Create an HD wallet via js

[samelamin]

Hi All, im sure this feature is available but the js documentation isnt available from what i see

I would like to create a derived wallet for a particular chain based on the index
for example, given index 32 and a private key, generate an address on a target chain. evm,cosmos,solana,polkadot etc

Is this possible using the js package?

This is how im doing it based on wallet-core.d.ts
Is this the correct way of doing it? If so, why would we need to define the cointype when that is already defined in the derivation path?

Also i noticed the derivation path doesnt take the index into account, im getting different evm addresses but cosmos,sol and polkadot always returns the same address regardless of index

  const eth_derivation_path = `m/44'/60'/0'/0`;
  const cosmos_derivation_path = `m/44'/180'/0'/1`;
  const solana_derivation_path = `m/44'/501'/0'/2`;
  const polkadot_derivation_path = `m/44'/354'/0'/2`;

  const { CoinType, HexCoding, HDWallet, AnyAddress, Derivation,  DerivationPath } = core;

  const wallet = HDWallet.create(256, "");
  const mnemonic = wallet.mnemonic();

  const eth_key = wallet.getKey(CoinType.ethereum, eth_derivation_path);
  const pubKey1 = eth_key.getPublicKeySecp256k1(false);
  const ethAddress = AnyAddress.createWithPublicKey(pubKey1, CoinType.ethereum);
  console.log(`Get Ethereum address1: ${ethAddress.description()}`);

  const key2 = wallet.getKey(CoinType.cosmos, cosmos_derivation_path);
  const pubKey2 = key2.getPublicKeyEd25519();
  const comosAddress = AnyAddress.createWithPublicKey(pubKey2, CoinType.cosmos);
  console.log(`Get cosmos address: ${comosAddress.description()}`);

  const key3 = wallet.getKey(CoinType.solana, solana_derivation_path);
  const pubKey3 = key3.getPublicKeyEd25519();
  const solanaAddress = AnyAddress.createWithPublicKey(pubKey3, CoinType.solana);
  console.log(`Get solana address3: ${solanaAddress.description()}`);

  const key4 = wallet.getKey(CoinType.polkadot, polkadot_derivation_path);
  const pubKey4 = key4.getPublicKeyEd25519();
  const polkadotAddress = AnyAddress.createWithPublicKey(pubKey4, CoinType.polkadot);
  console.log(`Get polkadot address: ${polkadotAddress.description()}`);

[samelamin]

@Milerius I saw you converted this into a discussion

can you help with this

[weixuefeng]

you should call TWHDWalletGetPrivateKeyFromExtended. use extend privateKey and derivationPath for more child private key.

[fukemy]

Hi, can someone help? I always get modules not found

const { CoinType, HexCoding, HDWallet,
    AnyAddress, Derivation, DerivationPath
} = require("@trustwallet/wallet-core/dist/src/wallet-core.d.ts");

[satoshiotomakan]

No, we don't compile WalletCore for NodeJS at the moment

[fukemy]

No, we don't compile WalletCore for NodeJS at the moment

thanks u so much

[fukemy]

No, we don't compile WalletCore for NodeJS at the moment

I tested with NextJS project, but got this error

initWasp error RuntimeError: Aborted(both async and sync fetching of the wasm failed)
    GET http://localhost:3000/_next/static/chunks/app/wallet-core.wasm 404 (Not Found)
    wasm streaming compile failed](page.js:18 wasm streaming compile failed: TypeError: Failed to execute 'compile' on 'WebAssembly': HTTP status code is not ok)
    page.js:18 falling back to ArrayBuffer instantiation
    initWasp error RuntimeError: Aborted(both async and sync fetching of the wasm failed)
    at n (wallet-core.js:37:429)
    at Ua (wallet-core.js:39:149)
    at eval (wallet-core.js:40:238)

Can you help me please. Here is the code

useEffect(() => {
    initWasm().then((WalletCore) => {
      const { CoinType, HexCoding, HDWallet,
        AnyAddress, Derivation, DerivationPath } = WalletCore;
      const mnemonic = "abandon ability able about above absent absorb abstract absurd abuse access accident";
      const wallet = HDWallet.createWithMnemonic(mnemonic, "")
      const address = wallet.getAddressForCoin(CoinType.bitcoin)
      console.log("Bitcoin Address:", address)
    }).catch(error => {
      console.log('initWasp error', error)
    })
  }, [])

[satoshiotomakan]

I wish I could help, but I haven't worked with NextJS. Please take a look at this https://stackoverflow.com/questions/78186231/how-can-i-use-openjphjs-with-next-js

[fukemy]

https://stackoverflow.com/questions/78186231/how-can-i-use-openjphjs-with-next-js

I make it work now, it's just problem from NextJS, nevermind, I still got other error, as mention here: #3992 🥹🥹