feat(rtc_types): add serialization helpers: byte_formats::rkyv_format

rtc_types/Cargo.toml

@@ -17,9 +17,16 @@ teaclave_sgx = ["thiserror_sgx", "sgx_tstd"]
 [dependencies]
 sgx_types = { git = "https://github.com/apache/incubator-teaclave-sgx-sdk.git", rev = "b9d1bda", features = ["extra_traits"] }
 
+# no_std libraries
+rkyv = { version = "0.6.6", default_features = false, features = ["const_generics", "strict"] }
+
 # default
 thiserror = { version = "1.0.24", optional = true}
 
 # teaclave_sgx
 thiserror_sgx = { git = "https://github.com/mesalock-linux/thiserror-sgx.git", package = "thiserror", optional = true }
 sgx_tstd = { git = "https://github.com/apache/incubator-teaclave-sgx-sdk.git", rev = "b9d1bda", features = ["backtrace"], optional = true }
+
+[dev-dependencies]
+proptest = "1.0.0"
+proptest-derive = "0.3.0"

rtc_types/src/byte_formats/mod.rs

@@ -0,0 +1,22 @@
+//! Helpers for serializing the types in this library to various byte formats.
+//!
+//! # Naming convention
+//!
+//! Sub-modules should be named `{name}_format`, for each binary format implemented.
+//!
+//! Functions in each module use the following naming convention:
+//!
+//! > `(write|read|view)_(array|slice)`
+//!
+//! 1. Operation:
+//!
+//!    - `write` to serialize a structure to bytes
+//!    - `read` to deserialize bytes to a new Rust structure (copying data)
+//!    - `view` to deserialize bytes to a structured view (sharing data)
+//!
+//! 2. Type suffix, for the byte representation:
+//!
+//!    - `array` for working with constant-sized arrays (`[u8; ?]`)
+//!    - `slice` for working with variable-sized slices (`[u8]`)
+
+pub mod rkyv_format;