Function btxAdmission

Example

import express from 'express';
import { BtxChallengeClient } from '@btx-tools/challenges-sdk';
import { btxAdmission } from '@btx-tools/middleware-express';

const client = new BtxChallengeClient({
  rpcUrl: 'http://127.0.0.1:19334',
  rpcAuth: { user: 'rpcuser', pass: 'rpcpass' },
});

const app = express();
app.use(express.json());

app.post('/v1/generate',
  btxAdmission({
    client,
    purpose: 'ai_inference_gate',
    resource: (req) => `model:${req.body.model}|route:${req.path}`,
    subject: (req) => `tenant:${req.body.tenant_id}`,
    issueParams: { target_solve_time_s: 1.0, expires_in_s: 60 },
  }),
  async (req, res) => {
    // req.btx?.result is populated with the redeem VerifyResult
    res.json({ ok: true, generated: '...' });
  },
);
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