remove old .env.example file, add get_block script for testing

.env.example

@@ -1,20 +0,0 @@
-### node filesystem config, adjust according to your needs.
-### note, will run with default values if no .env is found.
-
-### for example, if you use remote s3, you might want to set chunk_size to 5mb, and adjust flush_to_cold_interval
-
-### Default values automatically set (s3 defaults to None)
-
-# MEM_BUFFER_LIMIT=5242880        # 5mb
-# READ_CACHE_LIMIT=5242880        # 5mb
-# CHUNK_SIZE=262144         # 256kb
-# FLUSH_TO_COLD_INTERVAL=60 # 60s
-# ENCRYPTION=true           # true
-# CLOUD_ENABLED=false       # false, controls whether new writes will be to s3 or local
-
-###  Example s3 config
-# S3_ACCESS_KEY=minioadmin
-# S3_SECRET__KEY=minioadmin
-# S3_REGION=eu-north-1
-# S3_BUCKET=mylittlebucket
-# S3_ENDPOINT=http://localhost:9000

Cargo.lock

@@ -1963,6 +1963,16 @@ dependencies = [
  "zeroize",
 ]
 
+[[package]]
+name = "get_block"
+version = "0.1.0"
+dependencies = [
+ "kinode_process_lib 0.6.0 (git+https://github.com/kinode-dao/process_lib?rev=3232423)",
+ "serde",
+ "serde_json",
+ "wit-bindgen",
+]
+
 [[package]]
 name = "getrandom"
 version = "0.2.12"

Cargo.toml

@@ -18,7 +18,7 @@ members = [
     "kinode/packages/app_store/download", "kinode/packages/app_store/install", "kinode/packages/app_store/uninstall",
     "kinode/packages/chess/chess",
     "kinode/packages/homepage/homepage",
-    "kinode/packages/kns_indexer/kns_indexer",
+    "kinode/packages/kns_indexer/kns_indexer", "kinode/packages/kns_indexer/get_block",
     "kinode/packages/terminal/terminal",
     "kinode/packages/terminal/alias", "kinode/packages/terminal/cat", "kinode/packages/terminal/echo", "kinode/packages/terminal/hi", "kinode/packages/terminal/m", "kinode/packages/terminal/top",
     "kinode/packages/tester/tester", "kinode/packages/tester/test_runner",

kinode/packages/kns_indexer/get_block/Cargo.toml

@@ -0,0 +1,17 @@
+[package]
+name = "get_block"
+version = "0.1.0"
+edition = "2021"
+
+
+[dependencies]
+kinode_process_lib = { git = "https://github.com/kinode-dao/process_lib", rev = "3232423" }
+serde = { version = "1.0", features = ["derive"] }
+serde_json = "1.0"
+wit-bindgen = { git = "https://github.com/bytecodealliance/wit-bindgen", rev = "21a46c7" }
+
+[lib]
+crate-type = ["cdylib"]
+
+[package.metadata.component]
+package = "kinode:process"

kinode/packages/kns_indexer/get_block/src/lib.rs

@@ -0,0 +1,29 @@
+use kinode_process_lib::{
+    await_next_request_body, call_init, eth::get_block_number, println, Address, Request, SendError,
+};
+
+wit_bindgen::generate!({
+    path: "wit",
+    world: "process",
+    exports: {
+        world: Component,
+    },
+});
+
+call_init!(init);
+
+fn init(our: Address) {
+    let Ok(_args) = await_next_request_body() else {
+        println!("get_block: failed to get args, aborting");
+        return;
+    };
+
+    match get_block_number() {
+        Ok(block_number) => {
+            println!("latest block number: {block_number}");
+        }
+        Err(e) => {
+            println!("get_block: failed to get block number: {}", e);
+        }
+    }
+}

kinode/packages/kns_indexer/pkg/scripts.json

@@ -0,0 +1,13 @@
+{
+    "get_block.wasm": {
+        "root": false,
+        "public": false,
+        "request_networking": false,
+        "request_capabilities": [
+            "eth:distro:sys"
+        ],
+        "grant_capabilities": [
+            "eth:distro:sys"
+        ]
+    }
+}