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Merge #7459: Consensus: Decouple pow.o from util.o

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f3757a0 Consensus: Decouple pow.cpp from util.h (Jorge Timón)
This commit is contained in:
Wladimir J. van der Laan 2016-02-05 11:19:36 +01:00
parent cf63d5c710 f3757a0391
commit e7ea5db0c1
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GPG key ID: 74810B012346C9A6
2 changed files with 5 additions and 12 deletions
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5
src/main.cpp
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@ -2291,8 +2291,9 @@ void static UpdateTip(CBlockIndex *pindexNew) {
nTimeBestReceived = GetTime();
mempool.AddTransactionsUpdated(1);
LogPrintf("%s: new best=%s height=%d log2_work=%.8g tx=%lu date=%s progress=%f cache=%.1fMiB(%utx)\n", __func__,
chainActive.Tip()->GetBlockHash().ToString(), chainActive.Height(), log(chainActive.Tip()->nChainWork.getdouble())/log(2.0), (unsigned long)chainActive.Tip()->nChainTx,
LogPrintf("%s: new best=%s height=%d bits=%d log2_work=%.8g tx=%lu date=%s progress=%f cache=%.1fMiB(%utx)\n", __func__,
chainActive.Tip()->GetBlockHash().ToString(), chainActive.Height(), chainActive.Tip()->nBits,
log(chainActive.Tip()->nChainWork.getdouble())/log(2.0), (unsigned long)chainActive.Tip()->nChainTx,
DateTimeStrFormat("%Y-%m-%d %H:%M:%S", chainActive.Tip()->GetBlockTime()),
Checkpoints::GuessVerificationProgress(chainParams.Checkpoints(), chainActive.Tip()), pcoinsTip->DynamicMemoryUsage() * (1.0 / (1<<20)), pcoinsTip->GetCacheSize());

12
src/pow.cpp
View file

@ -9,7 +9,6 @@
#include "chain.h"
#include "primitives/block.h"
#include "uint256.h"
#include "util.h"
unsigned int GetNextWorkRequired(const CBlockIndex* pindexLast, const CBlockHeader *pblock, const Consensus::Params& params)
{
@ -57,7 +56,6 @@ unsigned int CalculateNextWorkRequired(const CBlockIndex* pindexLast, int64_t nF
// Limit adjustment step
int64_t nActualTimespan = pindexLast->GetBlockTime() - nFirstBlockTime;
LogPrintf(" nActualTimespan = %d before bounds\n", nActualTimespan);
if (nActualTimespan < params.nPowTargetTimespan/4)
nActualTimespan = params.nPowTargetTimespan/4;
if (nActualTimespan > params.nPowTargetTimespan*4)
@ -75,12 +73,6 @@ unsigned int CalculateNextWorkRequired(const CBlockIndex* pindexLast, int64_t nF
if (bnNew > bnPowLimit)
bnNew = bnPowLimit;
/// debug print
LogPrintf("GetNextWorkRequired RETARGET\n");
LogPrintf("params.nPowTargetTimespan = %d nActualTimespan = %d\n", params.nPowTargetTimespan, nActualTimespan);
LogPrintf("Before: %08x %s\n", pindexLast->nBits, bnOld.ToString());
LogPrintf("After: %08x %s\n", bnNew.GetCompact(), bnNew.ToString());
return bnNew.GetCompact();
}
@ -94,11 +86,11 @@ bool CheckProofOfWork(uint256 hash, unsigned int nBits, const Consensus::Params&
// Check range
if (fNegative || bnTarget == 0 || fOverflow || bnTarget > UintToArith256(params.powLimit))
return error("CheckProofOfWork(): nBits below minimum work");
return false;
// Check proof of work matches claimed amount
if (UintToArith256(hash) > bnTarget)
return error("CheckProofOfWork(): hash doesn't match nBits");
return false;
return true;
}