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/* eslint camelcase: 0 */
const ethUtil = require('ethereumjs-util')
const inDevelopment = process.env.NODE_ENV === 'development'
const METAMETRICS_BASE_URL = 'https://chromeextensionmm.innocraft.cloud/piwik.php'
const METAMETRICS_REQUIRED_PARAMS = `?idsite=${inDevelopment ? 1 : 2}&rec=1&apiv=1`
const METAMETRICS_BASE_FULL = METAMETRICS_BASE_URL + METAMETRICS_REQUIRED_PARAMS
const METAMETRICS_TRACKING_URL = inDevelopment
? 'http://www.metamask.io/metametrics'
: 'http://www.metamask.io/metametrics-prod'
/** ***************Custom variables*************** **/
// Custon variable declarations
const METAMETRICS_CUSTOM_GAS_LIMIT_CHANGE = 'gasLimitChange'
const METAMETRICS_CUSTOM_GAS_PRICE_CHANGE = 'gasPriceChange'
const METAMETRICS_CUSTOM_FUNCTION_TYPE = 'functionType'
const METAMETRICS_CUSTOM_RECIPIENT_KNOWN = 'recipientKnown'
const METAMETRICS_CUSTOM_CONFIRM_SCREEN_ORIGIN = 'origin'
const METAMETRICS_CUSTOM_FROM_NETWORK = 'fromNetwork'
const METAMETRICS_CUSTOM_TO_NETWORK = 'toNetwork'
const METAMETRICS_CUSTOM_ERROR_FIELD = 'errorField'
const METAMETRICS_CUSTOM_ERROR_MESSAGE = 'errorMessage'
const METAMETRICS_CUSTOM_RPC_NETWORK_ID = 'networkId'
const METAMETRICS_CUSTOM_RPC_CHAIN_ID = 'chainId'
const METAMETRICS_CUSTOM_GAS_CHANGED = 'gasChanged'
const METAMETRICS_CUSTOM_ASSET_SELECTED = 'assetSelected'
const customVariableNameIdMap = {
[METAMETRICS_CUSTOM_FUNCTION_TYPE]: 1,
[METAMETRICS_CUSTOM_RECIPIENT_KNOWN]: 2,
[METAMETRICS_CUSTOM_CONFIRM_SCREEN_ORIGIN]: 3,
[METAMETRICS_CUSTOM_GAS_LIMIT_CHANGE]: 4,
[METAMETRICS_CUSTOM_GAS_PRICE_CHANGE]: 5,
[METAMETRICS_CUSTOM_FROM_NETWORK]: 1,
[METAMETRICS_CUSTOM_TO_NETWORK]: 2,
[METAMETRICS_CUSTOM_RPC_NETWORK_ID]: 1,
[METAMETRICS_CUSTOM_RPC_CHAIN_ID]: 2,
[METAMETRICS_CUSTOM_ERROR_FIELD]: 3,
[METAMETRICS_CUSTOM_ERROR_MESSAGE]: 4,
[METAMETRICS_CUSTOM_GAS_CHANGED]: 1,
[METAMETRICS_CUSTOM_ASSET_SELECTED]: 2,
}
/** ********************************************************** **/
const METAMETRICS_CUSTOM_NETWORK = 'network'
const METAMETRICS_CUSTOM_ENVIRONMENT_TYPE = 'environmentType'
const METAMETRICS_CUSTOM_ACTIVE_CURRENCY = 'activeCurrency'
const METAMETRICS_CUSTOM_ACCOUNT_TYPE = 'accountType'
const METAMETRICS_CUSTOM_NUMBER_OF_TOKENS = 'numberOfTokens'
const METAMETRICS_CUSTOM_NUMBER_OF_ACCOUNTS = 'numberOfAccounts'
const customDimensionsNameIdMap = {
[METAMETRICS_CUSTOM_NETWORK]: 5,
[METAMETRICS_CUSTOM_ENVIRONMENT_TYPE]: 6,
[METAMETRICS_CUSTOM_ACTIVE_CURRENCY]: 7,
[METAMETRICS_CUSTOM_ACCOUNT_TYPE]: 8,
[METAMETRICS_CUSTOM_NUMBER_OF_TOKENS]: 9,
[METAMETRICS_CUSTOM_NUMBER_OF_ACCOUNTS]: 10,
}
function composeUrlRefParamAddition (previousPath, confirmTransactionOrigin) {
const externalOrigin = confirmTransactionOrigin && confirmTransactionOrigin !== 'MetaMask'
return `&urlref=${externalOrigin ? 'EXTERNAL' : encodeURIComponent(previousPath.replace(/chrome-extension:\/\/\w+/, METAMETRICS_TRACKING_URL))}`
}
// composes query params of the form &dimension[0-999]=[value]
function composeCustomDimensionParamAddition (customDimensions) {
const customDimensionParamStrings = Object.keys(customDimensions).reduce((acc, name) => {
return [...acc, `dimension${customDimensionsNameIdMap[name]}=${customDimensions[name]}`]
}, [])
return `&${customDimensionParamStrings.join('&')}`
}
// composes query params in form: &cvar={[id]:[[name],[value]]}
// Example: &cvar={"1":["OS","iphone 5.0"],"2":["Matomo Mobile Version","1.6.2"],"3":["Locale","en::en"],"4":["Num Accounts","2"]}
function composeCustomVarParamAddition (customVariables) {
const customVariableIdValuePairs = Object.keys(customVariables).reduce((acc, name) => {
return {
[customVariableNameIdMap[name]]: [name, customVariables[name]],
...acc,
}
}, {})
return `&cvar=${encodeURIComponent(JSON.stringify(customVariableIdValuePairs))}`
}
function composeParamAddition (paramValue, paramName) {
return paramValue !== 0 && !paramValue
? ''
: `&${paramName}=${paramValue}`
}
/**
* @name composeUrl
* @param {Object} config - configuration object for composing the metametrics url
* @property {object} config.eventOpts Object containing event category, action and name descriptors
* @property {object} config.customVariables Object containing custom properties with values relevant to a specific event
* @property {object} config.pageOpts Objects containing information about a page/route the event is dispatched from
* @property {number} config.network The selected network of the user when the event occurs
* @property {string} config.environmentType The "environment" the user is using the app from: 'popup', 'notification' or 'fullscreen'
* @property {string} config.activeCurrency The current the user has select as their primary currency at the time of the event
* @property {string} config.accountType The account type being used at the time of the event: 'hardware', 'imported' or 'default'
* @property {number} config.numberOfTokens The number of tokens that the user has added at the time of the event
* @property {number} config.numberOfAccounts The number of accounts the user has added at the time of the event
* @property {string} config.previousPath The location path the user was on prior to the path they are on at the time of the event
* @property {string} config.currentPath The location path the user is on at the time of the event
* @property {string} config.metaMetricsId A random id assigned to a user at the time of opting in to metametrics. A hexadecimal number
* @property {string} config.confirmTransactionOrigin The origin on a transaction
* @property {string} config.url The url to track an event at. Overrides `currentPath`
* @property {boolean} config.excludeMetaMetricsId Whether or not the tracked event data should be associated with a metametrics id
* @property {boolean} config.isNewVisit Whether or not the event should be tracked as a new visit/user sessions
* @returns {String} Returns a url to be passed to fetch to make the appropriate request to matomo.
* Example: https://chromeextensionmm.innocraft.cloud/piwik.php?idsite=1&rec=1&apiv=1&e_c=Navigation&e_a=Home&e_n=Clicked%20Send:%20Eth&urlref=http%3A%2F%2Fwww.metamask.io%2Fmetametrics%2Fhome.html%23send&dimension5=3&dimension6=fullscreen&dimension7=ETH&dimension8=default&dimension9=0&dimension10=3&url=http%3A%2F%2Fwww.metamask.io%2Fmetametrics%2Fhome.html%23&_id=49c10aff19795e9a&rand=7906028754863992&pv_id=53acad&uid=49c1
*/
function composeUrl (config) {
const {
eventOpts = {},
customVariables = '',
pageOpts = '',
network,
environmentType,
activeCurrency,
accountType,
numberOfTokens,
numberOfAccounts,
previousPath = '',
currentPath,
metaMetricsId,
confirmTransactionOrigin,
url: configUrl,
excludeMetaMetricsId,
isNewVisit,
} = config
const base = METAMETRICS_BASE_FULL
const e_c = composeParamAddition(eventOpts.category, 'e_c')
const e_a = composeParamAddition(eventOpts.action, 'e_a')
const e_n = composeParamAddition(eventOpts.name, 'e_n')
const new_visit = isNewVisit ? `&new_visit=1` : ''
const cvar = customVariables && composeCustomVarParamAddition(customVariables) || ''
const action_name = ''
const urlref = previousPath && composeUrlRefParamAddition(previousPath, confirmTransactionOrigin)
const dimensions = !pageOpts.hideDimensions ? composeCustomDimensionParamAddition({
network,
environmentType,
activeCurrency,
accountType,
numberOfTokens: customVariables && customVariables.numberOfTokens || numberOfTokens,
numberOfAccounts: customVariables && customVariables.numberOfAccounts || numberOfAccounts,
}) : ''
const url = configUrl || currentPath ? `&url=${encodeURIComponent(currentPath.replace(/chrome-extension:\/\/\w+/, METAMETRICS_TRACKING_URL))}` : ''
const _id = metaMetricsId && !excludeMetaMetricsId ? `&_id=${metaMetricsId.slice(2, 18)}` : ''
const rand = `&rand=${String(Math.random()).slice(2)}`
const pv_id = (url || currentPath) && `&pv_id=${ethUtil.bufferToHex(ethUtil.sha3(url || currentPath.match(/chrome-extension:\/\/\w+\/(.+)/)[0])).slice(2, 8)}` || ''
const uid = metaMetricsId && !excludeMetaMetricsId
? `&uid=${metaMetricsId.slice(2, 18)}`
: excludeMetaMetricsId
? '&uid=0000000000000000'
: ''
return [ base, e_c, e_a, e_n, cvar, action_name, urlref, dimensions, url, _id, rand, pv_id, uid, new_visit ].join('')
}
export function sendMetaMetricsEvent (config, permissionPreferences) {
return fetch(composeUrl(config, permissionPreferences), {
'headers': {},
'method': 'GET',
})
}
export function verifyUserPermission (config, props) {
const {
eventOpts = {},
} = config
const { userPermissionPreferences } = props
const {
allowAll,
allowNone,
allowSendMetrics,
} = userPermissionPreferences
if (allowNone) {
return false
} else if (allowAll) {
return true
} else if (allowSendMetrics && eventOpts.name === 'send') {
return true
} else {
return false
}
}
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])
}
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