mev-inspect/lib/classifier/items/aaveV1.js

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

import poolAbi from '../../abi/aaveV1Pool.js';
import { isValidPool } from '../index.js';
function isValid(event, address, chainId) {
    return (event.name === 'LiquidationCall' &&
        isValidPool(chainId, 'AaveV1', address.toLowerCase()));
}
function getMarketCalls() {
    return [];
}
function processMarketCalls(_chainId, address) {
    return {
        poolAddress: address.toLowerCase(),
    };
}
function parseRepayment(market, event) {
    const { values, transactionFrom, transactionHash: hash, transactionIndex, gasUsed, logIndex, address, blockHash, blockNumber, } = event;
    const asset = normalizeAsset(values.reserve.toLowerCase());
    const borrower = values.user.toLowerCase();
    const amount = values.purchaseAmount;
    const payer = values.liquidator.toLowerCase();
    return {
        contract: {
            address: market.address,
            protocol: {
                abi: 'AaveV1',
                pool: market.pool,
            },
        },
        block: {
            hash: blockHash,
            number: blockNumber,
        },
        transaction: {
            from: transactionFrom.toLowerCase(),
            hash,
            index: transactionIndex,
            gasUsed,
        },
        event: {
            logIndex,
            address: address.toLowerCase(),
        },
        payer,
        borrower,
        asset: {
            type: 'erc20',
            address: asset,
        },
        amount,
    };
}
function parseSeizure(market, event) {
    const { values, transactionFrom, transactionHash: hash, transactionIndex, gasUsed, logIndex, address, blockHash, blockNumber, } = event;
    const asset = normalizeAsset(values.collateral.toLowerCase());
    const borrower = values.user.toLowerCase();
    const amount = values.liquidatedCollateralAmount;
    const seizor = values.liquidator.toLowerCase();
    return {
        contract: {
            address: market.address,
            protocol: {
                abi: 'AaveV1',
                pool: market.pool,
            },
        },
        block: {
            hash: blockHash,
            number: blockNumber,
        },
        transaction: {
            from: transactionFrom.toLowerCase(),
            hash,
            index: transactionIndex,
            gasUsed,
        },
        event: {
            logIndex,
            address: address.toLowerCase(),
        },
        seizor,
        borrower,
        asset: {
            type: 'erc20',
            address: asset,
        },
        amount,
    };
}
function normalizeAsset(asset) {
    if (asset == '0xeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeee') {
        return '0xc02aaa39b223fe8d0a0e5c4f27ead9083c756cc2';
    }
    return asset;
}
const CLASSIFIERS = {
    repayment: {
        type: 'repayment',
        protocol: 'AaveV1',
        abi: poolAbi,
        isValid,
        parse: parseRepayment,
        market: {
            getCalls: getMarketCalls,
            processCalls: processMarketCalls,
        },
    },
    seizure: {
        type: 'seizure',
        protocol: 'AaveV1',
        abi: poolAbi,
        isValid,
        parse: parseSeizure,
        market: {
            getCalls: getMarketCalls,
            processCalls: processMarketCalls,
        },
    },
};
export default CLASSIFIERS;
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