Tornado Cash Fees

1export const name = 'Tornado Cash Fees';
2export const version = '0.1.0';
3export const license = 'MIT';
4
5export function setup(sdk: Context) {
6  const getTornadoData = async (date: string): Promise<number> => {
7    const graphQuery = `query fees($today: Int!, $yesterday: Int!){
8      now: tornado(id: "1", block: {number: $today}) {
9        totalFeesUSD
10      }
11      yesterday: tornado(id: "1", block: {number: $yesterday}) {
12        totalFeesUSD
13      }
14    }`;
15
16    const data = await sdk.graph.query(
17      'dmihal/tornado-cash',
18      graphQuery,
19      {
20        today: await sdk.chainData.getBlockNumber(sdk.date.offsetDaysFormatted(date, 1)),
21        yesterday: await sdk.chainData.getBlockNumber(date),
22      },
23    );
24
25    return parseFloat(data.now.totalFeesUSD) - parseFloat(data.yesterday.totalFeesUSD);
26  }
27
28  sdk.register({
29    id: 'tornado-ethereum',
30    queries: {
31      oneDayTotalFees: getTornadoData,
32    },
33    metadata: {
34      icon: sdk.ipfs.getDataURILoader('QmeUzPPCdpqEYArWyMdUVZJk4GUmuR4TAkK6U4eb9vZDPa', 'image/svg+xml'),
35      name: 'Tornado Cash',
36      category: 'other',
37      description: 'Tornado Cash is a privacy tool for trustless asset mixing.',
38      feeDescription: 'Relay fees are paid by withdrawers to relayers.',
39      blockchain: 'Ethereum',
40      source: 'The Graph Protocol',
41      tokenTicker: 'TORN',
42      tokenCoingecko: 'tornado-cash',
43      tokenLaunch: '2021-02-09',
44      protocolLaunch: '2019-12-26',
45    },
46  })
47}
48