plugeth/cmd/devp2p/internal/ethtest/suite.go

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// Copyright 2020 The go-ethereum Authors
// This file is part of go-ethereum.
//
// go-ethereum is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// go-ethereum is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with go-ethereum. If not, see <http://www.gnu.org/licenses/>.
package ethtest
import (
"crypto/rand"
"math/big"
"reflect"
"github.com/ethereum/go-ethereum/common"
"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/crypto/kzg4844"
"github.com/ethereum/go-ethereum/eth/protocols/eth"
"github.com/ethereum/go-ethereum/internal/utesting"
"github.com/ethereum/go-ethereum/p2p"
"github.com/ethereum/go-ethereum/p2p/enode"
"github.com/holiman/uint256"
)
// Suite represents a structure used to test a node's conformance
// to the eth protocol.
type Suite struct {
Dest *enode.Node
chain *Chain
engine *EngineClient
}
// NewSuite creates and returns a new eth-test suite that can
// be used to test the given node against the given blockchain
// data.
func NewSuite(dest *enode.Node, chainDir, engineURL, jwt string) (*Suite, error) {
chain, err := NewChain(chainDir)
if err != nil {
return nil, err
}
engine, err := NewEngineClient(chainDir, engineURL, jwt)
if err != nil {
return nil, err
}
return &Suite{
Dest: dest,
chain: chain,
engine: engine,
}, nil
}
func (s *Suite) EthTests() []utesting.Test {
return []utesting.Test{
// status
{Name: "Status", Fn: s.TestStatus},
// get block headers
{Name: "GetBlockHeaders", Fn: s.TestGetBlockHeaders},
{Name: "SimultaneousRequests", Fn: s.TestSimultaneousRequests},
{Name: "SameRequestID", Fn: s.TestSameRequestID},
{Name: "ZeroRequestID", Fn: s.TestZeroRequestID},
// get block bodies
{Name: "GetBlockBodies", Fn: s.TestGetBlockBodies},
// // malicious handshakes + status
{Name: "MaliciousHandshake", Fn: s.TestMaliciousHandshake},
{Name: "MaliciousStatus", Fn: s.TestMaliciousStatus},
// test transactions
{Name: "LargeTxRequest", Fn: s.TestLargeTxRequest, Slow: true},
{Name: "Transaction", Fn: s.TestTransaction},
{Name: "InvalidTxs", Fn: s.TestInvalidTxs},
{Name: "NewPooledTxs", Fn: s.TestNewPooledTxs},
{Name: "BlobViolations", Fn: s.TestBlobViolations},
}
}
func (s *Suite) SnapTests() []utesting.Test {
return []utesting.Test{
{Name: "Status", Fn: s.TestSnapStatus},
{Name: "AccountRange", Fn: s.TestSnapGetAccountRange},
{Name: "GetByteCodes", Fn: s.TestSnapGetByteCodes},
{Name: "GetTrieNodes", Fn: s.TestSnapTrieNodes},
{Name: "GetStorageRanges", Fn: s.TestSnapGetStorageRanges},
}
}
func (s *Suite) TestStatus(t *utesting.T) {
t.Log(`This test is just a sanity check. It performs an eth protocol handshake.`)
conn, err := s.dial()
if err != nil {
t.Fatalf("dial failed: %v", err)
}
defer conn.Close()
if err := conn.peer(s.chain, nil); err != nil {
t.Fatalf("peering failed: %v", err)
}
}
// headersMatch returns whether the received headers match the given request
func headersMatch(expected []*types.Header, headers []*types.Header) bool {
return reflect.DeepEqual(expected, headers)
}
func (s *Suite) TestGetBlockHeaders(t *utesting.T) {
t.Log(`This test requests block headers from the node.`)
conn, err := s.dial()
if err != nil {
t.Fatalf("dial failed: %v", err)
}
defer conn.Close()
if err = conn.peer(s.chain, nil); err != nil {
t.Fatalf("peering failed: %v", err)
}
// Send headers request.
req := &eth.GetBlockHeadersPacket{
RequestId: 33,
GetBlockHeadersRequest: &eth.GetBlockHeadersRequest{
Origin: eth.HashOrNumber{Hash: s.chain.blocks[1].Hash()},
Amount: 2,
Skip: 1,
Reverse: false,
},
}
// Read headers response.
if err := conn.Write(ethProto, eth.GetBlockHeadersMsg, req); err != nil {
t.Fatalf("could not write to connection: %v", err)
}
headers := new(eth.BlockHeadersPacket)
if err := conn.ReadMsg(ethProto, eth.BlockHeadersMsg, &headers); err != nil {
t.Fatalf("error reading msg: %v", err)
}
if got, want := headers.RequestId, req.RequestId; got != want {
t.Fatalf("unexpected request id")
}
// Check for correct headers.
expected, err := s.chain.GetHeaders(req)
if err != nil {
t.Fatalf("failed to get headers for given request: %v", err)
}
if !headersMatch(expected, headers.BlockHeadersRequest) {
t.Fatalf("header mismatch: \nexpected %v \ngot %v", expected, headers)
}
}
func (s *Suite) TestSimultaneousRequests(t *utesting.T) {
t.Log(`This test requests blocks headers from the node, performing two requests
concurrently, with different request IDs.`)
conn, err := s.dial()
if err != nil {
t.Fatalf("dial failed: %v", err)
}
defer conn.Close()
if err := conn.peer(s.chain, nil); err != nil {
t.Fatalf("peering failed: %v", err)
}
// Create two different requests.
req1 := &eth.GetBlockHeadersPacket{
RequestId: uint64(111),
GetBlockHeadersRequest: &eth.GetBlockHeadersRequest{
Origin: eth.HashOrNumber{
Hash: s.chain.blocks[1].Hash(),
},
Amount: 2,
Skip: 1,
Reverse: false,
},
}
req2 := &eth.GetBlockHeadersPacket{
RequestId: uint64(222),
GetBlockHeadersRequest: &eth.GetBlockHeadersRequest{
Origin: eth.HashOrNumber{
Hash: s.chain.blocks[1].Hash(),
},
Amount: 4,
Skip: 1,
Reverse: false,
},
}
// Send both requests.
if err := conn.Write(ethProto, eth.GetBlockHeadersMsg, req1); err != nil {
t.Fatalf("failed to write to connection: %v", err)
}
if err := conn.Write(ethProto, eth.GetBlockHeadersMsg, req2); err != nil {
t.Fatalf("failed to write to connection: %v", err)
}
// Wait for responses.
headers1 := new(eth.BlockHeadersPacket)
if err := conn.ReadMsg(ethProto, eth.BlockHeadersMsg, &headers1); err != nil {
t.Fatalf("error reading block headers msg: %v", err)
}
if got, want := headers1.RequestId, req1.RequestId; got != want {
t.Fatalf("unexpected request id in response: got %d, want %d", got, want)
}
headers2 := new(eth.BlockHeadersPacket)
if err := conn.ReadMsg(ethProto, eth.BlockHeadersMsg, &headers2); err != nil {
t.Fatalf("error reading block headers msg: %v", err)
}
if got, want := headers2.RequestId, req2.RequestId; got != want {
t.Fatalf("unexpected request id in response: got %d, want %d", got, want)
}
// Check received headers for accuracy.
if expected, err := s.chain.GetHeaders(req1); err != nil {
t.Fatalf("failed to get expected headers for request 1: %v", err)
} else if !headersMatch(expected, headers1.BlockHeadersRequest) {
t.Fatalf("header mismatch: \nexpected %v \ngot %v", expected, headers1)
}
if expected, err := s.chain.GetHeaders(req2); err != nil {
t.Fatalf("failed to get expected headers for request 2: %v", err)
} else if !headersMatch(expected, headers2.BlockHeadersRequest) {
t.Fatalf("header mismatch: \nexpected %v \ngot %v", expected, headers2)
}
}
func (s *Suite) TestSameRequestID(t *utesting.T) {
t.Log(`This test requests block headers, performing two concurrent requests with the
same request ID. The node should handle the request by responding to both requests.`)
conn, err := s.dial()
if err != nil {
t.Fatalf("dial failed: %v", err)
}
defer conn.Close()
if err := conn.peer(s.chain, nil); err != nil {
t.Fatalf("peering failed: %v", err)
}
// Create two different requests with the same ID.
reqID := uint64(1234)
request1 := &eth.GetBlockHeadersPacket{
RequestId: reqID,
GetBlockHeadersRequest: &eth.GetBlockHeadersRequest{
Origin: eth.HashOrNumber{
Number: 1,
},
Amount: 2,
},
}
request2 := &eth.GetBlockHeadersPacket{
RequestId: reqID,
GetBlockHeadersRequest: &eth.GetBlockHeadersRequest{
Origin: eth.HashOrNumber{
Number: 33,
},
Amount: 2,
},
}
// Send the requests.
if err = conn.Write(ethProto, eth.GetBlockHeadersMsg, request1); err != nil {
t.Fatalf("failed to write to connection: %v", err)
}
if err = conn.Write(ethProto, eth.GetBlockHeadersMsg, request2); err != nil {
t.Fatalf("failed to write to connection: %v", err)
}
// Wait for the responses.
headers1 := new(eth.BlockHeadersPacket)
if err := conn.ReadMsg(ethProto, eth.BlockHeadersMsg, &headers1); err != nil {
t.Fatalf("error reading from connection: %v", err)
}
if got, want := headers1.RequestId, request1.RequestId; got != want {
t.Fatalf("unexpected request id: got %d, want %d", got, want)
}
headers2 := new(eth.BlockHeadersPacket)
if err := conn.ReadMsg(ethProto, eth.BlockHeadersMsg, &headers2); err != nil {
t.Fatalf("error reading from connection: %v", err)
}
if got, want := headers2.RequestId, request2.RequestId; got != want {
t.Fatalf("unexpected request id: got %d, want %d", got, want)
}
// Check if headers match.
if expected, err := s.chain.GetHeaders(request1); err != nil {
t.Fatalf("failed to get expected block headers: %v", err)
} else if !headersMatch(expected, headers1.BlockHeadersRequest) {
t.Fatalf("header mismatch: \nexpected %v \ngot %v", expected, headers1)
}
if expected, err := s.chain.GetHeaders(request2); err != nil {
t.Fatalf("failed to get expected block headers: %v", err)
} else if !headersMatch(expected, headers2.BlockHeadersRequest) {
t.Fatalf("header mismatch: \nexpected %v \ngot %v", expected, headers2)
}
}
func (s *Suite) TestZeroRequestID(t *utesting.T) {
t.Log(`This test sends a GetBlockHeaders message with a request-id of zero,
and expects a response.`)
conn, err := s.dial()
if err != nil {
t.Fatalf("dial failed: %v", err)
}
defer conn.Close()
if err := conn.peer(s.chain, nil); err != nil {
t.Fatalf("peering failed: %v", err)
}
req := &eth.GetBlockHeadersPacket{
GetBlockHeadersRequest: &eth.GetBlockHeadersRequest{
Origin: eth.HashOrNumber{Number: 0},
Amount: 2,
},
}
// Read headers response.
if err := conn.Write(ethProto, eth.GetBlockHeadersMsg, req); err != nil {
t.Fatalf("could not write to connection: %v", err)
}
headers := new(eth.BlockHeadersPacket)
if err := conn.ReadMsg(ethProto, eth.BlockHeadersMsg, &headers); err != nil {
t.Fatalf("error reading msg: %v", err)
}
if got, want := headers.RequestId, req.RequestId; got != want {
t.Fatalf("unexpected request id")
}
if expected, err := s.chain.GetHeaders(req); err != nil {
t.Fatalf("failed to get expected block headers: %v", err)
} else if !headersMatch(expected, headers.BlockHeadersRequest) {
t.Fatalf("header mismatch: \nexpected %v \ngot %v", expected, headers)
}
}
func (s *Suite) TestGetBlockBodies(t *utesting.T) {
t.Log(`This test sends GetBlockBodies requests to the node for known blocks in the test chain.`)
conn, err := s.dial()
if err != nil {
t.Fatalf("dial failed: %v", err)
}
defer conn.Close()
if err := conn.peer(s.chain, nil); err != nil {
t.Fatalf("peering failed: %v", err)
}
// Create block bodies request.
req := &eth.GetBlockBodiesPacket{
RequestId: 55,
GetBlockBodiesRequest: eth.GetBlockBodiesRequest{
s.chain.blocks[54].Hash(),
s.chain.blocks[75].Hash(),
},
}
if err := conn.Write(ethProto, eth.GetBlockBodiesMsg, req); err != nil {
t.Fatalf("could not write to connection: %v", err)
}
// Wait for response.
resp := new(eth.BlockBodiesPacket)
if err := conn.ReadMsg(ethProto, eth.BlockBodiesMsg, &resp); err != nil {
t.Fatalf("error reading block bodies msg: %v", err)
}
if got, want := resp.RequestId, req.RequestId; got != want {
t.Fatalf("unexpected request id in respond", got, want)
}
bodies := resp.BlockBodiesResponse
if len(bodies) != len(req.GetBlockBodiesRequest) {
t.Fatalf("wrong bodies in response: expected %d bodies, got %d", len(req.GetBlockBodiesRequest), len(bodies))
}
}
// randBuf makes a random buffer size kilobytes large.
func randBuf(size int) []byte {
buf := make([]byte, size*1024)
rand.Read(buf)
return buf
}
func (s *Suite) TestMaliciousHandshake(t *utesting.T) {
t.Log(`This test tries to send malicious data during the devp2p handshake, in various ways.`)
// Write hello to client.
var (
key, _ = crypto.GenerateKey()
pub0 = crypto.FromECDSAPub(&key.PublicKey)[1:]
version = eth.ProtocolVersions[0]
)
handshakes := []*protoHandshake{
{
Version: 5,
Caps: []p2p.Cap{
{Name: string(randBuf(2)), Version: version},
},
ID: pub0,
},
{
Version: 5,
Caps: []p2p.Cap{
{Name: "eth", Version: version},
},
ID: append(pub0, byte(0)),
},
{
Version: 5,
Caps: []p2p.Cap{
{Name: "eth", Version: version},
},
ID: append(pub0, pub0...),
},
{
Version: 5,
Caps: []p2p.Cap{
{Name: "eth", Version: version},
},
ID: randBuf(2),
},
{
Version: 5,
Caps: []p2p.Cap{
{Name: string(randBuf(2)), Version: version},
},
ID: randBuf(2),
},
}
for _, handshake := range handshakes {
conn, err := s.dialAs(key)
if err != nil {
t.Fatalf("dial failed: %v", err)
}
defer conn.Close()
if err := conn.Write(ethProto, handshakeMsg, handshake); err != nil {
t.Fatalf("could not write to connection: %v", err)
}
// Check that the peer disconnected
for i := 0; i < 2; i++ {
code, _, err := conn.Read()
if err != nil {
// Client may have disconnected without sending disconnect msg.
continue
}
switch code {
case discMsg:
case handshakeMsg:
// Discard one hello as Hello's are sent concurrently
continue
default:
t.Fatalf("unexpected msg: code %d", code)
}
}
}
}
func (s *Suite) TestMaliciousStatus(t *utesting.T) {
t.Log(`This test sends a malicious eth Status message to the node and expects a disconnect.`)
conn, err := s.dial()
if err != nil {
t.Fatalf("dial failed: %v", err)
}
defer conn.Close()
if err := conn.handshake(); err != nil {
t.Fatalf("handshake failed: %v", err)
}
// Create status with large total difficulty.
status := &eth.StatusPacket{
ProtocolVersion: uint32(conn.negotiatedProtoVersion),
NetworkID: s.chain.config.ChainID.Uint64(),
TD: new(big.Int).SetBytes(randBuf(2048)),
Head: s.chain.Head().Hash(),
Genesis: s.chain.GetBlock(0).Hash(),
ForkID: s.chain.ForkID(),
}
if err := conn.statusExchange(s.chain, status); err != nil {
t.Fatalf("status exchange failed: %v", err)
}
// Wait for disconnect.
code, _, err := conn.Read()
if err != nil {
t.Fatalf("error reading from connection: %v", err)
}
switch code {
case discMsg:
break
default:
t.Fatalf("expected disconnect, got: %d", code)
}
}
func (s *Suite) TestTransaction(t *utesting.T) {
t.Log(`This test sends a valid transaction to the node and checks if the
transaction gets propagated.`)
// Nudge client out of syncing mode to accept pending txs.
if err := s.engine.sendForkchoiceUpdated(); err != nil {
t.Fatalf("failed to send next block: %v", err)
}
from, nonce := s.chain.GetSender(0)
inner := &types.DynamicFeeTx{
ChainID: s.chain.config.ChainID,
Nonce: nonce,
GasTipCap: common.Big1,
GasFeeCap: s.chain.Head().BaseFee(),
Gas: 30000,
To: &common.Address{0xaa},
Value: common.Big1,
}
tx, err := s.chain.SignTx(from, types.NewTx(inner))
if err != nil {
t.Fatalf("failed to sign tx: %v", err)
}
if err := s.sendTxs(t, []*types.Transaction{tx}); err != nil {
t.Fatal(err)
}
s.chain.IncNonce(from, 1)
}
func (s *Suite) TestInvalidTxs(t *utesting.T) {
t.Log(`This test sends several kinds of invalid transactions and checks that the node
does not propagate them.`)
// Nudge client out of syncing mode to accept pending txs.
if err := s.engine.sendForkchoiceUpdated(); err != nil {
t.Fatalf("failed to send next block: %v", err)
}
from, nonce := s.chain.GetSender(0)
inner := &types.DynamicFeeTx{
ChainID: s.chain.config.ChainID,
Nonce: nonce,
GasTipCap: common.Big1,
GasFeeCap: s.chain.Head().BaseFee(),
Gas: 30000,
To: &common.Address{0xaa},
}
tx, err := s.chain.SignTx(from, types.NewTx(inner))
if err != nil {
t.Fatalf("failed to sign tx: %v", err)
}
if err := s.sendTxs(t, []*types.Transaction{tx}); err != nil {
t.Fatalf("failed to send txs: %v", err)
}
s.chain.IncNonce(from, 1)
inners := []*types.DynamicFeeTx{
// Nonce already used
{
ChainID: s.chain.config.ChainID,
Nonce: nonce - 1,
GasTipCap: common.Big1,
GasFeeCap: s.chain.Head().BaseFee(),
Gas: 100000,
},
// Value exceeds balance
{
Nonce: nonce,
GasTipCap: common.Big1,
GasFeeCap: s.chain.Head().BaseFee(),
Gas: 100000,
Value: s.chain.Balance(from),
},
// Gas limit too low
{
Nonce: nonce,
GasTipCap: common.Big1,
GasFeeCap: s.chain.Head().BaseFee(),
Gas: 1337,
},
// Code size too large
{
Nonce: nonce,
GasTipCap: common.Big1,
GasFeeCap: s.chain.Head().BaseFee(),
Data: randBuf(50),
Gas: 1_000_000,
},
// Data too large
{
Nonce: nonce,
GasTipCap: common.Big1,
GasFeeCap: s.chain.Head().BaseFee(),
To: &common.Address{0xaa},
Data: randBuf(128),
Gas: 5_000_000,
},
}
var txs []*types.Transaction
for _, inner := range inners {
tx, err := s.chain.SignTx(from, types.NewTx(inner))
if err != nil {
t.Fatalf("failed to sign tx: %v", err)
}
txs = append(txs, tx)
}
if err := s.sendInvalidTxs(t, txs); err != nil {
t.Fatalf("failed to send invalid txs: %v", err)
}
}
func (s *Suite) TestLargeTxRequest(t *utesting.T) {
t.Log(`This test first send ~2000 transactions to the node, then requests them
on another peer connection using GetPooledTransactions.`)
// Nudge client out of syncing mode to accept pending txs.
if err := s.engine.sendForkchoiceUpdated(); err != nil {
t.Fatalf("failed to send next block: %v", err)
}
// Generate many transactions to seed target with.
var (
from, nonce = s.chain.GetSender(1)
count = 2000
txs []*types.Transaction
hashes []common.Hash
set = make(map[common.Hash]struct{})
)
for i := 0; i < count; i++ {
inner := &types.DynamicFeeTx{
ChainID: s.chain.config.ChainID,
Nonce: nonce + uint64(i),
GasTipCap: common.Big1,
GasFeeCap: s.chain.Head().BaseFee(),
Gas: 75000,
}
tx, err := s.chain.SignTx(from, types.NewTx(inner))
if err != nil {
t.Fatalf("failed to sign tx: err")
}
txs = append(txs, tx)
set[tx.Hash()] = struct{}{}
hashes = append(hashes, tx.Hash())
}
s.chain.IncNonce(from, uint64(count))
// Send txs.
if err := s.sendTxs(t, txs); err != nil {
t.Fatalf("failed to send txs: %v", err)
}
// Set up receive connection to ensure node is peered with the receiving
// connection before tx request is sent.
conn, err := s.dial()
if err != nil {
t.Fatalf("dial failed: %v", err)
}
defer conn.Close()
if err = conn.peer(s.chain, nil); err != nil {
t.Fatalf("peering failed: %v", err)
}
// Create and send pooled tx request.
req := &eth.GetPooledTransactionsPacket{
RequestId: 1234,
GetPooledTransactionsRequest: hashes,
}
if err = conn.Write(ethProto, eth.GetPooledTransactionsMsg, req); err != nil {
t.Fatalf("could not write to conn: %v", err)
}
// Check that all received transactions match those that were sent to node.
msg := new(eth.PooledTransactionsPacket)
if err := conn.ReadMsg(ethProto, eth.PooledTransactionsMsg, &msg); err != nil {
t.Fatalf("error reading from connection: %v", err)
}
if got, want := msg.RequestId, req.RequestId; got != want {
t.Fatalf("unexpected request id in response: got %d, want %d", got, want)
}
for _, got := range msg.PooledTransactionsResponse {
if _, exists := set[got.Hash()]; !exists {
t.Fatalf("unexpected tx received: %v", got.Hash())
}
}
}
func (s *Suite) TestNewPooledTxs(t *utesting.T) {
t.Log(`This test announces transaction hashes to the node and expects it to fetch
the transactions using a GetPooledTransactions request.`)
// Nudge client out of syncing mode to accept pending txs.
if err := s.engine.sendForkchoiceUpdated(); err != nil {
t.Fatalf("failed to send next block: %v", err)
}
var (
count = 50
from, nonce = s.chain.GetSender(1)
hashes = make([]common.Hash, count)
txTypes = make([]byte, count)
sizes = make([]uint32, count)
)
for i := 0; i < count; i++ {
inner := &types.DynamicFeeTx{
ChainID: s.chain.config.ChainID,
Nonce: nonce + uint64(i),
GasTipCap: common.Big1,
GasFeeCap: s.chain.Head().BaseFee(),
Gas: 75000,
}
tx, err := s.chain.SignTx(from, types.NewTx(inner))
if err != nil {
t.Fatalf("failed to sign tx: err")
}
hashes[i] = tx.Hash()
txTypes[i] = tx.Type()
sizes[i] = uint32(tx.Size())
}
s.chain.IncNonce(from, uint64(count))
// Connect to peer.
conn, err := s.dial()
if err != nil {
t.Fatalf("dial failed: %v", err)
}
defer conn.Close()
if err = conn.peer(s.chain, nil); err != nil {
t.Fatalf("peering failed: %v", err)
}
// Send announcement.
ann := eth.NewPooledTransactionHashesPacket{Types: txTypes, Sizes: sizes, Hashes: hashes}
err = conn.Write(ethProto, eth.NewPooledTransactionHashesMsg, ann)
if err != nil {
t.Fatalf("failed to write to connection: %v", err)
}
// Wait for GetPooledTxs request.
for {
msg, err := conn.ReadEth()
if err != nil {
t.Fatalf("failed to read eth msg: %v", err)
}
switch msg := msg.(type) {
case *eth.GetPooledTransactionsPacket:
if len(msg.GetPooledTransactionsRequest) != len(hashes) {
t.Fatalf("unexpected number of txs requested: wanted %d, got %d", len(hashes), len(msg.GetPooledTransactionsRequest))
}
return
case *eth.NewPooledTransactionHashesPacket:
continue
case *eth.TransactionsPacket:
continue
default:
t.Fatalf("unexpected %s", pretty.Sdump(msg))
}
}
}
func makeSidecar(data ...byte) *types.BlobTxSidecar {
var (
blobs = make([]kzg4844.Blob, len(data))
commitments []kzg4844.Commitment
proofs []kzg4844.Proof
)
for i := range blobs {
blobs[i][0] = data[i]
c, _ := kzg4844.BlobToCommitment(blobs[i])
p, _ := kzg4844.ComputeBlobProof(blobs[i], c)
commitments = append(commitments, c)
proofs = append(proofs, p)
}
return &types.BlobTxSidecar{
Blobs: blobs,
Commitments: commitments,
Proofs: proofs,
}
}
func (s *Suite) makeBlobTxs(count, blobs int, discriminator byte) (txs types.Transactions) {
from, nonce := s.chain.GetSender(5)
for i := 0; i < count; i++ {
// Make blob data, max of 2 blobs per tx.
blobdata := make([]byte, blobs%3)
for i := range blobdata {
blobdata[i] = discriminator
blobs -= 1
}
inner := &types.BlobTx{
ChainID: uint256.MustFromBig(s.chain.config.ChainID),
Nonce: nonce + uint64(i),
GasTipCap: uint256.NewInt(1),
GasFeeCap: uint256.MustFromBig(s.chain.Head().BaseFee()),
Gas: 100000,
BlobFeeCap: uint256.MustFromBig(eip4844.CalcBlobFee(*s.chain.Head().ExcessBlobGas())),
BlobHashes: makeSidecar(blobdata...).BlobHashes(),
Sidecar: makeSidecar(blobdata...),
}
tx, err := s.chain.SignTx(from, types.NewTx(inner))
if err != nil {
panic("blob tx signing failed")
}
txs = append(txs, tx)
}
return txs
}
func (s *Suite) TestBlobViolations(t *utesting.T) {
t.Log(`This test sends some invalid blob tx announcements and expects the node to disconnect.`)
if err := s.engine.sendForkchoiceUpdated(); err != nil {
t.Fatalf("send fcu failed: %v", err)
}
// Create blob txs for each tests with unique tx hashes.
var (
t1 = s.makeBlobTxs(2, 3, 0x1)
t2 = s.makeBlobTxs(2, 3, 0x2)
)
for _, test := range []struct {
ann eth.NewPooledTransactionHashesPacket
resp eth.PooledTransactionsResponse
}{
// Invalid tx size.
{
ann: eth.NewPooledTransactionHashesPacket{
Types: []byte{types.BlobTxType, types.BlobTxType},
Sizes: []uint32{uint32(t1[0].Size()), uint32(t1[1].Size() + 10)},
Hashes: []common.Hash{t1[0].Hash(), t1[1].Hash()},
},
resp: eth.PooledTransactionsResponse(t1),
},
// Wrong tx type.
{
ann: eth.NewPooledTransactionHashesPacket{
Types: []byte{types.DynamicFeeTxType, types.BlobTxType},
Sizes: []uint32{uint32(t2[0].Size()), uint32(t2[1].Size())},
Hashes: []common.Hash{t2[0].Hash(), t2[1].Hash()},
},
resp: eth.PooledTransactionsResponse(t2),
},
} {
conn, err := s.dial()
if err != nil {
t.Fatalf("dial fail: %v", err)
}
if err := conn.peer(s.chain, nil); err != nil {
t.Fatalf("peering failed: %v", err)
}
if err := conn.Write(ethProto, eth.NewPooledTransactionHashesMsg, test.ann); err != nil {
t.Fatalf("sending announcement failed: %v", err)
}
req := new(eth.GetPooledTransactionsPacket)
if err := conn.ReadMsg(ethProto, eth.GetPooledTransactionsMsg, req); err != nil {
t.Fatalf("reading pooled tx request failed: %v", err)
}
resp := eth.PooledTransactionsPacket{RequestId: req.RequestId, PooledTransactionsResponse: test.resp}
if err := conn.Write(ethProto, eth.PooledTransactionsMsg, resp); err != nil {
t.Fatalf("writing pooled tx response failed: %v", err)
}
if code, _, err := conn.Read(); err != nil {
t.Fatalf("expected disconnect on blob violation, got err: %v", err)
} else if code != discMsg {
t.Fatalf("expected disconnect on blob violation, got msg code: %d", code)
}
conn.Close()
}
}