From f2d00bfe1a32a11c0d88e8c1d3bae6a6b01db15e Mon Sep 17 00:00:00 2001
From: Andrew Chow <achow101-github@achow101.com>
Date: Fri, 22 Jul 2022 14:49:10 -0400
Subject: [PATCH] wallet: Add CWallet::IsMine(COutPoint)

It is useful to have an IsMine function that can take an outpoint.
---
 src/wallet/wallet.cpp | 13 +++++++++++++
 src/wallet/wallet.h   |  1 +
 2 files changed, 14 insertions(+)

diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 45f49954a3..02fe6fba5b 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -1421,6 +1421,19 @@ bool CWallet::IsMine(const CTransaction& tx) const
     return false;
 }
 
+isminetype CWallet::IsMine(const COutPoint& outpoint) const
+{
+    AssertLockHeld(cs_wallet);
+    auto wtx = GetWalletTx(outpoint.hash);
+    if (!wtx) {
+        return ISMINE_NO;
+    }
+    if (outpoint.n >= wtx->tx->vout.size()) {
+        return ISMINE_NO;
+    }
+    return IsMine(wtx->tx->vout[outpoint.n]);
+}
+
 bool CWallet::IsFromMe(const CTransaction& tx) const
 {
     return (GetDebit(tx, ISMINE_ALL) > 0);
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index 247c172da3..d8c54bdb01 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -684,6 +684,7 @@ public:
     CAmount GetDebit(const CTxIn& txin, const isminefilter& filter) const;
     isminetype IsMine(const CTxOut& txout) const EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
     bool IsMine(const CTransaction& tx) const EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
+    isminetype IsMine(const COutPoint& outpoint) const EXCLUSIVE_LOCKS_REQUIRED(cs_wallet);
     /** should probably be renamed to IsRelevantToMe */
     bool IsFromMe(const CTransaction& tx) const;
     CAmount GetDebit(const CTransaction& tx, const isminefilter& filter) const;