Make code wasm-compatible

[damip]

Make the code compile and function for target:

cargo build --release --target wasm32-unknown-unknown --no-default-features

Constraints:

• do not use Madara Felts and hashing but the ones from https://github.com/starknet-io/types-rs/tree/main/crates/starknet-types-core

[damip]

• All tests now pass
• rs-types Felts are now in use
• the code compiles with a wasm target with cargo build --release --target wasm32-unknown-unknown --no-default-features

The only remaining issue is that the rocksdb crate does not compile for wasm targets when the rocksdb feature is enabled.

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[tdelabro]

The only remaining issue is that the rocksdb crate does not compile for wasm targets when the rocksdb feature is enabled.

wasm doesn't know about the filesystem. Rockdb, has to know about it in order to write to it.
So I don't think it will be solvable.
You can't have both, if you are using the lib in wasm, your db cannot be using the fs like rockdb does. It will have to be an on-memory thing. Like an hashmap

[tdelabro]

I saw some activity here. What is the current state?

[0xLucqs]

after that is merged we should be good here

[0xLucqs]

@tdelabro you can review now

[tdelabro]

superseded by #7