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Error with Custom Token Balance in Metamask
I recently deployed a custom erc20 token using Solidity on my local machine and set up a random distribution across 10 accounts that I imported into hardhat for testing purposes. As part of the deployment process, I configured metamask to import all of these accounts.
Initially, everything seemed to be working as expected. I was able to call Balanceof on the contract in the deployed smart contract and get accurate results. However, when I tried to access the balance of a specific account using the same Balanceof Function, I started getting an error message.
After some investigation, I discovered that the issue is not with my deployment or the hardhat setup, but buy with metamask itself. Specifically, it appears that the “imported custom token” functionality in metamask does not work as expected who used with a deployed smart contract.
The Issue: Imported Custom Token
According to various online forums and community discussions, I was able to replicate the issue by importing my 10 accounts into metamask using the “Importer” function. When I imported these accounts into metamask, I noticed that they were not actually being used as the accounts in the deployed contract.
The Balanceof Function is expecting a specific account address or index of the contract's balance mapping, but since my accounts were imported without specifying which one to use, it was not working correctly. To fix this issue, I needed to specify the Correct Account Address using the "Importer" Function provided by Metamask.
Fixing the Issue
To resolve this issue, I followed these steps:
- Create a new file calledImporter.js
in the same directory as my contract and deploy contract code.
- In this Importer Script, use the following line of code to Import Specific Accounts Into Metamask:
JavaScript
Const Accounts = Await Window.ethereum.Send ("Importers", {
Accounts: [
{Name: "Account1"},
{name: "Account2"},
// ... Add more accounts here as needed ...
],
});
This will import the specified accounts into metamask and set them as the current account for our contract.
- Update My Contract Deployment Code to use this Importer Script Instead of Importing All Accounts with A
BalanceofCall:
`JavaScript
Pragma Solidity ^0.8.0;
Contract CustomContract {
// ...
}
Importer (address _importer) payable importers._accounts;
Balanceof Function () Public View Returns (Uint256) {
uint256 balance = _importer.balanceof (_contractaddress);
Return Balance;
}
By following these steps, I was able to resolve the issue with importing custom into metamask and accessing their balances in my deployed contract.
