Web3.is_address no longer requires checksummed addresses (#265)

* `Web3.is_address` no longer requires checksummed addresses * Newsfragment for #265
ethereum · Feb 21, 2024 · b57da60 · b57da60
1 parent b90d2fe
commit b57da60
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Showing 3 changed files with 3 additions and 7 deletions.
diff --git a/eth_utils/address.py b/eth_utils/address.py
@@ -59,12 +59,7 @@ def is_address(value: Any) -> bool:
     """
     Is the given string an address in any of the known formats?
     """
-    if is_hex_address(value):
-        if _is_checksum_formatted(value):
-            return is_checksum_address(value)
-        return True
-
-    if is_binary_address(value):
+    if is_hex_address(value) or is_binary_address(value):
         return True
 
     return False

diff --git a/newsfragments/265.breaking.rst b/newsfragments/265.breaking.rst
@@ -0,0 +1 @@
+`Web3.is_address` now returns True for non-checksummed addresses.
diff --git a/tests/address-utils/test_address_utils.py b/tests/address-utils/test_address_utils.py
@@ -35,8 +35,8 @@
         # checksummed - valid
         ("0x5B2063246F2191f18F2675ceDB8b28102e957458", True, True, False),
         (b"0x5B2063246F2191f18F2675ceDB8b28102e957458", False, False, False),
+        ("0x5b2063246F2191f18F2675ceDB8b28102e957458", True, True, False),
         # checksummed - invalid
-        ("0x5b2063246F2191f18F2675ceDB8b28102e957458", False, True, False),
         (b"0x5b2063246F2191f18F2675ceDB8b28102e957458", False, False, False),
         # too short - unprefixed
         ("c6d9d2cd449a754c494264e1809c50e34d64562", False, False, False),