sstoragePisaUnmaskDaggerData should use pora/ethash.go code

[qizhou]

go-ethereum/core/vm/contracts.go

Line 829 in fe04b44

func (l *sstoragePisaUnmaskDaggerData) RunWith(env *PrecompiledContractCallEnv, input []byte) ([]byte, error) {

We should use the code in PoRA (see below) to unmask the data and the input format should follow the general precompiles formats.

go-ethereum/sstorage/pora/ethash.go

Line 89 in fe04b44

func GetMaskData(epoch uint64, encodeKey common.Hash, chunkSize int, maskBuffer []byte) []byte {