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v0.1.0-dev ... v0.0.1

13 changed files with 489 additions and 24967 deletions
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13
.github/workflows/ci.yml vendored
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@ -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

28
.presetterrc.json
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@ -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;"
}
}
}
}

16
CHANGELOG.md
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@ -1,16 +0,0 @@
# [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))

21
LICENSE
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@ -1,21 +0,0 @@
MIT License
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:
The above copyright notice and this permission notice shall be included in all
copies or substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
SOFTWARE.

48
build.js Normal file
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@ -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 {};

24576
npm-shrinkwrap.json generated
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44
package.json
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@ -1,32 +1,30 @@
{ {
"name": "@lumeweb/kernel-eth", "name": "@lumeweb/kernel-eth",
"version": "0.1.0-develop.1", "version": "0.1.0",
"license": "MIT", "license": "MIT",
"type": "module", "type": "module",
"readme": "ERROR: No README data found!",
"repository": {
"type": "git",
"url": "gitea@git.lumeweb.com:LumeWeb/kernel-eth.git"
},
"scripts": { "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": { "dependencies": {
"@lumeweb/bigint-crypto-utils": "1.0.0", "@lumeweb/kernel-rpc-client": "git+https://git.lumeweb.com/LumeWeb/kernel-rpc-client.git",
"@lumeweb/kernel-network-registry-client": "^0.1.0-develop.10", "libkmodule": "^0.2.53",
"@lumeweb/kernel-rpc-client": "0.0.2-develop.17", "yaml": "^2.2.1"
"@lumeweb/libethsync": "0.1.0-develop.61", },
"@lumeweb/libkernel": "0.1.0-develop.66", "devDependencies": {
"level": "^8.0.0", "@lumeweb/interface-relay": "git+https://git.lumeweb.com/LumeWeb/interface-relay.git",
"p-defer": "^4.0.0" "@scure/bip39": "^1.2.0",
"@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"
} }
} }

89
patches/@chainsafe+bls+7.1.1.patch
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@ -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;

218
src-build/build.ts Normal file
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@ -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("");
}

350
src/index.ts
View File

@ -1,47 +1,28 @@
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";
onmessage = handleMessage; 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 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);
[ [
"eth_accounts",
"eth_requestAccounts",
"eth_getBalance", "eth_getBalance",
"eth_chainId", "eth_chainId",
"eth_blockNumber", "eth_blockNumber",
@ -59,191 +40,176 @@ addHandler("ready", handleReady);
"eth_getLogs", "eth_getLogs",
"net_version", "net_version",
].forEach((rpcMethod) => { ].forEach((rpcMethod) => {
addHandler(rpcMethod, async (aq: ActiveQuery) => { addHandler(rpcMethod, (aq: ActiveQuery) => {
aq.callerInput = { aq.callerInput = aq.callerInput || {};
params: aq.callerInput || {}, aq.callerInput.method = rpcMethod;
method: rpcMethod, handleRpcMethod(aq);
};
try {
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(); await setup();
moduleReadyDefer.resolve(); moduleReadyResolve();
} }
async function handleRpcMethod(aq: ActiveQuery) { async function handleRpcMethod(aq: ActiveQuery) {
await moduleReadyDefer.promise; await moduleReady;
if (!client.isSynced) { switch (aq.callerInput?.method) {
await client.sync(); case "eth_getBalance": {
return client.get_balance(
aq.callerInput?.params[0],
aq.callerInput?.params[1]
);
} }
return client.rpcCall(aq.callerInput?.method, aq.callerInput?.params); case "eth_chainId": {
} return client.chain_id();
async function consensusHandler(method: string, data: any) {
await rpc.ready;
while (true) {
let query = await rpc.simpleQuery({
query: {
module: "eth",
method,
data,
},
options: {
relayTimeout: 30,
queryTimeout: 30,
},
});
const ret = await query.result;
if (ret.data) {
return ret.data;
} }
case "eth_blockNumber": {
return client.get_block_number();
} }
} case "eth_getTransactionByHash": {
let tx = await client.get_transaction_by_hash(aq.callerInput?.params[0]);
async function executionHandler(data: Map<string, string | any>) { return mapToObj(tx);
await rpc.ready; }
while (true) { case "eth_getTransactionCount": {
let query = await rpc.simpleQuery({ return client.get_transaction_count(
query: { aq.callerInput?.params[0],
module: "eth", aq.callerInput?.params[1]
method: "execution_request", );
data, }
}, case "eth_getBlockTransactionCountByHash": {
options: { return client.get_block_transaction_count_by_hash(
relayTimeout: 30, aq.callerInput?.params[0]
queryTimeout: 30, );
}, }
}); case "eth_getBlockTransactionCountByNumber": {
return client.get_block_transaction_count_by_number(
let ret = await query.result; aq.callerInput?.params[0]
);
if (ret.data) { }
return ret.data; 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 setup() { async function setup() {
rpc = createRpcClient(); rpc = createClient();
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) {
let synced = false; break;
while (!synced) {
try {
let consensus;
try {
consensus = await db.get("latest");
} catch {}
if (consensus) {
try {
await client.syncFromCheckpoint(
capella.ssz.LightClientUpdate.deserialize(consensus),
);
} catch {
await client.sync();
}
} else {
await client.sync();
}
synced = true;
} catch (e) {
logErr(e.message);
} }
} }
}
async function handleReady(aq: ActiveQuery) { if (path.startsWith("/eth/v1/beacon/light_client/updates")) {
await moduleReadyDefer.promise; return JSON.stringify(ret.data);
}
aq.respond(); return JSON.stringify({ data: ret.data });
} };
(self as any).execution_rpc_handler = async (
data: Map<string, string | any>
) => {
const method = data.get("method");
let params = data.get("params");
async function handleRegister(aq: ActiveQuery) { if (params === "null") {
await networkRegistry.registerNetwork(TYPES); params = null;
}
aq.respond(); let query;
} let ret: RPCResponse;
async function handleStatus(aq: ActiveQuery) { while (true) {
await clientInitDefer.promise; query = await rpc.simpleQuery({
let chainProgress = 0; query: {
module: "eth",
method: "execution_request",
data: {
method,
params,
} as ExecutionRequest,
},
});
ret = await query.result;
const chainProgressListener = (currentUpdate, totalUpdates) => { if (ret?.data) {
chainProgress = Math.round((currentUpdate / totalUpdates) * 100) / 100; break;
sendUpdate(); }
}
return JSON.stringify(ret.data);
}; };
const chainSyncedListener = () => { client = new Client(CHECKPOINT);
sendUpdate(); await client.sync();
};
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"); function mapToObj(map: Map<any, any> | undefined): Object | undefined {
if (!map) return undefined;
return Array.from(map).reduce((obj: any, [key, value]) => {
obj[key] = value;
return obj;
}, {});
} }

8
src/types.ts Normal file
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@ -0,0 +1,8 @@
export interface ConsensusRequest extends RequestInit {
path: string;
}
export interface ExecutionRequest {
method: string;
params: string;
}

14
tsconfig.build.json Normal file
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@ -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__/*"]
}

13
tsconfig.json Normal file
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@ -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__/*"]
}