You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
639 lines
24 KiB
639 lines
24 KiB
package statesync
|
|
|
|
import (
|
|
"errors"
|
|
"sync"
|
|
"testing"
|
|
"time"
|
|
|
|
"github.com/stretchr/testify/assert"
|
|
"github.com/stretchr/testify/mock"
|
|
"github.com/stretchr/testify/require"
|
|
|
|
abci "github.com/tendermint/tendermint/abci/types"
|
|
"github.com/tendermint/tendermint/libs/log"
|
|
"github.com/tendermint/tendermint/p2p"
|
|
p2pmocks "github.com/tendermint/tendermint/p2p/mocks"
|
|
"github.com/tendermint/tendermint/proxy"
|
|
proxymocks "github.com/tendermint/tendermint/proxy/mocks"
|
|
sm "github.com/tendermint/tendermint/state"
|
|
"github.com/tendermint/tendermint/statesync/mocks"
|
|
"github.com/tendermint/tendermint/types"
|
|
"github.com/tendermint/tendermint/version"
|
|
)
|
|
|
|
// Sets up a basic syncer that can be used to test OfferSnapshot requests
|
|
func setupOfferSyncer(t *testing.T) (*syncer, *proxymocks.AppConnSnapshot) {
|
|
connQuery := &proxymocks.AppConnQuery{}
|
|
connSnapshot := &proxymocks.AppConnSnapshot{}
|
|
stateProvider := &mocks.StateProvider{}
|
|
stateProvider.On("AppHash", mock.Anything).Return([]byte("app_hash"), nil)
|
|
syncer := newSyncer(log.NewNopLogger(), connSnapshot, connQuery, stateProvider, "")
|
|
return syncer, connSnapshot
|
|
}
|
|
|
|
// Sets up a simple peer mock with an ID
|
|
func simplePeer(id string) *p2pmocks.Peer {
|
|
peer := &p2pmocks.Peer{}
|
|
peer.On("ID").Return(p2p.ID(id))
|
|
return peer
|
|
}
|
|
|
|
func TestSyncer_SyncAny(t *testing.T) {
|
|
state := sm.State{
|
|
ChainID: "chain",
|
|
Version: sm.Version{
|
|
Consensus: version.Consensus{
|
|
Block: version.BlockProtocol,
|
|
App: 0,
|
|
},
|
|
|
|
Software: version.TMCoreSemVer,
|
|
},
|
|
|
|
LastBlockHeight: 1,
|
|
LastBlockID: types.BlockID{Hash: []byte("blockhash")},
|
|
LastBlockTime: time.Now(),
|
|
LastResultsHash: []byte("last_results_hash"),
|
|
AppHash: []byte("app_hash"),
|
|
|
|
LastValidators: &types.ValidatorSet{Proposer: &types.Validator{Address: []byte("val1")}},
|
|
Validators: &types.ValidatorSet{Proposer: &types.Validator{Address: []byte("val2")}},
|
|
NextValidators: &types.ValidatorSet{Proposer: &types.Validator{Address: []byte("val3")}},
|
|
|
|
ConsensusParams: *types.DefaultConsensusParams(),
|
|
LastHeightConsensusParamsChanged: 1,
|
|
}
|
|
commit := &types.Commit{BlockID: types.BlockID{Hash: []byte("blockhash")}}
|
|
|
|
chunks := []*chunk{
|
|
{Height: 1, Format: 1, Index: 0, Chunk: []byte{1, 1, 0}},
|
|
{Height: 1, Format: 1, Index: 1, Chunk: []byte{1, 1, 1}},
|
|
{Height: 1, Format: 1, Index: 2, Chunk: []byte{1, 1, 2}},
|
|
}
|
|
s := &snapshot{Height: 1, Format: 1, Chunks: 3, Hash: []byte{1, 2, 3}}
|
|
|
|
stateProvider := &mocks.StateProvider{}
|
|
stateProvider.On("AppHash", uint64(1)).Return(state.AppHash, nil)
|
|
stateProvider.On("AppHash", uint64(2)).Return([]byte("app_hash_2"), nil)
|
|
stateProvider.On("Commit", uint64(1)).Return(commit, nil)
|
|
stateProvider.On("State", uint64(1)).Return(state, nil)
|
|
connSnapshot := &proxymocks.AppConnSnapshot{}
|
|
connQuery := &proxymocks.AppConnQuery{}
|
|
|
|
syncer := newSyncer(log.NewNopLogger(), connSnapshot, connQuery, stateProvider, "")
|
|
|
|
// Adding a chunk should error when no sync is in progress
|
|
_, err := syncer.AddChunk(&chunk{Height: 1, Format: 1, Index: 0, Chunk: []byte{1}})
|
|
require.Error(t, err)
|
|
|
|
// Adding a couple of peers should trigger snapshot discovery messages
|
|
peerA := &p2pmocks.Peer{}
|
|
peerA.On("ID").Return(p2p.ID("a"))
|
|
peerA.On("Send", SnapshotChannel, cdc.MustMarshalBinaryBare(&snapshotsRequestMessage{})).Return(true)
|
|
syncer.AddPeer(peerA)
|
|
peerA.AssertExpectations(t)
|
|
|
|
peerB := &p2pmocks.Peer{}
|
|
peerB.On("ID").Return(p2p.ID("b"))
|
|
peerB.On("Send", SnapshotChannel, cdc.MustMarshalBinaryBare(&snapshotsRequestMessage{})).Return(true)
|
|
syncer.AddPeer(peerB)
|
|
peerB.AssertExpectations(t)
|
|
|
|
// Both peers report back with snapshots. One of them also returns a snapshot we don't want, in
|
|
// format 2, which will be rejected by the ABCI application.
|
|
new, err := syncer.AddSnapshot(peerA, s)
|
|
require.NoError(t, err)
|
|
assert.True(t, new)
|
|
|
|
new, err = syncer.AddSnapshot(peerB, s)
|
|
require.NoError(t, err)
|
|
assert.False(t, new)
|
|
|
|
new, err = syncer.AddSnapshot(peerB, &snapshot{Height: 2, Format: 2, Chunks: 3, Hash: []byte{1}})
|
|
require.NoError(t, err)
|
|
assert.True(t, new)
|
|
|
|
// We start a sync, with peers sending back chunks when requested. We first reject the snapshot
|
|
// with height 2 format 2, and accept the snapshot at height 1.
|
|
connSnapshot.On("OfferSnapshotSync", abci.RequestOfferSnapshot{
|
|
Snapshot: &abci.Snapshot{
|
|
Height: 2,
|
|
Format: 2,
|
|
Chunks: 3,
|
|
Hash: []byte{1},
|
|
},
|
|
AppHash: []byte("app_hash_2"),
|
|
}).Return(&abci.ResponseOfferSnapshot{Result: abci.ResponseOfferSnapshot_reject_format}, nil)
|
|
connSnapshot.On("OfferSnapshotSync", abci.RequestOfferSnapshot{
|
|
Snapshot: &abci.Snapshot{
|
|
Height: s.Height,
|
|
Format: s.Format,
|
|
Chunks: s.Chunks,
|
|
Hash: s.Hash,
|
|
Metadata: s.Metadata,
|
|
},
|
|
AppHash: []byte("app_hash"),
|
|
}).Times(2).Return(&abci.ResponseOfferSnapshot{Result: abci.ResponseOfferSnapshot_accept}, nil)
|
|
|
|
chunkRequests := make(map[uint32]int)
|
|
chunkRequestsMtx := sync.Mutex{}
|
|
onChunkRequest := func(args mock.Arguments) {
|
|
msg := &chunkRequestMessage{}
|
|
err := cdc.UnmarshalBinaryBare(args[1].([]byte), &msg)
|
|
require.NoError(t, err)
|
|
require.EqualValues(t, 1, msg.Height)
|
|
require.EqualValues(t, 1, msg.Format)
|
|
require.LessOrEqual(t, msg.Index, uint32(len(chunks)))
|
|
|
|
added, err := syncer.AddChunk(chunks[msg.Index])
|
|
require.NoError(t, err)
|
|
assert.True(t, added)
|
|
|
|
chunkRequestsMtx.Lock()
|
|
chunkRequests[msg.Index]++
|
|
chunkRequestsMtx.Unlock()
|
|
}
|
|
peerA.On("Send", ChunkChannel, mock.Anything).Maybe().Run(onChunkRequest).Return(true)
|
|
peerB.On("Send", ChunkChannel, mock.Anything).Maybe().Run(onChunkRequest).Return(true)
|
|
|
|
// The first time we're applying chunk 2 we tell it to retry the snapshot and discard chunk 1,
|
|
// which should cause it to keep the existing chunk 0 and 2, and restart restoration from
|
|
// beginning. We also wait for a little while, to exercise the retry logic in fetchChunks().
|
|
connSnapshot.On("ApplySnapshotChunkSync", abci.RequestApplySnapshotChunk{
|
|
Index: 2, Chunk: []byte{1, 1, 2},
|
|
}).Once().Run(func(args mock.Arguments) { time.Sleep(2 * time.Second) }).Return(
|
|
&abci.ResponseApplySnapshotChunk{
|
|
Result: abci.ResponseApplySnapshotChunk_retry_snapshot,
|
|
RefetchChunks: []uint32{1},
|
|
}, nil)
|
|
|
|
connSnapshot.On("ApplySnapshotChunkSync", abci.RequestApplySnapshotChunk{
|
|
Index: 0, Chunk: []byte{1, 1, 0},
|
|
}).Times(2).Return(&abci.ResponseApplySnapshotChunk{Result: abci.ResponseApplySnapshotChunk_accept}, nil)
|
|
connSnapshot.On("ApplySnapshotChunkSync", abci.RequestApplySnapshotChunk{
|
|
Index: 1, Chunk: []byte{1, 1, 1},
|
|
}).Times(2).Return(&abci.ResponseApplySnapshotChunk{Result: abci.ResponseApplySnapshotChunk_accept}, nil)
|
|
connSnapshot.On("ApplySnapshotChunkSync", abci.RequestApplySnapshotChunk{
|
|
Index: 2, Chunk: []byte{1, 1, 2},
|
|
}).Once().Return(&abci.ResponseApplySnapshotChunk{Result: abci.ResponseApplySnapshotChunk_accept}, nil)
|
|
connQuery.On("InfoSync", proxy.RequestInfo).Return(&abci.ResponseInfo{
|
|
AppVersion: 9,
|
|
LastBlockHeight: 1,
|
|
LastBlockAppHash: []byte("app_hash"),
|
|
}, nil)
|
|
|
|
newState, lastCommit, err := syncer.SyncAny(0)
|
|
require.NoError(t, err)
|
|
|
|
chunkRequestsMtx.Lock()
|
|
assert.Equal(t, map[uint32]int{0: 1, 1: 2, 2: 1}, chunkRequests)
|
|
chunkRequestsMtx.Unlock()
|
|
|
|
// The syncer should have updated the state app version from the ABCI info response.
|
|
expectState := state
|
|
expectState.Version.Consensus.App = 9
|
|
|
|
assert.Equal(t, expectState, newState)
|
|
assert.Equal(t, commit, lastCommit)
|
|
|
|
connSnapshot.AssertExpectations(t)
|
|
connQuery.AssertExpectations(t)
|
|
peerA.AssertExpectations(t)
|
|
peerB.AssertExpectations(t)
|
|
}
|
|
|
|
func TestSyncer_SyncAny_noSnapshots(t *testing.T) {
|
|
syncer, _ := setupOfferSyncer(t)
|
|
_, _, err := syncer.SyncAny(0)
|
|
assert.Equal(t, errNoSnapshots, err)
|
|
}
|
|
|
|
func TestSyncer_SyncAny_abort(t *testing.T) {
|
|
syncer, connSnapshot := setupOfferSyncer(t)
|
|
|
|
s := &snapshot{Height: 1, Format: 1, Chunks: 3, Hash: []byte{1, 2, 3}}
|
|
syncer.AddSnapshot(simplePeer("id"), s)
|
|
connSnapshot.On("OfferSnapshotSync", abci.RequestOfferSnapshot{
|
|
Snapshot: toABCI(s), AppHash: []byte("app_hash"),
|
|
}).Once().Return(&abci.ResponseOfferSnapshot{Result: abci.ResponseOfferSnapshot_abort}, nil)
|
|
|
|
_, _, err := syncer.SyncAny(0)
|
|
assert.Equal(t, errAbort, err)
|
|
connSnapshot.AssertExpectations(t)
|
|
}
|
|
|
|
func TestSyncer_SyncAny_reject(t *testing.T) {
|
|
syncer, connSnapshot := setupOfferSyncer(t)
|
|
|
|
// s22 is tried first, then s12, then s11, then errNoSnapshots
|
|
s22 := &snapshot{Height: 2, Format: 2, Chunks: 3, Hash: []byte{1, 2, 3}}
|
|
s12 := &snapshot{Height: 1, Format: 2, Chunks: 3, Hash: []byte{1, 2, 3}}
|
|
s11 := &snapshot{Height: 1, Format: 1, Chunks: 3, Hash: []byte{1, 2, 3}}
|
|
syncer.AddSnapshot(simplePeer("id"), s22)
|
|
syncer.AddSnapshot(simplePeer("id"), s12)
|
|
syncer.AddSnapshot(simplePeer("id"), s11)
|
|
|
|
connSnapshot.On("OfferSnapshotSync", abci.RequestOfferSnapshot{
|
|
Snapshot: toABCI(s22), AppHash: []byte("app_hash"),
|
|
}).Once().Return(&abci.ResponseOfferSnapshot{Result: abci.ResponseOfferSnapshot_reject}, nil)
|
|
|
|
connSnapshot.On("OfferSnapshotSync", abci.RequestOfferSnapshot{
|
|
Snapshot: toABCI(s12), AppHash: []byte("app_hash"),
|
|
}).Once().Return(&abci.ResponseOfferSnapshot{Result: abci.ResponseOfferSnapshot_reject}, nil)
|
|
|
|
connSnapshot.On("OfferSnapshotSync", abci.RequestOfferSnapshot{
|
|
Snapshot: toABCI(s11), AppHash: []byte("app_hash"),
|
|
}).Once().Return(&abci.ResponseOfferSnapshot{Result: abci.ResponseOfferSnapshot_reject}, nil)
|
|
|
|
_, _, err := syncer.SyncAny(0)
|
|
assert.Equal(t, errNoSnapshots, err)
|
|
connSnapshot.AssertExpectations(t)
|
|
}
|
|
|
|
func TestSyncer_SyncAny_reject_format(t *testing.T) {
|
|
syncer, connSnapshot := setupOfferSyncer(t)
|
|
|
|
// s22 is tried first, which reject s22 and s12, then s11 will abort.
|
|
s22 := &snapshot{Height: 2, Format: 2, Chunks: 3, Hash: []byte{1, 2, 3}}
|
|
s12 := &snapshot{Height: 1, Format: 2, Chunks: 3, Hash: []byte{1, 2, 3}}
|
|
s11 := &snapshot{Height: 1, Format: 1, Chunks: 3, Hash: []byte{1, 2, 3}}
|
|
syncer.AddSnapshot(simplePeer("id"), s22)
|
|
syncer.AddSnapshot(simplePeer("id"), s12)
|
|
syncer.AddSnapshot(simplePeer("id"), s11)
|
|
|
|
connSnapshot.On("OfferSnapshotSync", abci.RequestOfferSnapshot{
|
|
Snapshot: toABCI(s22), AppHash: []byte("app_hash"),
|
|
}).Once().Return(&abci.ResponseOfferSnapshot{Result: abci.ResponseOfferSnapshot_reject_format}, nil)
|
|
|
|
connSnapshot.On("OfferSnapshotSync", abci.RequestOfferSnapshot{
|
|
Snapshot: toABCI(s11), AppHash: []byte("app_hash"),
|
|
}).Once().Return(&abci.ResponseOfferSnapshot{Result: abci.ResponseOfferSnapshot_abort}, nil)
|
|
|
|
_, _, err := syncer.SyncAny(0)
|
|
assert.Equal(t, errAbort, err)
|
|
connSnapshot.AssertExpectations(t)
|
|
}
|
|
|
|
func TestSyncer_SyncAny_reject_sender(t *testing.T) {
|
|
syncer, connSnapshot := setupOfferSyncer(t)
|
|
|
|
peerA := simplePeer("a")
|
|
peerB := simplePeer("b")
|
|
peerC := simplePeer("c")
|
|
|
|
// sbc will be offered first, which will be rejected with reject_sender, causing all snapshots
|
|
// submitted by both b and c (i.e. sb, sc, sbc) to be rejected. Finally, sa will reject and
|
|
// errNoSnapshots is returned.
|
|
sa := &snapshot{Height: 1, Format: 1, Chunks: 3, Hash: []byte{1, 2, 3}}
|
|
sb := &snapshot{Height: 2, Format: 1, Chunks: 3, Hash: []byte{1, 2, 3}}
|
|
sc := &snapshot{Height: 3, Format: 1, Chunks: 3, Hash: []byte{1, 2, 3}}
|
|
sbc := &snapshot{Height: 4, Format: 1, Chunks: 3, Hash: []byte{1, 2, 3}}
|
|
_, err := syncer.AddSnapshot(peerA, sa)
|
|
require.NoError(t, err)
|
|
_, err = syncer.AddSnapshot(peerB, sb)
|
|
require.NoError(t, err)
|
|
_, err = syncer.AddSnapshot(peerC, sc)
|
|
require.NoError(t, err)
|
|
_, err = syncer.AddSnapshot(peerB, sbc)
|
|
require.NoError(t, err)
|
|
_, err = syncer.AddSnapshot(peerC, sbc)
|
|
require.NoError(t, err)
|
|
|
|
connSnapshot.On("OfferSnapshotSync", abci.RequestOfferSnapshot{
|
|
Snapshot: toABCI(sbc), AppHash: []byte("app_hash"),
|
|
}).Once().Return(&abci.ResponseOfferSnapshot{Result: abci.ResponseOfferSnapshot_reject_sender}, nil)
|
|
|
|
connSnapshot.On("OfferSnapshotSync", abci.RequestOfferSnapshot{
|
|
Snapshot: toABCI(sa), AppHash: []byte("app_hash"),
|
|
}).Once().Return(&abci.ResponseOfferSnapshot{Result: abci.ResponseOfferSnapshot_reject}, nil)
|
|
|
|
_, _, err = syncer.SyncAny(0)
|
|
assert.Equal(t, errNoSnapshots, err)
|
|
connSnapshot.AssertExpectations(t)
|
|
}
|
|
|
|
func TestSyncer_SyncAny_abciError(t *testing.T) {
|
|
syncer, connSnapshot := setupOfferSyncer(t)
|
|
|
|
errBoom := errors.New("boom")
|
|
s := &snapshot{Height: 1, Format: 1, Chunks: 3, Hash: []byte{1, 2, 3}}
|
|
syncer.AddSnapshot(simplePeer("id"), s)
|
|
connSnapshot.On("OfferSnapshotSync", abci.RequestOfferSnapshot{
|
|
Snapshot: toABCI(s), AppHash: []byte("app_hash"),
|
|
}).Once().Return(nil, errBoom)
|
|
|
|
_, _, err := syncer.SyncAny(0)
|
|
assert.True(t, errors.Is(err, errBoom))
|
|
connSnapshot.AssertExpectations(t)
|
|
}
|
|
|
|
func TestSyncer_offerSnapshot(t *testing.T) {
|
|
unknownErr := errors.New("unknown error")
|
|
boom := errors.New("boom")
|
|
|
|
testcases := map[string]struct {
|
|
result abci.ResponseOfferSnapshot_Result
|
|
err error
|
|
expectErr error
|
|
}{
|
|
"accept": {abci.ResponseOfferSnapshot_accept, nil, nil},
|
|
"abort": {abci.ResponseOfferSnapshot_abort, nil, errAbort},
|
|
"reject": {abci.ResponseOfferSnapshot_reject, nil, errRejectSnapshot},
|
|
"reject_format": {abci.ResponseOfferSnapshot_reject_format, nil, errRejectFormat},
|
|
"reject_sender": {abci.ResponseOfferSnapshot_reject_sender, nil, errRejectSender},
|
|
"error": {0, boom, boom},
|
|
"unknown result": {9, nil, unknownErr},
|
|
}
|
|
for name, tc := range testcases {
|
|
tc := tc
|
|
t.Run(name, func(t *testing.T) {
|
|
syncer, connSnapshot := setupOfferSyncer(t)
|
|
s := &snapshot{Height: 1, Format: 1, Chunks: 3, Hash: []byte{1, 2, 3}, trustedAppHash: []byte("app_hash")}
|
|
connSnapshot.On("OfferSnapshotSync", abci.RequestOfferSnapshot{
|
|
Snapshot: toABCI(s),
|
|
AppHash: []byte("app_hash"),
|
|
}).Return(&abci.ResponseOfferSnapshot{Result: tc.result}, tc.err)
|
|
err := syncer.offerSnapshot(s)
|
|
if tc.expectErr == unknownErr {
|
|
require.Error(t, err)
|
|
} else {
|
|
unwrapped := errors.Unwrap(err)
|
|
if unwrapped != nil {
|
|
err = unwrapped
|
|
}
|
|
assert.Equal(t, tc.expectErr, err)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestSyncer_applyChunks_Results(t *testing.T) {
|
|
unknownErr := errors.New("unknown error")
|
|
boom := errors.New("boom")
|
|
|
|
testcases := map[string]struct {
|
|
result abci.ResponseApplySnapshotChunk_Result
|
|
err error
|
|
expectErr error
|
|
}{
|
|
"accept": {abci.ResponseApplySnapshotChunk_accept, nil, nil},
|
|
"abort": {abci.ResponseApplySnapshotChunk_abort, nil, errAbort},
|
|
"retry": {abci.ResponseApplySnapshotChunk_retry, nil, nil},
|
|
"retry_snapshot": {abci.ResponseApplySnapshotChunk_retry_snapshot, nil, errRetrySnapshot},
|
|
"reject_snapshot": {abci.ResponseApplySnapshotChunk_reject_snapshot, nil, errRejectSnapshot},
|
|
"error": {0, boom, boom},
|
|
"unknown result": {9, nil, unknownErr},
|
|
}
|
|
for name, tc := range testcases {
|
|
tc := tc
|
|
t.Run(name, func(t *testing.T) {
|
|
connQuery := &proxymocks.AppConnQuery{}
|
|
connSnapshot := &proxymocks.AppConnSnapshot{}
|
|
stateProvider := &mocks.StateProvider{}
|
|
stateProvider.On("AppHash", mock.Anything).Return([]byte("app_hash"), nil)
|
|
syncer := newSyncer(log.NewNopLogger(), connSnapshot, connQuery, stateProvider, "")
|
|
|
|
body := []byte{1, 2, 3}
|
|
chunks, err := newChunkQueue(&snapshot{Height: 1, Format: 1, Chunks: 1}, "")
|
|
chunks.Add(&chunk{Height: 1, Format: 1, Index: 0, Chunk: body})
|
|
require.NoError(t, err)
|
|
|
|
connSnapshot.On("ApplySnapshotChunkSync", abci.RequestApplySnapshotChunk{
|
|
Index: 0, Chunk: body,
|
|
}).Once().Return(&abci.ResponseApplySnapshotChunk{Result: tc.result}, tc.err)
|
|
if tc.result == abci.ResponseApplySnapshotChunk_retry {
|
|
connSnapshot.On("ApplySnapshotChunkSync", abci.RequestApplySnapshotChunk{
|
|
Index: 0, Chunk: body,
|
|
}).Once().Return(&abci.ResponseApplySnapshotChunk{
|
|
Result: abci.ResponseApplySnapshotChunk_accept}, nil)
|
|
}
|
|
|
|
err = syncer.applyChunks(chunks)
|
|
if tc.expectErr == unknownErr {
|
|
require.Error(t, err)
|
|
} else {
|
|
unwrapped := errors.Unwrap(err)
|
|
if unwrapped != nil {
|
|
err = unwrapped
|
|
}
|
|
assert.Equal(t, tc.expectErr, err)
|
|
}
|
|
connSnapshot.AssertExpectations(t)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestSyncer_applyChunks_RefetchChunks(t *testing.T) {
|
|
// Discarding chunks via refetch_chunks should work the same for all results
|
|
testcases := map[string]struct {
|
|
result abci.ResponseApplySnapshotChunk_Result
|
|
}{
|
|
"accept": {abci.ResponseApplySnapshotChunk_accept},
|
|
"abort": {abci.ResponseApplySnapshotChunk_abort},
|
|
"retry": {abci.ResponseApplySnapshotChunk_retry},
|
|
"retry_snapshot": {abci.ResponseApplySnapshotChunk_retry_snapshot},
|
|
"reject_snapshot": {abci.ResponseApplySnapshotChunk_reject_snapshot},
|
|
}
|
|
for name, tc := range testcases {
|
|
tc := tc
|
|
t.Run(name, func(t *testing.T) {
|
|
connQuery := &proxymocks.AppConnQuery{}
|
|
connSnapshot := &proxymocks.AppConnSnapshot{}
|
|
stateProvider := &mocks.StateProvider{}
|
|
stateProvider.On("AppHash", mock.Anything).Return([]byte("app_hash"), nil)
|
|
syncer := newSyncer(log.NewNopLogger(), connSnapshot, connQuery, stateProvider, "")
|
|
|
|
chunks, err := newChunkQueue(&snapshot{Height: 1, Format: 1, Chunks: 3}, "")
|
|
require.NoError(t, err)
|
|
added, err := chunks.Add(&chunk{Height: 1, Format: 1, Index: 0, Chunk: []byte{0}})
|
|
require.True(t, added)
|
|
require.NoError(t, err)
|
|
added, err = chunks.Add(&chunk{Height: 1, Format: 1, Index: 1, Chunk: []byte{1}})
|
|
require.True(t, added)
|
|
require.NoError(t, err)
|
|
added, err = chunks.Add(&chunk{Height: 1, Format: 1, Index: 2, Chunk: []byte{2}})
|
|
require.True(t, added)
|
|
require.NoError(t, err)
|
|
|
|
// The first two chunks are accepted, before the last one asks for 1 to be refetched
|
|
connSnapshot.On("ApplySnapshotChunkSync", abci.RequestApplySnapshotChunk{
|
|
Index: 0, Chunk: []byte{0},
|
|
}).Once().Return(&abci.ResponseApplySnapshotChunk{Result: abci.ResponseApplySnapshotChunk_accept}, nil)
|
|
connSnapshot.On("ApplySnapshotChunkSync", abci.RequestApplySnapshotChunk{
|
|
Index: 1, Chunk: []byte{1},
|
|
}).Once().Return(&abci.ResponseApplySnapshotChunk{Result: abci.ResponseApplySnapshotChunk_accept}, nil)
|
|
connSnapshot.On("ApplySnapshotChunkSync", abci.RequestApplySnapshotChunk{
|
|
Index: 2, Chunk: []byte{2},
|
|
}).Once().Return(&abci.ResponseApplySnapshotChunk{
|
|
Result: tc.result,
|
|
RefetchChunks: []uint32{1},
|
|
}, nil)
|
|
|
|
// Since removing the chunk will cause Next() to block, we spawn a goroutine, then
|
|
// check the queue contents, and finally close the queue to end the goroutine.
|
|
// We don't really care about the result of applyChunks, since it has separate test.
|
|
go func() {
|
|
syncer.applyChunks(chunks)
|
|
}()
|
|
|
|
time.Sleep(50 * time.Millisecond)
|
|
assert.True(t, chunks.Has(0))
|
|
assert.False(t, chunks.Has(1))
|
|
assert.True(t, chunks.Has(2))
|
|
err = chunks.Close()
|
|
require.NoError(t, err)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestSyncer_applyChunks_RejectSenders(t *testing.T) {
|
|
// Banning chunks senders via ban_chunk_senders should work the same for all results
|
|
testcases := map[string]struct {
|
|
result abci.ResponseApplySnapshotChunk_Result
|
|
}{
|
|
"accept": {abci.ResponseApplySnapshotChunk_accept},
|
|
"abort": {abci.ResponseApplySnapshotChunk_abort},
|
|
"retry": {abci.ResponseApplySnapshotChunk_retry},
|
|
"retry_snapshot": {abci.ResponseApplySnapshotChunk_retry_snapshot},
|
|
"reject_snapshot": {abci.ResponseApplySnapshotChunk_reject_snapshot},
|
|
}
|
|
for name, tc := range testcases {
|
|
tc := tc
|
|
t.Run(name, func(t *testing.T) {
|
|
connQuery := &proxymocks.AppConnQuery{}
|
|
connSnapshot := &proxymocks.AppConnSnapshot{}
|
|
stateProvider := &mocks.StateProvider{}
|
|
stateProvider.On("AppHash", mock.Anything).Return([]byte("app_hash"), nil)
|
|
syncer := newSyncer(log.NewNopLogger(), connSnapshot, connQuery, stateProvider, "")
|
|
|
|
// Set up three peers across two snapshots, and ask for one of them to be banned.
|
|
// It should be banned from all snapshots.
|
|
peerA := simplePeer("a")
|
|
peerB := simplePeer("b")
|
|
peerC := simplePeer("c")
|
|
|
|
s1 := &snapshot{Height: 1, Format: 1, Chunks: 3}
|
|
s2 := &snapshot{Height: 2, Format: 1, Chunks: 3}
|
|
syncer.AddSnapshot(peerA, s1)
|
|
syncer.AddSnapshot(peerA, s2)
|
|
syncer.AddSnapshot(peerB, s1)
|
|
syncer.AddSnapshot(peerB, s2)
|
|
syncer.AddSnapshot(peerC, s1)
|
|
syncer.AddSnapshot(peerC, s2)
|
|
|
|
chunks, err := newChunkQueue(s1, "")
|
|
require.NoError(t, err)
|
|
added, err := chunks.Add(&chunk{Height: 1, Format: 1, Index: 0, Chunk: []byte{0}, Sender: peerA.ID()})
|
|
require.True(t, added)
|
|
require.NoError(t, err)
|
|
added, err = chunks.Add(&chunk{Height: 1, Format: 1, Index: 1, Chunk: []byte{1}, Sender: peerB.ID()})
|
|
require.True(t, added)
|
|
require.NoError(t, err)
|
|
added, err = chunks.Add(&chunk{Height: 1, Format: 1, Index: 2, Chunk: []byte{2}, Sender: peerC.ID()})
|
|
require.True(t, added)
|
|
require.NoError(t, err)
|
|
|
|
// The first two chunks are accepted, before the last one asks for b sender to be rejected
|
|
connSnapshot.On("ApplySnapshotChunkSync", abci.RequestApplySnapshotChunk{
|
|
Index: 0, Chunk: []byte{0}, Sender: "a",
|
|
}).Once().Return(&abci.ResponseApplySnapshotChunk{Result: abci.ResponseApplySnapshotChunk_accept}, nil)
|
|
connSnapshot.On("ApplySnapshotChunkSync", abci.RequestApplySnapshotChunk{
|
|
Index: 1, Chunk: []byte{1}, Sender: "b",
|
|
}).Once().Return(&abci.ResponseApplySnapshotChunk{Result: abci.ResponseApplySnapshotChunk_accept}, nil)
|
|
connSnapshot.On("ApplySnapshotChunkSync", abci.RequestApplySnapshotChunk{
|
|
Index: 2, Chunk: []byte{2}, Sender: "c",
|
|
}).Once().Return(&abci.ResponseApplySnapshotChunk{
|
|
Result: tc.result,
|
|
RejectSenders: []string{string(peerB.ID())},
|
|
}, nil)
|
|
|
|
// On retry, the last chunk will be tried again, so we just accept it then.
|
|
if tc.result == abci.ResponseApplySnapshotChunk_retry {
|
|
connSnapshot.On("ApplySnapshotChunkSync", abci.RequestApplySnapshotChunk{
|
|
Index: 2, Chunk: []byte{2}, Sender: "c",
|
|
}).Once().Return(&abci.ResponseApplySnapshotChunk{Result: abci.ResponseApplySnapshotChunk_accept}, nil)
|
|
}
|
|
|
|
// We don't really care about the result of applyChunks, since it has separate test.
|
|
// However, it will block on e.g. retry result, so we spawn a goroutine that will
|
|
// be shut down when the chunk queue closes.
|
|
go func() {
|
|
syncer.applyChunks(chunks)
|
|
}()
|
|
|
|
time.Sleep(50 * time.Millisecond)
|
|
|
|
s1peers := syncer.snapshots.GetPeers(s1)
|
|
assert.Len(t, s1peers, 2)
|
|
assert.EqualValues(t, "a", s1peers[0].ID())
|
|
assert.EqualValues(t, "c", s1peers[1].ID())
|
|
|
|
syncer.snapshots.GetPeers(s1)
|
|
assert.Len(t, s1peers, 2)
|
|
assert.EqualValues(t, "a", s1peers[0].ID())
|
|
assert.EqualValues(t, "c", s1peers[1].ID())
|
|
|
|
err = chunks.Close()
|
|
require.NoError(t, err)
|
|
})
|
|
}
|
|
}
|
|
|
|
func TestSyncer_verifyApp(t *testing.T) {
|
|
boom := errors.New("boom")
|
|
s := &snapshot{Height: 3, Format: 1, Chunks: 5, Hash: []byte{1, 2, 3}, trustedAppHash: []byte("app_hash")}
|
|
|
|
testcases := map[string]struct {
|
|
response *abci.ResponseInfo
|
|
err error
|
|
expectErr error
|
|
}{
|
|
"verified": {&abci.ResponseInfo{
|
|
LastBlockHeight: 3,
|
|
LastBlockAppHash: []byte("app_hash"),
|
|
AppVersion: 9,
|
|
}, nil, nil},
|
|
"invalid height": {&abci.ResponseInfo{
|
|
LastBlockHeight: 5,
|
|
LastBlockAppHash: []byte("app_hash"),
|
|
AppVersion: 9,
|
|
}, nil, errVerifyFailed},
|
|
"invalid hash": {&abci.ResponseInfo{
|
|
LastBlockHeight: 3,
|
|
LastBlockAppHash: []byte("xxx"),
|
|
AppVersion: 9,
|
|
}, nil, errVerifyFailed},
|
|
"error": {nil, boom, boom},
|
|
}
|
|
for name, tc := range testcases {
|
|
tc := tc
|
|
t.Run(name, func(t *testing.T) {
|
|
connQuery := &proxymocks.AppConnQuery{}
|
|
connSnapshot := &proxymocks.AppConnSnapshot{}
|
|
stateProvider := &mocks.StateProvider{}
|
|
syncer := newSyncer(log.NewNopLogger(), connSnapshot, connQuery, stateProvider, "")
|
|
|
|
connQuery.On("InfoSync", proxy.RequestInfo).Return(tc.response, tc.err)
|
|
version, err := syncer.verifyApp(s)
|
|
unwrapped := errors.Unwrap(err)
|
|
if unwrapped != nil {
|
|
err = unwrapped
|
|
}
|
|
assert.Equal(t, tc.expectErr, err)
|
|
if err == nil {
|
|
assert.Equal(t, tc.response.AppVersion, version)
|
|
}
|
|
})
|
|
}
|
|
}
|
|
|
|
func toABCI(s *snapshot) *abci.Snapshot {
|
|
return &abci.Snapshot{
|
|
Height: s.Height,
|
|
Format: s.Format,
|
|
Chunks: s.Chunks,
|
|
Hash: s.Hash,
|
|
Metadata: s.Metadata,
|
|
}
|
|
}
|