fix: enforce operator address flag

Author: tsnewnami

pkg/operator/allocations/set_allocation_delay.go

@@ -169,6 +169,11 @@ func readAndValidateAllocationDelayConfig(c *cli.Context, logger logging.Logger)
 	broadcast := c.Bool(flags.BroadcastFlag.Name)
 	operatorAddress := c.String(flags.OperatorAddressFlag.Name)
 
+	if common.IsEmptyString(operatorAddress) {
+		logger.Error("--operator-address flag must be set")
+		return nil, fmt.Errorf("Empty operator address provided")
+	}
+
 	callerAddress := c.String(flags.CallerAddressFlag.Name)
 	if common.IsEmptyString(callerAddress) {
 		logger.Infof("Caller address not provided. Using operator address (%s) as caller address", operatorAddress)