Micro Synthetic Artifact Test Pack

{
  "amountBaseUnits": "53000",
  "boundaries": [
    "Public or synthetic inputs only. Caller labels are declarations,…"
  ],
  "inputDigest": "sha256:418f5ca7165e1fedd39c80ddcf0710aaafd171fd1c45eebbc3d1721c5…",
  "offerId": "synthetic-artifact-test-pack",
  "receiptDigest": "sha256:23f044c82c762c5c8f5adc6bb25be1efa77a8a3b29f8f938d347b2806…",
  "result": {
    "dataClass": "synthetic",
    "generatorVersion": "original-sine-lcg-v1",
    "labels": [
      "clean",
      "clean",
      "clean",
      "clean",
      "spike",
      "clean",
      "clean",
      "clean",
      "clean",
      "clean",
      "clean",
      "clean",
      "clean",
      "clean",
      "clean",
      "clean",
      "clean",
      "clean",
      "clean",
      "clean"
    ],
    "participantSignalsIncluded": false,
    "sampleRateHz": 128,
    "seed": 42,
    "signalUnit": "arbitrary-synthetic",
    "thirdPartyResearchData": false,
    "waveform": [
      "-0.024765482522",
      "0.341495936906",
      "0.71483490101",
      "0.89613495911",
      "3.987566019711",
      "0.876445922996",
      "0.701834909775",
      "0.34452943274",
      "0.037381370575",
      "-0.333220004833",
      "-0.67178650882",
      "-0.923911859696",
      "-0.985799905355",
      "-0.887733913767",
      "-0.697459803539",
      "-0.423608416721",
      "-0.0359790202",
      "0.427692260018",
      "0.749562325765",
      "0.962826428139"
    ]
  },
  "version": "maha-microproducts/0.1"
}

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://www.mahastrategies.com/api/v1/micro/synthetic-artifact-test-pack' \
  -H 'content-type: application/json' \
  --data-raw '{"amplitude":"1","artifacts":[{"kind":"spike","length":1,"magnitude":"3","startIndex":4},{"kind":"dropout","length":3,"magnitude":"0","startIndex":20}],"dataClass":"synthetic","frequencyHz":"8","noiseAmplitude":"0.05","sampleCount":32,"sampleRateHz":128,"seed":42}'

# 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/micro/synthetic-artifact-test-pack' \
  -H 'content-type: application/json' \
  --data-raw '{"amplitude":"1","artifacts":[{"kind":"spike","length":1,"magnitude":"3","startIndex":4},{"kind":"dropout","length":3,"magnitude":"0","startIndex":20}],"dataClass":"synthetic","frequencyHz":"8","noiseAmplitude":"0.05","sampleCount":32,"sampleRateHz":128,"seed":42}' \
  | 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 $0.053 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.053" });
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 $0.053 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwww.mahastrategies.com%2Fapi%2Fv1%2Fmicro%2Fsynthetic-artifact-test-pack&method=POST
const res = await pay("https://www.mahastrategies.com/api/v1/micro/synthetic-artifact-test-pack", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "amplitude": "1",
    "artifacts": [
      {
        "kind": "spike",
        "length": 1,
        "magnitude": "3",
        "startIndex": 4
      },
      {
        "kind": "dropout",
        "length": 3,
        "magnitude": "0",
        "startIndex": 20
      }
    ],
    "dataClass": "synthetic",
    "frequencyHz": "8",
    "noiseAmplitude": "0.05",
    "sampleCount": 32,
    "sampleRateHz": 128,
    "seed": 42
  }),
});
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 $0.053 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.053"})
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/micro/synthetic-artifact-test-pack",
        json={
            "amplitude": "1",
            "artifacts": [
                {
                    "kind": "spike",
                    "length": 1,
                    "magnitude": "3",
                    "startIndex": 4,
                },
                {
                    "kind": "dropout",
                    "length": 3,
                    "magnitude": "0",
                    "startIndex": 20,
                },
            ],
            "dataClass": "synthetic",
            "frequencyHz": "8",
            "noiseAmplitude": "0.05",
            "sampleCount": 32,
            "sampleRateHz": 128,
            "seed": 42,
        },
    )
    print(res.status_code, res.text)