Metametrics (#6171)

* Add metametrics provider and util.

* Add backend api and state for participating in metametrics.

* Add frontend action for participating in metametrics.

* Add metametrics opt-in screen.

* Add metametrics events to first time flow.

* Add metametrics events for route changes

* Add metametrics events for send and confirm screens

* Add metametrics events to dropdowns, transactions, log in and out, settings, sig requests and main screen

* Ensures each log in is measured as a new visit by metametrics.

* Ensure metametrics is called with an empty string for dimensions params if specified

* Adds opt in metametrics modal after unlock for existing users

* Adds settings page toggle for opting in and out of MetaMetrics

* Switch metametrics dimensions to page level scope

* Lint, test and translation fixes for metametrics.

* Update design for metametrics opt-in screen

* Complete responsive styling of metametrics-opt-in modal

* Use new chart image on metrics opt in screens

* Incorporate the metametrics opt-in screen into the new onboarding flow

* Update e2e tests to accomodate metametrics changes

* Mock out metametrics network requests in integration tests

* Fix tx-list integration test to support metametrics provider.

* Send number of tokens and accounts data with every metametrics event.

* Update metametrics event descriptor schema and add new events.

* Fix import tos bug and send gas button bug due to metametrics changes.

* Various small fixes on the metametrics branch.

* Add origin custom variable type to metametrics.util

* Fix names of onboarding complete actions (metametrics).

* Fix names of Metrics Options actions (metametrics).

* Clean up code related to metametrics.

* Fix bad merge conflict resolution and improve promise handling in sendMetaMetrics event and confrim tx base

* Don't send a second metrics event if user has gone back during first time flow.

* Collect metametrics on going back from onboarding create/import.

* Add missing custom variable constants for metametrics

* Fix metametrics provider

* Make height of opt-in modal responsive.

* Adjust text content for opt-in modal.

* Update metametrics event names and clean up code in opt-in-modal

* Put phishing warning step next to last in onboarding flow

* Link terms of service on create and import screens of first time flow

* Add subtext to options on the onboarding select action screen.

* Fix styling of bullet points on end of onboarding screen.

* Combine phishing warning and congratulations screens.

* Fix placement of users if unlocking after an incomplete onboarding import flow.

* Fix capitalization in opt-in screen

* Fix last onboarding screen translations

* Add link to 'Learn More' on the last screen of onboarding

* Code clean up: metametrics branch

* Update e2e tests for phishing warning step removal

* e2e tests passing on metametrics branch

* Different tracking urls for metametrics on development and prod

1 files changed, 22 insertions, 0 deletions

diff --git a/ui/app/components/customize-gas-modal/index.js b/ui/app/components/customize-gas-modal/index.js
index e67fbe45b..fd660ead2 100644
--- a/ui/app/components/customize-gas-modal/index.js
+++ b/ui/app/components/customize-gas-modal/index.js
@@ -3,6 +3,7 @@ const PropTypes = require('prop-types')
 const h = require('react-hyperscript')
 const inherits = require('util').inherits
 const connect = require('react-redux').connect
+const BigNumber = require('bignumber.js')
 const actions = require('../../actions')
 const GasModalCard = require('./gas-modal-card')
 import Button from '../button'
@@ -112,6 +113,7 @@ function CustomizeGasModal (props) {
 
 CustomizeGasModal.contextTypes = {
   t: PropTypes.func,
+  metricsEvent: PropTypes.func,
 }
 
 module.exports = connect(mapStateToProps, mapDispatchToProps)(CustomizeGasModal)
@@ -148,6 +150,7 @@ CustomizeGasModal.prototype.componentWillReceiveProps = function (nextProps) {
 }
 
 CustomizeGasModal.prototype.save = function (gasPrice, gasLimit, gasTotal) {
+  const { metricsEvent } = this.context
   const {
     setGasPrice,
     setGasLimit,
@@ -159,6 +162,9 @@ CustomizeGasModal.prototype.save = function (gasPrice, gasLimit, gasTotal) {
     updateSendAmount,
     updateSendErrors,
   } = this.props
+  const {
+    originalState,
+  } = this.state
 
   if (maxModeOn && !selectedToken) {
     const maxAmount = subtractCurrencies(
@@ -169,6 +175,22 @@ CustomizeGasModal.prototype.save = function (gasPrice, gasLimit, gasTotal) {
     updateSendAmount(maxAmount)
   }
 
+  metricsEvent({
+    eventOpts: {
+      category: 'Activation',
+      action: 'userCloses',
+      name: 'closeCustomizeGas',
+    },
+    pageOpts: {
+      section: 'customizeGasModal',
+      component: 'customizeGasSaveButton',
+    },
+    customVariables: {
+      gasPriceChange: (new BigNumber(ethUtil.addHexPrefix(gasPrice))).minus(new BigNumber(ethUtil.addHexPrefix(originalState.gasPrice))).toString(10),
+      gasLimitChange: (new BigNumber(ethUtil.addHexPrefix(gasLimit))).minus(new BigNumber(ethUtil.addHexPrefix(originalState.gasLimit))).toString(10),
+    },
+  })
+
   setGasPrice(ethUtil.addHexPrefix(gasPrice))
   setGasLimit(ethUtil.addHexPrefix(gasLimit))
   setGasTotal(ethUtil.addHexPrefix(gasTotal))