CCXT로 빗썸 API 사용하기

npm install ccxt

npm list ccxt

python3 -m venv venv
source venv/bin/activate
python -m pip install --upgrade ccxt

python -m venv venv
.\venv\Scripts\Activate.ps1
python -m pip install --upgrade ccxt

Set-ExecutionPolicy -Scope Process -ExecutionPolicy RemoteSigned

python -m pip show ccxt

const ccxt = require('ccxt');

async function main() {
  const exchange = new ccxt.bithumb();
  const markets = await exchange.loadMarkets();

  for (const symbol of Object.keys(markets).sort()) {
    console.log(symbol);
  }
}

main().catch((error) => {
  console.error(`거래 대상 페어 조회 실패 [${error.name}]: ${error.message}`);
  process.exitCode = 1;
});

node markets.cjs

import ccxt

exchange = ccxt.bithumb()

try:
    markets = exchange.load_markets()

    for symbol in sorted(markets):
        print(symbol)

except ccxt.BaseError as error:
    raise SystemExit(f"거래 대상 페어 조회 실패 [{type(error).__name__}]: {error}")

python markets.py

const ccxt = require('ccxt');

async function main() {
  const exchange = new ccxt.bithumb();
  const ticker = await exchange.fetchTicker('BTC/KRW');

  if (ticker.last == null) {
    throw new Error('응답에 현재가가 없습니다.');
  }

  console.log(JSON.stringify({
    symbol: ticker.symbol,
    last: ticker.last,
  }, null, 2));
}

main().catch((error) => {
  console.error(`현재가 조회 실패 [${error.name}]: ${error.message}`);
  process.exitCode = 1;
});

node ticker.cjs

import json

import ccxt

exchange = ccxt.bithumb()

try:
    ticker = exchange.fetch_ticker("BTC/KRW")

    if ticker.get("last") is None:
        raise SystemExit("응답에 현재가가 없습니다.")

    print(json.dumps({
        "symbol": ticker["symbol"],
        "last": ticker["last"],
    }, ensure_ascii=False, indent=2))

except ccxt.BaseError as error:
    raise SystemExit(f"현재가 조회 실패 [{type(error).__name__}]: {error}")

python ticker.py

export BITHUMB_ACCESS_KEY='발급받은_API_Key'
export BITHUMB_SECRET_KEY='발급받은_Secret_Key'

$env:BITHUMB_ACCESS_KEY = '발급받은_API_Key'
$env:BITHUMB_SECRET_KEY = '발급받은_Secret_Key'

const ccxt = require('ccxt');

async function main() {
  const apiKey = process.env.BITHUMB_ACCESS_KEY;
  const secret = process.env.BITHUMB_SECRET_KEY;

  if (!apiKey || !secret) {
    throw new Error(
      'BITHUMB_ACCESS_KEY와 BITHUMB_SECRET_KEY 환경 변수를 설정하세요.'
    );
  }

  const exchange = new ccxt.bithumb({
    apiKey,
    secret,
  });

  const balance = await exchange.fetchBalance();
  const krw = balance.KRW;

  if (!krw) {
    console.log('응답에 KRW 잔고가 없습니다.');
    return;
  }

  console.log(JSON.stringify({
    currency: 'KRW',
    free: krw.free ?? null,
    used: krw.used ?? null,
    total: krw.total ?? null,
  }, null, 2));
}

main().catch((error) => {
  console.error(`잔고 조회 실패 [${error.name}]: ${error.message}`);
  process.exitCode = 1;
});

node balance.cjs

import json
import os

import ccxt

api_key = os.getenv("BITHUMB_ACCESS_KEY")
secret = os.getenv("BITHUMB_SECRET_KEY")

if not api_key or not secret:
    raise SystemExit(
        "BITHUMB_ACCESS_KEY와 BITHUMB_SECRET_KEY 환경 변수를 설정하세요."
    )

exchange = ccxt.bithumb({
    "apiKey": api_key,
    "secret": secret,
})

try:
    balance = exchange.fetch_balance()
    krw = balance.get("KRW")

    if krw is None:
        print("응답에 KRW 잔고가 없습니다.")
    else:
        print(json.dumps({
            "currency": "KRW",
            "free": krw.get("free"),
            "used": krw.get("used"),
            "total": krw.get("total"),
        }, ensure_ascii=False, indent=2))

except Exception as error:
    raise SystemExit(f"잔고 조회 실패 [{type(error).__name__}]: {error}")

python balance.py