make <Type>::new() lazyable

CHANGELOG.md

@@ -1,12 +1,18 @@
 # CHANGE LOG
 
-## v1.0.x
+## v3.x.x
 
-Simplify functions and release v1.0.0
+- Make `<Type>::new()` lazyable
+  - 'Copy On Write' style
+- Set `paritydb` as the default backend to save compilation time
+
+## v1.x.x
+
+- Simplify functions and release v1.0.0
 
 ## v0.70.x
 
-Backport the changes of the `mmdb` crate.
+- Backport the changes of the `mmdb` crate.
 
 ## v0.61.x
 

Cargo.toml

@@ -9,7 +9,7 @@ members = [
 resolver = "2"
 
 [workspace.dependencies]
-ruc = "7.0.1"
+ruc = "7.5.1"
 rand = "0.8.5"
 parking_lot = "0.12.1"
 
@@ -20,16 +20,16 @@ parity-scale-codec = "3.6.12"
 
 threadpool = "1.8.1" # used in a background cleaner
 
-parity-db = "0.4.13"
+parity-db = "0.5.0"
 rocksdb = { version = "0.22.0", default-features = false }
 
 keccak-hasher = "0.16.0"
 hash-db = "0.16.0"
 trie-db = "0.29.1"
 trie-root = "0.18.0"
 
-vsdb = { path = "wrappers", version = "2.0", default-features = false }
-vsdb_core = { path = "core", version = "2.0", default-features = false }
+vsdb = { path = "wrappers", version = "3.0", default-features = false }
+vsdb_core = { path = "core", version = "3.0", default-features = false }
 
-vsdb_trie_db = { path = "utils/trie_db", version = "2.0", default-features = false }
-vsdb_hash_db = { path = "utils/hash_db", version = "2.0", default-features = false }
+vsdb_trie_db = { path = "utils/trie_db", version = "3.0", default-features = false }
+vsdb_hash_db = { path = "utils/hash_db", version = "3.0", default-features = false }

Makefile

@@ -8,8 +8,8 @@ lint:
 	cargo check --workspace --benches
 
 lintall: lint
-	cargo clippy --workspace --no-default-features --features "parity_backend,compress,msgpack_codec"
-	cargo check --workspace --tests --no-default-features --features "parity_backend,json_codec"
+	cargo clippy --workspace --no-default-features --features "rocks_backend,compress,msgpack_codec"
+	cargo check --workspace --tests --no-default-features --features "rocks_backend,json_codec"
 
 lintmusl:
 	cargo clippy --workspace --target x86_64-unknown-linux-musl \
@@ -26,7 +26,7 @@ testall: test
 	- rm -rf ~/.vsdb /tmp/.vsdb /tmp/vsdb_testing $(VSDB_BASE_DIR)
 	cargo test --workspace --tests \
 		--no-default-features \
-		--features "parity_backend,msgpack_codec" \
+		--features "rocks_backend,msgpack_codec" \
 		-- --test-threads=1 #--nocapture
 
 testmusl:
@@ -38,13 +38,13 @@ testmusl:
 
 bench:
 	- rm -rf ~/.vsdb /tmp/.vsdb /tmp/vsdb_testing $(VSDB_BASE_DIR)
-	cargo bench --workspace --no-default-features --features "parity_backend,msgpack_codec"
+	cargo bench --workspace --no-default-features --features "rocks_backend,msgpack_codec"
 	du -sh ~/.vsdb
 	- rm -rf ~/.vsdb /tmp/.vsdb /tmp/vsdb_testing $(VSDB_BASE_DIR)
-	cargo bench --workspace --no-default-features --features "parity_backend,compress,msgpack_codec"
+	cargo bench --workspace
 	du -sh ~/.vsdb
 	- rm -rf ~/.vsdb /tmp/.vsdb /tmp/vsdb_testing $(VSDB_BASE_DIR)
-	cargo bench --workspace
+	cargo bench --workspace --no-default-features --features "rocks_backend,compress,msgpack_codec"
 	du -sh ~/.vsdb
 	- rm -rf ~/.vsdb /tmp/.vsdb /tmp/vsdb_testing $(VSDB_BASE_DIR)
 	cargo bench --workspace --features "compress"

core/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "vsdb_core"
-version = "2.0.0"
+version = "3.0.0"
 authors = ["[email protected]"]
 edition = "2021"
 description = "A std-collection-like database"
@@ -18,19 +18,19 @@ parking_lot = { workspace = true }
 
 threadpool = { workspace = true } # used in a background cleaner
 
-rocksdb = { workspace = true, optional = true }
 parity-db = { workspace = true, optional = true }
+rocksdb = { workspace = true, optional = true }
 
 [dev-dependencies]
 msgpack = { workspace = true }
 hex = "0.4.3"
 criterion = "0.5.1"
 
 [features]
-default = ["compress", "rocks_backend"]
+default = ["compress", "parity_backend"]
 
-rocks_backend = ["rocksdb"]
 parity_backend = ["parity-db"]
+rocks_backend = ["rocksdb"]
 
 compress = ["rocksdb?/zstd"]
 

core/src/basic/mapx_raw/mod.rs

@@ -33,7 +33,7 @@
 #[cfg(test)]
 mod test;
 
-use crate::common::{engines, RawKey, RawValue};
+use crate::common::{engines, PreBytes, RawKey, RawValue};
 use serde::{Deserialize, Serialize};
 use std::{borrow::Cow, ops::RangeBounds};
 
@@ -78,8 +78,8 @@ impl MapxRaw {
     }
 
     #[inline(always)]
-    pub fn gen_mut(&mut self, key: RawValue, value: RawValue) -> ValueMut {
-        self.inner.gen_mut(key, value)
+    pub fn mock_value_mut(&mut self, key: RawValue, value: RawValue) -> ValueMut {
+        self.inner.mock_value_mut(key, value)
     }
 
     #[inline(always)]
@@ -183,7 +183,7 @@ impl MapxRaw {
     }
 
     #[inline(always)]
-    pub fn as_prefix_slice(&self) -> &[u8] {
+    pub fn as_prefix_slice(&self) -> &PreBytes {
         self.inner.as_prefix_slice()
     }
 
@@ -210,7 +210,7 @@ impl<'a> Entry<'a> {
         if let Some(v) = unsafe { &mut *hdr }.get_mut(self.key) {
             v
         } else {
-            unsafe { &mut *hdr }.gen_mut(self.key.to_vec(), default.to_vec())
+            unsafe { &mut *hdr }.mock_value_mut(self.key.to_vec(), default.to_vec())
         }
     }
 
@@ -222,7 +222,7 @@ impl<'a> Entry<'a> {
         if let Some(v) = unsafe { &mut *hdr }.get_mut(self.key) {
             v
         } else {
-            unsafe { &mut *hdr }.gen_mut(self.key.to_vec(), f())
+            unsafe { &mut *hdr }.mock_value_mut(self.key.to_vec(), f())
         }
     }
 }