const OTOKEN_ABI = [ { inputs: [], name: "totalSupply", outputs: [{ internalType: "uint256", name: "", type: "uint256" }], stateMutability: "view", type: "function", }, { inputs: [], name: "totalBorrows", outputs: [{ internalType: "uint256", name: "", type: "uint256" }], stateMutability: "view", type: "function", }, { inputs: [], name: "exchangeRateCurrent", outputs: [{ internalType: "uint256", name: "", type: "uint256" }], stateMutability: "view", type: "function", }, { inputs: [{ internalType: "address", name: "account", type: "address" }], name: "getAccountSnapshot", outputs: [ { internalType: "uint256", name: "", type: "uint256" }, { internalType: "uint256", name: "", type: "uint256" }, { internalType: "uint256", name: "", type: "uint256" }, { internalType: "uint256", name: "", type: "uint256" }, ], stateMutability: "view", type: "function", }, { inputs: [], name: "supplyRatePerBlock", outputs: [{ internalType: "uint256", name: "", type: "uint256" }], stateMutability: "view", type: "function", }, { inputs: [], name: "borrowRatePerBlock", outputs: [{ internalType: "uint256", name: "", type: "uint256" }], stateMutability: "view", type: "function", }, ]; const UNITROLLER_ABI = [ { constant: true, inputs: [{ internalType: "address", name: "", type: "address" }], name: "markets", outputs: [ { internalType: "bool", name: "isListed", type: "bool" }, { internalType: "uint256", name: "collateralFactorMantissa", type: "uint256", }, { internalType: "bool", name: "isQied", type: "bool" }, ], payable: false, stateMutability: "view", type: "function", }, { inputs: [ { internalType: "address", name: "account", type: "address" }, { internalType: "contract IOToken", name: "oToken", type: "address", }, ], name: "checkMembership", outputs: [{ internalType: "bool", name: "", type: "bool" }], stateMutability: "view", type: "function", }, { constant: true, inputs: [{ internalType: "address", name: "", type: "address" }], name: "compSupplySpeeds", outputs: [{ internalType: "uint256", name: "", type: "uint256" }], payable: false, stateMutability: "view", type: "function", }, { constant: true, inputs: [{ internalType: "address", name: "", type: "address" }], name: "compBorrowSpeeds", outputs: [{ internalType: "uint256", name: "", type: "uint256" }], payable: false, stateMutability: "view", type: "function", }, ]; const ERC20_ABI = [ { constant: true, inputs: [ { name: "_owner", type: "address", }, ], name: "balanceOf", outputs: [ { name: "balance", type: "uint256", }, ], payable: false, stateMutability: "view", type: "function", }, ]; const LENS_ABI = [ { inputs: [ { internalType: "contract Comp", name: "comp", type: "address" }, { internalType: "address", name: "account", type: "address" }, ], name: "getCompBalanceMetadata", outputs: [ { components: [ { internalType: "uint256", name: "balance", type: "uint256" }, { internalType: "uint256", name: "votes", type: "uint256" }, { internalType: "address", name: "delegate", type: "address" }, ], internalType: "struct CompoundLens.CompBalanceMetadata", name: "", type: "tuple", }, ], stateMutability: "view", type: "function", }, ]; const { multicallAddress, unitrollerAddress, lensAddress, oracleAddress, account, update, dapp, onLoad, markets, multicall, prices, } = props; if (!multicallAddress || !unitrollerAddress || !update || !account) return ""; let _cTokensData = {}; let _loanToValue = null; let _underlyPrice = {}; let _liquidity = null; let _underlyingBalance = null; let _userMerberShip = null; let _rewards = {}; let _accountRewards = {}; let count = 0; let oTokensLength = Object.values(markets).length; const REWARD_TOKEN = { icon: "/images/tokens/lode.svg", symbol: "LODE", address: "0xf19547f9ed24aa66b03c3a552d181ae334fbb8db", price: prices["LODE"] || "0.3076", }; const formatedData = (key) => { console.log(`${dapp}-${key}`, count); if (count < 6) return; count = 0; oTokensLength = Object.values(markets).length; let totalSupplyUsd = Big(0); let totalBorrowUsd = Big(0); let userTotalSupplyUsd = Big(0); let userTotalBorrowUsd = Big(0); let totalCollateralUsd = Big(0); let totalAccountDistributionApy = Big(0); const markets = {}; Object.values(_cTokensData).forEach((market) => { const underlyingPrice = _underlyPrice[market.address] || 1; const marketSupplyUsd = Big(market.totalSupply || 0).mul(underlyingPrice); const marketBorrowUsd = Big(market.totalBorrows || 0).mul(underlyingPrice); totalSupplyUsd = totalSupplyUsd.plus(marketSupplyUsd); totalBorrowUsd = totalBorrowUsd.plus(marketBorrowUsd); userTotalSupplyUsd = userTotalSupplyUsd.plus( Big(market.userSupply).mul(underlyingPrice) ); userTotalBorrowUsd = userTotalBorrowUsd.plus( Big(market.userBorrow).mul(underlyingPrice) ); if (_userMerberShip[market.address]) { totalCollateralUsd = totalCollateralUsd.plus( Big(market.userSupply) .mul(underlyingPrice) .mul(_loanToValue[market.address]) .div(100) ); } const distributionSupplyApy = _rewards[market.address].supply .div(marketSupplyUsd.eq(0) ? 1 : marketSupplyUsd) .plus(1) .pow(365) .minus(1) .mul(100) .toFixed(2); const distributionBorrowApy = _rewards[market.address].borrow .div(marketBorrowUsd.eq(0) ? 1 : marketBorrowUsd) .plus(1) .pow(365) .minus(1) .mul(100) .toFixed(2); totalAccountDistributionApy = totalAccountDistributionApy .plus(distributionSupplyApy) .plus(distributionBorrowApy); const supplyApy = Big(market.supplyRatePerBlock) .mul(4 * 60 * 24) .plus(1) .pow(365) .minus(1) .mul(100); const borrowApy = Big(market.borrowRatePerBlock) .mul(4 * 60 * 24) .plus(1) .pow(365) .minus(1) .mul(100); markets[market.address] = { ...market, loanToValue: _loanToValue[market.address], liquidity: _liquidity[market.address], underlyingPrice: underlyingPrice, userUnderlyingBalance: _underlyingBalance[market.address], userMerberShip: _userMerberShip[market.address], supplyApy: supplyApy.toFixed(2) + "%", borrowApy: borrowApy.toFixed(2) + "%", distributionApy: [ { ...REWARD_TOKEN, supply: distributionSupplyApy + "%", borrow: distributionBorrowApy + "%", }, ], dapp, }; }); // const arbApy = Big(28800 * 52) // .mul(prices["ARB"] || 1) // .div(totalSupplyUsd.add(totalBorrowUsd)); // console.log("arbApy", arbApy.toString()); let rewards; if (_accountRewards && Big(_accountRewards.reward || 0).gt(0)) { const dailyRewards = totalAccountDistributionApy .mul(userTotalSupplyUsd.add(userTotalBorrowUsd)) .div(365 * 100) .div(_accountRewards.price); rewards = [ { ...REWARD_TOKEN, dailyRewards: dailyRewards.toString(), price: _accountRewards.price, unclaimed: _accountRewards.reward, }, ]; } onLoad({ markets, rewards, totalSupplyUsd: totalSupplyUsd.toString(), totalBorrowUsd: totalBorrowUsd.toString(), userTotalSupplyUsd: userTotalSupplyUsd.toString(), userTotalBorrowUsd: userTotalBorrowUsd.toString(), totalCollateralUsd: totalCollateralUsd.toString(), }); }; const getUnitrollerData = () => { const calls = []; const oTokens = Object.values(markets); oTokens.forEach((token) => { calls.push({ address: unitrollerAddress, name: "markets", params: [token.address], }); if (account) { calls.push({ address: unitrollerAddress, name: "checkMembership", params: [account, token.address], }); } }); multicall({ abi: UNITROLLER_ABI, calls, options: {}, multicallAddress, provider: Ethers.provider(), }) .then((res) => { _loanToValue = {}; _userMerberShip = {}; for (let i = 0, len = res.length; i < len; i++) { const index = Math.floor(i / (account ? 2 : 1)); const mod = i % (account ? 2 : 1); switch (mod) { case 0: _loanToValue[oTokens[index].address] = ethers.utils.formatUnits( res[i][1]._hex, 16 ); break; case 1: _userMerberShip[oTokens[index].address] = res[i][0]; break; default: } } count++; formatedData("getUnitrollerData"); }) .catch((err) => { console.log("error-getUnitrollerData", err); setTimeout(() => { getUnitrollerData(); }, 1000); }); }; const getUnderlyPrice = () => { Object.values(markets).forEach((market) => { _underlyPrice[market.address] = prices[ market.underlyingToken.priceKey || market.underlyingToken.symbol ] || "1"; }); count++; formatedData("getUnderlyPrice"); }; const getOTokenLiquidity = () => { const assets = Object.values(markets); let nativeOToken = ""; const calls = assets .filter((market) => { if (market.underlyingToken.address === "native") nativeOToken = market.address; return ( market.underlyingToken.address && market.underlyingToken.address !== "native" ); }) .map((market) => ({ address: market.underlyingToken.address, name: "balanceOf", params: [market.address], })); multicall({ abi: ERC20_ABI, calls, options: {}, multicallAddress, provider: Ethers.provider(), }) .then((res) => { _liquidity = {}; for (let i = 0, len = res.length; i < len; i++) { const oToken = markets[calls[i].params[0]]; _liquidity[oToken.address] = ethers.utils.formatUnits( res[i][0]._hex, oToken.underlyingToken.decimals ); } const provider = Ethers.provider(); if (nativeOToken) { provider.getBalance(nativeOToken).then((rawBalance) => { _liquidity[nativeOToken] = ethers.utils.formatUnits( rawBalance._hex, 18 ); count++; formatedData("getOTokenLiquidity"); }); } else { count++; formatedData("getOTokenLiquidity"); } }) .catch(() => { setTimeout(() => { getOTokenLiquidity(); }, 500); }); }; const getWalletBalance = () => { let nativeOToken = ""; const underlyingTokens = Object.values(markets) .filter((market) => { if (market.underlyingToken.address === "native") nativeOToken = market.address; return ( market.underlyingToken.address && market.underlyingToken.address !== "native" ); }) .map((market) => ({ ...market.underlyingToken, oTokenAddress: market.address, })); const calls = underlyingTokens.map((token) => ({ address: token.address, name: "balanceOf", params: [account], })); multicall({ abi: ERC20_ABI, calls, options: {}, multicallAddress, provider: Ethers.provider(), }) .then((res) => { _underlyingBalance = {}; for (let i = 0, len = res.length; i < len; i++) { _underlyingBalance[underlyingTokens[i].oTokenAddress] = res[i][0] ? ethers.utils.formatUnits( res[i][0]._hex, underlyingTokens[i].decimals ) : "0"; } const provider = Ethers.provider(); if (nativeOToken) { provider.getBalance(account).then((rawBalance) => { _underlyingBalance[nativeOToken] = ethers.utils.formatUnits( rawBalance._hex, 18 ); count++; formatedData("underlyingTokens"); }); } else { count++; formatedData("underlyingTokens"); } }) .catch((err) => { console.log("getWalletBalance error", err); setTimeout(() => { getWalletBalance(); }, 500); }); }; const getCTokenData = (oToken) => { if (oTokensLength === 0) return; const calls = [ { address: oToken.address, name: "exchangeRateCurrent", }, { address: oToken.address, name: "totalSupply", }, { address: oToken.address, name: "totalBorrows", }, { address: oToken.address, name: "supplyRatePerBlock", }, { address: oToken.address, name: "borrowRatePerBlock", }, { address: oToken.address, name: "getAccountSnapshot", params: [account], }, ]; multicall({ abi: OTOKEN_ABI, calls, options: {}, multicallAddress, provider: Ethers.provider(), }) .then((res) => { oTokensLength--; const exchangeRateStored = ethers.utils.formatUnits( res[0][0]._hex, 10 + oToken.underlyingToken.decimals ); const userSupply = ethers.utils.formatUnits( res[5][1]._hex, oToken.decimals ); const totalSupply = ethers.utils.formatUnits( res[1][0]._hex, oToken.decimals ); _cTokensData[oToken.address] = { ...oToken, exchangeRateStored, totalSupply: Big(totalSupply).mul(exchangeRateStored).toString(), totalBorrows: ethers.utils.formatUnits( res[2][0]._hex, oToken.underlyingToken.decimals ), supplyRatePerBlock: ethers.utils.formatUnits(res[3][0]._hex, 18), borrowRatePerBlock: ethers.utils.formatUnits(res[4][0]._hex, 18), userSupply: Big(userSupply).mul(exchangeRateStored).toString(), userBorrow: ethers.utils.formatUnits( res[5][2]._hex, oToken.underlyingToken.decimals ), }; if (oTokensLength === 0) { count++; formatedData("oTokens data"); } }) .catch(() => { setTimeout(() => { getCTokenData(oToken); }, 500); }); }; const getCTokensData = () => { Object.values(markets).forEach((market) => { getCTokenData(market); }); }; const getUserRewards = () => { multicall({ abi: LENS_ABI, calls: [ { address: lensAddress, name: "getCompBalanceMetadata", params: [REWARD_TOKEN.address, account], }, ], options: {}, multicallAddress, provider: Ethers.provider(), }) .then((res) => { const price = prices[REWARD_TOKEN.priceKey || REWARD_TOKEN.symbol] || "1"; _accountRewards = { price, reward: res[0][0][0] ? ethers.utils.formatUnits(res[0][0][0], 18).toString() : "0", }; count++; formatedData("rewards"); }) .catch((err) => { console.log(dapp + " error-user-rewards", err); }); }; const getCTokenReward = ({ cTokens, index }) => { const token = cTokens[index]; const calls = [ { address: unitrollerAddress, name: "compBorrowSpeeds", params: [token], }, { address: unitrollerAddress, name: "compSupplySpeeds", params: [token], }, ]; multicall({ abi: UNITROLLER_ABI, calls, options: {}, multicallAddress, provider: Ethers.provider(), }) .then((res) => { const borrow = res[0][0] ? Big(ethers.utils.formatUnits(res[0][0]._hex, 18)).mul( REWARD_TOKEN.price ) : Big(0); const supply = res[1][0] ? Big(ethers.utils.formatUnits(res[1][0]._hex, 18)).mul( REWARD_TOKEN.price ) : Big(0); _rewards[token] = { borrow: borrow.mul(7200), supply: supply.mul(7200), }; if (index === cTokens.length - 1) { getUserRewards(); } else { getCTokenReward({ cTokens, index: index + 1, }); } }) .catch((err) => { console.log("error-rewards", err); }); }; const getRewards = () => { const cTokens = Object.keys(markets); getCTokenReward({ cTokens, index: 0, }); }; useEffect(() => { getUnitrollerData(); getUnderlyPrice(); getOTokenLiquidity(); getWalletBalance(); getCTokensData(); getRewards(); }, []);