feat(CIL): add directories crate and data

This allows for logging transaction data including budgets/costs for later inspection.

Cargo.toml

@@ -78,6 +78,7 @@ tracing-subscriber = "0.3.16"
 tracing-appender = "0.2.2"
 which = "4.4.0"
 wasmparser = "0.90.0"
+directories = "5.0.1"
 
 
 # [patch."https://github.com/stellar/rs-soroban-env"]

cmd/soroban-cli/Cargo.toml

@@ -69,7 +69,7 @@ csv = "1.1.6"
 ed25519-dalek = "2.0.0"
 jsonrpsee-http-client = "0.20.1"
 jsonrpsee-core = "0.20.1"
-hyper   = "0.14.27"
+hyper = "0.14.27"
 hyper-tls = "0.5"
 http = "0.2.9"
 regex = "1.6.0"
@@ -92,6 +92,7 @@ tracing-subscriber = { workspace = true, features = ["env-filter"] }
 cargo_metadata = "0.15.4"
 pathdiff = "0.2.1"
 dotenvy = "0.15.7"
+directories = { workspace = true }
 # For hyper-tls
 [target.'cfg(unix)'.dependencies]
 openssl = { version = "0.10.55", features = ["vendored"] }

cmd/soroban-cli/src/commands/config/data.rs

@@ -0,0 +1,21 @@
+use chrono::prelude::*;
+use directories::ProjectDirs;
+
+#[derive(thiserror::Error, Debug)]
+pub enum Error {
+    #[error("Failed to find project directories")]
+    FiledToFindProjectDirs,
+    #[error(transparent)]
+    Io(#[from] std::io::Error),
+}
+
+pub fn project_dir() -> Result<directories::ProjectDirs, Error> {
+    ProjectDirs::from("com", "stellar", "soroban-cli").ok_or(Error::FiledToFindProjectDirs)
+}
+
+pub fn write(prefix: &str, suffix: &str, data: impl AsRef<[u8]>) -> Result<(), Error> {
+    let timestamp = Utc::now().format("%Y%m%d_%H%M%S");
+    let name = format!("{prefix}_{timestamp}{suffix}");
+    let file = project_dir()?.data_local_dir().join(name);
+    Ok(std::fs::write(file, data)?)
+}

cmd/soroban-cli/src/commands/config/mod.rs

@@ -7,6 +7,7 @@ use crate::Pwd;
 
 use self::{network::Network, secret::Secret};
 
+pub mod data;
 pub mod identity;
 pub mod locator;
 pub mod network;