some code cannot enter execution in handlePreCommitFailed

[diwufeiwen]

https://github.com/filecoin-project/storage-fsm/blob/master/states_failed.go#L91
if pci, is := m.checkPreCommitted(ctx, sector); is && pci != nil {
// do something
}

func (m *Sealing) checkPreCommitted(ctx statemachine.Context, sector SectorInfo) (*miner.SectorPreCommitOnChainInfo, bool) {
tok, _, err := m.api.ChainHead(ctx.Context())
if err != nil {
log.Errorf("handleSealPrecommit1Failed(%d): temp error: %+v", sector.SectorNumber, err)
return nil, true // pci==nil && is ?
}

info, err := m.api.StateSectorPreCommitInfo(ctx.Context(), m.maddr, sector.SectorNumber, tok)
if err != nil {
	log.Errorf("handleSealPrecommit1Failed(%d): temp error: %+v", sector.SectorNumber, err)
	return nil, true  // pci==nil && is ?
}

return info, false  // pci!=nil && !is

}

[arajasek]

Fixed in #3445