@ledgerhq/coin-tezos/src/logic/estimateFees.integ.test.ts

Tezos Coin integration

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

import type { TezosCoinConfig, TezosContext } from '../config'
import type { CoreTransactionInfo } from './estimateFees'
import { mockConfig } from '../test/config'
import { estimateFees } from './estimateFees'

describe('estimateFees', () => {
  const context: TezosContext = {
    config: async () => mockConfig as TezosCoinConfig,
    logger: () => undefined,
  }

  const accounts = [
    {
      xpub: '02389ffd73423626894cb151416e51c72ec285376673daf83545eb5edb45b261ce',
      address: 'tz1UHux4ijk2Qu6Ee3dDpka4vnAiEhiDLZMa',
      balance: BigInt('2000000'),
      revealed: false,
    },
    {
      // No xpub provided
      address: 'tz1UHux4ijk2Qu6Ee3dDpka4vnAiEhiDLZMa',
      balance: BigInt('2000000'),
      revealed: false,
    },
  ]

  it.each([
    [accounts[0], 'with xpub'],
    [accounts[1], 'without xpub'],
  ])('returns correct value %s', async (account, _description) => {
    // Given
    const transaction = {
      mode: 'send',
      recipient: 'tz1PWFt4Ym6HedY78MgUP2kVDtSampGwprs5',
      amount: BigInt(1_000_000),
    } satisfies CoreTransactionInfo

    // When
    const result = await estimateFees(context, { account, transaction })
    // Then
    expect(result).toEqual({
      estimatedFees: BigInt('825'),
      fees: BigInt('491'),
      gasLimit: BigInt('2169'),
      storageLimit: BigInt('277'),
      amount: BigInt('1000000'),
    })
  })

  it.each([
    [accounts[0], 'with xpub'],
    [accounts[1], 'without xpub'],
  ])('returns correct value when useAllAmount %s', async (account, _description) => {
    // Given
    const transaction = {
      mode: 'send',
      recipient: 'tz1PWFt4Ym6HedY78MgUP2kVDtSampGwprs5',
      amount: BigInt(1_000_000),
      useAllAmount: true,
    } satisfies CoreTransactionInfo

    // When
    const result = await estimateFees(context, { account, transaction })

    // Then
    expect(result).toEqual({
      estimatedFees: BigInt('823'),
      fees: BigInt('489'),
      gasLimit: BigInt('2169'),
      storageLimit: BigInt('277'),
      amount: BigInt('1934629'),
    })
  })
})