diff --git a/src/bench/bench.cpp b/src/bench/bench.cpp index 849d924af276d..7b307d6f42381 100644 --- a/src/bench/bench.cpp +++ b/src/bench/bench.cpp @@ -55,13 +55,13 @@ bool benchmark::State::KeepRunning() else { now = gettimedouble(); double elapsed = now - lastTime; - double elapsedOne = elapsed * countMaskInv; + double elapsedOne = elapsed / (countMask + 1); if (elapsedOne < minTime) minTime = elapsedOne; if (elapsedOne > maxTime) maxTime = elapsedOne; // We only use relative values, so don't have to handle 64-bit wrap-around specially nowCycles = perf_cpucycles(); - uint64_t elapsedOneCycles = (nowCycles - lastCycles) * countMaskInv; + uint64_t elapsedOneCycles = (nowCycles - lastCycles) / (countMask + 1); if (elapsedOneCycles < minCycles) minCycles = elapsedOneCycles; if (elapsedOneCycles > maxCycles) maxCycles = elapsedOneCycles; @@ -69,7 +69,6 @@ bool benchmark::State::KeepRunning() // If the execution was much too fast (1/128th of maxElapsed), increase the count mask by 8x and restart timing. // The restart avoids including the overhead of this code in the measurement. countMask = ((countMask<<3)|7) & ((1LL<<60)-1); - countMaskInv = 1./(countMask+1); count = 0; minTime = std::numeric_limits::max(); maxTime = std::numeric_limits::min(); @@ -81,7 +80,6 @@ bool benchmark::State::KeepRunning() uint64_t newCountMask = ((countMask<<1)|1) & ((1LL<<60)-1); if ((count & newCountMask)==0) { countMask = newCountMask; - countMaskInv = 1./(countMask+1); } } } diff --git a/src/bench/bench.h b/src/bench/bench.h index 1f36f2a4bca1b..79109eaa56151 100644 --- a/src/bench/bench.h +++ b/src/bench/bench.h @@ -41,7 +41,7 @@ namespace benchmark { std::string name; double maxElapsed; double beginTime; - double lastTime, minTime, maxTime, countMaskInv; + double lastTime, minTime, maxTime; uint64_t count; uint64_t countMask; uint64_t beginCycles; @@ -55,7 +55,6 @@ namespace benchmark { minCycles = std::numeric_limits::max(); maxCycles = std::numeric_limits::min(); countMask = 1; - countMaskInv = 1./(countMask + 1); } bool KeepRunning(); }; diff --git a/src/policy/feerate.h b/src/policy/feerate.h index 7e519e3efaab3..3449cdd6990d5 100644 --- a/src/policy/feerate.h +++ b/src/policy/feerate.h @@ -20,10 +20,15 @@ class CFeeRate { private: CAmount nSatoshisPerK; // unit is satoshis-per-1,000-bytes + public: /** Fee rate of 0 satoshis per kB */ CFeeRate() : nSatoshisPerK(0) { } - explicit CFeeRate(const CAmount& _nSatoshisPerK): nSatoshisPerK(_nSatoshisPerK) { } + template + CFeeRate(const I _nSatoshisPerK): nSatoshisPerK(_nSatoshisPerK) { + // We've previously had bugs creep in from silent double->int conversion... + static_assert(std::is_integral::value, "CFeeRate should be used without floats"); + } /** Constructor for a fee rate in satoshis per kB. The size in bytes must not exceed (2^63 - 1)*/ CFeeRate(const CAmount& nFeePaid, size_t nBytes); /** diff --git a/src/policy/fees.cpp b/src/policy/fees.cpp index b9476407cf163..8056f385abf30 100644 --- a/src/policy/fees.cpp +++ b/src/policy/fees.cpp @@ -714,7 +714,7 @@ CFeeRate CBlockPolicyEstimator::estimateRawFee(int confTarget, double successThr if (median < 0) return CFeeRate(0); - return CFeeRate(median); + return CFeeRate(llround(median)); } unsigned int CBlockPolicyEstimator::HighestTargetTracked(FeeEstimateHorizon horizon) const @@ -901,7 +901,7 @@ CFeeRate CBlockPolicyEstimator::estimateSmartFee(int confTarget, FeeCalculation if (median < 0) return CFeeRate(0); // error condition - return CFeeRate(median); + return CFeeRate(llround(median)); } @@ -1043,5 +1043,5 @@ CAmount FeeFilterRounder::round(CAmount currentMinFee) if ((it != feeset.begin() && insecure_rand.rand32() % 3 != 0) || it == feeset.end()) { it--; } - return *it; + return static_cast(*it); } diff --git a/src/rpc/net.cpp b/src/rpc/net.cpp index 018444821338a..a3d3df26a3b4c 100644 --- a/src/rpc/net.cpp +++ b/src/rpc/net.cpp @@ -146,7 +146,7 @@ UniValue getpeerinfo(const JSONRPCRequest& request) obj.push_back(Pair("timeoffset", stats.nTimeOffset)); if (stats.dPingTime > 0.0) obj.push_back(Pair("pingtime", stats.dPingTime)); - if (stats.dMinPing < std::numeric_limits::max()/1e6) + if (stats.dMinPing < static_cast(std::numeric_limits::max())/1e6) obj.push_back(Pair("minping", stats.dMinPing)); if (stats.dPingWait > 0.0) obj.push_back(Pair("pingwait", stats.dPingWait)); diff --git a/src/test/mempool_tests.cpp b/src/test/mempool_tests.cpp index 51b28d09fa4d9..116210a297486 100644 --- a/src/test/mempool_tests.cpp +++ b/src/test/mempool_tests.cpp @@ -559,15 +559,15 @@ BOOST_AUTO_TEST_CASE(MempoolSizeLimitTest) // ... we should keep the same min fee until we get a block pool.removeForBlock(vtx, 1); SetMockTime(42 + 2*CTxMemPool::ROLLING_FEE_HALFLIFE); - BOOST_CHECK_EQUAL(pool.GetMinFee(1).GetFeePerK(), (maxFeeRateRemoved.GetFeePerK() + 1000)/2); + BOOST_CHECK_EQUAL(pool.GetMinFee(1).GetFeePerK(), llround((maxFeeRateRemoved.GetFeePerK() + 1000)/2.0)); // ... then feerate should drop 1/2 each halflife SetMockTime(42 + 2*CTxMemPool::ROLLING_FEE_HALFLIFE + CTxMemPool::ROLLING_FEE_HALFLIFE/2); - BOOST_CHECK_EQUAL(pool.GetMinFee(pool.DynamicMemoryUsage() * 5 / 2).GetFeePerK(), (maxFeeRateRemoved.GetFeePerK() + 1000)/4); + BOOST_CHECK_EQUAL(pool.GetMinFee(pool.DynamicMemoryUsage() * 5 / 2).GetFeePerK(), llround((maxFeeRateRemoved.GetFeePerK() + 1000)/4.0)); // ... with a 1/2 halflife when mempool is < 1/2 its target size SetMockTime(42 + 2*CTxMemPool::ROLLING_FEE_HALFLIFE + CTxMemPool::ROLLING_FEE_HALFLIFE/2 + CTxMemPool::ROLLING_FEE_HALFLIFE/4); - BOOST_CHECK_EQUAL(pool.GetMinFee(pool.DynamicMemoryUsage() * 9 / 2).GetFeePerK(), (maxFeeRateRemoved.GetFeePerK() + 1000)/8); + BOOST_CHECK_EQUAL(pool.GetMinFee(pool.DynamicMemoryUsage() * 9 / 2).GetFeePerK(), llround((maxFeeRateRemoved.GetFeePerK() + 1000)/8.0)); // ... with a 1/4 halflife when mempool is < 1/4 its target size SetMockTime(42 + 7*CTxMemPool::ROLLING_FEE_HALFLIFE + CTxMemPool::ROLLING_FEE_HALFLIFE/2 + CTxMemPool::ROLLING_FEE_HALFLIFE/4); diff --git a/src/txmempool.cpp b/src/txmempool.cpp index f68d677646e2c..776d3f36ca18a 100644 --- a/src/txmempool.cpp +++ b/src/txmempool.cpp @@ -981,7 +981,7 @@ const CTxMemPool::setEntries & CTxMemPool::GetMemPoolChildren(txiter entry) cons CFeeRate CTxMemPool::GetMinFee(size_t sizelimit) const { LOCK(cs); if (!blockSinceLastRollingFeeBump || rollingMinimumFeeRate == 0) - return CFeeRate(rollingMinimumFeeRate); + return CFeeRate(llround(rollingMinimumFeeRate)); int64_t time = GetTime(); if (time > lastRollingFeeUpdate + 10) { @@ -999,7 +999,7 @@ CFeeRate CTxMemPool::GetMinFee(size_t sizelimit) const { return CFeeRate(0); } } - return std::max(CFeeRate(rollingMinimumFeeRate), incrementalRelayFee); + return std::max(CFeeRate(llround(rollingMinimumFeeRate)), incrementalRelayFee); } void CTxMemPool::trackPackageRemoved(const CFeeRate& rate) { diff --git a/src/txmempool.h b/src/txmempool.h index b07886579c035..929d223588364 100644 --- a/src/txmempool.h +++ b/src/txmempool.h @@ -507,7 +507,7 @@ class CTxMemPool * check does nothing. */ void check(const CCoinsViewCache *pcoins) const; - void setSanityCheck(double dFrequency = 1.0) { nCheckFrequency = dFrequency * 4294967295.0; } + void setSanityCheck(double dFrequency = 1.0) { nCheckFrequency = static_cast(dFrequency * 4294967295.0); } // addUnchecked must updated state for all ancestors of a given transaction, // to track size/count of descendant transactions. First version of diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp index b774305a34f37..f14278af3dcea 100644 --- a/src/wallet/wallet.cpp +++ b/src/wallet/wallet.cpp @@ -409,11 +409,11 @@ bool CWallet::ChangeWalletPassphrase(const SecureString& strOldWalletPassphrase, { int64_t nStartTime = GetTimeMillis(); crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod); - pMasterKey.second.nDeriveIterations = pMasterKey.second.nDeriveIterations * (100 / ((double)(GetTimeMillis() - nStartTime))); + pMasterKey.second.nDeriveIterations = static_cast(pMasterKey.second.nDeriveIterations * (100 / ((double)(GetTimeMillis() - nStartTime)))); nStartTime = GetTimeMillis(); crypter.SetKeyFromPassphrase(strNewWalletPassphrase, pMasterKey.second.vchSalt, pMasterKey.second.nDeriveIterations, pMasterKey.second.nDerivationMethod); - pMasterKey.second.nDeriveIterations = (pMasterKey.second.nDeriveIterations + pMasterKey.second.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime))) / 2; + pMasterKey.second.nDeriveIterations = (pMasterKey.second.nDeriveIterations + static_cast(pMasterKey.second.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime)))) / 2; if (pMasterKey.second.nDeriveIterations < 25000) pMasterKey.second.nDeriveIterations = 25000; @@ -615,11 +615,11 @@ bool CWallet::EncryptWallet(const SecureString& strWalletPassphrase) CCrypter crypter; int64_t nStartTime = GetTimeMillis(); crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, 25000, kMasterKey.nDerivationMethod); - kMasterKey.nDeriveIterations = 2500000 / ((double)(GetTimeMillis() - nStartTime)); + kMasterKey.nDeriveIterations = static_cast(2500000 / ((double)(GetTimeMillis() - nStartTime))); nStartTime = GetTimeMillis(); crypter.SetKeyFromPassphrase(strWalletPassphrase, kMasterKey.vchSalt, kMasterKey.nDeriveIterations, kMasterKey.nDerivationMethod); - kMasterKey.nDeriveIterations = (kMasterKey.nDeriveIterations + kMasterKey.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime))) / 2; + kMasterKey.nDeriveIterations = (kMasterKey.nDeriveIterations + static_cast(kMasterKey.nDeriveIterations * 100 / ((double)(GetTimeMillis() - nStartTime)))) / 2; if (kMasterKey.nDeriveIterations < 25000) kMasterKey.nDeriveIterations = 25000;