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Diffstat (limited to 'eth/downloader/downloader_test.go')
-rw-r--r--eth/downloader/downloader_test.go70
1 files changed, 38 insertions, 32 deletions
diff --git a/eth/downloader/downloader_test.go b/eth/downloader/downloader_test.go
index 7feca8782..0e9b58005 100644
--- a/eth/downloader/downloader_test.go
+++ b/eth/downloader/downloader_test.go
@@ -16,6 +16,11 @@ import (
"github.com/ethereum/go-ethereum/event"
)
+const (
+ eth60 = 60
+ eth61 = 61
+)
+
var (
testdb, _ = ethdb.NewMemDatabase()
genesis = core.GenesisBlockForTesting(testdb, common.Address{}, big.NewInt(0))
@@ -112,15 +117,15 @@ func (dl *downloadTester) insertChain(blocks types.Blocks) (int, error) {
}
// newPeer registers a new block download source into the downloader.
-func (dl *downloadTester) newPeer(id string, hashes []common.Hash, blocks map[common.Hash]*types.Block) error {
- return dl.newSlowPeer(id, hashes, blocks, 0)
+func (dl *downloadTester) newPeer(id string, version int, hashes []common.Hash, blocks map[common.Hash]*types.Block) error {
+ return dl.newSlowPeer(id, version, hashes, blocks, 0)
}
// newSlowPeer registers a new block download source into the downloader, with a
// specific delay time on processing the network packets sent to it, simulating
// potentially slow network IO.
-func (dl *downloadTester) newSlowPeer(id string, hashes []common.Hash, blocks map[common.Hash]*types.Block, delay time.Duration) error {
- err := dl.downloader.RegisterPeer(id, hashes[0], dl.peerGetHashesFn(id, delay), dl.peerGetBlocksFn(id, delay))
+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.peerGetHashesFn(id, delay), dl.peerGetBlocksFn(id, delay))
if err == nil {
// Assign the owned hashes and blocks to the peer (deep copy)
dl.peerHashes[id] = make([]common.Hash, len(hashes))
@@ -201,7 +206,7 @@ func TestSynchronisation(t *testing.T) {
hashes, blocks := makeChain(targetBlocks, 0, genesis)
tester := newTester()
- tester.newPeer("peer", hashes, blocks)
+ tester.newPeer("peer", eth60, hashes, blocks)
// Synchronise with the peer and make sure all blocks were retrieved
if err := tester.sync("peer"); err != nil {
@@ -232,7 +237,7 @@ func TestCancel(t *testing.T) {
hashes, blocks := makeChain(targetBlocks, 0, genesis)
tester := newTester()
- tester.newPeer("peer", hashes, blocks)
+ tester.newPeer("peer", eth60, hashes, blocks)
// Make sure canceling works with a pristine downloader
tester.downloader.cancel()
@@ -259,7 +264,7 @@ func TestThrottling(t *testing.T) {
hashes, blocks := makeChain(targetBlocks, 0, genesis)
tester := newTester()
- tester.newPeer("peer", hashes, blocks)
+ tester.newPeer("peer", eth60, hashes, blocks)
// Wrap the importer to allow stepping
done := make(chan int)
@@ -317,7 +322,7 @@ func TestMultiSynchronisation(t *testing.T) {
tester := newTester()
for i := 0; i < targetPeers; i++ {
id := fmt.Sprintf("peer #%d", i)
- tester.newPeer(id, hashes[i*blockCacheLimit:], blocks)
+ tester.newPeer(id, eth60, hashes[i*blockCacheLimit:], blocks)
}
// Synchronise with the middle peer and make sure half of the blocks were retrieved
id := fmt.Sprintf("peer #%d", targetPeers/2)
@@ -347,8 +352,8 @@ func TestSlowSynchronisation(t *testing.T) {
targetIODelay := time.Second
hashes, blocks := makeChain(targetBlocks, 0, genesis)
- tester.newSlowPeer("fast", hashes, blocks, 0)
- tester.newSlowPeer("slow", hashes, blocks, targetIODelay)
+ tester.newSlowPeer("fast", eth60, hashes, blocks, 0)
+ tester.newSlowPeer("slow", eth60, hashes, blocks, targetIODelay)
// Try to sync with the peers (pull hashes from fast)
start := time.Now()
@@ -370,13 +375,14 @@ func TestSlowSynchronisation(t *testing.T) {
func TestNonExistingParentAttack(t *testing.T) {
tester := newTester()
+ // Forge a single-link chain with a forged header
hashes, blocks := makeChain(1, 0, genesis)
- tester.newPeer("valid", hashes, blocks)
+ tester.newPeer("valid", eth60, hashes, blocks)
wrongblock := types.NewBlock(&types.Header{}, nil, nil, nil)
wrongblock.Td = blocks[hashes[0]].Td
hashes, blocks = makeChain(1, 0, wrongblock)
- tester.newPeer("attack", hashes, blocks)
+ tester.newPeer("attack", eth60, hashes, blocks)
// Try and sync with the malicious node and check that it fails
if err := tester.sync("attack"); err == nil {
@@ -401,8 +407,8 @@ func TestRepeatingHashAttack(t *testing.T) { // TODO: Is this thing valid??
// Create a valid chain, but drop the last link
hashes, blocks := makeChain(blockCacheLimit, 0, genesis)
- tester.newPeer("valid", hashes, blocks)
- tester.newPeer("attack", hashes[:len(hashes)-1], blocks)
+ tester.newPeer("valid", eth60, hashes, blocks)
+ tester.newPeer("attack", eth60, hashes[:len(hashes)-1], blocks)
// Try and sync with the malicious node
errc := make(chan error)
@@ -431,10 +437,10 @@ func TestNonExistingBlockAttack(t *testing.T) {
// Create a valid chain, but forge the last link
hashes, blocks := makeChain(blockCacheLimit, 0, genesis)
- tester.newPeer("valid", hashes, blocks)
+ tester.newPeer("valid", eth60, hashes, blocks)
hashes[len(hashes)/2] = common.Hash{}
- tester.newPeer("attack", hashes, blocks)
+ tester.newPeer("attack", eth60, hashes, blocks)
// Try and sync with the malicious node and check that it fails
if err := tester.sync("attack"); err != errPeersUnavailable {
@@ -453,7 +459,7 @@ func TestInvalidHashOrderAttack(t *testing.T) {
// Create a valid long chain, but reverse some hashes within
hashes, blocks := makeChain(4*blockCacheLimit, 0, genesis)
- tester.newPeer("valid", hashes, blocks)
+ tester.newPeer("valid", eth60, hashes, blocks)
chunk1 := make([]common.Hash, blockCacheLimit)
chunk2 := make([]common.Hash, blockCacheLimit)
@@ -462,7 +468,7 @@ func TestInvalidHashOrderAttack(t *testing.T) {
copy(hashes[2*blockCacheLimit:], chunk1)
copy(hashes[blockCacheLimit:], chunk2)
- tester.newPeer("attack", hashes, blocks)
+ tester.newPeer("attack", eth60, hashes, blocks)
// Try and sync with the malicious node and check that it fails
if err := tester.sync("attack"); err != errInvalidChain {
@@ -489,8 +495,8 @@ func TestMadeupHashChainAttack(t *testing.T) {
rand.Read(randomHashes[i][:])
}
- tester.newPeer("valid", hashes, blocks)
- tester.newPeer("attack", randomHashes, nil)
+ tester.newPeer("valid", eth60, hashes, blocks)
+ tester.newPeer("attack", eth60, randomHashes, nil)
// Try and sync with the malicious node and check that it fails
if err := tester.sync("attack"); err != errCrossCheckFailed {
@@ -517,7 +523,7 @@ func TestMadeupHashChainDrippingAttack(t *testing.T) {
// Try and sync with the attacker, one hash at a time
tester.maxHashFetch = 1
- tester.newPeer("attack", randomHashes, nil)
+ tester.newPeer("attack", eth60, randomHashes, nil)
if err := tester.sync("attack"); err != errStallingPeer {
t.Fatalf("synchronisation error mismatch: have %v, want %v", err, errStallingPeer)
}
@@ -540,7 +546,7 @@ func TestMadeupBlockChainAttack(t *testing.T) {
}
// Try and sync with the malicious node and check that it fails
tester := newTester()
- tester.newPeer("attack", gapped, blocks)
+ tester.newPeer("attack", eth60, gapped, blocks)
if err := tester.sync("attack"); err != errCrossCheckFailed {
t.Fatalf("synchronisation error mismatch: have %v, want %v", err, errCrossCheckFailed)
}
@@ -548,13 +554,13 @@ func TestMadeupBlockChainAttack(t *testing.T) {
blockSoftTTL = defaultBlockTTL
crossCheckCycle = defaultCrossCheckCycle
- tester.newPeer("valid", hashes, blocks)
+ tester.newPeer("valid", eth60, hashes, blocks)
if err := tester.sync("valid"); err != nil {
t.Fatalf("failed to synchronise blocks: %v", err)
}
}
-// tests that if one/multiple malicious peers try to feed a banned blockchain to
+// Tests that if one/multiple malicious peers try to feed a banned blockchain to
// the downloader, it will not keep refetching the same chain indefinitely, but
// gradually block pieces of it, until its head is also blocked.
func TestBannedChainStarvationAttack(t *testing.T) {
@@ -565,8 +571,8 @@ func TestBannedChainStarvationAttack(t *testing.T) {
// Create the tester and ban the selected hash.
tester := newTester()
tester.downloader.banned.Add(forkHashes[fork-1])
- tester.newPeer("valid", hashes, blocks)
- tester.newPeer("attack", forkHashes, forkBlocks)
+ tester.newPeer("valid", eth60, hashes, blocks)
+ tester.newPeer("attack", eth60, forkHashes, forkBlocks)
// Iteratively try to sync, and verify that the banned hash list grows until
// the head of the invalid chain is blocked too.
@@ -586,7 +592,7 @@ func TestBannedChainStarvationAttack(t *testing.T) {
banned = bans
}
// Check that after banning an entire chain, bad peers get dropped
- if err := tester.newPeer("new attacker", forkHashes, forkBlocks); err != errBannedHead {
+ if err := tester.newPeer("new attacker", eth60, forkHashes, forkBlocks); err != errBannedHead {
t.Fatalf("peer registration mismatch: have %v, want %v", err, errBannedHead)
}
if peer := tester.downloader.peers.Peer("new attacker"); peer != nil {
@@ -618,8 +624,8 @@ func TestBannedChainMemoryExhaustionAttack(t *testing.T) {
MaxBlockFetch = 4
maxBannedHashes = 256
- tester.newPeer("valid", hashes, blocks)
- tester.newPeer("attack", forkHashes, forkBlocks)
+ tester.newPeer("valid", eth60, hashes, blocks)
+ tester.newPeer("attack", eth60, forkHashes, forkBlocks)
// Iteratively try to sync, and verify that the banned hash list grows until
// the head of the invalid chain is blocked too.
@@ -664,7 +670,7 @@ func TestOverlappingDeliveryAttack(t *testing.T) {
// Register an attacker that always returns non-requested blocks too
tester := newTester()
- tester.newPeer("attack", hashes, blocks)
+ tester.newPeer("attack", eth60, hashes, blocks)
rawGetBlocks := tester.downloader.peers.Peer("attack").getBlocks
tester.downloader.peers.Peer("attack").getBlocks = func(request []common.Hash) error {
@@ -712,7 +718,7 @@ func TestHashAttackerDropping(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, []common.Hash{genesis.Hash()}, nil); err != nil {
+ if err := tester.newPeer(id, eth60, []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 {
@@ -744,7 +750,7 @@ 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, []common.Hash{common.Hash{}}, nil); err != nil {
+ if err := tester.newPeer(id, eth60, []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 {
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-26 12:12:40 +0800