Reset all aggregation field so we don't double on reconfirmations

ops/aggregator.go

@@ -2,6 +2,7 @@ package ops
 
 import (
 	"github.com/kcotugno/tacitus"
+	"github.com/shopspring/decimal"
 
 	"sync"
 	"time"
@@ -67,6 +68,10 @@ func (a *Aggregator) aggregate(product string, end time.Time, interval time.Dura
 	agg.Interval = int(interval.Seconds())
 	agg.Product = product
 	agg.Timestamp = end
+	agg.BuyVolume = decimal.Zero
+	agg.SellVolume = decimal.Zero
+	agg.BuyTransactions = 0
+	agg.SellTransactions = 0
 
 	for _, t := range trades {
 		agg.Price = t.Price