price-server

price-server

This component is responsible for computing the exchange rate of different assets from multiple data sources and make it available through HTTP endpoints.

Instructions

1. Install dependencies

npm install

2. Configure settings (see below)

# Copy sample config file
cp ./config/default-sample.js ./config/default.js

# make edits
nano ./config/default.js

3. Run server

# Price is available at `tcp://127.0.0.1:8532/latest`
npm run start

Configuration

You can find the sample configuration at: config/default-sample.js. Oracle Price Server expects your configuration file at config/default.js.

module.exports = {
  port: 8532,
  metricsPort: 8533,
  sentry: '', // sentry dsn (https://sentry.io/ - error reporting service)
  slack: {
    // for incident alarm (e.g. exchange shutdown)
    channel: '#bot-test',
    url: '',
  },
  cryptoProvider: {
    adjustTvwap: {
      symbols: [
        'LUNA/USDT',
        'BTC/USDT',
        'ETH/USDT',
      ]
    },
    huobi: {
      symbols: [
        'LUNA/USDT',
        'BTC/USDT',
        'ETH/USDT'
      ]
    },
    binance: {
      symbols: [
        'LUNA/USDT',
        'BTC/USDT',
        'ETH/USDT'
      ]
    },
    // kucoin: {
    //   symbols: [
    //     'LUNA-USDT',
    //     'BTC-USDT',
    //     'ETH-USDT'
    //   ]
    // },
    // bitfinex: {
    //   symbols: [
    //     'USDT/USD'
    //   ]
    // },
    // kraken: {
    //   symbols: [
    //     'USDT/USD'
    //   ]
    // },
  },
  fiatProvider: {
    fallbackPriority: ['exchangerate'],
    exchangerate: {
      symbols: fiatSymbols,
      interval: 60 * 1000,
      timeout: 5000,
      // https://exchangerate.host/
    }
  },
  fiatSymbols,
}

Key	Type	Description
port	number	Port number to expose the price server.
sentry	string	URL for sentry.io error reporting
slack	object	Slack webhook notification configuration
cryptoProvider	object	Configuration for cryptocurrency data provider. Current supported providers are upbit, bithumb, binance, huobi, bitfinex, and kraken.
fiatProvider	object	Configuration for fiat currency data providers. Current supported providers are currencylayer, fixer, and alphavantage.