Simplify load_predeployed_contracts

Author: franciszekjob

crates/cheatnet/src/predeployment/contracts_data.rs

@@ -1,38 +1,12 @@
 use crate::{
     predeployment::erc20::contracts_data::load_erc20_predeployed_contracts,
-    predeployment::erc20::eth::{ETH_CONTRACT_NAME, ETH_SIERRA_CLASS_HASH},
-    predeployment::erc20::strk::{STRK_CONTRACT_NAME, STRK_SIERRA_CLASS_HASH},
     runtime_extensions::forge_runtime_extension::contracts_data::ContractsData,
 };
-use anyhow::{Result, anyhow};
-use conversions::string::TryFromHexStr;
+use anyhow::Result;
 
 pub fn load_predeployed_contracts() -> Result<ContractsData> {
     // In the future, if we have more contracts to predeploy, we can split them into separate functions and merge the results here.
     let erc20_contracts = load_erc20_predeployed_contracts()?;
 
-    let mut contracts_data = ContractsData::try_from(erc20_contracts)?;
-
-    // Class hashes for STRK and ETH contract are different on network than the ones
-    // calculated from their sierras, so we need to update them.
-    let class_hashes_to_update = vec![
-        (STRK_CONTRACT_NAME.to_string(), STRK_SIERRA_CLASS_HASH),
-        (ETH_CONTRACT_NAME.to_string(), ETH_SIERRA_CLASS_HASH),
-    ];
-
-    for (contract_name, class_hash) in class_hashes_to_update {
-        let class_hash = TryFromHexStr::try_from_hex_str(class_hash)?;
-
-        contracts_data
-            .class_hashes
-            .insert(contract_name.clone(), class_hash);
-
-        let contract_data = contracts_data
-            .contracts
-            .get_mut(&contract_name)
-            .ok_or_else(|| anyhow!("contract data for {contract_name} should exist"))?;
-        contract_data.class_hash = class_hash;
-    }
-
-    Ok(contracts_data)
+    ContractsData::try_from(erc20_contracts)
 }