Struct Erc20

pub struct Erc20 { /* private fields */ }

ERC20 token module

Implementations

impl Erc20

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

Initializes the contract with the given metadata and initial supply.

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.

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 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 mint(&mut self, address: &Address, amount: &U256)

Mints new tokens and assigns them to the given address.

pub fn burn(&mut self, address: &Address, amount: &U256)

Burns the given amount of tokens from the given address.

Trait Implementations

impl HasEntrypoints for Erc20

fn entrypoints() -> Vec<Entrypoint>

Returns the list of contract’s entrypoints.

impl HasEvents for Erc20

fn events() -> Vec<Event>

Returns a list of Events used by the contract.

fn event_schemas() -> BTreeMap<String, Schema>

Returns a map of event schemas used by the contract.

impl HasIdent for Erc20

fn ident() -> String

Returns the contract’s ident.

impl Module for Erc20

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

Creates a new instance of the module with the given contract environment.

fn env(&self) -> Rc<ContractEnv>

Returns the contract environment associated with the module.

impl OdraContract for Erc20

type HostRef = Erc20HostRef

The host reference type.

type ContractRef = Erc20ContractRef

The contract reference type.

type InitArgs = Erc20InitArgs

The init args type.

impl SchemaCustomTypes for Erc20

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

Returns a vector of optional CustomTypes.

impl SchemaEntrypoints for Erc20

fn schema_entrypoints() -> Vec<Entrypoint>

Returns a vector of Entrypoints.

impl SchemaErrors for Erc20

fn schema_errors() -> Vec<UserError>

Returns a vector of UserErrors.

impl SchemaEvents for Erc20

fn schema_events() -> Vec<Event>

Returns a vector of Events.

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

Returns a vector of CustomTypes.