try

src/crosschain_authority.cpp

@@ -42,10 +42,14 @@ bool CheckTxAuthority(const CTransaction &tx, CrosschainAuthority auth)
             if (!seen[i]) {
                 if (memcmp(pk, auth.notaries[i], 33) == 0) {
                     seen[i] = 1;
+                    printf("seennotary..%i\n",i);
                     goto found;
+                } else {
+                    printf("notary.%i is not valid!\n",i);
                 }
             }
         }
+
         return false;
         found:;
     }