lotus/storage/miner.go
2019-11-02 00:43:54 +01:00

139 lines
4.0 KiB
Go

package storage
import (
"context"
"github.com/filecoin-project/lotus/lib/statestore"
"github.com/ipfs/go-datastore/namespace"
"sync"
"github.com/ipfs/go-cid"
"github.com/ipfs/go-datastore"
logging "github.com/ipfs/go-log"
"github.com/libp2p/go-libp2p-core/host"
"github.com/pkg/errors"
"github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/chain/address"
"github.com/filecoin-project/lotus/chain/events"
"github.com/filecoin-project/lotus/chain/store"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/storage/sector"
)
var log = logging.Logger("storageminer")
const PoStConfidence = 3
type Miner struct {
api storageMinerApi
events *events.Events
h host.Host
secst *sector.Store
maddr address.Address
worker address.Address
// PoSt
postLk sync.Mutex
schedPost uint64
// Sealing
sectors *statestore.StateStore
sectorIncoming chan *SectorInfo
sectorUpdated chan sectorUpdate
stop chan struct{}
stopped chan struct{}
}
type storageMinerApi interface {
// I think I want this... but this is tricky
//ReadState(ctx context.Context, addr address.Address) (????, error)
// Call a read only method on actors (no interaction with the chain required)
StateCall(ctx context.Context, msg *types.Message, ts *types.TipSet) (*types.MessageReceipt, error)
StateMinerWorker(context.Context, address.Address, *types.TipSet) (address.Address, error)
StateMinerProvingPeriodEnd(context.Context, address.Address, *types.TipSet) (uint64, error)
StateMinerSectors(context.Context, address.Address, *types.TipSet) ([]*api.SectorInfo, error)
StateMinerProvingSet(context.Context, address.Address, *types.TipSet) ([]*api.SectorInfo, error)
StateMinerSectorSize(context.Context, address.Address, *types.TipSet) (uint64, error)
StateWaitMsg(context.Context, cid.Cid) (*api.MsgWait, error)
MpoolPushMessage(context.Context, *types.Message) (*types.SignedMessage, error)
ChainHead(context.Context) (*types.TipSet, error)
ChainNotify(context.Context) (<-chan []*store.HeadChange, error)
ChainGetRandomness(context.Context, *types.TipSet, []*types.Ticket, int) ([]byte, error)
ChainGetTipSetByHeight(context.Context, uint64, *types.TipSet) (*types.TipSet, error)
ChainGetBlockMessages(context.Context, cid.Cid) (*api.BlockMessages, error)
WalletSign(context.Context, address.Address, []byte) (*types.Signature, error)
WalletBalance(context.Context, address.Address) (types.BigInt, error)
WalletHas(context.Context, address.Address) (bool, error)
}
func NewMiner(api storageMinerApi, addr address.Address, h host.Host, ds datastore.Batching, secst *sector.Store) (*Miner, error) {
return &Miner{
api: api,
maddr: addr,
h: h,
secst: secst,
sectors: statestore.New(namespace.Wrap(ds, datastore.NewKey("/sectors"))),
sectorIncoming: make(chan *SectorInfo),
sectorUpdated: make(chan sectorUpdate),
stop: make(chan struct{}),
stopped: make(chan struct{}),
}, nil
}
func (m *Miner) Run(ctx context.Context) error {
if err := m.runPreflightChecks(ctx); err != nil {
return errors.Wrap(err, "miner preflight checks failed")
}
m.events = events.NewEvents(ctx, m.api)
go m.beginPosting(ctx)
go m.sectorStateLoop(ctx)
return nil
}
func (m *Miner) Stop(ctx context.Context) error {
close(m.stop)
select {
case <-m.stopped:
return nil
case <-ctx.Done():
return ctx.Err()
}
}
func (m *Miner) runPreflightChecks(ctx context.Context) error {
worker, err := m.api.StateMinerWorker(ctx, m.maddr, nil)
if err != nil {
return err
}
m.worker = worker
has, err := m.api.WalletHas(ctx, worker)
if err != nil {
return errors.Wrap(err, "failed to check wallet for worker key")
}
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
}
func (m *Miner) SectorSize(ctx context.Context) (uint64, error) {
// TODO: cache this
return m.api.StateMinerSectorSize(ctx, m.maddr, nil)
}