Interest, every two seconds

1import { createPublicClient, createWalletClient, custom, erc20Abi, http, parseAbi, parseUnits } from 'viem'2import { base } from 'viem/chains'34const USDC = '0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913'5const VAULT = '0xBEEFE94c8aD530842bfE7d8B397938fFc1cb83b2' // Steakhouse Prime USDC, on Morpho6const vaultAbi = parseAbi([7  'function deposit(uint256 assets, address receiver) returns (uint256 shares)',8  'function balanceOf(address owner) view returns (uint256)',9  'function convertToAssets(uint256 shares) view returns (uint256)',10])1112// Connect a wallet on Base and pick an amount: 100 USDC, which has 6 decimals.13const wallet = createWalletClient({ chain: base, transport: custom(window.ethereum!) })14const client = createPublicClient({ chain: base, transport: http() })15const [account] = await wallet.requestAddresses()16const amount = parseUnits('100', 6)1718// Let the vault pull the USDC, then deposit it in exchange for vault shares.19const approval = await wallet.writeContract({20  account, address: USDC, abi: erc20Abi, functionName: 'approve', args: [VAULT, amount],21})22await client.waitForTransactionReceipt({ hash: approval })23const deposit = await wallet.writeContract({24  account, address: VAULT, abi: vaultAbi, functionName: 'deposit', args: [amount, account],25})26await client.waitForTransactionReceipt({ hash: deposit })2728// The shares grow in value every block. This is what they're worth right now.29const shares = await client.readContract({ address: VAULT, abi: vaultAbi, functionName: 'balanceOf', args: [account] })30const value = await client.readContract({ address: VAULT, abi: vaultAbi, functionName: 'convertToAssets', args: [shares] })