feat: add p/snowflake

[DIGIX666]

I suggest adding a UUID package because I think it could be useful to have it available. I think it can further facilitate traceability and compatibility between different systems and apps as they would have a common standard for identifying entities.

To improve UUID generation, I wanted to add a resolver like Snowflake, but from what I've searched, sync/atomic is not supported on Gno. Is there another similar package that I might have missed ?

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[notJoon]

To improve UUID generation, I wanted to add a resolver like Snowflake, but from what I've searched, sync/atomic is not supported on Gno. Is there another similar package that I might have missed ?

There is no other way to guarantee atomicity besides using time in environments where atomic is not supported. If we consider it further, it seems possible to generate a random value (using crypto/rand or not merged yet, but maybe later) like a machine ID, assign it, and then combine it. Of course, this is slightly different from the implementation of Snowflake.

[DIGIX666]

To improve UUID generation, I wanted to add a resolver like Snowflake, but from what I've searched, sync/atomic is not supported on Gno. Is there another similar package that I might have missed ?

There is no other way to guarantee atomicity besides using time in environments where atomic is not supported. If we consider it further, it seems possible to generate a random value (using crypto/rand or not merged yet, but #1933 later) like a machine ID, assign it, and then combine it. Of course, this is slightly different from the implementation of Snowflake.

Thanks for your explanation. I will check the progress of crypto/rand to try to use it.

[DIGIX666]

seems not "gno-ified" enough :)

can you also provide some examples, like a screenshot or something so that we can see various generated output examples just by reviewing the PR, please?

Output this my last commit 485ce8d:

[DIGIX666]

Finish corrective review

[zivkovicmilos]

Hey @DIGIX666, can you please update this branch with master? 🙏

[Gno2D2]

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