Struct odra_modules::erc20::Erc20HostRef

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

impl<T> Borrow<T> for T
where T: ?Sized,

fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more

impl<T> BorrowMut<T> for T
where T: ?Sized,

fn borrow_mut(&mut self) -> &mut T

Mutably borrows from an owned value. Read more

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

impl<T> FmtForward for T

fn fmt_binary(self) -> FmtBinary<Self>
where Self: Binary,

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

fn fmt_display(self) -> FmtDisplay<Self>
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.

fn fmt_lower_hex(self) -> FmtLowerHex<Self>
where Self: LowerHex,

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

fn fmt_octal(self) -> FmtOctal<Self>
where Self: Octal,

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

fn fmt_pointer(self) -> FmtPointer<Self>
where Self: Pointer,

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

fn fmt_upper_exp(self) -> FmtUpperExp<Self>
where Self: UpperExp,

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

fn fmt_upper_hex(self) -> FmtUpperHex<Self>
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.

impl<T, U> Into for T
where U: From<T>,

fn into(self) -> U

Calls U::from(self).

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

impl<T> Pipe for T

fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> R

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

impl<T> PipeAsRef for T

fn pipe_as_ref<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
where Self: AsRef<T>, T: 'a, R: 'a,

Pipes a trait borrow into a function that cannot normally be called in suffix position. Read more

fn pipe_as_mut<'a, T, R>(&'a mut self, func: impl FnOnce(&'a mut T) -> R) -> R
where Self: AsMut<T>, T: 'a, R: 'a,

Pipes a trait mutable borrow into a function that cannot normally be called in suffix position. Read more

impl<T> PipeBorrow for T

fn pipe_borrow<'a, T, R>(&'a self, func: impl FnOnce(&'a T) -> R) -> R
where Self: Borrow<T>, T: 'a, R: 'a,

Pipes a trait borrow into a function that cannot normally be called in suffix position. Read more

fn pipe_borrow_mut<'a, T, R>( &'a mut self, func: impl FnOnce(&'a mut T) -> R ) -> R
where Self: BorrowMut<T>, T: 'a, R: 'a,

Pipes a trait mutable borrow into a function that cannot normally be called in suffix position. Read more

impl<T> PipeDeref for T

fn pipe_deref<'a, R>(&'a self, func: impl FnOnce(&'a Self::Target) -> R) -> R
where Self: Deref, R: 'a,

Pipes a dereference into a function that cannot normally be called in suffix position. Read more

fn pipe_deref_mut<'a, R>( &'a mut self, func: impl FnOnce(&'a mut Self::Target) -> R ) -> R
where Self: DerefMut, R: 'a,

Pipes a mutable dereference into a function that cannot normally be called in suffix position. Read more

impl<T> PipeRef for T

fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> R
where R: 'a,

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

fn pipe_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> R
where R: 'a,

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

impl<T> Same for T

type Output = T

Should always be Self

impl<T> Tap for T

fn tap<F, R>(self, func: F) -> Self
where F: FnOnce(&Self) -> R,

Provides immutable access for inspection. Read more

fn tap_dbg<F, R>(self, func: F) -> Self
where F: FnOnce(&Self) -> R,

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

fn tap_mut<F, R>(self, func: F) -> Self
where F: FnOnce(&mut Self) -> R,

Provides mutable access for modification. Read more

fn tap_mut_dbg<F, R>(self, func: F) -> Self
where F: FnOnce(&mut Self) -> R,

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

impl<T, U> TapAsRef for T
where U: ?Sized,

fn tap_ref<F, R>(self, func: F) -> Self
where Self: AsRef<T>, F: FnOnce(&T) -> R,

Provides immutable access to the reference for inspection.

fn tap_ref_dbg<F, R>(self, func: F) -> Self
where Self: AsRef<T>, F: FnOnce(&T) -> R,

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

fn tap_ref_mut<F, R>(self, func: F) -> Self
where Self: AsMut<T>, F: FnOnce(&mut T) -> R,

Provides mutable access to the reference for modification.

fn tap_ref_mut_dbg<F, R>(self, func: F) -> Self
where Self: AsMut<T>, F: FnOnce(&mut T) -> R,

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

impl<T, U> TapBorrow for T
where U: ?Sized,

fn tap_borrow<F, R>(self, func: F) -> Self
where Self: Borrow<T>, F: FnOnce(&T) -> R,

Provides immutable access to the borrow for inspection. Read more

fn tap_borrow_dbg<F, R>(self, func: F) -> Self
where Self: Borrow<T>, F: FnOnce(&T) -> R,

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

fn tap_borrow_mut<F, R>(self, func: F) -> Self
where Self: BorrowMut<T>, F: FnOnce(&mut T) -> R,

Provides mutable access to the borrow for modification.

fn tap_borrow_mut_dbg<F, R>(self, func: F) -> Self
where Self: BorrowMut<T>, F: FnOnce(&mut T) -> R,

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

impl<T> TapDeref for T

fn tap_deref<F, R>(self, func: F) -> Self
where Self: Deref, F: FnOnce(&Self::Target) -> R,

Immutably dereferences self for inspection.

fn tap_deref_dbg<F, R>(self, func: F) -> Self
where Self: Deref, F: FnOnce(&Self::Target) -> R,

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

fn tap_deref_mut<F, R>(self, func: F) -> Self
where Self: DerefMut, F: FnOnce(&mut Self::Target) -> R,

Mutably dereferences self for modification.

fn tap_deref_mut_dbg<F, R>(self, func: F) -> Self
where Self: DerefMut, F: FnOnce(&mut Self::Target) -> R,

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

impl<T> TryConv for T

fn try_conv<T>(self) -> Result<T, Self::Error>
where Self: TryInto<T>,

Attempts to convert self into a target type. Read more

impl<T, U> TryFrom for T
where U: Into<T>,

type Error = Infallible

The type returned in the event of a conversion error.

fn try_from(value: U) -> Result<T, <T as TryFrom>::Error>

Performs the conversion.

impl<T, U> TryInto for T
where U: TryFrom<T>,

type Error = >::Error

The type returned in the event of a conversion error.

fn try_into(self) -> Result<U, >::Error>

Performs the conversion.

impl<V, T> VZip<V> for T
where V: MultiLane<T>,