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Explicitly check the min-difficulty flag against boost::none

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It isn't clear how a boost::optional that holds 0 (which is the case for
regtest) is coerced to a boolean, unless you pore over the Boost
documentation. An explicit check is clearer.
This commit is contained in:
Jack Grigg
2018-10-04 23:29:11 +01:00
parent 1f7ee4af70
commit 4c90270469
2 changed files with 3 additions and 3 deletions
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4
src/miner.cpp
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@@ -103,7 +103,7 @@ void UpdateTime(CBlockHeader* pblock, const Consensus::Params& consensusParams,
pblock->nTime = std::max(pindexPrev->GetMedianTimePast()+1, GetAdjustedTime());
// Updating time can change work required on testnet:
if (consensusParams.nPowAllowMinDifficultyBlocksAfterHeight) {
if (consensusParams.nPowAllowMinDifficultyBlocksAfterHeight != boost::none) {
pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, consensusParams);
}
}
@@ -727,7 +727,7 @@ void static BitcoinMiner()
// Update nNonce and nTime
pblock->nNonce = ArithToUint256(UintToArith256(pblock->nNonce) + 1);
UpdateTime(pblock, chainparams.GetConsensus(), pindexPrev);
if (chainparams.GetConsensus().nPowAllowMinDifficultyBlocksAfterHeight)
if (chainparams.GetConsensus().nPowAllowMinDifficultyBlocksAfterHeight != boost::none)
{
// Changing pblock->nTime can change work required on testnet:
hashTarget.SetCompact(pblock->nBits);

2
src/pow.cpp
View File

@@ -27,7 +27,7 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead
{
// Comparing to pindexLast->nHeight with >= because this function
// returns the work required for the block after pindexLast.
if (params.nPowAllowMinDifficultyBlocksAfterHeight &&
if (params.nPowAllowMinDifficultyBlocksAfterHeight != boost::none &&
pindexLast->nHeight >= params.nPowAllowMinDifficultyBlocksAfterHeight.get())
{
// Special difficulty rule for testnet: