Tokenguard Check

{
  "address": "...",
  "age_hours": 3.4,
  "authorities": {
    "freeze": "...",
    "metadata_update": null,
    "mint": "...",
    "permanent_delegate": null
  },
  "chain": "solana",
  "flags": [
    "freeze_authority",
    "mint_authority"
  ],
  "holders": {
    "program_held_pct": 41.5,
    "top10_wallets_pct": 38.2,
    "top_wallet_pct": 9.1
  },
  "risk_score": 70,
  "token": {
    "decimals": 6,
    "name": "Example",
    "program": "spl-token",
    "supply": 1000000000,
    "symbol": "EX"
  },
  "verdict": "DANGER"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i 'https://gdzlcxskuhupymyxywzm.supabase.co/functions/v1/tokenguard/v1/check?address=DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263'

# x402 v2 sends the challenge base64-encoded in the PAYMENT-REQUIRED header (v1 sends it in the body).
# To read the header:
curl -sS -g -o /dev/null -D - 'https://gdzlcxskuhupymyxywzm.supabase.co/functions/v1/tokenguard/v1/check?address=DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263' \
  | grep -i '^payment-required:' | cut -d' ' -f2 | tr -d '\r' | base64 --decode

// npm i @x402/fetch @x402/evm viem
import { wrapFetchWithPayment, x402Client } from "@x402/fetch";
import { registerExactEvmScheme } from "@x402/evm/exact/client";
import { privateKeyToAccount } from "viem/accounts";

// Pays at most $0.005 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.005" });
registerExactEvmScheme(client, { signer: privateKeyToAccount(process.env.EVM_PRIVATE_KEY) });
const pay = wrapFetchWithPayment(fetch, client);

// Not sure it's safe to pay? ToolVet checks it first for $0.005. Pay for that from a separate
// client: this one is capped at $0.005 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fgdzlcxskuhupymyxywzm.supabase.co%2Ffunctions%2Fv1%2Ftokenguard%2Fv1%2Fcheck
const res = await pay("https://gdzlcxskuhupymyxywzm.supabase.co/functions/v1/tokenguard/v1/check?address=DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263");
console.log(res.status, await res.text());

# pip install "x402[requests,evm]"
import os
from eth_account import Account
from x402 import x402ClientSync
from x402.http.clients import x402_requests
from x402.mechanisms.evm import EthAccountSigner
from x402.mechanisms.evm.exact.register import register_exact_evm_client

# Pays at most $0.005 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.005"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.get("https://gdzlcxskuhupymyxywzm.supabase.co/functions/v1/tokenguard/v1/check?address=DezXAZ8z7PnrnRJjz3wXBoRgixCa6xjnB7YaB1pPB263")
    print(res.status_code, res.text)