mujibat/advancedavax

Solidity by Example ERC-20 Token Contract

Overview

This contract represents a basic implementation of the ERC-20 token standard in the Solidity programming language. It provides functionalities for token transfers, approvals, and a basic minting and burning mechanism.

SPDX-License-Identifier

This contract is licensed under the MIT License. Please refer to the MIT License for the full text.

Prerequisites

• Solidity version: ^0.8.17

ERC-20 Token Details

• Name: Solidity by Example
• Symbol: SOLBYEX
• Decimals: 18

Functions

transfer

solidity function transfer(address recipient, uint amount) external returns (bool); Transfers a specified amount of tokens from the sender's account to the recipient's account.

approve

function approve(address spender, uint amount) external returns (bool); Approves the spender to spend a specified amount of tokens on behalf of the owner.

transferFrom

function transferFrom(address sender, address recipient, uint amount) external returns (bool); Transfers a specified amount of tokens from the sender's account to the recipient's account, provided the sender has been approved by the owner.

mint

function mint(uint amount) external; Mints a specified amount of new tokens, adding them to the total supply and the sender's balance.

burn

function burn(uint amount) external; Burns a specified amount of tokens, reducing the total supply and the sender's balance.

Vault Contract for ERC-20 Tokens

Overview

The Vault contract is designed to securely manage deposits and withdrawals of ERC-20 tokens while issuing and redeeming corresponding shares to participants. This implementation follows the ERC-20 interface for compatibility and transparency.

SPDX-License-Identifier

This contract is licensed under the MIT License. Please refer to the MIT License for the full text.

ERC-20 Interface

This contract includes the standard ERC-20 interface as specified by the IERC20 interface. This allows seamless interaction with the ERC-20 ecosystem.

Vault Contract

The Vault contract manages deposits and withdrawals of ERC-20 tokens while issuing and redeeming shares to participants.

Constructor

constructor(address _token) {
    token = IERC20(_token);
}