diff --git a/src/rpc/avalanche.cpp b/src/rpc/avalanche.cpp
--- a/src/rpc/avalanche.cpp
+++ b/src/rpc/avalanche.cpp
@@ -442,6 +442,19 @@
     return ret;
 }
 
+static void verifyProofOrThrow(const NodeContext &node,
+                               const avalanche::Proof &proof) {
+    avalanche::ProofValidationState state;
+    {
+        LOCK(cs_main);
+        if (!proof.verify(state,
+                          node.chainman->ActiveChainstate().CoinsTip())) {
+            throw JSONRPCError(RPC_INVALID_PARAMETER,
+                               "The proof is invalid: " + state.ToString());
+        }
+    }
+}
+
 static UniValue verifyavalancheproof(const Config &config,
                                      const JSONRPCRequest &request) {
     RPCHelpMan{
@@ -465,17 +478,7 @@
         throw JSONRPCError(RPC_INVALID_PARAMETER, error.original);
     }
 
-    NodeContext &node = EnsureNodeContext(request.context);
-
-    avalanche::ProofValidationState state;
-    {
-        LOCK(cs_main);
-        if (!proof.verify(state,
-                          node.chainman->ActiveChainstate().CoinsTip())) {
-            throw JSONRPCError(RPC_INVALID_PARAMETER,
-                               "The proof is invalid: " + state.ToString());
-        }
-    }
+    verifyProofOrThrow(EnsureNodeContext(request.context), proof);
 
     return true;
 }