diff --git a/src/avalanche/test/peermanager_tests.cpp b/src/avalanche/test/peermanager_tests.cpp
index 5a088b4f4..6dca982f0 100644
--- a/src/avalanche/test/peermanager_tests.cpp
+++ b/src/avalanche/test/peermanager_tests.cpp
@@ -1,2007 +1,2009 @@
 // Copyright (c) 2020 The Bitcoin developers
 // Distributed under the MIT software license, see the accompanying
 // file COPYING or http://www.opensource.org/licenses/mit-license.php.
 
 #include <avalanche/delegationbuilder.h>
 #include <avalanche/peermanager.h>
 #include <avalanche/proofbuilder.h>
 #include <avalanche/proofcomparator.h>
 #include <avalanche/test/util.h>
 #include <script/standard.h>
 #include <util/time.h>
 #include <util/translation.h>
 #include <validation.h>
 
 #include <test/util/setup_common.h>
 
 #include <boost/test/unit_test.hpp>
 
 using namespace avalanche;
 
 namespace avalanche {
 namespace {
     struct TestPeerManager {
         static bool nodeBelongToPeer(const PeerManager &pm, NodeId nodeid,
                                      PeerId peerid) {
             return pm.forNode(nodeid, [&](const Node &node) {
                 return node.peerid == peerid;
             });
         }
 
         static bool isNodePending(const PeerManager &pm, NodeId nodeid) {
             auto &pendingNodesView = pm.pendingNodes.get<by_nodeid>();
             return pendingNodesView.find(nodeid) != pendingNodesView.end();
         }
 
         static PeerId getPeerIdForProofId(PeerManager &pm,
                                           const ProofId &proofid) {
             auto &pview = pm.peers.get<by_proofid>();
             auto it = pview.find(proofid);
             return it == pview.end() ? NO_PEER : it->peerid;
         }
 
         static PeerId registerAndGetPeerId(PeerManager &pm,
                                            const ProofRef &proof) {
             pm.registerProof(proof);
             return getPeerIdForProofId(pm, proof->getId());
         }
 
         static std::vector<uint32_t> getOrderedScores(const PeerManager &pm) {
             std::vector<uint32_t> scores;
 
             auto &peerView = pm.peers.get<by_score>();
             for (const Peer &peer : peerView) {
                 scores.push_back(peer.getScore());
             }
 
             return scores;
         }
 
         static void cleanupDanglingProofs(PeerManager &pm) {
             pm.cleanupDanglingProofs();
         }
     };
 
     static void addCoin(const COutPoint &outpoint, const CKey &key,
                         const Amount amount = 10 * COIN, uint32_t height = 100,
                         bool is_coinbase = false) {
         CScript script = GetScriptForDestination(PKHash(key.GetPubKey()));
 
         LOCK(cs_main);
         CCoinsViewCache &coins = ::ChainstateActive().CoinsTip();
         coins.AddCoin(outpoint,
                       Coin(CTxOut(amount, script), height, is_coinbase), false);
     }
 
     static COutPoint createUtxo(const CKey &key,
                                 const Amount amount = 10 * COIN,
                                 uint32_t height = 100,
                                 bool is_coinbase = false) {
         COutPoint outpoint(TxId(GetRandHash()), 0);
         addCoin(outpoint, key, amount, height, is_coinbase);
         return outpoint;
     }
 
     static ProofRef
     buildProof(const CKey &key,
                const std::vector<std::tuple<COutPoint, Amount>> &outpoints,
                const CKey &master = CKey::MakeCompressedKey(),
                int64_t sequence = 1, uint32_t height = 100,
                bool is_coinbase = false, int64_t expirationTime = 0) {
         ProofBuilder pb(sequence, expirationTime, master);
         for (const auto &outpoint : outpoints) {
             BOOST_CHECK(pb.addUTXO(std::get<0>(outpoint), std::get<1>(outpoint),
                                    height, is_coinbase, key));
         }
         return pb.build();
     }
 
     template <typename... Args>
     static ProofRef
     buildProofWithOutpoints(const CKey &key,
                             const std::vector<COutPoint> &outpoints,
                             Amount amount, Args &&...args) {
         std::vector<std::tuple<COutPoint, Amount>> outpointsWithAmount;
         std::transform(
             outpoints.begin(), outpoints.end(),
             std::back_inserter(outpointsWithAmount),
             [amount](const auto &o) { return std::make_tuple(o, amount); });
         return buildProof(key, outpointsWithAmount,
                           std::forward<Args>(args)...);
     }
 
     static ProofRef
     buildProofWithSequence(const CKey &key,
                            const std::vector<COutPoint> &outpoints,
                            int64_t sequence) {
         return buildProofWithOutpoints(key, outpoints, 10 * COIN, key,
                                        sequence);
     }
 } // namespace
 } // namespace avalanche
 
 namespace {
 struct PeerManagerFixture : public TestChain100Setup {
     PeerManagerFixture() {
         gArgs.ForceSetArg("-avaproofstakeutxoconfirmations", "1");
     }
     ~PeerManagerFixture() {
         gArgs.ClearForcedArg("-avaproofstakeutxoconfirmations");
     }
 };
 } // namespace
 
 namespace {
 struct NoCoolDownFixture : public PeerManagerFixture {
     NoCoolDownFixture() {
         gArgs.ForceSetArg("-avalancheconflictingproofcooldown", "0");
     }
     ~NoCoolDownFixture() {
         gArgs.ClearForcedArg("-avalancheconflictingproofcooldown");
     }
 };
 } // namespace
 
 BOOST_FIXTURE_TEST_SUITE(peermanager_tests, PeerManagerFixture)
 
 BOOST_AUTO_TEST_CASE(select_peer_linear) {
     // No peers.
     BOOST_CHECK_EQUAL(selectPeerImpl({}, 0, 0), NO_PEER);
     BOOST_CHECK_EQUAL(selectPeerImpl({}, 1, 3), NO_PEER);
 
     // One peer
     const std::vector<Slot> oneslot = {{100, 100, 23}};
 
     // Undershoot
     BOOST_CHECK_EQUAL(selectPeerImpl(oneslot, 0, 300), NO_PEER);
     BOOST_CHECK_EQUAL(selectPeerImpl(oneslot, 42, 300), NO_PEER);
     BOOST_CHECK_EQUAL(selectPeerImpl(oneslot, 99, 300), NO_PEER);
 
     // Nailed it
     BOOST_CHECK_EQUAL(selectPeerImpl(oneslot, 100, 300), 23);
     BOOST_CHECK_EQUAL(selectPeerImpl(oneslot, 142, 300), 23);
     BOOST_CHECK_EQUAL(selectPeerImpl(oneslot, 199, 300), 23);
 
     // Overshoot
     BOOST_CHECK_EQUAL(selectPeerImpl(oneslot, 200, 300), NO_PEER);
     BOOST_CHECK_EQUAL(selectPeerImpl(oneslot, 242, 300), NO_PEER);
     BOOST_CHECK_EQUAL(selectPeerImpl(oneslot, 299, 300), NO_PEER);
 
     // Two peers
     const std::vector<Slot> twoslots = {{100, 100, 69}, {300, 100, 42}};
 
     // Undershoot
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 0, 500), NO_PEER);
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 42, 500), NO_PEER);
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 99, 500), NO_PEER);
 
     // First entry
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 100, 500), 69);
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 142, 500), 69);
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 199, 500), 69);
 
     // In between
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 200, 500), NO_PEER);
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 242, 500), NO_PEER);
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 299, 500), NO_PEER);
 
     // Second entry
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 300, 500), 42);
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 342, 500), 42);
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 399, 500), 42);
 
     // Overshoot
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 400, 500), NO_PEER);
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 442, 500), NO_PEER);
     BOOST_CHECK_EQUAL(selectPeerImpl(twoslots, 499, 500), NO_PEER);
 }
 
 BOOST_AUTO_TEST_CASE(select_peer_dichotomic) {
     std::vector<Slot> slots;
 
     // 100 peers of size 1 with 1 empty element apart.
     uint64_t max = 1;
     for (int i = 0; i < 100; i++) {
         slots.emplace_back(max, 1, i);
         max += 2;
     }
 
     BOOST_CHECK_EQUAL(selectPeerImpl(slots, 4, max), NO_PEER);
 
     // Check that we get what we expect.
     for (int i = 0; i < 100; i++) {
         BOOST_CHECK_EQUAL(selectPeerImpl(slots, 2 * i, max), NO_PEER);
         BOOST_CHECK_EQUAL(selectPeerImpl(slots, 2 * i + 1, max), i);
     }
 
     BOOST_CHECK_EQUAL(selectPeerImpl(slots, max, max), NO_PEER);
 
     // Update the slots to be heavily skewed toward the last element.
     slots[99] = slots[99].withScore(101);
     max = slots[99].getStop();
     BOOST_CHECK_EQUAL(max, 300);
 
     for (int i = 0; i < 100; i++) {
         BOOST_CHECK_EQUAL(selectPeerImpl(slots, 2 * i, max), NO_PEER);
         BOOST_CHECK_EQUAL(selectPeerImpl(slots, 2 * i + 1, max), i);
     }
 
     BOOST_CHECK_EQUAL(selectPeerImpl(slots, 200, max), 99);
     BOOST_CHECK_EQUAL(selectPeerImpl(slots, 256, max), 99);
     BOOST_CHECK_EQUAL(selectPeerImpl(slots, 299, max), 99);
     BOOST_CHECK_EQUAL(selectPeerImpl(slots, 300, max), NO_PEER);
 
     // Update the slots to be heavily skewed toward the first element.
     for (int i = 0; i < 100; i++) {
         slots[i] = slots[i].withStart(slots[i].getStart() + 100);
     }
 
     slots[0] = Slot(1, slots[0].getStop() - 1, slots[0].getPeerId());
     slots[99] = slots[99].withScore(1);
     max = slots[99].getStop();
     BOOST_CHECK_EQUAL(max, 300);
 
     BOOST_CHECK_EQUAL(selectPeerImpl(slots, 0, max), NO_PEER);
     BOOST_CHECK_EQUAL(selectPeerImpl(slots, 1, max), 0);
     BOOST_CHECK_EQUAL(selectPeerImpl(slots, 42, max), 0);
 
     for (int i = 0; i < 100; i++) {
         BOOST_CHECK_EQUAL(selectPeerImpl(slots, 100 + 2 * i + 1, max), i);
         BOOST_CHECK_EQUAL(selectPeerImpl(slots, 100 + 2 * i + 2, max), NO_PEER);
     }
 }
 
 BOOST_AUTO_TEST_CASE(select_peer_random) {
     for (int c = 0; c < 1000; c++) {
         size_t size = InsecureRandBits(10) + 1;
         std::vector<Slot> slots;
         slots.reserve(size);
 
         uint64_t max = InsecureRandBits(3);
         auto next = [&]() {
             uint64_t r = max;
             max += InsecureRandBits(3);
             return r;
         };
 
         for (size_t i = 0; i < size; i++) {
             const uint64_t start = next();
             const uint32_t score = InsecureRandBits(3);
             max += score;
             slots.emplace_back(start, score, i);
         }
 
         for (int k = 0; k < 100; k++) {
             uint64_t s = max > 0 ? InsecureRandRange(max) : 0;
             auto i = selectPeerImpl(slots, s, max);
             // /!\ Because of the way we construct the vector, the peer id is
             // always the index. This might not be the case in practice.
             BOOST_CHECK(i == NO_PEER || slots[i].contains(s));
         }
     }
 }
 
 static void addNodeWithScore(avalanche::PeerManager &pm, NodeId node,
                              uint32_t score) {
     auto proof = buildRandomProof(score);
     BOOST_CHECK(pm.registerProof(proof));
     BOOST_CHECK(pm.addNode(node, proof->getId()));
 };
 
 BOOST_AUTO_TEST_CASE(peer_probabilities) {
     // No peers.
     avalanche::PeerManager pm;
     BOOST_CHECK_EQUAL(pm.selectNode(), NO_NODE);
 
     const NodeId node0 = 42, node1 = 69, node2 = 37;
 
     // One peer, we always return it.
     addNodeWithScore(pm, node0, MIN_VALID_PROOF_SCORE);
     BOOST_CHECK_EQUAL(pm.selectNode(), node0);
 
     // Two peers, verify ratio.
     addNodeWithScore(pm, node1, 2 * MIN_VALID_PROOF_SCORE);
 
     std::unordered_map<PeerId, int> results = {};
     for (int i = 0; i < 10000; i++) {
         size_t n = pm.selectNode();
         BOOST_CHECK(n == node0 || n == node1);
         results[n]++;
     }
 
     BOOST_CHECK(abs(2 * results[0] - results[1]) < 500);
 
     // Three peers, verify ratio.
     addNodeWithScore(pm, node2, MIN_VALID_PROOF_SCORE);
 
     results.clear();
     for (int i = 0; i < 10000; i++) {
         size_t n = pm.selectNode();
         BOOST_CHECK(n == node0 || n == node1 || n == node2);
         results[n]++;
     }
 
     BOOST_CHECK(abs(results[0] - results[1] + results[2]) < 500);
 }
 
 BOOST_AUTO_TEST_CASE(remove_peer) {
     // No peers.
     avalanche::PeerManager pm;
     BOOST_CHECK_EQUAL(pm.selectPeer(), NO_PEER);
 
     // Add 4 peers.
     std::array<PeerId, 8> peerids;
     for (int i = 0; i < 4; i++) {
         auto p = buildRandomProof(100);
         peerids[i] = TestPeerManager::registerAndGetPeerId(pm, p);
         BOOST_CHECK(pm.addNode(InsecureRand32(), p->getId()));
     }
 
     BOOST_CHECK_EQUAL(pm.getSlotCount(), 400);
     BOOST_CHECK_EQUAL(pm.getFragmentation(), 0);
 
     for (int i = 0; i < 100; i++) {
         PeerId p = pm.selectPeer();
         BOOST_CHECK(p == peerids[0] || p == peerids[1] || p == peerids[2] ||
                     p == peerids[3]);
     }
 
     // Remove one peer, it nevers show up now.
     BOOST_CHECK(pm.removePeer(peerids[2]));
     BOOST_CHECK_EQUAL(pm.getSlotCount(), 400);
     BOOST_CHECK_EQUAL(pm.getFragmentation(), 100);
 
     // Make sure we compact to never get NO_PEER.
     BOOST_CHECK_EQUAL(pm.compact(), 100);
     BOOST_CHECK(pm.verify());
     BOOST_CHECK_EQUAL(pm.getSlotCount(), 300);
     BOOST_CHECK_EQUAL(pm.getFragmentation(), 0);
 
     for (int i = 0; i < 100; i++) {
         PeerId p = pm.selectPeer();
         BOOST_CHECK(p == peerids[0] || p == peerids[1] || p == peerids[3]);
     }
 
     // Add 4 more peers.
     for (int i = 0; i < 4; i++) {
         auto p = buildRandomProof(100);
         peerids[i + 4] = TestPeerManager::registerAndGetPeerId(pm, p);
         BOOST_CHECK(pm.addNode(InsecureRand32(), p->getId()));
     }
 
     BOOST_CHECK_EQUAL(pm.getSlotCount(), 700);
     BOOST_CHECK_EQUAL(pm.getFragmentation(), 0);
 
     BOOST_CHECK(pm.removePeer(peerids[0]));
     BOOST_CHECK_EQUAL(pm.getSlotCount(), 700);
     BOOST_CHECK_EQUAL(pm.getFragmentation(), 100);
 
     // Removing the last entry do not increase fragmentation.
     BOOST_CHECK(pm.removePeer(peerids[7]));
     BOOST_CHECK_EQUAL(pm.getSlotCount(), 600);
     BOOST_CHECK_EQUAL(pm.getFragmentation(), 100);
 
     // Make sure we compact to never get NO_PEER.
     BOOST_CHECK_EQUAL(pm.compact(), 100);
     BOOST_CHECK(pm.verify());
     BOOST_CHECK_EQUAL(pm.getSlotCount(), 500);
     BOOST_CHECK_EQUAL(pm.getFragmentation(), 0);
 
     for (int i = 0; i < 100; i++) {
         PeerId p = pm.selectPeer();
         BOOST_CHECK(p == peerids[1] || p == peerids[3] || p == peerids[4] ||
                     p == peerids[5] || p == peerids[6]);
     }
 
     // Removing non existent peers fails.
     BOOST_CHECK(!pm.removePeer(peerids[0]));
     BOOST_CHECK(!pm.removePeer(peerids[2]));
     BOOST_CHECK(!pm.removePeer(peerids[7]));
     BOOST_CHECK(!pm.removePeer(NO_PEER));
 }
 
 BOOST_AUTO_TEST_CASE(compact_slots) {
     avalanche::PeerManager pm;
 
     // Add 4 peers.
     std::array<PeerId, 4> peerids;
     for (int i = 0; i < 4; i++) {
         auto p = buildRandomProof(100);
         peerids[i] = TestPeerManager::registerAndGetPeerId(pm, p);
         BOOST_CHECK(pm.addNode(InsecureRand32(), p->getId()));
     }
 
     // Remove all peers.
     for (auto p : peerids) {
         pm.removePeer(p);
     }
 
     BOOST_CHECK_EQUAL(pm.getSlotCount(), 300);
     BOOST_CHECK_EQUAL(pm.getFragmentation(), 300);
 
     for (int i = 0; i < 100; i++) {
         BOOST_CHECK_EQUAL(pm.selectPeer(), NO_PEER);
     }
 
     BOOST_CHECK_EQUAL(pm.compact(), 300);
     BOOST_CHECK(pm.verify());
     BOOST_CHECK_EQUAL(pm.getSlotCount(), 0);
     BOOST_CHECK_EQUAL(pm.getFragmentation(), 0);
 }
 
 BOOST_AUTO_TEST_CASE(node_crud) {
     avalanche::PeerManager pm;
 
     // Create one peer.
     auto proof = buildRandomProof(10000000 * MIN_VALID_PROOF_SCORE);
     BOOST_CHECK(pm.registerProof(proof));
     BOOST_CHECK_EQUAL(pm.selectNode(), NO_NODE);
 
     // Add 4 nodes.
     const ProofId &proofid = proof->getId();
     for (int i = 0; i < 4; i++) {
         BOOST_CHECK(pm.addNode(i, proofid));
     }
 
     for (int i = 0; i < 100; i++) {
         NodeId n = pm.selectNode();
         BOOST_CHECK(n >= 0 && n < 4);
         BOOST_CHECK(
             pm.updateNextRequestTime(n, std::chrono::steady_clock::now()));
     }
 
     // Remove a node, check that it doesn't show up.
     BOOST_CHECK(pm.removeNode(2));
 
     for (int i = 0; i < 100; i++) {
         NodeId n = pm.selectNode();
         BOOST_CHECK(n == 0 || n == 1 || n == 3);
         BOOST_CHECK(
             pm.updateNextRequestTime(n, std::chrono::steady_clock::now()));
     }
 
     // Push a node's timeout in the future, so that it doesn't show up.
     BOOST_CHECK(pm.updateNextRequestTime(1, std::chrono::steady_clock::now() +
                                                 std::chrono::hours(24)));
 
     for (int i = 0; i < 100; i++) {
         NodeId n = pm.selectNode();
         BOOST_CHECK(n == 0 || n == 3);
         BOOST_CHECK(
             pm.updateNextRequestTime(n, std::chrono::steady_clock::now()));
     }
 
     // Move a node from a peer to another. This peer has a very low score such
     // as chances of being picked are 1 in 10 million.
     addNodeWithScore(pm, 3, MIN_VALID_PROOF_SCORE);
 
     int node3selected = 0;
     for (int i = 0; i < 100; i++) {
         NodeId n = pm.selectNode();
         if (n == 3) {
             // Selecting this node should be exceedingly unlikely.
             BOOST_CHECK(node3selected++ < 1);
         } else {
             BOOST_CHECK_EQUAL(n, 0);
         }
         BOOST_CHECK(
             pm.updateNextRequestTime(n, std::chrono::steady_clock::now()));
     }
 }
 
 BOOST_AUTO_TEST_CASE(node_binding) {
     avalanche::PeerManager pm;
 
     auto proof = buildRandomProof(MIN_VALID_PROOF_SCORE);
     const ProofId &proofid = proof->getId();
 
     BOOST_CHECK_EQUAL(pm.getNodeCount(), 0);
     BOOST_CHECK_EQUAL(pm.getPendingNodeCount(), 0);
 
     // Add a bunch of nodes with no associated peer
     for (int i = 0; i < 10; i++) {
         BOOST_CHECK(!pm.addNode(i, proofid));
         BOOST_CHECK(TestPeerManager::isNodePending(pm, i));
         BOOST_CHECK_EQUAL(pm.getNodeCount(), 0);
         BOOST_CHECK_EQUAL(pm.getPendingNodeCount(), i + 1);
     }
 
     // Now create the peer and check all the nodes are bound
     const PeerId peerid = TestPeerManager::registerAndGetPeerId(pm, proof);
     BOOST_CHECK_NE(peerid, NO_PEER);
     for (int i = 0; i < 10; i++) {
         BOOST_CHECK(!TestPeerManager::isNodePending(pm, i));
         BOOST_CHECK(TestPeerManager::nodeBelongToPeer(pm, i, peerid));
         BOOST_CHECK_EQUAL(pm.getNodeCount(), 10);
         BOOST_CHECK_EQUAL(pm.getPendingNodeCount(), 0);
     }
     BOOST_CHECK(pm.verify());
 
     // Disconnect some nodes
     for (int i = 0; i < 5; i++) {
         BOOST_CHECK(pm.removeNode(i));
         BOOST_CHECK(!TestPeerManager::isNodePending(pm, i));
         BOOST_CHECK(!TestPeerManager::nodeBelongToPeer(pm, i, peerid));
         BOOST_CHECK_EQUAL(pm.getNodeCount(), 10 - i - 1);
         BOOST_CHECK_EQUAL(pm.getPendingNodeCount(), 0);
     }
 
     // Add nodes when the peer already exists
     for (int i = 0; i < 5; i++) {
         BOOST_CHECK(pm.addNode(i, proofid));
         BOOST_CHECK(!TestPeerManager::isNodePending(pm, i));
         BOOST_CHECK(TestPeerManager::nodeBelongToPeer(pm, i, peerid));
         BOOST_CHECK_EQUAL(pm.getNodeCount(), 5 + i + 1);
         BOOST_CHECK_EQUAL(pm.getPendingNodeCount(), 0);
     }
 
     auto alt_proof = buildRandomProof(MIN_VALID_PROOF_SCORE);
     const ProofId &alt_proofid = alt_proof->getId();
 
     // Update some nodes from a known proof to an unknown proof
     for (int i = 0; i < 5; i++) {
         BOOST_CHECK(!pm.addNode(i, alt_proofid));
         BOOST_CHECK(TestPeerManager::isNodePending(pm, i));
         BOOST_CHECK(!TestPeerManager::nodeBelongToPeer(pm, i, peerid));
         BOOST_CHECK_EQUAL(pm.getNodeCount(), 10 - i - 1);
         BOOST_CHECK_EQUAL(pm.getPendingNodeCount(), i + 1);
     }
 
     auto alt2_proof = buildRandomProof(MIN_VALID_PROOF_SCORE);
     const ProofId &alt2_proofid = alt2_proof->getId();
 
     // Update some nodes from an unknown proof to another unknown proof
     for (int i = 0; i < 5; i++) {
         BOOST_CHECK(!pm.addNode(i, alt2_proofid));
         BOOST_CHECK(TestPeerManager::isNodePending(pm, i));
         BOOST_CHECK_EQUAL(pm.getNodeCount(), 5);
         BOOST_CHECK_EQUAL(pm.getPendingNodeCount(), 5);
     }
 
     // Update some nodes from an unknown proof to a known proof
     for (int i = 0; i < 5; i++) {
         BOOST_CHECK(pm.addNode(i, proofid));
         BOOST_CHECK(!TestPeerManager::isNodePending(pm, i));
         BOOST_CHECK(TestPeerManager::nodeBelongToPeer(pm, i, peerid));
         BOOST_CHECK_EQUAL(pm.getNodeCount(), 5 + i + 1);
         BOOST_CHECK_EQUAL(pm.getPendingNodeCount(), 5 - i - 1);
     }
 
     // Remove the peer, the nodes should be pending again
     BOOST_CHECK(pm.removePeer(peerid));
     BOOST_CHECK(!pm.exists(proof->getId()));
     for (int i = 0; i < 10; i++) {
         BOOST_CHECK(TestPeerManager::isNodePending(pm, i));
         BOOST_CHECK(!TestPeerManager::nodeBelongToPeer(pm, i, peerid));
         BOOST_CHECK_EQUAL(pm.getNodeCount(), 0);
         BOOST_CHECK_EQUAL(pm.getPendingNodeCount(), 10);
     }
     BOOST_CHECK(pm.verify());
 
     // Remove the remaining pending nodes, check the count drops accordingly
     for (int i = 0; i < 10; i++) {
         BOOST_CHECK(pm.removeNode(i));
         BOOST_CHECK(!TestPeerManager::isNodePending(pm, i));
         BOOST_CHECK(!TestPeerManager::nodeBelongToPeer(pm, i, peerid));
         BOOST_CHECK_EQUAL(pm.getNodeCount(), 0);
         BOOST_CHECK_EQUAL(pm.getPendingNodeCount(), 10 - i - 1);
     }
 }
 
 BOOST_AUTO_TEST_CASE(node_binding_reorg) {
     avalanche::PeerManager pm;
 
     auto key = CKey::MakeCompressedKey();
 
     COutPoint utxo = createUtxo(key);
 
     auto proof = buildProofWithOutpoints(key, {utxo}, 10 * COIN);
     const ProofId &proofid = proof->getId();
 
     PeerId peerid = TestPeerManager::registerAndGetPeerId(pm, proof);
     BOOST_CHECK_NE(peerid, NO_PEER);
     BOOST_CHECK(pm.verify());
 
     // Add nodes to our peer
     for (int i = 0; i < 10; i++) {
         BOOST_CHECK(pm.addNode(i, proofid));
         BOOST_CHECK(!TestPeerManager::isNodePending(pm, i));
         BOOST_CHECK(TestPeerManager::nodeBelongToPeer(pm, i, peerid));
     }
 
     // Orphan the proof
     {
         LOCK(cs_main);
         CCoinsViewCache &coins = ::ChainstateActive().CoinsTip();
         coins.SpendCoin(utxo);
     }
 
     pm.updatedBlockTip();
     BOOST_CHECK(pm.isOrphan(proofid));
     BOOST_CHECK(!pm.isBoundToPeer(proofid));
     for (int i = 0; i < 10; i++) {
         BOOST_CHECK(TestPeerManager::isNodePending(pm, i));
         BOOST_CHECK(!TestPeerManager::nodeBelongToPeer(pm, i, peerid));
     }
     BOOST_CHECK(pm.verify());
 
     // Make the proof great again
     addCoin(utxo, key);
 
     pm.updatedBlockTip();
     BOOST_CHECK(!pm.isOrphan(proofid));
     BOOST_CHECK(pm.isBoundToPeer(proofid));
     // The peerid has certainly been updated
     peerid = TestPeerManager::registerAndGetPeerId(pm, proof);
     BOOST_CHECK_NE(peerid, NO_PEER);
     for (int i = 0; i < 10; i++) {
         BOOST_CHECK(!TestPeerManager::isNodePending(pm, i));
         BOOST_CHECK(TestPeerManager::nodeBelongToPeer(pm, i, peerid));
     }
     BOOST_CHECK(pm.verify());
 }
 
 BOOST_AUTO_TEST_CASE(proof_conflict) {
     auto key = CKey::MakeCompressedKey();
 
     TxId txid1(GetRandHash());
     TxId txid2(GetRandHash());
     BOOST_CHECK(txid1 != txid2);
 
     const Amount v = 10 * COIN;
     const int height = 100;
 
     for (uint32_t i = 0; i < 10; i++) {
         addCoin({txid1, i}, key);
         addCoin({txid2, i}, key);
     }
 
     avalanche::PeerManager pm;
     CKey masterKey = CKey::MakeCompressedKey();
     const auto getPeerId = [&](const std::vector<COutPoint> &outpoints) {
         return TestPeerManager::registerAndGetPeerId(
             pm, buildProofWithOutpoints(key, outpoints, v, masterKey, 0, height,
                                         false, 0));
     };
 
     // Add one peer.
     const PeerId peer1 = getPeerId({COutPoint(txid1, 0)});
     BOOST_CHECK(peer1 != NO_PEER);
 
     // Same proof, same peer.
     BOOST_CHECK_EQUAL(getPeerId({COutPoint(txid1, 0)}), peer1);
 
     // Different txid, different proof.
     const PeerId peer2 = getPeerId({COutPoint(txid2, 0)});
     BOOST_CHECK(peer2 != NO_PEER && peer2 != peer1);
 
     // Different index, different proof.
     const PeerId peer3 = getPeerId({COutPoint(txid1, 1)});
     BOOST_CHECK(peer3 != NO_PEER && peer3 != peer1);
 
     // Empty proof, no peer.
     BOOST_CHECK_EQUAL(getPeerId({}), NO_PEER);
 
     // Multiple inputs.
     const PeerId peer4 = getPeerId({COutPoint(txid1, 2), COutPoint(txid2, 2)});
     BOOST_CHECK(peer4 != NO_PEER && peer4 != peer1);
 
     // Duplicated input.
     {
         ProofBuilder pb(0, 0, CKey::MakeCompressedKey());
         COutPoint o(txid1, 3);
         BOOST_CHECK(pb.addUTXO(o, v, height, false, key));
         BOOST_CHECK(
             !pm.registerProof(TestProofBuilder::buildDuplicatedStakes(pb)));
     }
 
     // Multiple inputs, collision on first input.
     BOOST_CHECK_EQUAL(getPeerId({COutPoint(txid1, 0), COutPoint(txid2, 4)}),
                       NO_PEER);
 
     // Mutliple inputs, collision on second input.
     BOOST_CHECK_EQUAL(getPeerId({COutPoint(txid1, 4), COutPoint(txid2, 0)}),
                       NO_PEER);
 
     // Mutliple inputs, collision on both inputs.
     BOOST_CHECK_EQUAL(getPeerId({COutPoint(txid1, 0), COutPoint(txid2, 2)}),
                       NO_PEER);
 }
 
 BOOST_AUTO_TEST_CASE(orphan_proofs) {
     gArgs.ForceSetArg("-avaproofstakeutxoconfirmations", "2");
     avalanche::PeerManager pm;
 
     auto key = CKey::MakeCompressedKey();
 
     COutPoint outpoint1 = COutPoint(TxId(GetRandHash()), 0);
     COutPoint outpoint2 = COutPoint(TxId(GetRandHash()), 0);
     COutPoint outpoint3 = COutPoint(TxId(GetRandHash()), 0);
     COutPoint outpoint4 = COutPoint(TxId(GetRandHash()), 0);
 
     const Amount v = 5 * COIN;
     const int height = 98;
     const int wrongHeight = 99;
     const int immatureHeight = 100;
 
     const auto makeProof = [&](const COutPoint &outpoint, const int h) {
         return buildProofWithOutpoints(key, {outpoint}, v, key, 0, h);
     };
 
     auto proof1 = makeProof(outpoint1, height);
     auto proof2 = makeProof(outpoint2, height);
     auto proof3 = makeProof(outpoint3, wrongHeight);
     auto proof4 = makeProof(outpoint4, immatureHeight);
 
     // Add outpoints, except for proof 2
     addCoin(outpoint1, key, v, height);
     addCoin(outpoint3, key, v, height);
     addCoin(outpoint4, key, v, immatureHeight);
 
     // Add the proofs
     BOOST_CHECK(pm.registerProof(proof1));
 
     auto registerOrphan = [&](const ProofRef &proof) {
         ProofRegistrationState state;
         BOOST_CHECK(!pm.registerProof(proof, state));
         BOOST_CHECK(state.GetResult() == ProofRegistrationResult::ORPHAN);
     };
 
     registerOrphan(proof2);
     registerOrphan(proof3);
     registerOrphan(proof4);
 
     auto checkOrphan = [&](const ProofRef &proof, bool expectedOrphan) {
         const ProofId &proofid = proof->getId();
         BOOST_CHECK(pm.exists(proofid));
 
         BOOST_CHECK_EQUAL(pm.isOrphan(proofid), expectedOrphan);
         BOOST_CHECK_EQUAL(pm.isBoundToPeer(proofid), !expectedOrphan);
 
         bool ret = false;
         pm.forEachPeer([&](const Peer &peer) {
             if (proof->getId() == peer.proof->getId()) {
                 ret = true;
             }
         });
         BOOST_CHECK_EQUAL(ret, !expectedOrphan);
     };
 
     // Good
     checkOrphan(proof1, false);
     // MISSING_UTXO
     checkOrphan(proof2, true);
     // HEIGHT_MISMATCH
     checkOrphan(proof3, true);
     // IMMATURE_UTXO
     checkOrphan(proof4, true);
 
     // Add outpoint2, proof2 is no longer considered orphan
     addCoin(outpoint2, key, v, height);
 
     pm.updatedBlockTip();
     checkOrphan(proof2, false);
 
     // The status of proof1 and proof3 are unchanged
     checkOrphan(proof1, false);
     checkOrphan(proof3, true);
 
     // Mine a block to increase the chain height for proof4 verification
     mineBlocks(1);
     pm.updatedBlockTip();
     checkOrphan(proof4, false);
 
     // Spend outpoint1, proof1 becomes orphan
     {
         LOCK(cs_main);
         CCoinsViewCache &coins = ::ChainstateActive().CoinsTip();
         coins.SpendCoin(outpoint1);
     }
 
     pm.updatedBlockTip();
     checkOrphan(proof1, true);
 
     // The status of proof2 and proof3 are unchanged
     checkOrphan(proof2, false);
     checkOrphan(proof3, true);
 
     // A reorg could make a previous HEIGHT_MISMATCH become valid
     {
         LOCK(cs_main);
         CCoinsViewCache &coins = ::ChainstateActive().CoinsTip();
         coins.SpendCoin(outpoint3);
     }
     addCoin(outpoint3, key, v, wrongHeight);
 
     pm.updatedBlockTip();
     checkOrphan(proof3, false);
 
     // The status of proof 1 and proof2 are unchanged
     checkOrphan(proof1, true);
     checkOrphan(proof2, false);
 
     // Track expected orphans so we can test them later
     std::vector<ProofRef> orphans;
     orphans.push_back(proof1);
 
     // Fill up orphan pool to test the size limit
     for (uint32_t i = 1; i < AVALANCHE_MAX_ORPHAN_PROOFS; i++) {
         COutPoint outpoint = COutPoint(TxId(GetRandHash()), 0);
         auto proof =
             buildProofWithOutpoints(key, {outpoint}, 10 * COIN, key, 0, height);
         registerOrphan(proof);
         orphans.push_back(proof);
     }
 
     // New orphans are rejected when the pool is full, even if they have higher
     // proof scores.
     {
         COutPoint outpoint = COutPoint(TxId(GetRandHash()), 0);
         auto proof =
             buildProofWithOutpoints(key, {outpoint}, 20 * COIN, key, 0, height);
         registerOrphan(proof);
         BOOST_CHECK(!pm.exists(proof->getId()));
     }
 
     // Replacement when the pool is full still works
     {
         auto proof = buildProofWithOutpoints(key, {outpoint1}, 10 * COIN, key,
                                              1, height);
         registerOrphan(proof);
         checkOrphan(proof, true);
         BOOST_CHECK(!pm.exists(proof1->getId()));
         orphans.push_back(proof);
         orphans.erase(orphans.begin());
     }
 
     // Reorg so that some more proofs become orphans
     {
         LOCK(cs_main);
         CCoinsViewCache &coins = ::ChainstateActive().CoinsTip();
         coins.SpendCoin(outpoint2);
         coins.SpendCoin(outpoint3);
         coins.SpendCoin(outpoint4);
 
         orphans.push_back(proof2);
         orphans.push_back(proof3);
         orphans.push_back(proof4);
     }
 
     pm.updatedBlockTip();
 
     // New orphans are rejected when the pool is full, even if they have higher
     // proof scores.
     {
         COutPoint outpoint = COutPoint(TxId(GetRandHash()), 0);
         auto proof =
             buildProofWithOutpoints(key, {outpoint}, 20 * COIN, key, 0, height);
         registerOrphan(proof);
         BOOST_CHECK(!pm.exists(proof->getId()));
     }
 
     // Even though we've exceeded the orphan pool limit, the reorged proofs are
     // still being tracked.
     for (auto &proof : orphans) {
         checkOrphan(proof, true);
     }
 
     // Another block causes orphans to be trimmed to the limit
     pm.updatedBlockTip();
 
     int numOrphans = 0;
     for (auto &proof : orphans) {
         if (pm.exists(proof->getId())) {
             checkOrphan(proof, true);
             numOrphans++;
         }
     }
     BOOST_CHECK_EQUAL(numOrphans, AVALANCHE_MAX_ORPHAN_PROOFS);
 }
 
 BOOST_AUTO_TEST_CASE(dangling_node) {
     avalanche::PeerManager pm;
 
     auto proof = buildRandomProof(MIN_VALID_PROOF_SCORE);
     PeerId peerid = TestPeerManager::registerAndGetPeerId(pm, proof);
     BOOST_CHECK_NE(peerid, NO_PEER);
 
     const TimePoint theFuture(std::chrono::steady_clock::now() +
                               std::chrono::hours(24));
 
     // Add nodes to this peer and update their request time far in the future
     for (int i = 0; i < 10; i++) {
         BOOST_CHECK(pm.addNode(i, proof->getId()));
         BOOST_CHECK(pm.updateNextRequestTime(i, theFuture));
     }
 
     // Remove the peer
     BOOST_CHECK(pm.removePeer(peerid));
 
     // Check the nodes are still there
     for (int i = 0; i < 10; i++) {
         BOOST_CHECK(pm.forNode(i, [](const Node &n) { return true; }));
     }
 
     // Build a new one
     proof = buildRandomProof(MIN_VALID_PROOF_SCORE);
     peerid = TestPeerManager::registerAndGetPeerId(pm, proof);
     BOOST_CHECK_NE(peerid, NO_PEER);
 
     // Update the nodes with the new proof
     for (int i = 0; i < 10; i++) {
         BOOST_CHECK(pm.addNode(i, proof->getId()));
         BOOST_CHECK(pm.forNode(
             i, [&](const Node &n) { return n.nextRequestTime == theFuture; }));
     }
 
     // Remove the peer
     BOOST_CHECK(pm.removePeer(peerid));
 
     // Disconnect the nodes
     for (int i = 0; i < 10; i++) {
         BOOST_CHECK(pm.removeNode(i));
     }
 }
 
 BOOST_AUTO_TEST_CASE(proof_accessors) {
     avalanche::PeerManager pm;
 
     constexpr int numProofs = 10;
 
     std::vector<ProofRef> proofs;
     proofs.reserve(numProofs);
     for (int i = 0; i < numProofs; i++) {
         proofs.push_back(buildRandomProof(MIN_VALID_PROOF_SCORE));
     }
 
     for (int i = 0; i < numProofs; i++) {
         BOOST_CHECK(pm.registerProof(proofs[i]));
 
         {
             ProofRegistrationState state;
             // Fail to add an existing proof
             BOOST_CHECK(!pm.registerProof(proofs[i], state));
             BOOST_CHECK(state.GetResult() ==
                         ProofRegistrationResult::ALREADY_REGISTERED);
         }
 
         for (int added = 0; added <= i; added++) {
             auto proof = pm.getProof(proofs[added]->getId());
             BOOST_CHECK(proof != nullptr);
 
             const ProofId &proofid = proof->getId();
             BOOST_CHECK_EQUAL(proofid, proofs[added]->getId());
         }
     }
 
     // No stake, copied from proof_tests.cpp
     const std::string badProofHex(
         "96527eae083f1f24625f049d9e54bb9a2102a93d98bf42ab90cfc0bf9e7c634ed76a7"
         "3e95b02cacfd357b64e4fb6c92e92dd00");
     bilingual_str error;
     auto badProof = RCUPtr<Proof>::make();
     BOOST_CHECK(Proof::FromHex(*badProof, badProofHex, error));
 
     ProofRegistrationState state;
     BOOST_CHECK(!pm.registerProof(badProof, state));
     BOOST_CHECK(state.GetResult() == ProofRegistrationResult::INVALID);
 }
 
 BOOST_FIXTURE_TEST_CASE(conflicting_proof_rescan, NoCoolDownFixture) {
     avalanche::PeerManager pm;
 
     const CKey key = CKey::MakeCompressedKey();
 
     const COutPoint conflictingOutpoint = createUtxo(key);
     const COutPoint outpointToSend = createUtxo(key);
 
     const Amount amount = 10 * COIN;
 
     ProofRef proofToInvalidate = buildProofWithOutpoints(
         key, {conflictingOutpoint, outpointToSend}, amount);
     BOOST_CHECK(pm.registerProof(proofToInvalidate));
 
     ProofRef conflictingProof = buildProofWithOutpoints(
         key, {conflictingOutpoint, createUtxo(key)}, amount);
     ProofRegistrationState state;
     BOOST_CHECK(!pm.registerProof(conflictingProof, state));
     BOOST_CHECK(state.GetResult() == ProofRegistrationResult::CONFLICTING);
     BOOST_CHECK(pm.isInConflictingPool(conflictingProof->getId()));
 
     {
         LOCK(cs_main);
         CCoinsViewCache &coins = ::ChainstateActive().CoinsTip();
         // Make proofToInvalidate invalid
         coins.SpendCoin(outpointToSend);
     }
 
     pm.updatedBlockTip();
 
     BOOST_CHECK(pm.isOrphan(proofToInvalidate->getId()));
 
     BOOST_CHECK(!pm.isInConflictingPool(conflictingProof->getId()));
     BOOST_CHECK(pm.isBoundToPeer(conflictingProof->getId()));
 }
 
 BOOST_FIXTURE_TEST_CASE(conflicting_proof_selection, NoCoolDownFixture) {
     const CKey key = CKey::MakeCompressedKey();
 
     const Amount amount(10 * COIN);
     const uint32_t height = 100;
     const bool is_coinbase = false;
 
     // This will be the conflicting UTXO for all the following proofs
     auto conflictingOutpoint = createUtxo(key, amount);
 
     auto proof_base = buildProofWithSequence(key, {conflictingOutpoint}, 10);
 
     gArgs.ForceSetArg("-enableavalancheproofreplacement", "1");
 
     ConflictingProofComparator comparator;
     auto checkPreferred = [&](const ProofRef &candidate,
                               const ProofRef &reference, bool expectAccepted) {
         BOOST_CHECK_EQUAL(comparator(candidate, reference), expectAccepted);
         BOOST_CHECK_EQUAL(comparator(reference, candidate), !expectAccepted);
 
         avalanche::PeerManager pm;
         BOOST_CHECK(pm.registerProof(reference));
         BOOST_CHECK(pm.isBoundToPeer(reference->getId()));
 
         ProofRegistrationState state;
         BOOST_CHECK_EQUAL(pm.registerProof(candidate, state), expectAccepted);
         BOOST_CHECK_EQUAL(state.IsValid(), expectAccepted);
         BOOST_CHECK_EQUAL(state.GetResult() ==
                               ProofRegistrationResult::CONFLICTING,
                           !expectAccepted);
 
         BOOST_CHECK_EQUAL(pm.isBoundToPeer(candidate->getId()), expectAccepted);
         BOOST_CHECK_EQUAL(pm.isInConflictingPool(candidate->getId()),
                           !expectAccepted);
 
         BOOST_CHECK_EQUAL(pm.isBoundToPeer(reference->getId()),
                           !expectAccepted);
         BOOST_CHECK_EQUAL(pm.isInConflictingPool(reference->getId()),
                           expectAccepted);
     };
 
     // Same master key, lower sequence number
     checkPreferred(buildProofWithSequence(key, {conflictingOutpoint}, 9),
                    proof_base, false);
     // Same master key, higher sequence number
     checkPreferred(buildProofWithSequence(key, {conflictingOutpoint}, 11),
                    proof_base, true);
 
     auto buildProofFromAmounts = [&](const CKey &master,
                                      std::vector<Amount> &&amounts) {
         std::vector<std::tuple<COutPoint, Amount>> outpointsWithAmount{
             {conflictingOutpoint, amount}};
         std::transform(amounts.begin(), amounts.end(),
                        std::back_inserter(outpointsWithAmount),
                        [&key](const Amount amount) {
                            return std::make_tuple(createUtxo(key, amount),
                                                   amount);
                        });
         return buildProof(key, outpointsWithAmount, master, 0, height,
                           is_coinbase, 0);
     };
 
     auto proof_multiUtxo = buildProofFromAmounts(key, {10 * COIN, 10 * COIN});
 
     // Test for both the same master and a different one. The sequence number
     // is the same for all these tests.
     for (const CKey &k : {key, CKey::MakeCompressedKey()}) {
         // Low amount
         checkPreferred(buildProofFromAmounts(k, {10 * COIN, 5 * COIN}),
                        proof_multiUtxo, false);
         // High amount
         checkPreferred(buildProofFromAmounts(k, {10 * COIN, 15 * COIN}),
                        proof_multiUtxo, true);
         // Same amount, low stake count
         checkPreferred(buildProofFromAmounts(k, {20 * COIN}), proof_multiUtxo,
                        true);
         // Same amount, high stake count
         checkPreferred(
             buildProofFromAmounts(k, {10 * COIN, 5 * COIN, 5 * COIN}),
             proof_multiUtxo, false);
         // Same amount, same stake count, selection is done on proof id
         auto proofSimilar = buildProofFromAmounts(k, {10 * COIN, 10 * COIN});
         checkPreferred(proofSimilar, proof_multiUtxo,
                        proofSimilar->getId() < proof_multiUtxo->getId());
     }
 
     gArgs.ClearForcedArg("-enableavalancheproofreplacement");
 }
 
 BOOST_AUTO_TEST_CASE(conflicting_orphans) {
     avalanche::PeerManager pm;
 
     const CKey key = CKey::MakeCompressedKey();
 
     const COutPoint conflictingOutpoint(TxId(GetRandHash()), 0);
     const COutPoint randomOutpoint1(TxId(GetRandHash()), 0);
 
     auto orphan10 = buildProofWithSequence(key, {conflictingOutpoint}, 10);
     auto orphan20 =
         buildProofWithSequence(key, {conflictingOutpoint, randomOutpoint1}, 20);
 
     BOOST_CHECK(!pm.registerProof(orphan10));
     BOOST_CHECK(pm.isOrphan(orphan10->getId()));
 
     BOOST_CHECK(!pm.registerProof(orphan20));
     BOOST_CHECK(pm.isOrphan(orphan20->getId()));
     BOOST_CHECK(!pm.exists(orphan10->getId()));
 
     const COutPoint outpointToSend(TxId(GetRandHash()), 0);
     // Add both randomOutpoint1 and outpointToSend to the UTXO set. The orphan20
     // proof is still an orphan because the conflictingOutpoint is unknown.
     addCoin(randomOutpoint1, key);
     addCoin(outpointToSend, key);
 
     // Build and register proof valid proof that will conflict with the orphan
     auto proof30 =
         buildProofWithSequence(key, {randomOutpoint1, outpointToSend}, 30);
     BOOST_CHECK(pm.registerProof(proof30));
     BOOST_CHECK(pm.isBoundToPeer(proof30->getId()));
 
     // Spend the outpointToSend to orphan proof30
     {
         LOCK(cs_main);
         CCoinsViewCache &coins = ::ChainstateActive().CoinsTip();
         coins.SpendCoin(outpointToSend);
     }
 
     // Check that a rescan will also select the preferred orphan, in this case
     // proof30 will replace orphan20.
     pm.updatedBlockTip();
 
     BOOST_CHECK(!pm.isBoundToPeer(proof30->getId()));
     BOOST_CHECK(pm.isOrphan(proof30->getId()));
     BOOST_CHECK(!pm.exists(orphan20->getId()));
 }
 
 BOOST_FIXTURE_TEST_CASE(preferred_conflicting_proof, NoCoolDownFixture) {
     avalanche::PeerManager pm;
 
     const CKey key = CKey::MakeCompressedKey();
     const COutPoint conflictingOutpoint = createUtxo(key);
 
     auto proofSeq10 = buildProofWithSequence(key, {conflictingOutpoint}, 10);
     auto proofSeq20 = buildProofWithSequence(key, {conflictingOutpoint}, 20);
     auto proofSeq30 = buildProofWithSequence(key, {conflictingOutpoint}, 30);
 
     BOOST_CHECK(pm.registerProof(proofSeq30));
     BOOST_CHECK(pm.isBoundToPeer(proofSeq30->getId()));
     BOOST_CHECK(!pm.isInConflictingPool(proofSeq30->getId()));
 
     // proofSeq10 is a worst candidate than proofSeq30, so it goes to the
     // conflicting pool.
     BOOST_CHECK(!pm.registerProof(proofSeq10));
     BOOST_CHECK(pm.isBoundToPeer(proofSeq30->getId()));
     BOOST_CHECK(!pm.isBoundToPeer(proofSeq10->getId()));
     BOOST_CHECK(pm.isInConflictingPool(proofSeq10->getId()));
 
     // proofSeq20 is a worst candidate than proofSeq30 but a better one than
     // proogSeq10, so it replaces it in the conflicting pool and proofSeq10 is
     // evicted.
     BOOST_CHECK(!pm.registerProof(proofSeq20));
     BOOST_CHECK(pm.isBoundToPeer(proofSeq30->getId()));
     BOOST_CHECK(!pm.isBoundToPeer(proofSeq20->getId()));
     BOOST_CHECK(pm.isInConflictingPool(proofSeq20->getId()));
     BOOST_CHECK(!pm.exists(proofSeq10->getId()));
 }
 
 BOOST_FIXTURE_TEST_CASE(update_next_conflict_time, NoCoolDownFixture) {
     avalanche::PeerManager pm;
 
     auto now = GetTime<std::chrono::seconds>();
     SetMockTime(now.count());
 
     // Updating the time of an unknown peer should fail
     for (size_t i = 0; i < 10; i++) {
         BOOST_CHECK(
             !pm.updateNextPossibleConflictTime(PeerId(GetRandInt(1000)), now));
     }
 
     auto proof = buildRandomProof(MIN_VALID_PROOF_SCORE);
     PeerId peerid = TestPeerManager::registerAndGetPeerId(pm, proof);
 
     auto checkNextPossibleConflictTime = [&](std::chrono::seconds expected) {
         BOOST_CHECK(pm.forPeer(proof->getId(), [&](const Peer &p) {
             return p.nextPossibleConflictTime == expected;
         }));
     };
 
     checkNextPossibleConflictTime(now);
 
     // Move the time in the past is not possible
     BOOST_CHECK(!pm.updateNextPossibleConflictTime(
         peerid, now - std::chrono::seconds{1}));
     checkNextPossibleConflictTime(now);
 
     BOOST_CHECK(pm.updateNextPossibleConflictTime(
         peerid, now + std::chrono::seconds{1}));
     checkNextPossibleConflictTime(now + std::chrono::seconds{1});
 }
 
 BOOST_FIXTURE_TEST_CASE(register_force_accept, NoCoolDownFixture) {
     avalanche::PeerManager pm;
 
     const CKey key = CKey::MakeCompressedKey();
 
     const COutPoint conflictingOutpoint = createUtxo(key);
 
     auto proofSeq10 = buildProofWithSequence(key, {conflictingOutpoint}, 10);
     auto proofSeq20 = buildProofWithSequence(key, {conflictingOutpoint}, 20);
     auto proofSeq30 = buildProofWithSequence(key, {conflictingOutpoint}, 30);
 
     BOOST_CHECK(pm.registerProof(proofSeq30));
     BOOST_CHECK(pm.isBoundToPeer(proofSeq30->getId()));
     BOOST_CHECK(!pm.isInConflictingPool(proofSeq30->getId()));
 
     // proofSeq20 is a worst candidate than proofSeq30, so it goes to the
     // conflicting pool.
     BOOST_CHECK(!pm.registerProof(proofSeq20));
     BOOST_CHECK(pm.isBoundToPeer(proofSeq30->getId()));
     BOOST_CHECK(pm.isInConflictingPool(proofSeq20->getId()));
 
     // We can force the acceptance of proofSeq20
     using RegistrationMode = avalanche::PeerManager::RegistrationMode;
     BOOST_CHECK(pm.registerProof(proofSeq20, RegistrationMode::FORCE_ACCEPT));
     BOOST_CHECK(pm.isBoundToPeer(proofSeq20->getId()));
     BOOST_CHECK(pm.isInConflictingPool(proofSeq30->getId()));
 
     // We can also force the acceptance of a proof which is not already in the
     // conflicting pool.
     BOOST_CHECK(!pm.registerProof(proofSeq10));
     BOOST_CHECK(!pm.exists(proofSeq10->getId()));
 
     BOOST_CHECK(pm.registerProof(proofSeq10, RegistrationMode::FORCE_ACCEPT));
     BOOST_CHECK(pm.isBoundToPeer(proofSeq10->getId()));
     BOOST_CHECK(!pm.exists(proofSeq20->getId()));
     BOOST_CHECK(pm.isInConflictingPool(proofSeq30->getId()));
 
     // Attempting to register again fails, and has no impact on the pools
     for (size_t i = 0; i < 10; i++) {
         BOOST_CHECK(!pm.registerProof(proofSeq10));
         BOOST_CHECK(
             !pm.registerProof(proofSeq10, RegistrationMode::FORCE_ACCEPT));
 
         BOOST_CHECK(pm.isBoundToPeer(proofSeq10->getId()));
         BOOST_CHECK(!pm.exists(proofSeq20->getId()));
         BOOST_CHECK(pm.isInConflictingPool(proofSeq30->getId()));
     }
 
     // Revert between proofSeq10 and proofSeq30 a few times
     for (size_t i = 0; i < 10; i++) {
         BOOST_CHECK(
             pm.registerProof(proofSeq30, RegistrationMode::FORCE_ACCEPT));
 
         BOOST_CHECK(pm.isBoundToPeer(proofSeq30->getId()));
         BOOST_CHECK(pm.isInConflictingPool(proofSeq10->getId()));
 
         BOOST_CHECK(
             pm.registerProof(proofSeq10, RegistrationMode::FORCE_ACCEPT));
 
         BOOST_CHECK(pm.isBoundToPeer(proofSeq10->getId()));
         BOOST_CHECK(pm.isInConflictingPool(proofSeq30->getId()));
     }
 }
 
 BOOST_FIXTURE_TEST_CASE(evicted_proof, NoCoolDownFixture) {
     avalanche::PeerManager pm;
 
     const CKey key = CKey::MakeCompressedKey();
 
     const COutPoint conflictingOutpoint = createUtxo(key);
 
     auto proofSeq10 = buildProofWithSequence(key, {conflictingOutpoint}, 10);
     auto proofSeq20 = buildProofWithSequence(key, {conflictingOutpoint}, 20);
     auto proofSeq30 = buildProofWithSequence(key, {conflictingOutpoint}, 30);
 
     {
         ProofRegistrationState state;
         BOOST_CHECK(pm.registerProof(proofSeq30, state));
         BOOST_CHECK(state.IsValid());
     }
 
     {
         ProofRegistrationState state;
         BOOST_CHECK(!pm.registerProof(proofSeq20, state));
         BOOST_CHECK(state.GetResult() == ProofRegistrationResult::CONFLICTING);
     }
 
     {
         ProofRegistrationState state;
         BOOST_CHECK(!pm.registerProof(proofSeq10, state));
         BOOST_CHECK(state.GetResult() == ProofRegistrationResult::REJECTED);
     }
 }
 
 BOOST_AUTO_TEST_CASE(conflicting_proof_cooldown) {
     avalanche::PeerManager pm;
 
     const CKey key = CKey::MakeCompressedKey();
 
     const COutPoint conflictingOutpoint = createUtxo(key);
 
     auto proofSeq20 = buildProofWithSequence(key, {conflictingOutpoint}, 20);
     auto proofSeq30 = buildProofWithSequence(key, {conflictingOutpoint}, 30);
     auto proofSeq40 = buildProofWithSequence(key, {conflictingOutpoint}, 40);
 
     int64_t conflictingProofCooldown = 100;
     gArgs.ForceSetArg("-avalancheconflictingproofcooldown",
                       strprintf("%d", conflictingProofCooldown));
 
     int64_t now = GetTime();
 
     auto increaseMockTime = [&](int64_t s) {
         now += s;
         SetMockTime(now);
     };
     increaseMockTime(0);
 
     BOOST_CHECK(pm.registerProof(proofSeq30));
     BOOST_CHECK(pm.isBoundToPeer(proofSeq30->getId()));
 
     auto checkRegistrationFailure = [&](const ProofRef &proof,
                                         ProofRegistrationResult reason) {
         ProofRegistrationState state;
         BOOST_CHECK(!pm.registerProof(proof, state));
         BOOST_CHECK(state.GetResult() == reason);
     };
 
     // Registering a conflicting proof will fail due to the conflicting proof
     // cooldown
     checkRegistrationFailure(proofSeq20,
                              ProofRegistrationResult::COOLDOWN_NOT_ELAPSED);
     BOOST_CHECK(!pm.exists(proofSeq20->getId()));
 
     // The cooldown applies as well if the proof is the favorite
     checkRegistrationFailure(proofSeq40,
                              ProofRegistrationResult::COOLDOWN_NOT_ELAPSED);
     BOOST_CHECK(!pm.exists(proofSeq40->getId()));
 
     // Elapse the cooldown
     increaseMockTime(conflictingProofCooldown);
 
     // The proof will now be added to conflicting pool
     checkRegistrationFailure(proofSeq20, ProofRegistrationResult::CONFLICTING);
     BOOST_CHECK(pm.isInConflictingPool(proofSeq20->getId()));
 
     // But no other
     checkRegistrationFailure(proofSeq40,
                              ProofRegistrationResult::COOLDOWN_NOT_ELAPSED);
     BOOST_CHECK(!pm.exists(proofSeq40->getId()));
     BOOST_CHECK(pm.isInConflictingPool(proofSeq20->getId()));
 
     // Elapse the cooldown
     increaseMockTime(conflictingProofCooldown);
 
     // The proof will now be added to conflicting pool
     checkRegistrationFailure(proofSeq40, ProofRegistrationResult::CONFLICTING);
     BOOST_CHECK(pm.isInConflictingPool(proofSeq40->getId()));
     BOOST_CHECK(!pm.exists(proofSeq20->getId()));
 
     gArgs.ClearForcedArg("-avalancheconflictingproofcooldown");
 }
 
 BOOST_FIXTURE_TEST_CASE(reject_proof, NoCoolDownFixture) {
     avalanche::PeerManager pm;
 
     const CKey key = CKey::MakeCompressedKey();
 
     const COutPoint conflictingOutpoint = createUtxo(key);
 
     // The good, the bad and the ugly
     auto proofSeq10 = buildProofWithSequence(key, {conflictingOutpoint}, 10);
     auto proofSeq20 = buildProofWithSequence(key, {conflictingOutpoint}, 20);
     auto orphan30 = buildProofWithSequence(
         key, {conflictingOutpoint, {TxId(GetRandHash()), 0}}, 30);
 
     BOOST_CHECK(pm.registerProof(proofSeq20));
     BOOST_CHECK(!pm.registerProof(proofSeq10));
     BOOST_CHECK(!pm.registerProof(orphan30));
 
     BOOST_CHECK(pm.isBoundToPeer(proofSeq20->getId()));
     BOOST_CHECK(pm.isInConflictingPool(proofSeq10->getId()));
     BOOST_CHECK(pm.isOrphan(orphan30->getId()));
 
     // Rejecting a proof that doesn't exist should fail
     for (size_t i = 0; i < 10; i++) {
         BOOST_CHECK(
             !pm.rejectProof(avalanche::ProofId(GetRandHash()),
                             avalanche::PeerManager::RejectionMode::DEFAULT));
         BOOST_CHECK(
             !pm.rejectProof(avalanche::ProofId(GetRandHash()),
                             avalanche::PeerManager::RejectionMode::INVALIDATE));
     }
 
     auto checkRejectDefault = [&](const ProofId &proofid) {
         BOOST_CHECK(pm.exists(proofid));
         const bool isOrphan = pm.isOrphan(proofid);
         BOOST_CHECK(pm.rejectProof(
             proofid, avalanche::PeerManager::RejectionMode::DEFAULT));
         BOOST_CHECK(!pm.isBoundToPeer(proofid));
         BOOST_CHECK_EQUAL(pm.exists(proofid), !isOrphan);
     };
 
     auto checkRejectInvalidate = [&](const ProofId &proofid) {
         BOOST_CHECK(pm.exists(proofid));
         BOOST_CHECK(pm.rejectProof(
             proofid, avalanche::PeerManager::RejectionMode::INVALIDATE));
     };
 
     // Reject from the orphan pool
     checkRejectDefault(orphan30->getId());
     BOOST_CHECK(!pm.registerProof(orphan30));
     BOOST_CHECK(pm.isOrphan(orphan30->getId()));
     checkRejectInvalidate(orphan30->getId());
 
     // Reject from the conflicting pool
     checkRejectDefault(proofSeq10->getId());
     checkRejectInvalidate(proofSeq10->getId());
 
     // Add again a proof to the conflicting pool
     BOOST_CHECK(!pm.registerProof(proofSeq10));
     BOOST_CHECK(pm.isInConflictingPool(proofSeq10->getId()));
 
     // Reject from the valid pool, default mode
     checkRejectDefault(proofSeq20->getId());
 
     // The conflicting proof should be promoted to a peer
     BOOST_CHECK(!pm.isInConflictingPool(proofSeq10->getId()));
     BOOST_CHECK(pm.isBoundToPeer(proofSeq10->getId()));
 
     // Reject from the valid pool, invalidate mode
     checkRejectInvalidate(proofSeq10->getId());
 
     // The conflicting proof should also be promoted to a peer
     BOOST_CHECK(!pm.isInConflictingPool(proofSeq20->getId()));
     BOOST_CHECK(pm.isBoundToPeer(proofSeq20->getId()));
 }
 
 BOOST_AUTO_TEST_CASE(should_request_more_nodes) {
     avalanche::PeerManager pm;
 
     auto proof = buildRandomProof(MIN_VALID_PROOF_SCORE);
     BOOST_CHECK(pm.registerProof(proof));
 
     // We have no nodes, so select node will fail and flag that we need more
     // nodes
     BOOST_CHECK_EQUAL(pm.selectNode(), NO_NODE);
     BOOST_CHECK(pm.shouldRequestMoreNodes());
 
     for (size_t i = 0; i < 10; i++) {
         // The flag will not trigger again until we fail to select nodes again
         BOOST_CHECK(!pm.shouldRequestMoreNodes());
     }
 
     // Add a few nodes.
     const ProofId &proofid = proof->getId();
     for (size_t i = 0; i < 10; i++) {
         BOOST_CHECK(pm.addNode(i, proofid));
     }
 
     auto cooldownTimepoint = std::chrono::steady_clock::now() + 10s;
 
     // All the nodes can be selected once
     for (size_t i = 0; i < 10; i++) {
         NodeId selectedId = pm.selectNode();
         BOOST_CHECK_NE(selectedId, NO_NODE);
         BOOST_CHECK(pm.updateNextRequestTime(selectedId, cooldownTimepoint));
         BOOST_CHECK(!pm.shouldRequestMoreNodes());
     }
 
     // All the nodes have been requested, next select will fail and the flag
     // should trigger
     BOOST_CHECK_EQUAL(pm.selectNode(), NO_NODE);
     BOOST_CHECK(pm.shouldRequestMoreNodes());
 
     for (size_t i = 0; i < 10; i++) {
         // The flag will not trigger again until we fail to select nodes again
         BOOST_CHECK(!pm.shouldRequestMoreNodes());
     }
 
     // Make it possible to request a node again
     BOOST_CHECK(pm.updateNextRequestTime(0, std::chrono::steady_clock::now()));
     BOOST_CHECK_NE(pm.selectNode(), NO_NODE);
     BOOST_CHECK(!pm.shouldRequestMoreNodes());
 }
 
 BOOST_AUTO_TEST_CASE(score_ordering) {
     avalanche::PeerManager pm;
 
     std::vector<uint32_t> expectedScores(10);
     // Expect the peers to be ordered by descending score
     std::generate(expectedScores.rbegin(), expectedScores.rend(),
                   [n = 1]() mutable { return n++ * MIN_VALID_PROOF_SCORE; });
 
     std::vector<ProofRef> proofs;
     proofs.reserve(expectedScores.size());
     for (uint32_t score : expectedScores) {
         proofs.push_back(buildRandomProof(score));
     }
 
     // Shuffle the proofs so they are registered in a random score order
     Shuffle(proofs.begin(), proofs.end(), FastRandomContext());
     for (auto &proof : proofs) {
         BOOST_CHECK(pm.registerProof(proof));
     }
 
     auto peersScores = TestPeerManager::getOrderedScores(pm);
     BOOST_CHECK_EQUAL_COLLECTIONS(peersScores.begin(), peersScores.end(),
                                   expectedScores.begin(), expectedScores.end());
 }
 
 BOOST_FIXTURE_TEST_CASE(known_score_tracking, NoCoolDownFixture) {
+    gArgs.ForceSetArg("-avaproofstakeutxoconfirmations", "2");
     avalanche::PeerManager pm;
 
     const CKey key = CKey::MakeCompressedKey();
 
     const Amount amount10(10 * COIN);
     const Amount amount20(20 * COIN);
 
-    const COutPoint peer1ConflictingOutput = createUtxo(key, amount10);
-    const COutPoint peer1SecondaryOutpoint = createUtxo(key, amount20);
+    const COutPoint peer1ConflictingOutput = createUtxo(key, amount10, 99);
+    const COutPoint peer1SecondaryOutpoint = createUtxo(key, amount20, 99);
 
     auto peer1Proof1 = buildProof(key,
                                   {{peer1ConflictingOutput, amount10},
                                    {peer1SecondaryOutpoint, amount20}},
-                                  key, 10);
+                                  key, 10, 99);
     auto peer1Proof2 =
-        buildProof(key, {{peer1ConflictingOutput, amount10}}, key, 20);
-    auto peer1Proof3 =
-        buildProof(key,
-                   {{peer1ConflictingOutput, amount10},
-                    {COutPoint{TxId(GetRandHash()), 0}, amount10}},
-                   key, 30);
+        buildProof(key, {{peer1ConflictingOutput, amount10}}, key, 20, 99);
+
+    // Create a proof with an immature UTXO, so the proof will be orphaned
+    auto peer1Proof3 = buildProof(key,
+                                  {{peer1ConflictingOutput, amount10},
+                                   {createUtxo(key, amount10), amount10}},
+                                  key, 30);
 
     const uint32_t peer1Score1 = Proof::amountToScore(amount10 + amount20);
     const uint32_t peer1Score2 = Proof::amountToScore(amount10);
 
     // Add first peer and check that we have its score tracked
     BOOST_CHECK_EQUAL(pm.getTotalPeersScore(), 0);
     BOOST_CHECK(pm.registerProof(peer1Proof2));
     BOOST_CHECK_EQUAL(pm.getTotalPeersScore(), peer1Score2);
 
     // Ensure failing to add conflicting proofs doesn't affect the score, the
     // first proof stays bound and counted
     BOOST_CHECK(!pm.registerProof(peer1Proof1));
     BOOST_CHECK(!pm.registerProof(peer1Proof3));
 
     BOOST_CHECK(pm.isBoundToPeer(peer1Proof2->getId()));
     BOOST_CHECK(pm.isInConflictingPool(peer1Proof1->getId()));
     BOOST_CHECK(pm.isOrphan(peer1Proof3->getId()));
 
     BOOST_CHECK_EQUAL(pm.getTotalPeersScore(), peer1Score2);
 
     auto checkRejectDefault = [&](const ProofId &proofid) {
         BOOST_CHECK(pm.exists(proofid));
         const bool isOrphan = pm.isOrphan(proofid);
         BOOST_CHECK(pm.rejectProof(
             proofid, avalanche::PeerManager::RejectionMode::DEFAULT));
         BOOST_CHECK(!pm.isBoundToPeer(proofid));
         BOOST_CHECK_EQUAL(pm.exists(proofid), !isOrphan);
     };
 
     auto checkRejectInvalidate = [&](const ProofId &proofid) {
         BOOST_CHECK(pm.exists(proofid));
         BOOST_CHECK(pm.rejectProof(
             proofid, avalanche::PeerManager::RejectionMode::INVALIDATE));
     };
 
     // Reject from the orphan pool doesn't affect tracked score
     checkRejectDefault(peer1Proof3->getId());
     BOOST_CHECK(!pm.registerProof(peer1Proof3));
     BOOST_CHECK(pm.isOrphan(peer1Proof3->getId()));
     BOOST_CHECK_EQUAL(pm.getTotalPeersScore(), peer1Score2);
     checkRejectInvalidate(peer1Proof3->getId());
     BOOST_CHECK_EQUAL(pm.getTotalPeersScore(), peer1Score2);
 
     // Reject from the conflicting pool
     checkRejectDefault(peer1Proof1->getId());
     checkRejectInvalidate(peer1Proof1->getId());
 
     // Add again a proof to the conflicting pool
     BOOST_CHECK(!pm.registerProof(peer1Proof1));
     BOOST_CHECK(pm.isInConflictingPool(peer1Proof1->getId()));
     BOOST_CHECK_EQUAL(pm.getTotalPeersScore(), peer1Score2);
 
     // Reject from the valid pool, default mode
     // Now the score should change as the new peer is promoted
     checkRejectDefault(peer1Proof2->getId());
     BOOST_CHECK(!pm.isInConflictingPool(peer1Proof1->getId()));
     BOOST_CHECK(pm.isBoundToPeer(peer1Proof1->getId()));
     BOOST_CHECK_EQUAL(pm.getTotalPeersScore(), peer1Score1);
 
     // Reject from the valid pool, invalidate mode
     // Now the score should change as the old peer is re-promoted
     checkRejectInvalidate(peer1Proof1->getId());
 
     // The conflicting proof should also be promoted to a peer
     BOOST_CHECK(!pm.isInConflictingPool(peer1Proof2->getId()));
     BOOST_CHECK(pm.isBoundToPeer(peer1Proof2->getId()));
     BOOST_CHECK_EQUAL(pm.getTotalPeersScore(), peer1Score2);
 
     // Now add another peer and check that combined scores are correct
     uint32_t peer2Score = 1 * MIN_VALID_PROOF_SCORE;
-    auto peer2Proof1 = buildRandomProof(peer2Score);
+    auto peer2Proof1 = buildRandomProof(peer2Score, 99);
     PeerId peerid2 = TestPeerManager::registerAndGetPeerId(pm, peer2Proof1);
     BOOST_CHECK_EQUAL(pm.getTotalPeersScore(), peer1Score2 + peer2Score);
 
     // Trying to remove non-existent peer doesn't affect score
     BOOST_CHECK(!pm.removePeer(1234));
     BOOST_CHECK_EQUAL(pm.getTotalPeersScore(), peer1Score2 + peer2Score);
 
     // Removing new peer removes its score
     BOOST_CHECK(pm.removePeer(peerid2));
     BOOST_CHECK_EQUAL(pm.getTotalPeersScore(), peer1Score2);
     PeerId peerid1 =
         TestPeerManager::getPeerIdForProofId(pm, peer1Proof2->getId());
     BOOST_CHECK(pm.removePeer(peerid1));
     BOOST_CHECK_EQUAL(pm.getTotalPeersScore(), 0);
 }
 
 BOOST_AUTO_TEST_CASE(connected_score_tracking) {
     avalanche::PeerManager pm;
 
     const auto checkScores = [&pm](uint32_t known, uint32_t connected) {
         BOOST_CHECK_EQUAL(pm.getTotalPeersScore(), known);
         BOOST_CHECK_EQUAL(pm.getConnectedPeersScore(), connected);
     };
 
     // Start out with 0s
     checkScores(0, 0);
 
     // Create one peer without a node. Its score should be registered but not
     // connected
     uint32_t score1 = 10000000 * MIN_VALID_PROOF_SCORE;
     auto proof1 = buildRandomProof(score1);
     PeerId peerid1 = TestPeerManager::registerAndGetPeerId(pm, proof1);
     checkScores(score1, 0);
 
     // Add nodes. We now have a connected score, but it doesn't matter how many
     // nodes we add the score is the same
     const ProofId &proofid1 = proof1->getId();
     const uint8_t nodesToAdd = 10;
     for (int i = 0; i < nodesToAdd; i++) {
         BOOST_CHECK(pm.addNode(i, proofid1));
         checkScores(score1, score1);
     }
 
     // Remove all but 1 node and ensure the score doesn't change
     for (int i = 0; i < nodesToAdd - 1; i++) {
         BOOST_CHECK(pm.removeNode(i));
         checkScores(score1, score1);
     }
 
     // Removing the last node should remove the score from the connected count
     BOOST_CHECK(pm.removeNode(nodesToAdd - 1));
     checkScores(score1, 0);
 
     // Add 2 nodes to peer and create peer2. Without a node peer2 has no
     // connected score but after adding a node it does.
     BOOST_CHECK(pm.addNode(0, proofid1));
     BOOST_CHECK(pm.addNode(1, proofid1));
     checkScores(score1, score1);
 
     uint32_t score2 = 1 * MIN_VALID_PROOF_SCORE;
     auto proof2 = buildRandomProof(score2);
     PeerId peerid2 = TestPeerManager::registerAndGetPeerId(pm, proof2);
     checkScores(score1 + score2, score1);
     BOOST_CHECK(pm.addNode(2, proof2->getId()));
     checkScores(score1 + score2, score1 + score2);
 
     // The first peer has two nodes left. Remove one and nothing happens, remove
     // the other and its score is no longer in the connected counter..
     BOOST_CHECK(pm.removeNode(0));
     checkScores(score1 + score2, score1 + score2);
     BOOST_CHECK(pm.removeNode(1));
     checkScores(score1 + score2, score2);
 
     // Removing a peer with no allocated score has no affect.
     BOOST_CHECK(pm.removePeer(peerid1));
     checkScores(score2, score2);
 
     // Remove the second peer's node removes its allocated score.
     BOOST_CHECK(pm.removeNode(2));
     checkScores(score2, 0);
 
     // Removing the second peer takes us back to 0.
     BOOST_CHECK(pm.removePeer(peerid2));
     checkScores(0, 0);
 
     // Add 2 peers with nodes and remove them without removing the nodes first.
     // Both score counters should be reduced by each peer's score when it's
     // removed.
     peerid1 = TestPeerManager::registerAndGetPeerId(pm, proof1);
     checkScores(score1, 0);
     peerid2 = TestPeerManager::registerAndGetPeerId(pm, proof2);
     checkScores(score1 + score2, 0);
     BOOST_CHECK(pm.addNode(0, proof1->getId()));
     checkScores(score1 + score2, score1);
     BOOST_CHECK(pm.addNode(1, proof2->getId()));
     checkScores(score1 + score2, score1 + score2);
 
     BOOST_CHECK(pm.removePeer(peerid2));
     checkScores(score1, score1);
 
     BOOST_CHECK(pm.removePeer(peerid1));
     checkScores(0, 0);
 }
 
 BOOST_FIXTURE_TEST_CASE(proof_radix_tree, NoCoolDownFixture) {
     avalanche::PeerManager pm;
 
     gArgs.ForceSetArg("-enableavalancheproofreplacement", "1");
 
     struct ProofComparatorById {
         bool operator()(const ProofRef &lhs, const ProofRef &rhs) const {
             return lhs->getId() < rhs->getId();
         };
     };
     using ProofSetById = std::set<ProofRef, ProofComparatorById>;
     // Maintain a list of the expected proofs through this test
     ProofSetById expectedProofs;
 
     auto matchExpectedContent = [&](const auto &tree) {
         auto it = expectedProofs.begin();
         return tree.forEachLeaf([&](auto pLeaf) {
             return it != expectedProofs.end() &&
                    pLeaf->getId() == (*it++)->getId();
         });
     };
 
     CKey key = CKey::MakeCompressedKey();
     const int64_t sequence = 10;
 
     // Add some initial proofs
     for (size_t i = 0; i < 10; i++) {
         auto outpoint = createUtxo(key);
         auto proof = buildProofWithSequence(key, {{outpoint}}, sequence);
         BOOST_CHECK(pm.registerProof(proof));
         expectedProofs.insert(std::move(proof));
     }
 
     const auto &treeRef = pm.getShareableProofsSnapshot();
     BOOST_CHECK(matchExpectedContent(treeRef));
 
     // Create a copy
     auto tree = pm.getShareableProofsSnapshot();
 
     // Adding more proofs doesn't change the tree...
     ProofSetById addedProofs;
     std::vector<COutPoint> outpointsToSpend;
     for (size_t i = 0; i < 10; i++) {
         auto outpoint = createUtxo(key);
         auto proof = buildProofWithSequence(key, {{outpoint}}, sequence);
         BOOST_CHECK(pm.registerProof(proof));
         addedProofs.insert(std::move(proof));
         outpointsToSpend.push_back(std::move(outpoint));
     }
 
     BOOST_CHECK(matchExpectedContent(tree));
 
     // ...until we get a new copy
     tree = pm.getShareableProofsSnapshot();
     expectedProofs.insert(addedProofs.begin(), addedProofs.end());
     BOOST_CHECK(matchExpectedContent(tree));
 
     // Spend some coins to make the associated proofs invalid
     {
         LOCK(cs_main);
         CCoinsViewCache &coins = ::ChainstateActive().CoinsTip();
         for (const auto &outpoint : outpointsToSpend) {
             coins.SpendCoin(outpoint);
         }
     }
 
     pm.updatedBlockTip();
 
     // This doesn't change the tree...
     BOOST_CHECK(matchExpectedContent(tree));
 
     // ...until we get a new copy
     tree = pm.getShareableProofsSnapshot();
     for (const auto &proof : addedProofs) {
         BOOST_CHECK_EQUAL(expectedProofs.erase(proof), 1);
     }
     BOOST_CHECK(matchExpectedContent(tree));
 
     // Add some more proof for which we will create conflicts
     std::vector<ProofRef> conflictingProofs;
     std::vector<COutPoint> conflictingOutpoints;
     for (size_t i = 0; i < 10; i++) {
         auto outpoint = createUtxo(key);
         auto proof = buildProofWithSequence(key, {{outpoint}}, sequence);
         BOOST_CHECK(pm.registerProof(proof));
         conflictingProofs.push_back(std::move(proof));
         conflictingOutpoints.push_back(std::move(outpoint));
     }
 
     tree = pm.getShareableProofsSnapshot();
     expectedProofs.insert(conflictingProofs.begin(), conflictingProofs.end());
     BOOST_CHECK(matchExpectedContent(tree));
 
     // Build a bunch of conflicting proofs, half better, half worst
     for (size_t i = 0; i < 10; i += 2) {
         // The worst proof is not added to the expected set
         BOOST_CHECK(!pm.registerProof(buildProofWithSequence(
             key, {{conflictingOutpoints[i]}}, sequence - 1)));
 
         // But the better proof should replace its conflicting one
         auto replacementProof = buildProofWithSequence(
             key, {{conflictingOutpoints[i + 1]}}, sequence + 1);
         BOOST_CHECK(pm.registerProof(replacementProof));
         BOOST_CHECK_EQUAL(expectedProofs.erase(conflictingProofs[i + 1]), 1);
         BOOST_CHECK(expectedProofs.insert(replacementProof).second);
     }
 
     tree = pm.getShareableProofsSnapshot();
     BOOST_CHECK(matchExpectedContent(tree));
 
     // Check for consistency
     pm.verify();
 
     gArgs.ClearForcedArg("-enableavalancheproofreplacement");
 }
 
 BOOST_AUTO_TEST_CASE(received_avaproofs) {
     avalanche::PeerManager pm;
 
     auto addNode = [&](NodeId nodeid) {
         auto proof = buildRandomProof(MIN_VALID_PROOF_SCORE);
         BOOST_CHECK(pm.registerProof(proof));
         BOOST_CHECK(pm.addNode(nodeid, proof->getId()));
     };
 
     for (NodeId nodeid = 0; nodeid < 10; nodeid++) {
         // Node doesn't exist
         BOOST_CHECK(!pm.latchAvaproofsSent(nodeid));
 
         addNode(nodeid);
         BOOST_CHECK(pm.latchAvaproofsSent(nodeid));
 
         // The flag is already set
         BOOST_CHECK(!pm.latchAvaproofsSent(nodeid));
     }
 }
 
 BOOST_FIXTURE_TEST_CASE(cleanup_dangling_proof, NoCoolDownFixture) {
     gArgs.ForceSetArg("-enableavalancheproofreplacement", "1");
 
     avalanche::PeerManager pm;
 
     const auto now = GetTime<std::chrono::seconds>();
     auto mocktime = now;
 
     auto elapseTime = [&](std::chrono::seconds seconds) {
         mocktime += seconds;
         SetMockTime(mocktime.count());
     };
     elapseTime(0s);
 
     const CKey key = CKey::MakeCompressedKey();
 
     const size_t numProofs = 10;
 
     std::vector<COutPoint> outpoints(numProofs);
     std::vector<ProofRef> proofs(numProofs);
     std::vector<ProofRef> conflictingProofs(numProofs);
     for (size_t i = 0; i < numProofs; i++) {
         outpoints[i] = createUtxo(key);
         proofs[i] = buildProofWithSequence(key, {outpoints[i]}, 2);
         conflictingProofs[i] = buildProofWithSequence(key, {outpoints[i]}, 1);
 
         BOOST_CHECK(pm.registerProof(proofs[i]));
         BOOST_CHECK(pm.isBoundToPeer(proofs[i]->getId()));
 
         BOOST_CHECK(!pm.registerProof(conflictingProofs[i]));
         BOOST_CHECK(pm.isInConflictingPool(conflictingProofs[i]->getId()));
 
         if (i % 2) {
             // Odd indexes get a node attached to them
             BOOST_CHECK(pm.addNode(i, proofs[i]->getId()));
         }
         BOOST_CHECK_EQUAL(pm.forPeer(proofs[i]->getId(),
                                      [&](const avalanche::Peer &peer) {
                                          return peer.node_count;
                                      }),
                           i % 2);
 
         elapseTime(1s);
     }
 
     // No proof expired yet
     TestPeerManager::cleanupDanglingProofs(pm);
     for (size_t i = 0; i < numProofs; i++) {
         BOOST_CHECK(pm.isBoundToPeer(proofs[i]->getId()));
         BOOST_CHECK(pm.isInConflictingPool(conflictingProofs[i]->getId()));
     }
 
     // Elapse the dangling timeout
     elapseTime(avalanche::Peer::DANGLING_TIMEOUT);
     TestPeerManager::cleanupDanglingProofs(pm);
     for (size_t i = 0; i < numProofs; i++) {
         const bool hasNodeAttached = i % 2;
 
         // Only the peers with no nodes attached are getting discarded
         BOOST_CHECK_EQUAL(pm.isBoundToPeer(proofs[i]->getId()),
                           hasNodeAttached);
         BOOST_CHECK_EQUAL(!pm.exists(proofs[i]->getId()), !hasNodeAttached);
 
         // The proofs conflicting with the discarded ones are pulled back
         BOOST_CHECK_EQUAL(pm.isInConflictingPool(conflictingProofs[i]->getId()),
                           hasNodeAttached);
         BOOST_CHECK_EQUAL(pm.isBoundToPeer(conflictingProofs[i]->getId()),
                           !hasNodeAttached);
     }
 
     // Attach a node to the first conflicting proof, which has been promoted
     BOOST_CHECK(pm.addNode(42, conflictingProofs[0]->getId()));
     BOOST_CHECK(pm.forPeer(
         conflictingProofs[0]->getId(),
         [&](const avalanche::Peer &peer) { return peer.node_count == 1; }));
 
     // Elapse the dangling timeout again
     elapseTime(avalanche::Peer::DANGLING_TIMEOUT);
     TestPeerManager::cleanupDanglingProofs(pm);
     for (size_t i = 0; i < numProofs; i++) {
         const bool hasNodeAttached = i % 2;
 
         // The initial peers with a node attached are still there
         BOOST_CHECK_EQUAL(pm.isBoundToPeer(proofs[i]->getId()),
                           hasNodeAttached);
         BOOST_CHECK_EQUAL(!pm.exists(proofs[i]->getId()), !hasNodeAttached);
 
         // This time the previouly promoted conflicting proofs are evicted
         // because they have no node attached, except the index 0.
         BOOST_CHECK_EQUAL(pm.exists(conflictingProofs[i]->getId()),
                           hasNodeAttached || i == 0);
         BOOST_CHECK_EQUAL(pm.isInConflictingPool(conflictingProofs[i]->getId()),
                           hasNodeAttached);
         BOOST_CHECK_EQUAL(pm.isBoundToPeer(conflictingProofs[i]->getId()),
                           i == 0);
     }
 
     // Disconnect all the nodes
     for (size_t i = 1; i < numProofs; i += 2) {
         BOOST_CHECK(pm.removeNode(i));
         BOOST_CHECK(
             pm.forPeer(proofs[i]->getId(), [&](const avalanche::Peer &peer) {
                 return peer.node_count == 0;
             }));
     }
     BOOST_CHECK(pm.removeNode(42));
     BOOST_CHECK(pm.forPeer(
         conflictingProofs[0]->getId(),
         [&](const avalanche::Peer &peer) { return peer.node_count == 0; }));
 
     TestPeerManager::cleanupDanglingProofs(pm);
     for (size_t i = 0; i < numProofs; i++) {
         const bool hadNodeAttached = i % 2;
 
         // All initially valid proofs have now been discarded
         BOOST_CHECK(!pm.exists(proofs[i]->getId()));
 
         // The remaining conflicting proofs are promoted
         BOOST_CHECK_EQUAL(!pm.exists(conflictingProofs[i]->getId()),
                           !hadNodeAttached);
         BOOST_CHECK(!pm.isInConflictingPool(conflictingProofs[i]->getId()));
         BOOST_CHECK_EQUAL(pm.isBoundToPeer(conflictingProofs[i]->getId()),
                           hadNodeAttached);
     }
 
     // Elapse the timeout for the newly promoted conflicting proofs
     elapseTime(avalanche::Peer::DANGLING_TIMEOUT);
     TestPeerManager::cleanupDanglingProofs(pm);
     for (size_t i = 0; i < numProofs; i++) {
         // All proofs have now been discarded
         BOOST_CHECK(!pm.exists(proofs[i]->getId()));
         BOOST_CHECK(!pm.exists(conflictingProofs[i]->getId()));
     }
 
     gArgs.ClearForcedArg("-enableavalancheproofreplacement");
 }
 
 BOOST_AUTO_TEST_SUITE_END()