fix more clippy lints (part 1)

Signed-off-by: strawberry <strawberry@puppygock.gay>

src/database/abstraction.rs

@@ -7,12 +7,12 @@ use std::{future::Future, pin::Pin, sync::Arc};
 pub mod sqlite;
 
 #[cfg(feature = "rocksdb")]
-pub mod rocksdb;
+pub(crate) mod rocksdb;
 
 #[cfg(any(feature = "sqlite", feature = "rocksdb"))]
-pub mod watchers;
+pub(crate) mod watchers;
 
-pub trait KeyValueDatabaseEngine: Send + Sync {
+pub(crate) trait KeyValueDatabaseEngine: Send + Sync {
     fn open(config: &Config) -> Result<Self>
     where
         Self: Sized;
@@ -27,7 +27,7 @@ pub trait KeyValueDatabaseEngine: Send + Sync {
     fn clear_caches(&self) {}
 }
 
-pub trait KvTree: Send + Sync {
+pub(crate) trait KvTree: Send + Sync {
     fn get(&self, key: &[u8]) -> Result<Option<Vec<u8>>>;
 
     fn insert(&self, key: &[u8], value: &[u8]) -> Result<()>;

src/database/abstraction/rocksdb.rs

@@ -8,14 +8,14 @@ use std::{
 
 use rocksdb::LogLevel::{Debug, Error, Fatal, Info, Warn};
 
-pub struct Engine {
+pub(crate) struct Engine {
     rocks: rocksdb::DBWithThreadMode<rocksdb::MultiThreaded>,
     cache: rocksdb::Cache,
     old_cfs: Vec<String>,
     config: Config,
 }
 
-pub struct RocksDbEngineTree<'a> {
+struct RocksDbEngineTree<'a> {
     db: Arc<Engine>,
     name: &'a str,
     watchers: Watchers,

src/database/key_value/globals.rs

@@ -11,8 +11,8 @@ use ruma::{
 
 use crate::{database::KeyValueDatabase, service, services, utils, Error, Result};
 
-pub const COUNTER: &[u8] = b"c";
-pub const LAST_CHECK_FOR_UPDATES_COUNT: &[u8] = b"u";
+const COUNTER: &[u8] = b"c";
+const LAST_CHECK_FOR_UPDATES_COUNT: &[u8] = b"u";
 
 #[async_trait]
 impl service::globals::Data for KeyValueDatabase {

src/database/mod.rs

@@ -1,5 +1,5 @@
-pub mod abstraction;
-pub mod key_value;
+pub(crate) mod abstraction;
+pub(crate) mod key_value;
 
 use crate::{
     service::rooms::{edus::presence::presence_handler, timeline::PduCount},
@@ -1094,7 +1094,7 @@ impl KeyValueDatabase {
         use tokio::time::Instant;
 
         let timer_interval =
-            Duration::from_secs(services().globals.config.cleanup_second_interval as u64);
+            Duration::from_secs(u64::from(services().globals.config.cleanup_second_interval));
 
         fn perform_cleanup() {
             let start = Instant::now();