move CodecInfo and EncodingInfo here

Signed-off-by: Dave Huseby <[email protected]>

Author: dhuseby

Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "multitrait"
-version = "0.1.1"
+version = "0.1.2"
 edition = "2021"
 authors = ["Dave Huseby <[email protected]>"]
 description = "Multiformat traits"
@@ -9,5 +9,7 @@ readme = "README.md"
 license = "Apache-2.0"
 
 [dependencies]
+multibase = "0.9"
+multicodec = { version = "0.2", git = "https://github.com/cryptidtech/rust-multicodec.git" }
 thiserror = "1.0"
 unsigned-varint = { version = "0.8", features = ["std"] }

src/codec_info.rs

@@ -0,0 +1,10 @@
+use crate::prelude::Codec;
+
+/// This trait exposes the codec information for multicoded types
+pub trait CodecInfo {
+    /// return the preferred codec associated with this object
+    fn preferred_codec() -> Codec;
+
+    /// return the actual codec associated with this object
+    fn codec(&self) -> Codec;
+}

src/encoding_info.rs

@@ -0,0 +1,10 @@
+use crate::prelude::Base;
+
+/// This trait exposes the preferred encoding for this multicodec type
+pub trait EncodingInfo {
+    /// return the preferred encoding for this multicodec type
+    fn preferred_encoding() -> Base;
+
+    /// return the actual encoding for this multicodec type
+    fn encoding(&self) -> Base;
+}

src/lib.rs

@@ -20,6 +20,10 @@ pub mod try_decode_from;
 /// one-stop shop for all exported symbols
 pub mod prelude {
     pub use super::{enc_into::*, try_decode_from::*};
+
+    /// re-exports
+    pub use multibase::Base;
+    pub use multicodec::prelude::Codec;
 }
 
 #[cfg(test)]