@authereum/resolution
Version:
Domain Resolution for blockchain domains
202 lines (201 loc) • 9.51 kB
JavaScript
;
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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 __());
};
})();
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__assign = Object.assign || function(t) {
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function verb(n) { return function (v) { return step([n, v]); }; }
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return result;
};
Object.defineProperty(exports, "__esModule", { value: true });
var js_sha3_1 = require("js-sha3");
var NamingService_1 = __importDefault(require("./NamingService"));
var resolutionError_1 = __importStar(require("./errors/resolutionError"));
var types_1 = require("./types");
var utils_1 = require("./utils");
var contract_1 = __importDefault(require("./utils/contract"));
var EthereumNamingService = /** @class */ (function (_super) {
__extends(EthereumNamingService, _super);
function EthereumNamingService(source, name) {
if (source === void 0) { source = {}; }
var _this = _super.call(this, source, name) || this;
if (_this.registryAddress) {
_this.readerContract = _this.buildContract(_this.readerAbi(), _this.registryAddress);
}
return _this;
}
EthereumNamingService.prototype.networkFromUrl = function (url) {
if (!url) {
return undefined;
}
for (var key in EthereumNamingService.NetworkNameMap) {
// eslint-disable-next-line no-prototype-builtins
if (!EthereumNamingService.NetworkNameMap.hasOwnProperty(key)) {
continue;
}
if (url.indexOf(key) >= 0) {
return EthereumNamingService.NetworkNameMap[key];
}
}
return undefined;
};
EthereumNamingService.prototype.normalizeSource = function (source) {
source = __assign({}, source);
source.network =
typeof source.network == 'string'
? EthereumNamingService.NetworkNameMap[source.network]
: source.network || this.networkFromUrl(source.url) || 1;
if (!source.provider && !source.url) {
source.url = source.network
? EthereumNamingService.UrlMap[source.network]
: undefined;
}
source.registry = source.registry
? source.registry
: this.defaultRegistry(source.network);
return source;
};
EthereumNamingService.prototype.isSupportedNetwork = function () {
return this.registryAddress != null;
};
EthereumNamingService.prototype.childhash = function (parent, label) {
parent = parent.replace(/^0x/, '');
var childHash = js_sha3_1.keccak_256(label);
// eslint-disable-next-line no-undef
return js_sha3_1.keccak_256(Buffer.from(parent + childHash, 'hex'));
};
EthereumNamingService.prototype.callMethod = function (contract, method, params) {
return __awaiter(this, void 0, void 0, function () {
var result, error_1, message;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
_a.trys.push([0, 2, , 3]);
return [4 /*yield*/, contract.call(method, params)];
case 1:
result = _a.sent();
return [2 /*return*/, result[0]];
case 2:
error_1 = _a.sent();
message = error_1.message;
if (message.match(/Invalid JSON RPC response/) ||
message.match(/legacy access request rate exceeded/)) {
throw new resolutionError_1.default(resolutionError_1.ResolutionErrorCode.NamingServiceDown, {
method: this.name,
});
}
throw error_1;
case 3: return [2 /*return*/];
}
});
});
};
EthereumNamingService.prototype.buildContract = function (abi, address) {
return new contract_1.default(abi, address, this.provider);
};
EthereumNamingService.prototype.throwOwnershipError = function (domain, ownerPromise) {
return __awaiter(this, void 0, void 0, function () {
var owner, _a;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (!ownerPromise) return [3 /*break*/, 2];
return [4 /*yield*/, ownerPromise];
case 1:
_a = _b.sent();
return [3 /*break*/, 4];
case 2: return [4 /*yield*/, this.owner(domain)];
case 3:
_a = _b.sent();
_b.label = 4;
case 4:
owner = _a;
if (types_1.isNullAddress(owner)) {
throw new resolutionError_1.default(resolutionError_1.ResolutionErrorCode.UnregisteredDomain, {
domain: domain,
});
}
throw new resolutionError_1.default(resolutionError_1.ResolutionErrorCode.UnspecifiedResolver, {
domain: domain,
});
}
});
});
};
EthereumNamingService.UrlMap = {
1: 'https://main-rpc.linkpool.io',
3: 'https://ropsten-rpc.linkpool.io',
};
EthereumNamingService.NetworkNameMap = {
mainnet: 1,
ropsten: 3,
rinkeby: 4,
goerli: 5,
kovan: 42,
};
EthereumNamingService.NetworkIdMap = utils_1.invert(EthereumNamingService.NetworkNameMap);
return EthereumNamingService;
}(NamingService_1.default));
exports.EthereumNamingService = EthereumNamingService;