tests: Mollusk StakeLifecycle, Deactivate tests (2/9)

program/Cargo.toml

@@ -45,6 +45,7 @@ solana-system-interface = { version = "2.0.0", features = ["bincode"] }
 solana-sysvar-id = "3.0.0"
 solana-transaction = "3.0.0"
 test-case = "3.3.1"
+tokio = "1"
 
 [lib]
 crate-type = ["cdylib", "lib"]

program/tests/deactivate.rs

@@ -0,0 +1,115 @@
+#![allow(clippy::arithmetic_side_effects)]
+
+mod helpers;
+
+use {
+    helpers::{
+        context::StakeTestContext,
+        instruction_builders::{DeactivateConfig, DelegateConfig},
+        lifecycle::StakeLifecycle,
+        utils::parse_stake_account,
+    },
+    mollusk_svm::result::Check,
+    solana_program_error::ProgramError,
+    solana_stake_interface::{error::StakeError, state::StakeStateV2},
+    solana_stake_program::id,
+    test_case::test_case,
+};
+
+#[test_case(false; "activating")]
+#[test_case(true; "active")]
+fn test_deactivate(activate: bool) {
+    let mut ctx = StakeTestContext::with_delegation();
+    let min_delegation = ctx.minimum_delegation.unwrap();
+
+    let (stake, mut stake_account) = ctx
+        .stake_account(StakeLifecycle::Initialized)
+        .staked_amount(min_delegation)
+        .build();
+
+    // Deactivating an undelegated account fails
+    ctx.process_with(DeactivateConfig {
+        stake: (&stake, &stake_account),
+        override_signer: None,
+    })
+    .checks(&[Check::err(ProgramError::InvalidAccountData)])
+    .test_missing_signers(false)
+    .execute();
+
+    // Delegate
+    let result = ctx
+        .process_with(DelegateConfig {
+            stake: (&stake, &stake_account),
+            vote: (
+                ctx.vote_account.as_ref().unwrap(),
+                ctx.vote_account_data.as_ref().unwrap(),
+            ),
+        })
+        .execute();
+    stake_account = result.resulting_accounts[0].1.clone().into();
+
+    if activate {
+        // Advance epoch to activate
+        let current_slot = ctx.mollusk.sysvars.clock.slot;
+        let slots_per_epoch = ctx.mollusk.sysvars.epoch_schedule.slots_per_epoch;
+        ctx.mollusk.warp_to_slot(current_slot + slots_per_epoch);
+    }
+
+    // Deactivate with withdrawer fails
+    ctx.process_with(DeactivateConfig {
+        stake: (&stake, &stake_account),
+        override_signer: Some(&ctx.withdrawer),
+    })
+    .checks(&[Check::err(ProgramError::MissingRequiredSignature)])
+    .test_missing_signers(false)
+    .execute();
+
+    // Deactivate succeeds
+    let result = ctx
+        .process_with(DeactivateConfig {
+            stake: (&stake, &stake_account),
+            override_signer: None,
+        })
+        .checks(&[
+            Check::success(),
+            Check::all_rent_exempt(),
+            Check::account(&stake)
+                .lamports(ctx.rent_exempt_reserve + min_delegation)
+                .owner(&id())
+                .space(StakeStateV2::size_of())
+                .build(),
+        ])
+        .test_missing_signers(true)
+        .execute();
+    stake_account = result.resulting_accounts[0].1.clone().into();
+
+    let clock = ctx.mollusk.sysvars.clock.clone();
+    let (_, stake_data, _) = parse_stake_account(&stake_account);
+    assert_eq!(
+        stake_data.unwrap().delegation.deactivation_epoch,
+        clock.epoch
+    );
+
+    // Deactivate again fails
+    ctx.process_with(DeactivateConfig {
+        stake: (&stake, &stake_account),
+        override_signer: None,
+    })
+    .checks(&[Check::err(StakeError::AlreadyDeactivated.into())])
+    .test_missing_signers(false)
+    .execute();
+
+    // Advance epoch
+    let current_slot = ctx.mollusk.sysvars.clock.slot;
+    let slots_per_epoch = ctx.mollusk.sysvars.epoch_schedule.slots_per_epoch;
+    ctx.mollusk.warp_to_slot(current_slot + slots_per_epoch);
+
+    // Deactivate again still fails
+    ctx.process_with(DeactivateConfig {
+        stake: (&stake, &stake_account),
+        override_signer: None,
+    })
+    .checks(&[Check::err(StakeError::AlreadyDeactivated.into())])
+    .test_missing_signers(false)
+    .execute();
+}

program/tests/helpers/context.rs

@@ -0,0 +1,222 @@
+use {
+    super::{
+        instruction_builders::{InstructionConfig, InstructionExecution},
+        lifecycle::StakeLifecycle,
+        utils::{add_sysvars, create_vote_account, STAKE_RENT_EXEMPTION},
+    },
+    mollusk_svm::{result::Check, Mollusk},
+    solana_account::AccountSharedData,
+    solana_instruction::Instruction,
+    solana_pubkey::Pubkey,
+    solana_stake_interface::state::Lockup,
+    solana_stake_program::id,
+};
+
+/// Builder for creating stake accounts with customizable parameters
+pub struct StakeAccountBuilder<'a> {
+    ctx: &'a mut StakeTestContext,
+    lifecycle: StakeLifecycle,
+    staked_amount: u64,
+    stake_authority: Option<Pubkey>,
+    withdraw_authority: Option<Pubkey>,
+    lockup: Option<Lockup>,
+    vote_account: Option<Pubkey>,
+    stake_pubkey: Option<Pubkey>,
+}
+
+impl StakeAccountBuilder<'_> {
+    /// Set the staked amount (lamports delegated to validator)
+    pub fn staked_amount(mut self, amount: u64) -> Self {
+        self.staked_amount = amount;
+        self
+    }
+
+    /// Set a custom stake authority (defaults to ctx.staker)
+    pub fn stake_authority(mut self, authority: &Pubkey) -> Self {
+        self.stake_authority = Some(*authority);
+        self
+    }
+
+    /// Set a custom withdraw authority (defaults to ctx.withdrawer)
+    pub fn withdraw_authority(mut self, authority: &Pubkey) -> Self {
+        self.withdraw_authority = Some(*authority);
+        self
+    }
+
+    /// Set a custom lockup (defaults to Lockup::default())
+    pub fn lockup(mut self, lockup: &Lockup) -> Self {
+        self.lockup = Some(*lockup);
+        self
+    }
+
+    /// Set a custom vote account (defaults to ctx.vote_account)
+    pub fn vote_account(mut self, vote_account: &Pubkey) -> Self {
+        self.vote_account = Some(*vote_account);
+        self
+    }
+
+    /// Set a specific stake account pubkey (defaults to Pubkey::new_unique())
+    pub fn stake_pubkey(mut self, pubkey: &Pubkey) -> Self {
+        self.stake_pubkey = Some(*pubkey);
+        self
+    }
+
+    /// Build the stake account and return (pubkey, account_data)
+    pub fn build(self) -> (Pubkey, AccountSharedData) {
+        let stake_pubkey = self.stake_pubkey.unwrap_or_else(Pubkey::new_unique);
+        let account = self.lifecycle.create_stake_account_fully_specified(
+            &mut self.ctx.mollusk,
+            &stake_pubkey,
+            self.vote_account.as_ref().unwrap_or(
+                self.ctx
+                    .vote_account
+                    .as_ref()
+                    .expect("vote_account required for this lifecycle"),
+            ),
+            self.staked_amount,
+            self.stake_authority.as_ref().unwrap_or(&self.ctx.staker),
+            self.withdraw_authority
+                .as_ref()
+                .unwrap_or(&self.ctx.withdrawer),
+            self.lockup.as_ref().unwrap_or(&Lockup::default()),
+        );
+        (stake_pubkey, account)
+    }
+}
+
+pub struct StakeTestContext {
+    pub mollusk: Mollusk,
+    pub rent_exempt_reserve: u64,
+    pub staker: Pubkey,
+    pub withdrawer: Pubkey,
+    pub minimum_delegation: Option<u64>,
+    pub vote_account: Option<Pubkey>,
+    pub vote_account_data: Option<AccountSharedData>,
+}
+
+impl StakeTestContext {
+    pub fn minimal() -> Self {
+        let mollusk = Mollusk::new(&id(), "solana_stake_program");
+        Self {
+            mollusk,
+            rent_exempt_reserve: STAKE_RENT_EXEMPTION,
+            staker: Pubkey::new_unique(),
+            withdrawer: Pubkey::new_unique(),
+            minimum_delegation: None,
+            vote_account: None,
+            vote_account_data: None,
+        }
+    }
+
+    pub fn with_delegation() -> Self {
+        let mollusk = Mollusk::new(&id(), "solana_stake_program");
+        let minimum_delegation = solana_stake_program::get_minimum_delegation();
+        Self {
+            mollusk,
+            rent_exempt_reserve: STAKE_RENT_EXEMPTION,
+            staker: Pubkey::new_unique(),
+            withdrawer: Pubkey::new_unique(),
+            minimum_delegation: Some(minimum_delegation),
+            vote_account: Some(Pubkey::new_unique()),
+            vote_account_data: Some(create_vote_account()),
+        }
+    }
+
+    pub fn new() -> Self {
+        Self::with_delegation()
+    }
+
+    /// Create a stake account builder for the specified lifecycle stage
+    ///
+    /// Example:
+    /// ```
+    /// let (stake, account) = ctx
+    ///     .stake_account(StakeLifecycle::Active)
+    ///     .staked_amount(1_000_000)
+    ///     .build();
+    /// ```
+    pub fn stake_account(&mut self, lifecycle: StakeLifecycle) -> StakeAccountBuilder {
+        StakeAccountBuilder {
+            ctx: self,
+            lifecycle,
+            staked_amount: 0,
+            stake_authority: None,
+            withdraw_authority: None,
+            lockup: None,
+            vote_account: None,
+            stake_pubkey: None,
+        }
+    }
+
+    /// Create a lockup that expires in the future
+    pub fn create_future_lockup(&self, epochs_ahead: u64) -> Lockup {
+        Lockup {
+            unix_timestamp: 0,
+            epoch: self.mollusk.sysvars.clock.epoch + epochs_ahead,
+            custodian: Pubkey::new_unique(),
+        }
+    }
+
+    /// Create a lockup that's currently in force (far future)
+    pub fn create_in_force_lockup(&self) -> Lockup {
+        self.create_future_lockup(1_000_000)
+    }
+
+    /// Create a second vote account (for testing different vote accounts)
+    pub fn create_second_vote_account(&self) -> (Pubkey, AccountSharedData) {
+        (Pubkey::new_unique(), create_vote_account())
+    }
+
+    /// Process an instruction with a config-based approach
+    pub fn process_with<'b, C: InstructionConfig>(
+        &self,
+        config: C,
+    ) -> InstructionExecution<'_, 'b> {
+        InstructionExecution::new(
+            config.build_instruction(self),
+            config.build_accounts(),
+            self,
+        )
+    }
+
+    /// Process an instruction with optional missing signer testing
+    pub(crate) fn process_instruction_maybe_test_signers(
+        &self,
+        instruction: &Instruction,
+        accounts: Vec<(Pubkey, AccountSharedData)>,
+        checks: &[Check],
+        test_missing_signers: bool,
+    ) -> mollusk_svm::result::InstructionResult {
+        if test_missing_signers {
+            use solana_program_error::ProgramError;
+
+            // Test that removing each signer causes failure
+            for i in 0..instruction.accounts.len() {
+                if instruction.accounts[i].is_signer {
+                    let mut modified_instruction = instruction.clone();
+                    modified_instruction.accounts[i].is_signer = false;
+
+                    let accounts_with_sysvars =
+                        add_sysvars(&self.mollusk, &modified_instruction, accounts.clone());
+
+                    self.mollusk.process_and_validate_instruction(
+                        &modified_instruction,
+                        &accounts_with_sysvars,
+                        &[Check::err(ProgramError::MissingRequiredSignature)],
+                    );
+                }
+            }
+        }
+
+        // Process with all signers present
+        let accounts_with_sysvars = add_sysvars(&self.mollusk, instruction, accounts);
+        self.mollusk
+            .process_and_validate_instruction(instruction, &accounts_with_sysvars, checks)
+    }
+}
+
+impl Default for StakeTestContext {
+    fn default() -> Self {
+        Self::new()
+    }
+}