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[mempool] add GetPrioritisedTransactions

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This commit is contained in:
glozow 2023-04-16 09:05:01 +01:00
parent ccd4db7d62
commit 9e9ca36c80
2 changed files with 29 additions and 0 deletions
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16
src/txmempool.cpp
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@ -890,6 +890,22 @@ void CTxMemPool::ClearPrioritisation(const uint256& hash)
mapDeltas.erase(hash);
}
std::vector<CTxMemPool::delta_info> CTxMemPool::GetPrioritisedTransactions() const
{
AssertLockNotHeld(cs);
LOCK(cs);
std::vector<delta_info> result;
result.reserve(mapDeltas.size());
for (const auto& [txid, delta] : mapDeltas) {
const auto iter{mapTx.find(txid)};
const bool in_mempool{iter != mapTx.end()};
std::optional<CAmount> modified_fee;
if (in_mempool) modified_fee = iter->GetModifiedFee();
result.emplace_back(delta_info{in_mempool, delta, modified_fee, txid});
}
return result;
}
const CTransaction* CTxMemPool::GetConflictTx(const COutPoint& prevout) const
{
const auto it = mapNextTx.find(prevout);

13
src/txmempool.h
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@ -516,6 +516,19 @@ public:
void ApplyDelta(const uint256& hash, CAmount &nFeeDelta) const EXCLUSIVE_LOCKS_REQUIRED(cs);
void ClearPrioritisation(const uint256& hash) EXCLUSIVE_LOCKS_REQUIRED(cs);
struct delta_info {
/** Whether this transaction is in the mempool. */
const bool in_mempool;
/** The fee delta added using PrioritiseTransaction(). */
const CAmount delta;
/** The modified fee (base fee + delta) of this entry. Only present if in_mempool=true. */
std::optional<CAmount> modified_fee;
/** The prioritised transaction's txid. */
const uint256 txid;
};
/** Return a vector of all entries in mapDeltas with their corresponding delta_info. */
std::vector<delta_info> GetPrioritisedTransactions() const EXCLUSIVE_LOCKS_REQUIRED(!cs);
/** Get the transaction in the pool that spends the same prevout */
const CTransaction* GetConflictTx(const COutPoint& prevout) const EXCLUSIVE_LOCKS_REQUIRED(cs);