ethereum.forks.homestead.utils.hexadecimalethereum.forks.dao_fork.utils.hexadecimal

Utility Functions For Hexadecimal Strings.

.. contents:: Table of Contents :backlinks: none :local:

Introduction

Hexadecimal utility functions used in this specification, specific to HomesteadHexadecimal utility functions used in this specification, specific to Dao Fork types.

hex_to_root

Convert hex string to trie root.

Parameters

hex_string : The hexadecimal string to be converted to trie root.

Returns

root : Root Trie root obtained from the given hexadecimal string.

def hex_to_root(​hex_string: str​) -> Root:
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    return Root(Bytes.fromhex(remove_hex_prefix(hex_string)))

hex_to_address

Convert hex string to Address (20 bytes).

Parameters

hex_string : The hexadecimal string to be converted to Address.

Returns

address : Address The address obtained from the given hexadecimal string.

def hex_to_address(​hex_string: str​) -> Address:
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    return Address(Bytes.fromhex(remove_hex_prefix(hex_string).rjust(40, "0")))