fix: android HistoryScreen was not displaying fiat value of unconfirmed txns

gui/kivy/uix/screens.py

@@ -17,7 +17,7 @@ from kivy.lang import Builder
 from kivy.factory import Factory
 from kivy.utils import platform
 
-from electrum.util import profiler, parse_URI, format_time, InvalidPassword, NotEnoughFunds
+from electrum.util import profiler, parse_URI, format_time, InvalidPassword, NotEnoughFunds, Fiat
 from electrum import bitcoin
 from electrum.util import timestamp_to_datetime
 from electrum.paymentrequest import PR_UNPAID, PR_PAID, PR_UNKNOWN, PR_EXPIRED
@@ -131,7 +131,6 @@ class HistoryScreen(CScreen):
         status, status_str = self.app.wallet.get_tx_status(tx_hash, height, conf, timestamp)
         icon = "atlas://gui/kivy/theming/light/" + TX_ICONS[status]
         label = self.app.wallet.get_label(tx_hash) if tx_hash else _('Pruned transaction outputs')
-        date = timestamp_to_datetime(timestamp)
         ri = self.cards.get(tx_hash)
         if ri is None:
             ri = Factory.HistoryItem()
@@ -146,8 +145,11 @@ class HistoryScreen(CScreen):
             ri.is_mine = value < 0
             if value < 0: value = - value
             ri.amount = self.app.format_amount_and_units(value)
-            if self.app.fiat_unit and date:
-                ri.quote_text = self.app.fx.historical_value_str(value, date) + ' ' + self.app.fx.ccy
+            if self.app.fiat_unit:
+                fx = self.app.fx
+                fiat_value = value / Decimal(bitcoin.COIN) * self.app.wallet.price_at_timestamp(tx_hash, fx.timestamp_rate)
+                fiat_value = Fiat(fiat_value, fx.ccy)
+                ri.quote_text = str(fiat_value)
         return ri
 
     def update(self, see_all=False):

lib/wallet.py

@@ -1790,6 +1790,7 @@ class Abstract_Wallet(PrintError):
         return None
 
     def price_at_timestamp(self, txid, price_func):
+        """Returns fiat price of bitcoin at the time tx got confirmed."""
         height, conf, timestamp = self.get_tx_height(txid)
         return price_func(timestamp if timestamp else time.time())