chore: move cache types out

Author: aganglada

packages/snap/src/core/caching/InMemoryCache.ts

@@ -3,23 +3,13 @@ import { assert } from '@metamask/utils';
 import type { Serializable } from '../serialization/types';
 import type { ILogger } from '../utils/logger';
 import type { ICache } from './ICache';
-
-export type TimestampMilliseconds = number;
-
-/**
- * A single cache entry.
- */
-export type CacheEntry = {
-  value: Serializable;
-  expiresAt: TimestampMilliseconds;
-};
+import type { CacheEntry } from './types';
 
 /**
- * A simple in-memory cache implementation, primarily used for testing purposes.
+ * A simple in-memory cache implementation supporting TTL (Time To Live) functionality.
  *
  * WARNINGS:
  * - This cache is not persistent and will be lost when the process is restarted.
- * - It now supports TTL (Time To Live) functionality.
  */
 export class InMemoryCache implements ICache<Serializable> {
   #cache: Map<string, CacheEntry> = new Map();

packages/snap/src/core/caching/StateCache.ts

@@ -6,16 +6,7 @@ import type { Serializable } from '../serialization/types';
 import type { IStateManager } from '../services/state/IStateManager';
 import type { ILogger } from '../utils/logger';
 import type { ICache } from './ICache';
-
-export type TimestampMilliseconds = number;
-
-/**
- * A single cache entry.
- */
-export type CacheEntry = {
-  value: Serializable;
-  expiresAt: TimestampMilliseconds;
-};
+import type { CacheEntry } from './types';
 
 /**
  * The whole cache store.

packages/snap/src/core/caching/types.ts

@@ -0,0 +1,11 @@
+import type { Serializable } from '../serialization/types';
+
+export type TimestampMilliseconds = number;
+
+/**
+ * A single cache entry.
+ */
+export type CacheEntry = {
+  value: Serializable;
+  expiresAt: TimestampMilliseconds;
+};

packages/snap/src/core/services/assets/AssetsService.test.ts

@@ -64,7 +64,7 @@ describe('AssetsService', () => {
 
     mockState = new InMemoryState(DEFAULT_UNENCRYPTED_STATE);
 
-    mockCache = new InMemoryCache();
+    mockCache = new InMemoryCache(logger);
 
     stateUpdateSpy = jest.spyOn(mockState, 'update');