@planq-network/connect
Version:
Light Toolkit for connecting with the Planq network
151 lines • 6.91 kB
JavaScript
;
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 (g && (g = 0, op[0] && (_ = 0)), _) 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 });
exports.HttpRpcCaller = exports.getRandomId = exports.rpcCallHandler = void 0;
var debug_1 = __importDefault(require("debug"));
var debugRpcPayload = (0, debug_1.default)('rpc:payload');
var debugRpcResponse = (0, debug_1.default)('rpc:response');
var debugRpcCallback = (0, debug_1.default)('rpc:callback:exception');
function rpcCallHandler(payload, handler, callback) {
try {
handler(payload)
.then(function (result) {
callback(null, toRPCResponse(payload, result));
},
// Called if the Promise of the 'handler' fails
function (error) {
callback(error, toRPCResponse(payload, null, error));
})
.catch(function (error) {
// Called if the 'callback' fails
debugRpcCallback('Callback for handling the JsonRpcResponse fails');
debugRpcCallback('%O', error);
});
}
catch (error) {
// Called if the handler fails before making the promise
callback(error instanceof Error ? error : null);
}
}
exports.rpcCallHandler = rpcCallHandler;
// Ported from: https://github.com/MetaMask/provider-engine/blob/master/util/random-id.js
function getRandomId() {
var extraDigits = 3;
var baseTen = 10;
// 13 time digits
var datePart = new Date().getTime() * Math.pow(baseTen, extraDigits);
// 3 random digits
var extraPart = Math.floor(Math.random() * Math.pow(baseTen, extraDigits));
// 16 digits
return datePart + extraPart;
}
exports.getRandomId = getRandomId;
function toRPCResponse(payload, result, error) {
var response = {
id: Number(payload.id),
jsonrpc: payload.jsonrpc,
result: result,
};
if (error != null) {
response.error = {
message: error.message || error.toString(),
code: -32000,
};
}
return response;
}
var HttpRpcCaller = /** @class */ (function () {
function HttpRpcCaller(httpProvider, jsonrpcVersion) {
if (jsonrpcVersion === void 0) { jsonrpcVersion = '2.0'; }
this.httpProvider = httpProvider;
this.jsonrpcVersion = jsonrpcVersion;
}
HttpRpcCaller.prototype.call = function (method, params) {
return __awaiter(this, void 0, void 0, function () {
var _this = this;
return __generator(this, function (_a) {
return [2 /*return*/, new Promise(function (resolve, reject) {
var payload = {
id: getRandomId(),
jsonrpc: _this.jsonrpcVersion,
method: method,
params: params,
};
_this.send(payload, function (err, response) {
if (err != null || !response) {
reject(err);
}
else {
resolve(response);
}
});
})];
});
});
};
HttpRpcCaller.prototype.send = function (payload, callback) {
debugRpcPayload('%O', payload);
var decoratedCallback = function (error, result) {
var err = null;
// error could be false
if (error) {
err = error;
}
debugRpcResponse('%O', result);
// The provider send call will not provide an error to the callback if
// the result itself specifies an error. Here, we extract the error in the
// result.
if (result &&
result.error != null &&
typeof result.error !== 'string' &&
result.error.message != null) {
err = new Error(result.error.message);
}
callback(err, result);
};
if (this.httpProvider && typeof this.httpProvider !== 'string') {
this.httpProvider.send(payload, decoratedCallback);
}
};
return HttpRpcCaller;
}());
exports.HttpRpcCaller = HttpRpcCaller;
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