proxyd
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- Changelog: https://github.com/ethereum-optimism/infra/blob/main/proxyd/CHANGELOG.md
- Config: https://github.com/ethereum-optimism/infra/blob/main/proxyd/config.go
- Releases: https://github.com/ethereum-optimism/infra/tags
Features:
- Whitelists RPC methods (
ws_method_whitelist
) - Routes RPC methods to groups of backend services
- Round-robin Load balance requests across backend services
- Automatically retries failed backend requests
- Cache immutable responses from backends
- Provides metrics to measure request latency, error rates
Consensus related:
- Track backend consensus (latest, safe, finalized blocks), peer count and sync state
- Re-write requests and responses to enforce consensus
- Applies rate limiting (
SenderRateLimitConfig
) on a per-sender basis to avoid being bombarded with signed transactions causing a DOS (Denial of Service) of the sequencer (Optimism Censorship Bug Disclosure)
Proxyd backend healthy[edit]
Errors examples[edit]
Failed sync attempt to a7eaa64c50083f1xxxxxfd96eaabffd1c8f: one or more objects failed to apply, reason: error when patching "/dev/shm/396xxxxx68": Deployment.apps "your-service" is invalid: spec.template.spec.containers[0].env[1].valueFrom: Invalid value: "": may not be specified when `value` is not empty (retried 1 times).
Proxyd logs[edit]
Activities[edit]
Related[edit]
- Consensus
- Emerald Dshackle load balancer
- dRPC
- Total number of primary candidates
- RedisConfig
- Fallback
See also[edit]
proxyd, proxyd logs, config, routing_strategy, consensus_aware (deprecated), SenderRateLimitConfig
, Consensus awareness,ws_method_whitelist
, backend healthy, Proxyd logs- OP Stack:
op-, op-geth, op-node, op-proposer, op-batcher, op-contracts, op-challenger, op-heartbeat, op-ufm, op-service, op-deployer
, Snap Sync, op-conductor, op-dispute-mon
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