Add on suggestion for player trade in next major update

[Riiloo 0]

So this patch note here for v18, February Update

- New Feature: Player shops in freeports. Players can set up automated shops in each Freeport, listing loot for sale and naming their own gold coin prices.

Would it be possible to make it so players can set up trades for one resource, for another? Example, I don't know how the system for the official patch one with gold prices, but it could be something like this

Player puts 2,000 Granite(Stone) on his/her trade-offer/market, and wants 2,000 Slate(Stone) for it.

When you put a resource on the trade / market, you can only get the other type of that resource, like Tin(Metal) for Copper(Metal), Roots(Thatch) for Fronds(Thatch), Opal(Gem) for Ruby(Gem)

Player1 traded '750 Copper' for Player2's '750 Silver'

Idk, just a suggestion someone could make a mod for this either way perhaps. Just to me sounds like an idea