zkSync contracts v8 upgrade announcement

We will start the notice period to upgrade zkSync contracts to a new version today.

Changes

The exact changes in the code of the contracts can be found here (opens new window).

Added

• cutUpgradeNoticePeriodBySignature a function for approving instant upgrade by security council members.
• Create2Factory.sol - the smart contract that used to deploys targets.
• New event ApproveCutUpgradeNoticePeriod(address) emitted after security council member approve upgrade.
• Check that the deposited amount is non-zero.

Changed

• Upgrade can be initialized/finished in case of exodus mode.
• cutUpgradeNoticePeriod takes the hash of targets to which upgrades initialized.
• WithdrawalPending - event parameters changed.
• Withdraw/ForcedExit/FullExit may be executed on executeBlocks or stored as pending depending on the input parameters when executing the block.
• Minor gas optimizations are used.