diff options
| -rw-r--r-- | src/txmempool.cpp | 16 | ||||
| -rw-r--r-- | src/txmempool.h | 9 |
2 files changed, 14 insertions, 11 deletions
diff --git a/src/txmempool.cpp b/src/txmempool.cpp index 65c8b4ea60..9f785d4115 100644 --- a/src/txmempool.cpp +++ b/src/txmempool.cpp @@ -14,6 +14,7 @@ #include <policy/policy.h> #include <policy/settings.h> #include <reverse_iterator.h> +#include <util/check.h> #include <util/moneystr.h> #include <util/system.h> #include <util/time.h> @@ -82,6 +83,7 @@ CTxMemPoolEntry::CTxMemPoolEntry(const CTransactionRef& tx, CAmount fee, entryHeight{entry_height}, spendsCoinbase{spends_coinbase}, sigOpCost{sigops_cost}, + m_modified_fee{nFee}, lockPoints{lp}, nSizeWithDescendants{GetTxSize()}, nModFeesWithDescendants{nFee}, @@ -89,11 +91,11 @@ CTxMemPoolEntry::CTxMemPoolEntry(const CTransactionRef& tx, CAmount fee, nModFeesWithAncestors{nFee}, nSigOpCostWithAncestors{sigOpCost} {} -void CTxMemPoolEntry::UpdateFeeDelta(CAmount newFeeDelta) +void CTxMemPoolEntry::UpdateModifiedFee(CAmount fee_diff) { - nModFeesWithDescendants += newFeeDelta - feeDelta; - nModFeesWithAncestors += newFeeDelta - feeDelta; - feeDelta = newFeeDelta; + nModFeesWithDescendants += fee_diff; + nModFeesWithAncestors += fee_diff; + m_modified_fee += fee_diff; } void CTxMemPoolEntry::UpdateLockPoints(const LockPoints& lp) @@ -483,8 +485,10 @@ void CTxMemPool::addUnchecked(const CTxMemPoolEntry &entry, setEntries &setAnces // Update transaction for any feeDelta created by PrioritiseTransaction CAmount delta{0}; ApplyDelta(entry.GetTx().GetHash(), delta); + // The following call to UpdateModifiedFee assumes no previous fee modifications + Assume(entry.GetFee() == entry.GetModifiedFee()); if (delta) { - mapTx.modify(newit, [&delta](CTxMemPoolEntry& e) { e.UpdateFeeDelta(delta); }); + mapTx.modify(newit, [&delta](CTxMemPoolEntry& e) { e.UpdateModifiedFee(delta); }); } // Update cachedInnerUsage to include contained transaction's usage. @@ -920,7 +924,7 @@ void CTxMemPool::PrioritiseTransaction(const uint256& hash, const CAmount& nFeeD delta += nFeeDelta; txiter it = mapTx.find(hash); if (it != mapTx.end()) { - mapTx.modify(it, [&delta](CTxMemPoolEntry& e) { e.UpdateFeeDelta(delta); }); + mapTx.modify(it, [&nFeeDelta](CTxMemPoolEntry& e) { e.UpdateModifiedFee(nFeeDelta); }); // Now update all ancestors' modified fees with descendants setEntries setAncestors; uint64_t nNoLimit = std::numeric_limits<uint64_t>::max(); diff --git a/src/txmempool.h b/src/txmempool.h index f5d5abc62e..6320378c04 100644 --- a/src/txmempool.h +++ b/src/txmempool.h @@ -101,7 +101,7 @@ private: const unsigned int entryHeight; //!< Chain height when entering the mempool const bool spendsCoinbase; //!< keep track of transactions that spend a coinbase const int64_t sigOpCost; //!< Total sigop cost - CAmount feeDelta{0}; //!< Used for determining the priority of the transaction for mining in a block + CAmount m_modified_fee; //!< Used for determining the priority of the transaction for mining in a block LockPoints lockPoints; //!< Track the height and time at which tx was final // Information about descendants of this transaction that are in the @@ -131,7 +131,7 @@ public: std::chrono::seconds GetTime() const { return std::chrono::seconds{nTime}; } unsigned int GetHeight() const { return entryHeight; } int64_t GetSigOpCost() const { return sigOpCost; } - CAmount GetModifiedFee() const { return nFee + feeDelta; } + CAmount GetModifiedFee() const { return m_modified_fee; } size_t DynamicMemoryUsage() const { return nUsageSize; } const LockPoints& GetLockPoints() const { return lockPoints; } @@ -139,9 +139,8 @@ public: void UpdateDescendantState(int64_t modifySize, CAmount modifyFee, int64_t modifyCount); // Adjusts the ancestor state void UpdateAncestorState(int64_t modifySize, CAmount modifyFee, int64_t modifyCount, int64_t modifySigOps); - // Updates the fee delta used for mining priority score, and the - // modified fees with descendants/ancestors. - void UpdateFeeDelta(CAmount newFeeDelta); + // Updates the modified fees with descendants/ancestors. + void UpdateModifiedFee(CAmount fee_diff); // Update the LockPoints after a reorg void UpdateLockPoints(const LockPoints& lp); |