Notes

• Transactions are paid with ether.
• Similar to how one dollar is equal to 100 cent, one ether is equal to 10^18 wei.

Code

Compile and deploy the code block below:

solidity
EtherUnits.sol
Copy
// SPDX-License-Identifier: MIT
pragma solidity ^0.8.20;

contract EtherUnits {
   uint public oneWei = 1 wei;
   // 1 wei is equal to 1
   bool public isOneWei = 1 wei == 1;

   uint public oneEther = 1 ether;
   // 1 ether is equal to 10^18 wei
   bool public isOneEther = 1 ether == 1e18;
}