I've been learning solidity, however, I am still very new. Currently I am making a ERC20 Token but I am having some difficulties with doing so. Here is what I have.
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC20/ERC20.sol";
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC20/IERC20.sol";
Contract GToken is ERC20 {
constructor(string memory name, string memory symbol)
ERC20("GToken", "GTKN") public {
_mint(msg.sender, 1000000 * 10 ** uint(decimals));
}
The Error I recieve when trying to compile the contract is as follows:
ParserError: Expected ';' but got 'is' --> GToken.sol:7:21: | 7 | Contract GToken is ERC20 { | ^^
You have two syntax errors in your code:
contract
should be lowercase, not Contract
constructor
is missing closing brace }
Then you're going to run into a type conversion error with the uint(decimals)
. When you look at the remote contract, you see that decimals() is a view function - not a property. So you should read its value as if you were calling a function: decimals()
.
Combined all together:
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.0;
import "https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/contracts/token/ERC20/ERC20.sol";
// removed the IERC20 import, not needed in this context
contract GToken is ERC20 {
constructor(string memory name, string memory symbol) ERC20("GToken", "GTKN") public {
_mint(msg.sender, 1000000 * 10 ** decimals()); // calling the `decimals()` function
}
}
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