def deploy_token(
    deploy_client: JSONRPCClient,
    contract_manager: ContractManager,
    initial_amount: typing.TokenAmount,
    decimals: int,
    token_name: str,
    token_symbol: str,
) -> ContractProxy:
    token_address = deploy_contract_web3(
        contract_name=CONTRACT_HUMAN_STANDARD_TOKEN,
        deploy_client=deploy_client,
        contract_manager=contract_manager,
        constructor_arguments=(initial_amount, decimals, token_name, token_symbol),
    )

    contract_abi = contract_manager.get_contract_abi(CONTRACT_HUMAN_STANDARD_TOKEN)
    return deploy_client.new_contract_proxy(
        contract_interface=contract_abi, contract_address=token_address
    )
def _get_unique_constraints(self, table):
    """Retrieve information about existing unique constraints of the table

    This feature is needed for _recreate_table() to work properly.
    Unfortunately, it's not available in sqlalchemy 0.7.x/0.8.x.

    """

    data = table.metadata.bind.execute(
        """SELECT sql
           FROM sqlite_master
           WHERE
               type='table' AND
               name=:table_name""",
        table_name=table.name
    ).fetchone()[0]

    UNIQUE_PATTERN = "CONSTRAINT (\w+) UNIQUE \(([^\)]+)\)"
    return [
        UniqueConstraint(
            *[getattr(table.columns, c.strip(' "')) for c in cols.split(",")],
            name=name
        )
        for name, cols in re.findall(UNIQUE_PATTERN, data)
    ]