198 lines
7.2 KiB
Go
198 lines
7.2 KiB
Go
// Copyright 2015 The go-ethereum Authors
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// This file is part of the go-ethereum library.
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//
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// The go-ethereum library is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Lesser General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// The go-ethereum library is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Lesser General Public License for more details.
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//
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// You should have received a copy of the GNU Lesser General Public License
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// along with the go-ethereum library. If not, see <http://www.gnu.org/licenses/>.
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package eth
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import (
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"testing"
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"time"
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"github.com/ethereum/go-ethereum/core"
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"github.com/ethereum/go-ethereum/params"
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"github.com/stretchr/testify/require"
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"github.com/ethereum/go-ethereum/eth/downloader"
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"github.com/ethereum/go-ethereum/eth/protocols/eth"
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"github.com/ethereum/go-ethereum/eth/protocols/snap"
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"github.com/ethereum/go-ethereum/p2p"
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"github.com/ethereum/go-ethereum/p2p/enode"
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)
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// Tests that snap sync is disabled after a successful sync cycle.
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func TestSnapSyncDisabling68(t *testing.T) { testSnapSyncDisabling(t, eth.ETH68, snap.SNAP1) }
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// Tests that snap sync gets disabled as soon as a real block is successfully
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// imported into the blockchain.
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func testSnapSyncDisabling(t *testing.T, ethVer uint, snapVer uint) {
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t.Parallel()
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// Create an empty handler and ensure it's in snap sync mode
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empty := newTestHandler()
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if !empty.handler.snapSync.Load() {
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t.Fatalf("snap sync disabled on pristine blockchain")
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}
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defer empty.close()
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// Create a full handler and ensure snap sync ends up disabled
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full := newTestHandlerWithBlocks(1024)
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if full.handler.snapSync.Load() {
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t.Fatalf("snap sync not disabled on non-empty blockchain")
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}
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defer full.close()
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// Sync up the two handlers via both `eth` and `snap`
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caps := []p2p.Cap{{Name: "eth", Version: ethVer}, {Name: "snap", Version: snapVer}}
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emptyPipeEth, fullPipeEth := p2p.MsgPipe()
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defer emptyPipeEth.Close()
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defer fullPipeEth.Close()
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emptyPeerEth := eth.NewPeer(ethVer, p2p.NewPeer(enode.ID{1}, "", caps), emptyPipeEth, empty.txpool)
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fullPeerEth := eth.NewPeer(ethVer, p2p.NewPeer(enode.ID{2}, "", caps), fullPipeEth, full.txpool)
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defer emptyPeerEth.Close()
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defer fullPeerEth.Close()
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go empty.handler.runEthPeer(emptyPeerEth, func(peer *eth.Peer) error {
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return eth.Handle((*ethHandler)(empty.handler), peer)
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})
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go full.handler.runEthPeer(fullPeerEth, func(peer *eth.Peer) error {
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return eth.Handle((*ethHandler)(full.handler), peer)
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})
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emptyPipeSnap, fullPipeSnap := p2p.MsgPipe()
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defer emptyPipeSnap.Close()
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defer fullPipeSnap.Close()
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emptyPeerSnap := snap.NewPeer(snapVer, p2p.NewPeer(enode.ID{1}, "", caps), emptyPipeSnap)
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fullPeerSnap := snap.NewPeer(snapVer, p2p.NewPeer(enode.ID{2}, "", caps), fullPipeSnap)
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go empty.handler.runSnapExtension(emptyPeerSnap, func(peer *snap.Peer) error {
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return snap.Handle((*snapHandler)(empty.handler), peer)
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})
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go full.handler.runSnapExtension(fullPeerSnap, func(peer *snap.Peer) error {
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return snap.Handle((*snapHandler)(full.handler), peer)
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})
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// Wait a bit for the above handlers to start
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time.Sleep(250 * time.Millisecond)
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// Check that snap sync was disabled
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op := peerToSyncOp(downloader.SnapSync, empty.handler.peers.peerWithHighestTD())
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if err := empty.handler.doSync(op); err != nil {
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t.Fatal("sync failed:", err)
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}
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if empty.handler.snapSync.Load() {
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t.Fatalf("snap sync not disabled after successful synchronisation")
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}
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}
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func TestFullSyncWithBlobs(t *testing.T) {
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testChainSyncWithBlobs(t, downloader.FullSync, 128, 128)
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}
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func TestSnapSyncWithBlobs(t *testing.T) {
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testChainSyncWithBlobs(t, downloader.SnapSync, 128, 128)
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}
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func testChainSyncWithBlobs(t *testing.T, mode downloader.SyncMode, preCancunBlks, postCancunBlks uint64) {
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t.Parallel()
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config := *params.ParliaTestChainConfig
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cancunTime := (preCancunBlks + 1) * 10
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config.CancunTime = &cancunTime
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// Create an empty handler
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empty := newTestParliaHandlerAfterCancun(t, &config, mode, 0, 0)
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defer empty.close()
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if downloader.SnapSync == mode && !empty.handler.snapSync.Load() {
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t.Fatalf("snap sync disabled on pristine blockchain")
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}
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// Create a full handler
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full := newTestParliaHandlerAfterCancun(t, &config, mode, preCancunBlks, postCancunBlks)
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defer full.close()
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if downloader.SnapSync == mode && full.handler.snapSync.Load() {
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t.Fatalf("snap sync not disabled on non-empty blockchain")
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}
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// check blocks and blobs
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checkChainWithBlobs(t, full.chain, preCancunBlks, postCancunBlks)
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// Sync up the two handlers via both `eth` and `snap`
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ethVer := uint(eth.ETH68)
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snapVer := uint(snap.SNAP1)
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// Sync up the two handlers via both `eth` and `snap`
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caps := []p2p.Cap{{Name: "eth", Version: ethVer}, {Name: "snap", Version: snapVer}}
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emptyPipeEth, fullPipeEth := p2p.MsgPipe()
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defer emptyPipeEth.Close()
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defer fullPipeEth.Close()
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emptyPeerEth := eth.NewPeer(ethVer, p2p.NewPeer(enode.ID{1}, "", caps), emptyPipeEth, empty.txpool)
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fullPeerEth := eth.NewPeer(ethVer, p2p.NewPeer(enode.ID{2}, "", caps), fullPipeEth, full.txpool)
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defer emptyPeerEth.Close()
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defer fullPeerEth.Close()
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go empty.handler.runEthPeer(emptyPeerEth, func(peer *eth.Peer) error {
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return eth.Handle((*ethHandler)(empty.handler), peer)
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})
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go full.handler.runEthPeer(fullPeerEth, func(peer *eth.Peer) error {
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return eth.Handle((*ethHandler)(full.handler), peer)
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})
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emptyPipeSnap, fullPipeSnap := p2p.MsgPipe()
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defer emptyPipeSnap.Close()
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defer fullPipeSnap.Close()
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emptyPeerSnap := snap.NewPeer(snapVer, p2p.NewPeer(enode.ID{1}, "", caps), emptyPipeSnap)
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fullPeerSnap := snap.NewPeer(snapVer, p2p.NewPeer(enode.ID{2}, "", caps), fullPipeSnap)
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go empty.handler.runSnapExtension(emptyPeerSnap, func(peer *snap.Peer) error {
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return snap.Handle((*snapHandler)(empty.handler), peer)
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})
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go full.handler.runSnapExtension(fullPeerSnap, func(peer *snap.Peer) error {
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return snap.Handle((*snapHandler)(full.handler), peer)
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})
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for empty.handler.peers.snapLen() < 1 {
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// Wait a bit for the above handlers to start
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time.Sleep(100 * time.Millisecond)
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}
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op := peerToSyncOp(mode, empty.handler.peers.peerWithHighestTD())
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if err := empty.handler.doSync(op); err != nil {
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t.Fatal("sync failed:", err)
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}
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// Check that snap sync was disabled
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if !empty.handler.synced.Load() {
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t.Fatalf("full sync not done after successful synchronisation")
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}
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// check blocks and blobs
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checkChainWithBlobs(t, empty.chain, preCancunBlks, postCancunBlks)
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}
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func checkChainWithBlobs(t *testing.T, chain *core.BlockChain, preCancunBlks, postCancunBlks uint64) {
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block := chain.GetBlockByNumber(preCancunBlks)
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require.NotNil(t, block, preCancunBlks)
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require.Nil(t, chain.GetSidecarsByHash(block.Hash()), preCancunBlks)
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block = chain.GetBlockByNumber(preCancunBlks + 1)
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require.NotNil(t, block, preCancunBlks+1)
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require.NotNil(t, chain.GetSidecarsByHash(block.Hash()), preCancunBlks+1)
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block = chain.GetBlockByNumber(preCancunBlks + postCancunBlks)
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require.NotNil(t, block, preCancunBlks+postCancunBlks)
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require.NotNil(t, chain.GetSidecarsByHash(block.Hash()), preCancunBlks+postCancunBlks)
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}
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