ethereum.forks.spurious_dragon.utils.hexadecimalethereum.forks.byzantium.utils.hexadecimal

Utility Functions For Hexadecimal Strings.

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

Introduction

Hexadecimal utility functions used in this specification, specific to Spurious Dragon types.Byzantium 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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    """
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    Convert hex string to trie root.
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    Parameters
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    ----------
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    hex_string :
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        The hexadecimal string to be converted to trie root.
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    Returns
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    -------
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    root : `Root`
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        Trie root obtained from the given hexadecimal string.
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    """
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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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    """
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    Convert hex string to Address (20 bytes).
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    Parameters
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    ----------
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    hex_string :
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        The hexadecimal string to be converted to Address.
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    Returns
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    -------
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    address : `Address`
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        The address obtained from the given hexadecimal string.
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    """
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    return Address(Bytes.fromhex(remove_hex_prefix(hex_string).rjust(40, "0")))