Class: Utils

Inherits:
Object
  • Object
show all
Defined in:
lib/utils.rb

Class Method Summary collapse

Class Method Details

.get_bchbtc_price ⇒ Object 



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# File 'lib/utils.rb', line 9

def self.get_bchbtc_price
  # fetch bch/xrp price from coin market cap
  factor = rand(1...1.01)
  response = RestClient.get('https://api.coinmarketcap.com/v2/ticker/1831/?convert=BTC')
  hash = JSON.parse (response.body)
  return hash['data']['quotes']['BTC']['price'].to_f.round(4) * factor
end

.get_bchxrp_price ⇒ Object 



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# File 'lib/utils.rb', line 2

def self.get_bchxrp_price
  # fetch bch/xrp price from coin market cap
  factor = rand(1...1.01)
  response = RestClient.get('https://api.coinmarketcap.com/v2/ticker/1831/?convert=XRP')
  hash = JSON.parse (response.body)
  return hash['data']['quotes']['XRP']['price'].to_f.round(4) * factor
end

.get_eoseth_price ⇒ Object 



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# File 'lib/utils.rb', line 16

def self.get_eoseth_price
  # fetch bch/xrp price from coin market cap
  response = RestClient.get('https://api.coinmarketcap.com/v2/ticker/1765/?convert=ETH')
  hash = JSON.parse (response.body)
  return hash['data']['quotes']['ETH']['price'].to_f.round(4)
end

.kill_process(pid) ⇒ Object

Try and read the existing pid from the pid file and signal the process. Returns true for a non blocking status.



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# File 'lib/utils.rb', line 25

def self.kill_process(pid)
  opid = File.read("#{pid}.pid").strip.to_i
  Process.kill "HUP", opid
  File.delete("#{pid}.pid")
  File.delete("#{pid}.outfile")
  File.delete("#{pid}.errfile")
  puts "Stopped process #{pid}"
  true
rescue Errno::ENOENT
  $stdout.puts "#{pid} did not exist: Errno::ENOENT"
  true
rescue Errno::ESRCH
  $stdout.puts "The process #{opid} did not exist: Errno::ESRCH"
  true
rescue Errno::EPERM
  $stderr.puts "Lack of privileges to manage the process #{opid}: Errno::EPERM"
  false
rescue ::Exception => e
  $stderr.puts "While signaling the PID, unexpected #{e.class}: #{e}"
  false
end