REST Client: Configurable R/W Timetout

[alexanderbez]

Summary

The REST client should take a configurable read and write timeout value (in seconds) from the CLI (e.g. rest-server --read-timeout=20 --write-timeout=20).

Those two values should then be set on the RPC server cfg:

cosmos-sdk/client/lcd/root.go

Lines 53 to 75 in 4d6480a

	// Start starts the rest server
	func (rs *RestServer) Start(listenAddr string, maxOpen int) (err error) {
	server.TrapSignal(func() {
	err := rs.listener.Close()
	rs.log.Error("error closing listener", "err", err)
	})
	cfg := rpcserver.DefaultConfig()
	cfg.MaxOpenConnections = maxOpen
	rs.listener, err = rpcserver.Listen(listenAddr, cfg)
	if err != nil {
	return
	}
	rs.log.Info(
	fmt.Sprintf(
	"Starting Gaia Lite REST service (chain-id: %q)...",
	viper.GetString(client.FlagChainID),
	),
	)
	return rpcserver.StartHTTPServer(rs.listener, rs.Mux, rs.log, cfg)
	}

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