StackStarter: Milestone-based Crowdfunding Platform

StackStarter is a decentralized crowdfunding platform built on Stacks that introduces milestone-based funding releases, ensuring accountability and reducing risk for project backers. The platform enables project creators to raise funds while giving backers confidence through a democratic milestone verification process.

Key Features

Milestone-Based Fund Release

• Funds are locked in smart contracts and released incrementally
• Project creators define milestones with specific funding requirements
• Funds are only released when milestones are successfully validated
• Each milestone requires a predetermined number of backer votes to be marked as complete

Democratic Milestone Validation

• Campaign backers can vote on milestone completion
• Voting rights are granted to addresses that have contributed funds
• Multiple votes required to validate each milestone
• Transparent voting process recorded on-chain

Secure Fund Management

• All funds are held in secure smart contracts
• Automatic refund mechanism if funding goals aren't met
• Milestone-specific fund allocation
• Protection against unauthorized withdrawals

Campaign Creation and Management

• Creators can define campaign parameters:
  • Funding goals
  • Campaign duration
  • Project description
  • Individual milestone requirements
• Real-time tracking of campaign progress
• Transparent fund allocation and withdrawal history

Smart Contract Functions

For Project Creators

• create-campaign: Initialize a new funding campaign
• add-milestone: Define project milestones with required funds and deadlines
• withdraw-milestone-funds: Withdraw funds after milestone completion

For Backers

• fund-campaign: Contribute STX to a campaign
• vote-milestone: Participate in milestone validation
• claim-refund: Retrieve funds if campaign fails to meet goals

View Functions

• get-campaign-info: Retrieve campaign details
• get-milestone-info: View milestone information
• get-funder-amount: Check contribution amount for any address

Security Features

• Role-based access control
• Input validation for all functions
• Protected fund withdrawal mechanism
• Deadline enforcement
• Anti-double-voting protection
• Automatic state management

Error Handling

The contract includes comprehensive error handling for:

• Unauthorized access attempts
• Invalid campaign operations
• Insufficient funds
• Duplicate votes
• Invalid milestone states
• Campaign deadline violations

Getting Started

To interact with StackStarter, users need:

1. A Stacks wallet with STX tokens
2. Access to the Stacks blockchain
3. Permission to interact with the deployed contract

Use Cases

• Software development projects
• Product launches
• Creative projects
• Community initiatives
• Research and development
• Non-profit campaigns