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redis-storage.ts
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redis-storage.ts
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import { Queue, Worker } from "bullmq";
import { ParsedVaa, parseVaa } from "@certusone/wormhole-sdk";
import { Logger } from "winston";
import {
Cluster,
ClusterNode,
ClusterOptions,
Redis,
RedisOptions,
} from "ioredis";
import { createStorageMetrics, StorageMetrics } from "../storage.metrics.js";
import { Registry } from "prom-client";
import { sleep } from "../utils.js";
import { onJobHandler, RelayJob, Storage } from "./storage.js";
import Koa from "koa";
import { KoaAdapter } from "@bull-board/koa";
import { createBullBoard } from "@bull-board/api";
import { BullMQAdapter } from "@bull-board/api/bullMQAdapter.js";
function serializeVaa(vaa: ParsedVaa) {
return {
sequence: vaa.sequence.toString(),
hash: vaa.hash.toString("base64"),
emitterChain: vaa.emitterChain,
emitterAddress: vaa.emitterAddress.toString("hex"),
payload: vaa.payload.toString("base64"),
nonce: vaa.nonce,
timestamp: vaa.timestamp,
version: vaa.version,
guardianSignatures: vaa.guardianSignatures.map(sig => ({
signature: sig.signature.toString("base64"),
index: sig.index,
})),
consistencyLevel: vaa.consistencyLevel,
guardianSetIndex: vaa.guardianSetIndex,
};
}
function deserializeVaa(vaa: Record<string, any>): ParsedVaa {
return {
sequence: BigInt(vaa.sequence),
hash: Buffer.from(vaa.hash, "base64"),
emitterChain: vaa.emitterChain,
emitterAddress: Buffer.from(vaa.emitterAddress, "hex"),
payload: Buffer.from(vaa.payload, "base64"),
nonce: vaa.nonce,
timestamp: vaa.timestamp,
version: vaa.version,
guardianSignatures: vaa.guardianSignatures.map((sig: any) => ({
signature: Buffer.from(sig.signature, "base64"),
index: sig.index,
})),
consistencyLevel: vaa.consistencyLevel,
guardianSetIndex: vaa.guardianSetIndex,
};
}
export interface RedisConnectionOpts {
redisClusterEndpoints?: ClusterNode[];
redisCluster?: ClusterOptions;
redis?: RedisOptions;
namespace?: string;
}
export interface ExponentialBackoffOpts {
baseDelayMs: number; // amount of time to apply each exp. backoff round
maxDelayMs: number; // max amount of time to wait between retries
backOffFn?: (attemptsMade: number) => number; // custom backoff function
}
export interface StorageOptions extends RedisConnectionOpts {
queueName: string;
attempts: number;
concurrency?: number;
exponentialBackoff?: ExponentialBackoffOpts;
maxCompletedQueueSize?: number;
maxFailedQueueSize?: number;
}
export type JobData = { parsedVaa: any; vaaBytes: string };
const defaultOptions: Partial<StorageOptions> = {
attempts: 3,
redis: {},
queueName: "relays",
concurrency: 3,
maxCompletedQueueSize: 10000,
maxFailedQueueSize: 10000,
};
export class RedisStorage implements Storage {
logger?: Logger;
vaaQueue: Queue<JobData, string[], string>;
public registry: Registry;
workerId?: string;
private worker?: Worker<JobData, void, string>;
private readonly prefix: string;
private readonly redis: Cluster | Redis;
private metrics: StorageMetrics;
private opts: StorageOptions;
constructor(opts: StorageOptions) {
this.opts = Object.assign({}, defaultOptions, opts);
// ensure redis is defined
if (!this.opts.redis) {
this.opts.redis = {};
}
this.opts.redis.maxRetriesPerRequest = null; //Added because of: DEPRECATION WARNING! Your redis options maxRetriesPerRequest must be null. On the next versions having this settings will throw an exception
this.prefix = `{${this.opts.namespace ?? this.opts.queueName}}`;
this.redis =
this.opts.redisClusterEndpoints !== undefined &&
this.opts.redisClusterEndpoints.length > 0
? new Redis.Cluster(
this.opts.redisClusterEndpoints,
this.opts.redisCluster,
)
: new Redis(this.opts.redis);
// TODO: consider using a queue per chain
this.vaaQueue = new Queue(this.opts.queueName, {
defaultJobOptions: {
removeOnComplete: this.opts.maxCompletedQueueSize,
removeOnFail: this.opts.maxFailedQueueSize,
},
prefix: this.prefix,
connection: this.redis,
});
const { metrics, registry } = createStorageMetrics();
this.metrics = metrics;
this.registry = registry;
}
getPrefix() {
return [this.prefix, this.opts.queueName].join(":");
}
async addVaaToQueue(vaaBytes: Buffer): Promise<RelayJob> {
const startTime = Date.now();
const parsedVaa = parseVaa(vaaBytes);
const id = this.vaaId(parsedVaa);
const idWithoutHash = id.substring(0, id.length - 6);
this.logger?.debug(`Adding VAA to queue`, {
emitterChain: parsedVaa.emitterChain,
emitterAddress: parsedVaa.emitterAddress.toString("hex"),
sequence: parsedVaa.sequence.toString(),
});
const retryStrategy = this.opts.exponentialBackoff
? {
backoff: {
type: "custom",
},
}
: undefined;
const job = await this.vaaQueue.add(
idWithoutHash,
{
parsedVaa: serializeVaa(parsedVaa),
vaaBytes: vaaBytes.toString("base64"),
},
{
jobId: id,
removeOnFail: 50000,
attempts: this.opts.attempts,
...retryStrategy,
},
);
return {
attempts: 0,
data: { vaaBytes, parsedVaa },
id: job.id!,
name: job.name,
log: job.log.bind(job),
receivedAt: startTime,
updateProgress: job.updateProgress.bind(job),
maxAttempts: this.opts.attempts,
};
}
startWorker(handleJob: onJobHandler) {
this.logger?.debug(
`Starting worker for queue: ${this.opts.queueName}. Prefix: ${this.prefix}.`,
);
// Use user provided backoff function if available, otherwise use xlabs default
let backOffFunction = undefined;
if (this.opts.exponentialBackoff?.backOffFn) {
backOffFunction = this.opts.exponentialBackoff.backOffFn;
} else {
backOffFunction = (attemptsMade: number) => {
const exponentialDelay =
Math.pow(2, attemptsMade) *
(this.opts.exponentialBackoff?.baseDelayMs || 1000);
return Math.min(
exponentialDelay,
this.opts.exponentialBackoff?.maxDelayMs || 3_600_000, // 1 hour as default
);
};
}
const workerSettings = this.opts.exponentialBackoff
? {
settings: {
backoffStrategy: backOffFunction,
},
}
: undefined;
this.worker = new Worker(
this.opts.queueName,
async job => {
let parsedVaa = job.data?.parsedVaa;
if (parsedVaa) {
this.logger?.debug(`Starting job: ${job.id}`, {
emitterChain: parsedVaa.emitterChain,
emitterAddress: parsedVaa.emitterAddress.toString("hex"),
sequence: parsedVaa.sequence.toString(),
});
} else {
this.logger?.debug("Received job with no parsedVaa");
}
const vaaBytes = Buffer.from(job.data.vaaBytes, "base64");
const relayJob: RelayJob = {
attempts: job.attemptsMade,
data: {
vaaBytes,
parsedVaa: parseVaa(vaaBytes),
},
id: job.id!,
maxAttempts: this.opts.attempts,
name: job.name,
receivedAt: job.timestamp,
log: job.log.bind(job),
updateProgress: job.updateProgress.bind(job),
};
await job.log(`processing by..${this.workerId}`);
await handleJob(relayJob);
return;
},
{
prefix: this.prefix,
connection: this.redis,
concurrency: this.opts.concurrency,
...workerSettings,
},
);
this.workerId = this.worker.id;
this.spawnGaugeUpdateWorker();
}
async stopWorker() {
await this.worker?.close();
this.worker = undefined;
}
async spawnGaugeUpdateWorker(ms = 5000) {
while (this.worker !== undefined) {
await this.updateGauges();
await sleep(ms);
}
}
storageKoaUI(
path: string,
): Koa.Middleware<Koa.DefaultState, Koa.DefaultContext, any> {
// UI
const serverAdapter = new KoaAdapter();
serverAdapter.setBasePath(path);
createBullBoard({
queues: [new BullMQAdapter(this.vaaQueue)],
serverAdapter: serverAdapter,
});
return serverAdapter.registerPlugin();
}
private vaaId(vaa: ParsedVaa): string {
const emitterAddress = vaa.emitterAddress.toString("hex");
const hash = vaa.hash.toString("base64").substring(0, 5);
let sequence = vaa.sequence.toString();
return `${vaa.emitterChain}/${emitterAddress}/${sequence}/${hash}`;
}
private async updateGauges() {
const { active, delayed, waiting, failed } =
await this.vaaQueue.getJobCounts();
this.metrics.activeGauge.labels({ queue: this.vaaQueue.name }).set(active);
this.metrics.delayedGauge
.labels({ queue: this.vaaQueue.name })
.set(delayed);
this.metrics.waitingGauge
.labels({ queue: this.vaaQueue.name })
.set(waiting);
this.metrics.failedGauge.labels({ queue: this.vaaQueue.name }).set(failed);
}
}