BlueWallet/class/hodl-hodl-api.js
2020-09-07 12:21:14 +01:00

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import Frisbee from 'frisbee';
const CryptoJS = require('crypto-js');
export class HodlHodlApi {
static PAGINATION_LIMIT = 'limit'; // int
static PAGINATION_OFFSET = 'offset'; // int
static FILTERS_ASSET_CODE = 'asset_code';
static FILTERS_ASSET_CODE_VALUE_BTC = 'BTC';
static FILTERS_ASSET_CODE_VALUE_BTCLN = 'BTCLN';
static FILTERS_SIDE = 'side';
static FILTERS_SIDE_VALUE_BUY = 'buy';
static FILTERS_SIDE_VALUE_SELL = 'sell';
static FILTERS_INCLUDE_GLOBAL = 'include_global'; // bool
static FILTERS_ONLY_WORKING_NOW = 'only_working_now'; // bool
static FILTERS_COUNTRY = 'country'; // code or name (or "Global")
static FILTERS_COUNTRY_VALUE_GLOBAL = 'Global'; // code or name
static FILTERS_CURRENCY_CODE = 'currency_code';
static FILTERS_PAYMENT_METHOD_ID = 'payment_method_id';
static FILTERS_PAYMENT_METHOD_TYPE = 'payment_method_type';
static FILTERS_PAYMENT_METHOD_NAME = 'payment_method_name';
static FILTERS_VOLUME = 'volume';
static FILTERS_PAYMENT_WINDOW_MINUTES_MAX = 'payment_window_minutes_max'; // in minutes
static FILTERS_USER_AVERAGE_PAYMENT_TIME_MINUTES_MAX = 'user_average_payment_time_minutes_max'; // in minutes
static FILTERS_USER_AVERAGE_RELEASE_TIME_MINUTES_MAX = 'user_average_release_time_minutes_max'; // in minutes
static SORT_DIRECTION = 'direction';
static SORT_DIRECTION_VALUE_ASC = 'asc';
static SORT_DIRECTION_VALUE_DESC = 'desc';
static SORT_BY = 'by';
static SORT_BY_VALUE_PRICE = 'price';
static SORT_BY_VALUE_PAYMENT_WINDOW_MINUTES = 'payment_window_minutes';
static SORT_BY_VALUE_USER_AVERAGE_PAYMENT_TIME_MINUTES = 'user_average_payment_time_minutes';
static SORT_BY_VALUE_USER_AVERAGE_RELEASE_TIME_MINUTES = 'user_average_release_time_minutes';
static SORT_BY_VALUE_RATING = 'rating';
constructor(apiKey = false) {
this.baseURI = 'https://hodlhodl.com/';
this.apiKey = apiKey || 'cmO8iLFgx9wrxCe9R7zFtbWpqVqpGuDfXR3FJB0PSGCd7EAh3xgG51vBKgNTAF8fEEpS0loqZ9P1fDZt';
this._api = new Frisbee({ baseURI: this.baseURI });
}
_getHeaders() {
return {
headers: {
'Access-Control-Allow-Origin': '*',
'Content-Type': 'application/json',
Authorization: 'Bearer ' + this.apiKey,
},
};
}
_getHeadersWithoutAuthorization() {
return {
headers: {
'Access-Control-Allow-Origin': '*',
'Content-Type': 'application/json',
},
};
}
async getCountries() {
const response = await this._api.get('/api/v1/countries', this._getHeaders());
const json = response.body;
if (!json || !json.countries || json.status === 'error') {
throw new Error('API failure: ' + JSON.stringify(response));
}
return (this._countries = json.countries);
}
async getMyCountryCode() {
const _api = new Frisbee({ baseURI: 'https://ifconfig.co/' });
const _api2 = new Frisbee({ baseURI: 'https://geolocation-db.com/' });
let response;
let allowedTries = 6;
while (allowedTries > 0) {
// this API fails a lot, so lets retry several times
response = await _api.get('/country-iso', { headers: { 'Access-Control-Allow-Origin': '*' } });
let body = response.body;
if (typeof body === 'string') body = body.replace('\n', '');
if (!body || body.length !== 2) {
// trying api2
const response = await _api2.get('/json/', { headers: { 'Access-Control-Allow-Origin': '*' } });
body = response.body;
let json;
try {
json = JSON.parse(body);
} catch (_) {}
if (json && json.country_code) return (this._myCountryCode = json.country_code);
// failed, retry
allowedTries--;
await (async () => new Promise(resolve => setTimeout(resolve, 3000)))(); // sleep
} else {
return (this._myCountryCode = body);
}
}
throw new Error('API failure after several tries: ' + JSON.stringify(response));
}
async getPaymentMethods(country) {
const response = await this._api.get('/api/v1/payment_methods?filters[country]=' + country, this._getHeaders());
const json = response.body;
if (!json || !json.payment_methods || json.status === 'error') {
throw new Error('API failure: ' + JSON.stringify(response));
}
return (this._payment_methods = json.payment_methods.sort((a, b) => (a.name.toLowerCase() > b.name.toLowerCase() ? 1 : -1)));
}
async getCurrencies() {
const response = await this._api.get('/api/v1/currencies', this._getHeaders());
const json = response.body;
if (!json || !json.currencies || json.status === 'error') {
throw new Error('API failure: ' + JSON.stringify(response));
}
return (this._currencies = json.currencies.sort((a, b) => (a.name.toLowerCase() > b.name.toLowerCase() ? 1 : -1)));
}
async getOffer(id) {
const response = await this._api.get('/api/v1/offers/' + id, this._getHeadersWithoutAuthorization());
const json = response.body;
if (!json || !json.offer || json.status === 'error') {
throw new Error('API failure: ' + JSON.stringify(response));
}
return json.offer;
}
async getOffers(pagination = {}, filters = {}, sort = {}) {
const uri = [];
for (const key in sort) {
uri.push('sort[' + key + ']=' + sort[key]);
}
for (const key in filters) {
uri.push('filters[' + key + ']=' + filters[key]);
}
for (const key in pagination) {
uri.push('pagination[' + key + ']=' + pagination[key]);
}
const response = await this._api.get('/api/v1/offers?' + uri.join('&'), this._getHeadersWithoutAuthorization());
const json = response.body;
if (!json || !json.offers || json.status === 'error') {
throw new Error('API failure: ' + JSON.stringify(response));
}
return (this._offers = json.offers);
}
createSignature(apiKey, sigKey, nonce) {
const sourceMessageForSigning = apiKey + ':' + nonce; // <api_key>:<nonce>
return CryptoJS.HmacSHA256(sourceMessageForSigning, sigKey).toString(CryptoJS.enc.Hex);
}
/**
* @see https://gitlab.com/hodlhodl-public/public_docs/-/blob/master/autologin.md
*
* @param apiSigKey {string}
* @param nonce {integer|null} Optional unix timestamp (sec, not msec), or nothing
* @returns {Promise<string>} Token usable for autologin (works only once and only about 30 seconds)
*/
async requestAutologinToken(apiSigKey, nonce) {
nonce = nonce || Math.floor(+new Date() / 1000);
const signature = this.createSignature(this.apiKey, apiSigKey, nonce);
const response = await this._api.get('/api/v1/users/login_token?nonce=' + nonce + '&hmac=' + signature, this._getHeaders());
const json = response.body;
if (!json || !json.token || json.status === 'error') {
throw new Error('API failure: ' + JSON.stringify(response));
}
return json.token;
}
async getMyself() {
const response = await this._api.get('/api/v1/users/me', this._getHeaders());
const json = response.body;
if (!json || !json.user || json.status === 'error') {
throw new Error('API failure: ' + JSON.stringify(response));
}
return (this._user = json.user);
}
async acceptOffer(id, version, paymentMethodInstructionId, paymentMethodInstructionVersion, value) {
const response = await this._api.post(
'/api/v1/contracts',
Object.assign({}, this._getHeaders(), {
body: {
contract: {
offer_id: id,
offer_version: version,
payment_method_instruction_id: paymentMethodInstructionId,
payment_method_instruction_version: paymentMethodInstructionVersion,
comment: 'I accept your offer',
value,
},
},
}),
);
const json = response.body;
if (!json || !json.contract || json.status === 'error') {
if (json && json.validation_errors) throw new Error(this.validationErrorsToReadable(json.validation_errors));
throw new Error('API failure: ' + JSON.stringify(response));
}
return json.contract;
}
validationErrorsToReadable(errorz) {
const ret = [];
for (const er of Object.keys(errorz)) {
if (Array.isArray(errorz[er])) {
ret.push(errorz[er].join('; '));
} else {
ret.push(errorz[er]);
}
}
return ret.join('\n');
}
async getContract(id) {
const response = await this._api.get('/api/v1/contracts/' + id, this._getHeaders());
const json = response.body;
if (!json || !json.contract || json.status === 'error') {
throw new Error('API failure: ' + JSON.stringify(response));
}
return json.contract;
}
verifyEscrowAddress(encryptedSeed, encryptPassword, index, address, witnessScript) {
// TODO
// @see https://gitlab.com/hodlhodl-public/hodl-client-js
return true;
}
/**
* This method is used to confirm that client-side validation of escrow data was successful.
* This method should be called immediately after escrow address appeared in Getting contract response and this escrow address has been verified locally by the client.
*
* @param id
* @returns {Promise<{}>}
*/
async markContractAsConfirmed(id) {
const response = await this._api.post('/api/v1/contracts/' + id + '/confirm', this._getHeaders());
const json = response.body;
if (!json || !json.contract || json.status === 'error') {
throw new Error('API failure: ' + JSON.stringify(response));
}
return json.contract;
}
/**
* Buyer (and only buyer) should call this method when fiat payment was made.
* This method could be called only if contracts status is "in_progress".
*
* @param id
* @returns {Promise<{}>}
*/
async markContractAsPaid(id) {
const response = await this._api.post('/api/v1/contracts/' + id + '/mark_as_paid', this._getHeaders());
const json = response.body;
if (!json || !json.contract || json.status === 'error') {
throw new Error('API failure: ' + JSON.stringify(response));
}
return json.contract;
}
async cancelContract(id) {
const response = await this._api.post('/api/v1/contracts/' + id + '/cancel', this._getHeaders());
const json = response.body;
if (!json || !json.contract || json.status === 'error') {
if (json && json.validation_errors) throw new Error(this.validationErrorsToReadable(json.validation_errors));
throw new Error('API failure: ' + JSON.stringify(response));
}
return json.contract;
}
}