How to use the @cennznet/util.naclKeypairFromSeed function in @cennznet/util
To help you get started, we’ve selected a few @cennznet/util examples, based on popular ways it is used in public projects.
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cennznet / runanode / app / renderer / api / api.js View on Github 
try {
const originalWallet = this.reloadWallet(wallet);
await originalWallet.unlock(passphrase);
assert(wallet.accounts, `missing accounts`);
assert(address, `missing address`);
const json = await originalWallet.exportAccount(address, passphrase);
const decodeMsg = decode(passphrase, hexToU8a(json.encoded));
let publicKey = null;
let secretKey = null;
if (decodeMsg.secretKey.length === 64) {
publicKey = decodeMsg.publicKey;
secretKey = decodeMsg.secretKey;
Logger.debug(`api::getSeedFromWalletAccount decoded length: ${decodeMsg.secretKey.length}`);
} else {
// default is sr
const pair = naclFromSeed(decodeMsg.secretKey);
publicKey = pair.publicKey;
secretKey = pair.secretKey;
Logger.debug(`api::getSeedFromWalletAccount ed : ${pair}`);
}
// const { publicKey, secretKey } = decodeMsg;
const SEC_LENGTH = 64;
const SEED_LENGTH = 32;
const ZERO_STR = '0x00';
const seedU8a = secretKey.subarray(0, SEC_LENGTH - SEED_LENGTH);
const seed = u8aToHex(seedU8a);
assert(publicKey && publicKey.length === 32, 'Expected valid publicKey, 32-bytes');
assert(secretKey && secretKey.length === 64, 'Expected valid secretKey, 64-bytes');
assert(seed && seed.length > ZERO_STR.length, 'Expected valid seed, 32-bytes');
Logger.debug(`api::getSeedFromWalletAccount seed: ${seed.length}`);
