@hashgraph/sdk
Version:
97 lines (90 loc) • 4.16 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", {
value: true
});
exports.default = void 0;
var _Channel = _interopRequireWildcard(require("./Channel.cjs"));
var base64 = _interopRequireWildcard(require("../encoding/base64.native.cjs"));
var _HttpError = _interopRequireDefault(require("../http/HttpError.cjs"));
var _HttpStatus = _interopRequireDefault(require("../http/HttpStatus.cjs"));
var _version = require("../version.cjs");
function _interopRequireDefault(e) { return e && e.__esModule ? e : { default: e }; }
function _getRequireWildcardCache(e) { if ("function" != typeof WeakMap) return null; var r = new WeakMap(), t = new WeakMap(); return (_getRequireWildcardCache = function (e) { return e ? t : r; })(e); }
function _interopRequireWildcard(e, r) { if (!r && e && e.__esModule) return e; if (null === e || "object" != typeof e && "function" != typeof e) return { default: e }; var t = _getRequireWildcardCache(r); if (t && t.has(e)) return t.get(e); var n = { __proto__: null }, a = Object.defineProperty && Object.getOwnPropertyDescriptor; for (var u in e) if ("default" !== u && {}.hasOwnProperty.call(e, u)) { var i = a ? Object.getOwnPropertyDescriptor(e, u) : null; i && (i.get || i.set) ? Object.defineProperty(n, u, i) : n[u] = e[u]; } return n.default = e, t && t.set(e, n), n; }
// SPDX-License-Identifier: Apache-2.0
class NativeChannel 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 data = base64.encode(new Uint8Array((0, _Channel.encodeRequest)(requestData)));
// this will be executed in react native environment sho
// fetch should be available
//eslint-disable-next-line n/no-unsupported-features/node-builtins
const response = await fetch(`${this._address}/proto.${serviceName}/${method.name}`, {
method: "POST",
headers: {
"content-type": "application/grpc-web-text",
"x-user-agent": `${_version.SDK_NAME}/${_version.SDK_VERSION}`,
"x-accept-content-transfer-encoding": "base64",
"x-grpc-web": "1"
},
body: data
});
if (!response.ok) {
const error = new _HttpError.default(_HttpStatus.default._fromValue(response.status));
callback(error, null);
}
const blob = await response.blob();
/** @type {string} */
const responseData = await new Promise((resolve, reject) => {
const reader = new FileReader();
reader.readAsDataURL(blob);
reader.onloadend = () => {
resolve(/** @type {string} */reader.result);
};
reader.onerror = reject;
});
let responseBuffer;
if (responseData.startsWith("data:application/octet-stream;base64,")) {
responseBuffer = base64.decode(responseData.split("data:application/octet-stream;base64,")[1]);
} else if (responseData.startsWith("data:application/grpc-web+proto;base64,")) {
responseBuffer = base64.decode(responseData.split("data:application/grpc-web+proto;base64,")[1]);
} else {
throw new Error(`Expected response data to be base64 encode with a 'data:application/octet-stream;base64,' or 'data:application/grpc-web+proto;base64,' prefix, but found: ${responseData}`);
}
const unaryResponse = (0, _Channel.decodeUnaryResponse)(
// @ts-ignore
responseBuffer.buffer, responseBuffer.byteOffset, responseBuffer.byteLength);
callback(null, unaryResponse);
} catch (error) {
callback(/** @type {Error} */error, null);
}
};
}
}
exports.default = NativeChannel;