Class: Bitcoin::Gui::Connection

Inherits:
Object
  • Object
show all
Defined in:
lib/bitcoin/gui/connection.rb

Instance Method Summary collapse

Constructor Details

#initialize(host, port, gui) ⇒ Connection

Returns a new instance of Connection.



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# File 'lib/bitcoin/gui/connection.rb', line 15

def initialize host, port, gui
  @gui = gui
  @gui.node = Bitcoin::Network::CommandClient.connect(host, port, gui) do

    on_connected do
      request :info
      request :monitor, "block", "connection"
    end

    on_info do |info|
      text = "connections: #{info['connections']} | " +
        "addrs: #{info['addrs']} | uptime: #{info['uptime']}"
      gui { status_network.push 0, text }
      EM::defer { sleep(1) && request(:info) }
    end

    on_block do |block, depth|
      gui { status_store.push 0, "Blocks: #{depth}" }
    end

    on_connection do |state, data|
      if state == "connected"
        gui.conn_view.connected(data)
      elsif state == "disconnected"
        gui.conn_view.disconnected(data)
      end

      gui do
        size = 0
        v, i = conn_view.model.get_iter_first
        while v
          size += 1
          v = conn_view.model.iter_next(i.to_ptr)
        end

        p = notebook.get_nth_page(2)
        l = Gtk::Label.new("Connections (#{size})")
        notebook.set_tab_label(p, l)
      end
    end

    on_disconnected do
      if @connection_attempts == 4
        gui do
          message(:warning, "Node not available", "The bitcoin node is not running " +
            "or not reachable.\nYou can use the wallet to handle keys but you won't " +
            "be able to send/receive transactions.", [:ok])
        end
      end
      gui.status_network.push 0, "Offline"
    end
  end
end