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NEAR Developer Docs

$> npx create-near-app@latest

======================================================
👋 Welcome to Near! Learn more: https://docs.near.org/
🔧 Let's get your project ready.
======================================================

✅ What do you want to build? › "A Web App"
✅ Select a framework for your frontend › "Vite (React)"
✅ Name your project: "hello-near"
✅ Success! Created 'hello-near', a web-app using Vite React.

Start using your new NEAR app:
 * cd hello-near
 * npm run dev

import { Account, KeyPair, JsonRpcProvider, KeyPairSigner } from "near-api-js"
import { getAdapter, chains } from "multichain.js"

async function main() {
  const nearProvider = new JsonRpcProvider({ url: "https://test.rpc.fastnear.com" })
  const nearAccount = new Account("account.testnet", nearProvider, "ed25519:...")

  const arbitrum = getAdapter({ chain: chains.ARBITRUM, mpcNetwork: "testnet" })
  const arbAddress = await arbitrum.getAddressControlledBy({ nearAddress: nearAccount.accountId })
  const arbBalance = await arbitrum.getBalance({ address: arbAddress })
  console.log("Controlled Account", { arbAddress, arbBalance })

  await arbitrum.transfer({
    to: "0x2f318C334780961FB129D2a6c30D0763d9a5C970",
    amount: "10000000000000000", // 0.01 ETH
    nearAccount,
  })
}