ipld-eth-server/test/integration_test.go
2022-09-14 01:20:16 -04:00

603 lines
21 KiB
Go

package integration_test
import (
"context"
"math/big"
"os"
"strconv"
"time"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/ethereum/go-ethereum/rlp"
. "github.com/onsi/ginkgo"
. "github.com/onsi/gomega"
"github.com/cerc-io/ipld-eth-server/v4/pkg/eth"
integration "github.com/cerc-io/ipld-eth-server/v4/test"
)
const nonExistingBlockHash = "0x111111111111111111111111111111111111111111111111111111111111111"
const nonExistingAddress = "0x1111111111111111111111111111111111111111"
var (
randomAddr = common.HexToAddress("0x1C3ab14BBaD3D99F4203bd7a11aCB94882050E6f")
randomHash = crypto.Keccak256Hash(randomAddr.Bytes())
)
var _ = Describe("Integration test", func() {
directProxyEthCalls, err := strconv.ParseBool(os.Getenv("ETH_FORWARD_ETH_CALLS"))
Expect(err).To(BeNil())
gethHttpPath := "http://127.0.0.1:8545"
gethClient, err := ethclient.Dial(gethHttpPath)
Expect(err).ToNot(HaveOccurred())
ipldEthHttpPath := "http://127.0.0.1:8081"
ipldClient, err := ethclient.Dial(ipldEthHttpPath)
Expect(err).ToNot(HaveOccurred())
ctx := context.Background()
var contract *integration.ContractDeployed
var erc20TotalSupply *big.Int
var tx *integration.Tx
var bigIntResult bool
var contractErr error
var txErr error
sleepInterval := 2 * time.Second
BeforeEach(func() {
if directProxyEthCalls {
Skip("skipping no-direct-proxy-forwarding integration tests")
}
})
Describe("get Block", func() {
BeforeEach(func() {
contract, contractErr = integration.DeployContract()
time.Sleep(sleepInterval)
})
It("get not existing block by number", func() {
Expect(contractErr).ToNot(HaveOccurred())
blockNum := contract.BlockNumber + 100
gethBlock, err := gethClient.BlockByNumber(ctx, big.NewInt(int64(blockNum)))
Expect(err).To(MatchError(ethereum.NotFound))
Expect(gethBlock).To(BeZero())
ipldBlock, err := ipldClient.BlockByNumber(ctx, big.NewInt(int64(blockNum)))
Expect(err).To(MatchError(ethereum.NotFound))
Expect(ipldBlock).To(BeZero())
})
It("get not existing block by hash", func() {
gethBlock, err := gethClient.BlockByHash(ctx, common.HexToHash(nonExistingBlockHash))
Expect(err).To(MatchError(ethereum.NotFound))
Expect(gethBlock).To(BeZero())
ipldBlock, err := ipldClient.BlockByHash(ctx, common.HexToHash(nonExistingBlockHash))
Expect(err).To(MatchError(ethereum.NotFound))
Expect(ipldBlock).To(BeZero())
})
It("get block by number", func() {
Expect(contractErr).ToNot(HaveOccurred())
blockNum := contract.BlockNumber
gethBlock, err := gethClient.BlockByNumber(ctx, big.NewInt(int64(blockNum)))
Expect(err).ToNot(HaveOccurred())
ipldBlock, err := ipldClient.BlockByNumber(ctx, big.NewInt(int64(blockNum)))
Expect(err).ToNot(HaveOccurred())
// check headers are equals
Expect(gethBlock.Header()).To(Equal(ipldBlock.Header()))
gethTxs := gethBlock.Transactions()
ipldTxs := ipldBlock.Transactions()
Expect(gethTxs.Len()).To(Equal(ipldTxs.Len()))
Expect(types.TxDifference(gethTxs, ipldTxs).Len()).To(Equal(0))
})
It("get block by hash", func() {
gethBlock, err := gethClient.BlockByHash(ctx, common.HexToHash(contract.BlockHash))
Expect(err).ToNot(HaveOccurred())
ipldBlock, err := ipldClient.BlockByHash(ctx, common.HexToHash(contract.BlockHash))
Expect(err).ToNot(HaveOccurred())
// check headers are equals
compareBlocks(gethBlock, ipldBlock)
gethTxs := gethBlock.Transactions()
ipldTxs := ipldBlock.Transactions()
Expect(gethTxs.Len()).To(Equal(ipldTxs.Len()))
Expect(types.TxDifference(gethTxs, ipldTxs).Len()).To(Equal(0))
})
})
Describe("Transaction", func() {
BeforeEach(func() {
contract, contractErr = integration.DeployContract()
time.Sleep(sleepInterval)
})
It("Get tx by hash", func() {
Expect(contractErr).ToNot(HaveOccurred())
gethTx, _, err := gethClient.TransactionByHash(ctx, common.HexToHash(contract.TransactionHash))
Expect(err).ToNot(HaveOccurred())
ipldTx, _, err := ipldClient.TransactionByHash(ctx, common.HexToHash(contract.TransactionHash))
Expect(err).ToNot(HaveOccurred())
compareTxs(gethTx, ipldTx)
Expect(gethTx.Hash()).To(Equal(ipldTx.Hash()))
})
It("Get tx by block hash and index", func() {
gethTx, err := gethClient.TransactionInBlock(ctx, common.HexToHash(contract.BlockHash), 0)
Expect(err).ToNot(HaveOccurred())
ipldTx, err := ipldClient.TransactionInBlock(ctx, common.HexToHash(contract.BlockHash), 0)
Expect(err).ToNot(HaveOccurred())
compareTxs(gethTx, ipldTx)
})
})
Describe("Receipt", func() {
BeforeEach(func() {
contract, contractErr = integration.DeployContract()
time.Sleep(sleepInterval)
})
It("Get tx receipt", func() {
Expect(contractErr).ToNot(HaveOccurred())
gethReceipt, err := gethClient.TransactionReceipt(ctx, common.HexToHash(contract.TransactionHash))
Expect(err).ToNot(HaveOccurred())
ipldReceipt, err := ipldClient.TransactionReceipt(ctx, common.HexToHash(contract.TransactionHash))
Expect(err).ToNot(HaveOccurred())
Expect(gethReceipt).To(Equal(ipldReceipt))
rlpGeth, err := rlp.EncodeToBytes(gethReceipt)
Expect(err).ToNot(HaveOccurred())
rlpIpld, err := rlp.EncodeToBytes(ipldReceipt)
Expect(err).ToNot(HaveOccurred())
Expect(rlpGeth).To(Equal(rlpIpld))
})
})
Describe("FilterLogs", func() {
BeforeEach(func() {
contract, contractErr = integration.DeployContract()
time.Sleep(sleepInterval)
})
It("with blockhash", func() {
Expect(contractErr).ToNot(HaveOccurred())
blockHash := common.HexToHash(contract.BlockHash)
filterQuery := ethereum.FilterQuery{
//Addresses: addresses,
BlockHash: &blockHash,
Topics: [][]common.Hash{},
}
gethLogs, err := gethClient.FilterLogs(ctx, filterQuery)
Expect(err).ToNot(HaveOccurred())
ipldLogs, err := ipldClient.FilterLogs(ctx, filterQuery)
Expect(err).ToNot(HaveOccurred())
// not empty list
Expect(gethLogs).ToNot(BeEmpty())
Expect(len(gethLogs)).To(Equal(len(ipldLogs)))
Expect(gethLogs).To(Equal(ipldLogs))
})
})
Describe("CodeAt", func() {
BeforeEach(func() {
contract, contractErr = integration.DeployContract()
time.Sleep(sleepInterval)
})
It("gets code at non-existing address without block number", func() {
Expect(contractErr).ToNot(HaveOccurred())
gethCode, err := gethClient.CodeAt(ctx, common.HexToAddress(nonExistingAddress), nil)
Expect(err).ToNot(HaveOccurred())
ipldCode, err := ipldClient.CodeAt(ctx, common.HexToAddress(nonExistingAddress), nil)
Expect(err).ToNot(HaveOccurred())
Expect(gethCode).To(BeEmpty())
Expect(gethCode).To(Equal(ipldCode))
})
It("gets code of deployed contract without block number", func() {
gethCode, err := gethClient.CodeAt(ctx, common.HexToAddress(contract.Address), nil)
Expect(err).ToNot(HaveOccurred())
ipldCode, err := ipldClient.CodeAt(ctx, common.HexToAddress(contract.Address), nil)
Expect(err).ToNot(HaveOccurred())
Expect(gethCode).To(Equal(ipldCode))
})
It("gets code of deployed contract with block number", func() {
gethCode, err := gethClient.CodeAt(ctx, common.HexToAddress(contract.Address), big.NewInt(int64(contract.BlockNumber)))
Expect(err).ToNot(HaveOccurred())
ipldCode, err := ipldClient.CodeAt(ctx, common.HexToAddress(contract.Address), big.NewInt(int64(contract.BlockNumber)))
Expect(err).ToNot(HaveOccurred())
Expect(gethCode).To(Equal(ipldCode))
})
It("gets code of contract that doesn't exist at this height", func() {
gethCode, err := gethClient.CodeAt(ctx, common.HexToAddress(contract.Address), big.NewInt(int64(contract.BlockNumber-1)))
Expect(err).ToNot(HaveOccurred())
ipldCode, err := ipldClient.CodeAt(ctx, common.HexToAddress(contract.Address), big.NewInt(int64(contract.BlockNumber-1)))
Expect(err).ToNot(HaveOccurred())
Expect(gethCode).To(BeEmpty())
Expect(gethCode).To(Equal(ipldCode))
})
})
Describe("Get balance", func() {
address := "0x1111111111111111111111111111111111111112"
BeforeEach(func() {
tx, txErr = integration.SendEth(address, "0.01")
time.Sleep(sleepInterval)
})
It("gets balance for an account with eth without block number", func() {
Expect(txErr).ToNot(HaveOccurred())
gethBalance, err := gethClient.BalanceAt(ctx, common.HexToAddress(address), nil)
Expect(err).ToNot(HaveOccurred())
ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(address), nil)
Expect(err).ToNot(HaveOccurred())
Expect(gethBalance).To(Equal(ipldBalance))
})
It("gets balance for an account with eth with block number", func() {
Expect(txErr).ToNot(HaveOccurred())
gethBalance, err := gethClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber)))
Expect(err).ToNot(HaveOccurred())
ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber)))
Expect(err).ToNot(HaveOccurred())
Expect(gethBalance).To(Equal(ipldBalance))
})
It("gets historical balance for an account with eth with block number", func() {
Expect(txErr).ToNot(HaveOccurred())
gethBalance, err := gethClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber-1)))
Expect(err).ToNot(HaveOccurred())
ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber-1)))
Expect(err).ToNot(HaveOccurred())
Expect(gethBalance).To(Equal(ipldBalance))
})
It("gets balance for a non-existing account without block number", func() {
Expect(txErr).ToNot(HaveOccurred())
gethBalance, err := gethClient.BalanceAt(ctx, common.HexToAddress(nonExistingAddress), nil)
Expect(err).ToNot(HaveOccurred())
ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(nonExistingAddress), nil)
Expect(err).ToNot(HaveOccurred())
Expect(gethBalance).To(Equal(ipldBalance))
})
It("gets balance for an non-existing block number", func() {
Expect(txErr).ToNot(HaveOccurred())
gethBalance, err := gethClient.BalanceAt(ctx, common.HexToAddress(address), big.NewInt(int64(tx.BlockNumber+3)))
Expect(err).To(MatchError("header not found"))
ipldBalance, err := ipldClient.BalanceAt(ctx, common.HexToAddress(nonExistingAddress), big.NewInt(int64(tx.BlockNumber+3)))
Expect(err).To(MatchError("header not found"))
Expect(gethBalance).To(Equal(ipldBalance))
})
})
Describe("Get Storage", func() {
var slvContract *integration.ContractDeployed
var slvCountA *big.Int
contractSalt := "SLVContractSalt"
BeforeEach(func() {
contract, contractErr = integration.DeployContract()
erc20TotalSupply, bigIntResult = new(big.Int).SetString("1000000000000000000000", 10)
time.Sleep(sleepInterval)
})
It("gets ERC20 total supply (without block number)", func() {
Expect(contractErr).ToNot(HaveOccurred())
Expect(bigIntResult).To(Equal(true))
totalSupplyIndex := "0x2"
gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), nil)
Expect(err).ToNot(HaveOccurred())
gethTotalSupply := new(big.Int).SetBytes(gethStorage)
Expect(gethTotalSupply).To(Equal(erc20TotalSupply))
ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), nil)
Expect(err).ToNot(HaveOccurred())
ipldTotalSupply := new(big.Int).SetBytes(ipldStorage)
Expect(ipldTotalSupply).To(Equal(erc20TotalSupply))
Expect(gethStorage).To(Equal(ipldStorage))
})
It("gets ERC20 total supply (with block number)", func() {
totalSupplyIndex := "0x2"
gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(int64(contract.BlockNumber)))
Expect(err).ToNot(HaveOccurred())
gethTotalSupply := new(big.Int).SetBytes(gethStorage)
Expect(gethTotalSupply).To(Equal(erc20TotalSupply))
ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(int64(contract.BlockNumber)))
Expect(err).ToNot(HaveOccurred())
Expect(gethStorage).To(Equal(ipldStorage))
})
It("gets storage for non-existing account", func() {
totalSupplyIndex := "0x2"
gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(nonExistingAddress), common.HexToHash(totalSupplyIndex), big.NewInt(int64(contract.BlockNumber)))
Expect(err).ToNot(HaveOccurred())
ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(nonExistingAddress), common.HexToHash(totalSupplyIndex), big.NewInt(int64(contract.BlockNumber)))
Expect(err).ToNot(HaveOccurred())
Expect(gethStorage).To(Equal(ipldStorage))
})
It("gets storage for non-existing contract slot", func() {
gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), randomHash, big.NewInt(int64(contract.BlockNumber)))
Expect(err).ToNot(HaveOccurred())
ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), randomHash, big.NewInt(int64(contract.BlockNumber)))
Expect(err).ToNot(HaveOccurred())
Expect(gethStorage).To(Equal(ipldStorage))
})
It("gets storage for non-existing contract", func() {
totalSupplyIndex := "0x2"
gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(0))
Expect(err).ToNot(HaveOccurred())
ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(0))
Expect(err).ToNot(HaveOccurred())
Expect(gethStorage).To(Equal(ipldStorage))
})
It("gets storage for non-existing block number", func() {
blockNum := contract.BlockNumber + 100
totalSupplyIndex := "0x2"
gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(int64(blockNum)))
Expect(err).To(MatchError("header not found"))
ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(int64(blockNum)))
Expect(err).To(MatchError("header not found"))
Expect(gethStorage).To(Equal(ipldStorage))
})
It("get storage for SLV countA after tx", func() {
slvContract, contractErr = integration.Create2Contract("SLVToken", contractSalt)
Expect(contractErr).ToNot(HaveOccurred())
countAIndex := "0x5"
time.Sleep(sleepInterval)
gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(slvContract.Address), common.HexToHash(countAIndex), nil)
Expect(err).ToNot(HaveOccurred())
gethCountA := new(big.Int).SetBytes(gethStorage)
slvCountA = gethCountA
ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(slvContract.Address), common.HexToHash(countAIndex), nil)
Expect(err).ToNot(HaveOccurred())
ipldCountA := new(big.Int).SetBytes(ipldStorage)
Expect(ipldCountA.String()).To(Equal(slvCountA.String()))
_, txErr = integration.IncrementCount(slvContract.Address, "A")
Expect(txErr).ToNot(HaveOccurred())
slvCountA.Add(slvCountA, big.NewInt(1))
time.Sleep(sleepInterval)
ipldStorage, err = ipldClient.StorageAt(ctx, common.HexToAddress(slvContract.Address), common.HexToHash(countAIndex), nil)
Expect(err).ToNot(HaveOccurred())
ipldCountA = new(big.Int).SetBytes(ipldStorage)
Expect(ipldCountA.String()).To(Equal(slvCountA.String()))
})
It("get storage after self destruct", func() {
totalSupplyIndex := "0x2"
countAIndex := "0x5"
tx, err := integration.DestroyContract(contract.Address)
Expect(err).ToNot(HaveOccurred())
slvTx, err := integration.DestroyContract(slvContract.Address)
Expect(err).ToNot(HaveOccurred())
time.Sleep(sleepInterval)
gethStorage1, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(tx.BlockNumber-1))
Expect(err).ToNot(HaveOccurred())
gethStorage2, err := gethClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(tx.BlockNumber))
Expect(err).ToNot(HaveOccurred())
Expect(gethStorage1).NotTo(Equal(gethStorage2))
Expect(gethStorage2).To(Equal(eth.EmptyNodeValue))
ipldStorage1, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(tx.BlockNumber-1))
Expect(err).ToNot(HaveOccurred())
ipldStorage2, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), big.NewInt(tx.BlockNumber))
Expect(err).ToNot(HaveOccurred())
Expect(ipldStorage1).To(Equal(gethStorage1))
Expect(ipldStorage2).To(Equal(gethStorage2))
// Query the current block
ipldStorage3, err := ipldClient.StorageAt(ctx, common.HexToAddress(contract.Address), common.HexToHash(totalSupplyIndex), nil)
Expect(err).ToNot(HaveOccurred())
Expect(ipldStorage2).To(Equal(ipldStorage3))
// Check for SLV contract
gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(slvContract.Address), common.HexToHash(countAIndex), big.NewInt(slvTx.BlockNumber))
Expect(err).ToNot(HaveOccurred())
Expect(gethStorage).To(Equal(eth.EmptyNodeValue))
ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(slvContract.Address), common.HexToHash(countAIndex), big.NewInt(slvTx.BlockNumber))
Expect(err).ToNot(HaveOccurred())
Expect(ipldStorage).To(Equal(gethStorage))
slvCountA.Set(big.NewInt(0))
})
It("get storage after redeploying", func() {
slvContract, contractErr = integration.Create2Contract("SLVToken", contractSalt)
Expect(contractErr).ToNot(HaveOccurred())
time.Sleep(sleepInterval)
countAIndex := "0x5"
gethStorage, err := gethClient.StorageAt(ctx, common.HexToAddress(slvContract.Address), common.HexToHash(countAIndex), nil)
Expect(err).ToNot(HaveOccurred())
gethCountA := new(big.Int).SetBytes(gethStorage)
Expect(gethCountA.String()).To(Equal(slvCountA.String()))
ipldStorage, err := ipldClient.StorageAt(ctx, common.HexToAddress(slvContract.Address), common.HexToHash(countAIndex), nil)
Expect(err).ToNot(HaveOccurred())
ipldCountA := new(big.Int).SetBytes(ipldStorage)
Expect(ipldCountA.String()).To(Equal(slvCountA.String()))
Expect(gethStorage).To(Equal(ipldStorage))
})
})
Describe("eth call", func() {
BeforeEach(func() {
contract, contractErr = integration.DeployContract()
erc20TotalSupply, bigIntResult = new(big.Int).SetString("1000000000000000000000", 10)
time.Sleep(sleepInterval)
})
It("calls totalSupply() without block number", func() {
Expect(contractErr).ToNot(HaveOccurred())
Expect(bigIntResult).To(Equal(true))
contractAddress := common.HexToAddress(contract.Address)
msg := ethereum.CallMsg{
To: &contractAddress,
Data: common.Hex2Bytes("18160ddd"), // totalSupply()
}
gethResult, err := gethClient.CallContract(ctx, msg, nil)
Expect(err).ToNot(HaveOccurred())
gethTotalSupply := new(big.Int).SetBytes(gethResult)
Expect(gethTotalSupply).To(Equal(erc20TotalSupply))
ipldResult, err := ipldClient.CallContract(ctx, msg, nil)
Expect(err).ToNot(HaveOccurred())
Expect(gethResult).To(Equal(ipldResult))
})
It("calls totalSupply() with block number", func() {
contractAddress := common.HexToAddress(contract.Address)
msg := ethereum.CallMsg{
To: &contractAddress,
Data: common.Hex2Bytes("18160ddd"), // totalSupply()
}
gethResult, err := gethClient.CallContract(ctx, msg, big.NewInt(int64(contract.BlockNumber)))
Expect(err).ToNot(HaveOccurred())
gethTotalSupply := new(big.Int).SetBytes(gethResult)
Expect(gethTotalSupply).To(Equal(erc20TotalSupply))
ipldResult, err := ipldClient.CallContract(ctx, msg, big.NewInt(int64(contract.BlockNumber)))
Expect(err).ToNot(HaveOccurred())
Expect(gethResult).To(Equal(ipldResult))
})
})
Describe("Chain ID", func() {
It("Check chain id", func() {
gethChainId, err := gethClient.ChainID(ctx)
Expect(err).ToNot(HaveOccurred())
ipldChainId, err := ipldClient.ChainID(ctx)
Expect(err).ToNot(HaveOccurred())
Expect(gethChainId).To(Equal(ipldChainId))
})
})
})
func compareBlocks(block1 *types.Block, block2 *types.Block) {
Expect(block1.Header()).To(Equal(block2.Header()))
Expect(block1.Uncles()).To(Equal(block2.Uncles()))
txs1 := block1.Transactions()
txs2 := block2.Transactions()
Expect(len(txs1)).To(Equal(len(txs2)))
for i, tx := range txs1 {
compareTxs(tx, txs2[i])
}
}
func compareTxs(tx1 *types.Transaction, tx2 *types.Transaction) {
Expect(tx1.Data()).To(Equal(tx2.Data()))
Expect(tx1.Hash()).To(Equal(tx2.Hash()))
Expect(tx1.Size()).To(Equal(tx2.Size()))
signer := types.NewEIP155Signer(big.NewInt(99))
gethSender, err := types.Sender(signer, tx1)
Expect(err).ToNot(HaveOccurred())
ipldSender, err := types.Sender(signer, tx2)
Expect(err).ToNot(HaveOccurred())
Expect(gethSender).To(Equal(ipldSender))
}