add crunchy.network

package.json

@@ -19,6 +19,7 @@
     "async-retry": "^1.3.1",
     "atob": "^2.1.2",
     "axios": "^0.21.1",
+    "axios-rate-limit": "^1.3.0",
     "bignumber.js": "^9.0.1",
     "dotenv": "^8.6.0",
     "graph-results-pager": "^1.0.3",

projects/crunchynetwork/index.js

@@ -0,0 +1,56 @@
+const rateLimit = require("axios-rate-limit");
+const axios = rateLimit(require("axios").create(), {maxRPS: 10});
+const BigNumber = require("bignumber.js");
+
+// crunchy farm address KT1KnuE87q1EKjPozJ5sRAjQA24FPsP57CE3
+// TVL = sum(crunchFarm.poolBalance / quipuLP.total_supply * quipuLP.tez_pool * 2 * XTZUSD)
+async function fetchFarmsTvl() {
+    const farms = (await axios.get('https://api.tzkt.io/v1/contracts/KT1KnuE87q1EKjPozJ5sRAjQA24FPsP57CE3/bigmaps/farms/keys?limit=1000')).data;
+    const promises = [];
+    for (let farm of farms) {
+        promises.push(lpToTez(farm.value.poolToken.address, farm.value.poolBalance));
+    }
+    const values = await Promise.all(promises);
+    const tvlInTez = values.reduce((previous, current) => previous.plus(current), new BigNumber(0));
+    return tvlInTez.multipliedBy(2);
+}
+
+// crunchy freezer address KT1LjcQ4h5hCy9RcveFz9Pq8LtmF6oun7vNd
+// TVL = sum(cruchFreezer.amountLocked / quipuLP.total_supply * quipuLP.tez_pool * 2 * XTZUSD)
+async function fetchDeepFreezersTvl() {
+    const freezers = (await axios.get('https://api.tzkt.io/v1/contracts/KT1LjcQ4h5hCy9RcveFz9Pq8LtmF6oun7vNd/bigmaps/locks/keys?limit=1000')).data;
+    const promises = [];
+    for (let freezer of freezers) {
+        promises.push(lpToTez(freezer.value.token.address, freezer.value.amountLocked));
+    }
+    const values = await Promise.all(promises);
+    const tvlInTez = values.reduce((previous, current) => previous.plus(current), new BigNumber(0));
+    return tvlInTez.multipliedBy(2);
+}
+
+async function lpToTez(lpTokenAddress, lpTokens) {
+    if (lpTokens === "0") {
+        return new BigNumber(0);
+    }
+
+    const tokenStorage = (await axios.get(`https://api.tzkt.io/v1/contracts/${lpTokenAddress}/storage?limit=1000`)).data;
+    if (!tokenStorage.dex_lambdas) {
+        return new BigNumber(0);
+    }
+
+    const tokenBalance = new BigNumber(lpTokens);
+    const tokenTotalSupply = new BigNumber(tokenStorage.storage.total_supply);
+    const lpTezValue = new BigNumber(tokenStorage.storage.tez_pool);
+    return tokenBalance.dividedBy(tokenTotalSupply).multipliedBy(lpTezValue);
+}
+
+async function fetch() {
+    const tezPrice = (await axios.get('https://api.teztools.io/token/prices')).data;
+    const farmsTvl = await fetchFarmsTvl();
+    const deepFreezersTvl = await fetchDeepFreezersTvl();
+    return farmsTvl.plus(deepFreezersTvl).multipliedBy(tezPrice.xtzusdValue).shiftedBy(-6).toFixed(0);
+}
+
+module.exports = {
+    fetch
+};