KEYID contract upgrade process

MYKEY smart contract upgrade process

Steps	Checkpoint
1. Code preparation and internal testing for contract upgrade	Test Pass
2. Contract code submitted to audit company for audit	Audit pass, get audit report
3. New contract deployment and code verification	check the link of new contract and the result of code verification
4. submit code and audit report to github(https://github.com/mykeylab/)	code/code link
5. Prepare and publicize the contract upgrade announcement. The announcement content includes Reason for upgrade / Upgraded code link / Audit report link / New and old contract address / Trigger time / Effective time	Announcement
6. Multiple sign wallets send transactions, trigger the addition of new contracts, and remove the old contracts.	Transaction link
7. After the delayed effective period(4 days) expires, any wallet sends a transaction, triggers the new contract to take effect, and removes the old contract. Update completed.	Transaction link