Introduce dex_aggregator_base_trades

[Hosuke]

Background: #6215

[Hosuke]

I will try to refactor lifi.trades in this PR and test if the new workflow works.

[Hosuke]

dex_aggregator.trades check
(Try to ensure only lifi shows in diff records with diff in amount_usd)

[jeff-dude]

left initial feedback below

[jeff-dude]

Suggested change

	left join {{ source('tokens', 'erc20') }} erc20b
	on erc20b.contract_address = dexs.token_sold_address
	and erc20b.blockchain = 'optimism'
	left join {{ source('tokens', 'erc20') }} erc20b
	on erc20b.contract_address = dexs.token_sold_address
	and erc20b.blockchain = 'optimism'

while we're here, should we remove erc20 metadata too, and apply at the end with prices? similar to dex?

[Hosuke]

I drafted a similar enrichment macro in this PR.

[Hosuke]

I will try to remove these 5 columns from base_trades in order to remove erc20 source table from base_trades spells.

[Hosuke]

checkpoint

[Hosuke]

block_number may be supported in future.

[jeff-dude]

this is looking good, i think we're on the right track here 🙏