Decentralized data storage for AI-scale apps.

npm install @0gfoundation/0g-storage-ts-sdk ethers

# claim testnet tokens at faucet.0g.ai
# send them to the wallet you plan to use for uploads

import { Indexer } from '@0gfoundation/0g-storage-ts-sdk'
import { ethers } from 'ethers'

const RPC_URL = 'https://evmrpc-testnet.0g.ai'
const INDEXER_RPC = 'https://indexer-storage-testnet-turbo.0g.ai'

const provider = new ethers.JsonRpcProvider(RPC_URL)
const signer = new ethers.Wallet(process.env.PRIVATE_KEY!, provider)
const indexer = new Indexer(INDEXER_RPC)

import { MemData } from '@0gfoundation/0g-storage-ts-sdk'

// In-memory payload. For a file on disk, use ZgFile instead.
const file = new MemData(new TextEncoder().encode('hello 0G'))

const [rootHash, uploadErr] = await indexer.upload(file, RPC_URL, signer)
if (uploadErr) throw uploadErr
console.log('root hash:', rootHash)

// Download back to disk at ./hello.txt, verifying the Merkle proof.
const err = await indexer.download(rootHash, './hello.txt', true)
if (err) throw err

# open https://storagescan.0g.ai and search for the root hash
# confirm the file is pinned and replicated across nodes