feat: add Obyte City (DefiLlama#17119)

Author: Taump

projects/obyte-city/index.js

@@ -0,0 +1,62 @@
+/*
+ * Obyte City — A community engagement space for Obyte
+ * A community engagement space where Obyte community members establish closer
+ * connections with each other and receive rewards after becoming neighbors in the City
+ * @see https://city.obyte.org
+ */
+const {
+    getBalances,
+    fetchOswapExchangeRates,
+    fetchOswapAssets,
+    getDecimalsByAsset,
+} = require('../helper/chain/obyte')
+
+const CITY_AA_ADDRESS = 'CITYC3WWO5DD2UM6HQR3H333RRTD253Q'
+
+async function totalTvl() {
+    const [assetMetadata, exchangeRates, balances] = await Promise.all([
+        fetchOswapAssets(),
+        fetchOswapExchangeRates(),
+        getBalances([CITY_AA_ADDRESS]).then((balances) => balances[CITY_AA_ADDRESS])
+    ]);
+
+    const assetDecimals = {};
+    const decimalGetters = [];
+
+    Object.keys(balances).forEach((asset) => {
+        const decimals = assetMetadata[asset]?.decimals;
+
+        if (decimals !== undefined) {
+            assetDecimals[asset] = decimals;
+        } else {
+            decimalGetters.push(getDecimalsByAsset(asset).then((decimals) => assetDecimals[asset] = decimals))
+        }
+    });
+
+    await Promise.all(decimalGetters);
+
+    let tvl = 0;
+
+    Object.entries(balances).forEach(async ([asset, { stable: balance = 0 }]) => {
+        const assetKey = (asset === "base") ? "GBYTE" : asset;
+        const usdRate = exchangeRates[`${assetKey}_USD`] ?? 0;
+        const decimals = assetDecimals[asset];
+
+        if (decimals !== undefined) {
+            tvl += (balance / 10 ** decimals) * usdRate;
+        }
+    });
+
+    return { tether: tvl }
+}
+
+module.exports = {
+    timetravel: false,
+    misrepresentedTokens: true,
+    methodology:
+        "The TVL is the total USD-value of funds locked in the agent of the CITY platform",
+    obyte: {
+        tvl: () => ({}),
+        staking: totalTvl,
+    }
+}