[Feature]: X402 Payments - Production Mainnet

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name: X402 Payments - Production Mainnet about: Move X402 from Base Sepolia testnet to production mainnet with multi-network support title: '[FEATURE] X402 Production Mainnet Support' labels: enhancement, x402, payments assignees: ''

Overview

Enable production-ready X402 payments infrastructure for autonomous agent transactions.

Steps

1. Multi-Network Integration

• Add Lightning Network support for Bitcoin micropayments
• Add Optimism L2 support
• Add Arbitrum L2 support
• Add Polygon support
• Implement network selection logic based on transaction size/speed requirements

2. Dynamic Pricing Engine

• Implement demand-based pricing algorithm
• Add quality-tier pricing (basic/premium/enterprise)
• Build reputation-based pricing adjustments
• Create pricing API for service providers

3. Economic Security Layer

• Implement cost-per-request enforcement
• Add DDoS protection via economic barriers
• Build rate limiting based on payment history
• Create abuse detection and prevention

4. Agent Reputation System

• Design payment history tracking
• Implement credit scoring algorithm
• Build tiered access control (basic/trusted/premium agents)
• Create reputation API endpoints

5. Mainnet Migration

• Audit smart contracts for production
• Set up mainnet wallet infrastructure
• Create migration guide from testnet
• Implement rollback procedures

6. Testing & Documentation

• End-to-end mainnet transaction tests
• Load testing for high-throughput scenarios
• Update API documentation
• Create merchant integration guide

Success Criteria

• Agents can autonomously transact on mainnet across multiple networks
• Sub-cent precision payments working reliably
• Economic security preventing spam/abuse
• Reputation system influencing pricing and access