随机生成狗狗币钱包的助记词和对应的私钥、地址，生成过程可断网离线操作。
也可以从已有的助记词解析出对应的私钥和地址。
import { generate, fromMnemonic, } from './index.mjs';
//-----------------
//生成新的助记词和钱包地址。
let data = generate();
console.log(data);
//打印出类似这样结构：
{
address: 'DRt7NQEgN4ZMDb3BbLiaAPeSPKvqvjsVsC',
privateKey: 'QVp8tp7BZRphU6MJP151Dubqp8CCBroXH1q3aGQr4kCHBNMtjSoc',
publicKey: '0210b3e8fd2f8429ab3d23a27bc894cbd5c1c9b5815f10700bb34b9bdddf29cb0f',
mnemonic: 'pluck country surface bargain shadow dial lumber vacant arch grace level scissors'
}
//-----------------
//从已有的助记词进行解析。
data = fromMnemonic('pluck country surface bargain shadow dial lumber vacant arch grace level scissors');
console.log(data);
//打印出类似这样结构：
{
address: 'DRt7NQEgN4ZMDb3BbLiaAPeSPKvqvjsVsC',
privateKey: 'QVp8tp7BZRphU6MJP151Dubqp8CCBroXH1q3aGQr4kCHBNMtjSoc',
publicKey: '0210b3e8fd2f8429ab3d23a27bc894cbd5c1c9b5815f10700bb34b9bdddf29cb0f',
}