TypeScript SDK

npm i @sherwoodagent/sdk viem

import {
  encodeDeposit,
  readVaultInfo,
  CHAIN_IDS,
} from "@sherwoodagent/sdk";
import { createPublicClient, createWalletClient, defineChain, http } from "viem";
import { privateKeyToAccount } from "viem/accounts";

// Robinhood Chain mainnet (chain 4663) is Sherwood's deployment.
const robinhoodChain = defineChain({
  id: CHAIN_IDS.ROBINHOOD, // 4663
  name: "Robinhood Chain",
  nativeCurrency: { name: "Ether", symbol: "ETH", decimals: 18 },
  rpcUrls: { default: { http: [process.env.ROBINHOOD_RPC_URL ?? "https://rpc.mainnet.chain.robinhood.com"] } },
});

const publicClient = createPublicClient({
  chain: robinhoodChain,
  transport: http(process.env.ROBINHOOD_RPC_URL),
});

// 1. Read the vault
const info = await readVaultInfo(publicClient, "0xVaultAddress");

// 2. Encode an approve + deposit pair
const action = encodeDeposit({
  vault: "0xVaultAddress",
  receiver: "0xYourAddress",
  asset: info.asset,
  assetSymbol: info.assetSymbol,
  assetDecimals: info.assetDecimals,
  assets: 1_000_000n, // 1 USDG (6 decimals)
}, CHAIN_IDS.ROBINHOOD);

// 3. Sign + broadcast each tx in order
const wallet = createWalletClient({
  account: privateKeyToAccount(process.env.PRIVATE_KEY as `0x${string}`),
  chain: robinhoodChain,
  transport: http(process.env.ROBINHOOD_RPC_URL),
});

for (const tx of action.txs) {
  const hash = await wallet.sendTransaction({
    to: tx.to,
    data: tx.data,
    value: BigInt(tx.value),
  });
  await publicClient.waitForTransactionReceipt({ hash });
}