Callback.js

const Callback = request =>
    compose(
        map(passThrough(() => logger.debug('DID Authentication Callback Request Stored In Fauna.'))),
        flatMap(storeSuccessfulAuthentication),
        flatMap(request => eitherToAsyncEffect(encryptDID(request))),
        flatMap(validateChallenge),
        eitherToAsyncEffect,
        validateRequest,
        map(passThrough(request => logger.debug(`DID Authentication Callback Request: ${deepInspect(request)}`))),
    )(request);