def deploy_tokens_and_fund_accounts(
    token_amount: int,
    number_of_tokens: int,
    deploy_service: BlockChainService,
    participants: typing.List[typing.Address],
    contract_manager: ContractManager,
) -> typing.List[typing.TokenAddress]:
    """ Deploy `number_of_tokens` ERC20 token instances with `token_amount` minted and
    distributed among `blockchain_services`. Optionally the instances will be registered with
    the raiden registry.

    Args:
        token_amount (int): number of units that will be created per token
        number_of_tokens (int): number of token instances that will be created
        deploy_service (BlockChainService): the blockchain connection that will deploy
        participants (list(address)): participant addresses that will receive tokens
    """
    result = list()
    for _ in range(number_of_tokens):
        token_address = deploy_contract_web3(
            CONTRACT_HUMAN_STANDARD_TOKEN,
            deploy_service.client,
            contract_manager=contract_manager,
            constructor_arguments=(token_amount, 2, "raiden", "Rd"),
        )

        result.append(token_address)

        # only the creator of the token starts with a balance (deploy_service),
        # transfer from the creator to the other nodes
        for transfer_to in participants:
            deploy_service.token(token_address).transfer(
                to_address=transfer_to, amount=token_amount // len(participants)
            )

    return result
def main():
    camera = cv2.VideoCapture(0)
    img = get_image(camera)
    while True:
        cv2.imshow('calibration', img)
        cv2.waitKey(10)
        img = get_image(camera)
        gray = make_grayscale(img)
        corners, ids, rejected = cv2.aruco.detectMarkers(gray, aruco_dict,
                                                         corners, ids)
        cv2.aruco.drawDetectedMarkers(img, corners, ids)
        if ids is not None and corners is not None \
                and len(ids) > 0 and len(ids) == len(corners):
            diamond_corners, diamond_ids = \
                cv2.aruco.detectCharucoDiamond(img, corners, ids,
                                               0.05 / 0.03, cameraMatrix=mtx,
                                               distCoeffs=dist)
            cv2.aruco.drawDetectedDiamonds(img, diamond_corners, diamond_ids)
            '''if diamond_ids is not None and len(diamond_ids) >= 4:
                break'''
            board = cv2.aruco.CharucoBoard_create(9, 6, 0.05, 0.03,
                                                  aruco_dict)
            if diamond_corners is not None and diamond_ids is not None \
                    and len(diamond_corners) == len(diamond_ids):
                count, char_corners, char_ids = \
                    cv2.aruco.interpolateCornersCharuco(diamond_corners,
                                                        diamond_ids, gray,
                                                        board)
                if count >= 3:
                    draw_axis(img, char_corners, char_ids, board)