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Restructured from flat .tex/.pdf files into per-paper subdirectories. Added Antje Worring as co-author on all papers. Synced PDFs to pdfs/ for download site.
95 lines
2.9 KiB
TeX
95 lines
2.9 KiB
TeX
\section{Implementation}
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\label{sec:implementation}
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%%==========================================================================
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\subsection{Architecture Overview}
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LRP is implemented across three layers:
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\begin{enumerate}[leftmargin=1.5em]
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\item \textbf{P-Chain native extension}: Go implementation extending the existing P-Chain
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VM to track restaking commitments, operator registrations, and slash events. Core data
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structures added to the P-Chain state trie include \texttt{OperatorRecord},
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\texttt{AVSRecord}, and \texttt{RestakingCommitment}.
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\item \textbf{C-Chain smart contracts}: Solidity contracts for \texttt{OperatorVault},
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\texttt{LRPCoordinator}, \texttt{AVSRegistry}, and \texttt{InsuranceFund}.
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\item \textbf{LRP Node Sidecar}: Go daemon running alongside the Lux node, monitoring
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AVS task queues, verifying proofs, and submitting slash/reward transactions.
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\end{enumerate}
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\subsection{P-Chain State Extensions}
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The P-Chain state is extended with:
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\begin{verbatim}
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type OperatorRecord struct {
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NodeID ids.NodeID
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BLSPublicKey bls.PublicKey
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StakeAmount uint64
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Allocations map[ids.ID]uint32 // AVS ID -> allocation bps
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ReputationScore uint16
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FrozenUntil time.Time
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}
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type AVSRecord struct {
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AVSID ids.ID
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SlasherContract common.Address
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MinSecurity uint64
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MinOperators uint16
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WithdrawDelay time.Duration
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Category AVSCategory
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}
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\end{verbatim}
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\subsection{Benchmark Results (Fuji Testnet)}
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We deployed LRP on Lux Fuji testnet in 2025 with 200 simulated operators and
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12 registered AVSs. Key performance metrics:
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\begin{table}[H]
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\centering
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\caption{LRP Prototype Performance (Fuji Testnet)}
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\label{tab:perf}
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\begin{tabular}{lrr}
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\toprule
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\textbf{Operation} & \textbf{Median Latency} & \textbf{P99 Latency} \\
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\midrule
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Operator registration & 187 ms & 312 ms \\
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AVS opt-in & 145 ms & 289 ms \\
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Slash submission & 203 ms & 445 ms \\
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Slash finalization & 1.87 s & 3.12 s \\
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Reward distribution & 94 ms & 178 ms \\
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Reputation update & 112 ms & 201 ms \\
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\bottomrule
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\end{tabular}
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\end{table}
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All operations satisfy the target latency budgets established in the LRP specification.
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The slash finalization time of 1.87 s (median) represents the full path from proof
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submission through veto window to P-Chain state update.
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\subsection{Gas and Fee Analysis}
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C-Chain smart contract gas costs:
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\begin{table}[H]
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\centering
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\caption{LRP Smart Contract Gas Costs}
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\label{tab:gas}
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\begin{tabular}{lrr}
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\toprule
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\textbf{Function} & \textbf{Gas Used} & \textbf{Cost at 25 gwei} \\
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\midrule
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\texttt{registerOperator} & 187,432 & \$0.008 \\
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\texttt{optIntoAVS} & 94,211 & \$0.004 \\
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\texttt{depositToVault} & 68,923 & \$0.003 \\
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\texttt{submitSlashProof} & 342,815 & \$0.015 \\
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\texttt{distributeRewards} (50 ops) & 412,000 & \$0.018 \\
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\texttt{withdrawFromVault} & 89,447 & \$0.004 \\
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\bottomrule
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\end{tabular}
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\end{table}
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%%==========================================================================
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