BaseTap - Payment System for Base

BaseTap

One-click payment button system for Base network.

Overview

BaseTap enables instant USDC payments through upgradeable smart contracts on Base.

Features

• One-click payment execution
• Cooldown mechanisms
• Daily spending limits
• Single-use payment options
• Fully upgradeable architecture

Setup

forge install
forge build
forge test

Architecture

• TapRegistry: Upgradeable payment registry
• TapExecutor: Batch execution engine

Security

• Reentrancy protection
• UUPS upgradeable pattern

Usage

See deployment scripts for examples

Contributing

PRs welcome!

Deployment Addresses

Testing

forge test

Factory Deployment

Use TapFactory for one-transaction deployment:

TapFactory factory = new TapFactory();

// Deploy registry
address registryProxy = factory.deployRegistry(owner);

// Deploy executor
address executorProxy = factory.deployExecutor(owner, registryProxy);

Automated Deployment

Via GitHub Actions

1. Go to Actions tab in your repository
2. Select Deploy and Save Addresses workflow
3. Click Run workflow
4. Choose network: base-sepolia or base
5. Click Run workflow button

The workflow will:

• Deploy all contracts
• Verify on Basescan
• Save addresses to deployments/{network}.json
• Commit addresses back to repo

Required GitHub Secrets

Add these in Settings → Secrets and variables → Actions:

PRIVATE_KEY=0x...           # Your deployer private key
BASE_RPC_URL=https://...    # Base mainnet RPC
BASE_SEPOLIA_RPC_URL=https://sepolia.base.org
BASESCAN_API_KEY=...        # Get from basescan.org

Manual Deployment

export NETWORK=base-sepolia
forge script script/DeployAndSave.s.sol:DeployAndSave \
    --rpc-url $BASE_SEPOLIA_RPC_URL \
    --broadcast \
    --verify

View Deployed Addresses

cat deployments/base-sepolia.json

Or use the script:

forge script script/ReadDeployment.s.sol:ReadDeployment base-sepolia