base block that was used to construct this chainstate. More...

Typedef Documentation

◆ BlockMap

using node::BlockMap = typedef std::unordered_map<uint256, CBlockIndex, BlockHasher>

Definition at line 84 of file blockstorage.h.

◆ ChainstateLoadResult

using node::ChainstateLoadResult = typedef std::tuple<ChainstateLoadStatus, bilingual_str>

Chainstate load status code and optional error string.

Definition at line 57 of file chainstate.h.

◆ indexed_modified_transaction_set

typedef boost::multi_index_container< CTxMemPoolModifiedEntry, CTxMemPoolModifiedEntry_Indices> node::indexed_modified_transaction_set

Definition at line 119 of file miner.h.

◆ modtxiter

typedef indexed_modified_transaction_set::nth_index<0>::type::iterator node::modtxiter

Definition at line 121 of file miner.h.

◆ modtxscoreiter

typedef indexed_modified_transaction_set::index<ancestor_score>::type::iterator node::modtxscoreiter

Definition at line 122 of file miner.h.

Enumeration Type Documentation

◆ BlockfileType

enum node::BlockfileType

Enumerator
NORMAL
ASSUMED
NUM_TYPES

Definition at line 99 of file blockstorage.h.

◆ ChainstateLoadStatus

enum class node::ChainstateLoadStatus

strong

Chainstate load status.

Simple applications can just check for the success case, and treat other cases as errors. More complex applications may want to try reindexing in the generic failure case, and pass an interrupt callback and exit cleanly in the interrupted case.

Enumerator
SUCCESS
FAILURE	Generic failure which reindexing may fix.
FAILURE_FATAL	Fatal error which should not prompt to reindex.
FAILURE_INCOMPATIBLE_DB
FAILURE_INSUFFICIENT_DBCACHE
INTERRUPTED

Definition at line 47 of file chainstate.h.

◆ TransactionError

enum class node::TransactionError

strong

Enumerator
OK	No error.
MISSING_INPUTS
ALREADY_IN_UTXO_SET
MEMPOOL_REJECTED
MEMPOOL_ERROR
MAX_FEE_EXCEEDED
MAX_BURN_EXCEEDED
INVALID_PACKAGE

Definition at line 20 of file types.h.

◆ Warning

enum class node::Warning

strong

Enumerator
CLOCK_OUT_OF_SYNC
PRE_RELEASE_TEST_BUILD
FATAL_INTERNAL_ERROR

Definition at line 23 of file warnings.h.

Function Documentation

◆ AbortNode()

void node::AbortNode	(	const std::function< bool()> &	shutdown_request,
		std::atomic< int > &	exit_status,
		const bilingual_str &	message,
		node::Warnings *	warnings
	)

Definition at line 18 of file abort.cpp.

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◆ AnalyzePSBT()

PSBTAnalysis node::AnalyzePSBT ( PartiallySignedTransaction psbtx )

Provides helpful miscellaneous information about where a PSBT is in the signing workflow.

Parameters

[in] psbtx the PSBT to analyze

Returns: A PSBTAnalysis with information about the provided PSBT.

Definition at line 16 of file psbt.cpp.

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◆ ApplyArgsManOptions() [1/4]

util::Result< void > node::ApplyArgsManOptions	(	const ArgsManager &	args,
		BlockManager::Options &	opts
	)

Definition at line 17 of file blockmanager_args.cpp.

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◆ ApplyArgsManOptions() [2/4]

util::Result< void > node::ApplyArgsManOptions	(	const ArgsManager &	args,
		ChainstateManager::Options &	opts
	)

Definition at line 25 of file chainstatemanager_args.cpp.

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◆ ApplyArgsManOptions() [3/4]

void node::ApplyArgsManOptions	(	const ArgsManager &	argsman,
		PeerManager::Options &	options
	)

Definition at line 11 of file peerman_args.cpp.

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◆ ApplyArgsManOptions() [4/4]

void node::ApplyArgsManOptions	(	const ArgsManager &	args,
		BlockAssembler::Options &	options
	)

Apply -blockmintxfee and -blockmaxweight options from ArgsManager to BlockAssembler options.

Definition at line 86 of file miner.cpp.

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◆ BroadcastTransaction()

TransactionError node::BroadcastTransaction	(	NodeContext &	node,
		CTransactionRef	tx,
		std::string &	err_string,
		const CAmount &	max_tx_fee,
		bool	relay,
		bool	wait_callback
	)

Submit a transaction to the mempool and (optionally) relay it to all P2P peers.

Mempool submission can be synchronous (will await mempool entry notification over the CValidationInterface) or asynchronous (will submit and not wait for notification), depending on the value of wait_callback. wait_callback MUST NOT be set while cs_main, cs_mempool or cs_wallet are held to avoid deadlock.

Parameters

[in]	node	reference to node context
[in]	tx	the transaction to broadcast
[out]	err_string	reference to std::string to fill with error string if available
[in]	max_tx_fee	reject txs with fees higher than this (if 0, accept any fee)
[in]	relay	flag if both mempool insertion and p2p relay are requested
[in]	wait_callback	wait until callbacks have been processed to avoid stale result due to a sequentially RPC. return error

Definition at line 34 of file transaction.cpp.

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◆ CalculateCacheSizes()

CacheSizes node::CalculateCacheSizes	(	const ArgsManager &	args,
		size_t	n_indexes
	)

Definition at line 12 of file caches.cpp.

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◆ ClampOptions()

static BlockAssembler::Options node::ClampOptions ( BlockAssembler::Options options )

static

Definition at line 68 of file miner.cpp.

◆ CompleteChainstateInitialization()

static ChainstateLoadResult node::CompleteChainstateInitialization	(	ChainstateManager &	chainman,
		const CacheSizes &	cache_sizes,
		const ChainstateLoadOptions &	options
	)

static

Definition at line 35 of file chainstate.cpp.

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◆ DumpMempool() [1/2]

bool node::DumpMempool	(	const CTxMemPool &	pool,
		const fs::path &	dump_path,
		FopenFn	mockable_fopen_function,
		bool	skip_file_commit
	)

Definition at line 149 of file mempool_persist.cpp.

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◆ DumpMempool() [2/2]

bool node::DumpMempool	(	const CTxMemPool &	pool,
		const fs::path &	dump_path,
		fsbridge::FopenFn	mockable_fopen_function = `fsbridge::fopen`,
		bool	skip_file_commit = `false`
	)

Dump the mempool to a file.

◆ FindCoins()

void node::FindCoins	(	const node::NodeContext &	node,
		std::map< COutPoint, Coin > &	coins
	)

Look up unspent output information.

Returns coins in the mempool and in the current chain UTXO set. Iterates through all the keys in the map and populates the values.

Parameters

[in]	node	The node context to use for lookup
[in,out]	coins	map to fill

Definition at line 12 of file coin.cpp.

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◆ FindSnapshotChainstateDir()

std::optional< fs::path > node::FindSnapshotChainstateDir ( const fs::path & data_dir )

Return a path to the snapshot-based chainstate dir, if one exists.

Definition at line 84 of file utxo_snapshot.cpp.

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◆ GetTransaction()

CTransactionRef node::GetTransaction	(	const CBlockIndex *const	block_index,
		const CTxMemPool *const	mempool,
		const uint256 &	hash,
		uint256 &	hashBlock,
		const BlockManager &	blockman
	)

Return transaction with a given hash.

If mempool is provided and block_index is not provided, check it first for the tx. If -txindex is available, check it next for the tx. Finally, if block_index is provided, check for tx by reading entire block from disk.

Parameters

[in]	block_index	The block to read from disk, or nullptr
[in]	mempool	If provided, check mempool for tx
[in]	hash	The txid
[out]	hashBlock	The block hash, if the tx was found via -txindex or block_index

Returns: The tx if found, otherwise nullptr

Definition at line 126 of file transaction.cpp.

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◆ GetWarningsForRpc()

UniValue node::GetWarningsForRpc	(	const Warnings &	warnings,
		bool	use_deprecated
	)

RPC helper function that wraps warnings.GetMessages().

Returns a UniValue::VSTR with the latest warning if use_deprecated is set to true, or a UniValue::VARR with all warnings otherwise.

Definition at line 54 of file warnings.cpp.

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◆ HandleATMPError()

static TransactionError node::HandleATMPError	(	const TxValidationState &	state,
		std::string &	err_string_out
	)

static

Definition at line 21 of file transaction.cpp.

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◆ ImportBlocks()

void node::ImportBlocks	(	ChainstateManager &	chainman,
		std::span< const fs::path >	import_paths
	)

Definition at line 1205 of file blockstorage.cpp.

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◆ InitBlocksdirXorKey()

static auto node::InitBlocksdirXorKey ( const BlockManager::Options & opts )

static

Definition at line 1140 of file blockstorage.cpp.

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◆ LoadChainstate()

ChainstateLoadResult node::LoadChainstate	(	ChainstateManager &	chainman,
		const CacheSizes &	cache_sizes,
		const ChainstateLoadOptions &	options
	)

This sequence can have 4 types of outcomes:

Success
Shutdown requested
- nothing failed but a shutdown was triggered in the middle of the sequence
Soft failure
- a failure that might be recovered from with a reindex
Hard failure
- a failure that definitively cannot be recovered from with a reindex

LoadChainstate returns a (status code, error string) tuple.

Definition at line 173 of file chainstate.cpp.

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◆ LoadMempool()

bool node::LoadMempool	(	CTxMemPool &	pool,
		const fs::path &	load_path,
		Chainstate &	active_chainstate,
		ImportMempoolOptions &&	opts
	)

Import the file and attempt to add its contents to the mempool.

Definition at line 41 of file mempool_persist.cpp.

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◆ MakeMinisketch32()

Minisketch node::MakeMinisketch32 ( size_t capacity )

Wrapper around Minisketch::Minisketch(32, implementation, capacity).

Definition at line 70 of file minisketchwrapper.cpp.

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◆ MakeMinisketch32FP()

Minisketch node::MakeMinisketch32FP	(	size_t	max_elements,
		uint32_t	fpbits
	)

Wrapper around Minisketch::CreateFP.

Definition at line 75 of file minisketchwrapper.cpp.

◆ MempoolPath()

fs::path node::MempoolPath ( const ArgsManager & argsman )

Definition at line 18 of file mempool_persist_args.cpp.

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◆ operator<<() [1/2]

std::ostream & node::operator<<	(	std::ostream &	os,
		const BlockfileCursor &	cursor
	)

Definition at line 1278 of file blockstorage.cpp.

◆ operator<<() [2/2]

std::ostream & node::operator<<	(	std::ostream &	os,
		const BlockfileType &	type
	)

Definition at line 1269 of file blockstorage.cpp.

◆ ReadCoinsViewArgs()

void node::ReadCoinsViewArgs	(	const ArgsManager &	args,
		CoinsViewOptions &	options
	)

Definition at line 11 of file coins_view_args.cpp.

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◆ ReadDatabaseArgs()

void node::ReadDatabaseArgs	(	const ArgsManager &	args,
		DBOptions &	options
	)

Definition at line 11 of file database_args.cpp.

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◆ ReadNotificationArgs()

void node::ReadNotificationArgs	(	const ArgsManager &	args,
		KernelNotifications &	notifications
	)

Definition at line 110 of file kernel_notifications.cpp.

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◆ ReadSnapshotBaseBlockhash()

std::optional< uint256 > node::ReadSnapshotBaseBlockhash ( fs::path chaindir )

Definition at line 49 of file utxo_snapshot.cpp.

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◆ RegenerateCommitments()

void node::RegenerateCommitments	(	CBlock &	block,
		ChainstateManager &	chainman
	)

Update an old GenerateCoinbaseCommitment from CreateNewBlock after the block txs have changed.

Definition at line 56 of file miner.cpp.

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◆ ShouldPersistMempool()

bool node::ShouldPersistMempool ( const ArgsManager & argsman )

Definition at line 13 of file mempool_persist_args.cpp.

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◆ UpdatePackagesForAdded()

static int node::UpdatePackagesForAdded	(	const CTxMemPool &	mempool,
		const CTxMemPool::setEntries &	alreadyAdded,
		indexed_modified_transaction_set &	mapModifiedTx
	)

static

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

Returns number of updated descendants.

Definition at line 242 of file miner.cpp.

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◆ UpdateTime()

int64_t node::UpdateTime	(	CBlockHeader *	pblock,
		const Consensus::Params &	consensusParams,
		const CBlockIndex *	pindexPrev
	)

Definition at line 31 of file miner.cpp.

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◆ VerifyLoadedChainstate()

ChainstateLoadResult node::VerifyLoadedChainstate	(	ChainstateManager &	chainman,
		const ChainstateLoadOptions &	options
	)

Definition at line 258 of file chainstate.cpp.

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◆ WriteSnapshotBaseBlockhash()

bool node::WriteSnapshotBaseBlockhash ( Chainstate & snapshot_chainstate )

Definition at line 23 of file utxo_snapshot.cpp.

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Variable Documentation

◆ BLOCK_SERIALIZATION_HEADER_SIZE

constexpr size_t node::BLOCK_SERIALIZATION_HEADER_SIZE = std::tuple_size_v<MessageStartChars> + sizeof(unsigned int)

staticconstexpr

Size of header written by WriteBlockToDisk before a serialized CBlock.

Definition at line 78 of file blockstorage.h.

◆ BLOCKFILE_CHUNK_SIZE

const unsigned int node::BLOCKFILE_CHUNK_SIZE = 0x1000000

static

The pre-allocation chunk size for blk?????.dat files (since 0.8)

Definition at line 71 of file blockstorage.h.

◆ DEFAULT_MAX_BURN_AMOUNT

const CAmount node::DEFAULT_MAX_BURN_AMOUNT {0}

static

Maximum burn value for sendrawtransaction, submitpackage, and testmempoolaccept RPC calls.

By default, a transaction with a burn value higher than this will be rejected by these RPCs and the GUI. This can be overridden with the maxburnamount argument.

Definition at line 33 of file transaction.h.

◆ DEFAULT_MAX_RAW_TX_FEE_RATE

const CFeeRate node::DEFAULT_MAX_RAW_TX_FEE_RATE {COIN / 10}

static

Maximum fee rate for sendrawtransaction and testmempoolaccept RPC calls.

Also used by the GUI when broadcasting a completed PSBT. By default, a transaction with a fee rate higher than this will be rejected by these RPCs and the GUI. This can be overridden with the maxfeerate argument.

Definition at line 27 of file transaction.h.

◆ DEFAULT_PERSIST_MEMPOOL

constexpr bool node::DEFAULT_PERSIST_MEMPOOL {true}

staticconstexpr

Default for -persistmempool, indicating whether the node should attempt to automatically load the mempool on start and save to disk on shutdown.

Definition at line 18 of file mempool_persist_args.h.

◆ DEFAULT_PRINT_MODIFIED_FEE

const bool node::DEFAULT_PRINT_MODIFIED_FEE = false

static

Definition at line 34 of file miner.h.

◆ DEFAULT_STOPATHEIGHT

constexpr int node::DEFAULT_STOPATHEIGHT {0}

staticconstexpr

Definition at line 30 of file kernel_notifications.h.

◆ GETDATA_TX_INTERVAL

constexpr auto node::GETDATA_TX_INTERVAL {60s}

staticconstexpr

How long to wait before downloading a transaction from an additional peer.

Definition at line 38 of file txdownloadman.h.

◆ MAX_BLOCKFILE_SIZE

const unsigned int node::MAX_BLOCKFILE_SIZE = 0x8000000

static

The maximum size of a blk?????.dat file (since 0.8)

Definition at line 75 of file blockstorage.h.

◆ MAX_PEER_TX_ANNOUNCEMENTS

constexpr int32_t node::MAX_PEER_TX_ANNOUNCEMENTS = 5000

staticconstexpr

Maximum number of transactions to consider for requesting, per peer.

It provides a reasonable DoS limit to per-peer memory usage spent on announcements, while covering peers continuously sending INVs at the maximum rate (by our own policy, see INVENTORY_BROADCAST_PER_SECOND) for several minutes, while not receiving the actual transaction (from any peer) in response to requests for them.

Definition at line 30 of file txdownloadman.h.

◆ MAX_PEER_TX_REQUEST_IN_FLIGHT

constexpr int32_t node::MAX_PEER_TX_REQUEST_IN_FLIGHT = 100

staticconstexpr

Maximum number of in-flight transaction requests from a peer.

It is not a hard limit, but the threshold at which point the OVERLOADED_PEER_TX_DELAY kicks in.

Definition at line 25 of file txdownloadman.h.

◆ MEMPOOL_DUMP_VERSION

const uint64_t node::MEMPOOL_DUMP_VERSION {2}

static

Definition at line 39 of file mempool_persist.cpp.

◆ MEMPOOL_DUMP_VERSION_NO_XOR_KEY

const uint64_t node::MEMPOOL_DUMP_VERSION_NO_XOR_KEY {1}

static

Definition at line 38 of file mempool_persist.cpp.

◆ NONPREF_PEER_TX_DELAY

constexpr auto node::NONPREF_PEER_TX_DELAY {2s}

staticconstexpr

How long to delay requesting transactions from non-preferred peers.

Definition at line 34 of file txdownloadman.h.

◆ OVERLOADED_PEER_TX_DELAY

constexpr auto node::OVERLOADED_PEER_TX_DELAY {2s}

staticconstexpr

How long to delay requesting transactions from overloaded peers (see MAX_PEER_TX_REQUEST_IN_FLIGHT).

Definition at line 36 of file txdownloadman.h.

◆ SNAPSHOT_BLOCKHASH_FILENAME

const fs::path node::SNAPSHOT_BLOCKHASH_FILENAME {"base_blockhash"}

The file in the snapshot chainstate dir which stores the base blockhash.

This is needed to reconstruct snapshot chainstates on init.

Because we only allow loading a single snapshot at a time, there will only be one chainstate directory with this filename present within it.

Definition at line 109 of file utxo_snapshot.h.

◆ SNAPSHOT_CHAINSTATE_SUFFIX

bool WriteSnapshotBaseBlockhash (Chainstate& snapshot_chainstate) EXCLUSIVE_LOCKS_REQUIRED( std::optional<uint256> ReadSnapshotBaseBlockhash (fs::path chaindir) EXCLUSIVE_LOCKS_REQUIRED( constexpr std::string_view node::SNAPSHOT_CHAINSTATE_SUFFIX = "_snapshot"

constexpr

Write out the blockhash of the snapshot base block that was used to construct this chainstate.

This value is read in during subsequent initializations and used to reconstruct snapshot-based chainstates. Read the blockhash of the snapshot base block that was used to construct the chainstate. Suffix appended to the chainstate (leveldb) dir when created based upon a snapshot.

Definition at line 124 of file utxo_snapshot.h.

◆ TXID_RELAY_DELAY

constexpr auto node::TXID_RELAY_DELAY {2s}

staticconstexpr

How long to delay requesting transactions via txids, if we have wtxid-relaying peers.

Definition at line 32 of file txdownloadman.h.

◆ UNDOFILE_CHUNK_SIZE

const unsigned int node::UNDOFILE_CHUNK_SIZE = 0x100000

static

The pre-allocation chunk size for rev?????.dat files (since 0.8)

Definition at line 73 of file blockstorage.h.

Classes

Typedefs

Enumerations

Functions

Variables

Typedef Documentation

◆ BlockMap

◆ ChainstateLoadResult

◆ indexed_modified_transaction_set

◆ modtxiter

◆ modtxscoreiter

Enumeration Type Documentation

◆ BlockfileType

◆ ChainstateLoadStatus

◆ TransactionError

◆ Warning

Function Documentation

◆ AbortNode()

◆ AnalyzePSBT()

◆ ApplyArgsManOptions() [1/4]

◆ ApplyArgsManOptions() [2/4]

◆ ApplyArgsManOptions() [3/4]

◆ ApplyArgsManOptions() [4/4]

◆ BroadcastTransaction()

◆ CalculateCacheSizes()

◆ ClampOptions()

◆ CompleteChainstateInitialization()

◆ DumpMempool() [1/2]

◆ DumpMempool() [2/2]

◆ FindCoins()

◆ FindSnapshotChainstateDir()

◆ GetTransaction()

◆ GetWarningsForRpc()

◆ HandleATMPError()

◆ ImportBlocks()

◆ InitBlocksdirXorKey()

◆ LoadChainstate()

◆ LoadMempool()

◆ MakeMinisketch32()

◆ MakeMinisketch32FP()

◆ MempoolPath()

◆ operator<<() [1/2]

◆ operator<<() [2/2]

◆ ReadCoinsViewArgs()

◆ ReadDatabaseArgs()

◆ ReadNotificationArgs()

◆ ReadSnapshotBaseBlockhash()

◆ RegenerateCommitments()

◆ ShouldPersistMempool()

◆ UpdatePackagesForAdded()

◆ UpdateTime()

◆ VerifyLoadedChainstate()

◆ WriteSnapshotBaseBlockhash()

Variable Documentation

◆ BLOCK_SERIALIZATION_HEADER_SIZE

◆ BLOCKFILE_CHUNK_SIZE

◆ DEFAULT_MAX_BURN_AMOUNT

◆ DEFAULT_MAX_RAW_TX_FEE_RATE

◆ DEFAULT_PERSIST_MEMPOOL

◆ DEFAULT_PRINT_MODIFIED_FEE

◆ DEFAULT_STOPATHEIGHT

◆ GETDATA_TX_INTERVAL

◆ MAX_BLOCKFILE_SIZE

◆ MAX_PEER_TX_ANNOUNCEMENTS

◆ MAX_PEER_TX_REQUEST_IN_FLIGHT

◆ MEMPOOL_DUMP_VERSION

◆ MEMPOOL_DUMP_VERSION_NO_XOR_KEY

◆ NONPREF_PEER_TX_DELAY

◆ OVERLOADED_PEER_TX_DELAY

◆ SNAPSHOT_BLOCKHASH_FILENAME

◆ SNAPSHOT_CHAINSTATE_SUFFIX

◆ TXID_RELAY_DELAY

◆ UNDOFILE_CHUNK_SIZE