Function grin_api::start_rest_apis

pub fn start_rest_apis(
    addr: String, 
    chain: Arc<Chain>, 
    tx_pool: Arc<RwLock<TransactionPool>>, 
    peers: Arc<Peers>, 
    api_secret: Option<String>, 
    tls_config: Option<TLSConfig>
) -> bool

Start all server HTTP handlers. Register all of them with Router and runs the corresponding HTTP server.

Hyper currently has a bug that prevents clean shutdown. In order to avoid having references kept forever by handlers, we only pass weak references. Note that this likely means a crash if the handlers are used after a server shutdown (which should normally never happen, except during tests).