diff options
Diffstat (limited to 'src/policy/fees.cpp')
| -rw-r--r-- | src/policy/fees.cpp | 19 |
1 files changed, 19 insertions, 0 deletions
diff --git a/src/policy/fees.cpp b/src/policy/fees.cpp index 0f31093dbb..f6e378866c 100644 --- a/src/policy/fees.cpp +++ b/src/policy/fees.cpp @@ -10,6 +10,8 @@ #include <txmempool.h> #include <util/system.h> +static const char* FEE_ESTIMATES_FILENAME="fee_estimates.dat"; + static constexpr double INF_FEERATE = 1e99; std::string StringForFeeEstimateHorizon(FeeEstimateHorizon horizon) { @@ -489,6 +491,7 @@ CBlockPolicyEstimator::CBlockPolicyEstimator() { static_assert(MIN_BUCKET_FEERATE > 0, "Min feerate must be nonzero"); size_t bucketIndex = 0; + for (double bucketBoundary = MIN_BUCKET_FEERATE; bucketBoundary <= MAX_BUCKET_FEERATE; bucketBoundary *= FEE_SPACING, bucketIndex++) { buckets.push_back(bucketBoundary); bucketMap[bucketBoundary] = bucketIndex; @@ -500,6 +503,13 @@ CBlockPolicyEstimator::CBlockPolicyEstimator() feeStats = std::unique_ptr<TxConfirmStats>(new TxConfirmStats(buckets, bucketMap, MED_BLOCK_PERIODS, MED_DECAY, MED_SCALE)); shortStats = std::unique_ptr<TxConfirmStats>(new TxConfirmStats(buckets, bucketMap, SHORT_BLOCK_PERIODS, SHORT_DECAY, SHORT_SCALE)); longStats = std::unique_ptr<TxConfirmStats>(new TxConfirmStats(buckets, bucketMap, LONG_BLOCK_PERIODS, LONG_DECAY, LONG_SCALE)); + + // If the fee estimation file is present, read recorded estimations + fs::path est_filepath = GetDataDir() / FEE_ESTIMATES_FILENAME; + CAutoFile est_file(fsbridge::fopen(est_filepath, "rb"), SER_DISK, CLIENT_VERSION); + if (est_file.IsNull() || !Read(est_file)) { + LogPrintf("Failed to read fee estimates from %s. Continue anyway.\n", est_filepath.string()); + } } CBlockPolicyEstimator::~CBlockPolicyEstimator() @@ -856,6 +866,15 @@ CFeeRate CBlockPolicyEstimator::estimateSmartFee(int confTarget, FeeCalculation return CFeeRate(llround(median)); } +void CBlockPolicyEstimator::Flush() { + FlushUnconfirmed(); + + fs::path est_filepath = GetDataDir() / FEE_ESTIMATES_FILENAME; + CAutoFile est_file(fsbridge::fopen(est_filepath, "wb"), SER_DISK, CLIENT_VERSION); + if (est_file.IsNull() || !Write(est_file)) { + LogPrintf("Failed to write fee estimates to %s\n", est_filepath.string()); + } +} bool CBlockPolicyEstimator::Write(CAutoFile& fileout) const { |