feat: Add adapter for Reya

projects/helper/chains.json

@@ -255,6 +255,7 @@
   "rei",
   "reichain",
   "renec",
+  "reya",
   "ripple",
   "rollux",
   "ronin",

projects/reya/index.js

@@ -0,0 +1,51 @@
+const totalSupplyBalanceFetcher = async ({
+  address,
+  network,
+}) => {
+  const response = await fetch(
+    `https://explorer.${network}.network/api/v2/tokens/${address}`,
+  );
+  if (response.status === 200) {
+    const data = await response.json();
+
+    const supplyString = data.total_supply;
+    const decimalsString = data.decimals;
+
+    if (!supplyString || !decimalsString) {
+      return null;
+    }
+    const decimalsInt = parseInt(decimalsString, 10);
+    const value = parseInt(supplyString, 10);
+    const divider = 10 ** decimalsInt;
+    const balance = value / divider;
+
+    return balance;
+  }
+  return null;
+};
+
+const coins = {
+  "usd-coin": "0x3B860c0b53f2e8bd5264AA7c3451d41263C933F2",
+  "WETH": "0x6B48C2e6A32077ec17e8Ba0d98fFc676dfab1A30",
+}
+
+async function tvl(api){
+  const fetchCoinBalance = async (coin) => {
+    const balance = await totalSupplyBalanceFetcher({ network: api.chain, address: coins[coin] });
+    return ({ coin, balance });
+  }
+
+  const fetchResults = await Promise.all(Object.keys(coins).map(fetchCoinBalance));
+  return fetchResults.reduce((acc, item) => {
+    if (!item) {
+      return acc;
+    }
+    return ({ ...acc, [item.coin]: item.balance })
+  }, {});
+}
+
+module.exports={
+  reya:{
+      tvl
+  }
+}