BSC Fees

1export const name = 'BSC Fees';
2export const version = '0.2.0';
3export const license = 'MIT';
4
5export function setup(sdk: Context) {
6  async function getBSCData(date: string): Promise<number> {
7    const query = `query txFees($startOfDay: Int!, $endOfDay: Int!){
8      startOfDay: fee(id: "1", block: { number: $startOfDay }) {
9        totalFees
10      }
11      endOfDay: fee(id: "1", block: { number: $endOfDay }) {
12        totalFees
13      }
14    }`;
15
16    const data = await sdk.graph.query('dmihal/bsc-validator-rewards', query, {
17      variables: {
18        startOfDay: await sdk.chainData.getBlockNumber(date, 'bsc'),
19        endOfDay: await sdk.chainData.getBlockNumber(sdk.date.offsetDaysFormatted(date, 1), 'bsc'),
20      },
21    })
22
23    const bnbFees = data.endOfDay.totalFees - data.startOfDay.totalFees;
24
25    const bnbPrice = await sdk.coinGecko.getHistoricalPrice('binancecoin', date);
26
27    return bnbFees * bnbPrice;
28  }
29
30  const getBurntFees = async (date: string) => {
31    if (sdk.date.isBefore(date, '2021-12-01')) { // Date that BEP-95 was enabled
32      return 0;
33    }
34
35    const totalFees = await getBSCData(date);
36    return totalFees * 0.1;
37  }
38
39  sdk.register({
40    id: 'bsc',
41    queries: {
42      oneDayTotalFees: getBSCData,
43      networkFeesByDayUSD: getBSCData,
44      oneDayProtocolFees: getBurntFees,
45    },
46    metadata: {
47      icon: sdk.ipfs.getDataURILoader('QmYCfAzYWvHf1NBQodQedqGhs3QRZxCs1QeA4saneyTJgu', 'image/svg+xml'),
48      category: 'l1',
49      name: 'BNB Smart Chain',
50      shortName: 'BSC',
51      description: 'BNB Smart Chain is an inexpensive, EVM-compatible chain created by Binance.',
52      feeDescription: '10% of fees are burnt, with the remainder paid to validators.',
53      blockchain: 'BSC',
54      source: 'Etherscan',
55      website: 'https://bnbchain.org',
56      tokenTicker: 'BNB',
57      tokenCoingecko: 'binancecoin',
58      protocolLaunch: '2020-09-11',
59    },
60  });
61}
62
63