qt, refactor: add translator comments in TransactionDesc::FormatTxStatus()

Author: w0xlt

src/qt/transactiondesc.cpp

@@ -36,13 +36,20 @@ QString TransactionDesc::FormatTxStatus(const interfaces::WalletTxStatus& status
 {
     int depth = status.depth_in_main_chain;
     if (depth < 0) {
+        //: This status represents an unconfirmed transaction that conflicts with another
         return tr("conflicted with a transaction with %1 confirmations").arg(-depth);
     } else if (depth == 0) {
         const QString abandoned{status.is_abandoned ? QLatin1String(", ") + tr("abandoned") : QString()};
-        return tr("0/unconfirmed, %1").arg(inMempool ? tr("in memory pool") : tr("not in memory pool")) + abandoned;
+        return tr("0/unconfirmed, %1").arg(
+            //: This status represents an unconfirmed transaction that is in the memory pool
+            inMempool ? tr("in memory pool") :
+            //: This status represents an unconfirmed transaction that is not in the memory pool, possibly abandoned
+            tr("not in memory pool")) + abandoned;
     } else if (depth < 6) {
+        //: This status represents a transaction confirmed in at least one block, but less than 6 blocks
         return tr("%1/unconfirmed").arg(depth);
     } else {
+        //: This status represents a transaction confirmed in 6 or more blocks
         return tr("%1 confirmations").arg(depth);
     }
 }