@ledgerhq/coin-stellar/src/logic/networkWrappers.test.ts

Ledger Stellar Coin integration

// SPDX-FileCopyrightText: © 2026 LEDGER SAS
// SPDX-License-Identifier: Apache-2.0

import { fetchBaseFee, broadcastTransaction, getLastBlock } from '../network'
import { broadcast } from './broadcast'
import { estimateFees } from './estimateFees'
import { lastBlock } from './lastBlock'

jest.mock('../network', () => ({
  fetchBaseFee: jest.fn(),
  broadcastTransaction: jest.fn(),
  getLastBlock: jest.fn(),
}))

describe('network wrapper helpers', () => {
  beforeEach(() => {
    jest.clearAllMocks()
  })

  it('broadcast delegates to broadcastTransaction', async () => {
    ;(broadcastTransaction as jest.Mock).mockResolvedValue('tx-hash')

    await expect(broadcast('signed-xdr')).resolves.toBe('tx-hash')
    expect(broadcastTransaction).toHaveBeenCalledWith('signed-xdr')
  })

  it('estimateFees converts recommended fee to bigint', async () => {
    ;(fetchBaseFee as jest.Mock).mockResolvedValue({ recommendedFee: 100, baseFee: 100 })

    await expect(estimateFees()).resolves.toBe(100n)
    expect(fetchBaseFee).toHaveBeenCalledTimes(1)
  })

  it('lastBlock delegates to getLastBlock', async () => {
    const block = {
      height: 123,
      hash: 'block-hash',
      time: new Date('2026-01-01T00:00:00.000Z'),
    }
    ;(getLastBlock as jest.Mock).mockResolvedValue(block)

    await expect(lastBlock()).resolves.toEqual(block)
    expect(getLastBlock).toHaveBeenCalledTimes(1)
  })
})