diff --git a/go-client/client/client_requests.go b/go-client/client/client_requests.go
index 81534cb..9855235 100644
--- a/go-client/client/client_requests.go
+++ b/go-client/client/client_requests.go
@@ -189,6 +189,9 @@ func (client *FastUpdatesClient) submitUpdates(updateProof *sortition.UpdateProo
 		return err
 	}
 
+	logger.Info("chain feeds values in block %d (before update): %v", client.transactionQueue.CurrentBlockNum, chainValues)
+	logger.Info("provider feeds values: %v", providerValues)
+
 	// calculate deltas for provider and on-chain prices
 	deltas, deltasString, err := provider.GetDeltas(chainValues, providerValues, supportedFeedIndexes, scale)
 	if err != nil {
@@ -237,6 +240,13 @@ func (client *FastUpdatesClient) submitUpdates(updateProof *sortition.UpdateProo
 		return fmt.Errorf("transaction failed")
 	}
 	logger.Info("successful update for block %d replicate %d in block %d", updateProof.BlockNumber, updateProof.Replicate, receipt.BlockNumber.Int64())
+	
+		// get current prices from on-chain
+	chainValues, err = client.GetPrices(supportedFeedIndexes)
+	if err != nil {
+		return err
+	}
+	logger.Info("chain feeds values in block %d (after update): %v", receipt.BlockNumber.Int64(), chainValues)
 
 	return nil
 }
diff --git a/go-client/provider/feed_provider.go b/go-client/provider/feed_provider.go
index 6f961a8..3bf5ac8 100644
--- a/go-client/provider/feed_provider.go
+++ b/go-client/provider/feed_provider.go
@@ -1,7 +1,6 @@
 package provider
 
 import (
-	"fast-updates-client/logger"
 	"math"
 	"math/big"
 	"math/rand"
@@ -29,8 +28,6 @@ func GetDeltas(chainValues []float64, providerValues []float64, valueIndexToFeed
 	scaleDiff, _ := new(big.Int).Sub(scale, new(big.Int).Exp(big.NewInt(2), big.NewInt(127), nil)).Float64()
 	scaleDiff = scaleDiff / math.Pow(2, 127)
 
-	logger.Info("chain feeds values: %v, provider feeds values: %v", chainValues, providerValues)
-
 	lastFeedIndex := valueIndexToFeedIndex[len(valueIndexToFeedIndex)-1]
 	deltasList := make([]byte, lastFeedIndex+1)
 	// for index := range deltasList {
@@ -62,7 +59,6 @@ func GetDeltas(chainValues []float64, providerValues []float64, valueIndexToFeed
 	}
 
 	deltasString := string(deltasList)
-	logger.Info("deltas: %s", deltasString)
 	deltas, err := StringToDeltas(deltasString)
 
 	return deltas, deltasString, err