WIP: extism example

Author: b5

extism/host/Cargo.lock

@@ -0,0 +1,10 @@
+[package]
+name = "extism-host"
+version = "0.1.0"
+edition = "2021"
+
+[dependencies]
+anyhow = "1.0.79"
+extism = "1.0.0"
+tokio = { version = "1", features = ["full"] }
+iroh-extism-host-functions = { path = "../iroh-extism-host-functions" }

extism/host/Cargo.toml

@@ -0,0 +1,34 @@
+use extism::*;
+
+#[tokio::main]
+async fn main() -> anyhow::Result<()> {
+    let tokio_rt = tokio::runtime::Builder::new_multi_thread()
+        .thread_name("main-runtime")
+        .worker_threads(2)
+        .enable_all()
+        .build()?;
+    let rt = tokio_rt.handle().clone();
+
+    let iroh = rt.block_on(async {
+        let iroh_path = iroh_extism_host_functions::default_iroh_extism_data_root().await?;
+        iroh_extism_host_functions::create_iroh(iroh_path).await
+    })?;
+    println!("iroh node id: {:?}", iroh.node_id());
+
+    let file = Wasm::file("../plugin/target/wasm32-unknown-unknown/debug/plugin.wasm");
+    let manifest = Manifest::new([file]);
+
+    let plugin = PluginBuilder::new(manifest)
+        .with_wasi(true);
+
+    let mut plugin = iroh_extism_host_functions::add_all_host_functions(rt, plugin, iroh)
+        .build()?;
+
+    let res = plugin
+        .call::<&str, &str>("print_hai_and_get_ticket", "blobaaa54kekl2oa7yd5ro3u65kynwolq3h2msu65c3jfj44ja23fstmcajcnb2hi4dthixs65ltmuys2mjomrsxe4bonfzg62bonzsxi53pojvs4lydabefsibbyrlqbqfiirdmivybeyaeaqktotuaaaaaaaaaaaaqb7cvoah75ql4x2hvxaxxlgje2d7qy2avizyjb25pd4anc6c5ulvgpth5xq")
+        .unwrap();
+
+    println!("{}", res);
+
+    Ok(())
+}