For a market, quote_asset:base_asset. your bot account have some quote_asset and base_asset. if quote_asset price is going up (relative to base_asset), sell some to get base_asset, otherwise buy some quote_asset using base_asset. the method is simple: put two orders in the market, and wait one is filled, after that, cancel the unfilled order, place two orders again.

1. git clone https://github.com/pluswave/node-bts-bot.git
2. cd node-bts-bot
3. npm install
4. cp apinodes.js.sample apinodes.js
5. modify apinodes.js for your need
6. create a file my_bot.js, contains:

   'use strict';
   
   var orders_bot = require('./bts-orders-bot');
   
   const account = 'you bot account with initial funds with both assets';
   const active_key_wif = 'the active private key in wif format starts with 5';
   
   const strategy = {
       base_asset_symbol: 'CNY', 
       quote_asset_symbol: 'BTS',
       price_diff: 0.1,
       ratio_diff: 0.04,
       min_ratio: 0.25,
       max_ratio: 0.75,
       price_adjust_ratio: 2
   }
   
   orders_bot.simple_bot(account, active_key_wif, strategy);
   

7. node ./my_bot.js
8. happy trading

MIT