Struct solana_sdk::account_info::AccountInfo

pub struct AccountInfo<'a> {
    pub key: &'a Pubkey,
    pub is_signer: bool,
    pub is_writable: bool,
    pub lamports: Rc<RefCell<&'a mut u64>>,
    pub data: Rc<RefCell<&'a mut [u8]>>,
    pub owner: &'a Pubkey,
    pub executable: bool,
    pub rent_epoch: Epoch,
}

Account information

Fields

key: &'a Pubkey

Public key of the account

is_signer: bool

is_writable: bool

lamports: Rc<RefCell<&'a mut u64>>

Account members that are mutable by the program

data: Rc<RefCell<&'a mut [u8]>>

Account members that are mutable by the program

owner: &'a Pubkey

Program that owns this account

executable: bool

This account's data contains a loaded program (and is now read-only)

rent_epoch: Epoch

The epoch at which this account will next owe rent

Methods

impl<'a> AccountInfo<'a>

pub fn signer_key(&self) -> Option<&Pubkey>

pub fn unsigned_key(&self) -> &Pubkey

pub fn lamports(&self) -> u64

pub fn try_lamports(&self) -> Result<u64, ProgramError>

pub fn data_len(&self) -> usize

pub fn try_data_len(&self) -> Result<usize, ProgramError>

pub fn data_is_empty(&self) -> bool

pub fn try_data_is_empty(&self) -> Result<bool, ProgramError>

pub fn try_borrow_lamports(&self) -> Result<Ref<&mut u64>, ProgramError>

pub fn try_borrow_mut_lamports(
    &self
) -> Result<RefMut<&'a mut u64>, ProgramError>

pub fn try_borrow_data(&self) -> Result<Ref<&mut [u8]>, ProgramError>

pub fn try_borrow_mut_data(&self) -> Result<RefMut<&'a mut [u8]>, ProgramError>

pub fn new(
    key: &'a Pubkey,
    is_signer: bool,
    is_writable: bool,
    lamports: &'a mut u64,
    data: &'a mut [u8],
    owner: &'a Pubkey,
    executable: bool,
    rent_epoch: Epoch
) -> Self

pub fn deserialize_data<T: DeserializeOwned>(&self) -> Result<T, Error>

pub fn serialize_data<T: Serialize>(&mut self, state: &T) -> Result<(), Error>

Trait Implementations

impl<'a> Clone for AccountInfo<'a>

fn clone(&self) -> AccountInfo<'a>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<'a> Debug for AccountInfo<'a>

fn fmt(&self, f: &mut Formatter) -> Result

Formats the value using the given formatter.

impl<'a> From<&'a mut (Pubkey, Account)> for AccountInfo<'a>

fn from((key, account): &'a mut (Pubkey, Account)) -> Self

Performs the conversion.

impl<'a> From<(&'a Pubkey, &'a mut Account)> for AccountInfo<'a>

fn from((key, account): (&'a Pubkey, &'a mut Account)) -> Self

Performs the conversion.

impl<'a> From<(&'a Pubkey, bool, &'a mut Account)> for AccountInfo<'a>

fn from((key, is_signer, account): (&'a Pubkey, bool, &'a mut Account)) -> Self

Performs the conversion.