text: 
  export const CURRENCY_MAPPING = {
    BITCOIN:  'BTC',
    BTC:      'BITCOIN',
    ETHEREUM: 'ETH',
    ETH:      'ETHEREUM'
  }
  
  export const CURRENCIES = [
    'BTC',
    'ETH'
  ]
  
  export const MARKETS = [
    'USD'
  ]
  