feat: --no-build command allows returning built transaction

--sim-only for assembling transactions

cmd/crates/soroban-test/src/lib.rs

@@ -236,22 +236,25 @@ impl TestEnv {
             },
             hd_path: None,
         };
-        cmd.run_against_rpc_server(
-            Some(&global::Args {
-                locator: config::locator::Args {
-                    global: false,
-                    config_dir,
-                },
-                filter_logs: Vec::default(),
-                quiet: false,
-                verbose: false,
-                very_verbose: false,
-                list: false,
-                no_cache: false,
-            }),
-            Some(&config),
-        )
-        .await
+        Ok(cmd
+            .run_against_rpc_server(
+                Some(&global::Args {
+                    locator: config::locator::Args {
+                        global: false,
+                        config_dir,
+                    },
+                    filter_logs: Vec::default(),
+                    quiet: false,
+                    verbose: false,
+                    very_verbose: false,
+                    list: false,
+                    no_cache: false,
+                }),
+                Some(&config),
+            )
+            .await?
+            .res()
+            .unwrap())
     }
 
     /// Reference to current directory of the `TestEnv`.

cmd/crates/soroban-test/tests/it/integration/hello_world.rs

@@ -11,6 +11,18 @@ use crate::integration::util::extend_contract;
 use super::util::{deploy_hello, extend, HELLO_WORLD};
 
 #[allow(clippy::too_many_lines)]
+#[tokio::test]
+async fn invoke_view_with_non_existent_source_account() {
+    let sandbox = &TestEnv::new();
+    let id = deploy_hello(sandbox).await;
+    let world = "world";
+    let mut cmd = hello_world_cmd(&id, world);
+    cmd.config.source_account = String::new();
+    cmd.is_view = true;
+    let res = sandbox.run_cmd_with(cmd, "test").await.unwrap();
+    assert_eq!(res, format!(r#"["Hello",{world:?}]"#));
+}
+
 #[tokio::test]
 async fn invoke() {
     let sandbox = &TestEnv::new();
@@ -140,12 +152,16 @@ fn invoke_hello_world(sandbox: &TestEnv, id: &str) {
         .success();
 }
 
-async fn invoke_hello_world_with_lib(e: &TestEnv, id: &str) {
-    let cmd = contract::invoke::Cmd {
+fn hello_world_cmd(id: &str, arg: &str) -> contract::invoke::Cmd {
+    contract::invoke::Cmd {
         contract_id: id.to_string(),
-        slop: vec!["hello".into(), "--world=world".into()],
+        slop: vec!["hello".into(), format!("--world={arg}").into()],
         ..Default::default()
-    };
+    }
+}
+
+async fn invoke_hello_world_with_lib(e: &TestEnv, id: &str) {
+    let cmd = hello_world_cmd(id, "world");
     let res = e.run_cmd_with(cmd, "test").await.unwrap();
     assert_eq!(res, r#"["Hello","world"]"#);
 }

cmd/soroban-cli/src/commands/contract/deploy/asset.rs

@@ -14,7 +14,9 @@ use std::{array::TryFromSliceError, fmt::Debug, num::ParseIntError};
 use crate::{
     commands::{
         config::{self, data},
-        global, network, NetworkRunnable,
+        global, network,
+        txn_result::TxnResult,
+        NetworkRunnable,
     },
     rpc::{Client, Error as SorobanRpcError},
     utils::{contract_id_hash_from_asset, parsing::parse_asset},
@@ -80,7 +82,7 @@ impl NetworkRunnable for Cmd {
         &self,
         args: Option<&global::Args>,
         config: Option<&config::Args>,
-    ) -> Result<String, Error> {
+    ) -> Result<TxnResult<String>, Error> {
         let config = config.unwrap_or(&self.config);
         // Parse asset
         let asset = parse_asset(&self.asset)?;
@@ -108,8 +110,11 @@ impl NetworkRunnable for Cmd {
             network_passphrase,
             &key,
         )?;
+        if self.fee.build_only {
+            return Ok(TxnResult::from_xdr(&tx)?);
+        }
         let txn = client.create_assembled_transaction(&tx).await?;
-        let txn = self.fee.apply_to_assembled_txn(txn);
+        let txn = self.fee.apply_to_assembled_txn(txn)?;
         let get_txn_resp = client
             .send_assembled_transaction(txn, &key, &[], network_passphrase, None, None)
             .await?
@@ -118,7 +123,9 @@ impl NetworkRunnable for Cmd {
             data::write(get_txn_resp, &network.rpc_uri()?)?;
         }
 
-        Ok(stellar_strkey::Contract(contract_id.0).to_string())
+        Ok(TxnResult::Xdr(
+            stellar_strkey::Contract(contract_id.0).to_string(),
+        ))
     }
 }
 

cmd/soroban-cli/src/commands/contract/deploy/wasm.rs

@@ -17,7 +17,9 @@ use soroban_env_host::{
 use crate::commands::{
     config::data,
     contract::{self, id::wasm::get_contract_id},
-    global, network, NetworkRunnable,
+    global, network,
+    txn_result::{self, TxnResult},
+    NetworkRunnable,
 };
 use crate::{
     commands::{config, contract::install, HEADING_RPC},
@@ -93,6 +95,8 @@ pub enum Error {
     #[error(transparent)]
     WasmId(#[from] contract::id::wasm::Error),
     #[error(transparent)]
+    TxnResult(#[from] txn_result::Error),
+    #[error(transparent)]
     Data(#[from] data::Error),
     #[error(transparent)]
     Network(#[from] network::Error),
@@ -115,18 +119,20 @@ impl NetworkRunnable for Cmd {
         &self,
         global_args: Option<&global::Args>,
         config: Option<&config::Args>,
-    ) -> Result<String, Error> {
+    ) -> Result<TxnResult<String>, Error> {
         let config = config.unwrap_or(&self.config);
         let wasm_hash = if let Some(wasm) = &self.wasm {
+            let mut fee = self.fee.clone();
+            fee.build_only = false;
             let hash = install::Cmd {
                 wasm: wasm::Args { wasm: wasm.clone() },
                 config: config.clone(),
-                fee: self.fee.clone(),
+                fee,
                 ignore_checks: self.ignore_checks,
             }
             .run_against_rpc_server(global_args, Some(config))
             .await?;
-            hex::encode(hash)
+            hex::encode(hash.try_res()?)
         } else {
             self.wasm_hash
                 .as_ref()
@@ -169,16 +175,22 @@ impl NetworkRunnable for Cmd {
             salt,
             &key,
         )?;
+        if self.fee.build_only {
+            return Ok(TxnResult::from_xdr(&txn)?);
+        }
+
         let txn = client.create_assembled_transaction(&txn).await?;
-        let txn = self.fee.apply_to_assembled_txn(txn);
+        let txn = self.fee.apply_to_assembled_txn(txn)?;
         let get_txn_resp = client
             .send_assembled_transaction(txn, &key, &[], &network.network_passphrase, None, None)
             .await?
             .try_into()?;
         if global_args.map_or(true, |a| !a.no_cache) {
             data::write(get_txn_resp, &network.rpc_uri()?)?;
         }
-        Ok(stellar_strkey::Contract(contract_id.0).to_string())
+        Ok(TxnResult::Res(
+            stellar_strkey::Contract(contract_id.0).to_string(),
+        ))
     }
 }
 

cmd/soroban-cli/src/commands/contract/extend.rs

@@ -11,7 +11,9 @@ use soroban_env_host::xdr::{
 use crate::{
     commands::{
         config::{self, data},
-        global, network, NetworkRunnable,
+        global, network,
+        txn_result::TxnResult,
+        NetworkRunnable,
     },
     key,
     rpc::{self, Client},
@@ -87,7 +89,11 @@ pub enum Error {
 impl Cmd {
     #[allow(clippy::too_many_lines)]
     pub async fn run(&self) -> Result<(), Error> {
-        let ttl_ledger = self.run_against_rpc_server(None, None).await?;
+        let res = self.run_against_rpc_server(None, None).await?;
+        let TxnResult::Res(ttl_ledger) = &res else {
+            println!("{}", res.xdr().unwrap());
+            return Ok(());
+        };
         if self.ttl_ledger_only {
             println!("{ttl_ledger}");
         } else {
@@ -117,7 +123,7 @@ impl NetworkRunnable for Cmd {
         &self,
         args: Option<&global::Args>,
         config: Option<&config::Args>,
-    ) -> Result<u32, Self::Error> {
+    ) -> Result<TxnResult<u32>, Self::Error> {
         let config = config.unwrap_or(&self.config);
         let network = config.get_network()?;
         tracing::trace!(?network);
@@ -161,7 +167,9 @@ impl NetworkRunnable for Cmd {
                 resource_fee: 0,
             }),
         };
-
+        if self.fee.build_only {
+            return Ok(TxnResult::from_xdr(&tx)?);
+        }
         let res = client
             .prepare_and_send_transaction(&tx, &key, &[], &network.network_passphrase, None, None)
             .await?;
@@ -194,7 +202,7 @@ impl NetworkRunnable for Cmd {
             let entry = client.get_full_ledger_entries(&keys).await?;
             let extension = entry.entries[0].live_until_ledger_seq;
             if entry.latest_ledger + i64::from(extend_to) < i64::from(extension) {
-                return Ok(extension);
+                return Ok(TxnResult::Res(extension));
             }
         }
 
@@ -209,7 +217,7 @@ impl NetworkRunnable for Cmd {
                         }),
                     ..
                 }),
-            ) => Ok(*live_until_ledger_seq),
+            ) => Ok(TxnResult::Res(*live_until_ledger_seq)),
             _ => Err(Error::LedgerEntryNotFound),
         }
     }

cmd/soroban-cli/src/commands/contract/fetch.rs

@@ -21,6 +21,7 @@ use stellar_strkey::DecodeError;
 
 use super::super::config::{self, locator};
 use crate::commands::network::{self, Network};
+use crate::commands::txn_result::TxnResult;
 use crate::commands::{global, NetworkRunnable};
 use crate::{
     rpc::{self, Client},
@@ -116,7 +117,14 @@ impl Cmd {
     }
 
     pub async fn get_bytes(&self) -> Result<Vec<u8>, Error> {
-        self.run_against_rpc_server(None, None).await
+        // This is safe because fetch doesn't create a transaction
+        unsafe {
+            Ok(self
+                .run_against_rpc_server(None, None)
+                .await?
+                .res()
+                .unwrap_unchecked())
+        }
     }
 
     pub fn network(&self) -> Result<Network, Error> {
@@ -137,7 +145,7 @@ impl NetworkRunnable for Cmd {
         &self,
         _args: Option<&global::Args>,
         config: Option<&config::Args>,
-    ) -> Result<Vec<u8>, Error> {
+    ) -> Result<TxnResult<Vec<u8>>, Error> {
         let network = config.map_or_else(|| self.network(), |c| Ok(c.get_network()?))?;
         tracing::trace!(?network);
         let contract_id = self.contract_id()?;
@@ -146,7 +154,7 @@ impl NetworkRunnable for Cmd {
             .verify_network_passphrase(Some(&network.network_passphrase))
             .await?;
         // async closures are not yet stable
-        Ok(client.get_remote_wasm(&contract_id).await?)
+        Ok(TxnResult::Res(client.get_remote_wasm(&contract_id).await?))
     }
 }
 pub fn get_contract_wasm_from_storage(

cmd/soroban-cli/src/commands/contract/install.rs

@@ -12,6 +12,7 @@ use soroban_env_host::xdr::{
 
 use super::restore;
 use crate::commands::network;
+use crate::commands::txn_result::TxnResult;
 use crate::commands::{config::data, global, NetworkRunnable};
 use crate::key;
 use crate::rpc::{self, Client};
@@ -72,7 +73,10 @@ pub enum Error {
 
 impl Cmd {
     pub async fn run(&self) -> Result<(), Error> {
-        let res_str = hex::encode(self.run_against_rpc_server(None, None).await?);
+        let res_str = match self.run_against_rpc_server(None, None).await? {
+            TxnResult::Xdr(xdr) => xdr,
+            TxnResult::Res(hash) => hex::encode(hash),
+        };
         println!("{res_str}");
         Ok(())
     }
@@ -86,7 +90,7 @@ impl NetworkRunnable for Cmd {
         &self,
         args: Option<&global::Args>,
         config: Option<&config::Args>,
-    ) -> Result<Hash, Error> {
+    ) -> Result<TxnResult<Hash>, Error> {
         let config = config.unwrap_or(&self.config);
         let contract = self.wasm.read()?;
         let network = config.get_network()?;
@@ -125,6 +129,9 @@ impl NetworkRunnable for Cmd {
         let (tx_without_preflight, hash) =
             build_install_contract_code_tx(&contract, sequence + 1, self.fee.fee, &key)?;
 
+        if self.fee.build_only {
+            return Ok(TxnResult::from_xdr(&tx_without_preflight)?);
+        }
         let code_key =
             xdr::LedgerKey::ContractCode(xdr::LedgerKeyContractCode { hash: hash.clone() });
         let contract_data = client.get_ledger_entries(&[code_key]).await?;
@@ -151,11 +158,10 @@ impl NetworkRunnable for Cmd {
                 }
             }
         }
-
         let txn = client
             .create_assembled_transaction(&tx_without_preflight)
             .await?;
-        let txn = self.fee.apply_to_assembled_txn(txn);
+        let txn = self.fee.apply_to_assembled_txn(txn)?;
         let txn_resp = client
             .send_assembled_transaction(txn, &key, &[], &network.network_passphrase, None, None)
             .await?;
@@ -189,7 +195,7 @@ impl NetworkRunnable for Cmd {
         if args.map_or(true, |a| !a.no_cache) {
             data::write_spec(&hash.to_string(), &wasm_spec.spec)?;
         }
-        Ok(hash)
+        Ok(TxnResult::Res(hash))
     }
 }