Introduction

import {
  createTestnetClient,
  createMemoryKeyService,
  createMemorySigner,
  transfer,
  near,
} from 'near-api-ts';

// Create a client
const client = createTestnetClient();

// Query account information
const { accountInfo } = await client.getAccountInfo({
  accountId: 'testnet',
  atMomentOf: 'LatestFinalBlock',
});

console.log('Balance:', accountInfo.balance.total.near);

// Set up signing with a key service
const keyService = createMemoryKeyService({
  keySource: { privateKey: 'ed25519:your-private-key' },
});

const signer = createMemorySigner({
  signerAccountId: 'your-account.testnet',
  client,
  keyService,
});

// Send a transaction
await signer.executeTransaction({
  intent: {
    action: transfer({ amount: near('1') }),
    receiverAccountId: 'receiver.testnet',
  },
});