Allow duplicate-Symbol entries in portfolio again (#222)

* Revert PR 138 - no longer needed since PR 219 and prevents duplicate-symbol portfolio
* Rather than creating a PortfolioEntry for EVERY coin, and throwing 99% of them away, just create the PE for our actual portfolio.

cointop/portfolio.go

@@ -556,25 +556,13 @@ func (ct *Cointop) GetPortfolioSlice() []*Coin {
 		return sliced
 	}
 
-OUTER:
-	for i := range ct.State.allCoins {
-		coin := ct.State.allCoins[i]
-		p, isNew := ct.PortfolioEntry(coin)
-		if isNew {
+	for _, p := range ct.State.portfolio.Entries {
+		coinIfc, _ := ct.State.allCoinsSlugMap.Load(p.Coin)
+		coin, ok := coinIfc.(*Coin)
+		if !ok {
+			log.Errorf("Could not find coin %s", p.Coin)
 			continue
 		}
-		// check not already found
-		updateSlice := -1
-		for j := range sliced {
-			if coin.Symbol == sliced[j].Symbol {
-				if coin.Rank >= sliced[j].Rank {
-					continue OUTER // skip updates from lower-ranked coins
-				}
-				updateSlice = j // update this later
-				break
-			}
-		}
-
 		coin.Holdings = p.Holdings
 		balance := coin.Price * p.Holdings
 		balancestr := fmt.Sprintf("%.2f", balance)
@@ -583,12 +571,7 @@ OUTER:
 		}
 		balance, _ = strconv.ParseFloat(balancestr, 64)
 		coin.Balance = balance
-		if updateSlice == -1 {
-			sliced = append(sliced, coin)
-		} else {
-			sliced[updateSlice] = coin
-		}
-
+		sliced = append(sliced, coin)
 	}
 
 	sort.Slice(sliced, func(i, j int) bool {