feat: chain node: Move consensus slasher to internal service
This commit is contained in:
parent
50a86f2161
commit
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179
chain/gen/slashfilter/slashsvc/slashservice.go
Normal file
179
chain/gen/slashfilter/slashsvc/slashservice.go
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@ -0,0 +1,179 @@
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package slashsvc
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import (
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"context"
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"time"
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"github.com/ipfs/go-cid"
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levelds "github.com/ipfs/go-ds-leveldb"
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logging "github.com/ipfs/go-log/v2"
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ldbopts "github.com/syndtr/goleveldb/leveldb/opt"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-address"
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cborutil "github.com/filecoin-project/go-cbor-util"
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"github.com/filecoin-project/go-state-types/builtin"
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"github.com/filecoin-project/specs-actors/actors/builtin/miner"
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lapi "github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/chain/actors"
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"github.com/filecoin-project/lotus/chain/gen/slashfilter"
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"github.com/filecoin-project/lotus/chain/types"
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)
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var log = logging.Logger("slashsvc")
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type ConsensusSlasherApi interface {
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ChainHead(context.Context) (*types.TipSet, error)
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ChainGetBlock(context.Context, cid.Cid) (*types.BlockHeader, error)
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MpoolPushMessage(ctx context.Context, msg *types.Message, spec *lapi.MessageSendSpec) (*types.SignedMessage, error)
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SyncIncomingBlocks(context.Context) (<-chan *types.BlockHeader, error)
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WalletDefaultAddress(context.Context) (address.Address, error)
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}
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func SlashConsensus(ctx context.Context, a ConsensusSlasherApi, p string, from string) error {
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var fromAddr address.Address
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ds, err := levelds.NewDatastore(p, &levelds.Options{
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Compression: ldbopts.NoCompression,
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NoSync: false,
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Strict: ldbopts.StrictAll,
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ReadOnly: false,
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})
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if err != nil {
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return xerrors.Errorf("open leveldb: %w", err)
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}
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sf := slashfilter.New(ds)
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if from == "" {
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defaddr, err := a.WalletDefaultAddress(ctx)
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if err != nil {
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return err
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}
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fromAddr = defaddr
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} else {
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addr, err := address.NewFromString(from)
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if err != nil {
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return err
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}
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fromAddr = addr
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}
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blocks, err := a.SyncIncomingBlocks(ctx)
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if err != nil {
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return xerrors.Errorf("sync incoming blocks failed: %w", err)
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}
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log.Infow("consensus fault reporter", "from", fromAddr)
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go func() {
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for block := range blocks {
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otherBlock, extraBlock, fault, err := slashFilterMinedBlock(ctx, sf, a, block)
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if err != nil {
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log.Errorf("slash detector errored: %s", err)
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continue
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}
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if fault {
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log.Errorf("<!!> SLASH FILTER DETECTED FAULT DUE TO BLOCKS %s and %s", otherBlock.Cid(), block.Cid())
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bh1, err := cborutil.Dump(otherBlock)
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if err != nil {
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log.Errorf("could not dump otherblock:%s, err:%s", otherBlock.Cid(), err)
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continue
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}
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bh2, err := cborutil.Dump(block)
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if err != nil {
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log.Errorf("could not dump block:%s, err:%s", block.Cid(), err)
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continue
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}
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params := miner.ReportConsensusFaultParams{
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BlockHeader1: bh1,
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BlockHeader2: bh2,
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}
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if extraBlock != nil {
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be, err := cborutil.Dump(extraBlock)
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if err != nil {
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log.Errorf("could not dump block:%s, err:%s", block.Cid(), err)
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continue
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}
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params.BlockHeaderExtra = be
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}
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enc, err := actors.SerializeParams(¶ms)
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if err != nil {
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log.Errorf("could not serialize declare faults parameters: %s", err)
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continue
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}
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for {
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head, err := a.ChainHead(ctx)
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if err != nil || head.Height() > block.Height {
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break
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}
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time.Sleep(time.Second * 10)
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}
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message, err := a.MpoolPushMessage(ctx, &types.Message{
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To: block.Miner,
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From: fromAddr,
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Value: types.NewInt(0),
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Method: builtin.MethodsMiner.ReportConsensusFault,
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Params: enc,
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}, nil)
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if err != nil {
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log.Errorf("ReportConsensusFault to messagepool error:%s", err)
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continue
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}
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log.Infof("ReportConsensusFault message CID:%s", message.Cid())
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}
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}
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}()
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return nil
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}
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func slashFilterMinedBlock(ctx context.Context, sf *slashfilter.SlashFilter, a ConsensusSlasherApi, blockB *types.BlockHeader) (*types.BlockHeader, *types.BlockHeader, bool, error) {
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blockC, err := a.ChainGetBlock(ctx, blockB.Parents[0])
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if err != nil {
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return nil, nil, false, xerrors.Errorf("chain get block error:%s", err)
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}
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blockACid, fault, err := sf.MinedBlock(ctx, blockB, blockC.Height)
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if err != nil {
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return nil, nil, false, xerrors.Errorf("slash filter check block error:%s", err)
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}
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if !fault {
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return nil, nil, false, nil
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}
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blockA, err := a.ChainGetBlock(ctx, blockACid)
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if err != nil {
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return nil, nil, false, xerrors.Errorf("failed to get blockA: %w", err)
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}
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// (a) double-fork mining (2 blocks at one epoch)
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if blockA.Height == blockB.Height {
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return blockA, nil, true, nil
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}
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// (b) time-offset mining faults (2 blocks with the same parents)
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if types.CidArrsEqual(blockB.Parents, blockA.Parents) {
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return blockA, nil, true, nil
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}
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// (c) parent-grinding fault
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// Here extra is the "witness", a third block that shows the connection between A and B as
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// A's sibling and B's parent.
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// Specifically, since A is of lower height, it must be that B was mined omitting A from its tipset
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//
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// B
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// |
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// [A, C]
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if types.CidArrsEqual(blockA.Parents, blockC.Parents) && blockA.Height == blockC.Height &&
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types.CidArrsContains(blockB.Parents, blockC.Cid()) && !types.CidArrsContains(blockB.Parents, blockA.Cid()) {
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return blockA, blockC, true, nil
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}
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log.Error("unexpectedly reached end of slashFilterMinedBlock despite fault being reported!")
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return nil, nil, false, nil
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}
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@ -16,11 +16,9 @@ import (
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"strings"
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"github.com/DataDog/zstd"
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levelds "github.com/ipfs/go-ds-leveldb"
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metricsprom "github.com/ipfs/go-metrics-prometheus"
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"github.com/mitchellh/go-homedir"
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"github.com/multiformats/go-multiaddr"
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ldbopts "github.com/syndtr/goleveldb/leveldb/opt"
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"github.com/urfave/cli/v2"
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"go.opencensus.io/plugin/runmetrics"
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"go.opencensus.io/stats"
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@ -29,19 +27,13 @@ import (
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"golang.org/x/xerrors"
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"gopkg.in/cheggaaa/pb.v1"
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"github.com/filecoin-project/go-address"
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cborutil "github.com/filecoin-project/go-cbor-util"
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"github.com/filecoin-project/go-jsonrpc"
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"github.com/filecoin-project/go-paramfetch"
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"github.com/filecoin-project/go-state-types/builtin"
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"github.com/filecoin-project/specs-actors/actors/builtin/miner"
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lapi "github.com/filecoin-project/lotus/api"
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"github.com/filecoin-project/lotus/build"
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"github.com/filecoin-project/lotus/chain/actors"
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"github.com/filecoin-project/lotus/chain/consensus"
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"github.com/filecoin-project/lotus/chain/consensus/filcns"
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"github.com/filecoin-project/lotus/chain/gen/slashfilter"
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"github.com/filecoin-project/lotus/chain/index"
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"github.com/filecoin-project/lotus/chain/stmgr"
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"github.com/filecoin-project/lotus/chain/store"
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@ -168,19 +160,6 @@ var DaemonCmd = &cli.Command{
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Name: "restore-config",
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Usage: "config file to use when restoring from backup",
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},
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&cli.BoolFlag{
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Name: "slash-consensus",
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Usage: "Report consensus fault",
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Value: false,
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},
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&cli.StringFlag{
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Name: "slasher-sender",
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Usage: "optionally specify the account to report consensus from",
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},
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&cli.StringFlag{
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Name: "slashdb-dir",
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Value: "slash watch db dir path",
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},
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},
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Action: func(cctx *cli.Context) error {
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isLite := cctx.Bool("lite")
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@ -401,14 +380,7 @@ var DaemonCmd = &cli.Command{
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if err != nil {
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return fmt.Errorf("failed to start json-rpc endpoint: %s", err)
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}
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if cctx.IsSet("slash-consensus") && cctx.IsSet("slashdb-dir") {
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go func() {
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err := slashConsensus(api, cctx.String("slashdb-dir"), cctx.String("slasher-sender"))
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if err != nil {
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panic("slashConsensus error: " + err.Error())
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}
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}()
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}
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// Monitor for shutdown.
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finishCh := node.MonitorShutdown(shutdownChan,
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node.ShutdownHandler{Component: "rpc server", StopFunc: rpcStopper},
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@ -602,140 +574,3 @@ func ImportChain(ctx context.Context, r repo.Repo, fname string, snapshot bool)
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return nil
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}
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func slashConsensus(a lapi.FullNode, p string, from string) error {
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ctx := context.Background()
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var fromAddr address.Address
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ds, err := levelds.NewDatastore(p, &levelds.Options{
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Compression: ldbopts.NoCompression,
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NoSync: false,
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Strict: ldbopts.StrictAll,
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ReadOnly: false,
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})
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if err != nil {
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return xerrors.Errorf("open leveldb: %w", err)
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}
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sf := slashfilter.New(ds)
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if from == "" {
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defaddr, err := a.WalletDefaultAddress(ctx)
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if err != nil {
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return err
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}
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fromAddr = defaddr
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} else {
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addr, err := address.NewFromString(from)
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if err != nil {
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return err
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}
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fromAddr = addr
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}
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blocks, err := a.SyncIncomingBlocks(ctx)
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if err != nil {
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return xerrors.Errorf("sync incoming blocks failed: %w", err)
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}
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for block := range blocks {
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log.Infof("deal with block: %d, %v, %s", block.Height, block.Miner, block.Cid())
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otherBlock, extraBlock, fault, err := slashFilterMinedBlock(ctx, sf, a, block)
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if err != nil {
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log.Errorf("slash detector errored: %s", err)
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continue
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}
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if fault {
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log.Errorf("<!!> SLASH FILTER DETECTED FAULT DUE TO BLOCKS %s and %s", otherBlock.Cid(), block.Cid())
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bh1, err := cborutil.Dump(otherBlock)
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if err != nil {
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log.Errorf("could not dump otherblock:%s, err:%s", otherBlock.Cid(), err)
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continue
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}
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bh2, err := cborutil.Dump(block)
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if err != nil {
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log.Errorf("could not dump block:%s, err:%s", block.Cid(), err)
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continue
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}
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params := miner.ReportConsensusFaultParams{
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BlockHeader1: bh1,
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BlockHeader2: bh2,
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}
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if extraBlock != nil {
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be, err := cborutil.Dump(extraBlock)
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if err != nil {
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log.Errorf("could not dump block:%s, err:%s", block.Cid(), err)
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continue
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}
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params.BlockHeaderExtra = be
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}
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enc, err := actors.SerializeParams(¶ms)
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if err != nil {
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log.Errorf("could not serialize declare faults parameters: %s", err)
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continue
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}
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message, err := a.MpoolPushMessage(ctx, &types.Message{
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To: block.Miner,
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From: fromAddr,
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Value: types.NewInt(0),
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Method: builtin.MethodsMiner.ReportConsensusFault,
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Params: enc,
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}, nil)
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if err != nil {
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log.Errorf("ReportConsensusFault to messagepool error:%s", err)
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continue
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}
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log.Infof("ReportConsensusFault message CID:%s", message.Cid())
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}
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}
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return err
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}
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func slashFilterMinedBlock(ctx context.Context, sf *slashfilter.SlashFilter, a lapi.FullNode, blockB *types.BlockHeader) (*types.BlockHeader, *types.BlockHeader, bool, error) {
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blockC, err := a.ChainGetBlock(ctx, blockB.Parents[0])
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if err != nil {
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return nil, nil, false, xerrors.Errorf("chain get block error:%s", err)
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}
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blockACid, fault, err := sf.MinedBlock(ctx, blockB, blockC.Height)
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if err != nil {
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return nil, nil, false, xerrors.Errorf("slash filter check block error:%s", err)
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}
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if !fault {
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return nil, nil, false, nil
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}
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blockA, err := a.ChainGetBlock(ctx, blockACid)
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if err != nil {
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return nil, nil, false, xerrors.Errorf("failed to get blockA: %w", err)
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}
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// (a) double-fork mining (2 blocks at one epoch)
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if blockA.Height == blockB.Height {
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return blockA, nil, true, nil
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}
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// (b) time-offset mining faults (2 blocks with the same parents)
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if types.CidArrsEqual(blockB.Parents, blockA.Parents) {
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return blockA, nil, true, nil
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}
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// (c) parent-grinding fault
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// Here extra is the "witness", a third block that shows the connection between A and B as
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// A's sibling and B's parent.
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// Specifically, since A is of lower height, it must be that B was mined omitting A from its tipset
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//
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// B
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// |
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// [A, C]
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if types.CidArrsEqual(blockA.Parents, blockC.Parents) && blockA.Height == blockC.Height &&
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types.CidArrsContains(blockB.Parents, blockC.Cid()) && !types.CidArrsContains(blockB.Parents, blockA.Cid()) {
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return blockA, blockC, true, nil
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}
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log.Error("unexpectedly reached end of slashFilterMinedBlock despite fault being reported!")
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return nil, nil, false, nil
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}
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@ -74,9 +74,6 @@ OPTIONS:
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--api-max-req-size value maximum API request size accepted by the JSON RPC server (default: 0)
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--restore value restore from backup file
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--restore-config value config file to use when restoring from backup
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--slash-consensus Report consensus fault (default: false)
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--slasher-sender value optionally specify the account to report consensus from
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--slashdb-dir value (default: "slash watch db dir path")
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--help, -h show help
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```
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@ -399,3 +399,32 @@
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#EnableMsgIndex = false
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[FaultReporter]
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# EnableConsensusFaultReporter controls whether the node will monitor and
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# report consensus faults. When enabled, the node will watch for malicious
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# behaviors like double-mining and parent grinding, and submit reports to the
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# network. This can earn reporter rewards, but is not guaranteed. Nodes should
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# enable fault reporting with care, as it may increase resource usage, and may
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# generate gas fees without earning rewards.
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#
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# type: bool
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# env var: LOTUS_FAULTREPORTER_ENABLECONSENSUSFAULTREPORTER
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#EnableConsensusFaultReporter = false
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# ConsensusFaultReporterDataDir is the path where fault reporter state will be
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# persisted. This directory should have adequate space and permissions for the
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# node process.
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#
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# type: string
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# env var: LOTUS_FAULTREPORTER_CONSENSUSFAULTREPORTERDATADIR
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#ConsensusFaultReporterDataDir = ""
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# ConsensusFaultReporterAddress is the wallet address used for submitting
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# ReportConsensusFault messages. It will pay for gas fees, and receive any
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# rewards. This address should have adequate funds to cover gas fees.
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#
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# type: string
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# env var: LOTUS_FAULTREPORTER_CONSENSUSFAULTREPORTERADDRESS
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#ConsensusFaultReporterAddress = ""
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@ -128,6 +128,8 @@ const (
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SetupFallbackBlockstoresKey
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GoRPCServer
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ConsensusReporterKey
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SetApiEndpointKey
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StoreEventsKey
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@ -280,6 +280,11 @@ func ConfigFullNode(c interface{}) Option {
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// enable message index for full node when configured by the user, otherwise use dummy.
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If(cfg.Index.EnableMsgIndex, Override(new(index.MsgIndex), modules.MsgIndex)),
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If(!cfg.Index.EnableMsgIndex, Override(new(index.MsgIndex), modules.DummyMsgIndex)),
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// enable fault reporter when configured by the user
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If(cfg.FaultReporter.EnableConsensusFaultReporter,
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Override(ConsensusReporterKey, modules.RunConsensusFaultReporter(cfg.FaultReporter)),
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),
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)
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}
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@ -394,6 +394,35 @@ the database must already exist and be writeable. If a relative path is provided
|
||||
relative to the CWD (current working directory).`,
|
||||
},
|
||||
},
|
||||
"FaultReporterConfig": []DocField{
|
||||
{
|
||||
Name: "EnableConsensusFaultReporter",
|
||||
Type: "bool",
|
||||
|
||||
Comment: `EnableConsensusFaultReporter controls whether the node will monitor and
|
||||
report consensus faults. When enabled, the node will watch for malicious
|
||||
behaviors like double-mining and parent grinding, and submit reports to the
|
||||
network. This can earn reporter rewards, but is not guaranteed. Nodes should
|
||||
enable fault reporting with care, as it may increase resource usage, and may
|
||||
generate gas fees without earning rewards.`,
|
||||
},
|
||||
{
|
||||
Name: "ConsensusFaultReporterDataDir",
|
||||
Type: "string",
|
||||
|
||||
Comment: `ConsensusFaultReporterDataDir is the path where fault reporter state will be
|
||||
persisted. This directory should have adequate space and permissions for the
|
||||
node process.`,
|
||||
},
|
||||
{
|
||||
Name: "ConsensusFaultReporterAddress",
|
||||
Type: "string",
|
||||
|
||||
Comment: `ConsensusFaultReporterAddress is the wallet address used for submitting
|
||||
ReportConsensusFault messages. It will pay for gas fees, and receive any
|
||||
rewards. This address should have adequate funds to cover gas fees.`,
|
||||
},
|
||||
},
|
||||
"FeeConfig": []DocField{
|
||||
{
|
||||
Name: "DefaultMaxFee",
|
||||
@ -465,6 +494,12 @@ Set to 0 to keep all mappings`,
|
||||
Name: "Index",
|
||||
Type: "IndexConfig",
|
||||
|
||||
Comment: ``,
|
||||
},
|
||||
{
|
||||
Name: "FaultReporter",
|
||||
Type: "FaultReporterConfig",
|
||||
|
||||
Comment: ``,
|
||||
},
|
||||
},
|
||||
|
@ -22,13 +22,14 @@ type Common struct {
|
||||
// FullNode is a full node config
|
||||
type FullNode struct {
|
||||
Common
|
||||
Client Client
|
||||
Wallet Wallet
|
||||
Fees FeeConfig
|
||||
Chainstore Chainstore
|
||||
Cluster UserRaftConfig
|
||||
Fevm FevmConfig
|
||||
Index IndexConfig
|
||||
Client Client
|
||||
Wallet Wallet
|
||||
Fees FeeConfig
|
||||
Chainstore Chainstore
|
||||
Cluster UserRaftConfig
|
||||
Fevm FevmConfig
|
||||
Index IndexConfig
|
||||
FaultReporter FaultReporterConfig
|
||||
}
|
||||
|
||||
// // Common
|
||||
@ -732,3 +733,23 @@ type IndexConfig struct {
|
||||
// EnableMsgIndex enables indexing of messages on chain.
|
||||
EnableMsgIndex bool
|
||||
}
|
||||
|
||||
type FaultReporterConfig struct {
|
||||
// EnableConsensusFaultReporter controls whether the node will monitor and
|
||||
// report consensus faults. When enabled, the node will watch for malicious
|
||||
// behaviors like double-mining and parent grinding, and submit reports to the
|
||||
// network. This can earn reporter rewards, but is not guaranteed. Nodes should
|
||||
// enable fault reporting with care, as it may increase resource usage, and may
|
||||
// generate gas fees without earning rewards.
|
||||
EnableConsensusFaultReporter bool
|
||||
|
||||
// ConsensusFaultReporterDataDir is the path where fault reporter state will be
|
||||
// persisted. This directory should have adequate space and permissions for the
|
||||
// node process.
|
||||
ConsensusFaultReporterDataDir string
|
||||
|
||||
// ConsensusFaultReporterAddress is the wallet address used for submitting
|
||||
// ReportConsensusFault messages. It will pay for gas fees, and receive any
|
||||
// rewards. This address should have adequate funds to cover gas fees.
|
||||
ConsensusFaultReporterAddress string
|
||||
}
|
||||
|
27
node/modules/faultreport.go
Normal file
27
node/modules/faultreport.go
Normal file
@ -0,0 +1,27 @@
|
||||
package modules
|
||||
|
||||
import (
|
||||
"go.uber.org/fx"
|
||||
|
||||
"github.com/filecoin-project/lotus/chain/gen/slashfilter/slashsvc"
|
||||
"github.com/filecoin-project/lotus/node/config"
|
||||
"github.com/filecoin-project/lotus/node/impl/full"
|
||||
"github.com/filecoin-project/lotus/node/modules/helpers"
|
||||
)
|
||||
|
||||
type consensusReporterModules struct {
|
||||
fx.In
|
||||
|
||||
full.WalletAPI
|
||||
full.ChainAPI
|
||||
full.MpoolAPI
|
||||
full.SyncAPI
|
||||
}
|
||||
|
||||
func RunConsensusFaultReporter(config config.FaultReporterConfig) func(mctx helpers.MetricsCtx, lc fx.Lifecycle, mod consensusReporterModules) error {
|
||||
return func(mctx helpers.MetricsCtx, lc fx.Lifecycle, mod consensusReporterModules) error {
|
||||
ctx := helpers.LifecycleCtx(mctx, lc)
|
||||
|
||||
return slashsvc.SlashConsensus(ctx, &mod, config.ConsensusFaultReporterDataDir, config.ConsensusFaultReporterAddress)
|
||||
}
|
||||
}
|
Loading…
Reference in New Issue
Block a user