lotus/extern/storage-sealing/states_proving.go

package sealing

import (
	"golang.org/x/xerrors"

	"github.com/filecoin-project/go-statemachine"
)

func (m *Sealing) handleFaulty(ctx statemachine.Context, sector SectorInfo) error {
	// TODO: noop because this is now handled by the PoSt scheduler. We can reuse
	//  this state for tracking faulty sectors, or remove it when that won't be
	//  a breaking change
	return nil
}

func (m *Sealing) handleFaultReported(ctx statemachine.Context, sector SectorInfo) error {
	if sector.FaultReportMsg == nil {
		return xerrors.Errorf("entered fault reported state without a FaultReportMsg cid")
	}

	mw, err := m.api.StateWaitMsg(ctx.Context(), *sector.FaultReportMsg)
	if err != nil {
		return xerrors.Errorf("failed to wait for fault declaration: %w", err)
	}

	if mw.Receipt.ExitCode != 0 {
		log.Errorf("UNHANDLED: declaring sector fault failed (exit=%d, msg=%s) (id: %d)", mw.Receipt.ExitCode, *sector.FaultReportMsg, sector.SectorNumber)
		return xerrors.Errorf("UNHANDLED: submitting fault declaration failed (exit %d)", mw.Receipt.ExitCode)
	}

	return ctx.Send(SectorFaultedFinal{})
}

func (m *Sealing) handleRemoving(ctx statemachine.Context, sector SectorInfo) error {
	if err := m.sealer.Remove(ctx.Context(), m.minerSector(sector.SectorType, sector.SectorNumber)); err != nil {
		return ctx.Send(SectorRemoveFailed{err})
	}

	return ctx.Send(SectorRemoved{})
}