Upstream VssStoreBuilder and VssStore to lightning-persister

Since the beginning of VSS we intended to upstream the corresponding
`KVStore` implementation to `lightning-persister`. Here, we finally do
it.

Signed-off-by: Elias Rohrer <dev@tnull.de>

Author: tnull

Cargo.toml

@@ -68,4 +68,5 @@ check-cfg = [
     "cfg(simple_close)",
     "cfg(peer_storage)",
     "cfg(tor)",
+    "cfg(vss_test)",
 ]

lightning-persister/Cargo.toml

@@ -17,11 +17,15 @@ rustdoc-args = ["--cfg", "docsrs"]
 
 [features]
 tokio = ["dep:tokio"]
+vss = ["dep:vss-client", "dep:tokio", "dep:rand", "dep:lightning-macros"]
 
 [dependencies]
 bitcoin = "0.32.2"
 lightning = { version = "0.3.0", path = "../lightning" }
+lightning-macros = { version = "0.2.0", path = "../lightning-macros", optional = true }
 tokio = { version = "1.35", optional = true, default-features = false, features = ["rt-multi-thread"] }
+vss-client = { package = "vss-client-ng", version = "0.4", optional = true }
+rand = { version = "0.9.2", default-features = false, features = ["thread_rng"], optional = true }
 
 [target.'cfg(windows)'.dependencies]
 windows-sys = { version = "0.48.0", default-features = false, features = ["Win32_Storage_FileSystem", "Win32_Foundation"] }

lightning-persister/src/lib.rs

@@ -10,6 +10,9 @@ extern crate criterion;
 
 pub mod fs_store;
 
+#[cfg(feature = "vss")]
+pub mod vss_store;
+
 mod utils;
 
 #[cfg(test)]