...

crates/libcrypto/Cargo.toml

@@ -0,0 +1,16 @@
+[package]
+name = "libcrypto"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+chacha20poly1305 = "0.10"
+rand = { workspace = true }
+sha2 = { workspace = true }
+thiserror = { workspace = true }
+
+# Add this dependency for the From<CryptoError> for DBError
+libdbstorage = { path = "../libdbstorage", optional = true }
+
+[features]
+storage_compat = ["dep:libdbstorage"]

crates/libcrypto/src/lib.rs

@@ -0,0 +1,14 @@
+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}