3 files changed, 10 insertions, 8 deletions
diff --git a/src/rpc/blockchain.cpp b/src/rpc/blockchain.cpp
index c04e4fc77b..3c5fd565e3 100644
--- a/src/rpc/blockchain.cpp
+++ b/src/rpc/blockchain.cpp
@@ -214,7 +214,7 @@ static UniValue getbestblockhash(const JSONRPCRequest& request)
     return ::ChainActive().Tip()->GetBlockHash().GetHex();
 }
 
-void RPCNotifyBlockChange(bool ibd, const CBlockIndex * pindex)
+void RPCNotifyBlockChange(const CBlockIndex* pindex)
 {
     if(pindex) {
         std::lock_guard<std::mutex> lock(cs_blockchange);
diff --git a/src/rpc/blockchain.h b/src/rpc/blockchain.h
index 2417340d64..453d0bc650 100644
--- a/src/rpc/blockchain.h
+++ b/src/rpc/blockchain.h
@@ -33,7 +33,7 @@ static constexpr int NUM_GETBLOCKSTATS_PERCENTILES = 5;
 double GetDifficulty(const CBlockIndex* blockindex);
 
 /** Callback for when block tip changed. */
-void RPCNotifyBlockChange(bool ibd, const CBlockIndex *);
+void RPCNotifyBlockChange(const CBlockIndex*);
 
 /** Block description to JSON */
 UniValue blockToJSON(const CBlock& block, const CBlockIndex* tip, const CBlockIndex* blockindex, bool txDetails = false) LOCKS_EXCLUDED(cs_main);
diff --git a/src/rpc/mining.cpp b/src/rpc/mining.cpp
index 28b3582866..bcaed1ef88 100644
--- a/src/rpc/mining.cpp
+++ b/src/rpc/mining.cpp
@@ -788,6 +788,8 @@ static UniValue getblocktemplate(const JSONRPCRequest& request)
     result.pushKV("capabilities", aCaps);
 
     UniValue aRules(UniValue::VARR);
+    aRules.push_back("csv");
+    if (!fPreSegWit) aRules.push_back("!segwit");
     UniValue vbavailable(UniValue::VOBJ);
     for (int j = 0; j < (int)Consensus::MAX_VERSION_BITS_DEPLOYMENTS; ++j) {
         Consensus::DeploymentPos pos = Consensus::DeploymentPos(j);
@@ -875,7 +877,7 @@ static UniValue getblocktemplate(const JSONRPCRequest& request)
     return result;
 }
 
-class submitblock_StateCatcher : public CValidationInterface
+class submitblock_StateCatcher final : public CValidationInterface
 {
 public:
     uint256 hash;
@@ -943,17 +945,17 @@ static UniValue submitblock(const JSONRPCRequest& request)
     }
 
     bool new_block;
-    submitblock_StateCatcher sc(block.GetHash());
-    RegisterValidationInterface(&sc);
+    auto sc = std::make_shared<submitblock_StateCatcher>(block.GetHash());
+    RegisterSharedValidationInterface(sc);
     bool accepted = ProcessNewBlock(Params(), blockptr, /* fForceProcessing */ true, /* fNewBlock */ &new_block);
-    UnregisterValidationInterface(&sc);
+    UnregisterSharedValidationInterface(sc);
     if (!new_block && accepted) {
         return "duplicate";
     }
-    if (!sc.found) {
+    if (!sc->found) {
         return "inconclusive";
     }
-    return BIP22ValidationResult(sc.state);
+    return BIP22ValidationResult(sc->state);
 }
 
 static UniValue submitheader(const JSONRPCRequest& request)