Calc Euromacs Rhf

{
  "count": 2,
  "items": [
    {
      "band": "low",
      "citation": {
        "authors": "Soliman OII, Akin S, Muslem R, Boersma E, Manintveld OC, Krabatsch T, Gummert JF, de By TMMH, Bogers AJJC, Zijlstra F, Mohacsi P, Caliskan K, EUROMACS Investigators",
        "doi": "10.1161/CIRCULATIONAHA.117.030543",
        "id": "soliman-2018",
        "pmid": "28972007",
        "source": "Circulation. 2018;137(9):891-906",
        "title": "Derivation and Validation of a Novel Right-Sided Heart Failure Model After Implantation of Continuous Flow Left Ventricular Assist Devices: The EUROMACS (European Registry for Patients with Mechanical Circulatory Support) Right-Sided Heart Failure Risk Score"
      },
      "components": [
        {
          "factor": "rap_pcwp_gt_054",
          "points": 0,
          "present": false
        },
        {
          "factor": "hemoglobin_le_10",
          "points": 0,
          "present": false
        },
        {
          "factor": "multiple_iv_inotropes",
          "points": 0,
          "present": false
        },
        {
          "factor": "intermacs_1_to_3",
          "points": 0,
          "present": false
        },
        {
          "factor": "severe_rv_dysfunction",
          "points": 0,
          "present": false
        }
      ],
      "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
      "formula": "euromacs_rhf",
      "formula_expression": "EUROMACS-RHF = 2*(rap_pcwp_gt_054) + 1*(hemoglobin_le_10) + 2.5*(multiple_iv_inotropes) + 2*(intermacs_1_to_3) + 2*(severe_rv_dysfunction); Soliman 2018; max 9.5; half-points not integer-rounded; bands low 0-2 inclusive, intermediate >2 to 4 inclusive, high >4; INTERMACS 1-3 (not 1-2 only)",
      "hemoglobin_le_10": false,
      "intermacs_1_to_3": false,
      "max_score": 9.5,
      "multiple_iv_inotropes": false,
      "rap_pcwp_gt_054": false,
      "score": 0,
      "severe_rv_dysfunction": false
    },
    {
      "band": "low",
      "citation": {
        "authors": "Soliman OII, Akin S, Muslem R, Boersma E, Manintveld OC, Krabatsch T, Gummert JF, de By TMMH, Bogers AJJC, Zijlstra F, Mohacsi P, Caliskan K, EUROMACS Investigators",
        "doi": "10.1161/CIRCULATIONAHA.117.030543",
        "id": "soliman-2018",
        "pmid": "28972007",
        "source": "Circulation. 2018;137(9):891-906",
        "title": "Derivation and Validation of a Novel Right-Sided Heart Failure Model After Implantation of Continuous Flow Left Ventricular Assist Devices: The EUROMACS (European Registry for Patients with Mechanical Circulatory Support) Right-Sided Heart Failure Risk Score"
      },
      "components": [
        {
          "factor": "rap_pcwp_gt_054",
          "points": 0,
          "present": false
        },
        {
          "factor": "hemoglobin_le_10",
          "points": 0,
          "present": false
        },
        {
          "factor": "multiple_iv_inotropes",
          "points": 0,
          "present": false
        },
        {
          "factor": "intermacs_1_to_3",
          "points": 0,
          "present": false
        },
        {
          "factor": "severe_rv_dysfunction",
          "points": 0,
          "present": false
        }
      ],
      "disclaimer": "Not a medical device. Deterministic published-formula or published-code output for autonomous agents. A licensed clinician remains responsible for patient care and billing submissions.",
      "formula": "euromacs_rhf",
      "formula_expression": "EUROMACS-RHF = 2*(rap_pcwp_gt_054) + 1*(hemoglobin_le_10) + 2.5*(multiple_iv_inotropes) + 2*(intermacs_1_to_3) + 2*(severe_rv_dysfunction); Soliman 2018; max 9.5; half-points not integer-rounded; bands low 0-2 inclusive, intermediate >2 to 4 inclusive, high >4; INTERMACS 1-3 (not 1-2 only)",
      "hemoglobin_le_10": false,
      "intermacs_1_to_3": false,
      "max_score": 9.5,
      "multiple_iv_inotropes": false,
      "rap_pcwp_gt_054": false,
      "score": 0,
      "severe_rv_dysfunction": false
    }
  ],
  "path": "/api/calc/euromacs_rhf"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.magentlab.com/api/calc/euromacs_rhf' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"hemoglobin_le_10":false,"intermacs_1_to_3":false,"multiple_iv_inotropes":false,"rap_pcwp_gt_054":false,"severe_rv_dysfunction":false},{"hemoglobin_le_10":false,"intermacs_1_to_3":false,"multiple_iv_inotropes":false,"rap_pcwp_gt_054":false,"severe_rv_dysfunction":false}]}'

# 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.magentlab.com/api/calc/euromacs_rhf' \
  -H 'content-type: application/json' \
  --data-raw '{"items":[{"hemoglobin_le_10":false,"intermacs_1_to_3":false,"multiple_iv_inotropes":false,"rap_pcwp_gt_054":false,"severe_rv_dysfunction":false},{"hemoglobin_le_10":false,"intermacs_1_to_3":false,"multiple_iv_inotropes":false,"rap_pcwp_gt_054":false,"severe_rv_dysfunction":false}]}' \
  | 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 $0.007 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.007" });
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 $0.007 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.magentlab.com%2Fapi%2Fcalc%2Feuromacs_rhf&method=POST
const res = await pay("https://api.magentlab.com/api/calc/euromacs_rhf", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "items": [
      {
        "hemoglobin_le_10": false,
        "intermacs_1_to_3": false,
        "multiple_iv_inotropes": false,
        "rap_pcwp_gt_054": false,
        "severe_rv_dysfunction": false
      },
      {
        "hemoglobin_le_10": false,
        "intermacs_1_to_3": false,
        "multiple_iv_inotropes": false,
        "rap_pcwp_gt_054": false,
        "severe_rv_dysfunction": false
      }
    ]
  }),
});
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 $0.007 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.007"})
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.magentlab.com/api/calc/euromacs_rhf",
        json={
            "items": [
                {
                    "hemoglobin_le_10": False,
                    "intermacs_1_to_3": False,
                    "multiple_iv_inotropes": False,
                    "rap_pcwp_gt_054": False,
                    "severe_rv_dysfunction": False,
                },
                {
                    "hemoglobin_le_10": False,
                    "intermacs_1_to_3": False,
                    "multiple_iv_inotropes": False,
                    "rap_pcwp_gt_054": False,
                    "severe_rv_dysfunction": False,
                },
            ],
        },
    )
    print(res.status_code, res.text)