feat: New config pow command to set the default PoW difficulty

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

src/cli/commands/config/mod.rs

@@ -0,0 +1,39 @@
+// 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>.
+
+/// `config pow` subcommand
+mod pow;
+
+use clap::Subcommand;
+
+use self::pow::PowArgs;
+use super::CliOptions;
+use crate::{cli::traits::CommandRunner, error::N34Result};
+
+
+#[derive(Subcommand, Debug)]
+pub enum ConfigSubcommands {
+    /// Sets the default PoW difficulty (0 if not specified)
+    Pow(PowArgs),
+}
+
+impl CommandRunner for ConfigSubcommands {
+    async fn run(self, options: CliOptions) -> N34Result<()> {
+        match self {
+            Self::Pow(args) => args.run(options).await,
+        }
+    }
+}

src/cli/commands/config/pow.rs

@@ -0,0 +1,37 @@
+// 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 clap::Args;
+
+use crate::{
+    cli::{CliOptions, traits::CommandRunner},
+    error::N34Result,
+};
+
+#[derive(Args, Debug)]
+pub struct PowArgs {
+    /// The new default PoW difficulty
+    difficulty: u8,
+}
+
+impl CommandRunner for PowArgs {
+    async fn run(self, mut options: CliOptions) -> N34Result<()> {
+        // FIXME: The signer is not required here
+
+        options.config.pow = Some(self.difficulty);
+        options.config.dump()
+    }
+}

src/cli/commands/issue/new.rs

@@ -126,7 +126,7 @@ impl CommandRunner for NewArgs {
             self.label,
         )?
         .dedup_tags()
-        .pow(options.pow)
+        .pow(options.pow.unwrap_or_default())
         .tags(content_details.clone().into_tags())
         // p-tag the reset of the reposotoies owners
         .tags(naddrs_iter.clone().map(|n| Tag::public_key(n.public_key)))

src/cli/commands/mod.rs

@@ -14,6 +14,8 @@
 // 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>.
 
+/// `config` subcommands
+pub mod config;
 /// `issue` subcommands
 pub mod issue;
 /// `patch` subcommands
@@ -30,6 +32,7 @@ use std::fmt;
 use clap::{ArgGroup, Args, Parser};
 use nostr::key::{Keys, PublicKey, SecretKey};
 
+use self::config::ConfigSubcommands;
 use self::issue::IssueSubcommands;
 use self::patch::PatchSubcommands;
 use self::reply::ReplyArgs;
@@ -64,8 +67,8 @@ pub struct CliOptions {
     #[arg(short, long)]
     pub relays:     Vec<RelayOrSet>,
     /// Proof of Work difficulty when creatring events
-    #[arg(long, default_value_t = 0)]
-    pub pow:        u8,
+    #[arg(long, value_name = "DIFFICULTY")]
+    pub pow:        Option<u8>,
     /// Config path [default: `$XDG_CONFIG_HOME` or `$HOME/.config`]
     #[arg(long, value_name = "PATH", default_value = DEFAULT_FALLBACK_PATH,
          hide_default_value = true, value_parser = parsers::parse_config_path
@@ -96,6 +99,11 @@ pub enum Commands {
         #[command(subcommand)]
         subcommands: PatchSubcommands,
     },
+    /// Manage configuration
+    Config {
+        #[command(subcommand)]
+        subcommands: ConfigSubcommands,
+    },
     /// Reply to issues and patches.
     Reply(ReplyArgs),
 }
@@ -111,6 +119,7 @@ impl CommandRunner for Commands {
             Self::Reply(args) => args.run(options).await,
             Self::Sets { subcommands } => subcommands.run(options).await,
             Self::Patch { subcommands } => subcommands.run(options).await,
+            Self::Config { subcommands } => subcommands.run(options).await,
         }
     }
 }
@@ -140,6 +149,8 @@ impl fmt::Debug for CliOptions {
         f.debug_struct("CliOptions")
             .field("secret_key", &self.secret_key.as_ref().map(|_| "*******"))
             .field("relays", &self.relays)
+            .field("pow", &self.pow)
+            .field("config", &self.config)
             .finish()
     }
 }

src/cli/commands/reply.rs

@@ -135,7 +135,7 @@ impl CommandRunner for ReplyArgs {
             repos.first().and_then(|r| r.relays.first()).cloned(),
         )
         .dedup_tags()
-        .pow(options.pow)
+        .pow(options.pow.unwrap_or_default())
         .tags(content_details.clone().into_tags())
         .build(user_pubk);
 

src/cli/commands/repo/announce.rs

@@ -106,7 +106,7 @@ impl CommandRunner for AnnounceArgs {
             self.force_id,
         )?
         .dedup_tags()
-        .pow(options.pow)
+        .pow(options.pow.unwrap_or_default())
         .build(user_pubk);
 
 

src/cli/config.rs

@@ -57,6 +57,9 @@ pub struct CliConfig {
     /// Groups of repositories and relays.
     #[serde(default, skip_serializing_if = "Vec::is_empty")]
     pub sets: Vec<RepoRelaySet>,
+    /// The default PoW difficulty
+    #[serde(skip_serializing_if = "Option::is_none")]
+    pub pow:  Option<u8>,
 }
 
 /// A named group of repositories and relays.

src/cli/mod.rs

@@ -73,7 +73,10 @@ impl Cli {
 }
 
 /// Processes the CLI configuration and returns it if successful.
-pub fn post_cli(cli: Cli) -> N34Result<Cli> {
-    // TODO
+pub fn post_cli(mut cli: Cli) -> N34Result<Cli> {
+    if cli.options.pow.is_none() && cli.options.config.pow.is_some() {
+        cli.options.pow = cli.options.config.pow;
+    }
+
     Ok(cli)
 }