switch to single subtrie crate dep (#1)

Maintain a single 'subtrie' crate.

.github/workflows/rust.yml

@@ -16,7 +16,7 @@ jobs:
 
     steps:
       - name: Checkout Sources
-        uses: actions/checkout@v3
+        uses: actions/checkout@v4
 
       - name: Install Rust Toolchain
         uses: actions-rs/toolchain@v1
@@ -37,29 +37,23 @@ jobs:
           command: test
           args: --workspace
 
-      - name: Check trie-db Without Std
+      - name: Check subtrie Without Std
         uses: actions-rs/cargo@v1
         with:
           command: check
-          args: --manifest-path trie-db/Cargo.toml --no-default-features
+          args: --manifest-path subtrie/Cargo.toml --no-default-features
 
-      - name: Check memory-db Without Std
+      - name: Check subtrie-test With bench
         uses: actions-rs/cargo@v1
         with:
           command: check
-          args: --manifest-path memory-db/Cargo.toml --no-default-features
-
-      - name: Check trie-root Without Std
-        uses: actions-rs/cargo@v1
-        with:
-          command: check
-          args: --manifest-path trie-root/Cargo.toml --no-default-features
+          args: --manifest-path test/Cargo.toml --benches
 
   fmt:
     name: Rustfmt
     runs-on: ubuntu-latest
     steps:
-      - uses: actions/checkout@v3
+      - uses: actions/checkout@v4
       - uses: actions-rs/toolchain@v1
         with:
           profile: minimal

Cargo.toml

@@ -1,16 +1,7 @@
 [workspace]
 members = [
-	"hash-db",
-	"memory-db",
 	"hash256-std-hasher",
-	"test-support/keccak-hasher",
-	"test-support/reference-trie",
-	"test-support/trie-standardmap",
-	"test-support/trie-bench",
-	"trie-db",
-	"trie-db/test",
-	"trie-eip1186",
-	"trie-eip1186/test",
-	"trie-root",
-	"trie-root/test"
+	"subtrie",
+	"test",
+	"reference-trie",
 ]

README.md

@@ -4,40 +4,11 @@
 A generic implementation of the Base-16 Modified Merkle Tree ("Trie") data structure,
 provided under the Apache2 license.
 
-The implementation comes in two formats:
-
-- Trie DB (`trie-db` crate) which can be combined with a backend database to provide
-   a persistent trie structure whose contents can be modified and whose root hash
-   is recalculated efficiently.
-- Trie Root (`trie-root` crate) which provides a closed-form function that accepts a
-   enumeration of keys and values and provides a root calculated entirely in-memory and
-   closed form.
-
 Trie Hash alone is able to be used in `no_std` builds by disabling its (default)
 `std` feature.
+Implementation is in `subtrie` crate.
 
-In addition to these, several support crates are provided:
-
-- `hash-db` crate, used to provide `Hasher` (trait for all things that
-   can make cryptographic hashes) and `HashDB` (trait for databases that can have byte
-   slices pushed into them and allow for them to be retrieved based on their hash).
-   Suitable for `no_std`, though in this case will only provide `Hasher`.
-- `memory-db` crate, contains `MemoryDB`, an implementation of a `HashDB` using only
-   in in-memory map.
-- `hash256-std-hasher` crate, an implementation of a `std::hash::Hasher` for 32-byte
-   keys that have already been hashed. Useful to build the backing `HashMap` for `MemoryDB`.
-
-There are also three crates used only for testing:
-
-- `keccak-hasher` crate, an implementation of `Hasher` based on the Keccak-256 algorithm.
-- `reference-trie` crate, an implementation of a simple trie format; this provides both
-   a `NodeCodec` and `TrieStream` implementation making it suitable for both Trie DB and
-   Trie Root.
-- `trie-standardmap` crate, a key/value generation tool for creating large test datasets
-   to specific qualities.
-- `trie-bench` crate, a comprehensive standard benchmarking tool for trie format
-   implementations. Works using the `criterion` project so benchmarking can be done with
-   the stable rustc branch.
+Testing in  `reference-trie` crate and `trie-db-test`.
 
 In the spirit of all things Rust, this aims to be reliable, secure, and high performance.
 

hash256-std-hasher/Cargo.toml

@@ -16,7 +16,7 @@ harness = false
 crunchy = "0.2.1"
 
 [dev-dependencies]
-criterion = "0.4.0"
+criterion = "0.5.1"
 
 [features]
 default = ["std"]