package stmgr import ( "bytes" "context" "fmt" "os" "reflect" "runtime" "strings" "github.com/filecoin-project/go-state-types/big" "github.com/filecoin-project/go-state-types/network" cid "github.com/ipfs/go-cid" cbg "github.com/whyrusleeping/cbor-gen" "golang.org/x/xerrors" "github.com/filecoin-project/go-address" "github.com/filecoin-project/go-bitfield" "github.com/filecoin-project/go-state-types/abi" "github.com/filecoin-project/go-state-types/crypto" "github.com/filecoin-project/go-state-types/rt" exported0 "github.com/filecoin-project/specs-actors/actors/builtin/exported" exported2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/exported" exported3 "github.com/filecoin-project/specs-actors/v3/actors/builtin/exported" exported4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/exported" "github.com/filecoin-project/lotus/api" "github.com/filecoin-project/lotus/chain/actors/builtin" init_ "github.com/filecoin-project/lotus/chain/actors/builtin/init" "github.com/filecoin-project/lotus/chain/actors/builtin/market" "github.com/filecoin-project/lotus/chain/actors/builtin/miner" "github.com/filecoin-project/lotus/chain/actors/builtin/power" "github.com/filecoin-project/lotus/chain/actors/policy" "github.com/filecoin-project/lotus/chain/beacon" "github.com/filecoin-project/lotus/chain/state" "github.com/filecoin-project/lotus/chain/store" "github.com/filecoin-project/lotus/chain/types" "github.com/filecoin-project/lotus/chain/vm" "github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper" "github.com/filecoin-project/lotus/node/modules/dtypes" ) func GetNetworkName(ctx context.Context, sm *StateManager, st cid.Cid) (dtypes.NetworkName, error) { act, err := sm.LoadActorRaw(ctx, init_.Address, st) if err != nil { return "", err } ias, err := init_.Load(sm.cs.ActorStore(ctx), act) if err != nil { return "", err } return ias.NetworkName() } func GetMinerWorkerRaw(ctx context.Context, sm *StateManager, st cid.Cid, maddr address.Address) (address.Address, error) { state, err := sm.StateTree(st) if err != nil { return address.Undef, xerrors.Errorf("(get sset) failed to load state tree: %w", err) } act, err := state.GetActor(maddr) if err != nil { return address.Undef, xerrors.Errorf("(get sset) failed to load miner actor: %w", err) } mas, err := miner.Load(sm.cs.ActorStore(ctx), act) if err != nil { return address.Undef, xerrors.Errorf("(get sset) failed to load miner actor state: %w", err) } info, err := mas.Info() if err != nil { return address.Undef, xerrors.Errorf("failed to load actor info: %w", err) } return vm.ResolveToKeyAddr(state, sm.cs.ActorStore(ctx), info.Worker) } func GetPower(ctx context.Context, sm *StateManager, ts *types.TipSet, maddr address.Address) (power.Claim, power.Claim, bool, error) { return GetPowerRaw(ctx, sm, ts.ParentState(), maddr) } func GetPowerRaw(ctx context.Context, sm *StateManager, st cid.Cid, maddr address.Address) (power.Claim, power.Claim, bool, error) { act, err := sm.LoadActorRaw(ctx, power.Address, st) if err != nil { return power.Claim{}, power.Claim{}, false, xerrors.Errorf("(get sset) failed to load power actor state: %w", err) } pas, err := power.Load(sm.cs.ActorStore(ctx), act) if err != nil { return power.Claim{}, power.Claim{}, false, err } tpow, err := pas.TotalPower() if err != nil { return power.Claim{}, power.Claim{}, false, err } var mpow power.Claim var minpow bool if maddr != address.Undef { var found bool mpow, found, err = pas.MinerPower(maddr) if err != nil || !found { return power.Claim{}, tpow, false, err } minpow, err = pas.MinerNominalPowerMeetsConsensusMinimum(maddr) if err != nil { return power.Claim{}, power.Claim{}, false, err } } return mpow, tpow, minpow, nil } func PreCommitInfo(ctx context.Context, sm *StateManager, maddr address.Address, sid abi.SectorNumber, ts *types.TipSet) (*miner.SectorPreCommitOnChainInfo, error) { act, err := sm.LoadActor(ctx, maddr, ts) if err != nil { return nil, xerrors.Errorf("(get sset) failed to load miner actor: %w", err) } mas, err := miner.Load(sm.cs.ActorStore(ctx), act) if err != nil { return nil, xerrors.Errorf("(get sset) failed to load miner actor state: %w", err) } return mas.GetPrecommittedSector(sid) } func MinerSectorInfo(ctx context.Context, sm *StateManager, maddr address.Address, sid abi.SectorNumber, ts *types.TipSet) (*miner.SectorOnChainInfo, error) { act, err := sm.LoadActor(ctx, maddr, ts) if err != nil { return nil, xerrors.Errorf("(get sset) failed to load miner actor: %w", err) } mas, err := miner.Load(sm.cs.ActorStore(ctx), act) if err != nil { return nil, xerrors.Errorf("(get sset) failed to load miner actor state: %w", err) } return mas.GetSector(sid) } func GetSectorsForWinningPoSt(ctx context.Context, nv network.Version, pv ffiwrapper.Verifier, sm *StateManager, st cid.Cid, maddr address.Address, rand abi.PoStRandomness) ([]builtin.SectorInfo, error) { act, err := sm.LoadActorRaw(ctx, maddr, st) if err != nil { return nil, xerrors.Errorf("failed to load miner actor: %w", err) } mas, err := miner.Load(sm.cs.ActorStore(ctx), act) if err != nil { return nil, xerrors.Errorf("failed to load miner actor state: %w", err) } var provingSectors bitfield.BitField if nv < network.Version7 { allSectors, err := miner.AllPartSectors(mas, miner.Partition.AllSectors) if err != nil { return nil, xerrors.Errorf("get all sectors: %w", err) } faultySectors, err := miner.AllPartSectors(mas, miner.Partition.FaultySectors) if err != nil { return nil, xerrors.Errorf("get faulty sectors: %w", err) } provingSectors, err = bitfield.SubtractBitField(allSectors, faultySectors) if err != nil { return nil, xerrors.Errorf("calc proving sectors: %w", err) } } else { provingSectors, err = miner.AllPartSectors(mas, miner.Partition.ActiveSectors) if err != nil { return nil, xerrors.Errorf("get active sectors sectors: %w", err) } } numProvSect, err := provingSectors.Count() if err != nil { return nil, xerrors.Errorf("failed to count bits: %w", err) } // TODO(review): is this right? feels fishy to me if numProvSect == 0 { return nil, nil } info, err := mas.Info() if err != nil { return nil, xerrors.Errorf("getting miner info: %w", err) } mid, err := address.IDFromAddress(maddr) if err != nil { return nil, xerrors.Errorf("getting miner ID: %w", err) } proofType, err := miner.WinningPoStProofTypeFromWindowPoStProofType(nv, info.WindowPoStProofType) if err != nil { return nil, xerrors.Errorf("determining winning post proof type: %w", err) } ids, err := pv.GenerateWinningPoStSectorChallenge(ctx, proofType, abi.ActorID(mid), rand, numProvSect) if err != nil { return nil, xerrors.Errorf("generating winning post challenges: %w", err) } iter, err := provingSectors.BitIterator() if err != nil { return nil, xerrors.Errorf("iterating over proving sectors: %w", err) } // Select winning sectors by _index_ in the all-sectors bitfield. selectedSectors := bitfield.New() prev := uint64(0) for _, n := range ids { sno, err := iter.Nth(n - prev) if err != nil { return nil, xerrors.Errorf("iterating over proving sectors: %w", err) } selectedSectors.Set(sno) prev = n } sectors, err := mas.LoadSectors(&selectedSectors) if err != nil { return nil, xerrors.Errorf("loading proving sectors: %w", err) } out := make([]builtin.SectorInfo, len(sectors)) for i, sinfo := range sectors { out[i] = builtin.SectorInfo{ SealProof: sinfo.SealProof, SectorNumber: sinfo.SectorNumber, SealedCID: sinfo.SealedCID, } } return out, nil } func GetMinerSlashed(ctx context.Context, sm *StateManager, ts *types.TipSet, maddr address.Address) (bool, error) { act, err := sm.LoadActor(ctx, power.Address, ts) if err != nil { return false, xerrors.Errorf("failed to load power actor: %w", err) } spas, err := power.Load(sm.cs.ActorStore(ctx), act) if err != nil { return false, xerrors.Errorf("failed to load power actor state: %w", err) } _, ok, err := spas.MinerPower(maddr) if err != nil { return false, xerrors.Errorf("getting miner power: %w", err) } if !ok { return true, nil } return false, nil } func GetStorageDeal(ctx context.Context, sm *StateManager, dealID abi.DealID, ts *types.TipSet) (*api.MarketDeal, error) { act, err := sm.LoadActor(ctx, market.Address, ts) if err != nil { return nil, xerrors.Errorf("failed to load market actor: %w", err) } state, err := market.Load(sm.cs.ActorStore(ctx), act) if err != nil { return nil, xerrors.Errorf("failed to load market actor state: %w", err) } proposals, err := state.Proposals() if err != nil { return nil, err } proposal, found, err := proposals.Get(dealID) if err != nil { return nil, err } else if !found { return nil, xerrors.Errorf( "deal %d not found "+ "- deal may not have completed sealing before deal proposal "+ "start epoch, or deal may have been slashed", dealID) } states, err := state.States() if err != nil { return nil, err } st, found, err := states.Get(dealID) if err != nil { return nil, err } if !found { st = market.EmptyDealState() } return &api.MarketDeal{ Proposal: *proposal, State: *st, }, nil } func ListMinerActors(ctx context.Context, sm *StateManager, ts *types.TipSet) ([]address.Address, error) { act, err := sm.LoadActor(ctx, power.Address, ts) if err != nil { return nil, xerrors.Errorf("failed to load power actor: %w", err) } powState, err := power.Load(sm.cs.ActorStore(ctx), act) if err != nil { return nil, xerrors.Errorf("failed to load power actor state: %w", err) } return powState.ListAllMiners() } func ComputeState(ctx context.Context, sm *StateManager, height abi.ChainEpoch, msgs []*types.Message, ts *types.TipSet) (cid.Cid, []*api.InvocResult, error) { if ts == nil { ts = sm.cs.GetHeaviestTipSet() } base, trace, err := sm.ExecutionTrace(ctx, ts) if err != nil { return cid.Undef, nil, err } for i := ts.Height(); i < height; i++ { // handle state forks base, err = sm.handleStateForks(ctx, base, i, traceFunc(&trace), ts) if err != nil { return cid.Undef, nil, xerrors.Errorf("error handling state forks: %w", err) } // TODO: should we also run cron here? } r := store.NewChainRand(sm.cs, ts.Cids()) vmopt := &vm.VMOpts{ StateBase: base, Epoch: height, Rand: r, Bstore: sm.cs.StateBlockstore(), Syscalls: sm.cs.VMSys(), CircSupplyCalc: sm.GetVMCirculatingSupply, NtwkVersion: sm.GetNtwkVersion, BaseFee: ts.Blocks()[0].ParentBaseFee, LookbackState: LookbackStateGetterForTipset(sm, ts), } vmi, err := sm.newVM(ctx, vmopt) if err != nil { return cid.Undef, nil, err } for i, msg := range msgs { // TODO: Use the signed message length for secp messages ret, err := vmi.ApplyMessage(ctx, msg) if err != nil { return cid.Undef, nil, xerrors.Errorf("applying message %s: %w", msg.Cid(), err) } if ret.ExitCode != 0 { log.Infof("compute state apply message %d failed (exit: %d): %s", i, ret.ExitCode, ret.ActorErr) } } root, err := vmi.Flush(ctx) if err != nil { return cid.Undef, nil, err } return root, trace, nil } func LookbackStateGetterForTipset(sm *StateManager, ts *types.TipSet) vm.LookbackStateGetter { return func(ctx context.Context, round abi.ChainEpoch) (*state.StateTree, error) { _, st, err := GetLookbackTipSetForRound(ctx, sm, ts, round) if err != nil { return nil, err } return sm.StateTree(st) } } func GetLookbackTipSetForRound(ctx context.Context, sm *StateManager, ts *types.TipSet, round abi.ChainEpoch) (*types.TipSet, cid.Cid, error) { var lbr abi.ChainEpoch lb := policy.GetWinningPoStSectorSetLookback(sm.GetNtwkVersion(ctx, round)) if round > lb { lbr = round - lb } // more null blocks than our lookback if lbr >= ts.Height() { // This should never happen at this point, but may happen before // network version 3 (where the lookback was only 10 blocks). st, _, err := sm.TipSetState(ctx, ts) if err != nil { return nil, cid.Undef, err } return ts, st, nil } // Get the tipset after the lookback tipset, or the next non-null one. nextTs, err := sm.ChainStore().GetTipsetByHeight(ctx, lbr+1, ts, false) if err != nil { return nil, cid.Undef, xerrors.Errorf("failed to get lookback tipset+1: %w", err) } if lbr > nextTs.Height() { return nil, cid.Undef, xerrors.Errorf("failed to find non-null tipset %s (%d) which is known to exist, found %s (%d)", ts.Key(), ts.Height(), nextTs.Key(), nextTs.Height()) } lbts, err := sm.ChainStore().GetTipSetFromKey(nextTs.Parents()) if err != nil { return nil, cid.Undef, xerrors.Errorf("failed to resolve lookback tipset: %w", err) } return lbts, nextTs.ParentState(), nil } func MinerGetBaseInfo(ctx context.Context, sm *StateManager, bcs beacon.Schedule, tsk types.TipSetKey, round abi.ChainEpoch, maddr address.Address, pv ffiwrapper.Verifier) (*api.MiningBaseInfo, error) { ts, err := sm.ChainStore().LoadTipSet(tsk) if err != nil { return nil, xerrors.Errorf("failed to load tipset for mining base: %w", err) } prev, err := sm.ChainStore().GetLatestBeaconEntry(ts) if err != nil { if os.Getenv("LOTUS_IGNORE_DRAND") != "_yes_" { return nil, xerrors.Errorf("failed to get latest beacon entry: %w", err) } prev = &types.BeaconEntry{} } entries, err := beacon.BeaconEntriesForBlock(ctx, bcs, round, ts.Height(), *prev) if err != nil { return nil, err } rbase := *prev if len(entries) > 0 { rbase = entries[len(entries)-1] } lbts, lbst, err := GetLookbackTipSetForRound(ctx, sm, ts, round) if err != nil { return nil, xerrors.Errorf("getting lookback miner actor state: %w", err) } act, err := sm.LoadActorRaw(ctx, maddr, lbst) if xerrors.Is(err, types.ErrActorNotFound) { _, err := sm.LoadActor(ctx, maddr, ts) if err != nil { return nil, xerrors.Errorf("loading miner in current state: %w", err) } return nil, nil } if err != nil { return nil, xerrors.Errorf("failed to load miner actor: %w", err) } mas, err := miner.Load(sm.cs.ActorStore(ctx), act) if err != nil { return nil, xerrors.Errorf("failed to load miner actor state: %w", err) } buf := new(bytes.Buffer) if err := maddr.MarshalCBOR(buf); err != nil { return nil, xerrors.Errorf("failed to marshal miner address: %w", err) } prand, err := store.DrawRandomness(rbase.Data, crypto.DomainSeparationTag_WinningPoStChallengeSeed, round, buf.Bytes()) if err != nil { return nil, xerrors.Errorf("failed to get randomness for winning post: %w", err) } nv := sm.GetNtwkVersion(ctx, ts.Height()) sectors, err := GetSectorsForWinningPoSt(ctx, nv, pv, sm, lbst, maddr, prand) if err != nil { return nil, xerrors.Errorf("getting winning post proving set: %w", err) } if len(sectors) == 0 { return nil, nil } mpow, tpow, _, err := GetPowerRaw(ctx, sm, lbst, maddr) if err != nil { return nil, xerrors.Errorf("failed to get power: %w", err) } info, err := mas.Info() if err != nil { return nil, err } worker, err := sm.ResolveToKeyAddress(ctx, info.Worker, ts) if err != nil { return nil, xerrors.Errorf("resolving worker address: %w", err) } // TODO: Not ideal performance...This method reloads miner and power state (already looked up here and in GetPowerRaw) eligible, err := MinerEligibleToMine(ctx, sm, maddr, ts, lbts) if err != nil { return nil, xerrors.Errorf("determining miner eligibility: %w", err) } return &api.MiningBaseInfo{ MinerPower: mpow.QualityAdjPower, NetworkPower: tpow.QualityAdjPower, Sectors: sectors, WorkerKey: worker, SectorSize: info.SectorSize, PrevBeaconEntry: *prev, BeaconEntries: entries, EligibleForMining: eligible, }, nil } type MethodMeta struct { Name string Params reflect.Type Ret reflect.Type } var MethodsMap = map[cid.Cid]map[abi.MethodNum]MethodMeta{} func init() { // TODO: combine with the runtime actor registry. var actors []rt.VMActor actors = append(actors, exported0.BuiltinActors()...) actors = append(actors, exported2.BuiltinActors()...) actors = append(actors, exported3.BuiltinActors()...) actors = append(actors, exported4.BuiltinActors()...) for _, actor := range actors { exports := actor.Exports() methods := make(map[abi.MethodNum]MethodMeta, len(exports)) // Explicitly add send, it's special. methods[builtin.MethodSend] = MethodMeta{ Name: "Send", Params: reflect.TypeOf(new(abi.EmptyValue)), Ret: reflect.TypeOf(new(abi.EmptyValue)), } // Iterate over exported methods. Some of these _may_ be nil and // must be skipped. for number, export := range exports { if export == nil { continue } ev := reflect.ValueOf(export) et := ev.Type() // Extract the method names using reflection. These // method names always match the field names in the // `builtin.Method*` structs (tested in the specs-actors // tests). fnName := runtime.FuncForPC(ev.Pointer()).Name() fnName = strings.TrimSuffix(fnName[strings.LastIndexByte(fnName, '.')+1:], "-fm") switch abi.MethodNum(number) { case builtin.MethodSend: panic("method 0 is reserved for Send") case builtin.MethodConstructor: if fnName != "Constructor" { panic("method 1 is reserved for Constructor") } } methods[abi.MethodNum(number)] = MethodMeta{ Name: fnName, Params: et.In(1), Ret: et.Out(0), } } MethodsMap[actor.Code()] = methods } } func GetReturnType(ctx context.Context, sm *StateManager, to address.Address, method abi.MethodNum, ts *types.TipSet) (cbg.CBORUnmarshaler, error) { act, err := sm.LoadActor(ctx, to, ts) if err != nil { return nil, xerrors.Errorf("(get sset) failed to load miner actor: %w", err) } m, found := MethodsMap[act.Code][method] if !found { return nil, fmt.Errorf("unknown method %d for actor %s", method, act.Code) } return reflect.New(m.Ret.Elem()).Interface().(cbg.CBORUnmarshaler), nil } func GetParamType(actCode cid.Cid, method abi.MethodNum) (cbg.CBORUnmarshaler, error) { m, found := MethodsMap[actCode][method] if !found { return nil, fmt.Errorf("unknown method %d for actor %s", method, actCode) } return reflect.New(m.Params.Elem()).Interface().(cbg.CBORUnmarshaler), nil } func minerHasMinPower(ctx context.Context, sm *StateManager, addr address.Address, ts *types.TipSet) (bool, error) { pact, err := sm.LoadActor(ctx, power.Address, ts) if err != nil { return false, xerrors.Errorf("loading power actor state: %w", err) } ps, err := power.Load(sm.cs.ActorStore(ctx), pact) if err != nil { return false, err } return ps.MinerNominalPowerMeetsConsensusMinimum(addr) } func MinerEligibleToMine(ctx context.Context, sm *StateManager, addr address.Address, baseTs *types.TipSet, lookbackTs *types.TipSet) (bool, error) { hmp, err := minerHasMinPower(ctx, sm, addr, lookbackTs) // TODO: We're blurring the lines between a "runtime network version" and a "Lotus upgrade epoch", is that unavoidable? if sm.GetNtwkVersion(ctx, baseTs.Height()) <= network.Version3 { return hmp, err } if err != nil { return false, err } if !hmp { return false, nil } // Post actors v2, also check MinerEligibleForElection with base ts pact, err := sm.LoadActor(ctx, power.Address, baseTs) if err != nil { return false, xerrors.Errorf("loading power actor state: %w", err) } pstate, err := power.Load(sm.cs.ActorStore(ctx), pact) if err != nil { return false, err } mact, err := sm.LoadActor(ctx, addr, baseTs) if err != nil { return false, xerrors.Errorf("loading miner actor state: %w", err) } mstate, err := miner.Load(sm.cs.ActorStore(ctx), mact) if err != nil { return false, err } // Non-empty power claim. if claim, found, err := pstate.MinerPower(addr); err != nil { return false, err } else if !found { return false, err } else if claim.QualityAdjPower.LessThanEqual(big.Zero()) { return false, err } // No fee debt. if debt, err := mstate.FeeDebt(); err != nil { return false, err } else if !debt.IsZero() { return false, err } // No active consensus faults. if mInfo, err := mstate.Info(); err != nil { return false, err } else if baseTs.Height() <= mInfo.ConsensusFaultElapsed { return false, nil } return true, nil } func CheckTotalFIL(ctx context.Context, sm *StateManager, ts *types.TipSet) (abi.TokenAmount, error) { str, err := state.LoadStateTree(sm.ChainStore().ActorStore(ctx), ts.ParentState()) if err != nil { return abi.TokenAmount{}, err } sum := types.NewInt(0) err = str.ForEach(func(a address.Address, act *types.Actor) error { sum = types.BigAdd(sum, act.Balance) return nil }) if err != nil { return abi.TokenAmount{}, err } return sum, nil } func MakeMsgGasCost(msg *types.Message, ret *vm.ApplyRet) api.MsgGasCost { return api.MsgGasCost{ Message: msg.Cid(), GasUsed: big.NewInt(ret.GasUsed), BaseFeeBurn: ret.GasCosts.BaseFeeBurn, OverEstimationBurn: ret.GasCosts.OverEstimationBurn, MinerPenalty: ret.GasCosts.MinerPenalty, MinerTip: ret.GasCosts.MinerTip, Refund: ret.GasCosts.Refund, TotalCost: big.Sub(msg.RequiredFunds(), ret.GasCosts.Refund), } }