with tx_dedup as (
    select
        *
    from (
        select
            transfer_id,
            row_number() over(partition by transfer_id order by amount desc) as rn_
        FROM `reby-cloud.temp_eu.delete_kernel_transactions`
    )
    where rn_ = 1
)

SELECT
    date_trunc(datetime(time_t),month) as month,
    sum(abs(amount))/100 as amount,
    count(*) as num_tx
FROM `reby-cloud.temp_eu.delete_kernel_transactions`
where transfer_id in (select transfer_id from tx_dedup)
group by 1
order by 1 desc
;
select
    transfer_id,
    count(*) as count_,
    array_agg(amount) as amounts,
    array_agg(type)
FROM `reby-cloud.temp_eu.delete_kernel_transactions`
group by 1
order by 1 desc