2 files changed, 12 insertions, 0 deletions
diff --git a/src/wallet/wallet.cpp b/src/wallet/wallet.cpp
index 44e28de0cd..5811c0310a 100644
--- a/src/wallet/wallet.cpp
+++ b/src/wallet/wallet.cpp
@@ -1331,6 +1331,15 @@ bool CWalletTx::IsTrusted() const
     return true;
 }
 
+bool CWalletTx::IsEquivalentTo(const CWalletTx& tx) const
+{
+        CMutableTransaction tx1 = *this;
+        CMutableTransaction tx2 = tx;
+        for (unsigned int i = 0; i < tx1.vin.size(); i++) tx1.vin[i].scriptSig = CScript();
+        for (unsigned int i = 0; i < tx2.vin.size(); i++) tx2.vin[i].scriptSig = CScript();
+        return CTransaction(tx1) == CTransaction(tx2);
+}
+
 std::vector<uint256> CWallet::ResendWalletTransactionsBefore(int64_t nTime)
 {
     std::vector<uint256> result;
diff --git a/src/wallet/wallet.h b/src/wallet/wallet.h
index f36c98e9fc..003266ba19 100644
--- a/src/wallet/wallet.h
+++ b/src/wallet/wallet.h
@@ -378,6 +378,9 @@ public:
         return (GetDebit(filter) > 0);
     }
 
+    // True if only scriptSigs are different
+    bool IsEquivalentTo(const CWalletTx& tx) const;
+
     bool IsTrusted() const;
 
     bool WriteToDisk(CWalletDB *pwalletdb);