ChiaChi Tsai requested to merge cc@bls-hash-util into marigold@bls Jun 17, 2021

Context

add OP2IP and I2OSP to crypto_utils

Manually testing the MR

dune exec src/lib_crypto/test/test_crypto_utils.exe

Document the interface of any function added or modified (see the coding guidelines)
Document any change to the user interface, including configuration parameters (see node configuration)
Provide automatic testing (see the testing guide).
[ ] For new features and bug fixes, add an item in the appropriate changelog (docs/protocols/alpha.rst for the protocol and the environment, the Development Version section of CHANGES.md for everything else).
Select suitable reviewers using the Reviewers field below.