Struct pallet_msa::CheckFreeExtrinsicUse
source · pub struct CheckFreeExtrinsicUse<T: Config + Send + Sync>(/* private fields */);Expand description
The SignedExtension trait is implemented on CheckFreeExtrinsicUse to validate that a provider has not already been revoked if the calling extrinsic is revoking a provider to an MSA. The purpose of this is to ensure that the revoke_delegation_by_delegator extrinsic cannot be repeatedly called and flood the network.
Implementations§
source§impl<T: Config + Send + Sync> CheckFreeExtrinsicUse<T>
impl<T: Config + Send + Sync> CheckFreeExtrinsicUse<T>
sourcepub fn validate_delegation_by_delegator(
account_id: &T::AccountId,
provider_msa_id: &MessageSourceId
) -> TransactionValidity
pub fn validate_delegation_by_delegator( account_id: &T::AccountId, provider_msa_id: &MessageSourceId ) -> TransactionValidity
Validates the delegation by making sure that the MSA ids used are valid and the delegation is
is still active. Returns a ValidTransaction or wrapped ValidityError
Arguments:
account_id: the account id of the delegator that is revoking the delegation relationshipprovider_msa_idthe MSA ID of the provider (the “other end” of the delegation).
Errors
ValidityError::InvalidMsaKey- ifaccount_iddoes not have an MSAValidityError::InvalidDelegation- if the delegation withdelegator_msa_idis invalid
sourcepub fn validate_delegation_by_provider(
account_id: &T::AccountId,
delegator_msa_id: &MessageSourceId
) -> TransactionValidity
pub fn validate_delegation_by_provider( account_id: &T::AccountId, delegator_msa_id: &MessageSourceId ) -> TransactionValidity
Validates the delegation by making sure that the MSA ids used are valid and that the delegation
is still active. Returns a ValidTransaction or wrapped ValidityError
Arguments:
account_id: the account id of the provider that is revoking the delegation relationshipdelegator_msa_idthe MSA ID of the delegator (the “other end” of the delegation).
Errors
ValidityError::InvalidMsaKey- ifaccount_iddoes not have an MSAValidityError::InvalidDelegation- if the delegation withdelegator_msa_idis invalid
sourcepub fn validate_key_delete(
signing_public_key: &T::AccountId,
public_key_to_delete: &T::AccountId
) -> TransactionValidity
pub fn validate_key_delete( signing_public_key: &T::AccountId, public_key_to_delete: &T::AccountId ) -> TransactionValidity
Validates that a key being revoked is both valid and owned by a valid MSA account.
Returns a ValidTransaction or wrapped ValidityError::InvalidMsaKey
Arguments:
signing_public_key: the account id calling for revoking the key, and which owns the msa also associated withkeypublic_key_to_delete: the account id to revoke as an access key for account_id’s msa
Errors
ValidityError::InvalidSelfRemoval- ifsigning_public_keyandpublic_key_to_deleteare the same.ValidityError::InvalidMsaKey- ifaccount_iddoes not have an MSA or if ‘public_key_to_delete’ does not have an MSA.ValidityError::NotKeyOwner- if thesigning_public_keyandpublic_key_to_deletedo not belong to the same MSA ID.
sourcepub fn ensure_msa_can_retire(account_id: &T::AccountId) -> TransactionValidity
pub fn ensure_msa_can_retire(account_id: &T::AccountId) -> TransactionValidity
Validates that a MSA being retired exists, does not belong to a registered provider,
that account_id is the only access key associated with the MSA,
and that there are no delegations to providers.
Returns a ValidTransaction or wrapped `ValidityError
Arguments:
- account_id: the account id associated with the MSA to retire
Errors
Trait Implementations§
source§impl<T: Clone + Config + Send + Sync> Clone for CheckFreeExtrinsicUse<T>
impl<T: Clone + Config + Send + Sync> Clone for CheckFreeExtrinsicUse<T>
source§fn clone(&self) -> CheckFreeExtrinsicUse<T>
fn clone(&self) -> CheckFreeExtrinsicUse<T>
Returns a copy of the value. Read more
1.0.0 · source§fn clone_from(&mut self, source: &Self)
fn clone_from(&mut self, source: &Self)
Performs copy-assignment from
source. Read moresource§impl<T: Config + Send + Sync> Decode for CheckFreeExtrinsicUse<T>where
PhantomData<T>: Decode,
impl<T: Config + Send + Sync> Decode for CheckFreeExtrinsicUse<T>where
PhantomData<T>: Decode,
source§fn decode<__CodecInputEdqy: Input>(
__codec_input_edqy: &mut __CodecInputEdqy
) -> Result<Self, Error>
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Attempt to deserialise the value from input.
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fn skip<I>(input: &mut I) -> Result<(), Error>where
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§fn encoded_fixed_size() -> Option<usize>
fn encoded_fixed_size() -> Option<usize>
Returns the fixed encoded size of the type. Read more
source§impl<T: Config + Send + Sync> Encode for CheckFreeExtrinsicUse<T>where
PhantomData<T>: Encode,
impl<T: Config + Send + Sync> Encode for CheckFreeExtrinsicUse<T>where
PhantomData<T>: Encode,
source§fn size_hint(&self) -> usize
fn size_hint(&self) -> usize
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source§fn encode_to<__CodecOutputEdqy: Output + ?Sized>(
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§fn encoded_size(&self) -> usize
fn encoded_size(&self) -> usize
Calculates the encoded size. Read more
source§impl<T: PartialEq + Config + Send + Sync> PartialEq for CheckFreeExtrinsicUse<T>
impl<T: PartialEq + Config + Send + Sync> PartialEq for CheckFreeExtrinsicUse<T>
source§fn eq(&self, other: &CheckFreeExtrinsicUse<T>) -> bool
fn eq(&self, other: &CheckFreeExtrinsicUse<T>) -> bool
This method tests for
self and other values to be equal, and is used
by ==.source§impl<T: Config + Send + Sync> SignedExtension for CheckFreeExtrinsicUse<T>where
T::RuntimeCall: Dispatchable<Info = DispatchInfo> + IsSubType<Call<T>>,
impl<T: Config + Send + Sync> SignedExtension for CheckFreeExtrinsicUse<T>where
T::RuntimeCall: Dispatchable<Info = DispatchInfo> + IsSubType<Call<T>>,
source§fn validate(
&self,
who: &Self::AccountId,
call: &Self::Call,
_info: &DispatchInfoOf<Self::Call>,
_len: usize
) -> TransactionValidity
fn validate( &self, who: &Self::AccountId, call: &Self::Call, _info: &DispatchInfoOf<Self::Call>, _len: usize ) -> TransactionValidity
Frequently called by the transaction queue to validate all free MSA extrinsics:
Returns a ValidTransaction or wrapped ValidityError
- revoke_delegation_by_provider
- revoke_delegation_by_delegator
- delete_msa_public_key
- retire_msa Validate functions for the above MUST prevent errors in the extrinsic logic to prevent spam.
Arguments: who: AccountId calling the extrinsic call: The pallet extrinsic being called unused: _info, _len
§type AdditionalSigned = ()
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 = ()
type Pre = ()
The type that encodes information that can be passed from pre_dispatch to post-dispatch.
source§const IDENTIFIER: &'static str = "CheckFreeExtrinsicUse"
const IDENTIFIER: &'static str = "CheckFreeExtrinsicUse"
Unique identifier of this signed extension. Read more
source§fn additional_signed(&self) -> Result<(), TransactionValidityError>
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.
source§fn pre_dispatch(
self,
who: &Self::AccountId,
call: &Self::Call,
info: &DispatchInfoOf<Self::Call>,
len: usize
) -> Result<Self::Pre, TransactionValidityError>
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. Read more
§fn validate_unsigned(
_call: &Self::Call,
_info: &<Self::Call as Dispatchable>::Info,
_len: usize
) -> Result<ValidTransaction, TransactionValidityError>
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. Read more
§fn pre_dispatch_unsigned(
call: &Self::Call,
info: &<Self::Call as Dispatchable>::Info,
len: usize
) -> Result<(), TransactionValidityError>
fn pre_dispatch_unsigned( call: &Self::Call, info: &<Self::Call as Dispatchable>::Info, len: usize ) -> Result<(), TransactionValidityError>
Do any pre-flight stuff for a unsigned transaction. Read more
source§impl<T> TypeInfo for CheckFreeExtrinsicUse<T>
impl<T> TypeInfo for CheckFreeExtrinsicUse<T>
impl<T: Config + Send + Sync> EncodeLike for CheckFreeExtrinsicUse<T>where
PhantomData<T>: Encode,
impl<T: Eq + Config + Send + Sync> Eq for CheckFreeExtrinsicUse<T>
impl<T: Config + Send + Sync> StructuralEq for CheckFreeExtrinsicUse<T>
impl<T: Config + Send + Sync> StructuralPartialEq for CheckFreeExtrinsicUse<T>
Auto Trait Implementations§
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T: RefUnwindSafe,
impl<T> Send for CheckFreeExtrinsicUse<T>
impl<T> Sync for CheckFreeExtrinsicUse<T>
impl<T> Unpin for CheckFreeExtrinsicUse<T>where
T: Unpin,
impl<T> UnwindSafe for CheckFreeExtrinsicUse<T>where
T: UnwindSafe,
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