.github/workflows/ci.yml

@@ -1,13 +0,0 @@
-name: Build/Publish
-
-on:
-    push:
-        branches:
-            - master
-            - develop
-            - develop-*
-
-jobs:
-    main:
-        uses: lumeweb/github-node-deploy-workflow/.github/workflows/main.yml@master
-        secrets: inherit

.presetterrc.json

@@ -1,28 +0,0 @@
-{
-    "preset": [
-        "@lumeweb/presetter-kernel-module-preset"
-    ],
-    "config": {
-        "tsconfig": {
-            "compilerOptions": {
-                "module": "nodenext"
-            }
-        },
-        "vite": {
-            "resolve": {
-                "alias": {
-                    "ethereum-cryptography/secp256k1": "ethereum-cryptography/secp256k1.js",
-                    "ethereum-cryptography/keccak": "ethereum-cryptography/keccak.js",
-                    "ethereum-cryptography/utils": "ethereum-cryptography/utils.js",
-                    "ethereum-cryptography/sha256": "ethereum-cryptography/sha256.js",
-                    "ethereum-cryptography/ripemd160": "ethereum-cryptography/ripemd160.js",
-                    "bigint-mod-arith": "@lumeweb/bigint-mod-arith",
-                    "bigint-crypto-utils": "@lumeweb/bigint-crypto-utils"
-                }
-            },
-            "optimize": {
-                "./blst-native/index.js": "export default undefined;"
-            }
-        }
-    }
-}

CHANGELOG.md

@@ -1,20 +0,0 @@
-# [0.1.0-develop.3](https://git.lumeweb.com/LumeWeb/kernel-eth/compare/v0.1.0-develop.2...v0.1.0-develop.3) (2023-11-17)
-
-# [0.1.0-develop.2](https://git.lumeweb.com/LumeWeb/kernel-eth/compare/v0.1.0-develop.1...v0.1.0-develop.2) (2023-10-13)
-
-# [0.1.0-develop.1](https://git.lumeweb.com/LumeWeb/kernel-eth/compare/v0.0.1...v0.1.0-develop.1) (2023-10-12)
-
-
-### Bug Fixes
-
-* add synced listener on eth client to flag the synced status ([5f64664](https://git.lumeweb.com/LumeWeb/kernel-eth/commit/5f64664676babae7065dc7560a5db780799c2c9e))
-* createEthClient needs logging functions and sync delay passed ([0324700](https://git.lumeweb.com/LumeWeb/kernel-eth/commit/032470029cec8266b925ddb689512e18a580183b))
-
-
-### Features
-
-* add caching of the last consensus update via leveldb ([9f35ea7](https://git.lumeweb.com/LumeWeb/kernel-eth/commit/9f35ea7f9b31430a5840dc431fadd4cfd560759a))
-* add name api ([9370003](https://git.lumeweb.com/LumeWeb/kernel-eth/commit/9370003a59d1dd0c343f6817c2940f7309703854))
-* add register method for network registry ([e7d85a2](https://git.lumeweb.com/LumeWeb/kernel-eth/commit/e7d85a2af4c2325aae8b0a0e4c327a8f121fae6a))
-* add status api ([2a079f3](https://git.lumeweb.com/LumeWeb/kernel-eth/commit/2a079f340f5f1a61809aebf92ea038a97665684a))
-* Update to capella fork ([e62eadd](https://git.lumeweb.com/LumeWeb/kernel-eth/commit/e62eadd43617d4da0903d2d60d7c057966c5c71e))

build.js

@@ -0,0 +1,48 @@
+import esbuild from "esbuild";
+import { readFile } from "fs/promises";
+import path from "path";
+
+await esbuild.build({
+  entryPoints: ["src/index.ts"],
+  outfile: "dist/index.js",
+  format: "esm",
+  bundle: true,
+  legalComments: "external",
+  define: {
+    global: "self",
+    "import.meta": "true",
+  },
+  plugins: [
+    {
+      name: "base64",
+      setup(build) {
+        build.onResolve({ filter: /\?base64$/ }, (args) => {
+          return {
+            path: args.path,
+            pluginData: {
+              isAbsolute: path.isAbsolute(args.path),
+              resolveDir: args.resolveDir,
+            },
+            namespace: "base64-loader",
+          };
+        });
+        build.onLoad(
+          { filter: /\?base64$/, namespace: "base64-loader" },
+          async (args) => {
+            const fullPath = args.pluginData.isAbsolute
+              ? args.path
+              : path.join(args.pluginData.resolveDir, args.path);
+            return {
+              contents: Buffer.from(
+                await readFile(fullPath.replace(/\?base64$/, ""))
+              ).toString("base64"),
+              loader: "text",
+            };
+          }
+        );
+      },
+    },
+  ],
+});
+
+export {};

package.json

@@ -1,33 +1,30 @@
 {
   "name": "@lumeweb/kernel-eth",
-    "version": "0.1.0-develop.3",
+  "version": "0.1.0",
   "license": "MIT",
   "type": "module",
-    "readme": "ERROR: No README data found!",
-    "repository": {
-        "type": "git",
-        "url": "gitea@git.lumeweb.com:LumeWeb/kernel-eth.git"
-    },
   "scripts": {
-        "prepare": "presetter bootstrap",
+    "build-script": "tsc --project tsconfig.build.json && mv dist-build/build.js dist-build/build.mjs",
-        "build": "run build",
+    "compile": "npm run build-script && rimraf node_modules/@lumeweb/dht-rpc-client/node_modules node_modules/@lumeweb/kernel-dht-client/node_modules/libkmodule && node build.js",
-        "semantic-release": "semantic-release",
+    "build": "npm run compile && node ./dist-build/build.mjs dev"
-        "postinstall": "patch-package"
-    },
-    "devDependencies": {
-        "@lumeweb/presetter-kernel-module-preset": "0.1.0-develop.42",
-        "@rollup/plugin-alias": "^5.0.0",
-        "patch-package": "^7.0.0",
-        "rollup-plugin-ignore-import": "^1.3.2"
   },
   "dependencies": {
-        "@lumeweb/bigint-crypto-utils": "1.0.0",
+    "@lumeweb/kernel-rpc-client": "git+https://git.lumeweb.com/LumeWeb/kernel-rpc-client.git",
-        "@lumeweb/kernel-lavanet-client": "^0.1.0-develop.6",
+    "libkmodule": "^0.2.53",
-        "@lumeweb/kernel-network-registry-client": "^0.1.0-develop.10",
+    "yaml": "^2.2.1"
-        "@lumeweb/kernel-rpc-client": "0.0.2-develop.18",
+  },
-        "@lumeweb/libethsync": "0.1.0-develop.63",
+  "devDependencies": {
-        "@lumeweb/libkernel": "0.1.0-develop.66",
+    "@lumeweb/interface-relay": "git+https://git.lumeweb.com/LumeWeb/interface-relay.git",
-        "level": "^8.0.0",
+    "@scure/bip39": "^1.2.0",
-        "p-defer": "^4.0.0"
+    "@skynetlabs/skynet-nodejs": "^2.9.0",
+    "@types/node": "^18.15.9",
+    "@types/read": "^0.0.29",
+    "buffer": "^6.0.3",
+    "cli-progress": "^3.12.0",
+    "esbuild": "^0.17.13",
+    "esbuild-plugin-wasm": "^1.0.0",
+    "prettier": "^2.8.7",
+    "read": "^2.0.0",
+    "typescript": "^5.0.2"
   }
 }

patches/@chainsafe+bls+7.1.1.patch

@@ -1,89 +0,0 @@
-diff --git a/node_modules/@chainsafe/bls/lib/getImplementation.js b/node_modules/@chainsafe/bls/lib/getImplementation.js
-index 9137cd4..ba8de8a 100644
---- a/node_modules/@chainsafe/bls/lib/getImplementation.js
-+++ b/node_modules/@chainsafe/bls/lib/getImplementation.js
-@@ -3,7 +3,7 @@ const isNode = Object.prototype.toString.call(typeof process !== "undefined" ? p
- export async function getImplementation(impl = "herumi") {
-     switch (impl) {
-         case "herumi": {
--            return (await import("./herumi/index.js")).bls;
-+            return (await import("./herumi/index.js")).bls();
-         }
-         case "blst-native":
-             // Lazy import native bindings to prevent automatically importing binding.node files
-diff --git a/node_modules/@chainsafe/bls/lib/herumi/index.js b/node_modules/@chainsafe/bls/lib/herumi/index.js
-index 4ed8fdd..f979984 100644
---- a/node_modules/@chainsafe/bls/lib/herumi/index.js
-+++ b/node_modules/@chainsafe/bls/lib/herumi/index.js
-@@ -1,16 +1,20 @@
--import { SecretKey } from "./secretKey.js";
--import { PublicKey } from "./publicKey.js";
--import { Signature } from "./signature.js";
--import { init, destroy } from "./context.js";
--import { functionalInterfaceFactory } from "../functional.js";
--await init();
--export * from "../constants.js";
--export { SecretKey, PublicKey, Signature, init, destroy };
--export const bls = {
--    implementation: "herumi",
--    SecretKey,
--    PublicKey,
--    Signature,
--    ...functionalInterfaceFactory({ SecretKey, PublicKey, Signature }),
--};
--export default bls;
-+import { SecretKey } from './secretKey.js'
-+import { PublicKey } from './publicKey.js'
-+import { Signature } from './signature.js'
-+import { init, destroy } from './context.js'
-+import { functionalInterfaceFactory } from '../functional.js'
-+
-+export * from '../constants.js'
-+export { SecretKey, PublicKey, Signature, init, destroy }
-+
-+export const bls = async () => {
-+    await init()
-+    return {
-+        implementation: 'herumi',
-+        SecretKey,
-+        PublicKey,
-+        Signature,
-+        ...functionalInterfaceFactory({ SecretKey, PublicKey, Signature }),
-+    }
-+}
-+export default bls
-diff --git a/node_modules/@chainsafe/bls/lib/index.d.ts b/node_modules/@chainsafe/bls/lib/index.d.ts
-index 35a9432..097a938 100644
---- a/node_modules/@chainsafe/bls/lib/index.d.ts
-+++ b/node_modules/@chainsafe/bls/lib/index.d.ts
-@@ -1,3 +1,3 @@
- import type { IBls } from "./types.js";
--declare let bls: IBls;
-+export declare const bls: () => Promise<IBls>;
- export default bls;
-diff --git a/node_modules/@chainsafe/bls/lib/index.js b/node_modules/@chainsafe/bls/lib/index.js
-index c2a5bdf..9572018 100644
---- a/node_modules/@chainsafe/bls/lib/index.js
-+++ b/node_modules/@chainsafe/bls/lib/index.js
-@@ -1,11 +1,14 @@
- import { getImplementation } from "./getImplementation.js";
- // Thanks https://github.com/iliakan/detect-node/blob/master/index.esm.js
- const isNode = Object.prototype.toString.call(typeof process !== "undefined" ? process : 0) === "[object process]";
--let bls;
--try {
--    bls = await getImplementation(isNode ? "blst-native" : "herumi");
--}
--catch (e) {
--    bls = await getImplementation("herumi");
--}
-+export const bls = async () => {
-+    let bls;
-+    try {
-+        bls = await getImplementation(isNode ? "blst-native" : "herumi");
-+    }
-+    catch (e) {
-+        bls = await getImplementation("herumi");
-+    }
-+    return bls;
-+};
- export default bls;

src-build/build.ts

@@ -0,0 +1,218 @@
+// This is the standard build script for a kernel module.
+
+import * as fs from "fs";
+import read from "read";
+import * as bip39 from "@scure/bip39";
+import { wordlist } from "@scure/bip39/wordlists/english.js";
+//@ts-ignore
+import { SkynetClient } from "@skynetlabs/skynet-nodejs";
+
+// Helper variables to make it easier to return empty values alongside errors.
+const nu8 = new Uint8Array(0);
+const nkp = {
+  publicKey: nu8,
+  secretKey: nu8,
+};
+
+// readFile is a wrapper for fs.readFileSync that handles the try-catch for the
+// caller.
+function readFile(fileName: string): [string, string | null] {
+  try {
+    let data = fs.readFileSync(fileName, "utf8");
+    return [data, null];
+  } catch (err) {
+    return ["", "unable to read file: " + JSON.stringify(err)];
+  }
+}
+
+// readFileBinary is a wrapper for fs.readFileSync that handles the try-catch
+// for the caller.
+function readFileBinary(fileName: string): [Uint8Array, string | null] {
+  try {
+    let data = fs.readFileSync(fileName, null);
+    return [data, null];
+  } catch (err) {
+    return [nu8, "unable to read file: " + JSON.stringify(err)];
+  }
+}
+
+// writeFile is a wrapper for fs.writeFileSync which handles the try-catch in a
+// non-exception way.
+function writeFile(fileName: string, fileData: string): string | null {
+  try {
+    fs.writeFileSync(fileName, fileData);
+    return null;
+  } catch (err) {
+    return "unable to write file: " + JSON.stringify(err);
+  }
+}
+
+// handlePass handles all portions of the script that occur after the password
+// has been requested. If no password needs to be requested, handlePass will be
+// called with a null input. We need to structure the code this way because the
+// password reader is async and we can only access the password when using a
+// callback.
+function handlePass(password: string) {
+  try {
+    // If we are running prod and the seed file does not exist, we
+    // need to confirm the password and also warn the user to use a
+    // secure password.
+    if (!fs.existsSync(seedFile) && process.argv[2] === "prod") {
+      // The file does not exist, we need to confirm the
+      // password.
+      console.log();
+      console.log(
+        "No production entry found for module. Creating new production module..."
+      );
+      console.log(
+        "If someone can guess the password, they can push arbitrary changes to your module."
+      );
+      console.log("Please use a secure password.");
+      console.log();
+      read(
+        { prompt: "Confirm Password: ", silent: true },
+        function (err: any, confirmPassword: string) {
+          if (err) {
+            console.error("unable to fetch password:", err);
+            process.exit(1);
+          }
+          if (password !== confirmPassword) {
+            console.error("passwords do not match");
+            process.exit(1);
+          }
+          handlePassConfirm(moduleSalt, password);
+        }
+      );
+    } else {
+      // If the seed file does exist, or if we are using dev,
+      // there's no need to confirm the password but we do
+      // need to pass the logic off to the handlePassConfirm
+      // callback.
+      handlePassConfirm(moduleSalt, password);
+    }
+  } catch (err) {
+    console.error("Unable to read seedFile:", err);
+    process.exit(1);
+  }
+}
+
+// handlePassConfirm handles the full script after the confirmation password
+// has been provided. If not confirmation password is needed, this function
+// will be called anyway using the unconfirmed password as input.
+function handlePassConfirm(seed: string, password: string) {
+  // Create the seedFile if it does not exist. For dev we just save the
+  // seed to disk outright, because this is a dev build and therefore not
+  // security sensitive. Also the dev seed does not get pushed to the
+  // github repo.
+  //
+  // For prod, we use the seed to create a new seed (called the shield)
+  // which allows us to verify that the developer has provided the right
+  // password when deploying the module. The shield does get pushed to
+  // the github repo so that the production module is the same on all
+  // devices.
+  if (!fs.existsSync(seedFile) && process.argv[2] !== "prod") {
+    // Generate the seed phrase and write it to the file.
+    let seedPhrase = bip39.generateMnemonic(wordlist);
+    let errWF = writeFile(seedFile, seedPhrase);
+    if (errWF !== null) {
+      console.error("unable to write file:", errWF);
+      process.exit(1);
+    }
+  } else if (!fs.existsSync(seedFile) && process.argv[2] === "prod") {
+    // Generate the seed phrase.
+    let seedPhrase = bip39.generateMnemonic(wordlist);
+    // Write the registry link to the file.
+  }
+
+  // Load or verify the seed. If this is prod, the password is used to
+  // create and verify the seed. If this is dev, we just load the seed
+  // with no password.
+  let seedPhrase: string;
+  let registryLink: string;
+  if (process.argv[2] === "prod") {
+    // Generate the seed phrase from the password.
+    seedPhrase = bip39.generateMnemonic(wordlist);
+  } else {
+    let [sp, errRF] = readFile(seedFile);
+    if (errRF !== null) {
+      console.error("unable to read seed phrase for dev command from disk");
+      process.exit(1);
+    }
+    seedPhrase = sp;
+  }
+
+  let metadata = {
+    Filename: "index.js",
+  };
+  const client = new SkynetClient("https://web3portal.com");
+  client
+    .uploadFile("dist/index.js")
+    .then((result: any) => {
+      console.log("Immutable Link for module:", result);
+    })
+    .catch((err: any) => {
+      console.error("unable to upload file", err);
+      process.exit(1);
+    });
+}
+
+// Add a newline for readability.
+console.log();
+
+// Check for a 'dev' or 'prod' input to the script.
+if (process.argv.length !== 3) {
+  console.error("need to provide either 'dev' or 'prod' as an input");
+  process.exit(1);
+}
+
+// Create the build folder if it does not exist.
+if (!fs.existsSync("build")) {
+  fs.mkdirSync("build");
+}
+
+// Determine the seed file.
+let seedFile: string;
+if (process.argv[2] === "prod") {
+  seedFile = "module-skylink";
+} else if (process.argv[2] === "dev") {
+  seedFile = "build/dev-seed";
+} else {
+  console.error("need to provide either 'dev' or 'prod' as an input");
+  process.exit(1);
+}
+
+// If doing a prod deployment, check whether the salt file exists. If it does
+// not, create it.
+let moduleSalt: string;
+if (!fs.existsSync(".module-salt")) {
+  moduleSalt = bip39.generateMnemonic(wordlist);
+  let errWF = writeFile(".module-salt", moduleSalt);
+  if (errWF !== null) {
+    console.error("unable to write module salt file:", errWF);
+    process.exit(1);
+  }
+} else {
+  let [ms, errRF] = readFile(".module-salt");
+  if (errRF !== null) {
+    console.error("unable to read moduleSalt");
+    process.exit(1);
+  }
+  ms = ms.replace(/\n$/, "");
+  moduleSalt = ms;
+}
+
+// Need to get a password if this is a prod build.
+if (process.argv[2] === "prod") {
+  read(
+    { prompt: "Password: ", silent: true },
+    function (err: any, password: string) {
+      if (err) {
+        console.error("unable to fetch password:", err);
+        process.exit(1);
+      }
+      handlePass(password);
+    }
+  );
+} else {
+  handlePass("");
+}

src/index.ts

@@ -1,47 +1,26 @@
-import {
+import { ActiveQuery, addHandler, handleMessage } from "libkmodule";
-  ActiveQuery,
+import { createClient, RpcNetwork } from "@lumeweb/kernel-rpc-client";
-  addHandler,
+import init, { Client } from "../wasm/helios_ts.js";
-  handleMessage,
+// @ts-ignore
-  log,
+import wasm from "../wasm/helios_ts_bg.wasm?base64";
-  logErr,
+import { Buffer } from "buffer";
-} from "@lumeweb/libkernel/module";
+import { RPCResponse } from "@lumeweb/interface-relay";
-import {
+import { ConsensusRequest, ExecutionRequest } from "./types.js";
-  createClient as createRpcClient,
+
-  RpcNetwork,
+const CHECKPOINT =
-} from "@lumeweb/kernel-rpc-client";
+  "0x694433ba78dd08280df68d3713c0f79d668dbee9e0922ec2346fcceb1dc3daa9";
-import { createClient as createNetworkRegistryClient } from "@lumeweb/kernel-network-registry-client";
-import {
-  Client as EthClient,
-  ConsensusCommitteeUpdateRequest,
-  createDefaultClient as createEthClient,
-} from "@lumeweb/libethsync/client";
-import * as capella from "@lodestar/types/capella";
-import defer from "p-defer";
-import { Level } from "level";
-import {
-  type LavaNetClient,
-  createClient as createLavanetClient,
-} from "@lumeweb/kernel-lavanet-client";
 
 onmessage = handleMessage;
 
-const TYPES = ["blockchain"];
+let moduleReadyResolve: Function;
-const networkRegistry = createNetworkRegistryClient();
+let moduleReady: Promise<void> = new Promise((resolve) => {
-
+  moduleReadyResolve = resolve;
-const moduleReadyDefer = defer();
-const clientInitDefer = defer();
-
-let client: EthClient;
-let lavanet: LavaNetClient;
-let rpc: RpcNetwork;
-const db = new Level<number | string, Uint8Array>("consensus", {
-  valueEncoding: "buffer",
 });
 
-addHandler("presentKey", handlePresentKey);
+let client: Client;
-addHandler("register", handleRegister);
+let rpc: RpcNetwork;
-addHandler("status", handleStatus, { receiveUpdates: true });
+
-addHandler("name", handleName);
+addHandler("presentSeed", handlePresentSeed);
 addHandler("ready", handleReady);
 
 [
@@ -69,169 +48,181 @@ addHandler("ready", handleReady);
       params: aq.callerInput || {},
       method: rpcMethod,
     };
-    try {
+    aq.respond(await handleRpcMethod(aq));
-      const ret = await handleRpcMethod(aq);
-      aq.respond(ret);
-    } catch (e: any) {
-      aq.reject((e as Error).message);
-    }
   });
 });
 
-async function handlePresentKey() {
+async function handlePresentSeed() {
   await setup();
-  moduleReadyDefer.resolve();
+  moduleReadyResolve();
 }
 
 async function handleRpcMethod(aq: ActiveQuery) {
-  await moduleReadyDefer.promise;
+  await moduleReady;
-  if (!client.isSynced) {
+  switch (aq.callerInput?.method) {
-    await client.sync();
+    case "eth_accounts":
+    case "eth_requestAccounts": {
+      return [];
     }
-  return client.rpcCall(aq.callerInput?.method, aq.callerInput?.params);
+    case "eth_getBalance": {
+      return client.get_balance(
+        aq.callerInput?.params[0],
+        aq.callerInput?.params[1]
+      );
     }
-
+    case "eth_chainId": {
-async function consensusHandler(method: string, data: any) {
+      return client.chain_id();
-  await rpc.ready;
+    }
-
+    case "eth_blockNumber": {
-  while (true) {
+      return client.get_block_number();
-    let query = await rpc.simpleQuery({
+    }
-      query: {
+    case "eth_getTransactionByHash": {
-        module: "eth",
+      let tx = await client.get_transaction_by_hash(aq.callerInput?.params[0]);
-        method,
+      return mapToObj(tx);
-        data,
+    }
-      },
+    case "eth_getTransactionCount": {
-      options: {
+      return client.get_transaction_count(
-        relayTimeout: 30,
+        aq.callerInput?.params[0],
-        queryTimeout: 30,
+        aq.callerInput?.params[1]
-      },
+      );
-    });
+    }
-
+    case "eth_getBlockTransactionCountByHash": {
-    const ret = await query.result;
+      return client.get_block_transaction_count_by_hash(
-
+        aq.callerInput?.params[0]
-    if (ret.data) {
+      );
-      return ret.data;
+    }
+    case "eth_getBlockTransactionCountByNumber": {
+      return client.get_block_transaction_count_by_number(
+        aq.callerInput?.params[0]
+      );
+    }
+    case "eth_getCode": {
+      return client.get_code(
+        aq.callerInput?.params[0],
+        aq.callerInput?.params[1]
+      );
+    }
+    case "eth_call": {
+      return client.call(aq.callerInput?.params[0], aq.callerInput?.params[1]);
+    }
+    case "eth_estimateGas": {
+      return client.estimate_gas(aq.callerInput?.params[0]);
+    }
+    case "eth_gasPrice": {
+      return client.gas_price();
+    }
+    case "eth_maxPriorityFeePerGas": {
+      return client.max_priority_fee_per_gas();
+    }
+    case "eth_sendRawTransaction": {
+      return client.send_raw_transaction(aq.callerInput?.params[0]);
+    }
+    case "eth_getTransactionReceipt": {
+      return client.get_transaction_receipt(aq.callerInput?.params[0]);
+    }
+    case "eth_getLogs": {
+      return client.get_logs(aq.callerInput?.params[0]);
+    }
+    case "net_version": {
+      return client.chain_id();
     }
   }
 }
 
-async function executionHandler(data: Map<string, string | any>) {
-  await rpc.ready;
-  return await lavanet.query("ETH1", data);
-}
-
 async function setup() {
-  rpc = createRpcClient();
+  rpc = createClient();
-  lavanet = createLavanetClient();
-  await db.open();
-  await rpc.ready;
 
-  client = createEthClient(
+  // @ts-ignore
-    async (args: ConsensusCommitteeUpdateRequest) => {
+  await (
-      const updates = await consensusHandler("consensus_updates", args);
+    await rpc.ready
+  )();
 
-      return updates
+  await init(URL.createObjectURL(new Blob([Buffer.from(wasm, "base64")])));
-        .map((u) => new Uint8Array(Object.values(u)))
+
-        .map((u) => capella.ssz.LightClientUpdate.deserialize(u))
+  (self as any).consensus_rpc_handler = async (
-        .map((u) => capella.ssz.LightClientUpdate.toJson(u));
+    data: Map<string, string | any>
+  ) => {
+    const method = data.get("method");
+    const path = data.get("path");
+
+    let query;
+    let ret: RPCResponse;
+
+    while (true) {
+      query = await rpc.simpleQuery({
+        query: {
+          module: "eth",
+          method: "consensus_request",
+          data: {
+            method,
+            path,
+          } as ConsensusRequest,
         },
-    executionHandler,
+        options: {
-    async () => {
+          relayTimeout: 10,
-      const update = await consensusHandler("consensus_optimistic_update", {});
+          queryTimeout: 10,
-
-      return capella.ssz.LightClientOptimisticUpdate.deserialize(
-        new Uint8Array(Object.values(update)),
-      );
         },
-    log,
-    logErr,
-    500,
-  );
-
-  let lastUpdate = 0;
-
-  client.store.on("set", async (period: number, update: Uint8Array) => {
-    if (period < lastUpdate) {
-      return;
-    }
-    await db.put("latest", update);
-    lastUpdate = period;
       });
 
-  clientInitDefer.resolve();
+      ret = await query.result;
+      if (ret?.data) {
+        break;
+      }
+    }
 
-  let synced = false;
+    if (path.startsWith("/eth/v1/beacon/light_client/updates")) {
+      return JSON.stringify(ret.data);
+    }
 
-  while (!synced) {
+    return JSON.stringify({ data: ret.data });
-    try {
+  };
-      let consensus;
+  (self as any).execution_rpc_handler = async (
-      try {
+    data: Map<string, string | any>
-        consensus = await db.get("latest");
+  ) => {
-      } catch {}
+    const method = data.get("method");
+    let params = data.get("params");
 
-      if (consensus) {
+    params = JSON.parse(params);
-        try {
+
-          await client.syncFromCheckpoint(
+    let query;
-            capella.ssz.LightClientUpdate.deserialize(consensus),
+    let ret: RPCResponse;
-          );
+
-        } catch {
+    while (true) {
+      query = await rpc.simpleQuery({
+        query: {
+          module: "eth",
+          method: "execution_request",
+          data: {
+            method,
+            params,
+          } as ExecutionRequest,
+        },
+      });
+      ret = await query.result;
+
+      if (ret?.data) {
+        break;
+      }
+    }
+
+    return JSON.stringify(ret.data);
+  };
+
+  client = new Client(CHECKPOINT);
   await client.sync();
 }
-      } else {
-        await client.sync();
-      }
-
-      synced = true;
-    } catch (e) {
-      logErr(e.message);
-    }
-  }
-}
 
 async function handleReady(aq: ActiveQuery) {
-  await moduleReadyDefer.promise;
+  await moduleReady;
 
   aq.respond();
 }
 
-async function handleRegister(aq: ActiveQuery) {
+function mapToObj(map: Map<any, any> | undefined): Object | undefined {
-  await networkRegistry.registerNetwork(TYPES);
+  if (!map) return undefined;
 
-  aq.respond();
+  return Array.from(map).reduce((obj: any, [key, value]) => {
-}
+    obj[key] = value;
-
+    return obj;
-async function handleStatus(aq: ActiveQuery) {
+  }, {});
-  await clientInitDefer.promise;
-  let chainProgress = 0;
-
-  const chainProgressListener = (currentUpdate, totalUpdates) => {
-    chainProgress = Math.round((currentUpdate / totalUpdates) * 100) / 100;
-    sendUpdate();
-  };
-
-  const chainSyncedListener = () => {
-    sendUpdate();
-  };
-
-  client.on("update", chainProgressListener);
-  client.on("synced", chainSyncedListener);
-
-  function sendUpdate() {
-    aq.sendUpdate({
-      sync: Math.floor(chainProgress * 100),
-      peers: 1,
-      ready: client.isSynced,
-    });
-  }
-
-  aq.setReceiveUpdate?.(() => {
-    client.off("update", chainProgressListener);
-    client.off("synced", chainSyncedListener);
-    aq.respond();
-  });
-
-  sendUpdate();
-}
-function handleName(aq: ActiveQuery) {
-  aq.respond("Ethereum");
 }

src/types.ts

@@ -0,0 +1,8 @@
+export interface ConsensusRequest extends RequestInit {
+  path: string;
+}
+
+export interface ExecutionRequest {
+  method: string;
+  params: string;
+}

tsconfig.build.json

@@ -0,0 +1,14 @@
+{
+	"compilerOptions": {
+		"target": "esnext",
+		"module": "esnext",
+		"moduleResolution": "node",
+		"allowSyntheticDefaultImports": true,
+		"declaration": true,
+		"outDir": "./dist-build",
+		"strict": true,
+        "esModuleInterop": true
+	},
+	"include": ["src-build"],
+	"exclude": ["node_modules", "**/__tests__/*"]
+}

tsconfig.json

@@ -0,0 +1,13 @@
+{
+	"compilerOptions": {
+		"target": "esnext",
+		"declaration": true,
+		"moduleResolution": "node",
+		"outDir": "./build",
+		"strict": true,
+        "allowSyntheticDefaultImports": true,
+        "esModuleInterop": true
+    },
+	"include": ["src"],
+	"exclude": ["node_modules", "**/__tests__/*"]
+}