Felföldi Zsolt
7a800f98f6
les/utils: UDP rate limiter (#21930)
* les/utils: Limiter
* les/utils: dropped prior weight vs variable cost logic, using fixed weights
* les/utils: always create node selector in addressGroup
* les/utils: renamed request weight to request cost
* les/utils: simplified and improved the DoS penalty mechanism
* les/utils: minor fixes
* les/utils: made selection weight calculation nicer
* les/utils: fixed linter warning
* les/utils: more precise and reliable probabilistic test
* les/utils: fixed linter warning