Devagentpal Spend Laundering Detector

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.blockchainmoneymap.com/api/devagentpal/spend-laundering-detector' \
  -H 'content-type: application/json' \
  --data-raw '{"delegations":[],"policy":{"burstEventThreshold":10,"burstWindowSeconds":60,"fragmentCountThreshold":5,"maxWalletHops":2,"merchantConcentrationPercent":80,"nearThresholdPercent":10,"rollingWindowLimit":"0.20","rollingWindowSeconds":3600,"singlePurchaseLimit":"0.05"},"principal":{"agentId":"agent-a","wallets":["0x3cb6ad0990015522e60e21780f2802e2E927c08A"]},"spendEvents":[]}'

# 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://api.blockchainmoneymap.com/api/devagentpal/spend-laundering-detector' \
  -H 'content-type: application/json' \
  --data-raw '{"delegations":[],"policy":{"burstEventThreshold":10,"burstWindowSeconds":60,"fragmentCountThreshold":5,"maxWalletHops":2,"merchantConcentrationPercent":80,"nearThresholdPercent":10,"rollingWindowLimit":"0.20","rollingWindowSeconds":3600,"singlePurchaseLimit":"0.05"},"principal":{"agentId":"agent-a","wallets":["0x3cb6ad0990015522e60e21780f2802e2E927c08A"]},"spendEvents":[]}' \
  | 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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.blockchainmoneymap.com%2Fapi%2Fdevagentpal%2Fspend-laundering-detector&method=POST
const res = await pay("https://api.blockchainmoneymap.com/api/devagentpal/spend-laundering-detector", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "delegations": [],
    "policy": {
      "burstEventThreshold": 10,
      "burstWindowSeconds": 60,
      "fragmentCountThreshold": 5,
      "maxWalletHops": 2,
      "merchantConcentrationPercent": 80,
      "nearThresholdPercent": 10,
      "rollingWindowLimit": "0.20",
      "rollingWindowSeconds": 3600,
      "singlePurchaseLimit": "0.05"
    },
    "principal": {
      "agentId": "agent-a",
      "wallets": [
        "0x3cb6ad0990015522e60e21780f2802e2E927c08A"
      ]
    },
    "spendEvents": []
  }),
});
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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.blockchainmoneymap.com/api/devagentpal/spend-laundering-detector",
        json={
            "delegations": [],
            "policy": {
                "burstEventThreshold": 10,
                "burstWindowSeconds": 60,
                "fragmentCountThreshold": 5,
                "maxWalletHops": 2,
                "merchantConcentrationPercent": 80,
                "nearThresholdPercent": 10,
                "rollingWindowLimit": "0.20",
                "rollingWindowSeconds": 3600,
                "singlePurchaseLimit": "0.05",
            },
            "principal": {
                "agentId": "agent-a",
                "wallets": [
                    "0x3cb6ad0990015522e60e21780f2802e2E927c08A",
                ],
            },
            "spendEvents": [],
        },
    )
    print(res.status_code, res.text)