Allow to start wallet API by cashu --daemon (#243)

* Allow to start wallet API by cashu --daemon

* Provide access to wallet name via settings

* Make format

* Use flag is_eager for daemon option

* add setting api_host

---------

Co-authored-by: callebtc <93376500+callebtc@users.noreply.github.com>

cashu/wallet/cli/cli.py

@@ -20,6 +20,7 @@ from ...nostr.nostr.client.client import NostrClient
 from ...tor.tor import TorProxy
 from ...wallet.crud import get_lightning_invoices, get_reserved_proofs, get_unused_locks
 from ...wallet.wallet import Wallet as Wallet
+from ..api.api_server import start_api_server
 from ..cli.cli_helpers import get_mint_wallet, print_mint_balances, verify_mint
 from ..helpers import deserialize_token_from_string, init_wallet, receive, send
 from ..nostr import receive_nostr, send_nostr
@@ -32,6 +33,13 @@ class NaturalOrderGroup(click.Group):
         return self.commands.keys()
 
 
+def run_api_server(ctx, param, daemon):
+    if not daemon:
+        return
+    start_api_server()
+    ctx.exit()
+
+
 @click.group(cls=NaturalOrderGroup)
 @click.option(
     "--host",
@@ -43,8 +51,17 @@ class NaturalOrderGroup(click.Group):
     "--wallet",
     "-w",
     "walletname",
-    default="wallet",
-    help="Wallet name (default: wallet).",
+    default=settings.wallet_name,
+    help=f"Wallet name (default: {settings.wallet_name}).",
+)
+@click.option(
+    "--daemon",
+    "-d",
+    is_flag=True,
+    is_eager=True,
+    expose_value=False,
+    callback=run_api_server,
+    help="Start server for wallet REST API",
 )
 @click.pass_context
 def cli(ctx: Context, host: str, walletname: str):