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update apy calculation #2

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52fceee
update apy calculation
Oct 27, 2020
d0fa828
update apy calculation 2
Oct 27, 2020
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98 changes: 90 additions & 8 deletions cmc.js
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Original file line number Diff line number Diff line change
@@ -1,6 +1,7 @@
const fs = require('fs');
const Web3 = require("web3");
const request = require('request');
const fetch = require('node-fetch');
const web3 = new Web3(new Web3.providers.HttpProvider(process.env.INFURA));
const URLAPY = 'https://flamincome-tlv-pubsub.herokuapp.com/apy'
const ABI = [{ "inputs": [], "stateMutability": "nonpayable", "type": "constructor" }, { "anonymous": false, "inputs": [{ "indexed": true, "internalType": "address", "name": "owner", "type": "address" }, { "indexed": true, "internalType": "address", "name": "spender", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "value", "type": "uint256" }], "name": "Approval", "type": "event" }, { "anonymous": false, "inputs": [{ "indexed": true, "internalType": "address", "name": "from", "type": "address" }, { "indexed": true, "internalType": "address", "name": "to", "type": "address" }, { "indexed": false, "internalType": "uint256", "name": "value", "type": "uint256" }], "name": "Transfer", "type": "event" }, { "inputs": [{ "internalType": "address", "name": "owner", "type": "address" }, { "internalType": "address", "name": "spender", "type": "address" }], "name": "allowance", "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }], "stateMutability": "view", "type": "function" }, { "inputs": [{ "internalType": "address", "name": "spender", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" }], "name": "approve", "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "available", "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "balance", "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }], "stateMutability": "view", "type": "function" }, { "inputs": [{ "internalType": "address", "name": "account", "type": "address" }], "name": "balanceOf", "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "controller", "outputs": [{ "internalType": "address", "name": "", "type": "address" }], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "decimals", "outputs": [{ "internalType": "uint8", "name": "", "type": "uint8" }], "stateMutability": "view", "type": "function" }, { "inputs": [{ "internalType": "address", "name": "spender", "type": "address" }, { "internalType": "uint256", "name": "subtractedValue", "type": "uint256" }], "name": "decreaseAllowance", "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [{ "internalType": "uint256", "name": "_amount", "type": "uint256" }], "name": "deposit", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "depositAll", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "earn", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "governance", "outputs": [{ "internalType": "address", "name": "", "type": "address" }], "stateMutability": "view", "type": "function" }, { "inputs": [{ "internalType": "address", "name": "reserve", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" }], "name": "harvest", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [{ "internalType": "address", "name": "spender", "type": "address" }, { "internalType": "uint256", "name": "addedValue", "type": "uint256" }], "name": "increaseAllowance", "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "max", "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "min", "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "name", "outputs": [{ "internalType": "string", "name": "", "type": "string" }], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "priceE18", "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }], "stateMutability": "view", "type": "function" }, { "inputs": [{ "internalType": "address", "name": "_controller", "type": "address" }], "name": "setController", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [{ "internalType": "address", "name": "_governance", "type": "address" }], "name": "setGovernance", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [{ "internalType": "uint256", "name": "_min", "type": "uint256" }], "name": "setMin", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "symbol", "outputs": [{ "internalType": "string", "name": "", "type": "string" }], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "token", "outputs": [{ "internalType": "contract IERC20", "name": "", "type": "address" }], "stateMutability": "view", "type": "function" }, { "inputs": [], "name": "totalSupply", "outputs": [{ "internalType": "uint256", "name": "", "type": "uint256" }], "stateMutability": "view", "type": "function" }, { "inputs": [{ "internalType": "address", "name": "recipient", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" }], "name": "transfer", "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [{ "internalType": "address", "name": "sender", "type": "address" }, { "internalType": "address", "name": "recipient", "type": "address" }, { "internalType": "uint256", "name": "amount", "type": "uint256" }], "name": "transferFrom", "outputs": [{ "internalType": "bool", "name": "", "type": "bool" }], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [{ "internalType": "uint256", "name": "_shares", "type": "uint256" }], "name": "withdraw", "outputs": [], "stateMutability": "nonpayable", "type": "function" }, { "inputs": [], "name": "withdrawAll", "outputs": [], "stateMutability": "nonpayable", "type": "function" }]
Expand All @@ -19,14 +20,95 @@ const F = new Map([
const CU = new Map([...U].map(([k, v]) => [k, new web3.eth.Contract(ABI, v)]))
const CF = new Map([...F].map(([k, v]) => [k, new web3.eth.Contract(ABI, v)]))

request(URLAPY, function (error, response, body) {
if (error) {
throw error

let flamincome = {
__init__: function () {
try {
window.web3 = new Web3(web3.currentProvider)
} catch {
}
fetch('https://cdn.jsdelivr.net/gh/flamincome/registry/abi/vault.baseline.json').then(resp => resp.text()).then(text => {
flamincome.__abi__.vault_baseline = JSON.parse(text)
//console.log('flamincome.__abi__.vault_baseline is')
//console.log(flamincome.__abi__.vault_baseline)
}).catch(err => {
console.log(err)
setTimeout(flamincome.__init__, 1000)
})
fetch('https://cdn.jsdelivr.net/gh/flamincome/registry/address/vault.json').then(resp => resp.text()).then(text => {
flamincome.__registry__.vault = JSON.parse(text)
//console.log('flamincome.__registry__.vault is')
//console.log(flamincome.__registry__.vault)
}).catch(err => {
console.log(err)
setTimeout(flamincome.__init__, 1000)
})
},
__abi__: {},
__registry__: {},
__get_vault_by_symbol__: function (symbol) {
//console.log((flamincome.__registry__))
let vault = flamincome.__registry__.vault[symbol]
if (!vault) {
throw { message: `canout find registry '${symbol}'` }
}
return new web3.eth.Contract(flamincome.__abi__.vault_baseline, vault)
}
if (response.statusCode != 200) {
throw response
}


let func = async function () {
flamincome.__init__()
await new Promise(res => {
setTimeout(function () { res() }, 10000)
})
var tmp = new Map()

for (var symbol of F.keys()) {
let vault = flamincome.__get_vault_by_symbol__(symbol)
//console.log(symbol)//1
await new Promise(res => {
web3.eth.getBlockNumber().then(async (num) => {
let nl = num - 10000
let nr = num
let bl = await web3.eth.getBlock(nl)
let br = await web3.eth.getBlock(nr)
let duration = br.timestamp - bl.timestamp
let pl = await vault.methods.priceE18().call({}, nl)
let pr = await vault.methods.priceE18().call({}, nr)
pl = parseFloat(pl)
pr = parseFloat(pr)
let apy = (((pr / pl) ** (31557600 / duration) - 1) * 100).toFixed(2)
//console.log(apy)//2
tmp.set(symbol, apy)
// Promise.all([bl, br]).then(([bl, br]) => {
// let duration = br.timestamp - bl.timestamp
// let pl = vault.methods.priceE18().call({}, nl)
// let pr = vault.methods.priceE18().call({}, nr)
// Promise.all([pl, pr]).then(([pl, pr]) => {
// pl = parseFloat(pl)
// pr = parseFloat(pr)
// let apy = (((pr / pl) ** (31557600 / duration) - 1) * 100).toFixed(2)
// console.log(apy)//2
// tmp.set(symbol, apy)
// })
// })
}).catch(err => {
//console.log(err)
}).finally(() => {
//console.log('emit res')//3
res();
})

})
//console.log('next trick')//4

}
const APY = new Map(JSON.parse(body).map(v => [v.token.toUpperCase(), v.percentageAPY]))


const APY = tmp
//console.log("result is")
//console.log(APY)
Promise.all([...U].map(([k, v]) => new Promise(resolve => {
if (k.startsWith('UNI-V2')) {
const url = 'https://api.coinmarketcap.com/data-api/v3/farming/yield/latest'
Expand Down Expand Up @@ -100,6 +182,6 @@ request(URLAPY, function (error, response, body) {
}),
}
}).then(json => fs.writeFileSync(process.env.OUTFILE, JSON.stringify(json, "", "\t")))
})

}

func();