mev-inspect/lib/mev/nftSwaps.js

A JS port of 'mev-inspect-py' optimised for ease of use.

import { isValidNftFactory, } from '../classifier/index.js';
function getSwaps(chainId, pools, events, logs) {
    return events
        .map((log) => {
        if (log.classifier.type !== 'nft_swap') {
            return null;
        }
        const poolAddress = log.address.toLowerCase();
        const pool = pools.find((pool) => pool.address === poolAddress);
        if (!pool) {
            return null;
        }
        const protocol = log.classifier.protocol;
        if (!protocol) {
            return null;
        }
        const nftSwapProtocol = protocol;
        if (!isValidNftFactory(chainId, nftSwapProtocol, pool.factory)) {
            return null;
        }
        return log.classifier.parse(pool, log, chainId, logs);
    })
        .filter((swap) => !!swap);
}
export default getSwaps;
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