Trait dharitri_wasm::api::BlockchainApi

pub trait BlockchainApi<BigUint>: Sized
where
    BigUint: BigUintApi + 'static,
{
    // Required methods
    fn get_sc_address(&self) -> Address;
    fn get_owner_address(&self) -> Address;
    fn get_shard_of_address(&self, address: &Address) -> u32;
    fn is_smart_contract(&self, address: &Address) -> bool;
    fn get_caller(&self) -> Address;
    fn get_balance(&self, address: &Address) -> BigUint;
    fn get_tx_hash(&self) -> H256;
    fn get_gas_left(&self) -> u64;
    fn get_block_timestamp(&self) -> u64;
    fn get_block_nonce(&self) -> u64;
    fn get_block_round(&self) -> u64;
    fn get_block_epoch(&self) -> u64;
    fn get_block_random_seed(&self) -> Box<[u8; 48]>;
    fn get_prev_block_timestamp(&self) -> u64;
    fn get_prev_block_nonce(&self) -> u64;
    fn get_prev_block_round(&self) -> u64;
    fn get_prev_block_epoch(&self) -> u64;
    fn get_prev_block_random_seed(&self) -> Box<[u8; 48]>;
    fn get_current_dct_nft_nonce(&self, address: &Address, token: &[u8]) -> u64;
    fn get_dct_balance(
        &self,
        address: &Address,
        token: &[u8],
        nonce: u64
    ) -> BigUint;
    fn get_dct_token_data(
        &self,
        address: &Address,
        token: &[u8],
        nonce: u64
    ) -> DctTokenData<BigUint>;

    // Provided method
    fn get_sc_balance(&self) -> BigUint { ... }
}

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.

Required Methods

fn get_sc_address(&self) -> Address

fn get_owner_address(&self) -> Address

fn get_shard_of_address(&self, address: &Address) -> u32

fn is_smart_contract(&self, address: &Address) -> bool

fn get_caller(&self) -> Address

fn get_balance(&self, address: &Address) -> BigUint

fn get_tx_hash(&self) -> H256

fn get_gas_left(&self) -> u64

fn get_block_timestamp(&self) -> u64

fn get_block_nonce(&self) -> u64

fn get_block_round(&self) -> u64

fn get_block_epoch(&self) -> u64

fn get_block_random_seed(&self) -> Box<[u8; 48]>

fn get_prev_block_timestamp(&self) -> u64

fn get_prev_block_nonce(&self) -> u64

fn get_prev_block_round(&self) -> u64

fn get_prev_block_epoch(&self) -> u64

fn get_prev_block_random_seed(&self) -> Box<[u8; 48]>

fn get_current_dct_nft_nonce(&self, address: &Address, token: &[u8]) -> u64

fn get_dct_balance( &self, address: &Address, token: &[u8], nonce: u64 ) -> BigUint

fn get_dct_token_data( &self, address: &Address, token: &[u8], nonce: u64 ) -> DctTokenData<BigUint>

Provided Methods

fn get_sc_balance(&self) -> BigUint

Object Safety

This trait is not object safe.

Implementors