add(utils): protobuf template

Starting to harmonise the test vectors with a common template that
contains the minimum fields for the tests and set of vectors.

utils/add_primitive.py

@@ -39,6 +39,15 @@ def usage(code: int = 0):
     Path(root / "vectors" / f"_{primitive}").mkdir(0o755, parents=False, exist_ok=True)
     print("[OK ] Create vectors directory")
 
+    print("[...] Create .proto file", end="\r")
+    template = (
+        Path("utils/templates/new-vectors.proto")
+        .read_text()
+        .replace("PLACEHOLDER", primitive)
+    )
+    Path(root / f"vectors/{primitive}.proto").write_text(template)
+    print("[OK ] Create .proto file")
+
     # Wrappers
     print("[...] Create wrappers directory", end="\r")
     Path(root / f"resources/wrappers/{primitive}").mkdir(

utils/templates/new-vectors.proto

@@ -0,0 +1,34 @@
+syntax = "proto3";
+
+package crypto_condor;
+
+// A single PLACEHOLDER test vector.
+message PLACEHOLDERTest{
+	// The test ID, unique in its set of vectors.
+	int32 id = 1;
+	// The type of test. One of: valid, invalid, acceptable.
+	string type = 2;
+	// A comment on the test.
+	string comment = 3;
+	// Flags that categorize this test.
+	repeated string flags = 4;
+}
+
+// A set of PLACEHOLDER test vectors.
+message PLACEHOLDERVectors{
+	// The source of the test vectors.
+	string source = 1;
+	// Description of the source.
+	string source_desc = 2;
+	// The URL of the source.
+	string source_url = 3;
+	// Whether these are compliance test vectors or not.
+	bool compliance = 4;
+	// A dictionary of test flags and their description.
+    map<string, string> notes = 5;
+
+	// FIXME: some parameter that categorizes the vectors.
+    string parameter = 6;
+	// The test vectors.
+	repeated PLACEHOLDERTest tests = 7;
+}