message: add exchangeRate API
diff: @@ -30,12 +30,12 @@ const config = {
  },
  exchangeRates: {
  - 'ethbtc': 0.001,
  - 'btceth': 1000,
  + 'ethbtc': 0.07,
  + 'btceth': 14,
  'ethnoxon': 1,
  'noxoneth': 1,
  - 'btcnoxon': 1000,
  - 'noxonbtc': 0.001,
  + 'btcnoxon': 14,
  + 'noxonbtc': 0.07,
  },
  }
  