generate static method
Implementation
static Ed25519Keypair generate() {
String mnemonic = bip39.generateMnemonic();
Uint8List seed = bip39.mnemonicToSeed(mnemonic);
var privateKey = ed.newKeyFromSeed(seed.sublist(0, 32));
var publicKey = ed.public(privateKey);
Keypair keypair = Keypair();
keypair.secretKey = privateKey.bytes.asUint8List();
keypair.publicKey = publicKey.bytes.asUint8List();
keypair.mnemonic = mnemonic;
return Ed25519Keypair(keypair);
}