Add tx hash at the top of the send command (#1747)

Co-authored-by: Leigh McCulloch <351529+leighmcculloch@users.noreply.github.com>
Co-authored-by: Nando Vieira <me@fnando.com>

cmd/soroban-cli/src/commands/tx/send.rs

@@ -1,3 +1,4 @@
+use crate::{print::Print, utils::transaction_hash};
 use async_trait::async_trait;
 use soroban_rpc::GetTransactionResponse;
 
@@ -46,7 +47,7 @@ impl NetworkRunnable for Cmd {
     type Result = GetTransactionResponse;
     async fn run_against_rpc_server(
         &self,
-        _: Option<&global::Args>,
+        globals: Option<&global::Args>,
         config: Option<&config::Args>,
     ) -> Result<Self::Result, Self::Error> {
         let network = if let Some(config) = config {
@@ -56,6 +57,14 @@ impl NetworkRunnable for Cmd {
         };
         let client = network.rpc_client()?;
         let tx_env = super::xdr::tx_envelope_from_stdin()?;
+
+        if let Ok(Ok(hash)) = super::xdr::unwrap_envelope_v1(tx_env.clone())
+            .map(|tx| transaction_hash(&tx, &network.network_passphrase))
+        {
+            let print = Print::new(globals.map_or(false, |g| g.quiet));
+            print.infoln(format!("Transaction Hash: {}", hex::encode(hash)));
+        }
+
         Ok(client.send_transaction_polling(&tx_env).await?)
     }
 }

flake.nix

@@ -36,8 +36,8 @@
           };
 
           cargoLock.outputHashes = {
-              # The only git+https dependency in Cargo.lock
-              "stellar-rpc-client-21.4.0" = "sha256-ue7Ynux9YaDP3f/XkHz2OPd2g0iCX5R0yS5SaVHEYxQ";
+              # This is needed for any git+https dependency in Cargo.lock
+              # "somepackage-1.2.3" = "sha256-somehash";
           };
 
           doCheck = false;