v0.1.0

2021-06-28 23:15:13 -04:00
parent 0061a3d920
commit f4a8db56ff
93 changed files with 2422 additions and 0 deletions
--- a/backend/python/coingecko.py
+++ b/backend/python/coingecko.py
@ -0,0 +1,90 @@
+import argparse
+import httpx
+import json
+import datetime
+
+
+class CoinGecko:
+    def __init__(self, base_url: str = None):
+        if base_url is None:
+            base_url = 'https://api.coingecko.com/api/v3'
+        self.base_url = base_url
+
+    def __build_url(self, sub_url: str, query: str = ''):
+        sub = sub_url
+        if query != '':
+            sub = '?'.join([
+                sub,
+                query
+            ])
+        url = '/'.join([
+            self.base_url,
+            sub
+        ])
+        return url
+
+    def __get(self, url: str):
+        resp = httpx.get(url)
+        if resp.status_code != httpx.codes.OK:
+            raise Exception(resp.reason_phrase)
+        return json.loads(resp.text)
+
+    def list(self):
+        url = self.__build_url('coins/list')
+        return self.__get(url)
+
+    def get(self, ids: tuple, currencies: tuple, last_updated: bool = True):
+        sub = 'simple/price'
+        query = '&'.join([
+                    '='.join(['ids', ','.join(ids)]),
+                    '='.join(['vs_currencies', ','.join(currencies)]),
+                    '='.join(['include_last_updated_at', 'true' if last_updated else 'false'])
+                ])
+        url = self.__build_url(sub, query)
+        res = self.__get(url)
+        for k, d in res.items():
+            res[k]['last_updated_at'] = datetime.datetime.fromtimestamp(d['last_updated_at'])\
+                .strftime('%Y-%m-%d %H:%M:%S.%f%z')
+        return res
+
+    def historical(self, id_: str, currency: str, from_: str, to: str):
+        sub = '/'.join([
+            'coins',
+            id_,
+            'market_chart',
+            'range'
+        ])
+        query = '&'.join([
+            '='.join(['vs_currency', currency]),
+            '='.join(['from', from_]),
+            '='.join(['to', to])
+        ])
+        url = self.__build_url(sub, query)
+        res = self.__get(url)
+        return res
+
+
+if __name__ == '__main__':
+    parser = argparse.ArgumentParser()
+    parser.add_argument('-u', '--url')
+    parser.add_argument('-i', '--ids', type=str)
+    parser.add_argument('-c', '--currencies', type=str)
+    hist = parser.add_subparsers()
+    hparser = hist.add_parser('hist')
+    hparser.add_argument('-hi', '--historical', action='store_true')
+    hparser.add_argument('-f', '--from_')
+    hparser.add_argument('-t', '--to')
+    args = parser.parse_args()
+    cg = CoinGecko(args.url)
+    _ids = tuple(args.ids.split(','))
+    _currencies = tuple(args.currencies.split(','))
+    if 'historical' in args and args.historical:
+        from_ = args.from_
+        if '-' in from_:
+            from_ = str(datetime.datetime.fromisoformat(from_).timestamp())
+        to = args.to
+        if '-' in to:
+            to = str(datetime.datetime.fromisoformat(to).timestamp())
+        print(cg.historical(id_=_ids[0], currency=_currencies[0], from_=from_, to=to))
+        exit()
+    print(cg.get(ids=_ids, currencies=_currencies))