Trait StateView

pub trait StateView {
    // Required methods
    fn verifying_contract(&self) -> Cow<'_, AccountIdRef>;
    fn wnear_id(&self) -> Cow<'_, AccountIdRef>;
    fn fee(&self) -> Pips;
    fn fee_collector(&self) -> Cow<'_, AccountIdRef>;
    fn has_public_key(
        &self,
        account_id: &AccountIdRef,
        public_key: &PublicKey,
    ) -> bool;
    fn iter_public_keys(
        &self,
        account_id: &AccountIdRef,
    ) -> impl Iterator<Item = PublicKey> + '_;
    fn is_nonce_used(&self, account_id: &AccountIdRef, nonce: Nonce) -> bool;
    fn balance_of(&self, account_id: &AccountIdRef, token_id: &TokenId) -> u128;

    // Provided method
    fn cached(self) -> CachedState<Self>
       where Self: Sized { ... }
}

Required Methods

fn verifying_contract(&self) -> Cow<'_, AccountIdRef>

fn wnear_id(&self) -> Cow<'_, AccountIdRef>

fn fee(&self) -> Pips

fn fee_collector(&self) -> Cow<'_, AccountIdRef>

fn has_public_key( &self, account_id: &AccountIdRef, public_key: &PublicKey, ) -> bool

fn iter_public_keys( &self, account_id: &AccountIdRef, ) -> impl Iterator<Item = PublicKey> + '_

fn is_nonce_used(&self, account_id: &AccountIdRef, nonce: Nonce) -> bool

fn balance_of(&self, account_id: &AccountIdRef, token_id: &TokenId) -> u128

Provided Methods

fn cached(self) -> CachedState<Self>

where Self: Sized,

Dyn Compatibility

This trait is not dyn compatible.

In older versions of Rust, dyn compatibility was called "object safety", so this trait is not object safe.

Implementations on Foreign Types

impl<T: StateView + ?Sized> StateView for &T

fn verifying_contract(&self) -> Cow<'_, AccountIdRef>

fn wnear_id(&self) -> Cow<'_, AccountIdRef>

fn fee(&self) -> Pips

fn fee_collector(&self) -> Cow<'_, AccountIdRef>

fn has_public_key( &self, account_id: &AccountIdRef, public_key: &PublicKey, ) -> bool

fn iter_public_keys( &self, account_id: &AccountIdRef, ) -> impl Iterator<Item = PublicKey> + '_

fn is_nonce_used(&self, account_id: &AccountIdRef, nonce: Nonce) -> bool

fn balance_of(&self, account_id: &AccountIdRef, token_id: &TokenId) -> u128

impl<T: StateView + ?Sized> StateView for &mut T

fn verifying_contract(&self) -> Cow<'_, AccountIdRef>

fn wnear_id(&self) -> Cow<'_, AccountIdRef>

fn fee(&self) -> Pips

fn fee_collector(&self) -> Cow<'_, AccountIdRef>

fn has_public_key( &self, account_id: &AccountIdRef, public_key: &PublicKey, ) -> bool

fn iter_public_keys( &self, account_id: &AccountIdRef, ) -> impl Iterator<Item = PublicKey> + '_

fn is_nonce_used(&self, account_id: &AccountIdRef, nonce: Nonce) -> bool

fn balance_of(&self, account_id: &AccountIdRef, token_id: &TokenId) -> u128

impl<T: StateView + ?Sized> StateView for Box<T>

fn verifying_contract(&self) -> Cow<'_, AccountIdRef>

fn wnear_id(&self) -> Cow<'_, AccountIdRef>

fn fee(&self) -> Pips

fn fee_collector(&self) -> Cow<'_, AccountIdRef>

fn has_public_key( &self, account_id: &AccountIdRef, public_key: &PublicKey, ) -> bool

fn iter_public_keys( &self, account_id: &AccountIdRef, ) -> impl Iterator<Item = PublicKey> + '_

fn is_nonce_used(&self, account_id: &AccountIdRef, nonce: Nonce) -> bool

fn balance_of(&self, account_id: &AccountIdRef, token_id: &TokenId) -> u128

Implementors

impl<S> StateView for Deltas<S>

where S: StateView,

impl<W> StateView for CachedState<W>

where W: StateView,