feature/si-2160-dcn-list-query

[Allyson-English]

Add DCN list query

• return DCNs ordered by Mint Time
• Clients should be able to filter by DCN owner

[linear]

SI-2160 DCN list query

Add a dcns list query. This should return DCNs ordered by mint time, descending. Clients should be able to narrow this list down by DCN owner.

{
  dcns(first: 10, filterBy: {owner: "0x4407D41EfBA71a2154E48f312cDfD6e796035b44"}) {
    nodes {
      name
      owner
      mintedAt
    }
  }
}

[elffjs]

Doyin has a helper in helpers that I think we can use.

[elffjs]

I don't think you need this "wrapper" array, you're just undoing it. See:

https://go.dev/play/p/_Vs3xR_u8l0

[elffjs]

Unfortunately you're going to run into cases—unlikely as they may seem—where we have the same mint time but multiple DCNs. I would use the primary key (the node) to disambiguate. So you're going to have to order by two things and the cursor and ordering is going to be more complicated.

I would look at the privilege pagination stuff for more inspiration.

[elffjs]

Here's the general area

identity-api/internal/repositories/vehicle_privileges.go

Line 119 in c4e1456

models.PrivilegeWhere.SetAt.EQ(afterCursor.SetAt),

[elffjs]

Let's do sub-tests.

[elffjs]

The tests here were a bit strange but I think this works.