Official Go implementation of the Ethereum protocol
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go-ethereum/les/sync_test.go

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2.4 KiB

// 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 (
"fmt"
"testing"
"time"
"github.com/ethereum/go-ethereum/core"
"github.com/ethereum/go-ethereum/core/types"
"github.com/ethereum/go-ethereum/light"
)
// Test light syncing which will download all headers from genesis.
func TestLightSyncingLes3(t *testing.T) { testSyncing(t, lpv3) }
func testSyncing(t *testing.T, protocol int) {
config := light.TestServerIndexerConfig
waitIndexers := func(cIndexer, bIndexer, btIndexer *core.ChainIndexer) {
for {
cs, _, _ := cIndexer.Sections()
bts, _, _ := btIndexer.Sections()
if cs >= 1 && bts >= 1 {
break
}
time.Sleep(10 * time.Millisecond)
}
}
// Generate 128+1 blocks (totally 1 CHT section)
netconfig := testnetConfig{
blocks: int(config.ChtSize + config.ChtConfirms),
protocol: protocol,
indexFn: waitIndexers,
nopruning: true,
}
server, client, tearDown := newClientServerEnv(t, netconfig)
defer tearDown()
expected := config.ChtSize + config.ChtConfirms
done := make(chan error)
client.handler.syncEnd = func(header *types.Header) {
if header.Number.Uint64() == expected {
done <- nil
} else {
done <- fmt.Errorf("blockchain length mismatch, want %d, got %d", expected, header.Number)
}
}
// Create connected peer pair.
peer1, peer2, err := newTestPeerPair("peer", protocol, server.handler, client.handler, false)
if err != nil {
t.Fatalf("Failed to connect testing peers %v", err)
}
defer peer1.close()
defer peer2.close()
select {
case err := <-done:
if err != nil {
t.Error("sync failed", err)
}
return
case <-time.NewTimer(10 * time.Second).C:
t.Error("checkpoint syncing timeout")
}
}