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fix(consensus): filter export signature candidates

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This commit is contained in:
Nicholas Dudfield
2026-06-28 19:02:32 +07:00
parent 94ffc86bd9
commit c2bc4fabe8
3 changed files with 117 additions and 7 deletions
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108
src/test/consensus/ConsensusExtensions_test.cpp
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@@ -157,6 +157,20 @@ makeExportTx(STObject const& inner, AccountID const& account)
return std::make_shared<STTx const>(makeSTTx(exportObj));
}
std::shared_ptr<STTx const>
makeCancelExportTx(AccountID const& account, std::uint32_t sequence)
{
STObject exportObj(sfGeneric);
exportObj.setFieldU16(sfTransactionType, ttEXPORT);
exportObj.setAccountID(sfAccount, account);
exportObj.setFieldU32(sfSequence, sequence);
exportObj.setFieldU32(sfCancelTicketSequence, 1000 + sequence);
exportObj.setFieldVL(sfSigningPubKey, Blob{});
exportObj.setFieldAmount(sfFee, XRPAmount{0});
return std::make_shared<STTx const>(makeSTTx(exportObj));
}
RCLTxSet
makeRCLTxSet(Application& app, std::vector<std::shared_ptr<STTx const>> txns)
{
@@ -1920,6 +1934,77 @@ class ConsensusExtensions_test : public beast::unit_test::suite
BEAST_EXPECT(fetched.buildExportSigSet(seq) == exportSigSetHash);
}
void
testExportSidecarIgnoresCancelOnlyExports()
{
testcase("Export sidecar ignores cancel-only exports");
using namespace jtx;
Env env{
*this, envconfig(validator, ""), supported_amendments(), nullptr};
auto const ledger = env.app().getLedgerMaster().getClosedLedger();
auto const& valKeys = env.app().getValidatorKeys();
BEAST_EXPECT(valKeys.keys);
if (!valKeys.keys)
return;
auto const& valPK = valKeys.keys->publicKey;
auto const& valSK = valKeys.keys->secretKey;
auto const signerAccount = calcAccountID(valPK);
auto const seq = ledger->seq() + 1;
auto const dst = calcAccountID(randomKeyPair(KeyType::secp256k1).first);
auto const innerObj = makeExportedPayment(signerAccount, dst);
auto const innerTx = makeSTTx(innerObj);
auto const exportTx = makeExportTx(innerObj, signerAccount);
auto const txHash = exportTx->getTransactionID();
std::vector<std::shared_ptr<STTx const>> txs;
for (std::uint32_t sequence = 1;
txs.size() < ExportLimits::maxPendingExports && sequence < 1000;
++sequence)
{
auto cancelTx = makeCancelExportTx(signerAccount, sequence);
if (cancelTx->getTransactionID() < txHash)
txs.push_back(std::move(cancelTx));
}
BEAST_EXPECT(txs.size() == ExportLimits::maxPendingExports);
if (txs.size() != ExportLimits::maxPendingExports)
return;
txs.push_back(exportTx);
auto const txSet = makeRCLTxSet(env.app(), txs);
ConsensusExtensions source{env.app(), activeNoopJournal()};
source.setExportEnabledThisRound(true);
source.cacheUNLReport(ledger);
source.cacheConsensusTxSet(txSet);
auto const sigData = buildMultiSigningData(innerTx, signerAccount);
auto const sig = sign(valPK, valSK, sigData.slice());
Buffer sigBuf(sig.data(), sig.size());
source.exportSigCollector().addVerifiedSignature(
txHash, valPK, sigBuf, seq);
auto const exportSigSetHash = source.buildExportSigSet(seq);
auto const exportedSet =
env.app().getInboundTransactions().getSet(exportSigSetHash, false);
BEAST_EXPECT(exportedSet);
if (exportedSet)
BEAST_EXPECT(sidecarLeafCount(*exportedSet) == 1);
ConsensusExtensions fetched{env.app(), activeNoopJournal()};
fetched.setExportEnabledThisRound(true);
fetched.cacheUNLReport(ledger);
fetched.cacheConsensusTxSet(txSet);
fetched.fetchSidecarSetIfNeeded(
exportSigSetHash, ConsensusExtensions::SidecarKind::exportSigSet);
BEAST_EXPECT(
fetched.exportSigCollector().hasVerifiedSignature(txHash, valPK));
BEAST_EXPECT(fetched.buildExportSigSet(seq) == exportSigSetHash);
}
void
testExportSidecarBuildCapsConsensusCandidates()
{
@@ -3487,6 +3572,7 @@ class ConsensusExtensions_test : public beast::unit_test::suite
FakeExtensions ext;
ext.localExportSigs = false;
ext.consensusExportTxns = true;
ExtensionTickHarness harness;
auto const peerHash = makeHash("peer-export-sig-set");
@@ -3506,6 +3592,26 @@ class ConsensusExtensions_test : public beast::unit_test::suite
BEAST_EXPECT(ext.exportSigConvergenceFailed_);
}
void
testExportSigGateIgnoresAdvertisedSetsWithoutExportTxns()
{
testcase("Export sig gate ignores advertised sets without export txns");
FakeExtensions ext;
ext.localExportSigs = false;
ext.consensusExportTxns = false;
ExtensionTickHarness harness;
auto const peerHash = makeHash("empty-round-export-sig-set");
harness.addPeer(1, peerHash);
auto result = harness.tick(ext);
BEAST_EXPECT(result.readyForAccept);
BEAST_EXPECT(!ext.exportSigGateStarted_);
BEAST_EXPECT(ext.fetchedExportSets.empty());
BEAST_EXPECT(!ext.exportSigConvergenceFailed_);
}
void
testExportSigGateObservingModeDoesNotPropose()
{
@@ -3986,6 +4092,7 @@ public:
testProposalProofRoundTrip();
testHarvestRngDataReplacementAndRejection();
testExportSidecarBuildFetchAndMerge();
testExportSidecarIgnoresCancelOnlyExports();
testExportSidecarBuildCapsConsensusCandidates();
testExportSidecarRejectsInvalidFetchedEntries();
testExportSidecarRejectsOversizedFetchedSet();
@@ -4019,6 +4126,7 @@ public:
testExportSigGateAllowsAlignedQuorumDespiteMinorityConflict();
testExportSigGateAllowsQuorumDespiteMissingObservation();
testExportSigGateFetchesAdvertisedPeerSets();
testExportSigGateIgnoresAdvertisedSetsWithoutExportTxns();
testExportSigGateObservingModeDoesNotPropose();
testExportSigGateRefreshesHashBeforeWaiting();
testExportSigGateBoundsCandidateObservationWindow();