Devagentpal Economic Dry Run Simulator

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.blockchainmoneymap.com/api/devagentpal/economic-dry-run-simulator' \
  -H 'content-type: application/json' \
  --data-raw '{"plan":{"nodes":[{"correlationGroup":null,"currency":"USDC","dependsOn":[],"id":"step-a","latencyModel":{"kind":"fixed","valueMs":400},"price":"0.01","providerId":"agent-or-api","resourceId":"wallet-snapshot","retry":{"backoff":{"baseMs":0,"jitterPercent":0,"kind":"fixed","maxMs":0},"billEachAttempt":true,"maxRetries":0},"successProbability":1}]},"policy":{"budget":"0.05","deadlineMs":10000,"failureMode":"stop","maxCalls":10,"maxDepth":20,"reviewBudgetBreachProbability":0.05,"reviewDeadlineBreachProbability":0.1,"simulationIterations":100},"seed":12345}'

# 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://api.blockchainmoneymap.com/api/devagentpal/economic-dry-run-simulator' \
  -H 'content-type: application/json' \
  --data-raw '{"plan":{"nodes":[{"correlationGroup":null,"currency":"USDC","dependsOn":[],"id":"step-a","latencyModel":{"kind":"fixed","valueMs":400},"price":"0.01","providerId":"agent-or-api","resourceId":"wallet-snapshot","retry":{"backoff":{"baseMs":0,"jitterPercent":0,"kind":"fixed","maxMs":0},"billEachAttempt":true,"maxRetries":0},"successProbability":1}]},"policy":{"budget":"0.05","deadlineMs":10000,"failureMode":"stop","maxCalls":10,"maxDepth":20,"reviewBudgetBreachProbability":0.05,"reviewDeadlineBreachProbability":0.1,"simulationIterations":100},"seed":12345}' \
  | 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 $0.05 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.05" });
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 $0.05 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.blockchainmoneymap.com%2Fapi%2Fdevagentpal%2Feconomic-dry-run-simulator&method=POST
const res = await pay("https://api.blockchainmoneymap.com/api/devagentpal/economic-dry-run-simulator", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "plan": {
      "nodes": [
        {
          "correlationGroup": null,
          "currency": "USDC",
          "dependsOn": [],
          "id": "step-a",
          "latencyModel": {
            "kind": "fixed",
            "valueMs": 400
          },
          "price": "0.01",
          "providerId": "agent-or-api",
          "resourceId": "wallet-snapshot",
          "retry": {
            "backoff": {
              "baseMs": 0,
              "jitterPercent": 0,
              "kind": "fixed",
              "maxMs": 0
            },
            "billEachAttempt": true,
            "maxRetries": 0
          },
          "successProbability": 1
        }
      ]
    },
    "policy": {
      "budget": "0.05",
      "deadlineMs": 10000,
      "failureMode": "stop",
      "maxCalls": 10,
      "maxDepth": 20,
      "reviewBudgetBreachProbability": 0.05,
      "reviewDeadlineBreachProbability": 0.1,
      "simulationIterations": 100
    },
    "seed": 12345
  }),
});
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 $0.05 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.05"})
register_exact_evm_client(client, EthAccountSigner(Account.from_key(os.environ["EVM_PRIVATE_KEY"])))

with x402_requests(client) as session:
    res = session.post(
        "https://api.blockchainmoneymap.com/api/devagentpal/economic-dry-run-simulator",
        json={
            "plan": {
                "nodes": [
                    {
                        "correlationGroup": None,
                        "currency": "USDC",
                        "dependsOn": [],
                        "id": "step-a",
                        "latencyModel": {
                            "kind": "fixed",
                            "valueMs": 400,
                        },
                        "price": "0.01",
                        "providerId": "agent-or-api",
                        "resourceId": "wallet-snapshot",
                        "retry": {
                            "backoff": {
                                "baseMs": 0,
                                "jitterPercent": 0,
                                "kind": "fixed",
                                "maxMs": 0,
                            },
                            "billEachAttempt": True,
                            "maxRetries": 0,
                        },
                        "successProbability": 1,
                    },
                ],
            },
            "policy": {
                "budget": "0.05",
                "deadlineMs": 10000,
                "failureMode": "stop",
                "maxCalls": 10,
                "maxDepth": 20,
                "reviewBudgetBreachProbability": 0.05,
                "reviewDeadlineBreachProbability": 0.1,
                "simulationIterations": 100,
            },
            "seed": 12345,
        },
    )
    print(res.status_code, res.text)