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use ordered ledgers_ map for faster first txn lookup

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This commit is contained in:
Nicholas Dudfield
2025-08-18 12:01:39 +07:00
parent a2137d5436
commit 4c41d32276
1 changed files with 4 additions and 9 deletions
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13
src/ripple/app/rdb/backend/RWDBDatabase.h
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@@ -65,17 +65,12 @@ public:
return {};
std::shared_lock<std::shared_mutex> lock(mutex_);
LedgerIndex minSeq = std::numeric_limits<LedgerIndex>::max();
if (transactionMap_.empty())
return std::nullopt;
for (const auto& [_, txMeta] : transactionMap_)
for (const auto& [ledgerSeq, ledgerData] : ledgers_)
{
if (txMeta.second && txMeta.second->getLgrSeq() < minSeq)
minSeq = txMeta.second->getLgrSeq();
if (!ledgerData.transactions.empty())
return ledgerSeq;
}
return minSeq == std::numeric_limits<LedgerIndex>::max()
? std::nullopt
: std::optional<LedgerIndex>(minSeq);
return std::nullopt;
}
std::optional<LedgerIndex>