update wallet

cashu/gateway/gateway.py

@@ -93,6 +93,9 @@ async def _startup_gateway(self):
     async def melt_quote(
         self, melt_quote_request: GatewayMeltQuoteRequest
     ) -> GatewayMeltQuoteResponse:
+        if melt_quote_request.mint != settings.mint_url:
+            raise TransactionError("mint url does not match gateway mint url")
+
         request = melt_quote_request.request
         invoice = bolt11.decode(pr=request)
         amount_msat = bolt11.decode(pr=request).amount_msat

cashu/wallet/cli/cli.py

@@ -32,6 +32,7 @@
 from ...wallet.wallet import Wallet as Wallet
 from ..api.api_server import start_api_server
 from ..cli.cli_helpers import (
+    get_gateway,
     get_mint_wallet,
     get_unit_wallet,
     print_balance,
@@ -245,6 +246,7 @@ async def pay(ctx: Context, invoice: str, yes: bool, gateway: bool):
 async def pay_gateway(ctx: Context, invoice: str, yes: bool):
     _wallet: Wallet = ctx.obj["WALLET"]
     await print_balance(ctx)
+    gateway_url = get_gateway(ctx)
 
     async def mint_wallet(
         mint_url: Optional[str] = None, raise_connection_error: bool = True
@@ -254,6 +256,7 @@ async def mint_wallet(
             db=os.path.join(settings.cashu_dir, settings.wallet_name),
             name=settings.wallet_name,
         )
+        lightning_wallet.gateway = gateway_url
         await lightning_wallet.async_init(raise_connection_error=raise_connection_error)
         return lightning_wallet
 

cashu/wallet/cli/cli_helpers.py

@@ -108,6 +108,34 @@ async def get_mint_wallet(ctx: Context, force_select: bool = False):
     return mint_wallet
 
 
+def get_gateway(ctx: Context):
+    """
+    Helper function that shows all settings.wallet_gateways and asks the user to select one.
+    """
+    gateway = settings.wallet_gateways[0]
+    if len(settings.wallet_gateways) > 1:
+        print(f"You have {len(settings.wallet_gateways)} gateways:")
+        print("")
+        for i, gw in enumerate(settings.wallet_gateways):
+            print(f"Gateway {i+1}: {gw}")
+        print("")
+        gateway_nr_str = input(
+            f"Select gateway [1-{len(settings.wallet_gateways)}] or "
+            f"press enter for default '{settings.wallet_gateways[0]}': "
+        )
+        if not gateway_nr_str:  # default gateway
+            gateway = settings.wallet_gateways[0]
+        elif gateway_nr_str.isdigit() and int(gateway_nr_str) <= len(
+            settings.wallet_gateways
+        ):  # specific gateway
+            gateway = settings.wallet_gateways[int(gateway_nr_str) - 1]
+        else:
+            raise Exception("invalid input.")
+    print(f"Selected gateway: {gateway}")
+    print("")
+    return gateway
+
+
 async def print_mint_balances(wallet: Wallet, show_mints: bool = False):
     """
     Helper function that prints the balances for each mint URL that we have tokens from.