feat: Sign using NIP-07

Signed-off-by: Awiteb <a@4rs.nl>

src/cli/commands/config/nip07.rs

@@ -0,0 +1,58 @@
+// n34 - A CLI to interact with NIP-34 and other stuff related to codes in nostr
+// Copyright (C) 2025 Awiteb <a@4rs.nl>
+//
+// This program is free software: you can redistribute it and/or modify
+// it under the terms of the GNU General Public License as published by
+// the Free Software Foundation, either version 3 of the License, or
+// (at your option) any later version.
+//
+// This program is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License
+// along with this program. If not, see <https://gnu.org/licenses/gpl-3.0.html>.
+
+use std::net::SocketAddr;
+
+use clap::{ArgGroup, Args};
+
+use crate::{
+    cli::{CliOptions, options_state::DEFAULT_NIP07_PROXY_ADDR, traits::CommandRunner},
+    error::N34Result,
+};
+
+#[derive(Args, Debug)]
+#[clap(
+    group(
+        ArgGroup::new("options")
+            .required(true)
+    )
+)]
+pub struct Nip07Args {
+    /// Enable NIP-07 as the default signer.
+    #[arg(long, group = "options")]
+    enable:  bool,
+    /// Disable NIP-07 as the default signer.
+    #[arg(long, group = "options", group = "disable_options")]
+    disable: bool,
+    /// Set the default `ip:port` for the browser signer proxy.
+    #[arg(long, group = "disable_options")]
+    addr:    Option<SocketAddr>,
+}
+
+impl CommandRunner for Nip07Args {
+    const NEED_SIGNER: bool = false;
+
+    async fn run(self, mut options: CliOptions) -> N34Result<()> {
+        if self.enable {
+            let addr = self.addr.unwrap_or(DEFAULT_NIP07_PROXY_ADDR);
+            options.config.nip07 = Some(addr)
+        } else {
+            options.config.nip07 = None
+        }
+
+        options.config.dump()
+    }
+}