*Create new version that uses kevlar/patronum light JS client
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GPG Key ID:
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4
build.js
4
build.js
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@ -5,7 +5,7 @@ import path from "path";
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await esbuild.build({
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entryPoints: ["src/index.ts"],
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outfile: "dist/index.js",
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format: "esm",
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format: "iife",
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bundle: true,
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legalComments: "external",
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define: {
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@ -43,6 +43,8 @@ await esbuild.build({
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},
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},
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],
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external: ["fs"],
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inject: ["./polyfill.js"],
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});
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export {};
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33
package.json
33
package.json
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@ -9,22 +9,55 @@
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"build": "npm run compile && node ./dist-build/build.mjs dev"
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},
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"dependencies": {
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"@chainsafe/bls": "^7.1.1",
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"@chainsafe/blst": "^0.2.8",
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"@chainsafe/ssz": "^0.10.2",
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"@ethereumjs/block": "^4.2.1",
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"@ethereumjs/blockchain": "^6.2.1",
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"@ethereumjs/common": "^3.1.1",
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"@ethereumjs/trie": "^5.0.4",
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"@ethereumjs/tx": "^4.1.1",
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"@ethereumjs/util": "^8.0.5",
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"@ethereumjs/vm": "^6.4.1",
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"@lodestar/api": "^1.7.0",
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"@lodestar/config": "^1.7.0",
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"@lodestar/light-client": "^1.7.0",
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"@lodestar/types": "^1.7.0",
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"@lumeweb/kernel-rpc-client": "git+https://git.lumeweb.com/LumeWeb/kernel-rpc-client.git",
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"decimal.js": "^10.4.3",
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"ethers": "^6.2.3",
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"json-rpc-2.0": "^1.5.1",
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"libkmodule": "^0.2.53",
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"lodash": "^4.17.21",
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"path-browserify": "^1.0.1",
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"rlp": "^3.0.0",
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"stream-browserify": "^3.0.0",
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"ts-essentials": "^9.3.1",
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"web3-core": "^1.9.0",
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"web3-core-method": "^1.9.0",
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"web3-eth": "^1.9.0",
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"yaml": "^2.2.1"
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},
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"devDependencies": {
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"@lumeweb/interface-relay": "git+https://git.lumeweb.com/LumeWeb/interface-relay.git",
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"@scure/bip39": "^1.2.0",
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"@skynetlabs/skynet-nodejs": "^2.9.0",
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"@types/lodash": "^4.14.192",
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"@types/node": "^18.15.9",
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"@types/read": "^0.0.29",
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"buffer": "^6.0.3",
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"cli-progress": "^3.12.0",
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"crypto-browserify": "^3.12.0",
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"esbuild": "^0.17.13",
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"esbuild-plugin-wasm": "^1.0.0",
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"prettier": "^2.8.7",
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"process": "^0.11.10",
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"read": "^2.0.0",
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"typescript": "^5.0.2"
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},
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"browser": {
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"crypto": "crypto-browserify",
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"stream": "stream-browserify",
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"path": "path-browserify"
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}
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}
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@ -0,0 +1,5 @@
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import * as process from "process";
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import { Buffer } from "buffer";
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self.process = process;
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self.Buffer = Buffer;
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@ -0,0 +1,316 @@
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import {
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Bytes32,
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ClientConfig,
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ExecutionInfo,
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LightClientUpdate,
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OptimisticUpdate,
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VerifyWithReason,
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} from "./types.js";
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import { getDefaultClientConfig } from "./utils.js";
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import { IProver } from "./interfaces.js";
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import {
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BEACON_SYNC_SUPER_MAJORITY,
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DEFAULT_BATCH_SIZE,
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POLLING_DELAY,
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} from "./constants.js";
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import {
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computeSyncPeriodAtSlot,
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getCurrentSlot,
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} from "@lodestar/light-client/utils";
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import {
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assertValidLightClientUpdate,
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assertValidSignedHeader,
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} from "@lodestar/light-client/validation";
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import { SyncCommitteeFast } from "@lodestar/light-client";
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import bls from "@chainsafe/bls/switchable";
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import { PublicKey } from "@chainsafe/bls/types.js";
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import { fromHexString, toHexString } from "@chainsafe/ssz";
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import { AsyncOrSync } from "ts-essentials";
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import * as altair from "@lodestar/types/altair";
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import * as phase0 from "@lodestar/types/phase0";
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import * as bellatrix from "@lodestar/types/bellatrix";
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import { init } from "@chainsafe/bls/switchable";
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import { VerifyingProvider } from "./rpc/provider.js";
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export default class Client {
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latestCommittee?: Uint8Array[];
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latestPeriod: number = -1;
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latestBlockHash?: string;
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private config: ClientConfig = getDefaultClientConfig();
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private genesisCommittee: Uint8Array[] = this.config.genesis.committee.map(
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(pk) => fromHexString(pk)
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);
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private genesisPeriod = computeSyncPeriodAtSlot(this.config.genesis.slot);
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private genesisTime = this.config.genesis.time;
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private prover: IProver;
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private rpcCallback: Function;
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constructor(prover: IProver, rpcCallback: Function) {
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this.prover = prover;
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this.rpcCallback = rpcCallback;
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}
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private _provider?: VerifyingProvider;
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get provider(): VerifyingProvider {
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return this._provider as VerifyingProvider;
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}
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public get isSynced() {
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return this.latestPeriod === this.getCurrentPeriod();
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}
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public async sync(): Promise<VerifyingProvider> {
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await init("herumi");
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await this._sync();
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if (!this._provider) {
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const { blockhash, blockNumber } = await this.getNextValidExecutionInfo();
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const provider = new VerifyingProvider(
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this.rpcCallback,
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blockNumber,
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blockhash
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);
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this.subscribe((ei) => {
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console.log(
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`Recieved a new blockheader: ${ei.blockNumber} ${ei.blockhash}`
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);
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provider.update(ei.blockhash, ei.blockNumber);
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});
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this._provider = provider;
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}
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return this._provider;
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}
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async syncProver(
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startPeriod: number,
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currentPeriod: number,
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startCommittee: Uint8Array[]
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): Promise<{ syncCommittee: Uint8Array[]; period: number }> {
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for (let period = startPeriod; period < currentPeriod; period += 1) {
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try {
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const update = await this.prover.getSyncUpdate(
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period,
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currentPeriod,
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DEFAULT_BATCH_SIZE
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);
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const validOrCommittee = await this.syncUpdateVerifyGetCommittee(
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startCommittee,
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period,
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update
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);
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if (!(validOrCommittee as boolean)) {
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console.log(`Found invalid update at period(${period})`);
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return {
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syncCommittee: startCommittee,
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period,
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};
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}
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startCommittee = validOrCommittee as Uint8Array[];
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} catch (e) {
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console.error(`failed to fetch sync update for period(${period})`);
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return {
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syncCommittee: startCommittee,
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period,
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};
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}
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}
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return {
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syncCommittee: startCommittee,
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period: currentPeriod,
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};
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}
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// returns the prover info containing the current sync
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public getCurrentPeriod(): number {
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return computeSyncPeriodAtSlot(
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getCurrentSlot(this.config.chainConfig, this.genesisTime)
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);
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}
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public async subscribe(callback: (ei: ExecutionInfo) => AsyncOrSync<void>) {
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setInterval(async () => {
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try {
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console.time("subscribe sync");
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await this._sync();
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const ei = await this.getLatestExecution();
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console.timeEnd("subscribe sync");
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if (ei && ei.blockhash !== this.latestBlockHash) {
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this.latestBlockHash = ei.blockhash;
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return await callback(ei);
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}
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} catch (e) {
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console.error(e);
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}
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}, POLLING_DELAY);
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}
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optimisticUpdateFromJSON(update: any): OptimisticUpdate {
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return altair.ssz.LightClientOptimisticUpdate.fromJson(update);
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}
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async optimisticUpdateVerify(
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committee: Uint8Array[],
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update: OptimisticUpdate
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): Promise<VerifyWithReason> {
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const { attestedHeader: header, syncAggregate } = update;
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const headerBlockRoot = phase0.ssz.BeaconBlockHeader.hashTreeRoot(
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header.beacon
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);
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const committeeFast = this.deserializeSyncCommittee(committee);
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try {
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await assertValidSignedHeader(
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this.config.chainConfig,
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committeeFast,
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syncAggregate,
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headerBlockRoot,
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header.beacon.slot
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);
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} catch (e) {
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return { correct: false, reason: "invalid signatures" };
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}
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const participation =
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syncAggregate.syncCommitteeBits.getTrueBitIndexes().length;
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if (participation < BEACON_SYNC_SUPER_MAJORITY) {
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return { correct: false, reason: "insufficient signatures" };
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}
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return { correct: true };
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}
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public async getNextValidExecutionInfo(
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retry: number = 10
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): Promise<ExecutionInfo> {
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if (retry === 0)
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throw new Error(
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"no valid execution payload found in the given retry limit"
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);
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const ei = await this.getLatestExecution();
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if (ei) return ei;
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// delay for the next slot
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await new Promise((resolve) => setTimeout(resolve, POLLING_DELAY));
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return this.getNextValidExecutionInfo(retry - 1);
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}
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protected async _sync() {
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const currentPeriod = this.getCurrentPeriod();
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if (currentPeriod > this.latestPeriod) {
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this.latestCommittee = await this.syncFromGenesis();
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this.latestPeriod = currentPeriod;
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}
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}
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// committee and prover index of the first honest prover
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protected async syncFromGenesis(): Promise<Uint8Array[]> {
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// get the tree size by currentPeriod - genesisPeriod
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const currentPeriod = this.getCurrentPeriod();
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let startPeriod = this.genesisPeriod;
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let startCommittee = this.genesisCommittee;
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console.log(
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`Sync started from period(${startPeriod}) to period(${currentPeriod})`
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);
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const { syncCommittee, period } = await this.syncProver(
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startPeriod,
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currentPeriod,
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startCommittee
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);
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if (period === currentPeriod) {
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return syncCommittee;
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}
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throw new Error("no honest prover found");
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}
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protected async syncUpdateVerifyGetCommittee(
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prevCommittee: Uint8Array[],
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period: number,
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update: LightClientUpdate
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): Promise<false | Uint8Array[]> {
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const updatePeriod = computeSyncPeriodAtSlot(
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update.attestedHeader.beacon.slot
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);
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if (period !== updatePeriod) {
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console.error(
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`Expected update with period ${period}, but recieved ${updatePeriod}`
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);
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return false;
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}
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const prevCommitteeFast = this.deserializeSyncCommittee(prevCommittee);
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try {
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// check if the update has valid signatures
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await assertValidLightClientUpdate(
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this.config.chainConfig,
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prevCommitteeFast,
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update
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);
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return update.nextSyncCommittee.pubkeys;
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} catch (e) {
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console.error(e);
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return false;
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}
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}
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protected async getLatestExecution(): Promise<ExecutionInfo | null> {
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const updateJSON = await this.prover.callback(
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"/eth/v1/beacon/light_client/optimistic_update"
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);
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const update = this.optimisticUpdateFromJSON(updateJSON);
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const verify = await this.optimisticUpdateVerify(
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this.latestCommittee as Uint8Array[],
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update
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);
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if (!verify.correct) {
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console.error(`Invalid Optimistic Update: ${verify.reason}`);
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return null;
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}
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console.log(
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`Optimistic update verified for slot ${updateJSON.attested_header.beacon.slot}`
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);
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return this.getExecutionFromBlockRoot(
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updateJSON.attested_header.beacon.slot,
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updateJSON.attested_header.beacon.body_root
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);
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}
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protected async getExecutionFromBlockRoot(
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slot: bigint,
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expectedBlockRoot: Bytes32
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): Promise<ExecutionInfo> {
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const res = await this.prover.callback(`/eth/v2/beacon/blocks/${slot}`);
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const blockJSON = res.message.body;
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const block = bellatrix.ssz.BeaconBlockBody.fromJson(blockJSON);
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const blockRoot = toHexString(
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bellatrix.ssz.BeaconBlockBody.hashTreeRoot(block)
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);
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if (blockRoot !== expectedBlockRoot) {
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throw Error(
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`block provided by the beacon chain api doesn't match the expected block root`
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);
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}
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return {
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blockhash: blockJSON.execution_payload.block_hash,
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blockNumber: blockJSON.execution_payload.block_number,
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};
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}
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private deserializeSyncCommittee(
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syncCommittee: Uint8Array[]
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): SyncCommitteeFast {
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const pubkeys = this.deserializePubkeys(syncCommittee);
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return {
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pubkeys,
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aggregatePubkey: bls.PublicKey.aggregate(pubkeys),
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};
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}
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private deserializePubkeys(pubkeys: Uint8Array[]): PublicKey[] {
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return pubkeys.map((pk) => bls.PublicKey.fromBytes(pk));
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}
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}
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@ -0,0 +1,532 @@
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export const BEACON_SYNC_COMMITTEE_SIZE = 512;
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export const mainnetConfig = {
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genesis_time: "1606824023",
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genesis_validator_root:
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"0x4b363db94e286120d76eb905340fdd4e54bfe9f06bf33ff6cf5ad27f511bfe95",
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slot: "6046691",
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committee_pk: [
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"0xac2154953fb292a27604162a2952f95d20b2438acb1d460b0d4ccb5899788b8d33437e38f3434ad87bcb5141f853be70",
|
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"0xac61b1d8baac8251fc13bb71992f7ded3b92a596c37ff616eac136f73f3e0d46bc18dd5a7e3bef23f2b094f78adfe6af",
|
||||
"0x89bd0a7ff808295f7ad77356a20d58252c4cafc38c1bfdf57a6675bacd192a549c80b6c0f0e67fdf647e8f31e5b9cf8d",
|
||||
"0xb2a024a13871b071dec5b6c6cfbdaa5791646cb1f60f2b077dba7d732fcc6d6b806ed7e39af1218a0a6f94892702c953",
|
||||
"0x9983a8af711066bbcc9986db271cc7b41d64a1dfe9fed0593c3d904c9503333b7c23058637ecb94fb5b4769626a4757b",
|
||||
"0x8700b39fc4738816227440f20fd8b22a52d9fa1da598fc1509969073beae34e23fb0f963e1007907b47801ac9b3aa30e",
|
||||
"0x891e56d074bf4500ab2ba55ff77a08eae23009473bea1f8db5a8479246ede43132f2957cff657c97f00b3310ddf6d202",
|
||||
"0xa398b7effac7defb1cf0a17e968de79b8c78deebd8a5b549055ff077c028ff3b7063310e0eb9183f26fb2ce89963aaac",
|
||||
"0x860c7c608d467a81503a6337d058ff2981aa8cc2426f644b896faa57a6ac56627a02be2c3ee4cdddbca85a39f395d439",
|
||||
"0xb3f6f13b1da0e8cb469f5709fb724001319ee0cb80c9f2b39438a696357dc782a63f1189a86e2cb7520badb421f256a2",
|
||||
"0x8870e0b2e695ede2785e6278edd355da579210e84154b5425ccb7eafccee66781f0fe34ce7bac217969b7af51609579c",
|
||||
"0x988255fc7b6802706be2ab708bb9bc8e78ba655640862d84ed37eee3f28489a221079c37bb7656039edfa2982cd719fc",
|
||||
"0x9014f806cc97abfba9a33d0740b236fb8d64d7433a525cef08e1725758e7a0c02beb072d2053873580b4a6104e1df68b",
|
||||
"0xb186fa4fdbabfff3cdb1feb35633e36db451a535427c504fc56a61d3759b3511e665a2020d4fa7387bb7ddaf7a45c173",
|
||||
"0x8511d7d04df823ba159b586f4e0cec92304af11c10ced9a4453e87e65c1e31292e2b972084477b52debbda2be15f5912",
|
||||
"0x972ad915f0f83c933fded9937ab79ef34e1a2932aab1e8dca73c922100033b68f6ee53260feba9aa65bdfcbaa2f2e96d",
|
||||
"0x87081ab9ed37e7f9c901beaeb90eba808134c74d1268011cd589785a8862523913438ecd620fb41958f1dcbf5bc48438",
|
||||
"0xab0f051952cbcbae0a21f38f17ae6e3243a230ce894dcbbb60a8ef1147e9b7590963a68e4e9261fab684b2dbe735cc29",
|
||||
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|
||||
"0x9553f39a170425b4a4e346af3937bec3be30730e446fd387910fd7d64b04d4aeda0de6c35c973ea0d5e9d60397897f9d",
|
||||
"0xb53251df22419f7dc65242488e2f38e0e01aa60412eaa5123e4067ac5d76f20e72d093a838f91539eacfb1c9086a46f7",
|
||||
"0xb549a2984990b3a159b6be06d59c158f43b69cf8acabc035572e1d15c3255c51f8a0f3df788cdfd244e878c055f25ac9",
|
||||
"0xa615712ae4d4fd3ef9723fa09988a44b677beb098fce85bf4ea39a943cc027ba2547ee5ec4143b5f00011916a5f358db",
|
||||
"0x981f4afdc7ca36475fc567de39d62ad202a93350c7b9d09da59dbc1f10d53ef0f9c7095b3a2ac2c86af71938b895cfc5",
|
||||
"0xa8f096db03c9e1e6675bbccb9a26bd202cbea463f9557e3de5b6e08aa15fdc2345a898656fb9077fb32fa30ea69a0e7b",
|
||||
"0x91fae7166f0f4d21e7fba3f7737a7d88b38d472de99dbd61a6b26ec935bba0da282d8b8b9b2c94e7bdf2003b5d354931",
|
||||
"0x8d6354c49b46d287d27c228f7935de94848a2eea7e0ba3d69e24f4569fdc400be68d829e6579b4b39f36cd44cb382dcc",
|
||||
"0xa18219917297c3cfd8341e0b434780b541f19b59f8e0044b42c02b333a5f56441b84db7ae94955a06fa14a0cea39bad7",
|
||||
"0xa72f04ca6876fad40e71fdc530f47483ca634710a8d7b0a26dc31bd4ab9c505860f31891e66ceb0446f2418866c800cf",
|
||||
"0x949eea840f5c350414b8ee59504a3d00b1bcaac456c2e764ac6d12b0ead715f46b10a06d18815942c4c4785e0731a132",
|
||||
"0x9470729bf237acfbcc5df5cb1b843e65db9e9624989a0844857ed40d7514680118acf0eb37520bfc1477232d5aa7fcdf",
|
||||
"0xac92af39f920851830d1cc3bda7753ceb80c66488c8e78c047d16409771fdb267079d31480e1cc908610da8d23b30741",
|
||||
"0xb3cc1b562b5aaa402a33edb28d6154d88692e07ef141e5ea03a39dac3fd2fb4de054214f96a6afc78343549fbcea6572",
|
||||
"0x906908bc424c967b8cf3e982535c62f3fe3d91076f583b5e0f027b5a818a0dfda7d0e46855d4649d598a3985fb4b855a",
|
||||
"0x97742b33610964be65e27ab4f91086559cec5844b1a4ccd15bec47146fe016bbeddf202584e3de33e683a0a16f9ec7ab",
|
||||
"0xac9a17e15a1a280d165746f68581fa62cf4fc93d4d20d95c19de9910c4ff223e0c4d1659e4b3576d6ac0486d75531610",
|
||||
"0x8eb44f5cd5f5681d2c1b0a702ec60d2ffaea1c67e995d1db91f6877d07f5215d057e22d8faa38bb30165588785da22bf",
|
||||
"0xafbc3418dbcf3ed2de7f3a8ea61e545386af1864fafc769d35f41bce9ceb6084b7a5645b3c14dd275fc1fa99313a7847",
|
||||
"0xa1e6d4569fa4c7e907394511063119e952efffd6133e68f6910ab98959aed3e62179561a2516a2260ef6e87c82b4291c",
|
||||
"0xb90e66fac83bd5d155c25a2b0fad4d26648149f4a0a03165b50679286f9cad05241087b2eb2e3be67fec4259c8834ef8",
|
||||
"0x8c37efd274ab046bae70c51b89617b98e3f516a95ecd65f26bcfef889d417f83534d2ecfacce8049b78a7f742cfa7e70",
|
||||
"0x9904023b35c02512c87eb215e13bb2951d099f31de97a3f875ad980d698b5df67fc075b452f6b651ccab46e528bea1a0",
|
||||
"0xb877e7cfc2fd3c423cf314112ec6b46a46387280ad83643eedd5099684fea54f6add99a6007d744af57fcf8792fe71bf",
|
||||
"0x9781d4b1026ec1b492a245957b1f3cafbaae598e19a52a84df68d66c34fffb0e26e2396dd33fa6923f93ee424cb328f7",
|
||||
"0x9309d974712b4f7eee4149edd215f5a3797b2e2f5a470274de67a9cc84284273af55298d2720a1d1551da2034192bc7a",
|
||||
"0x8f69ecdacc5b69f51b7c86c4034535cecf71325b4ee701d1df7386558cb22dbed2f0b0ea46708fe7299edfd87ad538e8",
|
||||
"0x87bbd9dbb43e5f563efe01f5078dc41f11649649959513272db71cf7ecd2fcd56505ad41662f176834c689c575c83771",
|
||||
"0xb62c985584ff5e6f37e4e3df1ed689af83cfbb8e1cb84512ce9c86cd3feeefb03cc7d8cc95626ad4d4401dd8cc7cbb4b",
|
||||
],
|
||||
};
|
||||
|
||||
export const BEACON_SYNC_SUPER_MAJORITY = Math.ceil(
|
||||
(BEACON_SYNC_COMMITTEE_SIZE * 2) / 3
|
||||
);
|
||||
|
||||
// These are the rough numbers from benchmark experiments
|
||||
export const DEFAULT_BATCH_SIZE = 200;
|
||||
export const DEFAULT_TREE_DEGREE = 200;
|
||||
|
||||
export const POLLING_DELAY = 13 * 1000; //13s (slightly higher than the slot time)
|
||||
|
|
@ -0,0 +1,5 @@
|
|||
import Client from "./client.js";
|
||||
import Prover from "./prover.js";
|
||||
|
||||
export { Client, Prover };
|
||||
export { VerifyingProvider } from "./rpc/index.js";
|
||||
|
|
@ -0,0 +1,11 @@
|
|||
import { AsyncOrSync } from "ts-essentials";
|
||||
import { LightClientUpdate } from "./types.js";
|
||||
|
||||
export interface IProver {
|
||||
get callback(): Function;
|
||||
getSyncUpdate(
|
||||
period: number,
|
||||
currentPeriod: number,
|
||||
cacheCount: number
|
||||
): AsyncOrSync<LightClientUpdate>;
|
||||
}
|
||||
|
|
@ -0,0 +1,42 @@
|
|||
import * as altair from "@lodestar/types/altair";
|
||||
import { IProver } from "./interfaces.js";
|
||||
import { LightClientUpdate } from "./types.js";
|
||||
|
||||
export default class Prover implements IProver {
|
||||
cachedSyncUpdate: Map<number, LightClientUpdate> = new Map();
|
||||
|
||||
constructor(callback: Function) {
|
||||
this._callback = callback;
|
||||
}
|
||||
|
||||
private _callback: Function;
|
||||
|
||||
get callback(): Function {
|
||||
return this._callback;
|
||||
}
|
||||
|
||||
async _getSyncUpdates(
|
||||
startPeriod: number,
|
||||
maxCount: number
|
||||
): Promise<LightClientUpdate[]> {
|
||||
const res = await this._callback(
|
||||
`/eth/v1/beacon/light_client/updates?start_period=${startPeriod}&count=${maxCount}`
|
||||
);
|
||||
return res.map((u: any) => altair.ssz.LightClientUpdate.fromJson(u.data));
|
||||
}
|
||||
|
||||
async getSyncUpdate(
|
||||
period: number,
|
||||
currentPeriod: number,
|
||||
cacheCount: number
|
||||
): Promise<LightClientUpdate> {
|
||||
const _cacheCount = Math.min(currentPeriod - period + 1, cacheCount);
|
||||
if (!this.cachedSyncUpdate.has(period)) {
|
||||
const vals = await this._getSyncUpdates(period, _cacheCount);
|
||||
for (let i = 0; i < _cacheCount; i++) {
|
||||
this.cachedSyncUpdate.set(period + i, vals[i]);
|
||||
}
|
||||
}
|
||||
return this.cachedSyncUpdate.get(period)!;
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,10 @@
|
|||
export const ZERO_ADDR = '0x0000000000000000000000000000000000000000';
|
||||
// TODO: set the correct gas limit!
|
||||
export const GAS_LIMIT = '0x1c9c380';
|
||||
export const REQUEST_BATCH_SIZE = 10;
|
||||
export const MAX_SOCKET = 10;
|
||||
export const EMPTY_ACCOUNT_EXTCODEHASH =
|
||||
'0xc5d2460186f7233c927e7db2dcc703c0e500b653ca82273b7bfad8045d85a470';
|
||||
export const MAX_BLOCK_HISTORY = BigInt(256);
|
||||
export const MAX_BLOCK_FUTURE = BigInt(3);
|
||||
export const DEFAULT_BLOCK_PARAMETER = 'latest';
|
||||
|
|
@ -0,0 +1,13 @@
|
|||
import { JSONRPCErrorCode, JSONRPCErrorException } from 'json-rpc-2.0';
|
||||
|
||||
export class InternalError extends JSONRPCErrorException {
|
||||
constructor(message: string) {
|
||||
super(message, JSONRPCErrorCode.InternalError);
|
||||
}
|
||||
}
|
||||
|
||||
export class InvalidParamsError extends JSONRPCErrorException {
|
||||
constructor(message: string) {
|
||||
super(message, JSONRPCErrorCode.InvalidParams);
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1 @@
|
|||
export { VerifyingProvider } from "./provider.js";
|
||||
|
|
@ -0,0 +1,699 @@
|
|||
import _ from "lodash";
|
||||
import { Trie } from "@ethereumjs/trie";
|
||||
import rlp from "rlp";
|
||||
import { Common, Chain } from "@ethereumjs/common";
|
||||
import {
|
||||
Address,
|
||||
Account,
|
||||
toType,
|
||||
bufferToHex,
|
||||
toBuffer,
|
||||
TypeOutput,
|
||||
setLengthLeft,
|
||||
KECCAK256_NULL_S,
|
||||
} from "@ethereumjs/util";
|
||||
import { VM } from "@ethereumjs/vm";
|
||||
import { BlockHeader, Block } from "@ethereumjs/block";
|
||||
import { Blockchain } from "@ethereumjs/blockchain";
|
||||
import { TransactionFactory } from "@ethereumjs/tx";
|
||||
import {
|
||||
AddressHex,
|
||||
Bytes32,
|
||||
RPCTx,
|
||||
AccountResponse,
|
||||
CodeResponse,
|
||||
Bytes,
|
||||
BlockNumber as BlockOpt,
|
||||
HexString,
|
||||
JSONRPCReceipt,
|
||||
AccessList,
|
||||
GetProof,
|
||||
} from "./types.js";
|
||||
import {
|
||||
ZERO_ADDR,
|
||||
MAX_BLOCK_HISTORY,
|
||||
MAX_BLOCK_FUTURE,
|
||||
DEFAULT_BLOCK_PARAMETER,
|
||||
} from "./constants.js";
|
||||
import { headerDataFromWeb3Response, blockDataFromWeb3Response } from "./utils";
|
||||
|
||||
import { keccak256 } from "ethers";
|
||||
import { InternalError, InvalidParamsError } from "./errors.js";
|
||||
import { RPC } from "./rpc.js";
|
||||
|
||||
const bigIntToHex = (n: string | bigint | number): string =>
|
||||
"0x" + BigInt(n).toString(16);
|
||||
|
||||
const emptyAccountSerialize = new Account().serialize();
|
||||
export class VerifyingProvider {
|
||||
private rpc;
|
||||
common: Common;
|
||||
vm: VM | null = null;
|
||||
|
||||
private blockHashes: { [blockNumberHex: string]: Bytes32 } = {};
|
||||
private blockPromises: {
|
||||
[blockNumberHex: string]: { promise: Promise<void>; resolve: () => void };
|
||||
} = {};
|
||||
private blockHeaders: { [blockHash: string]: BlockHeader } = {};
|
||||
private latestBlockNumber: bigint;
|
||||
|
||||
private _methods: Map<string, Function> = new Map<string, Function>(
|
||||
Object.entries({
|
||||
eth_getBalance: this.getBalance,
|
||||
eth_blockNumber: this.blockNumber,
|
||||
eth_chainId: this.chainId,
|
||||
eth_getCode: this.getCode,
|
||||
eth_getTransactionCount: this.getTransactionCount,
|
||||
eth_call: this.call,
|
||||
eth_estimateGas: this.estimateGas,
|
||||
eth_sendRawTransaction: this.sendRawTransaction,
|
||||
eth_getTransactionReceipt: this.getTransactionReceipt,
|
||||
})
|
||||
);
|
||||
|
||||
constructor(
|
||||
rpcCallback: Function,
|
||||
blockNumber: bigint | number,
|
||||
blockHash: Bytes32,
|
||||
chain: bigint | Chain = Chain.Mainnet
|
||||
) {
|
||||
this.rpc = new RPC(rpcCallback);
|
||||
this.common = new Common({
|
||||
chain,
|
||||
});
|
||||
const _blockNumber = BigInt(blockNumber);
|
||||
this.latestBlockNumber = _blockNumber;
|
||||
this.blockHashes[bigIntToHex(_blockNumber)] = blockHash;
|
||||
}
|
||||
|
||||
update(blockHash: Bytes32, blockNumber: bigint) {
|
||||
const blockNumberHex = bigIntToHex(blockNumber);
|
||||
if (
|
||||
blockNumberHex in this.blockHashes &&
|
||||
this.blockHashes[blockNumberHex] !== blockHash
|
||||
) {
|
||||
console.log(
|
||||
"Overriding an existing verified blockhash. Possibly the chain had a reorg"
|
||||
);
|
||||
}
|
||||
const latestBlockNumber = this.latestBlockNumber;
|
||||
this.latestBlockNumber = blockNumber;
|
||||
this.blockHashes[blockNumberHex] = blockHash;
|
||||
if (blockNumber > latestBlockNumber) {
|
||||
for (let b = latestBlockNumber + BigInt(1); b <= blockNumber; b++) {
|
||||
const bHex = bigIntToHex(b);
|
||||
if (bHex in this.blockPromises) {
|
||||
this.blockPromises[bHex].resolve();
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
public async rpcMethod(method: string, params: any) {
|
||||
if (this._methods.has(method)) {
|
||||
return this._methods.get(method)?.bind(this)(...params);
|
||||
}
|
||||
|
||||
throw new Error("method not found");
|
||||
}
|
||||
|
||||
private async getBalance(
|
||||
addressHex: AddressHex,
|
||||
blockOpt: BlockOpt = DEFAULT_BLOCK_PARAMETER
|
||||
) {
|
||||
const header = await this.getBlockHeader(blockOpt);
|
||||
const address = Address.fromString(addressHex);
|
||||
const { result: proof, success } = await this.rpc.request({
|
||||
method: "eth_getProof",
|
||||
params: [addressHex, [], bigIntToHex(header.number)],
|
||||
});
|
||||
if (!success) {
|
||||
throw new InternalError(`RPC request failed`);
|
||||
}
|
||||
const isAccountCorrect = await this.verifyProof(
|
||||
address,
|
||||
[],
|
||||
header.stateRoot,
|
||||
proof
|
||||
);
|
||||
if (!isAccountCorrect) {
|
||||
throw new InternalError("Invalid account proof provided by the RPC");
|
||||
}
|
||||
|
||||
return bigIntToHex(proof.balance);
|
||||
}
|
||||
|
||||
private async blockNumber(): Promise<HexString> {
|
||||
return bigIntToHex(this.latestBlockNumber);
|
||||
}
|
||||
|
||||
private async chainId(): Promise<HexString> {
|
||||
return bigIntToHex(this.common.chainId());
|
||||
}
|
||||
|
||||
private async getCode(
|
||||
addressHex: AddressHex,
|
||||
blockOpt: BlockOpt = DEFAULT_BLOCK_PARAMETER
|
||||
): Promise<HexString> {
|
||||
const header = await this.getBlockHeader(blockOpt);
|
||||
const res = await this.rpc.requestBatch([
|
||||
{
|
||||
method: "eth_getProof",
|
||||
params: [addressHex, [], bigIntToHex(header.number)],
|
||||
},
|
||||
{
|
||||
method: "eth_getCode",
|
||||
params: [addressHex, bigIntToHex(header.number)],
|
||||
},
|
||||
]);
|
||||
|
||||
if (res.some((r) => !r.success)) {
|
||||
throw new InternalError(`RPC request failed`);
|
||||
}
|
||||
const [accountProof, code] = [res[0].result, res[1].result];
|
||||
|
||||
const address = Address.fromString(addressHex);
|
||||
const isAccountCorrect = await this.verifyProof(
|
||||
address,
|
||||
[],
|
||||
header.stateRoot,
|
||||
accountProof
|
||||
);
|
||||
if (!isAccountCorrect) {
|
||||
throw new InternalError(`invalid account proof provided by the RPC`);
|
||||
}
|
||||
|
||||
const isCodeCorrect = await this.verifyCodeHash(
|
||||
code,
|
||||
accountProof.codeHash
|
||||
);
|
||||
if (!isCodeCorrect) {
|
||||
throw new InternalError(
|
||||
`code provided by the RPC doesn't match the account's codeHash`
|
||||
);
|
||||
}
|
||||
|
||||
return code;
|
||||
}
|
||||
|
||||
private async getTransactionCount(
|
||||
addressHex: AddressHex,
|
||||
blockOpt: BlockOpt = DEFAULT_BLOCK_PARAMETER
|
||||
): Promise<HexString> {
|
||||
const header = await this.getBlockHeader(blockOpt);
|
||||
const address = Address.fromString(addressHex);
|
||||
const { result: proof, success } = await this.rpc.request({
|
||||
method: "eth_getProof",
|
||||
params: [addressHex, [], bigIntToHex(header.number)],
|
||||
});
|
||||
if (!success) {
|
||||
throw new InternalError(`RPC request failed`);
|
||||
}
|
||||
|
||||
const isAccountCorrect = await this.verifyProof(
|
||||
address,
|
||||
[],
|
||||
header.stateRoot,
|
||||
proof
|
||||
);
|
||||
if (!isAccountCorrect) {
|
||||
throw new InternalError(`invalid account proof provided by the RPC`);
|
||||
}
|
||||
|
||||
return bigIntToHex(proof.nonce.toString());
|
||||
}
|
||||
|
||||
private async call(
|
||||
transaction: RPCTx,
|
||||
blockOpt: BlockOpt = DEFAULT_BLOCK_PARAMETER
|
||||
) {
|
||||
try {
|
||||
this.validateTx(transaction);
|
||||
} catch (e: any) {
|
||||
throw new InvalidParamsError((e as Error).message);
|
||||
}
|
||||
|
||||
const header = await this.getBlockHeader(blockOpt);
|
||||
const vm = await this.getVM(transaction, header);
|
||||
const {
|
||||
from,
|
||||
to,
|
||||
gas: gasLimit,
|
||||
gasPrice,
|
||||
maxPriorityFeePerGas,
|
||||
value,
|
||||
data,
|
||||
} = transaction;
|
||||
|
||||
try {
|
||||
const runCallOpts = {
|
||||
caller: from ? Address.fromString(from) : undefined,
|
||||
to: to ? Address.fromString(to) : undefined,
|
||||
gasLimit: toType(gasLimit, TypeOutput.BigInt),
|
||||
gasPrice: toType(gasPrice || maxPriorityFeePerGas, TypeOutput.BigInt),
|
||||
value: toType(value, TypeOutput.BigInt),
|
||||
data: data ? toBuffer(data) : undefined,
|
||||
block: { header },
|
||||
};
|
||||
const { execResult } = await vm.evm.runCall(runCallOpts);
|
||||
|
||||
return bufferToHex(execResult.returnValue);
|
||||
} catch (error: any) {
|
||||
throw new InternalError(error.message.toString());
|
||||
}
|
||||
}
|
||||
|
||||
private async estimateGas(
|
||||
transaction: RPCTx,
|
||||
blockOpt: BlockOpt = DEFAULT_BLOCK_PARAMETER
|
||||
) {
|
||||
try {
|
||||
this.validateTx(transaction);
|
||||
} catch (e) {
|
||||
throw new InvalidParamsError((e as Error).message);
|
||||
}
|
||||
const header = await this.getBlockHeader(blockOpt);
|
||||
|
||||
if (transaction.gas == undefined) {
|
||||
// If no gas limit is specified use the last block gas limit as an upper bound.
|
||||
transaction.gas = bigIntToHex(header.gasLimit);
|
||||
}
|
||||
|
||||
const txType = BigInt(
|
||||
transaction.maxFeePerGas || transaction.maxPriorityFeePerGas
|
||||
? 2
|
||||
: transaction.accessList
|
||||
? 1
|
||||
: 0
|
||||
);
|
||||
if (txType == BigInt(2)) {
|
||||
transaction.maxFeePerGas =
|
||||
transaction.maxFeePerGas || bigIntToHex(header.baseFeePerGas!);
|
||||
} else {
|
||||
if (
|
||||
transaction.gasPrice == undefined ||
|
||||
BigInt(transaction.gasPrice) === BigInt(0)
|
||||
) {
|
||||
transaction.gasPrice = bigIntToHex(header.baseFeePerGas!);
|
||||
}
|
||||
}
|
||||
|
||||
const txData = {
|
||||
...transaction,
|
||||
type: bigIntToHex(txType),
|
||||
gasLimit: transaction.gas,
|
||||
};
|
||||
const tx = TransactionFactory.fromTxData(txData, {
|
||||
common: this.common,
|
||||
freeze: false,
|
||||
});
|
||||
|
||||
const vm = await this.getVM(transaction, header);
|
||||
|
||||
// set from address
|
||||
const from = transaction.from
|
||||
? Address.fromString(transaction.from)
|
||||
: Address.zero();
|
||||
tx.getSenderAddress = () => {
|
||||
return from;
|
||||
};
|
||||
|
||||
try {
|
||||
const { totalGasSpent } = await vm.runTx({
|
||||
tx,
|
||||
skipNonce: true,
|
||||
skipBalance: true,
|
||||
skipBlockGasLimitValidation: true,
|
||||
block: { header } as any,
|
||||
});
|
||||
return bigIntToHex(totalGasSpent);
|
||||
} catch (error: any) {
|
||||
throw new InternalError(error.message.toString());
|
||||
}
|
||||
}
|
||||
|
||||
private async sendRawTransaction(signedTx: string): Promise<string> {
|
||||
// TODO: brodcast tx directly to the mem pool?
|
||||
const { success } = await this.rpc.request({
|
||||
method: "eth_sendRawTransaction",
|
||||
params: [signedTx],
|
||||
});
|
||||
|
||||
if (!success) {
|
||||
throw new InternalError(`RPC request failed`);
|
||||
}
|
||||
|
||||
const tx = TransactionFactory.fromSerializedData(toBuffer(signedTx), {
|
||||
common: this.common,
|
||||
});
|
||||
return bufferToHex(tx.hash());
|
||||
}
|
||||
|
||||
private async getTransactionReceipt(
|
||||
txHash: Bytes32
|
||||
): Promise<JSONRPCReceipt | null> {
|
||||
const { result: receipt, success } = await this.rpc.request({
|
||||
method: "eth_getTransactionReceipt",
|
||||
params: [txHash],
|
||||
});
|
||||
if (!(success && receipt)) {
|
||||
return null;
|
||||
}
|
||||
const header = await this.getBlockHeader(receipt.blockNumber);
|
||||
const block = await this.getBlock(header);
|
||||
const index = block.transactions.findIndex(
|
||||
(tx) => bufferToHex(tx.hash()) === txHash.toLowerCase()
|
||||
);
|
||||
if (index === -1) {
|
||||
throw new InternalError("the recipt provided by the RPC is invalid");
|
||||
}
|
||||
const tx = block.transactions[index];
|
||||
|
||||
return {
|
||||
transactionHash: txHash,
|
||||
transactionIndex: bigIntToHex(index),
|
||||
blockHash: bufferToHex(block.hash()),
|
||||
blockNumber: bigIntToHex(block.header.number),
|
||||
from: tx.getSenderAddress().toString(),
|
||||
to: tx.to?.toString() ?? null,
|
||||
cumulativeGasUsed: "0x0",
|
||||
effectiveGasPrice: "0x0",
|
||||
gasUsed: "0x0",
|
||||
contractAddress: null,
|
||||
logs: [],
|
||||
logsBloom: "0x0",
|
||||
status: BigInt(receipt.status) ? "0x1" : "0x0", // unverified!!
|
||||
};
|
||||
}
|
||||
|
||||
private async getVMCopy(): Promise<VM> {
|
||||
if (this.vm === null) {
|
||||
const blockchain = await Blockchain.create({ common: this.common });
|
||||
// path the blockchain to return the correct blockhash
|
||||
(blockchain as any).getBlock = async (blockId: number) => {
|
||||
const _hash = toBuffer(await this.getBlockHash(BigInt(blockId)));
|
||||
return {
|
||||
hash: () => _hash,
|
||||
};
|
||||
};
|
||||
this.vm = await VM.create({ common: this.common, blockchain });
|
||||
}
|
||||
return await this.vm!.copy();
|
||||
}
|
||||
|
||||
private async getVM(tx: RPCTx, header: BlockHeader): Promise<VM> {
|
||||
// forcefully set gasPrice to 0 to avoid not enough balance error
|
||||
const _tx = {
|
||||
to: tx.to,
|
||||
from: tx.from ? tx.from : ZERO_ADDR,
|
||||
data: tx.data,
|
||||
value: tx.value,
|
||||
gasPrice: "0x0",
|
||||
gas: tx.gas ? tx.gas : bigIntToHex(header.gasLimit!),
|
||||
};
|
||||
const { result, success } = await this.rpc.request({
|
||||
method: "eth_createAccessList",
|
||||
params: [_tx, bigIntToHex(header.number)],
|
||||
});
|
||||
|
||||
if (!success) {
|
||||
throw new InternalError(`RPC request failed`);
|
||||
}
|
||||
|
||||
const accessList = result.accessList as AccessList;
|
||||
accessList.push({ address: _tx.from, storageKeys: [] });
|
||||
if (_tx.to && !accessList.some((a) => a.address.toLowerCase() === _tx.to)) {
|
||||
accessList.push({ address: _tx.to, storageKeys: [] });
|
||||
}
|
||||
|
||||
const vm = await this.getVMCopy();
|
||||
await vm.stateManager.checkpoint();
|
||||
|
||||
const requests = accessList
|
||||
.map((access) => {
|
||||
return [
|
||||
{
|
||||
method: "eth_getProof",
|
||||
params: [
|
||||
access.address,
|
||||
access.storageKeys,
|
||||
bigIntToHex(header.number),
|
||||
],
|
||||
},
|
||||
{
|
||||
method: "eth_getCode",
|
||||
params: [access.address, bigIntToHex(header.number)],
|
||||
},
|
||||
];
|
||||
})
|
||||
.flat();
|
||||
const rawResponse = await this.rpc.requestBatch(requests);
|
||||
if (rawResponse.some((r: any) => !r.success)) {
|
||||
throw new InternalError(`RPC request failed`);
|
||||
}
|
||||
const responses = _.chunk(
|
||||
rawResponse.map((r: any) => r.result),
|
||||
2
|
||||
) as [AccountResponse, CodeResponse][];
|
||||
|
||||
for (let i = 0; i < accessList.length; i++) {
|
||||
const { address: addressHex, storageKeys } = accessList[i];
|
||||
const [accountProof, code] = responses[i];
|
||||
const {
|
||||
nonce,
|
||||
balance,
|
||||
codeHash,
|
||||
storageProof: storageAccesses,
|
||||
} = accountProof;
|
||||
const address = Address.fromString(addressHex);
|
||||
|
||||
const isAccountCorrect = await this.verifyProof(
|
||||
address,
|
||||
storageKeys,
|
||||
header.stateRoot,
|
||||
accountProof
|
||||
);
|
||||
if (!isAccountCorrect) {
|
||||
throw new InternalError(`invalid account proof provided by the RPC`);
|
||||
}
|
||||
|
||||
const isCodeCorrect = await this.verifyCodeHash(code, codeHash);
|
||||
if (!isCodeCorrect) {
|
||||
throw new InternalError(
|
||||
`code provided by the RPC doesn't match the account's codeHash`
|
||||
);
|
||||
}
|
||||
|
||||
const account = Account.fromAccountData({
|
||||
nonce: BigInt(nonce),
|
||||
balance: BigInt(balance),
|
||||
codeHash,
|
||||
});
|
||||
|
||||
await vm.stateManager.putAccount(address, account);
|
||||
|
||||
for (let storageAccess of storageAccesses) {
|
||||
await vm.stateManager.putContractStorage(
|
||||
address,
|
||||
setLengthLeft(toBuffer(storageAccess.key), 32),
|
||||
setLengthLeft(toBuffer(storageAccess.value), 32)
|
||||
);
|
||||
}
|
||||
|
||||
if (code !== "0x")
|
||||
await vm.stateManager.putContractCode(address, toBuffer(code));
|
||||
}
|
||||
await vm.stateManager.commit();
|
||||
return vm;
|
||||
}
|
||||
private async getBlockHeader(blockOpt: BlockOpt): Promise<BlockHeader> {
|
||||
const blockNumber = this.getBlockNumberByBlockOpt(blockOpt);
|
||||
await this.waitForBlockNumber(blockNumber);
|
||||
const blockHash = await this.getBlockHash(blockNumber);
|
||||
return this.getBlockHeaderByHash(blockHash);
|
||||
}
|
||||
private getBlockNumberByBlockOpt(blockOpt: BlockOpt): bigint {
|
||||
// TODO: add support for blockOpts below
|
||||
if (
|
||||
typeof blockOpt === "string" &&
|
||||
["pending", "earliest", "finalized", "safe"].includes(blockOpt)
|
||||
) {
|
||||
throw new InvalidParamsError(`"pending" is not yet supported`);
|
||||
} else if (blockOpt === "latest") {
|
||||
return this.latestBlockNumber;
|
||||
} else {
|
||||
const blockNumber = BigInt(blockOpt as any);
|
||||
if (blockNumber > this.latestBlockNumber + MAX_BLOCK_FUTURE) {
|
||||
throw new InvalidParamsError("specified block is too far in future");
|
||||
} else if (blockNumber + MAX_BLOCK_HISTORY < this.latestBlockNumber) {
|
||||
throw new InvalidParamsError(
|
||||
`specified block cannot older that ${MAX_BLOCK_HISTORY}`
|
||||
);
|
||||
}
|
||||
return blockNumber;
|
||||
}
|
||||
}
|
||||
private async waitForBlockNumber(blockNumber: bigint) {
|
||||
if (blockNumber <= this.latestBlockNumber) return;
|
||||
console.log(`waiting for blockNumber ${blockNumber}`);
|
||||
const blockNumberHex = bigIntToHex(blockNumber);
|
||||
if (!(blockNumberHex in this.blockPromises)) {
|
||||
let r: () => void = () => {};
|
||||
const p = new Promise<void>((resolve) => {
|
||||
r = resolve;
|
||||
});
|
||||
this.blockPromises[blockNumberHex] = {
|
||||
promise: p,
|
||||
resolve: r,
|
||||
};
|
||||
}
|
||||
return this.blockPromises[blockNumberHex].promise;
|
||||
}
|
||||
|
||||
private async getBlockHeaderByHash(blockHash: Bytes32) {
|
||||
if (!this.blockHeaders[blockHash]) {
|
||||
const { result: blockInfo, success } = await this.rpc.request({
|
||||
method: "eth_getBlockByHash",
|
||||
params: [blockHash, true],
|
||||
});
|
||||
|
||||
if (!success) {
|
||||
throw new InternalError(`RPC request failed`);
|
||||
}
|
||||
|
||||
const headerData = headerDataFromWeb3Response(blockInfo);
|
||||
const header = BlockHeader.fromHeaderData(headerData);
|
||||
|
||||
if (!header.hash().equals(toBuffer(blockHash))) {
|
||||
throw new InternalError(
|
||||
`blockhash doesn't match the blockInfo provided by the RPC`
|
||||
);
|
||||
}
|
||||
this.blockHeaders[blockHash] = header;
|
||||
}
|
||||
return this.blockHeaders[blockHash];
|
||||
}
|
||||
|
||||
private async verifyProof(
|
||||
address: Address,
|
||||
storageKeys: Bytes32[],
|
||||
stateRoot: Buffer,
|
||||
proof: GetProof
|
||||
): Promise<boolean> {
|
||||
const trie = new Trie();
|
||||
const key = keccak256(address.toString());
|
||||
const expectedAccountRLP = await trie.verifyProof(
|
||||
stateRoot,
|
||||
toBuffer(key),
|
||||
proof.accountProof.map((a) => toBuffer(a))
|
||||
);
|
||||
const account = Account.fromAccountData({
|
||||
nonce: BigInt(proof.nonce),
|
||||
balance: BigInt(proof.balance),
|
||||
storageRoot: proof.storageHash,
|
||||
codeHash: proof.codeHash,
|
||||
});
|
||||
const isAccountValid = account
|
||||
.serialize()
|
||||
.equals(expectedAccountRLP ? expectedAccountRLP : emptyAccountSerialize);
|
||||
if (!isAccountValid) return false;
|
||||
|
||||
for (let i = 0; i < storageKeys.length; i++) {
|
||||
const sp = proof.storageProof[i];
|
||||
const key = keccak256(
|
||||
bufferToHex(setLengthLeft(toBuffer(storageKeys[i]), 32))
|
||||
);
|
||||
const expectedStorageRLP = await trie.verifyProof(
|
||||
toBuffer(proof.storageHash),
|
||||
toBuffer(key),
|
||||
sp.proof.map((a) => toBuffer(a))
|
||||
);
|
||||
const isStorageValid =
|
||||
(!expectedStorageRLP && sp.value === "0x0") ||
|
||||
(!!expectedStorageRLP &&
|
||||
expectedStorageRLP.equals(Buffer.from(rlp.encode(sp.value))));
|
||||
if (!isStorageValid) return false;
|
||||
}
|
||||
|
||||
return true;
|
||||
}
|
||||
private verifyCodeHash(code: Bytes, codeHash: Bytes32): boolean {
|
||||
return (
|
||||
(code === "0x" && codeHash === "0x" + KECCAK256_NULL_S) ||
|
||||
keccak256(code) === codeHash
|
||||
);
|
||||
}
|
||||
|
||||
private validateTx(tx: RPCTx) {
|
||||
if (tx.gasPrice !== undefined && tx.maxFeePerGas !== undefined) {
|
||||
throw new Error("Cannot send both gasPrice and maxFeePerGas params");
|
||||
}
|
||||
|
||||
if (tx.gasPrice !== undefined && tx.maxPriorityFeePerGas !== undefined) {
|
||||
throw new Error("Cannot send both gasPrice and maxPriorityFeePerGas");
|
||||
}
|
||||
|
||||
if (
|
||||
tx.maxFeePerGas !== undefined &&
|
||||
tx.maxPriorityFeePerGas !== undefined &&
|
||||
BigInt(tx.maxPriorityFeePerGas) > BigInt(tx.maxFeePerGas)
|
||||
) {
|
||||
throw new Error(
|
||||
`maxPriorityFeePerGas (${tx.maxPriorityFeePerGas.toString()}) is bigger than maxFeePerGas (${tx.maxFeePerGas.toString()})`
|
||||
);
|
||||
}
|
||||
}
|
||||
private async getBlock(header: BlockHeader) {
|
||||
const { result: blockInfo, success } = await this.rpc.request({
|
||||
method: "eth_getBlockByNumber",
|
||||
params: [bigIntToHex(header.number), true],
|
||||
});
|
||||
|
||||
if (!success) {
|
||||
throw new InternalError(`RPC request failed`);
|
||||
}
|
||||
// TODO: add support for uncle headers; First fetch all the uncles
|
||||
// add it to the blockData, verify the uncles and use it
|
||||
const blockData = blockDataFromWeb3Response(blockInfo);
|
||||
const block = Block.fromBlockData(blockData, { common: this.common });
|
||||
|
||||
if (!block.header.hash().equals(header.hash())) {
|
||||
throw new InternalError(
|
||||
`BN(${header.number}): blockhash doest match the blockData provided by the RPC`
|
||||
);
|
||||
}
|
||||
|
||||
if (!(await block.validateTransactionsTrie())) {
|
||||
throw new InternalError(
|
||||
`transactionTree doesn't match the transactions provided by the RPC`
|
||||
);
|
||||
}
|
||||
|
||||
return block;
|
||||
}
|
||||
|
||||
private async getBlockHash(blockNumber: bigint) {
|
||||
if (blockNumber > this.latestBlockNumber)
|
||||
throw new Error("cannot return blockhash for a blocknumber in future");
|
||||
// TODO: fetch the blockHeader is batched request
|
||||
let lastVerifiedBlockNumber = this.latestBlockNumber;
|
||||
while (lastVerifiedBlockNumber > blockNumber) {
|
||||
const hash = this.blockHashes[bigIntToHex(lastVerifiedBlockNumber)];
|
||||
const header = await this.getBlockHeaderByHash(hash);
|
||||
lastVerifiedBlockNumber--;
|
||||
const parentBlockHash = bufferToHex(header.parentHash);
|
||||
const parentBlockNumberHex = bigIntToHex(lastVerifiedBlockNumber);
|
||||
if (
|
||||
parentBlockNumberHex in this.blockHashes &&
|
||||
this.blockHashes[parentBlockNumberHex] !== parentBlockHash
|
||||
) {
|
||||
console.log(
|
||||
"Overriding an existing verified blockhash. Possibly the chain had a reorg"
|
||||
);
|
||||
}
|
||||
this.blockHashes[parentBlockNumberHex] = parentBlockHash;
|
||||
}
|
||||
|
||||
return this.blockHashes[bigIntToHex(blockNumber)];
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,81 @@
|
|||
export type RPCRequest = {
|
||||
method: string;
|
||||
params: any[];
|
||||
};
|
||||
|
||||
export type RPCRequestRaw = RPCRequest & {
|
||||
jsonrpc: string;
|
||||
id: string;
|
||||
};
|
||||
|
||||
export type RPCResponse = {
|
||||
success: boolean;
|
||||
result: any;
|
||||
};
|
||||
|
||||
export class RPC {
|
||||
private callback: Function;
|
||||
|
||||
constructor(callback: Function) {
|
||||
this.callback = callback;
|
||||
}
|
||||
|
||||
async request(request: RPCRequest) {
|
||||
return await this._retryRequest(request);
|
||||
}
|
||||
|
||||
async requestBatch(requests: RPCRequest[]) {
|
||||
const res = [];
|
||||
for (const request of requests) {
|
||||
const r = await this._retryRequest(request);
|
||||
res.push(r);
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
private async _retryRequest(
|
||||
_request: RPCRequest,
|
||||
retry = 5
|
||||
): Promise<RPCResponse> {
|
||||
const request = {
|
||||
..._request,
|
||||
jsonrpc: "2.0",
|
||||
id: this.generateId(),
|
||||
};
|
||||
|
||||
for (let i = retry; i > 0; i--) {
|
||||
const res = await this._request(request);
|
||||
if (res.success) {
|
||||
return res;
|
||||
} else if (i == 1) {
|
||||
console.error(
|
||||
`RPC batch request failed after maximum retries: ${JSON.stringify(
|
||||
request,
|
||||
null,
|
||||
2
|
||||
)} ${JSON.stringify(res, null, 2)}`
|
||||
);
|
||||
}
|
||||
}
|
||||
throw new Error("RPC request failed");
|
||||
}
|
||||
|
||||
private generateId(): string {
|
||||
return Math.floor(Math.random() * 2 ** 64).toFixed();
|
||||
}
|
||||
|
||||
protected async _request(request: RPCRequestRaw): Promise<RPCResponse> {
|
||||
try {
|
||||
const response = await this.callback(request);
|
||||
return {
|
||||
success: !response.error,
|
||||
result: response.error || response.result,
|
||||
};
|
||||
} catch (e) {
|
||||
return {
|
||||
success: false,
|
||||
result: { message: `request failed: ${e}` },
|
||||
};
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -0,0 +1,63 @@
|
|||
import type { GetProof } from "web3-eth";
|
||||
import type { BlockNumber } from "web3-core";
|
||||
import type { Method } from "web3-core-method";
|
||||
import type { JsonTx } from "@ethereumjs/tx";
|
||||
export type { GetProof, BlockNumber, Method };
|
||||
|
||||
export type Bytes = string;
|
||||
export type Bytes32 = string;
|
||||
export type AddressHex = string;
|
||||
export type ChainId = number;
|
||||
export type HexString = string;
|
||||
|
||||
// Some of the types below are taken from:
|
||||
// https://github.com/ethereumjs/ethereumjs-monorepo/blob/master/packages/client/lib/rpc/modules/eth.ts
|
||||
|
||||
export type AccessList = { address: AddressHex; storageKeys: Bytes32[] }[];
|
||||
|
||||
export interface RPCTx {
|
||||
from?: string;
|
||||
to?: string;
|
||||
gas?: string;
|
||||
gasPrice?: string;
|
||||
maxFeePerGas?: string;
|
||||
maxPriorityFeePerGas?: string;
|
||||
accessList?: AccessList;
|
||||
value?: string;
|
||||
data?: string;
|
||||
}
|
||||
|
||||
export type AccountResponse = GetProof;
|
||||
export type CodeResponse = string;
|
||||
|
||||
export type JSONRPCReceipt = {
|
||||
transactionHash: string; // DATA, 32 Bytes - hash of the transaction.
|
||||
transactionIndex: string; // QUANTITY - integer of the transactions index position in the block.
|
||||
blockHash: string; // DATA, 32 Bytes - hash of the block where this transaction was in.
|
||||
blockNumber: string; // QUANTITY - block number where this transaction was in.
|
||||
from: string; // DATA, 20 Bytes - address of the sender.
|
||||
to: string | null; // DATA, 20 Bytes - address of the receiver. null when it's a contract creation transaction.
|
||||
cumulativeGasUsed: string; // QUANTITY - The total amount of gas used when this transaction was executed in the block.
|
||||
effectiveGasPrice: string; // QUANTITY - The final gas price per gas paid by the sender in wei.
|
||||
gasUsed: string; // QUANTITY - The amount of gas used by this specific transaction alone.
|
||||
contractAddress: string | null; // DATA, 20 Bytes - The contract address created, if the transaction was a contract creation, otherwise null.
|
||||
logs: JSONRPCLog[]; // Array - Array of log objects, which this transaction generated.
|
||||
logsBloom: string; // DATA, 256 Bytes - Bloom filter for light clients to quickly retrieve related logs.
|
||||
// It also returns either:
|
||||
root?: string; // DATA, 32 bytes of post-transaction stateroot (pre Byzantium)
|
||||
status?: string; // QUANTITY, either 1 (success) or 0 (failure)
|
||||
};
|
||||
|
||||
export type JSONRPCLog = {
|
||||
removed: boolean; // TAG - true when the log was removed, due to a chain reorganization. false if it's a valid log.
|
||||
logIndex: string | null; // QUANTITY - integer of the log index position in the block. null when it's pending.
|
||||
transactionIndex: string | null; // QUANTITY - integer of the transactions index position log was created from. null when it's pending.
|
||||
transactionHash: string | null; // DATA, 32 Bytes - hash of the transactions this log was created from. null when it's pending.
|
||||
blockHash: string | null; // DATA, 32 Bytes - hash of the block where this log was in. null when it's pending.
|
||||
blockNumber: string | null; // QUANTITY - the block number where this log was in. null when it's pending.
|
||||
address: string; // DATA, 20 Bytes - address from which this log originated.
|
||||
data: string; // DATA - contains one or more 32 Bytes non-indexed arguments of the log.
|
||||
topics: string[]; // Array of DATA - Array of 0 to 4 32 Bytes DATA of indexed log arguments.
|
||||
// (In solidity: The first topic is the hash of the signature of the event
|
||||
// (e.g. Deposit(address,bytes32,uint256)), except you declared the event with the anonymous specifier.)
|
||||
};
|
||||
|
|
@ -0,0 +1,68 @@
|
|||
import {
|
||||
setLengthLeft,
|
||||
toBuffer,
|
||||
bigIntToHex,
|
||||
bufferToHex,
|
||||
intToHex,
|
||||
} from "@ethereumjs/util";
|
||||
import { HeaderData, BlockData, Block } from "@ethereumjs/block";
|
||||
import {
|
||||
TxData,
|
||||
AccessListEIP2930TxData,
|
||||
FeeMarketEIP1559TxData,
|
||||
TypedTransaction,
|
||||
} from "@ethereumjs/tx";
|
||||
|
||||
const isTruthy = (val: any) => !!val;
|
||||
|
||||
// TODO: fix blockInfo type
|
||||
export function headerDataFromWeb3Response(blockInfo: any): HeaderData {
|
||||
return {
|
||||
parentHash: blockInfo.parentHash,
|
||||
uncleHash: blockInfo.sha3Uncles,
|
||||
coinbase: blockInfo.miner,
|
||||
stateRoot: blockInfo.stateRoot,
|
||||
transactionsTrie: blockInfo.transactionsRoot,
|
||||
receiptTrie: blockInfo.receiptsRoot,
|
||||
logsBloom: blockInfo.logsBloom,
|
||||
difficulty: BigInt(blockInfo.difficulty),
|
||||
number: BigInt(blockInfo.number),
|
||||
gasLimit: BigInt(blockInfo.gasLimit),
|
||||
gasUsed: BigInt(blockInfo.gasUsed),
|
||||
timestamp: BigInt(blockInfo.timestamp),
|
||||
extraData: blockInfo.extraData,
|
||||
mixHash: (blockInfo as any).mixHash, // some reason the types are not up to date :(
|
||||
nonce: blockInfo.nonce,
|
||||
baseFeePerGas: blockInfo.baseFeePerGas
|
||||
? BigInt(blockInfo.baseFeePerGas)
|
||||
: undefined,
|
||||
};
|
||||
}
|
||||
|
||||
export function txDataFromWeb3Response(
|
||||
txInfo: any
|
||||
): TxData | AccessListEIP2930TxData | FeeMarketEIP1559TxData {
|
||||
return {
|
||||
...txInfo,
|
||||
data: txInfo.input,
|
||||
gasPrice: BigInt(txInfo.gasPrice),
|
||||
gasLimit: txInfo.gas,
|
||||
to: isTruthy(txInfo.to)
|
||||
? setLengthLeft(toBuffer(txInfo.to), 20)
|
||||
: undefined,
|
||||
value: BigInt(txInfo.value),
|
||||
maxFeePerGas: isTruthy(txInfo.maxFeePerGas)
|
||||
? BigInt(txInfo.maxFeePerGas)
|
||||
: undefined,
|
||||
maxPriorityFeePerGas: isTruthy(txInfo.maxPriorityFeePerGas)
|
||||
? BigInt(txInfo.maxPriorityFeePerGas)
|
||||
: undefined,
|
||||
};
|
||||
}
|
||||
|
||||
export function blockDataFromWeb3Response(blockInfo: any): BlockData {
|
||||
return {
|
||||
header: headerDataFromWeb3Response(blockInfo),
|
||||
transactions: blockInfo.transactions.map(txDataFromWeb3Response),
|
||||
};
|
||||
}
|
||||
|
|
@ -0,0 +1,139 @@
|
|||
import { InvalidParamsError } from './errors';
|
||||
|
||||
// Most of the validations are taken from:
|
||||
// https://github.com/ethereumjs/ethereumjs-monorepo/blob/master/packages/client/lib/rpc/validation.ts
|
||||
|
||||
/**
|
||||
* @memberof module:rpc
|
||||
*/
|
||||
export const validators = {
|
||||
/**
|
||||
* address validator to ensure has `0x` prefix and 20 bytes length
|
||||
* @param params parameters of method
|
||||
* @param index index of parameter
|
||||
*/
|
||||
address(params: any[], index: number) {
|
||||
this.hex(params, index);
|
||||
|
||||
const address = params[index].substr(2);
|
||||
|
||||
if (!/^[0-9a-fA-F]+$/.test(address) || address.length !== 40) {
|
||||
throw new InvalidParamsError(
|
||||
`invalid argument ${index}: invalid address`,
|
||||
);
|
||||
}
|
||||
},
|
||||
|
||||
/**
|
||||
* hex validator to ensure has `0x` prefix
|
||||
* @param params parameters of method
|
||||
* @param index index of parameter
|
||||
*/
|
||||
hex(params: any[], index: number) {
|
||||
if (typeof params[index] !== 'string') {
|
||||
throw new InvalidParamsError(
|
||||
`invalid argument ${index}: argument must be a hex string`,
|
||||
);
|
||||
}
|
||||
|
||||
if (params[index].substr(0, 2) !== '0x') {
|
||||
throw new InvalidParamsError(
|
||||
`invalid argument ${index}: hex string without 0x prefix`,
|
||||
);
|
||||
}
|
||||
},
|
||||
|
||||
/**
|
||||
* hex validator to validate block hash
|
||||
* @param params parameters of method
|
||||
* @param index index of parameter
|
||||
*/
|
||||
blockHash(params: any[], index: number) {
|
||||
this.hex(params, index);
|
||||
|
||||
const blockHash = params[index].substring(2);
|
||||
|
||||
if (!/^[0-9a-fA-F]+$/.test(blockHash) || blockHash.length !== 64) {
|
||||
throw new InvalidParamsError(
|
||||
`invalid argument ${index}: invalid block hash`,
|
||||
);
|
||||
}
|
||||
},
|
||||
/**
|
||||
* validator to ensure valid block integer or hash, or string option ["latest", "earliest", "pending"]
|
||||
* @param params parameters of method
|
||||
* @param index index of parameter
|
||||
*/
|
||||
blockOption(params: any[], index: number) {
|
||||
const blockOption = params[index];
|
||||
|
||||
if (typeof blockOption !== 'string') {
|
||||
throw new InvalidParamsError(
|
||||
`invalid argument ${index}: argument must be a string`,
|
||||
);
|
||||
}
|
||||
|
||||
try {
|
||||
if (['latest', 'earliest', 'pending'].includes(blockOption)) {
|
||||
return;
|
||||
}
|
||||
return this.hex([blockOption], 0);
|
||||
} catch (e) {
|
||||
throw new InvalidParamsError(
|
||||
`invalid argument ${index}: block option must be a valid hex block number, or "latest", "earliest" or "pending"`,
|
||||
);
|
||||
}
|
||||
},
|
||||
|
||||
/**
|
||||
* bool validator to check if type is boolean
|
||||
* @param params parameters of method
|
||||
* @param index index of parameter
|
||||
*/
|
||||
bool(params: any[], index: number) {
|
||||
if (typeof params[index] !== 'boolean') {
|
||||
throw new InvalidParamsError(
|
||||
`invalid argument ${index}: argument is not boolean`,
|
||||
);
|
||||
}
|
||||
},
|
||||
|
||||
/**
|
||||
* params length validator
|
||||
* @param params parameters of method
|
||||
* @requiredParamsLength required length of parameters
|
||||
*/
|
||||
paramsLength(
|
||||
params: any[],
|
||||
requiredParamsCount: number,
|
||||
maxParamsCount: number = requiredParamsCount,
|
||||
) {
|
||||
if (params.length < requiredParamsCount || params.length > maxParamsCount) {
|
||||
throw new InvalidParamsError(
|
||||
`missing value for required argument ${params.length}`,
|
||||
);
|
||||
}
|
||||
},
|
||||
|
||||
transaction(params: any[], index: number) {
|
||||
const tx = params[index];
|
||||
|
||||
if (typeof tx !== 'object') {
|
||||
throw new InvalidParamsError(
|
||||
`invalid argument ${index}: argument must be an object`,
|
||||
);
|
||||
}
|
||||
|
||||
// validate addresses
|
||||
for (const field of [tx.to, tx.from]) {
|
||||
// TODO: the below will create an error with incorrect index if the tx is not at index 0
|
||||
if (field !== undefined) this.address([field], 0);
|
||||
}
|
||||
|
||||
// validate hex
|
||||
for (const field of [tx.gas, tx.gasPrice, tx.value, tx.data]) {
|
||||
// TODO: the below will create an error with incorrect index if the tx is not at index 0
|
||||
if (field !== undefined) this.hex([field], 0);
|
||||
}
|
||||
},
|
||||
};
|
||||
|
|
@ -0,0 +1,26 @@
|
|||
import {
|
||||
ContainerType,
|
||||
VectorCompositeType,
|
||||
ByteVectorType,
|
||||
BooleanType,
|
||||
UintNumberType,
|
||||
ListCompositeType,
|
||||
} from '@chainsafe/ssz';
|
||||
import * as altair from '@lodestar/types/altair';
|
||||
import { BEACON_SYNC_COMMITTEE_SIZE } from './constants.js';
|
||||
|
||||
const MAX_BATCHSIZE = 10000;
|
||||
|
||||
export const LightClientUpdateSSZ = altair.ssz.LightClientUpdate;
|
||||
export const LightClientUpdatesSSZ = new ListCompositeType(
|
||||
LightClientUpdateSSZ as any,
|
||||
MAX_BATCHSIZE,
|
||||
);
|
||||
|
||||
export const CommitteeSSZ = new VectorCompositeType(
|
||||
new ByteVectorType(48),
|
||||
BEACON_SYNC_COMMITTEE_SIZE,
|
||||
);
|
||||
|
||||
const HashSSZ = new ByteVectorType(32);
|
||||
export const HashesSSZ = new ListCompositeType(HashSSZ, MAX_BATCHSIZE);
|
||||
|
|
@ -0,0 +1,32 @@
|
|||
import { routes } from "@lodestar/api";
|
||||
import { BeaconConfig } from "@lodestar/config";
|
||||
import * as altair from "@lodestar/types/altair";
|
||||
|
||||
export type PubKeyString = string;
|
||||
export type Slot = number;
|
||||
export type Bytes32 = string;
|
||||
|
||||
export type OptimisticUpdate = altair.LightClientOptimisticUpdate;
|
||||
export type LightClientUpdate = altair.LightClientUpdate;
|
||||
|
||||
export type GenesisData = {
|
||||
committee: PubKeyString[];
|
||||
slot: Slot;
|
||||
time: number;
|
||||
};
|
||||
|
||||
export type ClientConfig = {
|
||||
genesis: GenesisData;
|
||||
chainConfig: BeaconConfig;
|
||||
// treeDegree in case of Superlight and batchSize in case of Light and Optimistic
|
||||
n?: number;
|
||||
};
|
||||
|
||||
export type ExecutionInfo = {
|
||||
blockhash: string;
|
||||
blockNumber: bigint;
|
||||
};
|
||||
|
||||
export type VerifyWithReason =
|
||||
| { correct: true }
|
||||
| { correct: false; reason: string };
|
||||
|
|
@ -0,0 +1,112 @@
|
|||
import Decimal from "decimal.js";
|
||||
import { fromHexString, toHexString } from "@chainsafe/ssz";
|
||||
import bls from "@chainsafe/bls/switchable";
|
||||
import { createBeaconConfig } from "@lodestar/config";
|
||||
import { mainnetConfig } from "./constants.js";
|
||||
import { networksChainConfig } from "@lodestar/config/networks";
|
||||
|
||||
//import _ from "lodash";
|
||||
|
||||
export function logFloor(x: number, base: number = 2) {
|
||||
return Decimal.log(x, base).floor().toNumber();
|
||||
}
|
||||
|
||||
export function concatUint8Array(data: Uint8Array[]) {
|
||||
const l = data.reduce((l, d) => l + d.length, 0);
|
||||
let result = new Uint8Array(l);
|
||||
let offset = 0;
|
||||
data.forEach((d) => {
|
||||
result.set(d, offset);
|
||||
offset += d.length;
|
||||
});
|
||||
return result;
|
||||
}
|
||||
|
||||
export function isUint8ArrayEq(a: Uint8Array, b: Uint8Array): boolean {
|
||||
return toHexString(a) === toHexString(b);
|
||||
}
|
||||
|
||||
export function isCommitteeSame(a: Uint8Array[], b: Uint8Array[]): boolean {
|
||||
if (a.length !== b.length) return false;
|
||||
return a.every((c, i) => isUint8ArrayEq(c, b[i]));
|
||||
}
|
||||
|
||||
export function generateRandomSyncCommittee(): Uint8Array[] {
|
||||
let res = [];
|
||||
// TODO: change 512 to constant
|
||||
for (let i = 0; i < 512; i++) {
|
||||
res.push(bls.SecretKey.fromKeygen().toPublicKey().toBytes());
|
||||
}
|
||||
return res;
|
||||
}
|
||||
|
||||
export function getRandomInt(max: number) {
|
||||
return Math.floor(Math.random() * max);
|
||||
}
|
||||
|
||||
export const smallHexStr = (data: Uint8Array) => toHexString(data).slice(0, 8);
|
||||
|
||||
export function numberToUint8Array(num: number): Uint8Array {
|
||||
const rawHex = num.toString(16);
|
||||
const hex = "0x" + (rawHex.length % 2 === 0 ? rawHex : "0" + rawHex);
|
||||
return fromHexString(hex);
|
||||
}
|
||||
|
||||
// credit: https://stackoverflow.com/questions/2450954/how-to-randomize-shuffle-a-javascript-array
|
||||
export function shuffle(array: any[]) {
|
||||
let currentIndex = array.length,
|
||||
randomIndex;
|
||||
|
||||
// While there remain elements to shuffle.
|
||||
while (currentIndex != 0) {
|
||||
// Pick a remaining element.
|
||||
randomIndex = Math.floor(Math.random() * currentIndex);
|
||||
currentIndex--;
|
||||
|
||||
// And swap it with the current element.
|
||||
[array[currentIndex], array[randomIndex]] = [
|
||||
array[randomIndex],
|
||||
array[currentIndex],
|
||||
];
|
||||
}
|
||||
|
||||
return array;
|
||||
}
|
||||
|
||||
export async function wait(ms: number) {
|
||||
return new Promise((resolve, reject) => {
|
||||
setTimeout(resolve, ms);
|
||||
});
|
||||
}
|
||||
|
||||
/*
|
||||
export function deepTypecast<T>(
|
||||
obj: any,
|
||||
checker: (val: any) => boolean,
|
||||
caster: (val: T) => any
|
||||
): any {
|
||||
return _.forEach(obj, (val: any, key: any, obj: any) => {
|
||||
obj[key] = checker(val)
|
||||
? caster(val)
|
||||
: _.isObject(val)
|
||||
? deepTypecast(val, checker, caster)
|
||||
: val;
|
||||
});
|
||||
}
|
||||
*/
|
||||
|
||||
export function getDefaultClientConfig() {
|
||||
const chainConfig = createBeaconConfig(
|
||||
networksChainConfig.mainnet,
|
||||
fromHexString(mainnetConfig.genesis_validator_root)
|
||||
);
|
||||
return {
|
||||
genesis: {
|
||||
committee: mainnetConfig.committee_pk,
|
||||
slot: parseInt(mainnetConfig.slot),
|
||||
time: parseInt(mainnetConfig.genesis_time),
|
||||
},
|
||||
chainConfig,
|
||||
n: 1,
|
||||
};
|
||||
}
|
||||
216
src/index.ts
216
src/index.ts
|
|
@ -1,14 +1,8 @@
|
|||
import { ActiveQuery, addHandler, handleMessage } from "libkmodule";
|
||||
import { createClient, RpcNetwork } from "@lumeweb/kernel-rpc-client";
|
||||
import init, { Client } from "../wasm/helios_ts.js";
|
||||
// @ts-ignore
|
||||
import wasm from "../wasm/helios_ts_bg.wasm?base64";
|
||||
import { Buffer } from "buffer";
|
||||
import { RPCResponse } from "@lumeweb/interface-relay";
|
||||
import { ConsensusRequest, ExecutionRequest } from "./types.js";
|
||||
|
||||
const CHECKPOINT =
|
||||
"0x694433ba78dd08280df68d3713c0f79d668dbee9e0922ec2346fcceb1dc3daa9";
|
||||
import Client from "./client/client.js";
|
||||
import { Prover } from "./client/index.js";
|
||||
|
||||
onmessage = handleMessage;
|
||||
|
||||
|
|
@ -48,7 +42,12 @@ addHandler("ready", handleReady);
|
|||
params: aq.callerInput || {},
|
||||
method: rpcMethod,
|
||||
};
|
||||
aq.respond(await handleRpcMethod(aq));
|
||||
try {
|
||||
const ret = await handleRpcMethod(aq);
|
||||
aq.respond(ret);
|
||||
} catch (e: any) {
|
||||
aq.reject((e as Error).message);
|
||||
}
|
||||
});
|
||||
});
|
||||
|
||||
|
|
@ -59,156 +58,66 @@ async function handlePresentSeed() {
|
|||
|
||||
async function handleRpcMethod(aq: ActiveQuery) {
|
||||
await moduleReady;
|
||||
switch (aq.callerInput?.method) {
|
||||
case "eth_accounts":
|
||||
case "eth_requestAccounts": {
|
||||
return [];
|
||||
}
|
||||
case "eth_getBalance": {
|
||||
return client.get_balance(
|
||||
aq.callerInput?.params[0],
|
||||
aq.callerInput?.params[1]
|
||||
);
|
||||
}
|
||||
case "eth_chainId": {
|
||||
return client.chain_id();
|
||||
}
|
||||
case "eth_blockNumber": {
|
||||
return client.get_block_number();
|
||||
}
|
||||
case "eth_getTransactionByHash": {
|
||||
let tx = await client.get_transaction_by_hash(aq.callerInput?.params[0]);
|
||||
return mapToObj(tx);
|
||||
}
|
||||
case "eth_getTransactionCount": {
|
||||
return client.get_transaction_count(
|
||||
aq.callerInput?.params[0],
|
||||
aq.callerInput?.params[1]
|
||||
);
|
||||
}
|
||||
case "eth_getBlockTransactionCountByHash": {
|
||||
return client.get_block_transaction_count_by_hash(
|
||||
aq.callerInput?.params[0]
|
||||
);
|
||||
}
|
||||
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();
|
||||
return client.provider.rpcMethod(
|
||||
aq.callerInput?.method,
|
||||
// @ts-ignore
|
||||
aq.callerInput?.params as any[]
|
||||
);
|
||||
}
|
||||
|
||||
async function consensusHandler(endpoint: string) {
|
||||
let query;
|
||||
|
||||
while (true) {
|
||||
query = await rpc.simpleQuery({
|
||||
query: {
|
||||
module: "eth",
|
||||
method: "consensus_request",
|
||||
data: {
|
||||
method: "GET",
|
||||
path: endpoint,
|
||||
} as ConsensusRequest,
|
||||
},
|
||||
options: {
|
||||
relayTimeout: 10,
|
||||
queryTimeout: 10,
|
||||
},
|
||||
});
|
||||
console.log("consensusHandler", endpoint);
|
||||
|
||||
const ret = await query.result;
|
||||
if (ret.data) {
|
||||
return ret.data;
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
async function setup() {
|
||||
rpc = createClient();
|
||||
async function executionHandler(data: Map<string, string | any>) {
|
||||
let query = await rpc.simpleQuery({
|
||||
query: {
|
||||
module: "eth",
|
||||
method: "execution_request",
|
||||
data,
|
||||
},
|
||||
});
|
||||
|
||||
console.log("executionHandler", data);
|
||||
|
||||
let ret = await query.result;
|
||||
|
||||
return ret.data;
|
||||
}
|
||||
|
||||
async function setup() {
|
||||
console.time("setup");
|
||||
rpc = createClient();
|
||||
// @ts-ignore
|
||||
await (
|
||||
await rpc.ready
|
||||
)();
|
||||
|
||||
await init(URL.createObjectURL(new Blob([Buffer.from(wasm, "base64")])));
|
||||
|
||||
(self as any).consensus_rpc_handler = async (
|
||||
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,
|
||||
},
|
||||
options: {
|
||||
relayTimeout: 10,
|
||||
queryTimeout: 10,
|
||||
},
|
||||
});
|
||||
|
||||
ret = await query.result;
|
||||
if (ret?.data) {
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if (path.startsWith("/eth/v1/beacon/light_client/updates")) {
|
||||
return JSON.stringify(ret.data);
|
||||
}
|
||||
|
||||
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");
|
||||
|
||||
params = JSON.parse(params);
|
||||
|
||||
let query;
|
||||
let ret: RPCResponse;
|
||||
|
||||
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);
|
||||
const prover = new Prover(consensusHandler);
|
||||
client = new Client(prover, executionHandler);
|
||||
await client.sync();
|
||||
}
|
||||
|
||||
|
|
@ -217,12 +126,3 @@ async function handleReady(aq: ActiveQuery) {
|
|||
|
||||
aq.respond();
|
||||
}
|
||||
|
||||
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;
|
||||
}, {});
|
||||
}
|
||||
|
|
|
|||
Loading…
Reference in New Issue