Ethereum Name Service

1export const name = 'Ethereum Name Service';
2export const version = '0.1.3';
3export const license = 'MIT';
4
5export function setup(sdk: Context) {
6  const getFees = async (startDate: string, endDate: string): Promise<number> => {
7    const startOfDayBlock = await sdk.chainData.getBlockNumber(startDate);
8    const endOfDayBlock = await sdk.chainData.getBlockNumber(endDate);
9
10    const data = await sdk.graph.query(
11      'dmihal/ens-fees',
12      `query txFees($startOfDay: Int!, $endOfDay: Int!){
13        startOfDay: ens(id: "ens", block: {number: $startOfDay}) {
14          usdCollected
15        }
16        endOfDay: ens(id: "ens", block: {number: $endOfDay}) {
17          usdCollected
18        }
19      }`,
20      {
21        variables: {
22          startOfDay: startOfDayBlock,
23          endOfDay: endOfDayBlock,
24        },
25      },
26    );
27
28    const fees = parseFloat(data.endOfDay.usdCollected) - parseFloat(data.startOfDay.usdCollected);
29
30    return fees;
31  }
32
33  const getOneDayFees = (date: string) => {
34    const nextDay = sdk.date.offsetDaysFormatted(date, 1);
35    return getFees(date, nextDay);
36  }
37
38  sdk.register({
39    id: 'ens',
40    queries: {
41      oneDayTotalFees: getOneDayFees,
42      oneDayProtocolFees: getOneDayFees,
43      dateRangeTotalFees: getFees,
44      dateRangeProtocolFees: getFees,
45
46    },
47    metadata: {
48      name: 'ENS',
49      icon: sdk.ipfs.getDataURILoader('QmcVVHX9MmeJkATvuhNBhVUL4sXqNuU5eT6m6W47E2yxnN', 'image/svg+xml'),
50      protocolLaunch: '2020-08-07', // Don't currently have data before this
51      category: 'other',
52      description: 'ENS is a naming protocol for wallets, websites and more.',
53      feeDescription: 'Registration fees are paid to the DAO treasury.',
54      blockchain: 'Ethereum',
55      source: 'The Graph Protocol',
56      website: 'https://ens.domains',
57      events: [
58        {
59          date: '2021-11-09',
60          description: 'ENS DAO & token launched',
61        },
62      ],
63    },
64  })
65}
66