v0.3.10-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: 1
+// version: 2
 
 #[test]
 fn pre_002_signature_parser_accepts_exact_sixty_four_zero_bytes() {
@@ -31,3 +31,32 @@ fn pre_002_signature_parser_rejects_text_bounds_invalid_base58_and_noncanonical_
     }
     return;
 }
+
+#[test]
+fn pre_004_embedded_signature_extracts_first_signature_from_canonical_transaction_base64() {
+    let encoded = "AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA";
+    let signature = crate::extract_raw_transaction_signature_from_binary_base64(encoded);
+    assert!(signature.is_ok());
+    if let std::result::Result::Ok(signature) = signature {
+        assert_eq!(signature.as_bytes(), &[0_u8; 64]);
+    }
+    return;
+}
+
+#[test]
+fn pre_004_embedded_signature_rejects_invalid_base64_noncanonical_short_vec_and_truncation() {
+    for encoded in [
+        "not-base64",
+        "gQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==",
+        "AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA==",
+        "AQAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAA=",
+    ] {
+        let result = crate::extract_raw_transaction_signature_from_binary_base64(encoded);
+        assert!(result.is_err());
+        if let std::result::Result::Err(error) = result {
+            assert_eq!(error.code(), crate::ERROR_CODE_RAW_TRANSACTION_SIGNATURE_INVALID);
+            assert!(!error.to_string().contains(encoded));
+        }
+    }
+    return;
+}