42 lines
1023 B
Go
42 lines
1023 B
Go
package storiface
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import (
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"context"
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"errors"
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"github.com/ipfs/go-cid"
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"golang.org/x/xerrors"
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"github.com/filecoin-project/go-state-types/abi"
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"github.com/filecoin-project/lotus/storage/sealer/fr32"
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)
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var ErrSectorNotFound = errors.New("sector not found")
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type UnpaddedByteIndex uint64
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func (i UnpaddedByteIndex) Padded() PaddedByteIndex {
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return PaddedByteIndex(abi.UnpaddedPieceSize(i).Padded())
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}
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func (i UnpaddedByteIndex) Valid() error {
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if i%127 != 0 {
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return xerrors.Errorf("unpadded byte index must be a multiple of 127")
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}
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return nil
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}
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func UnpaddedFloor(n uint64) UnpaddedByteIndex {
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return UnpaddedByteIndex(n / uint64(fr32.UnpaddedFr32Chunk) * uint64(fr32.UnpaddedFr32Chunk))
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}
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func UnpaddedCeil(n uint64) UnpaddedByteIndex {
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return UnpaddedByteIndex((n + uint64(fr32.UnpaddedFr32Chunk-1)) / uint64(fr32.UnpaddedFr32Chunk) * uint64(fr32.UnpaddedFr32Chunk))
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}
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type PaddedByteIndex uint64
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type RGetter func(ctx context.Context, id abi.SectorID) (sealed cid.Cid, update bool, err error)
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