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More object-oriented version of Vest (#6310)

This commit is contained in:
Greg Fitzgerald 2019-10-10 08:54:18 -06:00 committed by GitHub
parent eca56eb87d
commit 10cf728e11
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1 changed files with 53 additions and 53 deletions
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96
programs/vest_api/src/vest_processor.rs
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@ -14,7 +14,7 @@ use solana_sdk::{
pubkey::Pubkey, pubkey::Pubkey,
}; };
fn parse_date_account( fn verify_date_account(
keyed_account: &mut KeyedAccount, keyed_account: &mut KeyedAccount,
expected_pubkey: &Pubkey, expected_pubkey: &Pubkey,
) -> Result<Date<Utc>, InstructionError> { ) -> Result<Date<Utc>, InstructionError> {
@ -22,7 +22,7 @@ fn parse_date_account(
return Err(InstructionError::IncorrectProgramId); return Err(InstructionError::IncorrectProgramId);
} }
let account = parse_account(keyed_account, expected_pubkey)?; let account = verify_account(keyed_account, expected_pubkey)?;
let config_data = let config_data =
get_config_data(&account.data).map_err(|_| InstructionError::InvalidAccountData)?; get_config_data(&account.data).map_err(|_| InstructionError::InvalidAccountData)?;
@ -32,7 +32,7 @@ fn parse_date_account(
Ok(date_config.date_time.date()) Ok(date_config.date_time.date())
} }
fn parse_account<'a>( fn verify_account<'a>(
keyed_account: &'a mut KeyedAccount, keyed_account: &'a mut KeyedAccount,
expected_pubkey: &Pubkey, expected_pubkey: &Pubkey,
) -> Result<&'a mut Account, InstructionError> { ) -> Result<&'a mut Account, InstructionError> {
@ -43,7 +43,7 @@ fn parse_account<'a>(
Ok(keyed_account.account) Ok(keyed_account.account)
} }
fn parse_signed_account<'a>( fn verify_signed_account<'a>(
keyed_account: &'a mut KeyedAccount, keyed_account: &'a mut KeyedAccount,
expected_pubkey: &Pubkey, expected_pubkey: &Pubkey,
) -> Result<&'a mut Account, InstructionError> { ) -> Result<&'a mut Account, InstructionError> {
@ -51,7 +51,7 @@ fn parse_signed_account<'a>(
return Err(InstructionError::MissingRequiredSignature); return Err(InstructionError::MissingRequiredSignature);
} }
parse_account(keyed_account, expected_pubkey) verify_account(keyed_account, expected_pubkey)
} }
pub fn process_instruction( pub fn process_instruction(
@ -60,67 +60,67 @@ pub fn process_instruction(
data: &[u8], data: &[u8],
) -> Result<(), InstructionError> { ) -> Result<(), InstructionError> {
let keyed_accounts_iter = &mut keyed_accounts.iter_mut(); let keyed_accounts_iter = &mut keyed_accounts.iter_mut();
let contract_account = &mut next_keyed_account(keyed_accounts_iter)?.account;
let instruction = deserialize(data).map_err(|_| InstructionError::InvalidInstructionData)?; let instruction = deserialize(data).map_err(|_| InstructionError::InvalidInstructionData)?;
match instruction { let mut vest_state = if let VestInstruction::InitializeAccount {
VestInstruction::InitializeAccount {
terminator_pubkey, terminator_pubkey,
payee_pubkey, payee_pubkey,
start_date_time, start_date_time,
date_pubkey, date_pubkey,
total_lamports, total_lamports,
} => { } = instruction
let contract_keyed_account = next_keyed_account(keyed_accounts_iter)?; {
let contract_account = &mut contract_keyed_account.account; VestState {
let vest_state = VestState {
terminator_pubkey, terminator_pubkey,
payee_pubkey, payee_pubkey,
start_date_time, start_date_time,
date_pubkey, date_pubkey,
total_lamports, total_lamports,
redeemed_lamports: 0, redeemed_lamports: 0,
};
vest_state.serialize(&mut contract_account.data)
} }
} else {
VestState::deserialize(&contract_account.data)?
};
match instruction {
VestInstruction::InitializeAccount { .. } => {}
VestInstruction::SetPayee(payee_pubkey) => { VestInstruction::SetPayee(payee_pubkey) => {
let contract_keyed_account = next_keyed_account(keyed_accounts_iter)?; verify_signed_account(
let old_payee_keyed_account = next_keyed_account(keyed_accounts_iter)?; next_keyed_account(keyed_accounts_iter)?,
let contract_account = &mut contract_keyed_account.account; &vest_state.payee_pubkey,
let mut vest_state = VestState::deserialize(&contract_account.data)?; )?;
parse_signed_account(old_payee_keyed_account, &vest_state.payee_pubkey)?;
vest_state.payee_pubkey = payee_pubkey; vest_state.payee_pubkey = payee_pubkey;
vest_state.serialize(&mut contract_account.data)
} }
VestInstruction::RedeemTokens => { VestInstruction::RedeemTokens => {
let contract_keyed_account = next_keyed_account(keyed_accounts_iter)?; let current_date = verify_date_account(
let date_keyed_account = next_keyed_account(keyed_accounts_iter)?; next_keyed_account(keyed_accounts_iter)?,
let payee_keyed_account = next_keyed_account(keyed_accounts_iter)?; &vest_state.date_pubkey,
let contract_account = &mut contract_keyed_account.account; )?;
let mut vest_state = VestState::deserialize(&contract_account.data)?; let payee_account = verify_account(
let current_date = parse_date_account(date_keyed_account, &vest_state.date_pubkey)?; next_keyed_account(keyed_accounts_iter)?,
let payee_account = parse_account(payee_keyed_account, &vest_state.payee_pubkey)?; &vest_state.payee_pubkey,
)?;
vest_state.redeem_tokens(contract_account, current_date, payee_account); vest_state.redeem_tokens(contract_account, current_date, payee_account);
vest_state.serialize(&mut contract_account.data)
} }
VestInstruction::Terminate => { VestInstruction::Terminate => {
let contract_keyed_account = next_keyed_account(keyed_accounts_iter)?; let terminator_account = verify_signed_account(
let terminator_keyed_account = next_keyed_account(keyed_accounts_iter)?; next_keyed_account(keyed_accounts_iter)?,
&vest_state.terminator_pubkey,
)?;
let payee_keyed_account = keyed_accounts_iter.next(); let payee_keyed_account = keyed_accounts_iter.next();
let contract_account = &mut contract_keyed_account.account;
let mut vest_state = VestState::deserialize(&contract_account.data)?;
let terminator_account =
parse_signed_account(terminator_keyed_account, &vest_state.terminator_pubkey)?;
let payee_account = if let Some(payee_keyed_account) = payee_keyed_account { let payee_account = if let Some(payee_keyed_account) = payee_keyed_account {
&mut payee_keyed_account.account &mut payee_keyed_account.account
} else { } else {
terminator_account terminator_account
}; };
vest_state.terminate(contract_account, payee_account); vest_state.terminate(contract_account, payee_account);
}
}
vest_state.serialize(&mut contract_account.data) vest_state.serialize(&mut contract_account.data)
} }
}
}
#[cfg(test)] #[cfg(test)]
mod tests { mod tests {
@ -233,7 +233,7 @@ mod tests {
} }
#[test] #[test]
fn test_parse_account_unauthorized() { fn test_verify_account_unauthorized() {
// Ensure client can't sneak in with an untrusted date account. // Ensure client can't sneak in with an untrusted date account.
let date_pubkey = Pubkey::new_rand(); let date_pubkey = Pubkey::new_rand();
let mut account = Account::new(1, 0, &solana_config_api::id()); let mut account = Account::new(1, 0, &solana_config_api::id());
@ -241,68 +241,68 @@ mod tests {
let mallory_pubkey = Pubkey::new_rand(); // <-- Attack! Not the expected account. let mallory_pubkey = Pubkey::new_rand(); // <-- Attack! Not the expected account.
assert_eq!( assert_eq!(
parse_account(&mut keyed_account, &mallory_pubkey).unwrap_err(), verify_account(&mut keyed_account, &mallory_pubkey).unwrap_err(),
VestError::Unauthorized.into() VestError::Unauthorized.into()
); );
} }
#[test] #[test]
fn test_parse_signed_account_missing_signature() { fn test_verify_signed_account_missing_signature() {
// Ensure client can't sneak in with an unsigned account. // Ensure client can't sneak in with an unsigned account.
let date_pubkey = Pubkey::new_rand(); let date_pubkey = Pubkey::new_rand();
let mut account = Account::new(1, 0, &solana_config_api::id()); let mut account = Account::new(1, 0, &solana_config_api::id());
let mut keyed_account = KeyedAccount::new(&date_pubkey, false, &mut account); // <-- Attack! Unsigned transaction. let mut keyed_account = KeyedAccount::new(&date_pubkey, false, &mut account); // <-- Attack! Unsigned transaction.
assert_eq!( assert_eq!(
parse_signed_account(&mut keyed_account, &date_pubkey).unwrap_err(), verify_signed_account(&mut keyed_account, &date_pubkey).unwrap_err(),
InstructionError::MissingRequiredSignature.into() InstructionError::MissingRequiredSignature.into()
); );
} }
#[test] #[test]
fn test_parse_date_account_incorrect_program_id() { fn test_verify_date_account_incorrect_program_id() {
// Ensure client can't sneak in with a non-Config account. // Ensure client can't sneak in with a non-Config account.
let date_pubkey = Pubkey::new_rand(); let date_pubkey = Pubkey::new_rand();
let mut account = Account::new(1, 0, &id()); // <-- Attack! Pass Vest account where Config account is expected. let mut account = Account::new(1, 0, &id()); // <-- Attack! Pass Vest account where Config account is expected.
let mut keyed_account = KeyedAccount::new(&date_pubkey, false, &mut account); let mut keyed_account = KeyedAccount::new(&date_pubkey, false, &mut account);
assert_eq!( assert_eq!(
parse_date_account(&mut keyed_account, &date_pubkey).unwrap_err(), verify_date_account(&mut keyed_account, &date_pubkey).unwrap_err(),
InstructionError::IncorrectProgramId InstructionError::IncorrectProgramId
); );
} }
#[test] #[test]
fn test_parse_date_account_uninitialized_config() { fn test_verify_date_account_uninitialized_config() {
// Ensure no panic when `get_config_data()` returns an error. // Ensure no panic when `get_config_data()` returns an error.
let date_pubkey = Pubkey::new_rand(); let date_pubkey = Pubkey::new_rand();
let mut account = Account::new(1, 0, &solana_config_api::id()); // <-- Attack! Zero space. let mut account = Account::new(1, 0, &solana_config_api::id()); // <-- Attack! Zero space.
let mut keyed_account = KeyedAccount::new(&date_pubkey, false, &mut account); let mut keyed_account = KeyedAccount::new(&date_pubkey, false, &mut account);
assert_eq!( assert_eq!(
parse_date_account(&mut keyed_account, &date_pubkey).unwrap_err(), verify_date_account(&mut keyed_account, &date_pubkey).unwrap_err(),
InstructionError::InvalidAccountData InstructionError::InvalidAccountData
); );
} }
#[test] #[test]
fn test_parse_date_account_invalid_date_config() { fn test_verify_date_account_invalid_date_config() {
// Ensure no panic when `deserialize::<DateConfig>()` returns an error. // Ensure no panic when `deserialize::<DateConfig>()` returns an error.
let date_pubkey = Pubkey::new_rand(); let date_pubkey = Pubkey::new_rand();
let mut account = Account::new(1, 1, &solana_config_api::id()); // Attack! 1 byte, enough to sneak by `get_config_data()`, but not DateConfig deserialize. let mut account = Account::new(1, 1, &solana_config_api::id()); // Attack! 1 byte, enough to sneak by `get_config_data()`, but not DateConfig deserialize.
let mut keyed_account = KeyedAccount::new(&date_pubkey, false, &mut account); let mut keyed_account = KeyedAccount::new(&date_pubkey, false, &mut account);
assert_eq!( assert_eq!(
parse_date_account(&mut keyed_account, &date_pubkey).unwrap_err(), verify_date_account(&mut keyed_account, &date_pubkey).unwrap_err(),
InstructionError::InvalidAccountData InstructionError::InvalidAccountData
); );
} }
#[test] #[test]
fn test_parse_date_account_deserialize() { fn test_verify_date_account_deserialize() {
// Ensure no panic when `deserialize::<DateConfig>()` returns an error. // Ensure no panic when `deserialize::<DateConfig>()` returns an error.
let date_pubkey = Pubkey::new_rand(); let date_pubkey = Pubkey::new_rand();
let mut account = Account::new(1, 1, &solana_config_api::id()); // Attack! 1 byte, enough to sneak by `get_config_data()`, but not DateConfig deserialize. let mut account = Account::new(1, 1, &solana_config_api::id()); // Attack! 1 byte, enough to sneak by `get_config_data()`, but not DateConfig deserialize.
let mut keyed_account = KeyedAccount::new(&date_pubkey, false, &mut account); let mut keyed_account = KeyedAccount::new(&date_pubkey, false, &mut account);
assert_eq!( assert_eq!(
parse_date_account(&mut keyed_account, &date_pubkey).unwrap_err(), verify_date_account(&mut keyed_account, &date_pubkey).unwrap_err(),
InstructionError::InvalidAccountData InstructionError::InvalidAccountData
); );
} }