Initialize persister module

Cargo.toml

@@ -11,7 +11,8 @@ members = [
 exclude = [
     "sphinx-key",
     "crypter",
-    "crypter-ffi"
+    "crypter-ffi",
+    "persister",
 ]
 
 [patch.crates-io]

persister/Cargo.toml

@@ -0,0 +1,14 @@
+[package]
+name = "sphinx-key-persister"
+version = "0.1.0"
+edition = "2021"
+
+# See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
+
+[dependencies]
+lightning-signer-core = { git = "https://gitlab.com/Evanfeenstra/validating-lightning-signer", branch = "partial-std", default-features = false, features = ["std", "secp-lowmemory"] }
+lightning-signer-server = { git = "https://gitlab.com/Evanfeenstra/validating-lightning-signer", branch = "partial-std", default-features = false, features = ["persist"] }
+serde = { version = "1.0.105" }
+postcard = "1.0.0"
+hex = "0.4.3"
+anyhow = { version = "1.0.58", features = ["backtrace"] }

persister/src/lib.rs

@@ -0,0 +1,14 @@
+pub fn add(left: usize, right: usize) -> usize {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}

sphinx-key/Cargo.toml

@@ -22,6 +22,7 @@ pingpong = []
 esp-idf-sys = { version = "0.31.5", features = ["binstart"] }
 sphinx-key-signer = { path = "../signer", optional = true }
 sphinx-key-crypter = { path = "../crypter" }
+sphinx-key-persister = { path = "../persister" }
 embedded-svc = { version = "0.21.2" }
 esp-idf-svc = "0.41"
 esp-idf-hal = "0.37"