diff --git a/src/rest.cpp b/src/rest.cpp
index 1093bf46ce847..36c7da1e30b38 100644
--- a/src/rest.cpp
+++ b/src/rest.cpp
@@ -181,13 +181,14 @@ static bool rest_headers(const std::any& context,
     headers.reserve(count);
     {
         LOCK(cs_main);
-        tip = ::ChainActive().Tip();
-        const CBlockIndex* pindex = g_chainman.m_blockman.LookupBlockIndex(hash);
-        while (pindex != nullptr && ::ChainActive().Contains(pindex)) {
+        ChainstateManager& chainman = EnsureChainman(context);
+        tip = chainman.ActiveChain().Tip();
+        const CBlockIndex* pindex = chainman.m_blockman.LookupBlockIndex(hash);
+        while (pindex != nullptr && chainman.ActiveChain().Contains(pindex)) {
             headers.push_back(pindex);
             if (headers.size() == (unsigned long)count)
                 break;
-            pindex = ::ChainActive().Next(pindex);
+            pindex = chainman.ActiveChain().Next(pindex);
         }
     }
 
@@ -250,8 +251,9 @@ static bool rest_block(const std::any& context,
     CBlockIndex* tip = nullptr;
     {
         LOCK(cs_main);
-        tip = ::ChainActive().Tip();
-        pblockindex = g_chainman.m_blockman.LookupBlockIndex(hash);
+        ChainstateManager& chainman = EnsureChainman(context);
+        tip = chainman.ActiveChain().Tip();
+        pblockindex = chainman.m_blockman.LookupBlockIndex(hash);
         if (!pblockindex) {
             return RESTERR(req, HTTP_NOT_FOUND, hashStr + " not found");
         }
@@ -536,6 +538,7 @@ static bool rest_getutxos(const std::any& context, HTTPRequest* req, const std::
     std::string bitmapStringRepresentation;
     std::vector<bool> hits;
     bitmap.resize((vOutPoints.size() + 7) / 8);
+    ChainstateManager& chainman = EnsureChainman(context);
     {
         auto process_utxos = [&vOutPoints, &outs, &hits](const CCoinsView& view, const CTxMemPool& mempool) {
             for (const COutPoint& vOutPoint : vOutPoints) {
@@ -551,12 +554,12 @@ static bool rest_getutxos(const std::any& context, HTTPRequest* req, const std::
             if (!mempool) return false;
             // use db+mempool as cache backend in case user likes to query mempool
             LOCK2(cs_main, mempool->cs);
-            CCoinsViewCache& viewChain = ::ChainstateActive().CoinsTip();
+            CCoinsViewCache& viewChain = chainman.ActiveChainstate().CoinsTip();
             CCoinsViewMemPool viewMempool(&viewChain, *mempool);
             process_utxos(viewMempool, *mempool);
         } else {
             LOCK(cs_main);  // no need to lock mempool!
-            process_utxos(::ChainstateActive().CoinsTip(), CTxMemPool());
+            process_utxos(chainman.ActiveChainstate().CoinsTip(), CTxMemPool());
         }
 
         for (size_t i = 0; i < hits.size(); ++i) {
@@ -571,7 +574,7 @@ static bool rest_getutxos(const std::any& context, HTTPRequest* req, const std::
         // serialize data
         // use exact same output as mentioned in Bip64
         CDataStream ssGetUTXOResponse(SER_NETWORK, PROTOCOL_VERSION);
-        ssGetUTXOResponse << ::ChainActive().Height() << ::ChainActive().Tip()->GetBlockHash() << bitmap << outs;
+        ssGetUTXOResponse << chainman.ActiveChain().Height() << chainman.ActiveChain().Tip()->GetBlockHash() << bitmap << outs;
         std::string ssGetUTXOResponseString = ssGetUTXOResponse.str();
 
         req->WriteHeader("Content-Type", "application/octet-stream");
@@ -581,7 +584,7 @@ static bool rest_getutxos(const std::any& context, HTTPRequest* req, const std::
 
     case RetFormat::HEX: {
         CDataStream ssGetUTXOResponse(SER_NETWORK, PROTOCOL_VERSION);
-        ssGetUTXOResponse << ::ChainActive().Height() << ::ChainActive().Tip()->GetBlockHash() << bitmap << outs;
+        ssGetUTXOResponse << chainman.ActiveChain().Height() << chainman.ActiveChain().Tip()->GetBlockHash() << bitmap << outs;
         std::string strHex = HexStr(ssGetUTXOResponse) + "\n";
 
         req->WriteHeader("Content-Type", "text/plain");
@@ -594,8 +597,8 @@ static bool rest_getutxos(const std::any& context, HTTPRequest* req, const std::
 
         // pack in some essentials
         // use more or less the same output as mentioned in Bip64
-        objGetUTXOResponse.pushKV("chainHeight", ::ChainActive().Height());
-        objGetUTXOResponse.pushKV("chaintipHash", ::ChainActive().Tip()->GetBlockHash().GetHex());
+        objGetUTXOResponse.pushKV("chainHeight", chainman.ActiveChain().Height());
+        objGetUTXOResponse.pushKV("chaintipHash", chainman.ActiveChain().Tip()->GetBlockHash().GetHex());
         objGetUTXOResponse.pushKV("bitmap", bitmapStringRepresentation);
 
         UniValue utxos(UniValue::VARR);
@@ -639,10 +642,11 @@ static bool rest_blockhash_by_height(const std::any& context, HTTPRequest* req,
     CBlockIndex* pblockindex = nullptr;
     {
         LOCK(cs_main);
-        if (blockheight > ::ChainActive().Height()) {
+        const CChain& active_chain = EnsureChainman(context).ActiveChain();
+        if (blockheight > active_chain.Height()) {
             return RESTERR(req, HTTP_NOT_FOUND, "Block height out of range");
         }
-        pblockindex = ::ChainActive()[blockheight];
+        pblockindex = active_chain[blockheight];
     }
     switch (rf) {
     case RetFormat::BINARY: {