Add CDP Loop functionality

projects/loopfi/index.js

@@ -1,5 +1,4 @@
 
-var ethers = require("ethers");
 const ADDRESSES = require('../helper/coreAssets.json')
 const { sumTokensExport } = require("../helper/unwrapLPs")
 
@@ -45,71 +44,22 @@ const spectraVault = "0x9BfCD3788f923186705259ae70A1192F601BeB47"
 const spectraLPToken = "0x2408569177553A427dd6956E1717f2fBE1a96F1D"
 
 
-async function tvlEthereum(_timestamp,_block,_,{api}){
-    const block = await api.getBlock();
-    const lpETHTotalSupply  = await api.call({
-        abi: "function totalSupply() view returns (uint256)",
-        target: lpETH,
-        params: [],
-        block
-    })
-    const totalBorrowed  = await api.call({
-        abi: "function totalBorrowed() view returns (uint256)",
-        target: lpETH,
-        params: [],
-        block
-    })
-
-    const spotPrice =  await api.call({
-        abi: "function spotPrice() view returns (uint256)",
-        target: spectraVault,
-        params: [],
-        block
-    })
-    const vaultTVL = await api.call({
-        abi: "function balanceOf(address user) view returns (uint256)",
-        target: spectraLPToken,
-        params: [spectraVault],
-        block
-    })
-
-    // Chainlink WETH price feed
-    const wethPrice = await api.call({
-      abi: "function latestAnswer() view returns (uint256)",
-      target: "0x5f4eC3Df9cbd43714FE2740f5E3616155c5b8419",
-      params: [], block
-    })
-
-    // This is the total collateral value locked
-    api.addToken(spectraLPToken, vaultTVL)
-
-    // Since there is no price feed for Spectra LP token we use the internal price feed + chainlink
-    const spectraLPTokenUSD = parseFloat(ethers.formatEther(vaultTVL)) * parseFloat(ethers.formatEther(spotPrice)) * parseFloat(ethers.formatUnits(wethPrice, 8));
-
-
-    // lpETH value is backed 1:1 with WETH, so we count it as WETH
-    await api.add(tokens.WETH, lpETHTotalSupply - totalBorrowed)
-    await sumTokensExport({
-        ownerTokens: [[Object.values(tokens), LOOP_PRELAUNCH], [Object.values(tokensBtc), LOOP_PRELAUNCH_BTC], [Object.values(tokensYieldnest), LOOP_PRELAUNCH_YNETH]],
-      })(api)
-
-    const balances = await api.getBalances()
-
-    return { ...balances,
-      usd: spectraLPTokenUSD
-    }
+async function tvlEthereum(api) {
+  const calls = [lpETH]
+  const assets = await api.multiCall({ abi: 'address:asset', calls, })
+  const ownerTokens = [
+    [Object.values(tokens), LOOP_PRELAUNCH],
+    [Object.values(tokensBtc), LOOP_PRELAUNCH_BTC],
+    [Object.values(tokensYieldnest), LOOP_PRELAUNCH_YNETH],
+    [[spectraLPToken], spectraVault],
+  ]
+  assets.forEach((asset, i) => ownerTokens.push([[asset], calls[i]]))
+  return api.sumTokens({ ownerTokens })
 }
 
-async function tvlBnb(_timestamp,_block,_,{api}){
-    const block = await api.getBlock();
-    const lpBNBTotalSupply  = await api.call({
-        abi: "function totalSupply() view returns (uint256)",
-        target: lpBNB,
-        params: [],
-        block
-    })
-    await api.add(ADDRESSES.bsc.WBNB, lpBNBTotalSupply)
-
+async function tvlBnb(api) {
+  const assets = await api.multiCall({ abi: 'address:asset', calls: [lpBNB] })
+  return api.sumTokens({ tokensAndOwners2: [assets, [lpBNB]] })
 }
 
 module.exports = {