Results 4 issues of 함윤식

Signed-off-by: yoonsik

I am excited to introduce a new project, zokrates_credential, which implements an on-chain credential verification system This project is composed of three main components: the issuer, prover, and verifier, providing...

#345 Test the case where the invalid_undelegate_transaction_with_invalid_timestamp

#345 Test the case where the invalid_undelegate_transaction_with_invalid_delegator2