web3-onboard-monorepo/packages/core/src/services.ts

Web3-Onboard makes it simple to connect Ethereum hardware and software wallets to your dapp. Features standardised spec compliant web3 providers for all supported wallets, framework agnostic modern javascript UI with code splitting, CSS customization, mul

import type { MultiChain } from 'bnc-sdk'
import { configuration } from './configuration.js'
import { handleTransactionUpdates } from './notify.js'

let blocknativeSdk: MultiChain

/**
 *
 * @returns SDK if apikey
 */
export async function getBlocknativeSdk(): Promise<MultiChain | null> {
  const { apiKey } = configuration

  if (!apiKey) return null

  if (!blocknativeSdk) {
    const { default: Blocknative } = await import('bnc-sdk')
    blocknativeSdk = Blocknative.multichain({
      apiKey: configuration.apiKey
    })

    blocknativeSdk.transactions$.subscribe(handleTransactionUpdates)
  }

  return blocknativeSdk
}