AI Infrastructure
for Web3

// npm i ethers
const { ethers } = require('ethers');
const API = 'https://api-sentinel.mfsmai.com';

async function sentinel(token, wallet) {
  const url = `${API}/v1/check/${token}`;
  const pay = (await (await fetch(url)).json()).txhash;     // HTTP 402: how to pay
  const usdt = new ethers.Contract(pay.assets[0].address,
    ['function transfer(address,uint256)'], wallet);
  const tx = await usdt.transfer(pay.payTo, pay.amountWei);   // 0.05 USDT
  await tx.wait();
  return (await fetch(url, { headers: { 'X-PAYMENT-TX': tx.hash } })).json();
}

const report = await sentinel('0xToken...', wallet);
if (report.verdict === 'DANGER') return;                       // skip the trade

# pip install web3 requests
import requests
from web3 import Web3

API = "https://api-sentinel.mfsmai.com"
w3 = Web3(Web3.HTTPProvider("https://bsc-dataseed.bnbchain.org"))
acct = w3.eth.account.from_key(PRIVATE_KEY)

def sentinel(token):
    url = f"{API}/v1/check/{token}"
    pay = requests.get(url).json()["txhash"]            # HTTP 402: how to pay
    usdt = w3.eth.contract(address=pay["assets"][0]["address"],
        abi=[{"name": "transfer", "type": "function", "outputs": [{"type": "bool"}],
              "inputs": [{"type": "address"}, {"type": "uint256"}]}])
    tx = usdt.functions.transfer(pay["payTo"], int(pay["amountWei"])).build_transaction(
        {"from": acct.address, "nonce": w3.eth.get_transaction_count(acct.address)})
    h = w3.eth.send_raw_transaction(acct.sign_transaction(tx).raw_transaction)
    w3.eth.wait_for_transaction_receipt(h)
    return requests.get(url, headers={"X-PAYMENT-TX": h.to_0x_hex()}).json()

{
  "kind": "token",
  "score": 5,
  "verdict": "DANGER",
  "reasons": [
    "Honeypot: you can buy but you cannot sell",
    "Sell tax 99%",
    "Brand new: trading started 14 min ago",
    "Almost no liquidity ($640)"
  ],
  "positives": [],
  "token": { "symbol": "MOON", "buyTax": 0, "sellTax": 99, "liquidityUsd": 640, "pairAge": "14 min" },
  "sources": ["bsc-rpc", "goplus", "honeypot.is", "dexscreener"]
}