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Add IsCurrentForFeeEstimatation

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Make a more conservative notion of whether the node is caught up to the rest of the network and only count transactions as fee estimation data points if the node is caught up.
This commit is contained in:
Alex Morcos
2016-11-11 13:29:13 -05:00
parent ebafdcabb1
commit dc008c462f
2 changed files with 20 additions and 1 deletions
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19
src/validation.cpp
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@@ -525,6 +525,18 @@ std::string FormatStateMessage(const CValidationState &state)
state.GetRejectCode());
}
static bool IsCurrentForFeeEstimation()
{
AssertLockHeld(cs_main);
if (IsInitialBlockDownload())
return false;
if (chainActive.Tip()->GetBlockTime() < (GetTime() - MAX_FEE_ESTIMATION_TIP_AGE))
return false;
if (chainActive.Height() < pindexBestHeader->nHeight - 1)
return false;
return true;
}
bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const CTransactionRef& ptx, bool fLimitFree,
bool* pfMissingInputs, int64_t nAcceptTime, bool fOverrideMempoolLimit, const CAmount& nAbsurdFee,
std::vector<uint256>& vHashTxnToUncache)
@@ -941,8 +953,13 @@ bool AcceptToMemoryPoolWorker(CTxMemPool& pool, CValidationState& state, const C
}
pool.RemoveStaged(allConflicting, false);
// This transaction should only count for fee estimation if
// the node is not behind and it is not dependent on any other
// transactions in the mempool
bool validForFeeEstimation = IsCurrentForFeeEstimation() && pool.HasNoInputsOf(tx);
// Store transaction in memory
pool.addUnchecked(hash, entry, setAncestors, !IsInitialBlockDownload() && pool.HasNoInputsOf(tx));
pool.addUnchecked(hash, entry, setAncestors, validForFeeEstimation);
// trim mempool and check if tx was trimmed
if (!fOverrideMempoolLimit) {