Struct elrond_wasm::contract_base::BlockchainWrapper

pub struct BlockchainWrapper<A>where
    A: BlockchainApi + ManagedTypeApi + ErrorApi,{ /* private fields */ }

Interface to be used by the actual smart contract code.

Note: contracts and the api are not mutable. They simply pass on/retrieve data to/from the protocol. When mocking the blockchain state, we use the Rc/RefCell pattern to isolate mock state mutability from the contract interface.

Implementations

impl<A> BlockchainWrapper<A>where
    A: BlockchainApi + ManagedTypeApi + ErrorApi,

pub fn new() -> Self

pub fn get_caller(&self) -> ManagedAddress<A>

pub fn get_sc_address(&self) -> ManagedAddress<A>

pub fn get_owner_address(&self) -> ManagedAddress<A>

pub fn check_caller_is_owner(&self)

pub fn check_caller_is_user_account(&self)

pub fn get_shard_of_address(&self, address: &ManagedAddress<A>) -> u32

pub fn is_smart_contract(&self, address: &ManagedAddress<A>) -> bool

pub fn get_balance(&self, address: &ManagedAddress<A>) -> BigUint<A>

pub fn get_sc_balance(
    &self,
    token: &EgldOrEsdtTokenIdentifier<A>,
    nonce: u64
) -> BigUint<A>

pub fn get_state_root_hash(&self) -> ManagedByteArray<A, 32>

pub fn get_tx_hash(&self) -> ManagedByteArray<A, 32>

pub fn get_gas_left(&self) -> u64

pub fn get_block_timestamp(&self) -> u64

pub fn get_block_nonce(&self) -> u64

pub fn get_block_round(&self) -> u64

pub fn get_block_epoch(&self) -> u64

pub fn get_block_random_seed(&self) -> ManagedByteArray<A, 48>

pub fn get_prev_block_timestamp(&self) -> u64

pub fn get_prev_block_nonce(&self) -> u64

pub fn get_prev_block_round(&self) -> u64

pub fn get_prev_block_epoch(&self) -> u64

pub fn get_prev_block_random_seed(&self) -> ManagedByteArray<A, 48>

pub fn get_current_esdt_nft_nonce(
    &self,
    address: &ManagedAddress<A>,
    token_id: &TokenIdentifier<A>
) -> u64

pub fn get_esdt_balance(
    &self,
    address: &ManagedAddress<A>,
    token_id: &TokenIdentifier<A>,
    nonce: u64
) -> BigUint<A>

pub fn get_esdt_token_data(
    &self,
    address: &ManagedAddress<A>,
    token_id: &TokenIdentifier<A>,
    nonce: u64
) -> EsdtTokenData<A>

pub fn get_token_attributes<T: TopDecode>(
    &self,
    token_id: &TokenIdentifier<A>,
    token_nonce: u64
) -> T

Retrieves and deserializes token attributes from the SC account, with given token identifier and nonce.

pub fn is_esdt_frozen(
    &self,
    address: &ManagedAddress<A>,
    token_id: &TokenIdentifier<A>,
    nonce: u64
) -> bool

pub fn is_esdt_paused(&self, token_id: &TokenIdentifier<A>) -> bool

pub fn is_esdt_limited_transfer(&self, token_id: &TokenIdentifier<A>) -> bool

pub fn get_esdt_local_roles(
    &self,
    token_id: &TokenIdentifier<A>
) -> EsdtLocalRoleFlags

impl<A> BlockchainWrapper<A>where
    A: BlockchainApi + StorageReadApi + ManagedTypeApi + ErrorApi,

pub fn get_cumulated_validator_rewards(&self) -> BigUint<A>

Retrieves validator rewards, as set by the protocol.

Trait Implementations

impl<A> Default for BlockchainWrapper<A>where
    A: BlockchainApi + ManagedTypeApi + ErrorApi + Default,

fn default() -> BlockchainWrapper<A>

Returns the “default value” for a type.