use ark_bn254::Fr; use ark_ff::{BigInteger, PrimeField}; use light_poseidon::{parameters::bn254_x5, Poseidon, PoseidonBytesHasher}; fn poseidon_hash(inputs: &[&[u8]]) -> anyhow::Result<[u8; 32]> { let mut poseidon = Poseidon::::new_circom(2).unwrap(); let hash = poseidon.hash_bytes_be(inputs)?; Ok(hash) }