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libethsync
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feat: use event emitter and emit "update" on every light client update processed

This commit is contained in:
Derrick Hammer 2023-07-23 10:06:18 -04:00
parent 5197131b77
commit 232af830c9
Signed by: pcfreak30
GPG Key ID: C997C339BE476FF2
3 changed files with 9 additions and 4 deletions
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6
npm-shrinkwrap.json generated
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@ -1,11 +1,11 @@
{ {
"name": "@lumeweb/libethclient", "name": "@lumeweb/libethsync",
"version": "0.1.0-develop.41", "version": "0.1.0-develop.41",
"lockfileVersion": 3, "lockfileVersion": 3,
"requires": true, "requires": true,
"packages": { "packages": {
"": { "": {
"name": "@lumeweb/libethclient", "name": "@lumeweb/libethsync",
"version": "0.1.0-develop.41", "version": "0.1.0-develop.41",
"dependencies": { "dependencies": {
"@chainsafe/as-sha256": "^0.3.1", "@chainsafe/as-sha256": "^0.3.1",
@ -28,6 +28,7 @@
"axios-retry": "^3.5.1", "axios-retry": "^3.5.1",
"detect-node": "^2.1.0", "detect-node": "^2.1.0",
"ethereum-cryptography": "^2.0.0", "ethereum-cryptography": "^2.0.0",
"events": "^3.3.0",
"node-cache": "^5.1.2", "node-cache": "^5.1.2",
"rlp": "^3.0.0", "rlp": "^3.0.0",
"web3-types": "^1.0.1" "web3-types": "^1.0.1"
@ -8734,7 +8735,6 @@
"version": "3.3.0", "version": "3.3.0",
"resolved": "https://registry.npmjs.org/events/-/events-3.3.0.tgz", "resolved": "https://registry.npmjs.org/events/-/events-3.3.0.tgz",
"integrity": "sha512-mQw+2fkQbALzQ7V0MY0IqdnXNOeTtP4r0lN9z7AAawCXgqea7bDii20AYrIBrFd/Hx0M2Ocz6S111CaFkUcb0Q==", "integrity": "sha512-mQw+2fkQbALzQ7V0MY0IqdnXNOeTtP4r0lN9z7AAawCXgqea7bDii20AYrIBrFd/Hx0M2Ocz6S111CaFkUcb0Q==",
"dev": true,
"engines": { "engines": {
"node": ">=0.8.x" "node": ">=0.8.x"
} }

1
package.json
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@ -47,6 +47,7 @@
"axios-retry": "^3.5.1", "axios-retry": "^3.5.1",
"detect-node": "^2.1.0", "detect-node": "^2.1.0",
"ethereum-cryptography": "^2.0.0", "ethereum-cryptography": "^2.0.0",
"events": "^3.3.0",
"node-cache": "^5.1.2", "node-cache": "^5.1.2",
"rlp": "^3.0.0", "rlp": "^3.0.0",
"web3-types": "^1.0.1" "web3-types": "^1.0.1"

6
src/baseClient.ts
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@ -20,6 +20,7 @@ import {
} from "#types.js"; } from "#types.js";
import { assertValidLightClientUpdate } from "@lodestar/light-client/validation"; import { assertValidLightClientUpdate } from "@lodestar/light-client/validation";
import * as capella from "@lodestar/types/capella"; import * as capella from "@lodestar/types/capella";
import { EventEmitter } from "events";
export interface BaseClientOptions { export interface BaseClientOptions {
prover: IProver; prover: IProver;
@ -30,7 +31,7 @@ export interface BaseClientOptions {
loggerErr: (...any) => void; loggerErr: (...any) => void;
} }
export default abstract class BaseClient { export default abstract class BaseClient extends EventEmitter {
protected latestCommittee?: Uint8Array[]; protected latestCommittee?: Uint8Array[];
protected latestBlockHash?: string; protected latestBlockHash?: string;
protected config: ClientConfig = getDefaultClientConfig(); protected config: ClientConfig = getDefaultClientConfig();
@ -45,6 +46,7 @@ export default abstract class BaseClient {
private optimisticMutex = new Mutex(); private optimisticMutex = new Mutex();
constructor(options: BaseClientOptions) { constructor(options: BaseClientOptions) {
super();
this.options = options; this.options = options;
} }
@ -143,6 +145,8 @@ export default abstract class BaseClient {
startCommittee = validOrCommittee as Uint8Array[]; startCommittee = validOrCommittee as Uint8Array[];
this.emit("update", update);
if (this.options.syncDelay) { if (this.options.syncDelay) {
await new Promise((resolve) => await new Promise((resolve) =>
setTimeout(resolve, this.options.syncDelay), setTimeout(resolve, this.options.syncDelay),