diff options
Diffstat (limited to 'eth/downloader/downloader_test.go')
| -rw-r--r-- | eth/downloader/downloader_test.go | 337 |
1 files changed, 259 insertions, 78 deletions
diff --git a/eth/downloader/downloader_test.go b/eth/downloader/downloader_test.go index 7e3456433..8d009b671 100644 --- a/eth/downloader/downloader_test.go +++ b/eth/downloader/downloader_test.go @@ -27,20 +27,39 @@ import ( "github.com/ethereum/go-ethereum/common" "github.com/ethereum/go-ethereum/core" "github.com/ethereum/go-ethereum/core/types" + "github.com/ethereum/go-ethereum/crypto" "github.com/ethereum/go-ethereum/ethdb" "github.com/ethereum/go-ethereum/event" + "github.com/ethereum/go-ethereum/params" ) var ( - testdb, _ = ethdb.NewMemDatabase() - genesis = core.GenesisBlockForTesting(testdb, common.Address{}, big.NewInt(0)) + testdb, _ = ethdb.NewMemDatabase() + testKey, _ = crypto.HexToECDSA("b71c71a67e1177ad4e901695e1b4b9ee17ae16c6668d313eac2f96dbcda3f291") + testAddress = crypto.PubkeyToAddress(testKey.PublicKey) + genesis = core.GenesisBlockForTesting(testdb, testAddress, big.NewInt(1000000000)) ) -// makeChain creates a chain of n blocks starting at but not including -// parent. the returned hash chain is ordered head->parent. +// makeChain creates a chain of n blocks starting at and including parent. +// the returned hash chain is ordered head->parent. In addition, every 3rd block +// contains a transaction and every 5th an uncle to allow testing correct block +// reassembly. func makeChain(n int, seed byte, parent *types.Block) ([]common.Hash, map[common.Hash]*types.Block) { - blocks := core.GenerateChain(parent, testdb, n, func(i int, gen *core.BlockGen) { - gen.SetCoinbase(common.Address{seed}) + blocks := core.GenerateChain(parent, testdb, n, func(i int, block *core.BlockGen) { + block.SetCoinbase(common.Address{seed}) + + // If the block number is multiple of 3, send a bonus transaction to the miner + if parent == genesis && i%3 == 0 { + tx, err := types.NewTransaction(block.TxNonce(testAddress), common.Address{seed}, big.NewInt(1000), params.TxGas, nil, nil).SignECDSA(testKey) + if err != nil { + panic(err) + } + block.AddTx(tx) + } + // If the block number is a multiple of 5, add a bonus uncle to the block + if i%5 == 0 { + block.AddUncle(&types.Header{ParentHash: block.PrevBlock(i - 1).Hash(), Number: big.NewInt(int64(i - 1))}) + } }) hashes := make([]common.Hash, n+1) hashes[len(hashes)-1] = parent.Hash() @@ -78,8 +97,6 @@ type downloadTester struct { ownBlocks map[common.Hash]*types.Block // Blocks belonging to the tester peerHashes map[string][]common.Hash // Hash chain belonging to different test peers peerBlocks map[string]map[common.Hash]*types.Block // Blocks belonging to different test peers - - maxHashFetch int // Overrides the maximum number of retrieved hashes } // newTester creates a new downloader test mocker. @@ -156,7 +173,9 @@ func (dl *downloadTester) newPeer(id string, version int, hashes []common.Hash, // specific delay time on processing the network packets sent to it, simulating // potentially slow network IO. func (dl *downloadTester) newSlowPeer(id string, version int, hashes []common.Hash, blocks map[common.Hash]*types.Block, delay time.Duration) error { - err := dl.downloader.RegisterPeer(id, version, hashes[0], dl.peerGetRelHashesFn(id, delay), dl.peerGetAbsHashesFn(id, version, delay), dl.peerGetBlocksFn(id, delay)) + err := dl.downloader.RegisterPeer(id, version, hashes[0], + dl.peerGetRelHashesFn(id, delay), dl.peerGetAbsHashesFn(id, delay), dl.peerGetBlocksFn(id, delay), + nil, dl.peerGetAbsHeadersFn(id, delay), dl.peerGetBodiesFn(id, delay)) if err == nil { // Assign the owned hashes and blocks to the peer (deep copy) dl.peerHashes[id] = make([]common.Hash, len(hashes)) @@ -184,13 +203,9 @@ func (dl *downloadTester) peerGetRelHashesFn(id string, delay time.Duration) fun return func(head common.Hash) error { time.Sleep(delay) - limit := MaxHashFetch - if dl.maxHashFetch > 0 { - limit = dl.maxHashFetch - } // Gather the next batch of hashes hashes := dl.peerHashes[id] - result := make([]common.Hash, 0, limit) + result := make([]common.Hash, 0, MaxHashFetch) for i, hash := range hashes { if hash == head { i++ @@ -204,7 +219,7 @@ func (dl *downloadTester) peerGetRelHashesFn(id string, delay time.Duration) fun // Delay delivery a bit to allow attacks to unfold go func() { time.Sleep(time.Millisecond) - dl.downloader.DeliverHashes(id, result) + dl.downloader.DeliverHashes61(id, result) }() return nil } @@ -213,24 +228,20 @@ func (dl *downloadTester) peerGetRelHashesFn(id string, delay time.Duration) fun // peerGetAbsHashesFn constructs a GetHashesFromNumber function associated with // a particular peer in the download tester. The returned function can be used to // retrieve batches of hashes from the particularly requested peer. -func (dl *downloadTester) peerGetAbsHashesFn(id string, version int, delay time.Duration) func(uint64, int) error { +func (dl *downloadTester) peerGetAbsHashesFn(id string, delay time.Duration) func(uint64, int) error { return func(head uint64, count int) error { time.Sleep(delay) - limit := count - if dl.maxHashFetch > 0 { - limit = dl.maxHashFetch - } // Gather the next batch of hashes hashes := dl.peerHashes[id] - result := make([]common.Hash, 0, limit) - for i := 0; i < limit && len(hashes)-int(head)-1-i >= 0; i++ { + result := make([]common.Hash, 0, count) + for i := 0; i < count && len(hashes)-int(head)-1-i >= 0; i++ { result = append(result, hashes[len(hashes)-int(head)-1-i]) } // Delay delivery a bit to allow attacks to unfold go func() { time.Sleep(time.Millisecond) - dl.downloader.DeliverHashes(id, result) + dl.downloader.DeliverHashes61(id, result) }() return nil } @@ -249,7 +260,55 @@ func (dl *downloadTester) peerGetBlocksFn(id string, delay time.Duration) func([ result = append(result, block) } } - go dl.downloader.DeliverBlocks(id, result) + go dl.downloader.DeliverBlocks61(id, result) + + return nil + } +} + +// peerGetAbsHeadersFn constructs a GetBlockHeaders function based on a numbered +// origin; associated with a particular peer in the download tester. The returned +// function can be used to retrieve batches of headers from the particular peer. +func (dl *downloadTester) peerGetAbsHeadersFn(id string, delay time.Duration) func(uint64, int, int, bool) error { + return func(origin uint64, amount int, skip int, reverse bool) error { + time.Sleep(delay) + + // Gather the next batch of hashes + hashes := dl.peerHashes[id] + blocks := dl.peerBlocks[id] + result := make([]*types.Header, 0, amount) + for i := 0; i < amount && len(hashes)-int(origin)-1-i >= 0; i++ { + if block, ok := blocks[hashes[len(hashes)-int(origin)-1-i]]; ok { + result = append(result, block.Header()) + } + } + // Delay delivery a bit to allow attacks to unfold + go func() { + time.Sleep(time.Millisecond) + dl.downloader.DeliverHeaders(id, result) + }() + return nil + } +} + +// peerGetBodiesFn constructs a getBlockBodies method associated with a particular +// peer in the download tester. The returned function can be used to retrieve +// batches of block bodies from the particularly requested peer. +func (dl *downloadTester) peerGetBodiesFn(id string, delay time.Duration) func([]common.Hash) error { + return func(hashes []common.Hash) error { + time.Sleep(delay) + blocks := dl.peerBlocks[id] + + transactions := make([][]*types.Transaction, 0, len(hashes)) + uncles := make([][]*types.Header, 0, len(hashes)) + + for _, hash := range hashes { + if block, ok := blocks[hash]; ok { + transactions = append(transactions, block.Transactions()) + uncles = append(uncles, block.Uncles()) + } + } + go dl.downloader.DeliverBodies(id, transactions, uncles) return nil } @@ -258,13 +317,18 @@ func (dl *downloadTester) peerGetBlocksFn(id string, delay time.Duration) func([ // Tests that simple synchronization against a canonical chain works correctly. // In this test common ancestor lookup should be short circuited and not require // binary searching. -func TestCanonicalSynchronisation61(t *testing.T) { +func TestCanonicalSynchronisation61(t *testing.T) { testCanonicalSynchronisation(t, 61) } +func TestCanonicalSynchronisation62(t *testing.T) { testCanonicalSynchronisation(t, 62) } +func TestCanonicalSynchronisation63(t *testing.T) { testCanonicalSynchronisation(t, 63) } +func TestCanonicalSynchronisation64(t *testing.T) { testCanonicalSynchronisation(t, 64) } + +func testCanonicalSynchronisation(t *testing.T, protocol int) { // Create a small enough block chain to download targetBlocks := blockCacheLimit - 15 hashes, blocks := makeChain(targetBlocks, 0, genesis) tester := newTester() - tester.newPeer("peer", eth61, hashes, blocks) + tester.newPeer("peer", protocol, hashes, blocks) // Synchronise with the peer and make sure all blocks were retrieved if err := tester.sync("peer", nil); err != nil { @@ -277,7 +341,10 @@ func TestCanonicalSynchronisation61(t *testing.T) { // Tests that if a large batch of blocks are being downloaded, it is throttled // until the cached blocks are retrieved. -func TestThrottling61(t *testing.T) { testThrottling(t, eth61) } +func TestThrottling61(t *testing.T) { testThrottling(t, 61) } +func TestThrottling62(t *testing.T) { testThrottling(t, 62) } +func TestThrottling63(t *testing.T) { testThrottling(t, 63) } +func TestThrottling64(t *testing.T) { testThrottling(t, 64) } func testThrottling(t *testing.T, protocol int) { // Create a long block chain to download and the tester @@ -288,11 +355,10 @@ func testThrottling(t *testing.T, protocol int) { tester.newPeer("peer", protocol, hashes, blocks) // Wrap the importer to allow stepping - done := make(chan int) - tester.downloader.insertChain = func(blocks types.Blocks) (int, error) { - n, err := tester.insertChain(blocks) - done <- n - return n, err + blocked, proceed := uint32(0), make(chan struct{}) + tester.downloader.chainInsertHook = func(blocks []*Block) { + atomic.StoreUint32(&blocked, uint32(len(blocks))) + <-proceed } // Start a synchronisation concurrently errc := make(chan error) @@ -303,27 +369,25 @@ func testThrottling(t *testing.T, protocol int) { for len(tester.ownBlocks) < targetBlocks+1 { // Wait a bit for sync to throttle itself var cached int - for start := time.Now(); time.Since(start) < 3*time.Second; { + for start := time.Now(); time.Since(start) < time.Second; { time.Sleep(25 * time.Millisecond) cached = len(tester.downloader.queue.blockPool) - if cached == blockCacheLimit || len(tester.ownBlocks)+cached == targetBlocks+1 { + if cached == blockCacheLimit || len(tester.ownBlocks)+cached+int(atomic.LoadUint32(&blocked)) == 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 < targetBlocks+1 { - t.Fatalf("block count mismatch: have %v, want %v", cached, blockCacheLimit) + 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) } - <-done // finish previous blocking import - for cached > maxBlockProcess { - cached -= <-done + // Permit the blocked blocks to import + if atomic.LoadUint32(&blocked) > 0 { + atomic.StoreUint32(&blocked, uint32(0)) + proceed <- struct{}{} } - time.Sleep(25 * time.Millisecond) // yield to the insertion } - <-done // finish the last blocking import - // Check that we haven't pulled more blocks than available if len(tester.ownBlocks) > targetBlocks+1 { t.Fatalf("target block count mismatch: have %v, want %v", len(tester.ownBlocks), targetBlocks+1) @@ -336,14 +400,19 @@ func testThrottling(t *testing.T, protocol int) { // Tests that simple synchronization against a forked chain works correctly. In // this test common ancestor lookup should *not* be short circuited, and a full // binary search should be executed. -func TestForkedSynchronisation61(t *testing.T) { +func TestForkedSynchronisation61(t *testing.T) { testForkedSynchronisation(t, 61) } +func TestForkedSynchronisation62(t *testing.T) { testForkedSynchronisation(t, 62) } +func TestForkedSynchronisation63(t *testing.T) { testForkedSynchronisation(t, 63) } +func TestForkedSynchronisation64(t *testing.T) { testForkedSynchronisation(t, 64) } + +func testForkedSynchronisation(t *testing.T, protocol int) { // Create a long enough forked chain common, fork := MaxHashFetch, 2*MaxHashFetch hashesA, hashesB, blocksA, blocksB := makeChainFork(common+fork, fork, genesis) tester := newTester() - tester.newPeer("fork A", eth61, hashesA, blocksA) - tester.newPeer("fork B", eth61, hashesB, blocksB) + tester.newPeer("fork A", protocol, hashesA, blocksA) + tester.newPeer("fork B", protocol, hashesB, blocksB) // Synchronise with the peer and make sure all blocks were retrieved if err := tester.sync("fork A", nil); err != nil { @@ -362,20 +431,36 @@ func TestForkedSynchronisation61(t *testing.T) { } // Tests that an inactive downloader will not accept incoming hashes and blocks. -func TestInactiveDownloader(t *testing.T) { +func TestInactiveDownloader61(t *testing.T) { tester := newTester() // Check that neither hashes nor blocks are accepted - if err := tester.downloader.DeliverHashes("bad peer", []common.Hash{}); err != errNoSyncActive { + if err := tester.downloader.DeliverHashes61("bad peer", []common.Hash{}); err != errNoSyncActive { + t.Errorf("error mismatch: have %v, want %v", err, errNoSyncActive) + } + if err := tester.downloader.DeliverBlocks61("bad peer", []*types.Block{}); err != errNoSyncActive { + t.Errorf("error mismatch: have %v, want %v", err, errNoSyncActive) + } +} + +// Tests that an inactive downloader will not accept incoming block headers and bodies. +func TestInactiveDownloader62(t *testing.T) { + tester := newTester() + + // Check that neither block headers nor bodies are accepted + if err := tester.downloader.DeliverHeaders("bad peer", []*types.Header{}); err != errNoSyncActive { t.Errorf("error mismatch: have %v, want %v", err, errNoSyncActive) } - if err := tester.downloader.DeliverBlocks("bad peer", []*types.Block{}); err != errNoSyncActive { + if err := tester.downloader.DeliverBodies("bad peer", [][]*types.Transaction{}, [][]*types.Header{}); err != errNoSyncActive { t.Errorf("error mismatch: have %v, want %v", err, errNoSyncActive) } } // Tests that a canceled download wipes all previously accumulated state. -func TestCancel61(t *testing.T) { testCancel(t, eth61) } +func TestCancel61(t *testing.T) { testCancel(t, 61) } +func TestCancel62(t *testing.T) { testCancel(t, 62) } +func TestCancel63(t *testing.T) { testCancel(t, 63) } +func TestCancel64(t *testing.T) { testCancel(t, 64) } func testCancel(t *testing.T, protocol int) { // Create a small enough block chain to download and the tester @@ -383,6 +468,9 @@ func testCancel(t *testing.T, protocol int) { if targetBlocks >= MaxHashFetch { targetBlocks = MaxHashFetch - 15 } + if targetBlocks >= MaxHeaderFetch { + targetBlocks = MaxHeaderFetch - 15 + } hashes, blocks := makeChain(targetBlocks, 0, genesis) tester := newTester() @@ -390,27 +478,30 @@ func testCancel(t *testing.T, protocol int) { // Make sure canceling works with a pristine downloader tester.downloader.cancel() - hashCount, blockCount := tester.downloader.queue.Size() - if hashCount > 0 || blockCount > 0 { - t.Errorf("block or hash count mismatch: %d hashes, %d blocks, want 0", hashCount, blockCount) + downloading, importing := tester.downloader.queue.Size() + if downloading > 0 || importing > 0 { + t.Errorf("download or import count mismatch: %d downloading, %d importing, want 0", downloading, importing) } // Synchronise with the peer, but cancel afterwards if err := tester.sync("peer", nil); err != nil { t.Fatalf("failed to synchronise blocks: %v", err) } tester.downloader.cancel() - hashCount, blockCount = tester.downloader.queue.Size() - if hashCount > 0 || blockCount > 0 { - t.Errorf("block or hash count mismatch: %d hashes, %d blocks, want 0", hashCount, blockCount) + downloading, importing = tester.downloader.queue.Size() + if downloading > 0 || importing > 0 { + t.Errorf("download or import count mismatch: %d downloading, %d importing, want 0", downloading, importing) } } // Tests that synchronisation from multiple peers works as intended (multi thread sanity test). -func TestMultiSynchronisation61(t *testing.T) { testMultiSynchronisation(t, eth61) } +func TestMultiSynchronisation61(t *testing.T) { testMultiSynchronisation(t, 61) } +func TestMultiSynchronisation62(t *testing.T) { testMultiSynchronisation(t, 62) } +func TestMultiSynchronisation63(t *testing.T) { testMultiSynchronisation(t, 63) } +func TestMultiSynchronisation64(t *testing.T) { testMultiSynchronisation(t, 64) } func testMultiSynchronisation(t *testing.T, protocol int) { // Create various peers with various parts of the chain - targetPeers := 16 + targetPeers := 8 targetBlocks := targetPeers*blockCacheLimit - 15 hashes, blocks := makeChain(targetBlocks, 0, genesis) @@ -436,45 +527,130 @@ func testMultiSynchronisation(t *testing.T, protocol int) { } } +// Tests that if a block is empty (i.e. header only), no body request should be +// made, and instead the header should be assembled into a whole block in itself. +func TestEmptyBlockShortCircuit62(t *testing.T) { testEmptyBlockShortCircuit(t, 62) } +func TestEmptyBlockShortCircuit63(t *testing.T) { testEmptyBlockShortCircuit(t, 63) } +func TestEmptyBlockShortCircuit64(t *testing.T) { testEmptyBlockShortCircuit(t, 64) } + +func testEmptyBlockShortCircuit(t *testing.T, protocol int) { + // Create a small enough block chain to download + targetBlocks := blockCacheLimit - 15 + hashes, blocks := makeChain(targetBlocks, 0, genesis) + + tester := newTester() + tester.newPeer("peer", protocol, hashes, blocks) + + // Instrument the downloader to signal body requests + requested := int32(0) + tester.downloader.bodyFetchHook = func(headers []*types.Header) { + atomic.AddInt32(&requested, int32(len(headers))) + } + // Synchronise with the peer and make sure all blocks were retrieved + if err := tester.sync("peer", nil); err != nil { + t.Fatalf("failed to synchronise blocks: %v", err) + } + if imported := len(tester.ownBlocks); imported != targetBlocks+1 { + t.Fatalf("synchronised block mismatch: have %v, want %v", imported, targetBlocks+1) + } + // Validate the number of block bodies that should have been requested + needed := 0 + for _, block := range blocks { + if block != genesis && (len(block.Transactions()) > 0 || len(block.Uncles()) > 0) { + needed++ + } + } + if int(requested) != needed { + t.Fatalf("block body retrieval count mismatch: have %v, want %v", requested, needed) + } +} + +// Tests that if a peer sends an invalid body for a requested block, it gets +// dropped immediately by the downloader. +func TestInvalidBlockBodyAttack62(t *testing.T) { testInvalidBlockBodyAttack(t, 62) } +func TestInvalidBlockBodyAttack63(t *testing.T) { testInvalidBlockBodyAttack(t, 63) } +func TestInvalidBlockBodyAttack64(t *testing.T) { testInvalidBlockBodyAttack(t, 64) } + +func testInvalidBlockBodyAttack(t *testing.T, protocol int) { + // Create two peers, one feeding invalid block bodies + targetBlocks := 4*blockCacheLimit - 15 + hashes, validBlocks := makeChain(targetBlocks, 0, genesis) + + invalidBlocks := make(map[common.Hash]*types.Block) + for hash, block := range validBlocks { + invalidBlocks[hash] = types.NewBlockWithHeader(block.Header()) + } + + tester := newTester() + tester.newPeer("valid", protocol, hashes, validBlocks) + tester.newPeer("attack", protocol, hashes, invalidBlocks) + + // Synchronise with the valid peer (will pull contents from the attacker too) + if err := tester.sync("valid", nil); err != nil { + t.Fatalf("failed to synchronise blocks: %v", err) + } + if imported := len(tester.ownBlocks); imported != len(hashes) { + t.Fatalf("synchronised block mismatch: have %v, want %v", imported, len(hashes)) + } + // Make sure the attacker was detected and dropped in the mean time + if _, ok := tester.peerHashes["attack"]; ok { + t.Fatalf("block body attacker not detected/dropped") + } +} + // Tests that a peer advertising an high TD doesn't get to stall the downloader // afterwards by not sending any useful hashes. -func TestHighTDStarvationAttack61(t *testing.T) { +func TestHighTDStarvationAttack61(t *testing.T) { testHighTDStarvationAttack(t, 61) } +func TestHighTDStarvationAttack62(t *testing.T) { testHighTDStarvationAttack(t, 62) } +func TestHighTDStarvationAttack63(t *testing.T) { testHighTDStarvationAttack(t, 63) } +func TestHighTDStarvationAttack64(t *testing.T) { testHighTDStarvationAttack(t, 64) } + +func testHighTDStarvationAttack(t *testing.T, protocol int) { tester := newTester() - tester.newPeer("attack", eth61, []common.Hash{genesis.Hash()}, nil) + hashes, blocks := makeChain(0, 0, genesis) + + tester.newPeer("attack", protocol, []common.Hash{hashes[0]}, blocks) if err := tester.sync("attack", big.NewInt(1000000)); err != errStallingPeer { t.Fatalf("synchronisation error mismatch: have %v, want %v", err, errStallingPeer) } } // Tests that misbehaving peers are disconnected, whilst behaving ones are not. -func TestHashAttackerDropping(t *testing.T) { +func TestBlockHeaderAttackerDropping61(t *testing.T) { testBlockHeaderAttackerDropping(t, 61) } +func TestBlockHeaderAttackerDropping62(t *testing.T) { testBlockHeaderAttackerDropping(t, 62) } +func TestBlockHeaderAttackerDropping63(t *testing.T) { testBlockHeaderAttackerDropping(t, 63) } +func TestBlockHeaderAttackerDropping64(t *testing.T) { testBlockHeaderAttackerDropping(t, 64) } + +func testBlockHeaderAttackerDropping(t *testing.T, protocol int) { // Define the disconnection requirement for individual hash fetch errors tests := []struct { result error drop bool }{ - {nil, false}, // Sync succeeded, all is well - {errBusy, false}, // Sync is already in progress, no problem - {errUnknownPeer, false}, // Peer is unknown, was already dropped, don't double drop - {errBadPeer, true}, // Peer was deemed bad for some reason, drop it - {errStallingPeer, true}, // Peer was detected to be stalling, drop it - {errBannedHead, true}, // Peer's head hash is a known bad hash, drop it - {errNoPeers, false}, // No peers to download from, soft race, no issue - {errPendingQueue, false}, // There are blocks still cached, wait to exhaust, no issue - {errTimeout, true}, // No hashes received in due time, drop the peer - {errEmptyHashSet, true}, // No hashes were returned as a response, drop as it's a dead end - {errPeersUnavailable, true}, // Nobody had the advertised blocks, drop the advertiser - {errInvalidChain, true}, // Hash chain was detected as invalid, definitely drop - {errCrossCheckFailed, true}, // Hash-origin failed to pass a block cross check, drop - {errCancelHashFetch, false}, // Synchronisation was canceled, origin may be innocent, don't drop - {errCancelBlockFetch, false}, // Synchronisation was canceled, origin may be innocent, don't drop + {nil, false}, // Sync succeeded, all is well + {errBusy, false}, // Sync is already in progress, no problem + {errUnknownPeer, false}, // Peer is unknown, was already dropped, don't double drop + {errBadPeer, true}, // Peer was deemed bad for some reason, drop it + {errStallingPeer, true}, // Peer was detected to be stalling, drop it + {errNoPeers, false}, // No peers to download from, soft race, no issue + {errPendingQueue, false}, // There are blocks still cached, wait to exhaust, no issue + {errTimeout, true}, // No hashes received in due time, drop the peer + {errEmptyHashSet, true}, // No hashes were returned as a response, drop as it's a dead end + {errEmptyHeaderSet, true}, // No headers were returned as a response, drop as it's a dead end + {errPeersUnavailable, true}, // Nobody had the advertised blocks, drop the advertiser + {errInvalidChain, true}, // Hash chain was detected as invalid, definitely drop + {errInvalidBody, false}, // A bad peer was detected, but not the sync origin + {errCancelHashFetch, false}, // Synchronisation was canceled, origin may be innocent, don't drop + {errCancelBlockFetch, false}, // Synchronisation was canceled, origin may be innocent, don't drop + {errCancelHeaderFetch, false}, // Synchronisation was canceled, origin may be innocent, don't drop + {errCancelBodyFetch, false}, // Synchronisation was canceled, origin may be innocent, don't drop } // Run the tests and check disconnection status tester := newTester() for i, tt := range tests { // Register a new peer and ensure it's presence id := fmt.Sprintf("test %d", i) - if err := tester.newPeer(id, eth61, []common.Hash{genesis.Hash()}, nil); err != nil { + if err := tester.newPeer(id, protocol, []common.Hash{genesis.Hash()}, nil); err != nil { t.Fatalf("test %d: failed to register new peer: %v", i, err) } if _, ok := tester.peerHashes[id]; !ok { @@ -491,7 +667,12 @@ func TestHashAttackerDropping(t *testing.T) { } // Tests that feeding bad blocks will result in a peer drop. -func TestBlockAttackerDropping(t *testing.T) { +func TestBlockBodyAttackerDropping61(t *testing.T) { testBlockBodyAttackerDropping(t, 61) } +func TestBlockBodyAttackerDropping62(t *testing.T) { testBlockBodyAttackerDropping(t, 62) } +func TestBlockBodyAttackerDropping63(t *testing.T) { testBlockBodyAttackerDropping(t, 63) } +func TestBlockBodyAttackerDropping64(t *testing.T) { testBlockBodyAttackerDropping(t, 64) } + +func testBlockBodyAttackerDropping(t *testing.T, protocol int) { // Define the disconnection requirement for individual block import errors tests := []struct { failure bool @@ -506,7 +687,7 @@ func TestBlockAttackerDropping(t *testing.T) { for i, tt := range tests { // Register a new peer and ensure it's presence id := fmt.Sprintf("test %d", i) - if err := tester.newPeer(id, eth61, []common.Hash{common.Hash{}}, nil); err != nil { + if err := tester.newPeer(id, protocol, []common.Hash{common.Hash{}}, nil); err != nil { t.Fatalf("test %d: failed to register new peer: %v", i, err) } if _, ok := tester.peerHashes[id]; !ok { |