Tuesday, August 22, 2023
HomeLitecoinLitecoin MimbleWimble October Recap Replace

Litecoin MimbleWimble October Recap Replace

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



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 submit, which I stay up for sharing with you all.


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

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

This tells us…

  1. We might actually profit from higher purposeful take a look at protection round our validation logic to verify we’d catch related points ourselves in future releases.

  2. We should always take into consideration including some processes we are able to comply with to attenuate the potential for 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 strategy the code critiques.

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

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

v0.21.1 (Taproot) Launch

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

There’s a number of magic concerned to make this work, which results in a time-consuming & usually irritating expertise (particularly for n00bs like me). So I actually dragged my toes on this one 😬
. I lastly compelled myself to push by this a couple of days in the past, and after preventing with some outdated scripts, was capable of 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 a lot of guarantees after which take-backs, I’ve lastly determined to launch a binary that enables non-technical customers to check out the MWEB testnet. I solely have the home windows launch accessible 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 if you happen to’d wish to confirm the binaries first (it is 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 accident 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

This can default to utilizing the MWEB testnet, which you’ll be able to 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 should mine a block to get mwebtest cash (you’ll be able to CPU mine a block very quickly), or discover somebody to offer you some. If anybody is keen to setup a faucet, I’ve bought a ton of cash you’ll be able to have 🙂

Additionally, if somebody looks like writing a information for easy methods 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 particular person.

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 by the tedious technique of merging, coordinating ultimate critiques, 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 person who asks me 😜

What a protracted journey this has been 😅

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



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