LuminaClient

import { LuminaClient } from '@lumina-org/sdk'

const lumina = new LuminaClient({
  apiKey: process.env.LUMINA_API_KEY!,
  apiUrl: 'https://lumina-api-production-ac85.up.railway.app',  // optional, this is the default
})

new LuminaClient({
  apiKey: string,          // required; pass "" for onboard / sandbox / health
  apiUrl?: string,         // defaults to https://lumina-api-production-ac85.up.railway.app
})

const health = await lumina.health()
//   {
//     status: 'ok',
//     chain: { chainId: 8453, blockNumber: 21345678 },
//     contracts: { bondVault, coverRouter, luminaOracleV2, marketplace, … },
//     version: 'V5.4',
//   }

const c = await lumina.getContracts()
c.bondVault           // BondVault SET C address
c.coverRouter         // CoverRouter address
c.luminaOracleV2      // LuminaOracleV2 (TWAP) address
c.marketplace         // LuminaBondMarketplace address

import { LuminaError } from '@lumina-org/sdk'

try {
  await lumina.policies.purchase({ … })
} catch (err) {
  if (err instanceof LuminaError) {
    err.status   // HTTP status code (number)
    err.code     // API error code (string), e.g. 'invalid_api_key'
    err.message  // human-readable message
  }
}