def get_ballances(user):
    res = {}
    if user:
        for wallet in user.wallet_set.all():
            info = '%.8f' % wallet.amount
            if wallet.amount_blocked:
                info += ' (%.8f)' % wallet.amount_blocked
            res[wallet.currency.iso] = info
    return res


def get_ballances_decimal(user):
    res = {}
    if user:
        for wallet in user.wallet_set.all():
            info = wallet.amount
            blocked = wallet.amount_blocked
            res[wallet.currency.iso] = (info, blocked)
    return res