@x402r/core

Core types, ABIs, and utilities for the x402r refundable payments protocol.

Install

npm install @x402r/core

Usage

import { getContractAddresses, PaymentState } from "@x402r/core";

// Get contract addresses for Base Sepolia
const addresses = getContractAddresses(84532);

// Use payment state enum
if (state === PaymentState.Authorized) {
  // payment is authorized and held in escrow
}

Exports

• Types — PaymentInfo, PaymentState, RefundRequestData, and more
• ABIs — Contract ABIs for AuthCaptureEscrow, PaymentOperator, USDC
• Config — Contract addresses and chain configuration
• Errors — Typed error classes for SDK operations
• Factory — Utilities for deploying and configuring operators
• Conditions — Condition builder for escrow terms
• Fees — Fee calculation utilities

Links

• Documentation
• GitHub

License

Apache-2.0