Add Gro protocol adapter

projects/gro/abi.json

@@ -0,0 +1,28 @@
+{
+   "totalAssets": {
+       "inputs": [],
+       "name": "totalAssets",
+       "outputs": [
+           {
+               "internalType": "uint256",
+               "name": "",
+               "type": "uint256"
+           }
+       ],
+       "stateMutability": "view",
+       "type": "function"
+   },
+   "totalSupply": {
+       "inputs": [],
+       "name": "totalSupply",
+       "outputs": [
+           {
+               "internalType": "uint256",
+               "name": "",
+               "type": "uint256"
+           }
+       ],
+       "stateMutability": "view",
+       "type": "function"
+   }
+}

projects/gro/index.js

@@ -0,0 +1,36 @@
+// Adapter for Gro Protocol : https://gro.xyz
+
+const sdk = require("../../sdk");
+const groTokenAbi = require("./abi.json");
+
+// Gro Protocol Token Addresses
+const GVT = "0x3ADb04E127b9C0a5D36094125669d4603AC52a0c"; 
+const PWRD = "0xf0a93d4994b3d98fb5e3a2f90dbc2d69073cb86b";
+
+
+async function tvl(timestamp, ethBlock) {
+  let balances = {};
+
+  for (const token of [PWRD, GVT]) {
+    const current = await sdk.api.abi.call({
+      target: token,
+      abi: groTokenAbi["totalSupply"],
+      block: ethBlock,
+    });
+    sdk.util.sumSingleBalance(balances, token, current.output);
+  }
+
+  return balances;
+}
+
+
+module.exports = {
+  name: 'Gro Protocol',
+  category: 'Assets',
+  token: 'GRO',
+  website: 'https://www.gro.xyz',
+  chain: 'ethereum',
+  start: 1622204347, // 28-05-2021 12:19:07 (UTC)
+  tvl,
+};
+