Get rid of unneeded CWalletTx::Init parameter

Author: ryanofsky

src/wallet/wallet.h

@@ -338,15 +338,15 @@ class CWalletTx
     mutable bool fInMempool;
     mutable CAmount nChangeCached;
 
-    CWalletTx(const CWallet* pwalletIn, CTransactionRef arg)
-        : tx(std::move(arg))
+    CWalletTx(const CWallet* wallet, CTransactionRef arg)
+        : pwallet(wallet),
+          tx(std::move(arg))
     {
-        Init(pwalletIn);
+        Init();
     }
 
-    void Init(const CWallet* pwalletIn)
+    void Init()
     {
-        pwallet = pwalletIn;
         mapValue.clear();
         vOrderForm.clear();
         fTimeReceivedIsTxTime = false;
@@ -414,7 +414,7 @@ class CWalletTx
     template<typename Stream>
     void Unserialize(Stream& s)
     {
-        Init(nullptr);
+        Init();
 
         std::vector<uint256> dummy_vector1; //!< Used to be vMerkleBranch
         std::vector<CMerkleTx> dummy_vector2; //!< Used to be vtxPrev