Use u64 since U256 was not deserialized correctly from config

apps/fortuna/Cargo.toml

@@ -1,6 +1,6 @@
 [package]
 name = "fortuna"
-version = "5.3.1"
+version = "5.3.2"
 edition = "2021"
 
 [dependencies]

apps/fortuna/src/config.rs

@@ -18,10 +18,7 @@ use {
  Args,
  Parser,
  },
- ethers::types::{
- Address,
- U256,
- },
+ ethers::types::Address,
  std::{
  collections::HashMap,
  fs,
@@ -161,7 +158,7 @@ pub struct EthereumConfig {
  pub confirmed_block_status: BlockStatus,
 
  /// The gas limit to use for entropy callback transactions.
- pub gas_limit: U256,
+ pub gas_limit: u64,
 }
 
 #[derive(Args, Clone, Debug)]

apps/fortuna/src/keeper.rs

@@ -228,14 +228,15 @@ pub async fn run_keeper_threads(
  let fulfilled_requests_cache = Arc::new(RwLock::new(HashMap::<u64, RequestState>::new()));
 
  // Spawn a thread to handle the events from last BACKLOG_RANGE blocks.
+ let gas_limit: U256 = chain_eth_config.gas_limit.into();
  spawn(
  process_backlog(
  BlockRange {
  from: latest_safe_block.saturating_sub(BACKLOG_RANGE),
  to: latest_safe_block,
  },
  contract.clone(),
- chain_eth_config.gas_limit,
+ gas_limit,
  chain_state.clone(),
  keeper_metrics.clone(),
  fulfilled_requests_cache.clone(),
@@ -260,7 +261,7 @@ pub async fn run_keeper_threads(
  chain_state.clone(),
  rx,
  Arc::clone(&contract),
- chain_eth_config.gas_limit,
+ gas_limit,
  keeper_metrics.clone(),
  fulfilled_requests_cache.clone(),
  )