lotus/storage/sealing/checks.go
2020-01-20 23:04:27 +01:00

74 lines
2.1 KiB
Go

package sealing
import (
"context"
"golang.org/x/xerrors"
"github.com/filecoin-project/go-address"
"github.com/filecoin-project/lotus/chain/actors"
"github.com/filecoin-project/lotus/chain/types"
)
func checkPieces(ctx context.Context, si *SectorInfo, api sealingApi) error {
for i, piece := range si.Pieces {
deal, err := api.StateMarketStorageDeal(ctx, piece.DealID, nil)
if err != nil {
return xerrors.Errorf("getting deal %d for piece %d: %w", piece.DealID, i, err)
}
if string(deal.PieceRef) != string(piece.CommP) {
return xerrors.Errorf("piece %d of sector %d refers deal %d with wrong CommP: %x != %x", i, si.SectorID, piece.DealID, piece.CommP, deal.PieceRef)
}
if piece.Size != deal.PieceSize {
return xerrors.Errorf("piece %d of sector %d refers deal %d with different size: %d != %d", i, si.SectorID, piece.DealID, piece.Size, deal.PieceSize)
}
}
return nil
}
func checkSeal(ctx context.Context, maddr address.Address, si *SectorInfo, api sealingApi) (err error) {
ssize, err := api.StateMinerSectorSize(ctx, maddr, nil)
if err != nil {
return err
}
ccparams, err := actors.SerializeParams(&actors.ComputeDataCommitmentParams{
DealIDs: si.deals(),
SectorSize: ssize,
})
if err != nil {
return xerrors.Errorf("computing params for ComputeDataCommitment: %w", err)
}
ccmt := &types.Message{
To: actors.StorageMarketAddress,
From: actors.StorageMarketAddress,
Value: types.NewInt(0),
GasPrice: types.NewInt(0),
GasLimit: types.NewInt(9999999999),
Method: actors.SMAMethods.ComputeDataCommitment,
Params: ccparams,
}
r, err := api.StateCall(ctx, ccmt, nil)
if err != nil {
return xerrors.Errorf("calling ComputeDataCommitment: %w", err)
}
if r.ExitCode != 0 {
return xerrors.Errorf("receipt for ComputeDataCommitment han exit code %d", r.ExitCode)
}
if string(r.Return) != string(si.CommD) {
return xerrors.Errorf("on chain CommD differs from sector: %x != %x", r.Return, si.CommD)
}
// TODO: Validate ticket
// TODO: Verify commp / commr / proof
// TODO: (StateCall PreCommit)
return nil
}