viem
Version:
91 lines • 3.79 kB
JavaScript
;
Object.defineProperty(exports, "__esModule", { value: true });
exports.webSocket = webSocket;
const request_js_1 = require("../../errors/request.js");
const transport_js_1 = require("../../errors/transport.js");
const compat_js_1 = require("../../utils/rpc/compat.js");
const webSocket_js_1 = require("../../utils/rpc/webSocket.js");
const createTransport_js_1 = require("./createTransport.js");
function webSocket(url, config = {}) {
const { keepAlive, key = 'webSocket', methods, name = 'WebSocket JSON-RPC', reconnect, retryDelay, } = config;
return ({ chain, retryCount: retryCount_, timeout: timeout_ }) => {
const retryCount = config.retryCount ?? retryCount_;
const timeout = timeout_ ?? config.timeout ?? 10_000;
const url_ = url || chain?.rpcUrls.default.webSocket?.[0];
const wsRpcClientOpts = { keepAlive, reconnect };
if (!url_)
throw new transport_js_1.UrlRequiredError();
return (0, createTransport_js_1.createTransport)({
key,
methods,
name,
async request({ method, params }) {
const body = { method, params };
const rpcClient = await (0, webSocket_js_1.getWebSocketRpcClient)(url_, wsRpcClientOpts);
const { error, result } = await rpcClient.requestAsync({
body,
timeout,
});
if (error)
throw new request_js_1.RpcRequestError({
body,
error,
url: url_,
});
return result;
},
retryCount,
retryDelay,
timeout,
type: 'webSocket',
}, {
getSocket() {
return (0, compat_js_1.getSocket)(url_);
},
getRpcClient() {
return (0, webSocket_js_1.getWebSocketRpcClient)(url_, wsRpcClientOpts);
},
async subscribe({ params, onData, onError }) {
const rpcClient = await (0, webSocket_js_1.getWebSocketRpcClient)(url_, wsRpcClientOpts);
const { result: subscriptionId } = await new Promise((resolve, reject) => rpcClient.request({
body: {
method: 'eth_subscribe',
params,
},
onError(error) {
reject(error);
onError?.(error);
return;
},
onResponse(response) {
if (response.error) {
reject(response.error);
onError?.(response.error);
return;
}
if (typeof response.id === 'number') {
resolve(response);
return;
}
if (response.method !== 'eth_subscription')
return;
onData(response.params);
},
}));
return {
subscriptionId,
async unsubscribe() {
return new Promise((resolve) => rpcClient.request({
body: {
method: 'eth_unsubscribe',
params: [subscriptionId],
},
onResponse: resolve,
}));
},
};
},
});
};
}
//# sourceMappingURL=webSocket.js.map