lotus/storage/miner.go
2020-03-18 02:08:11 +01:00

167 lines
5.8 KiB
Go

package storage
import (
"context"
"errors"
"github.com/filecoin-project/lotus/node/modules/dtypes"
"time"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/specs-storage/storage"
"github.com/ipfs/go-cid"
"github.com/ipfs/go-datastore"
logging "github.com/ipfs/go-log/v2"
"github.com/libp2p/go-libp2p-core/host"
"golang.org/x/xerrors"
"github.com/filecoin-project/lotus/storage/sealmgr"
"github.com/filecoin-project/specs-actors/actors/abi"
"github.com/filecoin-project/specs-actors/actors/builtin/miner"
"github.com/filecoin-project/specs-actors/actors/crypto"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/events"
"github.com/filecoin-project/lotus/chain/gen"
"github.com/filecoin-project/lotus/chain/store"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/storage/sealing"
)
var log = logging.Logger("storageminer")
type Miner struct {
api storageMinerApi
h host.Host
sealer sealmgr.Manager
ds datastore.Batching
tktFn sealing.TicketFn
sc sealing.SectorIDCounter
maddr address.Address
worker address.Address
sealing *sealing.Sealing
}
type storageMinerApi interface {
// Call a read only method on actors (no interaction with the chain required)
StateCall(context.Context, *types.Message, types.TipSetKey) (*api.InvocResult, error)
StateMinerWorker(context.Context, address.Address, types.TipSetKey) (address.Address, error)
StateMinerPostState(ctx context.Context, actor address.Address, ts types.TipSetKey) (*miner.PoStState, error)
StateMinerSectors(context.Context, address.Address, types.TipSetKey) ([]*api.ChainSectorInfo, error)
StateMinerProvingSet(context.Context, address.Address, types.TipSetKey) ([]*api.ChainSectorInfo, error)
StateMinerSectorSize(context.Context, address.Address, types.TipSetKey) (abi.SectorSize, error)
StateWaitMsg(context.Context, cid.Cid) (*api.MsgWait, error) // TODO: removeme eventually
StateGetActor(ctx context.Context, actor address.Address, ts types.TipSetKey) (*types.Actor, error)
StateGetReceipt(context.Context, cid.Cid, types.TipSetKey) (*types.MessageReceipt, error)
StateMarketStorageDeal(context.Context, abi.DealID, types.TipSetKey) (*api.MarketDeal, error)
StateMinerFaults(context.Context, address.Address, types.TipSetKey) ([]abi.SectorNumber, error)
MpoolPushMessage(context.Context, *types.Message) (*types.SignedMessage, error)
ChainHead(context.Context) (*types.TipSet, error)
ChainNotify(context.Context) (<-chan []*store.HeadChange, error)
ChainGetRandomness(ctx context.Context, tsk types.TipSetKey, personalization crypto.DomainSeparationTag, randEpoch abi.ChainEpoch, entropy []byte) (abi.Randomness, error)
ChainGetTipSetByHeight(context.Context, abi.ChainEpoch, types.TipSetKey) (*types.TipSet, error)
ChainGetBlockMessages(context.Context, cid.Cid) (*api.BlockMessages, error)
ChainReadObj(context.Context, cid.Cid) ([]byte, error)
ChainHasObj(context.Context, cid.Cid) (bool, error)
WalletSign(context.Context, address.Address, []byte) (*crypto.Signature, error)
WalletBalance(context.Context, address.Address) (types.BigInt, error)
WalletHas(context.Context, address.Address) (bool, error)
}
func NewMiner(api storageMinerApi, maddr, worker address.Address, h host.Host, ds datastore.Batching, sealer sealmgr.Manager, sc sealing.SectorIDCounter, tktFn sealing.TicketFn) (*Miner, error) {
m := &Miner{
api: api,
h: h,
sealer: sealer,
ds: ds,
tktFn: tktFn,
sc: sc,
maddr: maddr,
worker: worker,
}
return m, nil
}
func (m *Miner) Run(ctx context.Context) error {
if err := m.runPreflightChecks(ctx); err != nil {
return xerrors.Errorf("miner preflight checks failed: %w", err)
}
evts := events.NewEvents(ctx, m.api)
m.sealing = sealing.New(m.api, evts, m.maddr, m.worker, m.ds, m.sealer, m.sc, m.tktFn)
go m.sealing.Run(ctx)
return nil
}
func (m *Miner) Stop(ctx context.Context) error {
defer m.sealing.Stop(ctx)
return nil
}
func (m *Miner) runPreflightChecks(ctx context.Context) error {
has, err := m.api.WalletHas(ctx, m.worker)
if err != nil {
return xerrors.Errorf("failed to check wallet for worker key: %w", err)
}
if !has {
return errors.New("key for worker not found in local wallet")
}
log.Infof("starting up miner %s, worker addr %s", m.maddr, m.worker)
return nil
}
type SectorBuilderEpp struct {
prover storage.Prover
miner abi.ActorID
}
func NewElectionPoStProver(sb storage.Prover, miner dtypes.MinerID) *SectorBuilderEpp {
return &SectorBuilderEpp{sb, abi.ActorID(miner)}
}
var _ gen.ElectionPoStProver = (*SectorBuilderEpp)(nil)
func (epp *SectorBuilderEpp) GenerateCandidates(ctx context.Context, ssi []abi.SectorInfo, rand abi.PoStRandomness) ([]storage.PoStCandidateWithTicket, error) {
start := time.Now()
var faults []abi.SectorNumber // TODO
cds, err := epp.prover.GenerateEPostCandidates(ctx, epp.miner, ssi, rand, faults)
if err != nil {
return nil, xerrors.Errorf("failed to generate candidates: %w", err)
}
log.Infof("Generate candidates took %s", time.Since(start))
return cds, nil
}
func (epp *SectorBuilderEpp) ComputeProof(ctx context.Context, ssi []abi.SectorInfo, rand []byte, winners []storage.PoStCandidateWithTicket) ([]abi.PoStProof, error) {
if build.InsecurePoStValidation {
log.Warn("Generating fake EPost proof! You should only see this while running tests!")
return []abi.PoStProof{{ProofBytes: []byte("valid proof")}}, nil
}
owins := make([]abi.PoStCandidate, 0, len(winners))
for _, w := range winners {
owins = append(owins, w.Candidate)
}
start := time.Now()
proof, err := epp.prover.ComputeElectionPoSt(ctx, epp.miner, ssi, rand, owins)
if err != nil {
return nil, err
}
log.Infof("ComputeElectionPost took %s", time.Since(start))
return proof, nil
}