digest::Digest
* sp-core-hashing: use sha3 instead of tiny-keccak Signed-off-by: koushiro <koushiro.cqx@gmail.com> * use blake2 instead of blake2-rfc Signed-off-by: koushiro <koushiro.cqx@gmail.com> * improve som hashing of sp-core and sp-api-proc-macro Signed-off-by: koushiro <koushiro.cqx@gmail.com> * Some nits Signed-off-by: koushiro <koushiro.cqx@gmail.com> * cargo fmt Signed-off-by: koushiro <koushiro.cqx@gmail.com>