ethereum.cancun.utils.hexadecimalethereum.prague.utils.hexadecimal
Utility Functions For Hexadecimal Strings ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
.. contents:: Table of Contents :backlinks: none :local:
Introduction
Hexadecimal utility functions used in this specification, specific to
Cancun types.Prague 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:
| 23 | """ |
|---|---|
| 24 | Convert hex string to trie root. |
| 25 | |
| 26 | Parameters |
| 27 | ---------- |
| 28 | hex_string : |
| 29 | The hexadecimal string to be converted to trie root. |
| 30 | |
| 31 | Returns |
| 32 | ------- |
| 33 | root : `Root` |
| 34 | Trie root obtained from the given hexadecimal string. |
| 35 | """ |
| 36 | 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:
| 40 | """ |
|---|---|
| 41 | Convert hex string to bloom. |
| 42 | |
| 43 | Parameters |
| 44 | ---------- |
| 45 | hex_string : |
| 46 | The hexadecimal string to be converted to bloom. |
| 47 | |
| 48 | Returns |
| 49 | ------- |
| 50 | bloom : `Bloom` |
| 51 | Bloom obtained from the given hexadecimal string. |
| 52 | """ |
| 53 | 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:
| 57 | """ |
|---|---|
| 58 | Convert hex string to Address (20 bytes). |
| 59 | |
| 60 | Parameters |
| 61 | ---------- |
| 62 | hex_string : |
| 63 | The hexadecimal string to be converted to Address. |
| 64 | |
| 65 | Returns |
| 66 | ------- |
| 67 | address : `Address` |
| 68 | The address obtained from the given hexadecimal string. |
| 69 | """ |
| 70 | return Address(Bytes.fromhex(remove_hex_prefix(hex_string).rjust(40, "0"))) |