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Re: [MirageOS-devel] Irmin and js_of_ocaml

  • To: Thomas Leonard <talex5@xxxxxxxxx>, "mirageos-devel@xxxxxxxxxxxxxxxxxxxx" <mirageos-devel@xxxxxxxxxxxxxxxxxxxx>
  • From: Drup <drupyog+caml@xxxxxxxx>
  • Date: Mon, 16 Feb 2015 15:15:42 +0100
  • Delivery-date: Mon, 16 Feb 2015 14:15:52 +0000
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  • List-id: Developer list for MirageOS <mirageos-devel.lists.xenproject.org>

1) Irmin on the browser would be very useful!
2) No opinion on the nocrypto usage in Irmin, maybe it should be isolated away. However we have a bigint implementation in javascript in order to have num in js_of_ocaml, so it should be possible to reuse that for zarith. Having zarith in js_of_ocaml would be great too (several person expressed interests about that).

Le 16/02/2015 15:03, Thomas Leonard a écrit :
Is it possible to use Irmin under js_of_ocaml? I tried it, but I got
this in the browser console at startup:

   uncaught exception: 0,0,Failure,ml_z_init not implemented

It looks like Irmin pulls in Nocrypto (and thus zarith) only for the
SHA1.digest function. There are also lots of warnings about missing
cstruct stubs.

I was thinking of running Irmin in the browser with HTML 5 storage as
a backend, but perhaps it would be easier to keep Irmin on the server.
Any suggestions?

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