chores: replace eth2_hashing with ethereum_hashing

This is a necessary step to update ring, which is necessary to build in risc-v.

Part of #1444.

trin-validation/Cargo.toml

@@ -14,7 +14,7 @@ authors = ["https://github.com/ethereum/trin/graphs/contributors"]
 alloy-primitives.workspace = true
 anyhow.workspace = true
 enr = "0.10.0"
-eth2_hashing = "0.2.0"
+ethereum_hashing = "0.7.0"
 ethereum_ssz.workspace = true
 ethereum_ssz_derive.workspace = true
 ethportal-api.workspace = true

trin-validation/src/accumulator.rs

@@ -167,15 +167,15 @@ impl PreMergeAccumulator {
         // convert total difficulty to B256
         let header_difficulty = B256::from(header_record.total_difficulty.to_le_bytes());
         // calculate hash of the header record
-        let header_record_hash = B256::from_slice(&eth2_hashing::hash32_concat(
+        let header_record_hash = B256::from_slice(&ethereum_hashing::hash32_concat(
             header_record.block_hash.as_slice(),
             header_difficulty.as_slice(),
         ));
         // iterate over every header record in the epoch acc to create the leaves
         let leaves = epoch_acc
             .iter()
             .map(|record| {
-                B256::from_slice(&eth2_hashing::hash32_concat(
+                B256::from_slice(&ethereum_hashing::hash32_concat(
                     record.block_hash.as_slice(),
                     record.total_difficulty.as_le_slice(),
                 ))

trin-validation/src/merkle/proof.rs

@@ -3,7 +3,7 @@
 /// https://github.com/sigp/lighthouse/blob/bf533c8e42/consensus/merkle_proof/src/lib.rs
 use crate::merkle::safe_arith::ArithError;
 use alloy_primitives::B256;
-use eth2_hashing::{hash, hash32_concat, ZERO_HASHES};
+use ethereum_hashing::{hash, hash32_concat, ZERO_HASHES};
 use lazy_static::lazy_static;
 
 const MAX_TREE_DEPTH: usize = 32;