add a way to generate random balances in MockTransactionSimulator (p…

…aradigmxyz#6279)

crates/transaction-pool/src/test_utils/pool.rs

@@ -85,7 +85,7 @@ impl<R: Rng> MockTransactionSimulator<R> {
         let senders = config.addresses(&mut rng);
         Self {
             base_fee: config.base_fee,
-            balances: senders.iter().copied().map(|a| (a, config.balance)).collect(),
+            balances: senders.iter().copied().map(|a| (a, rng.gen())).collect(),
             nonces: senders.iter().copied().map(|a| (a, 0)).collect(),
             senders,
             scenarios: config.scenarios,
@@ -151,8 +151,6 @@ impl<R: Rng> MockTransactionSimulator<R> {
 pub(crate) struct MockSimulatorConfig {
     /// How many senders to generate.
     pub(crate) num_senders: usize,
-    // TODO(mattsse): add a way to generate different balances
-    pub(crate) balance: U256,
     /// Scenarios to test
     pub(crate) scenarios: Vec<ScenarioType>,
     /// The start base fee
@@ -214,7 +212,6 @@ pub(crate) struct ExecutedScenarios {
 fn test_on_chain_nonce_scenario() {
     let config = MockSimulatorConfig {
         num_senders: 10,
-        balance: U256::from(200_000u64),
         scenarios: vec![ScenarioType::OnchainNonce],
         base_fee: 10,
         tx_generator: MockTransactionDistribution::new(30, 10..100),