Struct pallet_transaction_payment::ChargeTransactionPayment

pub struct ChargeTransactionPayment<T: Config>(_);

Require the transactor pay for themselves and maybe include a tip to gain additional priority in the queue.

Implementations

impl<T: Config> ChargeTransactionPayment<T> where
    T::Call: Dispatchable<Info = DispatchInfo, PostInfo = PostDispatchInfo>,
    <<T as Config>::OnChargeTransaction as OnChargeTransaction<T>>::Balance: Send + Sync + FixedPointOperand, 

pub fn from(
    fee: <<T as Config>::OnChargeTransaction as OnChargeTransaction<T>>::Balance
) -> Self

utility constructor. Used only in client/factory code.

pub fn tip(
    &self
) -> <<T as Config>::OnChargeTransaction as OnChargeTransaction<T>>::Balance

Returns the tip as being choosen by the transaction sender.

Trait Implementations

impl<T: Clone + Config> Clone for ChargeTransactionPayment<T>

fn clone(&self) -> ChargeTransactionPayment<T>

Returns a copy of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl<T: Config> Debug for ChargeTransactionPayment<T>

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.

impl<T: Config> Decode for ChargeTransactionPayment<T> where
    <<T as Config>::OnChargeTransaction as OnChargeTransaction<T>>::Balance: HasCompact, 

fn decode<__CodecInputEdqy: Input>(
    __codec_input_edqy: &mut __CodecInputEdqy
) -> Result<Self, Error>

Attempt to deserialise the value from input.

fn skip<I>(input: &mut I) -> Result<(), Error> where
    I: Input, 

Attempt to skip the encoded value from input.

fn encoded_fixed_size() -> Option<usize>

Returns the fixed encoded size of the type.

impl<T: Config> Encode for ChargeTransactionPayment<T> where
    <<T as Config>::OnChargeTransaction as OnChargeTransaction<T>>::Balance: HasCompact, 

fn encode_to<__CodecOutputEdqy: Output + ?Sized>(
    &self,
    __codec_dest_edqy: &mut __CodecOutputEdqy
)

Convert self to a slice and append it to the destination.

fn encode(&self) -> Vec<u8>

Convert self to an owned vector.

fn using_encoded<R, F: FnOnce(&[u8]) -> R>(&self, f: F) -> R

Convert self to a slice and then invoke the given closure with it.

fn size_hint(&self) -> usize

If possible give a hint of expected size of the encoding.

fn encoded_size(&self) -> usize

Calculates the encoded size.

impl<T: PartialEq + Config> PartialEq<ChargeTransactionPayment<T>> for ChargeTransactionPayment<T>

fn eq(&self, other: &ChargeTransactionPayment<T>) -> bool

This method tests for self and other values to be equal, and is used by ==.

fn ne(&self, other: &ChargeTransactionPayment<T>) -> bool

This method tests for !=.

impl<T: Config> SignedExtension for ChargeTransactionPayment<T> where
    <<T as Config>::OnChargeTransaction as OnChargeTransaction<T>>::Balance: Send + Sync + From<u64> + FixedPointOperand,
    T::Call: Dispatchable<Info = DispatchInfo, PostInfo = PostDispatchInfo>, 

const IDENTIFIER: &'static str

Unique identifier of this signed extension.

type AccountId = T::AccountId

The type which encodes the sender identity.

type Call = T::Call

The type which encodes the call to be dispatched.

type AdditionalSigned = ()

Any additional data that will go into the signed payload. This may be created dynamically from the transaction using the additional_signed function.

type Pre = (<<T as Config>::OnChargeTransaction as OnChargeTransaction<T>>::Balance, Self::AccountId, <<T as Config>::OnChargeTransaction as OnChargeTransaction<T>>::LiquidityInfo)

The type that encodes information that can be passed from pre_dispatch to post-dispatch.

fn additional_signed(&self) -> Result<(), TransactionValidityError>

Construct any additional data that should be in the signed payload of the transaction. Can also perform any pre-signature-verification checks and return an error if needed.

fn validate(
    &self,
    who: &Self::AccountId,
    call: &Self::Call,
    info: &DispatchInfoOf<Self::Call>,
    len: usize
) -> TransactionValidity

Validate a signed transaction for the transaction queue.

fn pre_dispatch(
    self,
    who: &Self::AccountId,
    call: &Self::Call,
    info: &DispatchInfoOf<Self::Call>,
    len: usize
) -> Result<Self::Pre, TransactionValidityError>

Do any pre-flight stuff for a signed transaction.

fn post_dispatch(
    pre: Self::Pre,
    info: &DispatchInfoOf<Self::Call>,
    post_info: &PostDispatchInfoOf<Self::Call>,
    len: usize,
    _result: &DispatchResult
) -> Result<(), TransactionValidityError>

Do any post-flight stuff for an extrinsic.

fn validate_unsigned(
    _call: &Self::Call,
    _info: &<Self::Call as Dispatchable>::Info,
    _len: usize
) -> Result<ValidTransaction, TransactionValidityError>

Validate an unsigned transaction for the transaction queue.

fn pre_dispatch_unsigned(
    call: &Self::Call,
    info: &<Self::Call as Dispatchable>::Info,
    len: usize
) -> Result<Self::Pre, TransactionValidityError>

Do any pre-flight stuff for a unsigned transaction.

fn identifier() -> Vec<&'static str, Global>

Returns the list of unique identifier for this signed extension.

impl<T: Config> EncodeLike<ChargeTransactionPayment<T>> for ChargeTransactionPayment<T> where
    <<T as Config>::OnChargeTransaction as OnChargeTransaction<T>>::Balance: HasCompact, 

impl<T: Eq + Config> Eq for ChargeTransactionPayment<T>

impl<T: Config> StructuralEq for ChargeTransactionPayment<T>

impl<T: Config> StructuralPartialEq for ChargeTransactionPayment<T>