add ref_rule

Author: Mr-Leshiy

rust/catalyst-signed-doc-macro/src/rules/doc_ref.rs

@@ -0,0 +1,16 @@
+//! `RefRule` generation
+
+use proc_macro2::TokenStream;
+use quote::quote;
+
+/// `signed_doc.json` "ref" field JSON defintion
+#[derive(serde::Deserialize)]
+pub(crate) struct Ref {}
+
+/// Generating `RefRule` instantiation
+pub(crate) fn ref_rule(_ref_spec: &Ref) -> anyhow::Result<TokenStream> {
+    let res = quote! {
+        crate::validator::rules::RefRule::NotSpecified
+    };
+    Ok(res)
+}

rust/catalyst-signed-doc-macro/src/rules/mod.rs

@@ -1,5 +1,7 @@
 //! `catalyst_signed_documents_rules!` macro implementation
 
+pub(crate) mod doc_ref;
+
 use proc_macro2::TokenStream;
 use quote::quote;
 
@@ -10,9 +12,10 @@ pub(crate) fn catalyst_signed_documents_rules_impl() -> anyhow::Result<TokenStre
     let spec = CatalystSignedDocSpec::load_signed_doc_spec()?;
 
     let mut rules_definitions = Vec::new();
-    for (doc_name, _doc_spec) in spec.docs {
+    for (doc_name, doc_spec) in spec.docs {
         let const_type_name_ident = doc_name.ident();
 
+        let ref_rule = doc_ref::ref_rule(&doc_spec.metadata.doc_ref)?;
         // TODO: implement a proper initialization for all specific validation rules
         let rules = quote! {
             crate::validator::rules::Rules {
@@ -27,7 +30,7 @@ pub(crate) fn catalyst_signed_documents_rules_impl() -> anyhow::Result<TokenStre
                 },
                 content: crate::validator::rules::ContentRule::NotSpecified,
                 parameters: crate::validator::rules::ParametersRule::NotSpecified,
-                doc_ref: crate::validator::rules::RefRule::NotSpecified,
+                doc_ref: #ref_rule,
                 reply: crate::validator::rules::ReplyRule::NotSpecified,
                 section: crate::validator::rules::SectionRule::NotSpecified,
                 kid: crate::validator::rules::SignatureKidRule {

rust/catalyst-signed-doc-macro/src/signed_doc_spec.rs

@@ -2,7 +2,6 @@
 
 use std::collections::HashMap;
 
-use anyhow::Context;
 use proc_macro2::Ident;
 use quote::format_ident;
 
@@ -43,15 +42,24 @@ pub(crate) struct DocSpec {
     /// Document type UUID v4 value
     #[serde(rename = "type")]
     pub(crate) doc_type: String,
+
+    /// Document type metadata definitions
+    pub(crate) metadata: Metadata,
+}
+
+/// Document's metadata fields defintion
+#[derive(serde::Deserialize)]
+pub(crate) struct Metadata {
+    #[serde(rename = "ref")]
+    pub(crate) doc_ref: crate::rules::doc_ref::Ref,
 }
 
 impl CatalystSignedDocSpec {
     /// Loading a Catalyst Signed Documents spec from the `signed_doc.json`
     // #[allow(dependency_on_unit_never_type_fallback)]
     pub(crate) fn load_signed_doc_spec() -> anyhow::Result<CatalystSignedDocSpec> {
         let signed_doc_str = include_str!("../../../specs/signed_doc.json");
-        let signed_doc_spec = serde_json::from_str(signed_doc_str)
-            .context("Catalyst Signed Documents spec must be a JSON object")?;
+        let signed_doc_spec = serde_json::from_str(signed_doc_str)?;
         Ok(signed_doc_spec)
     }
 }