Feature request: returndata in expectCall & AccountAccess

[d1ll0n]

Component

Forge

Describe the feature you would like

It'd be nice if it was possible to specify returndata in expectCall and/or if it was provided in the AccountAccess struct from recorded state diffs, as these would allow more granular testing of the interactions between contracts.

Additional context

Think these are the primary related bits:

foundry/crates/cheatcodes/src/inspector.rs

Line 1218 in 874ea8c

for (address, calldatas) in &self.expected_calls {

foundry/crates/cheatcodes/src/inspector.rs

Line 1109 in 874ea8c

if let Some(recorded_account_diffs_stack) = &mut self.recorded_account_diffs_stack {