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const assert = require('assert')
const sinon = require('sinon')
const clone = require('clone')
const MetaMaskController = require('../../app/scripts/metamask-controller')
const firstTimeState = require('../../app/scripts/first-time-state')
const BN = require('ethereumjs-util').BN
const GWEI_BN = new BN('1000000000')
describe('MetaMaskController', function () {
const noop = () => {}
const metamaskController = new MetaMaskController({
showUnconfirmedMessage: noop,
unlockAccountMessage: noop,
showUnapprovedTx: noop,
platform: {},
encryptor: {
encrypt: function(password, object) {
this.object = object
return Promise.resolve()
},
decrypt: function () {
return Promise.resolve(this.object)
}
},
// initial state
initState: clone(firstTimeState),
})
beforeEach(function () {
// sinon allows stubbing methods that are easily verified
this.sinon = sinon.sandbox.create()
})
afterEach(function () {
// sinon requires cleanup otherwise it will overwrite context
this.sinon.restore()
})
describe('Metamask Controller', function () {
assert(metamaskController)
beforeEach(function () {
sinon.spy(metamaskController.keyringController, 'createNewVaultAndKeychain')
})
afterEach(function () {
metamaskController.keyringController.createNewVaultAndKeychain.restore()
})
describe('#getGasPrice', function () {
it('gives the 50th percentile lowest accepted gas price from recentBlocksController', async function () {
const realRecentBlocksController = metamaskController.recentBlocksController
metamaskController.recentBlocksController = {
store: {
getState: () => {
return {
recentBlocks: [
{ gasPrices: [ '0x3b9aca00', '0x174876e800'] },
{ gasPrices: [ '0x3b9aca00', '0x174876e800'] },
{ gasPrices: [ '0x174876e800', '0x174876e800' ]},
{ gasPrices: [ '0x174876e800', '0x174876e800' ]},
]
}
}
}
}
const gasPrice = metamaskController.getGasPrice()
assert.equal(gasPrice, '0x3b9aca00', 'accurately estimates 50th percentile accepted gas price')
metamaskController.recentBlocksController = realRecentBlocksController
})
})
describe('#createNewVaultAndKeychain', function () {
it('can only create new vault on keyringController once', async function () {
const selectStub = sinon.stub(metamaskController, 'selectFirstIdentity')
const password = 'a-fake-password'
const first = await metamaskController.createNewVaultAndKeychain(password)
const second = await metamaskController.createNewVaultAndKeychain(password)
assert(metamaskController.keyringController.createNewVaultAndKeychain.calledOnce)
selectStub.reset()
})
})
})
})
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