@onekeyfe/blockchain-link
Version:
High-level javascript interface for blockchain communication
830 lines (829 loc) • 31.6 kB
JavaScript
"use strict";
var __assign = (this && this.__assign) || function () {
__assign = Object.assign || function(t) {
for (var s, i = 1, n = arguments.length; i < n; i++) {
s = arguments[i];
for (var p in s) if (Object.prototype.hasOwnProperty.call(s, p))
t[p] = s[p];
}
return t;
};
return __assign.apply(this, arguments);
};
var __createBinding = (this && this.__createBinding) || (Object.create ? (function(o, m, k, k2) {
if (k2 === undefined) k2 = k;
Object.defineProperty(o, k2, { enumerable: true, get: function() { return m[k]; } });
}) : (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 (mod) {
if (mod && mod.__esModule) return mod;
var result = {};
if (mod != null) for (var k in mod) if (k !== "default" && Object.prototype.hasOwnProperty.call(mod, k)) __createBinding(result, mod, k);
__setModuleDefault(result, mod);
return result;
};
var __awaiter = (this && this.__awaiter) || function (thisArg, _arguments, P, generator) {
function adopt(value) { return value instanceof P ? value : new P(function (resolve) { resolve(value); }); }
return new (P || (P = Promise))(function (resolve, reject) {
function fulfilled(value) { try { step(generator.next(value)); } catch (e) { reject(e); } }
function rejected(value) { try { step(generator["throw"](value)); } catch (e) { reject(e); } }
function step(result) { result.done ? resolve(result.value) : adopt(result.value).then(fulfilled, rejected); }
step((generator = generator.apply(thisArg, _arguments || [])).next());
});
};
var __generator = (this && this.__generator) || function (thisArg, body) {
var _ = { label: 0, sent: function() { if (t[0] & 1) throw t[1]; return t[1]; }, trys: [], ops: [] }, f, y, t, g;
return g = { next: verb(0), "throw": verb(1), "return": verb(2) }, typeof Symbol === "function" && (g[Symbol.iterator] = function() { return this; }), g;
function verb(n) { return function (v) { return step([n, v]); }; }
function step(op) {
if (f) throw new TypeError("Generator is already executing.");
while (_) try {
if (f = 1, y && (t = op[0] & 2 ? y["return"] : op[0] ? y["throw"] || ((t = y["return"]) && t.call(y), 0) : y.next) && !(t = t.call(y, op[1])).done) return t;
if (y = 0, t) op = [op[0] & 2, t.value];
switch (op[0]) {
case 0: case 1: t = op; break;
case 4: _.label++; return { value: op[1], done: false };
case 5: _.label++; y = op[1]; op = [0]; continue;
case 7: op = _.ops.pop(); _.trys.pop(); continue;
default:
if (!(t = _.trys, t = t.length > 0 && t[t.length - 1]) && (op[0] === 6 || op[0] === 2)) { _ = 0; continue; }
if (op[0] === 3 && (!t || (op[1] > t[0] && op[1] < t[3]))) { _.label = op[1]; break; }
if (op[0] === 6 && _.label < t[1]) { _.label = t[1]; t = op; break; }
if (t && _.label < t[2]) { _.label = t[2]; _.ops.push(op); break; }
if (t[2]) _.ops.pop();
_.trys.pop(); continue;
}
op = body.call(thisArg, _);
} catch (e) { op = [6, e]; y = 0; } finally { f = t = 0; }
if (op[0] & 5) throw op[1]; return { value: op[0] ? op[1] : void 0, done: true };
}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var errors_1 = require("../../constants/errors");
var constants_1 = require("../../constants");
var websocket_1 = __importDefault(require("./websocket"));
var utils = __importStar(require("./utils"));
var common_1 = __importDefault(require("../common"));
var common = new common_1.default(postMessage);
var api;
var endpoints = [];
var cleanup = function () {
if (api) {
api.dispose();
api.removeAllListeners();
api = undefined;
}
endpoints = [];
common.removeAccounts(common.getAccounts());
common.removeAddresses(common.getAddresses());
common.clearSubscriptions();
};
var connect = function () { return __awaiter(void 0, void 0, void 0, function () {
var _a, server, timeout, pingTimeout, keepAlive, connection, error_1;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (api && api.isConnected())
return [2, api];
_a = common.getSettings(), server = _a.server, timeout = _a.timeout, pingTimeout = _a.pingTimeout, keepAlive = _a.keepAlive;
if (!server || !Array.isArray(server) || server.length < 1) {
throw new errors_1.CustomError('connect', 'Endpoint not set');
}
if (endpoints.length < 1) {
endpoints = common.shuffleEndpoints(server.slice(0));
}
common.debug('Connecting to', endpoints[0]);
connection = new websocket_1.default({
url: endpoints[0],
timeout: timeout,
pingTimeout: pingTimeout,
keepAlive: keepAlive,
});
_b.label = 1;
case 1:
_b.trys.push([1, 3, , 4]);
return [4, connection.connect()];
case 2:
_b.sent();
api = connection;
return [3, 4];
case 3:
error_1 = _b.sent();
common.debug('Websocket connection failed');
api = undefined;
endpoints.splice(0, 1);
if (endpoints.length < 1) {
throw new errors_1.CustomError('connect', 'All backends are down');
}
return [2, connect()];
case 4:
connection.on('disconnected', function () {
common.response({ id: -1, type: constants_1.RESPONSES.DISCONNECTED, payload: true });
cleanup();
});
common.response({
id: -1,
type: constants_1.RESPONSES.CONNECTED,
});
common.debug('Connected');
return [2, connection];
}
});
}); };
var getInfo = function (data) { return __awaiter(void 0, void 0, void 0, function () {
var socket, info, error_2;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 3, , 4]);
return [4, connect()];
case 1:
socket = _a.sent();
return [4, socket.getServerInfo()];
case 2:
info = _a.sent();
common.response({
id: data.id,
type: constants_1.RESPONSES.GET_INFO,
payload: __assign({ url: socket.options.url }, utils.transformServerInfo(info)),
});
return [3, 4];
case 3:
error_2 = _a.sent();
common.errorHandler({ id: data.id, error: error_2 });
return [3, 4];
case 4: return [2];
}
});
}); };
var getBlockHash = function (data) { return __awaiter(void 0, void 0, void 0, function () {
var socket, info, error_3;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 3, , 4]);
return [4, connect()];
case 1:
socket = _a.sent();
return [4, socket.getBlockHash(data.payload)];
case 2:
info = _a.sent();
common.response({
id: data.id,
type: constants_1.RESPONSES.GET_BLOCK_HASH,
payload: info.hash,
});
return [3, 4];
case 3:
error_3 = _a.sent();
common.errorHandler({ id: data.id, error: error_3 });
return [3, 4];
case 4: return [2];
}
});
}); };
var getAccountInfo = function (data) { return __awaiter(void 0, void 0, void 0, function () {
var payload, socket, info, error_4;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
payload = data.payload;
_a.label = 1;
case 1:
_a.trys.push([1, 4, , 5]);
return [4, connect()];
case 2:
socket = _a.sent();
return [4, socket.getAccountInfo(payload)];
case 3:
info = _a.sent();
common.response({
id: data.id,
type: constants_1.RESPONSES.GET_ACCOUNT_INFO,
payload: utils.transformAccountInfo(info),
});
return [3, 5];
case 4:
error_4 = _a.sent();
common.errorHandler({ id: data.id, error: error_4 });
return [3, 5];
case 5: return [2];
}
});
}); };
var getAccountUtxo = function (data) { return __awaiter(void 0, void 0, void 0, function () {
var payload, socket, utxos, error_5;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
payload = data.payload;
_a.label = 1;
case 1:
_a.trys.push([1, 4, , 5]);
return [4, connect()];
case 2:
socket = _a.sent();
return [4, socket.getAccountUtxo(payload)];
case 3:
utxos = _a.sent();
common.response({
id: data.id,
type: constants_1.RESPONSES.GET_ACCOUNT_UTXO,
payload: utils.transformAccountUtxo(utxos),
});
return [3, 5];
case 4:
error_5 = _a.sent();
common.errorHandler({ id: data.id, error: error_5 });
return [3, 5];
case 5: return [2];
}
});
}); };
var getAccountBalanceHistory = function (data) { return __awaiter(void 0, void 0, void 0, function () {
var payload, socket, history, error_6;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
payload = data.payload;
_a.label = 1;
case 1:
_a.trys.push([1, 4, , 5]);
return [4, connect()];
case 2:
socket = _a.sent();
return [4, socket.getAccountBalanceHistory(payload)];
case 3:
history = _a.sent();
common.response({
id: data.id,
type: constants_1.RESPONSES.GET_ACCOUNT_BALANCE_HISTORY,
payload: history,
});
return [3, 5];
case 4:
error_6 = _a.sent();
common.errorHandler({ id: data.id, error: error_6 });
return [3, 5];
case 5: return [2];
}
});
}); };
var getCurrentFiatRates = function (data) { return __awaiter(void 0, void 0, void 0, function () {
var payload, socket, fiatRates, error_7;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
payload = data.payload;
_a.label = 1;
case 1:
_a.trys.push([1, 4, , 5]);
return [4, connect()];
case 2:
socket = _a.sent();
return [4, socket.getCurrentFiatRates(payload)];
case 3:
fiatRates = _a.sent();
common.response({
id: data.id,
type: constants_1.RESPONSES.GET_CURRENT_FIAT_RATES,
payload: fiatRates,
});
return [3, 5];
case 4:
error_7 = _a.sent();
common.errorHandler({ id: data.id, error: error_7 });
return [3, 5];
case 5: return [2];
}
});
}); };
var getFiatRatesForTimestamps = function (data) { return __awaiter(void 0, void 0, void 0, function () {
var payload, socket, tickers, error_8;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
payload = data.payload;
_a.label = 1;
case 1:
_a.trys.push([1, 4, , 5]);
return [4, connect()];
case 2:
socket = _a.sent();
return [4, socket.getFiatRatesForTimestamps(payload)];
case 3:
tickers = (_a.sent()).tickers;
common.response({
id: data.id,
type: constants_1.RESPONSES.GET_FIAT_RATES_FOR_TIMESTAMPS,
payload: { tickers: tickers },
});
return [3, 5];
case 4:
error_8 = _a.sent();
common.errorHandler({ id: data.id, error: error_8 });
return [3, 5];
case 5: return [2];
}
});
}); };
var getFiatRatesTickersList = function (data) { return __awaiter(void 0, void 0, void 0, function () {
var payload, socket, tickers, error_9;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
payload = data.payload;
_a.label = 1;
case 1:
_a.trys.push([1, 4, , 5]);
return [4, connect()];
case 2:
socket = _a.sent();
return [4, socket.getFiatRatesTickersList(payload)];
case 3:
tickers = _a.sent();
common.response({
id: data.id,
type: constants_1.RESPONSES.GET_FIAT_RATES_TICKERS_LIST,
payload: {
ts: tickers.ts,
availableCurrencies: tickers.available_currencies,
},
});
return [3, 5];
case 4:
error_9 = _a.sent();
common.errorHandler({ id: data.id, error: error_9 });
return [3, 5];
case 5: return [2];
}
});
}); };
var getTransaction = function (data) { return __awaiter(void 0, void 0, void 0, function () {
var payload, socket, tx, error_10;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
payload = data.payload;
_a.label = 1;
case 1:
_a.trys.push([1, 4, , 5]);
return [4, connect()];
case 2:
socket = _a.sent();
return [4, socket.getTransaction(payload)];
case 3:
tx = _a.sent();
common.response({
id: data.id,
type: constants_1.RESPONSES.GET_TRANSACTION,
payload: {
type: 'blockbook',
tx: tx,
},
});
return [3, 5];
case 4:
error_10 = _a.sent();
common.errorHandler({ id: data.id, error: error_10 });
return [3, 5];
case 5: return [2];
}
});
}); };
var pushTransaction = function (data) { return __awaiter(void 0, void 0, void 0, function () {
var socket, resp, error_11;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 3, , 4]);
return [4, connect()];
case 1:
socket = _a.sent();
return [4, socket.pushTransaction(data.payload)];
case 2:
resp = _a.sent();
common.response({
id: data.id,
type: constants_1.RESPONSES.PUSH_TRANSACTION,
payload: resp.result,
});
return [3, 4];
case 3:
error_11 = _a.sent();
common.errorHandler({ id: data.id, error: error_11 });
return [3, 4];
case 4: return [2];
}
});
}); };
var estimateFee = function (data) { return __awaiter(void 0, void 0, void 0, function () {
var socket, resp, error_12;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 3, , 4]);
return [4, connect()];
case 1:
socket = _a.sent();
return [4, socket.estimateFee(data.payload)];
case 2:
resp = _a.sent();
common.response({
id: data.id,
type: constants_1.RESPONSES.ESTIMATE_FEE,
payload: resp,
});
return [3, 4];
case 3:
error_12 = _a.sent();
common.errorHandler({ id: data.id, error: error_12 });
return [3, 4];
case 4: return [2];
}
});
}); };
var onNewBlock = function (event) {
common.response({
id: -1,
type: constants_1.RESPONSES.NOTIFICATION,
payload: {
type: 'block',
payload: {
blockHeight: event.height,
blockHash: event.hash,
},
},
});
};
var onTransaction = function (event) {
if (!event.tx)
return;
var descriptor = event.address;
var account = common.getAccount(descriptor);
common.response({
id: -1,
type: constants_1.RESPONSES.NOTIFICATION,
payload: {
type: 'notification',
payload: {
descriptor: account ? account.descriptor : descriptor,
tx: account
? utils.transformTransaction(account.descriptor, account.addresses, event.tx)
: utils.transformTransaction(descriptor, undefined, event.tx),
},
},
});
};
var onNewFiatRates = function (event) {
common.response({
id: -1,
type: constants_1.RESPONSES.NOTIFICATION,
payload: {
type: 'fiatRates',
payload: {
rates: event.rates,
},
},
});
};
var subscribeAccounts = function (accounts) { return __awaiter(void 0, void 0, void 0, function () {
var socket;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
common.addAccounts(accounts);
return [4, connect()];
case 1:
socket = _a.sent();
if (!common.getSubscription('notification')) {
socket.on('notification', onTransaction);
common.addSubscription('notification');
}
return [2, socket.subscribeAddresses(common.getAddresses())];
}
});
}); };
var subscribeAddresses = function (addresses) { return __awaiter(void 0, void 0, void 0, function () {
var socket;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
common.addAddresses(addresses);
return [4, connect()];
case 1:
socket = _a.sent();
if (!common.getSubscription('notification')) {
socket.on('notification', onTransaction);
common.addSubscription('notification');
}
return [2, socket.subscribeAddresses(common.getAddresses())];
}
});
}); };
var subscribeBlock = function () { return __awaiter(void 0, void 0, void 0, function () {
var socket;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (common.getSubscription('block'))
return [2, { subscribed: true }];
return [4, connect()];
case 1:
socket = _a.sent();
common.addSubscription('block');
socket.on('block', onNewBlock);
return [2, socket.subscribeBlock()];
}
});
}); };
var subscribeFiatRates = function (currency) { return __awaiter(void 0, void 0, void 0, function () {
var socket;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, connect()];
case 1:
socket = _a.sent();
if (!common.getSubscription('fiatRates')) {
common.addSubscription('fiatRates');
socket.on('fiatRates', onNewFiatRates);
}
return [2, socket.subscribeFiatRates(currency)];
}
});
}); };
var subscribe = function (data) { return __awaiter(void 0, void 0, void 0, function () {
var payload, response, error_13;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
payload = data.payload;
_a.label = 1;
case 1:
_a.trys.push([1, 11, , 12]);
response = void 0;
if (!(payload.type === 'accounts')) return [3, 3];
return [4, subscribeAccounts(payload.accounts)];
case 2:
response = _a.sent();
return [3, 10];
case 3:
if (!(payload.type === 'addresses')) return [3, 5];
return [4, subscribeAddresses(payload.addresses)];
case 4:
response = _a.sent();
return [3, 10];
case 5:
if (!(payload.type === 'block')) return [3, 7];
return [4, subscribeBlock()];
case 6:
response = _a.sent();
return [3, 10];
case 7:
if (!(payload.type === 'fiatRates')) return [3, 9];
return [4, subscribeFiatRates(payload.currency)];
case 8:
response = _a.sent();
return [3, 10];
case 9: throw new errors_1.CustomError('invalid_param', '+type');
case 10:
common.response({
id: data.id,
type: constants_1.RESPONSES.SUBSCRIBE,
payload: response,
});
return [3, 12];
case 11:
error_13 = _a.sent();
common.errorHandler({ id: data.id, error: error_13 });
return [3, 12];
case 12: return [2];
}
});
}); };
var unsubscribeAccounts = function (accounts) { return __awaiter(void 0, void 0, void 0, function () {
var socket, subscribed;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
common.removeAccounts(accounts || common.getAccounts());
return [4, connect()];
case 1:
socket = _a.sent();
subscribed = common.getAddresses();
if (subscribed.length < 1) {
socket.removeListener('notification', onTransaction);
common.removeSubscription('notification');
return [2, socket.unsubscribeAddresses()];
}
return [2, socket.subscribeAddresses(subscribed)];
}
});
}); };
var unsubscribeAddresses = function (addresses) { return __awaiter(void 0, void 0, void 0, function () {
var socket, subscribed;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4, connect()];
case 1:
socket = _a.sent();
if (!addresses) {
common.removeAccounts(common.getAccounts());
}
subscribed = common.removeAddresses(addresses || common.getAddresses());
if (subscribed.length < 1) {
socket.removeListener('notification', onTransaction);
common.removeSubscription('notification');
return [2, socket.unsubscribeAddresses()];
}
return [2, socket.subscribeAddresses(subscribed)];
}
});
}); };
var unsubscribeBlock = function () { return __awaiter(void 0, void 0, void 0, function () {
var socket;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!common.getSubscription('block'))
return [2, { subscribed: false }];
return [4, connect()];
case 1:
socket = _a.sent();
socket.removeListener('block', onNewBlock);
common.removeSubscription('block');
return [2, socket.unsubscribeBlock()];
}
});
}); };
var unsubscribeFiatRates = function () { return __awaiter(void 0, void 0, void 0, function () {
var socket;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!common.getSubscription('fiatRates'))
return [2, { subscribed: false }];
return [4, connect()];
case 1:
socket = _a.sent();
socket.removeListener('fiatRates', onNewBlock);
common.removeSubscription('fiatRates');
return [2, socket.unsubscribeFiatRates()];
}
});
}); };
var unsubscribe = function (data) { return __awaiter(void 0, void 0, void 0, function () {
var payload, response, error_14;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
payload = data.payload;
_a.label = 1;
case 1:
_a.trys.push([1, 11, , 12]);
response = void 0;
if (!(payload.type === 'accounts')) return [3, 3];
return [4, unsubscribeAccounts(payload.accounts)];
case 2:
response = _a.sent();
return [3, 10];
case 3:
if (!(payload.type === 'addresses')) return [3, 5];
return [4, unsubscribeAddresses(payload.addresses)];
case 4:
response = _a.sent();
return [3, 10];
case 5:
if (!(payload.type === 'block')) return [3, 7];
return [4, unsubscribeBlock()];
case 6:
response = _a.sent();
return [3, 10];
case 7:
if (!(payload.type === 'fiatRates')) return [3, 9];
return [4, unsubscribeFiatRates()];
case 8:
response = _a.sent();
return [3, 10];
case 9: throw new errors_1.CustomError('invalid_param', '+type');
case 10:
common.response({
id: data.id,
type: constants_1.RESPONSES.UNSUBSCRIBE,
payload: response,
});
return [3, 12];
case 11:
error_14 = _a.sent();
common.errorHandler({ id: data.id, error: error_14 });
return [3, 12];
case 12: return [2];
}
});
}); };
var disconnect = function (data) { return __awaiter(void 0, void 0, void 0, function () {
var error_15;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (!api) {
common.response({ id: data.id, type: constants_1.RESPONSES.DISCONNECTED, payload: true });
return [2];
}
_a.label = 1;
case 1:
_a.trys.push([1, 3, , 4]);
return [4, api.disconnect()];
case 2:
_a.sent();
common.response({ id: data.id, type: constants_1.RESPONSES.DISCONNECTED, payload: true });
return [3, 4];
case 3:
error_15 = _a.sent();
common.errorHandler({ id: data.id, error: error_15 });
return [3, 4];
case 4: return [2];
}
});
}); };
onmessage = function (event) {
if (!event.data)
return;
var data = event.data;
var id = data.id, type = data.type;
common.debug('onmessage', data);
switch (data.type) {
case constants_1.MESSAGES.HANDSHAKE:
common.setSettings(data.settings);
break;
case constants_1.MESSAGES.CONNECT:
connect()
.then(function () {
common.response({ id: id, type: constants_1.RESPONSES.CONNECT, payload: true });
})
.catch(function (error) { return common.errorHandler({ id: id, error: error }); });
break;
case constants_1.MESSAGES.GET_INFO:
getInfo(data);
break;
case constants_1.MESSAGES.GET_BLOCK_HASH:
getBlockHash(data);
break;
case constants_1.MESSAGES.GET_ACCOUNT_INFO:
getAccountInfo(data);
break;
case constants_1.MESSAGES.GET_ACCOUNT_UTXO:
getAccountUtxo(data);
break;
case constants_1.MESSAGES.GET_TRANSACTION:
getTransaction(data);
break;
case constants_1.MESSAGES.GET_ACCOUNT_BALANCE_HISTORY:
getAccountBalanceHistory(data);
break;
case constants_1.MESSAGES.GET_CURRENT_FIAT_RATES:
getCurrentFiatRates(data);
break;
case constants_1.MESSAGES.GET_FIAT_RATES_FOR_TIMESTAMPS:
getFiatRatesForTimestamps(data);
break;
case constants_1.MESSAGES.GET_FIAT_RATES_TICKERS_LIST:
getFiatRatesTickersList(data);
break;
case constants_1.MESSAGES.ESTIMATE_FEE:
estimateFee(data);
break;
case constants_1.MESSAGES.PUSH_TRANSACTION:
pushTransaction(data);
break;
case constants_1.MESSAGES.SUBSCRIBE:
subscribe(data);
break;
case constants_1.MESSAGES.UNSUBSCRIBE:
unsubscribe(data);
break;
case constants_1.MESSAGES.DISCONNECT:
disconnect(data);
break;
case 'terminate':
cleanup();
break;
default:
common.errorHandler({
id: id,
error: new errors_1.CustomError('worker_unknown_request', "+" + type),
});
break;
}
};
common.handshake();