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@0xSam_21

Building @oscillonxyz • DeFi/Prep infra & UX • Web3 frontend engineer

web3 Beigetreten Şubat 2022
366 Folgt398 Follower
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Sammed
Sammed@0xSam_21·
I've only ever built constant product market maker(CPMM) interfaces. been a while I touched an orderbook UI Documenting everything Day 1 / thread 🧵 x.com/0xSam_21/statu…
Sammed@0xSam_21

First problem: raw WebSocket connection to a live feed Sounds simple. It's not. The socket drops The data gaps The UI freezes So I built a reconnect manager with exponential backoff first before touching any UI Here's ETH trades streaming live from Hyperliquid with simulated disconnects.

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Sammed
Sammed@0xSam_21·
I've only ever built constant product market maker(CPMM) interfaces. been a while I touched an orderbook UI Documenting everything Day 1 / thread 🧵 x.com/0xSam_21/statu…
Sammed@0xSam_21

First problem: raw WebSocket connection to a live feed Sounds simple. It's not. The socket drops The data gaps The UI freezes So I built a reconnect manager with exponential backoff first before touching any UI Here's ETH trades streaming live from Hyperliquid with simulated disconnects.

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Sammed
Sammed@0xSam_21·
Congrats on the massive week @Chainflip 🔥 $155M volume, $4.15M single swap & record FLIP burn is insane. As a Frontend Web3 Developer specialized in DeFi UX, I’m loving how smooth your native cross-chain swaps feel would love to help push the UI even further intuitive lending dashboard, swap flow optimizations, or mobile-first experiences Happy to hop on #Web3 #DeFi #FrontendDev
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CHAINFLIP LABS · Lending is live
CHAINFLIP LABS · Lending is live@Chainflip·
Last week at Chainflip: - Second biggest week in 2026: $155M weekly volume - Largest single swap ever: $4.15M - Record daily FLIP burn: 123.5K (~$26.1K) - 90 days of native BTC Lending: $522k supplied, $2.73M borrowed - Tron has been migrated and is ready for testnet this week
CHAINFLIP LABS · Lending is live tweet media
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Sammed@0xSam_21·
@1inch 1inch has been one of the most user-focused teams in DeFi since day one happy to contribute. If you care about better tools and real adoption, this survey actually matters. 10 mins well spent. Thanks @1inch team
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1inch
1inch@1inch·
Can you help us build better DeFi? We’re working with OpenUX to understand how you feel about different tools and projects. Give us your opinions by completing this survey: survey.alchemer.eu/s3/91117937/At… It takes only 10mins, and you can stay anonymous - or share an email for the chance to join a paid interview. Thanks for helping us build a better ecosystem for everyone.
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Sammed@0xSam_21·
Most realtime trading UIs shouldn’t manage WebSockets directly inside React components A cleaner approach is: WebSocket manager → event emitter → store → UI Keeps transport, state synchronization, and rendering concerns separated Learning a lot while building these systems
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Sammed@0xSam_21·
One thing I learned building against Hyperliquid’s websocket: Market data arrives as strings, not numbers At first it felt odd, but it makes sense: floating-point rounding in trading systems is dangerous Small implementation details reveal how serious trading infrastructure is designed
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Sammed@0xSam_21·
While building a reconnect manager for realtime trading UIs, I realized the hard part isn’t opening the WebSocket It’s handling: reconnect backoff stale subscriptions snapshot consistency React lifecycle cleanup message sequencing Trading frontends are really distributed systems wearing a UI mask
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Sammed@0xSam_21·
@JxyHelper Kimi looking at my 20% weekly usage: 'nah, you're done bro Frontend Web3 life: one minute you're shipping wallet connects, next you're staring at rate limit screens. Need higher RPM for real builders
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J@JxyHelper·
kimi pls
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Sammed@0xSam_21·
What happens when a WebSocket drops mid-trade? Most UIs just freeze Building the fix live this week
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Sammed@0xSam_21·
Arb bots operate in milliseconds Most DEX frontends update in seconds That gap is where traders get hurt
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Sammed@0xSam_21·
Tomorrow: sequence gap detection + the resync algorithm This is where most orderbook UIs silently break and nobody notices. Building it right.
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Sammed@0xSam_21·
What I learned: Without backoff every client reconnects at the same millisecond after a server restart You DDoS(Distributed Denial-of-Service) yourself Formula: Math.min(30000, 500 × 2^attempt) + random jitter One line. Saves everything.
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Rory
Rory@rorypiant·
The @chainlink community isn't predicting the future; they're just reading the blueprints.
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Austin Griffith
Austin Griffith@austingriffith·
🧠 “You can outsource your thinking, but you can’t outsource your understanding.” - karpathy 🏃‍♀️ That's why you need SpeedrunEthereum.com! 👨‍🏫 It helps a human _understand_ how ethereum dev works and what kinds of things you can build on it!
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Sammed@0xSam_21·
Big fan of @RevokeCash cash too🔥 One of the cleanest and most useful tools in DeFi The batch revoke in one click is a game changer no more manually cleaning dozens of stale approvals highly recommend everyone uses it regularly, True public good for the space x.com/0xSam_21/statu…
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Unipeg
Unipeg@unipegv4·
First. 🦄
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