MsgCreateTopicis constructed to facilitate the AOL topic. Message sender can set a topic and description. The writer can add record after receiving the appropriate privileges.
MsgAddWriterperforms a function similar to issuing a certificate.
MsgDeleteWriterremoves writer from the topic. It is impossible to add record to the topic after being deprived of authority.
MsgAddRecordadd record or any data to the topic. If
FeePayerAddressis provided, node charges fee to FeePayer.