import type { NextApiRequest , NextApiResponse } from 'next' ; import { Keyring } from '@polkadot/api' ; import { mnemonicGenerate , mnemonicValidate } from '@polkadot/util-crypto' ; type PolkadotAccountResponse = { address : string ; mnemonic : string ; jsonWallet : string ; } ; export default async function account ( _req , res ) { try { const keyring = new Keyring ( { type : 'sr25519' } ) ; const mnemonic = undefined ; const isValidMnemonic = mnemonicValidate ( mnemonic ) ; if ( ! isValidMnemonic ) { throw Error ( 'Invalid Mnemonic' ) ; } const account = undefined ; const address = undefined ; const jsonWallet = undefined ; res . status ( 200 ) . json ( { address , mnemonic , jsonWallet , } ) ; } catch ( error ) { let errorMessage = error instanceof Error ? error . message : 'Unknown Error' ; res . status ( 500 ) . json ( errorMessage ) ; } }