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Added fPowNoRetargeting field to Consensus::Params that disables nBits recalculation.

tags/v0.15.1
Eric Lombrozo 5 years ago
parent
commit
7801f4387d
3 changed files with 7 additions and 0 deletions
  1. 3
    0
      src/chainparams.cpp
  2. 1
    0
      src/consensus/params.h
  3. 3
    0
      src/pow.cpp

+ 3
- 0
src/chainparams.cpp View File

@@ -76,6 +76,7 @@ public:
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
consensus.nPowTargetSpacing = 10 * 60;
consensus.fPowAllowMinDifficultyBlocks = false;
consensus.fPowNoRetargeting = false;
/**
* The message start string is designed to be unlikely to occur in normal data.
* The characters are rarely used upper ASCII, not valid as UTF-8, and produce
@@ -155,6 +156,7 @@ public:
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
consensus.nPowTargetSpacing = 10 * 60;
consensus.fPowAllowMinDifficultyBlocks = true;
consensus.fPowNoRetargeting = false;
pchMessageStart[0] = 0x0b;
pchMessageStart[1] = 0x11;
pchMessageStart[2] = 0x09;
@@ -217,6 +219,7 @@ public:
consensus.nPowTargetTimespan = 14 * 24 * 60 * 60; // two weeks
consensus.nPowTargetSpacing = 10 * 60;
consensus.fPowAllowMinDifficultyBlocks = true;
consensus.fPowNoRetargeting = true;

pchMessageStart[0] = 0xfa;
pchMessageStart[1] = 0xbf;

+ 1
- 0
src/consensus/params.h View File

@@ -22,6 +22,7 @@ struct Params {
/** Proof of work parameters */
uint256 powLimit;
bool fPowAllowMinDifficultyBlocks;
bool fPowNoRetargeting;
int64_t nPowTargetSpacing;
int64_t nPowTargetTimespan;
int64_t DifficultyAdjustmentInterval() const { return nPowTargetTimespan / nPowTargetSpacing; }

+ 3
- 0
src/pow.cpp View File

@@ -52,6 +52,9 @@ unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHead

unsigned int CalculateNextWorkRequired(const CBlockIndex* pindexLast, int64_t nFirstBlockTime, const Consensus::Params& params)
{
if (params.fPowNoRetargeting)
return pindexLast->nBits;

// Limit adjustment step
int64_t nActualTimespan = pindexLast->GetBlockTime() - nFirstBlockTime;
LogPrintf(" nActualTimespan = %d before bounds\n", nActualTimespan);

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