From ec2676becdf488f7a1151345a019c05dec926308 Mon Sep 17 00:00:00 2001
From: ishaanam <ishaana.misra@gmail.com>
Date: Wed, 2 Jul 2025 15:56:28 -0400
Subject: [PATCH] wallet: unconfirmed ancestors and descendants are always truc

---
 src/wallet/spend.cpp | 10 ++++++++++
 src/wallet/spend.h   |  3 +++
 2 files changed, 13 insertions(+)

diff --git a/src/wallet/spend.cpp b/src/wallet/spend.cpp
index 86aa137b1c5..8e24bb95fc5 100644
--- a/src/wallet/spend.cpp
+++ b/src/wallet/spend.cpp
@@ -12,6 +12,7 @@
 #include <node/types.h>
 #include <numeric>
 #include <policy/policy.h>
+#include <policy/truc_policy.h>
 #include <primitives/transaction.h>
 #include <primitives/transaction_identifier.h>
 #include <script/script.h>
@@ -386,6 +387,14 @@ CoinsResult AvailableCoins(const CWallet& wallet,
                 safeTx = false;
             }
 
+            if (nDepth == 0 && params.check_version_trucness) {
+                if (coinControl->m_version == TRUC_VERSION) {
+                    if (wtx.tx->version != TRUC_VERSION) continue;
+                } else {
+                    if (wtx.tx->version == TRUC_VERSION) continue;
+                }
+            }
+
             if (only_safe && !safeTx) {
                 continue;
             }
@@ -484,6 +493,7 @@ CoinsResult AvailableCoins(const CWallet& wallet,
 CoinsResult AvailableCoinsListUnspent(const CWallet& wallet, const CCoinControl* coinControl, CoinFilterParams params)
 {
     params.only_spendable = false;
+    params.check_version_trucness = false;
     return AvailableCoins(wallet, coinControl, /*feerate=*/ std::nullopt, params);
 }
 
diff --git a/src/wallet/spend.h b/src/wallet/spend.h
index c8e7737e1f5..19625c113e6 100644
--- a/src/wallet/spend.h
+++ b/src/wallet/spend.h
@@ -83,6 +83,9 @@ struct CoinFilterParams {
     bool include_immature_coinbase{false};
     // By default, skip locked UTXOs
     bool skip_locked{true};
+    // When true, filter unconfirmed coins by whether their
+    // version's TRUCness matches what is set by CCoinControl.
+    bool check_version_trucness{true};
 };
 
 /**