change to sim

Author: mewwts

README.md

@@ -1,6 +1,6 @@
-# Dune Echo Proxy
+# Dune Sim Proxy
 
-This repo hosts a one-click-deploy Cloudflare worker that proxies requests to Dune Echo. The proxy will allow you to keep your API key
+This repo hosts a one-click-deploy Cloudflare worker that proxies requests to Dune Sim. The proxy will allow you to keep your API key
 hidden from public requests made by clients. You will need both a [Dune](https://dune.com) account and a [Cloudflare](https://cloudflare.com) account to deploy this. Dune offers 10RPS for free, and Cloudflare workers can execute 100k invocations each day for free. Most projects can easily get started within these free tiers.
 
 # Setup
@@ -26,8 +26,7 @@ You can now use your worker URL as an the base Dune API endpoint in all SDK and
 
 # Additional Security Steps
 This implementation is intentionally left in a less-than-ideal security state to facilitate easy deployment by anyone. If you would like to
-lock down your Dune Echo Proxy further, consider the following steps after you have successfully deployed the worker:
-
+lock down your Dune Sim Proxy further, consider the following steps after you have successfully deployed the worker:
 
 * Update the `Access-Control-Allow-Origin` header by adding a new variable with the key name `CORS_ALLOW_ORIGIN` to contain the host that your requests are coming from (usually your client application). For example, if you wanted to allow requests from `https://example.com`, you would change the header to `https://example.com`. To support multiple domains, set `CORS_ALLOW_ORIGIN` to a comma separated list of domains (e.g. `https://example.com,https://beta.example.com`).
-* [Cloudflare Web Application Firewall (WAF)](https://www.cloudflare.com/lp/ppc/waf-x/) - You can configure the WAF to inspect requests and allow/deny based on your own business logic.
+* [Cloudflare Web Application Firewall (WAF)](https://www.cloudflare.com/lp/ppc/waf-x/) - You can configure the WAF to inspect requests and allow/deny based on your own business logic.

src/index.ts

@@ -5,7 +5,6 @@ interface Env {
 
 export default {
 	async fetch(request: Request, env: Env) {
-
 		// If the request is an OPTIONS request, return a 200 response with permissive CORS headers
 		// This is required for the Dune Echo Proxy to work from the browser and arbitrary origins
 		// If you wish to restrict the origins that can access your Dune Echo Proxy, you can do so by
@@ -15,18 +14,18 @@ export default {
 		// originated from one of the domains in the `CORS_ALLOW_ORIGIN` environment variable.
 		const supportedDomains = env.CORS_ALLOW_ORIGIN?.split(',');
 		const headers = {
-			"Access-Control-Allow-Methods": "GET, HEAD, POST, PUT, OPTIONS",
-			"Access-Control-Allow-Headers": "*",
-			"Access-Control-Allow-Origin": supportedDomains 
+			'Access-Control-Allow-Methods': 'GET, HEAD, POST, PUT, OPTIONS',
+			'Access-Control-Allow-Headers': '*',
+			'Access-Control-Allow-Origin': supportedDomains
 				? request.headers.get('Origin')
 					? supportedDomains.includes(request.headers.get('Origin')!)
 						? request.headers.get('Origin')!
 						: undefined
 					: undefined
-				: '*'
+				: '*',
 		};
 
-		if (request.method === "OPTIONS") {
+		if (request.method === 'OPTIONS') {
 			return new Response(null, {
 				status: 200,
 				headers: headers as Record<string, string>,
@@ -35,25 +34,14 @@ export default {
 
 		const url = new URL(request.url);
 
-		// Return early if path does not start with /api/echo
-		if (!url.pathname.startsWith("/api/echo")) {
-			return new Response(null, {
-				status: 404,
-				headers: headers as Record<string, string>,
-			});
-		}
-
 		// Clone the request to modify headers
-		const req = new Request(
-			`https://api.dune.com${url.pathname}${url.search}`,
-			{
-				...request,
-				headers: new Headers({
-					...Object.fromEntries(request.headers.entries()),
-					'x-dune-api-key': env.DUNE_API_KEY
-				})
-			}
-		);
+		const req = new Request(`https://api.sim.dune.com${url.pathname}${url.search}`, {
+			...request,
+			headers: new Headers({
+				...Object.fromEntries(request.headers.entries()),
+				'x-dune-api-key': env.DUNE_API_KEY,
+			}),
+		});
 
 		return fetch(req);
 	},