Files
rippled/src/xrpld/app/ledger/ConsensusTransSetSF.cpp
2026-05-11 15:39:48 +00:00

98 lines
2.9 KiB
C++

#include <xrpld/app/ledger/ConsensusTransSetSF.h>
#include <xrpld/app/ledger/TransactionMaster.h>
#include <xrpld/app/misc/Transaction.h>
#include <xrpl/basics/Blob.h>
#include <xrpl/basics/Log.h>
#include <xrpl/basics/SHAMapHash.h>
#include <xrpl/beast/utility/instrumentation.h>
#include <xrpl/core/Job.h>
#include <xrpl/core/JobQueue.h>
#include <xrpl/protocol/HashPrefix.h>
#include <xrpl/protocol/Serializer.h>
#include <xrpl/protocol/digest.h> // IWYU pragma: keep
#include <xrpl/server/NetworkOPs.h>
#include <xrpl/shamap/SHAMapTreeNode.h>
#include <cstdint>
#include <exception>
#include <functional>
#include <memory>
#include <optional>
namespace xrpl {
ConsensusTransSetSF::ConsensusTransSetSF(Application& app, NodeCache& nodeCache)
: app_(app), nodeCache_(nodeCache), j_(app.getJournal("TransactionAcquire"))
{
}
void
ConsensusTransSetSF::gotNode(
bool fromFilter,
SHAMapHash const& nodeHash,
std::uint32_t,
Blob&& nodeData, // NOLINT(cppcoreguidelines-rvalue-reference-param-not-moved)
SHAMapNodeType type) const
{
if (fromFilter)
return;
nodeCache_.insert(nodeHash, nodeData);
if ((type == SHAMapNodeType::TnTransactionNm) && (nodeData.size() > 16))
{
// this is a transaction, and we didn't have it
JLOG(j_.debug()) << "Node on our acquiring TX set is TXN we may not have";
try
{
// skip prefix
Serializer const s(nodeData.data() + 4, nodeData.size() - 4);
SerialIter sit(s.slice());
auto stx = std::make_shared<STTx const>(std::ref(sit));
XRPL_ASSERT(
stx->getTransactionID() == nodeHash.asUInt256(),
"xrpl::ConsensusTransSetSF::gotNode : transaction hash "
"match");
auto const pap = &app_;
app_.getJobQueue().addJob(
JtTransaction, "TxsToTxn", [pap, stx]() { pap->getOPs().submitTransaction(stx); });
}
catch (std::exception const& ex)
{
JLOG(j_.warn()) << "Fetched invalid transaction in proposed set. Exception: "
<< ex.what();
}
}
}
std::optional<Blob>
ConsensusTransSetSF::getNode(SHAMapHash const& nodeHash) const
{
Blob nodeData;
if (nodeCache_.retrieve(nodeHash, nodeData))
return nodeData;
auto txn = app_.getMasterTransaction().fetchFromCache(nodeHash.asUInt256());
if (txn)
{
// this is a transaction, and we have it
JLOG(j_.trace()) << "Node in our acquiring TX set is TXN we have";
Serializer s;
s.add32(HashPrefix::TransactionId);
txn->getSTransaction()->add(s);
XRPL_ASSERT(
sha512Half(s.slice()) == nodeHash.asUInt256(),
"xrpl::ConsensusTransSetSF::getNode : transaction hash match");
nodeData = s.peekData();
return nodeData;
}
return std::nullopt;
}
} // namespace xrpl