const Container = styled.div` background-color: #25283a; border-radius: 12px; .template { display: flex; align-items: center; justify-content: space-between; margin-left: 6px; } .assets_table { width: 100%; tr { color: #7c7f96; border: none; height: 50px; } th, td { border: none; } td { color: #fff; font-size: 14px; } th:first-child, td:first-child { padding-left: 20px; min-width: 160px; } th:nth-child(5) { min-width: 120px; } tbody { .table_handlers div { background-color: rgba(0, 255, 163, 0.6); transition: 0.5s; } tr:hover { background-color: #373a53; border-radius: 12px; .table_handlers div { background-color: #00ffa3; } } tr:last-child td:first-child { border-bottom-left-radius: 12px; } tr:last-child td:last-child { border-bottom-right-radius: 12px; } } .table_handlers { display: flex; justify-content: end; align-items: center; padding-right: 10px; } } .tokenIcon { width: 26px; height: 26px; border-radius: 100px; margin-right: 8px; } .rewardIcon { width: 16px; height: 16px; border-radius: 100px; } .text_red_color { color: #ff6ba9; } .ml_4_ne { margin-left: -4px; } .font-18 { font-size: 18px; } .title { padding-left: 20px; } `; /** base tool start */ let accountId = context.accountId; if (!accountId) { return <Widget src="juaner.near/widget/ref_account-signin" />; } let MAX_RATIO = 10_000; let BURROW_CONTRACT = "contract.main.burrow.near"; let B = Big(); B.DP = 60; // set precision to 60 decimals State.init({ tableData: [] }); const toAPY = (v) => Math.round(v * 100) / 100; const clone = (o) => JSON.parse(JSON.stringify(o)); const shrinkToken = (value, decimals) => { return B(value).div(B(10).pow(decimals || 0)); }; const expandToken = (value, decimals) => { return B(value).mul(B(10).pow(decimals || 0)); }; const formatToken = (v) => Math.floor(v * 10_000) / 10_000; const power = (x, y) => { if (y === 0) { return 1; } else if (y % 2 === 0) { return power(x, parseInt(y / 2)) * power(x, parseInt(y / 2)); } else { return x * power(x, parseInt(y / 2)) * power(x, parseInt(y / 2)); } }; const nFormat = (num, digits) => { const lookup = [ { value: 1, symbol: "" }, { value: 1e3, symbol: "K" }, { value: 1e6, symbol: "M" }, ]; const rx = /\.0+$|(\.[0-9]*[1-9])0+$/; var item = lookup .slice() .reverse() .find((item) => num >= item.value); return item ? (num / item.value).toFixed(digits).replace(rx, "$1") + item.symbol : "0"; }; const { rewards, account, balances, selectedTokenId, amount, hasError, assets, tabName, showModal, wnearbase64, closeButtonBase64, } = state; const hasData = assets.length > 0 && rewards.length > 0 && account; /** base tool end */ const config = Near.view(BURROW_CONTRACT, "get_config"); const formatAssets = (data) => { const rewardsMap = data.rewards ? data.rewards.reduce((acc, cur) => { return { ...acc, [cur.token_id]: cur, }; }, {}) : {}; const assetsMap = data.assets ? data.assets.reduce((acc, cur) => { return { ...acc, [cur.token_id]: cur, }; }, {}) : {}; return data.assets .filter((a) => a.config.can_borrow) .map((asset) => { const { token_id, metadata, price, config } = asset; const r = data.rewards.find((a) => a.token_id === asset.token_id); const borrowApy = r.apyBaseBorrow; const extraApy = getExtraApy(asset, data.account, data.assets); const apy = borrowApy - extraApy; const token_usd_price = price && price.usd; const liquidity = B(asset.availableLiquidity || 0) .mul(token_usd_price || 0) .toNumber(); const { volatility_ratio } = config; const hasRewards = rewardsMap[token_id] && assetsMap[token_id]; const rewardMap = hasRewards && rewardsMap[token_id]; const rewardTokens = rewardMap && rewardMap.rewardTokensBorrow; return { icon: metadata.icon, symbol: metadata.symbol, apy, rewardTokens, volatility_ratio, token_id, liquidity, }; }); }; const onLoad = (data) => { State.update(data); // get market can deposit assets if (data.assets && data.assets.length) State.update({ tableData: formatAssets(data) }); }; const rewardsMap = rewards ? rewards.reduce((acc, cur) => { return { ...acc, [cur.token_id]: cur, }; }, {}) : {}; const assetsMap = assets ? assets.reduce((acc, cur) => { return { ...acc, [cur.token_id]: cur, }; }, {}) : {}; function getExtraApy(asset, account, assets) { const asset_token_id = asset.token_id; const borrowFarm = asset.farms.find( (farm) => farm["farm_id"]["Borrowed"] && Object.keys(farm.rewards || {}).length ); if (!borrowFarm) return 0; const assetDecimals = asset.metadata.decimals + asset.config.extra_decimals; const totalBorrowUSD = toUsd(asset.borrowed.balance, asset); const rewards = borrowFarm.rewards; let userFarm; if (account) { userFarm = account.farms.find((farm) => { return ( farm["farm_id"]["Borrowed"] == asset.token_id && farm.rewards.length ); }); } if (!userFarm) { return Object.keys(rewards) .map((reward_token_id) => { const farmData = rewards[reward_token_id]; const { reward_per_day, boosted_shares } = farmData; const assetReward = assets.find( (asset) => asset.token_id == reward_token_id ); const totalRewardsUsd = toUsd( B(reward_per_day).mul(365).toFixed(), assetReward ); if (B(totalBorrowUSD).eq(0)) return 0; const apy = B(totalRewardsUsd).div(totalBorrowUSD).mul(100).toFixed(); return apy; }) .reduce((acc, cur) => acc + Number(cur), 0); } else { return userFarm.rewards .map((farmData) => { const { reward_token_id, boosted_shares, asset_farm_reward } = farmData; const assetReward = assets.find( (asset) => asset.token_id == reward_token_id ); const borrowedShares = Number( shrinkToken(boosted_shares || 0, assetDecimals) ); const totalBoostedShares = Number( shrinkToken(asset_farm_reward.boosted_shares, assetDecimals) ); const boosterLogBase = Number( shrinkToken( asset_farm_reward.booster_log_base, config.booster_decimals ) ); const xBRRRAmount = Number( shrinkToken( account.booster_staking["x_booster_amount"] || 0, config.booster_decimals ) ); const log = Math.log(xBRRRAmount) / Math.log(boosterLogBase); const multiplier = log >= 0 ? 1 + log : 1; const userBorrowedBalance = account.borrowed.find((asset) => asset.token_id == asset_token_id) .balance || 0; const totalUserAssetUSD = toUsd(userBorrowedBalance, asset); const totalRewardsUsd = toUsd( B(asset_farm_reward.reward_per_day).mul(365).toFixed(), assetReward ); return B(totalRewardsUsd) .mul(borrowedShares / totalBoostedShares) .mul(multiplier) .div(totalUserAssetUSD) .mul(100) .toFixed(); }) .reduce((acc, cur) => acc + Number(cur), 0); } } const toUsd = (balance, asset) => asset.price?.usd ? Number( shrinkToken( balance, asset.metadata.decimals + asset.config.extra_decimals ) ) * asset.price.usd : 0; // get market can burrow assets const renderAssets = (data) => data.map((asset) => { const { icon, symbol, apy, rewardTokens, volatility_ratio, token_id, liquidity, } = asset; const rewardTokensImg = rewardTokens && rewardTokens.map((token_id, index) => { const metadata = assetsMap[token_id].metadata; return ( <img class={`rewardIcon ${index > 0 ? "ml_4_ne" : ""}`} src={metadata.icon} ></img> ); }); const cf = volatility_ratio / 100; const liquidity_display = nFormat(liquidity); return ( <tr key={token_id}> <td> <img src={icon || wnearbase64} class="tokenIcon"></img> {symbol} </td> <td>{toAPY(apy)}%</td> <td class="text-white"> {rewardTokensImg.length == 0 ? "-" : rewardTokensImg} </td> <td>{cf || "-"}%</td> <td>${liquidity_display}</td> <td> <div class="table_handlers"> <Widget src="juaner.near/widget/ref-operation-button" props={{ clickEvent: () => { handleSelect(token_id); }, buttonType: "solid", actionName: "Borrow", hoverOn: true, }} /> </div> </td> </tr> ); }); const handleSelect = (token_id) => { State.update({ selectedTokenId: token_id, showModal: true, }); }; function closeModal() { State.update({ showModal: false, }); } function getWnearIcon(icon) { State.update({ wnearbase64: icon, }); } function getCloseButtonIcon(icon) { State.update({ closeButtonBase64: icon, }); } const selectedToken = (selectedTokenId && assetsMap[selectedTokenId]) || {}; const selectedTokenMeta = selectedToken.metadata || {}; const handleSort = (type, key) => { if (!state.tableData.length) return; State.update({ tableData: state.tableData.sort((a, b) => type === "down" ? a[key] - b[key] : b[key] - a[key] ), }); }; return ( <Container> {/* load data */} {!hasData && ( <Widget src="juaner.near/widget/ref_burrow-data" props={{ onLoad }} /> )} {/* load icons */} <Widget src="juaner.near/widget/ref-icons" props={{ getWnearIcon, getCloseButtonIcon }} /> {/* market */} <div class="fw-bold text-white pt-3 font-18 title"> <span class="text_red_color">Borrow</span> Market </div> <table class="assets_table click"> <thead> <tr> <th scope="col" width="20%"> Assets </th> <th scope="col" width="15%"> <div className="table_sorter"> <span>APY</span> <div className="arrows"> <div className="arrow-wrap"> <div className="arrow arrow-up" onClick={() => { handleSort("up", "apy"); }} /> </div> <div className="arrow-wrap"> <div className="arrow arrow-down" onClick={() => { handleSort("down", "apy"); }} /> </div> </div> </div> </th> <th scope="col" width="15%"> Rewards </th> <th scope="col" width="15%"> C.F. </th> <th scope="col" width="20%"> <div className="table_sorter"> <span> Total Liquidity</span> <div className="arrows"> <div className="arrow-wrap"> <div className="arrow arrow-up" onClick={() => { handleSort("up", "liquidity"); }} /> </div> <div className="arrow-wrap"> <div className="arrow arrow-down" onClick={() => { handleSort("down", "liquidity"); }} /> </div> </div> </div> </th> <th scope="col" width="15%"></th> </tr> </thead> <tbody>{renderAssets(state.tableData)}</tbody> </table> {/* Modal*/} <Widget src="juaner.near/widget/ref-market-burrow-burrow" props={{ selectedTokenId, selectedTokenMeta, showModal, closeModal }} /> </Container> );