test: updated epochDetailsInRange query

Author: iadmytro

packages/api-cardano-db-hasura/src/example_queries/epochs/epochDetailsInRange.graphql

@@ -1,7 +1,8 @@
 query epochDetailsInRange (
-    $numbers: [Int!]
+    $from: Int!,
+    $to: Int!
 ) {
-    epochs( where: { number: { _in: $numbers }}) {
+    epochs( where: { number: {_gte: $from, _lte: $to } } ) {
         adaPots {
             deposits,
             fees,

packages/api-cardano-db-hasura/test/epochs.query.test.ts

@@ -72,13 +72,12 @@ describe('epochs', () => {
   })
 
   it('Returns epoch details by number range', async () => {
-    // Todo: Convert this into an actual ranged query now the performance issue is resolved.
-    // TODO: how to convert ???
     const dbResp = await db.query('SELECT max(epoch_no) AS epoch_no FROM block;')
     const result = await client.query({
       query: await loadQueryNode('epochDetailsInRange'),
-      variables: { numbers: [dbResp.rows[0].epoch_no] }
+      variables: { from: dbResp.rows[0].epoch_no - 2, to: dbResp.rows[0].epoch_no }
     })
+    expect(result.data.epochs.length).toEqual(3)
     allFieldsPopulated(result.data.epochs[0])
   })