v0.3.12-pre.004

crates/ksp-raw-transaction-lib/unit_tests/signature.rs

@@ -1,5 +1,5 @@
 // file: crates/ksp-raw-transaction-lib/unit_tests/signature.rs
-// version: 3
+// version: 4
 
 use base64::Engine; // rust-rules: trait-import
 
@@ -79,3 +79,19 @@ fn pre_006_embedded_signature_extracts_terminal_v1_signature_and_rejects_trailin
         assert!(crate::extract_raw_transaction_signature_from_binary_base64(trailing.as_str()).is_err());
     }
 }
+
+#[test]
+fn pre_004_base58_formatter_round_trips_canonical_signatures() {
+    for bytes in [[0_u8; 64], [1_u8; 64], [0xAB_u8; 64]] {
+        let signature = ksp_store_api::RawTransactionSignature::new(bytes);
+        let text = crate::format_raw_transaction_signature(&signature);
+        assert!((crate::MIN_RAW_TRANSACTION_SIGNATURE_TEXT_BYTES..=crate::MAX_RAW_TRANSACTION_SIGNATURE_TEXT_BYTES).contains(&text.len()));
+        let parsed = crate::parse_raw_transaction_signature(text.as_str());
+        assert!(parsed.is_ok());
+        if let std::result::Result::Ok(parsed) = parsed {
+            assert_eq!(parsed, signature);
+        }
+    }
+    assert_eq!(crate::format_raw_transaction_signature(&ksp_store_api::RawTransactionSignature::new([0_u8; 64])), "1".repeat(64));
+    return;
+}