github.com/0chain/gosdk@v1.17.11/zcncore/ethhdwallet/hdwallet_test.go

package hdwallet

import (
	"math/big"
	"os"
	"strings"
	"testing"

	"github.com/ethereum/go-ethereum/accounts"
	"github.com/ethereum/go-ethereum/common"
	"github.com/ethereum/go-ethereum/common/hexutil"
	"github.com/ethereum/go-ethereum/core/types"
	"github.com/ethereum/go-ethereum/crypto"
)

// TODO: table test

func TestIssue172(t *testing.T) {
	mnemonic := "sound practice disease erupt basket pumpkin truck file gorilla behave find exchange napkin boy congress address city net prosper crop chair marine chase seven"

	getWallet := func() *Wallet {
		wallet, err := NewFromMnemonic(mnemonic)
		if err != nil {
			t.Error(err)
		}
		return wallet
	}

	path, err := ParseDerivationPath("m/44'/60'/0'/0/0")
	if err != nil {
		t.Error(err)
	}

	// Reset Envars
	os.Setenv(issue179FixEnvar, "")

	// Derive the old (wrong way)
	account, err := getWallet().Derive(path, false)
	if err != nil {
		t.Error(err)
	}

	if account.Address.Hex() != "0x3943412CBEEEd4b68d73382b136F36b0CB82F481" {
		t.Error("wrong address")
	}

	// Set envar to non-zero length to derive correctly
	os.Setenv(issue179FixEnvar, "1")
	account, err = getWallet().Derive(path, false)
	if err != nil {
		t.Error(err)
	}
	if account.Address.Hex() != "0x98e440675eFF3041D20bECb7fE7e81746A431b6d" {
		t.Error("wrong address")
	}

	// Reset Envars
	os.Setenv(issue179FixEnvar, "")
	wallet := getWallet()
	wallet.SetFixIssue172(true)
	account, err = wallet.Derive(path, false)
	if err != nil {
		t.Error(err)
	}
	if account.Address.Hex() != "0x98e440675eFF3041D20bECb7fE7e81746A431b6d" {
		t.Error("wrong address")
	}
}

func TestWallet(t *testing.T) {
	mnemonic := "tag volcano eight thank tide danger coast health above argue embrace heavy"
	wallet, err := NewFromMnemonic(mnemonic)
	if err != nil {
		t.Error(err)
	}
	// Check that Wallet implements the accounts.Wallet interface.
	var _ accounts.Wallet = wallet

	path, err := ParseDerivationPath("m/44'/60'/0'/0/0")
	if err != nil {
		t.Error(err)
	}

	account, err := wallet.Derive(path, false)
	if err != nil {
		t.Error(err)
	}

	if account.Address.Hex() != "0xC49926C4124cEe1cbA0Ea94Ea31a6c12318df947" {
		t.Error("wrong address")
	}

	if len(wallet.Accounts()) != 0 {
		t.Error("expected 0")
	}

	account, err = wallet.Derive(path, true)
	if err != nil {
		t.Error(err)
	}

	if len(wallet.Accounts()) != 1 {
		t.Error("expected 1")
	}

	if !wallet.Contains(account) {
		t.Error("expected to contain account")
	}

	url := wallet.URL()
	if url.String() != "" {
		t.Error("expected empty url")
	}

	if err := wallet.Open(""); err != nil {
		t.Error(err)
	}

	if err := wallet.Close(); err != nil {
		t.Error(err)
	}

	status, err := wallet.Status()
	if err != nil {
		t.Error(err)
	}

	if status != "ok" {
		t.Error("expected status ok")
	}

	accountPath, err := wallet.Path(account)
	if err != nil {
		t.Error(err)
	}

	if accountPath != `m/44'/60'/0'/0/0` {
		t.Error("wrong hdpath")
	}

	privateKeyHex, err := wallet.PrivateKeyHex(account)
	if err != nil {
		t.Error(err)
	}

	if privateKeyHex != "63e21d10fd50155dbba0e7d3f7431a400b84b4c2ac1ee38872f82448fe3ecfb9" {
		t.Error("wrong private key")
	}

	publicKeyHex, err := wallet.PublicKeyHex(account)
	if err != nil {
		t.Error(err)
	}

	if publicKeyHex != "6005c86a6718f66221713a77073c41291cc3abbfcd03aa4955e9b2b50dbf7f9b6672dad0d46ade61e382f79888a73ea7899d9419becf1d6c9ec2087c1188fa18" {
		t.Error("wrong public key")
	}

	addressHex, err := wallet.AddressHex(account)
	if err != nil {
		t.Error(err)
	}

	if addressHex != "0xC49926C4124cEe1cbA0Ea94Ea31a6c12318df947" {
		t.Error("wrong address")
	}

	nonce := uint64(0)
	value := big.NewInt(1000000000000000000)
	toAddress := common.HexToAddress("0x0")
	gasLimit := uint64(21000)
	gasPrice := big.NewInt(21000000000)
	data := []byte{}

	tx := types.NewTransaction(nonce, toAddress, value, gasLimit, gasPrice, data)

	signedTx, err := wallet.SignTx(account, tx, nil)
	if err != nil {
		t.Error(err)
	}

	v, r, s := signedTx.RawSignatureValues()
	if v.Cmp(big.NewInt(0)) != 1 {
		t.Error("expected v value")
	}
	if r.Cmp(big.NewInt(0)) != 1 {
		t.Error("expected r value")
	}
	if s.Cmp(big.NewInt(0)) != 1 {
		t.Error("expected s value")
	}

	signedTx2, err := wallet.SignTxWithPassphrase(account, "", tx, nil)
	if err != nil {
		t.Error(err)
	}
	if signedTx.Hash() != signedTx2.Hash() {
		t.Error("expected match")
	}

	signedTx3, err := wallet.SignTxEIP155(account, tx, big.NewInt(42))
	if err != nil {
		t.Error(err)
	}

	v, r, s = signedTx3.RawSignatureValues()
	if v.Cmp(big.NewInt(0)) != 1 {
		t.Error("expected v value")
	}
	if r.Cmp(big.NewInt(0)) != 1 {
		t.Error("expected r value")
	}
	if s.Cmp(big.NewInt(0)) != 1 {
		t.Error("expected s value")
	}

	data = []byte("hello")
	hash := crypto.Keccak256Hash(data)
	sig, err := wallet.SignHash(account, hash.Bytes())
	if err != nil {
		t.Error(err)
	}
	if len(sig) == 0 {
		t.Error("expected signature")
	}

	sig2, err := wallet.SignHashWithPassphrase(account, "", hash.Bytes())
	if err != nil {
		t.Error(err)
	}
	if len(sig2) == 0 {
		t.Error("expected signature")
	}
	if hexutil.Encode(sig) != hexutil.Encode(sig2) {
		t.Error("expected match")
	}

	mimeType := "text/plain"
	signedData, err := wallet.SignData(account, mimeType, []byte("hello world"))
	if err != nil {
		t.Error(err)
	}
	if len(signedData) == 0 {
		t.Error("Expected signature")
	}

	signedTextData, err := wallet.SignText(account, []byte("hello world"))
	if err != nil {
		t.Error(err)
	}
	if len(signedTextData) == 0 {
		t.Error("Expected signature")
	}

	signedData2, err := wallet.SignDataWithPassphrase(account, "", mimeType, []byte("hello world"))
	if err != nil {
		t.Error(err)
	}
	if len(signedData2) == 0 {
		t.Error("Expected signature")
	}

	signedData3, err := wallet.SignTextWithPassphrase(account, "", []byte("hello world"))
	if err != nil {
		t.Error(err)
	}
	if len(signedData3) == 0 {
		t.Error("Expected signature")
	}

	err = wallet.Unpin(account)
	if err != nil {
		t.Error(err)
	}

	if wallet.Contains(account) {
		t.Error("expected to not contain account")
	}

	// seed test

	seed, err := NewSeedFromMnemonic(mnemonic)
	if err != nil {
		t.Error(err)
	}

	wallet, err = NewFromSeed(seed)
	if err != nil {
		t.Error(err)
	}

	path = MustParseDerivationPath("m/44'/60'/0'/0/0")
	account, err = wallet.Derive(path, false)
	if err != nil {
		t.Error(err)
	}

	if account.Address.Hex() != "0xC49926C4124cEe1cbA0Ea94Ea31a6c12318df947" {
		t.Error("wrong address")
	}

	seed, err = NewSeed()
	if err != nil {
		t.Error(err)
	}

	if len(seed) != 64 {
		t.Error("expected size of 64")
	}

	seed, err = NewSeedFromMnemonic(mnemonic)
	if err != nil {
		t.Error(err)
	}

	if len(seed) != 64 {
		t.Error("expected size of 64")
	}

	mnemonic, err = NewMnemonic(128)
	if err != nil {
		t.Error(err)
	}

	words := strings.Split(mnemonic, " ")
	if len(words) != 12 {
		t.Error("expected 12 words")
	}

	entropy, err := NewEntropy(128)
	if err != nil {
		t.Error(err)
	}

	mnemonic, err = NewMnemonicFromEntropy(entropy)
	if err != nil {
		t.Error(err)
	}

	words = strings.Split(mnemonic, " ")
	if len(words) != 12 {
		t.Error("expected 12 words")
	}
}