From a72fcfcb130865d9e24e2aac7bbb23d4ee3d6b8d Mon Sep 17 00:00:00 2001
From: Alex Barnsley <8069294+alexbarnsley@users.noreply.github.com>
Date: Fri, 11 Apr 2025 01:14:07 +0100
Subject: [PATCH 1/2] refactor: validate address method

---
 crypto/identity/address.py | 6 ++++++
 1 file changed, 6 insertions(+)

diff --git a/crypto/identity/address.py b/crypto/identity/address.py
index 5f4429f..ca0b739 100644
--- a/crypto/identity/address.py
+++ b/crypto/identity/address.py
@@ -1,5 +1,6 @@
 import hashlib
 from binascii import unhexlify
+import re
 
 from crypto.identity.private_key import PrivateKey
 
@@ -82,3 +83,8 @@ def get_checksum_address(cls, address: str) -> str:
                 chars[i + 1] = chars[i + 1].upper()
 
         return "0x" + ''.join(chars)
+
+    @classmethod
+    def validate(cls, address: str) -> bool:
+        # Simple validation to check if the address starts with 0x and is 42 characters long
+        return re.search(r'^0x[a-fA-F0-9]{40}$', address) is not None

From 09bbcd935b9794589d49c4ea59341c551310ce23 Mon Sep 17 00:00:00 2001
From: Alex Barnsley <8069294+alexbarnsley@users.noreply.github.com>
Date: Fri, 11 Apr 2025 01:14:21 +0100
Subject: [PATCH 2/2] test

---
 tests/identity/test_address.py | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tests/identity/test_address.py b/tests/identity/test_address.py
index 7e70678..e825198 100644
--- a/tests/identity/test_address.py
+++ b/tests/identity/test_address.py
@@ -13,3 +13,7 @@ def test_address_from_private_key(identity):
 def test_address_from_passphrase(identity):
     address = Address.from_passphrase(identity['passphrase'])
     assert address == identity['data']['address']
+
+def test_it_should_validate_the_address(identity):
+    assert Address.validate(identity['data']['address']) is True
+    assert Address.validate(identity['data']['address'][2:]) is False