Rebrand Visor => Gamma, track registry contract

projects/gamma/abis/hypervisor.json

@@ -0,0 +1,30 @@
+{
+  "token0": {
+    "inputs": [],
+    "name": "token0",
+    "outputs": [
+      { "internalType": "contract IERC20", "name": "", "type": "address" }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  "token1": {
+    "inputs": [],
+    "name": "token1",
+    "outputs": [
+      { "internalType": "contract IERC20", "name": "", "type": "address" }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  },
+  "getTotalAmounts": {
+    "inputs": [],
+    "name": "getTotalAmounts",
+    "outputs": [
+      { "internalType": "uint256", "name": "total0", "type": "uint256" },
+      { "internalType": "uint256", "name": "total1", "type": "uint256" }
+    ],
+    "stateMutability": "view",
+    "type": "function"
+  }
+}

projects/gamma/index.js

@@ -0,0 +1,105 @@
+/*==================================================
+  Modules
+  ==================================================*/
+
+  const BigNumber = require('bignumber.js');
+  const sdk = require('../../sdk');
+  const hypervisorABI = require('./abis/hypervisor.json');
+
+/*==================================================
+  Constants
+  ==================================================*/
+
+  const HYPE_REGISTRY = "0x31CcDb5bd6322483bebD0787e1DABd1Bf1f14946" 
+
+/*==================================================
+  TVL
+  ==================================================*/
+
+async function tvl(timestamp, block) {
+
+  // Set ETH placeholder in balances
+  const ethAddress = '0x0000000000000000000000000000000000000000';
+  let balances = {
+    [ethAddress]: '0', // ETH
+  };
+
+  const hypervisorCalls = await sdk.api.util.getLogs({
+    keys: ['data'],
+    toBlock: block,
+    target: HYPE_REGISTRY,
+    fromBlock: 13659998,
+    topic: 'HypeAdded(address,uint256)',
+  }).then(
+    ({output}) => output.map(
+      logItem => ({
+        target: `0x${logItem.data.substr(26, 40)}`.toLowerCase()
+      })
+    )
+  );
+
+  // Make call to hypervisor to get token and balance
+  const hypeData = await Promise.all([
+    sdk.api.abi.multiCall({
+      abi: hypervisorABI.token0,
+      calls: hypervisorCalls,
+      block,
+    }).then(
+      ({output}) => output.map(
+        item => item.output
+      )
+    ),
+    sdk.api.abi.multiCall({
+      abi: hypervisorABI.token1,
+      calls: hypervisorCalls,
+      block,
+    }).then(
+      ({output}) => output.map(
+        item => item.output
+      )
+    ),
+    sdk.api.abi.multiCall({
+      abi: hypervisorABI.getTotalAmounts,
+      calls: hypervisorCalls,
+      block,
+    }).then(
+      ({output}) => output.map(
+        (item) => ({
+          success: item.success,
+          total0: item.success ? item.output.total0 : 0,
+          total1: item.success ? item.output.total1 : 0,
+        })
+      )
+    )
+  ])
+
+  let token0Addresses = hypeData[0]
+  let token1Addresses = hypeData[1]
+  let tokenAmounts = hypeData[2]
+
+  for (const [index, amounts]  of tokenAmounts.entries()) {
+    if (amounts.success) {
+      let address0 = token0Addresses[index]
+      let address1 = token1Addresses[index]
+      let balance0 = amounts.total0
+      let balance1 = amounts.total1
+
+      balances[address0] = BigNumber(balances[address0] || 0).plus(balance0).toFixed()
+      balances[address1] = BigNumber(balances[address1] || 0).plus(balance1).toFixed()
+    }
+  }
+
+  return balances;
+}
+
+/*==================================================
+  Exports
+  ==================================================*/
+
+  module.exports = {
+    name: 'Gamma',
+    token: 'GAMMA',
+    category: 'assets',     // allowed values as shown on DefiPulse: 'Derivatives', 'DEXes', 'Lending', 'Payments', 'Assets'
+    start: 1623078120,      // June 7, 2021 23:02
+    tvl
+  }