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index.js
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index.js
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const crypto = require('crypto')
const http = require('http')
const https = require('https')
const querystring = require('querystring')
const url = require('url')
const braveCrypto = require('brave-crypto')
const passphraseUtil = braveCrypto.passphrase
const anonize = require('node-anonize2-relic-emscripten')
const backoff = require('@ambassify/backoff-strategies')
const balance = require('bat-balance')
const Joi = require('joi')
const random = require('brave-crypto/random-lib')
const { sign } = require('http-request-signature')
const stringify = require('json-stable-stringify')
const underscore = require('underscore')
const uuid = require('uuid')
const SEED_LENGTH = 32
const BATCH_SIZE = 10
const HKDF_SALT = new Uint8Array([ 126, 244, 99, 158, 51, 68, 253, 80, 133, 183, 51, 180, 77, 62, 74, 252, 62, 106, 96, 125, 241, 110, 134, 87, 190, 208, 158, 84, 125, 69, 246, 207, 162, 247, 107, 172, 37, 34, 53, 246, 105, 20, 215, 5, 248, 154, 179, 191, 46, 17, 6, 72, 210, 91, 10, 169, 145, 248, 22, 147, 117, 24, 105, 12 ])
const LEDGER_SERVERS = {
'staging': {
v1: 'https://ledger-staging.brave.com',
v2: 'https://ledger-staging.mercury.basicattentiontoken.org'
},
'production': {
v1: 'https://ledger.brave.com',
v2: 'https://ledger.mercury.basicattentiontoken.org'
}
}
const PUBLISHER_HOSTS = {
'staging': {
v1: 'publishers-staging.basicattentiontoken.org',
v2: 'publishers-staging.basicattentiontoken.org'
},
'production': {
v1: 'publishers.basicattentiontoken.org',
v2: 'publishers.basicattentiontoken.org'
}
}
const Client = function (personaId, options, state) {
if (!(this instanceof Client)) return new Client(personaId, options, state)
const self = this
const now = underscore.now()
const later = now + (15 * msecs.minute)
self.options = underscore.defaults(underscore.clone(options || {}),
{ version: 'v1', debugP: false, loggingP: false, verboseP: false })
const env = self.options.environment || 'production'
const version = self.options.version || 'v2'
underscore.defaults(self.options,
{ server: LEDGER_SERVERS[env][version],
prefix: '/' + self.options.version
})
underscore.keys(self.options).forEach(function (option) {
if ((option.lastIndexOf('P') + 1) === option.length) self.options[option] = Client.prototype.boolion(self.options[option])
})
if (typeof self.options.server === 'string') {
self.options.server = url.parse(self.options.server)
if (!self.options.server) throw new Error('invalid options.server')
}
if (typeof self.options.roundtrip !== 'undefined') {
if (typeof self.options.roundtrip !== 'function') throw new Error('invalid roundtrip option (must be a function)')
self._innerTrip = self.options.roundtrip.bind(self)
self.roundtrip = function (params, callback) { self._innerTrip(params, self.options, callback) }
} else if (self.options.debugP) self.roundtrip = self._roundTrip
else throw new Error('security audit requires options.roundtrip for non-debug use')
self._retryTrip = self._retryTrip.bind(self)
if (self.options.debugP) console.log(JSON.stringify(self.options, null, 2))
// Workaround #20
if (state && state.properties && state.properties.wallet && state.properties.wallet.keyinfo) {
let seed = state.properties.wallet.keyinfo.seed
if (!(seed instanceof Uint8Array)) {
seed = new Uint8Array(Object.values(seed))
}
state.properties.wallet.keyinfo.seed = seed
}
self.state = underscore.defaults(state || {}, { personaId: personaId, options: self.options, ballots: [], batch: {}, transactions: [] })
self.logging = []
if ((self.state.updatesStamp) && (self.state.updatesStamp > later)) {
self.state.updatesStamp = later
if (self.options.verboseP) self.state.updatesDate = new Date(self.state.updatesStamp)
}
if (self.state.wallet) throw new Error('deprecated state (alpha) format')
this.seqno = 0
this.callbacks = {}
}
const msecs = {
day: 24 * 60 * 60 * 1000,
hour: 60 * 60 * 1000,
minute: 60 * 1000,
second: 1000
}
Client.prototype.sync = function (callback) {
const self = this
const now = underscore.now()
let ballot, ballots, i, memo, transaction, updateP
if (typeof callback !== 'function') throw new Error('sync missing callback parameter')
if (!self.state.properties) self.state.properties = {}
if ((self.state.reconcileStamp === null) || (isNaN(self.state.reconcileStamp))) {
memo = { prevoiusStamp: self.state.reconcileStamp }
self.state.reconcileStamp = now + (14 * msecs.day)
memo.reconcileStamp = self.state.reconcileStamp
memo.reconcileDate = new Date(self.state.reconcileStamp)
self.memo('sync', memo)
self._log('sync', { reconcileStamp: self.state.reconcileStamp })
self.setTimeUntilReconcile(self.state.reconcileStamp)
}
// the caller is responsible for checking that the reconcileStamp is too historic...
if ((self.state.properties.days) && (self.state.reconcileStamp > (now + (self.state.properties.days * msecs.day)))) {
self._log('sync', { reconcileStamp: self.state.reconcileStamp })
return self.setTimeUntilReconcile(null, callback)
}
if (self.state.verifiedPublishers) {
delete self.state.verifiedPublishers
self.state.updatesStamp = now - 1
if (self.options.verboseP) self.state.updatesDate = new Date(self.state.updatesStamp)
}
if (!self.credentials) self.credentials = {}
if (!self.state.persona) return self._registerPersona(callback)
self.credentials.persona = new anonize.Credential(self.state.persona)
if (self.options.verboseP) console.log('+++ busyP=' + self.busyP())
ballots = self.state.ballots
if (ballots && ballots.length > 0) {
ballots = underscore.shuffle(ballots)
let prepareTransaction = null
const batchProof = []
const transactions = self.state.transactions
ballots.every(ballot => {
if (ballot.prepareBallot && ballot.proofBallot) return true
const transaction = transactions.find(transaction => {
return transaction.credential && ballot.viewingId === transaction.viewingId
})
if (!transaction) return true
if (!ballot.prepareBallot) {
prepareTransaction = transaction
return false
}
batchProof.push({
transaction,
ballot
})
return true
})
if (prepareTransaction) {
return self._prepareBatch(prepareTransaction, callback)
}
if (batchProof.length > 0) {
return self._proofBatch(batchProof, callback)
}
}
if (ballots && ballots.length > 0 && (!self.state.batch || Object.keys(self.state.batch).length === 0)) {
return self._prepareVoteBatch(callback)
}
if (self.state.batch && Object.keys(self.state.batch).length > 0) {
return self._voteBatch(callback)
}
transaction = underscore.find(self.state.transactions, function (transaction) {
if ((transaction.credential) || (transaction.ballots)) return
try { return self._registerViewing(transaction.viewingId, callback) } catch (ex) {
self._log('_registerViewing', { errP: 1, message: ex.toString(), stack: ex.stack })
}
})
if (self.state.currentReconcile) return self._currentReconcile(callback)
for (i = self.state.transactions.length - 1; i > 0; i--) {
transaction = self.state.transactions[i]
ballot = underscore.find(self.state.ballots, function (ballot) { return (ballot.viewingId === transaction.viewingId) })
if ((transaction.count === transaction.votes) && (!!transaction.credential) && (!ballot)) {
self.state.transactions[i] = underscore.omit(transaction, [ 'credential', 'surveyorIds', 'err' ])
updateP = true
}
}
if (updateP) {
self._log('sync', { delayTime: msecs.minute })
return callback(null, self.state, msecs.minute)
}
self._log('sync', { result: true })
return true
}
const propertyList = [ 'setting', 'days', 'fee' ]
Client.prototype.getBraveryProperties = function () {
const errP = !this.state.properties
this._log('getBraveryProperties', { errP: errP, result: underscore.pick(this.state.properties || {}, propertyList) })
if (errP) throw new Error('Ledger client initialization incomplete.')
return underscore.pick(this.state.properties, propertyList)
}
Client.prototype.setBraveryProperties = function (properties, callback) {
const self = this
if (typeof callback !== 'function') throw new Error('setBraveryProperties missing callback parameter')
properties = underscore.pick(properties, propertyList)
self._log('setBraveryProperties', properties)
underscore.defaults(self.state.properties, properties)
callback(null, self.state)
}
Client.prototype.getPaymentId = function () {
const paymentId = this.state.properties && this.state.properties.wallet && this.state.properties.wallet.paymentId
this._log('getPaymentId')
return paymentId
}
Client.prototype.getWalletAddress = function () {
const wallet = this.state.properties && this.state.properties.wallet
this._log('getWalletAddress')
if (!wallet) return
if ((wallet.addresses) && (wallet.addresses.BAT)) return wallet.addresses.BAT
return wallet.address
}
Client.prototype.getWalletAddresses = function () {
const wallet = this.state.properties && this.state.properties.wallet
let addresses
this._log('getWalletAddresses')
if (!wallet) return
addresses = underscore.extend({}, wallet.addresses)
if (wallet.address) addresses.BTC = wallet.address
return addresses
}
Client.prototype.getWalletProperties = function (amount, currency, callback) {
const self = this
const prefix = self.options.prefix + '/wallet/'
let params, errP, path, suffix
if (typeof amount === 'function') {
callback = amount
amount = null
currency = null
} else if (typeof currency === 'function') {
callback = currency
currency = null
}
if (typeof callback !== 'function') throw new Error('getWalletProperties missing callback parameter')
errP = (!self.state.properties) || (!self.state.properties.wallet)
self._log('getWalletProperties', { errP: errP })
if (errP) throw new Error('Ledger client initialization incomplete.')
if ((!self.state.currentReconcile) && (self.state.reconcileStamp) && (self.state.reconcileStamp > underscore.now())) {
params = underscore.pick(self.state.properties.wallet, ['addresses', 'paymentId'])
}
if (params) {
balance.getProperties(params, self.options, (err, provider, result) => {
self._log('getWalletProperties', { method: 'GET', path: 'getProperties', errP: !!err })
if (err) return callback(err)
if (!result.addresses) result.addresses = underscore.clone(self.state.properties.wallet.addresses)
callback(null, result)
})
return
}
suffix = '?balance=true&' + self._getWalletParams({ amount: amount, currency: currency })
path = prefix + self.state.properties.wallet.paymentId + suffix
self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, body) {
self._log('getWalletProperties', { method: 'GET', path: prefix + '...' + suffix, errP: !!err })
if (err) return callback(err)
callback(null, body)
})
}
Client.prototype.setTimeUntilReconcile = function (timestamp, callback) {
const now = underscore.now()
if ((!timestamp) || (timestamp < now)) {
let days = 30
if (this.state && this.state.properties && this.state.properties.days) {
days = this.state.properties.days
}
timestamp = now + (days * msecs.day)
}
this.state.reconcileStamp = timestamp
if (this.options.verboseP) this.state.reconcileDate = new Date(this.state.reconcileStamp)
if (callback) {
callback(null, this.state)
}
}
Client.prototype.timeUntilReconcile = function (synopsis, fuzzyCallback) {
if (!this.state.reconcileStamp) {
this._log('timeUntilReconcile', { errP: true })
throw new Error('Ledger client initialization incomplete.')
}
if (this.state.currentReconcile) {
this._log('timeUntilReconcile', { reason: 'already reconciling', reconcileStamp: this.state.reconcileStamp })
return false
}
this._fuzzing(synopsis, fuzzyCallback)
return (this.state.reconcileStamp - underscore.now())
}
Client.prototype.isReadyToReconcile = function (synopsis, fuzzyCallback) {
const delayTime = this.timeUntilReconcile(synopsis, fuzzyCallback)
this._log('isReadyToReconcile', { delayTime: delayTime })
return ((typeof delayTime === 'boolean') ? delayTime : (delayTime <= 0))
}
Client.prototype.reconcile = function (viewingId, callback) {
const self = this
const prefix = self.options.prefix + '/surveyor/contribution/current/'
let delayTime, path, schema, validity
if (!callback) {
callback = viewingId
viewingId = null
}
if (typeof callback !== 'function') throw new Error('reconcile missing callback parameter')
try {
if (!self.state.reconcileStamp) throw new Error('Ledger client initialization incomplete.')
if (self.state.properties.setting === 'adFree') {
if (!viewingId) throw new Error('missing viewingId parameter')
schema = Joi.string().guid().required().description('opaque identifier for viewing submissions')
validity = Joi.validate(viewingId, schema)
if (validity.error) throw new Error(validity.error)
}
} catch (ex) {
this._log('reconcile', { errP: true })
throw ex
}
delayTime = this.state.reconcileStamp - underscore.now()
if (delayTime > 0) {
this._log('reconcile', { reason: 'not time to reconcile', delayTime: delayTime })
return callback(null, null, delayTime)
}
if (this.state.currentReconcile) {
delayTime = random.randomInt({ min: msecs.second, max: (this.options.debugP ? 1 : 10) * msecs.minute })
this._log('reconcile', { reason: 'already reconciling', delayTime: delayTime, reconcileStamp: this.state.reconcileStamp })
return callback(null, null, delayTime)
}
this._log('reconcile', { setting: self.state.properties.setting })
if (self.state.properties.setting !== 'adFree') {
throw new Error('setting not (yet) supported: ' + self.state.properties.setting)
}
path = prefix + self.credentials.persona.parameters.userId
self._retryTrip(self, { path: path, method: 'GET', useProxy: true }, function (err, response, body) {
const surveyorInfo = body
let i
self._log('reconcile', { method: 'GET', path: prefix + '...', errP: !!err })
if (err) return callback(err)
for (i = self.state.transactions.length - 1; i >= 0; i--) {
if (self.state.transactions[i].surveyorId !== surveyorInfo.surveyorId) continue
delayTime = random.randomInt({ min: msecs.second, max: (self.options.debugP ? 1 : 10) * msecs.minute })
self._log('reconcile',
{ reason: 'awaiting a new surveyorId', delayTime: delayTime, surveyorId: surveyorInfo.surveyorId })
return callback(null, null, delayTime)
}
self.state.currentReconcile = { viewingId: viewingId, surveyorInfo: surveyorInfo, timestamp: 0 }
self._log('reconcile', { delayTime: msecs.minute })
callback(null, self.state, msecs.minute)
})
}
Client.prototype.ballots = function (viewingId) {
let i, count, transaction
count = 0
for (i = this.state.transactions.length - 1; i >= 0; i--) {
transaction = this.state.transactions[i]
if ((transaction.votes < transaction.count) && ((transaction.viewingId === viewingId) || (!viewingId))) {
count += transaction.count - transaction.votes
}
}
return count
}
Client.prototype.vote = function (publisher, viewingId) {
let i, transaction
if (!publisher) throw new Error('missing publisher parameter')
for (i = this.state.transactions.length - 1; i >= 0; i--) {
transaction = this.state.transactions[i]
if (transaction.votes >= transaction.count) continue
if ((transaction.viewingId === viewingId) || (!viewingId)) break
}
if (i < 0) return
this.state.ballots.push({ viewingId: transaction.viewingId,
surveyorId: transaction.surveyorIds[transaction.votes],
publisher: publisher,
offset: transaction.votes
})
transaction.votes++
return this.state
}
Client.prototype.report = function () {
const entries = this.logging
this.logging = []
if (entries.length) return entries
}
Client.prototype.generateKeypair = function () {
const wallet = this.state.properties && this.state.properties.wallet
if (!wallet) {
if (!this.state.properties) this.state.properties = {}
this.state.properties.wallet = { keyinfo: { seed: braveCrypto.getSeed(SEED_LENGTH) } }
} else if (!wallet.keyinfo) {
throw new Error('invalid wallet')
}
return this.getKeypair()
}
Client.prototype.getKeypair = function () {
if (this.state && this.state.properties && this.state.properties.wallet &&
this.state.properties.wallet.keyinfo && this.state.properties.wallet.keyinfo.seed) {
return braveCrypto.deriveSigningKeysFromSeed(this.state.properties.wallet.keyinfo.seed, HKDF_SALT)
}
throw new Error('invalid or uninitialized wallet')
}
Client.prototype.getWalletPassphrase = function (state, options) {
if (!state) state = this.state
const wallet = state.properties && state.properties.wallet
this._log('getWalletPassphrase')
if (!wallet) return
if ((wallet.keyinfo) && (wallet.keyinfo.seed)) {
const seed = Buffer.from(wallet.keyinfo.seed)
const passPhrase = passphraseUtil.fromBytesOrHex(seed, options && options.useNiceware)
return passPhrase && passPhrase.split(' ')
}
}
Client.prototype.recoverKeypair = function (passPhrase) {
var seed
this._log('recoverKeypair')
try {
seed = Buffer.from(passphraseUtil.toBytes32(passPhrase))
} catch (ex) {
throw new Error('invalid passphrase:' + ex.toString())
}
if (seed && seed.length === SEED_LENGTH) {
if (!this.state.properties) this.state.properties = {}
this.state.properties.wallet = { keyinfo: { seed: seed } }
} else {
throw new Error('internal error, seed returned is invalid')
}
return this.getKeypair()
}
Client.prototype.isValidPassPhrase = function (passPhrase) {
if (!passPhrase || typeof passPhrase !== 'string') {
return false
}
try {
passphraseUtil.toBytes32(passPhrase)
} catch (ex) {
this.memo('isValidPassPhrase', ex.toString())
return false
}
return true
}
Client.prototype.recoverWallet = function (recoveryId, passPhrase, callback) {
const self = this
let path, keypair
try {
keypair = this.recoverKeypair(passPhrase)
} catch (ex) {
return callback(ex)
}
path = '/v2/wallet?publicKey=' + braveCrypto.uint8ToHex(keypair.publicKey)
self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, body) {
if (err) return callback(err)
self._log('recoverWallet', body)
if (!body.paymentId) return callback(new Error('invalid response'))
recoveryId = body.paymentId
path = '/v2/wallet/' + recoveryId
self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, body) {
self._log('recoverWallet', { method: 'GET', path: '/v2/wallet/...', errP: !!err })
if (err) return callback(err)
self._log('recoverWallet', body)
if (!body.addresses) return callback(new Error('invalid response'))
// yuck
const walletInfo = (self.state.properties && self.state.properties.wallet) || { }
self.state.properties.wallet = underscore.extend(walletInfo, { paymentId: recoveryId }, underscore.pick(body, [ 'addresses', 'altcurrency' ]))
return callback(null, self.state, underscore.omit(body, [ 'addresses', 'altcurrency' ]))
})
})
}
Client.prototype.busyP = function () {
const self = this
const then = new Date().getTime() - (15 * msecs.day)
let busyP = false
self.state.ballots.forEach((ballot) => {
const transaction = underscore.find(self.state.transactions, (transaction) => {
return (transaction.viewingId === ballot.viewingId)
})
if ((!transaction) || (!transaction.submissionStamp) || (!transaction.submissionStamp > then)) return
busyP = true
self._log('busyP', underscore.extend({ submissionStamp: transaction.submissionStamp }, ballot))
})
return busyP
}
Client.prototype.fetchPublisherInfo = function (callback) {
const self = this
if (self.options.version === 'v1') return
const path = '/api/v1/public/channels'
const hostname = PUBLISHER_HOSTS[self.options.environment][self.options.version]
self._retryTrip(self, { path: path, method: 'GET', altHostname: hostname, useProxy: false }, function (err, response, body) {
self._log('verifiedPublishers', { method: 'GET', path: path, errP: !!err })
if (err) return callback(err)
callback(null, body)
})
}
Client.prototype.publisherTimestamp = function (callback) {
const self = this
let path
if (self.options.version === 'v1') return
path = '/v3/publisher/timestamp'
self._retryTrip(self, { path: path, method: 'GET', useProxy: true }, function (err, response, body) {
self._log('publisherInfo', { method: 'GET', path: path, errP: !!err })
if (err) return callback(err)
callback(null, body)
})
}
Client.prototype.memo = function (who, args) {
let what
if (!this.state.memos) this.state.memos = []
if (this.state.memos.length > 10) this.state.memos.splice(0, this.state.memos.length - 10)
if (typeof args !== 'object') {
what = {reason: args}
} else {
what = args
}
this.state.memos.push(JSON.stringify({ who: who, what: what || {}, when: underscore.now() }))
this._log(who, args)
}
Client.prototype.getPromotion = function (lang, forPaymentId, callback) {
const self = this
let path, params, paymentId
params = {}
if (self.options.version === 'v1') return
if (!callback) {
callback = lang
lang = null
if (typeof callback !== 'function') throw new Error('getPromotion missing callback parameter')
}
path = '/v2/grants'
if (lang) params.lang = lang
if (forPaymentId) {
params.paymentId = paymentId = forPaymentId
} else {
paymentId = self.state && self.state.properties && self.state.properties.wallet && self.state.properties.wallet.paymentId
if (paymentId) params.paymentId = paymentId
}
if ((lang) || (paymentId)) path += '?' + querystring.stringify(params)
self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, body) {
self._log('getPromotion', { method: 'GET', path: path, errP: !!err })
if (err) return callback(err)
callback(null, body)
})
}
Client.prototype.setPromotion = function (promotionId, captchaResponse, callback) {
const self = this
let path
if (self.options.version === 'v1') return
path = '/v2/grants/' + self.state.properties.wallet.paymentId
self._retryTrip(self, { path: path, method: 'PUT', payload: { promotionId, captchaResponse } }, function (err, response, body) {
self._log('setPromotion', { method: 'PUT', path: path, errP: !!err })
if (err) return callback(err, null, response)
callback(null, body)
})
}
Client.prototype.getPromotionCaptcha = function (promotionId, callback) {
const self = this
const path = '/v2/captchas/' + self.state.properties.wallet.paymentId
self._retryTrip(self, { path: path, method: 'GET', binaryP: true }, function (err, response, body) {
self._log('getPromotionCaptcha', { method: 'GET', path: path, errP: !!err })
if (err) return callback(err, null, response)
callback(null, body, response)
})
}
/*
*
* internal functions
*
*/
Client.prototype._registerPersona = function (callback) {
const self = this
const prefix = self.options.prefix + '/registrar/persona'
let path
path = prefix
self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, body) {
let credential
let personaId = self.state.personaId || uuid.v4().toLowerCase()
self._log('_registerPersona', { method: 'GET', path: path, errP: !!err })
if (err) return callback(err)
credential = new anonize.Credential(personaId, body.registrarVK)
self.credentialRequest(credential, function (err, result) {
let body, keychains, keypair, octets, payload
if (err) return callback(err)
if (result.credential) credential = new anonize.Credential(result.credential)
if (self.options.version === 'v2') {
keypair = self.generateKeypair()
body = {
label: uuid.v4().toLowerCase(),
currency: 'BAT',
publicKey: braveCrypto.uint8ToHex(keypair.publicKey)
}
octets = stringify(body)
var headers = {
digest: 'SHA-256=' + crypto.createHash('sha256').update(octets).digest('base64')
}
headers['signature'] = sign({
headers: headers,
keyId: 'primary',
secretKey: braveCrypto.uint8ToHex(keypair.secretKey)
}, { algorithm: 'ed25519' })
payload = {
requestType: 'httpSignature',
request: {
headers: headers,
body: body,
octets: octets
}
}
}
payload.proof = result.proof
path = prefix + '/' + credential.parameters.userId
self._retryTrip(self, { path: path, method: 'POST', payload: payload }, function (err, response, body) {
let configuration, currency, days, fee
self._log('_registerPersona', { method: 'POST', path: prefix + '/...', errP: !!err })
if (err) return callback(err)
self.credentialFinalize(credential, body.verification, function (err, result) {
if (err) return callback(err)
self.credentials.persona = new anonize.Credential(result.credential)
self.state.persona = result.credential
configuration = body.payload && body.payload.adFree
if (!configuration) {
self._log('_registerPersona', { error: 'persona registration missing adFree configuration' })
return callback(new Error('persona registration missing adFree configuration'))
}
currency = configuration.currency || 'USD'
days = configuration.days || 30
if (!configuration.fee[currency]) {
if (currency === 'USD') {
self._log('_registerPersona', { error: 'USD is not supported by the ledger' })
return callback(new Error('USD is not supported by the ledger'))
}
if (!configuration.fee.USD) {
self._log('_registerPersona', { error: 'neither ' + currency + ' nor USD are supported by the ledger' })
return callback(new Error('neither ' + currency + ' nor USD are supported by the ledger'))
}
currency = 'USD'
}
fee = { currency: currency, amount: configuration.fee[currency] }
// yuck
const walletInfo = (self.state.properties && self.state.properties.wallet) || { }
self.state.personaId = personaId
self.state.properties = { setting: 'adFree',
fee: fee,
days: days,
configuration: body.contributions,
wallet: underscore.extend(walletInfo, body.wallet, { keychains: keychains })
}
self.state.bootStamp = underscore.now()
if (self.options.verboseP) self.state.bootDate = new Date(self.state.bootStamp)
self.state.reconcileStamp = self.state.bootStamp + (self.state.properties.days * msecs.day)
if (self.options.verboseP) self.state.reconcileDate = new Date(self.state.reconcileStamp)
self._log('_registerPersona', { personaId: personaId, delayTime: msecs.minute })
callback(null, self.state, msecs.minute)
})
})
})
})
}
Client.prototype._currentReconcile = function (callback) {
const self = this
const amount = self.state.properties.fee.amount
const currency = self.state.properties.fee.currency
const prefix = self.options.prefix + '/wallet/'
const surveyorInfo = self.state.currentReconcile.surveyorInfo
const viewingId = self.state.currentReconcile.viewingId
let fee, path, rates, suffix
suffix = '?' + self._getWalletParams({ amount: amount, currency: currency })
path = prefix + self.state.properties.wallet.paymentId + suffix
self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, body) {
let alt, delayTime, keypair, octets, payload
self._log('_currentReconcile', { method: 'GET', path: prefix + '...?' + suffix, errP: !!err })
if (err) return callback(err)
if (!body.unsignedTx) {
if (body.rates[currency]) {
alt = (amount / body.rates[currency]).toFixed(4)
} else {
self._log('reconcile', { error: currency + ' no longer supported by the ledger' })
}
self.state.paymentInfo = underscore.extend(underscore.pick(body, [
'balance', 'buyURL', 'recurringURL', 'satoshis', 'altcurrency', 'probi'
]),
{
address: self.state.properties.wallet.addresses && self.state.properties.wallet.addresses.BAT
? self.state.properties.wallet.addresses.BAT : self.state.properties.wallet.address,
addresses: self.state.properties.wallet.addresses,
amount: amount,
currency: currency
})
self.state.paymentInfo[body.altcurrency ? body.altcurrency : 'btc'] = alt
delayTime = random.randomInt({ min: msecs.second, max: (self.options.debugP ? 1 : 10) * msecs.minute })
self._log('_currentReconcile', { reason: 'balance < btc', balance: body.balance, alt: alt, delayTime: delayTime })
return callback(null, self.state, delayTime)
}
const reconcile = (params) => {
path = prefix + self.state.properties.wallet.paymentId
payload = underscore.extend({ viewingId: viewingId, surveyorId: surveyorInfo.surveyorId }, params)
self._retryTrip(self, { path: path, method: 'PUT', payload: payload }, function (err, response, body) {
let transaction
self._log('_currentReconcile', { method: 'PUT', path: prefix + '...', errP: !!err })
delete self.state.currentReconcile
if (err) return callback(err)
transaction = { viewingId: viewingId,
surveyorId: surveyorInfo.surveyorId,
contribution: {
fiat: { amount: amount, currency: currency },
rates: rates,
satoshis: body.satoshis,
altcurrency: body.altcurrency,
probi: body.probi,
fee: fee
},
submissionStamp: body.paymentStamp,
submissionDate: self.options.verboseP ? new Date(body.paymentStamp) : undefined,
submissionId: body.hash
}
self.state.transactions.push(transaction)
self.state.reconcileStamp = underscore.now() + (self.state.properties.days * msecs.day)
if (self.options.verboseP) self.state.reconcileDate = new Date(self.state.reconcileStamp)
self._log('_currentReconcile', { delayTime: msecs.minute })
callback(null, self.state, msecs.minute)
})
}
fee = body.unsignedTx.fee
rates = body.rates
if (body.altcurrency) {
keypair = self.getKeypair()
octets = stringify(body.unsignedTx)
var headers = {
digest: 'SHA-256=' + crypto.createHash('sha256').update(octets).digest('base64')
}
headers['signature'] = sign({
headers: headers,
keyId: 'primary',
secretKey: braveCrypto.uint8ToHex(keypair.secretKey)
}, { algorithm: 'ed25519' })
payload = {
requestType: 'httpSignature',
signedTx: {
headers: headers,
body: body.unsignedTx,
octets: octets
}
}
return reconcile(payload)
}
})
}
Client.prototype._registerViewing = function (viewingId, callback) {
const self = this
const prefix = self.options.prefix + '/registrar/viewing'
let path = prefix
self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, body) {
let credential
self._log('_registerViewing', { method: 'GET', path: path, errP: !!err })
if (err) return callback(err)
credential = new anonize.Credential(viewingId, body.registrarVK)
self.credentialRequest(credential, function (err, result) {
if (err) return callback(err)
if (result.credential) credential = new anonize.Credential(result.credential)
path = prefix + '/' + credential.parameters.userId
self._retryTrip(self, { path: path, method: 'POST', payload: { proof: result.proof } }, function (err, response, body) {
let i
self._log('_registerViewing', { method: 'POST', path: prefix + '/...', errP: !!err })
if (err) return callback(err)
self.credentialFinalize(credential, body.verification, function (err, result) {
if (err) return callback(err)
for (i = self.state.transactions.length - 1; i >= 0; i--) {
if (self.state.transactions[i].viewingId !== viewingId) continue
// NB: use of `underscore.extend` requires that the parameter be `self.state.transactions[i]`
underscore.extend(self.state.transactions[i],
{ credential: result.credential,
surveyorIds: body.surveyorIds,
count: body.surveyorIds.length,
satoshis: body.satoshis,
altcurrency: body.altcurrency,
probi: body.probi,
votes: 0
})
self._log('_registerViewing', { delayTime: msecs.minute })
return callback(null, self.state, msecs.minute)
}
callback(new Error('viewingId ' + viewingId + ' not found in transaction list'))
})
})
})
})
}
Client.prototype._prepareBatch = function (transaction, callback) {
const self = this
const ballots = self.state.ballots
const transactions = self.state.transactions || []
if (!transaction) {
return callback(new Error('_prepareBatch: transaction is null'))
}
const credential = new anonize.Credential(transaction.credential)
const uId = credential.parameters.userId
if (!uId) {
return callback(new Error('_prepareBatch: uId is empty'))
}
let path = self.options.prefix + '/batch/surveyor/voting/' + uId
self._retryTrip(self, { path, method: 'GET', useProxy: true }, function (err, response, body) {
self._log('_prepareBatch', { method: 'GET', path, errP: !!err })
if (err) return callback(err)