Utility Functions For Hexadecimal Strings
Table of Contents
Introduction
Hexadecimal utility functions used in this specification, specific to Istanbul types.
Module Contents
Functions
Convert hex string to trie root. |
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Convert hex string to bloom. |
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Convert hex string to Address (20 bytes). |
Module Details
hex_to_root
- hex_to_root(hex_string: str) → ethereum.istanbul.fork_types.Root
Convert hex string to trie root.
- Parameters
hex_string – The hexadecimal string to be converted to trie root.
- Returns
root – Trie root obtained from the given hexadecimal string.
- Return type
Root
def hex_to_root(hex_string: str) -> Root:
return Root(bytes.fromhex(remove_hex_prefix(hex_string)))
hex_to_bloom
- hex_to_bloom(hex_string: str) → ethereum.istanbul.fork_types.Bloom
Convert hex string to bloom.
- Parameters
hex_string – The hexadecimal string to be converted to bloom.
- Returns
bloom – Bloom obtained from the given hexadecimal string.
- Return type
Bloom
def hex_to_bloom(hex_string: str) -> Bloom:
return Bloom(bytes.fromhex(remove_hex_prefix(hex_string)))
hex_to_address
- hex_to_address(hex_string: str) → ethereum.istanbul.fork_types.Address
Convert hex string to Address (20 bytes).
- Parameters
hex_string – The hexadecimal string to be converted to Address.
- Returns
address – The address obtained from the given hexadecimal string.
- Return type
Address
def hex_to_address(hex_string: str) -> Address:
return Address(bytes.fromhex(remove_hex_prefix(hex_string).rjust(40, "0")))