// Invoke function
func (t *EventSender) Invoke(stub shim.ChaincodeStubInterface, 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
}