feat: implement poseidon transcript #107
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fakedev9999
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fakedev9999
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Oct 23, 2023
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Could you add a reason for why you rename |
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Could you update the commit body to the last commit? |
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Halo2 uses a different config entry from the "default" config entries in arkworks, so renamed to `PoseidonConfigEntry`. See https://github.com/kroma-network/halo2/blob/7d0a36990452c8e7ebd600de258420781a9b7917/halo2_proofs/src/transcript/poseidon.rs#L28C31-L28C31
- Rename test - Use `TEST_F` instead of `TYPED_TEST` - Use `F` instead of `math::bls12_381::Fr`
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See [PoseidonRead](https://github.com/kroma-network/halo2/blob/7d0a36990452c8e7ebd600de258420781a9b7917/halo2_proofs/src/transcript/poseidon.rs#L12-L100), [PoseidonWrite](https://github.com/kroma-network/halo2/blob/7d0a36990452c8e7ebd600de258420781a9b7917/halo2_proofs/src/transcript/poseidon.rs#L102-L174), [Transcript](https://github.com/kroma-network/halo2/blob/7d0a36990452c8e7ebd600de258420781a9b7917/halo2_proofs/src/transcript.rs#L43-L63), [TranscriptRead](https://github.com/kroma-network/halo2/blob/7d0a36990452c8e7ebd600de258420781a9b7917/halo2_proofs/src/transcript.rs#L65-L73) and [TranscriptWirte](https://github.com/kroma-network/halo2/blob/7d0a36990452c8e7ebd600de258420781a9b7917/halo2_proofs/src/transcript.rs#L75-L83).
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Description
This PR implements Poseidon Transcript (Poseidon Read/Write) along with a base class Transcript (Transcript, Transcript Read/Write) which will later also be used implementing Sha256 Transcript.
Note that Halo2 Poseidon Sponge is implemented for two variants compared to Poseidon Sponge from arkworks.
For the halo2 rust implementation, see link