crux | Data Privacy for Quorum Blockchains | Cryptocurrency library
kandi X-RAY | crux Summary
kandi X-RAY | crux Summary
Data privacy for Quorum. Crux is a secure enclave for Quorum written in Golang. It is a replacement for Constellation, the secure enclave component of Quorum, written in Haskell.
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Top functions reviewed by kandi - BETA
- main entry point
- Init initializes a new SecureEnclave .
- DoKeyGeneration will generate a new key .
- PushGrpc sends an encrypted message to the given path
- Push sends a message to the given URL
- DecodePartyInfo decodes a party info .
- InitFlags initializes flags
- EncodePartyInfo encodes a PartyInfo .
- CreatePartyInfo creates a new PartyInfo object from a list of party nodes .
- loadKeys is used to load keys from a list of keys .
crux Key Features
crux Examples and Code Snippets
Lines of Code : 26License : Permissive (Apache-2.0)
Copygit clone https://github.com/blk-io/crux.git
cd crux
make setup && make
./bin/crux
Usage of ./bin/crux:
crux.config Optional config file
--alwayssendto string List of public keys for nodes to send all transactio git clone https://github.com/blk-io/crux.git
docker-compose -f docker/quorum-crux/docker-compose.yaml up
docker-compose -f docker-compose-local.yaml up --build
git clone https://github.com/blk-io/crux.git
docker-compose -f docker/crux/docker-compose.yaml up
Community Discussions
Trending Discussions on crux
QUESTION
Given incoming json like below, how can i decode it the given case class based on condition.
Incoming JSON
...ANSWER
Answered 2022-Apr-09 at 17:23We can use a custom Decoder for File to provide a default value to type
QUESTION
I have a question about the definition of the synchronises-with relation in the C++ memory model when relaxed and acquire/release accesses are mixed on one and the same atomic variable. Consider the following example consisting of a global initialiser and three threads:
...ANSWER
Answered 2022-Mar-17 at 14:01Because you use relaxed ordering on a separate load & store in T2, the release sequence is broken and the second assert can trigger (although not on a TSO platform such as X86).
You can fix this by either using acq/rel ordering in thread T2 (as you suggested) or by modifying T2 to use an atomic read-modify-write operation (RMW), like this:
QUESTION
I'd like to filter each row of my matrix a such that each row contains non-negative values.
First, I tried this:
...ANSWER
Answered 2022-Feb-20 at 20:40One possible way:
QUESTION
I am working on a pretty dynamic C++ program which allows the user to define their own data structures which are then serialized in an output HDF5 data file. Instead of requiring the user to define a new HDF5 data type, I am "splitting" their data structures into HDF5 subgroups in which I store the different member variable data sets. I am interested in labeling the HDF5 group that has the subgroup members with the type of the data structure that was written to it so that future users of the data file will have more knowledge about how to use the data contained within it.
All of this context gets me to my question in the title. How reliable are demangled names? The crux of the issue could be summarized with the following example (using boost to demangle as an example, not a necessity). If I use
ANSWER
Answered 2022-Jan-27 at 16:57The reliability of de-mangled names does not seem to be something that is well documented. For this reason, I am going to simply document the few tests that I've done on my x86_64 system allowing me to compare gcc and clang. These tests done through Compiler Explorer verifies that the returned strings for the same types are the same (including whitespace).
Maybe if I start using this in my application, one of the users will find an issue and I can update this question with another answer down the line, but for now, I think it is safe(ish) to trust de-mangling.
QUESTION
I've been working in Linux for the last 12 years, worked with Windows and command lines before that and have had to recently resurrect those batch file skills for a little easy to use / edit utility. However, I'm having some issues in finding out how to build up a string variable with newline characters (the equivalent of Linux's echo -e "Line1\nLine2")
Basically my utility asks three questions of a user and checks the validity of the inputs. Each input has a slightly different "error message" if the validity fails. I then have a check to see if the errMsg variable contains anything and if it does, it lists the collated error messages from the 3 validity checks. This all works perfectly with the exception of the error message is on one line and I'd like to put each error on it's own line. I then "merely" add newlines to the string ... and that's the crux of this question.
I've used this link as a reference point and with a basic string, the new lines appear as expected. However, when I use a variable, the new lines don't appear and I was hoping someone could explain to me why.
I have the following code snippet
...ANSWER
Answered 2022-Jan-21 at 22:37To create a new line variable is a good start. But you should use it in a different way.
Percent expansion doesn't work quite well with newlines in variables, it can be done, but it's quite complex.
But delayed expansion flawlessly works with any characters
QUESTION
The following code has several issues - for which I'm kindly asking for your input / corrections / feedback - of various types: first, I can't get it to do what I'd like to, namely pass it a "word" and have it output its elf_hash. The code for the elf_gnu_hash ( EDIT 3: This should have been elf_hash, hence my surprise for the wrong hash below ) function is presented ELF_DT_HASH. What I'm trying to do is incorporate this function i a small standalone program, but I seem to not be able to get it right, i.e. the output printed is by no means that one which is expected (comparing to mentioned article).
Second, I'm sure the code exposes (obvious) to anyone doing C programming - me excluded from this 'list' misunderstanding of data types, conversions, and so on and I'd appreciate some clarifications / hints regarding some common rookies' (me included) misunderstandings. Third, and most intriguing is that each time i compile and run this program, and enter the same string at the scanf functions, it prints a different result !
There are quite a few warnings at compilation, but honestly I am not sure how to fix them. Could you guys help me out fix this issue + address some misunderstanding / misuse of C ?
I'd also appreciate some inputs on input sanitization (i.e. avoiding bufferoverflows and so on).
Am compiling it -in case it matters, not sure - like so:
gcc -Wall elf_hash-calculaTor.c && ./a.out
Thanks
As a bonus: is this the algorithm used in Linux OS amd64 elf binary files, like f.e.
...ANSWER
Answered 2022-Jan-17 at 22:43pass it a string ("word") and have it output its elf_hash.
Use "%s" with a width limit to read user input and save as a string, not "%hhu" (which is useful to read numeric text in and save as a byte).
QUESTION
I have a simple Julia Markdown script, that I would like to turn into a PDF using Weave.jl:
ANSWER
Answered 2022-Jan-13 at 14:03That may be your rendering engine. This is tagged julia and you state using a .jmd file.
I happen to use this idiom of injecting 'plain LaTeX' a lot so I just saved your file 'as is' as foo.Rmd and used my usual shorthand caller for Rmarkdown on it:
I would recommend decomposing the commands as much as you can, and maybe try just pandoc on it too. You may find what wrapped that stray command.
As per the other answer, it simply is a bug in weave.jl. It should not do that yet it does.
The answer by @SundarR suggests a workaround using a different subrender (just how I had hinted at pandoc) as well as a (required for this "dialect" of markdown?) workaround with two backticks.
QUESTION
As mentioned in my previous question from a couple of days ago (Pairwise t test loop through dataframes contained in a list) , I have a large dataframe which can be mimicked by:
...ANSWER
Answered 2022-Jan-12 at 23:20When one performs the split, the elements in the list are named. It is possible to extract that list of names and assign it to the results of the pairwise statement.
Would names(p) <- names(Listdf) work for you.
QUESTION
I recreated an issue I've been facing with the toy example here
...ANSWER
Answered 2022-Jan-08 at 08:20From the specification:
min-contentUse the min-content size in the relevant axis; for a box’s block size, unless otherwise specified, this is equivalent to its automatic size.
Then for "automatic size":
For
min-width/min-height, specifies an automatic minimum size. Unless otherwise defined by the relevant layout module, however, it resolves to a used value of 0.
So min-height: min-content will resolve to min-height: 0. In other words, it has no effect.
QUESTION
I'm attempting to write the simplest docker file that will run a main class named InsertVolume in package scripts. Here is my Dockerfile :
ANSWER
Answered 2022-Jan-01 at 00:13Check first if tar -xzC /usr/share/maven --strip-components=1 did what you thought it should.
In other words, in your Dockerfile, add for testing a RUN ls -alrth /usr/bin/mvn et RUN find /usr/share/maven/ to double-check the symlink /usr/bin/mvn actually reference an existing /usr/share/maven/bin/mvn file.
You can also do the same with a docker run -it --rm test/insert bash.
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No vulnerabilities reported
Install crux
If you'd prefer to run just a client, you can build using the below instructions and run as per the below.
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