@ledgerhq/coin-tezos/src/network/bakers.test.ts

Tezos Coin integration

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

import type { TezosCoinConfig } from '../config'
import type { TezosApiBaker } from './bakers'
import network from '@ledgerhq/live-network/network'
import { mockConfig } from '../test/config'
import { asBaker, cache } from './bakers'

jest.mock('@ledgerhq/live-network/network')
const mockedNetwork = jest.mocked(network)

// `cache` is keyed by config (its LRU resolver is `config.baker.url`), so it must be called with a
// config. Previously the config was provided via `coinConfig.setCoinConfig(...)`.
const config = mockConfig as TezosCoinConfig

const data: TezosApiBaker[] = [
  {
    address: 'tz1Kf25fX1VdmYGSEzwFy1wNmkbSEZ2V83sY',
    name: 'Tezos Seoul',
    status: 'closed',
    balance: 2.941247,
    features: [],
    delegation: {
      enabled: true,
      minBalance: 100,
      fee: 0.07,
      capacity: 0,
      freeSpace: -815914.909184,
      estimatedApy: 0,
      features: [
        {
          title: 'Distributed rewards',
          content: "Baker doesn't pay network fee rewards",
        },
      ],
    },
    staking: {
      enabled: false,
      minBalance: 0,
      fee: 0,
      capacity: 0,
      freeSpace: 0,
      estimatedApy: 0.0967,
      features: [],
    },
  },
  {
    address: 'tz1gg5bjopPcr9agjamyu9BbXKLibNc2rbAq',
    name: 'hodl.farm',
    status: 'active',
    balance: 43334.236051,
    features: [
      {
        title: 'Contribution',
        content: {
          project: 'Tezos on Kubernetes',
          link: 'https://github.com/hodl-dot-farm/tezos-on-gke',
        },
      },
    ],
    delegation: {
      enabled: false,
      minBalance: 0,
      fee: 1,
      capacity: 363902.963184,
      freeSpace: 162427.070878,
      estimatedApy: 0,
      features: [
        {
          title: 'Distributed rewards',
          content: "Baker doesn't pay network fee, denunciation and revelation rewards",
        },
        {
          title: 'Compensated loss',
          content: 'Baker compensates missed baking and attestation rewards',
        },
      ],
    },
    staking: {
      enabled: true,
      minBalance: 0,
      fee: 0.075,
      capacity: 363902.963184,
      freeSpace: 293604.290457,
      estimatedApy: 0.0894,
      features: [],
    },
  },
  {
    address: 'tz3LV9aGKHDnAZHCtC9SjNtTrKRu678FqSki',
    name: 'Ledger by Kiln',
    status: 'active',
    balance: 801425.237986,
    features: [],
    delegation: {
      enabled: true,
      minBalance: 1,
      fee: 0.12,
      capacity: 7002345.443544,
      freeSpace: 36021.368062,
      estimatedApy: 0.0284,
      features: [],
    },
    staking: {
      enabled: true,
      minBalance: 0,
      fee: 0.2,
      capacity: 7002345.443544,
      freeSpace: 6837721.800765,
      estimatedApy: 0.0774,
      features: [],
    },
  },
  {
    address: 'tz1KwafrdmM8RwxUMxdbbtWyZuKLWSPVxe9u',
    name: 'Tezberry Pie',
    status: 'active',
    balance: 17798.149073,
    features: [],
    delegation: {
      enabled: true,
      minBalance: 10,
      fee: 0.12,
      capacity: 155364.334245,
      freeSpace: 100030.802123,
      estimatedApy: 0.0284,
      features: [],
    },
    staking: {
      enabled: true,
      minBalance: 0,
      fee: 0.12,
      capacity: 155364.334245,
      freeSpace: 100143.090362,
      estimatedApy: 0.0851,
      features: [],
    },
  },
  {
    address: 'tz1WnfXMPaNTBmH7DBPwqCWs9cPDJdkGBTZ8',
    name: 'TezosHODL',
    status: 'active',
    balance: 417336.25576,
    features: [],
    delegation: {
      enabled: true,
      minBalance: 10,
      fee: 0.15,
      capacity: 3733611.262254,
      freeSpace: 2216838.749908,
      estimatedApy: 0.0274,
      features: [
        {
          title: 'Distributed rewards',
          content: "Baker doesn't pay denunciation rewards",
        },
      ],
    },
    staking: {
      enabled: true,
      minBalance: 0,
      fee: 0.15,
      capacity: 2074228.47903,
      freeSpace: 1440050.488348,
      estimatedApy: 0.0822,
      features: [],
    },
  },
]

describe('Tezos Baker', () => {
  afterEach(() => {
    jest.clearAllMocks()
    cache.reset()
  })

  describe('Get bakers from cache', () => {
    beforeEach(() => {
      const response = {
        data,
        status: 200,
        headers: {} as any,
        statusText: '',
        config: {
          headers: {} as any,
        },
      }

      mockedNetwork.mockReturnValue(Promise.resolve(response))
    })

    it('Ledger Baker should be first in the list', async () => {
      const bakers = await cache(config)
      expect(bakers[0].name).toBe('Ledger by Kiln')
    })
  })

  describe('asBaker', () => {
    it('Should convert api baker to LL baker (capacity status full)', () => {
      const testBaker = data.find((baker) => baker.delegation.freeSpace < 0)!
      const baker = asBaker(testBaker)
      expect(baker?.name).toBe(testBaker.name)
      expect(baker?.nominalYield).toBe(
        `${Math.floor(10000 * testBaker.delegation.estimatedApy) / 100} %`
      )
      expect(baker?.capacityStatus).toBe('full')
    })

    it('Should convert api baker to LL baker (capacity status normal)', () => {
      const testBaker = data.find((baker) => baker.delegation.freeSpace > 0)!
      const baker = asBaker(testBaker)
      expect(baker?.name).toBe(testBaker.name)
      expect(baker?.nominalYield).toBe(
        `${Math.floor(10000 * testBaker.delegation.estimatedApy) / 100} %`
      )
      expect(baker?.capacityStatus).toBe('normal')
    })
  })
})