eason-w/propamm-liquidity-dashboard

This project is a live dashboard for comparing cryptocurrency trading liquidity across different types of exchanges on the Base and BSC blockchain networks. It brings together three kinds of price sources side by side: specialized on chain market makers called PropAMMs, well known public decentralized exchanges like Uniswap and PancakeSwap, and centralized exchanges like Binance and Coinbase, so a trader can see who actually offers the best executable price for a given trading pair right now. It covers a handful of specific token pairs on Base and BSC, such as WETH against USDC and WBNB against USDT, always comparing against one fixed, clearly chosen pool per exchange so the comparison does not quietly shift between different fee tiers behind the scenes. Prices update roughly every two seconds and reflect what you would actually pay or receive for a real trade of a given size, not just a theoretical midpoint number. If a data source fails to respond, the dashboard marks that value as no longer live rather than showing a fake or outdated number as if it were current. A notable feature is a routing simulator, which works out how to split a trade across multiple liquidity sources to get the best possible total outcome. It runs this calculation as a numerical search rather than actually executing real trades on chain, and it clearly states that its results are read only quotes, not executed transactions, and do not account for things like gas fees or wallet approvals. To run it yourself, you need a fairly recent version of Node.js. After installing dependencies and building the project, it starts a local web server you can open in a browser, with a separate hot reload mode available for development. Optional environment settings let you connect your own private blockchain RPC endpoints instead of the defaults.