327 lines
9.3 KiB
Go
327 lines
9.3 KiB
Go
package stmgr
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import (
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"context"
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"fmt"
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"sync/atomic"
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"github.com/ipfs/go-cid"
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cbg "github.com/whyrusleeping/cbor-gen"
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"go.opencensus.io/stats"
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"go.opencensus.io/trace"
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"golang.org/x/xerrors"
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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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blockadt "github.com/filecoin-project/specs-actors/actors/util/adt"
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"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/actors/builtin"
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"github.com/filecoin-project/lotus/chain/actors/builtin/cron"
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"github.com/filecoin-project/lotus/chain/actors/builtin/reward"
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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/metrics"
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)
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func (sm *StateManager) ApplyBlocks(ctx context.Context, parentEpoch abi.ChainEpoch, pstate cid.Cid, bms []store.BlockMessages, epoch abi.ChainEpoch, r vm.Rand, em ExecMonitor, baseFee abi.TokenAmount, ts *types.TipSet) (cid.Cid, cid.Cid, error) {
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done := metrics.Timer(ctx, metrics.VMApplyBlocksTotal)
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defer done()
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partDone := metrics.Timer(ctx, metrics.VMApplyEarly)
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defer func() {
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partDone()
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}()
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makeVmWithBaseState := func(base cid.Cid) (*vm.VM, error) {
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vmopt := &vm.VMOpts{
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StateBase: base,
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Epoch: epoch,
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Rand: r,
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Bstore: sm.cs.StateBlockstore(),
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Syscalls: sm.syscalls,
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CircSupplyCalc: sm.GetVMCirculatingSupply,
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NtwkVersion: sm.GetNtwkVersion,
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BaseFee: baseFee,
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LookbackState: LookbackStateGetterForTipset(sm, ts),
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}
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return sm.newVM(ctx, vmopt)
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}
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vmi, err := makeVmWithBaseState(pstate)
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if err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("making vm: %w", err)
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}
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runCron := func(epoch abi.ChainEpoch) error {
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cronMsg := &types.Message{
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To: cron.Address,
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From: builtin.SystemActorAddr,
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Nonce: uint64(epoch),
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Value: types.NewInt(0),
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GasFeeCap: types.NewInt(0),
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GasPremium: types.NewInt(0),
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GasLimit: build.BlockGasLimit * 10000, // Make super sure this is never too little
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Method: cron.Methods.EpochTick,
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Params: nil,
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}
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ret, err := vmi.ApplyImplicitMessage(ctx, cronMsg)
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if err != nil {
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return err
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}
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if em != nil {
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if err := em.MessageApplied(ctx, ts, cronMsg.Cid(), cronMsg, ret, true); err != nil {
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return xerrors.Errorf("callback failed on cron message: %w", err)
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}
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}
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if ret.ExitCode != 0 {
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return xerrors.Errorf("CheckProofSubmissions exit was non-zero: %d", ret.ExitCode)
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}
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return nil
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}
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for i := parentEpoch; i < epoch; i++ {
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if i > parentEpoch {
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// run cron for null rounds if any
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if err := runCron(i); err != nil {
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return cid.Undef, cid.Undef, err
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}
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pstate, err = vmi.Flush(ctx)
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if err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("flushing vm: %w", err)
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}
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}
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// handle state forks
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// XXX: The state tree
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newState, err := sm.handleStateForks(ctx, pstate, i, em, ts)
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if err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("error handling state forks: %w", err)
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}
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if pstate != newState {
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vmi, err = makeVmWithBaseState(newState)
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if err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("making vm: %w", err)
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}
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}
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vmi.SetBlockHeight(i + 1)
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pstate = newState
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}
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partDone()
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partDone = metrics.Timer(ctx, metrics.VMApplyMessages)
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var receipts []cbg.CBORMarshaler
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processedMsgs := make(map[cid.Cid]struct{})
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for _, b := range bms {
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penalty := types.NewInt(0)
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gasReward := big.Zero()
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for _, cm := range append(b.BlsMessages, b.SecpkMessages...) {
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m := cm.VMMessage()
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if _, found := processedMsgs[m.Cid()]; found {
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continue
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}
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r, err := vmi.ApplyMessage(ctx, cm)
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if err != nil {
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return cid.Undef, cid.Undef, err
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}
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receipts = append(receipts, &r.MessageReceipt)
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gasReward = big.Add(gasReward, r.GasCosts.MinerTip)
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penalty = big.Add(penalty, r.GasCosts.MinerPenalty)
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if em != nil {
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if err := em.MessageApplied(ctx, ts, cm.Cid(), m, r, false); err != nil {
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return cid.Undef, cid.Undef, err
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}
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}
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processedMsgs[m.Cid()] = struct{}{}
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}
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params, err := actors.SerializeParams(&reward.AwardBlockRewardParams{
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Miner: b.Miner,
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Penalty: penalty,
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GasReward: gasReward,
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WinCount: b.WinCount,
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})
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if err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("failed to serialize award params: %w", err)
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}
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rwMsg := &types.Message{
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From: builtin.SystemActorAddr,
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To: reward.Address,
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Nonce: uint64(epoch),
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Value: types.NewInt(0),
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GasFeeCap: types.NewInt(0),
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GasPremium: types.NewInt(0),
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GasLimit: 1 << 30,
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Method: reward.Methods.AwardBlockReward,
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Params: params,
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}
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ret, actErr := vmi.ApplyImplicitMessage(ctx, rwMsg)
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if actErr != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("failed to apply reward message for miner %s: %w", b.Miner, actErr)
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}
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if em != nil {
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if err := em.MessageApplied(ctx, ts, rwMsg.Cid(), rwMsg, ret, true); err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("callback failed on reward message: %w", err)
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}
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}
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if ret.ExitCode != 0 {
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return cid.Undef, cid.Undef, xerrors.Errorf("reward application message failed (exit %d): %s", ret.ExitCode, ret.ActorErr)
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}
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}
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partDone()
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partDone = metrics.Timer(ctx, metrics.VMApplyCron)
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if err := runCron(epoch); err != nil {
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return cid.Cid{}, cid.Cid{}, err
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}
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partDone()
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partDone = metrics.Timer(ctx, metrics.VMApplyFlush)
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rectarr := blockadt.MakeEmptyArray(sm.cs.ActorStore(ctx))
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for i, receipt := range receipts {
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if err := rectarr.Set(uint64(i), receipt); err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("failed to build receipts amt: %w", err)
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}
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}
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rectroot, err := rectarr.Root()
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if err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("failed to build receipts amt: %w", err)
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}
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st, err := vmi.Flush(ctx)
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if err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("vm flush failed: %w", err)
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}
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stats.Record(ctx, metrics.VMSends.M(int64(atomic.LoadUint64(&vm.StatSends))),
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metrics.VMApplied.M(int64(atomic.LoadUint64(&vm.StatApplied))))
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return st, rectroot, nil
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}
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func (sm *StateManager) TipSetState(ctx context.Context, ts *types.TipSet) (st cid.Cid, rec cid.Cid, err error) {
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ctx, span := trace.StartSpan(ctx, "tipSetState")
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defer span.End()
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if span.IsRecordingEvents() {
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span.AddAttributes(trace.StringAttribute("tipset", fmt.Sprint(ts.Cids())))
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}
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ck := cidsToKey(ts.Cids())
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sm.stlk.Lock()
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cw, cwok := sm.compWait[ck]
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if cwok {
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sm.stlk.Unlock()
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span.AddAttributes(trace.BoolAttribute("waited", true))
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select {
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case <-cw:
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sm.stlk.Lock()
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case <-ctx.Done():
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return cid.Undef, cid.Undef, ctx.Err()
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}
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}
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cached, ok := sm.stCache[ck]
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if ok {
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sm.stlk.Unlock()
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span.AddAttributes(trace.BoolAttribute("cache", true))
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return cached[0], cached[1], nil
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}
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ch := make(chan struct{})
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sm.compWait[ck] = ch
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defer func() {
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sm.stlk.Lock()
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delete(sm.compWait, ck)
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if st != cid.Undef {
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sm.stCache[ck] = []cid.Cid{st, rec}
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}
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sm.stlk.Unlock()
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close(ch)
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}()
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sm.stlk.Unlock()
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if ts.Height() == 0 {
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// NB: This is here because the process that executes blocks requires that the
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// block miner reference a valid miner in the state tree. Unless we create some
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// magical genesis miner, this won't work properly, so we short circuit here
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// This avoids the question of 'who gets paid the genesis block reward'
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return ts.Blocks()[0].ParentStateRoot, ts.Blocks()[0].ParentMessageReceipts, nil
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}
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st, rec, err = sm.computeTipSetState(ctx, ts, sm.tsExecMonitor)
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if err != nil {
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return cid.Undef, cid.Undef, err
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}
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return st, rec, nil
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}
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func (sm *StateManager) ExecutionTraceWithMonitor(ctx context.Context, ts *types.TipSet, em ExecMonitor) (cid.Cid, error) {
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st, _, err := sm.computeTipSetState(ctx, ts, em)
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return st, err
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}
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func (sm *StateManager) ExecutionTrace(ctx context.Context, ts *types.TipSet) (cid.Cid, []*api.InvocResult, error) {
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var invocTrace []*api.InvocResult
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st, err := sm.ExecutionTraceWithMonitor(ctx, ts, &InvocationTracer{trace: &invocTrace})
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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 st, invocTrace, nil
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}
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func (sm *StateManager) computeTipSetState(ctx context.Context, ts *types.TipSet, em ExecMonitor) (cid.Cid, cid.Cid, error) {
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ctx, span := trace.StartSpan(ctx, "computeTipSetState")
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defer span.End()
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blks := ts.Blocks()
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for i := 0; i < len(blks); i++ {
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for j := i + 1; j < len(blks); j++ {
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if blks[i].Miner == blks[j].Miner {
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return cid.Undef, cid.Undef,
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xerrors.Errorf("duplicate miner in a tipset (%s %s)",
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blks[i].Miner, blks[j].Miner)
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}
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}
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}
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var parentEpoch abi.ChainEpoch
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pstate := blks[0].ParentStateRoot
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if blks[0].Height > 0 {
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parent, err := sm.cs.GetBlock(blks[0].Parents[0])
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if err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("getting parent block: %w", err)
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}
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parentEpoch = parent.Height
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}
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r := store.NewChainRand(sm.cs, ts.Cids())
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blkmsgs, err := sm.cs.BlockMsgsForTipset(ts)
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if err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("getting block messages for tipset: %w", err)
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}
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baseFee := blks[0].ParentBaseFee
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return sm.ApplyBlocks(ctx, parentEpoch, pstate, blkmsgs, blks[0].Height, r, em, baseFee, ts)
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}
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