Update EIP-7745: Fix reverse_transform

Merged by EIP-Bot.
ethereum · Sep 4, 2024 · e423033 · e423033
1 parent ca43ed7
commit e423033
Showing 1 changed file with 7 additions and 7 deletions.
diff --git a/EIPS/eip-7745.md b/EIPS/eip-7745.md
@@ -66,14 +66,14 @@ def column_transform(value_subindex, transform_hash):
 
 def reverse_transform(column_index, transform_hash):
     x = column_index
-    x = (x + 2**32 - littleEndian_to_uint32(transform_hash[0:4])) % 2**32
-    x = (x * modInverse(littleEndian_to_uint32(transform_hash[4:8])*2+1, 2**32)) % 2**32
-    x = x ^ littleEndian_to_uint32(transform_hash[8:12]
-    x = (x * modInverse(littleEndian_to_uint32(transform_hash[12:16])*2+1, 2**32)) % 2**32
-    x = (x + 2**32 - littleEndian_to_uint32(transform_hash[16:20])) % 2**32
-    x = (x * modInverse(littleEndian_to_uint32(transform_hash[20:24])*2+1, 2**32)) % 2**32
-    x = x ^ littleEndian_to_uint32(transform_hash[24:28]
     x = (x * modInverse(littleEndian_to_uint32(transform_hash[28:32])*2+1, 2**32)) % 2**32
+    x = x ^ littleEndian_to_uint32(transform_hash[24:28]
+    x = (x * modInverse(littleEndian_to_uint32(transform_hash[20:24])*2+1, 2**32)) % 2**32
+    x = (x + 2**32 - littleEndian_to_uint32(transform_hash[16:20])) % 2**32
+    x = (x * modInverse(littleEndian_to_uint32(transform_hash[12:16])*2+1, 2**32)) % 2**32
+    x = x ^ littleEndian_to_uint32(transform_hash[8:12]
+    x = (x * modInverse(littleEndian_to_uint32(transform_hash[4:8])*2+1, 2**32)) % 2**32
+    x = (x + 2**32 - littleEndian_to_uint32(transform_hash[0:4])) % 2**32
     return x
 ```