679 lines
23 KiB
Go
679 lines
23 KiB
Go
// Copyright 2016 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/>.
|
|
|
|
// This file contains some shares testing functionality, common to multiple
|
|
// different files and modules being tested. Client based network and Server
|
|
// based network can be created easily with available APIs.
|
|
|
|
package les
|
|
|
|
import (
|
|
"context"
|
|
"crypto/rand"
|
|
"fmt"
|
|
"math/big"
|
|
"sync/atomic"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/accounts/abi/bind"
|
|
"github.com/ethereum/go-ethereum/accounts/abi/bind/backends"
|
|
"github.com/ethereum/go-ethereum/common"
|
|
"github.com/ethereum/go-ethereum/common/mclock"
|
|
"github.com/ethereum/go-ethereum/consensus/ethash"
|
|
"github.com/ethereum/go-ethereum/contracts/checkpointoracle/contract"
|
|
"github.com/ethereum/go-ethereum/core"
|
|
"github.com/ethereum/go-ethereum/core/forkid"
|
|
"github.com/ethereum/go-ethereum/core/rawdb"
|
|
"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/ethdb"
|
|
"github.com/ethereum/go-ethereum/event"
|
|
"github.com/ethereum/go-ethereum/les/checkpointoracle"
|
|
"github.com/ethereum/go-ethereum/les/flowcontrol"
|
|
vfs "github.com/ethereum/go-ethereum/les/vflux/server"
|
|
"github.com/ethereum/go-ethereum/light"
|
|
"github.com/ethereum/go-ethereum/p2p"
|
|
"github.com/ethereum/go-ethereum/p2p/enode"
|
|
"github.com/ethereum/go-ethereum/params"
|
|
)
|
|
|
|
var (
|
|
bankKey, _ = crypto.GenerateKey()
|
|
bankAddr = crypto.PubkeyToAddress(bankKey.PublicKey)
|
|
bankFunds = big.NewInt(1000000000000000000)
|
|
|
|
userKey1, _ = crypto.GenerateKey()
|
|
userKey2, _ = crypto.GenerateKey()
|
|
userAddr1 = crypto.PubkeyToAddress(userKey1.PublicKey)
|
|
userAddr2 = crypto.PubkeyToAddress(userKey2.PublicKey)
|
|
|
|
testContractAddr common.Address
|
|
testContractCode = common.Hex2Bytes("606060405260cc8060106000396000f360606040526000357c01000000000000000000000000000000000000000000000000000000009004806360cd2685146041578063c16431b914606b57603f565b005b6055600480803590602001909190505060a9565b6040518082815260200191505060405180910390f35b60886004808035906020019091908035906020019091905050608a565b005b80600060005083606481101560025790900160005b50819055505b5050565b6000600060005082606481101560025790900160005b5054905060c7565b91905056")
|
|
testContractCodeDeployed = testContractCode[16:]
|
|
testContractDeployed = uint64(2)
|
|
|
|
testEventEmitterCode = common.Hex2Bytes("60606040523415600e57600080fd5b7f57050ab73f6b9ebdd9f76b8d4997793f48cf956e965ee070551b9ca0bb71584e60405160405180910390a160358060476000396000f3006060604052600080fd00a165627a7a723058203f727efcad8b5811f8cb1fc2620ce5e8c63570d697aef968172de296ea3994140029")
|
|
|
|
// Checkpoint oracle relative fields
|
|
oracleAddr common.Address
|
|
signerKey, _ = crypto.GenerateKey()
|
|
signerAddr = crypto.PubkeyToAddress(signerKey.PublicKey)
|
|
)
|
|
|
|
var (
|
|
// The block frequency for creating checkpoint(only used in test)
|
|
sectionSize = big.NewInt(128)
|
|
|
|
// The number of confirmations needed to generate a checkpoint(only used in test).
|
|
processConfirms = big.NewInt(1)
|
|
|
|
// The token bucket buffer limit for testing purpose.
|
|
testBufLimit = uint64(1000000)
|
|
|
|
// The buffer recharging speed for testing purpose.
|
|
testBufRecharge = uint64(1000)
|
|
)
|
|
|
|
/*
|
|
contract test {
|
|
|
|
uint256[100] data;
|
|
|
|
function Put(uint256 addr, uint256 value) {
|
|
data[addr] = value;
|
|
}
|
|
|
|
function Get(uint256 addr) constant returns (uint256 value) {
|
|
return data[addr];
|
|
}
|
|
}
|
|
*/
|
|
|
|
// prepare pre-commits specified number customized blocks into chain.
|
|
func prepare(n int, backend *backends.SimulatedBackend) {
|
|
var (
|
|
ctx = context.Background()
|
|
signer = types.HomesteadSigner{}
|
|
)
|
|
for i := 0; i < n; i++ {
|
|
switch i {
|
|
case 0:
|
|
// Builtin-block
|
|
// number: 1
|
|
// txs: 2
|
|
|
|
// deploy checkpoint contract
|
|
auth, _ := bind.NewKeyedTransactorWithChainID(bankKey, big.NewInt(1337))
|
|
oracleAddr, _, _, _ = contract.DeployCheckpointOracle(auth, backend, []common.Address{signerAddr}, sectionSize, processConfirms, big.NewInt(1))
|
|
|
|
// bankUser transfers some ether to user1
|
|
nonce, _ := backend.PendingNonceAt(ctx, bankAddr)
|
|
tx, _ := types.SignTx(types.NewTransaction(nonce, userAddr1, big.NewInt(10000), params.TxGas, nil, nil), signer, bankKey)
|
|
backend.SendTransaction(ctx, tx)
|
|
case 1:
|
|
// Builtin-block
|
|
// number: 2
|
|
// txs: 4
|
|
|
|
bankNonce, _ := backend.PendingNonceAt(ctx, bankAddr)
|
|
userNonce1, _ := backend.PendingNonceAt(ctx, userAddr1)
|
|
|
|
// bankUser transfers more ether to user1
|
|
tx1, _ := types.SignTx(types.NewTransaction(bankNonce, userAddr1, big.NewInt(1000), params.TxGas, nil, nil), signer, bankKey)
|
|
backend.SendTransaction(ctx, tx1)
|
|
|
|
// user1 relays ether to user2
|
|
tx2, _ := types.SignTx(types.NewTransaction(userNonce1, userAddr2, big.NewInt(1000), params.TxGas, nil, nil), signer, userKey1)
|
|
backend.SendTransaction(ctx, tx2)
|
|
|
|
// user1 deploys a test contract
|
|
tx3, _ := types.SignTx(types.NewContractCreation(userNonce1+1, big.NewInt(0), 200000, big.NewInt(0), testContractCode), signer, userKey1)
|
|
backend.SendTransaction(ctx, tx3)
|
|
testContractAddr = crypto.CreateAddress(userAddr1, userNonce1+1)
|
|
|
|
// user1 deploys a event contract
|
|
tx4, _ := types.SignTx(types.NewContractCreation(userNonce1+2, big.NewInt(0), 200000, big.NewInt(0), testEventEmitterCode), signer, userKey1)
|
|
backend.SendTransaction(ctx, tx4)
|
|
case 2:
|
|
// Builtin-block
|
|
// number: 3
|
|
// txs: 2
|
|
|
|
// bankUser transfer some ether to signer
|
|
bankNonce, _ := backend.PendingNonceAt(ctx, bankAddr)
|
|
tx1, _ := types.SignTx(types.NewTransaction(bankNonce, signerAddr, big.NewInt(1000000000), params.TxGas, nil, nil), signer, bankKey)
|
|
backend.SendTransaction(ctx, tx1)
|
|
|
|
// invoke test contract
|
|
data := common.Hex2Bytes("C16431B900000000000000000000000000000000000000000000000000000000000000010000000000000000000000000000000000000000000000000000000000000001")
|
|
tx2, _ := types.SignTx(types.NewTransaction(bankNonce+1, testContractAddr, big.NewInt(0), 100000, nil, data), signer, bankKey)
|
|
backend.SendTransaction(ctx, tx2)
|
|
case 3:
|
|
// Builtin-block
|
|
// number: 4
|
|
// txs: 1
|
|
|
|
// invoke test contract
|
|
bankNonce, _ := backend.PendingNonceAt(ctx, bankAddr)
|
|
data := common.Hex2Bytes("C16431B900000000000000000000000000000000000000000000000000000000000000020000000000000000000000000000000000000000000000000000000000000002")
|
|
tx, _ := types.SignTx(types.NewTransaction(bankNonce, testContractAddr, big.NewInt(0), 100000, nil, data), signer, bankKey)
|
|
backend.SendTransaction(ctx, tx)
|
|
}
|
|
backend.Commit()
|
|
}
|
|
}
|
|
|
|
// testIndexers creates a set of indexers with specified params for testing purpose.
|
|
func testIndexers(db ethdb.Database, odr light.OdrBackend, config *light.IndexerConfig, disablePruning bool) []*core.ChainIndexer {
|
|
var indexers [3]*core.ChainIndexer
|
|
indexers[0] = light.NewChtIndexer(db, odr, config.ChtSize, config.ChtConfirms, disablePruning)
|
|
indexers[1] = core.NewBloomIndexer(db, config.BloomSize, config.BloomConfirms)
|
|
indexers[2] = light.NewBloomTrieIndexer(db, odr, config.BloomSize, config.BloomTrieSize, disablePruning)
|
|
// make bloomTrieIndexer as a child indexer of bloom indexer.
|
|
indexers[1].AddChildIndexer(indexers[2])
|
|
return indexers[:]
|
|
}
|
|
|
|
func newTestClientHandler(backend *backends.SimulatedBackend, odr *LesOdr, indexers []*core.ChainIndexer, db ethdb.Database, peers *serverPeerSet, ulcServers []string, ulcFraction int) (*clientHandler, func()) {
|
|
var (
|
|
evmux = new(event.TypeMux)
|
|
engine = ethash.NewFaker()
|
|
gspec = core.Genesis{
|
|
Config: params.AllEthashProtocolChanges,
|
|
Alloc: core.GenesisAlloc{bankAddr: {Balance: bankFunds}},
|
|
GasLimit: 100000000,
|
|
}
|
|
oracle *checkpointoracle.CheckpointOracle
|
|
)
|
|
genesis := gspec.MustCommit(db)
|
|
chain, _ := light.NewLightChain(odr, gspec.Config, engine, nil)
|
|
if indexers != nil {
|
|
checkpointConfig := ¶ms.CheckpointOracleConfig{
|
|
Address: crypto.CreateAddress(bankAddr, 0),
|
|
Signers: []common.Address{signerAddr},
|
|
Threshold: 1,
|
|
}
|
|
getLocal := func(index uint64) params.TrustedCheckpoint {
|
|
chtIndexer := indexers[0]
|
|
sectionHead := chtIndexer.SectionHead(index)
|
|
return params.TrustedCheckpoint{
|
|
SectionIndex: index,
|
|
SectionHead: sectionHead,
|
|
CHTRoot: light.GetChtRoot(db, index, sectionHead),
|
|
BloomRoot: light.GetBloomTrieRoot(db, index, sectionHead),
|
|
}
|
|
}
|
|
oracle = checkpointoracle.New(checkpointConfig, getLocal)
|
|
}
|
|
client := &LightEthereum{
|
|
lesCommons: lesCommons{
|
|
genesis: genesis.Hash(),
|
|
config: ðconfig.Config{LightPeers: 100, NetworkId: NetworkId},
|
|
chainConfig: params.AllEthashProtocolChanges,
|
|
iConfig: light.TestClientIndexerConfig,
|
|
chainDb: db,
|
|
oracle: oracle,
|
|
chainReader: chain,
|
|
closeCh: make(chan struct{}),
|
|
},
|
|
peers: peers,
|
|
reqDist: odr.retriever.dist,
|
|
retriever: odr.retriever,
|
|
odr: odr,
|
|
engine: engine,
|
|
blockchain: chain,
|
|
eventMux: evmux,
|
|
}
|
|
client.handler = newClientHandler(ulcServers, ulcFraction, nil, client)
|
|
|
|
if client.oracle != nil {
|
|
client.oracle.Start(backend)
|
|
}
|
|
client.handler.start()
|
|
return client.handler, func() {
|
|
client.handler.stop()
|
|
}
|
|
}
|
|
|
|
func newTestServerHandler(blocks int, indexers []*core.ChainIndexer, db ethdb.Database, clock mclock.Clock) (*serverHandler, *backends.SimulatedBackend, func()) {
|
|
var (
|
|
gspec = core.Genesis{
|
|
Config: params.AllEthashProtocolChanges,
|
|
Alloc: core.GenesisAlloc{bankAddr: {Balance: bankFunds}},
|
|
GasLimit: 100000000,
|
|
}
|
|
oracle *checkpointoracle.CheckpointOracle
|
|
)
|
|
genesis := gspec.MustCommit(db)
|
|
|
|
// create a simulation backend and pre-commit several customized block to the database.
|
|
simulation := backends.NewSimulatedBackendWithDatabase(db, gspec.Alloc, 100000000)
|
|
prepare(blocks, simulation)
|
|
|
|
txpoolConfig := core.DefaultTxPoolConfig
|
|
txpoolConfig.Journal = ""
|
|
txpool := core.NewTxPool(txpoolConfig, gspec.Config, simulation.Blockchain())
|
|
if indexers != nil {
|
|
checkpointConfig := ¶ms.CheckpointOracleConfig{
|
|
Address: crypto.CreateAddress(bankAddr, 0),
|
|
Signers: []common.Address{signerAddr},
|
|
Threshold: 1,
|
|
}
|
|
getLocal := func(index uint64) params.TrustedCheckpoint {
|
|
chtIndexer := indexers[0]
|
|
sectionHead := chtIndexer.SectionHead(index)
|
|
return params.TrustedCheckpoint{
|
|
SectionIndex: index,
|
|
SectionHead: sectionHead,
|
|
CHTRoot: light.GetChtRoot(db, index, sectionHead),
|
|
BloomRoot: light.GetBloomTrieRoot(db, index, sectionHead),
|
|
}
|
|
}
|
|
oracle = checkpointoracle.New(checkpointConfig, getLocal)
|
|
}
|
|
server := &LesServer{
|
|
lesCommons: lesCommons{
|
|
genesis: genesis.Hash(),
|
|
config: ðconfig.Config{LightPeers: 100, NetworkId: NetworkId},
|
|
chainConfig: params.AllEthashProtocolChanges,
|
|
iConfig: light.TestServerIndexerConfig,
|
|
chainDb: db,
|
|
chainReader: simulation.Blockchain(),
|
|
oracle: oracle,
|
|
closeCh: make(chan struct{}),
|
|
},
|
|
peers: newClientPeerSet(),
|
|
servingQueue: newServingQueue(int64(time.Millisecond*10), 1),
|
|
defParams: flowcontrol.ServerParams{
|
|
BufLimit: testBufLimit,
|
|
MinRecharge: testBufRecharge,
|
|
},
|
|
fcManager: flowcontrol.NewClientManager(nil, clock),
|
|
}
|
|
server.costTracker, server.minCapacity = newCostTracker(db, server.config)
|
|
server.costTracker.testCostList = testCostList(0) // Disable flow control mechanism.
|
|
server.clientPool = vfs.NewClientPool(db, testBufRecharge, defaultConnectedBias, clock, alwaysTrueFn)
|
|
server.clientPool.Start()
|
|
server.clientPool.SetLimits(10000, 10000) // Assign enough capacity for clientpool
|
|
server.handler = newServerHandler(server, simulation.Blockchain(), db, txpool, func() bool { return true })
|
|
if server.oracle != nil {
|
|
server.oracle.Start(simulation)
|
|
}
|
|
server.servingQueue.setThreads(4)
|
|
server.handler.start()
|
|
closer := func() { server.Stop() }
|
|
return server.handler, simulation, closer
|
|
}
|
|
|
|
func alwaysTrueFn() bool {
|
|
return true
|
|
}
|
|
|
|
// testPeer is a simulated peer to allow testing direct network calls.
|
|
type testPeer struct {
|
|
cpeer *clientPeer
|
|
speer *serverPeer
|
|
|
|
net p2p.MsgReadWriter // Network layer reader/writer to simulate remote messaging
|
|
app *p2p.MsgPipeRW // Application layer reader/writer to simulate the local side
|
|
}
|
|
|
|
// handshakeWithServer executes the handshake with the remote server peer.
|
|
func (p *testPeer) handshakeWithServer(t *testing.T, td *big.Int, head common.Hash, headNum uint64, genesis common.Hash, forkID forkid.ID) {
|
|
// It only works for the simulated client peer
|
|
if p.cpeer == nil {
|
|
t.Fatal("handshake for client peer only")
|
|
}
|
|
var sendList keyValueList
|
|
sendList = sendList.add("protocolVersion", uint64(p.cpeer.version))
|
|
sendList = sendList.add("networkId", uint64(NetworkId))
|
|
sendList = sendList.add("headTd", td)
|
|
sendList = sendList.add("headHash", head)
|
|
sendList = sendList.add("headNum", headNum)
|
|
sendList = sendList.add("genesisHash", genesis)
|
|
if p.cpeer.version >= lpv4 {
|
|
sendList = sendList.add("forkID", &forkID)
|
|
}
|
|
if err := p2p.ExpectMsg(p.app, StatusMsg, nil); err != nil {
|
|
t.Fatalf("status recv: %v", err)
|
|
}
|
|
if err := p2p.Send(p.app, StatusMsg, sendList); err != nil {
|
|
t.Fatalf("status send: %v", err)
|
|
}
|
|
}
|
|
|
|
// handshakeWithClient executes the handshake with the remote client peer.
|
|
func (p *testPeer) handshakeWithClient(t *testing.T, td *big.Int, head common.Hash, headNum uint64, genesis common.Hash, forkID forkid.ID, costList RequestCostList, recentTxLookup uint64) {
|
|
// It only works for the simulated client peer
|
|
if p.speer == nil {
|
|
t.Fatal("handshake for server peer only")
|
|
}
|
|
var sendList keyValueList
|
|
sendList = sendList.add("protocolVersion", uint64(p.speer.version))
|
|
sendList = sendList.add("networkId", uint64(NetworkId))
|
|
sendList = sendList.add("headTd", td)
|
|
sendList = sendList.add("headHash", head)
|
|
sendList = sendList.add("headNum", headNum)
|
|
sendList = sendList.add("genesisHash", genesis)
|
|
sendList = sendList.add("serveHeaders", nil)
|
|
sendList = sendList.add("serveChainSince", uint64(0))
|
|
sendList = sendList.add("serveStateSince", uint64(0))
|
|
sendList = sendList.add("serveRecentState", uint64(core.TriesInMemory-4))
|
|
sendList = sendList.add("txRelay", nil)
|
|
sendList = sendList.add("flowControl/BL", testBufLimit)
|
|
sendList = sendList.add("flowControl/MRR", testBufRecharge)
|
|
sendList = sendList.add("flowControl/MRC", costList)
|
|
if p.speer.version >= lpv4 {
|
|
sendList = sendList.add("forkID", &forkID)
|
|
sendList = sendList.add("recentTxLookup", recentTxLookup)
|
|
}
|
|
if err := p2p.ExpectMsg(p.app, StatusMsg, nil); err != nil {
|
|
t.Fatalf("status recv: %v", err)
|
|
}
|
|
if err := p2p.Send(p.app, StatusMsg, sendList); err != nil {
|
|
t.Fatalf("status send: %v", err)
|
|
}
|
|
}
|
|
|
|
// close terminates the local side of the peer, notifying the remote protocol
|
|
// manager of termination.
|
|
func (p *testPeer) close() {
|
|
p.app.Close()
|
|
}
|
|
|
|
func newTestPeerPair(name string, version int, server *serverHandler, client *clientHandler) (*testPeer, *testPeer, error) {
|
|
// Create a message pipe to communicate through
|
|
app, net := p2p.MsgPipe()
|
|
|
|
// Generate a random id and create the peer
|
|
var id enode.ID
|
|
rand.Read(id[:])
|
|
|
|
peer1 := newClientPeer(version, NetworkId, p2p.NewPeer(id, name, nil), net)
|
|
peer2 := newServerPeer(version, NetworkId, false, p2p.NewPeer(id, name, nil), app)
|
|
|
|
// Start the peer on a new thread
|
|
errc1 := make(chan error, 1)
|
|
errc2 := make(chan error, 1)
|
|
go func() {
|
|
select {
|
|
case <-server.closeCh:
|
|
errc1 <- p2p.DiscQuitting
|
|
case errc1 <- server.handle(peer1):
|
|
}
|
|
}()
|
|
go func() {
|
|
select {
|
|
case <-client.closeCh:
|
|
errc2 <- p2p.DiscQuitting
|
|
case errc2 <- client.handle(peer2):
|
|
}
|
|
}()
|
|
// Ensure the connection is established or exits when any error occurs
|
|
for {
|
|
select {
|
|
case err := <-errc1:
|
|
return nil, nil, fmt.Errorf("Failed to establish protocol connection %v", err)
|
|
case err := <-errc2:
|
|
return nil, nil, fmt.Errorf("Failed to establish protocol connection %v", err)
|
|
default:
|
|
}
|
|
if atomic.LoadUint32(&peer1.serving) == 1 && atomic.LoadUint32(&peer2.serving) == 1 {
|
|
break
|
|
}
|
|
time.Sleep(50 * time.Millisecond)
|
|
}
|
|
return &testPeer{cpeer: peer1, net: net, app: app}, &testPeer{speer: peer2, net: app, app: net}, nil
|
|
}
|
|
|
|
type indexerCallback func(*core.ChainIndexer, *core.ChainIndexer, *core.ChainIndexer)
|
|
|
|
// testClient represents a client object for testing with necessary auxiliary fields.
|
|
type testClient struct {
|
|
clock mclock.Clock
|
|
db ethdb.Database
|
|
peer *testPeer
|
|
handler *clientHandler
|
|
|
|
chtIndexer *core.ChainIndexer
|
|
bloomIndexer *core.ChainIndexer
|
|
bloomTrieIndexer *core.ChainIndexer
|
|
}
|
|
|
|
// newRawPeer creates a new server peer connects to the server and do the handshake.
|
|
func (client *testClient) newRawPeer(t *testing.T, name string, version int, recentTxLookup uint64) (*testPeer, func(), <-chan error) {
|
|
// Create a message pipe to communicate through
|
|
app, net := p2p.MsgPipe()
|
|
|
|
// Generate a random id and create the peer
|
|
var id enode.ID
|
|
rand.Read(id[:])
|
|
peer := newServerPeer(version, NetworkId, false, p2p.NewPeer(id, name, nil), net)
|
|
|
|
// Start the peer on a new thread
|
|
errCh := make(chan error, 1)
|
|
go func() {
|
|
select {
|
|
case <-client.handler.closeCh:
|
|
errCh <- p2p.DiscQuitting
|
|
case errCh <- client.handler.handle(peer):
|
|
}
|
|
}()
|
|
tp := &testPeer{
|
|
app: app,
|
|
net: net,
|
|
speer: peer,
|
|
}
|
|
var (
|
|
genesis = client.handler.backend.blockchain.Genesis()
|
|
head = client.handler.backend.blockchain.CurrentHeader()
|
|
td = client.handler.backend.blockchain.GetTd(head.Hash(), head.Number.Uint64())
|
|
)
|
|
forkID := forkid.NewID(client.handler.backend.blockchain.Config(), genesis.Hash(), head.Number.Uint64())
|
|
tp.handshakeWithClient(t, td, head.Hash(), head.Number.Uint64(), genesis.Hash(), forkID, testCostList(0), recentTxLookup) // disable flow control by default
|
|
|
|
// Ensure the connection is established or exits when any error occurs
|
|
for {
|
|
select {
|
|
case <-errCh:
|
|
return nil, nil, nil
|
|
default:
|
|
}
|
|
if atomic.LoadUint32(&peer.serving) == 1 {
|
|
break
|
|
}
|
|
time.Sleep(50 * time.Millisecond)
|
|
}
|
|
closePeer := func() {
|
|
tp.speer.close()
|
|
tp.close()
|
|
}
|
|
return tp, closePeer, errCh
|
|
}
|
|
|
|
// testServer represents a server object for testing with necessary auxiliary fields.
|
|
type testServer struct {
|
|
clock mclock.Clock
|
|
backend *backends.SimulatedBackend
|
|
db ethdb.Database
|
|
peer *testPeer
|
|
handler *serverHandler
|
|
|
|
chtIndexer *core.ChainIndexer
|
|
bloomIndexer *core.ChainIndexer
|
|
bloomTrieIndexer *core.ChainIndexer
|
|
}
|
|
|
|
// newRawPeer creates a new client peer connects to the server and do the handshake.
|
|
func (server *testServer) newRawPeer(t *testing.T, name string, version int) (*testPeer, func(), <-chan error) {
|
|
// Create a message pipe to communicate through
|
|
app, net := p2p.MsgPipe()
|
|
|
|
// Generate a random id and create the peer
|
|
var id enode.ID
|
|
rand.Read(id[:])
|
|
peer := newClientPeer(version, NetworkId, p2p.NewPeer(id, name, nil), net)
|
|
|
|
// Start the peer on a new thread
|
|
errCh := make(chan error, 1)
|
|
go func() {
|
|
select {
|
|
case <-server.handler.closeCh:
|
|
errCh <- p2p.DiscQuitting
|
|
case errCh <- server.handler.handle(peer):
|
|
}
|
|
}()
|
|
tp := &testPeer{
|
|
app: app,
|
|
net: net,
|
|
cpeer: peer,
|
|
}
|
|
var (
|
|
genesis = server.handler.blockchain.Genesis()
|
|
head = server.handler.blockchain.CurrentHeader()
|
|
td = server.handler.blockchain.GetTd(head.Hash(), head.Number.Uint64())
|
|
)
|
|
forkID := forkid.NewID(server.handler.blockchain.Config(), genesis.Hash(), head.Number.Uint64())
|
|
tp.handshakeWithServer(t, td, head.Hash(), head.Number.Uint64(), genesis.Hash(), forkID)
|
|
|
|
// Ensure the connection is established or exits when any error occurs
|
|
for {
|
|
select {
|
|
case <-errCh:
|
|
return nil, nil, nil
|
|
default:
|
|
}
|
|
if atomic.LoadUint32(&peer.serving) == 1 {
|
|
break
|
|
}
|
|
time.Sleep(50 * time.Millisecond)
|
|
}
|
|
closePeer := func() {
|
|
tp.cpeer.close()
|
|
tp.close()
|
|
}
|
|
return tp, closePeer, errCh
|
|
}
|
|
|
|
// testnetConfig wraps all the configurations for testing network.
|
|
type testnetConfig struct {
|
|
blocks int
|
|
protocol int
|
|
indexFn indexerCallback
|
|
ulcServers []string
|
|
ulcFraction int
|
|
simClock bool
|
|
connect bool
|
|
nopruning bool
|
|
}
|
|
|
|
func newClientServerEnv(t *testing.T, config testnetConfig) (*testServer, *testClient, func()) {
|
|
var (
|
|
sdb = rawdb.NewMemoryDatabase()
|
|
cdb = rawdb.NewMemoryDatabase()
|
|
speers = newServerPeerSet()
|
|
)
|
|
var clock mclock.Clock = &mclock.System{}
|
|
if config.simClock {
|
|
clock = &mclock.Simulated{}
|
|
}
|
|
dist := newRequestDistributor(speers, clock)
|
|
rm := newRetrieveManager(speers, dist, func() time.Duration { return time.Millisecond * 500 })
|
|
odr := NewLesOdr(cdb, light.TestClientIndexerConfig, speers, rm)
|
|
|
|
sindexers := testIndexers(sdb, nil, light.TestServerIndexerConfig, true)
|
|
cIndexers := testIndexers(cdb, odr, light.TestClientIndexerConfig, config.nopruning)
|
|
|
|
scIndexer, sbIndexer, sbtIndexer := sindexers[0], sindexers[1], sindexers[2]
|
|
ccIndexer, cbIndexer, cbtIndexer := cIndexers[0], cIndexers[1], cIndexers[2]
|
|
odr.SetIndexers(ccIndexer, cbIndexer, cbtIndexer)
|
|
|
|
server, b, serverClose := newTestServerHandler(config.blocks, sindexers, sdb, clock)
|
|
client, clientClose := newTestClientHandler(b, odr, cIndexers, cdb, speers, config.ulcServers, config.ulcFraction)
|
|
|
|
scIndexer.Start(server.blockchain)
|
|
sbIndexer.Start(server.blockchain)
|
|
ccIndexer.Start(client.backend.blockchain)
|
|
cbIndexer.Start(client.backend.blockchain)
|
|
|
|
if config.indexFn != nil {
|
|
config.indexFn(scIndexer, sbIndexer, sbtIndexer)
|
|
}
|
|
var (
|
|
err error
|
|
speer, cpeer *testPeer
|
|
)
|
|
if config.connect {
|
|
done := make(chan struct{})
|
|
client.syncEnd = func(_ *types.Header) { close(done) }
|
|
cpeer, speer, err = newTestPeerPair("peer", config.protocol, server, client)
|
|
if err != nil {
|
|
t.Fatalf("Failed to connect testing peers %v", err)
|
|
}
|
|
select {
|
|
case <-done:
|
|
case <-time.After(10 * time.Second):
|
|
t.Fatal("test peer did not connect and sync within 3s")
|
|
}
|
|
}
|
|
s := &testServer{
|
|
clock: clock,
|
|
backend: b,
|
|
db: sdb,
|
|
peer: cpeer,
|
|
handler: server,
|
|
chtIndexer: scIndexer,
|
|
bloomIndexer: sbIndexer,
|
|
bloomTrieIndexer: sbtIndexer,
|
|
}
|
|
c := &testClient{
|
|
clock: clock,
|
|
db: cdb,
|
|
peer: speer,
|
|
handler: client,
|
|
chtIndexer: ccIndexer,
|
|
bloomIndexer: cbIndexer,
|
|
bloomTrieIndexer: cbtIndexer,
|
|
}
|
|
teardown := func() {
|
|
if config.connect {
|
|
speer.close()
|
|
cpeer.close()
|
|
cpeer.cpeer.close()
|
|
speer.speer.close()
|
|
}
|
|
ccIndexer.Close()
|
|
cbIndexer.Close()
|
|
scIndexer.Close()
|
|
sbIndexer.Close()
|
|
dist.close()
|
|
serverClose()
|
|
b.Close()
|
|
clientClose()
|
|
}
|
|
return s, c, teardown
|
|
}
|
|
|
|
// NewFuzzerPeer creates a client peer for test purposes, and also returns
|
|
// a function to close the peer: this is needed to avoid goroutine leaks in the
|
|
// exec queue.
|
|
func NewFuzzerPeer(version int) (p *clientPeer, closer func()) {
|
|
p = newClientPeer(version, 0, p2p.NewPeer(enode.ID{}, "", nil), nil)
|
|
return p, func() { p.peerCommons.close() }
|
|
}
|