BuidlGuidl.eth
@buidlguidl
Building products, tools, and tutorials for the Ethereum ecosystem.
👉
👉
加入 November 2021
263 正在关注 6.9K 粉丝
Challenge 1: Crowdfunding.
The exercise:
• Write a campaign contract with a goal and a deadline
• Funders pay in, the contract holds ETH
• On success: creator withdraws
• On failure: funders get a refund
显示更多
