From cad5f6673bb537d36b80d90028395995215afe78 Mon Sep 17 00:00:00 2001
From: woodser <woodser@protonmail.com>
Date: Wed, 24 Mar 2021 04:19:01 -0400
Subject: [PATCH] check for empty signature in check_tx_proof()

---
 src/wallet/monero_wallet_full.cpp | 3 +++
 1 file changed, 3 insertions(+)

diff --git a/src/wallet/monero_wallet_full.cpp b/src/wallet/monero_wallet_full.cpp
index d44d3e9..fc204bc 100644
--- a/src/wallet/monero_wallet_full.cpp
+++ b/src/wallet/monero_wallet_full.cpp
@@ -2640,6 +2640,9 @@ namespace monero {
       throw std::runtime_error("Invalid address");
     }
 
+    // validate signature
+    if (signature.empty()) throw std::runtime_error("Must provide signature to check tx proof");
+
     // initialize and return tx check using wallet2
     std::shared_ptr<monero_check_tx> check_tx = std::make_shared<monero_check_tx>();
     uint64_t received_amount;