The way I understand this is if the contract owner changes this to a lower value before the user claims the rewords he will miss on a possibility of claiming rewords using a higher value per_block. Is this correct?
No, there are no missed rewards. If the generation rate is changed, there are lower or higher rewards minted, but they are claimed using a position with a specific rps that takes into account the moment of the last claim, and which afterwards resets to a new position after claiming (goes to the current rps of the farm).
No, there are no missed rewards. If the generation rate is changed, there are lower or higher rewards minted, but they are claimed using a position with a specific rps that takes into account the moment of the last claim, and which afterwards resets to a new position after claiming (goes to the current rps of the farm).