Wasm support - virtualize filesystem #264
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This PR replaces all usage of
std::fswithvirtual_fs::FileSystem, which enables compiling circom in pure rust.In particular, this enables running circom in webassembly. Here's a demo.
I work on MPC within PSE, and one of our goals is to enable easy and productive development of MPC applications in JS. We hope to achieve this by providing an end-to-end solution in portable JS code, which includes compiling circom programs into arithmetic circuits. More info.
I recognize this is a lot of code from a new external contributor 😅. Feel free to treat this as a conversation starter, but it does work and I believe could be merged as-is.