mirror of
https://github.com/Permissionless-Software-Foundation/psf-bch-api-base.git
synced 2026-09-21 16:52:00 -07:00
Ben Troutner
0b20e1b111
- Add Dexter as secondary facilitator option (no API keys required) - Create FACILITATORS config with CDP and Dexter settings - Update server middleware to support multiple facilitators - Add PRIMARY_FACILITATOR environment variable - Create example client for Dexter payments - Document Dexter features: 600K+ free tx/month, gas sponsored Dexter has ~50% market share and requires no authentication, making it an ideal backup/secondary facilitator option.
75 lines
2.3 KiB
JavaScript
75 lines
2.3 KiB
JavaScript
import axios from 'axios'
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import { withPaymentInterceptor } from 'x402-axios'
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import { privateKeyToAccount } from 'viem/accounts'
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import { base } from 'viem/chains'
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// import { baseSepolia } from 'viem/chains' // Testnet
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import { createWalletClient, http } from 'viem'
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// const baseURL = 'http://localhost:5942' // Local
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const baseURL = 'https://x402.fullstack.cash' // Production
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const endpointPath = '/v6/full-node/blockchain/getBlockchainInfo'
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const pKey = process.env.PRIVATE_KEY || ''
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// PRIVATE_KEY=0x... node examples/02-x402-dexter-client.js
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if (!pKey) throw new Error('PRIVATE_KEY env required!')
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console.log('Using Dexter facilitator - no API keys required!')
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// Create a wallet client
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const account = privateKeyToAccount(pKey)
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const client = createWalletClient({
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account,
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transport: http(),
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chain: base
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})
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// Configure axios to use Dexter facilitator
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// Dexter uses the same x402 protocol but with no API key requirement
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const api = withPaymentInterceptor(
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axios.create({
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baseURL,
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headers: {
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'Content-Type': 'application/json',
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'X-Facilitator': 'dexter' // Optional hint for server
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}
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}),
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client,
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{
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// Dexter facilitator URL (for client-side settlement)
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facilitatorUrl: 'https://dexter.cash/facilitator'
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}
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)
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const request = async () => {
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console.log('\n\nStep 1: Making first call, expecting a 402 error returned.')
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try {
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const response = await axios.get(baseURL + endpointPath)
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console.log(response.data)
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console.log('Step 1 failed. Expected a 402 error.')
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} catch (err) {
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console.log(`Status code: ${err?.response?.status}`)
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console.log(`Error data: ${JSON.stringify(err.response.data, null, 2)}`)
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console.log('\n\n')
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}
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console.log('\n\nStep 2: Making second call with Dexter payment.')
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console.log('Dexter facilitator: https://dexter.cash/facilitator')
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console.log('Features: No API keys, gas sponsored, 600K+ free tx/month')
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try {
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// Call the same endpoint path with a payment via Dexter
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const paidRes = await api.get(endpointPath)
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console.log('Data returned after Dexter payment: ', paidRes.data)
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} catch (err) {
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console.log('Step 2 failed. Expected a 200 success status code.')
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console.log(`Status code: ${err?.response?.status}`)
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console.log(`Error data: ${JSON.stringify(err.response.data, null, 2)}`)
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process.exit(1)
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}
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}
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request()
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