Cannot read properties of undefined (reading 'toHexString')

Moralis General
#22

I’m not converting anything I’m just passing string to all params ,
except on the _salt parameter I do not set any value
what I’m trying to do is to interact with this function

#23

can you show me where exactly you are getting the error ?
you can pass all as a string, but the _salt should be in byte so the smart contract can processed it

1 Like
#24

This error happens when use useWeb3Contract hook to execute on-chain function

the function i am using to runc contract is this one

const runContract = useWeb3ExecuteFunction()
 async function createEventFunc() {
        let options = {
          chain: "rinkeby",
          contractAddress:  "0xD8C88BE5e8EB88E38E6ff5cE186d764676012B0b",
          functionName: "createLock",
           abi: unlockABI2,
           //Parameters 
           params: {
            _expirationDuration: "100",
            _tokenAddress:  "0xA0b86991c6218b36c1d19D4a2e9Eb0cE3606eB48",  //USDC ADDRESS
            _keyPrice:   "120",
            _maxNumberOfKeys: "300",
            _lockName: "abdul",
            
          },
         
           
        }
        await runContract({
          params: options,
          onSuccess:() =>{
            alert("you  have  succesful  ran  function")
          },
          onError: (errori) =>{
            alert(errori.message)
          }
        })
        console.log("clicked button")
      }

as unlock team said the _salt parameter is deprecated I don’t pass it I omitted it
also this is PROXY contract is there defference between interacting with proxy contract and noraml contract in moralis ??

@0xprof i saw your member of unlock discord server can you take look in developer group today’s discussion, The conversation is related to this question i think this will help to know the source of error

#25

No, they should be the same
ok, i will take a look

#26

thank you i’ll be waiting :blush: for your help

#27

Got another idea

someone answered :point_down:t3:

It shows the smart contract is output format not readable by moralis

is there any way to console the result of smart contract in console ??

#28

This function will not return output as long as it isnt view
Although it has a returns and returns

1 Like
#29

Good Morning everyone @0xprof @cryptokid I’m still in lockdown because of this error :sweat_smile: Let’s try this
can you guy’s try to run / interact this function it may help us to know the source of this error function info :point_down:t3:

contractAddress: ‘0xD8C88BE5e8EB88E38E6ff5cE186d764676012B0b’
this function ABI: [ {"inputs":[{"internalType":"uint256","name":"_expirationDuration","type":"uint256"}, {"internalType":"address","name":"_tokenAddress","type":"address"}, {"internalType":"uint256","name":"_keyPrice","type":"uint256"}, {"internalType":"uint256","name":"_maxNumberOfKeys","type":"uint256"}, {"internalType":"string","name":"_lockName","type":"string"}, {"internalType":"bytes12","name":"","type":"bytes12"}],"name":"createLock","outputs":[{"internalType":"address","name":"","type":"address"}],"stateMutability":"nonpayable","type":"function"},]

functionName : “createLock”

and these are required parameters
https://docs.unlock-protocol.com/unlock/developers/smart-contracts/unlock-api#createlock
NOTE: _salt Parameter is deprecated don’t use it

#30

if something is in an abi, you should pass it, even if the salt is not required, if it is in the abi, it should be passed from the front end

#31

In this new version there is no salt param
in ABI