Add Riddle on xrplevm chain (DefiLlama#15347)

Author: grit0x

projects/riddle/index.js

@@ -0,0 +1,38 @@
+const { getLogs } = require("../helper/cache/getLogs");
+
+module.exports = {
+  xrplevm: {
+    tvl: async (api) => {
+      // const xrp = "0xEeeeeEeeeEeEeeEeEeEeeEEEeeeeEeeeeeeeEEeE";
+      const wxrp = "0x7C21a90E3eCD3215d16c3BBe76a491f8f792d4Bf";
+      const factory = "0x4e127808535795C58045e546c4b1554ae4aeF3cD";
+      const fromBlock = 1;
+      const pairs = await getPairs(api, factory, fromBlock);
+
+      const reserves = await api.multiCall({
+        abi: "function getReserves() view returns (uint256, uint256, uint256)",
+        calls: pairs,
+      });
+
+      reserves.forEach(reserve => {
+        const _reserve1 = reserve[2];
+        api.add(wxrp, _reserve1);
+      });
+    }
+ }
+};
+
+async function getPairs(api, factory, fromBlock) {
+  const logs = await getLogs({
+    api,
+    target: factory,
+    eventAbi:
+      "event PairCreated(address indexed tokenA, address indexed tokenB, address pair, uint)",
+    onlyArgs: true,
+    fromBlock,
+    topics: [
+      "0x0d3648bd0f6ba80134a33ba9275ac585d9d315f0ad8355cddefde31afa28d0e9",
+    ],
+  });
+  return logs.map((i) => i.pair);
+}