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furiosaRyan R. Fox
furiosa
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Ryan R. Fox
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Add multi-method /protected endpoint to e2e servers
Create new /protected endpoint that accepts multiple payment methods in preference order: 1. Base USDC EIP-3009 2. Base WETH Permit2 3. Solana USDC Updated express and hono servers with the new endpoint configuration and corresponding route handlers. Test configs updated to declare the new multiMethod endpoint.
1 parent 4044964 commit 17f6ba6

5 files changed

Lines changed: 158 additions & 2 deletions

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‎.gitignore‎

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@@ -11,10 +11,20 @@ __pycache__/
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e2e/facilitators/external-proxies/*
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!e2e/facilitators/external-proxies/README.md
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<<<<<<< HEAD
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<<<<<<< HEAD
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typescript/package-lock.json
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# Gas Town infrastructure
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.beads/
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AGENTS.md
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=======
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typescript/package-lock.json.beads/
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>>>>>>> ee4d12e9 (Add .beads to gitignore)
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=======
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typescript/package-lock.json
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# Gas Town (added by gt)
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.runtime/
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.claude/
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.beads/
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.logs/
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>>>>>>> a9e98342 (Add multi-method /protected endpoint to e2e servers)

‎e2e/servers/express/index.ts‎

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@@ -65,6 +65,55 @@ console.log(`Using remote facilitator at: ${facilitatorUrl}`);
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app.use(
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paymentMiddleware(
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{
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// Multi-method endpoint - accepts multiple payment methods in preference order
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"GET /protected": {
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accepts: [
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// 1. Base USDC EIP-3009 (highest preference)
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{
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payTo: EVM_PAYEE_ADDRESS,
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scheme: "exact",
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price: "$0.001",
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network: EVM_NETWORK,
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},
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// 2. Base WETH Permit2
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{
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payTo: EVM_PAYEE_ADDRESS,
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scheme: "exact",
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network: EVM_NETWORK,
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price: {
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amount: "1000",
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asset: "0x036CbD53842c5426634e7929541eC2318f3dCF7e", // Base Sepolia USDC
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extra: {
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assetTransferMethod: "permit2",
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},
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},
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},
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// 3. Solana USDC (lowest preference)
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{
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payTo: SVM_PAYEE_ADDRESS,
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scheme: "exact",
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price: "$0.001",
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network: SVM_NETWORK,
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},
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],
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extensions: {
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...declareDiscoveryExtension({
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output: {
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example: {
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message: "Multi-method endpoint accessed successfully",
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timestamp: "2024-01-01T00:00:00Z",
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},
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schema: {
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properties: {
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message: { type: "string" },
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timestamp: { type: "string" },
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},
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required: ["message", "timestamp"],
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},
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},
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}),
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},
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},
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// Route-specific payment configuration
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"GET /protected-eip3009": {
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accepts: {
@@ -157,7 +206,23 @@ app.use(
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);
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/**
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* Protected endpoint - requires payment to access
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* Multi-method protected endpoint - accepts multiple payment methods
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*
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* This endpoint demonstrates a resource protected by x402 payment middleware
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* that accepts multiple payment methods in preference order:
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* 1. Base USDC EIP-3009
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* 2. Base WETH Permit2
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* 3. Solana USDC
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*/
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app.get("/protected", (req, res) => {
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res.json({
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message: "Multi-method endpoint accessed successfully",
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timestamp: new Date().toISOString(),
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});
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});
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/**
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* Protected EIP-3009 endpoint - requires payment to access
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*
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* This endpoint demonstrates a resource protected by x402 payment middleware.
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* Clients must provide a valid payment signature to access this endpoint.
@@ -238,6 +303,7 @@ app.listen(parseInt(PORT), () => {
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║ SVM Payee: ${SVM_PAYEE_ADDRESS} ║
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║ ║
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║ Endpoints: ║
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║ • GET /protected (multi-method payment) ║
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║ • GET /protected-eip3009 (EIP-3009 payment) ║
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║ • GET /protected-svm (SVM payment) ║
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║ • GET /protected-permit2 (Permit2 payment) ║

‎e2e/servers/express/test.config.json‎

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"bazaar"
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],
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"endpoints": [
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{
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"path": "/protected",
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"method": "GET",
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"description": "Multi-method endpoint accepting EIP-3009, Permit2, or SVM payment",
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"requiresPayment": true,
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"multiMethod": true
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},
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{
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"path": "/protected-eip3009",
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"method": "GET",

‎e2e/servers/hono/index.ts‎

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@@ -69,6 +69,55 @@ app.use(
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"*",
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paymentMiddleware(
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{
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// Multi-method endpoint - accepts multiple payment methods in preference order
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"GET /protected": {
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accepts: [
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// 1. Base USDC EIP-3009 (highest preference)
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{
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payTo: EVM_PAYEE_ADDRESS,
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scheme: "exact",
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price: "$0.001",
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network: EVM_NETWORK,
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},
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// 2. Base WETH Permit2
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{
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payTo: EVM_PAYEE_ADDRESS,
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scheme: "exact",
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network: EVM_NETWORK,
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price: {
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amount: "1000",
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asset: "0x036CbD53842c5426634e7929541eC2318f3dCF7e", // Base Sepolia USDC
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extra: {
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assetTransferMethod: "permit2",
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},
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},
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},
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// 3. Solana USDC (lowest preference)
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{
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payTo: SVM_PAYEE_ADDRESS,
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scheme: "exact",
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price: "$0.001",
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network: SVM_NETWORK,
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},
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],
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extensions: {
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...declareDiscoveryExtension({
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output: {
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example: {
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message: "Multi-method endpoint accessed successfully",
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timestamp: "2024-01-01T00:00:00Z",
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},
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schema: {
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properties: {
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message: { type: "string" },
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timestamp: { type: "string" },
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},
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required: ["message", "timestamp"],
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},
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},
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}),
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},
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},
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// Route-specific payment configuration
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"GET /protected-eip3009": {
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accepts: {
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);
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/**
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* Protected endpoint - requires payment to access
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* Multi-method protected endpoint - accepts multiple payment methods
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*
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* This endpoint demonstrates a resource protected by x402 payment middleware
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* that accepts multiple payment methods in preference order:
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* 1. Base USDC EIP-3009
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* 2. Base WETH Permit2
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* 3. Solana USDC
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*/
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app.get("/protected", (c) => {
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return c.json({
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message: "Multi-method endpoint accessed successfully",
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timestamp: new Date().toISOString(),
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});
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});
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/**
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* Protected EIP-3009 endpoint - requires payment to access
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*
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* This endpoint demonstrates a resource protected by x402 payment middleware.
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* Clients must provide a valid payment signature to access this endpoint.
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║ SVM Payee: ${SVM_PAYEE_ADDRESS} ║
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║ ║
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║ Endpoints: ║
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║ • GET /protected (multi-method payment) ║
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║ • GET /protected-eip3009 (requires $0.001 USDC) ║
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║ • GET /protected-svm (requires $0.001 USDC payment) ║
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║ • GET /health (no payment required) ║

‎e2e/servers/hono/test.config.json‎

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@@ -7,6 +7,13 @@
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"bazaar"
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],
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"endpoints": [
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{
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"path": "/protected",
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"method": "GET",
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"description": "Multi-method endpoint accepting EIP-3009, Permit2, or SVM payment",
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"requiresPayment": true,
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"multiMethod": true
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},
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{
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"path": "/protected-eip3009",
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"method": "GET",

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