Devagentpal Evidence Budget Router

# bash or zsh: see the payment challenge. Nothing is charged.
curl -sS -g -i -X POST 'https://api.blockchainmoneymap.com/api/devagentpal/evidence-budget-router' \
  -H 'content-type: application/json' \
  --data-raw '{"availableEvidenceProviders":[],"policy":{"budget":"1","deadlineMs":5000,"executionMode":"parallel","maximumEvidenceSpendPercentOfValueAtRisk":1,"maximumProviders":5,"minimumIndependentGroups":2,"requiredCoverage":["identity"],"riskBands":[],"targetConfidence":0.99},"task":{"impact":"high","reversibility":"costly","taskId":"task-a","valueAtRisk":"100"}}'

# 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/evidence-budget-router' \
  -H 'content-type: application/json' \
  --data-raw '{"availableEvidenceProviders":[],"policy":{"budget":"1","deadlineMs":5000,"executionMode":"parallel","maximumEvidenceSpendPercentOfValueAtRisk":1,"maximumProviders":5,"minimumIndependentGroups":2,"requiredCoverage":["identity"],"riskBands":[],"targetConfidence":0.99},"task":{"impact":"high","reversibility":"costly","taskId":"task-a","valueAtRisk":"100"}}' \
  | 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 $0.01 per call.
const client = new x402Client().setSpendControls({ maxAmountPerPayment: "$0.01" });
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 $0.01 per payment. GET https://toolvet.app/api/v1/check?url=https%3A%2F%2Fapi.blockchainmoneymap.com%2Fapi%2Fdevagentpal%2Fevidence-budget-router&method=POST
const res = await pay("https://api.blockchainmoneymap.com/api/devagentpal/evidence-budget-router", {
  method: "POST",
  headers: { "content-type": "application/json" },
  body: JSON.stringify({
    "availableEvidenceProviders": [],
    "policy": {
      "budget": "1",
      "deadlineMs": 5000,
      "executionMode": "parallel",
      "maximumEvidenceSpendPercentOfValueAtRisk": 1,
      "maximumProviders": 5,
      "minimumIndependentGroups": 2,
      "requiredCoverage": [
        "identity"
      ],
      "riskBands": [],
      "targetConfidence": 0.99
    },
    "task": {
      "impact": "high",
      "reversibility": "costly",
      "taskId": "task-a",
      "valueAtRisk": "100"
    }
  }),
});
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 $0.01 per call.
client = x402ClientSync().set_spend_controls({"max_amount_per_payment": "$0.01"})
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/evidence-budget-router",
        json={
            "availableEvidenceProviders": [],
            "policy": {
                "budget": "1",
                "deadlineMs": 5000,
                "executionMode": "parallel",
                "maximumEvidenceSpendPercentOfValueAtRisk": 1,
                "maximumProviders": 5,
                "minimumIndependentGroups": 2,
                "requiredCoverage": [
                    "identity",
                ],
                "riskBands": [],
                "targetConfidence": 0.99,
            },
            "task": {
                "impact": "high",
                "reversibility": "costly",
                "taskId": "task-a",
                "valueAtRisk": "100",
            },
        },
    )
    print(res.status_code, res.text)