[wallet] Ensure wallet is unlocked before signing

Author: gustavonalle

src/wallet/rpcwallet.cpp

@@ -3116,6 +3116,8 @@ UniValue signrawtransactionwithwallet(const JSONRPCRequest& request)
 
     // Sign the transaction
     LOCK2(cs_main, pwallet->cs_wallet);
+    EnsureWalletIsUnlocked(pwallet);
+
     return SignTransaction(mtx, request.params[1], pwallet, false, request.params[2]);
 }
 

test/functional/rpc_signrawtransaction.py

@@ -45,6 +45,14 @@ def successful_signing_test(self):
         # 2) No script verification error occurred
         assert 'errors' not in rawTxSigned
 
+    def test_with_lock_outputs(self):
+        """Test correct error reporting when trying to sign a locked output"""
+        self.nodes[0].encryptwallet("password")
+        self.restart_node(0)
+        rawTx = '020000000156b958f78e3f24e0b2f4e4db1255426b0902027cb37e3ddadb52e37c3557dddb0000000000ffffffff01c0a6b929010000001600149a2ee8c77140a053f36018ac8124a6ececc1668a00000000'
+
+        assert_raises_rpc_error(-13, "Please enter the wallet passphrase with walletpassphrase first", self.nodes[0].signrawtransactionwithwallet, rawTx)
+
     def script_verification_error_test(self):
         """Create and sign a raw transaction with valid (vin 0), invalid (vin 1) and one missing (vin 2) input script.
 
@@ -138,6 +146,7 @@ def script_verification_error_test(self):
     def run_test(self):
         self.successful_signing_test()
         self.script_verification_error_test()
+        self.test_with_lock_outputs()
 
 
 if __name__ == '__main__':