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-rw-r--r--src/chainparams.cpp3
-rw-r--r--src/consensus/params.h1
-rw-r--r--src/pow.cpp3
3 files changed, 7 insertions, 0 deletions
diff --git a/src/chainparams.cpp b/src/chainparams.cpp
index 430b75683b..52d818059e 100644
--- a/src/chainparams.cpp
+++ b/src/chainparams.cpp
@@ -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;
diff --git a/src/consensus/params.h b/src/consensus/params.h
index c480a1cce1..efbbbed352 100644
--- a/src/consensus/params.h
+++ b/src/consensus/params.h
@@ -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; }
diff --git a/src/pow.cpp b/src/pow.cpp
index bb53ad204b..5ace3fbc9b 100644
--- a/src/pow.cpp
+++ b/src/pow.cpp
@@ -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);