BackerBoost

CONTRACT DEPLOYMENT LINK

https://testnet.aleoscan.io/program?id=crowdfund_beta.aleo

PREVIEW

BEFORE

AFTER

CONTRACT OVERVIEW

This contract implements a basic crowdfunding system where:

• Creators can launch campaigns with a funding goal

• Backers can contribute to active campaigns

• Creators can claim funds if the goal is reached

• Backers can get refunds if the goal isn't met

• Creators can cancel unsuccessful campaigns

CONTRACT FUNCTIONS (USAGE)

1. start Function

• Launches a new crowdfunding campaign.

async transition start(goal: u64) -> Future

Parameters:

• goal: The funding target amount in credits

Behavior:

• Creates a new campaign with the specified goal

• Initializes raised amount to 0

• Sets campaign status to active

• Returns a campaign ID

2. fund Function

• Allows backers to contribute to a campaign.

async transition fund(project_id: u32, amount: u64) -> Future

Parameters:

• project_id: The ID of the campaign to fund

• amount: The amount to contribute

Behavior:

• Transfers credits from backer to contract

• Updates campaign's raised amount

• Tracks individual contributions in vault

3. claim Function

• Allows campaign creator to withdraw funds after goal is reached.

async transition claim(claimer: address, amount: u64, project_id: u32) -> Future

Parameters:

• project_id: The ID of the successful campaign

• amount: The amount to withdraw (must match raised amount)

Behavior:

• Verifies campaign reached its goal

• Transfers funds to creator

• Marks campaign as completed

4. ragequit Function

• Allows backers to get refunds for unsuccessful campaigns.

async transition ragequit(project_id: u32, amount: u64) -> Future

Parameters:

• project_id: The ID of the failed campaign

• amount: The amount to refund (must match original contribution)

Behavior:

• Verifies campaign failed to reach goal

• Returns contributor's original amount

• Updates vault balance

5. kill Function

• Allows creator to cancel an unsuccessful campaign.

async transition kill(project_id: u32) -> Future

Parameters:

• project_id: The ID of the campaign to cancel

Behavior:

• Marks campaign as inactive

• Must be called before backers can get refunds