Beefy API

API that powers Beefy Finance. You can find the repo for the frontend here.

---

To Run.

yarn install-all
yarn start

Note: After you start the API it can take a minute or two before you can fetch the APYs. We currently log getApys() to the console when all the data is available.

Optional enviroment vars:

BSC_RPC - A custom RPC endpoint that you want to use. HECO_RPC - A custom RPC endpoint for HECO. You can just leave the default one otherwise. FORTUBE_API_TOKEN - A token from Fortube to use their API. If you don't have a token you will get a console warning and the Fortube APYs will be slightly smaller than in production. Everything works fine otherwise.

---

---

Endpoints

http://localhost:3000/

---

Consumed by the app

/apy

The main endpoint used by the frontend. It returns the APY of all the vaults in the following format.

{
	"bifi-maxi": 0.22448469479728606, // 22%
	"cake-cake": 2.8002377054263174, // 280%
	"cake-smart": 2.8002377054263174, // 280%
	"cake-swingby-bnb": 21.85102752680053 // 2185%
}

NB This is the legacy format. A new endpoint is being created at /apy/breakdown with a staggered migration.

/apy/breakdown

The new version of the APY endpoint, broken down into component parts when they are available. The endpoint moves to a new format, which is consistent whether or not the breakdown stats are possible to display. It has the following structure:

{
  "bifi-maxi": {
    "totalApy": 0.07598675804818633
  },
  "cometh-must-eth": {
    "vaultApr": 1.186973388240745,
    "compoundingsPerYear": 2190,
    "beefyPerformanceFee": 0.045,
    "vaultApy": 2.1057844292858614,
    "lpFee": 0.005,
    "tradingApr": 0.22324214039526927,
    "totalApy": 2.8825691266420788
  }
}

Note the endpoint exposes elements needed for the Total APY calculation. Where this is not possible, we just show the legacy Total APY. Note that the legacy Total APY -> totalApy does not include the trading fees.

Each of these fields within the structure are:

• vaultApr - Yearly rewards in USD divided by total staked in USD.
• compoundingsPerYear - The estimated compounding events. This is an internal field and references the value used within the calculation for this project.
• beefyPerformanceFee - The flat Beefy performance fee included in the calculation. This is an internal field for reference.
• vaultApy - The vaultApr compounded, using compoundingsPerYear and beefyPerformanceFee in the calculation.
• lpFee - The Liquidity Provider (LP) fee per trade. This is an internal field for reference.
• tradingApr - Annual interest from trading fees, not compounded.
• totalApy - The known Total APY. Where fields are available to calculate the Total APY including trading fees, this is calculated. The final calculation is totalApy = (1 + vaultApr) * (1 + (compounded tradingApr)) - 1.

/prices All token prices under the same endpoint (crosschain).

/lps: All liqudity pair prices under a single endpoint (crosschain).

/vaults: TBD

---

Consumed by the dashboard

/earnings: Used to display the total and daily earnings of the platform

/holders: Used to display the total number of holders. This calc takes into account users with 0 BIFI in their wallet, but BIFI staked in the reward pool

---

Consumed by third party platforms

/cmc: Custom endpoint required by CoinMarketCap to display our vaults in their yield farming section

/supply: Used by Coingecko to display BIFI's total supply and circulating supply

---

---

Contribute

Beefy.Finance exists thanks to its contributors. There are many ways you can participate and help build high quality software. Check out the contribution guide!

---

---

License

MIT.