Move api-derive to correct location (#4343)

* Move api-derive to correct location * Adjust (linting ok) * No composite * ApiDerive split * Adjust * Still WIP, getting closer * It lints * derive build issues sorted * It builds :) * Add system_health to mock * api-augment usage * Cleanups * Adjust paths * linting * Some <'s * Revert <>'s * linting * ordering * Augmentation tweaks * yarn.lock * export
2021-12-18 09:18:55 +02:00
parent 7b8a6e89d9
commit 4913cf65fd
178 changed files with 720 additions and 685 deletions
@@ -0,0 +1,46 @@
+// Copyright 2017-2021 @polkadot/api-derive authors & contributors
+// SPDX-License-Identifier: Apache-2.0
+
+import type { EraIndex } from '@polkadot/types/interfaces';
+
+import { deriveCache } from '../util';
+
+export function getEraCache <T> (CACHE_KEY: string, era: EraIndex, withActive?: boolean): [string, T | undefined] {
+  const cacheKey = `${CACHE_KEY}-${era.toString()}`;
+
+  return [
+    cacheKey,
+    withActive
+      ? undefined
+      : deriveCache.get<T>(cacheKey)
+  ];
+}
+
+export function getEraMultiCache <T> (CACHE_KEY: string, eras: EraIndex[], withActive?: boolean): T[] {
+  const cached: T[] = withActive
+    ? []
+    : eras
+      .map((e) => deriveCache.get<T>(`${CACHE_KEY}-${e.toString()}`))
+      .filter((v): v is T => !!v);
+
+  return cached;
+}
+
+export function setEraCache <T extends { era: EraIndex }> (cacheKey: string, withActive: boolean, value: T): T {
+  !withActive && deriveCache.set(cacheKey, value);
+
+  return value;
+}
+
+export function setEraMultiCache <T extends { era: EraIndex }> (CACHE_KEY: string, withActive: boolean, values: T[]): T[] {
+  !withActive && values.forEach((v) => deriveCache.set(`${CACHE_KEY}-${v.era.toString()}`, v));
+
+  return values;
+}
+
+export function filterCachedEras <T extends { era: EraIndex }> (eras: EraIndex[], cached: T[], query: T[]): T[] {
+  return eras.map((e) =>
+    cached.find(({ era }) => e.eq(era)) ||
+    query.find(({ era }) => e.eq(era)) as T
+  );
+}