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lotus/itests/eth_legacy_transactions_test.go
Aarsh Shah c9c070727a
feat: ETH compatibility in Filecoin : Support Homestead and EIP-155 Ethereum transactions("legacy" transactions) in Filecoin (#11969) 
* poc for eth legacy tx

* print statements

* finished

* tests work

* remove print statements

* Remove all print statements

* remove extraneous changes

* cleaned up code and interface

* run make jen

* dont duplicate signature

* go mod tidy and remove prints

* clean up tests

* test for conversion

* changes as per review

* more unit tests for legacy txns

* Apply suggestions from code review

Co-authored-by: Rod Vagg <rod@vagg.org>

* address review comments from Rodd

* changes as per zen's 2nd review

* go mod tidy

* feat: ETH compatibility in Filecoin : Support EIP-155 Ethereum transactions in Filecoin (#11970)

* itests passing for 155 tx

* first working version for EIP-155 transactions

* green itest

* add docs

* tests

* remove print stmt

* remove print stmt

* validate signature

* changes as per zen's review

* correct signature verification

* gate tx by Network Version

* handle arajsek review

* fix imports order

* fix lint

* dont lock in mpool for network gating ETH messages

* sender can be an ID address

---------

Co-authored-by: Rod Vagg <rod@vagg.org>
2024-06-05 09:25:50 +04:00

401 lines
12 KiB
Go
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package itests
import (
"context"
"encoding/hex"
"encoding/json"
"fmt"
"os"
"testing"
"time"
"github.com/stretchr/testify/require"
"github.com/filecoin-project/go-state-types/abi"
"github.com/filecoin-project/go-state-types/big"
"github.com/filecoin-project/go-state-types/network"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/consensus/filcns"
"github.com/filecoin-project/lotus/chain/stmgr"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/chain/types/ethtypes"
"github.com/filecoin-project/lotus/itests/kit"
)
func TestLegacyValueTransferValidSignature(t *testing.T) {
blockTime := 100 * time.Millisecond
client, _, ens := kit.EnsembleMinimal(t, kit.MockProofs(), kit.ThroughRPC())
ens.InterconnectAll().BeginMining(blockTime)
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
defer cancel()
// create a new Ethereum account
key, ethAddr, deployer := client.EVM().NewAccount()
_, ethAddr2, _ := client.EVM().NewAccount()
kit.SendFunds(ctx, t, client, deployer, types.FromFil(1000))
gasParams, err := json.Marshal(ethtypes.EthEstimateGasParams{Tx: ethtypes.EthCall{
From: &ethAddr,
To: &ethAddr2,
Value: ethtypes.EthBigInt(big.NewInt(100)),
}})
require.NoError(t, err)
gaslimit, err := client.EthEstimateGas(ctx, gasParams)
require.NoError(t, err)
fmt.Println("gas limit is", gaslimit)
tx := ethtypes.EthLegacyHomesteadTxArgs{
Value: big.NewInt(100),
Nonce: 0,
To: &ethAddr2,
GasPrice: types.NanoFil,
GasLimit: int(gaslimit),
V: big.Zero(),
R: big.Zero(),
S: big.Zero(),
}
client.EVM().SignLegacyHomesteadTransaction(&tx, key.PrivateKey)
// Mangle signature
tx.V.Int.Xor(tx.V.Int, big.NewInt(1).Int)
signed, err := tx.ToRlpSignedMsg()
require.NoError(t, err)
// Submit transaction with bad signature
_, err = client.EVM().EthSendRawTransaction(ctx, signed)
require.Error(t, err)
// Submit transaction with valid signature
client.EVM().SignLegacyHomesteadTransaction(&tx, key.PrivateKey)
hash := client.EVM().SubmitTransaction(ctx, &tx)
receipt, err := client.EVM().WaitTransaction(ctx, hash)
require.NoError(t, err)
require.NotNil(t, receipt)
require.EqualValues(t, ethAddr, receipt.From)
require.EqualValues(t, ethAddr2, *receipt.To)
require.EqualValues(t, hash, receipt.TransactionHash)
// Success.
require.EqualValues(t, ethtypes.EthUint64(0x1), receipt.Status)
// Validate that we sent the expected transaction.
ethTx, err := client.EthGetTransactionByHash(ctx, &hash)
require.NoError(t, err)
require.Nil(t, ethTx.MaxPriorityFeePerGas)
require.Nil(t, ethTx.MaxFeePerGas)
require.EqualValues(t, ethAddr, ethTx.From)
require.EqualValues(t, ethAddr2, *ethTx.To)
require.EqualValues(t, tx.Nonce, ethTx.Nonce)
require.EqualValues(t, hash, ethTx.Hash)
require.EqualValues(t, tx.Value, ethTx.Value)
require.EqualValues(t, 0, ethTx.Type)
require.EqualValues(t, 0, ethTx.ChainID)
require.EqualValues(t, ethtypes.EthBytes{}, ethTx.Input)
require.EqualValues(t, tx.GasLimit, ethTx.Gas)
require.EqualValues(t, tx.GasPrice, *ethTx.GasPrice)
require.EqualValues(t, tx.R, ethTx.R)
require.EqualValues(t, tx.S, ethTx.S)
require.EqualValues(t, tx.V, ethTx.V)
}
func TestLegacyEIP155ValueTransferValidSignatureFailsNV22(t *testing.T) {
blockTime := 100 * time.Millisecond
nv23Height := 10
// We will move to NV23 at epoch 10
client, _, ens := kit.EnsembleMinimal(t, kit.MockProofs(), kit.ThroughRPC(), kit.UpgradeSchedule(stmgr.Upgrade{
Network: network.Version22,
Height: -1,
}, stmgr.Upgrade{
Network: network.Version23,
Height: abi.ChainEpoch(nv23Height),
Migration: filcns.UpgradeActorsV13,
}))
ens.InterconnectAll().BeginMining(blockTime)
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
defer cancel()
// create a new Ethereum account
key, ethAddr, deployer := client.EVM().NewAccount()
_, ethAddr2, _ := client.EVM().NewAccount()
kit.SendFunds(ctx, t, client, deployer, types.FromFil(1000))
gasParams, err := json.Marshal(ethtypes.EthEstimateGasParams{Tx: ethtypes.EthCall{
From: &ethAddr,
To: &ethAddr2,
Value: ethtypes.EthBigInt(big.NewInt(100)),
}})
require.NoError(t, err)
gaslimit, err := client.EthEstimateGas(ctx, gasParams)
require.NoError(t, err)
legacyTx := &ethtypes.EthLegacyHomesteadTxArgs{
Value: big.NewInt(100),
Nonce: 0,
To: &ethAddr2,
GasPrice: types.NanoFil,
GasLimit: int(gaslimit),
V: big.Zero(),
R: big.Zero(),
S: big.Zero(),
}
tx := ethtypes.NewEthLegacy155TxArgs(legacyTx)
// TX will fail as we're still at NV22
client.EVM().SignLegacyEIP155Transaction(tx, key.PrivateKey, big.NewInt(build.Eip155ChainId))
signed, err := tx.ToRawTxBytesSigned()
require.NoError(t, err)
_, err = client.EVM().EthSendRawTransaction(ctx, signed)
require.Error(t, err)
require.Contains(t, err.Error(), "network version should be atleast NV23 for sending legacy ETH transactions")
}
func TestLegacyEIP155ValueTransferValidSignature(t *testing.T) {
blockTime := 100 * time.Millisecond
client, _, ens := kit.EnsembleMinimal(t, kit.MockProofs(), kit.ThroughRPC())
ens.InterconnectAll().BeginMining(blockTime)
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
defer cancel()
// create a new Ethereum account
key, ethAddr, deployer := client.EVM().NewAccount()
_, ethAddr2, _ := client.EVM().NewAccount()
kit.SendFunds(ctx, t, client, deployer, types.FromFil(1000))
gasParams, err := json.Marshal(ethtypes.EthEstimateGasParams{Tx: ethtypes.EthCall{
From: &ethAddr,
To: &ethAddr2,
Value: ethtypes.EthBigInt(big.NewInt(100)),
}})
require.NoError(t, err)
gaslimit, err := client.EthEstimateGas(ctx, gasParams)
require.NoError(t, err)
legacyTx := &ethtypes.EthLegacyHomesteadTxArgs{
Value: big.NewInt(100),
Nonce: 0,
To: &ethAddr2,
GasPrice: types.NanoFil,
GasLimit: int(gaslimit),
V: big.Zero(),
R: big.Zero(),
S: big.Zero(),
}
tx := ethtypes.NewEthLegacy155TxArgs(legacyTx)
client.EVM().SignLegacyEIP155Transaction(tx, key.PrivateKey, big.NewInt(build.Eip155ChainId))
// Mangle signature
innerTx := tx.GetLegacyTx()
innerTx.V.Int.Xor(innerTx.V.Int, big.NewInt(1).Int)
signed, err := tx.ToRawTxBytesSigned()
require.NoError(t, err)
// Submit transaction with bad signature
_, err = client.EVM().EthSendRawTransaction(ctx, signed)
require.Error(t, err)
// Submit transaction with valid signature but incorrect chain ID
client.EVM().SignLegacyEIP155Transaction(tx, key.PrivateKey, big.NewInt(build.Eip155ChainId))
signed, err = tx.ToRawTxBytesSigned()
require.NoError(t, err)
hash, err := client.EVM().EthSendRawTransaction(ctx, signed)
require.NoError(t, err)
receipt, err := client.EVM().WaitTransaction(ctx, hash)
require.NoError(t, err)
require.NotNil(t, receipt)
require.EqualValues(t, ethAddr, receipt.From)
require.EqualValues(t, ethAddr2, *receipt.To)
require.EqualValues(t, hash, receipt.TransactionHash)
// Success.
require.EqualValues(t, ethtypes.EthUint64(0x1), receipt.Status)
// Validate that we sent the expected transaction.
ethTx, err := client.EthGetTransactionByHash(ctx, &hash)
require.NoError(t, err)
require.Nil(t, ethTx.MaxPriorityFeePerGas)
require.Nil(t, ethTx.MaxFeePerGas)
innerTx = tx.GetLegacyTx()
require.EqualValues(t, ethAddr, ethTx.From)
require.EqualValues(t, ethAddr2, *ethTx.To)
require.EqualValues(t, innerTx.Nonce, ethTx.Nonce)
require.EqualValues(t, hash, ethTx.Hash)
require.EqualValues(t, innerTx.Value, ethTx.Value)
require.EqualValues(t, 0, ethTx.Type)
require.EqualValues(t, build.Eip155ChainId, ethTx.ChainID)
require.EqualValues(t, ethtypes.EthBytes{}, ethTx.Input)
require.EqualValues(t, innerTx.GasLimit, ethTx.Gas)
require.EqualValues(t, innerTx.GasPrice, *ethTx.GasPrice)
require.EqualValues(t, innerTx.R, ethTx.R)
require.EqualValues(t, innerTx.S, ethTx.S)
require.EqualValues(t, innerTx.V, ethTx.V)
}
func TestLegacyContractInvocation(t *testing.T) {
blockTime := 100 * time.Millisecond
client, _, ens := kit.EnsembleMinimal(t, kit.MockProofs(), kit.ThroughRPC())
ens.InterconnectAll().BeginMining(blockTime)
ctx, cancel := context.WithTimeout(context.Background(), time.Minute)
defer cancel()
// create a new Ethereum account
key, ethAddr, deployer := client.EVM().NewAccount()
// send some funds to the f410 address
kit.SendFunds(ctx, t, client, deployer, types.FromFil(10))
// DEPLOY CONTRACT
tx, err := deployLegacyContractTx(ctx, t, client, ethAddr)
require.NoError(t, err)
client.EVM().SignLegacyHomesteadTransaction(tx, key.PrivateKey)
// Mangle signature
tx.V.Int.Xor(tx.V.Int, big.NewInt(1).Int)
signed, err := tx.ToRlpSignedMsg()
require.NoError(t, err)
// Submit transaction with bad signature
_, err = client.EVM().EthSendRawTransaction(ctx, signed)
require.Error(t, err)
// Submit transaction with valid signature
client.EVM().SignLegacyHomesteadTransaction(tx, key.PrivateKey)
hash := client.EVM().SubmitTransaction(ctx, tx)
receipt, err := client.EVM().WaitTransaction(ctx, hash)
require.NoError(t, err)
require.NotNil(t, receipt)
require.EqualValues(t, ethtypes.EthUint64(0x1), receipt.Status)
// Get contract address.
contractAddr := client.EVM().ComputeContractAddress(ethAddr, 0)
// INVOKE CONTRACT
// Params
// entry point for getBalance - f8b2cb4f
// address - ff00000000000000000000000000000000000064
params, err := hex.DecodeString("f8b2cb4f000000000000000000000000ff00000000000000000000000000000000000064")
require.NoError(t, err)
gasParams, err := json.Marshal(ethtypes.EthEstimateGasParams{Tx: ethtypes.EthCall{
From: &ethAddr,
To: &contractAddr,
Data: params,
}})
require.NoError(t, err)
gaslimit, err := client.EthEstimateGas(ctx, gasParams)
require.NoError(t, err)
maxPriorityFeePerGas, err := client.EthMaxPriorityFeePerGas(ctx)
require.NoError(t, err)
invokeTx := ethtypes.EthLegacyHomesteadTxArgs{
To: &contractAddr,
Value: big.Zero(),
Nonce: 1,
GasPrice: big.Int(maxPriorityFeePerGas),
GasLimit: int(gaslimit),
Input: params,
V: big.Zero(),
R: big.Zero(),
S: big.Zero(),
}
client.EVM().SignLegacyHomesteadTransaction(&invokeTx, key.PrivateKey)
// Mangle signature
invokeTx.V.Int.Xor(invokeTx.V.Int, big.NewInt(1).Int)
signed, err = invokeTx.ToRlpSignedMsg()
require.NoError(t, err)
// Submit transaction with bad signature
_, err = client.EVM().EthSendRawTransaction(ctx, signed)
require.Error(t, err)
// Submit transaction with valid signature
client.EVM().SignLegacyHomesteadTransaction(&invokeTx, key.PrivateKey)
hash = client.EVM().SubmitTransaction(ctx, &invokeTx)
receipt, err = client.EVM().WaitTransaction(ctx, hash)
require.NoError(t, err)
require.NotNil(t, receipt)
// Success.
require.EqualValues(t, ethtypes.EthUint64(0x1), receipt.Status)
// Validate that we correctly computed the gas outputs.
mCid, err := client.EthGetMessageCidByTransactionHash(ctx, &hash)
require.NoError(t, err)
require.NotNil(t, mCid)
invokResult, err := client.StateReplay(ctx, types.EmptyTSK, *mCid)
require.NoError(t, err)
require.EqualValues(t, invokResult.GasCost.GasUsed, big.NewInt(int64(receipt.GasUsed)))
effectiveGasPrice := big.Div(invokResult.GasCost.TotalCost, invokResult.GasCost.GasUsed)
require.EqualValues(t, effectiveGasPrice, big.Int(receipt.EffectiveGasPrice))
}
func deployLegacyContractTx(ctx context.Context, t *testing.T, client *kit.TestFullNode, ethAddr ethtypes.EthAddress) (*ethtypes.EthLegacyHomesteadTxArgs, error) {
// install contract
contractHex, err := os.ReadFile("./contracts/SimpleCoin.hex")
require.NoError(t, err)
contract, err := hex.DecodeString(string(contractHex))
require.NoError(t, err)
gasParams, err := json.Marshal(ethtypes.EthEstimateGasParams{Tx: ethtypes.EthCall{
From: &ethAddr,
Data: contract,
}})
if err != nil {
return nil, err
}
gaslimit, err := client.EthEstimateGas(ctx, gasParams)
if err != nil {
return nil, err
}
maxPriorityFeePerGas, err := client.EthMaxPriorityFeePerGas(ctx)
if err != nil {
return nil, err
}
// now deploy a contract from the embryo, and validate it went well
return &ethtypes.EthLegacyHomesteadTxArgs{
Value: big.Zero(),
Nonce: 0,
GasPrice: big.Int(maxPriorityFeePerGas),
GasLimit: int(gaslimit),
Input: contract,
V: big.Zero(),
R: big.Zero(),
S: big.Zero(),
}, nil
}
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