MakerDAO Treasury

1export const name = 'MakerDAO Treasury';
2export const version = '0.1.0';
3export const license = 'MIT';
4
5const VAT_ADDRESS = '0x35d1b3f3d7966a1dfe207aa4514c12a259a0492b'
6const PAUSE_ADDRESS = '0xbe8e3e3618f7474f8cb1d074a26affef007e98fb'
7
8const vatABI = [
9  'function dai(address holder) external view returns (uint256)',
10  'function sin(address holder) external view returns (uint256)',
11]
12
13export async function setup(sdk: Context) {
14  let pausePortfolioPromise: Promise<any> | null
15  const getPausePortfolio = (): Promise<any> => {
16    if (!pausePortfolioPromise) {
17      pausePortfolioPromise = sdk.http.get(`https://zerion-api.vercel.app/api/portfolio/${PAUSE_ADDRESS}`)
18        .then(result => {
19          if (result.success) {
20            return result.value
21          }
22          throw new Error(result.error)
23        })
24    }
25    return pausePortfolioPromise
26  }
27
28  const getDaiSurplus = async () => {
29    const vat = sdk.ethers.getContract(VAT_ADDRESS, vatABI)
30    const [dai, sin] = await Promise.all([
31      vat.dai('0xA950524441892A31ebddF91d3cEEFa04Bf454466'),
32      vat.sin('0xA950524441892A31ebddF91d3cEEFa04Bf454466'),
33    ])
34
35    const daiSurplus = dai.sub(sin).toString() / 1e45
36    return daiSurplus
37  }
38
39  const getTreasuryInUSD = async () => {
40    const [daiSurplus, pauseValue] = await Promise.all([
41      getDaiSurplus(),
42      getPausePortfolio(),
43    ])
44
45    return daiSurplus + pauseValue.totalValue
46  }
47
48  const getPortfolio = async () => {
49    const [pausePortfolio, daiSurplus] = await Promise.all([
50      getPausePortfolio(),
51      getDaiSurplus(),
52    ])
53
54    return [
55      ...pausePortfolio.portfolio,
56      {
57        address: '0x6b175474e89094c44da98b954eedeac495271d0f',
58        amount: daiSurplus,
59        name: 'Dai Stablecoin',
60        symbol: 'DAI',
61        icon: 'https://s3.amazonaws.com/token-icons/0x6b175474e89094c44da98b954eedeac495271d0f.png',
62        price: 1,
63        value: daiSurplus
64      },
65    ]
66  }
67
68  sdk.register({
69    id: 'makerdao',
70    queries: {
71      currentTreasuryUSD: getTreasuryInUSD,
72      currentLiquidTreasuryUSD: getTreasuryInUSD,
73      currentTreasuryPortfolio: getPortfolio,
74      recentProposals: async () => [], // TODO: Fetch actual proposals
75    },
76    metadata: {
77      icon: sdk.ipfs.getDataURILoader('QmNuxELX7oWXJtJKveaCFDC7niZ4APtkWgPn1NZm2FLSJV', 'image/svg+xml'),
78      category: 'app',
79      name: 'MakerDAO',
80      website: 'https://makerdao.com',
81      governanceSite: 'https://vote.makerdao.com',
82      governanceForum: 'https://forum.makerdao.com',
83      governanceModel: '',
84      treasuries: [PAUSE_ADDRESS],
85    },
86  })
87}
88