Allow tr() import only when Taproot is active

To avoid issues around fund loss, only allow descriptor wallets
to import tr() descriptors after taproot has activated.

1 files changed, 6 insertions, 0 deletions

diff --git a/src/node/interfaces.cpp b/src/node/interfaces.cpp
index 8befbf5e30..e88594f7d6 100644
--- a/src/node/interfaces.cpp
+++ b/src/node/interfaces.cpp
@@ -709,6 +709,12 @@ public:
             notifications.transactionAddedToMempool(entry.GetSharedTx(), 0 /* mempool_sequence */);
         }
     }
+    bool isTaprootActive() const override
+    {
+        LOCK(::cs_main);
+        const CBlockIndex* tip = Assert(m_node.chainman)->ActiveChain().Tip();
+        return VersionBitsState(tip, Params().GetConsensus(), Consensus::DEPLOYMENT_TAPROOT, versionbitscache) == ThresholdState::ACTIVE;
+    }
     NodeContext& m_node;
 };
 } // namespace