220 lines
6.7 KiB
Go
220 lines
6.7 KiB
Go
package stmgr
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import (
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"context"
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"fmt"
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"reflect"
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"github.com/filecoin-project/lotus/chain/rand"
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"github.com/ipfs/go-cid"
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cbg "github.com/whyrusleeping/cbor-gen"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-address"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/go-state-types/big"
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"github.com/filecoin-project/lotus/api"
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init_ "github.com/filecoin-project/lotus/chain/actors/builtin/init"
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"github.com/filecoin-project/lotus/chain/actors/policy"
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"github.com/filecoin-project/lotus/chain/state"
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"github.com/filecoin-project/lotus/chain/store"
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"github.com/filecoin-project/lotus/chain/types"
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"github.com/filecoin-project/lotus/chain/vm"
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"github.com/filecoin-project/lotus/node/modules/dtypes"
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)
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func GetReturnType(ctx context.Context, sm *StateManager, to address.Address, method abi.MethodNum, ts *types.TipSet) (cbg.CBORUnmarshaler, error) {
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act, err := sm.LoadActor(ctx, to, ts)
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if err != nil {
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return nil, xerrors.Errorf("(get sset) failed to load miner actor: %w", err)
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}
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m, found := sm.tsExec.NewActorRegistry().Methods[act.Code][method]
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if !found {
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return nil, fmt.Errorf("unknown method %d for actor %s", method, act.Code)
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}
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return reflect.New(m.Ret.Elem()).Interface().(cbg.CBORUnmarshaler), nil
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}
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func GetParamType(ar *vm.ActorRegistry, actCode cid.Cid, method abi.MethodNum) (cbg.CBORUnmarshaler, error) {
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m, found := ar.Methods[actCode][method]
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if !found {
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return nil, fmt.Errorf("unknown method %d for actor %s", method, actCode)
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}
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return reflect.New(m.Params.Elem()).Interface().(cbg.CBORUnmarshaler), nil
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}
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func GetNetworkName(ctx context.Context, sm *StateManager, st cid.Cid) (dtypes.NetworkName, error) {
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act, err := sm.LoadActorRaw(ctx, init_.Address, st)
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if err != nil {
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return "", err
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}
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ias, err := init_.Load(sm.cs.ActorStore(ctx), act)
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if err != nil {
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return "", err
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}
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return ias.NetworkName()
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}
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func ComputeState(ctx context.Context, sm *StateManager, height abi.ChainEpoch, msgs []*types.Message, ts *types.TipSet) (cid.Cid, []*api.InvocResult, error) {
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if ts == nil {
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ts = sm.cs.GetHeaviestTipSet()
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}
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base, trace, err := sm.ExecutionTrace(ctx, ts)
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if err != nil {
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return cid.Undef, nil, err
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}
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for i := ts.Height(); i < height; i++ {
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// Technically, the tipset we're passing in here should be ts+1, but that may not exist.
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base, err = sm.HandleStateForks(ctx, base, i, &InvocationTracer{trace: &trace}, ts)
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if err != nil {
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return cid.Undef, nil, xerrors.Errorf("error handling state forks: %w", err)
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}
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// We intentionally don't run cron here, as we may be trying to look into the
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// future. It's not guaranteed to be accurate... but that's fine.
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}
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filVested, err := sm.GetFilVested(ctx, height)
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if err != nil {
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return cid.Undef, nil, err
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}
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r := rand.NewStateRand(sm.cs, ts.Cids(), sm.beacon, sm.GetNetworkVersion)
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vmopt := &vm.VMOpts{
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StateBase: base,
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Epoch: height,
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Rand: r,
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Bstore: sm.cs.StateBlockstore(),
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Actors: sm.tsExec.NewActorRegistry(),
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Syscalls: sm.Syscalls,
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CircSupplyCalc: sm.GetVMCirculatingSupply,
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NetworkVersion: sm.GetNetworkVersion(ctx, height),
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BaseFee: ts.Blocks()[0].ParentBaseFee,
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FilVested: filVested,
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LookbackState: LookbackStateGetterForTipset(sm, ts),
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}
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vmi, err := sm.newVM(ctx, vmopt)
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if err != nil {
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return cid.Undef, nil, err
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}
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for i, msg := range msgs {
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// TODO: Use the signed message length for secp messages
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ret, err := vmi.ApplyMessage(ctx, msg)
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if err != nil {
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return cid.Undef, nil, xerrors.Errorf("applying message %s: %w", msg.Cid(), err)
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}
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if ret.ExitCode != 0 {
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log.Infof("compute state apply message %d failed (exit: %d): %s", i, ret.ExitCode, ret.ActorErr)
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}
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}
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root, err := vmi.Flush(ctx)
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if err != nil {
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return cid.Undef, nil, err
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}
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return root, trace, nil
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}
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func LookbackStateGetterForTipset(sm *StateManager, ts *types.TipSet) vm.LookbackStateGetter {
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return func(ctx context.Context, round abi.ChainEpoch) (*state.StateTree, error) {
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_, st, err := GetLookbackTipSetForRound(ctx, sm, ts, round)
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if err != nil {
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return nil, err
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}
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return sm.StateTree(st)
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}
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}
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func GetLookbackTipSetForRound(ctx context.Context, sm *StateManager, ts *types.TipSet, round abi.ChainEpoch) (*types.TipSet, cid.Cid, error) {
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var lbr abi.ChainEpoch
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lb := policy.GetWinningPoStSectorSetLookback(sm.GetNetworkVersion(ctx, round))
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if round > lb {
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lbr = round - lb
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}
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// more null blocks than our lookback
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if lbr >= ts.Height() {
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// This should never happen at this point, but may happen before
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// network version 3 (where the lookback was only 10 blocks).
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st, _, err := sm.TipSetState(ctx, ts)
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if err != nil {
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return nil, cid.Undef, err
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}
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return ts, st, nil
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}
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// Get the tipset after the lookback tipset, or the next non-null one.
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nextTs, err := sm.ChainStore().GetTipsetByHeight(ctx, lbr+1, ts, false)
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if err != nil {
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return nil, cid.Undef, xerrors.Errorf("failed to get lookback tipset+1: %w", err)
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}
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if lbr > nextTs.Height() {
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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())
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}
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lbts, err := sm.ChainStore().GetTipSetFromKey(ctx, nextTs.Parents())
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if err != nil {
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return nil, cid.Undef, xerrors.Errorf("failed to resolve lookback tipset: %w", err)
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}
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return lbts, nextTs.ParentState(), nil
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}
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func CheckTotalFIL(ctx context.Context, cs *store.ChainStore, ts *types.TipSet) (abi.TokenAmount, error) {
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str, err := state.LoadStateTree(cs.ActorStore(ctx), ts.ParentState())
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if err != nil {
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return abi.TokenAmount{}, err
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}
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sum := types.NewInt(0)
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err = str.ForEach(func(a address.Address, act *types.Actor) error {
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sum = types.BigAdd(sum, act.Balance)
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return nil
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})
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if err != nil {
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return abi.TokenAmount{}, err
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}
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return sum, nil
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}
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func MakeMsgGasCost(msg *types.Message, ret *vm.ApplyRet) api.MsgGasCost {
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return api.MsgGasCost{
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Message: msg.Cid(),
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GasUsed: big.NewInt(ret.GasUsed),
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BaseFeeBurn: ret.GasCosts.BaseFeeBurn,
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OverEstimationBurn: ret.GasCosts.OverEstimationBurn,
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MinerPenalty: ret.GasCosts.MinerPenalty,
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MinerTip: ret.GasCosts.MinerTip,
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Refund: ret.GasCosts.Refund,
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TotalCost: big.Sub(msg.RequiredFunds(), ret.GasCosts.Refund),
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}
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}
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func (sm *StateManager) ListAllActors(ctx context.Context, ts *types.TipSet) ([]address.Address, error) {
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stateTree, err := sm.StateTree(sm.parentState(ts))
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if err != nil {
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return nil, err
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}
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var out []address.Address
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err = stateTree.ForEach(func(addr address.Address, act *types.Actor) error {
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out = append(out, addr)
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return nil
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})
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if err != nil {
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return nil, err
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}
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return out, nil
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}
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