cl/fork: remove dead fork version length check #18888
Open
+4
−9
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Domain was performing a length check on a slice derived from common.Bytes4 ([4]byte), so len(forkVersion) was always 4 and the error branch was unreachable. This added noise without providing any real safety
Simplified Domain to work directly with the fixed-size [4]byte fork versions (PreviousVersion / CurrentVersion) and removed the unreachable length check, keeping the external behavior and error handling otherwise unchanged