Skills Token Risk

{
  "block": 52494540,
  "chain": "base",
  "chain_id": 8453,
  "checks": {
    "buy_simulation": {
      "evidence": {
        "amount": "76072526114",
        "balance_slot": "solidity:9",
        "method": "eth_simulateV1 transfer leg",
        "pool": "0x6c561b446416e1a00e8e93e221854d6ea4171372",
        "received": "76072526114"
      },
      "result": "pass"
    },
    "contract_code": {
      "evidence": {
        "block": 52494540,
        "bytecode_bytes": 1852
      },
      "result": "pass"
    },
    "erc20_metadata": {
      "evidence": {
        "decimals": 6,
        "missing": [],
        "name": "USD Coin",
        "symbol": "USDC",
        "total_supply": "4419304031200909"
      },
      "result": "pass"
    },
    "liquidity_pool": {
      "evidence": {
        "dex": "uniswap_v3",
        "pool": "0x6c561b446416e1a00e8e93e221854d6ea4171372",
        "pools_found": 7,
        "quote_balance": "29060996929756341666149",
        "quote_token": "WETH",
        "thin_liquidity": false,
        "token_balance": "76072526114911",
        "variant": "fee 3000"
      },
      "result": "pass"
    },
    "ownership": {
      "evidence": {
        "function": "owner()",
        "owner": "0x3abd6f64a422225e61e435bae41db12096106df7",
        "renounced": false
      },
      "result": "warn"
    },
    "privileged_functions": {
      "evidence": {
        "found": {
          "blacklist": [
            "blacklist(address)",
            "isBlacklisted(address)"
          ],
          "mint": [
            "configureMinter(address,uint256)",
            "mint(address,uint256)"
          ],
          "pause": [
            "pause()",
            "unpause()"
          ]
        },
        "note": "selector presence only; who may call them is not checked",
        "scanned": [
          "token",
          "implementation"
        ]
      },
      "result": "warn"
    },
    "proxy": {
      "evidence": {
        "admin": "0x4fc7850364958d97b4d3f5a08f79db2493f8ca44",
        "implementation": "0x2ce6311ddae708829bc0784c967b7d77d19fd779",
        "note": "upgradeable: whoever controls the proxy can replace the token's code",
        "standard": "zeppelinos (legacy unstructured storage)"
      },
      "result": "warn"
    },
    "sell_simulation": {
      "evidence": {
        "amount": "76072526114",
        "balance_slot": "solidity:9",
        "method": "eth_simulateV1 transfer leg",
        "pool": "0x6c561b446416e1a00e8e93e221854d6ea4171372",
        "received": "76072526114"
      },
      "result": "pass"
    },
    "transfer_tax": {
      "evidence": {
        "buy_tax_pct": 0,
        "note": "token-side transfer tax only; AMM/pool fees are not included",
        "sell_tax_pct": 0
      },
      "result": "pass"
    }
  },
  "disclaimer": "Informational only, not financial advice. These are automated heuristics from public on-chain reads and simulations at a single block. They can miss risks (owner actions after this block, time-, amount- or wallet-specific traps, off-chain controls, other pools) and can flag legitimate tokens (for example regulated stablecoins with blacklist and pause functions). Do your own research.",
  "ok": true,
  "reasons": [
    "proxy: warn",
    "ownership: warn",
    "privileged_functions: warn"
  ],
  "risk_level": "medium",
  "rpc": "mainnet.base.org",
  "skill": "token_risk",
  "symbol": "USDC",
  "token": "0x833589fcd6edb6e08f4c7c32d4f71b54bda02913"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://grokzilla.shop/api/skills/token-risk' \
  -H 'content-type: application/json' \
  --data-raw '{"chain":"base","token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"}'

# 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 - -X POST 'https://grokzilla.shop/api/skills/token-risk' \
  -H 'content-type: application/json' \
  --data-raw '{"chain":"base","token":"0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"}' \
  | 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%2Fgrokzilla.shop%2Fapi%2Fskills%2Ftoken-risk&method=POST
const res = await pay("https://grokzilla.shop/api/skills/token-risk", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "chain": "base",
    "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913"
  }),
});
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.post(
        "https://grokzilla.shop/api/skills/token-risk",
        json={
            "chain": "base",
            "token": "0x833589fCD6eDb6E08f4c7C32D4f71b54bdA02913",
        },
    )
    print(res.status_code, res.text)