[HBAR Rate Limit Redesign] Provide configurable rate limiting based on original caller addresses, IP addresses -- whitelist system

[quiet-node]

Problem

Currently, there's a temporary whitelist system in place that allows the Relay to recognize a list of special, whitelisted projects (EVM addresses) and bypass any HBAR rate limits. This logic was introduced in v0.54.1 as a hotfix, with the whitelist being configured via the HBAR_RATE_LIMIT_WHITELIST environment variable. However, this logic currently only supports EVM addresses, while the desired feature is to extend this functionality to IP addresses as well.

Solution

Improved current logic for better performance -> extend the setup to accept IP addresses

Tasks

Beta Give feedback

1. [HBAR Rate Limit Redesign] Extend docs with class diagram for DB schema #2894
   design documentation +2
   
2. [HBAR Rate Limit Redesign] Create DB entity classes #2866
   design enhancement +2
   
3. [HBAR Rate Limit Redesign] Create DB entity repository #2869
   design enhancement +2
   
4. [HBAR Rate Limit Redesign] Implement shouldLimit #2865
   enhancement +1
   
5. [HBAR Rate Limit Redesign] Implement addExpense #2901
   enhancement +1
   
6. [HBAR Rate Limit Redesign] Make the ip address of the request available in the application layer #2867
   enhancement +1
   
7. [HBAR Rate Limit Redesign] Implement resetLimit #2868
   enhancement +1
   
8. [HBAR Rate Limit Redesign] Implement IP address limiting #2888
   enhancement +1
   
9. [HBAR Rate Limit Redesign] Set proper daily limits for subscription tiers #2895
   enhancement +1
10. [HBAR Rate Limit Redesign] Disable spending history #2994
    enhancement +1
    
11. Write a blog post describing the new HBar Rate Limiter. #3051
    enhancement +1
    
12. Record a video illustrating the new HBar Rate Limiter #3052
    enhancement +1