forked from cerc-io/plugeth
220 lines
6.3 KiB
Go
220 lines
6.3 KiB
Go
// Copyright 2019 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 les
|
|
|
|
import (
|
|
"crypto/ecdsa"
|
|
"fmt"
|
|
"math/big"
|
|
"net"
|
|
"reflect"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/common/mclock"
|
|
"github.com/ethereum/go-ethereum/core/rawdb"
|
|
"github.com/ethereum/go-ethereum/crypto"
|
|
"github.com/ethereum/go-ethereum/light"
|
|
"github.com/ethereum/go-ethereum/p2p"
|
|
"github.com/ethereum/go-ethereum/p2p/enode"
|
|
)
|
|
|
|
func TestULCSyncWithOnePeer(t *testing.T) {
|
|
f := newFullPeerPair(t, 1, 4)
|
|
l := newLightPeer(t, []string{f.Node.String()}, 100)
|
|
|
|
if reflect.DeepEqual(f.PM.blockchain.CurrentHeader().Hash(), l.PM.blockchain.CurrentHeader().Hash()) {
|
|
t.Fatal("blocks are equal")
|
|
}
|
|
_, _, err := connectPeers(f, l, 2)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
l.PM.fetcher.lock.Lock()
|
|
l.PM.fetcher.nextRequest()
|
|
l.PM.fetcher.lock.Unlock()
|
|
|
|
if !reflect.DeepEqual(f.PM.blockchain.CurrentHeader().Hash(), l.PM.blockchain.CurrentHeader().Hash()) {
|
|
t.Fatal("sync doesn't work")
|
|
}
|
|
}
|
|
|
|
func TestULCReceiveAnnounce(t *testing.T) {
|
|
f := newFullPeerPair(t, 1, 4)
|
|
l := newLightPeer(t, []string{f.Node.String()}, 100)
|
|
fPeer, lPeer, err := connectPeers(f, l, 2)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
l.PM.synchronise(fPeer)
|
|
|
|
//check that the sync is finished correctly
|
|
if !reflect.DeepEqual(f.PM.blockchain.CurrentHeader().Hash(), l.PM.blockchain.CurrentHeader().Hash()) {
|
|
t.Fatal("sync doesn't work")
|
|
}
|
|
l.PM.peers.lock.Lock()
|
|
if len(l.PM.peers.peers) == 0 {
|
|
t.Fatal("peer list should not be empty")
|
|
}
|
|
l.PM.peers.lock.Unlock()
|
|
|
|
time.Sleep(time.Second)
|
|
//send a signed announce message(payload doesn't matter)
|
|
td := f.PM.blockchain.GetTd(l.PM.blockchain.CurrentHeader().Hash(), l.PM.blockchain.CurrentHeader().Number.Uint64())
|
|
announce := announceData{
|
|
Number: l.PM.blockchain.CurrentHeader().Number.Uint64() + 1,
|
|
Td: td.Add(td, big.NewInt(1)),
|
|
}
|
|
announce.sign(f.Key)
|
|
lPeer.SendAnnounce(announce)
|
|
}
|
|
|
|
func TestULCShouldNotSyncWithTwoPeersOneHaveEmptyChain(t *testing.T) {
|
|
f1 := newFullPeerPair(t, 1, 4)
|
|
f2 := newFullPeerPair(t, 2, 0)
|
|
l := newLightPeer(t, []string{f1.Node.String(), f2.Node.String()}, 100)
|
|
_, _, err := connectPeers(f1, l, 2)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
_, _, err = connectPeers(f2, l, 2)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
l.PM.fetcher.lock.Lock()
|
|
l.PM.fetcher.nextRequest()
|
|
l.PM.fetcher.lock.Unlock()
|
|
|
|
if reflect.DeepEqual(f2.PM.blockchain.CurrentHeader().Hash(), l.PM.blockchain.CurrentHeader().Hash()) {
|
|
t.Fatal("Incorrect hash: second peer has empty chain")
|
|
}
|
|
}
|
|
|
|
func TestULCShouldNotSyncWithThreePeersOneHaveEmptyChain(t *testing.T) {
|
|
f1 := newFullPeerPair(t, 1, 3)
|
|
f2 := newFullPeerPair(t, 2, 4)
|
|
f3 := newFullPeerPair(t, 3, 0)
|
|
|
|
l := newLightPeer(t, []string{f1.Node.String(), f2.Node.String(), f3.Node.String()}, 60)
|
|
_, _, err := connectPeers(f1, l, 2)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
_, _, err = connectPeers(f2, l, 2)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
_, _, err = connectPeers(f3, l, 2)
|
|
if err != nil {
|
|
t.Fatal(err)
|
|
}
|
|
l.PM.fetcher.lock.Lock()
|
|
l.PM.fetcher.nextRequest()
|
|
l.PM.fetcher.lock.Unlock()
|
|
|
|
if !reflect.DeepEqual(f1.PM.blockchain.CurrentHeader().Hash(), l.PM.blockchain.CurrentHeader().Hash()) {
|
|
t.Fatal("Incorrect hash")
|
|
}
|
|
}
|
|
|
|
type pairPeer struct {
|
|
Name string
|
|
Node *enode.Node
|
|
PM *ProtocolManager
|
|
Key *ecdsa.PrivateKey
|
|
}
|
|
|
|
func connectPeers(full, light pairPeer, version int) (*peer, *peer, error) {
|
|
// Create a message pipe to communicate through
|
|
app, net := p2p.MsgPipe()
|
|
|
|
peerLight := full.PM.newPeer(version, NetworkId, p2p.NewPeer(light.Node.ID(), light.Name, nil), net)
|
|
peerFull := light.PM.newPeer(version, NetworkId, p2p.NewPeer(full.Node.ID(), full.Name, nil), app)
|
|
|
|
// Start the peerLight on a new thread
|
|
errc1 := make(chan error, 1)
|
|
errc2 := make(chan error, 1)
|
|
go func() {
|
|
select {
|
|
case light.PM.newPeerCh <- peerFull:
|
|
errc1 <- light.PM.handle(peerFull)
|
|
case <-light.PM.quitSync:
|
|
errc1 <- p2p.DiscQuitting
|
|
}
|
|
}()
|
|
go func() {
|
|
select {
|
|
case full.PM.newPeerCh <- peerLight:
|
|
errc2 <- full.PM.handle(peerLight)
|
|
case <-full.PM.quitSync:
|
|
errc2 <- p2p.DiscQuitting
|
|
}
|
|
}()
|
|
|
|
select {
|
|
case <-time.After(time.Millisecond * 100):
|
|
case err := <-errc1:
|
|
return nil, nil, fmt.Errorf("peerLight handshake error: %v", err)
|
|
case err := <-errc2:
|
|
return nil, nil, fmt.Errorf("peerFull handshake error: %v", err)
|
|
}
|
|
|
|
return peerFull, peerLight, nil
|
|
}
|
|
|
|
// newFullPeerPair creates node with full sync mode
|
|
func newFullPeerPair(t *testing.T, index int, numberOfblocks int) pairPeer {
|
|
db := rawdb.NewMemoryDatabase()
|
|
|
|
pmFull, _ := newTestProtocolManagerMust(t, false, numberOfblocks, nil, nil, nil, db, nil, 0)
|
|
|
|
peerPairFull := pairPeer{
|
|
Name: "full node",
|
|
PM: pmFull,
|
|
}
|
|
key, err := crypto.GenerateKey()
|
|
if err != nil {
|
|
t.Fatal("generate key err:", err)
|
|
}
|
|
peerPairFull.Key = key
|
|
peerPairFull.Node = enode.NewV4(&key.PublicKey, net.ParseIP("127.0.0.1"), 35000, 35000)
|
|
return peerPairFull
|
|
}
|
|
|
|
// newLightPeer creates node with light sync mode
|
|
func newLightPeer(t *testing.T, ulcServers []string, ulcFraction int) pairPeer {
|
|
peers := newPeerSet()
|
|
dist := newRequestDistributor(peers, make(chan struct{}), &mclock.System{})
|
|
rm := newRetrieveManager(peers, dist, nil)
|
|
ldb := rawdb.NewMemoryDatabase()
|
|
|
|
odr := NewLesOdr(ldb, light.DefaultClientIndexerConfig, rm)
|
|
|
|
pmLight, _ := newTestProtocolManagerMust(t, true, 0, odr, nil, peers, ldb, ulcServers, ulcFraction)
|
|
peerPairLight := pairPeer{
|
|
Name: "ulc node",
|
|
PM: pmLight,
|
|
}
|
|
key, err := crypto.GenerateKey()
|
|
if err != nil {
|
|
t.Fatal("generate key err:", err)
|
|
}
|
|
peerPairLight.Key = key
|
|
peerPairLight.Node = enode.NewV4(&key.PublicKey, net.IP{}, 35000, 35000)
|
|
return peerPairLight
|
|
}
|