Add Valdora Finance yield adapter

src/adaptors/valdora-finance/index.js

@@ -0,0 +1,114 @@
+const utils = require('../utils');
+
+const PROJECT = 'valdora-finance';
+const CHAIN = 'ZIGChain';
+const LCD = 'https://public-zigchain-lcd.numia.xyz';
+
+const STAKER_CONTRACT =
+  'zig18nnde5tpn76xj3wm53n0tmuf3q06nruj3p6kdemcllzxqwzkpqzqk7ue55';
+const STZIG_DENOM =
+  'coin.zig109f7g2rzl2aqee7z6gffn8kfe9cpqx0mjkk7ethmx8m2hq4xpe9snmaam2.stzig';
+const ZIG_PRICE_KEY = 'zigchain:uzig';
+const DECIMALS = 1e6;
+const PERFORMANCE_FEE = 0.10;
+const COMMUNITY_TAX = 0.02;
+
+const VALIDATORS = [
+  'zigvaloper18vykgjgcmp2z4xzkt6mh74glrpd7qda8fqldrl',
+  'zigvaloper1vd9ljpsgq5ev7yf7r6tu7t237qqpf2vehp4kvp',
+  'zigvaloper1jh6jve7n4pu9vxnmr67eg4m6qk7d7s4lf4uu0j',
+  'zigvaloper15pwqnx4hgkwq839xv3jgjxh9aj2wdg8p8dgy76',
+];
+
+const get = (path) => utils.getData(`${LCD}${path}`);
+
+const queryContract = async (contract, data) => {
+  const query = Buffer.from(JSON.stringify(data)).toString('base64');
+  const response = await get(`/cosmwasm/wasm/v1/contract/${contract}/smart/${query}`);
+  return response.data;
+};
+
+const getAverageValidatorCommission = async () => {
+  const results = await Promise.allSettled(
+    VALIDATORS.map(async (validator) => {
+      const data = await get(`/cosmos/staking/v1beta1/validators/${validator}`);
+      return Number(data.validator?.commission?.commission_rates?.rate || 0);
+    })
+  );
+
+  const commissions = results
+    .filter((r) => r.status === 'fulfilled')
+    .map((r) => r.value);
+
+  if (!commissions.length) return 0;
+  return commissions.reduce((sum, value) => sum + value, 0) / commissions.length;
+};
+
+const getStzigApr = async () => {
+  const [annualProvisions, stakingPool, averageCommission] = await Promise.all([
+    get('/cosmos/mint/v1beta1/annual_provisions'),
+    get('/cosmos/staking/v1beta1/pool'),
+    getAverageValidatorCommission(),
+  ]);
+
+  const annualProvisionsZig = Number(annualProvisions.annual_provisions) / DECIMALS;
+  const bondedZig = Number(stakingPool.pool?.bonded_tokens || 0) / DECIMALS;
+
+  if (!bondedZig) return 0;
+  return (
+    (annualProvisionsZig / bondedZig) *
+    (1 - COMMUNITY_TAX) *
+    (1 - averageCommission) *
+    (1 - PERFORMANCE_FEE) *
+    100
+  );
+};
+
+const apy = async () => {
+  const [fundsRaised, apyBase, totalSupply, priceData] = await Promise.all([
+    queryContract(STAKER_CONTRACT, { funds_raised: {} }),
+    getStzigApr(),
+    queryContract(STAKER_CONTRACT, { total_supply: {} }),
+    utils.getPriceApiData(`/prices/current/${ZIG_PRICE_KEY}`),
+  ]);
+
+  const zigPrice = priceData.coins[ZIG_PRICE_KEY]?.price;
+  if (!zigPrice) throw new Error('Unable to fetch ZIG price');
+
+  const fundsRaisedValue = Number(fundsRaised.funds_raised);
+  const totalSupplyValue = Number(totalSupply.total_supply);
+
+  if (!Number.isFinite(fundsRaisedValue) || fundsRaisedValue < 0) {
+    throw new Error('Invalid funds_raised contract response');
+  }
+
+  if (!Number.isFinite(totalSupplyValue) || totalSupplyValue <= 0) {
+    throw new Error('Invalid total_supply contract response');
+  }
+
+  const tvlUsd = (fundsRaisedValue / DECIMALS) * zigPrice;
+  const pricePerShare = fundsRaisedValue / totalSupplyValue;
+
+  return [
+    {
+      pool: `${STZIG_DENOM}-${CHAIN}`.toLowerCase(),
+      chain: CHAIN,
+      project: PROJECT,
+      symbol: 'stZIG',
+      tvlUsd,
+      apyBase,
+      pricePerShare,
+      underlyingTokens: ['uzig'],
+      searchTokenOverride: STZIG_DENOM,
+      isIntrinsicSource: true,
+      url: 'https://valdora.finance/stake',
+    },
+  ].filter((pool) => utils.keepFinite(pool));
+};
+
+module.exports = {
+  protocolId: '6991',
+  timetravel: false,
+  apy,
+  url: 'https://valdora.finance/stake',
+};