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zeekay
de41e5d072
Retract the fabricated '581M/597ns / 100M+/s / 434M GPU / planet-scale' headline (a time.Sleep sim + x40 fudge that measured nothing) across the corpus. Flagship lux-lightspeed-dex rewritten (decomplected d-chain engine / dexvm atomic proxy / Go wrapper / 0x9010 CLOB facade; measured GB10 104-126M & M4 Max ~250M fills/s byte-parity-gated; Knuth-D division lever; Block-STM settlement; P3Q->starkfri rollup to Z-Chain). Technical papers (precompile-engineering, gpu-crypto-stack, evmgpu-benchmark, p3q-corona, smart-order-routing, fhe-mpc-hybrid) carry the measured impl + cross-ref the flagship. >1B/s framed honestly as N-node aggregation, never single-GPU. All compile.
64 lines
2.6 KiB
TeX
64 lines
2.6 KiB
TeX
\section{Current Status}
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\label{sec:current}
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\subsection{Architecture Evolution}
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The Lux exchange architecture has evolved from AMM-first
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(QuantumSwap, 2024) to a hybrid CLOB + AMM design:
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\begin{center}
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\begin{tabular}{lll}
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\toprule
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\textbf{Component} & \textbf{2024 (QuantumSwap)} & \textbf{2026 (Production)} \\
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\midrule
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Matching engine & AMM bonding curves & CLOB (\texttt{luxfi/dex}) \\
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AMM contracts & Proposed & Deployed (V1--V4) \\
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Order privacy & TFHE on all orders & TFHE on Z-Chain only \\
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Stablecoin & Gold/uranium-backed & USD-backed (USDL) \\
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Cross-chain & ZK teleport & Warp messaging + MPC bridge \\
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\bottomrule
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\end{tabular}
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\end{center}
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\subsection{What Shipped}
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\begin{itemize}[nosep]
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\item \textbf{AMM contracts} in \texttt{luxfi/standard/contracts/amm/}
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implement V1 (constant-product), V2 (multi-asset), V3
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(concentrated liquidity), and V4 (hook-extensible) designs.
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The bonding curve algorithms from Sections~2--3 are implemented
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in the V1/V2 pair contracts.
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\item \textbf{CLOB engine} (\texttt{luxfi/dex}) provides 104--250M
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byte-exact \texttt{uint256} fills/s of GPU-accelerated matching
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(104--126M/s on an NVIDIA GB10, $\sim$250M/s on an Apple M4 Max),
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used as the primary exchange engine.
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AMM pools serve as passive liquidity that the CLOB can route
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through.
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\item \textbf{USDL}: The stablecoin shipped as a straightforward
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USD-backed ERC-20, not the RWA-collateralized multi-asset
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design. Physical commodity backing (gold, uranium) was deferred
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due to regulatory complexity around commodity-backed tokens.
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\item \textbf{Mixed FT/NFT pools}: The \texttt{LUXRWAPair} contract
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is deployed for RWA token trading, including SecurityToken
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(ERC-20) swaps.
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\end{itemize}
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\subsection{What Changed}
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\begin{itemize}[nosep]
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\item \textbf{CLOB over AMM}: For securities trading, a CLOB provides
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price discovery, order types (limit, stop, market), and
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regulatory compliance (best execution obligations) that AMMs
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cannot. AMM pools remain available for DeFi use cases.
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\item \textbf{Warp + MPC over ZK teleport}: The production bridge
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uses Warp messaging with BLS aggregation and 2-of-3 MPC
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threshold signing, which is simpler to audit and maintain than
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a full ZK bridge circuit.
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\item \textbf{USD-backed over commodity-backed}: USDL is 1:1
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USD-backed via ACH deposits. The interest rate mechanism
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from Section~\ref{sec:interest} was not needed for a
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fiat-backed stablecoin.
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\end{itemize}
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%% ============================================================
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