_incrementGaugeWeight allows user to add weight to nonexistent gauges

Lines of code Vulnerability details Impact User adds weight to a gauge that hasn't been added In addition to adding to a nonexistent gauge it also increments totalWeight which only contains weight for live gauges. This value then results in returning values for reward distribution that account fo...

ERC20Gauges: The _incrementGaugeWeight function does not check the gauge parameter enough, so the user may lose rewards.

Lines of code Vulnerability details Impact The incrementGaugeWeight function is used to increase the user's weight on the gauge. However, in the incrementGaugeWeight function, it is only checked that the gauge parameter is not in deprecatedGauges, but not checked that the gauge parameter is in...