Hashes a byte slice using sha256.

Computes the root of a SSZ tree given a list of leaves.

Converts a byte slice to 32 byte array with left padding.

Converts a byte slice to 32 byte array with right padding.

Converts a u64 to a 32 byte array in little endian.

Computes the expected root of a SSZ proof given a leaf, proof, and gindex.

Verifies a SSZ proof.