ethers.js/packages/providers/lib/url-json-rpc-provider.js
2020-06-29 00:54:30 -04:00

136 lines
6.8 KiB
JavaScript

"use strict";
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (b.hasOwnProperty(p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
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 };
}
};
Object.defineProperty(exports, "__esModule", { value: true });
var properties_1 = require("@ethersproject/properties");
var logger_1 = require("@ethersproject/logger");
var _version_1 = require("./_version");
var logger = new logger_1.Logger(_version_1.version);
var json_rpc_provider_1 = require("./json-rpc-provider");
// A StaticJsonRpcProvider is useful when you *know* for certain that
// the backend will never change, as it never calls eth_chainId to
// verify its backend. However, if the backend does change, the effects
// are undefined and may include:
// - inconsistent results
// - locking up the UI
// - block skew warnings
// - wrong results
var StaticJsonRpcProvider = /** @class */ (function (_super) {
__extends(StaticJsonRpcProvider, _super);
function StaticJsonRpcProvider() {
return _super !== null && _super.apply(this, arguments) || this;
}
StaticJsonRpcProvider.prototype.detectNetwork = function () {
return __awaiter(this, void 0, void 0, function () {
var network;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
network = this.network;
if (!(network == null)) return [3 /*break*/, 2];
return [4 /*yield*/, _super.prototype._ready.call(this)];
case 1:
// After this call completes, network is defined
network = _a.sent();
_a.label = 2;
case 2: return [2 /*return*/, network];
}
});
});
};
return StaticJsonRpcProvider;
}(json_rpc_provider_1.JsonRpcProvider));
exports.StaticJsonRpcProvider = StaticJsonRpcProvider;
var UrlJsonRpcProvider = /** @class */ (function (_super) {
__extends(UrlJsonRpcProvider, _super);
function UrlJsonRpcProvider(network, apiKey) {
var _newTarget = this.constructor;
var _this = this;
logger.checkAbstract(_newTarget, UrlJsonRpcProvider);
// Normalize the Network and API Key
network = properties_1.getStatic((_newTarget), "getNetwork")(network);
apiKey = properties_1.getStatic((_newTarget), "getApiKey")(apiKey);
var connection = properties_1.getStatic((_newTarget), "getUrl")(network, apiKey);
_this = _super.call(this, connection, network) || this;
if (typeof (apiKey) === "string") {
properties_1.defineReadOnly(_this, "apiKey", apiKey);
}
else if (apiKey != null) {
Object.keys(apiKey).forEach(function (key) {
properties_1.defineReadOnly(_this, key, apiKey[key]);
});
}
return _this;
}
UrlJsonRpcProvider.prototype._startPending = function () {
logger.warn("WARNING: API provider does not support pending filters");
};
UrlJsonRpcProvider.prototype.getSigner = function (address) {
return logger.throwError("API provider does not support signing", logger_1.Logger.errors.UNSUPPORTED_OPERATION, { operation: "getSigner" });
};
UrlJsonRpcProvider.prototype.listAccounts = function () {
return Promise.resolve([]);
};
// Return a defaultApiKey if null, otherwise validate the API key
UrlJsonRpcProvider.getApiKey = function (apiKey) {
return apiKey;
};
// Returns the url or connection for the given network and API key. The
// API key will have been sanitized by the getApiKey first, so any validation
// or transformations can be done there.
UrlJsonRpcProvider.getUrl = function (network, apiKey) {
return logger.throwError("not implemented; sub-classes must override getUrl", logger_1.Logger.errors.NOT_IMPLEMENTED, {
operation: "getUrl"
});
};
return UrlJsonRpcProvider;
}(StaticJsonRpcProvider));
exports.UrlJsonRpcProvider = UrlJsonRpcProvider;