From f3fbe99fcf90daec79d49fd5d868102dc99feb23 Mon Sep 17 00:00:00 2001
From: Luke Dashjr <luke-jr+git@utopios.org>
Date: Sat, 15 Dec 2018 19:52:03 +0000
Subject: GUI: TransactionRecord: Refactor to turn send-to-self into
 send+receive pairs

---
 src/qt/transactionrecord.cpp | 130 ++++++++++++++++++-------------------------
 1 file changed, 53 insertions(+), 77 deletions(-)

(limited to 'src/qt/transactionrecord.cpp')

diff --git a/src/qt/transactionrecord.cpp b/src/qt/transactionrecord.cpp
index 4b48b124d4..8a373451eb 100644
--- a/src/qt/transactionrecord.cpp
+++ b/src/qt/transactionrecord.cpp
@@ -54,90 +54,36 @@ QList<TransactionRecord> TransactionRecord::decomposeTransaction(const interface
         }
     }
 
-    if (!any_from_me) {
-        //
-        // Credit
-        //
-        for(unsigned int i = 0; i < wtx.tx->vout.size(); i++)
-        {
-            const CTxOut& txout = wtx.tx->vout[i];
-            isminetype mine = wtx.txout_is_mine[i];
-            if(mine)
-            {
-                TransactionRecord sub(hash, nTime);
-                sub.idx = i; // vout index
-                sub.credit = txout.nValue;
-                sub.involvesWatchAddress = mine & ISMINE_WATCH_ONLY;
-                if (wtx.txout_address_is_mine[i])
-                {
-                    // Received by Bitcoin Address
-                    sub.type = TransactionRecord::RecvWithAddress;
-                    sub.address = EncodeDestination(wtx.txout_address[i]);
-                }
-                else
-                {
-                    // Received by IP connection (deprecated features), or a multisignature or other non-simple transaction
-                    sub.type = TransactionRecord::RecvFromOther;
-                    sub.address = mapValue["from"];
-                }
-                if (wtx.is_coinbase)
-                {
-                    // Generated
-                    sub.type = TransactionRecord::Generated;
-                }
-
-                parts.append(sub);
-            }
-        }
-    }
-    else
-    {
-        isminetype fAllToMe = ISMINE_SPENDABLE;
+    if (fAllFromMe || !any_from_me) {
         for (const isminetype mine : wtx.txout_is_mine)
         {
             if(mine & ISMINE_WATCH_ONLY) involvesWatchAddress = true;
-            if(fAllToMe > mine) fAllToMe = mine;
         }
 
-        if (fAllFromMe && fAllToMe)
+        CAmount nTxFee = nDebit - wtx.tx->GetValueOut();
+
+        for(unsigned int i = 0; i < wtx.tx->vout.size(); i++)
         {
-            // Payment to self
-            std::string address;
-            for (auto it = wtx.txout_address.begin(); it != wtx.txout_address.end(); ++it) {
-                if (it != wtx.txout_address.begin()) address += ", ";
-                address += EncodeDestination(*it);
+            const CTxOut& txout = wtx.tx->vout[i];
+
+            if (wtx.txout_is_change[i]) {
+                continue;
             }
 
-            CAmount nChange = wtx.change;
-            parts.append(TransactionRecord(hash, nTime, TransactionRecord::SendToSelf, address, -(nDebit - nChange), nCredit - nChange));
-            parts.last().involvesWatchAddress = involvesWatchAddress;   // maybe pass to TransactionRecord as constructor argument
-        }
-        else if (fAllFromMe)
-        {
-            //
-            // Debit
-            //
-            CAmount nTxFee = nDebit - wtx.tx->GetValueOut();
+            if (fAllFromMe) {
+                //
+                // Debit
+                //
 
-            for (unsigned int nOut = 0; nOut < wtx.tx->vout.size(); nOut++)
-            {
-                const CTxOut& txout = wtx.tx->vout[nOut];
                 TransactionRecord sub(hash, nTime);
-                sub.idx = nOut;
+                sub.idx = i;
                 sub.involvesWatchAddress = involvesWatchAddress;
 
-                if(wtx.txout_is_mine[nOut])
-                {
-                    // Ignore parts sent to self, as this is usually the change
-                    // from a transaction sent back to our own address.
-                    continue;
-                }
-
-                if (!std::get_if<CNoDestination>(&wtx.txout_address[nOut]))
+                if (!std::get_if<CNoDestination>(&wtx.txout_address[i]))
                 {
                     // Sent to Bitcoin Address
                     sub.type = TransactionRecord::SendToAddress;
-                    sub.address = EncodeDestination(wtx.txout_address[nOut]);
+                    sub.address = EncodeDestination(wtx.txout_address[i]);
                 }
                 else
                 {
@@ -157,15 +103,45 @@ QList<TransactionRecord> TransactionRecord::decomposeTransaction(const interface
 
                 parts.append(sub);
             }
+
+            isminetype mine = wtx.txout_is_mine[i];
+            if(mine)
+            {
+                //
+                // Credit
+                //
+
+                TransactionRecord sub(hash, nTime);
+                sub.idx = i; // vout index
+                sub.credit = txout.nValue;
+                sub.involvesWatchAddress = mine & ISMINE_WATCH_ONLY;
+                if (wtx.txout_address_is_mine[i])
+                {
+                    // Received by Bitcoin Address
+                    sub.type = TransactionRecord::RecvWithAddress;
+                    sub.address = EncodeDestination(wtx.txout_address[i]);
+                }
+                else
+                {
+                    // Received by IP connection (deprecated features), or a multisignature or other non-simple transaction
+                    sub.type = TransactionRecord::RecvFromOther;
+                    sub.address = mapValue["from"];
+                }
+                if (wtx.is_coinbase)
+                {
+                    // Generated
+                    sub.type = TransactionRecord::Generated;
+                }
+
+                parts.append(sub);
+            }
         }
-        else
-        {
-            //
-            // Mixed debit transaction, can't break down payees
-            //
-            parts.append(TransactionRecord(hash, nTime, TransactionRecord::Other, "", nNet, 0));
-            parts.last().involvesWatchAddress = involvesWatchAddress;
-        }
+    } else {
+        //
+        // Mixed debit transaction, can't break down payees
+        //
+        parts.append(TransactionRecord(hash, nTime, TransactionRecord::Other, "", nNet, 0));
+        parts.last().involvesWatchAddress = involvesWatchAddress;
     }
 
     return parts;
-- 
cgit v1.2.3