From 421edc8979a3fb27e421ba92eef99f1ae324ecfb Mon Sep 17 00:00:00 2001
From: Duke Leto <duke@leto.net>
Date: Thu, 2 Jun 2022 21:43:10 -0400
Subject: [PATCH] Log txid for double spends and missing anchors

This makes debugging failed transactions much easier.
---
 src/coins.cpp | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/coins.cpp b/src/coins.cpp
index a83731e35..0c3af3863 100644
--- a/src/coins.cpp
+++ b/src/coins.cpp
@@ -578,13 +578,13 @@ bool CCoinsViewCache::HaveShieldedRequirements(const CTransaction& tx) const
 {
     for (const SpendDescription &spendDescription : tx.vShieldedSpend) {
         if (GetNullifier(spendDescription.nullifier, SAPLING)) { // Prevent double spends
-            LogPrintf("%s: sapling nullifier %s exists, preventing double spend\n", __FUNCTION__, spendDescription.nullifier.GetHex().c_str());
+            LogPrintf("%s: sapling nullifier %s exists, preventing double spend in tx %s\n", __FUNCTION__, spendDescription.nullifier.GetHex().c_str(), tx.GetHash().GetHex().c_str());
             return false;
 		}
 
         SaplingMerkleTree tree;
         if (!GetSaplingAnchorAt(spendDescription.anchor, tree)) {
-            LogPrintf("%s: missing sapling anchor: %s \n", __FUNCTION__, spendDescription.anchor.GetHex().c_str());
+            LogPrintf("%s: missing sapling anchor: %s in tx %s \n", __FUNCTION__, spendDescription.anchor.GetHex().c_str(), tx.GetHash().GetHex().c_str());
             return false;
         }
     }