proxyd
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proxyd /etc/proxyd/proxyd.toml
Features:
- Whitelists RPC methods
- Routes RPC methods to groups of backend services
- 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 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)
Logs
ERROR
Error forwarding RPC batch
error forwarding request to backend
error proxying websocket
error writing clientConn message
error serving requests
WARN
backend request failed, trying again
backend banned - not healthy
backend banned - unexpected block tags
proxied requests' XFF header will not contain the proxyd ip address
peer count responded with 200 and 0 peers
failed request
error updating backend
backend broke consensus
INFO
Related
- Consensus
- Emerald Dshackle load balancer
- dRPC
- Total number of primary candidates
- Optimism Censorship Bug Disclosure
See also
- 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 - Optimism,
OP
, OP Stack, OP Architecture,op-
, Superchain, Optimism Bedrock, Proxyd, Crypto sequencer, rollup, Optimistic Rollup Protocol, Optimism Blobs, Optimism monitorism, fault-mon,eth-optimism/sdk
,L2OutputOracle.sol, OptimismPortal.sol
, OP Sepolia Testnet (11155420), OP Labs, Optimism Foundation, Fault Proof, Ecotone, Fjord, Rollup node, L2 Chain Derivation Specification, Fastnode.io, OP Contracts Manager (OPCM)
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