refactor(transport): move rate limiter constants to constants.ts

Move DEFAULT_MESSAGE_RATE_LIMIT, DEFAULT_MESSAGE_RATE_WINDOW_MS,
DEFAULT_CONNECTION_RATE_LIMIT, and DEFAULT_CONNECTION_RATE_WINDOW_MS
to constants.ts for consistency with other default constants.

Co-Authored-By: Claude Opus 4.5 <[email protected]>

Author: sirtimid

packages/ocap-kernel/src/remotes/platform/constants.ts

@@ -15,3 +15,15 @@ export const DEFAULT_WRITE_TIMEOUT_MS = 10_000;
 
 /** SCTP user initiated abort code (RFC 4960) */
 export const SCTP_USER_INITIATED_ABORT = 12;
+
+/** Default message rate limit: 100 messages per second per peer */
+export const DEFAULT_MESSAGE_RATE_LIMIT = 100;
+
+/** Default message rate window in milliseconds (1 second) */
+export const DEFAULT_MESSAGE_RATE_WINDOW_MS = 1000;
+
+/** Default connection attempt rate limit: 10 attempts per minute per peer */
+export const DEFAULT_CONNECTION_RATE_LIMIT = 10;
+
+/** Default connection rate window in milliseconds (1 minute) */
+export const DEFAULT_CONNECTION_RATE_WINDOW_MS = 60_000;

packages/ocap-kernel/src/remotes/platform/rate-limiter.test.ts

@@ -1,14 +1,16 @@
 import { ResourceLimitError } from '@metamask/kernel-errors';
 import { describe, it, expect, beforeEach } from 'vitest';
 
+import {
+  DEFAULT_CONNECTION_RATE_LIMIT,
+  DEFAULT_CONNECTION_RATE_WINDOW_MS,
+  DEFAULT_MESSAGE_RATE_LIMIT,
+  DEFAULT_MESSAGE_RATE_WINDOW_MS,
+} from './constants.ts';
 import {
   SlidingWindowRateLimiter,
   makeMessageRateLimiter,
   makeConnectionRateLimiter,
-  DEFAULT_MESSAGE_RATE_LIMIT,
-  DEFAULT_MESSAGE_RATE_WINDOW_MS,
-  DEFAULT_CONNECTION_RATE_LIMIT,
-  DEFAULT_CONNECTION_RATE_WINDOW_MS,
 } from './rate-limiter.ts';
 
 describe('SlidingWindowRateLimiter', () => {

packages/ocap-kernel/src/remotes/platform/rate-limiter.ts

@@ -1,16 +1,11 @@
 import { ResourceLimitError } from '@metamask/kernel-errors';
 
-/** Default message rate limit: 100 messages per second per peer */
-export const DEFAULT_MESSAGE_RATE_LIMIT = 100;
-
-/** Default message rate window in milliseconds (1 second) */
-export const DEFAULT_MESSAGE_RATE_WINDOW_MS = 1000;
-
-/** Default connection attempt rate limit: 10 attempts per minute per peer */
-export const DEFAULT_CONNECTION_RATE_LIMIT = 10;
-
-/** Default connection rate window in milliseconds (1 minute) */
-export const DEFAULT_CONNECTION_RATE_WINDOW_MS = 60_000;
+import {
+  DEFAULT_CONNECTION_RATE_LIMIT,
+  DEFAULT_CONNECTION_RATE_WINDOW_MS,
+  DEFAULT_MESSAGE_RATE_LIMIT,
+  DEFAULT_MESSAGE_RATE_WINDOW_MS,
+} from './constants.ts';
 
 /**
  * A sliding window rate limiter that tracks event counts per key within a time window.

packages/ocap-kernel/src/remotes/platform/transport.ts

@@ -7,17 +7,17 @@ import { makeErrorLogger, writeWithTimeout } from './channel-utils.ts';
 import { ConnectionFactory } from './connection-factory.ts';
 import {
   DEFAULT_CLEANUP_INTERVAL_MS,
+  DEFAULT_CONNECTION_RATE_LIMIT,
   DEFAULT_MAX_CONCURRENT_CONNECTIONS,
   DEFAULT_MAX_MESSAGE_SIZE_BYTES,
+  DEFAULT_MESSAGE_RATE_LIMIT,
+  DEFAULT_MESSAGE_RATE_WINDOW_MS,
   DEFAULT_STALE_PEER_TIMEOUT_MS,
   DEFAULT_WRITE_TIMEOUT_MS,
   SCTP_USER_INITIATED_ABORT,
 } from './constants.ts';
 import { PeerStateManager } from './peer-state-manager.ts';
 import {
-  DEFAULT_CONNECTION_RATE_LIMIT,
-  DEFAULT_MESSAGE_RATE_LIMIT,
-  DEFAULT_MESSAGE_RATE_WINDOW_MS,
   makeConnectionRateLimiter,
   makeMessageRateLimiter,
 } from './rate-limiter.ts';