{"p":"can-20","op":"mint","tick":"can","amt":"1000","rows":[{"df":"qa","content":[{"q":"In Rust, you can define a `Fee` struct like this:↵↵```rust↵pub struct Fee {↵    pub amount: u64,↵    pub unit: String,↵}↵```↵↵In JavaScript, you can define a `Fee` structure using Web3 like this:↵↵```javascript↵const Web3 = require('web3');↵↵class Fee {↵  constructor(amount, unit) {↵    this.amount = amount;↵    this.unit = unit;↵  }↵}↵↵// Usage example:↵const fee = new Fee(10, 'GWEI');↵console.log(fee);↵```↵↵In this example, we're using the `Web3` library to interact with the Ethereum blockchain. The `Fee` class is a simple structure that represents a fee with an amount and a unit (in this case,","a":"In Rust, you can define the Fee struct as follows:↵↵```rust↵pub struct Fee {↵    pub amount: u64,↵    pub unit: String,↵}↵↵impl Fee {↵    pub fn new(amount: u64, unit: &str) -> Self {↵        Fee {↵            amount,↵            unit: unit.to_string(),↵        }↵    }↵}↵```↵↵In JavaScript, you can define the Fee struct using a web3 library. First, make sure you have the web3  library installed. Then, you can define the Fee struct as follows:↵↵```javascript↵const Web3 = require('web3');↵↵class Fee {↵    constructor(amount, unit) {↵        this.amount = amount;↵        this.unit = unit;↵    }↵}↵↵// Usage example:↵const fee = new Fee("}]}],"pr":"1494bff53e4138cb9d54f494d3d83c6ed2eef44900a7f1506bd37ec567b274d1"}