326 lines
9.0 KiB
Go
326 lines
9.0 KiB
Go
// Copyright 2018 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package core_test
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import (
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"bytes"
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"context"
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"fmt"
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"io/ioutil"
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"math/big"
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"os"
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"path/filepath"
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/accounts"
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"github.com/ethereum/go-ethereum/accounts/keystore"
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"github.com/ethereum/go-ethereum/common"
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"github.com/ethereum/go-ethereum/common/hexutil"
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"github.com/ethereum/go-ethereum/core/types"
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"github.com/ethereum/go-ethereum/internal/ethapi"
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"github.com/ethereum/go-ethereum/rlp"
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"github.com/ethereum/go-ethereum/signer/core"
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"github.com/ethereum/go-ethereum/signer/fourbyte"
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"github.com/ethereum/go-ethereum/signer/storage"
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)
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//Used for testing
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type headlessUi struct {
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approveCh chan string // to send approve/deny
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inputCh chan string // to send password
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}
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func (ui *headlessUi) OnInputRequired(info core.UserInputRequest) (core.UserInputResponse, error) {
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input := <-ui.inputCh
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return core.UserInputResponse{Text: input}, nil
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}
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func (ui *headlessUi) OnSignerStartup(info core.StartupInfo) {}
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func (ui *headlessUi) RegisterUIServer(api *core.UIServerAPI) {}
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func (ui *headlessUi) OnApprovedTx(tx ethapi.SignTransactionResult) {}
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func (ui *headlessUi) ApproveTx(request *core.SignTxRequest) (core.SignTxResponse, error) {
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switch <-ui.approveCh {
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case "Y":
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return core.SignTxResponse{request.Transaction, true}, nil
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case "M": // modify
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// The headless UI always modifies the transaction
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old := big.Int(request.Transaction.Value)
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newVal := big.NewInt(0).Add(&old, big.NewInt(1))
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request.Transaction.Value = hexutil.Big(*newVal)
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return core.SignTxResponse{request.Transaction, true}, nil
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default:
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return core.SignTxResponse{request.Transaction, false}, nil
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}
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}
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func (ui *headlessUi) ApproveSignData(request *core.SignDataRequest) (core.SignDataResponse, error) {
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approved := (<-ui.approveCh == "Y")
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return core.SignDataResponse{approved}, nil
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}
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func (ui *headlessUi) ApproveListing(request *core.ListRequest) (core.ListResponse, error) {
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approval := <-ui.approveCh
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//fmt.Printf("approval %s\n", approval)
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switch approval {
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case "A":
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return core.ListResponse{request.Accounts}, nil
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case "1":
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l := make([]accounts.Account, 1)
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l[0] = request.Accounts[1]
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return core.ListResponse{l}, nil
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default:
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return core.ListResponse{nil}, nil
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}
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}
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func (ui *headlessUi) ApproveNewAccount(request *core.NewAccountRequest) (core.NewAccountResponse, error) {
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if <-ui.approveCh == "Y" {
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return core.NewAccountResponse{true}, nil
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}
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return core.NewAccountResponse{false}, nil
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}
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func (ui *headlessUi) ShowError(message string) {
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//stdout is used by communication
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fmt.Fprintln(os.Stderr, message)
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}
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func (ui *headlessUi) ShowInfo(message string) {
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//stdout is used by communication
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fmt.Fprintln(os.Stderr, message)
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}
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func tmpDirName(t *testing.T) string {
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d, err := ioutil.TempDir("", "eth-keystore-test")
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if err != nil {
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t.Fatal(err)
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}
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d, err = filepath.EvalSymlinks(d)
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if err != nil {
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t.Fatal(err)
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}
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return d
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}
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func setup(t *testing.T) (*core.SignerAPI, *headlessUi) {
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db, err := fourbyte.New()
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if err != nil {
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t.Fatal(err.Error())
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}
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ui := &headlessUi{make(chan string, 20), make(chan string, 20)}
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am := core.StartClefAccountManager(tmpDirName(t), true, true, "")
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api := core.NewSignerAPI(am, 1337, true, ui, db, true, &storage.NoStorage{})
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return api, ui
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}
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func createAccount(ui *headlessUi, api *core.SignerAPI, t *testing.T) {
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ui.approveCh <- "Y"
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ui.inputCh <- "a_long_password"
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_, err := api.New(context.Background())
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if err != nil {
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t.Fatal(err)
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}
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// Some time to allow changes to propagate
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time.Sleep(250 * time.Millisecond)
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}
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func failCreateAccountWithPassword(ui *headlessUi, api *core.SignerAPI, password string, t *testing.T) {
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ui.approveCh <- "Y"
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// We will be asked three times to provide a suitable password
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ui.inputCh <- password
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ui.inputCh <- password
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ui.inputCh <- password
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addr, err := api.New(context.Background())
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if err == nil {
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t.Fatal("Should have returned an error")
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}
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if addr != (common.Address{}) {
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t.Fatal("Empty address should be returned")
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}
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}
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func failCreateAccount(ui *headlessUi, api *core.SignerAPI, t *testing.T) {
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ui.approveCh <- "N"
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addr, err := api.New(context.Background())
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if err != core.ErrRequestDenied {
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t.Fatal(err)
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}
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if addr != (common.Address{}) {
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t.Fatal("Empty address should be returned")
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}
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}
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func list(ui *headlessUi, api *core.SignerAPI, t *testing.T) ([]common.Address, error) {
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ui.approveCh <- "A"
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return api.List(context.Background())
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}
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func TestNewAcc(t *testing.T) {
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api, control := setup(t)
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verifyNum := func(num int) {
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list, err := list(control, api, t)
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if err != nil {
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t.Errorf("Unexpected error %v", err)
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}
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if len(list) != num {
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t.Errorf("Expected %d accounts, got %d", num, len(list))
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}
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}
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// Testing create and create-deny
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createAccount(control, api, t)
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createAccount(control, api, t)
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failCreateAccount(control, api, t)
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failCreateAccount(control, api, t)
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createAccount(control, api, t)
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failCreateAccount(control, api, t)
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createAccount(control, api, t)
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failCreateAccount(control, api, t)
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verifyNum(4)
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// Fail to create this, due to bad password
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failCreateAccountWithPassword(control, api, "short", t)
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failCreateAccountWithPassword(control, api, "longerbutbad\rfoo", t)
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verifyNum(4)
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// Testing listing:
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// Listing one Account
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control.approveCh <- "1"
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list, err := api.List(context.Background())
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if err != nil {
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t.Fatal(err)
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}
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if len(list) != 1 {
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t.Fatalf("List should only show one Account")
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}
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// Listing denied
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control.approveCh <- "Nope"
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list, err = api.List(context.Background())
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if len(list) != 0 {
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t.Fatalf("List should be empty")
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}
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if err != core.ErrRequestDenied {
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t.Fatal("Expected deny")
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}
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}
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func mkTestTx(from common.MixedcaseAddress) core.SendTxArgs {
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to := common.NewMixedcaseAddress(common.HexToAddress("0x1337"))
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gas := hexutil.Uint64(21000)
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gasPrice := (hexutil.Big)(*big.NewInt(2000000000))
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value := (hexutil.Big)(*big.NewInt(1e18))
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nonce := (hexutil.Uint64)(0)
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data := hexutil.Bytes(common.Hex2Bytes("01020304050607080a"))
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tx := core.SendTxArgs{
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From: from,
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To: &to,
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Gas: gas,
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GasPrice: gasPrice,
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Value: value,
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Data: &data,
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Nonce: nonce}
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return tx
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}
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func TestSignTx(t *testing.T) {
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var (
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list []common.Address
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res, res2 *ethapi.SignTransactionResult
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err error
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)
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api, control := setup(t)
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createAccount(control, api, t)
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control.approveCh <- "A"
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list, err = api.List(context.Background())
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if err != nil {
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t.Fatal(err)
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}
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a := common.NewMixedcaseAddress(list[0])
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methodSig := "test(uint)"
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tx := mkTestTx(a)
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control.approveCh <- "Y"
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control.inputCh <- "wrongpassword"
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res, err = api.SignTransaction(context.Background(), tx, &methodSig)
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if res != nil {
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t.Errorf("Expected nil-response, got %v", res)
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}
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if err != keystore.ErrDecrypt {
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t.Errorf("Expected ErrLocked! %v", err)
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}
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control.approveCh <- "No way"
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res, err = api.SignTransaction(context.Background(), tx, &methodSig)
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if res != nil {
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t.Errorf("Expected nil-response, got %v", res)
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}
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if err != core.ErrRequestDenied {
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t.Errorf("Expected ErrRequestDenied! %v", err)
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}
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// Sign with correct password
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control.approveCh <- "Y"
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control.inputCh <- "a_long_password"
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res, err = api.SignTransaction(context.Background(), tx, &methodSig)
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if err != nil {
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t.Fatal(err)
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}
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parsedTx := &types.Transaction{}
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rlp.Decode(bytes.NewReader(res.Raw), parsedTx)
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//The tx should NOT be modified by the UI
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if parsedTx.Value().Cmp(tx.Value.ToInt()) != 0 {
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t.Errorf("Expected value to be unchanged, expected %v got %v", tx.Value, parsedTx.Value())
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}
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control.approveCh <- "Y"
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control.inputCh <- "a_long_password"
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res2, err = api.SignTransaction(context.Background(), tx, &methodSig)
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if err != nil {
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t.Fatal(err)
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}
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if !bytes.Equal(res.Raw, res2.Raw) {
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t.Error("Expected tx to be unmodified by UI")
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}
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//The tx is modified by the UI
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control.approveCh <- "M"
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control.inputCh <- "a_long_password"
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res2, err = api.SignTransaction(context.Background(), tx, &methodSig)
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if err != nil {
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t.Fatal(err)
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}
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parsedTx2 := &types.Transaction{}
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rlp.Decode(bytes.NewReader(res.Raw), parsedTx2)
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//The tx should be modified by the UI
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if parsedTx2.Value().Cmp(tx.Value.ToInt()) != 0 {
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t.Errorf("Expected value to be unchanged, got %v", parsedTx.Value())
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}
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if bytes.Equal(res.Raw, res2.Raw) {
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t.Error("Expected tx to be modified by UI")
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}
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}
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