Biology Accession Version Check

{
  "data": {
    "chargedAmount": "24003",
    "inputHash": "sha256:8d520fcf959333a0365382c124ef3e47c285708fe6ecc8c4d49d4c299…",
    "limitations": [
      "Public or synthetic inputs only. Caller labels are declarations,…"
    ],
    "productId": "biology-accession-version-check",
    "result": {
      "findings": {
        "authoritativeDatabaseQueried": false,
        "found": true,
        "matches": [
          {
            "accession": "SYNTHETIC1",
            "isoform": "canonical",
            "sequenceSha256": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa…",
            "version": "v1"
          }
        ],
        "snapshotVersion": "synthetic-snapshot-v1",
        "uniqueMatch": true
      },
      "limitations": [
        "Public or synthetic research inputs only; no patient, personal g…"
      ],
      "methodVersion": "maha-science50/1.0.0",
      "numericPrecision": "IEEE754-double; finite outputs rounded to 12 significant digits"
    },
    "resultHash": "sha256:1d1d515c3c9a76bee62759eedb4549fdeec5ed0b86d187050819c242d…",
    "sourceContractAmount": "24001",
    "version": "maha-legacy-adapter/1"
  },
  "proof": {
    "settlement_id": "0x00000000000000000000000000000000000000000000000000000000000000…"
  },
  "success": true
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://www.mahastrategies.com/api/v1/compute/biology/accession-version-check' \
  -H 'content-type: application/json' \
  --data-raw '{"dataClass":"synthetic","records":[{"accession":"SYNTHETIC1","isoform":"canonical","sequenceSha256":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","version":"v1"}],"requestedAccession":"SYNTHETIC1","requestedVersion":"v1","snapshotVersion":"synthetic-snapshot-v1"}'

# 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://www.mahastrategies.com/api/v1/compute/biology/accession-version-check' \
  -H 'content-type: application/json' \
  --data-raw '{"dataClass":"synthetic","records":[{"accession":"SYNTHETIC1","isoform":"canonical","sequenceSha256":"sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa","version":"v1"}],"requestedAccession":"SYNTHETIC1","requestedVersion":"v1","snapshotVersion":"synthetic-snapshot-v1"}' \
  | 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 $0.024003 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.024003" });
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 $0.024003 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwww.mahastrategies.com%2Fapi%2Fv1%2Fcompute%2Fbiology%2Faccession-version-check&method=POST
const res = await pay("https://www.mahastrategies.com/api/v1/compute/biology/accession-version-check", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "dataClass": "synthetic",
    "records": [
      {
        "accession": "SYNTHETIC1",
        "isoform": "canonical",
        "sequenceSha256": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
        "version": "v1"
      }
    ],
    "requestedAccession": "SYNTHETIC1",
    "requestedVersion": "v1",
    "snapshotVersion": "synthetic-snapshot-v1"
  }),
});
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 $0.024003 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.024003"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://www.mahastrategies.com/api/v1/compute/biology/accession-version-check",
        json={
            "dataClass": "synthetic",
            "records": [
                {
                    "accession": "SYNTHETIC1",
                    "isoform": "canonical",
                    "sequenceSha256": "sha256:aaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaaa",
                    "version": "v1",
                },
            ],
            "requestedAccession": "SYNTHETIC1",
            "requestedVersion": "v1",
            "snapshotVersion": "synthetic-snapshot-v1",
        },
    )
    print(res.status_code, res.text)