gecko/snow/engine/avalanche/bootstrapper_test.go

918 lines
22 KiB
Go

// (c) 2019-2020, Ava Labs, Inc. All rights reserved.
// See the file LICENSE for licensing terms.
package avalanche
import (
"bytes"
"errors"
"fmt"
"testing"
"time"
"github.com/prometheus/client_golang/prometheus"
"github.com/ava-labs/gecko/database/memdb"
"github.com/ava-labs/gecko/database/prefixdb"
"github.com/ava-labs/gecko/ids"
"github.com/ava-labs/gecko/snow"
"github.com/ava-labs/gecko/snow/choices"
"github.com/ava-labs/gecko/snow/consensus/avalanche"
"github.com/ava-labs/gecko/snow/consensus/snowstorm"
"github.com/ava-labs/gecko/snow/engine/common"
"github.com/ava-labs/gecko/snow/engine/common/queue"
"github.com/ava-labs/gecko/snow/networking/router"
"github.com/ava-labs/gecko/snow/networking/timeout"
"github.com/ava-labs/gecko/snow/validators"
)
var (
errUnknownVertex = errors.New("unknown vertex")
errParsedUnknownVertex = errors.New("parsed unknown vertex")
)
func newConfig(t *testing.T) (BootstrapConfig, ids.ShortID, *common.SenderTest, *stateTest, *VMTest) {
ctx := snow.DefaultContextTest()
peers := validators.NewSet()
db := memdb.New()
sender := &common.SenderTest{}
state := &stateTest{}
vm := &VMTest{}
engine := &Transitive{}
handler := &router.Handler{}
router := &router.ChainRouter{}
timeouts := &timeout.Manager{}
sender.T = t
state.t = t
vm.T = t
sender.Default(true)
state.Default(true)
vm.Default(true)
sender.CantGetAcceptedFrontier = false
peer := validators.GenerateRandomValidator(1)
peerID := peer.ID()
peers.Add(peer)
handler.Initialize(
engine,
make(chan common.Message),
1,
"",
prometheus.NewRegistry(),
)
timeouts.Initialize(0)
router.Initialize(ctx.Log, timeouts, time.Hour, time.Second)
vtxBlocker, _ := queue.New(prefixdb.New([]byte("vtx"), db))
txBlocker, _ := queue.New(prefixdb.New([]byte("tx"), db))
commonConfig := common.Config{
Context: ctx,
Validators: peers,
Beacons: peers,
Alpha: uint64(peers.Len()/2 + 1),
Sender: sender,
}
return BootstrapConfig{
Config: commonConfig,
VtxBlocked: vtxBlocker,
TxBlocked: txBlocker,
State: state,
VM: vm,
}, peerID, sender, state, vm
}
// Three vertices in the accepted frontier. None have parents. No need to fetch anything
func TestBootstrapperSingleFrontier(t *testing.T) {
config, _, _, state, vm := newConfig(t)
vtxID0 := ids.Empty.Prefix(0)
vtxID1 := ids.Empty.Prefix(1)
vtxID2 := ids.Empty.Prefix(2)
vtxBytes0 := []byte{0}
vtxBytes1 := []byte{1}
vtxBytes2 := []byte{2}
vtx0 := &Vtx{
id: vtxID0,
height: 0,
status: choices.Processing,
bytes: vtxBytes0,
}
vtx1 := &Vtx{
id: vtxID1,
height: 0,
status: choices.Processing,
bytes: vtxBytes1,
}
vtx2 := &Vtx{
id: vtxID2,
height: 0,
status: choices.Processing,
bytes: vtxBytes2,
}
bs := bootstrapper{}
bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
bs.Initialize(config)
finished := new(bool)
bs.onFinished = func() error { *finished = true; return nil }
acceptedIDs := ids.Set{}
acceptedIDs.Add(vtxID0, vtxID1, vtxID2)
state.getVertex = func(vtxID ids.ID) (avalanche.Vertex, error) {
switch {
case vtxID.Equals(vtxID0):
return vtx0, nil
case vtxID.Equals(vtxID1):
return vtx1, nil
case vtxID.Equals(vtxID2):
return vtx2, nil
default:
t.Fatal(errUnknownVertex)
panic(errUnknownVertex)
}
}
state.parseVertex = func(vtxBytes []byte) (avalanche.Vertex, error) {
switch {
case bytes.Equal(vtxBytes, vtxBytes0):
return vtx0, nil
case bytes.Equal(vtxBytes, vtxBytes1):
return vtx1, nil
case bytes.Equal(vtxBytes, vtxBytes2):
return vtx2, nil
}
t.Fatal(errParsedUnknownVertex)
return nil, errParsedUnknownVertex
}
vm.CantBootstrapping = false
vm.CantBootstrapped = false
bs.ForceAccepted(acceptedIDs)
if !*finished {
t.Fatalf("Bootstrapping should have finished")
}
if vtx0.Status() != choices.Accepted {
t.Fatalf("Vertex should be accepted")
}
if vtx1.Status() != choices.Accepted {
t.Fatalf("Vertex should be accepted")
}
if vtx2.Status() != choices.Accepted {
t.Fatalf("Vertex should be accepted")
}
}
// Accepted frontier has one vertex, which has one vertex as a dependency.
// Requests the unknown vertex and gets back an unexpected request ID.
// Requests again and gets response from unexpected peer.
// Requests again and gets an unexpected vertex.
// Requests again and gets the expected vertex.
func TestBootstrapperByzantineResponses(t *testing.T) {
config, peerID, sender, state, vm := newConfig(t)
vtxID0 := ids.Empty.Prefix(0)
vtxID1 := ids.Empty.Prefix(1)
vtxID2 := ids.Empty.Prefix(2)
vtxBytes0 := []byte{0}
vtxBytes1 := []byte{1}
vtxBytes2 := []byte{2}
vtx0 := &Vtx{
id: vtxID0,
height: 0,
status: choices.Unknown,
bytes: vtxBytes0,
}
vtx1 := &Vtx{
id: vtxID1,
height: 0,
parents: []avalanche.Vertex{vtx0},
status: choices.Processing,
bytes: vtxBytes1,
}
vtx2 := &Vtx{
id: vtxID2,
height: 0,
status: choices.Unknown,
bytes: vtxBytes2,
}
bs := bootstrapper{}
bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
if err := bs.Initialize(config); err != nil {
t.Fatal(err)
}
finished := new(bool)
bs.onFinished = func() error { *finished = true; return nil }
acceptedIDs := ids.Set{}
acceptedIDs.Add(vtxID1)
state.getVertex = func(vtxID ids.ID) (avalanche.Vertex, error) {
switch {
case vtxID.Equals(vtxID1):
return vtx1, nil
case vtxID.Equals(vtxID0):
return nil, errUnknownVertex
default:
t.Fatal(errUnknownVertex)
panic(errUnknownVertex)
}
}
requestID := new(uint32)
reqVtxID := ids.Empty
sender.GetAncestorsF = func(vdr ids.ShortID, reqID uint32, vtxID ids.ID) {
if !vdr.Equals(peerID) {
t.Fatalf("Should have requested vertex from %s, requested from %s", peerID, vdr)
}
if !vtxID.Equals(vtxID0) {
t.Fatalf("should have requested vtx0")
}
*requestID = reqID
reqVtxID = vtxID
}
state.parseVertex = func(vtxBytes []byte) (avalanche.Vertex, error) {
switch {
case bytes.Equal(vtxBytes, vtxBytes0):
vtx0.status = choices.Processing
return vtx0, nil
case bytes.Equal(vtxBytes, vtxBytes1):
vtx1.status = choices.Processing
return vtx1, nil
case bytes.Equal(vtxBytes, vtxBytes2):
vtx2.status = choices.Processing
return vtx2, nil
}
t.Fatal(errParsedUnknownVertex)
return nil, errParsedUnknownVertex
}
vm.CantBootstrapping = false
if err := bs.ForceAccepted(acceptedIDs); err != nil { // should request vtx0
t.Fatal(err)
}
if !reqVtxID.Equals(vtxID0) {
t.Fatalf("should have requested vtxID0 but requested %s", reqVtxID)
}
if err := bs.MultiPut(peerID, *requestID+1, [][]byte{vtxBytes0}); err != nil { // send response with wrong request ID
t.Fatal(err)
}
if !reqVtxID.Equals(vtxID0) {
t.Fatalf("should have requested vtxID0 but requested %s", reqVtxID)
}
oldReqID := *requestID
if err := bs.MultiPut(ids.NewShortID([20]byte{1, 2, 3}), *requestID, [][]byte{vtxBytes0}); err != nil { // send response from wrong peer
t.Fatal(err)
}
if *requestID != oldReqID {
t.Fatal("should not have issued new request")
} else if !reqVtxID.Equals(vtxID0) {
t.Fatalf("should have requested vtxID0 but requested %s", reqVtxID)
}
oldReqID = *requestID
if err := bs.MultiPut(peerID, *requestID, [][]byte{vtxBytes2}); err != nil { // send unexpected vertex
t.Fatal(err)
}
if *requestID == oldReqID {
t.Fatal("should have issued new request")
} else if !reqVtxID.Equals(vtxID0) {
t.Fatalf("should have requested vtxID0 but requested %s", reqVtxID)
}
oldReqID = *requestID
state.getVertex = func(vtxID ids.ID) (avalanche.Vertex, error) {
switch {
case vtxID.Equals(vtxID1):
return vtx1, nil
case vtxID.Equals(vtxID0):
return vtx0, nil
default:
t.Fatal(errUnknownVertex)
panic(errUnknownVertex)
}
}
vm.CantBootstrapped = false
if err := bs.MultiPut(peerID, *requestID, [][]byte{vtxBytes0}); err != nil { // send expected vertex
t.Fatal(err)
}
if *requestID != oldReqID {
t.Fatal("should not have issued new request")
}
if !*finished {
t.Fatalf("Bootstrapping should have finished")
}
if vtx0.Status() != choices.Accepted {
t.Fatalf("Vertex should be accepted")
}
if vtx1.Status() != choices.Accepted {
t.Fatalf("Vertex should be accepted")
}
}
// Vertex has a dependency and tx has a dependency
func TestBootstrapperTxDependencies(t *testing.T) {
config, peerID, sender, state, vm := newConfig(t)
utxos := []ids.ID{GenerateID(), GenerateID()}
txID0 := GenerateID()
txID1 := GenerateID()
txBytes0 := []byte{0}
txBytes1 := []byte{1}
tx0 := &TestTx{
TestTx: snowstorm.TestTx{
Identifier: txID0,
Stat: choices.Processing,
},
bytes: txBytes0,
}
tx0.Ins.Add(utxos[0])
tx1 := &TestTx{ // Depends on tx0
TestTx: snowstorm.TestTx{
Identifier: txID1,
Deps: []snowstorm.Tx{tx0},
Stat: choices.Processing,
},
bytes: txBytes1,
}
tx1.Ins.Add(utxos[1])
vtxID0 := GenerateID()
vtxID1 := GenerateID()
vtxBytes0 := []byte{2}
vtxBytes1 := []byte{3}
vm.ParseTxF = func(b []byte) (snowstorm.Tx, error) {
if bytes.Compare(b, txBytes0) == 0 {
return tx0, nil
} else if bytes.Compare(b, txBytes1) == 0 {
return tx1, nil
}
return nil, errors.New("wrong tx")
}
vtx0 := &Vtx{
id: vtxID0,
txs: []snowstorm.Tx{tx1},
height: 0,
status: choices.Unknown,
bytes: vtxBytes0,
}
vtx1 := &Vtx{ // Depends on vtx0
parents: []avalanche.Vertex{vtx0},
id: vtxID1,
txs: []snowstorm.Tx{tx0},
height: 1,
status: choices.Processing,
bytes: vtxBytes1,
}
bs := bootstrapper{}
bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
bs.Initialize(config)
finished := new(bool)
bs.onFinished = func() error { *finished = true; return nil }
acceptedIDs := ids.Set{}
acceptedIDs.Add(vtxID1)
state.parseVertex = func(vtxBytes []byte) (avalanche.Vertex, error) {
switch {
case bytes.Equal(vtxBytes, vtxBytes1):
return vtx1, nil
case bytes.Equal(vtxBytes, vtxBytes0):
return vtx0, nil
}
t.Fatal(errParsedUnknownVertex)
return nil, errParsedUnknownVertex
}
state.getVertex = func(vtxID ids.ID) (avalanche.Vertex, error) {
switch {
case vtxID.Equals(vtxID1):
return vtx1, nil
case vtxID.Equals(vtxID0):
return nil, errUnknownVertex
default:
t.Fatal(errUnknownVertex)
panic(errUnknownVertex)
}
}
reqIDPtr := new(uint32)
sender.GetAncestorsF = func(vdr ids.ShortID, reqID uint32, vtxID ids.ID) {
if !vdr.Equals(peerID) {
t.Fatalf("Should have requested vertex from %s, requested from %s", peerID, vdr)
}
switch {
case vtxID.Equals(vtxID0):
default:
t.Fatal(errUnknownVertex)
}
*reqIDPtr = reqID
}
vm.CantBootstrapping = false
if err := bs.ForceAccepted(acceptedIDs); err != nil { // should request vtx0
t.Fatal(err)
}
state.parseVertex = func(vtxBytes []byte) (avalanche.Vertex, error) {
switch {
case bytes.Equal(vtxBytes, vtxBytes1):
return vtx1, nil
case bytes.Equal(vtxBytes, vtxBytes0):
vtx0.status = choices.Processing
return vtx0, nil
}
t.Fatal(errParsedUnknownVertex)
return nil, errParsedUnknownVertex
}
vm.CantBootstrapped = false
if err := bs.MultiPut(peerID, *reqIDPtr, [][]byte{vtxBytes0}); err != nil {
t.Fatal(err)
}
if !*finished {
t.Fatalf("Should have finished bootstrapping")
}
if tx0.Status() != choices.Accepted {
t.Fatalf("Tx should be accepted")
}
if tx1.Status() != choices.Accepted {
t.Fatalf("Tx should be accepted")
}
if vtx0.Status() != choices.Accepted {
t.Fatalf("Vertex should be accepted")
}
if vtx1.Status() != choices.Accepted {
t.Fatalf("Vertex should be accepted")
}
}
// Unfulfilled tx dependency
func TestBootstrapperMissingTxDependency(t *testing.T) {
config, peerID, sender, state, vm := newConfig(t)
utxos := []ids.ID{GenerateID(), GenerateID()}
txID0 := GenerateID()
txID1 := GenerateID()
txBytes1 := []byte{1}
tx0 := &TestTx{
TestTx: snowstorm.TestTx{
Identifier: txID0,
Stat: choices.Unknown,
},
}
tx1 := &TestTx{ // depends on tx0
TestTx: snowstorm.TestTx{
Identifier: txID1,
Deps: []snowstorm.Tx{tx0},
Stat: choices.Processing,
},
bytes: txBytes1,
}
tx1.Ins.Add(utxos[1])
vtxID0 := GenerateID()
vtxID1 := GenerateID()
vtxBytes0 := []byte{2}
vtxBytes1 := []byte{3}
vtx0 := &Vtx{
id: vtxID0,
height: 0,
status: choices.Unknown,
bytes: vtxBytes0,
}
vtx1 := &Vtx{ // depends on vtx0
parents: []avalanche.Vertex{vtx0},
id: vtxID1,
txs: []snowstorm.Tx{tx1},
height: 1,
status: choices.Processing,
bytes: vtxBytes1,
}
bs := bootstrapper{}
bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
bs.Initialize(config)
finished := new(bool)
bs.onFinished = func() error { *finished = true; return nil }
acceptedIDs := ids.Set{}
acceptedIDs.Add(vtxID1)
state.getVertex = func(vtxID ids.ID) (avalanche.Vertex, error) {
switch {
case vtxID.Equals(vtxID1):
return vtx1, nil
case vtxID.Equals(vtxID0):
return nil, errUnknownVertex
default:
t.Fatal(errUnknownVertex)
panic(errUnknownVertex)
}
}
state.parseVertex = func(vtxBytes []byte) (avalanche.Vertex, error) {
switch {
case bytes.Equal(vtxBytes, vtxBytes1):
return vtx1, nil
case bytes.Equal(vtxBytes, vtxBytes0):
vtx0.status = choices.Processing
return vtx0, nil
}
t.Fatal(errParsedUnknownVertex)
return nil, errParsedUnknownVertex
}
reqIDPtr := new(uint32)
sender.GetAncestorsF = func(vdr ids.ShortID, reqID uint32, vtxID ids.ID) {
if !vdr.Equals(peerID) {
t.Fatalf("Should have requested vertex from %s, requested from %s", peerID, vdr)
}
switch {
case vtxID.Equals(vtxID0):
default:
t.Fatalf("Requested wrong vertex")
}
*reqIDPtr = reqID
}
vm.CantBootstrapping = false
if err := bs.ForceAccepted(acceptedIDs); err != nil { // should request vtx1
t.Fatal(err)
}
vm.CantBootstrapped = false
if err := bs.MultiPut(peerID, *reqIDPtr, [][]byte{vtxBytes0}); err != nil {
t.Fatal(err)
}
if !*finished {
t.Fatalf("Bootstrapping should have finished")
}
if tx0.Status() != choices.Unknown { // never saw this tx
t.Fatalf("Tx should be unknown")
}
if tx1.Status() != choices.Processing { // can't accept because we don't have tx0
t.Fatalf("Tx should be processing")
}
if vtx0.Status() != choices.Accepted {
t.Fatalf("Vertex should be accepted")
}
if vtx1.Status() != choices.Processing { // can't accept because we don't have tx1 accepted
t.Fatalf("Vertex should be processing")
}
}
func TestBootstrapperAcceptedFrontier(t *testing.T) {
config, _, _, state, _ := newConfig(t)
vtxID0 := GenerateID()
vtxID1 := GenerateID()
vtxID2 := GenerateID()
bs := bootstrapper{}
bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
bs.Initialize(config)
state.edge = func() []ids.ID {
return []ids.ID{
vtxID0,
vtxID1,
}
}
accepted := bs.CurrentAcceptedFrontier()
state.edge = nil
if !accepted.Contains(vtxID0) {
t.Fatalf("Vtx should be accepted")
}
if !accepted.Contains(vtxID1) {
t.Fatalf("Vtx should be accepted")
}
if accepted.Contains(vtxID2) {
t.Fatalf("Vtx shouldn't be accepted")
}
}
func TestBootstrapperFilterAccepted(t *testing.T) {
config, _, _, state, _ := newConfig(t)
vtxID0 := GenerateID()
vtxID1 := GenerateID()
vtxID2 := GenerateID()
vtx0 := &Vtx{
id: vtxID0,
status: choices.Accepted,
}
vtx1 := &Vtx{
id: vtxID1,
status: choices.Accepted,
}
bs := bootstrapper{}
bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
bs.Initialize(config)
vtxIDs := ids.Set{}
vtxIDs.Add(
vtxID0,
vtxID1,
vtxID2,
)
state.getVertex = func(vtxID ids.ID) (avalanche.Vertex, error) {
switch {
case vtxID.Equals(vtxID0):
return vtx0, nil
case vtxID.Equals(vtxID1):
return vtx1, nil
case vtxID.Equals(vtxID2):
return nil, errUnknownVertex
}
t.Fatal(errUnknownVertex)
return nil, errUnknownVertex
}
accepted := bs.FilterAccepted(vtxIDs)
state.getVertex = nil
if !accepted.Contains(vtxID0) {
t.Fatalf("Vtx should be accepted")
}
if !accepted.Contains(vtxID1) {
t.Fatalf("Vtx should be accepted")
}
if accepted.Contains(vtxID2) {
t.Fatalf("Vtx shouldn't be accepted")
}
}
// MultiPut only contains 1 of the two needed vertices; have to issue another GetAncestors
func TestBootstrapperIncompleteMultiPut(t *testing.T) {
config, peerID, sender, state, vm := newConfig(t)
vtxID0 := ids.Empty.Prefix(0)
vtxID1 := ids.Empty.Prefix(1)
vtxID2 := ids.Empty.Prefix(2)
vtxBytes0 := []byte{0}
vtxBytes1 := []byte{1}
vtxBytes2 := []byte{2}
vtx0 := &Vtx{
id: vtxID0,
height: 0,
status: choices.Unknown,
bytes: vtxBytes0,
}
vtx1 := &Vtx{
id: vtxID1,
height: 0,
parents: []avalanche.Vertex{vtx0},
status: choices.Unknown,
bytes: vtxBytes1,
}
vtx2 := &Vtx{
id: vtxID2,
height: 0,
parents: []avalanche.Vertex{vtx1},
status: choices.Processing,
bytes: vtxBytes2,
}
bs := bootstrapper{}
bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
bs.Initialize(config)
finished := new(bool)
bs.onFinished = func() error { *finished = true; return nil }
acceptedIDs := ids.Set{}
acceptedIDs.Add(vtxID2)
state.getVertex = func(vtxID ids.ID) (avalanche.Vertex, error) {
switch {
case vtxID.Equals(vtxID0):
return nil, errUnknownVertex
case vtxID.Equals(vtxID1):
return nil, errUnknownVertex
case vtxID.Equals(vtxID2):
return vtx2, nil
default:
t.Fatal(errUnknownVertex)
panic(errUnknownVertex)
}
}
state.parseVertex = func(vtxBytes []byte) (avalanche.Vertex, error) {
switch {
case bytes.Equal(vtxBytes, vtxBytes0):
vtx0.status = choices.Processing
return vtx0, nil
case bytes.Equal(vtxBytes, vtxBytes1):
vtx1.status = choices.Processing
return vtx1, nil
case bytes.Equal(vtxBytes, vtxBytes2):
return vtx2, nil
}
t.Fatal(errParsedUnknownVertex)
return nil, errParsedUnknownVertex
}
reqIDPtr := new(uint32)
requested := ids.Empty
sender.GetAncestorsF = func(vdr ids.ShortID, reqID uint32, vtxID ids.ID) {
if !vdr.Equals(peerID) {
t.Fatalf("Should have requested vertex from %s, requested from %s", peerID, vdr)
}
switch {
case vtxID.Equals(vtxID1), vtxID.Equals(vtxID0):
default:
t.Fatal(errUnknownVertex)
}
*reqIDPtr = reqID
requested = vtxID
}
vm.CantBootstrapping = false
if err := bs.ForceAccepted(acceptedIDs); err != nil { // should request vtx1
t.Fatal(err)
} else if !requested.Equals(vtxID1) {
t.Fatal("requested wrong vtx")
}
if err := bs.MultiPut(peerID, *reqIDPtr, [][]byte{vtxBytes1}); err != nil { // Provide vtx1; should request vtx0
t.Fatal(err)
} else if bs.finished {
t.Fatalf("should not have finished")
} else if !requested.Equals(vtxID0) {
t.Fatal("should hae requested vtx0")
}
vm.CantBootstrapped = false
if err := bs.MultiPut(peerID, *reqIDPtr, [][]byte{vtxBytes0}); err != nil { // Provide vtx0; can finish now
t.Fatal(err)
} else if !bs.finished {
t.Fatal("should have finished")
} else if vtx0.Status() != choices.Accepted {
t.Fatal("should be accepted")
} else if vtx1.Status() != choices.Accepted {
t.Fatal("should be accepted")
} else if vtx2.Status() != choices.Accepted {
t.Fatal("should be accepted")
}
}
func TestBootstrapperFinalized(t *testing.T) {
config, peerID, sender, state, vm := newConfig(t)
vtxID0 := ids.Empty.Prefix(0)
vtxID1 := ids.Empty.Prefix(1)
vtxBytes0 := []byte{0}
vtxBytes1 := []byte{1}
vtx0 := &Vtx{
id: vtxID0,
height: 0,
status: choices.Unknown,
bytes: vtxBytes0,
}
vtx1 := &Vtx{
id: vtxID1,
height: 1,
parents: []avalanche.Vertex{vtx0},
status: choices.Unknown,
bytes: vtxBytes1,
}
bs := bootstrapper{}
bs.metrics.Initialize(config.Context.Log, fmt.Sprintf("gecko_%s", config.Context.ChainID), prometheus.NewRegistry())
bs.Initialize(config)
finished := new(bool)
bs.onFinished = func() error { *finished = true; return nil }
acceptedIDs := ids.Set{}
acceptedIDs.Add(vtxID0)
acceptedIDs.Add(vtxID1)
parsedVtx0 := false
parsedVtx1 := false
state.getVertex = func(vtxID ids.ID) (avalanche.Vertex, error) {
switch {
case vtxID.Equals(vtxID0):
if parsedVtx0 {
return vtx0, nil
}
return nil, errUnknownVertex
case vtxID.Equals(vtxID1):
if parsedVtx1 {
return vtx1, nil
}
return nil, errUnknownVertex
default:
t.Fatal(errUnknownVertex)
panic(errUnknownVertex)
}
}
state.parseVertex = func(vtxBytes []byte) (avalanche.Vertex, error) {
switch {
case bytes.Equal(vtxBytes, vtxBytes0):
vtx0.status = choices.Processing
parsedVtx0 = true
return vtx0, nil
case bytes.Equal(vtxBytes, vtxBytes1):
vtx1.status = choices.Processing
parsedVtx1 = true
return vtx1, nil
}
t.Fatal(errUnknownVertex)
return nil, errUnknownVertex
}
requestIDs := map[[32]byte]uint32{}
sender.GetAncestorsF = func(vdr ids.ShortID, reqID uint32, vtxID ids.ID) {
if !vdr.Equals(peerID) {
t.Fatalf("Should have requested block from %s, requested from %s", peerID, vdr)
}
requestIDs[vtxID.Key()] = reqID
}
vm.CantBootstrapping = false
if err := bs.ForceAccepted(acceptedIDs); err != nil { // should request vtx0 and vtx1
t.Fatal(err)
}
reqID, ok := requestIDs[vtxID1.Key()]
if !ok {
t.Fatalf("should have requested vtx1")
}
vm.CantBootstrapped = false
if err := bs.MultiPut(peerID, reqID, [][]byte{vtxBytes1, vtxBytes0}); err != nil {
t.Fatal(err)
}
reqID, ok = requestIDs[vtxID0.Key()]
if !ok {
t.Fatalf("should have requested vtx0")
}
if err := bs.GetAncestorsFailed(peerID, reqID); err != nil {
t.Fatal(err)
}
if !*finished {
t.Fatalf("Bootstrapping should have finished")
} else if vtx0.Status() != choices.Accepted {
t.Fatalf("Vertex should be accepted")
} else if vtx1.Status() != choices.Accepted {
t.Fatalf("Vertex should be accepted")
}
}