// Invoke function func (t *EventSender) Invoke(stub *shim.ChaincodeStub, function string, args []string) ([]byte, error) { b, err := stub.GetState("noevents") if err != nil { return nil, errors.New("Failed to get state") } noevts, _ := strconv.Atoi(string(b)) tosend := "Event " + string(b) for _, s := range args { tosend = tosend + "," + s } err = stub.PutState("noevents", []byte(strconv.Itoa(noevts+1))) if err != nil { return nil, err } err = stub.SetEvent("evtsender", []byte(tosend)) if err != nil { return nil, err } return nil, nil }