glif apy

gistfile1.txt

const { ethers } = require('ethers')
const GLIF_CONTRACT = {
  address: '0xe764Acf02D8B7c21d2B6A8f0a96C78541e0DC3fd', // GLIF contract address
  abi: [
    'function getRate() view returns(uint256 rate)',
    'function totalBorrowed() view returns(uint256)',
    'function totalAssets() view returns(uint256)'
  ]
}

const glifContract = new ethers.Contract(
  GLIF_CONTRACT.address,
  GLIF_CONTRACT.abi,
  provider
)

// Fetch APY and TVL from the contract
const [perEpochRate, borrowed, assets] = await Promise.all([
  glifContract.getRate(),
  glifContract.totalBorrowed(),
  glifContract.totalAssets()
])

const epochsInYear = 2n * 60n * 24n * 365n // epochs in a year
let baseApr = BigInt(perEpochRate) * epochsInYear

// Treasury fee is typically 10% (0.1 * 1e18 in WAD)
const treasuryFeeRate = ethers.parseUnits('0.1', 18)
const oneWAD = ethers.parseUnits('1', 18)

// Calculate APR after treasury fee: apr * (1 - tFeeRate)
baseApr = (baseApr * (oneWAD - treasuryFeeRate)) / oneWAD

// Calculate utilization rate (borrowed * 1e18 / assets)
const utilizationRate = (borrowed * oneWAD) / assets

// Calculate current APY
let currentApy = (baseApr * utilizationRate) / oneWAD / oneWAD

// Convert to human-readable percentage
const rate = Number(currentApy) / 1e16 // Convert to percentage
const tvl = Number(ethers.formatUnits(borrowed, 18)) // Convert to FIL

const stakingData = [
  {
    protocol: 'GLIF',
    rate,
    tvl,
    description: 'GLIF Staking Protocol'
  }
]