Imports github.com/Stebalien/go-bitfield github.com/gogo/protobuf/proto github.com/ipfs/go-cid github.com/ipfs/go-ipld-format github.com/ipfs/go-merkledag github.com/ipfs/go-unixfs github.com/ipfs/go-unixfs/pb github.com/spaolacci/murmur3 Standard library imports context fmt math/bits os