eth/downloader: fix #992, where tests may time out on a slow machine
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@ -472,6 +472,9 @@ func TestMadeupHashChainAttack(t *testing.T) {
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// Tests that if a malicious peer makes up a random block chain, and tried to
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// Tests that if a malicious peer makes up a random block chain, and tried to
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// push indefinitely, it actually gets caught with it.
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// push indefinitely, it actually gets caught with it.
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func TestMadeupBlockChainAttack(t *testing.T) {
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func TestMadeupBlockChainAttack(t *testing.T) {
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defaultBlockTTL := blockTTL
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defaultCrossCheckCycle := crossCheckCycle
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blockTTL = 100 * time.Millisecond
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blockTTL = 100 * time.Millisecond
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crossCheckCycle = 25 * time.Millisecond
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crossCheckCycle = 25 * time.Millisecond
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@ -490,6 +493,9 @@ func TestMadeupBlockChainAttack(t *testing.T) {
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t.Fatalf("synchronisation error mismatch: have %v, want %v", err, ErrCrossCheckFailed)
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t.Fatalf("synchronisation error mismatch: have %v, want %v", err, ErrCrossCheckFailed)
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}
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}
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// Ensure that a valid chain can still pass sync
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// Ensure that a valid chain can still pass sync
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blockTTL = defaultBlockTTL
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crossCheckCycle = defaultCrossCheckCycle
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tester.hashes = hashes
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tester.hashes = hashes
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tester.newPeer("valid", big.NewInt(20000), hashes[0])
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tester.newPeer("valid", big.NewInt(20000), hashes[0])
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if _, err := tester.syncTake("valid", hashes[0]); err != nil {
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if _, err := tester.syncTake("valid", hashes[0]); err != nil {
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