Feat/endorsement cooldown

[victorkl400]

Upgrade X2EarnApps to Version 3, XAllocationVoting to version 4, XAllocationPool to version 4, and X2EarnRewardsPool to version 5

Added new endorsement cooldown feature to X2EarnApps, in which vechain nodes enter a cooldown period after endorsing an XApp.


When going live with this feature on mainnet the cooldown period will be 1 round. i.e if a node endorses and app in round 25 they will not be able to change their endorsement till round 26.


Updated XAllocationVoting, XAllocationPool and X2EarnRewardsPool to use version 3 of X2EarnApps interface.

Changes 🚀

• Upgraded Contract(s):
  • X2EarnApps.sol to version 3
  • XAllocationVoting.sol to version 4
  • XAllocationPool.sol to version 4
  • X2EarnRewardsPool.sol to version 5

Storage Changes 📦

• X2EarnApps:
  • Added _endorsementRound to store latest round Vechain Node endorsed an XApp.
  • Added _cooldownPeriod to store cooldown period in terms of rounds.
  • Added _xAllocationVotingGovernor to store XAllocationVoting address.

New Features 🚀

• X2EarnApps:
  • Added checkCooldown() to check if a vechain node is currently in cooldown period, this is a public function that is also used inside endorseApp() and unendorseApp().
  • Added getXAllocationVotingGovernor() to get the address of the XAllocationVoting contract.
  • Added cooldownPeriod() to get the cooldown period in rounds.
  • Added setXAllocationVotingGovernor() to set XAllocationVoting address.
  • Added updateCooldownPeriod() to update cooldown period.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 93.73%. Comparing base (f463f13) to head (f317227).

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #33   +/-   ##
=======================================
  Coverage   93.73%   93.73%           
=======================================
  Files          55       55           
  Lines        3513     3513           
  Branches      781      781           
=======================================
  Hits         3293     3293           
  Misses        220      220           

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.