lotus/miner/warmup.go

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1.9 KiB
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2020-11-12 14:31:21 +00:00
package miner
import (
"context"
"crypto/rand"
"math"
"time"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-bitfield"
"github.com/filecoin-project/go-state-types/abi"
proof2 "github.com/filecoin-project/specs-actors/v2/actors/runtime/proof"
"github.com/filecoin-project/lotus/chain/types"
)
func (m *Miner) winPoStWarmup(ctx context.Context) error {
deadlines, err := m.api.StateMinerDeadlines(ctx, m.address, types.EmptyTSK)
if err != nil {
return xerrors.Errorf("getting deadlines: %w", err)
}
var sector abi.SectorNumber = math.MaxUint64
for dlIdx := range deadlines {
partitions, err := m.api.StateMinerPartitions(ctx, m.address, uint64(dlIdx), types.EmptyTSK)
if err != nil {
return xerrors.Errorf("getting partitions for deadline %d: %w", dlIdx, err)
}
for _, partition := range partitions {
b, err := partition.ActiveSectors.First()
if err == bitfield.ErrNoBitsSet {
continue
}
if err != nil {
return err
}
sector = abi.SectorNumber(b)
}
}
if sector == math.MaxUint64 {
log.Info("skipping winning PoSt warmup, no sectors")
return nil
}
log.Infow("starting winning PoSt warmup", "sector", sector)
start := time.Now()
var r abi.PoStRandomness = make([]byte, abi.RandomnessLength)
_, _ = rand.Read(r)
si, err := m.api.StateSectorGetInfo(ctx, m.address, sector, types.EmptyTSK)
if err != nil {
return xerrors.Errorf("getting sector info: %w", err)
}
_, err = m.epp.ComputeProof(ctx, []proof2.SectorInfo{
{
SealProof: si.SealProof,
SectorNumber: sector,
SealedCID: si.SealedCID,
},
}, r)
if err != nil {
return xerrors.Errorf("failed to compute proof: %w", err)
}
log.Infow("winning PoSt warmup successful", "took", time.Now().Sub(start))
return nil
}
func (m *Miner) doWinPoStWarmup(ctx context.Context) {
err := m.winPoStWarmup(ctx)
if err != nil {
log.Errorw("winning PoSt warmup failed", "error", err)
}
}