add_gauge doesn't initialize time_weight and update time_sum

Lines of code Vulnerability details Impact In Curve's implementation, when adding gauge, timeweight of gauge type is being initialized and timesum being updated. if self.timesumgaugetype == 0: self.timesumgaugetype = nexttime self.timeweightaddr = nexttime Since timesum has been set in constructo...

GaugeController - Vulnerability with changing gauge weight would make the contract stop working

Lines of code Vulnerability details Impact The issue is applied differently based on how changegaugeweight works. 1. When changing gauge weight is essential for every enabled gauge before any vote happens An attacker can front-run changegaugeweight transaction to manipulate slope which can result...