DragonX/hush3
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Only enable min-difficulty blocks on testnet from a particular height

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The min-difficulty change is a bilateral consensus rule change, and so
must be conditionally enabled in order for the earlier section of the
chain to synchronise.

Technically this could be implemented as a network upgrade, but as this will
never be deployed to mainnet, a targeted fork will suffice.
This commit is contained in:
Jack Grigg
2018-10-04 14:05:27 +01:00
parent 1702a86455
commit b86dc98047
4 changed files with 11 additions and 7 deletions
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5
src/miner.cpp
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@@ -103,8 +103,9 @@ 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.fPowAllowMinDifficultyBlocks)
if (consensusParams.nPowAllowMinDifficultyBlocksFromHeight) {
pblock->nBits = GetNextWorkRequired(pindexPrev, pblock, consensusParams);
}
}
CBlockTemplate* CreateNewBlock(const CScript& scriptPubKeyIn)
@@ -726,7 +727,7 @@ void static BitcoinMiner()
// Update nNonce and nTime
pblock->nNonce = ArithToUint256(UintToArith256(pblock->nNonce) + 1);
UpdateTime(pblock, chainparams.GetConsensus(), pindexPrev);
if (chainparams.GetConsensus().fPowAllowMinDifficultyBlocks)
if (chainparams.GetConsensus().nPowAllowMinDifficultyBlocksFromHeight)
{
// Changing pblock->nTime can change work required on testnet:
hashTarget.SetCompact(pblock->nBits);