AbstractBase.cmp

<aura:component abstract="true" extensible="true" access="global" >
	{!v.body}
</aura:component>

AbstractBaseHelper.js

({
    runServerMethod : function (component, serverMethodName, successCallBack, failureCallback, params ) {
        var self = this;
        var action = component.get(serverMethodName);
        if (params) {
            action.setParams(params);
        }
        action.setCallback( this, function (response) {
            var state = response.getState();
            if (state === "SUCCESS") {
                successCallBack.call(this,response);
            } else if (state === "INCOMPLETE") {
                // show a toast or create a callback to control this state as well.
                console.log("Failed to connect Salesforce!!");
            }else if (state === "ERROR") {
                var errors = response.getError();
                if (!errors) {
                    errors = [{"message" : "Unknown Error Occured"}];
                }
                failureCallback.call(this,errors);
            }
            
        });
        $A.enqueueAction(action);
    }
})