lotus/node/modules/storageminer.go
2020-09-02 19:50:52 +01:00

700 lines
22 KiB
Go

package modules
import (
"context"
"errors"
"fmt"
"net/http"
"time"
"go.uber.org/fx"
"go.uber.org/multierr"
"golang.org/x/xerrors"
"github.com/ipfs/go-bitswap"
"github.com/ipfs/go-bitswap/network"
"github.com/ipfs/go-blockservice"
"github.com/ipfs/go-cid"
"github.com/ipfs/go-datastore"
"github.com/ipfs/go-datastore/namespace"
graphsync "github.com/ipfs/go-graphsync/impl"
gsnet "github.com/ipfs/go-graphsync/network"
"github.com/ipfs/go-graphsync/storeutil"
"github.com/ipfs/go-merkledag"
"github.com/libp2p/go-libp2p-core/host"
"github.com/libp2p/go-libp2p-core/routing"
"github.com/filecoin-project/go-address"
dtimpl "github.com/filecoin-project/go-data-transfer/impl"
dtnet "github.com/filecoin-project/go-data-transfer/network"
dtgstransport "github.com/filecoin-project/go-data-transfer/transport/graphsync"
piecefilestore "github.com/filecoin-project/go-fil-markets/filestore"
"github.com/filecoin-project/go-fil-markets/piecestore"
"github.com/filecoin-project/go-fil-markets/retrievalmarket"
retrievalimpl "github.com/filecoin-project/go-fil-markets/retrievalmarket/impl"
rmnet "github.com/filecoin-project/go-fil-markets/retrievalmarket/network"
"github.com/filecoin-project/go-fil-markets/storagemarket"
storageimpl "github.com/filecoin-project/go-fil-markets/storagemarket/impl"
"github.com/filecoin-project/go-fil-markets/storagemarket/impl/funds"
"github.com/filecoin-project/go-fil-markets/storagemarket/impl/storedask"
smnet "github.com/filecoin-project/go-fil-markets/storagemarket/network"
"github.com/filecoin-project/go-jsonrpc/auth"
"github.com/filecoin-project/go-multistore"
paramfetch "github.com/filecoin-project/go-paramfetch"
"github.com/filecoin-project/go-storedcounter"
"github.com/filecoin-project/specs-actors/actors/abi"
sectorstorage "github.com/filecoin-project/lotus/extern/sector-storage"
"github.com/filecoin-project/lotus/extern/sector-storage/ffiwrapper"
"github.com/filecoin-project/lotus/extern/sector-storage/stores"
sealing "github.com/filecoin-project/lotus/extern/storage-sealing"
"github.com/filecoin-project/lotus/extern/storage-sealing/sealiface"
lapi "github.com/filecoin-project/lotus/api"
"github.com/filecoin-project/lotus/build"
"github.com/filecoin-project/lotus/chain/gen"
"github.com/filecoin-project/lotus/chain/gen/slashfilter"
"github.com/filecoin-project/lotus/chain/types"
"github.com/filecoin-project/lotus/lib/blockstore"
marketevents "github.com/filecoin-project/lotus/markets/loggers"
"github.com/filecoin-project/lotus/markets/retrievaladapter"
"github.com/filecoin-project/lotus/miner"
"github.com/filecoin-project/lotus/node/config"
"github.com/filecoin-project/lotus/node/modules/dtypes"
"github.com/filecoin-project/lotus/node/modules/helpers"
"github.com/filecoin-project/lotus/node/repo"
"github.com/filecoin-project/lotus/storage"
)
var StorageCounterDSPrefix = "/storage/nextid"
func minerAddrFromDS(ds dtypes.MetadataDS) (address.Address, error) {
maddrb, err := ds.Get(datastore.NewKey("miner-address"))
if err != nil {
return address.Undef, err
}
return address.NewFromBytes(maddrb)
}
func GetParams(sbc *ffiwrapper.Config) error {
ssize, err := sbc.SealProofType.SectorSize()
if err != nil {
return err
}
// If built-in assets are disabled, we expect the user to have placed the right
// parameters in the right location on the filesystem (/var/tmp/filecoin-proof-parameters).
if build.DisableBuiltinAssets {
return nil
}
if err := paramfetch.GetParams(context.TODO(), build.ParametersJSON(), uint64(ssize)); err != nil {
return xerrors.Errorf("fetching proof parameters: %w", err)
}
return nil
}
func MinerAddress(ds dtypes.MetadataDS) (dtypes.MinerAddress, error) {
ma, err := minerAddrFromDS(ds)
return dtypes.MinerAddress(ma), err
}
func MinerID(ma dtypes.MinerAddress) (dtypes.MinerID, error) {
id, err := address.IDFromAddress(address.Address(ma))
return dtypes.MinerID(id), err
}
func StorageNetworkName(ctx helpers.MetricsCtx, a lapi.FullNode) (dtypes.NetworkName, error) {
return a.StateNetworkName(ctx)
}
func ProofsConfig(maddr dtypes.MinerAddress, fnapi lapi.FullNode) (*ffiwrapper.Config, error) {
mi, err := fnapi.StateMinerInfo(context.TODO(), address.Address(maddr), types.EmptyTSK)
if err != nil {
return nil, err
}
spt, err := ffiwrapper.SealProofTypeFromSectorSize(mi.SectorSize)
if err != nil {
return nil, xerrors.Errorf("bad sector size: %w", err)
}
sb := &ffiwrapper.Config{
SealProofType: spt,
}
return sb, nil
}
type sidsc struct {
sc *storedcounter.StoredCounter
}
func (s *sidsc) Next() (abi.SectorNumber, error) {
i, err := s.sc.Next()
return abi.SectorNumber(i), err
}
func SectorIDCounter(ds dtypes.MetadataDS) sealing.SectorIDCounter {
sc := storedcounter.New(ds, datastore.NewKey(StorageCounterDSPrefix))
return &sidsc{sc}
}
type StorageMinerParams struct {
fx.In
Lifecycle fx.Lifecycle
MetricsCtx helpers.MetricsCtx
API lapi.FullNode
Host host.Host
MetadataDS dtypes.MetadataDS
Sealer sectorstorage.SectorManager
SectorIDCounter sealing.SectorIDCounter
Verifier ffiwrapper.Verifier
GetSealingConfigFn dtypes.GetSealingConfigFunc
}
func StorageMiner(fc config.MinerFeeConfig) func(params StorageMinerParams) (*storage.Miner, error) {
return func(params StorageMinerParams) (*storage.Miner, error) {
var (
ds = params.MetadataDS
mctx = params.MetricsCtx
lc = params.Lifecycle
api = params.API
sealer = params.Sealer
h = params.Host
sc = params.SectorIDCounter
verif = params.Verifier
gsd = params.GetSealingConfigFn
)
maddr, err := minerAddrFromDS(ds)
if err != nil {
return nil, err
}
ctx := helpers.LifecycleCtx(mctx, lc)
mi, err := api.StateMinerInfo(ctx, maddr, types.EmptyTSK)
if err != nil {
return nil, err
}
worker, err := api.StateAccountKey(ctx, mi.Worker, types.EmptyTSK)
if err != nil {
return nil, err
}
fps, err := storage.NewWindowedPoStScheduler(api, fc, sealer, sealer, maddr, worker)
if err != nil {
return nil, err
}
sm, err := storage.NewMiner(api, maddr, worker, h, ds, sealer, sc, verif, gsd, fc)
if err != nil {
return nil, err
}
lc.Append(fx.Hook{
OnStart: func(context.Context) error {
go fps.Run(ctx)
return sm.Run(ctx)
},
OnStop: sm.Stop,
})
return sm, nil
}
}
func HandleRetrieval(host host.Host, lc fx.Lifecycle, m retrievalmarket.RetrievalProvider) {
lc.Append(fx.Hook{
OnStart: func(context.Context) error {
m.SubscribeToEvents(marketevents.RetrievalProviderLogger)
return m.Start()
},
OnStop: func(context.Context) error {
return m.Stop()
},
})
}
func HandleDeals(mctx helpers.MetricsCtx, lc fx.Lifecycle, host host.Host, h storagemarket.StorageProvider) {
ctx := helpers.LifecycleCtx(mctx, lc)
lc.Append(fx.Hook{
OnStart: func(context.Context) error {
h.SubscribeToEvents(marketevents.StorageProviderLogger)
return h.Start(ctx)
},
OnStop: func(context.Context) error {
return h.Stop()
},
})
}
// NewProviderDAGServiceDataTransfer returns a data transfer manager that just
// uses the provider's Staging DAG service for transfers
func NewProviderDAGServiceDataTransfer(lc fx.Lifecycle, h host.Host, gs dtypes.StagingGraphsync, ds dtypes.MetadataDS) (dtypes.ProviderDataTransfer, error) {
sc := storedcounter.New(ds, datastore.NewKey("/datatransfer/provider/counter"))
net := dtnet.NewFromLibp2pHost(h)
dtDs := namespace.Wrap(ds, datastore.NewKey("/datatransfer/provider/transfers"))
transport := dtgstransport.NewTransport(h.ID(), gs)
dt, err := dtimpl.NewDataTransfer(dtDs, net, transport, sc)
if err != nil {
return nil, err
}
lc.Append(fx.Hook{
OnStart: func(ctx context.Context) error {
return dt.Start(ctx)
},
OnStop: func(ctx context.Context) error {
return dt.Stop(ctx)
},
})
return dt, nil
}
// NewProviderPieceStore creates a statestore for storing metadata about pieces
// shared by the storage and retrieval providers
func NewProviderPieceStore(ds dtypes.MetadataDS) dtypes.ProviderPieceStore {
return piecestore.NewPieceStore(namespace.Wrap(ds, datastore.NewKey("/storagemarket")))
}
func StagingMultiDatastore(lc fx.Lifecycle, r repo.LockedRepo) (dtypes.StagingMultiDstore, error) {
ds, err := r.Datastore("/staging")
if err != nil {
return nil, xerrors.Errorf("getting datastore out of reop: %w", err)
}
mds, err := multistore.NewMultiDstore(ds)
if err != nil {
return nil, err
}
lc.Append(fx.Hook{
OnStop: func(ctx context.Context) error {
return mds.Close()
},
})
return mds, nil
}
// StagingBlockstore creates a blockstore for staging blocks for a miner
// in a storage deal, prior to sealing
func StagingBlockstore(r repo.LockedRepo) (dtypes.StagingBlockstore, error) {
stagingds, err := r.Datastore("/staging")
if err != nil {
return nil, err
}
return blockstore.NewBlockstore(stagingds), nil
}
// StagingDAG is a DAGService for the StagingBlockstore
func StagingDAG(mctx helpers.MetricsCtx, lc fx.Lifecycle, ibs dtypes.StagingBlockstore, rt routing.Routing, h host.Host) (dtypes.StagingDAG, error) {
bitswapNetwork := network.NewFromIpfsHost(h, rt)
bitswapOptions := []bitswap.Option{bitswap.ProvideEnabled(false)}
exch := bitswap.New(mctx, bitswapNetwork, ibs, bitswapOptions...)
bsvc := blockservice.New(ibs, exch)
dag := merkledag.NewDAGService(bsvc)
lc.Append(fx.Hook{
OnStop: func(_ context.Context) error {
// blockservice closes the exchange
return bsvc.Close()
},
})
return dag, nil
}
// StagingGraphsync creates a graphsync instance which reads and writes blocks
// to the StagingBlockstore
func StagingGraphsync(mctx helpers.MetricsCtx, lc fx.Lifecycle, ibs dtypes.StagingBlockstore, h host.Host) dtypes.StagingGraphsync {
graphsyncNetwork := gsnet.NewFromLibp2pHost(h)
loader := storeutil.LoaderForBlockstore(ibs)
storer := storeutil.StorerForBlockstore(ibs)
gs := graphsync.New(helpers.LifecycleCtx(mctx, lc), graphsyncNetwork, loader, storer, graphsync.RejectAllRequestsByDefault())
return gs
}
func SetupBlockProducer(lc fx.Lifecycle, ds dtypes.MetadataDS, api lapi.FullNode, epp gen.WinningPoStProver, sf *slashfilter.SlashFilter) (*miner.Miner, error) {
minerAddr, err := minerAddrFromDS(ds)
if err != nil {
return nil, err
}
m := miner.NewMiner(api, epp, minerAddr, sf)
lc.Append(fx.Hook{
OnStart: func(ctx context.Context) error {
if err := m.Start(ctx); err != nil {
return err
}
return nil
},
OnStop: func(ctx context.Context) error {
return m.Stop(ctx)
},
})
return m, nil
}
func NewStorageAsk(ctx helpers.MetricsCtx, fapi lapi.FullNode, ds dtypes.MetadataDS, minerAddress dtypes.MinerAddress, spn storagemarket.StorageProviderNode) (*storedask.StoredAsk, error) {
mi, err := fapi.StateMinerInfo(ctx, address.Address(minerAddress), types.EmptyTSK)
if err != nil {
return nil, err
}
storedAsk, err := storedask.NewStoredAsk(namespace.Wrap(ds, datastore.NewKey("/deals/provider")), datastore.NewKey("latest-ask"), spn, address.Address(minerAddress))
if err != nil {
return nil, err
}
// Hacky way to set max piece size to the sector size
a := storedAsk.GetAsk().Ask
err = storedAsk.SetAsk(a.Price, a.VerifiedPrice, a.Expiry-a.Timestamp, storagemarket.MaxPieceSize(abi.PaddedPieceSize(mi.SectorSize)))
if err != nil {
return storedAsk, err
}
return storedAsk, nil
}
type ProviderDealFunds funds.DealFunds
func NewProviderDealFunds(ds dtypes.MetadataDS) (ProviderDealFunds, error) {
return funds.NewDealFunds(ds, datastore.NewKey("/marketfunds/provider"))
}
func BasicDealFilter(user dtypes.DealFilter) func(onlineOk dtypes.ConsiderOnlineStorageDealsConfigFunc,
offlineOk dtypes.ConsiderOfflineStorageDealsConfigFunc,
blocklistFunc dtypes.StorageDealPieceCidBlocklistConfigFunc,
expectedSealTimeFunc dtypes.GetExpectedSealDurationFunc,
spn storagemarket.StorageProviderNode) dtypes.DealFilter {
return func(onlineOk dtypes.ConsiderOnlineStorageDealsConfigFunc,
offlineOk dtypes.ConsiderOfflineStorageDealsConfigFunc,
blocklistFunc dtypes.StorageDealPieceCidBlocklistConfigFunc,
expectedSealTimeFunc dtypes.GetExpectedSealDurationFunc,
spn storagemarket.StorageProviderNode) dtypes.DealFilter {
return func(ctx context.Context, deal storagemarket.MinerDeal) (bool, string, error) {
b, err := onlineOk()
if err != nil {
return false, "miner error", err
}
if deal.Ref != nil && deal.Ref.TransferType != storagemarket.TTManual && !b {
log.Warnf("online storage deal consideration disabled; rejecting storage deal proposal from client: %s", deal.Client.String())
return false, "miner is not considering online storage deals", nil
}
b, err = offlineOk()
if err != nil {
return false, "miner error", err
}
if deal.Ref != nil && deal.Ref.TransferType == storagemarket.TTManual && !b {
log.Warnf("offline storage deal consideration disabled; rejecting storage deal proposal from client: %s", deal.Client.String())
return false, "miner is not accepting offline storage deals", nil
}
blocklist, err := blocklistFunc()
if err != nil {
return false, "miner error", err
}
for idx := range blocklist {
if deal.Proposal.PieceCID.Equals(blocklist[idx]) {
log.Warnf("piece CID in proposal %s is blocklisted; rejecting storage deal proposal from client: %s", deal.Proposal.PieceCID, deal.Client.String())
return false, fmt.Sprintf("miner has blocklisted piece CID %s", deal.Proposal.PieceCID), nil
}
}
sealDuration, err := expectedSealTimeFunc()
if err != nil {
return false, "miner error", err
}
sealEpochs := sealDuration / (time.Duration(build.BlockDelaySecs) * time.Second)
_, ht, err := spn.GetChainHead(ctx)
if err != nil {
return false, "failed to get chain head", err
}
earliest := abi.ChainEpoch(sealEpochs) + ht
if deal.Proposal.StartEpoch < earliest {
log.Warnw("proposed deal would start before sealing can be completed; rejecting storage deal proposal from client", "piece_cid", deal.Proposal.PieceCID, "client", deal.Client.String(), "seal_duration", sealDuration, "earliest", earliest, "curepoch", ht)
return false, fmt.Sprintf("cannot seal a sector before %s", deal.Proposal.StartEpoch), nil
}
if user != nil {
return user(ctx, deal)
}
return true, "", nil
}
}
}
func StorageProvider(minerAddress dtypes.MinerAddress,
ffiConfig *ffiwrapper.Config,
storedAsk *storedask.StoredAsk,
h host.Host, ds dtypes.MetadataDS,
mds dtypes.StagingMultiDstore,
r repo.LockedRepo,
pieceStore dtypes.ProviderPieceStore,
dataTransfer dtypes.ProviderDataTransfer,
spn storagemarket.StorageProviderNode,
df dtypes.DealFilter,
funds ProviderDealFunds,
) (storagemarket.StorageProvider, error) {
net := smnet.NewFromLibp2pHost(h)
store, err := piecefilestore.NewLocalFileStore(piecefilestore.OsPath(r.Path()))
if err != nil {
return nil, err
}
opt := storageimpl.CustomDealDecisionLogic(storageimpl.DealDeciderFunc(df))
return storageimpl.NewProvider(net, namespace.Wrap(ds, datastore.NewKey("/deals/provider")), store, mds, pieceStore, dataTransfer, spn, address.Address(minerAddress), ffiConfig.SealProofType, storedAsk, funds, opt)
}
// RetrievalProvider creates a new retrieval provider attached to the provider blockstore
func RetrievalProvider(h host.Host, miner *storage.Miner, sealer sectorstorage.SectorManager, full lapi.FullNode, ds dtypes.MetadataDS, pieceStore dtypes.ProviderPieceStore, mds dtypes.StagingMultiDstore, dt dtypes.ProviderDataTransfer, onlineOk dtypes.ConsiderOnlineRetrievalDealsConfigFunc, offlineOk dtypes.ConsiderOfflineRetrievalDealsConfigFunc) (retrievalmarket.RetrievalProvider, error) {
adapter := retrievaladapter.NewRetrievalProviderNode(miner, sealer, full)
maddr, err := minerAddrFromDS(ds)
if err != nil {
return nil, err
}
netwk := rmnet.NewFromLibp2pHost(h)
opt := retrievalimpl.DealDeciderOpt(func(ctx context.Context, state retrievalmarket.ProviderDealState) (bool, string, error) {
b, err := onlineOk()
if err != nil {
return false, "miner error", err
}
if !b {
log.Warn("online retrieval deal consideration disabled; rejecting retrieval deal proposal from client")
return false, "miner is not accepting online retrieval deals", nil
}
b, err = offlineOk()
if err != nil {
return false, "miner error", err
}
if !b {
log.Info("offline retrieval has not been implemented yet")
}
return true, "", nil
})
return retrievalimpl.NewProvider(maddr, adapter, netwk, pieceStore, mds, dt, namespace.Wrap(ds, datastore.NewKey("/retrievals/provider")), opt)
}
func SectorStorage(mctx helpers.MetricsCtx, lc fx.Lifecycle, ls stores.LocalStorage, si stores.SectorIndex, cfg *ffiwrapper.Config, sc sectorstorage.SealerConfig, urls sectorstorage.URLs, sa sectorstorage.StorageAuth) (*sectorstorage.Manager, error) {
ctx := helpers.LifecycleCtx(mctx, lc)
sst, err := sectorstorage.New(ctx, ls, si, cfg, sc, urls, sa)
if err != nil {
return nil, err
}
lc.Append(fx.Hook{
OnStop: sst.Close,
})
return sst, nil
}
func StorageAuth(ctx helpers.MetricsCtx, ca lapi.Common) (sectorstorage.StorageAuth, error) {
token, err := ca.AuthNew(ctx, []auth.Permission{"admin"})
if err != nil {
return nil, xerrors.Errorf("creating storage auth header: %w", err)
}
headers := http.Header{}
headers.Add("Authorization", "Bearer "+string(token))
return sectorstorage.StorageAuth(headers), nil
}
func NewConsiderOnlineStorageDealsConfigFunc(r repo.LockedRepo) (dtypes.ConsiderOnlineStorageDealsConfigFunc, error) {
return func() (out bool, err error) {
err = readCfg(r, func(cfg *config.StorageMiner) {
out = cfg.Dealmaking.ConsiderOnlineStorageDeals
})
return
}, nil
}
func NewSetConsideringOnlineStorageDealsFunc(r repo.LockedRepo) (dtypes.SetConsiderOnlineStorageDealsConfigFunc, error) {
return func(b bool) (err error) {
err = mutateCfg(r, func(cfg *config.StorageMiner) {
cfg.Dealmaking.ConsiderOnlineStorageDeals = b
})
return
}, nil
}
func NewConsiderOnlineRetrievalDealsConfigFunc(r repo.LockedRepo) (dtypes.ConsiderOnlineRetrievalDealsConfigFunc, error) {
return func() (out bool, err error) {
err = readCfg(r, func(cfg *config.StorageMiner) {
out = cfg.Dealmaking.ConsiderOnlineRetrievalDeals
})
return
}, nil
}
func NewSetConsiderOnlineRetrievalDealsConfigFunc(r repo.LockedRepo) (dtypes.SetConsiderOnlineRetrievalDealsConfigFunc, error) {
return func(b bool) (err error) {
err = mutateCfg(r, func(cfg *config.StorageMiner) {
cfg.Dealmaking.ConsiderOnlineRetrievalDeals = b
})
return
}, nil
}
func NewStorageDealPieceCidBlocklistConfigFunc(r repo.LockedRepo) (dtypes.StorageDealPieceCidBlocklistConfigFunc, error) {
return func() (out []cid.Cid, err error) {
err = readCfg(r, func(cfg *config.StorageMiner) {
out = cfg.Dealmaking.PieceCidBlocklist
})
return
}, nil
}
func NewSetStorageDealPieceCidBlocklistConfigFunc(r repo.LockedRepo) (dtypes.SetStorageDealPieceCidBlocklistConfigFunc, error) {
return func(blocklist []cid.Cid) (err error) {
err = mutateCfg(r, func(cfg *config.StorageMiner) {
cfg.Dealmaking.PieceCidBlocklist = blocklist
})
return
}, nil
}
func NewConsiderOfflineStorageDealsConfigFunc(r repo.LockedRepo) (dtypes.ConsiderOfflineStorageDealsConfigFunc, error) {
return func() (out bool, err error) {
err = readCfg(r, func(cfg *config.StorageMiner) {
out = cfg.Dealmaking.ConsiderOfflineStorageDeals
})
return
}, nil
}
func NewSetConsideringOfflineStorageDealsFunc(r repo.LockedRepo) (dtypes.SetConsiderOfflineStorageDealsConfigFunc, error) {
return func(b bool) (err error) {
err = mutateCfg(r, func(cfg *config.StorageMiner) {
cfg.Dealmaking.ConsiderOfflineStorageDeals = b
})
return
}, nil
}
func NewConsiderOfflineRetrievalDealsConfigFunc(r repo.LockedRepo) (dtypes.ConsiderOfflineRetrievalDealsConfigFunc, error) {
return func() (out bool, err error) {
err = readCfg(r, func(cfg *config.StorageMiner) {
out = cfg.Dealmaking.ConsiderOfflineRetrievalDeals
})
return
}, nil
}
func NewSetConsiderOfflineRetrievalDealsConfigFunc(r repo.LockedRepo) (dtypes.SetConsiderOfflineRetrievalDealsConfigFunc, error) {
return func(b bool) (err error) {
err = mutateCfg(r, func(cfg *config.StorageMiner) {
cfg.Dealmaking.ConsiderOfflineRetrievalDeals = b
})
return
}, nil
}
func NewSetSealConfigFunc(r repo.LockedRepo) (dtypes.SetSealingConfigFunc, error) {
return func(cfg sealiface.Config) (err error) {
err = mutateCfg(r, func(c *config.StorageMiner) {
c.Sealing = config.SealingConfig{
MaxWaitDealsSectors: cfg.MaxWaitDealsSectors,
MaxSealingSectors: cfg.MaxSealingSectors,
WaitDealsDelay: config.Duration(cfg.WaitDealsDelay),
}
})
return
}, nil
}
func NewGetSealConfigFunc(r repo.LockedRepo) (dtypes.GetSealingConfigFunc, error) {
return func() (out sealiface.Config, err error) {
err = readCfg(r, func(cfg *config.StorageMiner) {
out = sealiface.Config{
MaxWaitDealsSectors: cfg.Sealing.MaxWaitDealsSectors,
MaxSealingSectors: cfg.Sealing.MaxSealingSectors,
MaxSealingSectorsForDeals: cfg.Sealing.MaxSealingSectorsForDeals,
WaitDealsDelay: time.Duration(cfg.Sealing.WaitDealsDelay),
}
})
return
}, nil
}
func NewSetExpectedSealDurationFunc(r repo.LockedRepo) (dtypes.SetExpectedSealDurationFunc, error) {
return func(delay time.Duration) (err error) {
err = mutateCfg(r, func(cfg *config.StorageMiner) {
cfg.Dealmaking.ExpectedSealDuration = config.Duration(delay)
})
return
}, nil
}
func NewGetExpectedSealDurationFunc(r repo.LockedRepo) (dtypes.GetExpectedSealDurationFunc, error) {
return func() (out time.Duration, err error) {
err = readCfg(r, func(cfg *config.StorageMiner) {
out = time.Duration(cfg.Dealmaking.ExpectedSealDuration)
})
return
}, nil
}
func readCfg(r repo.LockedRepo, accessor func(*config.StorageMiner)) error {
raw, err := r.Config()
if err != nil {
return err
}
cfg, ok := raw.(*config.StorageMiner)
if !ok {
return xerrors.New("expected address of config.StorageMiner")
}
accessor(cfg)
return nil
}
func mutateCfg(r repo.LockedRepo, mutator func(*config.StorageMiner)) error {
var typeErr error
setConfigErr := r.SetConfig(func(raw interface{}) {
cfg, ok := raw.(*config.StorageMiner)
if !ok {
typeErr = errors.New("expected miner config")
return
}
mutator(cfg)
})
return multierr.Combine(typeErr, setConfigErr)
}