Merge pull request #2041 from pastelfork/master

track Asymmetry Finance USDaf Stability Pool yields

Author: slasher125

src/adaptors/asymmetry-usdaf/index.js

@@ -0,0 +1,357 @@
+const sdk = require('@defillama/sdk');
+const superagent = require('superagent');
+
+const BOLD_TOKEN = '0x9cf12ccd6020b6888e4d4c4e4c7aca33c1eb91f8';
+
+const YSYBOLD_BRANCH = {
+  activePool: '0xb87e1e1c4cc2decada13025a8dc8a94bdb77fb63',
+  defaultPool:  '0x27f539ec3fa3e548e10d4ac883534eba891bb212',
+  stabilityPool: '0x83e5bde77d7477ecd972e338541b90af57675536',
+  borrowerOperations: '0x57bd20ae68f845b35b76fe6e0239c9929eb48469',
+  collToken: '0x23346b04a7f55b8760e5860aa5a77383d63491cd'.toLowerCase(),
+  symbol: 'YSYBOLD'
+}
+
+const SCRVUSD_BRANCH = {
+  activePool: '0x244c422663328233a5d1bd5045ff943ba97d046e',
+  defaultPool: '0xc20a51f66c917feff80d1e089199f727060c0369',
+  stabilityPool: '0xd48dc7cddc481f596bd9a97755c7ac696ad4ea87',
+  borrowerOperations: '0x9e601005deaaee8294c686e28e1affd04cc13830',
+  collToken: '0x0655977feb2f289a4ab78af67bab0d17aab84367'.toLowerCase(),
+  symbol: 'SCRVUSD'
+}
+
+const SUSDS_BRANCH = {
+  activePool: '0x08eaafd8fbb12cf12d6765e80c5b0ff8490c232d',
+  defaultPool: '0xfab7396e2a6a3364e02ed26d2f80a354aa923b88',
+  stabilityPool: '0xb571781cedf07257d60d6b252a3d8b24150ded97',
+  borrowerOperations: '0x336d9c5ecb9d6ce79c8c077d35426e714969b41d',
+  collToken: '0xa3931d71877c0e7a3148cb7eb4463524fec27fbd'.toLowerCase(),
+  symbol: 'SUSDS'
+}
+
+const SFRXUSD_BRANCH = {
+  activePool: '0x20f29569566020d8e49c9843033c370772a93774',
+  defaultPool: '0xfe6f765e77fd8f17ec3a985ac36c3c3ea92c946d',
+  stabilityPool: '0x446f358e3a927cc68f342141d78aa2d1c54e18f0',
+  borrowerOperations: '0x2538cd346429ea59902e02448bb7a7c098e4554e',
+  collToken: '0xcf62f905562626cfcdd2261162a51fd02fc9c5b6'.toLowerCase(),
+  symbol: 'SFRXUSD'
+}
+
+const TBTC_BRANCH = {
+  activePool: '0xb00d1d5dfd72a440b8c04a5f7b5bc3c8159a7f44',
+  defaultPool: '0x254a6a3e172a81d5825122403e1bc4d47f264a07',
+  stabilityPool: '0x545a7ddfd863bd7ea0bfc689125169598085f75e',
+  borrowerOperations: '0xda9af112edfd837eebc1780433481426a52556e0',
+  collToken: '0x18084fba666a33d37592fa2633fd49a74dd93a88'.toLowerCase(),
+  symbol: 'TBTC'
+}
+
+const WBTC_BRANCH = {
+  activePool: '0xf507e264d507ef64a72aeaf4cc8c270d008fc48a',
+  defaultPool: '0x01e37634cbd25ec7ffe680ece5eec178ff51ef2d',
+  stabilityPool: '0x922faa141e95e43a9deeab8dade3ac8d4a32ad5c',
+  borrowerOperations: '0x664507f1445657d36d8064663653b7810971f411',
+  collToken: '0xe065bc161b90c9c4bba2de7f1e194b70a3267c47'.toLowerCase(),
+  symbol: 'WBTC'
+}
+
+const branches = [YSYBOLD_BRANCH, SCRVUSD_BRANCH, SUSDS_BRANCH, SFRXUSD_BRANCH, TBTC_BRANCH, WBTC_BRANCH];
+
+const SP_YIELD_SPLIT = 0.75; 
+
+const ABIS = {
+    getTotalBoldDeposits: {
+      inputs: [],
+      name: 'getTotalBoldDeposits',
+      outputs: [
+        {
+          internalType: 'uint256',
+          name: 'totalBoldDeposits',
+          type: 'uint256',
+        },
+      ],
+      stateMutability: 'view',
+      type: 'function',
+    },
+    getCollBalance: {
+      inputs: [],
+      name: 'getCollBalance',
+      outputs: [
+        {
+          internalType: 'uint256',
+          name: 'collBalance',
+          type: 'uint256',
+        },
+      ],
+      stateMutability: 'view',
+      type: 'function',
+    },
+    getBoldDebt: {
+      inputs: [],
+      name: 'getBoldDebt',
+      outputs: [
+        {
+          internalType: 'uint256',
+          name: 'boldDebt',
+          type: 'uint256',
+        },
+      ],
+      stateMutability: 'view',
+      type: 'function',
+    },
+    getMCR: {
+      inputs: [],
+      name: 'MCR',
+      outputs: [{ internalType: 'uint256', name: '', type: 'uint256' }],
+      stateMutability: 'view',
+      type: 'function',
+    },
+    getNewApproxAvgInterestRateFromTroveChange: {
+      inputs: [
+        {
+          components: [
+            {
+              internalType: 'uint256',
+              name: 'appliedRedistBoldDebtGain',
+              type: 'uint256',
+            },
+            {
+              internalType: 'uint256',
+              name: 'appliedRedistCollGain',
+              type: 'uint256',
+            },
+            {
+              internalType: 'uint256',
+              name: 'collIncrease',
+              type: 'uint256',
+            },
+            {
+              internalType: 'uint256',
+              name: 'collDecrease',
+              type: 'uint256',
+            },
+            {
+              internalType: 'uint256',
+              name: 'debtIncrease',
+              type: 'uint256',
+            },
+            {
+              internalType: 'uint256',
+              name: 'debtDecrease',
+              type: 'uint256',
+            },
+            {
+              internalType: 'uint256',
+              name: 'newWeightedRecordedDebt',
+              type: 'uint256',
+            },
+            {
+              internalType: 'uint256',
+              name: 'oldWeightedRecordedDebt',
+              type: 'uint256',
+            },
+            {
+              internalType: 'uint256',
+              name: 'upfrontFee',
+              type: 'uint256',
+            },
+            {
+              internalType: 'uint256',
+              name: 'batchAccruedManagementFee',
+              type: 'uint256',
+            },
+            {
+              internalType: 'uint256',
+              name: 'newWeightedRecordedBatchManagementFee',
+              type: 'uint256',
+            },
+            {
+              internalType: 'uint256',
+              name: 'oldWeightedRecordedBatchManagementFee',
+              type: 'uint256',
+            },
+          ],
+          internalType: 'struct TroveChange',
+          name: '_troveChange',
+          type: 'tuple',
+        },
+      ],
+      name: 'getNewApproxAvgInterestRateFromTroveChange',
+      outputs: [
+        {
+          internalType: 'uint256',
+          name: '',
+          type: 'uint256',
+        },
+      ],
+      stateMutability: 'view',
+      type: 'function',
+    }
+  };
+
+  const getSPSupplyAndApy = async (spAddr, avgBranchInterestRate, branchBoldSupply) => {
+      const spSupply = (await sdk.api.abi.call({
+        target: spAddr,
+        abi: ABIS.getTotalBoldDeposits,
+        chain: 'ethereum',
+      })).output / 1e18;
+ 
+    // Yield is the branch interest rate amplifyed by ratio of branch supply to the BOLD in the SP
+    const spApy = avgBranchInterestRate * SP_YIELD_SPLIT * branchBoldSupply / spSupply;
+
+    return [spSupply, spApy];
+  }
+
+  const getPrices = async (addresses) => {
+    const req = addresses.map((address) => `ethereum:${address}`).join(',').toLowerCase();
+    const prices = (await superagent.get(`https://coins.llama.fi/prices/current/${req}`)).body.coins;
+
+    const pricesObj = Object.fromEntries(
+      Object.entries(prices).map(([address, priceData]) => [address.split(':')[1].toLowerCase(), priceData.price])
+    );
+
+    return pricesObj;
+  }
+
+  const getBranchColl = async (collPools) => {
+    const results = await sdk.api.abi.multiCall({
+      calls: collPools.map((poolAddr) => ({
+        target: poolAddr, 
+        params: [],
+      })),
+      abi: ABIS.getCollBalance,
+      chain: 'ethereum',
+    });
+    
+    const totalColl = results.output.map(x => Number(x.output)).reduce((a, b) => a + b);
+    return totalColl / 1e18;
+  }
+
+  const getBranchDebt = async (debtPools) => {
+    const results = await sdk.api.abi.multiCall({
+      calls: debtPools.map((poolAddr) => ({
+        target: poolAddr, 
+        params: [],
+      })),
+      abi: ABIS.getBoldDebt,
+      chain: 'ethereum',
+    });
+  
+    const totalDebt = results.output.map(x => Number(x.output)).reduce((a, b) => a + b);
+    return totalDebt / 1e18;
+  }
+
+  const getLTV = async (borrowerOpsAddr) =>{
+    const res = (await sdk.api.abi.call({
+        target: borrowerOpsAddr,
+        abi: ABIS.getMCR,
+        chain: 'ethereum',
+      })
+    );
+
+    return 1 / (res.output / 1e18);
+  }
+  
+  const getNewApproxAvgInterestRateFromTroveChange = async(activePoolAddr) => {
+    const res = await sdk.api.abi.call({
+        target: activePoolAddr,
+        abi: ABIS.getNewApproxAvgInterestRateFromTroveChange,
+        params: [
+        [0, // appliedRedistBoldDebtGain
+          0, // appliedRedistCollGain  
+          0, // collIncrease
+          0, // collDecrease
+          0, // debtIncrease
+          0, // debtDecrease
+          0, // newWeightedRecordedDebt
+          0, // oldWeightedRecordedDebt
+          0, // upfrontFee
+          0, // batchAccruedManagementFee
+          0, // newWeightedRecordedBatchManagementFee
+          0] // oldWeightedRecordedBatchManagementFee
+      ],
+        chain: 'ethereum',
+      });
+     
+      // convert from 18 decimals and make percentage
+      return res.output / 1e16;
+  }
+
+  const main = async () => {
+    const prices = await getPrices(
+      [YSYBOLD_BRANCH.collToken, 
+        SCRVUSD_BRANCH.collToken, 
+        SUSDS_BRANCH.collToken, 
+        SFRXUSD_BRANCH.collToken, 
+        TBTC_BRANCH.collToken, 
+        '0x2260fac5e5542a773aa44fbcfedf7c193bc2c599', // WBTC - collToken is wrapper
+        BOLD_TOKEN
+      ]
+    );
+
+    YSYBOLD_BRANCH.price = prices[YSYBOLD_BRANCH.collToken];
+    SCRVUSD_BRANCH.price = prices[SCRVUSD_BRANCH.collToken];
+    SUSDS_BRANCH.price = prices[SUSDS_BRANCH.collToken];
+    SFRXUSD_BRANCH.price = prices[SFRXUSD_BRANCH.collToken];
+    TBTC_BRANCH.price = prices[TBTC_BRANCH.collToken];
+    WBTC_BRANCH.price = prices['0x2260fac5e5542a773aa44fbcfedf7c193bc2c599']; // WBTC
+    
+    const pools = [];
+
+    for (const branch of branches) {
+      const collPools = [branch.activePool, branch.defaultPool];
+
+      const totalColl = await getBranchColl(collPools);
+      const totalCollUsd = totalColl * branch.price
+
+      const ltv = await getLTV(branch.borrowerOperations);
+      const borrowApy = await getNewApproxAvgInterestRateFromTroveChange(branch.activePool);
+      
+      const totalDebt = await getBranchDebt(collPools);
+      const totalDebtUsd = totalDebt * prices[BOLD_TOKEN];
+
+      const [spSupply, spApy] = await getSPSupplyAndApy(branch.stabilityPool, borrowApy, totalDebt);
+      const spSupplyUsd = spSupply * prices[BOLD_TOKEN];
+
+      const spPool = 
+        {
+          pool: branch.stabilityPool,
+          project: 'asymmetry-usdaf',
+          symbol: 'USDaf',
+          chain: 'ethereum',
+          apy: spApy,
+          tvlUsd: spSupplyUsd,
+          underlyingTokens: [BOLD_TOKEN],
+          rewardTokens: [BOLD_TOKEN, branch.collToken],
+          poolMeta: `${branch.symbol} Stability Pool`
+        }
+
+      const borrowPool = 
+        {
+          pool: branch.activePool,
+          project: 'asymmetry-usdaf',
+          symbol: branch.symbol,
+          chain: 'ethereum',
+          apy: 0,
+          tvlUsd: totalCollUsd,
+          apyBaseBorrow: borrowApy,
+          totalSupplyUsd: totalCollUsd,
+          totalBorrowUsd: totalDebtUsd,
+          ltv: ltv,
+          mintedCoin: 'USDaf',
+          underlyingTokens: [branch.collToken], 
+        }
+
+      pools.push(spPool, borrowPool);
+    };
+
+    return pools;
+  }
+
+module.exports = {
+  timetravel: false,
+  apy: main,
+  url: 'https://usdaf.asymmetry.finance/',
+};