WebSocket-клиент для TypeScript

npm install @orbitflare/sdk ws

import { WsClientBuilder } from '@orbitflare/sdk/ws';
import type { RetryPolicy } from '@orbitflare/sdk';

const client = await new WsClientBuilder()
  .url('ws://ny.rpc.orbitflare.com')
  .fallbackUrl('ws://fra.rpc.orbitflare.com')
  .apiKey('ORBIT-XXXXXX-NNNNNN-NNNNNN')
  .retry({
    initialDelayMs: 100,
    maxDelayMs: 30_000,
    multiplier: 2.0,
    maxAttempts: 0,
  })
  .pingIntervalSecs(10)
  .maxMissedPongs(3)
  .build();

const client = await new WsClientBuilder()
  .url('ws://ny.rpc.orbitflare.com')
  .build();

.url('ws://ny.rpc.orbitflare.com')

.urls(['ws://ny.rpc.orbitflare.com', 'ws://fra.rpc.orbitflare.com'])

.fallbackUrl('ws://fra.rpc.orbitflare.com')

.apiKey('ORBIT-XXXXXX-NNNNNN-NNNNNN')

.retry({
  initialDelayMs: 200,
  maxDelayMs: 15_000,
  multiplier: 2.0,
  maxAttempts: 0,
})

.pingIntervalSecs(15)

.maxMissedPongs(5)

const sub = await client.slotSubscribe();

{"slot": 413014740, "parent": 413014739, "root": 413014708}

const sub = await client.accountSubscribe(
  'EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v',
  'confirmed',
);

const sub = await client.logsSubscribe(
  ['6EF8rrecthR5Dkzon8Nwu78hRvfCKubJ14M5uBEwF6P'],
  'confirmed',
);

const sub = await client.logsSubscribe([], 'confirmed');

const sub = await client.signatureSubscribe('5K8F2j...', 'confirmed');

while (true) {
  const event = await sub.next();
  if (event === undefined) break;
  console.log(event);
}

const off = sub.on((event) => {
  console.log(event);
});

// later: off();

await sub.unsubscribe();

const slots = await client.slotSubscribe();
const usdc = await client.accountSubscribe('EPjFWdd5...', 'confirmed');
const logs = await client.logsSubscribe(['6EF8r...'], 'confirmed');

import { WsClientBuilder } from '@orbitflare/sdk/ws';

async function main() {
  const client = await new WsClientBuilder()
    .url('ws://ny.rpc.orbitflare.com')
    .build();

  const slots = await client.slotSubscribe();
  const usdc = await client.accountSubscribe(
    'EPjFWdd5AufqSSqeM2qN1xzybapC8G4wEGGkZwyTDt1v',
    'confirmed',
  );

  console.log('watching slots and USDC mint account...');

  slots.on((slot) => {
    const s = slot?.slot ?? 0;
    const parent = slot?.parent ?? 0;
    console.log(`slot ${s} (parent ${parent})`);
  });

  usdc.on((acct) => {
    const lamports = acct?.lamports ?? 0;
    const data = acct?.data?.[0];
    const dataLen = typeof data === 'string' ? data.length : 0;
    console.log(`USDC mint updated: ${lamports} lamports, ${dataLen} bytes`);
  });

  await new Promise(() => {});
}

void main();