Bootstrap geth Rust workspace

crates/geth-testkit/Cargo.toml

@@ -0,0 +1,11 @@
+[package]
+name = "geth-testkit"
+version = "0.1.0"
+edition.workspace = true
+rust-version.workspace = true
+license.workspace = true
+
+[dependencies]
+tempfile.workspace = true
+geth-config = { path = "../geth-config" }
+geth-node = { path = "../geth-node" }

crates/geth-testkit/src/lib.rs

@@ -0,0 +1,14 @@
+use tempfile::TempDir;
+
+pub struct TestHome {
+    _dir: TempDir,
+    pub paths: geth_config::GethPaths,
+}
+
+impl TestHome {
+    pub fn new() -> std::io::Result<Self> {
+        let dir = tempfile::tempdir()?;
+        let paths = geth_config::GethPaths::from_home(dir.path());
+        Ok(Self { _dir: dir, paths })
+    }
+}