120 lines
3.8 KiB
Go
120 lines
3.8 KiB
Go
// Copyright 2024 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 discover
|
|
|
|
import (
|
|
"net"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/ethereum/go-ethereum/common/mclock"
|
|
"github.com/ethereum/go-ethereum/p2p/enode"
|
|
"github.com/ethereum/go-ethereum/p2p/enr"
|
|
)
|
|
|
|
// This test checks that revalidation can handle a node disappearing while
|
|
// a request is active.
|
|
func TestRevalidation_nodeRemoved(t *testing.T) {
|
|
var (
|
|
clock mclock.Simulated
|
|
transport = newPingRecorder()
|
|
tab, db = newInactiveTestTable(transport, Config{Clock: &clock})
|
|
tr = &tab.revalidation
|
|
)
|
|
defer db.Close()
|
|
|
|
// Add a node to the table.
|
|
node := nodeAtDistance(tab.self().ID(), 255, net.IP{77, 88, 99, 1})
|
|
tab.handleAddNode(addNodeOp{node: node})
|
|
|
|
// Start a revalidation request. Schedule once to get the next start time,
|
|
// then advance the clock to that point and schedule again to start.
|
|
next := tr.run(tab, clock.Now())
|
|
clock.Run(time.Duration(next + 1))
|
|
tr.run(tab, clock.Now())
|
|
if len(tr.activeReq) != 1 {
|
|
t.Fatal("revalidation request did not start:", tr.activeReq)
|
|
}
|
|
|
|
// Delete the node.
|
|
tab.deleteInBucket(tab.bucket(node.ID()), node.ID())
|
|
|
|
// Now finish the revalidation request.
|
|
var resp revalidationResponse
|
|
select {
|
|
case resp = <-tab.revalResponseCh:
|
|
case <-time.After(1 * time.Second):
|
|
t.Fatal("timed out waiting for revalidation")
|
|
}
|
|
tr.handleResponse(tab, resp)
|
|
|
|
// Ensure the node was not re-added to the table.
|
|
if tab.getNode(node.ID()) != nil {
|
|
t.Fatal("node was re-added to Table")
|
|
}
|
|
if tr.fast.contains(node.ID()) || tr.slow.contains(node.ID()) {
|
|
t.Fatal("removed node contained in revalidation list")
|
|
}
|
|
}
|
|
|
|
// This test checks that nodes with an updated endpoint remain in the fast revalidation list.
|
|
func TestRevalidation_endpointUpdate(t *testing.T) {
|
|
var (
|
|
clock mclock.Simulated
|
|
transport = newPingRecorder()
|
|
tab, db = newInactiveTestTable(transport, Config{Clock: &clock})
|
|
tr = &tab.revalidation
|
|
)
|
|
defer db.Close()
|
|
|
|
// Add node to table.
|
|
node := nodeAtDistance(tab.self().ID(), 255, net.IP{77, 88, 99, 1})
|
|
tab.handleAddNode(addNodeOp{node: node})
|
|
|
|
// Update the record in transport, including endpoint update.
|
|
record := node.Record()
|
|
record.Set(enr.IP{100, 100, 100, 100})
|
|
record.Set(enr.UDP(9999))
|
|
nodev2 := enode.SignNull(record, node.ID())
|
|
transport.updateRecord(nodev2)
|
|
|
|
// Start a revalidation request. Schedule once to get the next start time,
|
|
// then advance the clock to that point and schedule again to start.
|
|
next := tr.run(tab, clock.Now())
|
|
clock.Run(time.Duration(next + 1))
|
|
tr.run(tab, clock.Now())
|
|
if len(tr.activeReq) != 1 {
|
|
t.Fatal("revalidation request did not start:", tr.activeReq)
|
|
}
|
|
|
|
// Now finish the revalidation request.
|
|
var resp revalidationResponse
|
|
select {
|
|
case resp = <-tab.revalResponseCh:
|
|
case <-time.After(1 * time.Second):
|
|
t.Fatal("timed out waiting for revalidation")
|
|
}
|
|
tr.handleResponse(tab, resp)
|
|
|
|
if tr.fast.nodes[0].ID() != node.ID() {
|
|
t.Fatal("node not contained in fast revalidation list")
|
|
}
|
|
if tr.fast.nodes[0].isValidatedLive {
|
|
t.Fatal("node is marked live after endpoint change")
|
|
}
|
|
}
|