package hd import ( "strings" "testing" codectypes "github.com/cosmos/cosmos-sdk/codec/types" "github.com/stretchr/testify/require" "github.com/ethereum/go-ethereum/common" hdwallet "github.com/miguelmota/go-ethereum-hdwallet" "github.com/cosmos/cosmos-sdk/codec" "github.com/cosmos/cosmos-sdk/crypto/keyring" cryptocodec "github.com/tharsis/ethermint/crypto/codec" ethermint "github.com/tharsis/ethermint/types" ) var protoCodec codec.Codec func init() { protoCodec = codec.NewProtoCodec(codectypes.NewInterfaceRegistry()) amino := codec.NewLegacyAmino() cryptocodec.RegisterCrypto(amino) } const mnemonic = "picnic rent average infant boat squirrel federal assault mercy purity very motor fossil wheel verify upset box fresh horse vivid copy predict square regret" func TestKeyring(t *testing.T) { dir := t.TempDir() mockIn := strings.NewReader("") kr, err := keyring.New("ethermint", keyring.BackendTest, dir, mockIn, protoCodec, EthSecp256k1Option()) require.NoError(t, err) // fail in retrieving key info, err := kr.Key("foo") require.Error(t, err) require.Nil(t, info) mockIn.Reset("password\npassword\n") info, mnemonic, err := kr.NewMnemonic("foo", keyring.English, ethermint.BIP44HDPath, keyring.DefaultBIP39Passphrase, EthSecp256k1) require.NoError(t, err) require.NotEmpty(t, mnemonic) require.Equal(t, "foo", info.Name) require.Equal(t, "local", info.GetType().String()) hdPath := ethermint.BIP44HDPath bz, err := EthSecp256k1.Derive()(mnemonic, keyring.DefaultBIP39Passphrase, hdPath) require.NoError(t, err) require.NotEmpty(t, bz) wrongBz, err := EthSecp256k1.Derive()(mnemonic, keyring.DefaultBIP39Passphrase, "/wrong/hdPath") require.Error(t, err) require.Empty(t, wrongBz) privkey := EthSecp256k1.Generate()(bz) addr := common.BytesToAddress(privkey.PubKey().Address().Bytes()) wallet, err := hdwallet.NewFromMnemonic(mnemonic) require.NoError(t, err) path := hdwallet.MustParseDerivationPath(hdPath) account, err := wallet.Derive(path, false) require.NoError(t, err) require.Equal(t, addr.String(), account.Address.String()) } func TestDerivation(t *testing.T) { bz, err := EthSecp256k1.Derive()(mnemonic, keyring.DefaultBIP39Passphrase, ethermint.BIP44HDPath) require.NoError(t, err) require.NotEmpty(t, bz) badBz, err := EthSecp256k1.Derive()(mnemonic, keyring.DefaultBIP39Passphrase, "44'/60'/0'/0/0") require.NoError(t, err) require.NotEmpty(t, badBz) require.NotEqual(t, bz, badBz) privkey := EthSecp256k1.Generate()(bz) badPrivKey := EthSecp256k1.Generate()(badBz) require.False(t, privkey.Equals(badPrivKey)) wallet, err := hdwallet.NewFromMnemonic(mnemonic) require.NoError(t, err) path := hdwallet.MustParseDerivationPath(ethermint.BIP44HDPath) account, err := wallet.Derive(path, false) require.NoError(t, err) badPath := hdwallet.MustParseDerivationPath("44'/60'/0'/0/0") badAccount, err := wallet.Derive(badPath, false) require.NoError(t, err) // Equality of Address BIP44 require.Equal(t, account.Address.String(), "0xA588C66983a81e800Db4dF74564F09f91c026351") require.Equal(t, badAccount.Address.String(), "0xF8D6FDf2B8b488ea37e54903750dcd13F67E71cb") // Inequality of wrong derivation path address require.NotEqual(t, account.Address.String(), badAccount.Address.String()) // Equality of Ethermint implementation require.Equal(t, common.BytesToAddress(privkey.PubKey().Address().Bytes()).String(), "0xA588C66983a81e800Db4dF74564F09f91c026351") require.Equal(t, common.BytesToAddress(badPrivKey.PubKey().Address().Bytes()).String(), "0xF8D6FDf2B8b488ea37e54903750dcd13F67E71cb") // Equality of Eth and Ethermint implementation require.Equal(t, common.BytesToAddress(privkey.PubKey().Address()).String(), account.Address.String()) require.Equal(t, common.BytesToAddress(badPrivKey.PubKey().Address()).String(), badAccount.Address.String()) // Inequality of wrong derivation path of Eth and Ethermint implementation require.NotEqual(t, common.BytesToAddress(privkey.PubKey().Address()).String(), badAccount.Address.String()) require.NotEqual(t, common.BytesToAddress(badPrivKey.PubKey().Address()).String(), account.Address.Hex()) }