// NewBlockWithHash creates a new block when the hash of the data
// is already known, this is used to save time in situations where
// we are able to be confident that the data is correct
func NewBlockWithHash(data []byte, h mh.Multihash) (*Block, error) {
if hash.Debug {
chk := hash.Hash(data)
if string(chk) != string(h) {
return nil, errors.New("Data did not match given hash!")
}
}
return &Block{Data: data, Multihash: h}, nil
}
// NewBlock creates a Block object from opaque data. It will hash the data.
func NewBlock(data []byte) *Block {
return &Block{Data: data, Multihash: hash.Hash(data)}
}