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 by delegate. If there is
already an approval in place, then this acts additively.
Approve an amount of asset for transfer by a delegated third-party account.
Origin must be Signed.
Ensures that
ApprovalDepositworth ofCurrencyis reserved from signing account for the purpose of holding the approval. If some non-zero amount of assets is already approved from signing account todelegate, then it is topped up or unreserved to meet the right value.NOTE: The signing account does not need to own
amountof 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
ApprovedTransferon success.Weight:
O(1)