Refactor suilend (#16978)

Author: g1nt0ki

projects/suilend/index.js

@@ -1,9 +1,5 @@
-const ADDRESSES = require('../helper/coreAssets.json')
 const sui = require("../helper/chain/sui");
- 
-const LST_CREATE_EVENT_TYPE = '0xb0575765166030556a6eafd3b1b970eba8183ff748860680245b9edd41c716e7::events::Event<0xb0575765166030556a6eafd3b1b970eba8183ff748860680245b9edd41c716e7::liquid_staking::CreateEvent>';
-const SUI_COIN_TYPE = '0x0000000000000000000000000000000000000000000000000000000000000002::sui::SUI'
-const SPRINGSUI_COIN_TYPE = '0x83556891f4a0f233ce7b05cfe7f957d4020492a34f5405b2cb9377d060bef4bf::spring_sui::SPRING_SUI';
+
 const REGISTRY_PARENT_ID = '0xdc00dfa5ea142a50f6809751ba8dcf84ae5c60ca5f383e51b3438c9f6d72a86e';
 const BLACKLISTED_LENDING_MARKET_IDS = [
   "0x6d9478307d1cb8417470bec42e38000422b448e9638d6b43b821301179ac8caf", // STEAMM LM (old)
@@ -12,61 +8,28 @@ const BLACKLISTED_LENDING_MARKET_IDS = [
   "0x02b4b27b3aa136405c2aaa8e2e08191670f3971d495bfcd2dda17184895c20ad", // Test 3
 ];
 
+const isBlacklistedToken = coin => coin.includes('STEAMM_LP')
 
-async function tvl(api) {  
+async function tvl(api) {
   const lendingMarketIds = await getLendingMarketIds()
-  const redemptionRates = await getRedemptionRates()
-  for (const lendingMarketId of lendingMarketIds) {
-    const object = await sui.getObject(lendingMarketId)
+  for (const object of lendingMarketIds) {
     for (const reserve of object.fields.reserves) {
       const coinType = '0x' + reserve.fields.coin_type.fields.name;
-      if (redemptionRates[coinType]) {
-        api.add(SUI_COIN_TYPE, redemptionRates[coinType] * reserve.fields.available_amount)
-      } else {
+      if (!isBlacklistedToken(coinType))
         api.add(coinType, reserve.fields.available_amount)
-      }
     }
   }
 }
 
 async function borrowed(api) {
   const lendingMarketIds = await getLendingMarketIds()
-  const redemptionRates = await getRedemptionRates()
-  for (const lendingMarketId of lendingMarketIds) {
-    const object = await sui.getObject(lendingMarketId)
+  for (const object of lendingMarketIds) {
     for (const reserve of object.fields.reserves) {
       const coinType = '0x' + reserve.fields.coin_type.fields.name;
-      if (redemptionRates[coinType]) {
-        api.add(SUI_COIN_TYPE, redemptionRates[coinType] * reserve.fields.borrowed_amount.fields.value / 1e18)
-      } else {
+      if (!isBlacklistedToken(coinType))
         api.add(coinType, reserve.fields.borrowed_amount.fields.value / 1e18)
-      }
-    }
-  }
-}
-
-
-async function getRedemptionRates() {
-  const events = (await sui.queryEvents({
-    eventType: LST_CREATE_EVENT_TYPE,
-  }))
-  const coinTypeToRate = {};
-  for (const event of events) { 
-    const coinType = '0x' + event.event.typename.name;
-    if (coinType === SPRINGSUI_COIN_TYPE) {
-      continue;
-    }
-    try {
-      const poolId = event.event.liquid_staking_info_id;
-      const data = await sui.getObject(poolId);
-      const totalSupply = parseInt(data.fields.lst_treasury_cap.fields.total_supply.fields.value);
-      const stakedSui = parseInt(data.fields.storage.fields.total_sui_supply);
-      coinTypeToRate[coinType] = stakedSui / totalSupply;
-    } catch (e) {
-      continue;
     }
   }
-  return coinTypeToRate;
 }
 
 async function getLendingMarketIds() {
@@ -78,13 +41,13 @@ async function getLendingMarketIds() {
       ids.push(lendingMarketId);
     }
   }
-  return ids;
+  return sui.getObjects(ids);
 }
 
 module.exports = {
   timetravel: false,
   sui: {
-    tvl: tvl,
-    borrowed: borrowed,
+    tvl,
+    borrowed,
   },
 }