From 728e69e74ce3971210cb3accd180cb85f4cbb80b Mon Sep 17 00:00:00 2001
From: Ana G <40721795+Bitcoinera@users.noreply.github.com>
Date: Wed, 8 Jan 2020 13:28:01 +0100
Subject: [PATCH] delete perblockcachedatasource (#253)

---
 lib/source/PerBlockCacheDataSource.js | 28 ---------------------------
 1 file changed, 28 deletions(-)
 delete mode 100644 lib/source/PerBlockCacheDataSource.js

diff --git a/lib/source/PerBlockCacheDataSource.js b/lib/source/PerBlockCacheDataSource.js
deleted file mode 100644
index 8b0f1fdfbd..0000000000
--- a/lib/source/PerBlockCacheDataSource.js
+++ /dev/null
@@ -1,28 +0,0 @@
-// HACK! Stupid Apollo doesn't support proper caching logic
-// This appends the cache key of every request by the height so that every new block serves fresh data
-
-const { RESTDataSource } = require('apollo-datasource-rest')
-
-class PerBlockCacheDataSource extends RESTDataSource {
-  constructor() {
-    super()
-    this.cacheKey = 0
-  }
-
-  cacheKeyFor(request) {
-    return `${request.url}_${this.blockHeight}`
-  }
-
-  clearMemory() {
-    // The memoizedResults map used for caching requests is never
-    // cleared automatically. The RESTDataSource assumes it will be
-    // created a new for each request.
-    // We maintain instances for parsing new block events on a network,
-    // so we have a need to call this manually.
-    this.memoizedResults.clear()
-  }
-}
-
-module.exports = {
-  PerBlockCacheDataSource
-}