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fix: Refactor APR calculations to APY for Rezerve's lstRZR #2001

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Merged
merged 2 commits into from
Jul 28, 2025
Merged

fix: Refactor APR calculations to APY for Rezerve's lstRZR #2001

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498e83a
Refactor APY calculations to APR and add conversion function
drecronye Jul 18, 2025
bc1314e
Update URL for rezerve-money liquid staking to include UTM parameters
drecronye Jul 25, 2025
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17 changes: 13 additions & 4 deletions src/adaptors/rezerve-money/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -86,10 +86,13 @@ async function calcErc4626PoolApy(vault, prices) {
const sharePriceNow = await calcSharePrice(vault, prices);

const sharePriceYesterday = await calcSharePrice(vault, prices, 1);
const apyBase = calcApy(sharePriceNow, sharePriceYesterday, 1);
const aprBase = calcApr(sharePriceNow, sharePriceYesterday, 1);

const sharePriceWeekBefore = await calcSharePrice(vault, prices, 7);
const apyBase7d = calcApy(sharePriceNow, sharePriceWeekBefore, 7);
const aprBase7d = calcApr(sharePriceNow, sharePriceWeekBefore, 7);

const apyBase = convertAprToApy(aprBase);
const apyBase7d = convertAprToApy(aprBase7d);

return {
pool: `${vault}-${chain}`,
Expand All @@ -103,7 +106,7 @@ async function calcErc4626PoolApy(vault, prices) {
apyBase7d,
apyReward: 0,
poolMeta: vaultMeta[vault].name,
url: 'https://rezerve.money/stake?tab=vaults',
url: 'https://rezerve.money/liquid-staking?utm_source=defillama',
};
}

Expand Down Expand Up @@ -137,7 +140,7 @@ const totalAssets = async (vault, block = 'latest') => {
return new BigNumber(await callAbi(vault, abi.totalAssets, null, block));
};

function calcApy(sharePriceNow, sharePriceBefore, daysBetween) {
function calcApr(sharePriceNow, sharePriceBefore, daysBetween) {
return sharePriceBefore.isZero()
? 0
: sharePriceNow
Expand All @@ -148,6 +151,12 @@ function calcApy(sharePriceNow, sharePriceBefore, daysBetween) {
.toNumber();
}

function convertAprToApy(apr) {
const aprNormalized = apr / 100;
const n = 365 * 3;
return (Math.pow(1 + aprNormalized / n, n) - 1) * 100;
}

async function getShares(vault, block = 'latest') {
return new BigNumber(await totalSupply(vault, block));
}
Expand Down
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