feat: global state lock, async leveldb, etc.

high level changes:
 * create `GlobalStateLock` and use it for all state locking.
 * remove other locks (except those in storage layer, still a todo)
 * add tokio `AtomicRw` and `AtomicMutex` async lock types.
 * trace (log) all lock events (TryAcquire, Acquire, Release)
 * add `RustyLevelDbAsync` async-friendly DB wrapper
 * simplify `LightState`, now just a type alias for Block
 * add enum `BlockChainState` to distinguish Archival vs Light mode
 * use twenty_first storage iterators where appropriate
 * improve some doc-comments, `cargo doc` runs without warnings
 * general cleanups and refactors
 * log timestamp of each mined block, converted to localtime

Cargo.toml

@@ -32,7 +32,6 @@ num-traits = "0"
 priority-queue = "1"
 rand = "0.8"
 ratatui = "0.23"
-rs-leveldb = "0.1.5"
 semver = "^1.0.21"
 serde = { version = "1", features = ["derive"] }
 serde_derive = "1"
@@ -87,3 +86,7 @@ opt-level = 0
 # incremental = true
 # codegen-units = 256
 # rpath = false
+
+[patch.crates-io]
+# needed for now.
+twenty-first = { git = "https://github.com/Neptune-Crypto/twenty-first.git", rev = "d4ee75bf0b1f7f0ae2b04968b15638899e6f36d4" }

src/config_models/cli_args.rs

@@ -35,7 +35,7 @@ pub struct Args {
     ///
     /// This sets the threshold for when a peer should be automatically refused.
     ///
-    /// For a list of reasons that cause bad standing, see <MISSING>.
+    /// For a list of reasons that cause bad standing, see [PeerSanctionReason](crate::models::peer::PeerSanctionReason).
     #[clap(long, default_value = "100", value_name = "VALUE")]
     pub peer_tolerance: u16,