only add privkey to script wallets if broadcast is successful (#4828)

Co-authored-by: Matthias Seitz <[email protected]>

Author: 4meta5

evm/src/executor/inspector/cheatcodes/env.rs

@@ -108,6 +108,7 @@ fn broadcast(
 
 /// Sets up broadcasting from a script with the sender derived from `private_key`
 /// Adds this private key to `state`'s `script_wallets` vector to later be used for signing
+/// iff broadcast is successful
 fn broadcast_key(
     state: &mut Cheatcodes,
     private_key: U256,
@@ -120,9 +121,12 @@ fn broadcast_key(
     let key = super::util::parse_private_key(private_key)?;
     let wallet = LocalWallet::from(key).with_chain_id(chain_id.as_u64());
     let new_origin = wallet.address();
-    state.script_wallets.push(wallet);
 
-    broadcast(state, new_origin, original_caller, original_origin, depth, single_call)
+    let result = broadcast(state, new_origin, original_caller, original_origin, depth, single_call);
+    if result.is_ok() {
+        state.script_wallets.push(wallet);
+    }
+    result
 }
 
 fn prank(