Fix qt usages of txout-based GetCredit

Author: instagibbs

src/interfaces/wallet.cpp

@@ -438,11 +438,11 @@ class WalletImpl : public Wallet
         LOCK(m_wallet->cs_wallet);
         return m_wallet->GetDebit(txin, filter);
     }
-    CAmountMap getCredit(const CTxOut& txout, isminefilter filter) override
+    CAmountMap getCredit(const CTransaction& tx, const size_t out_index, isminefilter filter) override
     {
         auto locked_chain = m_wallet->chain().lock();
         LOCK(m_wallet->cs_wallet);
-        return m_wallet->GetCredit(txout, filter);
+        return m_wallet->GetCredit(tx, out_index, filter);
     }
     CoinsList listCoins() override
     {

src/interfaces/wallet.h

@@ -215,7 +215,7 @@ class Wallet
     virtual CAmountMap getDebit(const CTxIn& txin, isminefilter filter) = 0;
 
     //! Return credit amount if transaction input belongs to wallet.
-    virtual CAmountMap getCredit(const CTxOut& txout, isminefilter filter) = 0;
+    virtual CAmountMap getCredit(const CTransaction& tx, const size_t out_index, isminefilter filter) = 0;
 
     //! Return AvailableCoins + LockedCoins grouped by wallet address.
     //! (put change in one group with wallet address)

src/qt/transactiondesc.cpp

@@ -136,8 +136,8 @@ QString TransactionDesc::toHTML(interfaces::Node& node, interfaces::Wallet& wall
         // Coinbase
         //
         CAmount nUnmatured = 0;
-        for (const CTxOut& txout : wtx.tx->vout)
-            nUnmatured += valueFor(wallet.getCredit(txout, ISMINE_ALL), ::policyAsset);
+        for (size_t nOut = 0; nOut < wtx.tx->vout.size(); nOut++)
+            nUnmatured += valueFor(wallet.getCredit(*(wtx.tx), nOut, ISMINE_ALL), ::policyAsset);
         strHTML += "<b>" + tr("Credit") + ":</b> ";
         if (status.is_in_main_chain)
             strHTML += BitcoinUnits::formatHtmlWithUnit(unit, nUnmatured)+ " (" + tr("matures in %n more block(s)", "", status.blocks_to_maturity) + ")";
@@ -233,9 +233,9 @@ QString TransactionDesc::toHTML(interfaces::Node& node, interfaces::Wallet& wall
                 }
             }
             mine = wtx.txout_is_mine.begin();
-            for (const CTxOut& txout : wtx.tx->vout) {
+            for (size_t nOut = 0; nOut < wtx.tx->vout.size(); nOut++) {
                 if (*(mine++)) {
-                    strHTML += "<b>" + tr("Credit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, valueFor(wallet.getCredit(txout, ISMINE_ALL), ::policyAsset)) + "<br>";
+                    strHTML += "<b>" + tr("Credit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, valueFor(wallet.getCredit(*(wtx.tx), nOut, ISMINE_ALL), ::policyAsset)) + "<br>";
                 }
             }
         }
@@ -293,9 +293,12 @@ QString TransactionDesc::toHTML(interfaces::Node& node, interfaces::Wallet& wall
         for (const CTxIn& txin : wtx.tx->vin)
             if(wallet.txinIsMine(txin))
                 strHTML += "<b>" + tr("Debit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, -valueFor(wallet.getDebit(txin, ISMINE_ALL), ::policyAsset)) + "<br>";
-        for (const CTxOut& txout : wtx.tx->vout)
-            if(wallet.txoutIsMine(txout))
-                strHTML += "<b>" + tr("Credit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, valueFor(wallet.getCredit(txout, ISMINE_ALL), ::policyAsset)) + "<br>";
+        for (size_t nOut = 0; nOut < wtx.tx->vout.size(); nOut++) {
+            const CTxOut& txout = wtx.tx->vout[nOut];
+            if(wallet.txoutIsMine(txout)) {
+                strHTML += "<b>" + tr("Credit") + ":</b> " + BitcoinUnits::formatHtmlWithUnit(unit, valueFor(wallet.getCredit(*(wtx.tx), nOut, ISMINE_ALL), ::policyAsset)) + "<br>";
+            }
+        }
 
         strHTML += "<br><b>" + tr("Transaction") + ":</b><br>";
         strHTML += GUIUtil::HtmlEscape(wtx.tx->ToString(), true);

src/wallet/wallet.cpp

@@ -1346,19 +1346,22 @@ isminetype CWallet::IsMine(const CTxOut& txout) const
     return ::IsMine(*this, txout.scriptPubKey);
 }
 
-CAmountMap CWallet::GetCredit(const CTxOut& txout, const isminefilter& filter) const
+CAmountMap CWallet::GetCredit(const CTransaction& tx, const size_t out_index, const isminefilter& filter) const
 {
-    assert(false && "CWallet::GetCredit(const CTxOut&, const isminefilter&): this method should not be used anymore");
-
-    CAmountMap credit;
-    if (txout.nAsset.IsExplicit() && txout.nValue.IsExplicit()) {
-        credit[txout.nAsset.GetAsset()] = txout.nValue.GetAmount();
-    } else {
-        WalletLogPrintf("WARNING: Calculating credit of blinded transaction.\n");
+    {
+        LOCK(cs_wallet);
+        std::map<uint256, CWalletTx>::const_iterator mi = mapWallet.find(tx.GetHash());
+        if (mi != mapWallet.end())
+        {
+            const CWalletTx& wtx = (*mi).second;
+            if (out_index < wtx.tx->vout.size() && IsMine(wtx.tx->vout[out_index]) & filter) {
+                CAmountMap amounts;
+                amounts[wtx.GetOutputAsset(out_index)] = std::max<CAmount>(0, wtx.GetOutputValueOut(out_index));
+                return amounts;
+            }
+        }
     }
-    if (!MoneyRange(credit))
-        throw std::runtime_error(std::string(__func__) + ": value out of range");
-    return ((IsMine(txout) & filter) ? credit : CAmountMap());
+    return CAmountMap();
 }
 
 bool CWallet::IsChange(const CTxOut& txout) const

src/wallet/wallet.h

@@ -1149,7 +1149,7 @@ class CWallet final : public CCryptoKeyStore, public CValidationInterface
      */
     CAmountMap GetDebit(const CTxIn& txin, const isminefilter& filter) const;
     isminetype IsMine(const CTxOut& txout) const;
-    CAmountMap GetCredit(const CTxOut& txout, const isminefilter& filter) const;
+    CAmountMap GetCredit(const CTransaction& tx, const size_t out_index, const isminefilter& filter) const;
     bool IsChange(const CTxOut& txout) const;
     bool IsChange(const CScript& script) const;
     CAmountMap GetChange(const CTxOut& txout) const;