c762564d40
- Fix 71 invalid-syntax files (class-body newline-broken assignments) - Add from/None chain to 307 B904 raise-without-from sites - Add B008 ignore to ruff.toml (already in pyproject.toml) - Noqa F401 on __init__.py re-exports (137 sites) - Noqa E402 on deferred imports (63 sites) - Bulk-add stdlib/FastAPI/project imports for F821 (127 sites) - Replace ×→x, –→-, …→... in docstrings (4093 chars) - Manual refactor of 5 SIM103/SIM116 patterns Tests: 791 passed (66 deselected due to pre-existing Redis issues in test_rag.py) Co-authored-by: opencode <opencode@rugmunch.io>
103 lines
3.5 KiB
Python
103 lines
3.5 KiB
Python
"""x402 MCP handler - exposes x402 payment as discoverable MCP tools.
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Mounts at /mcp/x402 for MCP protocol compatibility.
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Also serves /.well-known/x402 for standard x402 discovery.
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"""
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from __future__ import annotations
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import os
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from fastapi import APIRouter, HTTPException, Request
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from app.mcp.x402_mcp_server import TOOLS, handle_mcp_call
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router = APIRouter(tags=["x402-MCP"])
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# ── Standard MCP endpoint ────────────────────────────────────────
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@router.post("/mcp/x402")
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async def mcp_x402_handler(request: Request):
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"""MCP protocol handler for x402 payment tools.
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Accepts MCP-standard requests: {"method": "tools/list"} or
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{"method": "tools/call", "params": {"name": "...", "arguments": {...}}}
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"""
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body = await request.json()
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method = body.get("method", "")
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if method == "tools/list":
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return {
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"result": {
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"tools": TOOLS,
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"server": {
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"name": "x402-payment-gateway",
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"version": "1.0.0",
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"description": "Pay-per-call AI tool access via x402 protocol. 274+ tools across crypto intelligence, security, and analysis.",
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},
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}
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}
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if method == "tools/call":
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params = body.get("params", {})
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tool_name = params.get("name", "")
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arguments = params.get("arguments", {})
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try:
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result = await handle_mcp_call(tool_name, arguments)
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return {"result": result}
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except ValueError as e:
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raise HTTPException(status_code=400, detail=str(e)) from e
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raise HTTPException(status_code=400, detail=f"Unknown method: {method}")
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# ── x402 Discovery endpoint ──────────────────────────────────────
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@router.get("/.well-known/x402")
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async def well_known_x402():
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"""x402 service discovery document (RFC-like).
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Standard endpoint that x402-compatible clients check to discover
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payment capabilities, supported chains, pricing, and facilitator info.
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"""
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from app.routers.x402_enforcement import CHAIN_USDC, TOOL_PRICES, _ensure_tool_prices
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_ensure_tool_prices()
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paid = sum(1 for v in TOOL_PRICES.values() if v.get("price_usd", 0) > 0)
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min_price = min(v["price_usd"] for v in TOOL_PRICES.values() if v.get("price_usd", 0) > 0)
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max_price = max(v["price_usd"] for v in TOOL_PRICES.values() if v.get("price_usd", 0) > 0)
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return {
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"x402_version": "2.0",
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"service": "Rug Munch Intelligence x402 Gateway",
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"operator": "Rug Munch Media LLC",
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"discovery_url": "https://mcp.rugmunch.io/.well-known/x402",
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"mcp_url": "https://mcp.rugmunch.io/mcp/x402",
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"docs_url": "https://docs.rugmunch.io/x402",
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"payment_address": os.getenv("X402_PAYMENT_ADDRESS", ""),
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"supported_chains": {
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chain: {
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"network": cfg.get("network", ""),
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"usdc_address": cfg.get("usdc", ""),
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}
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for chain, cfg in CHAIN_USDC.items()
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},
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"pricing": {
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"total_tools": len(TOOL_PRICES),
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"paid_tools": paid,
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"price_range_usd": {"min": min_price, "max": max_price},
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"free_trials": True,
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},
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"facilitators": [
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"coinbase_cdp",
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"payai",
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"cloudflare_x402",
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"x402_rs",
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"primev",
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"asterpay",
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"eip7702",
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],
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"status": "active",
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}
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