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Crowdsale.md

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Crowdsale Contract

Twitter: Jack Lee｜Conflux DAO

Community: JackLee.io ｜Conflux Forum

All code and tutorials are open source on GitHub: https://github.com/jackleeio/TokenCraft

The Crowdsale contract allows project teams to raise funds by selling ERC20 tokens. This contract supports fixed supply tokens and provides flexible settings for crowdsale parameters.

Contracts

Crowdsale Contract: Crowdsale.sol

Testing

forge test --match-contract SimpleCrowdsaleTest -vvv

Tests should cover the following scenarios:

  1. Initial token allocation
  2. Validation of crowdsale start and end times
  3. Token purchase behavior
  4. Withdrawal of unsold tokens

Method Calls

The SimpleCrowdsale contract inherits from Ownable. Here are the main method calls:

  1. buyTokens(): Allows users to purchase tokens.
  2. withdrawTokens(): Allows the project team to withdraw unsold tokens.
  3. hasCrowdsaleStarted(): Checks if the crowdsale has started.
  4. hasCrowdsaleEnded(): Checks if the crowdsale has ended.

Deployment Script

The ERC20Crowdsale.s.sol script is used to deploy both the token and crowdsale contracts. It sets the following parameters:

  • Initial token supply: 10,000,000 CRAFT
  • Crowdsale allocation: 1,000,000 CRAFT
  • Exchange rate: 1 ETH = 100 CRAFT
  • Crowdsale start time: 1 day after deployment
  • Crowdsale duration: 30 days