go-ethereum/cmd/devp2p/internal/ethtest/suite.go

784 lines
24 KiB
Go

// Copyright 2020 The go-ethereum Authors
// This file is part of the go-ethereum library.
//
// The go-ethereum library is free software: you can redistribute it and/or modify
// it under the terms of the GNU Lesser General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// The go-ethereum library 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 Lesser General Public License for more details.
//
// You should have received a copy of the GNU Lesser General Public License
// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
package ethtest
import (
"time"
"github.com/ethereum/go-ethereum/common"
"github.com/ethereum/go-ethereum/eth/protocols/eth"
"github.com/ethereum/go-ethereum/internal/utesting"
"github.com/ethereum/go-ethereum/p2p/enode"
)
// Suite represents a structure used to test a node's conformance
// to the eth protocol.
type Suite struct {
Dest *enode.Node
chain *Chain
fullChain *Chain
}
// 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, chainfile string, genesisfile string) (*Suite, error) {
chain, err := loadChain(chainfile, genesisfile)
if err != nil {
return nil, err
}
return &Suite{
Dest: dest,
chain: chain.Shorten(1000),
fullChain: chain,
}, nil
}
func (s *Suite) AllEthTests() []utesting.Test {
return []utesting.Test{
// status
{Name: "TestStatus65", Fn: s.TestStatus65},
{Name: "TestStatus66", Fn: s.TestStatus66},
// get block headers
{Name: "TestGetBlockHeaders65", Fn: s.TestGetBlockHeaders65},
{Name: "TestGetBlockHeaders66", Fn: s.TestGetBlockHeaders66},
{Name: "TestSimultaneousRequests66", Fn: s.TestSimultaneousRequests66},
{Name: "TestSameRequestID66", Fn: s.TestSameRequestID66},
{Name: "TestZeroRequestID66", Fn: s.TestZeroRequestID66},
// get block bodies
{Name: "TestGetBlockBodies65", Fn: s.TestGetBlockBodies65},
{Name: "TestGetBlockBodies66", Fn: s.TestGetBlockBodies66},
// broadcast
{Name: "TestBroadcast65", Fn: s.TestBroadcast65},
{Name: "TestBroadcast66", Fn: s.TestBroadcast66},
{Name: "TestLargeAnnounce65", Fn: s.TestLargeAnnounce65},
{Name: "TestLargeAnnounce66", Fn: s.TestLargeAnnounce66},
{Name: "TestOldAnnounce65", Fn: s.TestOldAnnounce65},
{Name: "TestOldAnnounce66", Fn: s.TestOldAnnounce66},
{Name: "TestBlockHashAnnounce65", Fn: s.TestBlockHashAnnounce65},
{Name: "TestBlockHashAnnounce66", Fn: s.TestBlockHashAnnounce66},
// malicious handshakes + status
{Name: "TestMaliciousHandshake65", Fn: s.TestMaliciousHandshake65},
{Name: "TestMaliciousStatus65", Fn: s.TestMaliciousStatus65},
{Name: "TestMaliciousHandshake66", Fn: s.TestMaliciousHandshake66},
{Name: "TestMaliciousStatus66", Fn: s.TestMaliciousStatus66},
// test transactions
{Name: "TestTransaction65", Fn: s.TestTransaction65},
{Name: "TestTransaction66", Fn: s.TestTransaction66},
{Name: "TestMaliciousTx65", Fn: s.TestMaliciousTx65},
{Name: "TestMaliciousTx66", Fn: s.TestMaliciousTx66},
{Name: "TestLargeTxRequest66", Fn: s.TestLargeTxRequest66},
{Name: "TestNewPooledTxs66", Fn: s.TestNewPooledTxs66},
}
}
func (s *Suite) EthTests() []utesting.Test {
return []utesting.Test{
{Name: "TestStatus65", Fn: s.TestStatus65},
{Name: "TestGetBlockHeaders65", Fn: s.TestGetBlockHeaders65},
{Name: "TestGetBlockBodies65", Fn: s.TestGetBlockBodies65},
{Name: "TestBroadcast65", Fn: s.TestBroadcast65},
{Name: "TestLargeAnnounce65", Fn: s.TestLargeAnnounce65},
{Name: "TestOldAnnounce65", Fn: s.TestOldAnnounce65},
{Name: "TestBlockHashAnnounce65", Fn: s.TestBlockHashAnnounce65},
{Name: "TestMaliciousHandshake65", Fn: s.TestMaliciousHandshake65},
{Name: "TestMaliciousStatus65", Fn: s.TestMaliciousStatus65},
{Name: "TestTransaction65", Fn: s.TestTransaction65},
{Name: "TestMaliciousTx65", Fn: s.TestMaliciousTx65},
}
}
func (s *Suite) Eth66Tests() []utesting.Test {
return []utesting.Test{
// only proceed with eth66 test suite if node supports eth 66 protocol
{Name: "TestStatus66", Fn: s.TestStatus66},
{Name: "TestGetBlockHeaders66", Fn: s.TestGetBlockHeaders66},
{Name: "TestSimultaneousRequests66", Fn: s.TestSimultaneousRequests66},
{Name: "TestSameRequestID66", Fn: s.TestSameRequestID66},
{Name: "TestZeroRequestID66", Fn: s.TestZeroRequestID66},
{Name: "TestGetBlockBodies66", Fn: s.TestGetBlockBodies66},
{Name: "TestBroadcast66", Fn: s.TestBroadcast66},
{Name: "TestLargeAnnounce66", Fn: s.TestLargeAnnounce66},
{Name: "TestOldAnnounce66", Fn: s.TestOldAnnounce66},
{Name: "TestBlockHashAnnounce66", Fn: s.TestBlockHashAnnounce66},
{Name: "TestMaliciousHandshake66", Fn: s.TestMaliciousHandshake66},
{Name: "TestMaliciousStatus66", Fn: s.TestMaliciousStatus66},
{Name: "TestTransaction66", Fn: s.TestTransaction66},
{Name: "TestMaliciousTx66", Fn: s.TestMaliciousTx66},
{Name: "TestLargeTxRequest66", Fn: s.TestLargeTxRequest66},
{Name: "TestNewPooledTxs66", Fn: s.TestNewPooledTxs66},
}
}
var (
eth66 = true // indicates whether suite should negotiate eth66 connection
eth65 = false // indicates whether suite should negotiate eth65 connection or below.
)
// TestStatus65 attempts to connect to the given node and exchange
// a status message with it.
func (s *Suite) TestStatus65(t *utesting.T) {
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)
}
}
// TestStatus66 attempts to connect to the given node and exchange
// a status message with it on the eth66 protocol.
func (s *Suite) TestStatus66(t *utesting.T) {
conn, err := s.dial66()
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)
}
}
// TestGetBlockHeaders65 tests whether the given node can respond to
// a `GetBlockHeaders` request accurately.
func (s *Suite) TestGetBlockHeaders65(t *utesting.T) {
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("handshake(s) failed: %v", err)
}
// write request
req := &GetBlockHeaders{
Origin: eth.HashOrNumber{
Hash: s.chain.blocks[1].Hash(),
},
Amount: 2,
Skip: 1,
Reverse: false,
}
headers, err := conn.headersRequest(req, s.chain, eth65, 0)
if err != nil {
t.Fatalf("GetBlockHeaders request failed: %v", err)
}
// 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) {
t.Fatalf("header mismatch: \nexpected %v \ngot %v", expected, headers)
}
}
// TestGetBlockHeaders66 tests whether the given node can respond to
// an eth66 `GetBlockHeaders` request and that the response is accurate.
func (s *Suite) TestGetBlockHeaders66(t *utesting.T) {
conn, err := s.dial66()
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)
}
// write request
req := &GetBlockHeaders{
Origin: eth.HashOrNumber{
Hash: s.chain.blocks[1].Hash(),
},
Amount: 2,
Skip: 1,
Reverse: false,
}
headers, err := conn.headersRequest(req, s.chain, eth66, 33)
if err != nil {
t.Fatalf("could not get block headers: %v", err)
}
// 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) {
t.Fatalf("header mismatch: \nexpected %v \ngot %v", expected, headers)
}
}
// TestSimultaneousRequests66 sends two simultaneous `GetBlockHeader` requests from
// the same connection with different request IDs and checks to make sure the node
// responds with the correct headers per request.
func (s *Suite) TestSimultaneousRequests66(t *utesting.T) {
// create a connection
conn, err := s.dial66()
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 requests
req1 := &eth.GetBlockHeadersPacket66{
RequestId: uint64(111),
GetBlockHeadersPacket: &eth.GetBlockHeadersPacket{
Origin: eth.HashOrNumber{
Hash: s.chain.blocks[1].Hash(),
},
Amount: 2,
Skip: 1,
Reverse: false,
},
}
req2 := &eth.GetBlockHeadersPacket66{
RequestId: uint64(222),
GetBlockHeadersPacket: &eth.GetBlockHeadersPacket{
Origin: eth.HashOrNumber{
Hash: s.chain.blocks[1].Hash(),
},
Amount: 4,
Skip: 1,
Reverse: false,
},
}
// write the first request
if err := conn.Write66(req1, GetBlockHeaders{}.Code()); err != nil {
t.Fatalf("failed to write to connection: %v", err)
}
// write the second request
if err := conn.Write66(req2, GetBlockHeaders{}.Code()); err != nil {
t.Fatalf("failed to write to connection: %v", err)
}
// wait for responses
msg := conn.waitForResponse(s.chain, timeout, req1.RequestId)
headers1, ok := msg.(BlockHeaders)
if !ok {
t.Fatalf("unexpected %s", pretty.Sdump(msg))
}
msg = conn.waitForResponse(s.chain, timeout, req2.RequestId)
headers2, ok := msg.(BlockHeaders)
if !ok {
t.Fatalf("unexpected %s", pretty.Sdump(msg))
}
// check received headers for accuracy
expected1, err := s.chain.GetHeaders(GetBlockHeaders(*req1.GetBlockHeadersPacket))
if err != nil {
t.Fatalf("failed to get expected headers for request 1: %v", err)
}
expected2, err := s.chain.GetHeaders(GetBlockHeaders(*req2.GetBlockHeadersPacket))
if err != nil {
t.Fatalf("failed to get expected headers for request 2: %v", err)
}
if !headersMatch(expected1, headers1) {
t.Fatalf("header mismatch: \nexpected %v \ngot %v", expected1, headers1)
}
if !headersMatch(expected2, headers2) {
t.Fatalf("header mismatch: \nexpected %v \ngot %v", expected2, headers2)
}
}
// TestSameRequestID66 sends two requests with the same request ID to a
// single node.
func (s *Suite) TestSameRequestID66(t *utesting.T) {
conn, err := s.dial66()
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 requests
reqID := uint64(1234)
request1 := &eth.GetBlockHeadersPacket66{
RequestId: reqID,
GetBlockHeadersPacket: &eth.GetBlockHeadersPacket{
Origin: eth.HashOrNumber{
Number: 1,
},
Amount: 2,
},
}
request2 := &eth.GetBlockHeadersPacket66{
RequestId: reqID,
GetBlockHeadersPacket: &eth.GetBlockHeadersPacket{
Origin: eth.HashOrNumber{
Number: 33,
},
Amount: 2,
},
}
// write the requests
if err = conn.Write66(request1, GetBlockHeaders{}.Code()); err != nil {
t.Fatalf("failed to write to connection: %v", err)
}
if err = conn.Write66(request2, GetBlockHeaders{}.Code()); err != nil {
t.Fatalf("failed to write to connection: %v", err)
}
// wait for responses
msg := conn.waitForResponse(s.chain, timeout, reqID)
headers1, ok := msg.(BlockHeaders)
if !ok {
t.Fatalf("unexpected %s", pretty.Sdump(msg))
}
msg = conn.waitForResponse(s.chain, timeout, reqID)
headers2, ok := msg.(BlockHeaders)
if !ok {
t.Fatalf("unexpected %s", pretty.Sdump(msg))
}
// check if headers match
expected1, err := s.chain.GetHeaders(GetBlockHeaders(*request1.GetBlockHeadersPacket))
if err != nil {
t.Fatalf("failed to get expected block headers: %v", err)
}
expected2, err := s.chain.GetHeaders(GetBlockHeaders(*request2.GetBlockHeadersPacket))
if err != nil {
t.Fatalf("failed to get expected block headers: %v", err)
}
if !headersMatch(expected1, headers1) {
t.Fatalf("header mismatch: \nexpected %v \ngot %v", expected1, headers1)
}
if !headersMatch(expected2, headers2) {
t.Fatalf("header mismatch: \nexpected %v \ngot %v", expected2, headers2)
}
}
// TestZeroRequestID_66 checks that a message with a request ID of zero is still handled
// by the node.
func (s *Suite) TestZeroRequestID66(t *utesting.T) {
conn, err := s.dial66()
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 := &GetBlockHeaders{
Origin: eth.HashOrNumber{
Number: 0,
},
Amount: 2,
}
headers, err := conn.headersRequest(req, s.chain, eth66, 0)
if err != nil {
t.Fatalf("failed to get block headers: %v", err)
}
expected, err := s.chain.GetHeaders(*req)
if err != nil {
t.Fatalf("failed to get expected block headers: %v", err)
}
if !headersMatch(expected, headers) {
t.Fatalf("header mismatch: \nexpected %v \ngot %v", expected, headers)
}
}
// TestGetBlockBodies65 tests whether the given node can respond to
// a `GetBlockBodies` request and that the response is accurate.
func (s *Suite) TestGetBlockBodies65(t *utesting.T) {
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 := &GetBlockBodies{
s.chain.blocks[54].Hash(),
s.chain.blocks[75].Hash(),
}
if err := conn.Write(req); err != nil {
t.Fatalf("could not write to connection: %v", err)
}
// wait for response
switch msg := conn.readAndServe(s.chain, timeout).(type) {
case *BlockBodies:
t.Logf("received %d block bodies", len(*msg))
if len(*msg) != len(*req) {
t.Fatalf("wrong bodies in response: expected %d bodies, "+
"got %d", len(*req), len(*msg))
}
default:
t.Fatalf("unexpected: %s", pretty.Sdump(msg))
}
}
// TestGetBlockBodies66 tests whether the given node can respond to
// a `GetBlockBodies` request and that the response is accurate over
// the eth66 protocol.
func (s *Suite) TestGetBlockBodies66(t *utesting.T) {
conn, err := s.dial66()
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.GetBlockBodiesPacket66{
RequestId: uint64(55),
GetBlockBodiesPacket: eth.GetBlockBodiesPacket{
s.chain.blocks[54].Hash(),
s.chain.blocks[75].Hash(),
},
}
if err := conn.Write66(req, GetBlockBodies{}.Code()); err != nil {
t.Fatalf("could not write to connection: %v", err)
}
// wait for block bodies response
msg := conn.waitForResponse(s.chain, timeout, req.RequestId)
blockBodies, ok := msg.(BlockBodies)
if !ok {
t.Fatalf("unexpected: %s", pretty.Sdump(msg))
}
t.Logf("received %d block bodies", len(blockBodies))
if len(blockBodies) != len(req.GetBlockBodiesPacket) {
t.Fatalf("wrong bodies in response: expected %d bodies, "+
"got %d", len(req.GetBlockBodiesPacket), len(blockBodies))
}
}
// TestBroadcast65 tests whether a block announcement is correctly
// propagated to the given node's peer(s).
func (s *Suite) TestBroadcast65(t *utesting.T) {
if err := s.sendNextBlock(eth65); err != nil {
t.Fatalf("block broadcast failed: %v", err)
}
}
// TestBroadcast66 tests whether a block announcement is correctly
// propagated to the given node's peer(s) on the eth66 protocol.
func (s *Suite) TestBroadcast66(t *utesting.T) {
if err := s.sendNextBlock(eth66); err != nil {
t.Fatalf("block broadcast failed: %v", err)
}
}
// TestLargeAnnounce65 tests the announcement mechanism with a large block.
func (s *Suite) TestLargeAnnounce65(t *utesting.T) {
nextBlock := len(s.chain.blocks)
blocks := []*NewBlock{
{
Block: largeBlock(),
TD: s.fullChain.TotalDifficultyAt(nextBlock),
},
{
Block: s.fullChain.blocks[nextBlock],
TD: largeNumber(2),
},
{
Block: largeBlock(),
TD: largeNumber(2),
},
}
for i, blockAnnouncement := range blocks {
t.Logf("Testing malicious announcement: %v\n", i)
conn, err := s.dial()
if err != nil {
t.Fatalf("dial failed: %v", err)
}
if err = conn.peer(s.chain, nil); err != nil {
t.Fatalf("peering failed: %v", err)
}
if err = conn.Write(blockAnnouncement); err != nil {
t.Fatalf("could not write to connection: %v", err)
}
// Invalid announcement, check that peer disconnected
switch msg := conn.readAndServe(s.chain, time.Second*8).(type) {
case *Disconnect:
case *Error:
break
default:
t.Fatalf("unexpected: %s wanted disconnect", pretty.Sdump(msg))
}
conn.Close()
}
// Test the last block as a valid block
if err := s.sendNextBlock(eth65); err != nil {
t.Fatalf("failed to broadcast next block: %v", err)
}
}
// TestLargeAnnounce66 tests the announcement mechanism with a large
// block over the eth66 protocol.
func (s *Suite) TestLargeAnnounce66(t *utesting.T) {
nextBlock := len(s.chain.blocks)
blocks := []*NewBlock{
{
Block: largeBlock(),
TD: s.fullChain.TotalDifficultyAt(nextBlock),
},
{
Block: s.fullChain.blocks[nextBlock],
TD: largeNumber(2),
},
{
Block: largeBlock(),
TD: largeNumber(2),
},
}
for i, blockAnnouncement := range blocks[0:3] {
t.Logf("Testing malicious announcement: %v\n", i)
conn, err := s.dial66()
if err != nil {
t.Fatalf("dial failed: %v", err)
}
if err := conn.peer(s.chain, nil); err != nil {
t.Fatalf("peering failed: %v", err)
}
if err := conn.Write(blockAnnouncement); err != nil {
t.Fatalf("could not write to connection: %v", err)
}
// Invalid announcement, check that peer disconnected
switch msg := conn.readAndServe(s.chain, time.Second*8).(type) {
case *Disconnect:
case *Error:
break
default:
t.Fatalf("unexpected: %s wanted disconnect", pretty.Sdump(msg))
}
conn.Close()
}
// Test the last block as a valid block
if err := s.sendNextBlock(eth66); err != nil {
t.Fatalf("failed to broadcast next block: %v", err)
}
}
// TestOldAnnounce65 tests the announcement mechanism with an old block.
func (s *Suite) TestOldAnnounce65(t *utesting.T) {
if err := s.oldAnnounce(eth65); err != nil {
t.Fatal(err)
}
}
// TestOldAnnounce66 tests the announcement mechanism with an old block,
// over the eth66 protocol.
func (s *Suite) TestOldAnnounce66(t *utesting.T) {
if err := s.oldAnnounce(eth66); err != nil {
t.Fatal(err)
}
}
// TestBlockHashAnnounce65 sends a new block hash announcement and expects
// the node to perform a `GetBlockHeaders` request.
func (s *Suite) TestBlockHashAnnounce65(t *utesting.T) {
if err := s.hashAnnounce(eth65); err != nil {
t.Fatalf("block hash announcement failed: %v", err)
}
}
// TestBlockHashAnnounce66 sends a new block hash announcement and expects
// the node to perform a `GetBlockHeaders` request.
func (s *Suite) TestBlockHashAnnounce66(t *utesting.T) {
if err := s.hashAnnounce(eth66); err != nil {
t.Fatalf("block hash announcement failed: %v", err)
}
}
// TestMaliciousHandshake65 tries to send malicious data during the handshake.
func (s *Suite) TestMaliciousHandshake65(t *utesting.T) {
if err := s.maliciousHandshakes(t, eth65); err != nil {
t.Fatal(err)
}
}
// TestMaliciousHandshake66 tries to send malicious data during the handshake.
func (s *Suite) TestMaliciousHandshake66(t *utesting.T) {
if err := s.maliciousHandshakes(t, eth66); err != nil {
t.Fatal(err)
}
}
// TestMaliciousStatus65 sends a status package with a large total difficulty.
func (s *Suite) TestMaliciousStatus65(t *utesting.T) {
conn, err := s.dial()
if err != nil {
t.Fatalf("dial failed: %v", err)
}
defer conn.Close()
if err := s.maliciousStatus(conn); err != nil {
t.Fatal(err)
}
}
// TestMaliciousStatus66 sends a status package with a large total
// difficulty over the eth66 protocol.
func (s *Suite) TestMaliciousStatus66(t *utesting.T) {
conn, err := s.dial66()
if err != nil {
t.Fatalf("dial failed: %v", err)
}
defer conn.Close()
if err := s.maliciousStatus(conn); err != nil {
t.Fatal(err)
}
}
// TestTransaction65 sends a valid transaction to the node and
// checks if the transaction gets propagated.
func (s *Suite) TestTransaction65(t *utesting.T) {
if err := s.sendSuccessfulTxs(t, eth65); err != nil {
t.Fatal(err)
}
}
// TestTransaction66 sends a valid transaction to the node and
// checks if the transaction gets propagated.
func (s *Suite) TestTransaction66(t *utesting.T) {
if err := s.sendSuccessfulTxs(t, eth66); err != nil {
t.Fatal(err)
}
}
// TestMaliciousTx65 sends several invalid transactions and tests whether
// the node will propagate them.
func (s *Suite) TestMaliciousTx65(t *utesting.T) {
if err := s.sendMaliciousTxs(t, eth65); err != nil {
t.Fatal(err)
}
}
// TestMaliciousTx66 sends several invalid transactions and tests whether
// the node will propagate them.
func (s *Suite) TestMaliciousTx66(t *utesting.T) {
if err := s.sendMaliciousTxs(t, eth66); err != nil {
t.Fatal(err)
}
}
// TestLargeTxRequest66 tests whether a node can fulfill a large GetPooledTransactions
// request.
func (s *Suite) TestLargeTxRequest66(t *utesting.T) {
// send the next block to ensure the node is no longer syncing and
// is able to accept txs
if err := s.sendNextBlock(eth66); err != nil {
t.Fatalf("failed to send next block: %v", err)
}
// send 2000 transactions to the node
hashMap, txs, err := generateTxs(s, 2000)
if err != nil {
t.Fatalf("failed to generate transactions: %v", err)
}
if err = sendMultipleSuccessfulTxs(t, s, txs); err != nil {
t.Fatalf("failed to send multiple txs: %v", err)
}
// set up connection to receive to ensure node is peered with the receiving connection
// before tx request is sent
conn, err := s.dial66()
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
hashes := make([]common.Hash, 0)
for _, hash := range hashMap {
hashes = append(hashes, hash)
}
getTxReq := &eth.GetPooledTransactionsPacket66{
RequestId: 1234,
GetPooledTransactionsPacket: hashes,
}
if err = conn.Write66(getTxReq, GetPooledTransactions{}.Code()); err != nil {
t.Fatalf("could not write to conn: %v", err)
}
// check that all received transactions match those that were sent to node
switch msg := conn.waitForResponse(s.chain, timeout, getTxReq.RequestId).(type) {
case PooledTransactions:
for _, gotTx := range msg {
if _, exists := hashMap[gotTx.Hash()]; !exists {
t.Fatalf("unexpected tx received: %v", gotTx.Hash())
}
}
default:
t.Fatalf("unexpected %s", pretty.Sdump(msg))
}
}
// TestNewPooledTxs_66 tests whether a node will do a GetPooledTransactions
// request upon receiving a NewPooledTransactionHashes announcement.
func (s *Suite) TestNewPooledTxs66(t *utesting.T) {
// send the next block to ensure the node is no longer syncing and
// is able to accept txs
if err := s.sendNextBlock(eth66); err != nil {
t.Fatalf("failed to send next block: %v", err)
}
// generate 50 txs
hashMap, _, err := generateTxs(s, 50)
if err != nil {
t.Fatalf("failed to generate transactions: %v", err)
}
// create new pooled tx hashes announcement
hashes := make([]common.Hash, 0)
for _, hash := range hashMap {
hashes = append(hashes, hash)
}
announce := NewPooledTransactionHashes(hashes)
// send announcement
conn, err := s.dial66()
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)
}
if err = conn.Write(announce); err != nil {
t.Fatalf("failed to write to connection: %v", err)
}
// wait for GetPooledTxs request
for {
_, msg := conn.readAndServe66(s.chain, timeout)
switch msg := msg.(type) {
case GetPooledTransactions:
if len(msg) != len(hashes) {
t.Fatalf("unexpected number of txs requested: wanted %d, got %d", len(hashes), len(msg))
}
return
// ignore propagated txs from previous tests
case *NewPooledTransactionHashes:
continue
// ignore block announcements from previous tests
case *NewBlockHashes:
continue
case *NewBlock:
continue
default:
t.Fatalf("unexpected %s", pretty.Sdump(msg))
}
}
}