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pragma solidity ^0.6.2;

import "@openzeppelin/contracts/token/ERC20/IERC20.sol";


contract MyContract {  
    IERC20  LINK;
 
    constructor(address token) public {
             LINK = IERC20(token);
    }
    
    function transfertip(address to_, uint256 amount_) public {
       
        LINK.transfer( to_, amount_);
    }
}

I was able to compile and deploy the contract,but when I try to call transfer function on remix , it throws gas estimation error

1 Answer 1

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That's because the contract does not have enough LINK. You have to pre-fund it with at least an amount_ number of tokens if you want to be able to call LINK.transfer inside it.

You can transfer tokens to the smart contract by using any Ethereum wallet, e.g. MetaMask.

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  • yep ,it worked ,thanks for the help Commented Oct 1, 2021 at 14:08
  • Glad to hear. Don't forget to upvote my answer and mark it as accepted if it helped you. Commented Oct 1, 2021 at 14:10

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