Struct ValidationContext 

pub struct ValidationContext<'a> {
    pub program_id: &'a Address,
    pub accounts: &'a [AccountView],
    pub data: &'a [u8],
}

Context passed to each validation node.

Fields

program_id: &'a Address

The program ID.

accounts: &'a [AccountView]

All accounts in the instruction.

data: &'a [u8]

Instruction data.

Implementations

impl<'a> ValidationContext<'a>

pub fn new( program_id: &'a Address, accounts: &'a [AccountView], data: &'a [u8], ) -> Self

Create a new validation context.

pub fn account(&self, index: usize) -> Result<&'a AccountView, ProgramError>

Get an account by index.

pub fn require_all_unique_accounts(&self) -> ProgramResult

Require all account addresses to be unique.

pub fn require_unique_writable_accounts(&self) -> ProgramResult

Require that duplicated addresses are never writable aliases.

pub fn require_unique_signer_accounts(&self) -> ProgramResult

Require that duplicated addresses are never used as signer aliases.