从助记词生成钱包

package main

import (
	"fmt"
	"log"

	"github.com/btcsuite/btcd/btcutil/hdkeychain"
	"github.com/btcsuite/btcd/chaincfg"
	"github.com/tyler-smith/go-bip39"
)

func main() {
    // 1. 生成随机熵（Entropy）
	entropy, err := bip39.NewEntropy(256)
	if err != nil {
		log.Fatalf("Failed to generate entropy: %v", err)
	}

	// 2. 生成助记词
	mnemonic, err := bip39.NewMnemonic(entropy)
	if err != nil {
		log.Fatalf("Failed to generate mnemonic: %v", err)
	}

	fmt.Printf("Mnemonic: %s\n", mnemonic)

	// 3. 从助记词生成种子（Seed）
	seed := bip39.NewSeed(mnemonic, "your_passphrase") // 第二个参数是一个可选的密码短语
	fmt.Printf("Seed: %x\n", seed)

	// 4. 从种子生成主密钥
	masterKey, err := hdkeychain.NewMaster(seed, &chaincfg.MainNetParams)
	if err != nil {
		log.Fatalf("Failed to create master key: %v", err)
	}

	fmt.Printf("Master Key: %v\n", masterKey)

	// 5. 派生子密钥并生成比特币地址
	for i := 0; i < 5; i++ {
		childKey, err := masterKey.Derive(uint32(i))
		if err != nil {
			log.Fatalf("Failed to derive child key: %v", err)
		}

		// 转换为公钥
		pubKey, err := childKey.Neuter()
		if err != nil {
			log.Fatalf("Failed to neuter child key: %v", err)
		}

		// 生成比特币地址
		address, err := pubKey.Address(&chaincfg.MainNetParams)
		if err != nil {
			log.Fatalf("Failed to generate address: %v", err)
		}

		fmt.Printf("Address %d: %s\n", i, address.EncodeAddress())
	}
}