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Diffstat (limited to 'eth/downloader/downloader_test.go')
-rw-r--r--eth/downloader/downloader_test.go464
1 files changed, 254 insertions, 210 deletions
diff --git a/eth/downloader/downloader_test.go b/eth/downloader/downloader_test.go
index f01650ebd..ef6f74a6b 100644
--- a/eth/downloader/downloader_test.go
+++ b/eth/downloader/downloader_test.go
@@ -136,7 +136,7 @@ type downloadTester struct {
}
// newTester creates a new downloader test mocker.
-func newTester(mode SyncMode) *downloadTester {
+func newTester() *downloadTester {
tester := &downloadTester{
ownHashes: []common.Hash{genesis.Hash()},
ownHeaders: map[common.Hash]*types.Header{genesis.Hash(): genesis.Header()},
@@ -150,7 +150,7 @@ func newTester(mode SyncMode) *downloadTester {
peerChainTds: make(map[string]map[common.Hash]*big.Int),
}
tester.stateDb, _ = ethdb.NewMemDatabase()
- tester.downloader = New(mode, tester.stateDb, new(event.TypeMux), tester.hasHeader, tester.hasBlock, tester.getHeader,
+ tester.downloader = New(tester.stateDb, new(event.TypeMux), tester.hasHeader, tester.hasBlock, tester.getHeader,
tester.getBlock, tester.headHeader, tester.headBlock, tester.headFastBlock, tester.commitHeadBlock, tester.getTd,
tester.insertHeaders, tester.insertBlocks, tester.insertReceipts, tester.rollback, tester.dropPeer)
@@ -158,7 +158,7 @@ func newTester(mode SyncMode) *downloadTester {
}
// sync starts synchronizing with a remote peer, blocking until it completes.
-func (dl *downloadTester) sync(id string, td *big.Int) error {
+func (dl *downloadTester) sync(id string, td *big.Int, mode SyncMode) error {
dl.lock.RLock()
hash := dl.peerHashes[id][0]
// If no particular TD was requested, load from the peer's blockchain
@@ -170,7 +170,7 @@ func (dl *downloadTester) sync(id string, td *big.Int) error {
}
dl.lock.RUnlock()
- err := dl.downloader.synchronise(id, hash, td)
+ err := dl.downloader.synchronise(id, hash, td, mode)
for {
// If the queue is empty and processing stopped, break
if dl.downloader.queue.Idle() && atomic.LoadInt32(&dl.downloader.processing) == 0 {
@@ -214,7 +214,7 @@ func (dl *downloadTester) headHeader() *types.Header {
defer dl.lock.RUnlock()
for i := len(dl.ownHashes) - 1; i >= 0; i-- {
- if header := dl.getHeader(dl.ownHashes[i]); header != nil {
+ if header := dl.ownHeaders[dl.ownHashes[i]]; header != nil {
return header
}
}
@@ -227,7 +227,7 @@ func (dl *downloadTester) headBlock() *types.Block {
defer dl.lock.RUnlock()
for i := len(dl.ownHashes) - 1; i >= 0; i-- {
- if block := dl.getBlock(dl.ownHashes[i]); block != nil {
+ if block := dl.ownBlocks[dl.ownHashes[i]]; block != nil {
if _, err := dl.stateDb.Get(block.Root().Bytes()); err == nil {
return block
}
@@ -242,7 +242,7 @@ func (dl *downloadTester) headFastBlock() *types.Block {
defer dl.lock.RUnlock()
for i := len(dl.ownHashes) - 1; i >= 0; i-- {
- if block := dl.getBlock(dl.ownHashes[i]); block != nil {
+ if block := dl.ownBlocks[dl.ownHashes[i]]; block != nil {
return block
}
}
@@ -291,7 +291,7 @@ func (dl *downloadTester) insertHeaders(headers []*types.Header, checkFreq int)
}
dl.ownHashes = append(dl.ownHashes, header.Hash())
dl.ownHeaders[header.Hash()] = header
- dl.ownChainTd[header.Hash()] = dl.ownChainTd[header.ParentHash]
+ dl.ownChainTd[header.Hash()] = new(big.Int).Add(dl.ownChainTd[header.ParentHash], header.Difficulty)
}
return len(headers), nil
}
@@ -305,11 +305,13 @@ func (dl *downloadTester) insertBlocks(blocks types.Blocks) (int, error) {
if _, ok := dl.ownBlocks[block.ParentHash()]; !ok {
return i, errors.New("unknown parent")
}
- dl.ownHashes = append(dl.ownHashes, block.Hash())
- dl.ownHeaders[block.Hash()] = block.Header()
+ if _, ok := dl.ownHeaders[block.Hash()]; !ok {
+ dl.ownHashes = append(dl.ownHashes, block.Hash())
+ dl.ownHeaders[block.Hash()] = block.Header()
+ }
dl.ownBlocks[block.Hash()] = block
- dl.stateDb.Put(block.Root().Bytes(), []byte{})
- dl.ownChainTd[block.Hash()] = dl.ownChainTd[block.ParentHash()]
+ dl.stateDb.Put(block.Root().Bytes(), []byte{0x00})
+ dl.ownChainTd[block.Hash()] = new(big.Int).Add(dl.ownChainTd[block.ParentHash()], block.Difficulty())
}
return len(blocks), nil
}
@@ -381,7 +383,19 @@ func (dl *downloadTester) newSlowPeer(id string, version int, hashes []common.Ha
dl.peerReceipts[id] = make(map[common.Hash]types.Receipts)
dl.peerChainTds[id] = make(map[common.Hash]*big.Int)
- for _, hash := range hashes {
+ genesis := hashes[len(hashes)-1]
+ if header := headers[genesis]; header != nil {
+ dl.peerHeaders[id][genesis] = header
+ dl.peerChainTds[id][genesis] = header.Difficulty
+ }
+ if block := blocks[genesis]; block != nil {
+ dl.peerBlocks[id][genesis] = block
+ dl.peerChainTds[id][genesis] = block.Difficulty()
+ }
+
+ for i := len(hashes) - 2; i >= 0; i-- {
+ hash := hashes[i]
+
if header, ok := headers[hash]; ok {
dl.peerHeaders[id][hash] = header
if _, ok := dl.peerHeaders[id][header.ParentHash]; ok {
@@ -627,21 +641,28 @@ func assertOwnChain(t *testing.T, tester *downloadTester, length int) {
// number of items of the various chain components.
func assertOwnForkedChain(t *testing.T, tester *downloadTester, common int, lengths []int) {
// Initialize the counters for the first fork
- headers, blocks, receipts := lengths[0], lengths[0], lengths[0]-minFullBlocks
- if receipts < 0 {
- receipts = 1
+ headers, blocks := lengths[0], lengths[0]
+
+ minReceipts, maxReceipts := lengths[0]-fsMinFullBlocks-fsPivotInterval, lengths[0]-fsMinFullBlocks
+ if minReceipts < 0 {
+ minReceipts = 1
+ }
+ if maxReceipts < 0 {
+ maxReceipts = 1
}
// Update the counters for each subsequent fork
for _, length := range lengths[1:] {
headers += length - common
blocks += length - common
- receipts += length - common - minFullBlocks
+
+ minReceipts += length - common - fsMinFullBlocks - fsPivotInterval
+ maxReceipts += length - common - fsMinFullBlocks
}
switch tester.downloader.mode {
case FullSync:
- receipts = 1
+ minReceipts, maxReceipts = 1, 1
case LightSync:
- blocks, receipts = 1, 1
+ blocks, minReceipts, maxReceipts = 1, 1, 1
}
if hs := len(tester.ownHeaders); hs != headers {
t.Fatalf("synchronised headers mismatch: have %v, want %v", hs, headers)
@@ -649,14 +670,20 @@ func assertOwnForkedChain(t *testing.T, tester *downloadTester, common int, leng
if bs := len(tester.ownBlocks); bs != blocks {
t.Fatalf("synchronised blocks mismatch: have %v, want %v", bs, blocks)
}
- if rs := len(tester.ownReceipts); rs != receipts {
- t.Fatalf("synchronised receipts mismatch: have %v, want %v", rs, receipts)
+ if rs := len(tester.ownReceipts); rs < minReceipts || rs > maxReceipts {
+ t.Fatalf("synchronised receipts mismatch: have %v, want between [%v, %v]", rs, minReceipts, maxReceipts)
}
// Verify the state trie too for fast syncs
if tester.downloader.mode == FastSync {
- if index := lengths[len(lengths)-1] - minFullBlocks - 1; index > 0 {
- if statedb := state.New(tester.ownHeaders[tester.ownHashes[index]].Root, tester.stateDb); statedb == nil {
- t.Fatalf("state reconstruction failed")
+ index := 0
+ if pivot := int(tester.downloader.queue.fastSyncPivot); pivot < common {
+ index = pivot
+ } else {
+ index = len(tester.ownHashes) - lengths[len(lengths)-1] + int(tester.downloader.queue.fastSyncPivot)
+ }
+ if index > 0 {
+ if statedb, err := state.New(tester.ownHeaders[tester.ownHashes[index]].Root, tester.stateDb); statedb == nil || err != nil {
+ t.Fatalf("state reconstruction failed: %v", err)
}
}
}
@@ -678,11 +705,11 @@ func testCanonicalSynchronisation(t *testing.T, protocol int, mode SyncMode) {
targetBlocks := blockCacheLimit - 15
hashes, headers, blocks, receipts := makeChain(targetBlocks, 0, genesis, nil)
- tester := newTester(mode)
+ tester := newTester()
tester.newPeer("peer", protocol, hashes, headers, blocks, receipts)
// Synchronise with the peer and make sure all relevant data was retrieved
- if err := tester.sync("peer", nil); err != nil {
+ if err := tester.sync("peer", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
assertOwnChain(t, tester, targetBlocks+1)
@@ -702,7 +729,7 @@ func testThrottling(t *testing.T, protocol int, mode SyncMode) {
targetBlocks := 8 * blockCacheLimit
hashes, headers, blocks, receipts := makeChain(targetBlocks, 0, genesis, nil)
- tester := newTester(mode)
+ tester := newTester()
tester.newPeer("peer", protocol, hashes, headers, blocks, receipts)
// Wrap the importer to allow stepping
@@ -714,7 +741,7 @@ func testThrottling(t *testing.T, protocol int, mode SyncMode) {
// Start a synchronisation concurrently
errc := make(chan error)
go func() {
- errc <- tester.sync("peer", nil)
+ errc <- tester.sync("peer", nil, mode)
}()
// Iteratively take some blocks, always checking the retrieval count
for {
@@ -726,10 +753,11 @@ func testThrottling(t *testing.T, protocol int, mode SyncMode) {
break
}
// Wait a bit for sync to throttle itself
- var cached int
+ var cached, frozen int
for start := time.Now(); time.Since(start) < time.Second; {
time.Sleep(25 * time.Millisecond)
+ tester.lock.RLock()
tester.downloader.queue.lock.RLock()
cached = len(tester.downloader.queue.blockDonePool)
if mode == FastSync {
@@ -739,16 +767,23 @@ func testThrottling(t *testing.T, protocol int, mode SyncMode) {
}
}
}
+ frozen = int(atomic.LoadUint32(&blocked))
+ retrieved = len(tester.ownBlocks)
tester.downloader.queue.lock.RUnlock()
+ tester.lock.RUnlock()
- if cached == blockCacheLimit || len(tester.ownBlocks)+cached+int(atomic.LoadUint32(&blocked)) == targetBlocks+1 {
+ if cached == blockCacheLimit || retrieved+cached+frozen == targetBlocks+1 {
break
}
}
// Make sure we filled up the cache, then exhaust it
time.Sleep(25 * time.Millisecond) // give it a chance to screw up
- if cached != blockCacheLimit && len(tester.ownBlocks)+cached+int(atomic.LoadUint32(&blocked)) != targetBlocks+1 {
- t.Fatalf("block count mismatch: have %v, want %v (owned %v, target %v)", cached, blockCacheLimit, len(tester.ownBlocks), targetBlocks+1)
+
+ tester.lock.RLock()
+ retrieved = len(tester.ownBlocks)
+ tester.lock.RUnlock()
+ if cached != blockCacheLimit && retrieved+cached+frozen != targetBlocks+1 {
+ t.Fatalf("block count mismatch: have %v, want %v (owned %v, blocked %v, target %v)", cached, blockCacheLimit, retrieved, frozen, targetBlocks+1)
}
// Permit the blocked blocks to import
if atomic.LoadUint32(&blocked) > 0 {
@@ -779,18 +814,18 @@ func testForkedSynchronisation(t *testing.T, protocol int, mode SyncMode) {
common, fork := MaxHashFetch, 2*MaxHashFetch
hashesA, hashesB, headersA, headersB, blocksA, blocksB, receiptsA, receiptsB := makeChainFork(common+fork, fork, genesis, nil)
- tester := newTester(mode)
+ tester := newTester()
tester.newPeer("fork A", protocol, hashesA, headersA, blocksA, receiptsA)
tester.newPeer("fork B", protocol, hashesB, headersB, blocksB, receiptsB)
// Synchronise with the peer and make sure all blocks were retrieved
- if err := tester.sync("fork A", nil); err != nil {
+ if err := tester.sync("fork A", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
assertOwnChain(t, tester, common+fork+1)
// Synchronise with the second peer and make sure that fork is pulled too
- if err := tester.sync("fork B", nil); err != nil {
+ if err := tester.sync("fork B", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
assertOwnForkedChain(t, tester, common+1, []int{common + fork + 1, common + fork + 1})
@@ -798,7 +833,7 @@ func testForkedSynchronisation(t *testing.T, protocol int, mode SyncMode) {
// Tests that an inactive downloader will not accept incoming hashes and blocks.
func TestInactiveDownloader61(t *testing.T) {
- tester := newTester(FullSync)
+ tester := newTester()
// Check that neither hashes nor blocks are accepted
if err := tester.downloader.DeliverHashes("bad peer", []common.Hash{}); err != errNoSyncActive {
@@ -812,7 +847,7 @@ func TestInactiveDownloader61(t *testing.T) {
// Tests that an inactive downloader will not accept incoming block headers and
// bodies.
func TestInactiveDownloader62(t *testing.T) {
- tester := newTester(FullSync)
+ tester := newTester()
// Check that neither block headers nor bodies are accepted
if err := tester.downloader.DeliverHeaders("bad peer", []*types.Header{}); err != errNoSyncActive {
@@ -826,7 +861,7 @@ func TestInactiveDownloader62(t *testing.T) {
// Tests that an inactive downloader will not accept incoming block headers,
// bodies and receipts.
func TestInactiveDownloader63(t *testing.T) {
- tester := newTester(FullSync)
+ tester := newTester()
// Check that neither block headers nor bodies are accepted
if err := tester.downloader.DeliverHeaders("bad peer", []*types.Header{}); err != errNoSyncActive {
@@ -860,7 +895,7 @@ func testCancel(t *testing.T, protocol int, mode SyncMode) {
}
hashes, headers, blocks, receipts := makeChain(targetBlocks, 0, genesis, nil)
- tester := newTester(mode)
+ tester := newTester()
tester.newPeer("peer", protocol, hashes, headers, blocks, receipts)
// Make sure canceling works with a pristine downloader
@@ -869,7 +904,7 @@ func testCancel(t *testing.T, protocol int, mode SyncMode) {
t.Errorf("download queue not idle")
}
// Synchronise with the peer, but cancel afterwards
- if err := tester.sync("peer", nil); err != nil {
+ if err := tester.sync("peer", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
tester.downloader.cancel()
@@ -893,12 +928,12 @@ func testMultiSynchronisation(t *testing.T, protocol int, mode SyncMode) {
targetBlocks := targetPeers*blockCacheLimit - 15
hashes, headers, blocks, receipts := makeChain(targetBlocks, 0, genesis, nil)
- tester := newTester(mode)
+ tester := newTester()
for i := 0; i < targetPeers; i++ {
id := fmt.Sprintf("peer #%d", i)
tester.newPeer(id, protocol, hashes[i*blockCacheLimit:], headers, blocks, receipts)
}
- if err := tester.sync("peer #0", nil); err != nil {
+ if err := tester.sync("peer #0", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
assertOwnChain(t, tester, targetBlocks+1)
@@ -920,14 +955,14 @@ func testMultiProtoSync(t *testing.T, protocol int, mode SyncMode) {
hashes, headers, blocks, receipts := makeChain(targetBlocks, 0, genesis, nil)
// Create peers of every type
- tester := newTester(mode)
- tester.newPeer("peer 61", 61, hashes, headers, blocks, receipts)
- tester.newPeer("peer 62", 62, hashes, headers, blocks, receipts)
+ tester := newTester()
+ tester.newPeer("peer 61", 61, hashes, nil, blocks, nil)
+ tester.newPeer("peer 62", 62, hashes, headers, blocks, nil)
tester.newPeer("peer 63", 63, hashes, headers, blocks, receipts)
tester.newPeer("peer 64", 64, hashes, headers, blocks, receipts)
- // Synchronise with the requestd peer and make sure all blocks were retrieved
- if err := tester.sync(fmt.Sprintf("peer %d", protocol), nil); err != nil {
+ // Synchronise with the requested peer and make sure all blocks were retrieved
+ if err := tester.sync(fmt.Sprintf("peer %d", protocol), nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
assertOwnChain(t, tester, targetBlocks+1)
@@ -955,7 +990,7 @@ func testEmptyShortCircuit(t *testing.T, protocol int, mode SyncMode) {
targetBlocks := 2*blockCacheLimit - 15
hashes, headers, blocks, receipts := makeChain(targetBlocks, 0, genesis, nil)
- tester := newTester(mode)
+ tester := newTester()
tester.newPeer("peer", protocol, hashes, headers, blocks, receipts)
// Instrument the downloader to signal body requests
@@ -967,7 +1002,7 @@ func testEmptyShortCircuit(t *testing.T, protocol int, mode SyncMode) {
atomic.AddInt32(&receiptsHave, int32(len(headers)))
}
// Synchronise with the peer and make sure all blocks were retrieved
- if err := tester.sync("peer", nil); err != nil {
+ if err := tester.sync("peer", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
assertOwnChain(t, tester, targetBlocks+1)
@@ -980,7 +1015,7 @@ func testEmptyShortCircuit(t *testing.T, protocol int, mode SyncMode) {
}
}
for hash, receipt := range receipts {
- if mode == FastSync && len(receipt) > 0 && headers[hash].Number.Uint64() <= uint64(targetBlocks-minFullBlocks) {
+ if mode == FastSync && len(receipt) > 0 && headers[hash].Number.Uint64() <= tester.downloader.queue.fastSyncPivot {
receiptsNeeded++
}
}
@@ -1006,19 +1041,19 @@ func testMissingHeaderAttack(t *testing.T, protocol int, mode SyncMode) {
targetBlocks := blockCacheLimit - 15
hashes, headers, blocks, receipts := makeChain(targetBlocks, 0, genesis, nil)
- tester := newTester(mode)
+ tester := newTester()
// Attempt a full sync with an attacker feeding gapped headers
tester.newPeer("attack", protocol, hashes, headers, blocks, receipts)
missing := targetBlocks / 2
delete(tester.peerHeaders["attack"], hashes[missing])
- if err := tester.sync("attack", nil); err == nil {
+ if err := tester.sync("attack", nil, mode); err == nil {
t.Fatalf("succeeded attacker synchronisation")
}
// Synchronise with the valid peer and make sure sync succeeds
tester.newPeer("valid", protocol, hashes, headers, blocks, receipts)
- if err := tester.sync("valid", nil); err != nil {
+ if err := tester.sync("valid", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
assertOwnChain(t, tester, targetBlocks+1)
@@ -1038,7 +1073,7 @@ func testShiftedHeaderAttack(t *testing.T, protocol int, mode SyncMode) {
targetBlocks := blockCacheLimit - 15
hashes, headers, blocks, receipts := makeChain(targetBlocks, 0, genesis, nil)
- tester := newTester(mode)
+ tester := newTester()
// Attempt a full sync with an attacker feeding shifted headers
tester.newPeer("attack", protocol, hashes, headers, blocks, receipts)
@@ -1046,12 +1081,12 @@ func testShiftedHeaderAttack(t *testing.T, protocol int, mode SyncMode) {
delete(tester.peerBlocks["attack"], hashes[len(hashes)-2])
delete(tester.peerReceipts["attack"], hashes[len(hashes)-2])
- if err := tester.sync("attack", nil); err == nil {
+ if err := tester.sync("attack", nil, mode); err == nil {
t.Fatalf("succeeded attacker synchronisation")
}
// Synchronise with the valid peer and make sure sync succeeds
tester.newPeer("valid", protocol, hashes, headers, blocks, receipts)
- if err := tester.sync("valid", nil); err != nil {
+ if err := tester.sync("valid", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
assertOwnChain(t, tester, targetBlocks+1)
@@ -1064,92 +1099,81 @@ func TestInvalidHeaderRollback64Light(t *testing.T) { testInvalidHeaderRollback(
func testInvalidHeaderRollback(t *testing.T, protocol int, mode SyncMode) {
// Create a small enough block chain to download
- targetBlocks := 3*minCheckedHeaders + minFullBlocks
+ targetBlocks := 3*fsHeaderSafetyNet + fsMinFullBlocks
hashes, headers, blocks, receipts := makeChain(targetBlocks, 0, genesis, nil)
- tester := newTester(mode)
+ tester := newTester()
- // Attempt to sync with an attacker that feeds junk during the fast sync phase
+ // Attempt to sync with an attacker that feeds junk during the fast sync phase.
+ // This should result in the last fsHeaderSafetyNet headers being rolled back.
tester.newPeer("fast-attack", protocol, hashes, headers, blocks, receipts)
- missing := minCheckedHeaders + MaxHeaderFetch + 1
+ missing := fsHeaderSafetyNet + MaxHeaderFetch + 1
delete(tester.peerHeaders["fast-attack"], hashes[len(hashes)-missing])
- if err := tester.sync("fast-attack", nil); err == nil {
+ if err := tester.sync("fast-attack", nil, mode); err == nil {
t.Fatalf("succeeded fast attacker synchronisation")
}
if head := tester.headHeader().Number.Int64(); int(head) > MaxHeaderFetch {
- t.Fatalf("rollback head mismatch: have %v, want at most %v", head, MaxHeaderFetch)
+ t.Errorf("rollback head mismatch: have %v, want at most %v", head, MaxHeaderFetch)
}
- // Attempt to sync with an attacker that feeds junk during the block import phase
+ // Attempt to sync with an attacker that feeds junk during the block import phase.
+ // This should result in both the last fsHeaderSafetyNet number of headers being
+ // rolled back, and also the pivot point being reverted to a non-block status.
tester.newPeer("block-attack", protocol, hashes, headers, blocks, receipts)
- missing = 3*minCheckedHeaders + MaxHeaderFetch + 1
+ missing = 3*fsHeaderSafetyNet + MaxHeaderFetch + 1
delete(tester.peerHeaders["block-attack"], hashes[len(hashes)-missing])
- if err := tester.sync("block-attack", nil); err == nil {
+ if err := tester.sync("block-attack", nil, mode); err == nil {
t.Fatalf("succeeded block attacker synchronisation")
}
+ if head := tester.headHeader().Number.Int64(); int(head) > 2*fsHeaderSafetyNet+MaxHeaderFetch {
+ t.Errorf("rollback head mismatch: have %v, want at most %v", head, 2*fsHeaderSafetyNet+MaxHeaderFetch)
+ }
if mode == FastSync {
- // Fast sync should not discard anything below the verified pivot point
- if head := tester.headHeader().Number.Int64(); int(head) < 3*minCheckedHeaders {
- t.Fatalf("rollback head mismatch: have %v, want at least %v", head, 3*minCheckedHeaders)
+ if head := tester.headBlock().NumberU64(); head != 0 {
+ t.Errorf("fast sync pivot block #%d not rolled back", head)
}
- } else if mode == LightSync {
- // Light sync should still discard data as before
- if head := tester.headHeader().Number.Int64(); int(head) > 3*minCheckedHeaders {
- t.Fatalf("rollback head mismatch: have %v, want at most %v", head, 3*minCheckedHeaders)
- }
- }
- // Synchronise with the valid peer and make sure sync succeeds
- tester.newPeer("valid", protocol, hashes, headers, blocks, receipts)
- if err := tester.sync("valid", nil); err != nil {
- t.Fatalf("failed to synchronise blocks: %v", err)
}
- assertOwnChain(t, tester, targetBlocks+1)
-}
+ // Attempt to sync with an attacker that withholds promised blocks after the
+ // fast sync pivot point. This could be a trial to leave the node with a bad
+ // but already imported pivot block.
+ tester.newPeer("withhold-attack", protocol, hashes, headers, blocks, receipts)
+ missing = 3*fsHeaderSafetyNet + MaxHeaderFetch + 1
-// Tests that if a peer sends an invalid block piece (body or receipt) for a
-// requested block, it gets dropped immediately by the downloader.
-func TestInvalidContentAttack62(t *testing.T) { testInvalidContentAttack(t, 62, FullSync) }
-func TestInvalidContentAttack63Full(t *testing.T) { testInvalidContentAttack(t, 63, FullSync) }
-func TestInvalidContentAttack63Fast(t *testing.T) { testInvalidContentAttack(t, 63, FastSync) }
-func TestInvalidContentAttack64Full(t *testing.T) { testInvalidContentAttack(t, 64, FullSync) }
-func TestInvalidContentAttack64Fast(t *testing.T) { testInvalidContentAttack(t, 64, FastSync) }
-func TestInvalidContentAttack64Light(t *testing.T) { testInvalidContentAttack(t, 64, LightSync) }
-
-func testInvalidContentAttack(t *testing.T, protocol int, mode SyncMode) {
- // Create two peers, one feeding invalid block bodies
- targetBlocks := 4*blockCacheLimit - 15
- hashes, headers, validBlocks, validReceipts := makeChain(targetBlocks, 0, genesis, nil)
-
- invalidBlocks := make(map[common.Hash]*types.Block)
- for hash, block := range validBlocks {
- invalidBlocks[hash] = types.NewBlockWithHeader(block.Header())
- }
- invalidReceipts := make(map[common.Hash]types.Receipts)
- for hash, _ := range validReceipts {
- invalidReceipts[hash] = types.Receipts{&types.Receipt{}}
+ tester.downloader.noFast = false
+ tester.downloader.syncInitHook = func(uint64, uint64) {
+ for i := missing; i <= len(hashes); i++ {
+ delete(tester.peerHeaders["withhold-attack"], hashes[len(hashes)-i])
+ }
+ tester.downloader.syncInitHook = nil
}
- tester := newTester(mode)
- tester.newPeer("valid", protocol, hashes, headers, validBlocks, validReceipts)
- if mode != LightSync {
- tester.newPeer("body attack", protocol, hashes, headers, invalidBlocks, validReceipts)
+ if err := tester.sync("withhold-attack", nil, mode); err == nil {
+ t.Fatalf("succeeded withholding attacker synchronisation")
+ }
+ if head := tester.headHeader().Number.Int64(); int(head) > 2*fsHeaderSafetyNet+MaxHeaderFetch {
+ t.Errorf("rollback head mismatch: have %v, want at most %v", head, 2*fsHeaderSafetyNet+MaxHeaderFetch)
}
if mode == FastSync {
- tester.newPeer("receipt attack", protocol, hashes, headers, validBlocks, invalidReceipts)
+ if head := tester.headBlock().NumberU64(); head != 0 {
+ t.Errorf("fast sync pivot block #%d not rolled back", head)
+ }
}
- // Synchronise with the valid peer (will pull contents from the attacker too)
- if err := tester.sync("valid", nil); err != nil {
+ // Synchronise with the valid peer and make sure sync succeeds. Since the last
+ // rollback should also disable fast syncing for this process, verify that we
+ // did a fresh full sync. Note, we can't assert anything about the receipts
+ // since we won't purge the database of them, hence we can't use asserOwnChain.
+ tester.newPeer("valid", protocol, hashes, headers, blocks, receipts)
+ if err := tester.sync("valid", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
- assertOwnChain(t, tester, targetBlocks+1)
-
- // Make sure the attacker was detected and dropped in the mean time
- if _, ok := tester.peerHashes["body attack"]; ok {
- t.Fatalf("block body attacker not detected/dropped")
+ if hs := len(tester.ownHeaders); hs != len(headers) {
+ t.Fatalf("synchronised headers mismatch: have %v, want %v", hs, len(headers))
}
- if _, ok := tester.peerHashes["receipt attack"]; ok {
- t.Fatalf("receipt attacker not detected/dropped")
+ if mode != LightSync {
+ if bs := len(tester.ownBlocks); bs != len(blocks) {
+ t.Fatalf("synchronised blocks mismatch: have %v, want %v", bs, len(blocks))
+ }
}
}
@@ -1164,11 +1188,11 @@ func TestHighTDStarvationAttack64Fast(t *testing.T) { testHighTDStarvationAttac
func TestHighTDStarvationAttack64Light(t *testing.T) { testHighTDStarvationAttack(t, 64, LightSync) }
func testHighTDStarvationAttack(t *testing.T, protocol int, mode SyncMode) {
- tester := newTester(mode)
+ tester := newTester()
hashes, headers, blocks, receipts := makeChain(0, 0, genesis, nil)
tester.newPeer("attack", protocol, []common.Hash{hashes[0]}, headers, blocks, receipts)
- if err := tester.sync("attack", big.NewInt(1000000)); err != errStallingPeer {
+ if err := tester.sync("attack", big.NewInt(1000000), mode); err != errStallingPeer {
t.Fatalf("synchronisation error mismatch: have %v, want %v", err, errStallingPeer)
}
}
@@ -1206,7 +1230,7 @@ func testBlockHeaderAttackerDropping(t *testing.T, protocol int) {
{errCancelBodyFetch, false}, // Synchronisation was canceled, origin may be innocent, don't drop
}
// Run the tests and check disconnection status
- tester := newTester(FullSync)
+ tester := newTester()
for i, tt := range tests {
// Register a new peer and ensure it's presence
id := fmt.Sprintf("test %d", i)
@@ -1219,120 +1243,125 @@ func testBlockHeaderAttackerDropping(t *testing.T, protocol int) {
// Simulate a synchronisation and check the required result
tester.downloader.synchroniseMock = func(string, common.Hash) error { return tt.result }
- tester.downloader.Synchronise(id, genesis.Hash(), big.NewInt(1000))
+ tester.downloader.Synchronise(id, genesis.Hash(), big.NewInt(1000), FullSync)
if _, ok := tester.peerHashes[id]; !ok != tt.drop {
t.Errorf("test %d: peer drop mismatch for %v: have %v, want %v", i, tt.result, !ok, tt.drop)
}
}
}
-// Tests that synchronisation boundaries (origin block number and highest block
-// number) is tracked and updated correctly.
-func TestSyncBoundaries61(t *testing.T) { testSyncBoundaries(t, 61, FullSync) }
-func TestSyncBoundaries62(t *testing.T) { testSyncBoundaries(t, 62, FullSync) }
-func TestSyncBoundaries63Full(t *testing.T) { testSyncBoundaries(t, 63, FullSync) }
-func TestSyncBoundaries63Fast(t *testing.T) { testSyncBoundaries(t, 63, FastSync) }
-func TestSyncBoundaries64Full(t *testing.T) { testSyncBoundaries(t, 64, FullSync) }
-func TestSyncBoundaries64Fast(t *testing.T) { testSyncBoundaries(t, 64, FastSync) }
-func TestSyncBoundaries64Light(t *testing.T) { testSyncBoundaries(t, 64, LightSync) }
-
-func testSyncBoundaries(t *testing.T, protocol int, mode SyncMode) {
+// Tests that synchronisation progress (origin block number, current block number
+// and highest block number) is tracked and updated correctly.
+func TestSyncProgress61(t *testing.T) { testSyncProgress(t, 61, FullSync) }
+func TestSyncProgress62(t *testing.T) { testSyncProgress(t, 62, FullSync) }
+func TestSyncProgress63Full(t *testing.T) { testSyncProgress(t, 63, FullSync) }
+func TestSyncProgress63Fast(t *testing.T) { testSyncProgress(t, 63, FastSync) }
+func TestSyncProgress64Full(t *testing.T) { testSyncProgress(t, 64, FullSync) }
+func TestSyncProgress64Fast(t *testing.T) { testSyncProgress(t, 64, FastSync) }
+func TestSyncProgress64Light(t *testing.T) { testSyncProgress(t, 64, LightSync) }
+
+func testSyncProgress(t *testing.T, protocol int, mode SyncMode) {
// Create a small enough block chain to download
targetBlocks := blockCacheLimit - 15
hashes, headers, blocks, receipts := makeChain(targetBlocks, 0, genesis, nil)
- // Set a sync init hook to catch boundary changes
+ // Set a sync init hook to catch progress changes
starting := make(chan struct{})
progress := make(chan struct{})
- tester := newTester(mode)
+ tester := newTester()
tester.downloader.syncInitHook = func(origin, latest uint64) {
starting <- struct{}{}
<-progress
}
- // Retrieve the sync boundaries and ensure they are zero (pristine sync)
- if origin, latest := tester.downloader.Boundaries(); origin != 0 || latest != 0 {
- t.Fatalf("Pristine boundary mismatch: have %v/%v, want %v/%v", origin, latest, 0, 0)
+ // Retrieve the sync progress and ensure they are zero (pristine sync)
+ if origin, current, latest := tester.downloader.Progress(); origin != 0 || current != 0 || latest != 0 {
+ t.Fatalf("Pristine progress mismatch: have %v/%v/%v, want %v/%v/%v", origin, current, latest, 0, 0, 0)
}
- // Synchronise half the blocks and check initial boundaries
+ // Synchronise half the blocks and check initial progress
tester.newPeer("peer-half", protocol, hashes[targetBlocks/2:], headers, blocks, receipts)
pending := new(sync.WaitGroup)
pending.Add(1)
go func() {
defer pending.Done()
- if err := tester.sync("peer-half", nil); err != nil {
+ if err := tester.sync("peer-half", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
}()
<-starting
- if origin, latest := tester.downloader.Boundaries(); origin != 0 || latest != uint64(targetBlocks/2+1) {
- t.Fatalf("Initial boundary mismatch: have %v/%v, want %v/%v", origin, latest, 0, targetBlocks/2+1)
+ if origin, current, latest := tester.downloader.Progress(); origin != 0 || current != 0 || latest != uint64(targetBlocks/2+1) {
+ t.Fatalf("Initial progress mismatch: have %v/%v/%v, want %v/%v/%v", origin, current, latest, 0, 0, targetBlocks/2+1)
}
progress <- struct{}{}
pending.Wait()
- // Synchronise all the blocks and check continuation boundaries
+ // Synchronise all the blocks and check continuation progress
tester.newPeer("peer-full", protocol, hashes, headers, blocks, receipts)
pending.Add(1)
go func() {
defer pending.Done()
- if err := tester.sync("peer-full", nil); err != nil {
+ if err := tester.sync("peer-full", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
}()
<-starting
- if origin, latest := tester.downloader.Boundaries(); origin != uint64(targetBlocks/2+1) || latest != uint64(targetBlocks) {
- t.Fatalf("Completing boundary mismatch: have %v/%v, want %v/%v", origin, latest, targetBlocks/2+1, targetBlocks)
+ if origin, current, latest := tester.downloader.Progress(); origin != uint64(targetBlocks/2+1) || current != uint64(targetBlocks/2+1) || latest != uint64(targetBlocks) {
+ t.Fatalf("Completing progress mismatch: have %v/%v/%v, want %v/%v/%v", origin, current, latest, targetBlocks/2+1, targetBlocks/2+1, targetBlocks)
}
progress <- struct{}{}
pending.Wait()
+
+ // Check final progress after successful sync
+ if origin, current, latest := tester.downloader.Progress(); origin != uint64(targetBlocks/2+1) || current != uint64(targetBlocks) || latest != uint64(targetBlocks) {
+ t.Fatalf("Final progress mismatch: have %v/%v/%v, want %v/%v/%v", origin, current, latest, targetBlocks/2+1, targetBlocks, targetBlocks)
+ }
}
-// Tests that synchronisation boundaries (origin block number and highest block
+// Tests that synchronisation progress (origin block number and highest block
// number) is tracked and updated correctly in case of a fork (or manual head
// revertal).
-func TestForkedSyncBoundaries61(t *testing.T) { testForkedSyncBoundaries(t, 61, FullSync) }
-func TestForkedSyncBoundaries62(t *testing.T) { testForkedSyncBoundaries(t, 62, FullSync) }
-func TestForkedSyncBoundaries63Full(t *testing.T) { testForkedSyncBoundaries(t, 63, FullSync) }
-func TestForkedSyncBoundaries63Fast(t *testing.T) { testForkedSyncBoundaries(t, 63, FastSync) }
-func TestForkedSyncBoundaries64Full(t *testing.T) { testForkedSyncBoundaries(t, 64, FullSync) }
-func TestForkedSyncBoundaries64Fast(t *testing.T) { testForkedSyncBoundaries(t, 64, FastSync) }
-func TestForkedSyncBoundaries64Light(t *testing.T) { testForkedSyncBoundaries(t, 64, LightSync) }
-
-func testForkedSyncBoundaries(t *testing.T, protocol int, mode SyncMode) {
+func TestForkedSyncProgress61(t *testing.T) { testForkedSyncProgress(t, 61, FullSync) }
+func TestForkedSyncProgress62(t *testing.T) { testForkedSyncProgress(t, 62, FullSync) }
+func TestForkedSyncProgress63Full(t *testing.T) { testForkedSyncProgress(t, 63, FullSync) }
+func TestForkedSyncProgress63Fast(t *testing.T) { testForkedSyncProgress(t, 63, FastSync) }
+func TestForkedSyncProgress64Full(t *testing.T) { testForkedSyncProgress(t, 64, FullSync) }
+func TestForkedSyncProgress64Fast(t *testing.T) { testForkedSyncProgress(t, 64, FastSync) }
+func TestForkedSyncProgress64Light(t *testing.T) { testForkedSyncProgress(t, 64, LightSync) }
+
+func testForkedSyncProgress(t *testing.T, protocol int, mode SyncMode) {
// Create a forked chain to simulate origin revertal
common, fork := MaxHashFetch, 2*MaxHashFetch
hashesA, hashesB, headersA, headersB, blocksA, blocksB, receiptsA, receiptsB := makeChainFork(common+fork, fork, genesis, nil)
- // Set a sync init hook to catch boundary changes
+ // Set a sync init hook to catch progress changes
starting := make(chan struct{})
progress := make(chan struct{})
- tester := newTester(mode)
+ tester := newTester()
tester.downloader.syncInitHook = func(origin, latest uint64) {
starting <- struct{}{}
<-progress
}
- // Retrieve the sync boundaries and ensure they are zero (pristine sync)
- if origin, latest := tester.downloader.Boundaries(); origin != 0 || latest != 0 {
- t.Fatalf("Pristine boundary mismatch: have %v/%v, want %v/%v", origin, latest, 0, 0)
+ // Retrieve the sync progress and ensure they are zero (pristine sync)
+ if origin, current, latest := tester.downloader.Progress(); origin != 0 || current != 0 || latest != 0 {
+ t.Fatalf("Pristine progress mismatch: have %v/%v/%v, want %v/%v/%v", origin, current, latest, 0, 0, 0)
}
- // Synchronise with one of the forks and check boundaries
+ // Synchronise with one of the forks and check progress
tester.newPeer("fork A", protocol, hashesA, headersA, blocksA, receiptsA)
pending := new(sync.WaitGroup)
pending.Add(1)
go func() {
defer pending.Done()
- if err := tester.sync("fork A", nil); err != nil {
+ if err := tester.sync("fork A", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
}()
<-starting
- if origin, latest := tester.downloader.Boundaries(); origin != 0 || latest != uint64(len(hashesA)-1) {
- t.Fatalf("Initial boundary mismatch: have %v/%v, want %v/%v", origin, latest, 0, len(hashesA)-1)
+ if origin, current, latest := tester.downloader.Progress(); origin != 0 || current != 0 || latest != uint64(len(hashesA)-1) {
+ t.Fatalf("Initial progress mismatch: have %v/%v/%v, want %v/%v/%v", origin, current, latest, 0, 0, len(hashesA)-1)
}
progress <- struct{}{}
pending.Wait()
@@ -1340,52 +1369,57 @@ func testForkedSyncBoundaries(t *testing.T, protocol int, mode SyncMode) {
// Simulate a successful sync above the fork
tester.downloader.syncStatsChainOrigin = tester.downloader.syncStatsChainHeight
- // Synchronise with the second fork and check boundary resets
+ // Synchronise with the second fork and check progress resets
tester.newPeer("fork B", protocol, hashesB, headersB, blocksB, receiptsB)
pending.Add(1)
go func() {
defer pending.Done()
- if err := tester.sync("fork B", nil); err != nil {
+ if err := tester.sync("fork B", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
}()
<-starting
- if origin, latest := tester.downloader.Boundaries(); origin != uint64(common) || latest != uint64(len(hashesB)-1) {
- t.Fatalf("Forking boundary mismatch: have %v/%v, want %v/%v", origin, latest, common, len(hashesB)-1)
+ if origin, current, latest := tester.downloader.Progress(); origin != uint64(common) || current != uint64(len(hashesA)-1) || latest != uint64(len(hashesB)-1) {
+ t.Fatalf("Forking progress mismatch: have %v/%v/%v, want %v/%v/%v", origin, current, latest, common, len(hashesA)-1, len(hashesB)-1)
}
progress <- struct{}{}
pending.Wait()
+
+ // Check final progress after successful sync
+ if origin, current, latest := tester.downloader.Progress(); origin != uint64(common) || current != uint64(len(hashesB)-1) || latest != uint64(len(hashesB)-1) {
+ t.Fatalf("Final progress mismatch: have %v/%v/%v, want %v/%v/%v", origin, current, latest, common, len(hashesB)-1, len(hashesB)-1)
+ }
}
-// Tests that if synchronisation is aborted due to some failure, then the boundary
+// Tests that if synchronisation is aborted due to some failure, then the progress
// origin is not updated in the next sync cycle, as it should be considered the
// continuation of the previous sync and not a new instance.
-func TestFailedSyncBoundaries61(t *testing.T) { testFailedSyncBoundaries(t, 61, FullSync) }
-func TestFailedSyncBoundaries62(t *testing.T) { testFailedSyncBoundaries(t, 62, FullSync) }
-func TestFailedSyncBoundaries63Full(t *testing.T) { testFailedSyncBoundaries(t, 63, FullSync) }
-func TestFailedSyncBoundaries63Fast(t *testing.T) { testFailedSyncBoundaries(t, 63, FastSync) }
-func TestFailedSyncBoundaries64Full(t *testing.T) { testFailedSyncBoundaries(t, 64, FullSync) }
-func TestFailedSyncBoundaries64Fast(t *testing.T) { testFailedSyncBoundaries(t, 64, FastSync) }
-func TestFailedSyncBoundaries64Light(t *testing.T) { testFailedSyncBoundaries(t, 64, LightSync) }
-
-func testFailedSyncBoundaries(t *testing.T, protocol int, mode SyncMode) {
+func TestFailedSyncProgress61(t *testing.T) { testFailedSyncProgress(t, 61, FullSync) }
+func TestFailedSyncProgress62(t *testing.T) { testFailedSyncProgress(t, 62, FullSync) }
+func TestFailedSyncProgress63Full(t *testing.T) { testFailedSyncProgress(t, 63, FullSync) }
+func TestFailedSyncProgress63Fast(t *testing.T) { testFailedSyncProgress(t, 63, FastSync) }
+func TestFailedSyncProgress64Full(t *testing.T) { testFailedSyncProgress(t, 64, FullSync) }
+func TestFailedSyncProgress64Fast(t *testing.T) { testFailedSyncProgress(t, 64, FastSync) }
+func TestFailedSyncProgress64Light(t *testing.T) { testFailedSyncProgress(t, 64, LightSync) }
+
+func testFailedSyncProgress(t *testing.T, protocol int, mode SyncMode) {
// Create a small enough block chain to download
targetBlocks := blockCacheLimit - 15
hashes, headers, blocks, receipts := makeChain(targetBlocks, 0, genesis, nil)
- // Set a sync init hook to catch boundary changes
+ // Set a sync init hook to catch progress changes
starting := make(chan struct{})
progress := make(chan struct{})
- tester := newTester(mode)
+ tester := newTester()
tester.downloader.syncInitHook = func(origin, latest uint64) {
starting <- struct{}{}
<-progress
}
- // Retrieve the sync boundaries and ensure they are zero (pristine sync)
- if origin, latest := tester.downloader.Boundaries(); origin != 0 || latest != 0 {
- t.Fatalf("Pristine boundary mismatch: have %v/%v, want %v/%v", origin, latest, 0, 0)
+ // Retrieve the sync progress and ensure they are zero (pristine sync)
+ if origin, current, latest := tester.downloader.Progress(); origin != 0 || current != 0 || latest != 0 {
+ t.Fatalf("Pristine progress mismatch: have %v/%v/%v, want %v/%v/%v", origin, current, latest, 0, 0, 0)
}
// Attempt a full sync with a faulty peer
tester.newPeer("faulty", protocol, hashes, headers, blocks, receipts)
@@ -1399,62 +1433,67 @@ func testFailedSyncBoundaries(t *testing.T, protocol int, mode SyncMode) {
go func() {
defer pending.Done()
- if err := tester.sync("faulty", nil); err == nil {
+ if err := tester.sync("faulty", nil, mode); err == nil {
t.Fatalf("succeeded faulty synchronisation")
}
}()
<-starting
- if origin, latest := tester.downloader.Boundaries(); origin != 0 || latest != uint64(targetBlocks) {
- t.Fatalf("Initial boundary mismatch: have %v/%v, want %v/%v", origin, latest, 0, targetBlocks)
+ if origin, current, latest := tester.downloader.Progress(); origin != 0 || current != 0 || latest != uint64(targetBlocks) {
+ t.Fatalf("Initial progress mismatch: have %v/%v/%v, want %v/%v/%v", origin, current, latest, 0, 0, targetBlocks)
}
progress <- struct{}{}
pending.Wait()
- // Synchronise with a good peer and check that the boundary origin remind the same after a failure
+ // Synchronise with a good peer and check that the progress origin remind the same after a failure
tester.newPeer("valid", protocol, hashes, headers, blocks, receipts)
pending.Add(1)
go func() {
defer pending.Done()
- if err := tester.sync("valid", nil); err != nil {
+ if err := tester.sync("valid", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
}()
<-starting
- if origin, latest := tester.downloader.Boundaries(); origin != 0 || latest != uint64(targetBlocks) {
- t.Fatalf("Completing boundary mismatch: have %v/%v, want %v/%v", origin, latest, 0, targetBlocks)
+ if origin, current, latest := tester.downloader.Progress(); origin != 0 || current > uint64(targetBlocks/2) || latest != uint64(targetBlocks) {
+ t.Fatalf("Completing progress mismatch: have %v/%v/%v, want %v/0-%v/%v", origin, current, latest, 0, targetBlocks/2, targetBlocks)
}
progress <- struct{}{}
pending.Wait()
+
+ // Check final progress after successful sync
+ if origin, current, latest := tester.downloader.Progress(); origin > uint64(targetBlocks/2) || current != uint64(targetBlocks) || latest != uint64(targetBlocks) {
+ t.Fatalf("Final progress mismatch: have %v/%v/%v, want 0-%v/%v/%v", origin, current, latest, targetBlocks/2, targetBlocks, targetBlocks)
+ }
}
// Tests that if an attacker fakes a chain height, after the attack is detected,
-// the boundary height is successfully reduced at the next sync invocation.
-func TestFakedSyncBoundaries61(t *testing.T) { testFakedSyncBoundaries(t, 61, FullSync) }
-func TestFakedSyncBoundaries62(t *testing.T) { testFakedSyncBoundaries(t, 62, FullSync) }
-func TestFakedSyncBoundaries63Full(t *testing.T) { testFakedSyncBoundaries(t, 63, FullSync) }
-func TestFakedSyncBoundaries63Fast(t *testing.T) { testFakedSyncBoundaries(t, 63, FastSync) }
-func TestFakedSyncBoundaries64Full(t *testing.T) { testFakedSyncBoundaries(t, 64, FullSync) }
-func TestFakedSyncBoundaries64Fast(t *testing.T) { testFakedSyncBoundaries(t, 64, FastSync) }
-func TestFakedSyncBoundaries64Light(t *testing.T) { testFakedSyncBoundaries(t, 64, LightSync) }
-
-func testFakedSyncBoundaries(t *testing.T, protocol int, mode SyncMode) {
+// the progress height is successfully reduced at the next sync invocation.
+func TestFakedSyncProgress61(t *testing.T) { testFakedSyncProgress(t, 61, FullSync) }
+func TestFakedSyncProgress62(t *testing.T) { testFakedSyncProgress(t, 62, FullSync) }
+func TestFakedSyncProgress63Full(t *testing.T) { testFakedSyncProgress(t, 63, FullSync) }
+func TestFakedSyncProgress63Fast(t *testing.T) { testFakedSyncProgress(t, 63, FastSync) }
+func TestFakedSyncProgress64Full(t *testing.T) { testFakedSyncProgress(t, 64, FullSync) }
+func TestFakedSyncProgress64Fast(t *testing.T) { testFakedSyncProgress(t, 64, FastSync) }
+func TestFakedSyncProgress64Light(t *testing.T) { testFakedSyncProgress(t, 64, LightSync) }
+
+func testFakedSyncProgress(t *testing.T, protocol int, mode SyncMode) {
// Create a small block chain
targetBlocks := blockCacheLimit - 15
hashes, headers, blocks, receipts := makeChain(targetBlocks+3, 0, genesis, nil)
- // Set a sync init hook to catch boundary changes
+ // Set a sync init hook to catch progress changes
starting := make(chan struct{})
progress := make(chan struct{})
- tester := newTester(mode)
+ tester := newTester()
tester.downloader.syncInitHook = func(origin, latest uint64) {
starting <- struct{}{}
<-progress
}
- // Retrieve the sync boundaries and ensure they are zero (pristine sync)
- if origin, latest := tester.downloader.Boundaries(); origin != 0 || latest != 0 {
- t.Fatalf("Pristine boundary mismatch: have %v/%v, want %v/%v", origin, latest, 0, 0)
+ // Retrieve the sync progress and ensure they are zero (pristine sync)
+ if origin, current, latest := tester.downloader.Progress(); origin != 0 || current != 0 || latest != 0 {
+ t.Fatalf("Pristine progress mismatch: have %v/%v/%v, want %v/%v/%v", origin, current, latest, 0, 0, 0)
}
// Create and sync with an attacker that promises a higher chain than available
tester.newPeer("attack", protocol, hashes, headers, blocks, receipts)
@@ -1469,31 +1508,36 @@ func testFakedSyncBoundaries(t *testing.T, protocol int, mode SyncMode) {
go func() {
defer pending.Done()
- if err := tester.sync("attack", nil); err == nil {
+ if err := tester.sync("attack", nil, mode); err == nil {
t.Fatalf("succeeded attacker synchronisation")
}
}()
<-starting
- if origin, latest := tester.downloader.Boundaries(); origin != 0 || latest != uint64(targetBlocks+3) {
- t.Fatalf("Initial boundary mismatch: have %v/%v, want %v/%v", origin, latest, 0, targetBlocks+3)
+ if origin, current, latest := tester.downloader.Progress(); origin != 0 || current != 0 || latest != uint64(targetBlocks+3) {
+ t.Fatalf("Initial progress mismatch: have %v/%v/%v, want %v/%v/%v", origin, current, latest, 0, 0, targetBlocks+3)
}
progress <- struct{}{}
pending.Wait()
- // Synchronise with a good peer and check that the boundary height has been reduced to the true value
+ // Synchronise with a good peer and check that the progress height has been reduced to the true value
tester.newPeer("valid", protocol, hashes[3:], headers, blocks, receipts)
pending.Add(1)
go func() {
defer pending.Done()
- if err := tester.sync("valid", nil); err != nil {
+ if err := tester.sync("valid", nil, mode); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
}()
<-starting
- if origin, latest := tester.downloader.Boundaries(); origin != 0 || latest != uint64(targetBlocks) {
- t.Fatalf("Initial boundary mismatch: have %v/%v, want %v/%v", origin, latest, 0, targetBlocks)
+ if origin, current, latest := tester.downloader.Progress(); origin != 0 || current > uint64(targetBlocks) || latest != uint64(targetBlocks) {
+ t.Fatalf("Completing progress mismatch: have %v/%v/%v, want %v/0-%v/%v", origin, current, latest, 0, targetBlocks, targetBlocks)
}
progress <- struct{}{}
pending.Wait()
+
+ // Check final progress after successful sync
+ if origin, current, latest := tester.downloader.Progress(); origin > uint64(targetBlocks) || current != uint64(targetBlocks) || latest != uint64(targetBlocks) {
+ t.Fatalf("Final progress mismatch: have %v/%v/%v, want 0-%v/%v/%v", origin, current, latest, targetBlocks, targetBlocks, targetBlocks)
+ }
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-17 09:56:16 +0800