Struct pallet_mapped_assets::pallet::Pallet
source · pub struct Pallet<T, I = ()>(_);
Expand description
The pallet implementing the on-chain logic.
Implementations§
source§impl<T: Config<I>, I: 'static> Pallet<T, I>
impl<T: Config<I>, I: 'static> Pallet<T, I>
sourcepub fn adjust_extra(
id: T::AssetId,
who: impl Borrow<T::AccountId>
) -> Option<ExtraMutator<T, I>>
pub fn adjust_extra( id: T::AssetId, who: impl Borrow<T::AccountId> ) -> Option<ExtraMutator<T, I>>
Return the extra “sid-car” data for id
/who
, or None
if the account doesn’t exist.
sourcepub fn balance(id: T::AssetId, who: impl Borrow<T::AccountId>) -> T::Balance
pub fn balance(id: T::AssetId, who: impl Borrow<T::AccountId>) -> T::Balance
Get the asset id
balance of who
, or zero if the asset-account doesn’t exist.
sourcepub fn maybe_balance(
id: T::AssetId,
who: impl Borrow<T::AccountId>
) -> Option<T::Balance>
pub fn maybe_balance( id: T::AssetId, who: impl Borrow<T::AccountId> ) -> Option<T::Balance>
Get the asset id
balance of who
if the asset-account exists.
sourcepub fn reserved_balance(
id: T::AssetId,
who: impl Borrow<T::AccountId>
) -> T::Balance
pub fn reserved_balance( id: T::AssetId, who: impl Borrow<T::AccountId> ) -> T::Balance
Get the asset id
reserved balance of who
, or zero if the asset-account doesn’t exist.
sourcepub fn maybe_reserved_balance(
id: T::AssetId,
who: impl Borrow<T::AccountId>
) -> Option<T::Balance>
pub fn maybe_reserved_balance( id: T::AssetId, who: impl Borrow<T::AccountId> ) -> Option<T::Balance>
Get the asset id
reserved balance of who
if the asset-account exists.
sourcepub fn total_supply(id: T::AssetId) -> T::Balance
pub fn total_supply(id: T::AssetId) -> T::Balance
Get the total supply of an asset id
.
sourcepub fn maybe_total_supply(id: T::AssetId) -> Option<T::Balance>
pub fn maybe_total_supply(id: T::AssetId) -> Option<T::Balance>
Get the total supply of an asset id
if the asset exists.
sourcepub fn total_reserved_supply(id: T::AssetId) -> T::Balance
pub fn total_reserved_supply(id: T::AssetId) -> T::Balance
Get the total reserved supply of an asset id
.
sourcepub fn maybe_total_reserved_supply(id: T::AssetId) -> Option<T::Balance>
pub fn maybe_total_reserved_supply(id: T::AssetId) -> Option<T::Balance>
Get the total reversed supply of an asset id
if the asset exists.
pub fn afloat_do_mint( id: T::AssetId, beneficiary: &T::AccountId, amount: T::Balance, maybe_check_issuer: Option<T::AccountId> ) -> DispatchResult
pub fn afloat_do_burn( id: T::AssetId, target: &T::AccountId, amount: T::Balance, maybe_check_admin: Option<T::AccountId>, f: DebitFlags ) -> Result<T::Balance, DispatchError>
pub fn reserved_balance_named( id: &T::ReserveIdentifier, asset_id: &T::AssetId, who: &T::AccountId ) -> T::Balance
pub fn has_named_reserve( id: &T::ReserveIdentifier, asset_id: &T::AssetId, who: &T::AccountId ) -> bool
sourcepub fn reserve_named(
id: &T::ReserveIdentifier,
asset_id: T::AssetId,
who: &T::AccountId,
amount: T::Balance,
maybe_check_admin: Option<T::AccountId>
) -> DispatchResult
pub fn reserve_named( id: &T::ReserveIdentifier, asset_id: T::AssetId, who: &T::AccountId, amount: T::Balance, maybe_check_admin: Option<T::AccountId> ) -> DispatchResult
Move value
from the free balance from who
to a named reserve balance.
Is a no-op if value to be reserved is zero.
pub fn unreserve_named( id: &T::ReserveIdentifier, asset_id: T::AssetId, who: &T::AccountId, maybe_check_admin: Option<T::AccountId> ) -> DispatchResult
pub fn burn_named_reserve( id: &T::ReserveIdentifier, asset_id: T::AssetId, who: &T::AccountId, maybe_check_admin: Option<T::AccountId> ) -> DispatchResult
pub fn transfer_named_reserve( id: &T::ReserveIdentifier, asset_id: T::AssetId, from: &T::AccountId, to: &T::AccountId, maybe_check_admin: Option<T::AccountId> ) -> DispatchResult
pub fn does_asset_exists(asset_id: T::AssetId) -> bool
source§impl<T: Config<I>, I: 'static> Pallet<T, I>
impl<T: Config<I>, I: 'static> Pallet<T, I>
sourcepub fn create(
origin: OriginFor<T>,
id: T::AssetId,
admin: <<T as Config>::Lookup as StaticLookup>::Source,
min_balance: T::Balance
) -> DispatchResult
pub fn create( origin: OriginFor<T>, id: T::AssetId, admin: <<T as Config>::Lookup as StaticLookup>::Source, min_balance: T::Balance ) -> DispatchResult
Issue a new class of fungible assets from a public origin.
This new asset class has no assets initially and its owner is the origin.
The origin must conform to the configured CreateOrigin
and have sufficient funds free.
Funds of sender are reserved by AssetDeposit
.
Parameters:
id
: The identifier of the new asset. This must not be currently in use to identify an existing asset.admin
: The admin of this class of assets. The admin is the initial address of each member of the asset class’s admin team.min_balance
: The minimum balance of this new asset that any single account must have. If an account’s balance is reduced below this, then it collapses to zero.
Emits Created
event when successful.
Weight: O(1)
sourcepub fn force_create(
origin: OriginFor<T>,
id: T::AssetId,
owner: <<T as Config>::Lookup as StaticLookup>::Source,
is_sufficient: bool,
min_balance: T::Balance
) -> DispatchResult
pub fn force_create( origin: OriginFor<T>, id: T::AssetId, owner: <<T as Config>::Lookup as StaticLookup>::Source, is_sufficient: bool, min_balance: T::Balance ) -> DispatchResult
Issue a new class of fungible assets from a privileged origin.
This new asset class has no assets initially.
The origin must conform to ForceOrigin
.
Unlike create
, no funds are reserved.
id
: The identifier of the new asset. This must not be currently in use to identify an existing asset.owner
: The owner of this class of assets. The owner has full superuser permissions over this asset, but may later change and configure the permissions usingtransfer_ownership
andset_team
.min_balance
: The minimum balance of this new asset that any single account must have. If an account’s balance is reduced below this, then it collapses to zero.
Emits ForceCreated
event when successful.
Weight: O(1)
sourcepub fn start_destroy(
origin: OriginFor<T>,
id: T::AssetIdParameter
) -> DispatchResult
pub fn start_destroy( origin: OriginFor<T>, id: T::AssetIdParameter ) -> DispatchResult
Destroy a class of fungible assets.
The origin must conform to ForceOrigin
or must be Signed and the sender must be the
owner of the asset id
.
id
: The identifier of the asset to be destroyed. This must identify an existing asset.
Emits Destroyed
event when successful.
NOTE: It can be helpful to first freeze an asset before destroying it so that you can provide accurate witness information and prevent users from manipulating state in a way that can make it harder to destroy.
Weight: O(c + p + a)
where:
c = (witness.accounts - witness.sufficients)
s = witness.sufficients
a = witness.approvals
Start the process of destroying a fungible asset class.
start_destroy
is the first in a series of extrinsics that should be called, to allow
destruction of an asset class.
The origin must conform to ForceOrigin
or must be Signed
by the asset’s owner
.
id
: The identifier of the asset to be destroyed. This must identify an existing asset.
The asset class must be frozen before calling start_destroy
.
sourcepub fn destroy_accounts(
origin: OriginFor<T>,
id: T::AssetIdParameter
) -> DispatchResultWithPostInfo
pub fn destroy_accounts( origin: OriginFor<T>, id: T::AssetIdParameter ) -> DispatchResultWithPostInfo
Destroy all accounts associated with a given asset.
destroy_accounts
should only be called after start_destroy
has been called, and the
asset is in a Destroying
state.
Due to weight restrictions, this function may need to be called multiple times to fully
destroy all accounts. It will destroy RemoveItemsLimit
accounts at a time.
id
: The identifier of the asset to be destroyed. This must identify an existing asset.
Each call emits the Event::DestroyedAccounts
event.
sourcepub fn destroy_approvals(
origin: OriginFor<T>,
id: T::AssetIdParameter
) -> DispatchResultWithPostInfo
pub fn destroy_approvals( origin: OriginFor<T>, id: T::AssetIdParameter ) -> DispatchResultWithPostInfo
Destroy all approvals associated with a given asset up to the max (T::RemoveItemsLimit).
destroy_approvals
should only be called after start_destroy
has been called, and the
asset is in a Destroying
state.
Due to weight restrictions, this function may need to be called multiple times to fully
destroy all approvals. It will destroy RemoveItemsLimit
approvals at a time.
id
: The identifier of the asset to be destroyed. This must identify an existing asset.
Each call emits the Event::DestroyedApprovals
event.
sourcepub fn finish_destroy(
origin: OriginFor<T>,
id: T::AssetIdParameter
) -> DispatchResult
pub fn finish_destroy( origin: OriginFor<T>, id: T::AssetIdParameter ) -> DispatchResult
Complete destroying asset and unreserve currency.
finish_destroy
should only be called after start_destroy
has been called, and the
asset is in a Destroying
state. All accounts or approvals should be destroyed before
hand.
id
: The identifier of the asset to be destroyed. This must identify an existing asset.
Each successful call emits the Event::Destroyed
event.
sourcepub fn mint(
origin: OriginFor<T>,
id: T::AssetIdParameter,
beneficiary: <<T as Config>::Lookup as StaticLookup>::Source,
amount: T::Balance
) -> DispatchResult
pub fn mint( origin: OriginFor<T>, id: T::AssetIdParameter, beneficiary: <<T as Config>::Lookup as StaticLookup>::Source, amount: T::Balance ) -> DispatchResult
Mint assets of a particular class.
The origin must be Signed and the sender must be the Issuer of the asset id
.
id
: The identifier of the asset to have some amount minted.beneficiary
: The account to be credited with the minted assets.amount
: The amount of the asset to be minted.
Emits Issued
event when successful.
Weight: O(1)
Modes: Pre-existing balance of beneficiary
; Account pre-existence of beneficiary
.
sourcepub fn burn(
origin: OriginFor<T>,
id: T::AssetIdParameter,
who: <<T as Config>::Lookup as StaticLookup>::Source,
amount: T::Balance
) -> DispatchResult
pub fn burn( origin: OriginFor<T>, id: T::AssetIdParameter, who: <<T as Config>::Lookup as StaticLookup>::Source, amount: T::Balance ) -> DispatchResult
Reduce the balance of who
by as much as possible up to amount
assets of id
.
Origin must be Signed and the sender should be the Manager of the asset id
.
Bails with NoAccount
if the who
is already dead.
id
: The identifier of the asset to have some amount burned.who
: The account to be debited from.amount
: The maximum amount by whichwho
’s balance should be reduced.
Emits Burned
with the actual amount burned. If this takes the balance to below the
minimum for the asset, then the amount burned is increased to take it to zero.
Weight: O(1)
Modes: Post-existence of who
; Pre & post Zombie-status of who
.
sourcepub fn transfer(
origin: OriginFor<T>,
id: T::AssetIdParameter,
target: <<T as Config>::Lookup as StaticLookup>::Source,
amount: T::Balance
) -> DispatchResult
pub fn transfer( origin: OriginFor<T>, id: T::AssetIdParameter, target: <<T as Config>::Lookup as StaticLookup>::Source, amount: T::Balance ) -> DispatchResult
Move some assets from the sender account to another.
Origin must be Signed.
id
: The identifier of the asset to have some amount transferred.target
: The account to be credited.amount
: The amount by which the sender’s balance of assets should be reduced andtarget
’s balance increased. The amount actually transferred may be slightly greater in the case that the transfer would otherwise take the sender balance above zero but below the minimum balance. Must be greater than zero.
Emits Transferred
with the actual amount transferred. If this takes the source balance
to below the minimum for the asset, then the amount transferred is increased to take it
to zero.
Weight: O(1)
Modes: Pre-existence of target
; Post-existence of sender; Account pre-existence of
target
.
sourcepub fn transfer_keep_alive(
origin: OriginFor<T>,
id: T::AssetIdParameter,
target: <<T as Config>::Lookup as StaticLookup>::Source,
amount: T::Balance
) -> DispatchResult
pub fn transfer_keep_alive( origin: OriginFor<T>, id: T::AssetIdParameter, target: <<T as Config>::Lookup as StaticLookup>::Source, amount: T::Balance ) -> DispatchResult
Move some assets from the sender account to another, keeping the sender account alive.
Origin must be Signed.
id
: The identifier of the asset to have some amount transferred.target
: The account to be credited.amount
: The amount by which the sender’s balance of assets should be reduced andtarget
’s balance increased. The amount actually transferred may be slightly greater in the case that the transfer would otherwise take the sender balance above zero but below the minimum balance. Must be greater than zero.
Emits Transferred
with the actual amount transferred. If this takes the source balance
to below the minimum for the asset, then the amount transferred is increased to take it
to zero.
Weight: O(1)
Modes: Pre-existence of target
; Post-existence of sender; Account pre-existence of
target
.
sourcepub fn force_transfer(
origin: OriginFor<T>,
id: T::AssetIdParameter,
source: <<T as Config>::Lookup as StaticLookup>::Source,
dest: <<T as Config>::Lookup as StaticLookup>::Source,
amount: T::Balance
) -> DispatchResult
pub fn force_transfer( origin: OriginFor<T>, id: T::AssetIdParameter, source: <<T as Config>::Lookup as StaticLookup>::Source, dest: <<T as Config>::Lookup as StaticLookup>::Source, amount: T::Balance ) -> DispatchResult
Move some assets from one account to another.
Origin must be Signed and the sender should be the Admin of the asset id
.
id
: The identifier of the asset to have some amount transferred.source
: The account to be debited.dest
: The account to be credited.amount
: The amount by which thesource
’s balance of assets should be reduced anddest
’s balance increased. The amount actually transferred may be slightly greater in the case that the transfer would otherwise take thesource
balance above zero but below the minimum balance. Must be greater than zero.
Emits Transferred
with the actual amount transferred. If this takes the source balance
to below the minimum for the asset, then the amount transferred is increased to take it
to zero.
Weight: O(1)
Modes: Pre-existence of dest
; Post-existence of source
; Account pre-existence of
dest
.
sourcepub fn freeze(
origin: OriginFor<T>,
id: T::AssetIdParameter,
who: <<T as Config>::Lookup as StaticLookup>::Source
) -> DispatchResult
pub fn freeze( origin: OriginFor<T>, id: T::AssetIdParameter, who: <<T as Config>::Lookup as StaticLookup>::Source ) -> DispatchResult
Disallow further unprivileged transfers from an account.
Origin must be Signed and the sender should be the Freezer of the asset id
.
id
: The identifier of the asset to be frozen.who
: The account to be frozen.
Emits Frozen
.
Weight: O(1)
sourcepub fn thaw(
origin: OriginFor<T>,
id: T::AssetIdParameter,
who: <<T as Config>::Lookup as StaticLookup>::Source
) -> DispatchResult
pub fn thaw( origin: OriginFor<T>, id: T::AssetIdParameter, who: <<T as Config>::Lookup as StaticLookup>::Source ) -> DispatchResult
Allow unprivileged transfers from an account again.
Origin must be Signed and the sender should be the Admin of the asset id
.
id
: The identifier of the asset to be frozen.who
: The account to be unfrozen.
Emits Thawed
.
Weight: O(1)
sourcepub fn freeze_asset(
origin: OriginFor<T>,
id: T::AssetIdParameter
) -> DispatchResult
pub fn freeze_asset( origin: OriginFor<T>, id: T::AssetIdParameter ) -> DispatchResult
Disallow further unprivileged transfers for the asset class.
Origin must be Signed and the sender should be the Freezer of the asset id
.
id
: The identifier of the asset to be frozen.
Emits Frozen
.
Weight: O(1)
sourcepub fn thaw_asset(
origin: OriginFor<T>,
id: T::AssetIdParameter
) -> DispatchResult
pub fn thaw_asset( origin: OriginFor<T>, id: T::AssetIdParameter ) -> DispatchResult
Allow unprivileged transfers for the asset again.
Origin must be Signed and the sender should be the Admin of the asset id
.
id
: The identifier of the asset to be thawed.
Emits Thawed
.
Weight: O(1)
sourcepub fn transfer_ownership(
origin: OriginFor<T>,
id: T::AssetIdParameter,
owner: <<T as Config>::Lookup as StaticLookup>::Source
) -> DispatchResult
pub fn transfer_ownership( origin: OriginFor<T>, id: T::AssetIdParameter, owner: <<T as Config>::Lookup as StaticLookup>::Source ) -> DispatchResult
Change the Owner of an asset.
Origin must be Signed and the sender should be the Owner of the asset id
.
id
: The identifier of the asset.owner
: The new Owner of this asset.
Emits OwnerChanged
.
Weight: O(1)
sourcepub fn set_team(
origin: OriginFor<T>,
id: T::AssetIdParameter,
issuer: <<T as Config>::Lookup as StaticLookup>::Source,
admin: <<T as Config>::Lookup as StaticLookup>::Source,
freezer: <<T as Config>::Lookup as StaticLookup>::Source
) -> DispatchResult
pub fn set_team( origin: OriginFor<T>, id: T::AssetIdParameter, issuer: <<T as Config>::Lookup as StaticLookup>::Source, admin: <<T as Config>::Lookup as StaticLookup>::Source, freezer: <<T as Config>::Lookup as StaticLookup>::Source ) -> DispatchResult
Change the Issuer, Admin and Freezer of an asset.
Origin must be Signed and the sender should be the Owner of the asset id
.
id
: The identifier of the asset to be frozen.issuer
: The new Issuer of this asset.admin
: The new Admin of this asset.freezer
: The new Freezer of this asset.
Emits TeamChanged
.
Weight: O(1)
sourcepub fn set_metadata(
origin: OriginFor<T>,
id: T::AssetIdParameter,
name: Vec<u8>,
symbol: Vec<u8>,
decimals: u8
) -> DispatchResult
pub fn set_metadata( origin: OriginFor<T>, id: T::AssetIdParameter, name: Vec<u8>, symbol: Vec<u8>, decimals: u8 ) -> DispatchResult
Set the metadata for an asset.
Origin must be Signed and the sender should be the Owner of the asset id
.
Funds of sender are reserved according to the formula:
MetadataDepositBase + MetadataDepositPerByte * (name.len + symbol.len)
taking into
account any already reserved funds.
id
: The identifier of the asset to update.name
: The user friendly name of this asset. Limited in length byStringLimit
.symbol
: The exchange symbol for this asset. Limited in length byStringLimit
.decimals
: The number of decimals this asset uses to represent one unit.
Emits MetadataSet
.
Weight: O(1)
sourcepub fn clear_metadata(
origin: OriginFor<T>,
id: T::AssetIdParameter
) -> DispatchResult
pub fn clear_metadata( origin: OriginFor<T>, id: T::AssetIdParameter ) -> DispatchResult
Clear the metadata for an asset.
Origin must be Signed and the sender should be the Owner of the asset id
.
Any deposit is freed for the asset owner.
id
: The identifier of the asset to clear.
Emits MetadataCleared
.
Weight: O(1)
sourcepub fn force_set_metadata(
origin: OriginFor<T>,
id: T::AssetIdParameter,
name: Vec<u8>,
symbol: Vec<u8>,
decimals: u8,
is_frozen: bool
) -> DispatchResult
pub fn force_set_metadata( origin: OriginFor<T>, id: T::AssetIdParameter, name: Vec<u8>, symbol: Vec<u8>, decimals: u8, is_frozen: bool ) -> DispatchResult
Force the metadata for an asset to some value.
Origin must be ForceOrigin.
Any deposit is left alone.
id
: The identifier of the asset to update.name
: The user friendly name of this asset. Limited in length byStringLimit
.symbol
: The exchange symbol for this asset. Limited in length byStringLimit
.decimals
: The number of decimals this asset uses to represent one unit.
Emits MetadataSet
.
Weight: O(N + S)
where N and S are the length of the name and symbol respectively.
sourcepub fn force_clear_metadata(
origin: OriginFor<T>,
id: T::AssetIdParameter
) -> DispatchResult
pub fn force_clear_metadata( origin: OriginFor<T>, id: T::AssetIdParameter ) -> DispatchResult
Clear the metadata for an asset.
Origin must be ForceOrigin.
Any deposit is returned.
id
: The identifier of the asset to clear.
Emits MetadataCleared
.
Weight: O(1)
sourcepub fn force_asset_status(
origin: OriginFor<T>,
id: T::AssetIdParameter,
owner: <<T as Config>::Lookup as StaticLookup>::Source,
issuer: <<T as Config>::Lookup as StaticLookup>::Source,
admin: <<T as Config>::Lookup as StaticLookup>::Source,
freezer: <<T as Config>::Lookup as StaticLookup>::Source,
min_balance: T::Balance,
is_sufficient: bool,
is_frozen: bool
) -> DispatchResult
pub fn force_asset_status( origin: OriginFor<T>, id: T::AssetIdParameter, owner: <<T as Config>::Lookup as StaticLookup>::Source, issuer: <<T as Config>::Lookup as StaticLookup>::Source, admin: <<T as Config>::Lookup as StaticLookup>::Source, freezer: <<T as Config>::Lookup as StaticLookup>::Source, min_balance: T::Balance, is_sufficient: bool, is_frozen: bool ) -> DispatchResult
Alter the attributes of a given asset.
Origin must be ForceOrigin
.
id
: The identifier of the asset.owner
: The new Owner of this asset.issuer
: The new Issuer of this asset.admin
: The new Admin of this asset.freezer
: The new Freezer of this asset.min_balance
: The minimum balance of this new asset that any single account must have. If an account’s balance is reduced below this, then it collapses to zero.is_sufficient
: Whether a non-zero balance of this asset is deposit of sufficient value to account for the state bloat associated with its balance storage. If set totrue
, then non-zero balances may be stored without aconsumer
reference (and thus an ED in the Balances pallet or whatever else is used to control user-account state growth).is_frozen
: Whether this asset class is frozen except for permissioned/admin instructions.
Emits AssetStatusChanged
with the identity of the asset.
Weight: O(1)
sourcepub fn approve_transfer(
origin: OriginFor<T>,
id: T::AssetIdParameter,
delegate: <<T as Config>::Lookup as StaticLookup>::Source,
amount: T::Balance
) -> DispatchResult
pub fn approve_transfer( origin: OriginFor<T>, id: T::AssetIdParameter, delegate: <<T as Config>::Lookup as StaticLookup>::Source, amount: T::Balance ) -> DispatchResult
Approve an amount of asset for transfer by a delegated third-party account.
Origin must be Signed.
Ensures that ApprovalDeposit
worth of Currency
is reserved from signing account
for the purpose of holding the approval. If some non-zero amount of assets is already
approved from signing account to delegate
, then it is topped up or unreserved to
meet the right value.
NOTE: The signing account does not need to own amount
of assets at the point of
making this call.
id
: The identifier of the asset.delegate
: The account to delegate permission to transfer asset.amount
: The amount of asset that may be transferred bydelegate
. If there is already an approval in place, then this acts additively.
Emits ApprovedTransfer
on success.
Weight: O(1)
sourcepub fn cancel_approval(
origin: OriginFor<T>,
id: T::AssetIdParameter,
delegate: <<T as Config>::Lookup as StaticLookup>::Source
) -> DispatchResult
pub fn cancel_approval( origin: OriginFor<T>, id: T::AssetIdParameter, delegate: <<T as Config>::Lookup as StaticLookup>::Source ) -> DispatchResult
Cancel all of some asset approved for delegated transfer by a third-party account.
Origin must be Signed and there must be an approval in place between signer and
delegate
.
Unreserves any deposit previously reserved by approve_transfer
for the approval.
id
: The identifier of the asset.delegate
: The account delegated permission to transfer asset.
Emits ApprovalCancelled
on success.
Weight: O(1)
sourcepub fn force_cancel_approval(
origin: OriginFor<T>,
id: T::AssetIdParameter,
owner: <<T as Config>::Lookup as StaticLookup>::Source,
delegate: <<T as Config>::Lookup as StaticLookup>::Source
) -> DispatchResult
pub fn force_cancel_approval( origin: OriginFor<T>, id: T::AssetIdParameter, owner: <<T as Config>::Lookup as StaticLookup>::Source, delegate: <<T as Config>::Lookup as StaticLookup>::Source ) -> DispatchResult
Cancel all of some asset approved for delegated transfer by a third-party account.
Origin must be either ForceOrigin or Signed origin with the signer being the Admin
account of the asset id
.
Unreserves any deposit previously reserved by approve_transfer
for the approval.
id
: The identifier of the asset.delegate
: The account delegated permission to transfer asset.
Emits ApprovalCancelled
on success.
Weight: O(1)
sourcepub fn transfer_approved(
origin: OriginFor<T>,
id: T::AssetIdParameter,
owner: <<T as Config>::Lookup as StaticLookup>::Source,
destination: <<T as Config>::Lookup as StaticLookup>::Source,
amount: T::Balance
) -> DispatchResult
pub fn transfer_approved( origin: OriginFor<T>, id: T::AssetIdParameter, owner: <<T as Config>::Lookup as StaticLookup>::Source, destination: <<T as Config>::Lookup as StaticLookup>::Source, amount: T::Balance ) -> DispatchResult
Transfer some asset balance from a previously delegated account to some third-party account.
Origin must be Signed and there must be an approval in place by the owner
to the
signer.
If the entire amount approved for transfer is transferred, then any deposit previously
reserved by approve_transfer
is unreserved.
id
: The identifier of the asset.owner
: The account which previously approved for a transfer of at leastamount
and from which the asset balance will be withdrawn.destination
: The account to which the asset balance ofamount
will be transferred.amount
: The amount of assets to transfer.
Emits TransferredApproved
on success.
Weight: O(1)
sourcepub fn touch(origin: OriginFor<T>, id: T::AssetIdParameter) -> DispatchResult
pub fn touch(origin: OriginFor<T>, id: T::AssetIdParameter) -> DispatchResult
Create an asset account for non-provider assets.
A deposit will be taken from the signer account.
origin
: Must be Signed; the signer account must have sufficient funds for a deposit to be taken.id
: The identifier of the asset for the account to be created.
Emits Touched
event when successful.
sourcepub fn refund(
origin: OriginFor<T>,
id: T::AssetIdParameter,
allow_burn: bool
) -> DispatchResult
pub fn refund( origin: OriginFor<T>, id: T::AssetIdParameter, allow_burn: bool ) -> DispatchResult
Return the deposit (if any) of an asset account.
The origin must be Signed.
id
: The identifier of the asset for the account to be created.allow_burn
: Iftrue
then assets may be destroyed in order to complete the refund.
Emits Refunded
event when successful.
sourcepub fn reserve(
origin: OriginFor<T>,
id: T::ReserveIdentifier,
asset_id: T::AssetId,
who: <<T as Config>::Lookup as StaticLookup>::Source,
amount: T::Balance
) -> DispatchResult
pub fn reserve( origin: OriginFor<T>, id: T::ReserveIdentifier, asset_id: T::AssetId, who: <<T as Config>::Lookup as StaticLookup>::Source, amount: T::Balance ) -> DispatchResult
Reserve some assets on an account for a specific asset.
Origin must be Signed and the sender should be the Admin of the asset id
.
id
: The identifier to be used for the reserveasset_id
: The identifier of the asset.who
: The account on which the assets are to be reserved.amount
: The amount to reservewho
’s free balance is decreased by amount and the reserve balance increased by amount. The reserve balance of the asset with asset_id is increased by amount. A named reserve with id is added to reserves.
Emits Reserved
with the reserved amount.
Weight: O(1)
sourcepub fn unreserve(
origin: OriginFor<T>,
id: T::ReserveIdentifier,
asset_id: T::AssetId,
who: <<T as Config>::Lookup as StaticLookup>::Source
) -> DispatchResult
pub fn unreserve( origin: OriginFor<T>, id: T::ReserveIdentifier, asset_id: T::AssetId, who: <<T as Config>::Lookup as StaticLookup>::Source ) -> DispatchResult
Unreserve assets reserved under id from an account
Origin must be Signed and the sender should be the Admin of the asset id
.
id
: The identifier to be used for the reserveasset_id
: The identifier of the asset.who
: The account on which the assets are to be unreserved.who
’s free balance is increased by amount and the reserve balance decreased by amount. The reserve balance of the asset with asset_id is decreased by amount. The named reserve with id is removed.
Emits Uneserved
with the reserved amount.
Weight: O(1)
sourcepub fn burn_reserve(
origin: OriginFor<T>,
id: T::ReserveIdentifier,
asset_id: T::AssetId,
who: <<T as Config>::Lookup as StaticLookup>::Source
) -> DispatchResult
pub fn burn_reserve( origin: OriginFor<T>, id: T::ReserveIdentifier, asset_id: T::AssetId, who: <<T as Config>::Lookup as StaticLookup>::Source ) -> DispatchResult
Burn assets reserved under id from an account
Origin must be Signed and the sender should be the Admin of the asset id
.
id
: The identifier to be used for the reserveasset_id
: The identifier of the asset.who
: The account on which the reserved assets are to be burned.who
’s reserve balance is decreased by amount. The reserve balance of the asset with asset_id is decreased by amount and the supply is decreased by amount. The named reserve with id is removed.
Emits BurnedReserve
with the reserved amount.
Weight: O(1)
source§impl<T: Config<I>, I: 'static> Pallet<T, I>
impl<T: Config<I>, I: 'static> Pallet<T, I>
sourcepub fn reserves<KArg1, KArg2>(
k1: KArg1,
k2: KArg2
) -> BoundedVec<ReserveData<T::ReserveIdentifier, T::Balance>, T::MaxReserves>where
KArg1: EncodeLike<T::AssetId>,
KArg2: EncodeLike<T::AccountId>,
pub fn reserves<KArg1, KArg2>( k1: KArg1, k2: KArg2 ) -> BoundedVec<ReserveData<T::ReserveIdentifier, T::Balance>, T::MaxReserves>where KArg1: EncodeLike<T::AssetId>, KArg2: EncodeLike<T::AccountId>,
Named reserves on account balances for a specific asset.
Trait Implementations§
source§impl<T: Config<I>, I: 'static> Destroy<<T as Config>::AccountId> for Pallet<T, I>
impl<T: Config<I>, I: 'static> Destroy<<T as Config>::AccountId> for Pallet<T, I>
source§fn start_destroy(
id: T::AssetId,
maybe_check_owner: Option<T::AccountId>
) -> DispatchResult
fn start_destroy( id: T::AssetId, maybe_check_owner: Option<T::AccountId> ) -> DispatchResult
source§fn destroy_accounts(
id: T::AssetId,
max_items: u32
) -> Result<u32, DispatchError>
fn destroy_accounts( id: T::AssetId, max_items: u32 ) -> Result<u32, DispatchError>
destroy_accounts
should only be called after start_destroy
has been called, and the
asset is in a Destroying
state Read moresource§fn destroy_approvals(
id: T::AssetId,
max_items: u32
) -> Result<u32, DispatchError>
fn destroy_approvals( id: T::AssetId, max_items: u32 ) -> Result<u32, DispatchError>
max_items
destroy_approvals
should only be called after start_destroy
has been called, and the
asset is in a Destroying
state Read moresource§fn finish_destroy(id: T::AssetId) -> DispatchResult
fn finish_destroy(id: T::AssetId) -> DispatchResult
finish_destroy
should only be called after start_destroy
has been called, and the
asset is in a Destroying
state. All accounts or approvals should be destroyed before
hand. Read moresource§impl<T: Config<I>, I: 'static> GetStorageVersion for Pallet<T, I>
impl<T: Config<I>, I: 'static> GetStorageVersion for Pallet<T, I>
source§fn current_storage_version() -> StorageVersion
fn current_storage_version() -> StorageVersion
source§fn on_chain_storage_version() -> StorageVersion
fn on_chain_storage_version() -> StorageVersion
source§impl<T: Config<I>, I: 'static> Hooks<<T as Config>::BlockNumber> for Pallet<T, I>
impl<T: Config<I>, I: 'static> Hooks<<T as Config>::BlockNumber> for Pallet<T, I>
§fn on_finalize(_n: BlockNumber)
fn on_finalize(_n: BlockNumber)
§fn on_idle(_n: BlockNumber, _remaining_weight: Weight) -> Weight
fn on_idle(_n: BlockNumber, _remaining_weight: Weight) -> Weight
on_finalize
).
Implement to have something happen using the remaining weight.
Will not fire if the remaining weight is 0.
Return the weight used, the hook will subtract it from current weight used
and pass the result to the next on_idle
hook if it exists.§fn on_initialize(_n: BlockNumber) -> Weight
fn on_initialize(_n: BlockNumber) -> Weight
§fn on_runtime_upgrade() -> Weight
fn on_runtime_upgrade() -> Weight
§fn offchain_worker(_n: BlockNumber)
fn offchain_worker(_n: BlockNumber)
§fn integrity_test()
fn integrity_test()
source§impl<T: Config<I>, I: 'static> Inspect<<T as Config>::AccountId> for Pallet<T, I>
impl<T: Config<I>, I: 'static> Inspect<<T as Config>::AccountId> for Pallet<T, I>
source§fn total_issuance(asset: Self::AssetId) -> Self::Balance
fn total_issuance(asset: Self::AssetId) -> Self::Balance
source§fn minimum_balance(asset: Self::AssetId) -> Self::Balance
fn minimum_balance(asset: Self::AssetId) -> Self::Balance
source§fn balance(
asset: Self::AssetId,
who: &<T as SystemConfig>::AccountId
) -> Self::Balance
fn balance( asset: Self::AssetId, who: &<T as SystemConfig>::AccountId ) -> Self::Balance
asset
balance of who
.source§fn reducible_balance(
asset: Self::AssetId,
who: &<T as SystemConfig>::AccountId,
keep_alive: bool
) -> Self::Balance
fn reducible_balance( asset: Self::AssetId, who: &<T as SystemConfig>::AccountId, keep_alive: bool ) -> Self::Balance
asset
that who
can withdraw/transfer successfully.source§fn can_deposit(
asset: Self::AssetId,
who: &<T as SystemConfig>::AccountId,
amount: Self::Balance,
mint: bool
) -> DepositConsequence
fn can_deposit( asset: Self::AssetId, who: &<T as SystemConfig>::AccountId, amount: Self::Balance, mint: bool ) -> DepositConsequence
source§fn can_withdraw(
asset: Self::AssetId,
who: &<T as SystemConfig>::AccountId,
amount: Self::Balance
) -> WithdrawConsequence<Self::Balance>
fn can_withdraw( asset: Self::AssetId, who: &<T as SystemConfig>::AccountId, amount: Self::Balance ) -> WithdrawConsequence<Self::Balance>
Failed
if the asset
balance of who
may not be decreased by amount
, otherwise
the consequence.source§fn asset_exists(asset: Self::AssetId) -> bool
fn asset_exists(asset: Self::AssetId) -> bool
true
if an asset
exists.§fn active_issuance(asset: Self::AssetId) -> Self::Balance
fn active_issuance(asset: Self::AssetId) -> Self::Balance
source§impl<T: Config<I>, I: 'static> Inspect<<T as Config>::AccountId> for Pallet<T, I>
impl<T: Config<I>, I: 'static> Inspect<<T as Config>::AccountId> for Pallet<T, I>
fn owner(asset: T::AssetId) -> Option<<T as SystemConfig>::AccountId>
fn issuer(asset: T::AssetId) -> Option<<T as SystemConfig>::AccountId>
fn admin(asset: T::AssetId) -> Option<<T as SystemConfig>::AccountId>
fn freezer(asset: T::AssetId) -> Option<<T as SystemConfig>::AccountId>
source§impl<T: Config<I>, I: 'static> IntegrityTest for Pallet<T, I>
impl<T: Config<I>, I: 'static> IntegrityTest for Pallet<T, I>
source§fn integrity_test()
fn integrity_test()
source§impl<T: Config<I>, I: 'static> Mutate<<T as Config>::AccountId> for Pallet<T, I>
impl<T: Config<I>, I: 'static> Mutate<<T as Config>::AccountId> for Pallet<T, I>
fn approve( asset: T::AssetId, owner: &<T as SystemConfig>::AccountId, delegate: &<T as SystemConfig>::AccountId, amount: T::Balance ) -> DispatchResult
fn transfer_from( asset: T::AssetId, owner: &<T as SystemConfig>::AccountId, delegate: &<T as SystemConfig>::AccountId, dest: &<T as SystemConfig>::AccountId, amount: T::Balance ) -> DispatchResult
source§impl<T: Config<I>, I: 'static> Mutate<<T as Config>::AccountId> for Pallet<T, I>
impl<T: Config<I>, I: 'static> Mutate<<T as Config>::AccountId> for Pallet<T, I>
source§fn mint_into(
asset: Self::AssetId,
who: &<T as SystemConfig>::AccountId,
amount: Self::Balance
) -> DispatchResult
fn mint_into( asset: Self::AssetId, who: &<T as SystemConfig>::AccountId, amount: Self::Balance ) -> DispatchResult
source§fn burn_from(
asset: Self::AssetId,
who: &<T as SystemConfig>::AccountId,
amount: Self::Balance
) -> Result<Self::Balance, DispatchError>
fn burn_from( asset: Self::AssetId, who: &<T as SystemConfig>::AccountId, amount: Self::Balance ) -> Result<Self::Balance, DispatchError>
source§fn slash(
asset: Self::AssetId,
who: &<T as SystemConfig>::AccountId,
amount: Self::Balance
) -> Result<Self::Balance, DispatchError>
fn slash( asset: Self::AssetId, who: &<T as SystemConfig>::AccountId, amount: Self::Balance ) -> Result<Self::Balance, DispatchError>
asset
balance of who
by as much as possible up to amount
, and
possibly slightly more due to minimum_balance requirements. If no decrease is possible then
an Err
is returned and nothing is changed. If successful, the amount of tokens reduced is
returned. Read more§fn teleport(
asset: Self::AssetId,
source: &AccountId,
dest: &AccountId,
amount: Self::Balance
) -> Result<Self::Balance, DispatchError>
fn teleport( asset: Self::AssetId, source: &AccountId, dest: &AccountId, amount: Self::Balance ) -> Result<Self::Balance, DispatchError>
mint_into
and burn_from
and may generate unwanted events.source§impl<T: Config<I>, I: 'static> OffchainWorker<<T as Config>::BlockNumber> for Pallet<T, I>
impl<T: Config<I>, I: 'static> OffchainWorker<<T as Config>::BlockNumber> for Pallet<T, I>
source§fn offchain_worker(n: <T as Config>::BlockNumber)
fn offchain_worker(n: <T as Config>::BlockNumber)
source§impl<T: Config<I>, I: 'static> OnFinalize<<T as Config>::BlockNumber> for Pallet<T, I>
impl<T: Config<I>, I: 'static> OnFinalize<<T as Config>::BlockNumber> for Pallet<T, I>
source§fn on_finalize(n: <T as Config>::BlockNumber)
fn on_finalize(n: <T as Config>::BlockNumber)
source§impl<T: Config<I>, I: 'static> OnGenesis for Pallet<T, I>
impl<T: Config<I>, I: 'static> OnGenesis for Pallet<T, I>
source§fn on_genesis()
fn on_genesis()
source§impl<T: Config<I>, I: 'static> OnIdle<<T as Config>::BlockNumber> for Pallet<T, I>
impl<T: Config<I>, I: 'static> OnIdle<<T as Config>::BlockNumber> for Pallet<T, I>
source§fn on_idle(n: <T as Config>::BlockNumber, remaining_weight: Weight) -> Weight
fn on_idle(n: <T as Config>::BlockNumber, remaining_weight: Weight) -> Weight
remaining_weight
to make sure it is high enough to allow for
your pallet’s extra computation. Read moresource§impl<T: Config<I>, I: 'static> OnInitialize<<T as Config>::BlockNumber> for Pallet<T, I>
impl<T: Config<I>, I: 'static> OnInitialize<<T as Config>::BlockNumber> for Pallet<T, I>
source§fn on_initialize(n: <T as Config>::BlockNumber) -> Weight
fn on_initialize(n: <T as Config>::BlockNumber) -> Weight
source§impl<T: Config<I>, I: 'static> OnRuntimeUpgrade for Pallet<T, I>
impl<T: Config<I>, I: 'static> OnRuntimeUpgrade for Pallet<T, I>
source§fn on_runtime_upgrade() -> Weight
fn on_runtime_upgrade() -> Weight
source§impl<T: Config<I>, I: 'static> PalletInfoAccess for Pallet<T, I>
impl<T: Config<I>, I: 'static> PalletInfoAccess for Pallet<T, I>
source§fn module_name() -> &'static str
fn module_name() -> &'static str
source§fn crate_version() -> CrateVersion
fn crate_version() -> CrateVersion
source§impl<T, I> PartialEq<Pallet<T, I>> for Pallet<T, I>
impl<T, I> PartialEq<Pallet<T, I>> for Pallet<T, I>
source§impl<T: Config<I>, I: 'static> StorageInfoTrait for Pallet<T, I>
impl<T: Config<I>, I: 'static> StorageInfoTrait for Pallet<T, I>
fn storage_info() -> Vec<StorageInfo>
source§impl<T: Config<I>, I: 'static> StoredMap<(<T as Config<I>>::AssetId, <T as Config>::AccountId), <T as Config<I>>::Extra> for Pallet<T, I>
impl<T: Config<I>, I: 'static> StoredMap<(<T as Config<I>>::AssetId, <T as Config>::AccountId), <T as Config<I>>::Extra> for Pallet<T, I>
source§fn get(id_who: &(T::AssetId, T::AccountId)) -> T::Extra
fn get(id_who: &(T::AssetId, T::AccountId)) -> T::Extra
source§fn try_mutate_exists<R, E: From<DispatchError>>(
id_who: &(T::AssetId, T::AccountId),
f: impl FnOnce(&mut Option<T::Extra>) -> Result<R, E>
) -> Result<R, E>
fn try_mutate_exists<R, E: From<DispatchError>>( id_who: &(T::AssetId, T::AccountId), f: impl FnOnce(&mut Option<T::Extra>) -> Result<R, E> ) -> Result<R, E>
Ok
value is returned from f
. Do nothing if an Err
is
returned. It is removed or reset to default value if it has been mutated to None
.
f
will always be called with an option representing if the storage item exists (Some<V>
)
or if the storage item does not exist (None
), independent of the QueryType
.source§impl<T: Config<I>, I: 'static> Transfer<<T as Config>::AccountId> for Pallet<T, I>
impl<T: Config<I>, I: 'static> Transfer<<T as Config>::AccountId> for Pallet<T, I>
source§fn transfer(
asset: Self::AssetId,
source: &T::AccountId,
dest: &T::AccountId,
amount: T::Balance,
keep_alive: bool
) -> Result<T::Balance, DispatchError>
fn transfer( asset: Self::AssetId, source: &T::AccountId, dest: &T::AccountId, amount: T::Balance, keep_alive: bool ) -> Result<T::Balance, DispatchError>
§fn deactivate(_: Self::AssetId, _: Self::Balance)
fn deactivate(_: Self::AssetId, _: Self::Balance)
§fn reactivate(_: Self::AssetId, _: Self::Balance)
fn reactivate(_: Self::AssetId, _: Self::Balance)
source§impl<T: Config<I>, I: 'static> Unbalanced<<T as Config>::AccountId> for Pallet<T, I>
impl<T: Config<I>, I: 'static> Unbalanced<<T as Config>::AccountId> for Pallet<T, I>
source§fn set_balance(
_: Self::AssetId,
_: &T::AccountId,
_: Self::Balance
) -> DispatchResult
fn set_balance( _: Self::AssetId, _: &T::AccountId, _: Self::Balance ) -> DispatchResult
asset
balance of who
to amount
. If this cannot be done for some reason (e.g.
because the account cannot be created or an overflow) then an Err
is returned.source§fn set_total_issuance(id: T::AssetId, amount: Self::Balance)
fn set_total_issuance(id: T::AssetId, amount: Self::Balance)
asset
to amount
.source§fn decrease_balance(
asset: T::AssetId,
who: &T::AccountId,
amount: Self::Balance
) -> Result<Self::Balance, DispatchError>
fn decrease_balance( asset: T::AssetId, who: &T::AccountId, amount: Self::Balance ) -> Result<Self::Balance, DispatchError>
asset
balance of who
by amount
. If it cannot be reduced by that amount for
some reason, return Err
and don’t reduce it at all. If Ok, return the imbalance. Read moresource§fn decrease_balance_at_most(
asset: T::AssetId,
who: &T::AccountId,
amount: Self::Balance
) -> Self::Balance
fn decrease_balance_at_most( asset: T::AssetId, who: &T::AccountId, amount: Self::Balance ) -> Self::Balance
source§fn increase_balance(
asset: T::AssetId,
who: &T::AccountId,
amount: Self::Balance
) -> Result<Self::Balance, DispatchError>
fn increase_balance( asset: T::AssetId, who: &T::AccountId, amount: Self::Balance ) -> Result<Self::Balance, DispatchError>
asset
balance of who
by amount
. If it cannot be increased by that amount
for some reason, return Err
and don’t increase it at all. If Ok, return the imbalance. Read moresource§fn increase_balance_at_most(
asset: T::AssetId,
who: &T::AccountId,
amount: Self::Balance
) -> Self::Balance
fn increase_balance_at_most( asset: T::AssetId, who: &T::AccountId, amount: Self::Balance ) -> Self::Balance
source§impl<T: Config<I>, I: 'static> WhitelistedStorageKeys for Pallet<T, I>
impl<T: Config<I>, I: 'static> WhitelistedStorageKeys for Pallet<T, I>
source§fn whitelisted_storage_keys() -> Vec<TrackedStorageKey>
fn whitelisted_storage_keys() -> Vec<TrackedStorageKey>
Vec<TrackedStorageKey>
indicating the storage keys that
should be whitelisted during benchmarking. This means that those keys
will be excluded from the benchmarking performance calculation.impl<T, I> Eq for Pallet<T, I>
Auto Trait Implementations§
impl<T, I> RefUnwindSafe for Pallet<T, I>where I: RefUnwindSafe, T: RefUnwindSafe,
impl<T, I> Send for Pallet<T, I>where I: Send, T: Send,
impl<T, I> Sync for Pallet<T, I>where I: Sync, T: Sync,
impl<T, I> Unpin for Pallet<T, I>where I: Unpin, T: Unpin,
impl<T, I> UnwindSafe for Pallet<T, I>where I: UnwindSafe, T: UnwindSafe,
Blanket Implementations§
§impl<AccountId, U> Balanced<AccountId> for Uwhere
U: Unbalanced<AccountId>,
impl<AccountId, U> Balanced<AccountId> for Uwhere U: Unbalanced<AccountId>,
§type OnDropCredit = DecreaseIssuance<AccountId, U>
type OnDropCredit = DecreaseIssuance<AccountId, U>
Credit
is dropped without being
used.§type OnDropDebt = IncreaseIssuance<AccountId, U>
type OnDropDebt = IncreaseIssuance<AccountId, U>
Debt
is dropped without being used.§fn rescind(
asset: <U as Inspect<AccountId>>::AssetId,
amount: <U as Inspect<AccountId>>::Balance
) -> Imbalance<<U as Inspect<AccountId>>::AssetId, <U as Inspect<AccountId>>::Balance, IncreaseIssuance<AccountId, U>, DecreaseIssuance<AccountId, U>>
fn rescind( asset: <U as Inspect<AccountId>>::AssetId, amount: <U as Inspect<AccountId>>::Balance ) -> Imbalance<<U as Inspect<AccountId>>::AssetId, <U as Inspect<AccountId>>::Balance, IncreaseIssuance<AccountId, U>, DecreaseIssuance<AccountId, U>>
amount
and return the according imbalance. The imbalance will
typically be used to reduce an account by the same amount with e.g. settle
. Read more§fn issue(
asset: <U as Inspect<AccountId>>::AssetId,
amount: <U as Inspect<AccountId>>::Balance
) -> Imbalance<<U as Inspect<AccountId>>::AssetId, <U as Inspect<AccountId>>::Balance, DecreaseIssuance<AccountId, U>, IncreaseIssuance<AccountId, U>>
fn issue( asset: <U as Inspect<AccountId>>::AssetId, amount: <U as Inspect<AccountId>>::Balance ) -> Imbalance<<U as Inspect<AccountId>>::AssetId, <U as Inspect<AccountId>>::Balance, DecreaseIssuance<AccountId, U>, IncreaseIssuance<AccountId, U>>
amount
and return the according imbalance. The imbalance
will typically be used to increase an account by the same amount with e.g.
resolve_into_existing
or resolve_creating
. Read more§fn slash(
asset: <U as Inspect<AccountId>>::AssetId,
who: &AccountId,
amount: <U as Inspect<AccountId>>::Balance
) -> (Imbalance<<U as Inspect<AccountId>>::AssetId, <U as Inspect<AccountId>>::Balance, DecreaseIssuance<AccountId, U>, IncreaseIssuance<AccountId, U>>, <U as Inspect<AccountId>>::Balance)
fn slash( asset: <U as Inspect<AccountId>>::AssetId, who: &AccountId, amount: <U as Inspect<AccountId>>::Balance ) -> (Imbalance<<U as Inspect<AccountId>>::AssetId, <U as Inspect<AccountId>>::Balance, DecreaseIssuance<AccountId, U>, IncreaseIssuance<AccountId, U>>, <U as Inspect<AccountId>>::Balance)
value
from the combined balance of who
, preferring to deduct from the
free balance. This function cannot fail. Read more§fn deposit(
asset: <U as Inspect<AccountId>>::AssetId,
who: &AccountId,
amount: <U as Inspect<AccountId>>::Balance
) -> Result<Imbalance<<U as Inspect<AccountId>>::AssetId, <U as Inspect<AccountId>>::Balance, IncreaseIssuance<AccountId, U>, DecreaseIssuance<AccountId, U>>, DispatchError>
fn deposit( asset: <U as Inspect<AccountId>>::AssetId, who: &AccountId, amount: <U as Inspect<AccountId>>::Balance ) -> Result<Imbalance<<U as Inspect<AccountId>>::AssetId, <U as Inspect<AccountId>>::Balance, IncreaseIssuance<AccountId, U>, DecreaseIssuance<AccountId, U>>, DispatchError>
§fn withdraw(
asset: <U as Inspect<AccountId>>::AssetId,
who: &AccountId,
amount: <U as Inspect<AccountId>>::Balance
) -> Result<Imbalance<<U as Inspect<AccountId>>::AssetId, <U as Inspect<AccountId>>::Balance, DecreaseIssuance<AccountId, U>, IncreaseIssuance<AccountId, U>>, DispatchError>
fn withdraw( asset: <U as Inspect<AccountId>>::AssetId, who: &AccountId, amount: <U as Inspect<AccountId>>::Balance ) -> Result<Imbalance<<U as Inspect<AccountId>>::AssetId, <U as Inspect<AccountId>>::Balance, DecreaseIssuance<AccountId, U>, IncreaseIssuance<AccountId, U>>, DispatchError>
§fn pair(
asset: Self::AssetId,
amount: Self::Balance
) -> (Imbalance<Self::AssetId, Self::Balance, Self::OnDropDebt, Self::OnDropCredit>, Imbalance<Self::AssetId, Self::Balance, Self::OnDropCredit, Self::OnDropDebt>)
fn pair( asset: Self::AssetId, amount: Self::Balance ) -> (Imbalance<Self::AssetId, Self::Balance, Self::OnDropDebt, Self::OnDropCredit>, Imbalance<Self::AssetId, Self::Balance, Self::OnDropCredit, Self::OnDropDebt>)
§fn resolve(
who: &AccountId,
credit: Imbalance<Self::AssetId, Self::Balance, Self::OnDropCredit, Self::OnDropDebt>
) -> Result<(), Imbalance<Self::AssetId, Self::Balance, Self::OnDropCredit, Self::OnDropDebt>>
fn resolve( who: &AccountId, credit: Imbalance<Self::AssetId, Self::Balance, Self::OnDropCredit, Self::OnDropDebt> ) -> Result<(), Imbalance<Self::AssetId, Self::Balance, Self::OnDropCredit, Self::OnDropDebt>>
who
is increased in order to counter credit
. If the whole of credit
cannot be countered, then nothing is changed and the original credit
is returned in an
Err
. Read more§fn settle(
who: &AccountId,
debt: Imbalance<Self::AssetId, Self::Balance, Self::OnDropDebt, Self::OnDropCredit>
) -> Result<Imbalance<Self::AssetId, Self::Balance, Self::OnDropCredit, Self::OnDropDebt>, Imbalance<Self::AssetId, Self::Balance, Self::OnDropDebt, Self::OnDropCredit>>
fn settle( who: &AccountId, debt: Imbalance<Self::AssetId, Self::Balance, Self::OnDropDebt, Self::OnDropCredit> ) -> Result<Imbalance<Self::AssetId, Self::Balance, Self::OnDropCredit, Self::OnDropDebt>, Imbalance<Self::AssetId, Self::Balance, Self::OnDropDebt, Self::OnDropCredit>>
who
is decreased in order to counter debt
. If the whole of debt
cannot be countered, then nothing is changed and the original debt
is returned in an
Err
.source§impl<T> BorrowMut<T> for Twhere
T: ?Sized,
impl<T> BorrowMut<T> for Twhere T: ?Sized,
source§fn borrow_mut(&mut self) -> &mut T
fn borrow_mut(&mut self) -> &mut T
§impl<T> CheckedConversion for T
impl<T> CheckedConversion for T
§fn checked_from<T>(t: T) -> Option<Self>where
Self: TryFrom<T>,
fn checked_from<T>(t: T) -> Option<Self>where Self: TryFrom<T>,
§fn checked_into<T>(self) -> Option<T>where
Self: TryInto<T>,
fn checked_into<T>(self) -> Option<T>where Self: TryInto<T>,
§impl<T> Conv for T
impl<T> Conv for T
§impl<T> Downcast for Twhere
T: Any,
impl<T> Downcast for Twhere T: Any,
§fn into_any(self: Box<T, Global>) -> Box<dyn Any, Global>
fn into_any(self: Box<T, Global>) -> Box<dyn Any, Global>
Box<dyn Trait>
(where Trait: Downcast
) to Box<dyn Any>
. Box<dyn Any>
can
then be further downcast
into Box<ConcreteType>
where ConcreteType
implements Trait
.§fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
fn into_any_rc(self: Rc<T>) -> Rc<dyn Any>
Rc<Trait>
(where Trait: Downcast
) to Rc<Any>
. Rc<Any>
can then be
further downcast
into Rc<ConcreteType>
where ConcreteType
implements Trait
.§fn as_any(&self) -> &(dyn Any + 'static)
fn as_any(&self) -> &(dyn Any + 'static)
&Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &Any
’s vtable from &Trait
’s.§fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
fn as_any_mut(&mut self) -> &mut (dyn Any + 'static)
&mut Trait
(where Trait: Downcast
) to &Any
. This is needed since Rust cannot
generate &mut Any
’s vtable from &mut Trait
’s.source§impl<Q, K> Equivalent<K> for Qwhere
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,
source§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
key
and return true
if they are equal.§impl<Q, K> Equivalent<K> for Qwhere
Q: Eq + ?Sized,
K: Borrow<Q> + ?Sized,
impl<Q, K> Equivalent<K> for Qwhere Q: Eq + ?Sized, K: Borrow<Q> + ?Sized,
§fn equivalent(&self, key: &K) -> bool
fn equivalent(&self, key: &K) -> bool
§impl<T> FmtForward for T
impl<T> FmtForward for T
§fn fmt_binary(self) -> FmtBinary<Self>where
Self: Binary,
fn fmt_binary(self) -> FmtBinary<Self>where Self: Binary,
self
to use its Binary
implementation when Debug
-formatted.§fn fmt_display(self) -> FmtDisplay<Self>where
Self: Display,
fn fmt_display(self) -> FmtDisplay<Self>where Self: Display,
self
to use its Display
implementation when
Debug
-formatted.§fn fmt_lower_exp(self) -> FmtLowerExp<Self>where
Self: LowerExp,
fn fmt_lower_exp(self) -> FmtLowerExp<Self>where Self: LowerExp,
self
to use its LowerExp
implementation when
Debug
-formatted.§fn fmt_lower_hex(self) -> FmtLowerHex<Self>where
Self: LowerHex,
fn fmt_lower_hex(self) -> FmtLowerHex<Self>where Self: LowerHex,
self
to use its LowerHex
implementation when
Debug
-formatted.§fn fmt_octal(self) -> FmtOctal<Self>where
Self: Octal,
fn fmt_octal(self) -> FmtOctal<Self>where Self: Octal,
self
to use its Octal
implementation when Debug
-formatted.§fn fmt_pointer(self) -> FmtPointer<Self>where
Self: Pointer,
fn fmt_pointer(self) -> FmtPointer<Self>where Self: Pointer,
self
to use its Pointer
implementation when
Debug
-formatted.§fn fmt_upper_exp(self) -> FmtUpperExp<Self>where
Self: UpperExp,
fn fmt_upper_exp(self) -> FmtUpperExp<Self>where Self: UpperExp,
self
to use its UpperExp
implementation when
Debug
-formatted.§fn fmt_upper_hex(self) -> FmtUpperHex<Self>where
Self: UpperHex,
fn fmt_upper_hex(self) -> FmtUpperHex<Self>where Self: UpperHex,
self
to use its UpperHex
implementation when
Debug
-formatted.§fn fmt_list(self) -> FmtList<Self>where
&'a Self: for<'a> IntoIterator,
fn fmt_list(self) -> FmtList<Self>where &'a Self: for<'a> IntoIterator,
source§impl<T> Instrument for T
impl<T> Instrument for T
source§fn instrument(self, span: Span) -> Instrumented<Self>
fn instrument(self, span: Span) -> Instrumented<Self>
source§fn in_current_span(self) -> Instrumented<Self>
fn in_current_span(self) -> Instrumented<Self>
§impl<T> IsType<T> for T
impl<T> IsType<T> for T
§impl<T> PalletVersionToStorageVersionHelper for Twhere
T: GetStorageVersion + PalletInfoAccess,
impl<T> PalletVersionToStorageVersionHelper for Twhere T: GetStorageVersion + PalletInfoAccess,
§impl<T> Pipe for Twhere
T: ?Sized,
impl<T> Pipe for Twhere T: ?Sized,
§fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere
Self: Sized,
fn pipe<R>(self, func: impl FnOnce(Self) -> R) -> Rwhere Self: Sized,
§fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere
R: 'a,
fn pipe_ref<'a, R>(&'a self, func: impl FnOnce(&'a Self) -> R) -> Rwhere R: 'a,
self
and passes that borrow into the pipe function. Read more§fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere
R: 'a,
fn pipe_ref_mut<'a, R>(&'a mut self, func: impl FnOnce(&'a mut Self) -> R) -> Rwhere R: 'a,
self
and passes that borrow into the pipe function. Read more§fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> Rwhere
Self: Borrow<B>,
B: 'a + ?Sized,
R: 'a,
fn pipe_borrow<'a, B, R>(&'a self, func: impl FnOnce(&'a B) -> R) -> Rwhere Self: Borrow<B>, B: 'a + ?Sized, R: 'a,
§fn pipe_borrow_mut<'a, B, R>(
&'a mut self,
func: impl FnOnce(&'a mut B) -> R
) -> Rwhere
Self: BorrowMut<B>,
B: 'a + ?Sized,
R: 'a,
fn pipe_borrow_mut<'a, B, R>( &'a mut self, func: impl FnOnce(&'a mut B) -> R ) -> Rwhere Self: BorrowMut<B>, B: 'a + ?Sized, R: 'a,
§fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> Rwhere
Self: AsRef<U>,
U: 'a + ?Sized,
R: 'a,
fn pipe_as_ref<'a, U, R>(&'a self, func: impl FnOnce(&'a U) -> R) -> Rwhere Self: AsRef<U>, U: 'a + ?Sized, R: 'a,
self
, then passes self.as_ref()
into the pipe function.§fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> Rwhere
Self: AsMut<U>,
U: 'a + ?Sized,
R: 'a,
fn pipe_as_mut<'a, U, R>(&'a mut self, func: impl FnOnce(&'a mut U) -> R) -> Rwhere Self: AsMut<U>, U: 'a + ?Sized, R: 'a,
self
, then passes self.as_mut()
into the pipe
function.§impl<T> Pointable for T
impl<T> Pointable for T
§impl<T> SaturatedConversion for T
impl<T> SaturatedConversion for T
§fn saturated_from<T>(t: T) -> Selfwhere
Self: UniqueSaturatedFrom<T>,
fn saturated_from<T>(t: T) -> Selfwhere Self: UniqueSaturatedFrom<T>,
§fn saturated_into<T>(self) -> Twhere
Self: UniqueSaturatedInto<T>,
fn saturated_into<T>(self) -> Twhere Self: UniqueSaturatedInto<T>,
T
. Read more§impl<T> Tap for T
impl<T> Tap for T
§fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow<B>,
B: ?Sized,
fn tap_borrow<B>(self, func: impl FnOnce(&B)) -> Selfwhere Self: Borrow<B>, B: ?Sized,
Borrow<B>
of a value. Read more§fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere
Self: BorrowMut<B>,
B: ?Sized,
fn tap_borrow_mut<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere Self: BorrowMut<B>, B: ?Sized,
BorrowMut<B>
of a value. Read more§fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Selfwhere
Self: AsRef<R>,
R: ?Sized,
fn tap_ref<R>(self, func: impl FnOnce(&R)) -> Selfwhere Self: AsRef<R>, R: ?Sized,
AsRef<R>
view of a value. Read more§fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
Self: AsMut<R>,
R: ?Sized,
fn tap_ref_mut<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere Self: AsMut<R>, R: ?Sized,
AsMut<R>
view of a value. Read more§fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Selfwhere
Self: Deref<Target = T>,
T: ?Sized,
fn tap_deref<T>(self, func: impl FnOnce(&T)) -> Selfwhere Self: Deref<Target = T>, T: ?Sized,
Deref::Target
of a value. Read more§fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere
Self: DerefMut<Target = T> + Deref,
T: ?Sized,
fn tap_deref_mut<T>(self, func: impl FnOnce(&mut T)) -> Selfwhere Self: DerefMut<Target = T> + Deref, T: ?Sized,
Deref::Target
of a value. Read more§fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
fn tap_dbg(self, func: impl FnOnce(&Self)) -> Self
.tap()
only in debug builds, and is erased in release builds.§fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
fn tap_mut_dbg(self, func: impl FnOnce(&mut Self)) -> Self
.tap_mut()
only in debug builds, and is erased in release
builds.§fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Selfwhere
Self: Borrow<B>,
B: ?Sized,
fn tap_borrow_dbg<B>(self, func: impl FnOnce(&B)) -> Selfwhere Self: Borrow<B>, B: ?Sized,
.tap_borrow()
only in debug builds, and is erased in release
builds.§fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere
Self: BorrowMut<B>,
B: ?Sized,
fn tap_borrow_mut_dbg<B>(self, func: impl FnOnce(&mut B)) -> Selfwhere Self: BorrowMut<B>, B: ?Sized,
.tap_borrow_mut()
only in debug builds, and is erased in release
builds.§fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Selfwhere
Self: AsRef<R>,
R: ?Sized,
fn tap_ref_dbg<R>(self, func: impl FnOnce(&R)) -> Selfwhere Self: AsRef<R>, R: ?Sized,
.tap_ref()
only in debug builds, and is erased in release
builds.§fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere
Self: AsMut<R>,
R: ?Sized,
fn tap_ref_mut_dbg<R>(self, func: impl FnOnce(&mut R)) -> Selfwhere Self: AsMut<R>, R: ?Sized,
.tap_ref_mut()
only in debug builds, and is erased in release
builds.§impl<T> TryConv for T
impl<T> TryConv for T
§impl<S, T> UncheckedInto<T> for Swhere
T: UncheckedFrom<S>,
impl<S, T> UncheckedInto<T> for Swhere T: UncheckedFrom<S>,
§fn unchecked_into(self) -> T
fn unchecked_into(self) -> T
unchecked_from
.§impl<T, S> UniqueSaturatedInto<T> for Swhere
T: Bounded,
S: TryInto<T>,
impl<T, S> UniqueSaturatedInto<T> for Swhere T: Bounded, S: TryInto<T>,
§fn unique_saturated_into(self) -> T
fn unique_saturated_into(self) -> T
T
.