@authereum/resolution
Version:
Domain Resolution for blockchain domains
337 lines (336 loc) • 15.6 kB
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 __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 __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.");
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if (y = 0, t) op = [op[0] & 2, t.value];
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}
};
var __importDefault = (this && this.__importDefault) || function (mod) {
return (mod && mod.__esModule) ? mod : { "default": mod };
};
Object.defineProperty(exports, "__esModule", { value: true });
var hash_js_1 = __importDefault(require("hash.js"));
var utils_1 = require("./zns/utils");
var utils_2 = require("./utils");
var types_1 = require("./types");
var index_1 = require("./index");
var NamingService_1 = __importDefault(require("./NamingService"));
var NetworkIdMap = {
mainnet: 1,
testnet: 333,
localnet: 111,
};
var RegistryMap = {
1: 'zil1jcgu2wlx6xejqk9jw3aaankw6lsjzeunx2j0jz',
};
var UrlMap = {
1: 'https://api.zilliqa.com',
333: 'https://dev-api.zilliqa.com',
111: 'http://localhost:4201',
};
var UrlNetworkMap = function (url) { return utils_2.invert(UrlMap)[url]; };
var Zns = /** @class */ (function (_super) {
__extends(Zns, _super);
function Zns(source) {
if (source === void 0) { source = {}; }
return _super.call(this, source, index_1.NamingServiceName.ZNS) || this;
}
Zns.prototype.resolve = function (domain) {
return __awaiter(this, void 0, void 0, function () {
var recordAddresses, ownerAddress, resolverAddress, resolution, _a, addresses;
return __generator(this, function (_b) {
switch (_b.label) {
case 0: return [4 /*yield*/, this.getRecordsAddresses(domain)];
case 1:
recordAddresses = _b.sent();
if (!recordAddresses) {
return [2 /*return*/, index_1.UnclaimedDomainResponse];
}
ownerAddress = recordAddresses[0], resolverAddress = recordAddresses[1];
_a = this.structureResolverRecords;
return [4 /*yield*/, this.getResolverRecords(resolverAddress)];
case 2:
resolution = _a.apply(this, [_b.sent()]);
addresses = {};
if (resolution.crypto) {
Object.entries(resolution.crypto).forEach(function (_a) {
var key = _a[0], v = _a[1];
return v.address && (addresses[key] = v.address);
});
}
return [2 /*return*/, {
addresses: addresses,
meta: {
namehash: this.namehash(domain),
resolver: resolverAddress,
owner: ownerAddress || null,
type: this.name,
ttl: parseInt(resolution.ttl) || 0,
},
records: resolution.records,
}];
}
});
});
};
Zns.prototype.owner = function (domain) {
return __awaiter(this, void 0, void 0, function () {
var data;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.resolve(domain)];
case 1:
data = _a.sent();
return [2 /*return*/, data ? data.meta.owner : null];
}
});
});
};
Zns.prototype.records = function (domain, keys) {
return __awaiter(this, void 0, void 0, function () {
var records;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.allRecords(domain)];
case 1:
records = _a.sent();
return [2 /*return*/, this.constructRecords(keys, records)];
}
});
});
};
Zns.prototype.allRecords = function (domain) {
return __awaiter(this, void 0, void 0, function () {
var resolverAddress;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.resolver(domain)];
case 1:
resolverAddress = _a.sent();
return [4 /*yield*/, this.getResolverRecords(resolverAddress)];
case 2: return [2 /*return*/, _a.sent()];
}
});
});
};
Zns.prototype.twitter = function (domain) {
return __awaiter(this, void 0, void 0, function () {
return __generator(this, function (_a) {
throw new index_1.ResolutionError(index_1.ResolutionErrorCode.UnsupportedMethod, {
domain: domain,
methodName: 'twitter',
});
});
});
};
Zns.prototype.isSupportedDomain = function (domain) {
var tokens = domain.split('.');
return (!!tokens.length &&
tokens[tokens.length - 1] === 'zil' &&
tokens.every(function (v) { return !!v.length; }));
};
Zns.prototype.isSupportedNetwork = function () {
return this.registryAddress != null;
};
Zns.prototype.childhash = function (parent, label) {
parent = parent.replace(/^0x/, '');
return this.sha256(parent + this.sha256(label), 'hex');
};
Zns.prototype.sha256 = function (message, inputEnc) {
return hash_js_1.default.sha256()
.update(message, inputEnc)
.digest('hex');
};
Zns.prototype.resolver = function (domain) {
return __awaiter(this, void 0, void 0, function () {
var recordsAddresses, resolverAddress;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.getRecordsAddresses(domain)];
case 1:
recordsAddresses = _a.sent();
if (!recordsAddresses || !recordsAddresses[0]) {
throw new index_1.ResolutionError(index_1.ResolutionErrorCode.UnregisteredDomain, {
domain: domain,
});
}
resolverAddress = recordsAddresses[1];
if (types_1.isNullAddress(resolverAddress)) {
throw new index_1.ResolutionError(index_1.ResolutionErrorCode.UnspecifiedResolver, {
domain: domain,
});
}
return [2 /*return*/, resolverAddress];
}
});
});
};
Zns.prototype.normalizeSource = function (source) {
var _a;
source = __assign({}, source);
source.network =
typeof source.network == 'string'
? NetworkIdMap[source.network]
: source.network || (source.url && UrlNetworkMap[source.url]) || 1;
if (!source.provider && !source.url) {
source.url =
typeof source.network === 'number' ? UrlMap[source.network] : undefined;
}
source.registry = source.registry || RegistryMap[source.network];
if ((_a = source.registry) === null || _a === void 0 ? void 0 : _a.startsWith('0x')) {
source.registry = utils_1.toBech32Address(source.registry);
}
return source;
};
Zns.prototype.getRecordsAddresses = function (domain) {
return __awaiter(this, void 0, void 0, function () {
var registryRecord, _a, ownerAddress, resolverAddress;
return __generator(this, function (_b) {
switch (_b.label) {
case 0:
if (!this.isSupportedDomain(domain) || !this.isSupportedNetwork()) {
return [2 /*return*/, undefined];
}
return [4 /*yield*/, this.getContractMapValue(this.registryAddress, 'records', this.namehash(domain))];
case 1:
registryRecord = _b.sent();
if (!registryRecord) {
return [2 /*return*/, undefined];
}
_a = registryRecord.arguments, ownerAddress = _a[0], resolverAddress = _a[1];
return [2 /*return*/, [
ownerAddress.startsWith('0x') ? utils_1.toBech32Address(ownerAddress) : ownerAddress,
resolverAddress,
]];
}
});
});
};
Zns.prototype.getResolverRecords = function (resolverAddress) {
return __awaiter(this, void 0, void 0, function () {
var resolver;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
if (types_1.isNullAddress(resolverAddress)) {
return [2 /*return*/, {}];
}
resolver = utils_1.toChecksumAddress(resolverAddress);
return [4 /*yield*/, this.getContractField(resolver, 'records')];
case 1: return [2 /*return*/, ((_a.sent()) ||
{})];
}
});
});
};
Zns.prototype.structureResolverRecords = function (records) {
var result = {};
for (var _i = 0, _a = Object.entries(records); _i < _a.length; _i++) {
var _b = _a[_i], key = _b[0], value = _b[1];
utils_2.set(result, key, value);
}
return result;
};
Zns.prototype.fetchSubState = function (contractAddress, field, keys) {
if (keys === void 0) { keys = []; }
return __awaiter(this, void 0, void 0, function () {
var params, method;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
params = [contractAddress.replace('0x', ''), field, keys];
method = 'GetSmartContractSubState';
return [4 /*yield*/, this.provider.request({ method: method, params: params })];
case 1: return [2 /*return*/, _a.sent()];
}
});
});
};
Zns.prototype.getContractField = function (contractAddress, field, keys) {
if (keys === void 0) { keys = []; }
return __awaiter(this, void 0, void 0, function () {
var contractAddr, result;
return __generator(this, function (_a) {
switch (_a.label) {
case 0:
contractAddr = contractAddress.startsWith('zil1')
? utils_1.fromBech32Address(contractAddress)
: contractAddress;
return [4 /*yield*/, this.fetchSubState(contractAddr, field, keys)];
case 1:
result = (_a.sent()) || {};
return [2 /*return*/, result[field]];
}
});
});
};
Zns.prototype.getContractMapValue = function (contractAddress, field, key) {
return __awaiter(this, void 0, void 0, function () {
var record;
return __generator(this, function (_a) {
switch (_a.label) {
case 0: return [4 /*yield*/, this.getContractField(contractAddress, field, [key])];
case 1:
record = _a.sent();
return [2 /*return*/, (record && record[key]) || null];
}
});
});
};
return Zns;
}(NamingService_1.default));
exports.default = Zns;