angel09-SK3z3aVolume of $DAI Bridges per month
    Updated 2022-10-30
    with eth_to_optimism_daily as (select sum(amount) as eth_value , block_timestamp::date as date
    from ethereum.core.ez_token_transfers
    where amount>0 and symbol='DAI' and to_address in (select address from ethereum.core.dim_labels where label='optimism')
    group by date)
    , eth_to_optimism_monthly as (select sum(amount) as eth_value , date_trunc('month', block_timestamp) as date
    from ethereum.core.ez_token_transfers
    where amount>0 and symbol='DAI' and to_address in (select address from ethereum.core.dim_labels where label='optimism')
    group by date)
    ,optimism_to_eth_daily as (select sum(amount) as eth_value , block_timestamp::date as date
    from ethereum.core.ez_token_transfers
    where amount>0 and symbol='DAI' and from_address in (select address from ethereum.core.dim_labels where label='optimism')
    group by date)
    ,optimism_to_eth_monthly as (select sum(amount) as eth_value , date_trunc('month', block_timestamp) as date
    from ethereum.core.ez_token_transfers
    where amount>0 and symbol='DAI' and from_address in (select address from ethereum.core.dim_labels where label='optimism')
    group by date)

    select 'eth to optimism',* from eth_to_optimism_monthly
    UNION
    select 'optimism to eth',* from optimism_to_eth_monthly
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