Add some core modules and new features

Cargo.toml

@@ -9,9 +9,14 @@ members = [
     "crates/accumulator",
     "crates/vlc",
     "crates/cops",
+    "crates/vrf",
+    "crates/crypto",
+    "crates/enclaves",
+    "crates/types",
     "demos/test_conflict",
-    "demos/coll-tx",
-    "demos/vlc-dag"
+    "demos/coll_tx",
+    "demos/vlc_dag",
+    "demos/tee_vlc",
 ]
 
 [profile.release]
@@ -37,4 +42,3 @@ tokio-util = "0.7.10"
 [lib]
 name = "chronos"
 path = "src/lib.rs"
-

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2024 hetu
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

crates/README.md

@@ -20,3 +20,16 @@ The crates folder of Chronos includes core functional code crates and utility li
 - The data store maintains a set of key-value pairs. 
 - It provides causal consistency to clients.
 
+## [enclaves](./enclaves/)
+
+- This module provides some common utilities of TEE (Trusted Execution Environment) Enclaves. 
+- For examples: AWS nitro enclave, Mircosoft Azure, Intel SGX, etc.
+
+## [crypto](./crypto/)
+
+- Some common crypto utilities, signatures, verify, and hash functions for elliptic curve.
+
+## [vrf](./vrf/)
+
+- This module contains implementations of a [verifiable random function](https://en.wikipedia.org/wiki/Verifiable_random_function), currently only ECVRF. 
+- VRFs can be used in the consensus protocol for leader election.

crates/crypto/Cargo.toml

@@ -0,0 +1,21 @@
+[package]
+name = "crypto"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+derive_more = "0.99.17"
+derive-where = "1.2.7"
+bincode = "1.3.3"
+serde = { version = "1.0.195", features = ["derive"] }
+schnorrkel = { version = "0.11.4", features = ["serde"] }
+secp256k1 = { version = "0.29.0", features = ["rand-std", "serde", "recovery"] }
+nix = { version = "0.28.0", features = ["socket", "sched", "resource"] }
+serde_json = "1.0.114"
+sha2 = "0.10.8"
+sha3 = "0.10.1"
+hex = "0.4.3"
+blake2 = "0.10.6"
+rand = "0.8.5"
+primitive-types = { version = "0.12.2", features = ["serde"] }
+anyhow = { version = "1.0.79", features = ["backtrace"] }