利益計算用取引所別スクリプト coincheck

convert-profit-coincheck.js

var fs = require('fs')

const
    PATH_SELLS = __dirname + "/../files/coincehck/buys-2017-11-30.csv",
    PATH_BUYS = __dirname + "/../files/coincehck/sells-2017-11-30.csv"

var sellsCsv = fs.readFileSync(PATH_SELLS, 'utf-8'),
    buysCsv = fs.readFileSync(PATH_BUYS, 'utf-8')

var result = {}

var iterator = function(type, row) {

    var cols = row.split(','),
        pair = (cols[3] + "_" + cols[4]).toLowerCase(),
        price = +cols[2],
        amount = +cols[1]

    if (!cols[3] || !cols[4]) return

    result[pair] = result[pair] || {
        buy_total: 0,
        buy_amount: 0,
        sell_total: 0,
        sell_amount: 0
    }

    if (type == "sell") {
        result[pair].sell_total += price
        result[pair].sell_amount += amount
    } else {
        result[pair].buy_total += price
        result[pair].buy_amount += amount
    }

}

sellsCsv.split('\n').slice(1).forEach(iterator.bind(this, 'sell'))
buysCsv.split('\n').slice(1).forEach(iterator.bind(this, 'buy'))

console.log(result)