Total Value Locked of HEX

totalValueLockedHEX.js

// https://codeakk.medium.com/hex-development-data-a1b1822446fa
// https://togosh.medium.com/hex-developer-guide-3b018a943a55
// https://thegraph.com/legacy-explorer/subgraph/uniswap/uniswap-v2
// https://thegraph.com/legacy-explorer/subgraph/uniswap/uniswap-v3
// https://etherscan.io/apis 
// NOTE: REPLACE XXXXXXXX with Etherscan API Key

test();

async function test(){
  var priceUV2 = await getUniswapV2HEXDailyPrice();
  console.log("HEX Price Uniswap V2: " + Number(priceUV2).toLocaleString(undefined, {minimumFractionDigits:4, maximumFractionDigits:4}));

  var { stakedHEX } = await getGlobalInfo();
  console.log("Staked Supply: " + Number(stakedHEX).toLocaleString(undefined, {minimumFractionDigits:0, maximumFractionDigits:0}));

  var totalValueLocked = priceUV2 * stakedHEX;
  console.log("Total Value Locked: " + Number(totalValueLocked).toLocaleString(undefined, {minimumFractionDigits:0, maximumFractionDigits:0}));
}

async function getUniswapV2HEXDailyPrice(){
  return await fetch('https://api.thegraph.com/subgraphs/name/uniswap/uniswap-v2', {
    method: 'POST',
    headers: { 'Content-Type': 'application/json' },
    body: JSON.stringify({ query: `
      query {
        tokenDayDatas (
          first: 1, 
          orderBy: date, 
          orderDirection: desc, 
          where: { 
            token: "0x2b591e99afe9f32eaa6214f7b7629768c40eeb39"
          }) 
            { 
              date
              token { symbol }
              priceUSD 
            }
      }` 
    }),
  })
  .then(res => res.json())
  .then(res => {
    var tokenDayData = res.data.tokenDayDatas[0];
    return parseFloat(tokenDayData.priceUSD);
  });
}

async function getGlobalInfo(){
  const HEX_CONTRACT_ADDRESS = "0x2b591e99afe9f32eaa6214f7b7629768c40eeb39";
  const HEX_CONTRACT_GLOBALINFO = "0xf04b5fa0";
  const ETHERSCAN_APIKEY = "XXXXXXXX"
  
  var etherScanURL = 
  "https://api.etherscan.io/api?" +
  "module=proxy&action=eth_call" +
  "&to=" + HEX_CONTRACT_ADDRESS +
  "&data=" + HEX_CONTRACT_GLOBALINFO +
  "&apikey=" + ETHERSCAN_APIKEY;

  return await fetch(etherScanURL, {
    method: 'GET',
    headers: { 'Content-Type': 'application/json' }
  })
  .then(res => res.json())
  .then(res => {
    var chunks = chunkSubstr(res.result.substring(2), 64);

    var circulatingSupply = parseInt(chunks[11], 16).toString();
    circulatingSupply = circulatingSupply.substring(0, circulatingSupply.length - 8);

    var stakedHEX = parseInt(chunks[0], 16).toString();
    stakedHEX = stakedHEX.substring(0, stakedHEX.length - 8);
    
    var totalTshares = parseInt(chunks[5], 16).toString();
    totalTshares = totalTshares.substring(0, totalTshares.length - 12) + "." + totalTshares.substring(totalTshares.length - 12);

    return {
      circulatingHEX: parseInt(circulatingSupply),
      stakedHEX: parseInt(stakedHEX),
      totalTshares: parseFloat(totalTshares),
    };
  });
}

function chunkSubstr(str, size) {
  const numChunks = Math.ceil(str.length / size);
  const chunks = new Array(numChunks);

  for (let i = 0, o = 0; i < numChunks; ++i, o += size) {
    chunks[i] = str.substr(o, size);
  }

  return chunks;
}