refresh user orders for new match note and minor improvement

Signed-off-by: Philemon Ukane <ukanephilemon@gmail.com>

client/core/helpers.go

@@ -328,15 +328,20 @@ func (ord *OrderReader) RateString() string {
 // AverageRateString returns a formatting string containing the average rate of
 // the matches that have been filled in an order.
 func (ord *OrderReader) AverageRateString() string {
-	if len(ord.Matches) == 0 {
+	nMatch := len(ord.Matches)
+	if nMatch == 0 {
 		return "0"
 	}
 	var baseQty, rateProduct uint64
 	for _, match := range ord.Matches {
 		baseQty += match.Qty
 		rateProduct += match.Rate * match.Qty // order ~ 1e16
 	}
-	return "~ " + ord.formatRate(rateProduct/baseQty)
+	rateStr := ord.formatRate(rateProduct / baseQty)
+	if nMatch > 1 {
+		rateStr = "~ " + rateStr // "~" only makes sense if the order has more than one match.
+	}
+	return rateStr
 }
 
 // SwapFeesString is a formatted string of the paid swap fees.

client/webserver/site/src/js/markets.ts

@@ -1484,9 +1484,10 @@ export default class MarketsPage extends BasePage {
       details.qty.textContent = header.qty.textContent = Doc.formatCoinValue(ord.qty, market.baseUnitInfo)
       let rate = ord.rate
       let ratePrefix = ''
-      if (ord.type === OrderUtil.Market && ord.matches?.length > 0) {
-        ratePrefix = '~ '
+      const nMatch = ord.matches?.length
+      if (ord.type === OrderUtil.Market && nMatch > 0) {
         rate = OrderUtil.averageRate(ord)
+        if (nMatch > 1) ratePrefix = '~ ' // ~ only makes sense if the order has more than one match
       }
       details.rate.textContent = header.rate.textContent = ratePrefix + Doc.formatRateFullPrecision(rate, market.baseUnitInfo, market.quoteUnitInfo, cfg.ratestep)
       header.baseSymbol.textContent = ord.baseSymbol.toUpperCase()
@@ -2257,7 +2258,7 @@ export default class MarketsPage extends BasePage {
 
   handleMatchNote (note: MatchNote) {
     const mord = this.metaOrders[note.orderID]
-    if (!mord) return this.refreshActiveOrders()
+    if (!mord || note.match.status === OrderUtil.NewlyMatched) return this.refreshActiveOrders()
     if (app().canAccelerateOrder(mord.ord)) Doc.show(mord.details.accelerateBttn)
     else Doc.hide(mord.details.accelerateBttn)
   }

client/webserver/site/src/js/orderutil.ts

@@ -123,8 +123,11 @@ export function settled (order: Order) {
 /* averageRateString returns a formatting string containing the average rate of
 the matches that have been filled in an order. */
 export function averageRateString (ord: Order): string {
-  if (ord.matches?.length === 0) return '0'
-  return '~ ' + Doc.formatCoinValue(app().conventionalRate(ord.baseID, ord.quoteID, averageRate(ord)))
+  const nMatch = ord.matches?.length
+  if (nMatch === 0) return '0'
+  let rateStr = Doc.formatCoinValue(app().conventionalRate(ord.baseID, ord.quoteID, averageRate(ord)))
+  if (nMatch > 1) rateStr = '~ ' + rateStr // "~" only makes sense if the order has more than one match.
+  return rateStr
 }
 
 /* averageRate returns a the average rate of the matches that have been filled