safe-global / safe-cli / 9667498448

import os

from binascii import Error

from typing import List

import click

import typer

from eth_account import Account

from eth_typing import ChecksumAddress

from hexbytes import HexBytes

from web3 import Web3

def check_ethereum_address(address: str) -> ChecksumAddress:

    if not Web3.is_checksum_address(address):

        raise typer.BadParameter("Invalid ethereum address")

    return ChecksumAddress(address)

class ChecksumAddressParser(click.ParamType):

    name = "ChecksumAddress"

    def convert(self, value, param, ctx):

        return ChecksumAddress(value)

def check_private_keys(private_keys: List[str]) -> List[str]:

    if private_keys is None:

    for private_key in private_keys:

        try:

            Account.from_key(os.environ.get(private_key, default=private_key))

        except (ValueError, Error):

            raise typer.BadParameter(f"{private_key} is not a valid private key")

    return private_keys

def check_hex_str(hex_str: str) -> HexBytes:

    try:

        return HexBytes(hex_str)

    except ValueError:

        raise typer.BadParameter(f"{hex_str} is not a valid hexadecimal string")

class HexBytesParser(click.ParamType):

    name = "HexBytes"

    def convert(self, value, param, ctx):

        return HexBytes(value)