Ribbon fees

1export const name = 'Ribbon fees';
2export const version = '0.1.0';
3export const license = 'MIT';
4
5function getCoingeckoId(tokenSymbol: string) {
6  switch (tokenSymbol) {
7    case 'WETH':
8      return 'ethereum';
9    case 'WBTC':
10      return 'wrapped-bitcoin';
11    case 'AAVE':
12      return 'aave';
13    case 'USDC':
14      return 'usd-coin';
15    case 'APE':
16      return 'apecoin';
17    default:
18      throw new Error(`Unknown asset ${tokenSymbol}`)
19  };
20};
21
22export function setup(sdk: Context) {
23  const getFees = async (startDate: string, endDate: string, isProtocol: boolean): Promise<number> => {
24
25    const [startBlock, endBlock] = await Promise.all([
26      sdk.chainData.getBlockNumber(startDate, 'ethereum'),
27      sdk.chainData.getBlockNumber(endDate, 'ethereum')
28    ]);
29    const feeType = isProtocol ? 'totalFeeCollected' : 'totalPremiumEarned';
30
31    const query = `query {
32      start: vaults(id: "vaults", block: {number: ${startBlock}}) {
33        id
34        ${feeType}
35        underlyingAsset
36        underlyingSymbol
37      }
38      end: vaults(id: "vaults", block: {number: ${endBlock}}) {
39        id
40        ${feeType}
41        underlyingAsset
42        underlyingSymbol
43      }
44    }`;
45
46    const data = await sdk.graph.query('ribbon-finance/ribbon-v2', query, {});
47    let deltas = {};
48    let total = 0;
49
50    for (let i = 0; i < data['start'].length; i++) {
51      deltas[i] = data['end'][i][feeType] - data['start'][i][feeType];
52      const tokenContract = sdk.ethers.getERC20Contract(data['start'][i].underlyingAsset);
53      const [decimals, tokenPrice] = await Promise.all([
54        tokenContract.decimals(),
55        sdk.coinGecko.getHistoricalPrice(getCoingeckoId(data['start'][i].underlyingSymbol), endDate)
56      ]);
57
58      total += deltas[i] * tokenPrice / 10 ** decimals;
59    };
60
61    return total;
62  };
63
64  const getOneDayProtocolFees = async (date: string) => {
65    if (new Date(date).getDay() !== 5) {
66      return 0;
67    }
68    const nextDay = sdk.date.offsetDaysFormatted(date, 1);
69    return getFees(date, nextDay, true);
70  };
71  const getOneDayTotalFees = async (date: string) => {
72    if (new Date(date).getDay() !== 5) {
73      return 0;
74    }
75    const nextDay = sdk.date.offsetDaysFormatted(date, 1);
76    return getFees(date, nextDay, false);
77  };
78  const getProtocolFees = (startDate: string, endDate: string) => {
79    return getFees(startDate, endDate, true);
80  };
81  const getTotalFees = (startDate: string, endDate: string) => {
82    return getFees(startDate, endDate, false);
83  };
84
85  sdk.register({
86    id: 'ribbon',
87    queries: {
88      oneDayTotalFees: getOneDayTotalFees,
89      oneDayProtocolFees: getOneDayProtocolFees,
90      dateRangeTotalFees: getTotalFees,
91      dateRangeProtocolFees: getProtocolFees,
92    },
93    metadata: {
94      name: 'Ribbon',
95      icon: sdk.ipfs.getDataURILoader('QmR6R8v4GNqvYR5WcvjY1W5MRxuKoJTNf6L7ESGkBcj164', 'image/svg+xml'),
96      category: 'options',
97      description: 'Structured products protocol.',
98      feeDescription: 'Protocol revenues are a management fee, charged on the AUM and a performance fee, which is charged on premiums earned.',
99      blockchain: 'Ethereum',
100      source: 'The Graph Protocol',
101      website: 'https://www.ribbon.finance/',
102      protocolLaunch: '2021-09-13',
103      tokenTicker: 'RBN',
104      tokenCoingecko: 'ribbon-finance',
105      events: [],
106    },
107  })
108};
109