DripFeed - Time-Locked USDC Allowance Contract on Arc Testnet

A live time-locked USDC allowance contract deployed on Arc Testnet for testing interval-based payments and helping improve the Arc Network experience.

About This Project

DripFeed lets a user deposit USDC and set a recipient who can withdraw a fixed amount at regular intervals. It tests:

• Time-based smart contract logic
• USDC ERC20 transfers
• Allowance management and cancellation
• Multi-user interaction on Arc

Live Contract

• Network: Arc Testnet
• Contract Address: 0xdB41326B36d684E589F030fcB088e065d8bBd5BE
• USDC Token: 0x3600000000000000000000000000000000000000
• Deployed By: 0x5EfCAdfF54213eAfDAbb95c6e970Da425D3F7EEF

How to Interact

Prerequisites

• Arc Testnet wallet with test USDC

Create an Allowance

1. Approve DripFeed to spend your USDC
2. Call createAllowance(recipient, amountPerInterval, interval)

Withdraw as Recipient

• Call drip(sender) to withdraw available USDC

Cancel

• Call cancelAllowance(recipient) to cancel and refund remaining USDC

Contract Functions

• createAllowance(address recipient, uint256 amountPerInterval, uint256 interval) - Create allowance
• drip(address sender) - Withdraw available USDC
• cancelAllowance(address recipient) - Cancel and refund
• availableToWithdraw(address sender, address recipient) - Check available
• getContractBalance() - Contract's USDC balance
• allowances(address sender, address recipient) - Allowance details

Features

• Time-locked USDC allowances
• Secure ERC20 transfers
• Cancellation with refund of remaining balance
• Prevent duplicate allowances
• Prevent self-allowance

Why Test on Arc?

By using DripFeed on Arc Testnet, you're helping test time-based payment logic, identify issues, and contribute to Arc Network development.

License

MIT