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Litecoin MimbleWimble October Recap Replace

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This replace was written and offered by Litecoin MimbleWimble lead developer David Burkett.

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Audit

Quarkslab has completed their audit of the code! 🚀

I’ll be assembly with them Friday to debate their findings. After that, they’ll work on releasing the audit report in a weblog put up, which I stay up for sharing with you all.

Findings

Because you’ll be capable to learn the complete report as soon as they share their weblog put up, I gained’t dive too deeply into the findings right here. However at a fast look:

There was one crucial concern discovered that resulted from a mistake whereas merging the MWEB code & v0.21.1 code collectively. So when copying the modifications into the newest launch code, I missed a small, however essential line of validation code that might’ve been exploited by a malicious attacker to trigger severe disruptions to the chain 😳

This tells us…

  1. We may actually profit from higher useful check protection round our validation logic to verify we might catch related points ourselves in future releases.

  2. We should always take into consideration including some processes we will observe to reduce the potential of this taking place. That would imply documenting all modifications, or having 2 folks carry out the merge individually then evaluating outcomes, or a change to how we method the code opinions.

  3. The audit was a extremely good thought (thanks Quarkslab!)

There have been additionally some smaller findings, and a few nice recommendations for a way we may enhance the standard and security of the code. Total, they have been impressed with the code high quality, which was thrilling to listen to 🥳

v0.21.1 (Taproot) Launch

The discharge course of 5 we inherited from bitcoin will be fairly painful. It makes use of gitian 4 to construct repeatable and deterministic binaries from the supply code. Which means that a number of folks can all construct the code on totally different machines (and even totally different working techniques) and nonetheless get the identical actual launch binaries. We will then all examine the outcomes after which signal the discharge, certifying that all of us agree that the revealed launch is protected & correct.

There’s quite a lot of magic concerned to make this work, which ends up in a time-consuming & usually irritating expertise (particularly for n00bs like me). So I actually dragged my toes on this one 😬
. I lastly pressured myself to push via this a couple of days in the past, and after preventing with some outdated scripts, was in a position to construct all the binaries efficiently. I’ll end signing these tomorrow and hand them off for the opposite builders to repeat the construct & confirm outcomes.

MWEB Testnet

After plenty of guarantees after which take-backs, I’ve lastly determined to launch a binary that permits non-technical customers to check out the MWEB testnet. I solely have the home windows launch obtainable proper now, however I’ll work on getting binaries for Mac OS X on Friday. Linux customers can construct their very own, as a result of I’m drained 😝

Hyperlink: MWEB Testnet Launch 26

Right here’s my gpg key 8 in the event you’d wish to confirm the binaries first (it’s best to). I’ll add directions on how to try this on the discharge web page when I’ve a while.

There’s no installer, as a result of I didn’t need anybody by chance changing their precise litecoin pockets, so to make use of it:

  • Obtain (and confirm) the zip file
  • Extract the litecoin-63fe928e4e8a folder
  • Discover and run litecoin-qt.exe from contained in the bin folder

It will default to utilizing the MWEB testnet, which you’ll inform by the off-colored emblem and the [mwebtest] within the title bar. These use mwebtest cash, not precise litecoin cash. So pleeease don’t attempt to use it with actual cash.

You’ll both must mine a block to get mwebtest cash (you may CPU mine a block very quickly), or discover somebody to provide you some. If anybody is prepared to setup a faucet, I’ve obtained a ton of cash you may have 🙂

Additionally, if somebody looks like writing a information for the best way to create stealth addresses, ship to and obtain from them, and all the enjoyable stuff that goes together with it, you’d be my new favourite individual.

Remaining Schedule

You’re just about again to simply ready on me once more ⏱
whereas I end making use of audit recommendations after which pushing via the tedious means of merging, coordinating remaining opinions, writing launch notes, and at last kicking off the beloved gitian builds. I don’t know precisely how lengthy that can take, however rumor has it that it will increase by a full day for each individual that asks me 😜

What an extended journey this has been 😅

P.S. https://wenmweb.com 132 is updated.



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