redb setup

slasher/Cargo.toml

@@ -5,9 +5,10 @@ authors = ["Michael Sproul <michael@sigmaprime.io>"]
 edition = "2021"
 
 [features]
-default = ["lmdb"]
+default = ["redb"]
 mdbx = ["dep:mdbx"]
 lmdb = ["lmdb-rkv", "lmdb-rkv-sys"]
+redb = ["dep:redb"]
 
 [dependencies]
 bincode = "1.3.1"
@@ -35,6 +36,7 @@ strum = { version = "0.24.1", features = ["derive"] }
 mdbx = { package = "libmdbx", git = "https://github.com/sigp/libmdbx-rs", tag = "v0.1.4", optional = true }
 lmdb-rkv = { git = "https://github.com/sigp/lmdb-rs", rev = "f33845c6469b94265319aac0ed5085597862c27e", optional = true }
 lmdb-rkv-sys = { git = "https://github.com/sigp/lmdb-rs", rev = "f33845c6469b94265319aac0ed5085597862c27e", optional = true }
+redb = { git = "https://github.com/Gua00va/redb", rev = "93280c5", optional = true }
 
 [dev-dependencies]
 maplit = "1.0.2"

slasher/src/database.rs

@@ -1,6 +1,7 @@
 pub mod interface;
 mod lmdb_impl;
 mod mdbx_impl;
+mod redb_impl;
 
 use crate::{
     metrics, AttesterRecord, AttesterSlashingStatus, CompactAttesterRecord, Config, Error,

slasher/src/database/interface.rs

@@ -7,6 +7,8 @@ use std::path::PathBuf;
 use crate::database::lmdb_impl;
 #[cfg(feature = "mdbx")]
 use crate::database::mdbx_impl;
+#[cfg(feature = "redb")]
+use crate::database::redb_impl;
 
 #[derive(Debug)]
 pub enum Environment {

slasher/src/database/redb_impl.rs

@@ -0,0 +1,30 @@
+#![cfg(feature = "redb")]
+
+use std::marker::PhantomData;
+use crate::config::{Config};
+
+pub struct Builder {
+    builder: redb::Builder,
+}
+
+#[derive(Debug)]
+pub struct Database<'db> {
+    db: redb::Database,
+    _phantom: PhantomData<&'db ()>
+}
+
+pub struct WriteTransaction<'db> {
+    txn: redb::WriteTransaction<'db>,
+}
+
+pub struct Table<'db, 'txn, K: redb::RedbKey + 'static, V: redb::RedbValue + 'static> {
+    table: redb::Table<'db, 'txn, K, V>
+}
+
+impl Builder {
+    pub fn new(config: &Config) -> Builder {
+        let builder = redb::Builder::new();
+
+        Builder{ builder }
+    }
+}