From dce032ce294fe0d531770f540b1de00dc1d13f4b Mon Sep 17 00:00:00 2001
From: Jeremy Rubin <j@rubin.io>
Date: Fri, 30 Aug 2019 12:39:41 -0700
Subject: Make IsTrusted scan parents recursively

---
 src/wallet/wallet.cpp | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 6adcf15167..5acd0dbf0c 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -2319,8 +2319,12 @@ bool CWalletTx::IsTrusted(interfaces::Chain::Lock& locked_chain) const
         if (parent == nullptr)
             return false;
         const CTxOut& parentOut = parent->tx->vout[txin.prevout.n];
+        // Check that this specific input being spent is trusted
         if (pwallet->IsMine(parentOut) != ISMINE_SPENDABLE)
             return false;
+        // Recurse to check that the parent is also trusted
+        if (!parent->IsTrusted(locked_chain))
+            return false;
     }
     return true;
 }
-- 
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