seven
seven3w ago

sending messages via WebSockets

Hi, do I have the possibility to send messages via wsLink? I want to connect to Binance and be able to place orders via WebSockets, so far I've only been receiving market data like so:
useEffect(() => {
const socket = client.binance.marketDataStream.subscribe(
{ symbol },
{
onData(data) {
if (data.type === priceLadderUpdates.Trade) {
setTradedLevel(data.lastTrade);
}
if (data.type === priceLadderUpdates.Depth) {
setUpdatedLevels([...data.priceLevels]);
}
},
},
);

return socket.unsubscribe;
}, [symbol, setTradedLevel, setUpdatedLevels]);
useEffect(() => {
const socket = client.binance.marketDataStream.subscribe(
{ symbol },
{
onData(data) {
if (data.type === priceLadderUpdates.Trade) {
setTradedLevel(data.lastTrade);
}
if (data.type === priceLadderUpdates.Depth) {
setUpdatedLevels([...data.priceLevels]);
}
},
},
);

return socket.unsubscribe;
}, [symbol, setTradedLevel, setUpdatedLevels]);
apart onData there are only onComplete, onError, onSarted, and onStopped. My mental model is that I would like to broadcast messages with my order params to receive them in my trpc backend and from there transmit this to Binance, is this possible ? I use standalone client
import { createWSClient, splitLink, wsLink, createTRPCClient, httpLink } from '@trpc/client';
import type { AppRouter } from '@api/app';
import superjson from 'superjson';

export const client = createTRPCClient<AppRouter>({
links: [
splitLink({
condition: (op) => op.type === 'subscription',
true: wsLink({
client: createWSClient({
url: `ws://localhost:7000`,
}),
transformer: superjson,
}),
false: httpLink({
url: `http://localhost:7000`,
fetch(url, options) {
return fetch(url, {
...options,
credentials: 'include',
cache: 'no-store',
});
},
transformer: superjson,
}),
}),
],
});
import { createWSClient, splitLink, wsLink, createTRPCClient, httpLink } from '@trpc/client';
import type { AppRouter } from '@api/app';
import superjson from 'superjson';

export const client = createTRPCClient<AppRouter>({
links: [
splitLink({
condition: (op) => op.type === 'subscription',
true: wsLink({
client: createWSClient({
url: `ws://localhost:7000`,
}),
transformer: superjson,
}),
false: httpLink({
url: `http://localhost:7000`,
fetch(url, options) {
return fetch(url, {
...options,
credentials: 'include',
cache: 'no-store',
});
},
transformer: superjson,
}),
}),
],
});
Thanks
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