问(Bug)从服务器获取对象返回未定义的

EN

app.post('/api/passData', (req, res) =>
{
const {data} = req.body;

console.log(`passData returned: ${data.members[0]}`);

  dataPool.setData({data});
  
res.json(`${data} block was added`);
});

let tester = await decryptMes(chain[i].data[0].members[0].user);
//user public key is passed to data in decryptMes() parameters.

window.decryptMes = async function(data)
{
    var skey = getSKey();

    if (skey === null || undefined) 
    {
      console.log('You do not have a key pair');
      return;
    }
    console.log("skey is not null");
    console.log(`data returned ${data}`); //data is returning undefined!
    var decryptedMes = await eccrypto.decrypt(skey, data);
    var deMes = decryptedMes.toString();
    console.log(deMes);
    return deMes;
}

data returned undefined
genKey.js:33886 Uncaught (in promise) TypeError: Cannot read property 'ephemPublicKey' of undefined
    at Object.exports.decrypt (genKey.js:33886)
    at window.decryptMes (genKey.js:26722)
    at window.search (Login.js:68)

    {
        "timestamp": 1612469806548,
        "lastHash": "0e01a641613ffa5518a8998267d07057cfd77eb60e99bb2b803e2e96ec118f86",
        "hash": "021472c81fe604e052ae108dd10fd9204daa0dcb7dc8f7ba33648e0deb48e2af",
        "data": [
            {
                "name": "LifeNet",
                "members": [
                    {
                        "0": {
                            "user": "[object Object]",
                            "profilePic": null,
                            "enDOB": "[object Object]",
                            "listeners": [],
                            "listening": [],
                            "friends": {},
                            "requested": [],
                            "blocked": [],
                            "channel": false
                        }
                    }
                ]
            }
        ],
        "nonce": 3,
        "difficulty": 3,
        "type": "pass Value here"
    }

window.decryptMes = async function(data)
{
    var skey = getSKey();

    if (skey === null || undefined) 
    {
      console.log('You do not have a key pair');
      return;
    }
    console.log("skey is not null");
    console.log(`data returned ${data}`); //data is returning undefined!
    var decryptedMes = await eccrypto.decrypt(skey, data);
    var deMes = decryptedMes.toString();
    console.log(deMes);
    return deMes;
}

window.getData = async function()
{
var response = await fetch("https://goldengates.club:3000/api/blocks");
var chain = await response.json(); 
return chain;
}

window.login = async function(inputs)
{
  const chain = await getData(); //might need to parse this
  search(inputs,chain);
  console.log(chain);
}

window.search = async function(inputs,chain)
{
  console.log("search: entered");
  var username = inputs.user.value;

  var enUser = await encryptMes(username);

  console.log(enUser);

  console.log(username);
  var user;
  var uData;
  
  console.log("block loop: pre"); //stopping here?
  for(let i = chain.length-1; i> 0; i--) //genesis block minus 1 is not greater than 0
  {
    console.log("block loop: start");
    if('name' in chain[i].data[0])
    {
    console.log("name: looped");
    if(chain[i].data[0].name == `LifeNet`) //works
    {
      console.log(`${chain[i].data[0].name}`);
      console.log("name: entered");

      //below, what is being decrypted is undefined 
      let tester = await decryptMes(chain[i].data[0].members[0].user); 
      
      if(username == tester) //username instea of enUser .members[enUser]
      {
        console.log("user: looped");
        user = chain[i].data[0].members[enUser];
        //separate the keys and decrypt them here.
        
        
          var pfp = user.profilePic;
          var dob = user.enDOB;
          var lers = user.listeners;
          var ling = user.listening;
          var fnds = user.friends;
          var req = user.requested;
          var bck = user.blocked;
          var cnl = user.channel;

          var uData = 
          {
            username,
            pfp,
            dob,
            lers,
            ling,
            fnds,
            req,
            bck,
            cnl
          }
        
          localStorage.setItem('UD',JSON.stringify(uData));
          //window.location.href = "home.html";
        //redirect to home page with above data
        console.log(uData + "search: exited t");
        return uData;
        
      }
 
    }
  }
  }
  alert(`${username} is not registered`);
  console.log(username);
  console.log("search: exited f");
  return false;
}