@lidofinance/lido-ethereum-sdk/dist/esm/stvault/utils/overview/calculate-health.js

<div style="display: flex;" align="center"> <h1 align="center">Lido Ethereum SDK</h1> </div>

import { BASIS_POINTS_DENOMINATOR } from '../../consts/index.js';
export const calculateHealth = (args) => {
    const { totalValue, liabilitySharesInStethWei, forceRebalanceThresholdBP } = args;
    // Convert everything to BigInt and perform calculations with 1e18 precision
    const PRECISION = 10n ** 18n;
    const thresholdMultiplier = ((BASIS_POINTS_DENOMINATOR - BigInt(forceRebalanceThresholdBP)) *
        PRECISION) /
        BASIS_POINTS_DENOMINATOR;
    const adjustedValuation = (totalValue * thresholdMultiplier) / PRECISION;
    const healthRatio18 = liabilitySharesInStethWei > 0n
        ? (adjustedValuation * PRECISION * 100n) / liabilitySharesInStethWei
        : Infinity;
    const healthRatio = Number(healthRatio18) / 1e18;
    // Convert to readable format
    const isHealthy = healthRatio >= 100;
    return {
        healthRatio,
        healthRatio18,
        isHealthy,
    };
};
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