*Initial version

LICENSE

@@ -1,6 +1,6 @@
 MIT License
 
-Copyright (c) <year> <copyright holders>
+Copyright (c) 2023 Hammer Technologies LLC
 
 Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions:
 

build.js

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+import esbuild from "esbuild";
+
+esbuild.buildSync({
+  entryPoints: ["src/index.ts"],
+  outfile: "dist/eth.js",
+  format: "cjs",
+  bundle: true,
+  platform: "node",
+});

pkg/load-eth.json

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+{
+    "plugins": ["eth"]
+}

src/index.ts

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+import type { Plugin, PluginAPI } from "@lumeweb/interface-relay";
+import fetch, { Request, RequestInit } from "node-fetch";
+
+const EXECUTION_RPC_URL =
+  "https://g.w.lavanet.xyz:443/gateway/eth/rpc-http/f195d68175eb091ec1f71d00f8952b85";
+
+const CONSENSUS_RPC_URL = "https://www.lightclientdata.org";
+
+async function doFetch(url: string, request: RequestInit) {
+  sanitizeRequestArgs(request);
+
+  let req = new Request(url, request);
+
+  const resp = await fetch(req);
+
+  return (await resp.json()) as any;
+}
+
+function sanitizeRequestArgs(request: RequestInit) {
+  if (!request || typeof request !== "object") {
+    throw Error("invalid request");
+  }
+
+  [
+    "agent",
+    "hostname",
+    "referrer",
+    "referrerPolicy",
+    "compress",
+    "port",
+    "protocol",
+    "hostname",
+    "insecureHTTPParser",
+    "highWaterMark",
+    "size",
+  ].forEach((element) => {
+    if (element in request) {
+      delete request[element];
+    }
+  });
+}
+
+const plugin: Plugin = {
+  name: "eth",
+  async plugin(api: PluginAPI): Promise<void> {
+    api.registerMethod("execution_request", {
+      cacheable: false,
+      async handler(request: RequestInit): Promise<object> {
+        return doFetch(EXECUTION_RPC_URL, request);
+      },
+    });
+
+    api.registerMethod("consensus_request", {
+      cacheable: false,
+      async handler(request: RequestInit): Promise<object> {
+        return doFetch(CONSENSUS_RPC_URL, request);
+      },
+    });
+  },
+};
+
+export default plugin;

tsconfig.json

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+{
+    "compilerOptions": {
+        "module": "esnext",
+        "target": "esnext",
+        "esModuleInterop": true,
+        "outDir": "dist",
+        "moduleResolution": "node"
+    },
+    "include": ["src"],
+    "exclude": [
+        "node_modules"
+    ]
+}