add validator module

Author: Mr-Leshiy

rust/signed_doc/src/doc_types/mod.rs

@@ -110,7 +110,7 @@ impl TryFrom<UuidV4> for DocumentType {
             PUBLIC_VOTE_TX_V2_UUID_TYPE => Ok(DocumentType::PublicVoteTxV2),
             PRIVATE_VOTE_TX_V2_UUID_TYPE => Ok(DocumentType::PrivateVoteTxV2),
             IMMUTABLE_LEDGER_BLOCK_UUID_TYPE => Ok(DocumentType::ImmutableLedgerBlock),
-            uuid => anyhow::bail!("Unsupported document type {uuid}"),
+            _ => anyhow::bail!("Unsupported document type"),
         }
     }
 }

rust/signed_doc/src/lib.rs

@@ -7,6 +7,7 @@ pub mod error;
 mod metadata;
 mod signature;
 mod utils;
+pub mod validator;
 
 use std::{
     convert::TryFrom,

rust/signed_doc/src/validator/mod.rs

@@ -0,0 +1,59 @@
+//! Catalyst Signed Documents validation
+
+use catalyst_types::problem_report::ProblemReport;
+
+use crate::{doc_types::DocumentType, error::CatalystSignedDocError, CatalystSignedDocument};
+
+/// `CatalystSignedDocument` type based specific validation
+///
+/// # Errors
+///
+/// Returns a report of validation failures and the source error.
+pub fn validate(doc: &CatalystSignedDocument) -> Result<(), CatalystSignedDocError> {
+    let error_report = ProblemReport::new("Catalyst Signed Document Validation");
+
+    let doc_type: DocumentType = match doc.doc_type().try_into() {
+        Ok(doc_type) => doc_type,
+        Err(e) => {
+            error_report.invalid_value(
+                "document `type`",
+                &doc.doc_type().to_string(),
+                &e.to_string(),
+                "verifying document type",
+            );
+            return Err(CatalystSignedDocError::new(
+                error_report,
+                anyhow::anyhow!("Validation of the Catalyst Signed Document failed"),
+            ));
+        },
+    };
+
+    #[allow(clippy::match_same_arms)]
+    match doc_type {
+        DocumentType::ProposalDocument => {},
+        DocumentType::ProposalTemplate => {},
+        DocumentType::CommentDocument => {},
+        DocumentType::CommentTemplate => {},
+        DocumentType::ReviewDocument => {},
+        DocumentType::ReviewTemplate => {},
+        DocumentType::CategoryParametersDocument => {},
+        DocumentType::CategoryParametersTemplate => {},
+        DocumentType::CampaignParametersDocument => {},
+        DocumentType::CampaignParametersTemplate => {},
+        DocumentType::BrandParametersDocument => {},
+        DocumentType::BrandParametersTemplate => {},
+        DocumentType::ProposalActionDocument => {},
+        DocumentType::PublicVoteTxV2 => {},
+        DocumentType::PrivateVoteTxV2 => {},
+        DocumentType::ImmutableLedgerBlock => {},
+    }
+
+    if error_report.is_problematic() {
+        return Err(CatalystSignedDocError::new(
+            error_report,
+            anyhow::anyhow!("Validation of the Catalyst Signed Document failed"),
+        ));
+    }
+
+    Ok(())
+}