chore: use safe_value_fallback to get currency rate

xmatthias · xmatthias · commit 7b1ea81a275d · 2024-12-21T15:06:04.000+01:00
diff --git a/freqtrade/exchange/exchange.py b/freqtrade/exchange/exchange.py
@@ -1903,7 +1903,7 @@ def get_conversion_rate(self, coin: str, currency: str) -> float | None:
                     )
                     ticker = tickers_other.get(pair, None)
                 if ticker:
-                    rate: float | None = ticker.get("last", None)
+                    rate: float | None = safe_value_fallback2(ticker, ticker, "last", "ask", None)
                     if rate and pair.startswith(currency) and not pair.endswith(currency):
                         rate = 1.0 / rate
                     return rate

Original file line number	Diff line number	Diff line change
`@@ -1903,7 +1903,7 @@ def get_conversion_rate(self, coin: str, currency: str) -> float \| None:`
`1903`	`1903`	`)`
`1904`	`1904`	`ticker = tickers_other.get(pair, None)`
`1905`	`1905`	`if ticker:`
`1906`		`- rate: float \| None = ticker.get("last", None)`
	`1906`	`+ rate: float \| None = safe_value_fallback2(ticker, ticker, "last", "ask", None)`
`1907`	`1907`	`if rate and pair.startswith(currency) and not pair.endswith(currency):`
`1908`	`1908`	`rate = 1.0 / rate`
`1909`	`1909`	`return rate`