Wallet Adapters

Wallet adapters implement WalletAdapter and are selected by chainType.

Adapter options

• RawKeypairAdapter (@stendar/wallet-core): local Solana keypair (dev/testing)
• PhantomWalletAdapter (@stendar/wallet-phantom): browser Phantom integration
• ViemWalletAdapter (@stendar/wallet-viem): EVM signing via viem accounts
• TurnkeyWalletAdapter (@stendar/wallet-turnkey): managed keys for Solana or EVM

Solana + EVM in one runtime

Pass an array to wallet so runtime can resolve by chain type:

import { DeFiRuntime } from '@stendar/core';
import { RawKeypairAdapter } from '@stendar/wallet-core';
import { ViemWalletAdapter } from '@stendar/wallet-viem';

const runtime = new DeFiRuntime({
  chains,
  providers,
  wallet: [
    new RawKeypairAdapter(process.env.WALLET_PRIVATE_KEY!),
    new ViemWalletAdapter(process.env.EVM_PRIVATE_KEY! as `0x${string}`),
  ],
});

Turnkey configuration example

import { TurnkeyWalletAdapter } from '@stendar/wallet-turnkey';

const turnkeyWallet = new TurnkeyWalletAdapter({
  organizationId: process.env.TURNKEY_ORGANIZATION_ID!,
  apiPublicKey: process.env.TURNKEY_API_PUBLIC_KEY!,
  apiPrivateKey: process.env.TURNKEY_API_PRIVATE_KEY!,
  walletId: process.env.TURNKEY_WALLET_ID!,
  signWith: process.env.TURNKEY_SIGN_WITH!,
  chainType: 'evm',
});

Production guidance

• Prefer managed wallets (Turnkey) or hardware-backed signer flows in production.
• Keep raw private keys out of source and load them via .env or secret managers.
• Pair adapter configuration with Security model controls.