1 | const crypto = require('crypto')
|
2 | const http = require('http')
|
3 | const https = require('https')
|
4 | const path = require('path')
|
5 | const querystring = require('querystring')
|
6 | const url = require('url')
|
7 | const braveCrypto = require('brave-crypto')
|
8 | const passphraseUtil = braveCrypto.passphrase
|
9 |
|
10 | const anonize = require('node-anonize2-relic-emscripten')
|
11 | const backoff = require('@ambassify/backoff-strategies')
|
12 | const balance = require('bat-balance')
|
13 | const Joi = require('joi')
|
14 | const random = require('random-lib')
|
15 | const { sign } = require('http-request-signature')
|
16 | const stringify = require('json-stable-stringify')
|
17 | const underscore = require('underscore')
|
18 | const uuid = require('uuid')
|
19 |
|
20 | const batPublisher = require('bat-publisher')
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21 |
|
22 | const SEED_LENGTH = 32
|
23 | const BATCH_SIZE = 10
|
24 | 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 ])
|
25 | const LEDGER_SERVERS = {
|
26 | 'staging': {
|
27 | v1: 'https://ledger-staging.brave.com',
|
28 | v2: 'https://ledger-staging.mercury.basicattentiontoken.org'
|
29 | },
|
30 | 'production': {
|
31 | v1: 'https://ledger.brave.com',
|
32 | v2: 'https://ledger.mercury.basicattentiontoken.org'
|
33 | }
|
34 | }
|
35 |
|
36 | const Client = function (personaId, options, state) {
|
37 | if (!(this instanceof Client)) return new Client(personaId, options, state)
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38 |
|
39 | const self = this
|
40 |
|
41 | const now = underscore.now()
|
42 | const later = now + (15 * msecs.minute)
|
43 |
|
44 | self.options = underscore.defaults(underscore.clone(options || {}),
|
45 | { version: 'v1', debugP: false, loggingP: false, verboseP: false })
|
46 |
|
47 | const env = self.options.environment || 'production'
|
48 | const version = self.options.version || 'v2'
|
49 | underscore.defaults(self.options,
|
50 | { server: LEDGER_SERVERS[env][version],
|
51 | prefix: '/' + self.options.version
|
52 | })
|
53 | underscore.keys(self.options).forEach(function (option) {
|
54 | if ((option.lastIndexOf('P') + 1) === option.length) self.options[option] = Client.prototype.boolion(self.options[option])
|
55 | })
|
56 | if (typeof self.options.server === 'string') {
|
57 | self.options.server = url.parse(self.options.server)
|
58 | if (!self.options.server) throw new Error('invalid options.server')
|
59 | }
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60 |
|
61 | if (typeof self.options.roundtrip !== 'undefined') {
|
62 | if (typeof self.options.roundtrip !== 'function') throw new Error('invalid roundtrip option (must be a function)')
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63 |
|
64 | self._innerTrip = self.options.roundtrip.bind(self)
|
65 | self.roundtrip = function (params, callback) { self._innerTrip(params, self.options, callback) }
|
66 | } else if (self.options.debugP) self.roundtrip = self._roundTrip
|
67 | else throw new Error('security audit requires options.roundtrip for non-debug use')
|
68 | self._retryTrip = self._retryTrip.bind(self)
|
69 | if (self.options.debugP) console.log(JSON.stringify(self.options, null, 2))
|
70 |
|
71 |
|
72 | if (state && state.properties && state.properties.wallet && state.properties.wallet.keyinfo) {
|
73 | let seed = state.properties.wallet.keyinfo.seed
|
74 | if (!(seed instanceof Uint8Array)) {
|
75 | seed = new Uint8Array(Object.values(seed))
|
76 | }
|
77 |
|
78 | state.properties.wallet.keyinfo.seed = seed
|
79 | }
|
80 | self.state = underscore.defaults(state || {}, { personaId: personaId, options: self.options, ballots: [], batch: {}, transactions: [] })
|
81 | self.logging = []
|
82 |
|
83 | if (self.options.rulesTestP) {
|
84 | self.state.updatesStamp = now - 1
|
85 | if (self.options.verboseP) self.state.updatesDate = new Date(self.state.updatesStamp)
|
86 | }
|
87 | if ((self.state.updatesStamp) && (self.state.updatesStamp > later)) {
|
88 | self.state.updatesStamp = later
|
89 | if (self.options.verboseP) self.state.updatesDate = new Date(self.state.updatesStamp)
|
90 | }
|
91 |
|
92 | if (self.state.wallet) throw new Error('deprecated state (alpha) format')
|
93 |
|
94 | this.seqno = 0
|
95 | this.callbacks = {}
|
96 | }
|
97 |
|
98 | const msecs = {
|
99 | day: 24 * 60 * 60 * 1000,
|
100 | hour: 60 * 60 * 1000,
|
101 | minute: 60 * 1000,
|
102 | second: 1000
|
103 | }
|
104 |
|
105 | Client.prototype.sync = function (callback) {
|
106 | const self = this
|
107 |
|
108 | const now = underscore.now()
|
109 | let ballot, ballots, i, memo, transaction, updateP
|
110 |
|
111 | if (typeof callback !== 'function') throw new Error('sync missing callback parameter')
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112 |
|
113 | if (!self.state.properties) self.state.properties = {}
|
114 | if ((self.state.reconcileStamp === null) || (isNaN(self.state.reconcileStamp))) {
|
115 | memo = { prevoiusStamp: self.state.reconcileStamp }
|
116 | self.state.reconcileStamp = now + (14 * msecs.day)
|
117 | memo.reconcileStamp = self.state.reconcileStamp
|
118 | memo.reconcileDate = new Date(self.state.reconcileStamp)
|
119 | self.memo('sync', memo)
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120 |
|
121 | self._log('sync', { reconcileStamp: self.state.reconcileStamp })
|
122 | self.setTimeUntilReconcile(self.state.reconcileStamp)
|
123 | }
|
124 |
|
125 | if ((self.state.properties.days) && (self.state.reconcileStamp > (now + (self.state.properties.days * msecs.day)))) {
|
126 | self._log('sync', { reconcileStamp: self.state.reconcileStamp })
|
127 | return self.setTimeUntilReconcile(null, callback)
|
128 | }
|
129 |
|
130 |
|
131 | if (self.state.ruleset) {
|
132 | self.state.ruleset.forEach(function (rule) {
|
133 | if (rule.consequent) return
|
134 |
|
135 | self.state.updatesStamp = now - 1
|
136 | if (self.options.verboseP) self.state.updatesDate = new Date(self.state.updatesStamp)
|
137 | })
|
138 | delete self.state.ruleset
|
139 | }
|
140 | if (!self.state.ruleset) {
|
141 | self.state.ruleset = [
|
142 | {
|
143 | condition: '/^[a-z][a-z].gov$/.test(SLD)',
|
144 | consequent: 'QLD + \'.\' + SLD',
|
145 | description: 'governmental sites'
|
146 | },
|
147 | {
|
148 | condition: "TLD === 'gov' || /^go.[a-z][a-z]$/.test(TLD) || /^gov.[a-z][a-z]$/.test(TLD)",
|
149 | consequent: 'SLD',
|
150 | description: 'governmental sites'
|
151 | },
|
152 | {
|
153 | condition: "SLD === 'keybase.pub'",
|
154 | consequent: 'QLD + \'.\' + SLD',
|
155 | description: 'keybase users'
|
156 | },
|
157 | {
|
158 | condition: true,
|
159 | consequent: 'SLD',
|
160 | description: 'the default rule'
|
161 | }
|
162 | ]
|
163 | }
|
164 | if (self.state.verifiedPublishers) {
|
165 | delete self.state.verifiedPublishers
|
166 | self.state.updatesStamp = now - 1
|
167 | if (self.options.verboseP) self.state.updatesDate = new Date(self.state.updatesStamp)
|
168 | }
|
169 |
|
170 |
|
171 | if ((self.credentials) && (!self.state.rulesV2Stamp)) {
|
172 | try {
|
173 | const bootstrap = require(path.join(__dirname, 'bootstrap'))
|
174 |
|
175 | underscore.extend(self.state, bootstrap)
|
176 | return callback(null, self.state, msecs.minute)
|
177 | } catch (ex) {}
|
178 | }
|
179 |
|
180 | if (self.state.updatesStamp < now) {
|
181 | return self._updateRules(function (err) {
|
182 | if (err) self._log('_updateRules', { message: err.toString() })
|
183 |
|
184 | self._log('sync', { delayTime: msecs.minute })
|
185 | callback(null, self.state, msecs.minute)
|
186 | })
|
187 | }
|
188 |
|
189 | if (!self.credentials) self.credentials = {}
|
190 |
|
191 | if (!self.state.persona) return self._registerPersona(callback)
|
192 | self.credentials.persona = new anonize.Credential(self.state.persona)
|
193 |
|
194 | if (self.options.verboseP) console.log('+++ busyP=' + self.busyP())
|
195 |
|
196 | ballots = self.state.ballots
|
197 | if (ballots && ballots.length > 0) {
|
198 | ballots = underscore.shuffle(ballots)
|
199 |
|
200 | let prepareTransaction = null
|
201 | const batchProof = []
|
202 | const transactions = self.state.transactions
|
203 | ballots.every(ballot => {
|
204 | if (ballot.prepareBallot && ballot.proofBallot) return true
|
205 |
|
206 | const transaction = transactions.find(transaction => {
|
207 | return transaction.credential && ballot.viewingId === transaction.viewingId
|
208 | })
|
209 |
|
210 | if (!transaction) return true
|
211 |
|
212 | if (!ballot.prepareBallot) {
|
213 | prepareTransaction = transaction
|
214 | return false
|
215 | }
|
216 |
|
217 | batchProof.push({
|
218 | transaction,
|
219 | ballot
|
220 | })
|
221 |
|
222 | return true
|
223 | })
|
224 |
|
225 | if (prepareTransaction) {
|
226 | return self._prepareBatch(prepareTransaction, callback)
|
227 | }
|
228 |
|
229 | if (batchProof.length > 0) {
|
230 | return self._proofBatch(batchProof, callback)
|
231 | }
|
232 | }
|
233 |
|
234 | if (ballots && ballots.length > 0 && (!self.state.batch || Object.keys(self.state.batch).length === 0)) {
|
235 | return self._prepareVoteBatch(callback)
|
236 | }
|
237 |
|
238 | if (self.state.batch && Object.keys(self.state.batch).length > 0) {
|
239 | return self._voteBatch(callback)
|
240 | }
|
241 |
|
242 | transaction = underscore.find(self.state.transactions, function (transaction) {
|
243 | if ((transaction.credential) || (transaction.ballots)) return
|
244 |
|
245 | try { return self._registerViewing(transaction.viewingId, callback) } catch (ex) {
|
246 | self._log('_registerViewing', { errP: 1, message: ex.toString(), stack: ex.stack })
|
247 | }
|
248 | })
|
249 |
|
250 | if (self.state.currentReconcile) return self._currentReconcile(callback)
|
251 |
|
252 | for (i = self.state.transactions.length - 1; i > 0; i--) {
|
253 | transaction = self.state.transactions[i]
|
254 | ballot = underscore.find(self.state.ballots, function (ballot) { return (ballot.viewingId === transaction.viewingId) })
|
255 |
|
256 | if ((transaction.count === transaction.votes) && (!!transaction.credential) && (!ballot)) {
|
257 | self.state.transactions[i] = underscore.omit(transaction, [ 'credential', 'surveyorIds', 'err' ])
|
258 | updateP = true
|
259 | }
|
260 | }
|
261 | if (updateP) {
|
262 | self._log('sync', { delayTime: msecs.minute })
|
263 | return callback(null, self.state, msecs.minute)
|
264 | }
|
265 |
|
266 | self._log('sync', { result: true })
|
267 | return true
|
268 | }
|
269 |
|
270 | const propertyList = [ 'setting', 'days', 'fee' ]
|
271 |
|
272 | Client.prototype.getBraveryProperties = function () {
|
273 | const errP = !this.state.properties
|
274 |
|
275 | this._log('getBraveryProperties', { errP: errP, result: underscore.pick(this.state.properties || {}, propertyList) })
|
276 | if (errP) throw new Error('Ledger client initialization incomplete.')
|
277 |
|
278 | return underscore.pick(this.state.properties, propertyList)
|
279 | }
|
280 |
|
281 | Client.prototype.setBraveryProperties = function (properties, callback) {
|
282 | const self = this
|
283 |
|
284 | if (typeof callback !== 'function') throw new Error('setBraveryProperties missing callback parameter')
|
285 |
|
286 | properties = underscore.pick(properties, propertyList)
|
287 | self._log('setBraveryProperties', properties)
|
288 |
|
289 | underscore.defaults(self.state.properties, properties)
|
290 | callback(null, self.state)
|
291 | }
|
292 |
|
293 | Client.prototype.getPaymentId = function () {
|
294 | const paymentId = this.state.properties && this.state.properties.wallet && this.state.properties.wallet.paymentId
|
295 |
|
296 | this._log('getPaymentId')
|
297 |
|
298 | return paymentId
|
299 | }
|
300 |
|
301 | Client.prototype.getWalletAddress = function () {
|
302 | const wallet = this.state.properties && this.state.properties.wallet
|
303 |
|
304 | this._log('getWalletAddress')
|
305 |
|
306 | if (!wallet) return
|
307 |
|
308 | if ((wallet.addresses) && (wallet.addresses.BAT)) return wallet.addresses.BAT
|
309 |
|
310 | return wallet.address
|
311 | }
|
312 |
|
313 | Client.prototype.getWalletAddresses = function () {
|
314 | const wallet = this.state.properties && this.state.properties.wallet
|
315 | let addresses
|
316 |
|
317 | this._log('getWalletAddresses')
|
318 |
|
319 | if (!wallet) return
|
320 |
|
321 | addresses = underscore.extend({}, wallet.addresses)
|
322 | if (wallet.address) addresses.BTC = wallet.address
|
323 | return addresses
|
324 | }
|
325 |
|
326 | Client.prototype.getWalletProperties = function (amount, currency, callback) {
|
327 | const self = this
|
328 |
|
329 | const prefix = self.options.prefix + '/wallet/'
|
330 | let params, errP, path, suffix
|
331 |
|
332 | if (typeof amount === 'function') {
|
333 | callback = amount
|
334 | amount = null
|
335 | currency = null
|
336 | } else if (typeof currency === 'function') {
|
337 | callback = currency
|
338 | currency = null
|
339 | }
|
340 |
|
341 | if (typeof callback !== 'function') throw new Error('getWalletProperties missing callback parameter')
|
342 |
|
343 | errP = (!self.state.properties) || (!self.state.properties.wallet)
|
344 | self._log('getWalletProperties', { errP: errP })
|
345 | if (errP) throw new Error('Ledger client initialization incomplete.')
|
346 |
|
347 | if ((!self.state.currentReconcile) && (self.state.reconcileStamp) && (self.state.reconcileStamp > underscore.now())) {
|
348 | params = underscore.pick(self.state.properties.wallet, ['addresses', 'paymentId'])
|
349 | }
|
350 | if (params) {
|
351 | balance.getProperties(params, self.options, (err, provider, result) => {
|
352 | self._log('getWalletProperties', { method: 'GET', path: 'getProperties', errP: !!err })
|
353 | if (err) return callback(err)
|
354 |
|
355 | if (!result.addresses) result.addresses = underscore.clone(self.state.properties.wallet.addresses)
|
356 | callback(null, result)
|
357 | })
|
358 | return
|
359 | }
|
360 |
|
361 | suffix = '?balance=true&' + self._getWalletParams({ amount: amount, currency: currency })
|
362 | path = prefix + self.state.properties.wallet.paymentId + suffix
|
363 | self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, body) {
|
364 | self._log('getWalletProperties', { method: 'GET', path: prefix + '...' + suffix, errP: !!err })
|
365 | if (err) return callback(err)
|
366 |
|
367 | callback(null, body)
|
368 | })
|
369 | }
|
370 |
|
371 | Client.prototype.setTimeUntilReconcile = function (timestamp, callback) {
|
372 | const now = underscore.now()
|
373 |
|
374 | if ((!timestamp) || (timestamp < now)) {
|
375 | let days = 30
|
376 | if (this.state && this.state.properties && this.state.properties.days) {
|
377 | days = this.state.properties.days
|
378 | }
|
379 | timestamp = now + (days * msecs.day)
|
380 | }
|
381 | this.state.reconcileStamp = timestamp
|
382 | if (this.options.verboseP) this.state.reconcileDate = new Date(this.state.reconcileStamp)
|
383 |
|
384 | if (callback) {
|
385 | callback(null, this.state)
|
386 | }
|
387 | }
|
388 |
|
389 | Client.prototype.timeUntilReconcile = function (synopsis, fuzzyCallback) {
|
390 | if (!this.state.reconcileStamp) {
|
391 | this._log('timeUntilReconcile', { errP: true })
|
392 | throw new Error('Ledger client initialization incomplete.')
|
393 | }
|
394 |
|
395 | if (this.state.currentReconcile) {
|
396 | this._log('timeUntilReconcile', { reason: 'already reconciling', reconcileStamp: this.state.reconcileStamp })
|
397 | return false
|
398 | }
|
399 |
|
400 | this._fuzzing(synopsis, fuzzyCallback)
|
401 | return (this.state.reconcileStamp - underscore.now())
|
402 | }
|
403 |
|
404 | Client.prototype.isReadyToReconcile = function (synopsis, fuzzyCallback) {
|
405 | const delayTime = this.timeUntilReconcile(synopsis, fuzzyCallback)
|
406 |
|
407 | this._log('isReadyToReconcile', { delayTime: delayTime })
|
408 | return ((typeof delayTime === 'boolean') ? delayTime : (delayTime <= 0))
|
409 | }
|
410 |
|
411 | Client.prototype.reconcile = function (viewingId, callback) {
|
412 | const self = this
|
413 |
|
414 | const prefix = self.options.prefix + '/surveyor/contribution/current/'
|
415 | let delayTime, path, schema, validity
|
416 |
|
417 | if (!callback) {
|
418 | callback = viewingId
|
419 | viewingId = null
|
420 | }
|
421 | if (typeof callback !== 'function') throw new Error('reconcile missing callback parameter')
|
422 |
|
423 | try {
|
424 | if (!self.state.reconcileStamp) throw new Error('Ledger client initialization incomplete.')
|
425 | if (self.state.properties.setting === 'adFree') {
|
426 | if (!viewingId) throw new Error('missing viewingId parameter')
|
427 |
|
428 | schema = Joi.string().guid().required().description('opaque identifier for viewing submissions')
|
429 |
|
430 | validity = Joi.validate(viewingId, schema)
|
431 | if (validity.error) throw new Error(validity.error)
|
432 | }
|
433 | } catch (ex) {
|
434 | this._log('reconcile', { errP: true })
|
435 | throw ex
|
436 | }
|
437 |
|
438 | delayTime = this.state.reconcileStamp - underscore.now()
|
439 | if (delayTime > 0) {
|
440 | this._log('reconcile', { reason: 'not time to reconcile', delayTime: delayTime })
|
441 | return callback(null, null, delayTime)
|
442 | }
|
443 | if (this.state.currentReconcile) {
|
444 | delayTime = random.randomInt({ min: msecs.second, max: (this.options.debugP ? 1 : 10) * msecs.minute })
|
445 | this._log('reconcile', { reason: 'already reconciling', delayTime: delayTime, reconcileStamp: this.state.reconcileStamp })
|
446 | return callback(null, null, delayTime)
|
447 | }
|
448 |
|
449 | this._log('reconcile', { setting: self.state.properties.setting })
|
450 | if (self.state.properties.setting !== 'adFree') {
|
451 | throw new Error('setting not (yet) supported: ' + self.state.properties.setting)
|
452 | }
|
453 |
|
454 | path = prefix + self.credentials.persona.parameters.userId
|
455 | self._retryTrip(self, { path: path, method: 'GET', useProxy: true }, function (err, response, body) {
|
456 | const surveyorInfo = body
|
457 | let i
|
458 |
|
459 | self._log('reconcile', { method: 'GET', path: prefix + '...', errP: !!err })
|
460 | if (err) return callback(err)
|
461 |
|
462 | for (i = self.state.transactions.length - 1; i >= 0; i--) {
|
463 | if (self.state.transactions[i].surveyorId !== surveyorInfo.surveyorId) continue
|
464 |
|
465 | delayTime = random.randomInt({ min: msecs.second, max: (self.options.debugP ? 1 : 10) * msecs.minute })
|
466 | self._log('reconcile',
|
467 | { reason: 'awaiting a new surveyorId', delayTime: delayTime, surveyorId: surveyorInfo.surveyorId })
|
468 | return callback(null, null, delayTime)
|
469 | }
|
470 |
|
471 | self.state.currentReconcile = { viewingId: viewingId, surveyorInfo: surveyorInfo, timestamp: 0 }
|
472 | self._log('reconcile', { delayTime: msecs.minute })
|
473 | callback(null, self.state, msecs.minute)
|
474 | })
|
475 | }
|
476 |
|
477 | Client.prototype.ballots = function (viewingId) {
|
478 | let i, count, transaction
|
479 |
|
480 | count = 0
|
481 | for (i = this.state.transactions.length - 1; i >= 0; i--) {
|
482 | transaction = this.state.transactions[i]
|
483 | if ((transaction.votes < transaction.count) && ((transaction.viewingId === viewingId) || (!viewingId))) {
|
484 | count += transaction.count - transaction.votes
|
485 | }
|
486 | }
|
487 | return count
|
488 | }
|
489 |
|
490 | Client.prototype.vote = function (publisher, viewingId) {
|
491 | let i, transaction
|
492 |
|
493 | if (!publisher) throw new Error('missing publisher parameter')
|
494 |
|
495 | for (i = this.state.transactions.length - 1; i >= 0; i--) {
|
496 | transaction = this.state.transactions[i]
|
497 | if (transaction.votes >= transaction.count) continue
|
498 |
|
499 | if ((transaction.viewingId === viewingId) || (!viewingId)) break
|
500 | }
|
501 | if (i < 0) return
|
502 |
|
503 | this.state.ballots.push({ viewingId: transaction.viewingId,
|
504 | surveyorId: transaction.surveyorIds[transaction.votes],
|
505 | publisher: publisher,
|
506 | offset: transaction.votes
|
507 | })
|
508 | transaction.votes++
|
509 |
|
510 | return this.state
|
511 | }
|
512 |
|
513 | Client.prototype.report = function () {
|
514 | const entries = this.logging
|
515 |
|
516 | this.logging = []
|
517 | if (entries.length) return entries
|
518 | }
|
519 |
|
520 | Client.prototype.generateKeypair = function () {
|
521 | const wallet = this.state.properties && this.state.properties.wallet
|
522 |
|
523 | if (!wallet) {
|
524 | if (!this.state.properties) this.state.properties = {}
|
525 |
|
526 | this.state.properties.wallet = { keyinfo: { seed: braveCrypto.getSeed(SEED_LENGTH) } }
|
527 | } else if (!wallet.keyinfo) {
|
528 | throw new Error('invalid wallet')
|
529 | }
|
530 | return this.getKeypair()
|
531 | }
|
532 |
|
533 | Client.prototype.getKeypair = function () {
|
534 | if (this.state && this.state.properties && this.state.properties.wallet &&
|
535 | this.state.properties.wallet.keyinfo && this.state.properties.wallet.keyinfo.seed) {
|
536 | return braveCrypto.deriveSigningKeysFromSeed(this.state.properties.wallet.keyinfo.seed, HKDF_SALT)
|
537 | }
|
538 | throw new Error('invalid or uninitialized wallet')
|
539 | }
|
540 |
|
541 | Client.prototype.getWalletPassphrase = function (state, options) {
|
542 | if (!state) state = this.state
|
543 |
|
544 | const wallet = state.properties && state.properties.wallet
|
545 |
|
546 | this._log('getWalletPassphrase')
|
547 |
|
548 | if (!wallet) return
|
549 |
|
550 | if ((wallet.keyinfo) && (wallet.keyinfo.seed)) {
|
551 | const seed = Buffer.from(wallet.keyinfo.seed)
|
552 | const passPhrase = passphraseUtil.fromBytesOrHex(seed, options && options.useNiceware)
|
553 |
|
554 | return passPhrase && passPhrase.split(' ')
|
555 | }
|
556 | }
|
557 |
|
558 | Client.prototype.recoverKeypair = function (passPhrase) {
|
559 | var seed
|
560 | this._log('recoverKeypair')
|
561 | try {
|
562 | seed = Buffer.from(passphraseUtil.toBytes32(passPhrase))
|
563 | } catch (ex) {
|
564 | throw new Error('invalid passphrase:' + ex.toString())
|
565 | }
|
566 |
|
567 | if (seed && seed.length === SEED_LENGTH) {
|
568 | if (!this.state.properties) this.state.properties = {}
|
569 |
|
570 | this.state.properties.wallet = { keyinfo: { seed: seed } }
|
571 | } else {
|
572 | throw new Error('internal error, seed returned is invalid')
|
573 | }
|
574 | return this.getKeypair()
|
575 | }
|
576 |
|
577 | Client.prototype.isValidPassPhrase = function (passPhrase) {
|
578 | if (!passPhrase || typeof passPhrase !== 'string') {
|
579 | return false
|
580 | }
|
581 |
|
582 | try {
|
583 | passphraseUtil.toBytes32(passPhrase)
|
584 | } catch (ex) {
|
585 | this.memo('isValidPassPhrase', ex.toString())
|
586 | return false
|
587 | }
|
588 |
|
589 | return true
|
590 | }
|
591 |
|
592 | Client.prototype.recoverWallet = function (recoveryId, passPhrase, callback) {
|
593 | const self = this
|
594 | let path, keypair
|
595 |
|
596 | try {
|
597 | keypair = this.recoverKeypair(passPhrase)
|
598 | } catch (ex) {
|
599 | return callback(ex)
|
600 | }
|
601 |
|
602 | path = '/v2/wallet?publicKey=' + braveCrypto.uint8ToHex(keypair.publicKey)
|
603 | self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, body) {
|
604 | if (err) return callback(err)
|
605 |
|
606 | self._log('recoverWallet', body)
|
607 |
|
608 | if (!body.paymentId) return callback(new Error('invalid response'))
|
609 |
|
610 | recoveryId = body.paymentId
|
611 |
|
612 | path = '/v2/wallet/' + recoveryId
|
613 | self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, body) {
|
614 | self._log('recoverWallet', { method: 'GET', path: '/v2/wallet/...', errP: !!err })
|
615 | if (err) return callback(err)
|
616 |
|
617 | self._log('recoverWallet', body)
|
618 |
|
619 | if (!body.addresses) return callback(new Error('invalid response'))
|
620 |
|
621 |
|
622 | const walletInfo = (self.state.properties && self.state.properties.wallet) || { }
|
623 |
|
624 | self.state.properties.wallet = underscore.extend(walletInfo, { paymentId: recoveryId }, underscore.pick(body, [ 'addresses', 'altcurrency' ]))
|
625 |
|
626 | return callback(null, self.state, underscore.omit(body, [ 'addresses', 'altcurrency' ]))
|
627 | })
|
628 | })
|
629 | }
|
630 |
|
631 | Client.prototype.busyP = function () {
|
632 | const self = this
|
633 |
|
634 | const then = new Date().getTime() - (15 * msecs.day)
|
635 | let busyP = false
|
636 |
|
637 | self.state.ballots.forEach((ballot) => {
|
638 | const transaction = underscore.find(self.state.transactions, (transaction) => {
|
639 | return (transaction.viewingId === ballot.viewingId)
|
640 | })
|
641 |
|
642 | if ((!transaction) || (!transaction.submissionStamp) || (!transaction.submissionStamp > then)) return
|
643 |
|
644 | busyP = true
|
645 | self._log('busyP', underscore.extend({ submissionStamp: transaction.submissionStamp }, ballot))
|
646 | })
|
647 |
|
648 | return busyP
|
649 | }
|
650 |
|
651 | Client.prototype.publisherTimestamp = function (callback) {
|
652 | const self = this
|
653 |
|
654 | let path
|
655 |
|
656 | if (self.options.version === 'v1') return
|
657 |
|
658 | path = '/v3/publisher/timestamp'
|
659 | self._retryTrip(self, { path: path, method: 'GET', useProxy: true }, function (err, response, body) {
|
660 | self._log('publisherInfo', { method: 'GET', path: path, errP: !!err })
|
661 | if (err) return callback(err)
|
662 |
|
663 | callback(null, body)
|
664 | })
|
665 | }
|
666 |
|
667 | Client.prototype.publisherInfo = function (publisher, callback) {
|
668 | const self = this
|
669 |
|
670 | let path
|
671 |
|
672 | if (self.options.version === 'v1') return
|
673 |
|
674 | path = '/v3/publisher/identity?' + querystring.stringify({ publisher: publisher })
|
675 | self._retryTrip(self, { path: path, method: 'GET', useProxy: true }, function (err, response, body) {
|
676 | self._log('publisherInfo', { method: 'GET', path: path, errP: !!err })
|
677 | if (err) return callback(err, null, response)
|
678 |
|
679 | callback(null, body)
|
680 | })
|
681 | }
|
682 |
|
683 |
|
684 |
|
685 | Client.prototype.publishersInfo = function (publishers, callback) {
|
686 | if (this.options.version === 'v1') return
|
687 |
|
688 |
|
689 |
|
690 | if (!Array.isArray(publishers)) publishers = [ publishers ]
|
691 | if (publishers.length === 0) return
|
692 |
|
693 | if (typeof this.batches === 'undefined') this.batches = 0
|
694 | if (!this.publishers) this.publishers = { requests: [], results: [], uniques: [] }
|
695 | publishers.forEach((publisher) => {
|
696 | if (this.publishers.uniques.indexOf(publisher) !== -1) return
|
697 |
|
698 | this.publishers.requests.push(publisher)
|
699 | this.publishers.uniques.push(publisher)
|
700 | })
|
701 | this._publishersInfo(callback)
|
702 | }
|
703 |
|
704 | Client.prototype.memo = function (who, args) {
|
705 | let what
|
706 |
|
707 | if (!this.state.memos) this.state.memos = []
|
708 | if (this.state.memos.length > 10) this.state.memos.splice(0, this.state.memos.length - 10)
|
709 | if (typeof args !== 'object') {
|
710 | what = {reason: args}
|
711 | } else {
|
712 | what = args
|
713 | }
|
714 |
|
715 | this.state.memos.push(JSON.stringify({ who: who, what: what || {}, when: underscore.now() }))
|
716 | this._log(who, args)
|
717 | }
|
718 |
|
719 | Client.prototype._publishersInfo = function (callback) {
|
720 | const self = this
|
721 |
|
722 | const publisher = underscore.first(self.publishers.requests)
|
723 | let results
|
724 |
|
725 | if (self.batches > 3) return
|
726 |
|
727 | if (!publisher) {
|
728 | if (self.batches > 0) return
|
729 |
|
730 | results = self.publishers.results
|
731 | self.publishers.results = []
|
732 | self.publishers.uniques = []
|
733 | if (results.length) callback(null, results)
|
734 | return
|
735 | }
|
736 |
|
737 | self.publishers.requests = underscore.rest(self.publishers.requests)
|
738 |
|
739 | self.batches++
|
740 | self.publisherInfo(publisher, (err, result, response) => {
|
741 | if ((err) && (response) && (response.statusCode === 429)) {
|
742 | return setTimeout(() => {
|
743 | self.batches--
|
744 | self.publishersInfo(publisher, callback)
|
745 | }, random.randomInt({ min: 1 * msecs.minute, max: 2 * msecs.minute }))
|
746 | }
|
747 |
|
748 | self.batches--
|
749 | self.publishers.results.push(((!err) && (result) ? result : { publisher: publisher, err: err }))
|
750 |
|
751 | self._publishersInfo.bind(self)(callback)
|
752 | })
|
753 |
|
754 | setTimeout(() => self._publishersInfo.bind(self)(callback), random.randomInt({ min: 250, max: 500 }))
|
755 | }
|
756 |
|
757 | Client.prototype.getPromotion = function (lang, forPaymentId, callback) {
|
758 | const self = this
|
759 |
|
760 | let path, params, paymentId
|
761 | params = {}
|
762 |
|
763 | if (self.options.version === 'v1') return
|
764 |
|
765 | if (!callback) {
|
766 | callback = lang
|
767 | lang = null
|
768 | if (typeof callback !== 'function') throw new Error('getPromotion missing callback parameter')
|
769 | }
|
770 |
|
771 | path = '/v1/grants'
|
772 | if (lang) params.lang = lang
|
773 | if (forPaymentId) {
|
774 | params.paymentId = paymentId = forPaymentId
|
775 | } else {
|
776 | paymentId = self.state && self.state.properties && self.state.properties.wallet && self.state.properties.wallet.paymentId
|
777 | if (paymentId) params.paymentId = paymentId
|
778 | }
|
779 | if ((lang) || (paymentId)) path += '?' + querystring.stringify(params)
|
780 | self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, body) {
|
781 | self._log('getPromotion', { method: 'GET', path: path, errP: !!err })
|
782 | if (err) return callback(err)
|
783 |
|
784 | callback(null, body)
|
785 | })
|
786 | }
|
787 |
|
788 | Client.prototype.setPromotion = function (promotionId, captchaResponse, callback) {
|
789 | const self = this
|
790 |
|
791 | let path
|
792 |
|
793 | if (self.options.version === 'v1') return
|
794 |
|
795 | path = '/v1/grants/' + self.state.properties.wallet.paymentId
|
796 | self._retryTrip(self, { path: path, method: 'PUT', payload: { promotionId, captchaResponse } }, function (err, response, body) {
|
797 | self._log('setPromotion', { method: 'PUT', path: path, errP: !!err })
|
798 | if (err) return callback(err, null, response)
|
799 |
|
800 | callback(null, body)
|
801 | })
|
802 | }
|
803 |
|
804 | Client.prototype.getPromotionCaptcha = function (promotionId, callback) {
|
805 | const self = this
|
806 |
|
807 | const path = '/v1/captchas/' + self.state.properties.wallet.paymentId
|
808 | self._retryTrip(self, { path: path, method: 'GET', binaryP: true }, function (err, response, body) {
|
809 | self._log('getPromotionCaptcha', { method: 'GET', path: path, errP: !!err })
|
810 | if (err) return callback(err, null, response)
|
811 |
|
812 | callback(null, body)
|
813 | })
|
814 | }
|
815 |
|
816 |
|
817 |
|
818 |
|
819 |
|
820 |
|
821 |
|
822 | Client.prototype._registerPersona = function (callback) {
|
823 | const self = this
|
824 |
|
825 | const prefix = self.options.prefix + '/registrar/persona'
|
826 | let path
|
827 |
|
828 | path = prefix
|
829 | self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, body) {
|
830 | let credential
|
831 | let personaId = self.state.personaId || uuid.v4().toLowerCase()
|
832 |
|
833 | self._log('_registerPersona', { method: 'GET', path: path, errP: !!err })
|
834 | if (err) return callback(err)
|
835 |
|
836 | credential = new anonize.Credential(personaId, body.registrarVK)
|
837 |
|
838 | self.credentialRequest(credential, function (err, result) {
|
839 | let body, keychains, keypair, octets, payload
|
840 |
|
841 | if (err) return callback(err)
|
842 |
|
843 | if (result.credential) credential = new anonize.Credential(result.credential)
|
844 |
|
845 | if (self.options.version === 'v2') {
|
846 | keypair = self.generateKeypair()
|
847 | body = {
|
848 | label: uuid.v4().toLowerCase(),
|
849 | currency: 'BAT',
|
850 | publicKey: braveCrypto.uint8ToHex(keypair.publicKey)
|
851 | }
|
852 | octets = stringify(body)
|
853 | var headers = {
|
854 | digest: 'SHA-256=' + crypto.createHash('sha256').update(octets).digest('base64')
|
855 | }
|
856 | headers['signature'] = sign({
|
857 | headers: headers,
|
858 | keyId: 'primary',
|
859 | secretKey: braveCrypto.uint8ToHex(keypair.secretKey)
|
860 | }, { algorithm: 'ed25519' })
|
861 | payload = {
|
862 | requestType: 'httpSignature',
|
863 | request: {
|
864 | headers: headers,
|
865 | body: body,
|
866 | octets: octets
|
867 | }
|
868 | }
|
869 | }
|
870 | payload.proof = result.proof
|
871 |
|
872 | path = prefix + '/' + credential.parameters.userId
|
873 | self._retryTrip(self, { path: path, method: 'POST', payload: payload }, function (err, response, body) {
|
874 | let configuration, currency, days, fee
|
875 |
|
876 | self._log('_registerPersona', { method: 'POST', path: prefix + '/...', errP: !!err })
|
877 | if (err) return callback(err)
|
878 |
|
879 | self.credentialFinalize(credential, body.verification, function (err, result) {
|
880 | if (err) return callback(err)
|
881 |
|
882 | self.credentials.persona = new anonize.Credential(result.credential)
|
883 | self.state.persona = result.credential
|
884 |
|
885 | configuration = body.payload && body.payload.adFree
|
886 | if (!configuration) {
|
887 | self._log('_registerPersona', { error: 'persona registration missing adFree configuration' })
|
888 | return callback(new Error('persona registration missing adFree configuration'))
|
889 | }
|
890 |
|
891 | currency = configuration.currency || 'USD'
|
892 | days = configuration.days || 30
|
893 | if (!configuration.fee[currency]) {
|
894 | if (currency === 'USD') {
|
895 | self._log('_registerPersona', { error: 'USD is not supported by the ledger' })
|
896 | return callback(new Error('USD is not supported by the ledger'))
|
897 | }
|
898 | if (!configuration.fee.USD) {
|
899 | self._log('_registerPersona', { error: 'neither ' + currency + ' nor USD are supported by the ledger' })
|
900 | return callback(new Error('neither ' + currency + ' nor USD are supported by the ledger'))
|
901 | }
|
902 | currency = 'USD'
|
903 | }
|
904 | fee = { currency: currency, amount: configuration.fee[currency] }
|
905 |
|
906 |
|
907 | const walletInfo = (self.state.properties && self.state.properties.wallet) || { }
|
908 |
|
909 | self.state.personaId = personaId
|
910 | self.state.properties = { setting: 'adFree',
|
911 | fee: fee,
|
912 | days: days,
|
913 | configuration: body.contributions,
|
914 | wallet: underscore.extend(walletInfo, body.wallet, { keychains: keychains })
|
915 | }
|
916 | self.state.bootStamp = underscore.now()
|
917 | if (self.options.verboseP) self.state.bootDate = new Date(self.state.bootStamp)
|
918 | self.state.reconcileStamp = self.state.bootStamp + (self.state.properties.days * msecs.day)
|
919 | if (self.options.verboseP) self.state.reconcileDate = new Date(self.state.reconcileStamp)
|
920 |
|
921 | self._log('_registerPersona', { personaId: personaId, delayTime: msecs.minute })
|
922 | callback(null, self.state, msecs.minute)
|
923 | })
|
924 | })
|
925 | })
|
926 | })
|
927 | }
|
928 |
|
929 | Client.prototype._currentReconcile = function (callback) {
|
930 | const self = this
|
931 |
|
932 | const amount = self.state.properties.fee.amount
|
933 | const currency = self.state.properties.fee.currency
|
934 | const prefix = self.options.prefix + '/wallet/'
|
935 | const surveyorInfo = self.state.currentReconcile.surveyorInfo
|
936 | const viewingId = self.state.currentReconcile.viewingId
|
937 | let fee, path, rates, suffix
|
938 |
|
939 | suffix = '?' + self._getWalletParams({ amount: amount, currency: currency })
|
940 | path = prefix + self.state.properties.wallet.paymentId + suffix
|
941 | self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, body) {
|
942 | let alt, delayTime, keypair, octets, payload
|
943 |
|
944 | self._log('_currentReconcile', { method: 'GET', path: prefix + '...?' + suffix, errP: !!err })
|
945 | if (err) return callback(err)
|
946 |
|
947 | if (!body.unsignedTx) {
|
948 | if (body.rates[currency]) {
|
949 | alt = (amount / body.rates[currency]).toFixed(4)
|
950 | } else {
|
951 | self._log('reconcile', { error: currency + ' no longer supported by the ledger' })
|
952 | }
|
953 |
|
954 | self.state.paymentInfo = underscore.extend(underscore.pick(body, [
|
955 | 'balance', 'buyURL', 'recurringURL', 'satoshis', 'altcurrency', 'probi'
|
956 | ]),
|
957 | {
|
958 | address: self.state.properties.wallet.addresses && self.state.properties.wallet.addresses.BAT
|
959 | ? self.state.properties.wallet.addresses.BAT : self.state.properties.wallet.address,
|
960 | addresses: self.state.properties.wallet.addresses,
|
961 | amount: amount,
|
962 | currency: currency
|
963 | })
|
964 | self.state.paymentInfo[body.altcurrency ? body.altcurrency : 'btc'] = alt
|
965 |
|
966 | delayTime = random.randomInt({ min: msecs.second, max: (self.options.debugP ? 1 : 10) * msecs.minute })
|
967 | self._log('_currentReconcile', { reason: 'balance < btc', balance: body.balance, alt: alt, delayTime: delayTime })
|
968 | return callback(null, self.state, delayTime)
|
969 | }
|
970 |
|
971 | const reconcile = (params) => {
|
972 | path = prefix + self.state.properties.wallet.paymentId
|
973 | payload = underscore.extend({ viewingId: viewingId, surveyorId: surveyorInfo.surveyorId }, params)
|
974 | self._retryTrip(self, { path: path, method: 'PUT', payload: payload }, function (err, response, body) {
|
975 | let transaction
|
976 |
|
977 | self._log('_currentReconcile', { method: 'PUT', path: prefix + '...', errP: !!err })
|
978 |
|
979 | delete self.state.currentReconcile
|
980 |
|
981 | if (err) return callback(err)
|
982 |
|
983 | transaction = { viewingId: viewingId,
|
984 | surveyorId: surveyorInfo.surveyorId,
|
985 | contribution: {
|
986 | fiat: { amount: amount, currency: currency },
|
987 | rates: rates,
|
988 | satoshis: body.satoshis,
|
989 | altcurrency: body.altcurrency,
|
990 | probi: body.probi,
|
991 | fee: fee
|
992 | },
|
993 | submissionStamp: body.paymentStamp,
|
994 | submissionDate: self.options.verboseP ? new Date(body.paymentStamp) : undefined,
|
995 | submissionId: body.hash
|
996 | }
|
997 | self.state.transactions.push(transaction)
|
998 |
|
999 | self.state.reconcileStamp = underscore.now() + (self.state.properties.days * msecs.day)
|
1000 | if (self.options.verboseP) self.state.reconcileDate = new Date(self.state.reconcileStamp)
|
1001 |
|
1002 | self._updateRules(function (err) {
|
1003 | if (err) self._log('_updateRules', { message: err.toString() })
|
1004 |
|
1005 | self._log('_currentReconcile', { delayTime: msecs.minute })
|
1006 | callback(null, self.state, msecs.minute)
|
1007 | })
|
1008 | })
|
1009 | }
|
1010 |
|
1011 | fee = body.unsignedTx.fee
|
1012 | rates = body.rates
|
1013 | if (body.altcurrency) {
|
1014 | keypair = self.getKeypair()
|
1015 | octets = stringify(body.unsignedTx)
|
1016 | var headers = {
|
1017 | digest: 'SHA-256=' + crypto.createHash('sha256').update(octets).digest('base64')
|
1018 | }
|
1019 | headers['signature'] = sign({
|
1020 | headers: headers,
|
1021 | keyId: 'primary',
|
1022 | secretKey: braveCrypto.uint8ToHex(keypair.secretKey)
|
1023 | }, { algorithm: 'ed25519' })
|
1024 | payload = {
|
1025 | requestType: 'httpSignature',
|
1026 | signedTx: {
|
1027 | headers: headers,
|
1028 | body: body.unsignedTx,
|
1029 | octets: octets
|
1030 | }
|
1031 | }
|
1032 |
|
1033 | return reconcile(payload)
|
1034 | }
|
1035 | })
|
1036 | }
|
1037 |
|
1038 | Client.prototype._registerViewing = function (viewingId, callback) {
|
1039 | const self = this
|
1040 |
|
1041 | const prefix = self.options.prefix + '/registrar/viewing'
|
1042 | let path = prefix
|
1043 |
|
1044 | self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, body) {
|
1045 | let credential
|
1046 |
|
1047 | self._log('_registerViewing', { method: 'GET', path: path, errP: !!err })
|
1048 | if (err) return callback(err)
|
1049 |
|
1050 | credential = new anonize.Credential(viewingId, body.registrarVK)
|
1051 |
|
1052 | self.credentialRequest(credential, function (err, result) {
|
1053 | if (err) return callback(err)
|
1054 |
|
1055 | if (result.credential) credential = new anonize.Credential(result.credential)
|
1056 |
|
1057 | path = prefix + '/' + credential.parameters.userId
|
1058 | self._retryTrip(self, { path: path, method: 'POST', payload: { proof: result.proof } }, function (err, response, body) {
|
1059 | let i
|
1060 |
|
1061 | self._log('_registerViewing', { method: 'POST', path: prefix + '/...', errP: !!err })
|
1062 | if (err) return callback(err)
|
1063 |
|
1064 | self.credentialFinalize(credential, body.verification, function (err, result) {
|
1065 | if (err) return callback(err)
|
1066 |
|
1067 | for (i = self.state.transactions.length - 1; i >= 0; i--) {
|
1068 | if (self.state.transactions[i].viewingId !== viewingId) continue
|
1069 |
|
1070 |
|
1071 | underscore.extend(self.state.transactions[i],
|
1072 | { credential: result.credential,
|
1073 | surveyorIds: body.surveyorIds,
|
1074 | count: body.surveyorIds.length,
|
1075 | satoshis: body.satoshis,
|
1076 | altcurrency: body.altcurrency,
|
1077 | probi: body.probi,
|
1078 | votes: 0
|
1079 | })
|
1080 | self._log('_registerViewing', { delayTime: msecs.minute })
|
1081 | return callback(null, self.state, msecs.minute)
|
1082 | }
|
1083 |
|
1084 | callback(new Error('viewingId ' + viewingId + ' not found in transaction list'))
|
1085 | })
|
1086 | })
|
1087 | })
|
1088 | })
|
1089 | }
|
1090 |
|
1091 | Client.prototype._prepareBatch = function (transaction, callback) {
|
1092 | const self = this
|
1093 | const ballots = self.state.ballots
|
1094 | const transactions = self.state.transactions || []
|
1095 |
|
1096 | if (!transaction) {
|
1097 | return callback(new Error('_prepareBatch: transaction is null'))
|
1098 | }
|
1099 |
|
1100 | const credential = new anonize.Credential(transaction.credential)
|
1101 | const uId = credential.parameters.userId
|
1102 |
|
1103 | if (!uId) {
|
1104 | return callback(new Error('_prepareBatch: uId is empty'))
|
1105 | }
|
1106 |
|
1107 | let path = self.options.prefix + '/batch/surveyor/voting/' + uId
|
1108 |
|
1109 | self._retryTrip(self, { path, method: 'GET', useProxy: true }, function (err, response, body) {
|
1110 | self._log('_prepareBatch', { method: 'GET', path, errP: !!err })
|
1111 | if (err) return callback(err)
|
1112 |
|
1113 | if (!Array.isArray(body)) return callback(new Error('_prepareBatch: Body is not an array'))
|
1114 |
|
1115 | const newBallots = []
|
1116 |
|
1117 | body.forEach(surveyor => {
|
1118 | const ballot = ballots.find(ballot => ballot.surveyorId === surveyor.surveyorId)
|
1119 | const transaction = transactions.find(transaction => {
|
1120 | return transaction.credential && ballot.viewingId === transaction.viewingId
|
1121 | })
|
1122 |
|
1123 | if (surveyor.error) {
|
1124 | return
|
1125 | }
|
1126 |
|
1127 | ballot.prepareBallot = surveyor
|
1128 | newBallots.push({
|
1129 | ballot,
|
1130 | transaction
|
1131 | })
|
1132 | })
|
1133 |
|
1134 | self._proofBatch(newBallots, callback)
|
1135 | })
|
1136 | }
|
1137 |
|
1138 | Client.prototype._proofBatch = function (batch, callback) {
|
1139 | const self = this
|
1140 | const payload = []
|
1141 | const ballots = self.state.ballots
|
1142 |
|
1143 | if (!Array.isArray(batch)) {
|
1144 | return callback(new Error('_proofBatch: Batch is not an array'))
|
1145 | }
|
1146 |
|
1147 | batch.forEach(item => {
|
1148 | const credential = new anonize.Credential(item.transaction.credential)
|
1149 | const surveyor = new anonize.Surveyor(item.ballot.prepareBallot)
|
1150 | payload.push({
|
1151 | credential: JSON.stringify(credential),
|
1152 | surveyor: JSON.stringify(surveyor),
|
1153 | publisher: item.ballot.publisher
|
1154 | })
|
1155 | })
|
1156 |
|
1157 | if (payload.length === 0) {
|
1158 | return callback(new Error('_proofBatch: payload is empty'))
|
1159 | }
|
1160 |
|
1161 | self.credentialSubmit(payload, function (err, result) {
|
1162 | if (err) return callback(err)
|
1163 |
|
1164 | if (!Array.isArray(result.payload)) return callback(new Error('_proofBatch: Payload is not an array'))
|
1165 |
|
1166 | result.payload.forEach(item => {
|
1167 | const ballot = ballots.find(ballot => ballot.surveyorId === item.surveyorId)
|
1168 | ballot.proofBallot = item.proof
|
1169 | })
|
1170 |
|
1171 | const delayTime = random.randomInt({ min: 10 * msecs.second, max: 1 * msecs.minute })
|
1172 | self._log('_proofBallot', { delayTime: delayTime })
|
1173 | callback(null, self.state, delayTime)
|
1174 | })
|
1175 | }
|
1176 |
|
1177 | Client.prototype._prepareVoteBatch = function (callback) {
|
1178 | let batch = {}
|
1179 | const self = this
|
1180 | const transactions = self.state.transactions
|
1181 |
|
1182 | if (!Array.isArray(self.state.ballots)) {
|
1183 | return callback(new Error('_prepareVoteBatch: Ballots are not an array'))
|
1184 | }
|
1185 |
|
1186 | for (let i = self.state.ballots.length - 1; i >= 0; i--) {
|
1187 | const ballot = self.state.ballots[i]
|
1188 | let transaction = underscore.find(transactions, function (transaction) {
|
1189 | return transaction.credential && ballot.viewingId === transaction.viewingId
|
1190 | })
|
1191 |
|
1192 | if (!transaction) continue
|
1193 |
|
1194 | if (!ballot.prepareBallot || !ballot.proofBallot) {
|
1195 | return callback(new Error('_prepareVoteBatch: Ballot is not ready'))
|
1196 | }
|
1197 |
|
1198 | if (!transaction.ballots) {
|
1199 | transaction.ballots = {}
|
1200 | }
|
1201 |
|
1202 | if (!transaction.ballots[ballot.publisher]) {
|
1203 | transaction.ballots[ballot.publisher] = 0
|
1204 | }
|
1205 |
|
1206 | transaction.ballots[ballot.publisher]++
|
1207 |
|
1208 | if (!batch[ballot.publisher]) batch[ballot.publisher] = []
|
1209 |
|
1210 | batch[ballot.publisher].push({
|
1211 | surveyorId: ballot.surveyorId,
|
1212 | proof: ballot.proofBallot
|
1213 | })
|
1214 |
|
1215 | self.state.ballots.splice(i, 1)
|
1216 | }
|
1217 |
|
1218 | self.state.batch = batch
|
1219 |
|
1220 | const delayTime = random.randomInt({ min: 10 * msecs.second, max: 1 * msecs.minute })
|
1221 | callback(null, self.state, delayTime)
|
1222 | }
|
1223 |
|
1224 | Client.prototype._voteBatch = function (callback) {
|
1225 | const self = this
|
1226 | if (!self.state.batch) {
|
1227 | return callback(new Error('No batch data'))
|
1228 | }
|
1229 |
|
1230 | const path = self.options.prefix + '/batch/surveyor/voting'
|
1231 |
|
1232 | const keys = Object.keys(self.state.batch) || []
|
1233 | if (keys.length === 0) {
|
1234 | return callback(new Error('No batch data (keys are empty'))
|
1235 | }
|
1236 |
|
1237 | const publisher = self.state.batch[keys[0]]
|
1238 | let payload
|
1239 |
|
1240 | if (publisher.length > BATCH_SIZE) {
|
1241 | payload = publisher.splice(0, BATCH_SIZE)
|
1242 | } else {
|
1243 | payload = publisher
|
1244 | }
|
1245 |
|
1246 | self._retryTrip(self, { path: path, method: 'POST', useProxy: true, payload: payload }, function (err, response, body) {
|
1247 | self._log('_voteBatch', { method: 'POST', path: path + '...', errP: !!err })
|
1248 |
|
1249 | if (err || !body) return callback(err)
|
1250 |
|
1251 | body.forEach((vote) => {
|
1252 | let i
|
1253 | for (i = publisher.length - 1; i >= 0; i--) {
|
1254 | if (publisher[i].surveyorId !== vote.surveyorId) continue
|
1255 |
|
1256 | publisher.splice(i, 1)
|
1257 | break
|
1258 | }
|
1259 | })
|
1260 |
|
1261 | if (self.state.batch[keys[0]].length === 0) {
|
1262 | delete self.state.batch[keys[0]]
|
1263 | }
|
1264 |
|
1265 | const delayTime = random.randomInt({ min: 10 * msecs.second, max: 1 * msecs.minute })
|
1266 | self._log('_voteBatch', { delayTime: delayTime })
|
1267 | callback(null, self.state, delayTime)
|
1268 | })
|
1269 | }
|
1270 |
|
1271 | Client.prototype._getWalletParams = function (params) {
|
1272 | let result = 'refresh=true'
|
1273 |
|
1274 | if (params.amount) result += '&amount=' + params.amount
|
1275 | if (params.currency) result += '&' + (params.currency === 'BAT' ? 'alt' : '') + 'currency=' + params.currency
|
1276 |
|
1277 | return result
|
1278 | }
|
1279 |
|
1280 | Client.prototype._log = function (who, args) {
|
1281 | const debugP = this.options ? this.options.debugP : false
|
1282 | const loggingP = this.options ? this.options.loggingP : false
|
1283 |
|
1284 | if (debugP) console.log(JSON.stringify({ who: who, what: args || {}, when: underscore.now() }, null, 2))
|
1285 | if (loggingP) this.logging.push({ who: who, what: args || {}, when: underscore.now() })
|
1286 | }
|
1287 |
|
1288 | Client.prototype._updateRules = function (callback) {
|
1289 | const self = this
|
1290 |
|
1291 | let path
|
1292 |
|
1293 | self.state.updatesStamp = underscore.now() + msecs.hour
|
1294 | if (self.options.verboseP) self.state.updatesDate = new Date(self.state.updatesStamp)
|
1295 |
|
1296 | path = '/v1/publisher/ruleset?consequential=true'
|
1297 | self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, ruleset) {
|
1298 | let validity
|
1299 |
|
1300 | self._log('_updateRules', { method: 'GET', path: '/v1/publisher/ruleset', errP: !!err })
|
1301 | if (err) return callback(err)
|
1302 |
|
1303 | validity = Joi.validate(ruleset, batPublisher.schema)
|
1304 | if (validity.error) {
|
1305 | self._log('_updateRules', { error: validity.error })
|
1306 | return callback(new Error(validity.error))
|
1307 | }
|
1308 |
|
1309 | if (!underscore.isEqual(self.state.ruleset || [], ruleset)) {
|
1310 | self.state.ruleset = ruleset
|
1311 |
|
1312 | batPublisher.rules = ruleset
|
1313 | }
|
1314 |
|
1315 | self._updateRulesV2(callback)
|
1316 | })
|
1317 | }
|
1318 |
|
1319 | Client.prototype._updateRulesV2 = function (callback) {
|
1320 | const self = this
|
1321 |
|
1322 | let path
|
1323 |
|
1324 | self.state.updatesStamp = underscore.now() + msecs.hour
|
1325 | if (self.options.verboseP) self.state.updatesDate = new Date(self.state.updatesStamp)
|
1326 |
|
1327 | path = '/v2/publisher/ruleset?limit=512&excludedOnly=false'
|
1328 | if (self.state.rulesV2Stamp) path += '×tamp=' + self.state.rulesV2Stamp
|
1329 | self._retryTrip(self, { path: path, method: 'GET' }, function (err, response, ruleset) {
|
1330 | let c, i, rule, ts
|
1331 |
|
1332 | self._log('_updateRules', { method: 'GET', path: '/v2/publisher/ruleset', errP: !!err })
|
1333 | if (err) return callback(err)
|
1334 |
|
1335 | if (ruleset.length === 0) return callback()
|
1336 |
|
1337 | if (!self.state.rulesetV2) self.state.rulesetV2 = []
|
1338 | self.state.rulesetV2 = self.state.rulesetV2.concat(ruleset)
|
1339 | rule = underscore.last(ruleset)
|
1340 |
|
1341 | if (ruleset.length < 512) {
|
1342 | ts = rule.timestamp.split('')
|
1343 | for (i = ts.length - 1; i >= 0; i--) {
|
1344 | c = ts[i]
|
1345 | if (c < '9') {
|
1346 | ts[i] = String.fromCharCode(ts[i].charCodeAt(0) + 1)
|
1347 | break
|
1348 | }
|
1349 | ts[i] = '0'
|
1350 | }
|
1351 |
|
1352 | self.state.rulesV2Stamp = ts.join('')
|
1353 | } else {
|
1354 | self.state.rulesV2Stamp = rule.timestamp
|
1355 | }
|
1356 |
|
1357 | setTimeout(function () { self._updateRulesV2.bind(self)(callback) }, 3 * msecs.second)
|
1358 | })
|
1359 | }
|
1360 |
|
1361 |
|
1362 | Client.prototype._retryTrip = (self, params, callback, retry) => {
|
1363 | let method
|
1364 |
|
1365 | const loser = (reason) => { setTimeout(() => { callback(new Error(reason)) }, 0) }
|
1366 | const rangeP = (n, min, max) => { return ((min <= n) && (n <= max) && (n === parseInt(n, 10))) }
|
1367 |
|
1368 | if (!retry) {
|
1369 | retry = underscore.defaults(params.backoff || {}, {
|
1370 | algorithm: 'binaryExponential', delay: 5 * 1000, retries: 3, tries: 0
|
1371 | })
|
1372 | if (!rangeP(retry.delay, 1, 30 * 1000)) return loser('invalid backoff delay')
|
1373 | if (!rangeP(retry.retries, 0, 10)) return loser('invalid backoff retries')
|
1374 | if (!rangeP(retry.tries, 0, retry.retries - 1)) return loser('invalid backoff tries')
|
1375 | }
|
1376 | method = retry.method || backoff[retry.algorithm]
|
1377 | if (typeof method !== 'function') return loser('invalid backoff algorithm')
|
1378 | method = method(retry.delay)
|
1379 |
|
1380 | self.roundtrip(params, (err, response, payload) => {
|
1381 | const code = response && Math.floor(response.statusCode / 100)
|
1382 |
|
1383 | if ((!err) || (code !== 5) || (retry.retries-- < 0)) return callback(err, response, payload)
|
1384 |
|
1385 | return setTimeout(() => { self._retryTrip(self, params, callback, retry) }, method(++retry.tries))
|
1386 | })
|
1387 | }
|
1388 |
|
1389 | Client.prototype._roundTrip = function (params, callback) {
|
1390 | const self = this
|
1391 |
|
1392 | const server = self.options.server
|
1393 | const client = server.protocol === 'https:' ? https : http
|
1394 | let request, timeoutP
|
1395 |
|
1396 | params = underscore.extend(underscore.pick(self.options.server, [ 'protocol', 'hostname', 'port' ]), params)
|
1397 | params.headers = underscore.defaults(params.headers || {},
|
1398 | { 'content-type': 'application/json; charset=utf-8', 'accept-encoding': '' })
|
1399 |
|
1400 | request = client.request(underscore.omit(params, [ 'useProxy', 'payload' ]), function (response) {
|
1401 | let body = ''
|
1402 |
|
1403 | if (timeoutP) return
|
1404 | response.on('data', function (chunk) {
|
1405 | body += chunk.toString()
|
1406 | }).on('end', function () {
|
1407 | let payload
|
1408 |
|
1409 | if (params.timeout) request.setTimeout(0)
|
1410 |
|
1411 | if (self.options.verboseP) {
|
1412 | console.log('[ response for ' + params.method + ' ' + server.protocol + '//' + server.hostname + params.path + ' ]')
|
1413 | console.log('>>> HTTP/' + response.httpVersionMajor + '.' + response.httpVersionMinor + ' ' + response.statusCode +
|
1414 | ' ' + (response.statusMessage || ''))
|
1415 | underscore.keys(response.headers).forEach(function (header) {
|
1416 | console.log('>>> ' + header + ': ' + response.headers[header])
|
1417 | })
|
1418 | console.log('>>>')
|
1419 | console.log('>>> ' + body.split('\n').join('\n>>> '))
|
1420 | }
|
1421 | if (Math.floor(response.statusCode / 100) !== 2) {
|
1422 | self._log('_roundTrip', { error: 'HTTP response ' + response.statusCode })
|
1423 | return callback(new Error('HTTP response ' + response.statusCode), response, null)
|
1424 | }
|
1425 |
|
1426 | try {
|
1427 | payload = (response.statusCode !== 204) ? JSON.parse(body) : null
|
1428 | } catch (err) {
|
1429 | return callback(err, response, null)
|
1430 | }
|
1431 |
|
1432 | try {
|
1433 | callback(null, response, payload)
|
1434 | } catch (err0) {
|
1435 | if (self.options.verboseP) console.log('callback: ' + err0.toString() + '\n' + err0.stack)
|
1436 | }
|
1437 | }).setEncoding('utf8')
|
1438 | }).on('error', function (err) {
|
1439 | callback(err)
|
1440 | }).on('timeout', function () {
|
1441 | timeoutP = true
|
1442 | callback(new Error('timeout'))
|
1443 | })
|
1444 | if (params.payload) request.write(JSON.stringify(params.payload))
|
1445 | request.end()
|
1446 |
|
1447 | if (!self.options.verboseP) return
|
1448 |
|
1449 | console.log('<<< ' + params.method + ' ' + params.protocol + '//' + params.hostname + params.path)
|
1450 | underscore.keys(params.headers).forEach(function (header) { console.log('<<< ' + header + ': ' + params.headers[header]) })
|
1451 | console.log('<<<')
|
1452 | if (params.payload) console.log('<<< ' + JSON.stringify(params.payload, null, 2).split('\n').join('\n<<< '))
|
1453 | }
|
1454 |
|
1455 | Client.prototype.credentialWorker = function (operation, payload, callback) {
|
1456 | const self = this
|
1457 |
|
1458 | const msgno = self.seqno++
|
1459 | const request = { msgno: msgno, operation: operation, payload: payload }
|
1460 | let worker
|
1461 |
|
1462 | self.callbacks[msgno] = { verboseP: self.options.verboseP, callback: callback }
|
1463 |
|
1464 | worker = self.options.createWorker('bat-client/worker.js')
|
1465 | worker.onmessage = function (evt) {
|
1466 | const response = evt.data
|
1467 | const state = self.callbacks[response.msgno]
|
1468 |
|
1469 | if (!state) return console.log('! >>> not expecting msgno=' + response.msgno)
|
1470 |
|
1471 | delete self.callbacks[response.msgno]
|
1472 | if (state.verboseP) console.log('! >>> ' + JSON.stringify(response, null, 2))
|
1473 | state.callback(response.err, response.result)
|
1474 | worker.terminate()
|
1475 | }
|
1476 | worker.onerror = function (message, stack) {
|
1477 | console.log('! >>> worker error: ' + message)
|
1478 | console.log(stack)
|
1479 | try { worker.terminate() } catch (ex) { }
|
1480 | }
|
1481 |
|
1482 | worker.on('start', function () {
|
1483 | if (self.options.verboseP) console.log('! <<< ' + JSON.stringify(request, null, 2))
|
1484 | worker.postMessage(request)
|
1485 | })
|
1486 | worker.start()
|
1487 | }
|
1488 |
|
1489 | Client.prototype.credentialRequest = function (credential, callback) {
|
1490 | let proof
|
1491 |
|
1492 | if (this.options.createWorker) return this.credentialWorker('request', { credential: JSON.stringify(credential) }, callback)
|
1493 |
|
1494 | try { proof = credential.request() } catch (ex) { return callback(ex) }
|
1495 | callback(null, { proof: proof })
|
1496 | }
|
1497 |
|
1498 | Client.prototype.credentialFinalize = function (credential, verification, callback) {
|
1499 | if (this.options.createWorker) {
|
1500 | return this.credentialWorker('finalize', { credential: JSON.stringify(credential), verification: verification }, callback)
|
1501 | }
|
1502 |
|
1503 | try { credential.finalize(verification) } catch (ex) { return callback(ex) }
|
1504 | callback(null, { credential: JSON.stringify(credential) })
|
1505 | }
|
1506 |
|
1507 | Client.prototype.credentialSubmit = function (ballots, callback) {
|
1508 | if (this.options.createWorker) {
|
1509 | return this.credentialWorker('submit', { ballots, multiple: true }, callback)
|
1510 | }
|
1511 |
|
1512 | try {
|
1513 | let payload = []
|
1514 | ballots.forEach(ballot => {
|
1515 | const credential = new anonize.Credential(ballot.credential)
|
1516 | const surveyor = new anonize.Surveyor(ballot.surveyor)
|
1517 |
|
1518 | payload.push({
|
1519 | surveyorId: surveyor.parameters.surveyorId,
|
1520 | proof: credential.submit(surveyor, { publisher: ballot.publisher })
|
1521 | })
|
1522 | })
|
1523 | return callback(null, { payload })
|
1524 | } catch (ex) {
|
1525 | return callback(ex)
|
1526 | }
|
1527 | }
|
1528 |
|
1529 | Client.prototype._fuzzing = function (synopsis, callback) {
|
1530 | let duration = 0
|
1531 | let remaining = this.state.reconcileStamp - underscore.now()
|
1532 | let advance, memo, ratio, window
|
1533 |
|
1534 | if ((!synopsis) ||
|
1535 | (remaining > (3 * msecs.day)) ||
|
1536 | (this.options && this.options.noFuzzing) ||
|
1537 | (this.boolion(process.env.LEDGER_NO_FUZZING))) return
|
1538 |
|
1539 | const pruned = synopsis.prune()
|
1540 | underscore.keys(synopsis.publishers).forEach((publisher) => {
|
1541 | duration += synopsis.publishers[publisher].duration
|
1542 | })
|
1543 |
|
1544 | // at the moment hard-wired to 30 minutes every 30 days
|
1545 | ratio = duration / (30 * msecs.minute)
|
1546 | memo = { duration: duration, ratio1: ratio, numFrames: synopsis.options.numFrames, frameSize: synopsis.options.frameSize }
|
1547 | window = synopsis.options.numFrames * synopsis.options.frameSize
|
1548 | if (window > 0) ratio *= (30 * msecs.day) / window
|
1549 | if (ratio >= 1.0) {
|
1550 | if (pruned && callback) {
|
1551 | callback(null, pruned)
|
1552 | }
|
1553 | return
|
1554 | }
|
1555 |
|
1556 | memo.window = window
|
1557 | memo.ratio2 = ratio
|
1558 |
|
1559 | const totalDays = this.state.properties.days * msecs.day
|
1560 |
|
1561 | advance = totalDays - Math.round(totalDays * (1.0 - ratio))
|
1562 | memo.advance1 = advance
|
1563 | if (advance > (2 * msecs.day) || advance <= 0) advance = 2 * msecs.day
|
1564 | memo.advance2 = advance
|
1565 | if (advance) {
|
1566 | this.state.reconcileStamp = underscore.now() + 3 * msecs.day + advance
|
1567 | }
|
1568 | memo.reconcileStamp = this.state.reconcileStamp
|
1569 | memo.reconcileDate = new Date(memo.reconcileStamp)
|
1570 |
|
1571 | if (callback) {
|
1572 | callback(advance, pruned)
|
1573 | }
|
1574 |
|
1575 | this.memo('_fuzzing', memo)
|
1576 | }
|
1577 | /*
|
1578 | *
|
1579 | * utilities
|
1580 | *
|
1581 | */
|
1582 |
|
1583 | Client.prototype.boolion = function (value) {
|
1584 | const f = {
|
1585 | undefined: function () {
|
1586 | return false
|
1587 | },
|
1588 |
|
1589 | boolean: function () {
|
1590 | return value
|
1591 | },
|
1592 |
|
1593 | // handles `Infinity` and `NaN`
|
1594 | number: function () {
|
1595 | return (!!value)
|
1596 | },
|
1597 |
|
1598 | string: function () {
|
1599 | return ([ 'n', 'no', 'false', '0' ].indexOf(value.toLowerCase()) === -1)
|
1600 | },
|
1601 |
|
1602 | // handles `null`
|
1603 | object: function () {
|
1604 | return (!!value)
|
1605 | }
|
1606 | }[typeof value] || function () { return false }
|
1607 |
|
1608 | return f()
|
1609 | }
|
1610 |
|
1611 | Client.prototype.numbion = function (value) {
|
1612 | if (typeof value === 'string') value = parseInt(value, 10)
|
1613 |
|
1614 | const f = {
|
1615 | undefined: function () {
|
1616 | return 0
|
1617 | },
|
1618 |
|
1619 | boolean: function () {
|
1620 | return (value ? 1 : 0)
|
1621 | },
|
1622 |
|
1623 | // handles `Infinity` and `NaN`
|
1624 | number: function () {
|
1625 | return (Number.isFinite(value) ? value : 0)
|
1626 | },
|
1627 |
|
1628 | object: function () {
|
1629 | return (value ? 1 : 0)
|
1630 | }
|
1631 | }[typeof value] || function () { return 0 }
|
1632 |
|
1633 | return f()
|
1634 | }
|
1635 |
|
1636 | module.exports = Client
|
1637 |
|
\ | No newline at end of file |