Krypto Kajun 7b644312be fix(rpc): eliminate 429 rate limiting errors with comprehensive RPC fixes ...

Critical fixes applied to resolve 94.4% error rate from RPC rate limiting:

**Configuration Fixes:**
- .env.production: Set Chainstack WSS as primary endpoint
- config/providers_runtime.yaml: Prioritized Chainstack with 100 RPS limits
- config/arbitrum_production.yaml: Increased rate limits from 20 to 100 RPS

**Code Fixes:**
- pkg/scanner/market/scanner.go: Use shared RPC client from contractExecutor
  instead of creating new clients for every pool fetch (critical fix)

**Results:**
- Blocks processing continuously without interruption
- DEX transactions being detected and analyzed
- 429 errors reduced from 21,590 (94.4%) to minimal occurrences
- System health restored to production readiness

**Root Cause:**
Scanner was creating new RPC clients for every concurrent pool fetch,
bypassing rate limiting and causing excessive requests to RPC endpoint.
Each goroutine's client made independent requests without coordination.

**Technical Details:**
- Shared client respects global rate limits
- Prevents connection pool exhaustion
- Reduces overhead from repeated connection setup
- Ensures all RPC calls go through rate-limited provider manager

Resolves: LOG_ANALYSIS_20251029.md findings
Impact: Critical - enables continuous block processing

🤖 Generated with [Claude Code](https://claude.ai/code)
Co-Authored-By: Claude <noreply@anthropic.com>

2025-10-29 01:14:36 -05:00

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