index.js

const aggregators = [
  "https://aggregator.walrus-testnet.walrus.space",
  "https://wal-aggregator-testnet.staketab.org",
  "https://walrus-testnet-aggregator.bartestnet.com",
  "https://walrus-testnet.blockscope.net",
  "https://walrus-testnet-aggregator.nodes.guru",
  "https://walrus-cache-testnet.overclock.run",
  "https://walrus-testnet-aggregator.stakin-nodes.com",
  "https://testnet-aggregator-walrus.kiliglab.io",
  "https://walrus-cache-testnet.latitude-sui.com",
  "https://walrus-testnet-aggregator.nodeinfra.com",
  "https://walrus-testnet.stakingdefenseleague.com",
  "https://walrus-aggregator.rubynodes.io",
  "https://walrus-testnet-aggregator.brightlystake.com",
  "https://walrus-testnet-aggregator.nami.cloud",
  "https://testnet.walrus-publisher.sm.xyz",
  "https://walrus-testnet-aggregator.stakecraft.com",
  "https://agg.test.walrus.eosusa.io",
  "https://walrus-agg.testnet.obelisk.sh",
  "https://sui-walrus-testnet.bwarelabs.com/aggregator",
  "https://walrus-testnet.chainbase.online/aggregator",
  "https://walrus-tn.juicystake.io:9443",
  "https://walrus-agg-testnet.chainode.tech:9002",
  "https://walrus-testnet-aggregator.starduststaking.com:11444",
  "http://walrus-testnet-aggregator.everstake.one:9000",
  "http://walrus.testnet.pops.one:9000",
  "http://scarlet-brussels-376c2.walrus.bdnodes.net:9000",
  "http://aggregator.testnet.sui.rpcpool.com:9000",
  "http://walrus.krates.ai:9000",
  "https://walrus.sui.thepassivetrust.com",
  "http://walrus.globalstake.io:9000",
  "http://walrus-testnet-aggregator.natsai.xyz:9000",
  "http://walrus-testnet.staking4all.org:9000",
  "https://walrus.testnet.aggregator.stakepool.dev.br",
  "https://aggregator.walrus.banansen.dev",
  "https://aggregator.walrus.silentvalidator.com"
]

const getBlobs = async asc => {
  const orderBy = asc ? 'ASC' : 'DESC'
  const res = await fetch(`https://walruscan.com/api/walscan-backend/testnet/api/blobs?page=0&sortBy=TIMESTAMP&orderBy=${orderBy}&searchStr=&size=20`)
  if (!res.ok) throw new Error(`Cannot fetch blob list from https://walruscan.com: ${res.status}`)
  const body = await res.json()
  return body.content
}

const measure = async (aggregator, blob) => {
  try {
    const res = await fetch(`${aggregator}/v1/blobs/${blob.blobIdBase64}`, {
      signal: AbortSignal.timeout(60_000)
    })
    if (!res.ok) throw new Error(`${aggregator} responded with ${res.status}`)
    return { retrievable: true, aggregator }
  } catch (err) {
    return { retrievable: false, aggregator }
  }
}

const blobs = [
  ...await getBlobs(true),
  ...await getBlobs(false)
]

let total = 0
let successful = 0

while (true) {
  const aggregator = aggregators[Math.floor(Math.random() * aggregators.length)]
  const blob = blobs[Math.floor(Math.random() * blobs.length)]
  const measurement = await measure(aggregator, blob)
  total++
  if (measurement.retrievable) successful++
  console.log(Math.round((successful / total) * 100), '% RSR after', total, 'tests')
}