Chnages:

RENAME:

• PENALTY_ADDRESS to penaltyAddress
• LOCKUP_PERIOD_BLOCKS to lockupPeriodBlocks

Change claim() to add second param limit, can be set to 0 by default: claim(bool, uint256)

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How contract works?

It's standard "vault" masterchef (fork of autofarm), with addition of locked rewards and automatic emission updates.

When user calls deposit() or withdraw(), pending tokens are stored to array together with unlock block. When claim() is called, it calculates how many tokens are already past unlock block and sends them to the user. if tokens are not unlocked yet (and user specified to claim them too using true as first param), 50% of locked tokens is sent to penaltyAddress, 50% to the user.