add adapter for Collex (#16820)

projects/collex/index.js

@@ -0,0 +1,29 @@
+const { function_view } = require("../helper/chain/aptos");
+const contractAddress = "0xc49fd6643c260db7b453084751df8a5d0225b6f54dbf4fd1e2ea5298d309179e"
+
+async function _getBalances() {
+  return function_view({ functionStr: `${contractAddress}::treasury::balances`, type_arguments: [], args: [] })
+}
+
+async function _getTvl() {
+  const tokenTvlMap = new Map();
+  const balances = await _getBalances()
+  for (const { key, value } of balances.data) {
+    tokenTvlMap.set(key.inner, Number(value))
+  }
+  return tokenTvlMap
+}
+
+module.exports = {
+  timetravel: false,
+  methodology:
+    "TVL consists of total token balances held by the Collex contract treasury.",
+  aptos: {
+    tvl: async (api) => {
+      const tokenTvlMap = await _getTvl()
+      for (const [key, value] of tokenTvlMap) {
+        api.add(key, value)
+      }
+    }
+  }
+}