利益計算用取引所別スクリプト zaif

convert-profit-zaif.js

var fs = require('fs')

const
    PATH_CURRENCY = "path/to/trade_log.csv",
    PATH_TOKEN = "path/to/token_trade_log.csv"

var currencyCsv = fs.readFileSync(PATH_CURRENCY, 'utf-8'),
    tokenCsv = fs.readFileSync(PATH_TOKEN, 'utf-8')

var result = {}

function iterator(row, i) {

    var cols = row.split(','),
        pair = cols[0],
        type = cols[1],
        price = +cols[2] * cols[3],
        amount = +cols[3]

    if (!pair) return

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

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

}

currencyCsv.split('\n').slice(1).forEach(iterator)
tokenCsv.split('\n').slice(1).forEach(iterator)

console.log(result)