Type Alias cancel_approval

Cancel one of the transfer approvals for a specific item.

Origin must be either:

• the Force origin;
• Signed with the signer being the Owner of the item;

Arguments:

• collection: The collection of the item of whose approval will be cancelled.
• item: The item of the collection of whose approval will be cancelled.
• delegate: The account that is going to loose their approval.

Emits ApprovalCancelled on success.

Weight: O(1)