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path: root/accounts/key_store_test.go
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// Copyright 2014 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.

package accounts

import (
    "crypto/rand"
    "encoding/hex"
    "fmt"
    "io/ioutil"
    "os"
    "reflect"
    "strings"
    "testing"

    "github.com/ethereum/go-ethereum/common"
    "github.com/ethereum/go-ethereum/crypto"
)

func tmpKeyStore(t *testing.T, encrypted bool) (dir string, ks keyStore) {
    d, err := ioutil.TempDir("", "geth-keystore-test")
    if err != nil {
        t.Fatal(err)
    }
    if encrypted {
        ks = &keyStorePassphrase{d, veryLightScryptN, veryLightScryptP}
    } else {
        ks = &keyStorePlain{d}
    }
    return d, ks
}

func TestKeyStorePlain(t *testing.T) {
    dir, ks := tmpKeyStore(t, false)
    defer os.RemoveAll(dir)

    pass := "" // not used but required by API
    k1, account, err := storeNewKey(ks, rand.Reader, pass)
    if err != nil {
        t.Fatal(err)
    }
    k2, err := ks.GetKey(k1.Address, account.File, pass)
    if err != nil {
        t.Fatal(err)
    }
    if !reflect.DeepEqual(k1.Address, k2.Address) {
        t.Fatal(err)
    }
    if !reflect.DeepEqual(k1.PrivateKey, k2.PrivateKey) {
        t.Fatal(err)
    }
}

func TestKeyStorePassphrase(t *testing.T) {
    dir, ks := tmpKeyStore(t, true)
    defer os.RemoveAll(dir)

    pass := "foo"
    k1, account, err := storeNewKey(ks, rand.Reader, pass)
    if err != nil {
        t.Fatal(err)
    }
    k2, err := ks.GetKey(k1.Address, account.File, pass)
    if err != nil {
        t.Fatal(err)
    }
    if !reflect.DeepEqual(k1.Address, k2.Address) {
        t.Fatal(err)
    }
    if !reflect.DeepEqual(k1.PrivateKey, k2.PrivateKey) {
        t.Fatal(err)
    }
}

func TestKeyStorePassphraseDecryptionFail(t *testing.T) {
    dir, ks := tmpKeyStore(t, true)
    defer os.RemoveAll(dir)

    pass := "foo"
    k1, account, err := storeNewKey(ks, rand.Reader, pass)
    if err != nil {
        t.Fatal(err)
    }
    if _, err = ks.GetKey(k1.Address, account.File, "bar"); err != ErrDecrypt {
        t.Fatalf("wrong error for invalid passphrase\ngot %q\nwant %q", err, ErrDecrypt)
    }
}

func TestImportPreSaleKey(t *testing.T) {
    dir, ks := tmpKeyStore(t, true)
    defer os.RemoveAll(dir)

    // file content of a presale key file generated with:
    // python pyethsaletool.py genwallet
    // with password "foo"
    fileContent := "{\"encseed\": \"26d87f5f2bf9835f9a47eefae571bc09f9107bb13d54ff12a4ec095d01f83897494cf34f7bed2ed34126ecba9db7b62de56c9d7cd136520a0427bfb11b8954ba7ac39b90d4650d3448e31185affcd74226a68f1e94b1108e6e0a4a91cdd83eba\", \"ethaddr\": \"d4584b5f6229b7be90727b0fc8c6b91bb427821f\", \"email\": \"gustav.simonsson@gmail.com\", \"btcaddr\": \"1EVknXyFC68kKNLkh6YnKzW41svSRoaAcx\"}"
    pass := "foo"
    account, _, err := importPreSaleKey(ks, []byte(fileContent), pass)
    if err != nil {
        t.Fatal(err)
    }
    if account.Address != common.HexToAddress("d4584b5f6229b7be90727b0fc8c6b91bb427821f") {
        t.Errorf("imported account has wrong address %x", account.Address)
    }
    if !strings.HasPrefix(account.File, dir) {
        t.Errorf("imported account file not in keystore directory: %q", account.File)
    }
}

// Test and utils for the key store tests in the Ethereum JSON tests;
// testdataKeyStoreTests/basic_tests.json
type KeyStoreTestV3 struct {
    Json     encryptedKeyJSONV3
    Password string
    Priv     string
}

type KeyStoreTestV1 struct {
    Json     encryptedKeyJSONV1
    Password string
    Priv     string
}

func TestV3_PBKDF2_1(t *testing.T) {
    t.Parallel()
    tests := loadKeyStoreTestV3("testdata/v3_test_vector.json", t)
    testDecryptV3(tests["wikipage_test_vector_pbkdf2"], t)
}

func TestV3_PBKDF2_2(t *testing.T) {
    t.Parallel()
    tests := loadKeyStoreTestV3("../tests/files/KeyStoreTests/basic_tests.json", t)
    testDecryptV3(tests["test1"], t)
}

func TestV3_PBKDF2_3(t *testing.T) {
    t.Parallel()
    tests := loadKeyStoreTestV3("../tests/files/KeyStoreTests/basic_tests.json", t)
    testDecryptV3(tests["python_generated_test_with_odd_iv"], t)
}

func TestV3_PBKDF2_4(t *testing.T) {
    t.Parallel()
    tests := loadKeyStoreTestV3("../tests/files/KeyStoreTests/basic_tests.json", t)
    testDecryptV3(tests["evilnonce"], t)
}

func TestV3_Scrypt_1(t *testing.T) {
    t.Parallel()
    tests := loadKeyStoreTestV3("testdata/v3_test_vector.json", t)
    testDecryptV3(tests["wikipage_test_vector_scrypt"], t)
}

func TestV3_Scrypt_2(t *testing.T) {
    t.Parallel()
    tests := loadKeyStoreTestV3("../tests/files/KeyStoreTests/basic_tests.json", t)
    testDecryptV3(tests["test2"], t)
}

func TestV1_1(t *testing.T) {
    t.Parallel()
    tests := loadKeyStoreTestV1("testdata/v1_test_vector.json", t)
    testDecryptV1(tests["test1"], t)
}

func TestV1_2(t *testing.T) {
    t.Parallel()
    ks := &keyStorePassphrase{"testdata/v1", LightScryptN, LightScryptP}
    addr := common.HexToAddress("cb61d5a9c4896fb9658090b597ef0e7be6f7b67e")
    file := "testdata/v1/cb61d5a9c4896fb9658090b597ef0e7be6f7b67e/cb61d5a9c4896fb9658090b597ef0e7be6f7b67e"
    k, err := ks.GetKey(addr, file, "g")
    if err != nil {
        t.Fatal(err)
    }
    privHex := hex.EncodeToString(crypto.FromECDSA(k.PrivateKey))
    expectedHex := "d1b1178d3529626a1a93e073f65028370d14c7eb0936eb42abef05db6f37ad7d"
    if privHex != expectedHex {
        t.Fatal(fmt.Errorf("Unexpected privkey: %v, expected %v", privHex, expectedHex))
    }
}

func testDecryptV3(test KeyStoreTestV3, t *testing.T) {
    privBytes, _, err := decryptKeyV3(&test.Json, test.Password)
    if err != nil {
        t.Fatal(err)
    }
    privHex := hex.EncodeToString(privBytes)
    if test.Priv != privHex {
        t.Fatal(fmt.Errorf("Decrypted bytes not equal to test, expected %v have %v", test.Priv, privHex))
    }
}

func testDecryptV1(test KeyStoreTestV1, t *testing.T) {
    privBytes, _, err := decryptKeyV1(&test.Json, test.Password)
    if err != nil {
        t.Fatal(err)
    }
    privHex := hex.EncodeToString(privBytes)
    if test.Priv != privHex {
        t.Fatal(fmt.Errorf("Decrypted bytes not equal to test, expected %v have %v", test.Priv, privHex))
    }
}

func loadKeyStoreTestV3(file string, t *testing.T) map[string]KeyStoreTestV3 {
    tests := make(map[string]KeyStoreTestV3)
    err := common.LoadJSON(file, &tests)
    if err != nil {
        t.Fatal(err)
    }
    return tests
}

func loadKeyStoreTestV1(file string, t *testing.T) map[string]KeyStoreTestV1 {
    tests := make(map[string]KeyStoreTestV1)
    err := common.LoadJSON(file, &tests)
    if err != nil {
        t.Fatal(err)
    }
    return tests
}

func TestKeyForDirectICAP(t *testing.T) {
    t.Parallel()
    key := NewKeyForDirectICAP(rand.Reader)
    if !strings.HasPrefix(key.Address.Hex(), "0x00") {
        t.Errorf("Expected first address byte to be zero, have: %s", key.Address.Hex())
    }
}