348 lines
12 KiB
Go
348 lines
12 KiB
Go
package consensus
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import (
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"context"
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"sync/atomic"
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"github.com/ipfs/go-cid"
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cbor "github.com/ipfs/go-ipld-cbor"
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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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amt4 "github.com/filecoin-project/go-amt-ipld/v4"
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"github.com/filecoin-project/go-state-types/abi"
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actorstypes "github.com/filecoin-project/go-state-types/actors"
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"github.com/filecoin-project/go-state-types/big"
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exported0 "github.com/filecoin-project/specs-actors/actors/builtin/exported"
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blockadt "github.com/filecoin-project/specs-actors/actors/util/adt"
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exported2 "github.com/filecoin-project/specs-actors/v2/actors/builtin/exported"
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exported3 "github.com/filecoin-project/specs-actors/v3/actors/builtin/exported"
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exported4 "github.com/filecoin-project/specs-actors/v4/actors/builtin/exported"
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exported5 "github.com/filecoin-project/specs-actors/v5/actors/builtin/exported"
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exported6 "github.com/filecoin-project/specs-actors/v6/actors/builtin/exported"
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exported7 "github.com/filecoin-project/specs-actors/v7/actors/builtin/exported"
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"github.com/filecoin-project/lotus/blockstore"
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"github.com/filecoin-project/lotus/build"
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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/rand"
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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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"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 NewActorRegistry() *vm.ActorRegistry {
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inv := vm.NewActorRegistry()
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inv.Register(actorstypes.Version0, vm.ActorsVersionPredicate(actorstypes.Version0), builtin.MakeRegistryLegacy(exported0.BuiltinActors()))
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inv.Register(actorstypes.Version2, vm.ActorsVersionPredicate(actorstypes.Version2), builtin.MakeRegistryLegacy(exported2.BuiltinActors()))
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inv.Register(actorstypes.Version3, vm.ActorsVersionPredicate(actorstypes.Version3), builtin.MakeRegistryLegacy(exported3.BuiltinActors()))
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inv.Register(actorstypes.Version4, vm.ActorsVersionPredicate(actorstypes.Version4), builtin.MakeRegistryLegacy(exported4.BuiltinActors()))
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inv.Register(actorstypes.Version5, vm.ActorsVersionPredicate(actorstypes.Version5), builtin.MakeRegistryLegacy(exported5.BuiltinActors()))
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inv.Register(actorstypes.Version6, vm.ActorsVersionPredicate(actorstypes.Version6), builtin.MakeRegistryLegacy(exported6.BuiltinActors()))
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inv.Register(actorstypes.Version7, vm.ActorsVersionPredicate(actorstypes.Version7), builtin.MakeRegistryLegacy(exported7.BuiltinActors()))
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inv.Register(actorstypes.Version8, vm.ActorsVersionPredicate(actorstypes.Version8), builtin.MakeRegistry(actorstypes.Version8))
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inv.Register(actorstypes.Version9, vm.ActorsVersionPredicate(actorstypes.Version9), builtin.MakeRegistry(actorstypes.Version9))
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inv.Register(actorstypes.Version10, vm.ActorsVersionPredicate(actorstypes.Version10), builtin.MakeRegistry(actorstypes.Version10))
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return inv
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}
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type TipSetExecutor struct {
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reward RewardFunc
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}
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func NewTipSetExecutor(r RewardFunc) *TipSetExecutor {
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return &TipSetExecutor{reward: r}
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}
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func (t *TipSetExecutor) NewActorRegistry() *vm.ActorRegistry {
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return NewActorRegistry()
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}
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type FilecoinBlockMessages struct {
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store.BlockMessages
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WinCount int64
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}
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func (t *TipSetExecutor) ApplyBlocks(ctx context.Context,
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sm *stmgr.StateManager,
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parentEpoch abi.ChainEpoch,
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pstate cid.Cid,
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bms []FilecoinBlockMessages,
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epoch abi.ChainEpoch,
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r vm.Rand,
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em stmgr.ExecMonitor,
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vmTracing bool,
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baseFee abi.TokenAmount,
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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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ctx = blockstore.WithHotView(ctx)
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makeVm := func(base cid.Cid, e abi.ChainEpoch, timestamp uint64) (vm.Interface, error) {
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vmopt := &vm.VMOpts{
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StateBase: base,
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Epoch: e,
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Timestamp: timestamp,
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Rand: r,
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Bstore: sm.ChainStore().StateBlockstore(),
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Actors: NewActorRegistry(),
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Syscalls: sm.Syscalls,
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CircSupplyCalc: sm.GetVMCirculatingSupply,
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NetworkVersion: sm.GetNetworkVersion(ctx, e),
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BaseFee: baseFee,
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LookbackState: stmgr.LookbackStateGetterForTipset(sm, ts),
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TipSetGetter: stmgr.TipSetGetterForTipset(sm.ChainStore(), ts),
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Tracing: vmTracing,
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ReturnEvents: sm.ChainStore().IsStoringEvents(),
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}
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return sm.VMConstructor()(ctx, vmopt)
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}
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runCron := func(vmCron vm.Interface, 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 := vmCron.ApplyImplicitMessage(ctx, cronMsg)
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if err != nil {
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return xerrors.Errorf("running cron: %w", 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("cron 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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// May get filled with the genesis block header if there are null rounds
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// for which to backfill cron execution.
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var genesis *types.BlockHeader
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// There were null rounds in between the current epoch and the parent epoch.
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for i := parentEpoch; i < epoch; i++ {
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var err error
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if i > parentEpoch {
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if genesis == nil {
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if genesis, err = sm.ChainStore().GetGenesis(ctx); err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("failed to get genesis when backfilling null rounds: %w", err)
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}
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}
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ts := genesis.Timestamp + build.BlockDelaySecs*(uint64(i))
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vmCron, err := makeVm(pstate, i, ts)
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if err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("making cron vm: %w", err)
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}
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// run cron for null rounds if any
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if err = runCron(vmCron, i); err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("running cron: %w", err)
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}
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pstate, err = vmCron.Flush(ctx)
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if err != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("flushing cron 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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pstate, 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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}
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partDone()
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partDone = metrics.Timer(ctx, metrics.VMApplyMessages)
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vmi, err := makeVm(pstate, epoch, ts.MinTimestamp())
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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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var (
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receipts []*types.MessageReceipt
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storingEvents = sm.ChainStore().IsStoringEvents()
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events [][]types.Event
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processedMsgs = make(map[cid.Cid]struct{})
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)
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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 storingEvents {
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// Appends nil when no events are returned to preserve positional alignment.
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events = append(events, r.Events)
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}
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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 := &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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rErr := t.reward(ctx, vmi, em, epoch, ts, params)
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if rErr != nil {
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return cid.Undef, cid.Undef, xerrors.Errorf("error applying reward: %w", err)
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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(vmi, 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.ChainStore().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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// Slice will be empty if not storing events.
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for i, evs := range events {
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if len(evs) == 0 {
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continue
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}
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switch root, err := t.StoreEventsAMT(ctx, sm.ChainStore(), evs); {
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case err != nil:
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return cid.Undef, cid.Undef, xerrors.Errorf("failed to store events amt: %w", err)
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case i >= len(receipts):
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return cid.Undef, cid.Undef, xerrors.Errorf("assertion failed: receipt and events array lengths inconsistent")
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case receipts[i].EventsRoot == nil:
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return cid.Undef, cid.Undef, xerrors.Errorf("assertion failed: VM returned events with no events root")
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case root != *receipts[i].EventsRoot:
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return cid.Undef, cid.Undef, xerrors.Errorf("assertion failed: returned events AMT root does not match derived")
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}
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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 (t *TipSetExecutor) ExecuteTipSet(ctx context.Context,
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sm *stmgr.StateManager,
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ts *types.TipSet,
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em stmgr.ExecMonitor,
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vmTracing bool) (stateroot cid.Cid, rectsroot cid.Cid, err 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.ChainStore().GetBlock(ctx, 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 := rand.NewStateRand(sm.ChainStore(), ts.Cids(), sm.Beacon(), sm.GetNetworkVersion)
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blkmsgs, err := sm.ChainStore().BlockMsgsForTipset(ctx, 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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fbmsgs := make([]FilecoinBlockMessages, len(blkmsgs))
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for i := range fbmsgs {
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fbmsgs[i].BlockMessages = blkmsgs[i]
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fbmsgs[i].WinCount = ts.Blocks()[i].ElectionProof.WinCount
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}
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baseFee := blks[0].ParentBaseFee
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return t.ApplyBlocks(ctx, sm, parentEpoch, pstate, fbmsgs, blks[0].Height, r, em, vmTracing, baseFee, ts)
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}
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func (t *TipSetExecutor) StoreEventsAMT(ctx context.Context, cs *store.ChainStore, events []types.Event) (cid.Cid, error) {
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cst := cbor.NewCborStore(cs.ChainBlockstore())
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objs := make([]cbg.CBORMarshaler, len(events))
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for i := 0; i < len(events); i++ {
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objs[i] = &events[i]
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}
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return amt4.FromArray(ctx, cst, objs, amt4.UseTreeBitWidth(types.EventAMTBitwidth))
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}
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var _ stmgr.Executor = &TipSetExecutor{}
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