Make stake_amount + stake_currency mandatory for backtesting

freqtrade/configuration/config_validation.py

@@ -47,6 +47,8 @@ def validate_config_schema(conf: Dict[str, Any]) -> Dict[str, Any]:
     conf_schema = deepcopy(constants.CONF_SCHEMA)
     if conf.get('runmode', RunMode.OTHER) in (RunMode.DRY_RUN, RunMode.LIVE):
         conf_schema['required'] = constants.SCHEMA_TRADE_REQUIRED
+    elif conf.get('runmode', RunMode.OTHER) in (RunMode.BACKTEST, RunMode.HYPEROPT):
+        conf_schema['required'] = constants.SCHEMA_BACKTEST_REQUIRED
     else:
         conf_schema['required'] = constants.SCHEMA_MINIMAL_REQUIRED
     try:

freqtrade/constants.py

@@ -378,6 +378,16 @@ SCHEMA_TRADE_REQUIRED = [
     'dataformat_trades',
 ]
 
+SCHEMA_BACKTEST_REQUIRED = [
+    'exchange',
+    'max_open_trades',
+    'stake_currency',
+    'stake_amount',
+    'dry_run_wallet',
+    'dataformat_ohlcv',
+    'dataformat_trades',
+]
+
 SCHEMA_MINIMAL_REQUIRED = [
     'exchange',
     'dry_run',