@hiero-ledger/sdk
Version:
89 lines (83 loc) • 3.85 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _ClientConstants = require("../constants/ClientConstants.cjs");
var _GrpcServiceError = _interopRequireDefault(require("../grpc/GrpcServiceError.cjs"));
var _GrpcStatus = _interopRequireDefault(require("../grpc/GrpcStatus.cjs"));
var _HttpError = _interopRequireDefault(require("../http/HttpError.cjs"));
var _HttpStatus = _interopRequireDefault(require("../http/HttpStatus.cjs"));
var _version = require("../version.cjs");
var _Channel = _interopRequireWildcard(require("./Channel.cjs"));
function _interopRequireWildcard(e, t) { if ("function" == typeof WeakMap) var r = new WeakMap(), n = new WeakMap(); return (_interopRequireWildcard = function (e, t) { if (!t && e && e.__esModule) return e; var o, i, f = { __proto__: null, default: e }; if (null === e || "object" != typeof e && "function" != typeof e) return f; if (o = t ? n : r) { if (o.has(e)) return o.get(e); o.set(e, f); } for (const t in e) "default" !== t && {}.hasOwnProperty.call(e, t) && ((i = (o = Object.defineProperty) && Object.getOwnPropertyDescriptor(e, t)) && (i.get || i.set) ? o(f, t, i) : f[t] = e[t]); return f; })(e, t); }
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
// SPDX-License-Identifier: Apache-2.0
class WebChannel extends _Channel.default {
/**
* @param {string} address
*/
constructor(address) {
super();
/**
* @type {string}
* @private
*/
this._address = address;
}
/**
* @override
* @returns {void}
*/
close() {
// do nothing
}
/**
* @override
* @protected
* @param {string} serviceName
* @returns {import("protobufjs").RPCImpl}
*/
_createUnaryClient(serviceName) {
// eslint-disable-next-line @typescript-eslint/no-misused-promises
return async (method, requestData, callback) => {
try {
const shouldUseHttps = !(this._address.includes("localhost") || this._address.includes("127.0.0.1"));
const address = shouldUseHttps ? `https://${this._address}` : `http://${this._address}`;
// this will be executed in a browser environment so eslint is
// disabled for the fetch call
//eslint-disable-next-line n/no-unsupported-features/node-builtins
const response = await fetch(`${address}/proto.${serviceName}/${method.name}`, {
method: "POST",
headers: {
"content-type": "application/grpc-web+proto",
"x-user-agent": `${_version.SDK_NAME}/${_version.SDK_VERSION}`,
"x-grpc-web": "1"
},
body: (0, _Channel.encodeRequest)(requestData)
});
if (!response.ok) {
const error = new _HttpError.default(_HttpStatus.default._fromValue(response.status));
callback(error, null);
}
// Check headers for gRPC errors
const grpcStatus = response.headers.get("grpc-status");
const grpcMessage = response.headers.get("grpc-message");
if (grpcStatus != null && grpcMessage != null) {
const error = new _GrpcServiceError.default(_GrpcStatus.default._fromValue(parseInt(grpcStatus)), _ClientConstants.ALL_WEB_NETWORK_NODES?.[this._address]?.toString());
error.message = grpcMessage;
callback(error, null);
}
const responseBuffer = await response.arrayBuffer();
const unaryResponse = (0, _Channel.decodeUnaryResponse)(responseBuffer);
callback(null, unaryResponse);
} catch (error) {
const err = new _GrpcServiceError.default(
// retry on grpc web errors
_GrpcStatus.default._fromValue(18), _ClientConstants.ALL_WEB_NETWORK_NODES?.[this._address]?.toString());
callback(err, null);
}
};
}
}
exports.default = WebChannel;