授权决策

import { generateAuthDecisionKeyPair } from '@uqpay/sdk'

const { publicKey, privateKey } = await generateAuthDecisionKeyPair({
  name: 'Acme Corp',
  email: 'issuing.tech@acme.com',
})

await client.issuing.authDecision.configure({
  privateKey: './keys/my-private.asc',
  uqpayPublicKey: './keys/uqpay-public.asc',
  passphrase: process.env.PGP_PASSPHRASE, // 可选
})

const handler = client.issuing.authDecision.createHandler({
  decide: async (transaction) => {
    // transaction 中包含 billing_amount、merchant_name、card_id 等字段
    if (transaction.billing_amount > 10000) {
      return { response_code: '51' } // 余额不足
    }
    return { response_code: '00', partner_reference_id: 'ref-001' }
  },
  onError: (err) => console.error('Auth decision error:', err),
})

app.post('/auth-decision', handler)