Add new api for external prices (non-tor only) bitpay

.env-sample

@@ -37,7 +37,7 @@ LND_GRPC_HOST='localhost:10009'
 REDIS_URL='redis://localhost:6379/1'
 
 # List of market price public APIs. If the currency is available in more than 1 API, will use median price.
-MARKET_PRICE_APIS = https://blockchain.info/ticker, https://api.yadio.io/exrates/BTC
+MARKET_PRICE_APIS = https://blockchain.info/ticker, https://api.yadio.io/exrates/BTC, https://bitpay.com/rates/BTC
 
 # Host e.g. robosats.com
 HOST_NAME = ''

api/tasks.py

@@ -169,6 +169,9 @@ def cache_market():
         print("SOFT LIMIT REACHED. Could not fetch current external market prices.")
         return
 
+    if not exchange_rates:
+        return
+
     results = {}
     for i in range(
         len(Currency.currency_dict.values())

api/utils.py

@@ -108,8 +108,27 @@ def get_exchange_rates(currencies):
                     except Exception:
                         yadio_rates.append(np.nan)
                 api_rates.append(yadio_rates)
-        except Exception:
-            print(f"Could not fetch BTC prices from {api_url}")
+
+            # Tor proxied requests to bitpay.com will fail. Skip if USE_TOR is enabled.
+            elif "bitpay.com" in api_url and not USE_TOR:
+                headers = {
+                    "X-Accept-Version": "2.0.0",
+                    "Content-type": "application/json",
+                }
+                bitpay_prices = session.get(api_url, headers=headers).json()
+                bitpay_prices = {
+                    item["code"]: item["rate"] for item in bitpay_prices["data"]
+                }
+                bitpay_rates = []
+                for currency in currencies:
+                    try:
+                        bitpay_rates.append(float(bitpay_prices[currency]))
+                    except Exception:
+                        bitpay_rates.append(np.nan)
+                api_rates.append(bitpay_rates)
+
+        except Exception as e:
+            print(f"Could not fetch BTC prices from {api_url}: {str(e)}")
             pass
 
     if len(api_rates) == 0: