Stax Ragger tests

tests/ragger/app/response_parser.py

@@ -1,18 +1,14 @@
-class EthereumRespParser:
-    def sign(self, data: bytes):
-        assert len(data) == (1 + 32 + 32)
+def signature(data: bytes) -> tuple[bytes, bytes, bytes]:
+    assert len(data) == (1 + 32 + 32)
 
-        v = data[0:1]
-        data = data[1:]
+    v = data[0:1]
+    data = data[1:]
+    r = data[0:32]
+    data = data[32:]
+    s = data[0:32]
 
-        r = data[0:32]
-        data = data[32:]
+    return v, r, s
 
-        s = data[0:32]
-        data = data[32:]
-
-        return v, r, s
-
-    def challenge(self, data: bytes) -> int:
-        assert len(data) == 4
-        return int.from_bytes(data, "big")
+def challenge(data: bytes) -> int:
+    assert len(data) == 4
+    return int.from_bytes(data, "big")