meng (mEng)
1.1K posts


Switched claude code to codex for one of my projects. First impressions:
-Codex is way more diligent about best practices surrounding devops tasks
-Codex does a way better job at keeping track of files / versioning / git etc.
-Codex is way better at security (noticed several minor things claude(!) put at risk kinda)
-I like the auto compaction better but not sure
-It's slightly less creative than claude but way more accurate once you give it reasonable instructions
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Fun story: there was a day due to polymarket’s buggy order matching I had a Knight Capital moment and got filled on 50k shares of BTC up-down.
I happened to be sat at the terminal, and I watched in horror. I couldn’t dump the shares without making a mess, and it was much better to let the hedging algorithm work through it gracefully (as best it could).
Gripping 15minutes later, the market resolved in my favour and I was up a good twenty thousand. Next day, there were tweets about how “this bot went bankrupt”, and I am guessing that’s my counterparty.
Oops.
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meng (mEng) retweetledi

@shachikyoto @PolymarketTrade Probably 0.001% 😅 well it’s gonna be somebody, why not me?
Harder
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Apparently I just got hit by the Polymarket orderbook wipe attack. I was mming on BTC events, and kept monitoring my UI. Both legs showing hedged out equally. But at settlement one leg had less shares than intended.
From what i saw there's an address draining USDC right before on-chain settlement, causing batch reverts and wiping maker orders off the book.

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@ZhiMuno62198 @wuli238 @mustafap0ly @PolymarketDevs 就是 Polymarket 的订单簿清扫攻击。攻击者创建一个新钱包,用有效的 USDC 余额在 CLOB 上挂单,跟做市商的订单撮合之后,在链上结算之前把 USDC 从钱包里抽走。结算失败,整批做市商的挂单全部被清除。
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😤最近Polymarket的撤单攻击越来越频繁了!
@mustafap0ly @PolymarketDevs
我能win的单子,你们就经常给我撤了,
loss的单子,就从未见过被撤单。
或者是对冲的时候,看着两端都买入完成了,但等结算的时候却发现另一端仓位被撤单!

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Hey guys, shill me the best tools for tracking insiders/whales on @Polymarket
TG bots, websites, or any services - share what you got in the comments
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