Struct Cep18ContractRef 

pub struct Cep18ContractRef { /* private fields */ }

Cep18 Contract Ref.

Implementations

impl Cep18ContractRef

pub fn init( &mut self, symbol: String, name: String, decimals: u8, initial_supply: U256, )

Initializes the contract with the given metadata, initial supply.

pub fn name(&self) -> String

Returns the name of the token.

pub fn symbol(&self) -> String

Returns the symbol of the token.

pub fn decimals(&self) -> u8

Returns the number of decimals the token uses.

pub fn total_supply(&self) -> U256

Returns the total supply of the token.

pub fn balance_of(&self, address: &Address) -> U256

Returns the balance of the given address.

pub fn allowance(&self, owner: &Address, spender: &Address) -> U256

Returns the amount of tokens the owner has allowed the spender to spend.

pub fn approve(&mut self, spender: &Address, amount: &U256)

Approves the spender to spend the given amount of tokens on behalf of the caller.

pub fn decrease_allowance(&mut self, spender: &Address, decr_by: &U256)

Decreases the allowance of the spender by the given amount.

pub fn increase_allowance(&mut self, spender: &Address, inc_by: &U256)

Increases the allowance of the spender by the given amount.

pub fn transfer(&mut self, recipient: &Address, amount: &U256)

Transfers tokens from the caller to the recipient.

pub fn transfer_from( &mut self, owner: &Address, recipient: &Address, amount: &U256, )

Transfers tokens from the owner to the recipient using the spender’s allowance.

Trait Implementations

impl ContractRef for Cep18ContractRef

fn new(env: Rc<ContractEnv>, address: Address) -> Self

Creates a new instance of the Contract Ref.

fn address(&self) -> &Address

Returns the address of the contract.

fn with_tokens(&self, tokens: U512) -> Self

Creates a new contract reference with attached tokens, based on the current instance.

impl SchemaErrors for Cep18ContractRef

fn schema_errors() -> Vec<UserError>

Returns a vector of UserErrors.

impl SchemaEvents for Cep18ContractRef

fn schema_events() -> Vec<Event>

Returns a vector of Events.

fn custom_types() -> Vec<Option<CustomType>>

Returns a vector of CustomTypes.