Place a buy order on GDAX

gdax-buy.js

// Place a buy order
function buyOrder(orderSize, currentPrice){
  const args = {
    'product_id': 'ETH-USD',
    'type': 'market',
    'side': 'buy',
    'size': orderSize
  }

  gdaxClient.buy(args)
  .then(data => {
    // Send success notification
    sendSMS("💸 Purchased "+orderSize+" ETH! The current USD price of ETH is $"+currentPrice.substr(0,6)+".");
  })
  .catch(err => {
    // Dump the entire error and send failure notification
    console.error(err);
    sendSMS("Unable to place buy order for ETH. Response from GDAX: "+err.response.statusMessage+ ", "+err.data.message);
  });
}