Top Level Namespace

Defined Under Namespace

Classes: SubstrateClient

Instance Method Summary collapse

Instance Method Details

#ws_request(url, payload) ⇒ Object 



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# File 'lib/substrate_client.rb', line 12

def ws_request(url, payload)
  result = nil

  EM.run do
    ws = Faye::WebSocket::Client.new(url)

    ws.on :open do |event|
      # p [:open]
      ws.send(payload.to_json)
    end

    ws.on :message do |event|
      # p [:message, event.data]
      if event.data.include?("jsonrpc")
        result = JSON.parse event.data
        ws.close(3001, "data received")
        EM.stop
      end
    end

    ws.on :close do |event|
      # p [:close, event.code, event.reason]
      ws = nil
    end
  end

  result
end