Add toy_vm with sort lookup argument example

Cargo.toml

@@ -2,6 +2,8 @@
 members = [
     "example_contract",
     "example_contract_permissioned",
+    "example_toy_vm/example",
+    "example_toy_vm/toy_vm",
     "starstream_cli",
     "starstream_compiler",
     "starstream_sandbox",

Makefile

@@ -9,3 +9,4 @@ cargo:
 all: vsc
 vsc:
 	@cd starstream_vscode && npm i && npx vsce package
+

example_toy_vm/example/Cargo.toml

@@ -0,0 +1,37 @@
+cargo-features = ["per-package-target"]
+
+[package]
+name = "example_toy_vm"
+version = "0.0.0"
+edition = "2024"
+license = "MIT"
+
+forced-target = "wasm32-unknown-unknown"
+
+[lib]
+test = false
+
+[[bin]]
+name = "example_toy_vm"
+test = false
+
+# do this only so that `cargo test --workspace` doesn't fail by trying to
+# link with starstream functions, since outside of wasm those are not imported
+# dynamically.
+[target.'cfg(not(target_arch = "wasm32"))'.dependencies]
+toy_vm = { path = "../toy_vm", features = [] }
+
+[target.'cfg(target_arch = "wasm32")'.dependencies]
+toy_vm = { path = "../toy_vm", features = ["starstream"] }
+
+[dependencies]
+stack_dst = { version = "0.8.1", default-features = false, features = ["const_generics"] }
+starstream_sys = { path = "../../starstream_sys" }
+talc = "4.4.2"
+spin = "0.10.0"
+rand = { version = "0.9.1", default-features = false }
+rand_chacha = { version = "0.9.0", default-features = false }
+
+[dev-dependencies]
+starstream_vm = { path = "../../starstream_vm" }
+wasmi = { git = "https://github.com/ICME-Lab/zkEngine_dev" }

example_toy_vm/example/src/lib.rs

@@ -0,0 +1,24 @@
+#![no_std]
+
+use starstream::utxo_import;
+
+#[link(wasm_import_module = "starstream_utxo:example_toy_vm")]
+unsafe extern "C" {
+    safe fn starstream_new_VmUtxo_new() -> VmUtxo;
+}
+
+utxo_import! {
+    "starstream_utxo:example_toy_vm";
+    VmUtxo;
+    starstream_status_VmUtxo;
+    starstream_resume_VmUtxo;
+    ();
+}
+
+impl VmUtxo {
+    #[allow(clippy::new_without_default)]
+    #[inline]
+    pub fn new() -> Self {
+        starstream_new_VmUtxo_new()
+    }
+}