revert opyn optims

projects/opyn/index.js

@@ -29,9 +29,6 @@
   async function tvl(timestamp, block) {
     let balances = {};
 
-    let balanceOfCalls = [];
-    let optionsAddresses = []
-
     for(let i = 0; i < factoriesAddresses.length; i++) {
       // number of created oTokens
       let numberOfOptionsContracts = (
@@ -58,6 +55,9 @@
         })
       ).output;
 
+      // list of options addresses
+      let optionsAddresses = []
+
       _.each(optionsContracts, async (contracts) => {
         optionsAddresses = [
           ...optionsAddresses,
@@ -70,25 +70,33 @@
         let balance = (await sdk.api.eth.getBalance({target: optionAddress, block})).output;
         balances["0x0000000000000000000000000000000000000000"] = BigNumber(balances["0x0000000000000000000000000000000000000000"] || 0).plus(BigNumber(balance)).toFixed();
       })
-    }
 
-    _.each(optionsAddresses, (optionsAddress) => {
-      _.each(tokenAddresses, (tokenAddress) => {
-        balanceOfCalls.push({
-          target: tokenAddress,
-          params: [optionsAddress]
+      // batch balanceOf calls
+      let balanceOfCalls = [];
+
+      _.each(optionsAddresses, (optionsAddress) => {
+        _.each(tokenAddresses, (tokenAddress) => {
+          balanceOfCalls.push({
+            target: tokenAddress,
+            params: [optionsAddress]
+          });
         });
       });
-    });
 
-    // get tokens balances
-    const balanceOfResults = await sdk.api.abi.multiCall({
-      block,
-      calls: balanceOfCalls,
-      abi: "erc20:balanceOf"
-    });
+      // get tokens balances
+      const balanceOfResults = await sdk.api.abi.multiCall({
+        block,
+        calls: balanceOfCalls,
+        abi: "erc20:balanceOf"
+      });
 
-    sdk.util.sumMultiBalanceOf(balances, balanceOfResults);
+      _.each(balanceOfResults.output, (balanceOf) => {
+        if(balanceOf.success) {
+          let address = balanceOf.input.target
+          balances[address] = BigNumber(balances[address] || 0).plus(balanceOf.output).toFixed();
+        }
+      });
+    }
 
     return balances;
   }