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system_test.go
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system_test.go
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package op_e2e
import (
"context"
"errors"
"fmt"
"math/big"
"os"
"runtime"
"slices"
"testing"
"time"
"github.com/libp2p/go-libp2p/core/peer"
"github.com/stretchr/testify/require"
"github.com/ethereum-optimism/optimism/op-batcher/flags"
"github.com/ethereum/go-ethereum"
"github.com/ethereum/go-ethereum/accounts/abi/bind"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/common/hexutil"
"github.com/ethereum/go-ethereum/consensus/misc/eip4844"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/crypto"
"github.com/ethereum/go-ethereum/eth/ethconfig"
"github.com/ethereum/go-ethereum/ethclient"
"github.com/ethereum/go-ethereum/log"
"github.com/ethereum/go-ethereum/node"
"github.com/ethereum/go-ethereum/params"
"github.com/ethereum/go-ethereum/rpc"
"github.com/ethereum-optimism/optimism/op-challenger/game/fault/contracts"
metrics2 "github.com/ethereum-optimism/optimism/op-challenger/game/fault/contracts/metrics"
"github.com/ethereum-optimism/optimism/op-e2e/bindings"
"github.com/ethereum-optimism/optimism/op-e2e/config"
"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/geth"
"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/transactions"
"github.com/ethereum-optimism/optimism/op-e2e/e2eutils/wait"
"github.com/ethereum-optimism/optimism/op-node/metrics"
rollupNode "github.com/ethereum-optimism/optimism/op-node/node"
"github.com/ethereum-optimism/optimism/op-node/p2p"
"github.com/ethereum-optimism/optimism/op-node/rollup/derive"
"github.com/ethereum-optimism/optimism/op-node/rollup/driver"
"github.com/ethereum-optimism/optimism/op-service/client"
"github.com/ethereum-optimism/optimism/op-service/endpoint"
"github.com/ethereum-optimism/optimism/op-service/eth"
"github.com/ethereum-optimism/optimism/op-service/oppprof"
"github.com/ethereum-optimism/optimism/op-service/predeploys"
"github.com/ethereum-optimism/optimism/op-service/retry"
"github.com/ethereum-optimism/optimism/op-service/sources/batching"
"github.com/ethereum-optimism/optimism/op-service/testlog"
)
// TestSystemBatchType run each system e2e test case in singular batch mode and span batch mode.
// If the test case tests batch submission and advancing safe head, it should be tested in both singular and span batch mode.
func TestSystemBatchType(t *testing.T) {
tests := []struct {
name string
f func(*testing.T, func(*SystemConfig))
}{
{"StopStartBatcher", StopStartBatcher},
}
for _, test := range tests {
test := test
t.Run(test.name+"_SingularBatch", func(t *testing.T) {
test.f(t, func(sc *SystemConfig) {
sc.BatcherBatchType = derive.SingularBatchType
})
})
t.Run(test.name+"_SpanBatch", func(t *testing.T) {
test.f(t, func(sc *SystemConfig) {
sc.BatcherBatchType = derive.SpanBatchType
})
})
t.Run(test.name+"_SpanBatchMaxBlocks", func(t *testing.T) {
test.f(t, func(sc *SystemConfig) {
sc.BatcherBatchType = derive.SpanBatchType
sc.BatcherMaxBlocksPerSpanBatch = 2
})
})
}
}
func TestMain(m *testing.M) {
if config.ExternalL2Shim != "" {
fmt.Println("Running tests with external L2 process adapter at ", config.ExternalL2Shim)
// As these are integration tests which launch many other processes, the
// default parallelism makes the tests flaky. This change aims to
// reduce the flakiness of these tests.
maxProcs := runtime.NumCPU() / 4
if maxProcs == 0 {
maxProcs = 1
}
runtime.GOMAXPROCS(maxProcs)
}
os.Exit(m.Run())
}
func TestL2OutputSubmitter(t *testing.T) {
InitParallel(t, SkipOnFaultProofs)
cfg := DefaultSystemConfig(t)
cfg.NonFinalizedProposals = true // speed up the time till we see output proposals
sys, err := cfg.Start(t)
require.Nil(t, err, "Error starting up system")
l1Client := sys.NodeClient("l1")
rollupClient := sys.RollupClient("sequencer")
// OutputOracle is already deployed
l2OutputOracle, err := bindings.NewL2OutputOracleCaller(cfg.L1Deployments.L2OutputOracleProxy, l1Client)
require.Nil(t, err)
initialOutputBlockNumber, err := l2OutputOracle.LatestBlockNumber(&bind.CallOpts{})
require.Nil(t, err)
// Wait until the second output submission from L2. The output submitter submits outputs from the
// unsafe portion of the chain which gets reorged on startup. The sequencer has an out of date view
// when it creates it's first block and uses and old L1 Origin. It then does not submit a batch
// for that block and subsequently reorgs to match what the verifier derives when running the
// reconcillation process.
l2Verif := sys.NodeClient("verifier")
_, err = geth.WaitForBlock(big.NewInt(6), l2Verif, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
require.Nil(t, err)
// Wait for batch submitter to update L2 output oracle.
timeoutCh := time.After(15 * time.Second)
ticker := time.NewTicker(1 * time.Second)
defer ticker.Stop()
for {
l2ooBlockNumber, err := l2OutputOracle.LatestBlockNumber(&bind.CallOpts{})
require.Nil(t, err)
// Wait for the L2 output oracle to have been changed from the initial
// timestamp set in the contract constructor.
if l2ooBlockNumber.Cmp(initialOutputBlockNumber) > 0 {
// Retrieve the l2 output committed at this updated timestamp.
committedL2Output, err := l2OutputOracle.GetL2OutputAfter(&bind.CallOpts{}, l2ooBlockNumber)
require.NotEqual(t, [32]byte{}, committedL2Output.OutputRoot, "Empty L2 Output")
require.Nil(t, err)
// Fetch the corresponding L2 block and assert the committed L2
// output matches the block's state root.
//
// NOTE: This assertion will change once the L2 output format is
// finalized.
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
l2Output, err := rollupClient.OutputAtBlock(ctx, l2ooBlockNumber.Uint64())
require.Nil(t, err)
require.Equal(t, l2Output.OutputRoot[:], committedL2Output.OutputRoot[:])
break
}
select {
case <-timeoutCh:
t.Fatalf("State root oracle not updated")
case <-ticker.C:
}
}
}
func TestL2OutputSubmitterFaultProofs(t *testing.T) {
InitParallel(t, SkipOnL2OO)
cfg := DefaultSystemConfig(t)
cfg.NonFinalizedProposals = true // speed up the time till we see output proposals
sys, err := cfg.Start(t)
require.Nil(t, err, "Error starting up system")
l1Client := sys.NodeClient("l1")
rollupClient := sys.RollupClient("sequencer")
disputeGameFactory, err := bindings.NewDisputeGameFactoryCaller(cfg.L1Deployments.DisputeGameFactoryProxy, l1Client)
require.Nil(t, err)
initialGameCount, err := disputeGameFactory.GameCount(&bind.CallOpts{})
require.Nil(t, err)
l2Verif := sys.NodeClient("verifier")
_, err = geth.WaitForBlock(big.NewInt(6), l2Verif, 10*time.Duration(cfg.DeployConfig.L2BlockTime)*time.Second)
require.Nil(t, err)
timeoutCh := time.After(15 * time.Second)
ticker := time.NewTicker(1 * time.Second)
defer ticker.Stop()
for {
latestGameCount, err := disputeGameFactory.GameCount(&bind.CallOpts{})
require.Nil(t, err)
if latestGameCount.Cmp(initialGameCount) > 0 {
caller := batching.NewMultiCaller(l1Client.Client(), batching.DefaultBatchSize)
committedL2Output, err := disputeGameFactory.GameAtIndex(&bind.CallOpts{}, new(big.Int).Sub(latestGameCount, common.Big1))
require.Nil(t, err)
proxy, err := contracts.NewFaultDisputeGameContract(context.Background(), metrics2.NoopContractMetrics, committedL2Output.Proxy, caller)
require.Nil(t, err)
claim, err := proxy.GetClaim(context.Background(), 0)
require.Nil(t, err)
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
_, gameBlockNumber, err := proxy.GetBlockRange(ctx)
require.Nil(t, err)
l2Output, err := rollupClient.OutputAtBlock(ctx, gameBlockNumber)
require.Nil(t, err)
require.EqualValues(t, l2Output.OutputRoot, claim.Value)
break
}
select {
case <-timeoutCh:
t.Fatalf("State root oracle not updated")
case <-ticker.C:
}
}
}
func TestSystemE2EDencunAtGenesis(t *testing.T) {
InitParallel(t)
cfg := DefaultSystemConfig(t)
cfg.DeployConfig.L1CancunTimeOffset = &genesisTime
sys, err := cfg.Start(t)
require.Nil(t, err, "Error starting up system")
runE2ESystemTest(t, sys)
head, err := sys.NodeClient("l1").BlockByNumber(context.Background(), big.NewInt(0))
require.NoError(t, err)
require.NotNil(t, head.ExcessBlobGas(), "L1 is building dencun blocks since genesis")
}
// TestSystemE2EDencunAtGenesis tests if L2 finalizes when blobs are present on L1
func TestSystemE2EDencunAtGenesisWithBlobs(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
InitParallel(t)
cfg := DefaultSystemConfig(t)
cfg.DeployConfig.L1CancunTimeOffset = &genesisTime
sys, err := cfg.Start(t)
require.Nil(t, err, "Error starting up system")
// send a blob-containing txn on l1
ethPrivKey := sys.Cfg.Secrets.Alice
txData := transactions.CreateEmptyBlobTx(true, sys.Cfg.L1ChainIDBig().Uint64())
tx := types.MustSignNewTx(ethPrivKey, types.LatestSignerForChainID(cfg.L1ChainIDBig()), txData)
// send blob-containing txn
sendCtx, sendCancel := context.WithTimeout(context.Background(), 15*time.Second)
defer sendCancel()
l1Client := sys.NodeClient("l1")
err = l1Client.SendTransaction(sendCtx, tx)
require.NoError(t, err, "Sending L1 empty blob tx")
// Wait for transaction on L1
blockContainsBlob, err := wait.ForReceiptOK(ctx, l1Client, tx.Hash())
require.Nil(t, err, "Waiting for blob tx on L1")
// end sending blob-containing txns on l1
l2Client := sys.NodeClient("sequencer")
finalizedBlock, err := geth.WaitForL1OriginOnL2(sys.RollupConfig, blockContainsBlob.BlockNumber.Uint64(), l2Client, 30*time.Duration(cfg.DeployConfig.L1BlockTime)*time.Second)
require.Nil(t, err, "Waiting for L1 origin of blob tx on L2")
finalizationTimeout := 30 * time.Duration(cfg.DeployConfig.L1BlockTime) * time.Second
_, err = geth.WaitForBlockToBeSafe(finalizedBlock.Header().Number, l2Client, finalizationTimeout)
require.Nil(t, err, "Waiting for safety of L2 block")
}
// TestSystemE2E sets up a L1 Geth node, a rollup node, and a L2 geth node and then confirms that L1 deposits are reflected on L2.
// All nodes are run in process (but are the full nodes, not mocked or stubbed).
func TestSystemE2E(t *testing.T) {
InitParallel(t)
cfg := DefaultSystemConfig(t)
sys, err := cfg.Start(t)
require.Nil(t, err, "Error starting up system")
runE2ESystemTest(t, sys)
}
func runE2ESystemTest(t *testing.T, sys *System) {
log := testlog.Logger(t, log.LevelInfo)
log.Info("genesis", "l2", sys.RollupConfig.Genesis.L2, "l1", sys.RollupConfig.Genesis.L1, "l2_time", sys.RollupConfig.Genesis.L2Time)
l1Client := sys.NodeClient("l1")
l2Seq := sys.NodeClient("sequencer")
l2Verif := sys.NodeClient("verifier")
// Transactor Account
ethPrivKey := sys.Cfg.Secrets.Alice
// Send Transaction & wait for success
fromAddr := sys.Cfg.Secrets.Addresses().Alice
ctx, cancel := context.WithTimeout(context.Background(), 15*time.Second)
defer cancel()
startBalance, err := l2Verif.BalanceAt(ctx, fromAddr, nil)
require.Nil(t, err)
// Send deposit transaction
opts, err := bind.NewKeyedTransactorWithChainID(ethPrivKey, sys.Cfg.L1ChainIDBig())
require.Nil(t, err)
mintAmount := big.NewInt(1_000_000_000_000)
opts.Value = mintAmount
SendDepositTx(t, sys.Cfg, l1Client, l2Verif, opts, func(l2Opts *DepositTxOpts) {})
// Confirm balance
ctx, cancel = context.WithTimeout(context.Background(), 15*time.Second)
defer cancel()
endBalance, err := wait.ForBalanceChange(ctx, l2Verif, fromAddr, startBalance)
require.Nil(t, err)
diff := new(big.Int)
diff = diff.Sub(endBalance, startBalance)
require.Equal(t, mintAmount, diff, "Did not get expected balance change")
// Submit TX to L2 sequencer node
receipt := SendL2Tx(t, sys.Cfg, l2Seq, ethPrivKey, func(opts *TxOpts) {
opts.Value = big.NewInt(1_000_000_000)
opts.Nonce = 1 // Already have deposit
opts.ToAddr = &common.Address{0xff, 0xff}
opts.VerifyOnClients(l2Verif)
})
// Verify blocks match after batch submission on verifiers and sequencers
verifBlock, err := l2Verif.BlockByNumber(context.Background(), receipt.BlockNumber)
require.Nil(t, err)
seqBlock, err := l2Seq.BlockByNumber(context.Background(), receipt.BlockNumber)
require.Nil(t, err)
require.Equal(t, verifBlock.NumberU64(), seqBlock.NumberU64(), "Verifier and sequencer blocks not the same after including a batch tx")
require.Equal(t, verifBlock.ParentHash(), seqBlock.ParentHash(), "Verifier and sequencer blocks parent hashes not the same after including a batch tx")
require.Equal(t, verifBlock.Hash(), seqBlock.Hash(), "Verifier and sequencer blocks not the same after including a batch tx")
rollupClient := sys.RollupClient("sequencer")
// basic check that sync status works
seqStatus, err := rollupClient.SyncStatus(context.Background())
require.Nil(t, err)
require.LessOrEqual(t, seqBlock.NumberU64(), seqStatus.UnsafeL2.Number)
// basic check that version endpoint works
seqVersion, err := rollupClient.Version(context.Background())
require.Nil(t, err)
require.NotEqual(t, "", seqVersion)
}
// TestConfirmationDepth runs the rollup with both sequencer and verifier not immediately processing the tip of the chain.
func TestConfirmationDepth(t *testing.T) {
InitParallel(t)
cfg := DefaultSystemConfig(t)
cfg.DeployConfig.SequencerWindowSize = 4
cfg.DeployConfig.MaxSequencerDrift = 10 * cfg.DeployConfig.L1BlockTime
seqConfDepth := uint64(2)
verConfDepth := uint64(5)
cfg.Nodes["sequencer"].Driver.SequencerConfDepth = seqConfDepth
cfg.Nodes["sequencer"].Driver.VerifierConfDepth = 0
cfg.Nodes["verifier"].Driver.VerifierConfDepth = verConfDepth
sys, err := cfg.Start(t)
require.Nil(t, err, "Error starting up system")
log := testlog.Logger(t, log.LevelInfo)
log.Info("genesis", "l2", sys.RollupConfig.Genesis.L2, "l1", sys.RollupConfig.Genesis.L1, "l2_time", sys.RollupConfig.Genesis.L2Time)
l1Client := sys.NodeClient("l1")
l2Seq := sys.NodeClient("sequencer")
l2Verif := sys.NodeClient("verifier")
// Wait enough time for the sequencer to submit a block with distance from L1 head, submit it,
// and for the slower verifier to read a full sequence window and cover confirmation depth for reading and some margin
<-time.After(time.Duration((cfg.DeployConfig.SequencerWindowSize+verConfDepth+3)*cfg.DeployConfig.L1BlockTime) * time.Second)
// within a second, get both L1 and L2 verifier and sequencer block heads
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
l1Head, err := l1Client.BlockByNumber(ctx, nil)
require.NoError(t, err)
l2SeqHead, err := l2Seq.BlockByNumber(ctx, nil)
require.NoError(t, err)
l2VerHead, err := l2Verif.BlockByNumber(ctx, nil)
require.NoError(t, err)
seqInfo, err := derive.L1BlockInfoFromBytes(sys.RollupConfig, l2SeqHead.Time(), l2SeqHead.Transactions()[0].Data())
require.NoError(t, err)
require.LessOrEqual(t, seqInfo.Number+seqConfDepth, l1Head.NumberU64(), "the seq L2 head block should have an origin older than the L1 head block by at least the sequencer conf depth")
verInfo, err := derive.L1BlockInfoFromBytes(sys.RollupConfig, l2VerHead.Time(), l2VerHead.Transactions()[0].Data())
require.NoError(t, err)
require.LessOrEqual(t, verInfo.Number+verConfDepth, l1Head.NumberU64(), "the ver L2 head block should have an origin older than the L1 head block by at least the verifier conf depth")
}
// TestPendingGasLimit tests the configuration of the gas limit of the pending block,
// and if it does not conflict with the regular gas limit on the verifier or sequencer.
func TestPendingGasLimit(t *testing.T) {
InitParallel(t)
cfg := DefaultSystemConfig(t)
// configure the L2 gas limit to be high, and the pending gas limits to be lower for resource saving.
cfg.DeployConfig.L2GenesisBlockGasLimit = 30_000_000
cfg.GethOptions["sequencer"] = append(cfg.GethOptions["sequencer"], []geth.GethOption{
func(ethCfg *ethconfig.Config, nodeCfg *node.Config) error {
ethCfg.Miner.GasCeil = 10_000_000
ethCfg.Miner.RollupComputePendingBlock = true
return nil
},
}...)
cfg.GethOptions["verifier"] = append(cfg.GethOptions["verifier"], []geth.GethOption{
func(ethCfg *ethconfig.Config, nodeCfg *node.Config) error {
ethCfg.Miner.GasCeil = 9_000_000
ethCfg.Miner.RollupComputePendingBlock = true
return nil
},
}...)
sys, err := cfg.Start(t)
require.Nil(t, err, "Error starting up system")
log := testlog.Logger(t, log.LevelInfo)
log.Info("genesis", "l2", sys.RollupConfig.Genesis.L2, "l1", sys.RollupConfig.Genesis.L1, "l2_time", sys.RollupConfig.Genesis.L2Time)
l2Verif := sys.NodeClient("verifier")
l2Seq := sys.NodeClient("sequencer")
checkGasLimit := func(client *ethclient.Client, number *big.Int, expected uint64) *types.Header {
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
header, err := client.HeaderByNumber(ctx, number)
cancel()
require.NoError(t, err)
require.Equal(t, expected, header.GasLimit)
return header
}
// check if the gaslimits are matching the expected values,
// and that the verifier/sequencer can use their locally configured gas limit for the pending block.
for {
checkGasLimit(l2Seq, big.NewInt(-1), 10_000_000)
checkGasLimit(l2Verif, big.NewInt(-1), 9_000_000)
checkGasLimit(l2Seq, nil, 30_000_000)
latestVerifHeader := checkGasLimit(l2Verif, nil, 30_000_000)
// Stop once the verifier passes genesis:
// this implies we checked a new block from the sequencer, on both sequencer and verifier nodes.
if latestVerifHeader.Number.Uint64() > 0 {
break
}
time.Sleep(500 * time.Millisecond)
}
}
// TestFinalize tests if L2 finalizes after sufficient time after L1 finalizes
func TestFinalize(t *testing.T) {
InitParallel(t)
cfg := DefaultSystemConfig(t)
sys, err := cfg.Start(t)
require.Nil(t, err, "Error starting up system")
l2Seq := sys.NodeClient("sequencer")
l2Finalized, err := geth.WaitForBlockToBeFinalized(big.NewInt(12), l2Seq, 1*time.Minute)
require.NoError(t, err, "must be able to fetch a finalized L2 block")
require.NotZerof(t, l2Finalized.NumberU64(), "must have finalized L2 block")
}
func TestMissingBatchE2E(t *testing.T) {
InitParallel(t)
// Note this test zeroes the balance of the batch-submitter to make the batches unable to go into L1.
// The test logs may look scary, but this is expected:
// 'batcher unable to publish transaction role=batcher err="insufficient funds for gas * price + value"'
cfg := DefaultSystemConfig(t)
// small sequence window size so the test does not take as long
cfg.DeployConfig.SequencerWindowSize = 4
// Specifically set batch submitter balance to stop batches from being included
cfg.Premine[cfg.Secrets.Addresses().Batcher] = big.NewInt(0)
sys, err := cfg.Start(t)
require.Nil(t, err, "Error starting up system")
l2Seq := sys.NodeClient("sequencer")
l2Verif := sys.NodeClient("verifier")
seqRollupClient := sys.RollupClient("sequencer")
// Transactor Account
ethPrivKey := cfg.Secrets.Alice
// Submit TX to L2 sequencer node
receipt := SendL2Tx(t, cfg, l2Seq, ethPrivKey, func(opts *TxOpts) {
opts.ToAddr = &common.Address{0xff, 0xff}
opts.Value = big.NewInt(1_000_000_000)
})
// Wait until the block it was first included in shows up in the safe chain on the verifier
_, err = geth.WaitForBlock(receipt.BlockNumber, l2Verif, time.Duration((sys.RollupConfig.SeqWindowSize+4)*cfg.DeployConfig.L1BlockTime)*time.Second)
require.Nil(t, err, "Waiting for block on verifier")
// Assert that the transaction is not found on the verifier
ctx, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
_, err = l2Verif.TransactionReceipt(ctx, receipt.TxHash)
require.Equal(t, ethereum.NotFound, err, "Found transaction in verifier when it should not have been included")
// Wait a short time for the L2 reorg to occur on the sequencer as well.
err = wait.ForSafeBlock(ctx, seqRollupClient, receipt.BlockNumber.Uint64())
require.Nil(t, err, "timeout waiting for L2 reorg on sequencer safe head")
// Assert that the reconciliation process did an L2 reorg on the sequencer to remove the invalid block
ctx2, cancel := context.WithTimeout(context.Background(), 30*time.Second)
defer cancel()
block, err := l2Seq.BlockByNumber(ctx2, receipt.BlockNumber)
if err != nil {
require.Equal(t, "not found", err.Error(), "A not found error indicates the chain must have re-orged back before it")
} else {
require.NotEqual(t, block.Hash(), receipt.BlockHash, "L2 Sequencer did not reorg out transaction on it's safe chain")
}
}
func L1InfoFromState(ctx context.Context, contract *bindings.L1Block, l2Number *big.Int, ecotone bool) (*derive.L1BlockInfo, error) {
var err error
out := &derive.L1BlockInfo{}
opts := bind.CallOpts{
BlockNumber: l2Number,
Context: ctx,
}
out.Number, err = contract.Number(&opts)
if err != nil {
return nil, fmt.Errorf("failed to get number: %w", err)
}
out.Time, err = contract.Timestamp(&opts)
if err != nil {
return nil, fmt.Errorf("failed to get timestamp: %w", err)
}
out.BaseFee, err = contract.Basefee(&opts)
if err != nil {
return nil, fmt.Errorf("failed to get base fee: %w", err)
}
blockHashBytes, err := contract.Hash(&opts)
if err != nil {
return nil, fmt.Errorf("failed to get block hash: %w", err)
}
out.BlockHash = common.BytesToHash(blockHashBytes[:])
out.SequenceNumber, err = contract.SequenceNumber(&opts)
if err != nil {
return nil, fmt.Errorf("failed to get sequence number: %w", err)
}
if !ecotone {
overhead, err := contract.L1FeeOverhead(&opts)
if err != nil {
return nil, fmt.Errorf("failed to get l1 fee overhead: %w", err)
}
out.L1FeeOverhead = eth.Bytes32(common.BigToHash(overhead))
scalar, err := contract.L1FeeScalar(&opts)
if err != nil {
return nil, fmt.Errorf("failed to get l1 fee scalar: %w", err)
}
out.L1FeeScalar = eth.Bytes32(common.BigToHash(scalar))
}
batcherHash, err := contract.BatcherHash(&opts)
if err != nil {
return nil, fmt.Errorf("failed to get batch sender: %w", err)
}
out.BatcherAddr = common.BytesToAddress(batcherHash[:])
if ecotone {
blobBaseFeeScalar, err := contract.BlobBaseFeeScalar(&opts)
if err != nil {
return nil, fmt.Errorf("failed to get blob basefee scalar: %w", err)
}
out.BlobBaseFeeScalar = blobBaseFeeScalar
baseFeeScalar, err := contract.BaseFeeScalar(&opts)
if err != nil {
return nil, fmt.Errorf("failed to get basefee scalar: %w", err)
}
out.BaseFeeScalar = baseFeeScalar
blobBaseFee, err := contract.BlobBaseFee(&opts)
if err != nil {
return nil, fmt.Errorf("failed to get blob basefee: %w", err)
}
out.BlobBaseFee = blobBaseFee
}
return out, nil
}
// TestSystemMockP2P sets up a L1 Geth node, a rollup node, and a L2 geth node and then confirms that
// the nodes can sync L2 blocks before they are confirmed on L1.
func TestSystemMockP2P(t *testing.T) {
InitParallel(t)
cfg := DefaultSystemConfig(t)
// Disable batcher, so we don't sync from L1 & set a large sequence window so we only have unsafe blocks
cfg.DisableBatcher = true
cfg.DeployConfig.SequencerWindowSize = 100_000
cfg.DeployConfig.MaxSequencerDrift = 100_000
// disable at the start, so we don't miss any gossiped blocks.
cfg.Nodes["sequencer"].Driver.SequencerStopped = true
// connect the nodes
cfg.P2PTopology = map[string][]string{
"verifier": {"sequencer"},
}
var published, received []common.Hash
seqTracer, verifTracer := new(FnTracer), new(FnTracer)
seqTracer.OnPublishL2PayloadFn = func(ctx context.Context, payload *eth.ExecutionPayloadEnvelope) {
published = append(published, payload.ExecutionPayload.BlockHash)
}
verifTracer.OnUnsafeL2PayloadFn = func(ctx context.Context, from peer.ID, payload *eth.ExecutionPayloadEnvelope) {
received = append(received, payload.ExecutionPayload.BlockHash)
}
cfg.Nodes["sequencer"].Tracer = seqTracer
cfg.Nodes["verifier"].Tracer = verifTracer
sys, err := cfg.Start(t)
require.Nil(t, err, "Error starting up system")
// Enable the sequencer now that everyone is ready to receive payloads.
rollupClient := sys.RollupClient("sequencer")
verifierPeerID := sys.RollupNodes["verifier"].P2P().Host().ID()
check := func() bool {
sequencerBlocksTopicPeers := sys.RollupNodes["sequencer"].P2P().GossipOut().AllBlockTopicsPeers()
return slices.Contains[[]peer.ID](sequencerBlocksTopicPeers, verifierPeerID)
}
// poll to see if the verifier node is connected & meshed on gossip.
// Without this verifier, we shouldn't start sending blocks around, or we'll miss them and fail the test.
backOffStrategy := retry.Exponential()
for i := 0; i < 10; i++ {
if check() {
break
}
time.Sleep(backOffStrategy.Duration(i))
}
require.True(t, check(), "verifier must be meshed with sequencer for gossip test to proceed")
require.NoError(t, rollupClient.StartSequencer(context.Background(), sys.L2GenesisCfg.ToBlock().Hash()))
l2Seq := sys.NodeClient("sequencer")
l2Verif := sys.NodeClient("verifier")
// Transactor Account
ethPrivKey := cfg.Secrets.Alice
// Submit TX to L2 sequencer node
receiptSeq := SendL2Tx(t, cfg, l2Seq, ethPrivKey, func(opts *TxOpts) {
opts.ToAddr = &common.Address{0xff, 0xff}
opts.Value = big.NewInt(1_000_000_000)
// Wait until the block it was first included in shows up in the safe chain on the verifier
opts.VerifyOnClients(l2Verif)
})
// Verify that everything that was received was published
require.GreaterOrEqual(t, len(published), len(received))
require.Subset(t, published, received)
// Verify that the tx was received via p2p
require.Contains(t, received, receiptSeq.BlockHash)
}
func TestSystemP2PAltSync(t *testing.T) {
ctx, cancel := context.WithCancel(context.Background())
defer cancel()
InitParallel(t)
cfg := DefaultSystemConfig(t)
// remove default verifier node
delete(cfg.Nodes, "verifier")
// Add more verifier nodes
cfg.Nodes["alice"] = &rollupNode.Config{
Driver: driver.Config{
VerifierConfDepth: 0,
SequencerConfDepth: 0,
SequencerEnabled: false,
},
L1EpochPollInterval: time.Second * 4,
}
cfg.Nodes["bob"] = &rollupNode.Config{
Driver: driver.Config{
VerifierConfDepth: 0,
SequencerConfDepth: 0,
SequencerEnabled: false,
},
L1EpochPollInterval: time.Second * 4,
}
cfg.Loggers["alice"] = testlog.Logger(t, log.LevelInfo).New("role", "alice")
cfg.Loggers["bob"] = testlog.Logger(t, log.LevelInfo).New("role", "bob")
// connect the nodes
cfg.P2PTopology = map[string][]string{
"sequencer": {"alice", "bob"},
"alice": {"sequencer", "bob"},
"bob": {"alice", "sequencer"},
}
// Enable the P2P req-resp based sync
cfg.P2PReqRespSync = true
// Disable batcher, so there will not be any L1 data to sync from
cfg.DisableBatcher = true
var published []string
seqTracer := new(FnTracer)
// The sequencer still publishes the blocks to the tracer, even if they do not reach the network due to disabled P2P
seqTracer.OnPublishL2PayloadFn = func(ctx context.Context, payload *eth.ExecutionPayloadEnvelope) {
published = append(published, payload.ExecutionPayload.ID().String())
}
// Blocks are now received via the RPC based alt-sync method
cfg.Nodes["sequencer"].Tracer = seqTracer
sys, err := cfg.Start(t)
require.Nil(t, err, "Error starting up system")
l2Seq := sys.NodeClient("sequencer")
// Transactor Account
ethPrivKey := cfg.Secrets.Alice
// Submit a TX to L2 sequencer node
receiptSeq := SendL2Tx(t, cfg, l2Seq, ethPrivKey, func(opts *TxOpts) {
opts.ToAddr = &common.Address{0xff, 0xff}
opts.Value = big.NewInt(1_000_000_000)
})
// Gossip is able to respond to IWANT messages for the duration of heartbeat_time * message_window = 0.5 * 12 = 6
// Wait till we pass that, and then we'll have missed some blocks that cannot be retrieved in any way from gossip
time.Sleep(time.Second * 10)
// set up our syncer node, connect it to alice/bob
cfg.Loggers["syncer"] = testlog.Logger(t, log.LevelInfo).New("role", "syncer")
// Create a peer, and hook up alice and bob
h, err := sys.newMockNetPeer()
require.NoError(t, err)
_, err = sys.Mocknet.LinkPeers(sys.RollupNodes["alice"].P2P().Host().ID(), h.ID())
require.NoError(t, err)
_, err = sys.Mocknet.LinkPeers(sys.RollupNodes["bob"].P2P().Host().ID(), h.ID())
require.NoError(t, err)
// Configure the new rollup node that'll be syncing
var syncedPayloads []string
syncNodeCfg := &rollupNode.Config{
Driver: driver.Config{VerifierConfDepth: 0},
Rollup: *sys.RollupConfig,
P2PSigner: nil,
RPC: rollupNode.RPCConfig{
ListenAddr: "127.0.0.1",
ListenPort: 0,
EnableAdmin: true,
},
P2P: &p2p.Prepared{HostP2P: h, EnableReqRespSync: true},
Metrics: rollupNode.MetricsConfig{Enabled: false}, // no metrics server
Pprof: oppprof.CLIConfig{},
L1EpochPollInterval: time.Second * 10,
Tracer: &FnTracer{
OnUnsafeL2PayloadFn: func(ctx context.Context, from peer.ID, payload *eth.ExecutionPayloadEnvelope) {
syncedPayloads = append(syncedPayloads, payload.ExecutionPayload.ID().String())
},
},
}
configureL1(syncNodeCfg, sys.EthInstances["l1"], sys.L1BeaconEndpoint())
syncerL2Engine, err := geth.InitL2("syncer", sys.L2GenesisCfg, cfg.JWTFilePath)
require.NoError(t, err)
require.NoError(t, syncerL2Engine.Node.Start())
configureL2(syncNodeCfg, syncerL2Engine, cfg.JWTSecret)
syncerNode, err := rollupNode.New(ctx, syncNodeCfg, cfg.Loggers["syncer"], "", metrics.NewMetrics(""))
require.NoError(t, err)
err = syncerNode.Start(ctx)
require.NoError(t, err)
defer func() {
require.NoError(t, syncerNode.Stop(ctx))
}()
// connect alice and bob to our new syncer node
_, err = sys.Mocknet.ConnectPeers(sys.RollupNodes["alice"].P2P().Host().ID(), syncerNode.P2P().Host().ID())
require.NoError(t, err)
_, err = sys.Mocknet.ConnectPeers(sys.RollupNodes["bob"].P2P().Host().ID(), syncerNode.P2P().Host().ID())
require.NoError(t, err)
rpc := syncerL2Engine.UserRPC().(endpoint.ClientRPC).ClientRPC()
l2Verif := ethclient.NewClient(rpc)
// It may take a while to sync, but eventually we should see the sequenced data show up
receiptVerif, err := wait.ForReceiptOK(ctx, l2Verif, receiptSeq.TxHash)
require.Nil(t, err, "Waiting for L2 tx on verifier")
require.Equal(t, receiptSeq, receiptVerif)
// Verify that the tx was received via P2P sync
require.Contains(t, syncedPayloads, eth.BlockID{Hash: receiptVerif.BlockHash, Number: receiptVerif.BlockNumber.Uint64()}.String())
// Verify that everything that was received was published
require.GreaterOrEqual(t, len(published), len(syncedPayloads))
require.Subset(t, published, syncedPayloads)
}
// TestSystemDenseTopology sets up a dense p2p topology with 3 verifier nodes and 1 sequencer node.
func TestSystemDenseTopology(t *testing.T) {
t.Skip("Skipping dense topology test to avoid flakiness. @refcell address in p2p scoring pr.")
InitParallel(t)
cfg := DefaultSystemConfig(t)
// slow down L1 blocks so we can see the L2 blocks arrive well before the L1 blocks do.
// Keep the seq window small so the L2 chain is started quick
cfg.DeployConfig.L1BlockTime = 10
// Append additional nodes to the system to construct a dense p2p network
cfg.Nodes["verifier2"] = &rollupNode.Config{
Driver: driver.Config{
VerifierConfDepth: 0,
SequencerConfDepth: 0,
SequencerEnabled: false,
},
L1EpochPollInterval: time.Second * 4,
}
cfg.Nodes["verifier3"] = &rollupNode.Config{
Driver: driver.Config{
VerifierConfDepth: 0,
SequencerConfDepth: 0,
SequencerEnabled: false,
},
L1EpochPollInterval: time.Second * 4,
}
cfg.Loggers["verifier2"] = testlog.Logger(t, log.LevelInfo).New("role", "verifier")
cfg.Loggers["verifier3"] = testlog.Logger(t, log.LevelInfo).New("role", "verifier")
// connect the nodes
cfg.P2PTopology = map[string][]string{
"verifier": {"sequencer", "verifier2", "verifier3"},
"verifier2": {"sequencer", "verifier", "verifier3"},
"verifier3": {"sequencer", "verifier", "verifier2"},
}
// Set peer scoring for each node, but without banning
for _, node := range cfg.Nodes {
params, err := p2p.GetScoringParams("light", &node.Rollup)
require.NoError(t, err)
node.P2P = &p2p.Config{
ScoringParams: params,
BanningEnabled: false,
}
}
var published, received1, received2, received3 []common.Hash
seqTracer, verifTracer, verifTracer2, verifTracer3 := new(FnTracer), new(FnTracer), new(FnTracer), new(FnTracer)
seqTracer.OnPublishL2PayloadFn = func(ctx context.Context, payload *eth.ExecutionPayloadEnvelope) {
published = append(published, payload.ExecutionPayload.BlockHash)
}
verifTracer.OnUnsafeL2PayloadFn = func(ctx context.Context, from peer.ID, payload *eth.ExecutionPayloadEnvelope) {
received1 = append(received1, payload.ExecutionPayload.BlockHash)
}
verifTracer2.OnUnsafeL2PayloadFn = func(ctx context.Context, from peer.ID, payload *eth.ExecutionPayloadEnvelope) {
received2 = append(received2, payload.ExecutionPayload.BlockHash)
}
verifTracer3.OnUnsafeL2PayloadFn = func(ctx context.Context, from peer.ID, payload *eth.ExecutionPayloadEnvelope) {
received3 = append(received3, payload.ExecutionPayload.BlockHash)
}
cfg.Nodes["sequencer"].Tracer = seqTracer
cfg.Nodes["verifier"].Tracer = verifTracer
cfg.Nodes["verifier2"].Tracer = verifTracer2
cfg.Nodes["verifier3"].Tracer = verifTracer3
sys, err := cfg.Start(t)
require.Nil(t, err, "Error starting up system")
l2Seq := sys.NodeClient("sequencer")
l2Verif := sys.NodeClient("verifier")
l2Verif2 := sys.NodeClient("verifier2")
l2Verif3 := sys.NodeClient("verifier3")
// Transactor Account
ethPrivKey := cfg.Secrets.Alice
// Submit TX to L2 sequencer node
receiptSeq := SendL2Tx(t, cfg, l2Seq, ethPrivKey, func(opts *TxOpts) {
opts.ToAddr = &common.Address{0xff, 0xff}
opts.Value = big.NewInt(1_000_000_000)
// Wait until the block it was first included in shows up in the safe chain on the verifiers
opts.VerifyOnClients(l2Verif, l2Verif2, l2Verif3)
})
// Verify that everything that was received was published
require.GreaterOrEqual(t, len(published), len(received1))
require.GreaterOrEqual(t, len(published), len(received2))
require.GreaterOrEqual(t, len(published), len(received3))
require.ElementsMatch(t, published, received1[:len(published)])
require.ElementsMatch(t, published, received2[:len(published)])
require.ElementsMatch(t, published, received3[:len(published)])
// Verify that the tx was received via p2p
require.Contains(t, received1, receiptSeq.BlockHash)
require.Contains(t, received2, receiptSeq.BlockHash)
require.Contains(t, received3, receiptSeq.BlockHash)
}
func TestL1InfoContract(t *testing.T) {
InitParallel(t)
cfg := DefaultSystemConfig(t)
sys, err := cfg.Start(t)
require.Nil(t, err, "Error starting up system")
l1Client := sys.NodeClient("l1")
l2Seq := sys.NodeClient("sequencer")
l2Verif := sys.NodeClient("verifier")
endVerifBlockNumber := big.NewInt(4)
endSeqBlockNumber := big.NewInt(6)
endVerifBlock, err := geth.WaitForBlock(endVerifBlockNumber, l2Verif, time.Minute)
require.Nil(t, err)
endSeqBlock, err := geth.WaitForBlock(endSeqBlockNumber, l2Seq, time.Minute)
require.Nil(t, err)
seqL1Info, err := bindings.NewL1Block(cfg.L1InfoPredeployAddress, l2Seq)
require.Nil(t, err)
verifL1Info, err := bindings.NewL1Block(cfg.L1InfoPredeployAddress, l2Verif)
require.Nil(t, err)
ctx, cancel := context.WithTimeout(context.Background(), 2*time.Minute)
defer cancel()
fillInfoLists := func(start *types.Block, contract *bindings.L1Block, client *ethclient.Client) ([]*derive.L1BlockInfo, []*derive.L1BlockInfo) {
var txList, stateList []*derive.L1BlockInfo
for b := start; ; {
var infoFromTx *derive.L1BlockInfo
infoFromTx, err := derive.L1BlockInfoFromBytes(sys.RollupConfig, b.Time(), b.Transactions()[0].Data())
require.NoError(t, err)
txList = append(txList, infoFromTx)
ecotone := sys.RollupConfig.IsEcotone(b.Time()) && !sys.RollupConfig.IsEcotoneActivationBlock(b.Time())
infoFromState, err := L1InfoFromState(ctx, contract, b.Number(), ecotone)
require.Nil(t, err)
stateList = append(stateList, infoFromState)
// Genesis L2 block contains no L1 Deposit TX
if b.NumberU64() == 1 {
return txList, stateList
}
b, err = client.BlockByHash(ctx, b.ParentHash())
require.Nil(t, err)
}
}
l1InfosFromSequencerTransactions, l1InfosFromSequencerState := fillInfoLists(endSeqBlock, seqL1Info, l2Seq)
l1InfosFromVerifierTransactions, l1InfosFromVerifierState := fillInfoLists(endVerifBlock, verifL1Info, l2Verif)
l1blocks := make(map[common.Hash]*derive.L1BlockInfo)
maxL1Hash := l1InfosFromSequencerTransactions[0].BlockHash
for h := maxL1Hash; ; {
b, err := l1Client.BlockByHash(ctx, h)
require.Nil(t, err)
l1blocks[h] = &derive.L1BlockInfo{
Number: b.NumberU64(),
Time: b.Time(),
BaseFee: b.BaseFee(),
BlockHash: h,
SequenceNumber: 0, // ignored, will be overwritten
BatcherAddr: sys.RollupConfig.Genesis.SystemConfig.BatcherAddr,
}
if sys.RollupConfig.IsEcotone(b.Time()) && !sys.RollupConfig.IsEcotoneActivationBlock(b.Time()) {
scalars, err := sys.RollupConfig.Genesis.SystemConfig.EcotoneScalars()
require.NoError(t, err)
l1blocks[h].BlobBaseFeeScalar = scalars.BlobBaseFeeScalar
l1blocks[h].BaseFeeScalar = scalars.BaseFeeScalar
if excess := b.ExcessBlobGas(); excess != nil {
l1blocks[h].BlobBaseFee = eip4844.CalcBlobFee(*excess)
} else {
l1blocks[h].BlobBaseFee = big.NewInt(1)
}
} else {
l1blocks[h].L1FeeOverhead = sys.RollupConfig.Genesis.SystemConfig.Overhead