status-go/transactions/transactor_test.go

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package transactions
import (
"context"
"errors"
"fmt"
"math"
"math/big"
"reflect"
"testing"
"time"
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
"github.com/ethereum/go-ethereum/accounts/keystore"
"github.com/ethereum/go-ethereum/common"
gethcommon "github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/contracts/ens/contract"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
gethparams "github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rlp"
gethrpc "github.com/ethereum/go-ethereum/rpc"
"github.com/golang/mock/gomock"
"github.com/status-im/status-go/account"
"github.com/status-im/status-go/params"
"github.com/status-im/status-go/rpc"
. "github.com/status-im/status-go/t/utils"
"github.com/status-im/status-go/transactions/fake"
"github.com/stretchr/testify/suite"
)
func TestTransactorSuite(t *testing.T) {
suite.Run(t, new(TransactorSuite))
}
type TransactorSuite struct {
suite.Suite
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server *gethrpc.Server
client *gethrpc.Client
txServiceMockCtrl *gomock.Controller
txServiceMock *fake.MockPublicTransactionPoolAPI
nodeConfig *params.NodeConfig
manager *Transactor
}
func (s *TransactorSuite) SetupTest() {
s.txServiceMockCtrl = gomock.NewController(s.T())
s.server, s.txServiceMock = fake.NewTestServer(s.txServiceMockCtrl)
s.client = gethrpc.DialInProc(s.server)
rpcClient, _ := rpc.NewClient(s.client, params.UpstreamRPCConfig{})
// expected by simulated backend
chainID := gethparams.AllEthashProtocolChanges.ChainID.Uint64()
nodeConfig, err := MakeTestNodeConfigWithDataDir("", "/tmp", chainID)
s.Require().NoError(err)
s.nodeConfig = nodeConfig
s.manager = NewTransactor()
s.manager.sendTxTimeout = time.Second
s.manager.SetNetworkID(chainID)
s.manager.SetRPC(rpcClient, time.Second)
}
func (s *TransactorSuite) TearDownTest() {
s.txServiceMockCtrl.Finish()
s.server.Stop()
s.client.Close()
}
var (
testGas = hexutil.Uint64(defaultGas + 1)
testGasPrice = (*hexutil.Big)(big.NewInt(10))
testNonce = hexutil.Uint64(10)
)
func (s *TransactorSuite) setupTransactionPoolAPI(args SendTxArgs, returnNonce, resultNonce hexutil.Uint64, account *account.SelectedExtKey, txErr error) {
// Expect calls to gas functions only if there are no user defined values.
// And also set the expected gas and gas price for RLP encoding the expected tx.
var usedGas hexutil.Uint64
var usedGasPrice *big.Int
s.txServiceMock.EXPECT().GetTransactionCount(gomock.Any(), account.Address, gethrpc.PendingBlockNumber).Return(&returnNonce, nil)
if args.GasPrice == nil {
usedGasPrice = (*big.Int)(testGasPrice)
s.txServiceMock.EXPECT().GasPrice(gomock.Any()).Return(testGasPrice, nil)
} else {
usedGasPrice = (*big.Int)(args.GasPrice)
}
if args.Gas == nil {
s.txServiceMock.EXPECT().EstimateGas(gomock.Any(), gomock.Any()).Return(testGas, nil)
usedGas = testGas
} else {
usedGas = *args.Gas
}
// Prepare the transaction and RLP encode it.
data := s.rlpEncodeTx(args, s.nodeConfig, account, &resultNonce, usedGas, usedGasPrice)
// Expect the RLP encoded transaction.
s.txServiceMock.EXPECT().SendRawTransaction(gomock.Any(), data).Return(gethcommon.Hash{}, txErr)
}
func (s *TransactorSuite) rlpEncodeTx(args SendTxArgs, config *params.NodeConfig, account *account.SelectedExtKey, nonce *hexutil.Uint64, gas hexutil.Uint64, gasPrice *big.Int) hexutil.Bytes {
newTx := types.NewTransaction(
uint64(*nonce),
*args.To,
args.Value.ToInt(),
uint64(gas),
gasPrice,
[]byte(args.Input),
)
chainID := big.NewInt(int64(config.NetworkID))
signedTx, err := types.SignTx(newTx, types.NewEIP155Signer(chainID), account.AccountKey.PrivateKey)
s.NoError(err)
data, err := rlp.EncodeToBytes(signedTx)
s.NoError(err)
return hexutil.Bytes(data)
}
func (s *TransactorSuite) TestGasValues() {
key, _ := crypto.GenerateKey()
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selectedAccount := &account.SelectedExtKey{
Address: account.FromAddress(TestConfig.Account1.WalletAddress),
AccountKey: &keystore.Key{PrivateKey: key},
}
testCases := []struct {
name string
gas *hexutil.Uint64
gasPrice *hexutil.Big
}{
{
"noGasDef",
nil,
nil,
},
{
"gasDefined",
&testGas,
nil,
},
{
"gasPriceDefined",
nil,
testGasPrice,
},
{
"nilSignTransactionSpecificArgs",
nil,
nil,
},
}
for _, testCase := range testCases {
s.T().Run(testCase.name, func(t *testing.T) {
s.SetupTest()
args := SendTxArgs{
From: account.FromAddress(TestConfig.Account1.WalletAddress),
To: account.ToAddress(TestConfig.Account2.WalletAddress),
Gas: testCase.gas,
GasPrice: testCase.gasPrice,
}
s.setupTransactionPoolAPI(args, testNonce, testNonce, selectedAccount, nil)
hash, err := s.manager.SendTransaction(args, selectedAccount)
s.NoError(err)
s.False(reflect.DeepEqual(hash, gethcommon.Hash{}))
})
}
}
func (s *TransactorSuite) TestArgsValidation() {
args := SendTxArgs{
From: account.FromAddress(TestConfig.Account1.WalletAddress),
To: account.ToAddress(TestConfig.Account2.WalletAddress),
Data: hexutil.Bytes([]byte{0x01, 0x02}),
Input: hexutil.Bytes([]byte{0x02, 0x01}),
}
s.False(args.Valid())
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selectedAccount := &account.SelectedExtKey{
Address: account.FromAddress(TestConfig.Account1.WalletAddress),
}
_, err := s.manager.SendTransaction(args, selectedAccount)
s.EqualError(err, ErrInvalidSendTxArgs.Error())
}
func (s *TransactorSuite) TestAccountMismatch() {
args := SendTxArgs{
From: account.FromAddress(TestConfig.Account1.WalletAddress),
To: account.ToAddress(TestConfig.Account2.WalletAddress),
}
var err error
// missing account
_, err = s.manager.SendTransaction(args, nil)
s.EqualError(err, account.ErrNoAccountSelected.Error())
// mismatched accounts
selectedAccount := &account.SelectedExtKey{
Address: account.FromAddress(TestConfig.Account2.WalletAddress),
}
_, err = s.manager.SendTransaction(args, selectedAccount)
s.EqualError(err, ErrInvalidTxSender.Error())
}
// TestLocalNonce verifies that local nonce will be used unless
// upstream nonce is updated and higher than a local
// in test we will run 3 transaction with nonce zero returned by upstream
// node, after each call local nonce will be incremented
// then, we return higher nonce, as if another node was used to send 2 transactions
// upstream nonce will be equal to 5, we update our local counter to 5+1
// as the last step, we verify that if tx failed nonce is not updated
func (s *TransactorSuite) TestLocalNonce() {
txCount := 3
key, _ := crypto.GenerateKey()
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selectedAccount := &account.SelectedExtKey{
Address: account.FromAddress(TestConfig.Account1.WalletAddress),
AccountKey: &keystore.Key{PrivateKey: key},
}
nonce := hexutil.Uint64(0)
for i := 0; i < txCount; i++ {
args := SendTxArgs{
From: account.FromAddress(TestConfig.Account1.WalletAddress),
To: account.ToAddress(TestConfig.Account2.WalletAddress),
}
s.setupTransactionPoolAPI(args, nonce, hexutil.Uint64(i), selectedAccount, nil)
_, err := s.manager.SendTransaction(args, selectedAccount)
s.NoError(err)
resultNonce, _ := s.manager.localNonce.Load(args.From)
s.Equal(uint64(i)+1, resultNonce.(uint64))
}
nonce = hexutil.Uint64(5)
args := SendTxArgs{
From: account.FromAddress(TestConfig.Account1.WalletAddress),
To: account.ToAddress(TestConfig.Account2.WalletAddress),
}
s.setupTransactionPoolAPI(args, nonce, nonce, selectedAccount, nil)
_, err := s.manager.SendTransaction(args, selectedAccount)
s.NoError(err)
resultNonce, _ := s.manager.localNonce.Load(args.From)
s.Equal(uint64(nonce)+1, resultNonce.(uint64))
testErr := errors.New("test")
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s.txServiceMock.EXPECT().GetTransactionCount(gomock.Any(), selectedAccount.Address, gethrpc.PendingBlockNumber).Return(nil, testErr)
args = SendTxArgs{
From: account.FromAddress(TestConfig.Account1.WalletAddress),
To: account.ToAddress(TestConfig.Account2.WalletAddress),
}
_, err = s.manager.SendTransaction(args, selectedAccount)
s.EqualError(err, testErr.Error())
resultNonce, _ = s.manager.localNonce.Load(args.From)
s.Equal(uint64(nonce)+1, resultNonce.(uint64))
}
func (s *TransactorSuite) TestContractCreation() {
key, _ := crypto.GenerateKey()
testaddr := crypto.PubkeyToAddress(key.PublicKey)
genesis := core.GenesisAlloc{
testaddr: {Balance: big.NewInt(100000000000)},
}
backend := backends.NewSimulatedBackend(genesis, math.MaxInt64)
selectedAccount := &account.SelectedExtKey{
Address: testaddr,
AccountKey: &keystore.Key{PrivateKey: key},
}
s.manager.sender = backend
s.manager.gasCalculator = backend
s.manager.pendingNonceProvider = backend
tx := SendTxArgs{
From: testaddr,
Input: hexutil.Bytes(gethcommon.FromHex(contract.ENSBin)),
}
hash, err := s.manager.SendTransaction(tx, selectedAccount)
s.NoError(err)
backend.Commit()
receipt, err := backend.TransactionReceipt(context.TODO(), hash)
s.NoError(err)
s.Equal(crypto.CreateAddress(testaddr, 0), receipt.ContractAddress)
}
func (s *TransactorSuite) TestSendTransactionWithSignature() {
privKey, err := crypto.GenerateKey()
s.Require().NoError(err)
address := crypto.PubkeyToAddress(privKey.PublicKey)
scenarios := []struct {
localNonce hexutil.Uint64
txNonce hexutil.Uint64
expectError bool
}{
{
localNonce: hexutil.Uint64(0),
txNonce: hexutil.Uint64(0),
expectError: false,
},
{
localNonce: hexutil.Uint64(1),
txNonce: hexutil.Uint64(0),
expectError: true,
},
{
localNonce: hexutil.Uint64(0),
txNonce: hexutil.Uint64(1),
expectError: true,
},
}
for _, scenario := range scenarios {
desc := fmt.Sprintf("local nonce: %d, tx nonce: %d, expect error: %v", scenario.localNonce, scenario.txNonce, scenario.expectError)
s.T().Run(desc, func(t *testing.T) {
s.manager.localNonce.Store(address, uint64(scenario.localNonce))
nonce := scenario.txNonce
from := address
to := address
value := (*hexutil.Big)(big.NewInt(10))
gas := hexutil.Uint64(21000)
gasPrice := (*hexutil.Big)(big.NewInt(2000000000))
data := []byte{}
chainID := big.NewInt(int64(s.nodeConfig.NetworkID))
args := SendTxArgs{
From: from,
To: &to,
Gas: &gas,
GasPrice: gasPrice,
Value: value,
Nonce: &nonce,
Data: nil,
}
// simulate transaction signed externally
signer := types.NewEIP155Signer(chainID)
tx := types.NewTransaction(uint64(nonce), to, (*big.Int)(value), uint64(gas), (*big.Int)(gasPrice), data)
hash := signer.Hash(tx)
sig, err := crypto.Sign(hash[:], privKey)
s.Require().NoError(err)
txWithSig, err := tx.WithSignature(signer, sig)
s.Require().NoError(err)
expectedEncodedTx, err := rlp.EncodeToBytes(txWithSig)
s.Require().NoError(err)
s.txServiceMock.EXPECT().
GetTransactionCount(gomock.Any(), address, gethrpc.PendingBlockNumber).
Return(&scenario.localNonce, nil)
if !scenario.expectError {
s.txServiceMock.EXPECT().
SendRawTransaction(gomock.Any(), hexutil.Bytes(expectedEncodedTx)).
Return(gethcommon.Hash{}, nil)
}
_, err = s.manager.SendTransactionWithSignature(args, sig)
if scenario.expectError {
s.Error(err)
// local nonce should not be incremented
resultNonce, _ := s.manager.localNonce.Load(args.From)
s.Equal(uint64(scenario.localNonce), resultNonce.(uint64))
} else {
s.NoError(err)
// local nonce should be incremented
resultNonce, _ := s.manager.localNonce.Load(args.From)
s.Equal(uint64(nonce)+1, resultNonce.(uint64))
}
})
}
}
func (s *TransactorSuite) TestHashTransaction() {
privKey, err := crypto.GenerateKey()
s.Require().NoError(err)
address := crypto.PubkeyToAddress(privKey.PublicKey)
remoteNonce := hexutil.Uint64(1)
txNonce := hexutil.Uint64(0)
from := address
to := address
value := (*hexutil.Big)(big.NewInt(10))
gas := hexutil.Uint64(21000)
gasPrice := (*hexutil.Big)(big.NewInt(2000000000))
args := SendTxArgs{
From: from,
To: &to,
Gas: &gas,
GasPrice: gasPrice,
Value: value,
Nonce: &txNonce,
Data: nil,
}
s.txServiceMock.EXPECT().
GetTransactionCount(gomock.Any(), address, gethrpc.PendingBlockNumber).
Return(&remoteNonce, nil)
newArgs, hash, err := s.manager.HashTransaction(args)
s.Require().NoError(err)
// args should be updated with the right nonce
s.NotEqual(*args.Nonce, *newArgs.Nonce)
s.Equal(remoteNonce, *newArgs.Nonce)
s.NotEqual(common.Hash{}, hash)
}