Schedule Solve

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://x402-api-24223879872.us-east1.run.app/v1/schedule-solve' \
  -H 'content-type: application/json' \
  --data-raw '{"constraints":[{"type":"no_double_booking"}],"demands":[{"id":"yoga-mon-9am","required":1,"requiresTags":["yoga"],"slotId":"mon-9am"},{"id":"yoga-mon-10am","required":1,"requiresTags":["yoga"],"slotId":"mon-10am"}],"objective":"balance_load","resources":[{"availability":"all","id":"alice","tags":["yoga"]},{"availability":["mon-9am","mon-10am"],"id":"bob","tags":["yoga","spin"]}],"slots":[{"day":"MON","end":"10:00","id":"mon-9am","start":"09:00"},{"day":"MON","end":"11:00","id":"mon-10am","start":"10:00"}],"timeLimitSeconds":5}'

# 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://x402-api-24223879872.us-east1.run.app/v1/schedule-solve' \
  -H 'content-type: application/json' \
  --data-raw '{"constraints":[{"type":"no_double_booking"}],"demands":[{"id":"yoga-mon-9am","required":1,"requiresTags":["yoga"],"slotId":"mon-9am"},{"id":"yoga-mon-10am","required":1,"requiresTags":["yoga"],"slotId":"mon-10am"}],"objective":"balance_load","resources":[{"availability":"all","id":"alice","tags":["yoga"]},{"availability":["mon-9am","mon-10am"],"id":"bob","tags":["yoga","spin"]}],"slots":[{"day":"MON","end":"10:00","id":"mon-9am","start":"09:00"},{"day":"MON","end":"11:00","id":"mon-10am","start":"10:00"}],"timeLimitSeconds":5}' \
  | 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 $0.3 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.3" });
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 $0.3 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fx402-api-24223879872.us-east1.run.app%2Fv1%2Fschedule-solve&method=POST
const res = await pay("https://x402-api-24223879872.us-east1.run.app/v1/schedule-solve", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "constraints": [
      {
        "type": "no_double_booking"
      }
    ],
    "demands": [
      {
        "id": "yoga-mon-9am",
        "required": 1,
        "requiresTags": [
          "yoga"
        ],
        "slotId": "mon-9am"
      },
      {
        "id": "yoga-mon-10am",
        "required": 1,
        "requiresTags": [
          "yoga"
        ],
        "slotId": "mon-10am"
      }
    ],
    "objective": "balance_load",
    "resources": [
      {
        "availability": "all",
        "id": "alice",
        "tags": [
          "yoga"
        ]
      },
      {
        "availability": [
          "mon-9am",
          "mon-10am"
        ],
        "id": "bob",
        "tags": [
          "yoga",
          "spin"
        ]
      }
    ],
    "slots": [
      {
        "day": "MON",
        "end": "10:00",
        "id": "mon-9am",
        "start": "09:00"
      },
      {
        "day": "MON",
        "end": "11:00",
        "id": "mon-10am",
        "start": "10:00"
      }
    ],
    "timeLimitSeconds": 5
  }),
});
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 $0.3 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.3"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://x402-api-24223879872.us-east1.run.app/v1/schedule-solve",
        json={
            "constraints": [
                {
                    "type": "no_double_booking",
                },
            ],
            "demands": [
                {
                    "id": "yoga-mon-9am",
                    "required": 1,
                    "requiresTags": [
                        "yoga",
                    ],
                    "slotId": "mon-9am",
                },
                {
                    "id": "yoga-mon-10am",
                    "required": 1,
                    "requiresTags": [
                        "yoga",
                    ],
                    "slotId": "mon-10am",
                },
            ],
            "objective": "balance_load",
            "resources": [
                {
                    "availability": "all",
                    "id": "alice",
                    "tags": [
                        "yoga",
                    ],
                },
                {
                    "availability": [
                        "mon-9am",
                        "mon-10am",
                    ],
                    "id": "bob",
                    "tags": [
                        "yoga",
                        "spin",
                    ],
                },
            ],
            "slots": [
                {
                    "day": "MON",
                    "end": "10:00",
                    "id": "mon-9am",
                    "start": "09:00",
                },
                {
                    "day": "MON",
                    "end": "11:00",
                    "id": "mon-10am",
                    "start": "10:00",
                },
            ],
            "timeLimitSeconds": 5,
        },
    )
    print(res.status_code, res.text)