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Fix raft applied index out of range #880
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ec9ee2b
fix raft applied index out of range
zzy96 3a8251f
raft: add unit tests for applied index fix in PR #880
trung 214296c
Merge branch 'master' into fix-raft-applied-index-out-of-range
zzy96 9036022
cleaning for test
zzy96 86c631e
Merge branch 'master' into fix-raft-applied-index-out-of-range
zzy96 5bb5952
fix raft handler test because of dns change
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,155 @@ | ||
| package raft | ||
|
|
||
| import ( | ||
| "crypto/ecdsa" | ||
| "fmt" | ||
| "io/ioutil" | ||
| "net" | ||
| "os" | ||
| "reflect" | ||
| "testing" | ||
| "time" | ||
| "unsafe" | ||
|
|
||
| "github.com/ethereum/go-ethereum/core" | ||
| "github.com/ethereum/go-ethereum/crypto" | ||
| "github.com/ethereum/go-ethereum/eth" | ||
| "github.com/ethereum/go-ethereum/event" | ||
| "github.com/ethereum/go-ethereum/log" | ||
| "github.com/ethereum/go-ethereum/node" | ||
| "github.com/ethereum/go-ethereum/p2p" | ||
| "github.com/ethereum/go-ethereum/p2p/enode" | ||
| "github.com/ethereum/go-ethereum/params" | ||
| ) | ||
|
|
||
| // pm.advanceAppliedIndex() and state updates are in different | ||
| // transaction boundaries hence there's a probablity that they are | ||
| // out of sync due to premature shutdown | ||
| func TestProtocolManager_whenAppliedIndexOutOfSync(t *testing.T) { | ||
| tmpWorkingDir, err := ioutil.TempDir("", "") | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| defer func() { | ||
| _ = os.RemoveAll(tmpWorkingDir) | ||
| }() | ||
| count := 3 | ||
| ports := make([]uint16, count) | ||
| nodeKeys := make([]*ecdsa.PrivateKey, count) | ||
| peers := make([]*enode.Node, count) | ||
| for i := 0; i < count; i++ { | ||
| ports[i] = nextPort(t) | ||
| nodeKeys[i] = mustNewNodeKey(t) | ||
| peers[i] = enode.NewV4(&(nodeKeys[i].PublicKey), net.IPv4(127, 0, 0, 1), 0, 0, int(ports[i])) | ||
| } | ||
| raftNodes := make([]*RaftService, count) | ||
| for i := 0; i < count; i++ { | ||
| if s, err := startRaftNode(uint16(i+1), ports[i], tmpWorkingDir, nodeKeys[i], peers); err != nil { | ||
| t.Fatal(err) | ||
| } else { | ||
| raftNodes[i] = s | ||
| } | ||
| } | ||
| waitFunc := func() { | ||
| for { | ||
| time.Sleep(200 * time.Millisecond) | ||
| for i := 0; i < count; i++ { | ||
| if raftNodes[i].raftProtocolManager.role == minterRole { | ||
| return | ||
| } | ||
| } | ||
| } | ||
| } | ||
| waitFunc() | ||
| // update the index to mimic the issue (set applied index behind for node 0) | ||
| raftNodes[0].raftProtocolManager.advanceAppliedIndex(1) | ||
| // now stop and restart the nodes | ||
| for i := 0; i < count; i++ { | ||
| if err := raftNodes[i].Stop(); err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| } | ||
| log.Debug("restart raft cluster") | ||
| for i := 0; i < count; i++ { | ||
| if s, err := startRaftNode(uint16(i+1), ports[i], tmpWorkingDir, nodeKeys[i], peers); err != nil { | ||
| t.Fatal(err) | ||
| } else { | ||
| raftNodes[i] = s | ||
| } | ||
| } | ||
| waitFunc() | ||
| } | ||
|
|
||
| func mustNewNodeKey(t *testing.T) *ecdsa.PrivateKey { | ||
| k, err := crypto.GenerateKey() | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| return k | ||
| } | ||
|
|
||
| func nextPort(t *testing.T) uint16 { | ||
| listener, err := net.Listen("tcp", ":0") | ||
| if err != nil { | ||
| t.Fatal(err) | ||
| } | ||
| return uint16(listener.Addr().(*net.TCPAddr).Port) | ||
| } | ||
|
|
||
| func prepareServiceContext(key *ecdsa.PrivateKey) (ctx *node.ServiceContext, cfg *node.Config, err error) { | ||
| defer func() { | ||
| if r := recover(); r != nil { | ||
| err = fmt.Errorf("%s", r) | ||
| ctx = nil | ||
| cfg = nil | ||
| } | ||
| }() | ||
| cfg = &node.Config{ | ||
| P2P: p2p.Config{ | ||
| PrivateKey: key, | ||
| }, | ||
| } | ||
| ctx = &node.ServiceContext{ | ||
| EventMux: new(event.TypeMux), | ||
| } | ||
| // config is private field so we need some workaround to set the value | ||
| configField := reflect.ValueOf(ctx).Elem().FieldByName("config") | ||
| configField = reflect.NewAt(configField.Type(), unsafe.Pointer(configField.UnsafeAddr())).Elem() | ||
| configField.Set(reflect.ValueOf(cfg)) | ||
| return | ||
| } | ||
|
|
||
| func startRaftNode(id, port uint16, tmpWorkingDir string, key *ecdsa.PrivateKey, nodes []*enode.Node) (*RaftService, error) { | ||
| datadir := fmt.Sprintf("%s/node%d", tmpWorkingDir, id) | ||
|
|
||
| ctx, _, err := prepareServiceContext(key) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| e, err := eth.New(ctx, ð.Config{ | ||
| Genesis: &core.Genesis{Config: params.QuorumTestChainConfig}, | ||
| }) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| s, err := New(ctx, params.QuorumTestChainConfig, id, port, false, 100*time.Millisecond, e, nodes, datadir, false) | ||
| if err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| srv := &p2p.Server{ | ||
| Config: p2p.Config{ | ||
| PrivateKey: key, | ||
| }, | ||
| } | ||
| if err := srv.Start(); err != nil { | ||
| return nil, fmt.Errorf("could not start: %v", err) | ||
| } | ||
| if err := s.Start(srv); err != nil { | ||
| return nil, err | ||
| } | ||
|
|
||
| return s, nil | ||
| } |
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