...
Search → 155101
Create → 155102
Update → 155103
Delete → 155104
Amend (create amendment) → 152109155109
Invoice Payment prefix will be 1552
Search → 155201
Create → 155202
Update → 155203
Delete → 155204
Refund→ 155206
Invoice event, prefix will be 1553
Search → 155201155301
Create → 155202 155302 (out of scope)
Update → 155203155303(out of scope)
Delete → 155204155304(out of scope)
CreateMessage → 155206155306
DeleteMyMessage → 155207155307
DeleteAllMessage → 155207155308
Front end
The front end will have the same layout as the contract
...