feat: add the test_vlc_net submodule to demos

Cargo.toml

@@ -12,11 +12,13 @@ members = [
     "crates/vrf",
     "crates/crypto",
     "crates/enclaves",
+    "crates/gossip",
     "crates/types",
     "demos/test_conflict",
     "demos/coll_tx",
     "demos/vlc_dag",
     "demos/tee_vlc",
+    "demos/test_vlc_net",
 ]
 
 [profile.release]

crates/README.md

@@ -25,6 +25,11 @@ The crates folder of Chronos includes core functional code crates and utility li
 - This module provides some common utilities of TEE (Trusted Execution Environment) Enclaves. 
 - For examples: AWS nitro enclave, Mircosoft Azure, Intel SGX, etc.
 
+## [gossip](./gossip/)
+
+- This module provides the Gossip network toolkit for customizing a specified parameter. 
+- It implements a basic gossip network using libp2p. It currently supports discovery via mdns and bootnodes.
+
 ## [crypto](./crypto/)
 
 - Some common crypto utilities, signatures, verify, and hash functions for elliptic curve.

crates/gossip/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "gossip"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+color-eyre = "0.6.2"
+futures = "0.3"
+libp2p = { version = "0.54.1", features = ["gossipsub", "mdns", "noise", "macros", "ping", "tcp", "tokio", "yamux"] }
+tokio = { version = "1.25.0", features = ["macros", "rt-multi-thread", "signal"] }
+tracing = "0.1"
+
+[features]
+mdns = []

crates/gossip/src/lib.rs

@@ -0,0 +1 @@
+pub mod network;