mirror of
https://github.com/kremalicious/metamask-extension.git
synced 2024-12-23 01:39:44 +01:00
253 lines
10 KiB
JavaScript
253 lines
10 KiB
JavaScript
import Analytics from 'analytics-node'
|
|
import { omit, pick } from 'lodash'
|
|
|
|
// flushAt controls how many events are collected in the queue before they
|
|
// are sent to segment. I recommend a queue size of one due to an issue with
|
|
// detecting and flushing events in an extension beforeunload doesn't work in
|
|
// a notification context. Because notification windows are opened and closed
|
|
// in reaction to the very events we want to track, it is problematic to cache
|
|
// at all.
|
|
const flushAt = 1
|
|
|
|
export const METAMETRICS_ANONYMOUS_ID = '0x0000000000000000'
|
|
|
|
const segmentNoop = {
|
|
track (_, callback = () => undefined) {
|
|
// Need to call the callback so that environments without a segment id still
|
|
// resolve the promise from trackMetaMetricsEvent
|
|
return callback()
|
|
},
|
|
page () {
|
|
// noop
|
|
},
|
|
identify () {
|
|
// noop
|
|
},
|
|
}
|
|
|
|
/**
|
|
* Used to determine whether or not to attach a user's metametrics id
|
|
* to events that include on-chain data. This helps to prevent identifying
|
|
* a user by being able to trace their activity on etherscan/block exploring
|
|
*/
|
|
const trackableSendCounts = {
|
|
1: true,
|
|
10: true,
|
|
30: true,
|
|
50: true,
|
|
100: true,
|
|
250: true,
|
|
500: true,
|
|
1000: true,
|
|
2500: true,
|
|
5000: true,
|
|
10000: true,
|
|
25000: true,
|
|
}
|
|
|
|
export function sendCountIsTrackable (sendCount) {
|
|
return Boolean(trackableSendCounts[sendCount])
|
|
}
|
|
|
|
// We do not want to track events on development builds unless specifically
|
|
// provided a SEGMENT_WRITE_KEY. This also holds true for test environments and
|
|
// E2E, which is handled in the build process by never providing the SEGMENT_WRITE_KEY
|
|
// when process.env.IN_TEST is truthy
|
|
export const segment = process.env.SEGMENT_WRITE_KEY
|
|
? new Analytics(process.env.SEGMENT_WRITE_KEY, { flushAt })
|
|
: segmentNoop
|
|
|
|
export const segmentLegacy = process.env.SEGMENT_LEGACY_WRITE_KEY
|
|
? new Analytics(process.env.SEGMENT_LEGACY_WRITE_KEY, { flushAt })
|
|
: segmentNoop
|
|
|
|
/**
|
|
* We attach context to every meta metrics event that help to qualify our analytics.
|
|
* This type has all optional values because it represents a returned object from a
|
|
* method call. Ideally app and userAgent are defined on every event. This is confirmed
|
|
* in the getTrackMetaMetricsEvent function, but still provides the consumer a way to
|
|
* override these values if necessary.
|
|
* @typedef {Object} MetaMetricsContext
|
|
* @property {Object} app
|
|
* @property {string} app.name - the name of the application tracking the event
|
|
* @property {string} app.version - the version of the application
|
|
* @property {string} userAgent - the useragent string of the user
|
|
* @property {Object} [page] - an object representing details of the current page
|
|
* @property {string} [page.path] - the path of the current page (e.g /home)
|
|
* @property {string} [page.title] - the title of the current page (e.g 'home')
|
|
* @property {string} [page.url] - the fully qualified url of the current page
|
|
* @property {Object} [referrer] - for metamask, this is the dapp that triggered an interaction
|
|
* @property {string} [referrer.url] - the origin of the dapp issuing the notification
|
|
*/
|
|
|
|
/**
|
|
* page and referrer from the MetaMetricsContext are very dynamic in nature and may be
|
|
* provided as part of the initial context payload when creating the trackMetaMetricsEvent function,
|
|
* or at the event level when calling the trackMetaMetricsEvent function.
|
|
* @typedef {Pick<MetaMetricsContext, 'page' | 'referrer'>} MetaMetricsDynamicContext
|
|
*/
|
|
|
|
/**
|
|
* @typedef {import('../../app/scripts/lib/enums').EnvironmentType} EnvironmentType
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Object} MetaMetricsRequiredState
|
|
* @property {bool} participateInMetaMetrics - has the user opted into metametrics
|
|
* @property {string} [metaMetricsId] - the user's metaMetricsId, if they have opted in
|
|
* @property {MetaMetricsDynamicContext} context - context about the event
|
|
* @property {string} chainId - the chain id of the current network
|
|
* @property {string} locale - the locale string of the current user
|
|
* @property {string} network - the name of the current network
|
|
* @property {EnvironmentType} environmentType - environment that the event happened in
|
|
* @property {string} [metaMetricsSendCount] - number of transactions sent, used to add metametricsId
|
|
* intermittently to events with onchain data attached to them used to protect identity of users.
|
|
*/
|
|
|
|
/**
|
|
* @typedef {Object} MetaMetricsEventPayload
|
|
* @property {string} event - event name to track
|
|
* @property {string} category - category to associate event to
|
|
* @property {boolean} [isOptIn] - happened during opt in/out workflow
|
|
* @property {object} [properties] - object of custom values to track, snake_case
|
|
* @property {number} [revenue] - amount of currency that event creates in revenue for MetaMask
|
|
* @property {string} [currency] - ISO 4127 format currency for events with revenue, defaults to US dollars
|
|
* @property {number} [value] - Abstract "value" that this event has for MetaMask.
|
|
* @property {boolean} [excludeMetaMetricsId] - whether to exclude the user's metametrics id for anonymity
|
|
* @property {string} [metaMetricsId] - an override for the metaMetricsId in the event one is created as part
|
|
* of an asynchronous workflow, such as awaiting the result of the metametrics opt-in function that generates the
|
|
* user's metametrics id.
|
|
* @property {boolean} [matomoEvent] - is this event a holdover from matomo that needs further migration?
|
|
* when true, sends the data to a special segment source that marks the event data as not conforming to our
|
|
* ideal schema
|
|
* @property {MetaMetricsDynamicContext} [eventContext] - additional context to attach to event
|
|
*/
|
|
|
|
/**
|
|
* Returns a function for tracking Segment events.
|
|
*
|
|
* @param {string} metamaskVersion - The current version of the MetaMask extension.
|
|
* @param {() => MetaMetricsRequiredState} getDynamicState - A function returning required fields
|
|
* @returns {(payload: MetaMetricsEventPayload) => Promise<void>} - function to track an event
|
|
*/
|
|
export function getTrackMetaMetricsEvent (
|
|
metamaskVersion,
|
|
getDynamicState,
|
|
) {
|
|
const version = process.env.METAMASK_ENVIRONMENT === 'production'
|
|
? metamaskVersion
|
|
: `${metamaskVersion}-${process.env.METAMASK_ENVIRONMENT}`
|
|
|
|
return function trackMetaMetricsEvent ({
|
|
event,
|
|
category,
|
|
isOptIn,
|
|
properties = {},
|
|
revenue,
|
|
currency,
|
|
value,
|
|
metaMetricsId: metaMetricsIdOverride,
|
|
excludeMetaMetricsId: excludeId,
|
|
matomoEvent = false,
|
|
eventContext = {},
|
|
}) {
|
|
if (!event || !category) {
|
|
throw new Error('Must specify event and category.')
|
|
}
|
|
const {
|
|
participateInMetaMetrics,
|
|
context: providedContext,
|
|
metaMetricsId,
|
|
environmentType,
|
|
chainId,
|
|
locale,
|
|
network,
|
|
metaMetricsSendCount,
|
|
} = getDynamicState()
|
|
|
|
let excludeMetaMetricsId = excludeId ?? false
|
|
|
|
// This is carried over from the old implementation, and will likely need
|
|
// to be updated to work with the new tracking plan. I think we should use
|
|
// a config setting for this instead of trying to match the event name
|
|
const isSendFlow = Boolean(event.match(/^send|^confirm/u))
|
|
if (isSendFlow && metaMetricsSendCount && !sendCountIsTrackable(metaMetricsSendCount + 1)) {
|
|
excludeMetaMetricsId = true
|
|
}
|
|
|
|
if (!participateInMetaMetrics && !isOptIn) {
|
|
return Promise.resolve()
|
|
}
|
|
|
|
/** @type {MetaMetricsContext} */
|
|
const context = {
|
|
app: {
|
|
name: 'MetaMask Extension',
|
|
version,
|
|
},
|
|
userAgent: window.navigator.userAgent,
|
|
...pick(providedContext, ['page', 'referrer']),
|
|
...pick(eventContext, ['page', 'referrer']),
|
|
}
|
|
|
|
const trackOptions = {
|
|
event,
|
|
properties: {
|
|
// These values are omitted from properties because they have special meaning
|
|
// in segment. https://segment.com/docs/connections/spec/track/#properties.
|
|
// to avoid accidentally using these inappropriately, you must add them as top
|
|
// level properties on the event payload. We also exclude locale to prevent consumers
|
|
// from overwriting this context level property. We track it as a property
|
|
// because not all destinations map locale from context.
|
|
...omit(properties, ['revenue', 'locale', 'currency', 'value']),
|
|
revenue,
|
|
value,
|
|
currency,
|
|
category,
|
|
network,
|
|
locale,
|
|
chain_id: chainId,
|
|
environment_type: environmentType,
|
|
},
|
|
context,
|
|
}
|
|
|
|
// If we are tracking sensitive data we will always use the anonymousId property
|
|
// as well as our METAMETRICS_ANONYMOUS_ID. This prevents us from associating potentially
|
|
// identifiable information with a specific id. During the opt in flow we will track all
|
|
// events, but do so with the anonymous id. The one exception to that rule is after the
|
|
// user opts in to MetaMetrics. When that happens we receive back the user's new MetaMetrics
|
|
// id before it is fully persisted to state. To avoid a race condition we explicitly pass the
|
|
// new id to the track method. In that case we will track the opt in event to the user's id.
|
|
// In all other cases we use the metaMetricsId from state.
|
|
if (excludeMetaMetricsId) {
|
|
trackOptions.anonymousId = METAMETRICS_ANONYMOUS_ID
|
|
} else if (isOptIn && metaMetricsIdOverride) {
|
|
trackOptions.userId = metaMetricsIdOverride
|
|
} else if (isOptIn) {
|
|
trackOptions.anonymousId = METAMETRICS_ANONYMOUS_ID
|
|
} else {
|
|
trackOptions.userId = metaMetricsId
|
|
}
|
|
|
|
return new Promise((resolve, reject) => {
|
|
// This is only safe to do because we are no longer batching events through segment.
|
|
// If flushAt is greater than one the callback won't be triggered until after a number
|
|
// of events have been queued equal to the flushAt value OR flushInterval passes. The
|
|
// default flushInterval is ten seconds
|
|
const callback = (err) => {
|
|
if (err) {
|
|
return reject(err)
|
|
}
|
|
return resolve()
|
|
}
|
|
|
|
if (matomoEvent === true) {
|
|
segmentLegacy.track(trackOptions, callback)
|
|
} else {
|
|
segment.track(trackOptions, callback)
|
|
}
|
|
})
|
|
}
|
|
}
|