create separate file for Freenet keys

Cargo.toml

@@ -13,3 +13,4 @@ description = "Implementation of FCPv2 freenet protocol"
 [dependencies]
 regex = "1.4.3"
 rusqlite = "0.24.2"
+serde = { version = "1.0", features = ["derive"], optional = true }

src/types/key.rs

@@ -0,0 +1,33 @@
+use super::traits::{FcpParser, FcpRequest};
+use rusqlite::types::ToSqlOutput;
+use rusqlite::{Result, ToSql, types::{FromSql, ValueRef, FromSqlResult, FromSqlError}};
+
+#[derive(Debug, PartialEq)]
+pub struct SSK {
+    pub sign_key: String,
+    pub decrypt_key: String,
+    pub settings: Option<String>,
+}
+
+impl ToSql for SSK {
+    fn to_sql(&self) -> Result<ToSqlOutput<'_>> {
+        Ok(ToSqlOutput::from(self.convert()))
+    }
+}
+
+impl FromSql for SSK{
+    fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self>{
+        match SSK::parse(value.as_str()?) {
+            Some(res) => Ok(res),
+            None => Err(FromSqlError::InvalidType)
+        }
+    }
+}
+
+#[derive(Debug, PartialEq)]
+pub struct USK {
+    pub ssk: SSK,
+    pub index: i32,
+}
+
+

src/types/mod.rs

@@ -1,39 +1,8 @@
 pub mod traits;
+mod key;
 use regex::Regex;
 use traits::*;
-
-use rusqlite::types::ToSqlOutput;
-use rusqlite::{Result, ToSql, types::{FromSql, ValueRef, FromSqlResult, FromSqlError}};
-
-#[derive(Debug, PartialEq)]
-pub struct SSK {
-    pub sign_key: String,
-    pub decrypt_key: String,
-    pub settings: Option<String>,
-}
-
-impl ToSql for SSK {
-    fn to_sql(&self) -> Result<ToSqlOutput<'_>> {
-        Ok(ToSqlOutput::from(self.convert()))
-    }
-}
-
-impl FromSql for SSK{
-    fn column_result(value: ValueRef<'_>) -> FromSqlResult<Self>{
-        match SSK::parse(value.as_str()?) {
-            Some(res) => Ok(res),
-            None => Err(FromSqlError::InvalidType)
-        }
-    }
-}
-
-#[derive(Debug, PartialEq)]
-pub struct USK {
-    pub ssk: SSK,
-    pub index: i32,
-}
-
-
+pub use key::*;
 
 #[derive(Debug, PartialEq)]
 pub struct SSKKeypair {