Part of #17.

High-level changes

Ported DB-powered key-value pair configuration from Pong repo.
Ported endpoint manager and endpoint implementation from Ping (desktop) and Pong repos.
Implemented test utility mockInternetEndpoint() to make it easy to write endpoint-related tests, and included an example in /src/example.spec.ts.

The most interesting output from this work is the ability to get the connection params, which is to be used in #8:

  // Call this from a Fastify onReady hook.
  const endpointManager = await InternetEndpointManager.init(request.mongoose);

  // Eventually when we define the route...
  fastify.route({
    method: ['GET'],
    url: '/connection-params.der',
    async handler(req, reply): Promise<FastifyReply<any>> {
      const endpoint = await endpointManager.getActiveEndpoint(); // Probably want to decorate this in `fastify`
      return reply.type(CONTENT_TYPES.DER).send(endpoint.getConnectionParams());
    },
  });

relaycorp / awala-endpoint-internet

chore: Implement endpoint and endpoint manager #19

High-level changes