const assert = require('assert') const EventEmitter = require('events') const ethUtil = require('ethereumjs-util') const EthTx = require('ethereumjs-tx') const EthQuery = require('eth-query') const ObservableStore = require('obs-store') const clone = require('clone') const sinon = require('sinon') const TransactionController = require('../../app/scripts/controllers/transactions') const noop = () => true const currentNetworkId = 42 const otherNetworkId = 36 const privKey = new Buffer('8718b9618a37d1fc78c436511fc6df3c8258d3250635bba617f33003270ec03e', 'hex') describe('Transaction Controller', function () { let txController beforeEach(function () { txController = new TransactionController({ networkStore: new ObservableStore(currentNetworkId), txHistoryLimit: 10, ethStore: { getState: noop }, provider: { _blockTracker: new EventEmitter()}, blockTracker: new EventEmitter(), ethQuery: new EthQuery(new EventEmitter()), signTransaction: (ethTx) => new Promise((resolve) => { ethTx.sign(privKey) resolve() }), }) }) describe('#validateTxParams', function () { it('returns null for positive values', function () { var sample = { value: '0x01', } txController.txProviderUtils.validateTxParams(sample, (err) => { assert.equal(err, null, 'no error') }) }) it('returns error for negative values', function () { var sample = { value: '-0x01', } txController.txProviderUtils.validateTxParams(sample, (err) => { assert.ok(err, 'error') }) }) }) describe('#getTxList', function () { it('when new should return empty array', function () { var result = txController.getTxList() assert.ok(Array.isArray(result)) assert.equal(result.length, 0) }) it('should also return transactions from local storage if any', function () { }) }) describe('#addTx', function () { it('adds a tx returned in getTxList', function () { var tx = { id: 1, status: 'confirmed', metamaskNetworkId: currentNetworkId, txParams: {} } txController.addTx(tx, noop) var result = txController.getTxList() assert.ok(Array.isArray(result)) assert.equal(result.length, 1) assert.equal(result[0].id, 1) }) it('does not override txs from other networks', function () { var tx = { id: 1, status: 'confirmed', metamaskNetworkId: currentNetworkId, txParams: {} } var tx2 = { id: 2, status: 'confirmed', metamaskNetworkId: otherNetworkId, txParams: {} } txController.addTx(tx, noop) txController.addTx(tx2, noop) var result = txController.getFullTxList() var result2 = txController.getTxList() assert.equal(result.length, 2, 'txs were deleted') assert.equal(result2.length, 1, 'incorrect number of txs on network.') }) it('cuts off early txs beyond a limit', function () { const limit = txController.txHistoryLimit for (let i = 0; i < limit + 1; i++) { const tx = { id: i, time: new Date(), status: 'confirmed', metamaskNetworkId: currentNetworkId, txParams: {} } txController.addTx(tx, noop) } var result = txController.getTxList() assert.equal(result.length, limit, `limit of ${limit} txs enforced`) assert.equal(result[0].id, 1, 'early txs truncted') }) it('cuts off early txs beyond a limit whether or not it is confirmed or rejected', function () { const limit = txController.txHistoryLimit for (let i = 0; i < limit + 1; i++) { const tx = { id: i, time: new Date(), status: 'rejected', metamaskNetworkId: currentNetworkId, txParams: {} } txController.addTx(tx, noop) } var result = txController.getTxList() assert.equal(result.length, limit, `limit of ${limit} txs enforced`) assert.equal(result[0].id, 1, 'early txs truncted') }) it('cuts off early txs beyond a limit but does not cut unapproved txs', function () { var unconfirmedTx = { id: 0, time: new Date(), status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} } txController.addTx(unconfirmedTx, noop) const limit = txController.txHistoryLimit for (let i = 1; i < limit + 1; i++) { const tx = { id: i, time: new Date(), status: 'confirmed', metamaskNetworkId: currentNetworkId, txParams: {} } txController.addTx(tx, noop) } var result = txController.getTxList() assert.equal(result.length, limit, `limit of ${limit} txs enforced`) assert.equal(result[0].id, 0, 'first tx should still be there') assert.equal(result[0].status, 'unapproved', 'first tx should be unapproved') assert.equal(result[1].id, 2, 'early txs truncted') }) }) describe('#setTxStatusSigned', function () { it('sets the tx status to signed', function () { var tx = { id: 1, status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} } txController.addTx(tx, noop) txController.setTxStatusSigned(1) var result = txController.getTxList() assert.ok(Array.isArray(result)) assert.equal(result.length, 1) assert.equal(result[0].status, 'signed') }) it('should emit a signed event to signal the exciton of callback', (done) => { this.timeout(10000) var tx = { id: 1, status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} } const noop = function () { assert(true, 'event listener has been triggered and noop executed') done() } txController.addTx(tx) txController.on('1:signed', noop) txController.setTxStatusSigned(1) }) }) describe('#setTxStatusRejected', function () { it('sets the tx status to rejected', function () { var tx = { id: 1, status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} } txController.addTx(tx) txController.setTxStatusRejected(1) var result = txController.getTxList() assert.ok(Array.isArray(result)) assert.equal(result.length, 1) assert.equal(result[0].status, 'rejected') }) it('should emit a rejected event to signal the exciton of callback', (done) => { this.timeout(10000) var tx = { id: 1, status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} } txController.addTx(tx) const noop = function (err, txId) { assert(true, 'event listener has been triggered and noop executed') done() } txController.on('1:rejected', noop) txController.setTxStatusRejected(1) }) }) describe('#updateTx', function () { it('replaces the tx with the same id', function () { txController.addTx({ id: '1', status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} }, noop) txController.addTx({ id: '2', status: 'confirmed', metamaskNetworkId: currentNetworkId, txParams: {} }, noop) txController.updateTx({ id: '1', status: 'blah', hash: 'foo', metamaskNetworkId: currentNetworkId, txParams: {} }) var result = txController.getTx('1') assert.equal(result.hash, 'foo') }) it('updates gas price', function () { const originalGasPrice = '0x01' const desiredGasPrice = '0x02' const txMeta = { id: '1', status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: { gasPrice: originalGasPrice, }, } const updatedMeta = clone(txMeta) txController.addTx(txMeta) updatedMeta.txParams.gasPrice = desiredGasPrice txController.updateTx(updatedMeta) var result = txController.getTx('1') assert.equal(result.txParams.gasPrice, desiredGasPrice, 'gas price updated') }) }) describe('#getUnapprovedTxList', function () { it('returns unapproved txs in a hash', function () { txController.addTx({ id: '1', status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} }, noop) txController.addTx({ id: '2', status: 'confirmed', metamaskNetworkId: currentNetworkId, txParams: {} }, noop) const result = txController.getUnapprovedTxList() assert.equal(typeof result, 'object') assert.equal(result['1'].status, 'unapproved') assert.equal(result['2'], undefined) }) }) describe('#getTx', function () { it('returns a tx with the requested id', function () { txController.addTx({ id: '1', status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} }, noop) txController.addTx({ id: '2', status: 'confirmed', metamaskNetworkId: currentNetworkId, txParams: {} }, noop) assert.equal(txController.getTx('1').status, 'unapproved') assert.equal(txController.getTx('2').status, 'confirmed') }) }) describe('#getFilteredTxList', function () { it('returns a tx with the requested data', function () { const txMetas = [ { id: 0, status: 'unapproved', txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: currentNetworkId }, { id: 1, status: 'unapproved', txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: currentNetworkId }, { id: 2, status: 'unapproved', txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: currentNetworkId }, { id: 3, status: 'unapproved', txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: currentNetworkId }, { id: 4, status: 'unapproved', txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: currentNetworkId }, { id: 5, status: 'confirmed', txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: currentNetworkId }, { id: 6, status: 'confirmed', txParams: { from: '0xaa', to: '0xbb' }, metamaskNetworkId: currentNetworkId }, { id: 7, status: 'confirmed', txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: currentNetworkId }, { id: 8, status: 'confirmed', txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: currentNetworkId }, { id: 9, status: 'confirmed', txParams: { from: '0xbb', to: '0xaa' }, metamaskNetworkId: currentNetworkId }, ] txMetas.forEach((txMeta) => txController.addTx(txMeta, noop)) let filterParams filterParams = { status: 'unapproved', from: '0xaa' } assert.equal(txController.getFilteredTxList(filterParams).length, 3, `getFilteredTxList - ${JSON.stringify(filterParams)}`) filterParams = { status: 'unapproved', to: '0xaa' } assert.equal(txController.getFilteredTxList(filterParams).length, 2, `getFilteredTxList - ${JSON.stringify(filterParams)}`) filterParams = { status: 'confirmed', from: '0xbb' } assert.equal(txController.getFilteredTxList(filterParams).length, 3, `getFilteredTxList - ${JSON.stringify(filterParams)}`) filterParams = { status: 'confirmed' } assert.equal(txController.getFilteredTxList(filterParams).length, 5, `getFilteredTxList - ${JSON.stringify(filterParams)}`) filterParams = { from: '0xaa' } assert.equal(txController.getFilteredTxList(filterParams).length, 5, `getFilteredTxList - ${JSON.stringify(filterParams)}`) filterParams = { to: '0xaa' } assert.equal(txController.getFilteredTxList(filterParams).length, 5, `getFilteredTxList - ${JSON.stringify(filterParams)}`) }) }) describe('#approveTransaction', function () { let txMeta, originalValue beforeEach(function () { originalValue = '0x01' txMeta = { id: '1', status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: { nonce: originalValue, gas: originalValue, gasPrice: originalValue, }, } }) it('does not overwrite set values', function (done) { const wrongValue = '0x05' txController.addTx(txMeta) const estimateStub = sinon.stub(txController.txProviderUtils.query, 'estimateGas') .callsArgWith(1, null, wrongValue) const priceStub = sinon.stub(txController.txProviderUtils.query, 'gasPrice') .callsArgWith(0, null, wrongValue) const nonceStub = sinon.stub(txController.txProviderUtils.query, 'getTransactionCount') .callsArgWith(2, null, wrongValue) const signStub = sinon.stub(txController, 'signTransaction') .callsArgWith(1, null, noop) const pubStub = sinon.stub(txController.txProviderUtils, 'publishTransaction') .callsArgWith(1, null, originalValue) txController.approveTransaction(txMeta.id, (err) => { assert.ifError(err, 'should not error') const result = txController.getTx(txMeta.id) const params = result.txParams assert.equal(params.gas, originalValue, 'gas unmodified') assert.equal(params.gasPrice, originalValue, 'gas price unmodified') assert.equal(params.nonce, originalValue, 'nonce unmodified') assert.equal(result.hash, originalValue, 'hash was set') estimateStub.restore() priceStub.restore() signStub.restore() nonceStub.restore() pubStub.restore() done() }) }) }) describe('#sign replay-protected tx', function () { it('prepares a tx with the chainId set', function (done) { txController.addTx({ id: '1', status: 'unapproved', metamaskNetworkId: currentNetworkId, txParams: {} }, noop) txController.signTransaction('1', (err, rawTx) => { if (err) return done('it should not fail') const ethTx = new EthTx(ethUtil.toBuffer(rawTx)) assert.equal(ethTx.getChainId(), currentNetworkId) done() }) }) }) describe('#_resubmitTx with a too-low balance', function () { it('should fail the transaction', function (done) { const from = '0xda0da0' const txMeta = { id: 1, status: 'submitted', metamaskNetworkId: currentNetworkId, txParams: { from, nonce: '0x1', value: '0xfffff', }, } const lowBalance = '0x0' const fakeStoreState = { accounts: {} } fakeStoreState.accounts[from] = { balance: lowBalance, nonce: '0x0', } // Stubbing out current account state: const getStateStub = sinon.stub(txController.ethStore, 'getState') .returns(fakeStoreState) // Adding the fake tx: txController.addTx(clone(txMeta)) txController._resubmitTx(txMeta, function (err) { assert.ifError(err, 'should not throw an error') const updatedMeta = txController.getTx(txMeta.id) assert.notEqual(updatedMeta.status, txMeta.status, 'status changed.') assert.equal(updatedMeta.status, 'failed', 'tx set to failed.') done() }) }) }) })