pub(crate) fn insert(
        &mut self,
        syscall_code: SyscallCode,
        events: Vec<(SyscallEvent, PrecompileEvent)>,
    ) {
        assert!(syscall_code.should_send() == 1);
        self.events.insert(syscall_code, events);
    }
Insert a vector of precompile events for a given syscall code.
crates/core/executor/src/events/precompiles/mod.rs