feat: add trace command

Adds a new command for fetching transaction traces.

src/main.rs

@@ -78,6 +78,8 @@ enum Subcommands {
     StateUpdate(StateUpdate),
     #[clap(alias = "receipt", about = "Get transaction receipt by hash")]
     TransactionReceipt(TransactionReceipt),
+    #[clap(about = "Get transaction trace by hash")]
+    Trace(TransactionTrace),
     #[clap(about = "Get Starknet network ID")]
     ChainId(ChainId),
     #[clap(about = "Get native gas token (currently ETH) balance")]
@@ -166,6 +168,7 @@ async fn run_command(cli: Cli) -> Result<()> {
             Subcommands::BlockTime(cmd) => cmd.run().await,
             Subcommands::StateUpdate(cmd) => cmd.run().await,
             Subcommands::TransactionReceipt(cmd) => cmd.run().await,
+            Subcommands::Trace(cmd) => cmd.run().await,
             Subcommands::ChainId(cmd) => cmd.run().await,
             Subcommands::Balance(cmd) => cmd.run().await,
             Subcommands::Nonce(cmd) => cmd.run().await,

src/subcommands/mod.rs

@@ -81,3 +81,6 @@ pub use invoke::Invoke;
 
 mod lab;
 pub use lab::Lab;
+
+mod transaction_trace;
+pub use transaction_trace::TransactionTrace;

src/subcommands/transaction_trace.rs

@@ -0,0 +1,34 @@
+use anyhow::Result;
+use clap::Parser;
+use colored_json::{ColorMode, Output};
+use starknet::{core::types::FieldElement, providers::Provider};
+
+use crate::{verbosity::VerbosityArgs, ProviderArgs};
+
+#[derive(Debug, Parser)]
+pub struct TransactionTrace {
+    #[clap(flatten)]
+    provider: ProviderArgs,
+    #[clap(help = "Transaction hash")]
+    hash: String,
+    #[clap(flatten)]
+    verbosity: VerbosityArgs,
+}
+
+impl TransactionTrace {
+    pub async fn run(self) -> Result<()> {
+        self.verbosity.setup_logging();
+
+        let provider = self.provider.into_provider();
+        let transaction_hash: FieldElement = self.hash.parse()?;
+
+        let trace = provider.trace_transaction(transaction_hash).await?;
+
+        let trace_json = serde_json::to_value(trace)?;
+        let trace_json =
+            colored_json::to_colored_json(&trace_json, ColorMode::Auto(Output::StdOut))?;
+        println!("{trace_json}");
+
+        Ok(())
+    }
+}