Fixed webhook payload bug (#116)

Author: subomi

worker/producer.go

@@ -2,6 +2,7 @@ package worker
 
 import (
 	"context"
+	"encoding/json"
 	"time"
 
 	"github.com/frain-dev/convoy"
@@ -64,7 +65,12 @@ func (p *Producer) postMessages(msgRepo convoy.MessageRepository, m convoy.Messa
 			continue
 		}
 
-		bStr := string(m.Data)
+		bytes, err := json.Marshal(m.Data)
+		if err != nil {
+			log.Errorf("error occurred while parsing json")
+		}
+
+		bStr := string(bytes)
 		hmac, err := util.ComputeJSONHmac(p.signatureConfig.Hash, bStr, secret, false)
 		if err != nil {
 			log.Errorf("error occurred while generating hmac signature - %+v\n", err)
@@ -74,7 +80,7 @@ func (p *Producer) postMessages(msgRepo convoy.MessageRepository, m convoy.Messa
 		attemptStatus := convoy.FailureMessageStatus
 		start := time.Now()
 
-		resp, err := p.dispatch.SendRequest(e.TargetURL, string(convoy.HttpPost), []byte(bStr), string(p.signatureConfig.Header), hmac)
+		resp, err := p.dispatch.SendRequest(e.TargetURL, string(convoy.HttpPost), bytes, string(p.signatureConfig.Header), hmac)
 		status := "-"
 		statusCode := 0
 		if resp != nil {