Bitcoin Core  24.1.0
P2P Digital Currency
Classes | Functions | Variables
blockchain.cpp File Reference
#include <rpc/blockchain.h>
#include <blockfilter.h>
#include <chain.h>
#include <chainparams.h>
#include <coins.h>
#include <consensus/amount.h>
#include <consensus/params.h>
#include <consensus/validation.h>
#include <core_io.h>
#include <deploymentinfo.h>
#include <deploymentstatus.h>
#include <fs.h>
#include <hash.h>
#include <index/blockfilterindex.h>
#include <index/coinstatsindex.h>
#include <kernel/coinstats.h>
#include <logging/timer.h>
#include <net.h>
#include <net_processing.h>
#include <node/blockstorage.h>
#include <node/context.h>
#include <node/utxo_snapshot.h>
#include <primitives/transaction.h>
#include <rpc/server.h>
#include <rpc/server_util.h>
#include <rpc/util.h>
#include <script/descriptor.h>
#include <streams.h>
#include <sync.h>
#include <txdb.h>
#include <txmempool.h>
#include <undo.h>
#include <univalue.h>
#include <util/check.h>
#include <util/strencodings.h>
#include <util/system.h>
#include <util/translation.h>
#include <validation.h>
#include <validationinterface.h>
#include <versionbits.h>
#include <warnings.h>
#include <stdint.h>
#include <condition_variable>
#include <memory>
#include <mutex>
Include dependency graph for blockchain.cpp:

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Classes

struct  CUpdatedBlock
 
struct  CompareBlocksByHeight
 Comparison function for sorting the getchaintips heads. More...
 
class  CoinsViewScanReserver
 

Functions

static CUpdatedBlock latestblock GUARDED_BY (cs_blockchange)
 
double GetDifficulty (const CBlockIndex *blockindex)
 Get the difficulty of the net wrt to the given block index. More...
 
static int ComputeNextBlockAndDepth (const CBlockIndex *tip, const CBlockIndex *blockindex, const CBlockIndex *&next)
 
static const CBlockIndexParseHashOrHeight (const UniValue &param, ChainstateManager &chainman)
 
UniValue blockheaderToJSON (const CBlockIndex *tip, const CBlockIndex *blockindex)
 Block header to JSON. More...
 
UniValue blockToJSON (BlockManager &blockman, const CBlock &block, const CBlockIndex *tip, const CBlockIndex *blockindex, TxVerbosity verbosity)
 Block description to JSON. More...
 
static RPCHelpMan getblockcount ()
 
static RPCHelpMan getbestblockhash ()
 
void RPCNotifyBlockChange (const CBlockIndex *pindex)
 Callback for when block tip changed. More...
 
static RPCHelpMan waitfornewblock ()
 
static RPCHelpMan waitforblock ()
 
static RPCHelpMan waitforblockheight ()
 
static RPCHelpMan syncwithvalidationinterfacequeue ()
 
static RPCHelpMan getdifficulty ()
 
static RPCHelpMan getblockfrompeer ()
 
static RPCHelpMan getblockhash ()
 
static RPCHelpMan getblockheader ()
 
static CBlock GetBlockChecked (BlockManager &blockman, const CBlockIndex *pblockindex) EXCLUSIVE_LOCKS_REQUIRED(
 
static CBlockUndo GetUndoChecked (BlockManager &blockman, const CBlockIndex *pblockindex) EXCLUSIVE_LOCKS_REQUIRED(cs_main)
 
static RPCHelpMan getblock ()
 
static RPCHelpMan pruneblockchain ()
 
CoinStatsHashType ParseHashType (const std::string &hash_type_input)
 
static std::optional< kernel::CCoinsStatsGetUTXOStats (CCoinsView *view, node::BlockManager &blockman, kernel::CoinStatsHashType hash_type, const std::function< void()> &interruption_point={}, const CBlockIndex *pindex=nullptr, bool index_requested=true)
 Calculate statistics about the unspent transaction output set. More...
 
static RPCHelpMan gettxoutsetinfo ()
 
static RPCHelpMan gettxout ()
 
static RPCHelpMan verifychain ()
 
static void SoftForkDescPushBack (const CBlockIndex *blockindex, UniValue &softforks, const ChainstateManager &chainman, Consensus::BuriedDeployment dep)
 
static void SoftForkDescPushBack (const CBlockIndex *blockindex, UniValue &softforks, const ChainstateManager &chainman, Consensus::DeploymentPos id)
 
RPCHelpMan getblockchaininfo ()
 
static RPCHelpMan getdeploymentinfo ()
 
static RPCHelpMan getchaintips ()
 
static RPCHelpMan preciousblock ()
 
static RPCHelpMan invalidateblock ()
 
static RPCHelpMan reconsiderblock ()
 
static RPCHelpMan getchaintxstats ()
 
template<typename T >
static T CalculateTruncatedMedian (std::vector< T > &scores)
 
void CalculatePercentilesByWeight (CAmount result[NUM_GETBLOCKSTATS_PERCENTILES], std::vector< std::pair< CAmount, int64_t >> &scores, int64_t total_weight)
 Used by getblockstats to get feerates at different percentiles by weight. More...
 
template<typename T >
static bool SetHasKeys (const std::set< T > &set)
 
template<typename T , typename Tk , typename... Args>
static bool SetHasKeys (const std::set< T > &set, const Tk &key, const Args &... args)
 
static RPCHelpMan getblockstats ()
 
static RPCHelpMan scantxoutset ()
 
static RPCHelpMan getblockfilter ()
 
static RPCHelpMan dumptxoutset ()
 Serialize the UTXO set to a file for loading elsewhere. More...
 
UniValue CreateUTXOSnapshot (NodeContext &node, Chainstate &chainstate, AutoFile &afile, const fs::path &path, const fs::path &temppath)
 Helper to create UTXO snapshots given a chainstate and a file handle. More...
 
void RegisterBlockchainRPCCommands (CRPCTable &t)
 

Variables

static GlobalMutex cs_blockchange
 
static std::condition_variable cond_blockchange
 
const RPCResult getblock_vin
 
static constexpr size_t PER_UTXO_OVERHEAD = sizeof(COutPoint) + sizeof(uint32_t) + sizeof(bool)
 
static std::atomic< int > g_scan_progress
 RAII object to prevent concurrency issue when scanning the txout set. More...
 
static std::atomic< bool > g_scan_in_progress
 
static std::atomic< bool > g_should_abort_scan
 

Function Documentation

◆ blockheaderToJSON()

UniValue blockheaderToJSON ( const CBlockIndex tip,
const CBlockIndex blockindex 
)

Block header to JSON.

Definition at line 136 of file blockchain.cpp.

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◆ blockToJSON()

UniValue blockToJSON ( BlockManager blockman,
const CBlock block,
const CBlockIndex tip,
const CBlockIndex blockindex,
TxVerbosity  verbosity 
)

Block description to JSON.

Definition at line 165 of file blockchain.cpp.

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◆ CalculatePercentilesByWeight()

void CalculatePercentilesByWeight ( CAmount  result[NUM_GETBLOCKSTATS_PERCENTILES],
std::vector< std::pair< CAmount, int64_t >> &  scores,
int64_t  total_weight 
)

Used by getblockstats to get feerates at different percentiles by weight.

Definition at line 1683 of file blockchain.cpp.

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◆ CalculateTruncatedMedian()

template<typename T >
static T CalculateTruncatedMedian ( std::vector< T > &  scores)
static

Definition at line 1668 of file blockchain.cpp.

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◆ ComputeNextBlockAndDepth()

static int ComputeNextBlockAndDepth ( const CBlockIndex tip,
const CBlockIndex blockindex,
const CBlockIndex *&  next 
)
static

Definition at line 98 of file blockchain.cpp.

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◆ CreateUTXOSnapshot()

UniValue CreateUTXOSnapshot ( node::NodeContext node,
Chainstate chainstate,
AutoFile afile,
const fs::path path,
const fs::path tmppath 
)

Helper to create UTXO snapshots given a chainstate and a file handle.

Returns
a UniValue map containing metadata about the snapshot.

Definition at line 2329 of file blockchain.cpp.

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◆ dumptxoutset()

static RPCHelpMan dumptxoutset ( )
static

Serialize the UTXO set to a file for loading elsewhere.

See also
SnapshotMetadata

Definition at line 2273 of file blockchain.cpp.

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◆ getbestblockhash()

static RPCHelpMan getbestblockhash ( )
static

Definition at line 223 of file blockchain.cpp.

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◆ getblock()

static RPCHelpMan getblock ( )
static

Definition at line 631 of file blockchain.cpp.

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◆ getblockchaininfo()

RPCHelpMan getblockchaininfo ( )

Definition at line 1202 of file blockchain.cpp.

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◆ GetBlockChecked()

static CBlock GetBlockChecked ( BlockManager blockman,
const CBlockIndex pblockindex 
)
static

Definition at line 574 of file blockchain.cpp.

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◆ getblockcount()

static RPCHelpMan getblockcount ( )
static

Definition at line 202 of file blockchain.cpp.

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◆ getblockfilter()

static RPCHelpMan getblockfilter ( )
static

Definition at line 2189 of file blockchain.cpp.

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◆ getblockfrompeer()

static RPCHelpMan getblockfrompeer ( )
static

Definition at line 425 of file blockchain.cpp.

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◆ getblockhash()

static RPCHelpMan getblockhash ( )
static

Definition at line 475 of file blockchain.cpp.

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◆ getblockheader()

static RPCHelpMan getblockheader ( )
static

Definition at line 504 of file blockchain.cpp.

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◆ getblockstats()

static RPCHelpMan getblockstats ( )
static

Definition at line 1723 of file blockchain.cpp.

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◆ getchaintips()

static RPCHelpMan getchaintips ( )
static

Definition at line 1368 of file blockchain.cpp.

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◆ getchaintxstats()

static RPCHelpMan getchaintxstats ( )
static

Definition at line 1587 of file blockchain.cpp.

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◆ getdeploymentinfo()

static RPCHelpMan getdeploymentinfo ( )
static

Definition at line 1310 of file blockchain.cpp.

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◆ GetDifficulty()

double GetDifficulty ( const CBlockIndex blockindex)

Get the difficulty of the net wrt to the given block index.

Returns
A floating point number that is a multiple of the main net minimum difficulty (4295032833 hashes).

Definition at line 76 of file blockchain.cpp.

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◆ getdifficulty()

static RPCHelpMan getdifficulty ( )
static

Definition at line 405 of file blockchain.cpp.

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◆ gettxout()

static RPCHelpMan gettxout ( )
static

Definition at line 1003 of file blockchain.cpp.

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◆ gettxoutsetinfo()

static RPCHelpMan gettxoutsetinfo ( )
static

Definition at line 852 of file blockchain.cpp.

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◆ GetUndoChecked()

static CBlockUndo GetUndoChecked ( BlockManager blockman,
const CBlockIndex pblockindex 
)
static

Definition at line 592 of file blockchain.cpp.

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◆ GetUTXOStats()

static std::optional<kernel::CCoinsStats> GetUTXOStats ( CCoinsView view,
node::BlockManager blockman,
kernel::CoinStatsHashType  hash_type,
const std::function< void()> &  interruption_point = {},
const CBlockIndex pindex = nullptr,
bool  index_requested = true 
)
static

Calculate statistics about the unspent transaction output set.

Parameters
[in]index_requestedSignals if the coinstatsindex should be used (when available).

Definition at line 827 of file blockchain.cpp.

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◆ GUARDED_BY()

static CUpdatedBlock latestblock GUARDED_BY ( cs_blockchange  )
static

◆ invalidateblock()

static RPCHelpMan invalidateblock ( )
static

Definition at line 1506 of file blockchain.cpp.

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◆ ParseHashOrHeight()

static const CBlockIndex* ParseHashOrHeight ( const UniValue param,
ChainstateManager chainman 
)
static

Definition at line 108 of file blockchain.cpp.

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◆ ParseHashType()

CoinStatsHashType ParseHashType ( const std::string &  hash_type_input)

Definition at line 809 of file blockchain.cpp.

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◆ preciousblock()

static RPCHelpMan preciousblock ( )
static

Definition at line 1466 of file blockchain.cpp.

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◆ pruneblockchain()

static RPCHelpMan pruneblockchain ( )
static

Definition at line 750 of file blockchain.cpp.

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◆ reconsiderblock()

static RPCHelpMan reconsiderblock ( )
static

Definition at line 1547 of file blockchain.cpp.

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◆ RegisterBlockchainRPCCommands()

void RegisterBlockchainRPCCommands ( CRPCTable t)

Definition at line 2403 of file blockchain.cpp.

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◆ RPCNotifyBlockChange()

void RPCNotifyBlockChange ( const CBlockIndex )

Callback for when block tip changed.

Definition at line 243 of file blockchain.cpp.

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◆ scantxoutset()

static RPCHelpMan scantxoutset ( )
static

Definition at line 2022 of file blockchain.cpp.

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◆ SetHasKeys() [1/2]

template<typename T >
static bool SetHasKeys ( const std::set< T > &  set)
inlinestatic

Definition at line 1713 of file blockchain.cpp.

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◆ SetHasKeys() [2/2]

template<typename T , typename Tk , typename... Args>
static bool SetHasKeys ( const std::set< T > &  set,
const Tk &  key,
const Args &...  args 
)
inlinestatic

Definition at line 1715 of file blockchain.cpp.

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◆ SoftForkDescPushBack() [1/2]

static void SoftForkDescPushBack ( const CBlockIndex blockindex,
UniValue softforks,
const ChainstateManager chainman,
Consensus::BuriedDeployment  dep 
)
static

Definition at line 1115 of file blockchain.cpp.

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◆ SoftForkDescPushBack() [2/2]

static void SoftForkDescPushBack ( const CBlockIndex blockindex,
UniValue softforks,
const ChainstateManager chainman,
Consensus::DeploymentPos  id 
)
static

Definition at line 1130 of file blockchain.cpp.

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◆ syncwithvalidationinterfacequeue()

static RPCHelpMan syncwithvalidationinterfacequeue ( )
static

Definition at line 387 of file blockchain.cpp.

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◆ verifychain()

static RPCHelpMan verifychain ( )
static

Definition at line 1085 of file blockchain.cpp.

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◆ waitforblock()

static RPCHelpMan waitforblock ( )
static

Definition at line 295 of file blockchain.cpp.

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◆ waitforblockheight()

static RPCHelpMan waitforblockheight ( )
static

Definition at line 341 of file blockchain.cpp.

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◆ waitfornewblock()

static RPCHelpMan waitfornewblock ( )
static

Definition at line 253 of file blockchain.cpp.

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Variable Documentation

◆ cond_blockchange

std::condition_variable cond_blockchange
static

Definition at line 71 of file blockchain.cpp.

◆ cs_blockchange

GlobalMutex cs_blockchange
static

Definition at line 70 of file blockchain.cpp.

◆ g_scan_in_progress

std::atomic<bool> g_scan_in_progress
static

Definition at line 1995 of file blockchain.cpp.

◆ g_scan_progress

std::atomic<int> g_scan_progress
static

RAII object to prevent concurrency issue when scanning the txout set.

Definition at line 1994 of file blockchain.cpp.

◆ g_should_abort_scan

std::atomic<bool> g_should_abort_scan
static

Definition at line 1996 of file blockchain.cpp.

◆ getblock_vin

const RPCResult getblock_vin
Initial value:
{
{
{
{RPCResult::Type::ELISION, "", "The same output as verbosity = 2"},
{RPCResult::Type::OBJ, "prevout", "(Only if undo information is available)",
{
{RPCResult::Type::BOOL, "generated", "Coinbase or not"},
{RPCResult::Type::NUM, "height", "The height of the prevout"},
{RPCResult::Type::STR_AMOUNT, "value", "The value in " + CURRENCY_UNIT},
{RPCResult::Type::OBJ, "scriptPubKey", "",
{
{RPCResult::Type::STR, "asm", "Disassembly of the public key script"},
{RPCResult::Type::STR, "desc", "Inferred descriptor for the output"},
{RPCResult::Type::STR_HEX, "hex", "The raw public key script bytes, hex-encoded"},
{RPCResult::Type::STR, "address", true, "The Bitcoin address (only if a well-defined address exists)"},
{RPCResult::Type::STR, "type", "The type (one of: " + GetAllOutputTypes() + ")"},
}},
}},
}},
}
}
std::string GetAllOutputTypes()
Gets all existing output types formatted for RPC help sections.
Definition: util.cpp:23
Special string with only hex chars.
const std::string CURRENCY_UNIT
Definition: feerate.h:17
Special string to represent a floating point amount.
Special type to denote elision (...)

Definition at line 607 of file blockchain.cpp.

◆ PER_UTXO_OVERHEAD

constexpr size_t PER_UTXO_OVERHEAD = sizeof(COutPoint) + sizeof(uint32_t) + sizeof(bool)
static

Definition at line 1721 of file blockchain.cpp.