Struct odra_modules :: erc20 :: Erc20HostRef Copy item path

impl Erc20HostRef

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.

impl Erc20HostRef

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

Initializes the contract with the given metadata and initial supply. Does not fail in case of error, returns odra::OdraResult instead.

pub fn try_transfer( &mut self, recipient: &Address, amount: &U256 ) -> OdraResult<()>

Transfers tokens from the caller to the recipient. Does not fail in case of error, returns odra::OdraResult instead.

pub fn try_transfer_from( &mut self, owner: &Address, recipient: &Address, amount: &U256 ) -> OdraResult<()>

Transfers tokens from the owner to the recipient using the spender’s allowance. Does not fail in case of error, returns odra::OdraResult instead.

pub fn try_approve( &mut self, spender: &Address, amount: &U256 ) -> OdraResult<()>

Approves the spender to spend the given amount of tokens on behalf of the caller. Does not fail in case of error, returns odra::OdraResult instead.

pub fn try_name(&self) -> OdraResult<String>

Returns the name of the token. Does not fail in case of error, returns odra::OdraResult instead.

pub fn try_symbol(&self) -> OdraResult<String>

Returns the symbol of the token. Does not fail in case of error, returns odra::OdraResult instead.

pub fn try_decimals(&self) -> OdraResult<u8>

Returns the number of decimals the token uses. Does not fail in case of error, returns odra::OdraResult instead.

pub fn try_total_supply(&self) -> OdraResult<U256>

Returns the total supply of the token. Does not fail in case of error, returns odra::OdraResult instead.

pub fn try_balance_of(&self, address: &Address) -> OdraResult<U256>

Returns the balance of the given address. Does not fail in case of error, returns odra::OdraResult instead.

pub fn try_allowance( &self, owner: &Address, spender: &Address ) -> OdraResult<U256>

Returns the amount of tokens the owner has allowed the spender to spend. Does not fail in case of error, returns odra::OdraResult instead.

pub fn try_mint(&mut self, address: &Address, amount: &U256) -> OdraResult<()>

Mints new tokens and assigns them to the given address. Does not fail in case of error, returns odra::OdraResult instead.

pub fn try_burn(&mut self, address: &Address, amount: &U256) -> OdraResult<()>

Burns the given amount of tokens from the given address. Does not fail in case of error, returns odra::OdraResult instead.

Trait Implementations§

impl EntryPointsCallerProvider for Erc20HostRef

fn entry_points_caller(env: &HostEnv) -> EntryPointsCaller

Returns an EntryPointsCaller for the given host environment.

impl HasIdent for Erc20HostRef

fn ident() -> String

Returns the contract’s ident.

impl HostRef for Erc20HostRef

fn new(address: Address, env: HostEnv) -> Self

Creates a new host side reference to a contract.

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

Creates a new host reference with attached tokens, based on the current instance. Read more

fn address(&self) -> &Address

Returns the address of the contract.

fn env(&self) -> &HostEnv

Returns the host environment.

fn get_event<T>(&self, index: i32) -> Result<T, EventError>
where T: FromBytes + EventInstance,

Returns the n-th event emitted by the contract. Read more

fn last_call(&self) -> ContractCallResult

Returns a detailed information about the last call of the contract.

Auto Trait Implementations§

impl !UnwindSafe for Erc20HostRef

Blanket Implementations§

impl<T> Any for T
where T: 'static + ?Sized,

fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more

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Immutably borrows from an owned value. Read more

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impl<T> Conv for T

fn conv<T>(self) -> T
where Self: Into<T>,

Converts self into a target type. Read more

impl<R> Deployer for R
where R: HostRef + EntryPointsCallerProvider + HasIdent,

fn deploy<T>(env: &HostEnv, init_args: T) -> R
where T: InitArgs,

Deploys a contract with given init args. Read more

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where Self: Binary,

Causes self to use its Binary implementation when Debug-formatted.

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where Self: Display,

Causes self to use its Display implementation when Debug-formatted.

fn fmt_lower_exp(self) -> FmtLowerExp<Self>
where Self: LowerExp,

Causes self to use its LowerExp implementation when Debug-formatted.

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Causes self to use its LowerHex implementation when Debug-formatted.

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Causes self to use its UpperExp implementation when Debug-formatted.

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where Self: UpperHex,

Causes self to use its UpperHex implementation when Debug-formatted.

impl<T> From<T> for T

fn from(t: T) -> T

Returns the argument unchanged.

impl<T> HostRefLoader for T
where T: EntryPointsCallerProvider + HostRef,

fn load(env: &HostEnv, address: Address) -> T

Loads an existing contract from the host environment.

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Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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Pipes a value into a function that cannot ordinarily be called in suffix position. Read more

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Calls tap in debug builds, and does nothing in release builds.

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Calls tap_mut in debug builds, and does nothing in release builds.

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