4 files changed, 6 insertions, 6 deletions
diff --git a/src/node/blockstorage.cpp b/src/node/blockstorage.cpp
index 7392830261..c35d2a51ce 100644
--- a/src/node/blockstorage.cpp
+++ b/src/node/blockstorage.cpp
@@ -408,13 +408,13 @@ bool BlockManager::LoadBlockIndexDB(ChainstateManager& chainman)
     return true;
 }
 
-CBlockIndex* BlockManager::GetLastCheckpoint(const CCheckpointData& data)
+const CBlockIndex* BlockManager::GetLastCheckpoint(const CCheckpointData& data)
 {
     const MapCheckpoints& checkpoints = data.mapCheckpoints;
 
     for (const MapCheckpoints::value_type& i : reverse_iterate(checkpoints)) {
         const uint256& hash = i.second;
-        CBlockIndex* pindex = LookupBlockIndex(hash);
+        const CBlockIndex* pindex = LookupBlockIndex(hash);
         if (pindex) {
             return pindex;
         }
diff --git a/src/node/blockstorage.h b/src/node/blockstorage.h
index 12224f7a5d..69aed28cab 100644
--- a/src/node/blockstorage.h
+++ b/src/node/blockstorage.h
@@ -163,7 +163,7 @@ public:
     uint64_t CalculateCurrentUsage();
 
     //! Returns last CBlockIndex* that is a checkpoint
-    CBlockIndex* GetLastCheckpoint(const CCheckpointData& data) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
+    const CBlockIndex* GetLastCheckpoint(const CCheckpointData& data) EXCLUSIVE_LOCKS_REQUIRED(cs_main);
 
     ~BlockManager()
     {
diff --git a/src/node/interfaces.cpp b/src/node/interfaces.cpp
index cb063ae9f8..74d53d2062 100644
--- a/src/node/interfaces.cpp
+++ b/src/node/interfaces.cpp
@@ -490,7 +490,7 @@ public:
     {
         LOCK(cs_main);
         const CChainState& active = Assert(m_node.chainman)->ActiveChainstate();
-        if (CBlockIndex* fork = active.FindForkInGlobalIndex(locator)) {
+        if (const CBlockIndex* fork = active.FindForkInGlobalIndex(locator)) {
             return fork->nHeight;
         }
         return std::nullopt;
@@ -557,7 +557,7 @@ public:
         // used to limit the range, and passing min_height that's too low or
         // max_height that's too high will not crash or change the result.
         LOCK(::cs_main);
-        if (CBlockIndex* block = chainman().m_blockman.LookupBlockIndex(block_hash)) {
+        if (const CBlockIndex* block = chainman().m_blockman.LookupBlockIndex(block_hash)) {
             if (max_height && block->nHeight >= *max_height) block = block->GetAncestor(*max_height);
             for (; block->nStatus & BLOCK_HAVE_DATA; block = block->pprev) {
                 // Check pprev to not segfault if min_height is too low
diff --git a/src/node/miner.cpp b/src/node/miner.cpp
index 7fe10ecabc..fbfa88c170 100644
--- a/src/node/miner.cpp
+++ b/src/node/miner.cpp
@@ -50,7 +50,7 @@ void RegenerateCommitments(CBlock& block, ChainstateManager& chainman)
     tx.vout.erase(tx.vout.begin() + GetWitnessCommitmentIndex(block));
     block.vtx.at(0) = MakeTransactionRef(tx);
 
-    CBlockIndex* prev_block = WITH_LOCK(::cs_main, return chainman.m_blockman.LookupBlockIndex(block.hashPrevBlock));
+    const CBlockIndex* prev_block = WITH_LOCK(::cs_main, return chainman.m_blockman.LookupBlockIndex(block.hashPrevBlock));
     GenerateCoinbaseCommitment(block, prev_block, Params().GetConsensus());
 
     block.hashMerkleRoot = BlockMerkleRoot(block);