rpc: create `RpcSettings` and `RpcSettingsOpt`

src/rpc/mod.rs

@@ -39,3 +39,6 @@ pub mod p2p_method;
 
 /// Json helper methods and types
 pub mod util;
+
+/// JSON-RPC settings
+pub mod settings;

src/rpc/settings.rs

@@ -0,0 +1,67 @@
+/* This file is part of DarkFi (https://dark.fi)
+ *
+ * Copyright (C) 2020-2024 Dyne.org foundation
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero 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 Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+use structopt::StructOpt;
+use url::Url;
+
+#[derive(Clone)]
+pub struct RpcSettings {
+    pub listen: Url,
+    pub disabled_methods: Vec<String>,
+}
+
+impl RpcSettings {
+    pub fn is_method_disabled(&self, method: &String) -> bool {
+        self.disabled_methods.contains(method)
+    }
+    pub fn use_http(&self) -> bool {
+        self.listen.scheme().starts_with("http+")
+    }
+}
+
+impl Default for RpcSettings {
+    fn default() -> Self {
+        Self {
+            listen: Url::parse("tcp://127.0.0.1:22222").unwrap(),
+            disabled_methods: vec![],
+        }
+    }
+}
+
+// Defines the JSON-RPC settings.
+#[derive(Clone, Debug, serde::Deserialize, structopt::StructOpt, structopt_toml::StructOptToml)]
+#[structopt()]
+#[serde(rename = "rpc")]
+pub struct RpcSettingsOpt {
+    /// RPC server listen address
+    #[structopt(long, default_value = "tcp://127.0.0.1:22222")]
+    pub rpc_listen: Url,
+
+    /// Disabled JSON-RPC methods
+    #[structopt(long, use_delimiter = true)]
+    pub rpc_disabled_methods: Option<Vec<String>>,
+}
+
+impl From<RpcSettingsOpt> for RpcSettings {
+    fn from(opt: RpcSettingsOpt) -> Self {
+        Self {
+            listen: opt.rpc_listen,
+            disabled_methods: opt.rpc_disabled_methods.unwrap_or_default(),
+        }
+    }
+}