chain.cpp File Reference

#include <chain.h>
#include <util/time.h>

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Functions
static int	InvertLowestOne (int n)
	Turn the lowest '1' bit in the binary representation of a number into a '0'. More...
static int	GetSkipHeight (int height)
	Compute what height to jump back to with the CBlockIndex::pskip pointer. More...
arith_uint256	GetBlockProof (const CBlockIndex &block)
int64_t	GetBlockProofEquivalentTime (const CBlockIndex &to, const CBlockIndex &from, const CBlockIndex &tip, const Consensus::Params &params)
	Return the time it would take to redo the work difference between from and to, assuming the current hashrate corresponds to the difficulty at tip, in seconds. More...
const CBlockIndex *	LastCommonAncestor (const CBlockIndex *pa, const CBlockIndex *pb)
	Find the last common ancestor two blocks have. More...

Function Documentation

GetBlockProof()

arith_uint256 GetBlockProof

(

const CBlockIndex &

block

)

Definition at line 125 of file chain.cpp.

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GetBlockProofEquivalentTime()

int64_t GetBlockProofEquivalentTime	(	const CBlockIndex &	to,
		const CBlockIndex &	from,
		const CBlockIndex &	tip,
		const Consensus::Params &	params
	)

Return the time it would take to redo the work difference between from and to, assuming the current hashrate corresponds to the difficulty at tip, in seconds.

Definition at line 140 of file chain.cpp.

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GetSkipHeight()

static int GetSkipHeight ( int  height )

inlinestatic

Compute what height to jump back to with the CBlockIndex::pskip pointer.

Definition at line 77 of file chain.cpp.

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InvertLowestOne()

static int InvertLowestOne ( int  n )

inlinestatic

Turn the lowest '1' bit in the binary representation of a number into a '0'.

Definition at line 74 of file chain.cpp.

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LastCommonAncestor()

const CBlockIndex* LastCommonAncestor	(	const CBlockIndex *	pa,
		const CBlockIndex *	pb
	)

Find the last common ancestor two blocks have.

Find the forking point between two chain tips.

Both pa and pb must be non-nullptr.

Definition at line 159 of file chain.cpp.

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