Do not call global Params() when chainman is in scope

src/init.cpp

@@ -1680,8 +1680,8 @@ bool AppInitMain(NodeContext& node, interfaces::BlockAndHeaderTipInfo* tip_info)
         chain_active_height = chainman.ActiveChain().Height();
         if (tip_info) {
             tip_info->block_height = chain_active_height;
-            tip_info->block_time = chainman.ActiveChain().Tip() ? chainman.ActiveChain().Tip()->GetBlockTime() : Params().GenesisBlock().GetBlockTime();
+            tip_info->block_time = chainman.ActiveChain().Tip() ? chainman.ActiveChain().Tip()->GetBlockTime() : chainman.GetParams().GenesisBlock().GetBlockTime();
-            tip_info->verification_progress = GuessVerificationProgress(Params().TxData(), chainman.ActiveChain().Tip());
+            tip_info->verification_progress = GuessVerificationProgress(chainman.GetParams().TxData(), chainman.ActiveChain().Tip());
         }
         if (tip_info && chainman.m_best_header) {
             tip_info->header_height = chainman.m_best_header->nHeight;

src/node/interfaces.cpp

@@ -228,7 +228,7 @@ public:
     uint256 getBestBlockHash() override
     {
         const CBlockIndex* tip = WITH_LOCK(::cs_main, return chainman().ActiveChain().Tip());
-        return tip ? tip->GetBlockHash() : Params().GenesisBlock().GetHash();
+        return tip ? tip->GetBlockHash() : chainman().GetParams().GenesisBlock().GetHash();
     }
     int64_t getLastBlockTime() override
     {
@@ -236,7 +236,7 @@ public:
         if (chainman().ActiveChain().Tip()) {
             return chainman().ActiveChain().Tip()->GetBlockTime();
         }
-        return Params().GenesisBlock().GetBlockTime(); // Genesis block's time of current network
+        return chainman().GetParams().GenesisBlock().GetBlockTime(); // Genesis block's time of current network
     }
     double getVerificationProgress() override
     {
@@ -245,7 +245,7 @@ public:
             LOCK(::cs_main);
             tip = chainman().ActiveChain().Tip();
         }
-        return GuessVerificationProgress(Params().TxData(), tip);
+        return GuessVerificationProgress(chainman().GetParams().TxData(), tip);
     }
     bool isInitialBlockDownload() override {
         return chainman().ActiveChainstate().IsInitialBlockDownload();
@@ -546,7 +546,7 @@ public:
     double guessVerificationProgress(const uint256& block_hash) override
     {
         LOCK(cs_main);
-        return GuessVerificationProgress(Params().TxData(), chainman().m_blockman.LookupBlockIndex(block_hash));
+        return GuessVerificationProgress(chainman().GetParams().TxData(), chainman().m_blockman.LookupBlockIndex(block_hash));
     }
     bool hasBlocks(const uint256& block_hash, int min_height, std::optional<int> max_height) override
     {

src/rest.cpp

@@ -305,7 +305,7 @@ static bool rest_block(const std::any& context,
         if (chainman.m_blockman.IsBlockPruned(pblockindex))
             return RESTERR(req, HTTP_NOT_FOUND, hashStr + " not available (pruned data)");
 
-        if (!ReadBlockFromDisk(block, pblockindex, Params().GetConsensus()))
+        if (!ReadBlockFromDisk(block, pblockindex, chainman.GetParams().GetConsensus()))
             return RESTERR(req, HTTP_NOT_FOUND, hashStr + " not found");
     }
 

src/rpc/blockchain.cpp

@@ -777,11 +777,11 @@ static RPCHelpMan pruneblockchain()
 
     unsigned int height = (unsigned int) heightParam;
     unsigned int chainHeight = (unsigned int) active_chain.Height();
-    if (chainHeight < Params().PruneAfterHeight())
+    if (chainHeight < chainman.GetParams().PruneAfterHeight()) {
         throw JSONRPCError(RPC_MISC_ERROR, "Blockchain is too short for pruning.");
-    else if (height > chainHeight)
+    } else if (height > chainHeight) {
         throw JSONRPCError(RPC_INVALID_PARAMETER, "Blockchain is shorter than the attempted prune height.");
-    else if (height > chainHeight - MIN_BLOCKS_TO_KEEP) {
+    } else if (height > chainHeight - MIN_BLOCKS_TO_KEEP) {
         LogPrint(BCLog::RPC, "Attempt to prune blocks close to the tip.  Retaining the minimum number of blocks.\n");
         height = chainHeight - MIN_BLOCKS_TO_KEEP;
     }
@@ -1058,7 +1058,7 @@ static RPCHelpMan verifychain()
 
     CChainState& active_chainstate = chainman.ActiveChainstate();
     return CVerifyDB().VerifyDB(
-        active_chainstate, Params().GetConsensus(), active_chainstate.CoinsTip(), check_level, check_depth);
+        active_chainstate, chainman.GetParams().GetConsensus(), active_chainstate.CoinsTip(), check_level, check_depth);
 },
     };
 }
@@ -1189,14 +1189,14 @@ RPCHelpMan getblockchaininfo()
     const CBlockIndex& tip{*CHECK_NONFATAL(active_chainstate.m_chain.Tip())};
     const int height{tip.nHeight};
     UniValue obj(UniValue::VOBJ);
-    obj.pushKV("chain", Params().NetworkIDString());
+    obj.pushKV("chain", chainman.GetParams().NetworkIDString());
     obj.pushKV("blocks", height);
     obj.pushKV("headers", chainman.m_best_header ? chainman.m_best_header->nHeight : -1);
     obj.pushKV("bestblockhash", tip.GetBlockHash().GetHex());
     obj.pushKV("difficulty", GetDifficulty(&tip));
     obj.pushKV("time", tip.GetBlockTime());
     obj.pushKV("mediantime", tip.GetMedianTimePast());
-    obj.pushKV("verificationprogress", GuessVerificationProgress(Params().TxData(), &tip));
+    obj.pushKV("verificationprogress", GuessVerificationProgress(chainman.GetParams().TxData(), &tip));
     obj.pushKV("initialblockdownload", active_chainstate.IsInitialBlockDownload());
     obj.pushKV("chainwork", tip.nChainWork.GetHex());
     obj.pushKV("size_on_disk", chainman.m_blockman.CalculateCurrentUsage());
@@ -1563,7 +1563,7 @@ static RPCHelpMan getchaintxstats()
 {
     ChainstateManager& chainman = EnsureAnyChainman(request.context);
     const CBlockIndex* pindex;
-    int blockcount = 30 * 24 * 60 * 60 / Params().GetConsensus().nPowTargetSpacing; // By default: 1 month
+    int blockcount = 30 * 24 * 60 * 60 / chainman.GetParams().GetConsensus().nPowTargetSpacing; // By default: 1 month
 
     if (request.params[1].isNull()) {
         LOCK(cs_main);
@@ -1879,7 +1879,7 @@ static RPCHelpMan getblockstats()
     ret_all.pushKV("minfeerate", (minfeerate == MAX_MONEY) ? 0 : minfeerate);
     ret_all.pushKV("mintxsize", mintxsize == MAX_BLOCK_SERIALIZED_SIZE ? 0 : mintxsize);
     ret_all.pushKV("outs", outputs);
-    ret_all.pushKV("subsidy", GetBlockSubsidy(pindex.nHeight, Params().GetConsensus()));
+    ret_all.pushKV("subsidy", GetBlockSubsidy(pindex.nHeight, chainman.GetParams().GetConsensus()));
     ret_all.pushKV("swtotal_size", swtotal_size);
     ret_all.pushKV("swtotal_weight", swtotal_weight);
     ret_all.pushKV("swtxs", swtxs);

src/rpc/mining.cpp

@@ -119,9 +119,7 @@ static bool GenerateBlock(ChainstateManager& chainman, CBlock& block, uint64_t&
     block_hash.SetNull();
     block.hashMerkleRoot = BlockMerkleRoot(block);
 
-    CChainParams chainparams(Params());
+    while (max_tries > 0 && block.nNonce < std::numeric_limits<uint32_t>::max() && !CheckProofOfWork(block.GetHash(), block.nBits, chainman.GetConsensus()) && !ShutdownRequested()) {
-
-    while (max_tries > 0 && block.nNonce < std::numeric_limits<uint32_t>::max() && !CheckProofOfWork(block.GetHash(), block.nBits, chainparams.GetConsensus()) && !ShutdownRequested()) {
         ++block.nNonce;
         --max_tries;
     }
@@ -349,7 +347,6 @@ static RPCHelpMan generateblock()
         }
     }
 
-    CChainParams chainparams(Params());
     CBlock block;
 
     ChainstateManager& chainman = EnsureChainman(node);
@@ -374,7 +371,7 @@ static RPCHelpMan generateblock()
         LOCK(cs_main);
 
         BlockValidationState state;
-        if (!TestBlockValidity(state, chainparams, chainman.ActiveChainstate(), block, chainman.m_blockman.LookupBlockIndex(block.hashPrevBlock), false, false)) {
+        if (!TestBlockValidity(state, chainman.GetParams(), chainman.ActiveChainstate(), block, chainman.m_blockman.LookupBlockIndex(block.hashPrevBlock), false, false)) {
             throw JSONRPCError(RPC_VERIFY_ERROR, strprintf("TestBlockValidity failed: %s", state.ToString()));
         }
     }
@@ -429,7 +426,7 @@ static RPCHelpMan getmininginfo()
     obj.pushKV("difficulty",       (double)GetDifficulty(active_chain.Tip()));
     obj.pushKV("networkhashps",    getnetworkhashps().HandleRequest(request));
     obj.pushKV("pooledtx",         (uint64_t)mempool.size());
-    obj.pushKV("chain",            Params().NetworkIDString());
+    obj.pushKV("chain", chainman.GetParams().NetworkIDString());
     obj.pushKV("warnings",         GetWarnings(false).original);
     return obj;
 },
@@ -643,7 +640,7 @@ static RPCHelpMan getblocktemplate()
             if (block.hashPrevBlock != pindexPrev->GetBlockHash())
                 return "inconclusive-not-best-prevblk";
             BlockValidationState state;
-            TestBlockValidity(state, Params(), active_chainstate, block, pindexPrev, false, true);
+            TestBlockValidity(state, chainman.GetParams(), active_chainstate, block, pindexPrev, false, true);
             return BIP22ValidationResult(state);
         }
 
@@ -665,7 +662,7 @@ static RPCHelpMan getblocktemplate()
     if (strMode != "template")
         throw JSONRPCError(RPC_INVALID_PARAMETER, "Invalid mode");
 
-    if (!Params().IsTestChain()) {
+    if (!chainman.GetParams().IsTestChain()) {
         const CConnman& connman = EnsureConnman(node);
         if (connman.GetNodeCount(ConnectionDirection::Both) == 0) {
             throw JSONRPCError(RPC_CLIENT_NOT_CONNECTED, PACKAGE_NAME " is not connected!");
@@ -726,7 +723,7 @@ static RPCHelpMan getblocktemplate()
         // TODO: Maybe recheck connections/IBD and (if something wrong) send an expires-immediately template to stop miners?
     }
 
-    const Consensus::Params& consensusParams = Params().GetConsensus();
+    const Consensus::Params& consensusParams = chainman.GetParams().GetConsensus();
 
     // GBT must be called with 'signet' set in the rules for signet chains
     if (consensusParams.signet_blocks && setClientRules.count("signet") != 1) {

src/rpc/rawtransaction.cpp

@@ -217,7 +217,7 @@ static RPCHelpMan getrawtransaction()
     uint256 hash = ParseHashV(request.params[0], "parameter 1");
     const CBlockIndex* blockindex = nullptr;
 
-    if (hash == Params().GenesisBlock().hashMerkleRoot) {
+    if (hash == chainman.GetParams().GenesisBlock().hashMerkleRoot) {
         // Special exception for the genesis block coinbase transaction
         throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "The genesis block coinbase is not considered an ordinary transaction and cannot be retrieved");
     }
@@ -245,7 +245,7 @@ static RPCHelpMan getrawtransaction()
     }
 
     uint256 hash_block;
-    const CTransactionRef tx = GetTransaction(blockindex, node.mempool.get(), hash, Params().GetConsensus(), hash_block);
+    const CTransactionRef tx = GetTransaction(blockindex, node.mempool.get(), hash, chainman.GetConsensus(), hash_block);
     if (!tx) {
         std::string errmsg;
         if (blockindex) {

src/rpc/txoutproof.cpp

@@ -87,7 +87,7 @@ static RPCHelpMan gettxoutproof()
             LOCK(cs_main);
 
             if (pblockindex == nullptr) {
-                const CTransactionRef tx = GetTransaction(/*block_index=*/nullptr, /*mempool=*/nullptr, *setTxids.begin(), Params().GetConsensus(), hashBlock);
+                const CTransactionRef tx = GetTransaction(/*block_index=*/nullptr, /*mempool=*/nullptr, *setTxids.begin(), chainman.GetConsensus(), hashBlock);
                 if (!tx || hashBlock.IsNull()) {
                     throw JSONRPCError(RPC_INVALID_ADDRESS_OR_KEY, "Transaction not yet in block");
                 }
@@ -98,7 +98,7 @@ static RPCHelpMan gettxoutproof()
             }
 
             CBlock block;
-            if (!ReadBlockFromDisk(block, pblockindex, Params().GetConsensus())) {
+            if (!ReadBlockFromDisk(block, pblockindex, chainman.GetConsensus())) {
                 throw JSONRPCError(RPC_INTERNAL_ERROR, "Can't read block from disk");
             }
 

src/test/blockfilter_index_tests.cpp

@@ -65,7 +65,6 @@ CBlock BuildChainTestingSetup::CreateBlock(const CBlockIndex* prev,
     const std::vector<CMutableTransaction>& txns,
     const CScript& scriptPubKey)
 {
-    const CChainParams& chainparams = Params();
     std::unique_ptr<CBlockTemplate> pblocktemplate = BlockAssembler{m_node.chainman->ActiveChainstate(), *m_node.mempool}.CreateNewBlock(scriptPubKey);
     CBlock& block = pblocktemplate->block;
     block.hashPrevBlock = prev->GetBlockHash();
@@ -83,7 +82,7 @@ CBlock BuildChainTestingSetup::CreateBlock(const CBlockIndex* prev,
         block.hashMerkleRoot = BlockMerkleRoot(block);
     }
 
-    while (!CheckProofOfWork(block.GetHash(), block.nBits, chainparams.GetConsensus())) ++block.nNonce;
+    while (!CheckProofOfWork(block.GetHash(), block.nBits, m_node.chainman->GetConsensus())) ++block.nNonce;
 
     return block;
 }

src/test/denialofservice_tests.cpp

@@ -133,7 +133,6 @@ static void AddRandomOutboundPeer(NodeId& id, std::vector<CNode*>& vNodes, PeerM
 BOOST_AUTO_TEST_CASE(stale_tip_peer_management)
 {
     NodeId id{0};
-    const CChainParams& chainparams = Params();
     auto connman = std::make_unique<ConnmanTestMsg>(0x1337, 0x1337, *m_node.addrman, *m_node.netgroupman);
     auto peerLogic = PeerManager::make(*connman, *m_node.addrman, nullptr,
                                        *m_node.chainman, *m_node.mempool, false);
@@ -146,7 +145,7 @@ BOOST_AUTO_TEST_CASE(stale_tip_peer_management)
 
     const auto time_init{GetTime<std::chrono::seconds>()};
     SetMockTime(time_init);
-    const auto time_later{time_init + 3 * std::chrono::seconds{chainparams.GetConsensus().nPowTargetSpacing} + 1s};
+    const auto time_later{time_init + 3 * std::chrono::seconds{m_node.chainman->GetConsensus().nPowTargetSpacing} + 1s};
     connman->Init(options);
     std::vector<CNode *> vNodes;
 

src/test/util/setup_common.cpp

@@ -272,7 +272,6 @@ CBlock TestChain100Setup::CreateBlock(
     const CScript& scriptPubKey,
     CChainState& chainstate)
 {
-    const CChainParams& chainparams = Params();
     CTxMemPool empty_pool;
     CBlock block = BlockAssembler{chainstate, empty_pool}.CreateNewBlock(scriptPubKey)->block;
 
@@ -282,7 +281,7 @@ CBlock TestChain100Setup::CreateBlock(
     }
     RegenerateCommitments(block, *Assert(m_node.chainman));
 
-    while (!CheckProofOfWork(block.GetHash(), block.nBits, chainparams.GetConsensus())) ++block.nNonce;
+    while (!CheckProofOfWork(block.GetHash(), block.nBits, m_node.chainman->GetConsensus())) ++block.nNonce;
 
     return block;
 }