Drips Network lost 24882.99 DAIs due to integer conversion holes

According to the SlowMist Security Alert, the give function in the Drips Network ' s daidripshub contract had integer type conversion holes, resulting in the theft of 24882.99 DAIs. The loophole originated in the unverified upper value when the uint128 amt was converted to int128, and the attackers reversed the flow of funds by entering specific values, resulting in the depletion of reserves。