Split config module into sub-modules

src/config/blockchain.rs

@@ -0,0 +1,40 @@
+use std::collections::HashMap;
+use std::path::PathBuf;
+
+use serde::Deserialize;
+
+use crate::ethereum::utils::{parse_caip2_chain_id, ChainIdError};
+
+fn default_chain_sync_step() -> u64 { 1000 }
+
+fn default_chain_reorg_max_depth() -> u64 { 10 }
+
+#[derive(Clone, Deserialize)]
+pub struct BlockchainConfig {
+    // CAIP-2 chain ID (https://github.com/ChainAgnostic/CAIPs/blob/master/CAIPs/caip-2.md)
+    pub chain_id: String,
+    // Additional information for clients
+    pub chain_info: Option<HashMap<String, String>>,
+    pub contract_address: String,
+    pub contract_dir: PathBuf,
+    pub api_url: String,
+    // Block explorer base URL (should be compatible with https://eips.ethereum.org/EIPS/eip-3091)
+    pub explorer_url: Option<String>,
+    // Instance private key
+    pub signing_key: String,
+
+    #[serde(default = "default_chain_sync_step")]
+    pub chain_sync_step: u64,
+    #[serde(default = "default_chain_reorg_max_depth")]
+    pub chain_reorg_max_depth: u64,
+}
+
+impl BlockchainConfig {
+    pub fn try_ethereum_chain_id(&self) -> Result<u32, ChainIdError> {
+        parse_caip2_chain_id(&self.chain_id)
+    }
+
+    pub fn ethereum_chain_id(&self) -> u32 {
+        self.try_ethereum_chain_id().unwrap()
+    }
+}

src/config/environment.rs

@@ -0,0 +1,29 @@
+use std::str::FromStr;
+
+use crate::errors::ConversionError;
+
+#[derive(Clone, Debug)]
+pub enum Environment {
+    Development,
+    Production,
+}
+
+impl Default for Environment {
+    #[cfg(feature = "production")]
+    fn default() -> Self { Self::Production }
+    #[cfg(not(feature = "production"))]
+    fn default() -> Self { Self::Development }
+}
+
+impl FromStr for Environment {
+    type Err = ConversionError;
+
+    fn from_str(val: &str) -> Result<Self, Self::Err> {
+        let environment = match val {
+            "development" => Environment::Development,
+            "production" => Environment::Production,
+            _ => return Err(ConversionError),
+        };
+        Ok(environment)
+    }
+}

src/config/main.rs

@@ -1,4 +1,3 @@
-use std::collections::HashMap;
 use std::os::unix::fs::MetadataExt;
 use std::path::{Path, PathBuf};
 use std::str::FromStr;
@@ -11,7 +10,6 @@ use url::Url;
 use crate::activitypub::constants::ACTOR_KEY_SUFFIX;
 use crate::activitypub::identifiers::local_instance_actor_id;
 use crate::errors::ConversionError;
-use crate::ethereum::utils::{parse_caip2_chain_id, ChainIdError};
 use crate::utils::crypto::{
     deserialize_private_key,
     generate_private_key,
@@ -20,31 +18,8 @@ use crate::utils::crypto::{
 use crate::utils::currencies::Currency;
 use crate::utils::files::{set_file_permissions, write_file};
 
-#[derive(Clone, Debug)]
-pub enum Environment {
-    Development,
-    Production,
-}
-
-impl Default for Environment {
-    #[cfg(feature = "production")]
-    fn default() -> Self { Self::Production }
-    #[cfg(not(feature = "production"))]
-    fn default() -> Self { Self::Development }
-}
-
-impl FromStr for Environment {
-    type Err = ConversionError;
-
-    fn from_str(val: &str) -> Result<Self, Self::Err> {
-        let environment = match val {
-            "development" => Environment::Development,
-            "production" => Environment::Production,
-            _ => return Err(ConversionError),
-        };
-        Ok(environment)
-    }
-}
+use super::blockchain::BlockchainConfig;
+use super::environment::Environment;
 
 struct EnvConfig {
     environment: Environment,
@@ -74,40 +49,6 @@ fn parse_env() -> EnvConfig {
     }
 }
 
-fn default_chain_sync_step() -> u64 { 1000 }
-
-fn default_chain_reorg_max_depth() -> u64 { 10 }
-
-#[derive(Clone, Deserialize)]
-pub struct BlockchainConfig {
-    // CAIP-2 chain ID (https://github.com/ChainAgnostic/CAIPs/blob/master/CAIPs/caip-2.md)
-    pub chain_id: String,
-    // Additional information for clients
-    pub chain_info: Option<HashMap<String, String>>,
-    pub contract_address: String,
-    pub contract_dir: PathBuf,
-    pub api_url: String,
-    // Block explorer base URL (should be compatible with https://eips.ethereum.org/EIPS/eip-3091)
-    pub explorer_url: Option<String>,
-    // Instance private key
-    pub signing_key: String,
-
-    #[serde(default = "default_chain_sync_step")]
-    pub chain_sync_step: u64,
-    #[serde(default = "default_chain_reorg_max_depth")]
-    pub chain_reorg_max_depth: u64,
-}
-
-impl BlockchainConfig {
-    fn try_ethereum_chain_id(&self) -> Result<u32, ChainIdError> {
-        parse_caip2_chain_id(&self.chain_id)
-    }
-
-    pub fn ethereum_chain_id(&self) -> u32 {
-        self.try_ethereum_chain_id().unwrap()
-    }
-}
-
 fn default_log_level() -> LogLevel { LogLevel::Info }
 
 fn default_login_message() -> String { "Do not sign this message on other sites!".to_string() }

src/config/mod.rs

@@ -0,0 +1,7 @@
+mod blockchain;
+mod environment;
+mod main;
+
+pub use blockchain::BlockchainConfig;
+pub use environment::Environment;
+pub use main::{parse_config, Config, Instance};

src/main.rs

@@ -10,7 +10,7 @@ use tokio::sync::Mutex;
 
 use mitra::activitypub::views as activitypub;
 use mitra::atom::views as atom;
-use mitra::config::{Environment, parse_config};
+use mitra::config::{parse_config, Environment};
 use mitra::database::{get_database_client, create_pool};
 use mitra::database::migrate::apply_migrations;
 use mitra::ethereum::contracts::get_contracts;