Sending keep-alive packet bitcoin

Question

I want to send a keep-alive packet in ruby on rails. I am using the following code for this:

ws = WebSocket::Client::Simple.connect 'wss://bitcoin.toshi.io/'


ws.on :message do |msg|

  rawJson = msg.data

  message_response = JSON.parse(rawJson)

end


ws.on :open do

  ws.send "{\"subscribe\":\"blocks\"}"

end


ws.on :close do |e|

  puts "WEBSOCKET HAS CLOSED #{e}"

  exit 1

end


ws.on :error do |e|

  puts "WEBSOCKET ERROR #{e}"

end

But the connect gets close. Cant keep it alive. Any solution?

Answer 1

You can use Websocket Eventmachine Client (https://github.com/imanel/websocket-eventmachine-client) gem to send hearbeat:

require 'websocket-eventmachine-client'

EM.run do

  ws = WebSocket::EventMachine::Client.connect(:uri => 'wss://bitcoin.toshi.io/')

  puts ws.comm_inactivity_timeout

  ws.onopen do

    puts "Connected"

  end

  ws.onmessage do |msg, type|

    puts "Received message: #{msg}"

  end

  ws.onclose do |code, reason|

    puts "Disconnected with status code: #{code}"

  end

  EventMachine.add_periodic_timer(15) do

    ws.send "{}"

  end

end