lotus/ffiwrapper/config.go
2020-03-27 22:35:33 +01:00

73 lines
2.3 KiB
Go

package ffiwrapper
import (
"fmt"
"golang.org/x/xerrors"
"github.com/filecoin-project/specs-actors/actors/abi"
)
type Config struct {
SealProofType abi.RegisteredProof
PoStProofType abi.RegisteredProof
_ struct{} // guard against nameless init
}
func sizeFromConfig(cfg Config) (abi.SectorSize, error) {
if cfg.SealProofType == abi.RegisteredProof(0) {
return abi.SectorSize(0), xerrors.New("must specify a seal proof type from abi.RegisteredProof")
}
if cfg.PoStProofType == abi.RegisteredProof(0) {
return abi.SectorSize(0), xerrors.New("must specify a PoSt proof type from abi.RegisteredProof")
}
s1, err := SectorSizeForRegisteredProof(cfg.SealProofType)
if err != nil {
return abi.SectorSize(0), err
}
s2, err := SectorSizeForRegisteredProof(cfg.PoStProofType)
if err != nil {
return abi.SectorSize(0), err
}
if s1 != s2 {
return abi.SectorSize(0), xerrors.Errorf("seal sector size %d does not equal PoSt sector size %d", s1, s2)
}
return s1, nil
}
// TODO: remove this method after implementing it along side the registered proofs and importing it from there.
func SectorSizeForRegisteredProof(p abi.RegisteredProof) (abi.SectorSize, error) {
switch p {
case abi.RegisteredProof_StackedDRG32GiBSeal, abi.RegisteredProof_StackedDRG32GiBPoSt:
return 32 << 30, nil
case abi.RegisteredProof_StackedDRG2KiBSeal, abi.RegisteredProof_StackedDRG2KiBPoSt:
return 2 << 10, nil
case abi.RegisteredProof_StackedDRG8MiBSeal, abi.RegisteredProof_StackedDRG8MiBPoSt:
return 8 << 20, nil
case abi.RegisteredProof_StackedDRG512MiBSeal, abi.RegisteredProof_StackedDRG512MiBPoSt:
return 512 << 20, nil
default:
return 0, fmt.Errorf("unsupported registered proof %d", p)
}
}
func ProofTypeFromSectorSize(ssize abi.SectorSize) (abi.RegisteredProof, abi.RegisteredProof, error) {
switch ssize {
case 2 << 10:
return abi.RegisteredProof_StackedDRG2KiBPoSt, abi.RegisteredProof_StackedDRG2KiBSeal, nil
case 8 << 20:
return abi.RegisteredProof_StackedDRG8MiBPoSt, abi.RegisteredProof_StackedDRG8MiBSeal, nil
case 512 << 20:
return abi.RegisteredProof_StackedDRG512MiBPoSt, abi.RegisteredProof_StackedDRG512MiBSeal, nil
case 32 << 30:
return abi.RegisteredProof_StackedDRG32GiBPoSt, abi.RegisteredProof_StackedDRG32GiBSeal, nil
default:
return 0, 0, xerrors.Errorf("unsupported sector size for miner: %v", ssize)
}
}