ethereum.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 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:
21 | """ |
---|---|
22 | Convert hex string to trie root. |
23 |
|
24 | Parameters |
25 | ---------- |
26 | hex_string : |
27 | The hexadecimal string to be converted to trie root. |
28 |
|
29 | Returns |
30 | ------- |
31 | root : `Root` |
32 | Trie root obtained from the given hexadecimal string. |
33 | """ |
34 | return Root(bytes.fromhex(remove_hex_prefix(hex_string))) |
hex_to_bloom
Convert hex string to bloom.
Parameters
hex_string : The hexadecimal string to be converted to bloom.
Returns
bloom : Bloom
Bloom obtained from the given hexadecimal string.
def hex_to_bloom(hex_string: str) -> Bloom:
38 | """ |
---|---|
39 | Convert hex string to bloom. |
40 |
|
41 | Parameters |
42 | ---------- |
43 | hex_string : |
44 | The hexadecimal string to be converted to bloom. |
45 |
|
46 | Returns |
47 | ------- |
48 | bloom : `Bloom` |
49 | Bloom obtained from the given hexadecimal string. |
50 | """ |
51 | return Bloom(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:
55 | """ |
---|---|
56 | Convert hex string to Address (20 bytes). |
57 |
|
58 | Parameters |
59 | ---------- |
60 | hex_string : |
61 | The hexadecimal string to be converted to Address. |
62 |
|
63 | Returns |
64 | ------- |
65 | address : `Address` |
66 | The address obtained from the given hexadecimal string. |
67 | """ |
68 | return Address(bytes.fromhex(remove_hex_prefix(hex_string).rjust(40, "0"))) |