feat: everything initial integration

projects/everything/index.js

@@ -0,0 +1,48 @@
+const config = {
+  arbitrum: {
+    factory: '0xa88216E6Cf409a25c719234C4817628Ae406b6A7',
+    vault: '0xabD8DC06559634e59F6698c33A5E65e90e917b91',
+  },
+}
+
+/** @description Fetches all pairs from the factory and their associated token addresses */
+async function getPairsAndTokens(api, factory) {
+  const pairs = await api.fetchList({
+    lengthAbi: 'uint256:getAllPairsLength',
+    itemAbi: 'function getPairAtIndex(uint256) view returns (address)',
+    target: factory,
+  })
+  const tokens = await api.multiCall({ abi: 'function getTokens() view returns (address, address)', calls: pairs })
+  return { pairs, tokens }
+}
+
+/** @description Calculates TVL by summing tokens locked in AMM pairs and the vault */
+async function tvl(api) {
+  const { factory, vault } = config[api.chain]
+  const { pairs, tokens } = await getPairsAndTokens(api, factory)
+  const ownerTokens = pairs.map((pair, i) => [tokens[i], pair])
+  const allTokens = [...new Set(tokens.flat())]
+  ownerTokens.push([allTokens, vault])
+  return api.sumTokens({ ownerTokens })
+}
+
+/** @description Calculates total borrowed amounts for each token across all pairs */
+async function borrowed(api) {
+  const { factory } = config[api.chain]
+  const { pairs, tokens } = await getPairsAndTokens(api, factory)
+  const borrowed0 = await api.multiCall({ abi: 'uint256:getTotalBorrowed0', calls: pairs })
+  const borrowed1 = await api.multiCall({ abi: 'uint256:getTotalBorrowed1', calls: pairs })
+  for (let i = 0; i < pairs.length; i++) {
+    api.add(tokens[i][0], borrowed0[i])
+    api.add(tokens[i][1], borrowed1[i])
+  }
+  return api.getBalances()
+}
+
+module.exports = {
+  methodology: 'TVL counts tokens locked in AMM pools and collateral in the vault. Borrowed counts tokens borrowed from the lending module.',
+}
+
+Object.keys(config).forEach(chain => {
+  module.exports[chain] = { tvl, borrowed }
+})