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Extract active protocols dynamically rather than statically for Nolus Protocol #2321

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9c8b887
Extract active protocols dynamically rather than statically
metodi96 Jan 30, 2026
f448fc7
Add defensive checks for nested properties
metodi96 Jan 30, 2026
619a97a
Use nullish coalescing instead of OR for decimals
metodi96 Jan 30, 2026
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146 changes: 67 additions & 79 deletions src/adaptors/nolus-protocol/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -2,81 +2,14 @@ const utils = require('../utils');
const _ = require('lodash');
const BigNumber = require('bignumber.js');

// Osmosis Noble USDC Protocol Contracts (OSMOSIS-OSMOSIS-USDC_NOBLE) pirin-1
const osmosisUsdcOracleAddr =
'nolus1vjlaegqa7ssm2ygf2nnew6smsj8ref9cmurerc7pzwxqjre2wzpqyez4w6';
const osmosisUsdcLppAddr =
'nolus1ueytzwqyadm6r0z8ajse7g6gzum4w3vv04qazctf8ugqrrej6n4sq027cf';

// Osmosis allBTC Protocol Contracts (OSMOSIS-OSMOSIS-ALL_BTC) pirin-1
const osmosisAllBtcOracleAddr =
'nolus1y0nlrnw25mh2vxhaupamwca4wdvuxs26tq4tnxgjk8pw0gxevwfq5ry07c';
const osmosisAllBtcLppAddr =
'nolus1w2yz345pqheuk85f0rj687q6ny79vlj9sd6kxwwex696act6qgkqfz7jy3';

// Osmosis allSOL Protocol Contracts (OSMOSIS-OSMOSIS-ALL_SOL) pirin-1
const osmosisAllSolOracleAddr =
'nolus153kmhl85vavd03r9c7ardw4fgydge6kvvhrx5v2uvec4eyrlwthsejc6ce';
const osmosisAllSolLppAddr =
'nolus1qufnnuwj0dcerhkhuxefda6h5m24e64v2hfp9pac5lglwclxz9dsva77wm';

// Astroport USDC Protocol Contracts (NEUTRON-ASTROPORT-USDC_NOBLE) pirin-1
const astroportUsdcOracleAddr =
'nolus1vhzdx9lqexuqc0wqd48c5hc437yzw7jy7ggum9k25yy2hz7eaatq0mepvn';
const astroportUsdcLppAddr =
'nolus17vsedux675vc44yu7et9m64ndxsy907v7sfgrk7tw3xnjtqemx3q6t3xw6';

// Osmosis stATOM Protocol Contracts (OSMOSIS-OSMOSIS-ST_ATOM) pirin-1
//Note: APY is 0% atm, so not worth adding, but might in the future
//const osmosisStAtomOracleAddr = 'nolus1mtcv0vhpt94s82mcemj5sc3v94pq3k2g62yfa5p82npfnd3xqx8q2w8c5f'
//const osmosisStAtomLppAddr = 'nolus1jufcaqm6657xmfltdezzz85quz92rmtd88jk5x0hq9zqseem32ysjdm990'

// Osmosis AKT Protocol Contracts (OSMOSIS-OSMOSIS-AKT) pirin-1
//Note: APY is 0% atm, so not worth adding, but might in the future
//const osmosisAktOracleAddr = 'nolus12sx0kr60rptp846z2wvuwyxn47spg55dcnzwrhl4f7nfdduzsrxq7rfetn'
//const osmosisAktLppAddr = 'nolus1lxr7f5xe02jq6cce4puk6540mtu9sg36at2dms5sk69wdtzdrg9qq0t67z'

// Osmosis ATOM Protocol Contracts (OSMOSIS-OSMOSIS-ATOM) pirin-1
//Note: APY is 0% atm, so not worth adding, but might in the future
//const osmosisAtomOracleAddr = 'nolus16xt97qd5mc2zkya7fs5hvuavk92cqds82qjuq6rf7p7akxfcuxcs5u2280'
//const osmosisAtomLppAddr = 'nolus1u0zt8x3mkver0447glfupz9lz6wnt62j70p5fhhtu3fr46gcdd9s5dz9l6'

const contracts = [
{
lpp: osmosisUsdcLppAddr,
oracle: osmosisUsdcOracleAddr,
symbol: 'USDC',
protocolName: 'OSMOSIS-OSMOSIS-USDC_NOBLE',
meta: '',
},
{
lpp: osmosisAllBtcLppAddr,
oracle: osmosisAllBtcOracleAddr,
symbol: 'BTC',
protocolName: 'OSMOSIS-OSMOSIS-ALL_BTC',
meta: '',
},
{
lpp: osmosisAllSolLppAddr,
oracle: osmosisAllSolOracleAddr,
symbol: 'SOL',
protocolName: 'OSMOSIS-OSMOSIS-ALL_SOL',
meta: '',
},
{
lpp: astroportUsdcLppAddr,
oracle: astroportUsdcOracleAddr,
symbol: 'USDC',
protocolName: 'NEUTRON-ASTROPORT-USDC_NOBLE',
meta: '',
},
];

// nolus node rest api
const api = 'https://lcd.nolus.network';
// ETL(extract transform load) rest api
const etlAddress = 'https://etl.nolus.network';

// Base decimals for stable price quote (USDC)
const STABLE_QUOTE_DECIMALS = 6;

const queryContract = async function (contract, data) {
if (typeof data !== 'string') {
data = JSON.stringify(data);
Expand All @@ -88,7 +21,61 @@ const queryContract = async function (contract, data) {
return out;
};

/**
* Fetches active protocols from the ETL API
* Returns array of protocol objects with lpp, oracle, symbol, and protocolName
*/
const fetchActiveProtocols = async () => {
const protocolsData = await utils.getData(
`${etlAddress}/api/protocols/active`
);
const protocols = protocolsData?.protocols || [];

return protocols
.filter((p) => p.contracts?.lpp && p.contracts?.oracle)
.map((p) => ({
lpp: p.contracts.lpp,
oracle: p.contracts.oracle,
symbol: p.lpn_symbol,
protocolName: p.name,
meta: '',
}));
};

/**
* Fetches currencies from the ETL API and builds a decimals lookup map
* Returns a map of ticker -> decimal_digits
*/
const fetchCurrencyDecimals = async () => {
const currenciesData = await utils.getData(`${etlAddress}/api/currencies`);
const currencies = currenciesData?.currencies || [];

const decimalsMap = {};
for (const currency of currencies) {
if (currency.is_active) {
decimalsMap[currency.ticker] = currency.decimal_digits;
}
}
return decimalsMap;
};

/**
* Calculates the decimal adjustment factor for price calculation
* When the LPN token has more decimals than the stable quote (6),
* we need to multiply the price by 10^(lpn_decimals - stable_decimals)
*/
const getDecimalAdjustment = (lpnDecimals) => {
const decimalDiff = lpnDecimals - STABLE_QUOTE_DECIMALS;
return decimalDiff > 0 ? Math.pow(10, decimalDiff) : 1;
};

const getApy = async () => {
// Fetch active protocols dynamically from ETL
const contracts = await fetchActiveProtocols();

// Fetch currency decimals for dynamic adjustment
const currencyDecimals = await fetchCurrencyDecimals();

// Fetch all pool data in a single request
const poolsData = await utils.getData(`${etlAddress}/api/pools`);
const poolsMap = {};
Expand Down Expand Up @@ -129,21 +116,22 @@ const getApy = async () => {
const totalBorrowUsd = Number(poolData?.borrowed);
const safeEarnApr = Number.isFinite(earnApr) ? earnApr : 0;
const safeBorrowApr = Number.isFinite(borrowApr) ? borrowApr : 0;
const safeTotalSupplyUsd = Number.isFinite(totalSupplyUsd) ? totalSupplyUsd : 0;
const safeTotalBorrowUsd = Number.isFinite(totalBorrowUsd) ? totalBorrowUsd : 0;
const safeTotalSupplyUsd = Number.isFinite(totalSupplyUsd)
? totalSupplyUsd
: 0;
const safeTotalBorrowUsd = Number.isFinite(totalBorrowUsd)
? totalBorrowUsd
: 0;

// Calculate asset price with BigNumber
const amount = new BigNumber(oraclePriceData.data.amount.amount);
const amountQuote = new BigNumber(oraclePriceData.data.amount_quote.amount);
let price = amountQuote.div(amount);

// Adjust price for decimal differences
const decimalsAdjustment = {
USDC: 1,
BTC: 1,
SOL: 1000, // 9 - 6 = 3 decimal places difference, 10^3 = 1000
};
price = price.times(decimalsAdjustment[c.symbol] || 1); // Default to 1 if symbol is not in the map
// Get LPN decimals from currencies API and calculate adjustment
const lpnDecimals = currencyDecimals[c.symbol] || STABLE_QUOTE_DECIMALS;
const decimalsAdjustment = getDecimalAdjustment(lpnDecimals);
price = price.times(decimalsAdjustment);

// Calculate TVL in USD
const balance = new BigNumber(lppBalanceData.data.balance.amount);
Expand Down
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