Implement call host function

cli/src/commands/execute.rs

@@ -113,7 +113,9 @@ impl ExecuteCmd {
     let start_time = Instant::now();
     let client = ExecutionClient::new();
     // no host interface needed for direct execution
-    let (output, _gas_left) = client.execute::<MockHost>(&elf, stdin, None, None).unwrap();
+    let (output, _gas_left) = client
+      .execute::<MockHost>(&elf, stdin, None, None, None)
+      .unwrap();
 
     let elapsed = elapsed(start_time.elapsed());
     let green = AnsiColor::Green.on_default().effects(Effects::BOLD);

core/Cargo.toml

@@ -15,7 +15,6 @@ elf = "0.7.4"
 log = "0.4.21"
 nohash-hasher = "0.2.0"
 rrs-lib = { git = "https://github.com/GregAC/rrs.git" }
-
 cfg-if = "1.0.0"
 hex = "0.4.3"
 serde_with = "3.8.1"

core/src/runtime/io.rs

@@ -85,7 +85,7 @@ pub mod tests {
   fn test_io_run() {
     setup_logger();
     let program = Program::from(IO_ELF);
-    let mut runtime = Runtime::<MockHost>::new(program, None, AthenaCoreOpts::default());
+    let mut runtime = Runtime::<MockHost>::new(program, None, AthenaCoreOpts::default(), None);
     let points = points();
     runtime.write_stdin(&points.0);
     runtime.write_stdin(&points.1);