【Python】GMOコインAPIで仮想通貨取引の自動売買｜ビットコイン等の板情報・残高・現物信用注文の自動化方法解説

import time
from datetime import datetime
import hmac
import hashlib
import requests
import json

API_Key    = "API KEY"    # APIキーを設定
Secret_Key = "API SECRET" # シークレットキーを設定

# 通貨情報
def get_tuuka_info(symbol):
    EP   = 'https://api.coin.z.com/public/v1/ticker?symbol=' + symbol
    res  = requests.get(EP)
    return json.dumps(res.json())

# 関数実行
get_tuuka_info(symbol = "BTC")

# 出力イメージ
# '{"status": 0, "data": [
#     {"ask": "4918000", 
#      "bid": "4917520", 
#      "high": "4961000", 
#      "last": "4918000", 
#      "low": "4903200", 
#      "symbol": "BTC", 
#      "timestamp": "2022-01-15T02:22:31.543Z", 
#      "volume": "152.1537"}
#    ], "responsetime": "2022-01-15T02:22:31.926Z"}'

# 板情報
def get_ita(symbol):
    EP    = 'https://api.coin.z.com/public/v1/orderbooks?symbol=' + symbol
    res   = requests.get(EP)
    return json.dumps(res.json())

# 関数実行
get_ita(symbol="BTC")

# 出力イメージ
# '{"status": 0, "data": 
#  {"asks": [{"price": "4916336", "size": "0.757"}, 
#  {"bids": [{"price": "4916336", "size": "0.757"}, 
#  "symbol": "BTC"}, "responsetime": "2022-01-15T02:24:34.798Z"}'

# 取引履歴
def get_history(symbol):
    EP  = 'https://api.coin.z.com/public/v1/trades?symbol='+symbol+'&page=1&count=10'
    res = requests.get(EP)
    return json.dumps(response.json())

# 関数実行
get_history(symbol="BTC")

# 出力イメージ
# '{"status": 0, "data": 
#  {"asks": [{"price": "4916336", "size": "0.757"}, 
#  {"bids": [{"price": "4916336", "size": "0.757"}, 
#  "symbol": "BTC"}, "responsetime": "2022-01-15T02:24:34.798Z"}'

# 残高を取得
def get_balance(API_Key,Secret_Key):
    timestamp = '{0}000'.format(int(time.mktime(datetime.now().timetuple())))
    method    = 'GET'
    endPoint  = 'https://api.coin.z.com/private'

    path_assets = '/v1/account/assets'
    text_assets = timestamp + method + path_assets
    sign_assets = hmac.new(bytes(Secret_Key.encode('ascii')), bytes(text_assets.encode('ascii')), hashlib.sha256).hexdigest()
    headers_assets = {"API-KEY": API_Key,"API-TIMESTAMP": timestamp,"API-SIGN": sign_assets}
    res_assets = requests.get(endPoint + path_assets, headers=headers_assets).json().get("data")
    return res_assets

# 関数実行
get_balance(API_Key,Secret_Key)

# 出力イメージ
# [{'amount': '1000000',
#   'available': '1000000',
#   'conversionRate': '1',
#   'symbol': 'JPY'},
#  {'amount': '0',
#   'available': '0',
#   'conversionRate': '1000000',
#   'symbol': 'BTC'},
#  {'amount': '0',
#   'available': '0',
#   'conversionRate': '1000000',
#   'symbol': 'ETH'},

# 注文
def GMO_order(API_Key, Secret_Key, symbol, side, executionType, price, size):
    timestamp = '{0}000'.format(int(time.mktime(datetime.now().timetuple())))
    method    = 'POST'
    endPoint  = 'https://api.coin.z.com/private'
    path = '/v1/order'
    reqBody = {
        "symbol": symbol,                # 銘柄
        "side": side,                    # BUY または SELL
        "executionType": executionType,  # 注文タイプ(成行,指値)
        "price": price,                  # 価格[円]
        "size": size                     # 購入数量[BTC]
    }
    text = timestamp + method + path + json.dumps(reqBody)
    sign = hmac.new(bytes(Secret_Key.encode('ascii')), bytes(text.encode('ascii')), hashlib.sha256).hexdigest()
    headers = {
        "API-KEY": API_Key,
        "API-TIMESTAMP": timestamp,
        "API-SIGN": sign}

    res = requests.post(endPoint + path, headers=headers, data=json.dumps(reqBody))
    print (res.json())

# 注文キャンセル
def order_cancel(API_Key, Secret_Key,symbol,order_id):
    timestamp = '{0}000'.format(int(time.mktime(datetime.now().timetuple())))
    method    = 'POST'
    endPoint  = 'https://api.coin.z.com/private'
    path      = '/v1/cancelOrder'
    reqBody = {
    "orderId": order_id}
    text = timestamp + method + path + json.dumps(reqBody)
    sign = hmac.new(bytes(Secret_Key.encode('ascii')), bytes(text.encode('ascii')), hashlib.sha256).hexdigest()
    parameters = {
        "symbol": symbol,
        "page": 1,
        "count": 100
    }
    headers = {
        "API-KEY": API_Key,
        "API-TIMESTAMP": timestamp,
        "API-SIGN": sign
    }
    res = requests.post(endPoint + path, headers=headers, data=json.dumps(reqBody))

    print (json.dumps(res.json(), indent=2))#約定情報
    
#　関数実行
order_cancel(API_Key, Secret_Key,symbol="BTC",order_id="注文ID")

# 未約定の注文状況を確認
def active_orders(API_Key, Secret_Key, symbol):
    timestamp = '{0}000'.format(int(time.mktime(datetime.now().timetuple())))
    method    = 'GET'
    endPoint  = 'https://api.coin.z.com/private'
    path      = '/v1/activeOrders'
    
    text = timestamp + method + path
    sign = hmac.new(bytes(Secret_Key.encode('ascii')), bytes(text.encode('ascii')), hashlib.sha256).hexdigest()
    parameters = {"symbol": symbol,}
    headers = {
        "API-KEY": API_Key,
        "API-TIMESTAMP": timestamp,
        "API-SIGN": sign}
    res = requests.get(endPoint + path, headers=headers, params=parameters)

    print (json.dumps(res.json(), indent=2))
    
# 関数実行
active_orders(API_Key, Secret_Key, symbol="BTC")

# 出力イメージ
# {
#   "status": 0,
#   "data": {"注文一覧情報が表示される"},
#   "responsetime": "2022-01-15T02:51:44.183Z"
# }

# 約定情報
def contract(API_Key, Secret_Key,symbol):
    timestamp = '{0}000'.format(int(time.mktime(datetime.now().timetuple())))
    method    = 'GET'
    endPoint  = 'https://api.coin.z.com/private'
    path      = '/v1/latestExecutions'
    text = timestamp + method + path
    sign = hmac.new(bytes(Secret_Key.encode('ascii')), bytes(text.encode('ascii')), hashlib.sha256).hexdigest()
    parameters = {
        "symbol": symbol,
        "page": 1,
        "count": 100
    }
    headers = {
        "API-KEY": API_Key,
        "API-TIMESTAMP": timestamp,
        "API-SIGN": sign
    }
    res = requests.get(endPoint + path, headers=headers, params = parameters)

    print (json.dumps(res.json(), indent=2))
    
# 関数実行
contract(API_Key, Secret_Key,symbol="BTC")

# 出力イメージ
# {
#   "status": 0,
#   "data": {"約定した取引一覧情報が表示される"},
#   "responsetime": "2022-01-15T02:51:44.183Z"
# }