Micro Packing Displacement Analysis

{
  "amountBaseUnits": "78000",
  "boundaries": [
    "Public or synthetic inputs only. Caller labels are declarations,…"
  ],
  "inputDigest": "sha256:dca4136fd984b5a0cd6170947e2b89cf4f9a472443ac80e7b00623a80…",
  "offerId": "packing-displacement-analysis",
  "receiptDigest": "sha256:24985ca1d03b3240df328902b9b5f442b1d3c93678823c9b5c0ad363a…",
  "result": {
    "budget": 8,
    "causalityEstablished": false,
    "dataClass": "synthetic",
    "densityDisplacedPassageIds": [
      "p1"
    ],
    "densityGreedy": {
      "coverageBps": 5000,
      "coveredEvidenceIds": [
        "e2"
      ],
      "selectedPassageIds": [
        "p2",
        "p3"
      ],
      "totalScore": 11,
      "usedTokens": 7
    },
    "greedyAddedPassageIds": [
      "p3"
    ],
    "greedyFit": {
      "coverageBps": 10000,
      "coveredEvidenceIds": [
        "e1",
        "e2"
      ],
      "selectedPassageIds": [
        "p1",
        "p3"
      ],
      "totalScore": 12,
      "usedTokens": 8
    },
    "greedyRecoveredEvidenceIds": [
      "e2"
    ],
    "inputSha256": "sha256:dca4136fd984b5a0cd6170947e2b89cf4f9a472443ac80e7b00623a80…",
    "limits": [
      "Public/synthetic is a caller declaration, not content inspection…"
    ],
    "observedSelection": null,
    "rankPrefix": {
      "coverageBps": 5000,
      "coveredEvidenceIds": [
        "e1"
      ],
      "selectedPassageIds": [
        "p1"
      ],
      "totalScore": 9,
      "usedTokens": 6
    },
    "resultSha256": "sha256:45a542ef56b8f1a295b2ca7ab633aa121d2a07a6dd811984bd941498e…",
    "sourcesVerified": false
  },
  "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/packing-displacement-analysis' \
  -H 'content-type: application/json' \
  --data-raw '{"budget":8,"candidates":[{"evidenceIds":["e1"],"passageId":"p1","rank":1,"score":9,"tokens":6},{"evidenceIds":["e2"],"passageId":"p2","rank":2,"score":8,"tokens":5},{"evidenceIds":["e2"],"passageId":"p3","rank":3,"score":3,"tokens":2}],"dataClass":"synthetic","observedSelectedPassageIds":null,"requiredEvidenceIds":["e1","e2"]}'

# 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/packing-displacement-analysis' \
  -H 'content-type: application/json' \
  --data-raw '{"budget":8,"candidates":[{"evidenceIds":["e1"],"passageId":"p1","rank":1,"score":9,"tokens":6},{"evidenceIds":["e2"],"passageId":"p2","rank":2,"score":8,"tokens":5},{"evidenceIds":["e2"],"passageId":"p3","rank":3,"score":3,"tokens":2}],"dataClass":"synthetic","observedSelectedPassageIds":null,"requiredEvidenceIds":["e1","e2"]}' \
  | 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 $0.078 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.078" });
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 $0.078 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fwww.mahastrategies.com%2Fapi%2Fv1%2Fmicro%2Fpacking-displacement-analysis&method=POST
const res = await pay("https://www.mahastrategies.com/api/v1/micro/packing-displacement-analysis", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "budget": 8,
    "candidates": [
      {
        "evidenceIds": [
          "e1"
        ],
        "passageId": "p1",
        "rank": 1,
        "score": 9,
        "tokens": 6
      },
      {
        "evidenceIds": [
          "e2"
        ],
        "passageId": "p2",
        "rank": 2,
        "score": 8,
        "tokens": 5
      },
      {
        "evidenceIds": [
          "e2"
        ],
        "passageId": "p3",
        "rank": 3,
        "score": 3,
        "tokens": 2
      }
    ],
    "dataClass": "synthetic",
    "observedSelectedPassageIds": null,
    "requiredEvidenceIds": [
      "e1",
      "e2"
    ]
  }),
});
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 $0.078 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.078"})
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/packing-displacement-analysis",
        json={
            "budget": 8,
            "candidates": [
                {
                    "evidenceIds": [
                        "e1",
                    ],
                    "passageId": "p1",
                    "rank": 1,
                    "score": 9,
                    "tokens": 6,
                },
                {
                    "evidenceIds": [
                        "e2",
                    ],
                    "passageId": "p2",
                    "rank": 2,
                    "score": 8,
                    "tokens": 5,
                },
                {
                    "evidenceIds": [
                        "e2",
                    ],
                    "passageId": "p3",
                    "rank": 3,
                    "score": 3,
                    "tokens": 2,
                },
            ],
            "dataClass": "synthetic",
            "observedSelectedPassageIds": None,
            "requiredEvidenceIds": [
                "e1",
                "e2",
            ],
        },
    )
    print(res.status_code, res.text)