add

ccxt/static_dependencies/ethereum/abi/utils/padding.py

@@ -0,0 +1,27 @@
+from ...utils.toolz import (
+    curry,
+)
+
+
+@curry
+def zpad(value: bytes, length: int) -> bytes:
+    return value.rjust(length, b"\x00")
+
+
+zpad32 = zpad(length=32)
+
+
+@curry
+def zpad_right(value: bytes, length: int) -> bytes:
+    return value.ljust(length, b"\x00")
+
+
+zpad32_right = zpad_right(length=32)
+
+
+@curry
+def fpad(value: bytes, length: int) -> bytes:
+    return value.rjust(length, b"\xff")
+
+
+fpad32 = fpad(length=32)