Struct TransactionConstraint 

pub struct TransactionConstraint { /* private fields */ }

Transaction-level constraint that validates global properties.

Implementations

impl TransactionConstraint

pub const fn new() -> Self

Create a new transaction constraint.

pub const fn min_accounts(self, n: usize) -> Self

Require at least N accounts.

pub const fn min_data(self, n: usize) -> Self

Require at least N bytes of instruction data.

pub const fn all_unique(self) -> Self

Require that all account addresses are distinct.

pub const fn unique_writable(self) -> Self

Require that duplicated addresses are never writable aliases.

pub const fn unique_signers(self) -> Self

Require that duplicated addresses are never signer aliases.

pub fn validate(&self, ctx: &ValidationContext<'_>) -> ProgramResult

Validate against a context.

Trait Implementations

impl Default for TransactionConstraint

fn default() -> Self

Returns the “default value” for a type.

impl Validatable for TransactionConstraint

fn validate(&self, ctx: &ValidationContext<'_>) -> ProgramResult

Run validation against the given context.