Fix DOGE sweep insufficient funds error using subtractfeefromamount

- Use subtractfeefromamount=True parameter in sendtoaddress for DOGE sweeps
- This allows Dogecoin to automatically deduct network fee from the sweep amount
- Resolves 500 errors when trying to sweep the exact wallet balance
- Regular payment sweeps remain single-output transactions (no multi-output needed)

make_post_sell/lib/crypto_watcher/__init__.py

@@ -1094,10 +1094,16 @@ def auto_sweep_payment_doge(client, crypto_payment: CryptoPayment, dbsession=Non
         )
 
         # Send the sweep transaction
-        tx_hash = client.sendtoaddress(
-            crypto_payment.shop_sweep_to_address,
-            float(sweep_amount),
-            f"Sweep for invoice {crypto_payment.invoice.id}",
+        # Use subtractfeefromamount=True so network fee is deducted from the sweep amount
+        tx_hash = client._call(
+            "sendtoaddress",
+            [
+                crypto_payment.shop_sweep_to_address,
+                float(sweep_amount),
+                f"Sweep for invoice {crypto_payment.invoice.id}",
+                "",  # comment_to
+                True,  # subtractfeefromamount
+            ],
         )
 
         if tx_hash: