mirror of https://github.com/poanetwork/gecko.git
591 lines
12 KiB
Go
591 lines
12 KiB
Go
// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
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// See the file LICENSE for licensing terms.
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package snowman
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import (
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"bytes"
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"errors"
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"fmt"
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"testing"
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"time"
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"github.com/prometheus/client_golang/prometheus"
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"github.com/ava-labs/gecko/database/memdb"
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"github.com/ava-labs/gecko/ids"
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"github.com/ava-labs/gecko/snow"
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"github.com/ava-labs/gecko/snow/choices"
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"github.com/ava-labs/gecko/snow/consensus/snowman"
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"github.com/ava-labs/gecko/snow/engine/common"
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"github.com/ava-labs/gecko/snow/engine/common/queue"
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"github.com/ava-labs/gecko/snow/networking/handler"
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"github.com/ava-labs/gecko/snow/networking/router"
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"github.com/ava-labs/gecko/snow/networking/timeout"
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"github.com/ava-labs/gecko/snow/validators"
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)
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var (
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errUnknownBlock = errors.New("unknown block")
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)
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func newConfig(t *testing.T) (BootstrapConfig, ids.ShortID, *common.SenderTest, *VMTest) {
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ctx := snow.DefaultContextTest()
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peers := validators.NewSet()
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db := memdb.New()
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sender := &common.SenderTest{}
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vm := &VMTest{}
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engine := &Transitive{}
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handler := &handler.Handler{}
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router := &router.ChainRouter{}
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timeouts := &timeout.Manager{}
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sender.T = t
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vm.T = t
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sender.Default(true)
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vm.Default(true)
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sender.CantGetAcceptedFrontier = false
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peer := validators.GenerateRandomValidator(1)
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peerID := peer.ID()
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peers.Add(peer)
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handler.Initialize(engine, make(chan common.Message), 1)
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timeouts.Initialize(0)
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router.Initialize(ctx.Log, timeouts, time.Hour)
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blocker, _ := queue.New(db)
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commonConfig := common.Config{
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Context: ctx,
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Validators: peers,
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Beacons: peers,
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Alpha: uint64(peers.Len()/2 + 1),
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Sender: sender,
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}
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return BootstrapConfig{
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Config: commonConfig,
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Blocked: blocker,
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VM: vm,
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}, peerID, sender, vm
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}
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func TestBootstrapperSingleFrontier(t *testing.T) {
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config, peerID, sender, vm := newConfig(t)
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blkID0 := ids.Empty.Prefix(0)
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blkID1 := ids.Empty.Prefix(1)
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blkBytes0 := []byte{0}
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blkBytes1 := []byte{1}
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blk0 := &Blk{
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id: blkID0,
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height: 0,
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status: choices.Accepted,
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bytes: blkBytes0,
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}
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blk1 := &Blk{
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parent: blk0,
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id: blkID1,
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height: 1,
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status: choices.Processing,
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bytes: blkBytes1,
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}
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bs := bootstrapper{}
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bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
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bs.Initialize(config)
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acceptedIDs := ids.Set{}
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acceptedIDs.Add(blkID1)
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vm.GetBlockF = func(blkID ids.ID) (snowman.Block, error) {
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switch {
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case blkID.Equals(blkID1):
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return nil, errUnknownBlock
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default:
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t.Fatal(errUnknownBlock)
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panic(errUnknownBlock)
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}
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}
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reqID := new(uint32)
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sender.GetF = func(vdr ids.ShortID, innerReqID uint32, blkID ids.ID) {
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if !vdr.Equals(peerID) {
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t.Fatalf("Should have requested block from %s, requested from %s", peerID, vdr)
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}
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switch {
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case blkID.Equals(blkID1):
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default:
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t.Fatalf("Requested unknown vertex")
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}
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*reqID = innerReqID
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}
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bs.ForceAccepted(acceptedIDs)
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vm.GetBlockF = nil
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sender.GetF = nil
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vm.ParseBlockF = func(blkBytes []byte) (snowman.Block, error) {
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switch {
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case bytes.Equal(blkBytes, blkBytes1):
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return blk1, nil
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}
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t.Fatal(errUnknownBlock)
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return nil, errUnknownBlock
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}
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finished := new(bool)
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bs.onFinished = func() { *finished = true }
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bs.Put(peerID, *reqID, blkID1, blkBytes1)
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vm.ParseBlockF = nil
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bs.onFinished = nil
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if !*finished {
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t.Fatalf("Bootstrapping should have finished")
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}
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if blk1.Status() != choices.Accepted {
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t.Fatalf("Block should be accepted")
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}
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}
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func TestBootstrapperUnknownByzantineResponse(t *testing.T) {
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config, peerID, sender, vm := newConfig(t)
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blkID0 := ids.Empty.Prefix(0)
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blkID1 := ids.Empty.Prefix(1)
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blkID2 := ids.Empty.Prefix(2)
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blkBytes0 := []byte{0}
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blkBytes1 := []byte{1}
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blkBytes2 := []byte{2}
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blk0 := &Blk{
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id: blkID0,
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height: 0,
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status: choices.Accepted,
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bytes: blkBytes0,
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}
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blk1 := &Blk{
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parent: blk0,
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id: blkID1,
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height: 1,
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status: choices.Processing,
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bytes: blkBytes1,
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}
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blk2 := &Blk{
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parent: blk1,
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id: blkID2,
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height: 2,
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status: choices.Processing,
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bytes: blkBytes2,
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}
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bs := bootstrapper{}
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bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
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bs.Initialize(config)
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acceptedIDs := ids.Set{}
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acceptedIDs.Add(blkID1)
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vm.GetBlockF = func(blkID ids.ID) (snowman.Block, error) {
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switch {
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case blkID.Equals(blkID1):
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return nil, errUnknownBlock
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default:
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t.Fatal(errUnknownBlock)
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panic(errUnknownBlock)
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}
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}
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requestID := new(uint32)
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sender.GetF = func(vdr ids.ShortID, reqID uint32, vtxID ids.ID) {
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if !vdr.Equals(peerID) {
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t.Fatalf("Should have requested block from %s, requested from %s", peerID, vdr)
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}
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switch {
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case vtxID.Equals(blkID1):
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default:
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t.Fatalf("Requested unknown block")
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}
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*requestID = reqID
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}
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bs.ForceAccepted(acceptedIDs)
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vm.GetBlockF = nil
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vm.ParseBlockF = func(blkBytes []byte) (snowman.Block, error) {
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switch {
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case bytes.Equal(blkBytes, blkBytes1):
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return blk1, nil
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case bytes.Equal(blkBytes, blkBytes2):
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return blk2, nil
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}
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t.Fatal(errUnknownBlock)
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return nil, errUnknownBlock
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}
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finished := new(bool)
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bs.onFinished = func() { *finished = true }
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bs.Put(peerID, *requestID, blkID2, blkBytes2)
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bs.Put(peerID, *requestID, blkID1, blkBytes1)
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vm.ParseBlockF = nil
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if !*finished {
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t.Fatalf("Bootstrapping should have finished")
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}
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if blk1.Status() != choices.Accepted {
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t.Fatalf("Block should be accepted")
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}
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if blk2.Status() != choices.Processing {
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t.Fatalf("Block should be processing")
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}
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}
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func TestBootstrapperDependency(t *testing.T) {
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config, peerID, sender, vm := newConfig(t)
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blkID0 := ids.Empty.Prefix(0)
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blkID1 := ids.Empty.Prefix(1)
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blkID2 := ids.Empty.Prefix(2)
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blkBytes0 := []byte{0}
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blkBytes1 := []byte{1}
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blkBytes2 := []byte{2}
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blk0 := &Blk{
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id: blkID0,
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height: 0,
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status: choices.Accepted,
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bytes: blkBytes0,
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}
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blk1 := &Blk{
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parent: blk0,
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id: blkID1,
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height: 1,
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status: choices.Unknown,
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bytes: blkBytes1,
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}
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blk2 := &Blk{
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parent: blk1,
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id: blkID2,
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height: 2,
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status: choices.Processing,
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bytes: blkBytes2,
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}
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bs := bootstrapper{}
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bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
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bs.Initialize(config)
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acceptedIDs := ids.Set{}
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acceptedIDs.Add(blkID2)
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vm.GetBlockF = func(blkID ids.ID) (snowman.Block, error) {
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switch {
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case blkID.Equals(blkID2):
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return blk2, nil
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default:
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t.Fatalf("Requested unknown block")
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panic("Requested unknown block")
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}
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}
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requestID := new(uint32)
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sender.GetF = func(vdr ids.ShortID, reqID uint32, vtxID ids.ID) {
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if !vdr.Equals(peerID) {
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t.Fatalf("Should have requested block from %s, requested from %s", peerID, vdr)
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}
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switch {
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case vtxID.Equals(blkID1):
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default:
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t.Fatalf("Requested unknown block")
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}
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*requestID = reqID
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}
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bs.ForceAccepted(acceptedIDs)
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vm.GetBlockF = nil
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sender.GetF = nil
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vm.ParseBlockF = func(blkBytes []byte) (snowman.Block, error) {
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switch {
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case bytes.Equal(blkBytes, blkBytes1):
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return blk1, nil
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case bytes.Equal(blkBytes, blkBytes2):
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return blk2, nil
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}
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t.Fatal(errUnknownBlock)
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return nil, errUnknownBlock
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}
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blk1.status = choices.Processing
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finished := new(bool)
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bs.onFinished = func() { *finished = true }
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bs.Put(peerID, *requestID, blkID1, blkBytes1)
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if !*finished {
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t.Fatalf("Bootstrapping should have finished")
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}
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if blk1.Status() != choices.Accepted {
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t.Fatalf("Block should be accepted")
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}
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if blk2.Status() != choices.Accepted {
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t.Fatalf("Block should be accepted")
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}
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}
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func TestBootstrapperAcceptedFrontier(t *testing.T) {
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config, _, _, vm := newConfig(t)
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blkID := GenerateID()
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bs := bootstrapper{}
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bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
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bs.Initialize(config)
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vm.LastAcceptedF = func() ids.ID { return blkID }
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accepted := bs.CurrentAcceptedFrontier()
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if accepted.Len() != 1 {
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t.Fatalf("Only one block should be accepted")
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}
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if !accepted.Contains(blkID) {
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t.Fatalf("Blk should be accepted")
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}
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}
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func TestBootstrapperFilterAccepted(t *testing.T) {
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config, _, _, vm := newConfig(t)
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blkID0 := GenerateID()
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blkID1 := GenerateID()
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blkID2 := GenerateID()
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blk0 := &Blk{
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id: blkID0,
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status: choices.Accepted,
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}
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blk1 := &Blk{
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id: blkID1,
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status: choices.Accepted,
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}
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bs := bootstrapper{}
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bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
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bs.Initialize(config)
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blkIDs := ids.Set{}
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blkIDs.Add(
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blkID0,
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blkID1,
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blkID2,
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)
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vm.GetBlockF = func(blkID ids.ID) (snowman.Block, error) {
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switch {
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case blkID.Equals(blkID0):
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return blk0, nil
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case blkID.Equals(blkID1):
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return blk1, nil
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case blkID.Equals(blkID2):
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return nil, errUnknownBlock
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}
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t.Fatal(errUnknownBlock)
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return nil, errUnknownBlock
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}
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accepted := bs.FilterAccepted(blkIDs)
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if accepted.Len() != 2 {
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t.Fatalf("Two blocks should be accepted")
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}
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if !accepted.Contains(blkID0) {
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t.Fatalf("Blk should be accepted")
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}
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if !accepted.Contains(blkID1) {
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t.Fatalf("Blk should be accepted")
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}
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if accepted.Contains(blkID2) {
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t.Fatalf("Blk shouldn't be accepted")
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}
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}
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func TestBootstrapperPartialFetch(t *testing.T) {
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config, _, sender, vm := newConfig(t)
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blkID0 := ids.Empty.Prefix(0)
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blkID1 := ids.Empty.Prefix(1)
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blkBytes0 := []byte{0}
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blk0 := &Blk{
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id: blkID0,
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height: 0,
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status: choices.Accepted,
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bytes: blkBytes0,
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}
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bs := bootstrapper{}
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bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
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bs.Initialize(config)
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acceptedIDs := ids.Set{}
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acceptedIDs.Add(
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blkID0,
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blkID1,
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)
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vm.GetBlockF = func(blkID ids.ID) (snowman.Block, error) {
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switch {
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case blkID.Equals(blkID0):
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return blk0, nil
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case blkID.Equals(blkID1):
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return nil, errUnknownBlock
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default:
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t.Fatal(errUnknownBlock)
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panic(errUnknownBlock)
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}
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}
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sender.CantGet = false
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bs.onFinished = func() {}
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bs.ForceAccepted(acceptedIDs)
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if bs.finished {
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t.Fatalf("should have requested a block")
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}
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if bs.pending.Len() != 1 {
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t.Fatalf("wrong number pending")
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}
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}
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func TestBootstrapperWrongIDByzantineResponse(t *testing.T) {
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config, peerID, sender, vm := newConfig(t)
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blkID0 := ids.Empty.Prefix(0)
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blkID1 := ids.Empty.Prefix(1)
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blkID2 := ids.Empty.Prefix(2)
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blkBytes0 := []byte{0}
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blkBytes1 := []byte{1}
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blkBytes2 := []byte{2}
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blk0 := &Blk{
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id: blkID0,
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height: 0,
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status: choices.Accepted,
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bytes: blkBytes0,
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}
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blk1 := &Blk{
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parent: blk0,
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id: blkID1,
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height: 1,
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status: choices.Processing,
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bytes: blkBytes1,
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}
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blk2 := &Blk{
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parent: blk1,
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id: blkID2,
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height: 2,
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status: choices.Processing,
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bytes: blkBytes2,
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}
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bs := bootstrapper{}
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bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
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bs.Initialize(config)
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acceptedIDs := ids.Set{}
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acceptedIDs.Add(blkID1)
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vm.GetBlockF = func(blkID ids.ID) (snowman.Block, error) {
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switch {
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case blkID.Equals(blkID1):
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return nil, errUnknownBlock
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default:
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t.Fatal(errUnknownBlock)
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panic(errUnknownBlock)
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}
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}
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requestID := new(uint32)
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sender.GetF = func(vdr ids.ShortID, reqID uint32, vtxID ids.ID) {
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if !vdr.Equals(peerID) {
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t.Fatalf("Should have requested block from %s, requested from %s", peerID, vdr)
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}
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switch {
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case vtxID.Equals(blkID1):
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default:
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t.Fatalf("Requested unknown block")
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}
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*requestID = reqID
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}
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bs.ForceAccepted(acceptedIDs)
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vm.GetBlockF = nil
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sender.GetF = nil
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vm.ParseBlockF = func(blkBytes []byte) (snowman.Block, error) {
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switch {
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case bytes.Equal(blkBytes, blkBytes2):
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return blk2, nil
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}
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t.Fatal(errUnknownBlock)
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return nil, errUnknownBlock
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}
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sender.CantGet = false
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bs.Put(peerID, *requestID, blkID1, blkBytes2)
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sender.CantGet = true
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|
|
vm.ParseBlockF = func(blkBytes []byte) (snowman.Block, error) {
|
|
switch {
|
|
case bytes.Equal(blkBytes, blkBytes1):
|
|
return blk1, nil
|
|
}
|
|
t.Fatal(errUnknownBlock)
|
|
return nil, errUnknownBlock
|
|
}
|
|
|
|
finished := new(bool)
|
|
bs.onFinished = func() { *finished = true }
|
|
|
|
bs.Put(peerID, *requestID, blkID1, blkBytes1)
|
|
|
|
vm.ParseBlockF = nil
|
|
|
|
if !*finished {
|
|
t.Fatalf("Bootstrapping should have finished")
|
|
}
|
|
if blk1.Status() != choices.Accepted {
|
|
t.Fatalf("Block should be accepted")
|
|
}
|
|
if blk2.Status() != choices.Processing {
|
|
t.Fatalf("Block should be processing")
|
|
}
|
|
}
|