cli: add solana program extend subcommand

cli-output/src/cli_output.rs

@@ -2316,6 +2316,26 @@ impl fmt::Display for CliUpgradeableProgramClosed {
     }
 }
 
+#[derive(Serialize, Deserialize)]
+#[serde(rename_all = "camelCase")]
+pub struct CliUpgradeableProgramExtended {
+    pub program_id: String,
+    pub additional_bytes: u32,
+}
+impl QuietDisplay for CliUpgradeableProgramExtended {}
+impl VerboseDisplay for CliUpgradeableProgramExtended {}
+impl fmt::Display for CliUpgradeableProgramExtended {
+    fn fmt(&self, f: &mut fmt::Formatter) -> fmt::Result {
+        writeln!(f)?;
+        writeln!(
+            f,
+            "Extended Program Id {} by {} bytes",
+            &self.program_id, self.additional_bytes,
+        )?;
+        Ok(())
+    }
+}
+
 #[derive(Clone, Serialize, Deserialize)]
 #[serde(rename_all = "camelCase")]
 pub struct CliUpgradeableBuffer {

cli/src/program.rs

@@ -17,7 +17,7 @@ use {
     solana_cli_output::{
         CliProgram, CliProgramAccountType, CliProgramAuthority, CliProgramBuffer, CliProgramId,
         CliUpgradeableBuffer, CliUpgradeableBuffers, CliUpgradeableProgram,
-        CliUpgradeableProgramClosed, CliUpgradeablePrograms,
+        CliUpgradeableProgramClosed, CliUpgradeableProgramExtended, CliUpgradeablePrograms,
     },
     solana_client::{
         connection_cache::ConnectionCache,
@@ -124,6 +124,10 @@ pub enum ProgramCliCommand {
         use_lamports_unit: bool,
         bypass_warning: bool,
     },
+    ExtendProgram {
+        program_pubkey: Pubkey,
+        additional_bytes: u32,
+    },
 }
 
 pub trait ProgramSubCommands {
@@ -417,6 +421,28 @@ impl ProgramSubCommands for App<'_, '_> {
                                 .help("Bypass the permanent program closure warning"),
                         ),
                 )
+                .subcommand(
+                    SubCommand::with_name("extend")
+                        .about("Extend the length of an upgradeable program to deploy larger programs")
+                        .arg(
+                            Arg::with_name("program_id")
+                                .index(1)
+                                .value_name("PROGRAM_ID")
+                                .takes_value(true)
+                                .required(true)
+                                .validator(is_valid_pubkey)
+                                .help("Address of the program to extend"),
+                        )
+                        .arg(
+                            Arg::with_name("additional_bytes")
+                                .index(2)
+                                .value_name("ADDITIONAL_BYTES")
+                                .takes_value(true)
+                                .required(true)
+                                .validator(is_parsable::<u32>)
+                                .help("Number of bytes that will be allocated for the program's data account")
+                        )
+                )
         )
         .subcommand(
             SubCommand::with_name("deploy")
@@ -675,6 +701,26 @@ pub fn parse_program_subcommand(
                 signers: signer_info.signers,
             }
         }
+        ("extend", Some(matches)) => {
+            let program_pubkey = pubkey_of(matches, "program_id").unwrap();
+            let additional_bytes = value_of(matches, "additional_bytes").unwrap();
+
+            let signer_info = default_signer.generate_unique_signers(
+                vec![Some(
+                    default_signer.signer_from_path(matches, wallet_manager)?,
+                )],
+                matches,
+                wallet_manager,
+            )?;
+
+            CliCommandInfo {
+                command: CliCommand::Program(ProgramCliCommand::ExtendProgram {
+                    program_pubkey,
+                    additional_bytes,
+                }),
+                signers: signer_info.signers,
+            }
+        }
         _ => unreachable!(),
     };
     Ok(response)
@@ -799,6 +845,10 @@ pub fn process_program_subcommand(
             *use_lamports_unit,
             *bypass_warning,
         ),
+        ProgramCliCommand::ExtendProgram {
+            program_pubkey,
+            additional_bytes,
+        } => process_extend_program(&rpc_client, config, *program_pubkey, *additional_bytes),
     }
 }
 
@@ -1716,6 +1766,96 @@ fn process_close(
     }
 }
 
+fn process_extend_program(
+    rpc_client: &RpcClient,
+    config: &CliConfig,
+    program_pubkey: Pubkey,
+    additional_bytes: u32,
+) -> ProcessResult {
+    let payer_pubkey = config.signers[0].pubkey();
+
+    let program_account = match rpc_client
+        .get_account_with_commitment(&program_pubkey, config.commitment)?
+        .value
+    {
+        Some(program_account) => Ok(program_account),
+        None => Err(format!("Unable to find program {program_pubkey}")),
+    }?;
+
+    if !bpf_loader_upgradeable::check_id(&program_account.owner) {
+        return Err(format!("Account {program_pubkey} is not an upgradeable program").into());
+    }
+
+    let programdata_pubkey = match program_account.state() {
+        Ok(UpgradeableLoaderState::Program {
+            programdata_address: programdata_pubkey,
+        }) => Ok(programdata_pubkey),
+        _ => Err(format!(
+            "Account {program_pubkey} is not an upgradeable program"
+        )),
+    }?;
+
+    let programdata_account = match rpc_client
+        .get_account_with_commitment(&programdata_pubkey, config.commitment)?
+        .value
+    {
+        Some(programdata_account) => Ok(programdata_account),
+        None => Err(format!("Program {program_pubkey} is closed")),
+    }?;
+
+    let upgrade_authority_address = match programdata_account.state() {
+        Ok(UpgradeableLoaderState::ProgramData {
+            slot: _,
+            upgrade_authority_address,
+        }) => Ok(upgrade_authority_address),
+        _ => Err(format!("Program {program_pubkey} is closed")),
+    }?;
+
+    match upgrade_authority_address {
+        None => Err(format!("Program {program_pubkey} is not upgradeable")),
+        _ => Ok(()),
+    }?;
+
+    let blockhash = rpc_client.get_latest_blockhash()?;
+
+    let mut tx = Transaction::new_unsigned(Message::new(
+        &[bpf_loader_upgradeable::extend_program(
+            &program_pubkey,
+            Some(&payer_pubkey),
+            additional_bytes.into(),
+        )],
+        Some(&payer_pubkey),
+    ));
+
+    tx.try_sign(&[config.signers[0]], blockhash)?;
+    let result = rpc_client.send_and_confirm_transaction_with_spinner_and_config(
+        &tx,
+        config.commitment,
+        RpcSendTransactionConfig {
+            preflight_commitment: Some(config.commitment.commitment),
+            ..RpcSendTransactionConfig::default()
+        },
+    );
+    if let Err(err) = result {
+        if let ClientErrorKind::TransactionError(TransactionError::InstructionError(
+            _,
+            InstructionError::InvalidInstructionData,
+        )) = err.kind()
+        {
+            return Err("Extending a program is not supported by the cluster".into());
+        } else {
+            return Err(format!("Extend program failed: {err}").into());
+        }
+    }
+
+    Ok(config
+        .output_format
+        .formatted_string(&CliUpgradeableProgramExtended {
+            program_id: program_pubkey.to_string(),
+            additional_bytes: additional_bytes.into(),
+        }))
+}
+
 pub fn calculate_max_chunk_size<F>(create_msg: &F) -> usize
 where
     F: Fn(u32, Vec<u8>) -> Message,

cli/tests/program.rs

@@ -726,6 +726,90 @@ fn test_cli_program_close_program() {
     assert_eq!(programdata_lamports, recipient_account.lamports);
 }
 
+#[test]
+fn test_cli_program_extend_program() {
+    solana_logger::setup();
+
+    let mut noop_path = PathBuf::from(env!("CARGO_MANIFEST_DIR"));
+    noop_path.push("tests");
+    noop_path.push("fixtures");
+    noop_path.push("noop");
+    noop_path.set_extension("so");
+
+    let mint_keypair = Keypair::new();
+    let mint_pubkey = mint_keypair.pubkey();
+    let faucet_addr = run_local_faucet(mint_keypair, None);
+    let test_validator =
+        TestValidator::with_no_fees(mint_pubkey, Some(faucet_addr), SocketAddrSpace::Unspecified);
+
+    let rpc_client =
+        RpcClient::new_with_commitment(test_validator.rpc_url(), CommitmentConfig::processed());
+
+    let mut file = File::open(noop_path.to_str().unwrap()).unwrap();
+    let mut program_data = Vec::new();
+    file.read_to_end(&mut program_data).unwrap();
+    let max_len = program_data.len();
+    let minimum_balance_for_programdata = rpc_client
+        .get_minimum_balance_for_rent_exemption(UpgradeableLoaderState::size_of_programdata(
+            max_len,
+        ))
+        .unwrap();
+    let minimum_balance_for_program = rpc_client
+        .get_minimum_balance_for_rent_exemption(UpgradeableLoaderState::size_of_program())
+        .unwrap();
+    let upgrade_authority = Keypair::new();
+
+    let mut config = CliConfig::recent_for_tests();
+    let keypair = Keypair::new();
+    config.json_rpc_url = test_validator.rpc_url();
+    config.signers = vec![&keypair];
+    config.command = CliCommand::Airdrop {
+        pubkey: None,
+        lamports: 100 * minimum_balance_for_programdata + minimum_balance_for_program,
+    };
+    process_command(&config).unwrap();
+
+    // Deploy the upgradeable program
+    let program_keypair = Keypair::new();
+    config.signers = vec![&keypair, &upgrade_authority, &program_keypair];
+    config.command = CliCommand::Program(ProgramCliCommand::Deploy {
+        program_location: Some(noop_path.to_str().unwrap().to_string()),
+        program_signer_index: Some(2),
+        program_pubkey: Some(program_keypair.pubkey()),
+        buffer_signer_index: None,
+        buffer_pubkey: None,
+        allow_excessive_balance: false,
+        upgrade_authority_signer_index: 1,
+        is_final: false,
+        max_len: Some(max_len),
+        skip_fee_check: false,
+    });
+    config.output_format = OutputFormat::JsonCompact;
+    process_command(&config).unwrap();
+
+    let (programdata_pubkey, _) = Pubkey::find_program_address(
+        &[program_keypair.pubkey().as_ref()],
+        &bpf_loader_upgradeable::id(),
+    );
+
+    // Wait one slot to avoid "Program was deployed in this block already" error
+    wait_n_slots(&rpc_client, 1);
+
+    // Extend program
+    let additional_bytes = 100;
+    config.signers = vec![&keypair];
+    config.command = CliCommand::Program(ProgramCliCommand::ExtendProgram {
+        program_pubkey: program_keypair.pubkey(),
+        additional_bytes,
+    });
+    process_command(&config).unwrap();
+
+    let programdata_account = rpc_client.get_account(&programdata_pubkey).unwrap();
+    let expected_len =
+        UpgradeableLoaderState::size_of_programdata(max_len + additional_bytes as usize);
+    assert_eq!(expected_len, programdata_account.data.len());
+}
+
 #[test]
 fn test_cli_program_write_buffer() {
     solana_logger::setup();