feat: Implement dynamic weighted RPC load balancing for enhanced resilience #6128
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…lience This commit introduces dynamic weight adjustment for RPC providers, improving failover and resilience by adapting to real-time provider health. Key changes include: - Introduced a `Health` module (`chain/ethereum/src/health.rs`) to monitor RPC provider latency, error rates, and consecutive failures. - Integrated health metrics into the RPC provider selection logic in `chain/ethereum/src/network.rs`. - Dynamically adjusts provider weights based on their health scores, ensuring traffic is steered away from underperforming endpoints. - Updated `node/src/network_setup.rs` to initialize and manage health checkers for Ethereum RPC adapters. - Added `tokio` dependency to `chain/ethereum/Cargo.toml` and `node/Cargo.toml` for asynchronous health checks. - Refactored test cases in `chain/ethereum/src/network.rs` to accommodate dynamic weighting. This enhancement builds upon the existing static weighted RPC steering, allowing for more adaptive and robust RPC management. Fixes #6126
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Summary
This PR introduces dynamic weight adjustment for RPC providers, improving failover and resilience by adapting to real-time provider health. The system now dynamically adjusts provider selection weights based on health metrics including latency, error rates, and consecutive failures.
This enhancement builds upon the static weighted RPC steering implemented in #6126, making the RPC management more adaptive and robust.
Changes
Core Implementation
chain/ethereum/src/health.rs): New module to track RPC provider health metricsIntegration Points
Dynamic Weight Adjustment (
chain/ethereum/src/network.rs): Integrated health metrics into provider selection logicHealth Checker Initialization (
node/src/network_setup.rs): Setup and management of health checkers for Ethereum RPC adaptersDependencies
tokiodependency tochain/ethereumandnodecrates for asynchronous health checksTesting
chain/ethereum/src/network.rsto accommodate dynamic weighting behaviorRelated Issues
Builds on #6126 - Weighted RPC load balancing
Test Plan
🤖 Generated with Claude Code