Religion Verse Resolution

{
  "data": {
    "chargedAmount": "10008",
    "inputHash": "sha256:057be0879112dda0d485b70ab992b921de20986c788682e33ad8077f2…",
    "limitations": [
      "Public or synthetic inputs only. Caller labels are declarations,…"
    ],
    "productId": "edition-verse-resolution",
    "result": {
      "editionId": "project-madurai-divya-prabandham-part-4",
      "matches": [
        {
          "canonicalUrl": "https://www.mahastrategies.com/knowledge/religion/tiruvaymoli/kn…",
          "locator": "Project Madurai/Hart printed pāsuram 2791; complete unit 2791–28…",
          "range": "2791–2801",
          "slug": "knowledge-and-unknowability-2791-2801"
        }
      ],
      "registryDigest": "sha256:98f42d289673bcd6e8c4499377fc1599d8e3f62a416cf4ced02ecbb4f…",
      "state": "resolved",
      "verseContentReturned": false
    },
    "resultHash": "sha256:2587e70d2437566e815d42397929740808c5ca7ebbd20a5ae4ff49f80…",
    "sourceContractAmount": "36000",
    "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/library/religion/verse-resolution' \
  -H 'content-type: application/json' \
  --data-raw '{"dataClass":"public","editionId":"project-madurai-divya-prabandham-part-4","expectedRegistryDigest":"sha256:98f42d289673bcd6e8c4499377fc1599d8e3f62a416cf4ced02ecbb4f3f98274","pasuram":2791}'

# 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/library/religion/verse-resolution' \
  -H 'content-type: application/json' \
  --data-raw '{"dataClass":"public","editionId":"project-madurai-divya-prabandham-part-4","expectedRegistryDigest":"sha256:98f42d289673bcd6e8c4499377fc1599d8e3f62a416cf4ced02ecbb4f3f98274","pasuram":2791}' \
  | 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 $0.010008 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.010008" });
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 $0.010008 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwww.mahastrategies.com%2Fapi%2Fv1%2Flibrary%2Freligion%2Fverse-resolution&method=POST
const res = await pay("https://www.mahastrategies.com/api/v1/library/religion/verse-resolution", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "dataClass": "public",
    "editionId": "project-madurai-divya-prabandham-part-4",
    "expectedRegistryDigest": "sha256:98f42d289673bcd6e8c4499377fc1599d8e3f62a416cf4ced02ecbb4f3f98274",
    "pasuram": 2791
  }),
});
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 $0.010008 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.010008"})
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/library/religion/verse-resolution",
        json={
            "dataClass": "public",
            "editionId": "project-madurai-divya-prabandham-part-4",
            "expectedRegistryDigest": "sha256:98f42d289673bcd6e8c4499377fc1599d8e3f62a416cf4ced02ecbb4f3f98274",
            "pasuram": 2791,
        },
    )
    print(res.status_code, res.text)