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test(consensus): mint tier 2 with active nUNL

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This commit is contained in:
Nicholas Dudfield
2026-06-23 10:11:40 +07:00
parent 93a6f0fbec
commit cacd1f71fe
1 changed files with 97 additions and 0 deletions
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97
src/test/consensus/ConsensusExtensions_test.cpp
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@@ -1339,6 +1339,102 @@ class ConsensusExtensions_test : public beast::unit_test::suite
BEAST_EXPECT(ce.entropyGateThreshold() == 7);
}
void
testOnPreBuildTier2WithNegativeUNL()
{
testcase("onPreBuild mints Tier 2 with active NegativeUNL");
using namespace jtx;
Env env{
*this,
envconfig(validator, ""),
supported_amendments() | featureConsensusEntropy |
featureNegativeUNL,
nullptr};
forceNonStandalone(env.app());
// 20 original active validators, 1 disabled by nUNL:
// originalViewSize = 20 -> tier2Threshold = 13
// effective size = 19 -> quorumThreshold = 16
// so counts 13..15 are genuinely participant_aligned under active nUNL.
constexpr std::size_t kOriginal = 20;
constexpr std::size_t kDisabled = 1;
std::vector<std::pair<PublicKey, SecretKey>> vals;
vals.reserve(kOriginal);
std::vector<PublicKey> activeKeys;
activeKeys.reserve(kOriginal);
for (std::size_t i = 0; i < kOriginal; ++i)
{
vals.push_back(randomKeyPair(KeyType::secp256k1));
activeKeys.push_back(vals.back().first);
}
std::vector<PublicKey> const disabledKeys(
activeKeys.begin(), activeKeys.begin() + kDisabled);
auto const viewLedger =
makeUNLReportLedger(env, activeKeys, disabledKeys);
{
ConsensusExtensions ce{env.app(), activeNoopJournal()};
ce.cacheUNLReport(viewLedger);
auto const view = ce.activeValidatorView();
BEAST_EXPECT(view->fromUNLReport);
BEAST_EXPECT(view->originalViewSize == kOriginal);
BEAST_EXPECT(view->size() == kOriginal - kDisabled);
BEAST_EXPECT(ce.tier2Threshold() == 13);
BEAST_EXPECT(ce.quorumThreshold() == 16);
BEAST_EXPECT(ce.entropyGateThreshold() == 13);
}
auto const anchor = env.app().getLedgerMaster().getClosedLedger();
auto const prevLedger = anchor->info().hash;
auto const seq = anchor->info().seq + 1;
auto const closeTime = NetClock::time_point{NetClock::duration{778}};
auto const txSetHash = makeHash("tier2-nunl-txset");
auto runWith = [&](std::size_t revealers) {
ConsensusExtensions ce{env.app(), activeNoopJournal()};
ce.cacheUNLReport(viewLedger);
for (std::size_t i = 0; i < revealers; ++i)
{
auto const idx = i + kDisabled; // skip disabled validator
auto const reveal =
sha512Half(vals[idx].first, makeHash("tier2-nunl-reveal"));
harvestCommitReveal(
ce,
calcNodeID(vals[idx].first),
vals[idx].first,
vals[idx].second,
txSetHash,
seq,
closeTime,
prevLedger,
reveal);
}
ce.buildEntropySet(seq);
CanonicalTXSet txs{makeHash("tier2-nunl-salt")};
ce.onPreBuild(txs, seq, txSetHash);
auto const tx = singleCanonicalTx(txs);
std::pair<int, std::uint16_t> out{-1, 0};
if (tx)
out = {
tx->getFieldU8(sfEntropyTier),
tx->getFieldU16(sfEntropyCount)};
return out;
};
auto const q = runWith(16);
BEAST_EXPECT(q.first == entropyTierValidatorQuorum);
BEAST_EXPECT(q.second == 16);
auto const p = runWith(15);
BEAST_EXPECT(p.first == entropyTierParticipantAligned);
BEAST_EXPECT(p.second == 15);
auto const f = runWith(12);
BEAST_EXPECT(f.first == entropyTierConsensusFallback);
BEAST_EXPECT(f.second == 0);
}
void
testProposalProofRoundTrip()
{
@@ -2997,6 +3093,7 @@ public:
testOnPreBuildInjectsEntropySetEntropy();
testOnPreBuildTier2ParticipantAligned();
testTier2ThresholdAnchorsToOriginalView();
testOnPreBuildTier2WithNegativeUNL();
testProposalProofRoundTrip();
testHarvestRngDataReplacementAndRejection();
testExportSidecarBuildFetchAndMerge();