rust-x402 0.3.0

HTTP-native micropayments with x402 protocol
Documentation
# Docker Integration Test Environment Variables

# Anvil Configuration
ANVIL_FORK_URL=https://sepolia.base.org
ANVIL_FORK_BLOCK=latest

# Backend Configuration
FACILITATOR_URL=http://facilitator:4020
RPC_URL=http://anvil:8545
NETWORK=base-sepolia
PORT=4021

# Facilitator Configuration
BIND_ADDRESS=0.0.0.0:4020
STORAGE_BACKEND=redis
REDIS_URL=redis://redis:6379
REDIS_KEY_PREFIX=x402:nonce:

# Frontend Configuration
BACKEND_URL=http://backend:4021
FACILITATOR_URL=http://facilitator:4020
RPC_URL=http://anvil:8545

# Test Account (Anvil default)
TEST_PRIVATE_KEY=0xac0974bec39a17e36ba4a6b4d238ff944bacb478cbed5efcae784d7bf4f2ff80
TEST_PAYER_ADDRESS=0xf39Fd6e51aad88F6F4ce6aB8827279cffFb92266