refactor: use poseidon library

Author: olehmisar

Nargo.toml

@@ -2,7 +2,7 @@
 name = "nodash"
 type = "lib"
 description = "A Swiss knife for Noir"
-version = "0.41.0"
+version = "0.41.1"
 authors = ["Oleh Misarosh <[email protected]>"]
 repository = "https://github.com/olehmisar/nodash"
 keywords = ["Noir", "nodash", "util", "hash"]
@@ -11,3 +11,4 @@ keywords = ["Noir", "nodash", "util", "hash"]
 [dependencies]
 sha256 = { tag = "v0.1.2", git = "https://github.com/noir-lang/sha256" }
 keccak256 = { tag = "v0.1.0", git = "https://github.com/noir-lang/keccak256" }
+poseidon = { tag = "v0.1.0", git = "https://github.com/noir-lang/poseidon" }

src/hash.nr

@@ -1,6 +1,6 @@
 pub fn poseidon2<let N: u32>(input: impl ArrayOrBoundedVec<Field, N>) -> Field {
     let input = input.as_bounded_vec();
-    std::hash::poseidon2::Poseidon2::hash(input.storage(), input.len())
+    poseidon::poseidon2::Poseidon2::hash(input.storage(), input.len())
 }
 
 // TODO: is it possible for pedersen to accept BoundedVec?
@@ -67,11 +67,11 @@ mod tests {
     fn test_against_std() {
         assert(
             poseidon2(FIELD_INPUT_ARR)
-                == std::hash::poseidon2::Poseidon2::hash(FIELD_INPUT_ARR, FIELD_INPUT_ARR.len()),
+                == poseidon::poseidon2::Poseidon2::hash(FIELD_INPUT_ARR, FIELD_INPUT_ARR.len()),
         );
         assert(
             poseidon2(FIELD_INPUT_VEC_LONGER)
-                == std::hash::poseidon2::Poseidon2::hash(
+                == poseidon::poseidon2::Poseidon2::hash(
                     FIELD_INPUT_VEC_LONGER.storage(),
                     FIELD_INPUT_VEC_LONGER.len(),
                 ),