Editions Release Diff

{
  "data": {
    "chargedAmount": "10037",
    "inputHash": "sha256:68b6202748b3aaed1468fa02a53018a3d92b39bb63b7f7d6b60ed8acb…",
    "limitations": [
      "Public or synthetic inputs only. Caller labels are declarations,…"
    ],
    "productId": "manuscript-release-diff",
    "result": {
      "afterReleaseSha256": "sha256:ee76902a60710c688f65dbbf7aaee549b5bf136aaf515462b4a0321e8…",
      "beforeReleaseSha256": "sha256:1715c542d9bb7c73d60375a1984dec754de1566d91de7a21b9ff292e4…",
      "changes": [
        {
          "addedLines": [
            "New line"
          ],
          "afterSectionSha256": "sha256:3355cfadf05eca77a3c8733bff71f5e8d9fe00beed52b1e220c244224…",
          "afterTextSha256": "sha256:718ac9d147a3c2a3eacf8a79e8385a8d58cbc244c7e2792b3ce888b9e…",
          "beforeSectionSha256": "sha256:000d17e9d239a22002b3efa2f77f16d5e5b4b7f8e74b924cd91f7f161…",
          "beforeTextSha256": "sha256:2b9eacdd1b5e1a56cdfd08c0856ec2ce6a2263aef6ce2be6ca0000fcf…",
          "changedFields": [
            "text"
          ],
          "id": "intro",
          "removedLines": [
            "Old line"
          ],
          "status": "modified"
        }
      ],
      "dataClass": "synthetic",
      "limitations": [
        "Full-release hashes cover edition ID, section order and exact se…"
      ],
      "releasesIdentical": false,
      "serviceId": "manuscript-release-diff"
    },
    "resultHash": "sha256:f3aa4a7eac6deabfa814ec78706b24f4020b841080fc9556e97560cbd…",
    "sourceContractAmount": "83000",
    "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/editions/release-diff' \
  -H 'content-type: application/json' \
  --data-raw '{"after":{"editionId":"v2","sections":[{"id":"intro","locator":"section 1","text":"First line\nNew line","title":"Introduction"}]},"author":"Mayone Maha Rajan","before":{"editionId":"v1","sections":[{"id":"intro","locator":"section 1","text":"First line\nOld line","title":"Introduction"}]},"commercialUseAuthorized":true,"dataClass":"synthetic","license":"original-maha-commercial-microcontent-v1","originalMahaAuthored":true,"redistributionAuthorized":true,"thirdPartyTextIncluded":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://www.mahastrategies.com/api/v1/library/editions/release-diff' \
  -H 'content-type: application/json' \
  --data-raw '{"after":{"editionId":"v2","sections":[{"id":"intro","locator":"section 1","text":"First line\nNew line","title":"Introduction"}]},"author":"Mayone Maha Rajan","before":{"editionId":"v1","sections":[{"id":"intro","locator":"section 1","text":"First line\nOld line","title":"Introduction"}]},"commercialUseAuthorized":true,"dataClass":"synthetic","license":"original-maha-commercial-microcontent-v1","originalMahaAuthored":true,"redistributionAuthorized":true,"thirdPartyTextIncluded":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 $0.010037 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.010037" });
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 $0.010037 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwww.mahastrategies.com%2Fapi%2Fv1%2Flibrary%2Feditions%2Frelease-diff&method=POST
const res = await pay("https://www.mahastrategies.com/api/v1/library/editions/release-diff", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "after": {
      "editionId": "v2",
      "sections": [
        {
          "id": "intro",
          "locator": "section 1",
          "text": "First line\nNew line",
          "title": "Introduction"
        }
      ]
    },
    "author": "Mayone Maha Rajan",
    "before": {
      "editionId": "v1",
      "sections": [
        {
          "id": "intro",
          "locator": "section 1",
          "text": "First line\nOld line",
          "title": "Introduction"
        }
      ]
    },
    "commercialUseAuthorized": true,
    "dataClass": "synthetic",
    "license": "original-maha-commercial-microcontent-v1",
    "originalMahaAuthored": true,
    "redistributionAuthorized": true,
    "thirdPartyTextIncluded": 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 $0.010037 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.010037"})
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/editions/release-diff",
        json={
            "after": {
                "editionId": "v2",
                "sections": [
                    {
                        "id": "intro",
                        "locator": "section 1",
                        "text": "First line\nNew line",
                        "title": "Introduction",
                    },
                ],
            },
            "author": "Mayone Maha Rajan",
            "before": {
                "editionId": "v1",
                "sections": [
                    {
                        "id": "intro",
                        "locator": "section 1",
                        "text": "First line\nOld line",
                        "title": "Introduction",
                    },
                ],
            },
            "commercialUseAuthorized": True,
            "dataClass": "synthetic",
            "license": "original-maha-commercial-microcontent-v1",
            "originalMahaAuthored": True,
            "redistributionAuthorized": True,
            "thirdPartyTextIncluded": False,
        },
    )
    print(res.status_code, res.text)