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Add unit tests for next difficulty calculations

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Split GetNextWorkRequired() into two functions to allow the difficulty calculations to
be tested without requiring a full blockchain.
Add unit tests to cover basic difficulty calculation, plus each of the min/max actual
time, and maximum difficulty target conditions.
This commit is contained in:
Ross Nicoll
2015-02-21 12:57:44 +00:00
parent aaba10f275
commit 34e5015cd2
4 changed files with 74 additions and 1 deletions
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src/pow.h
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@@ -14,6 +14,7 @@ class uint256;
class arith_uint256;
unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHeader *pblock);
unsigned int CalculateNextWorkRequired(const CBlockIndex* pindexLast, int64_t nFirstBlockTime);
/** Check whether a block hash satisfies the proof-of-work requirement specified by nBits */
bool CheckProofOfWork(uint256 hash, unsigned int nBits);