bitcore-wallet-service
Version:
A service for Mutisig HD Bitcoin Wallets
348 lines • 13.8 kB
JavaScript
"use strict";
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
var desc = Object.getOwnPropertyDescriptor(m, k);
if (!desc || ("get" in desc ? !m.__esModule : desc.writable || desc.configurable)) {
desc = { enumerable: true, get: function() { return m[k]; } };
}
Object.defineProperty(o, k2, desc);
}) : (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
o[k2] = m[k];
}));
var __setModuleDefault = (this && this.__setModuleDefault) || (Object.create ? (function(o, v) {
Object.defineProperty(o, "default", { enumerable: true, value: v });
}) : function(o, v) {
o["default"] = v;
});
var __importStar = (this && this.__importStar) || (function () {
var ownKeys = function(o) {
ownKeys = Object.getOwnPropertyNames || function (o) {
var ar = [];
for (var k in o) if (Object.prototype.hasOwnProperty.call(o, k)) ar[ar.length] = k;
return ar;
};
return ownKeys(o);
};
return function (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k = ownKeys(mod), i = 0; i < k.length; i++) if (k[i] !== "default") __createBinding(result, mod, k[i]);
__setModuleDefault(result, mod);
return result;
};
})();
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
exports.ChangellyService = void 0;
const crypto = __importStar(require("crypto"));
const request = __importStar(require("request"));
const config_1 = __importDefault(require("../config"));
const clienterror_1 = require("../lib/errors/clienterror");
const errordefinitions_1 = require("../lib/errors/errordefinitions");
const logger_1 = __importDefault(require("../lib/logger"));
const server_1 = require("../lib/server");
class ChangellyService {
constructor() {
this.request = request;
}
changellyGetKeysV2(req) {
if (!config_1.default.changelly) {
logger_1.default.warn('Changelly missing credentials');
throw new Error('ClientError: Service not configured.');
}
else if (!config_1.default.changelly.v2) {
logger_1.default.warn('Changelly v2 missing credentials');
throw new Error('ClientError: Service v2 not configured.');
}
const keys = {
API: config_1.default.changelly.v2.api,
SECRET: config_1.default.changelly.v2.secret
};
return keys;
}
changellySignRequestsV2(message, secret) {
if (!message || !secret)
throw new Error('Missing parameters to sign Changelly v2 request');
const privateKey = crypto.createPrivateKey({
key: Buffer.from(secret, 'hex'),
format: 'der',
type: 'pkcs8',
});
const publicKey = crypto.createPublicKey(privateKey).export({
type: 'pkcs1',
format: 'der'
});
const signature = crypto.sign('sha256', Buffer.from(JSON.stringify(message)), privateKey);
return { signature, publicKey };
}
changellyGetCurrencies(req) {
return new Promise((resolve, reject) => {
let keys, headers;
if (req.body.useV2) {
keys = this.changellyGetKeysV2(req);
}
else {
return reject(errordefinitions_1.Errors.UPGRADE_NEEDED.withMessage('Credentials expired, please update the app to continue using Changelly services.'));
}
if (!(0, server_1.checkRequired)(req.body, ['id'])) {
return reject(new clienterror_1.ClientError('changellyGetCurrencies request missing arguments'));
}
const message = {
jsonrpc: '2.0',
id: req.body.id,
method: req.body.full ? 'getCurrenciesFull' : 'getCurrencies',
params: {}
};
const URL = keys.API;
const { signature, publicKey } = this.changellySignRequestsV2(message, keys.SECRET);
headers = {
'Content-Type': 'application/json',
'X-Api-Key': crypto.createHash('sha256').update(publicKey).digest('base64'),
'X-Api-Signature': signature.toString('base64'),
};
this.request.post(URL, {
headers,
body: message,
json: true
}, (err, data) => {
if (err) {
return reject(err.body ?? err);
}
else {
return resolve(data.body);
}
});
});
}
changellyGetPairsParams(req) {
return new Promise((resolve, reject) => {
let keys, headers;
if (req.body.useV2) {
keys = this.changellyGetKeysV2(req);
}
else {
return reject(errordefinitions_1.Errors.UPGRADE_NEEDED.withMessage('Credentials expired, please update the app to continue using Changelly services.'));
}
if (!(0, server_1.checkRequired)(req.body, ['id', 'coinFrom', 'coinTo'])) {
return reject(new clienterror_1.ClientError('changellyGetPairsParams request missing arguments'));
}
const message = {
id: req.body.id,
jsonrpc: '2.0',
method: 'getPairsParams',
params: [
{
from: req.body.coinFrom,
to: req.body.coinTo
}
]
};
const URL = keys.API;
const { signature, publicKey } = this.changellySignRequestsV2(message, keys.SECRET);
headers = {
'Content-Type': 'application/json',
'X-Api-Key': crypto.createHash('sha256').update(publicKey).digest('base64'),
'X-Api-Signature': signature.toString('base64'),
};
this.request.post(URL, {
headers,
body: message,
json: true
}, (err, data) => {
if (err) {
return reject(err.body ?? err);
}
else {
return resolve(data.body);
}
});
});
}
changellyGetFixRateForAmount(req) {
return new Promise((resolve, reject) => {
let keys, headers;
if (req.body.useV2) {
keys = this.changellyGetKeysV2(req);
}
else {
return reject(errordefinitions_1.Errors.UPGRADE_NEEDED.withMessage('Credentials expired, please update the app to continue using Changelly services.'));
}
if (!(0, server_1.checkRequired)(req.body, ['id', 'coinFrom', 'coinTo', 'amountFrom'])) {
return reject(new clienterror_1.ClientError('changellyGetFixRateForAmount request missing arguments'));
}
const message = {
id: req.body.id,
jsonrpc: '2.0',
method: 'getFixRateForAmount',
params: [
{
from: req.body.coinFrom,
to: req.body.coinTo,
amountFrom: req.body.amountFrom
}
]
};
const URL = keys.API;
const { signature, publicKey } = this.changellySignRequestsV2(message, keys.SECRET);
headers = {
'Content-Type': 'application/json',
'X-Api-Key': crypto.createHash('sha256').update(publicKey).digest('base64'),
'X-Api-Signature': signature.toString('base64'),
};
this.request.post(URL, {
headers,
body: message,
json: true
}, (err, data) => {
if (err) {
return reject(err.body ?? err);
}
else {
return resolve(data.body);
}
});
});
}
changellyCreateFixTransaction(req) {
return new Promise((resolve, reject) => {
let keys, headers;
if (req.body.useV2) {
keys = this.changellyGetKeysV2(req);
}
else {
return reject(errordefinitions_1.Errors.UPGRADE_NEEDED.withMessage('Credentials expired, please update the app to continue using Changelly services.'));
}
if (!(0, server_1.checkRequired)(req.body, [
'id',
'coinFrom',
'coinTo',
'amountFrom',
'addressTo',
'fixedRateId',
'refundAddress'
])) {
return reject(new clienterror_1.ClientError('changellyCreateFixTransaction request missing arguments'));
}
const message = {
id: req.body.id,
jsonrpc: '2.0',
method: 'createFixTransaction',
params: {
from: req.body.coinFrom,
to: req.body.coinTo,
address: req.body.addressTo,
amountFrom: req.body.amountFrom,
rateId: req.body.fixedRateId,
refundAddress: req.body.refundAddress
}
};
const URL = keys.API;
const { signature, publicKey } = this.changellySignRequestsV2(message, keys.SECRET);
headers = {
'Content-Type': 'application/json',
'X-Api-Key': crypto.createHash('sha256').update(publicKey).digest('base64'),
'X-Api-Signature': signature.toString('base64'),
};
this.request.post(URL, {
headers,
body: message,
json: true
}, (err, data) => {
if (err) {
return reject(err.body ?? err);
}
else {
return resolve(data.body);
}
});
});
}
changellyGetTransactions(req) {
return new Promise((resolve, reject) => {
let keys, headers;
if (req.body.useV2) {
keys = this.changellyGetKeysV2(req);
}
else {
return reject(errordefinitions_1.Errors.UPGRADE_NEEDED.withMessage('Credentials expired, please update the app to continue using Changelly services.'));
}
if (!(0, server_1.checkRequired)(req.body, ['id', 'exchangeTxId'])) {
return reject(new clienterror_1.ClientError('changellyGetTransactions request missing arguments'));
}
const message = {
id: req.body.id,
jsonrpc: '2.0',
method: 'getTransactions',
params: {
id: req.body.exchangeTxId,
limit: req.body.limit ?? 1,
}
};
const URL = keys.API;
const { signature, publicKey } = this.changellySignRequestsV2(message, keys.SECRET);
headers = {
'Content-Type': 'application/json',
'X-Api-Key': crypto.createHash('sha256').update(publicKey).digest('base64'),
'X-Api-Signature': signature.toString('base64'),
};
this.request.post(URL, {
headers,
body: message,
json: true
}, (err, data) => {
if (err) {
return reject(err.body ?? err);
}
else {
return resolve(data.body);
}
});
});
}
changellyGetStatus(req) {
return new Promise((resolve, reject) => {
let keys, headers;
if (req.body.useV2) {
keys = this.changellyGetKeysV2(req);
}
else {
return reject(errordefinitions_1.Errors.UPGRADE_NEEDED.withMessage('Credentials expired, please update the app to continue using Changelly services.'));
}
if (!(0, server_1.checkRequired)(req.body, ['id', 'exchangeTxId'])) {
return reject(new clienterror_1.ClientError('changellyGetStatus request missing arguments'));
}
const message = {
jsonrpc: '2.0',
id: req.body.id,
method: 'getStatus',
params: {
id: req.body.exchangeTxId
}
};
const URL = keys.API;
const { signature, publicKey } = this.changellySignRequestsV2(message, keys.SECRET);
headers = {
'Content-Type': 'application/json',
'X-Api-Key': crypto.createHash('sha256').update(publicKey).digest('base64'),
'X-Api-Signature': signature.toString('base64'),
};
this.request.post(URL, {
headers,
body: message,
json: true
}, (err, data) => {
if (err) {
return reject(err.body ?? err);
}
else {
return resolve(data.body);
}
});
});
}
}
exports.ChangellyService = ChangellyService;
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