MakerDAO Treasury

1export const name = 'MakerDAO Treasury';
2export const version = '0.2.0';
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://cryptostats-api-proxy.vercel.app/api/v1/zapper/${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, pausePortfolio] = await Promise.all([
41      getDaiSurplus(),
42      getPausePortfolio(),
43    ])
44
45    let totalValue = 0;
46
47    for (const portItem of pausePortfolio) {
48      if (portItem.context.symbol === 'DAI') {
49        totalValue += (daiSurplus + portItem.context.balance) * portItem.context.price
50      } else {
51        totalValue += portItem.balanceUSD;
52      }
53  }
54  return totalValue
55  }
56
57  const getPortfolio = async () => {
58    const [pausePortfolio, daiSurplus] = await Promise.all([
59      getPausePortfolio(),
60      getDaiSurplus(),
61    ])
62
63    let portfolio = []
64
65    for (const portItem of pausePortfolio) {
66      if (portItem.context.symbol === 'DAI') {
67        portfolio.push({
68          address: portItem.address, 
69          amount: daiSurplus + portItem.context.balance,
70          name: portItem.context.symbol, 
71          symbol:portItem.context.symbol, 
72          icon:portItem.displayProps.images[0],
73          price:portItem.context.price, 
74          value:portItem.balanceUSD + (daiSurplus * portItem.context.price)
75        })
76      } else {
77         portfolio.push({
78          address: portItem.address, 
79          amount: portItem.context.balance,
80          name: portItem.context.symbol, 
81          symbol:portItem.context.symbol, 
82          icon:portItem.displayProps.images[0],
83          price:portItem.context.price, 
84          value:portItem.balanceUSD
85        })
86      }
87    }
88
89    return portfolio
90  }
91
92  sdk.register({
93    id: 'makerdao',
94    queries: {
95      currentTreasuryUSD: getTreasuryInUSD,
96      currentLiquidTreasuryUSD: getTreasuryInUSD,
97      currentTreasuryPortfolio: getPortfolio,
98      recentProposals: async () => [], // TODO: Fetch actual proposals
99    },
100    metadata: {
101      icon: sdk.ipfs.getDataURILoader('QmNuxELX7oWXJtJKveaCFDC7niZ4APtkWgPn1NZm2FLSJV', 'image/svg+xml'),
102      category: 'app',
103      name: 'MakerDAO',
104      website: 'https://makerdao.com',
105      governanceSite: 'https://vote.makerdao.com',
106      governanceForum: 'https://forum.makerdao.com',
107      governanceModel: '',
108      treasuries: [PAUSE_ADDRESS],
109    },
110  })
111}
112